start working on mixins

start working on internal stuff
initialize earlier
2026-05-20 00:30:20 +00:00 · 2021-06-05 00:49:38 -07:00 · 2021-06-02 15:21:03 -07:00 · 2021-06-02 10:39:36 -07:00 · 2021-06-02 10:26:55 -07:00 · 2021-06-02 09:45:11 -07:00
909 changed files with 38057 additions and 9285 deletions
@@ -6,7 +6,7 @@ end_of_line = lf
 indent_size = 4
 indent_style = space
 insert_final_newline = false
-max_line_length = 120
+max_line_length = 140
 tab_width = 4
 ij_continuation_indent_size = 8
 ij_formatter_off_tag = @formatter:off
@@ -342,6 +342,6 @@ ij_json_wrap_long_lines = false
 indent_size = 2
 ij_yaml_keep_indents_on_empty_lines = true
 ij_yaml_keep_line_breaks = true
-ij_yaml_space_before_colon = true
+ij_yaml_space_before_colon = false
 ij_yaml_spaces_within_braces = true
 ij_yaml_spaces_within_brackets = true
@@ -0,0 +1,19 @@
+# Global owners, automatically request review when pull request is submitted
+*                   @dfsek @solonovamax
+
+# Platforms
+## dfsek wrote the majority of the platform impls
+/platforms/bukkit/  @dfsek
+/platforms/fabric/  @dfsek
+/platforms/forge/   @dfsek
+/platforms/sponge/  @dfsek
+## solonovamax is working on the region generator (unless duplexsystem takes it over)
+/platforms/region/  @solonovamax
+
+# Common
+/common/            @dfsek @solonovamax
+
+# Gradle Stuff
+## Most gradle stuff was written by solonovamax
+/buildSrc/           @solonovamax
+*.gradle.kts        @solonovamax
@@ -0,0 +1,105 @@
+---
+name: "Bug Report"
+about: "Open a bug report to help us identify issues with Terra."
+title: "[Bug] <Put your title here>"
+labels: "Type: Bug, Status: Pending"
+assignees: ""
+
+---
+
+<!--
+##############################################################################
+## WARNING!                                                                 ##
+## IGNORING THE FOLLOWING TEMPLATE WILL RESULT IN YOUR ISSUE BEING CLOSED   ##
+##############################################################################
+-->
+
+## Pre-Issue Checklist
+
+<!--
+  Please go through this checklist item by item and make sure you have successfully completed each of these steps.
+    - You must be on the LATEST version of Terra to receive any support. There is no support for older versions of Terra.
+    - Make sure that this is not a *specific* compatibility issue with another terrain generation mod.
+        Do not request *specific* compatibility with mods or plugins (e.g. "Compatibility with TechCraft v7").
+        That should be implemented in an addon, **not** in the main project.
+        *General* compatibility (e.g. "Ability to pull Vanilla/Modded features from parent biomes") will be considered in the main project.
+    - Make sure that there are no already existing issues open with your problem. If you open a duplicate, it will be closed as such.
+    - Make sure that it is actually Terra causing the issue, and not another mod/plugin.
+        You can do this by testing to see if you can recreate the issue without Terra installed.
+    - Make sure that this is not an issue with a specific Terra *pack* or Terra *addon*, and instead applies to all of Terra.
+    - Make sure that you attach a copy of the latest.log file.
+        Putting *just* the exception IS NOT ENOUGH. We need to be able to check that there wasn't anything else before that caused it.
+    - Make sure that you have filled out all the required information and given descriptions of everything.
+    
+    You must put an x in all the boxes you have completed. (Like this: [x])
+    
+    To make sure that your issue is rendered properly, you may check the "Preview" tab (below the title) to see a rendered version of it before you submit it.
+-->
+
+- [ ] I have checked that I am on the latest version of Terra.
+- [ ] I have searched the github issue tracker for similar issues, including closed ones.
+- [ ] I have made sure that this is not a bug with another mod or plugin, and it is Terra that is causing the issue.
+- [ ] I have checked that this is an issue with Terra and not an issue with the pack I am using.
+  <!-- If this is an issue with the default Terra pack, please open an issue on the pack repo: https://github.com/PolyhedralDev/TerraDefaultConfig/issues/new -->
+- [ ] I have attached a copy of the `latest.log` file
+- [ ] I have filled out and provided all the appropriate information.
+
+## Environment
+
+<!-- You can fill out the different items by putting the correct value beside each cell. -->
+
+| Name                         | Value |
+|------------------------------|-------|
+| Terra Version                | <!-- Put your Terra version here. (remove the comment) -->
+| Platform / Platform Version  | <!-- Put your platform and platform version here. (remove the comment) (eg. Spigot, Fabric, Paper, etc.) (If you are using the Region generator, put that here instead) -->
+| Any External Plugins or Mods | <!-- Put a list of all the plugins or mods you have installed here. (remove the comment) (Make sure to NOT include any new lines) -->
+| Terra Packs In Use           | <!-- Put a list of all the Terra packs you have installed here. (remove the comment) (Make sure to NOT include any new lines) (/te packs may be used to get a list) -->
+| Terra Addons In Use          | <!-- Put a list of all the Terra addons you have installed here. (remove the comment) (Make sure to NOT include any new lines) (/te addons may be used to get a list) -->
+
+## Issue Description
+
+<!--
+    Put a quick description of the issue here.
+    Example: 'When generating terrain, something causes the chunks to not load properly', etc.
+-->
+
+### Steps to reproduce
+
+<!--
+    Describe what you were doing when this happened.
+    Make sure to include ALL information. Including anything you were doing before that may have caused it.
+-->
+
+1. <!-- Put step #1 here. -->
+2. <!-- Put step #2 here. -->
+3. <!-- etc.              -->
+
+### Expected behavior
+
+<!-- Describe what you think *should* happen here: -->
+
+### Actual behavior
+
+<!-- Describe what *actually* happens here: -->
+<!-- example: When I do _______, it actually does _______ -->
+
+### Full stacktrace
+
+<details>
+<summary>Exception Stacktrace</summary>
+
+<!--
+If Terra logs an exception, please put it in the following section: (You will find any error logs in your console, or your latest.log)
+Note: this *must* be included, in ADDITION to the latest.log file.
+-->
+
+```
+
+```
+
+</details>
+
+### Additional details
+
+<!-- Any other information you think should be added -->
+
@@ -0,0 +1,70 @@
+---
+name: "Feature Request"
+about: "Give us suggestions of features we could add to Terra."
+title: "[Feature] <Put your title here>"
+labels: "Type: Enhancement, Status: Pending"
+assignees: ""
+
+---
+
+<!--
+########################################################################################
+## WARNING!                                                                           ##
+## IGNORING THE FOLLOWING TEMPLATE WILL RESULT IN YOUR FEATURE REQUEST BEING CLOSED   ##
+########################################################################################
+-->
+
+### Pre-Request Checklist
+
+<!--
+  Please go through this checklist item by item and make sure you have successfully completed each of these steps.
+    - You must be on the LATEST version of Terra to make sure your feature hasn't been added yet.
+    - Make sure that there are no already existing feature requests similar to yours. (Including closed!) If you open a duplicate, it will be closed as such.
+    - Make sure that this is actually in the scope of Terra.
+    - Make sure that this is not a feature request that should be made for a specific Terra *pack*, and instead applies to all of Terra.
+    - Make sure that you attach a copy of the latest.log file, if there are any exceptions thrown in the console.
+      Putting *just* the exception IS NOT ENOUGH. We need to be able to check that there wasn't anything else before that caused it.
+    
+    You must put an x in all the boxes you have completed. (Like this: [x])
+    
+    To make sure that your issue is rendered properly, you may check the "Preview" tab (below the title) to see a rendered version of it before you submit it.
+-->
+
+- [ ] I have checked that I am on the latest version of Terra.
+- [ ] I have searched github for similar features requests, including closed ones, and found none.
+- [ ] I believe this is within the scope of Terra.
+- [ ] This feature request is for *all* of Terra, and isn't something that should be implemented by a pack or addon.
+
+## Feature Description
+
+<!--
+    Quickly describe the basics of your feature request.
+    Example: 'More noise presets should be added to Terra.'
+-->
+
+### What Problem Does This Solve?
+
+<!--
+    Describe here what the issue is that you have.
+    Examples: 'When I do _______, it annoys me that _______ does _______.' or 'There is not enough customization in _______ to do _______.'
+    NOTE: This should NOT be used for a bug report. If this is unintentional, then please submit a bug report instead.
+-->
+
+### A Solution You'd Like
+
+<!-- Provide a clear and accurate description of how you would like this to be solved. -->
+
+### Alternative Solutions
+
+<!-- Provide a description of alternatives you have considered to this. -->
+
+1. <!-- Alternative #1. -->
+2. <!-- Alternative #2. -->
+3. <!-- Alternative #3. -->
+
+### Additonal Context
+
+<!--
+    Is there any additional context you would like to add?
+    If not, you may remove this section.
+-->
@@ -0,0 +1,11 @@
+---
+name: "Other Issue"
+about: "Use this template if your issue doesn't accurately fit into any of the other categories."
+title: ""
+labels: "Type: Question, Status: Pending"
+assignees: ""
+
+---
+
+## Describe the issue
+<!-- Please describe the issue as clearly and as concisely as possible, without missing any details. -->
@@ -0,0 +1,11 @@
+blank_issues_enabled: false
+contact_links:
+  - name:  Which Issue Template do I Choose?
+    url:   https://github.com/PolyhedralDev/Terra/wiki/How-To-Choose-An-Issue-Template
+    about: Click this if you don't know which issue template to select. This will help you make sure you choose the right one and provide enough information for us to help you.
+  - name:  Terra Wiki
+    url:   https://github.com/PolyhedralDev/Terra/wiki
+    about: Documentation for all things Terra.
+  - name:  Join the Support Discord
+    url:   https://discord.dfsek.com
+    about: If you have a basic support question, join the Discord instead.
@@ -0,0 +1,114 @@
+# Pull Request
+
+## Brief description.
+
+<!-- Please provide a brief description of the goals of your PR -->
+
+<!--
+###########################################################################
+## WARNING!                                                              ##
+## IGNORING THE FOLLOWING TEMPLATE WILL RESULT IN YOUR PR BEING CLOSED   ##
+###########################################################################
+-->
+<!--
+  Please go through this checklist item by item and make sure you have successfully completed each of these steps.
+    - Your pull request MUST be either on the latest version of Terra, or on a branch for a future release.
+    - Make sure that there are no already existing PRs that fix this. If so, it will be closed as a duplicate.
+    - Make sure that this change is actually within the scope of Terra and is something a terrain generator should be doing.
+    - Make sure that this is not an issue with a specific Terra *pack*, and instead applies to all of Terra.
+    - Make sure that you have filled out all the required information and given descriptions of everything.
+-->
+<!-- You can erase any parts of this template not applicable to your Pull Request. -->
+
+### What Issues Does This Fix?
+
+<!--
+    Put Fix #XXXX or Closes #XXXX here if there are any open issues that this PR fixes.
+    This is to automatically close the relevant issues.
+    You may remove this if there is no issue for this PR.
+    But unless this is a very small change, you should make an issue for it.
+-->
+
+## Licensing
+
+<!-- In order to be accepted, your changes must be under the GPLv3 license. Please check one of the following: -->
+
+- [ ] I am the original author of this code, and I am willing to release it under [GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html).
+- [ ] I am not the original author of this code, but it is in public domain or released
+  under [GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html) or a compatible license.
+    <!--
+      Please provide reliable evidence of this.
+      NOTE: for compatible licenses, you must make sure to add the included license somewhere in the program, if so required.
+      (And even if it's not required, it's still nice to do it. Also add attribution somewhere.)
+    -->
+
+## Goal of the PR
+
+<!--
+    What is the goal of the PR?
+    Put a checklist here of what has been done
+    (and what *hasn't*, but you plan to do),
+    so we can easily know what was changed.
+    Note: this is only required for PRs that add new features.
+    If your PR is not adding new features, only fixing bugs or adding translations, then you may delete this section.
+-->
+
+- [ ] <!-- First thing -->
+    - [ ] <!-- A requirement of the first thing. -->
+    - [ ] <!-- A second requirement of the first thing. -->
+- [ ] <!-- Second thing -->
+- [ ] <!-- etc. -->
+
+## Affects of the PR
+
+<!---
+    What types of changes does your code introduce? (Select any that apply. You may select multiple.)
+    You must put an x in all the boxes that it applies to. (Like this: [x])
+-->
+
+#### Types of changes
+
+- [ ] Bug Fix <!-- Anything which fixes an issue in Terra. -->
+- [ ] Build system <!-- Anything which pretain to the build system. -->
+- [ ] Documentation <!-- Anything which adds or improves documentation for existing features. -->
+- [ ] New Feature <!-- Anything which adds new functionality to Terra. -->
+- [ ] Performance <!-- Anything which is imrpoves the performance of Terra. -->
+- [ ] Refactoring <!-- Anything which does not add any new code, only moves code around. -->
+- [ ] Repository <!-- Anything which affects the repository. Eg. changes to the `README.md` file. -->
+- [ ] Revert <!-- Anything which reverts previous commits. -->
+- [ ] Style <!-- Anything which updates style. -->
+- [ ] Tests <!-- Anything which adds or updates tests. -->
+- [ ] Translation <!-- Anything which is internationalizing the Terra program to other languages. -->
+
+#### Compatiblity
+
+- [ ] Breaking change <!-- A fix, or a feature, that breaks some previous functionality to Terra. -->
+- [ ] Non-Breaking change.
+    <!--
+        A change which does not break *any* previous functionality of Terra.
+        (ie. is backwards compatible and will work with *any* previously existing supported features.
+        Note: if a feature is annotated with @Incubating, @Preview, @Experimental,
+        or is in a package called something similar to the previous annotations,
+        then you may push breaking changes to only THOSE parts of Terra.)
+    -->
+
+#### Contribution Guidelines.
+
+- [ ] I have read the [`CONTRIBUTING.md`](https://github.com/PolyhedralDev/Terra/blob/master/CONTRIBUTING.md) document in the root of the
+  git repository.
+- [ ] My code follows the code style for this
+  project. <!-- There is an included `.editorconfig` file in the base of the repo. Please use a plugin for your IDE of choice that follows those settings. -->
+
+#### Documentation
+
+- [ ] My change requires a change to the documentation.
+- [ ] I have updated the documentation accordingly.
+
+#### Testing
+
+- [ ] I have added tests to cover my changes.
+- [ ] All new and existing tests passed.
+    <!--
+        If it only introduces small changes, you don't need to add tests.
+        But if you add big changes, you should probably at least write *some* testing, where applicable.
+    -->
@@ -0,0 +1,40 @@
+# This workflow will build a Java project with Gradle
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
+
+name: Java CI with Gradle
+
+on:
+  push:
+    tags:
+      - "v*" # Push events to matching v*, i.e. v1.0, v20.15.10
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - uses: actions/checkout@v2
+      
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      
+      - name: Build Terra
+        run:  gradle shadowJar
+      
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: Package
+          path: build/libs
+      
+      - name: Publish release
+        uses: marvinpinto/action-automatic-releases@latest
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          prerelease: false
+          files:      |
+                      build/libs/Terra-*.jar
+                      LICENSE
+                      
@@ -52,6 +52,7 @@ gradle-app.setting

 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+*.hprof

 ### JetBrains template
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
@@ -84,14 +85,14 @@ hs_err_pid*
 # When using Gradle or Maven with auto-import, you should exclude module files,
 # since they will be recreated, and may cause churn.  Uncomment if using
 # auto-import.
- .idea/artifacts
- .idea/compiler.xml
- .idea/jarRepositories.xml
- .idea/modules.xml
- .idea/*.iml
- .idea/modules
- *.iml
- *.ipr
+.idea/artifacts
+.idea/compiler.xml
+.idea/jarRepositories.xml
+.idea/modules.xml
+.idea/**.iml
+.idea/modules
+*.iml
+*.ipr

 # CMake
 cmake-build-*/
@@ -136,4 +137,7 @@ build
 .idea/modules/**.iml

 !lib/*.jar
-.idea/Terra.iml
+/run/
+idea/**
+
+testDir/
@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
-# Editor-based HTTP Client requests
-/httpRequests/
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="1.8" />
-  </component>
-</project>
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="DiscordProjectSettings">
-    <option name="show" value="PROJECT_FILES" />
-  </component>
-</project>
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="/usr/share/java/gradle" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-          </set>
-        </option>
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>
@@ -1,23 +0,0 @@
-<component name="InspectionProjectProfileManager">
-  <profile version="1.0">
-    <option name="myName" value="Project Default" />
-    <inspection_tool class="DuplicatedCode" enabled="true" level="WEAK WARNING" enabled_by_default="true">
-      <Languages>
-        <language minSize="54" name="Java" />
-      </Languages>
-    </inspection_tool>
-    <inspection_tool class="NonSerializableObjectPassedToObjectStream" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="SerialVersionUIDNotStaticFinal" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="SerializableHasSerialVersionUIDField" enabled="true" level="WARNING" enabled_by_default="true">
-      <option name="ignoreAnonymousInnerClasses" value="false" />
-      <option name="superClassString" value="java.awt.Component" />
-    </inspection_tool>
-    <inspection_tool class="SerializableInnerClassHasSerialVersionUIDField" enabled="true" level="WARNING" enabled_by_default="true">
-      <option name="ignoreAnonymousInnerClasses" value="false" />
-      <option name="superClassString" value="java.awt.Component" />
-    </inspection_tool>
-    <inspection_tool class="SerializableStoresNonSerializable" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="TransientFieldInNonSerializableClass" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="TransientFieldNotInitialized" enabled="true" level="WARNING" enabled_by_default="true" />
-  </profile>
-</component>
@@ -1,85 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="BintrayJCenter" />
-      <option name="name" value="BintrayJCenter" />
-      <option name="url" value="https://jcenter.bintray.com/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Central Repository" />
-      <option name="url" value="https://repo.maven.apache.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="papermc" />
-      <option name="name" value="papermc" />
-      <option name="url" value="https://papermc.io/repo/repository/maven-public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="parsii.local" />
-      <option name="name" value="parsii" />
-      <option name="url" value="file:$PROJECT_DIR$/../parsii/repo" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="local" />
-      <option name="name" value="local" />
-      <option name="url" value="file:lib" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="aikar" />
-      <option name="name" value="aikar" />
-      <option name="url" value="https://repo.aikar.co/content/groups/aikar/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="enginehub-maven" />
-      <option name="name" value="enginehub-maven" />
-      <option name="url" value="http://maven.enginehub.org/repo/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="spigotmc-repo" />
-      <option name="name" value="spigotmc-repo" />
-      <option name="url" value="https://hub.spigotmc.org/nexus/content/repositories/snapshots/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="enginehub" />
-      <option name="name" value="enginehub" />
-      <option name="url" value="https://maven.enginehub.org/repo/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="minecraft-repo" />
-      <option name="name" value="minecraft-repo" />
-      <option name="url" value="https://libraries.minecraft.net/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="gaea.local" />
-      <option name="name" value="gaea" />
-      <option name="url" value="file:$PROJECT_DIR$/../Gaea/repo" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="gaea.local" />
-      <option name="name" value="gaea-local" />
-      <option name="url" value="file:$PROJECT_DIR$/../Gaea/repo" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="CodeMC" />
-      <option name="name" value="CodeMC" />
-      <option name="url" value="https://repo.codemc.org/repository/maven-public" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="MavenLocal" />
-      <option name="name" value="MavenLocal" />
-      <option name="url" value="file:$MAVEN_REPOSITORY$/" />
-    </remote-repository>
-  </component>
-</project>
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="EntryPointsManager">
-    <entry_points version="2.0">
-      <entry_point TYPE="field" FQNAME="com.dfsek.terra.util.StructureTypeEnum NETHER_FORTRESS" />
-    </entry_points>
-    <list size="1">
-      <item index="0" class="java.lang.String" itemvalue="org.bukkit.event.EventHandler" />
-    </list>
-  </component>
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="FrameworkDetectionExcludesConfiguration">
-    <file type="web" url="file://$PROJECT_DIR$" />
-  </component>
-  <component name="MavenProjectsManager">
-    <option name="originalFiles">
-      <list>
-        <option value="$PROJECT_DIR$/pom.xml" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
@@ -1,124 +0,0 @@
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+# Terra Community Code of Conduct
+
+# TL;DR
+
+Polyhedral Development is dedicated to providing a harassment-free experience for everyone, regardless of gender, gender identity and
+expression, preferred pronouns, sexual orientation, disability, physical appearance, age, race, religion, etc. We do not tolerate harassment
+of participants in any form.
+
+This code of conduct applies to all Terra community spaces, including the github discussions tab, our
+[community discord server](https://discord.gg/PXUEbbF), the [community subreddit](https://reddit.com/r/TerraGenerator), or any other Terra
+space, both online and off. Anyone in violation of this code, as determined by the applicable moderators, may be subject to verbal warning,
+expulsion from these spaces, or future events and activities for an undetermined amount of time.
+
+Some Terra community spaces may have additional rules in place, which will be made clearly available to all participants. Participants are
+responsible for knowing and abiding by these rules.
+
+# Longer version
+
+Polyhedral Development is dedicated to providing a harassment-free experience for everyone. We do not tolerate harassment of participants in
+any form.
+
+## When and How to Use These Guidelines
+
+This code of conduct applies to all Terra community spaces, both online and off. This applies to the github discussion tab,
+the [Polyhedral Development community discord server](https://discord.gg/PXUEbbF), and any other Terra community. In addition, we may choose
+to invoke them in instances of harassment outside the Terra communities, and we will punish the responsible individuals appropriately. We
+will not tolerate harassment in any form, even outside of Terra.
+
+Some Terra spaces may have additional rules in place, which will be made clearly available to participants. Participants are responsible for
+knowing and abiding by these rules, in addition to this code of conduct.
+
+## Expected Behavior
+
+The following behaviors are expected of all members of the Terra community:
+
+### Be Respectful
+
+Value each other's ideas, styles and viewpoints. We may not always agree, but disagreement is no excuse for poor manners. Be open to
+different possibilities and to being wrong. Be respectful in all interactions and communications, especially when debating the merits of
+different options. Be aware of your impact and how intense interactions may be affecting people. Be direct, constructive and positive. Take
+responsibility for your impact, and your mistakes – if someone says they have been harmed through your words or actions, listen carefully,
+apologize sincerely, and correct the behavior going forward.
+
+#### Be Prepared to Admit When You are Wrong
+
+Any member of the Terra community should always be open to new ideas and must always be open to the possibility of being wrong. Nobody can
+always be right, and we are only human; we are [fallible](https://www.merriam-webster.com/dictionary/fallible) by nature. It is okay to make
+mistakes, but we must be willing to admit when we make one.
+
+### Be Direct but Professional
+
+We are likely to have some discussions about if and when criticism is respectful and when it's not. We must be able to speak directly when
+we disagree and when we think we need to improve. We cannot withhold hard truths. Doing so respectfully is hard, doing so when others don't
+seem to be listening is harder, and hearing such comments when one is the recipient can be even harder still. We need to be honest and
+direct, as well as respectful.
+
+### Be Inclusive
+
+Seek diverse perspectives. Diversity of views and of people on teams powers innovation, even if it is not always comfortable. Encourage all
+voices. Help new perspectives be heard and listen actively. If you find yourself dominating a discussion, it is especially important to step
+back and encourage other voices to join in. Be aware of how much time is taken up by dominant members of the group. Provide alternative ways
+to contribute or participate when possible.
+
+Be inclusive of everyone in an interaction, respecting and facilitating people's participation whether they are:
+
+- Not native language speakers
+- Coming from a different culture
+- Using pronouns other than "he", "she", or "they"
+- Living in a different time zone
+- Facing other challenges to participate
+- Or anything else. Be respectful of *everyone* at *all times*.
+
+Think about how you might facilitate alternative ways to contribute or participate. If you find yourself dominating a discussion, step back.
+Make way for other voices and listen actively to them.
+
+### Understand Different Perspectives
+
+Our goal should not be to "win" every disagreement or argument. A more productive goal is to be open to ideas that make our own ideas
+better. Strive to be an example for inclusive thinking. "Winning" is when different perspectives make our work richer and stronger. That
+means, you must pay attention to all ideas proposed. Don't disregard one without giving it the attention it deserves.
+
+### Appreciate and Accommodate Our Similarities and Differences
+
+People come from many cultures and backgrounds. Cultural differences can encompass everything from official religious observances to
+personal habits to clothing. Be respectful of anyone with different cultural practices, attitudes and beliefs. Work to eliminate your own
+biases, prejudices and discriminatory practices. Think of others' needs from their point of view. Use preferred titles (including
+pronouns<sup>[\[1\]](#1)</sup>) and the appropriate tone of voice. Respect people's right to privacy and confidentiality. Be open to
+learning from and educating others as well as educating yourself; it is unrealistic to expect someone to know the cultural practices of
+every ethnic and cultural group. Therefore we must be ready to correct someone if they make a mistake, and must be ready ourselves to change
+and learn if we make a mistake.
+
+### Lead by Example
+
+By matching your actions with your words, you become a person others want to follow. Your actions influence others to behave and respond in
+ways that are valuable and appropriate for our organizational outcomes. Design your community and your work for inclusion. Hold yourself and
+others accountable for inclusive behaviors.
+
+## Behavior That Will Not Be Tolerated
+
+The following behaviors are considered to be unacceptable and will not be tolerated:
+
+### Violence and Threats of Violence
+
+Violence and threats of violence are not acceptable - online or offline. This includes incitement of violence toward any individual,
+including encouraging a person to commit self-harm, engage in self-harm, or put themselves in a negative position (e.g. one which can lead
+to an increase of depression, etc.).
+
+### Personal Attacks
+
+Conflicts will inevitably arise, but frustration should never turn into a personal attack. It is not okay to insult, demean or belittle
+others. Attacking someone for their opinions, beliefs and ideas is not acceptable. It is important to speak directly when we disagree and
+when we think we need to improve, but such discussions must be conducted respectfully and professionally, remaining focused on the issue at
+hand.
+
+### Derogatory Language
+
+Offensive, unwelcome, or hurtful comments related to:
+
+- Gender
+- Gender identity or expression
+- Preferred pronouns<sup>[\[1\]](#1)</sup>
+- Marital status
+- Sex
+- Sexual orientation or identity
+- Native language
+- Age
+- (Dis)ability
+- Mental illness
+- Neuro(a)typicality
+- Race and/or ethnicity
+- Physical appearance
+- A person's lifestyle choices or practices,
+- A person's physical condition
+- A person's mental condition
+- Socioeconomic status
+- Religion
+- Employment
+- Or anything really. Just don't be offensive towards people, insult them, or make unwanted comments.
+
+is not acceptable. This includes deliberately referring to someone by a gender that they do not identify with, and/or questioning the
+legitimacy of an individual's gender identity. If you're unsure if a word is derogatory, don't use it. This also includes repeated subtle
+and/or indirect discrimination; when asked to stop, stop the behavior in question.
+
+### Unwelcome Sexual Attention or Physical Contact
+
+Unwelcome sexual attention or unwelcome physical contact is not acceptable. This includes sexualized comments, jokes or imagery in
+interactions, communications or presentation materials, as well as inappropriate touching, groping, or sexual advances. Additionally,
+touching a person without permission, including sensitive areas such as their hair, pregnant stomach, mobility device (wheelchair, scooter,
+etc) or tattoos is unacceptable. This includes physically blocking or intimidating another person. Physical contact or simulated physical
+contact (e.g. emojis like ":&#8203;kiss:", ":hug:", or ":kiss_mark:", textual descriptions like "\*hug\*", "\*backrub\*", or "\*kisses
+you\*", etc.) without affirmative consent or after a request to stop will not be accepted.
+
+### Sexual Behaviour Where it is Not Appropriate
+
+Uninvited or off-topic sexual images, text, or behaviour in spaces where they're not appropriate will not be accepted whatsoever. We are an
+open community, which means spaces must be appropriate for all ages, and everybody must feel comfortable. Discussion of sexual things, will
+be prohibited unless otherwise noted.
+
+### Discussion of Sensitive Topics
+
+Discussion of sensitive topics when asked to stop, or when not appropriate. Including, but not limited to:
+
+- Anything sexual
+- Gore
+- Suicide
+- Self harm
+- Anything related to death
+- Or really anything that someone may be sensitive about.
+
+shall not be tolerated. As a community for all ages and all kinds of people, we must cater to everyone, and must make sure everyone feels
+comfortable here. Repeatedly breaking someone else's boundaries will not be tolerated.
+
+### Disruptive Behavior
+
+Sustained disruption of events, forums, or meetings, online or otherwise, including talks and presentations, will not be tolerated. This
+includes:
+
+- 'Talking over', 'heckling', or otherwise disrupting speakers.
+- Making derogatory comments about someone else's choices, pushing people to do something they do not wish to do, talking about their
+  choices or personal preferences to others, or pressuring them to do something they don't wish to - physically or through jeering.
+- Behaviour that intentionally disrupts an event.
+- Otherwise influencing actions that may cause hostility in the session.
+
+### Influencing Unacceptable Behavior
+
+We will treat influencing or leading such activities the same way we treat the activities themselves, and thus the same consequences apply.
+To make someone do something bad is the same thing as if you were to do it yourself, and we will not tolerate it.
+
+### Stalking or Following
+
+Stalking or following in any form (offline or online) is unnacceptable. In addition, you may not take pictures or record video of others
+without their express permission or when asked to stop. Any individual may also request for you to delete all footage you have of them, even
+if you took it with their prior consent.
+
+### Publication of Personal Information
+
+The publication of personally identifying information (commonly known as "[doxxing](https://en.wikipedia.org/wiki/Doxing)") is directly
+prohibited. You may not publish information that someone wants to keep private, unless it is necessary to protect vulnerable people from
+intentional abuse. Addditionally, you may not deliberately "out" any aspect of a person's identity without their consent, this includes
+gender, pronouns, sexual identity, etc.
+
+Unless it pretains to a case of harassment, as outlined here, in which case some personally identifying information may need to be brought
+up in private with the appropriate moderation team to help aid our efforts in keeping the community safe.
+
+### Deliberate Misuse of Pronouns<sup>[\[1\]](#1)</sup> or Names
+
+As an inclusive community, we must respect everyone. That means respecting the pronouns or names they wish for us to use. Deliberate
+misgendering, misuse of preferred pronouns<sup>[\[1\]](#1)</sup>, or use of 'dead' or rejected names is not to be tolerated. (If someone
+*accidentally* uses the incorrect pronouns, gender, or name, politely ask them to use the correct pronouns/gender/name. But if they are to
+continue using the incorrect pronouns, gender, or name, then you should escalate and report them to us.)
+
+### Not Stopping After Multiple Requests
+
+If someone asks you to stop doing something, then you should stop. Continuing to do it may be considered harassment, and can lead you to be
+removed from our community.
+
+## Complains We May Ignore
+
+Additionally, Terra prioritizes marginalized people's safety over privileged people's comfort. We reserve the right to ignore complaints
+regarding:
+
+- Claims of discrimination against non-marginalized or oppressed groups (eg. being 'superphobic', meaning to not support people who are
+  'superstraight', which is a dog whistle for transphobic groups, or being 'cisphobic' without large amounts of evidence, etc.), or claims
+  of discrimination with no evidence. (Basically, don't report 'cisphobia' to us, because it doesn't exist. But if someone is mocking you or
+  making fun of you for being cis, and it is *really* getting out of hand, then do tell us.)
+- Reasonable communication of boundaries, such as "leave me alone," "go away," or "I'm not discussing this with you." (If someone is asking
+  you to stop, that is not reason for you to report them as harassing you.)
+- Communicating in a 'tone' you don't find [congenial](https://www.thefreedictionary.com/congenial). (You may not report someone for
+  harassment for being 'annoyed with you' or 'talking sternly to you')
+- Criticizing or calling out racist, sexist, discriminatory, or otherwise oppressive behavior or assumptions. (You may not say that someone
+  is harassing you if they are telling you to stop discriminating against someone.)
+- Disagreements that do not qualify as harassment. If you have a simple disagreement with someone, and they have not been discriminating to
+  anyone, in any form, then we will not take action against them. Two people are allowed to disagree on things without it getting toxic.
+
+We may also additionally choose to enact punishment for submitting a complaint in bad-faith or without adequate justification, if we deem
+necessary; if you're submitting a complaint just to troll or to annoy people, we may choose to have you banned or removed from the community
+spaces. Don't waste our time.
+
+In order to protect volunteers from abuse and burnout, we reserve the right to reject any report we believe to have been made in bad faith
+or with misintent. Reports intended to silence legitimate criticism may be deleted without response.
+
+## Reporting
+
+Terra has a global moderation team which is currently comprised of the following members:
+
+- solonovamax
+    - discord: [@solonovamax#6983](https://discord.com/channels/@me/566146322273402881)*
+    - github: [@solonovamax](https://github.com/solonovamax)
+    - email: [solonovamax@12oclockpoint.com](mailto:solonovamax@12oclockpoint.com)
+- dfsek
+    - discord: [@dfsek#4208](https://discord.com/channels/@me/378350362236682240)*
+    - github: [@dfsek](https://github.com/dfsek)
+    - email: [dfsek@protonmail.com](mailto:dfsek@protonmail.com)
+- duplex (duplexsystem)
+    - discord: [@Duplex#0797](https://discord.com/channels/@me/356822848641171456)*
+    - github: [@duplexsystem](https://github.com/duplexsystem)
+    - email: [duplexsys@protonmail.com](mailto:duplexsys@protonmail.com)
+
+\* The preferred method of communication is through discord. Although we will still be responsive on the other platforms, we will be more
+responsive on discord.
+
+These are people you can contact for anything regarding this code of conduct.
+
+If you are being harassed by a member of the Terra community, or by someone in a Terra community space, notice that someone else is being
+harassed, or have any other concerns, please contact a moderator of the platform it occurred on, or someone on the global moderation team.
+If the person who is harassing you is on the global moderation team, they will [recuse](https://www.thefreedictionary.com/recuse) themselves
+from handling your incident. (Meaning: if you are reporting someone on the team, they will not be involved in the discussion.) We will
+respond within a reasonable time frame, but generally within about 1 day.
+
+This code of conduct applies to Terra community spaces, but if you are being harassed by a member of Terra *outside* our spaces, we still
+want to know about it as we may choose to take action within our community. We will take all good-faith reports seriously and will always
+attempt to handle them appropriately. This includes harassment outside our spaces and harassment that took place at any point in time. The
+moderation team reserves the right to exclude people from Terra communities based on their past behavior, including behavior outside Terra
+spaces and behavior towards people who are not in Terra.
+
+Note: although we only have the ability to moderate official community spaces, if you are being harassed by someone in a non-official
+community space, and the moderation team of that platform refuses to do anything to help you (or even if they *do* help you), then you
+should notify us so that we may take appropriate action.
+
+We will respect confidentiality requests for the purpose of protecting victims of abuse. At our discretion, we may publicly name a person
+which we have received harassment complaints about, or privately warn third parties about them, but only if we believe that doing so will
+increase the safety of Terra community members or the general public. We will not name harassment victims or reporters of harassment
+(assuming the report was made in good-faith) without their explicit consent; all reports will remain anonymous by default.
+
+## Consequences of Unacceptable Behavior
+
+Participants asked to stop any harassing behavior are expected to comply immediately. Whether or not you comply immediately, you may still
+face consequences for you actions, but if the harasser doesn't comply immediately then we may choose to take additional actions to protect
+the Terra community members or the individual being harassed.
+
+Violation of this code can result in being asked to leave an event or online space, either temporarily or for the duration of the event, or
+being banned from participation in spaces, or future events and activities in perpetuity. If a participant engages in harassing behavior,
+the global moderation team may take any action they deem appropriate, up to and including expulsion from all Terra community spaces and
+identification of the participant as a harasser to other Terra community members or the general public. Bad behavior from any community
+member, including those with decision-making authority, will not be tolerated.
+
+In addition, any participants who abuse the reporting process will be considered to be in violation of these guidelines and subject to
+consequences. False reporting, especially to retaliate or exclude, will not be accepted or tolerated.
+
+## Questions
+
+if you have further questions for anything not addressed here, you may open an issue on this github repo, or contact a member of the global
+moderation team.
+
+## License and Attribution
+
+This set of guidelines is distributed under a
+[Creative Commons Attribution-ShareAlike license](https://creativecommons.org/licenses/by-sa/3.0/).
+
+These guidelines have been adapted from
+[Mozilla's Community Participation Guidelines](https://www.mozilla.org/en-US/about/governance/policies/participation/), which were adapted
+from:
+
+- Mozilla's original Community Participation Guidelines
+- The [Ubuntu Code of Conduct](https://ubuntu.com/community/code-of-conduct)
+- Mozilla's [View Source Conference Code of Conduct](https://viewsourceconf.org/berlin-2016/code-of-conduct/)
+- And the [Rust Language Code of Conduct](https://www.rust-lang.org/policies/code-of-conduct)
+
+which in turn were based on [Stumptown Syndicate's Citizen Code of Conduct](http://citizencodeofconduct.org/), along with some adapted text
+from the [LGBTQ in Technology Code of Conduct](https://lgbtq.technology/coc.html) and
+the [WisCon code of conduct](http://wiscon.net/policies/anti-harassment/code-of-conduct/).
+
+It was then modified by solonovamax with various inclusions from
+the [LGBTQ in Technology Code of Conduct](https://lgbtq.technology/coc.html) and a few other sources.
+
+## Notes
+
+#### \[1\]
+
+You provide a set of pronouns that everyone is comfortable addressing you with. Although some people are comfortable
+using [neopronouns](https://www.mypronouns.org/neopronouns), not everyone is. Therefore, if you use neopronouns, you should have at *least*
+one set of more common pronouns (One of he/him, she/her, or they/them; it doesn't matter which one. Anyone who doesn't respect your basic
+pronouns will be removed from the community.) that people may use, should they so choose, as some people are not comfortable
+using [neopronouns](https://www.mypronouns.org/neopronouns). But if someone refuses to use your more common pronouns, you should report them
+to us. Additionally, you may not ask people to use unreasonable pronouns, such as 'acab/acabself', 'that/bitch', 'ur/mom', or
+'dream/dreamself' (pronouns related to real people, eg. the minecraft youtuber 'dreamwastaken'). Doing so will be considered mockery of
+individuals who use non-standard pronouns and is very disrespectful.
@@ -0,0 +1,319 @@
+# Contributing to Terra
+
+First off, thank you for considering contributing to Terra. It's people like you that make Terra such a great tool.
+
+Following these guidelines helps to effectively use the time of the developers managing and developing this open source project, making it
+more enjoyable for all of us.
+
+Terra is an open source project and we love to receive contributions from our community, you! There are many ways to contribute, from
+writing tutorials or blog posts, improving the documentation, submitting bug reports and feature requests or writing code which can be
+incorporated into Terra.
+
+The following is a set of guidelines for contributing to Terra and its packages, which are hosted in
+the [PolyhedralDev Organization](https://github.com/PolyhedralDev) on GitHub. These are mostly guidelines, not rules. Use your best
+judgment, and feel free to propose changes to this document in a pull request.
+
+#### Table Of Contents
+
+[Code of Conduct](#code-of-conduct)
+
+[I don't want to read this whole thing, I just have a question!!!](#i-dont-want-to-read-this-whole-thing-i-just-have-a-question)
+
+[Getting Started](#getting-started)
+
+- [Your First Contribution](#your-first-contribution)
+- [Reporting Bugs](#reporting-bugs)
+    - [Before Submitting A Bug Report](#before-submitting-a-bug-report)
+    - [How Do I Submit A (Good) Bug Report?](#how-do-i-submit-a-good-bug-report)
+- [Suggesting Enhancements](#suggesting-enhancements)
+    - [Before Submitting An Enhancement Suggestion](#before-submitting-an-enhancement-suggestion)
+    - [How Do I Submit A (Good) Enhancement Suggestion?](#how-do-i-submit-a-good-enhancement-suggestion)
+- [Pull Requests](#pull-requests)
+    - [Before Submitting A Pull Request](#before-submitting-a-pull-request)
+    - [How Do I Submit A (Good) Pull Request?](#how-do-i-submit-a-good-pull-request)
+
+[Styleguides](#styleguides)
+
+- [Git Commits](#git-commits)
+    - [Committing](#committing)
+    - [Git Commit Messages](#git-commit-messages)
+- [Code Styleguide](#code-styleguide)
+- [Documentation Styleguide](#documentation-styleguide)
+    - TODO
+
+[Coding Pratices](#coding-practices)
+
+- [Compatibility](#compatibility)
+    - [General Compatibility](#general-compatibility)
+    - [Specific Compatibility](#specific-compatibility)
+- [Platform-Agnostic Design](#platform-agnostic-design)
+- [Data-Driven](#data-driven)
+
+## Code of Conduct
+
+This project and everyone participating in it is governed by the [Terra of Conduct](CODE_OF_CONDUCT.md). By participating, you are expected
+to uphold this code. Please report unacceptable behavior to [Terra global moderation team](CODE_OF_CONDUCT.md#Reporting).
+
+## I don't want to read this whole thing I just have a question!!!
+
+> **Note:** Please don't file an issue to ask a question. You'll get faster results by using the resources below.
+
+We have an official discord server where you can request help from various users
+
+- [The official PolyhedralDev discord server](https://discord.dfsek.com)
+
+## Getting Started
+
+### Your First Contribution
+
+Unsure where to begin contributing to Terra? You can start by looking through "beginner" and "help wanted" issues:
+
+- [Beginner issues](https://github.com/PolyhedralDev/Terra/labels/Note%3A%20Good%20First%20Issue) - issues which should be friendly to
+  anyone new to terra.
+- [Help wanted issues](https://github.com/PolyhedralDev/Terra/labels/Note%3A%20Help%20Wanted) - issues which should be a bit more involved
+  than "beginner" issues.
+
+New to github? Working on your first Pull Request? Check
+out [How to Contribute to an Open Source Project on GitHub](https://app.egghead.io/playlists/how-to-contribute-to-an-open-source-project-on-github)
+to get you up on your feet.
+
+At this point, you're ready to make your changes! Feel free to ask for help; everyone is a beginner at first!
+
+If a maintainer asks you to "rebase" your PR, they're saying that a lot of code has changed, and that you need to update your branch so it's
+easier to merge.
+
+### Reporting Bugs
+
+This section guides you through submitting a bug report for Terra. Following these guidelines helps maintainers and the community understand
+your report, and spend their time fixing the issue instead of understanding what you mean.
+
+Before creating bug reports, please check [this list](#before-submitting-a-bug-report) as you might find out that you don't need to create
+one. When you are creating a bug report, please [include as many details as possible](#how-do-i-submit-a-good-bug-report).
+
+> **Note:** If you find a **Closed** issue that seems like it is the same thing that you're experiencing, open a new issue and include a link to the original issue in the body of your new one.
+
+#### Before Submitting A Bug Report
+
+- Join the [discord server](https://discord.dfsek.com) to help resolve simple issues.
+- You must be on the LATEST version of Terra to receive any support. There is no support for older versions of Terra.
+- Make sure that this is not a *specific* compatibility issue with another terrain generation mod. Do not request *specific* compatibility
+  with mods or plugins (e.g. "Compatibility with TechCraft v7"). That should be implemented in an addon, **not** in the main project.
+  *General* compatibility (e.g. "Ability to pull Vanilla/Modded features from parent biomes") will be considered in the main project.
+- Search for any [already existing issues](https://github.com/PolyhedralDev/Terra/issues?q=is%3Aissue+) open with your problem. If you open
+  a duplicate, it will be closed as such.
+- Make sure that it is actually Terra causing the issue, and not another mod/plugin. You can do this by testing to see if you can recreate
+  the issue without Terra installed.
+- Double check that this is not an issue with a specific Terra *pack* or Terra *addon*, and instead applies to all of Terra.
+- Include a copy of the latest.log file. Putting *just* the exception is not enough. We need to be able to check that there wasn't anything
+  else before that caused it.
+- Be sure to fill out all the required information and give descriptions of everything.
+
+#### How Do I Submit A (Good) Bug Report?
+
+Bugs are tracked as [GitHub issues](https://guides.github.com/features/issues/)
+. [Create an issue](https://github.com/PolyhedralDev/Terra/issues/new) and provide the prerequisite information by filling in the Bug Report
+template.
+
+Explain the problem and include additional details to help maintainers reproduce the problem:
+
+- **Use a clear and descriptive title** for the issue to identify the problem.
+- **Describe the exact steps which reproduce the problem** in as many details as possible. When listing steps, **don't just say what you
+  did, but explain how you did it**.
+- **Provide specific examples to demonstrate the steps**.
+- **Describe the behavior you observed after following the steps** and point out what exactly is the problem with that behavior.
+- **Explain which behavior you expected to see instead and why.**
+- **If the problem wasn't triggered by a specific action**, describe what you were doing before the problem happened and share more
+  information using the guidelines below.
+
+Include details about your configuration and environment:
+
+- **Which version of Terra are you using?** You can get the exact version by running `/te version`.
+- **What's the name and version of the platform you're using**? (eg. Spigot, Fabric, Paper, etc.)
+- **Which external plugins or mods do you have installed?**
+- **Which Terra packs do you have installed?** You can get that list by running `/te packs`.
+- **Which Terra addons do you have installed?** You can get that list by running `/te addons`.
+
+### Suggesting Enhancements
+
+This section guides you through submitting an enhancement suggestion for Terra, including completely new features and minor improvements to
+existing functionality. Following these guidelines helps maintainers and the community understand your suggestion and find related
+suggestions.
+
+Before creating enhancement suggestions, please check [this list](#before-submitting-an-enhancement-suggestion) as you might find out that
+you don't need to create one. When you are creating an enhancement suggestion,
+please [include as many details as possible](#how-do-i-submit-a-good-enhancement-suggestion).
+
+#### Before Submitting An Enhancement Suggestion
+
+- You must be on the **LATEST** version of Terra to make sure your feature hasn't been added yet.
+- Search for any [already existing issues](https://github.com/PolyhedralDev/Terra/issues?q=is%3Aissue+) (Including closed!) with your
+  problem. If you open a duplicate, it will be closed as such.
+- Verify that this is actually within the scope of Terra.
+- Be sure that this is not a feature request that should be made for a specific Terra *pack*, and instead applies to all of Terra.
+- Be sure that this is not something that should be implemented as a Terra addon, and instead applies to all of Terra.
+- Make sure that you attach a copy of the latest.log file, if there are any exceptions thrown in the console. Putting *just* the exception
+  **is not enough**. We need to be able to check that there wasn't anything else before that caused it.
+
+#### How Do I Submit A (Good) Enhancement Suggestion?
+
+Enhancement suggestions are tracked as [GitHub issues](https://guides.github.com/features/issues/). Create an issue on our main repository
+and provide the following information:
+
+- **Use a clear and descriptive title** for the issue to identify the suggestion.
+- **Provide a step-by-step description of the suggested enhancement** in as many details as possible.
+- **Provide specific examples to demonstrate the steps**.
+- **Describe the current behavior** and **explain which behavior you expected to see instead** and why.
+- **Explain why this enhancement would be useful** to most Terra users and isn't something that can or should be implemented as an addon.
+
+### Pull Requests
+
+This section guides you through submitting a pull request for Terra.
+
+While the prerequisites above must be satisfied prior to having your pull request reviewed, the reviewer(s) may ask you to complete
+additional design work, tests, or other changes before your pull request can be ultimately accepted.
+
+#### Before Submitting A Pull Request
+
+- You must be on the **LATEST** version of Terra to make sure your feature hasn't been added yet.
+- Search for any [already existing issues](https://github.com/PolyhedralDev/Terra/issues?q=is%3Aissue+) (Including closed!) with your
+  problem. If you open a duplicate, it will be closed as such.
+- Verify that this is actually within the scope of Terra.
+- Be sure that this is not a feature request that should be made for a specific Terra *pack*, and instead applies to all of Terra.
+- Be sure that this is not something that should be implemented as a Terra addon, and instead applies to all of Terra.
+- Make sure that you attach a copy of the latest.log file, if there are any exceptions thrown in the console. Putting *just* the
+  exception **is not enough**. We need to be able to check that there wasn't anything else before that caused it.
+
+#### How Do I Submit A (Good) Pull Request?
+
+Pull Requests are tracked as [GitHub Pull Requests](https://guides.github.com/activities/forking/#making-a-pull-request). Create a pr on our
+main repository and provide the following information:
+
+- **Use a clear and descriptive title** to identify the pull request.
+- **State what this pull request adds/fixes**.
+- **Be sure that you are the owner of the code you contributed** or that it can be licensed under the GPLv3.
+- **Provide a description goals and non-goals of the pull request** in as many details as possible.
+- **Describe the current behavior** and **explain which behavior you expected to see instead** and why.
+- **Explain why this enhancement would be useful** to most Terra users and isn't something that can or should be implemented as an addon.
+
+## Styleguides
+
+### Git Commits
+
+Following this is not mandatory, but rather a set of guidelines. As long as your commit messages aren't absolutely awful, it's probably
+fine. But it would be nice if you followed them.
+
+#### Committing
+
+When you commit code, try to avoid committing large amounts of code in a single go. Splitting up code into smaller commits is much nicer and
+makes it easier to trace a feature to a single commit.
+
+Try to stick to one feature/fix/etc. per commit. A good rule of thumb is if you need to use the word "and" in the subject line, then it
+should probably™ be two commits.
+
+#### Git Commit Messages
+
+- Subject line must fit the following format: `<type>: <short summary>`. Type must be one of the following:
+    - Build: Changes that affect the build system or external dependencies.
+    - Docs: Documentation only changes.
+    - Feat: A new feature.
+    - Fix: A bug fix.
+    - Perf: Performance improvements.
+    - Refactor: Refactoring sections of the codebase.
+    - Repo: Changes to the repository structure that do not affect code. (Eg. modification of the `README.md` file, etc.)
+    - Revert: Revert a previous commit.
+    - Style: Code style updates.
+    - Test: Anything related to testing.
+    - Trans: Translation and localization of Terra to other languages.
+    - WIP: Work in progress.
+- Separate the subject line from the body with a single blank line.
+- Do not end subject line with a period.
+- Limit the subject line to 50 or less.
+- The subject line and all body lines should be in sentence case.
+- Use the present tense. ("Add feature" not "Added feature")
+- Use the imperative mood. ("Move cursor to..." not "Moves cursor to...")
+- Reference relevant issues and pull requests in the body.
+
+>
+> Here is a template you can follow:
+> ```
+> Capitalized, short (50 chars or less) summary
+>
+> More detailed explanatory text, if necessary. Wrap it to about 72
+> characters or so. In some contexts, the first line is treated as
+> the subject of the commit and the rest of the text as the body. The
+> blank line separating the summary from the body is critical (unless
+> you omit the body entirely); various tools like `log`, `shortlog` and
+> `rebase` can get confused if you run the two together.
+>
+> Explain the problem that this commit is solving. Focus on why you are
+> making this change as opposed to how (the code explains that). Are
+> there side effects or other unintuitive consequences of this
+> change? Here's the place to explain them.
+>
+>
+> Further paragraphs come after blank lines.
+> - Bullet points are okay, too
+> - Typically a hyphen or asterisk is used for the bullet, followed
+>   by a single space, with blank lines in between, but conventions vary
+>   here
+> - Use a hanging indent
+>
+> Reference any relevant issues at the bottom, like so:
+>
+> Resolves: #123
+> See also: #456, #789
+> ```
+
+### Code Styleguide
+
+Use an IDE with support for `.editorconfig` files. There is an included editorconfig file in the base of the project so that your IDE should
+automatically use the correct code style settings.
+
+### Documentation Styleguide
+
+TODO
+
+## Coding Practices
+
+### Compatibility
+
+#### General Compatibility
+
+General compatibility (example: injection of Vanilla structures/features/carvers into packs) is acceptable in the main project.
+
+- General compatibility features should be *disabled by default*. Having things auto-injected causes unpredictable behaviour that is
+  annoying to diagnose. General-compatibility options should have config values attached which are disabled by default.
+- These config options should also be *simple to use*. Think of the people who will be using these compatibility options. They want to flick
+  a switch and have things be compatible. That means that a majority of compatibility options should stay in `pack.yml`, to make it simple
+  to go into a pack and turn on specific compatibilities. This does *not* mean that more advanced compatibility options are off the table,
+  for example, look at Feature compatibility, where features can either be automatically injected, *or* configured individually per Terra
+  biome, depending on how much control the user wants.
+
+#### Specific Compatibility
+
+Specific compatibility should *not* be put in the main project. (Example: Adding the ability to generate TechCraft v7's doo-dads with a
+TerraScript function)
+
+Having specific compatibilities leads to tons of extra dependencies to keep track of, as well as adding lots of additional stuff to
+maintain. It quickly becomes a mess. Especially when most users will never need to use this feature.
+
+We have designed an addon API for exactly this purpose. **Specific compatibilities are welcome and encouraged, in the form of addons.**
+
+### Platform-Agnostic Design
+
+Terra must, at all times, remain platform agnostic. This means it must be able to run on theoretically any voxel based platform. Including
+non-minecraft games like Terasology.
+
+When adding a new feature to `common`, make no assumptions about what platform it'll be running on.
+
+Examples:
+
+- Don't assume the world height is 256.
+- Don't assume that a specific block, item, or entity exists. (Eg. don't assume there exists a block called `minecraft:grass_block`)
+
+### Data-Driven
+
+When adding a new feature, make it abstract. Don't make assumptions about "specific use cases." If you can only think of a few use cases,
+your idea should probably be generalized.
+
+You must use configs effectively. Make configs that are *powerful* but also *make sense* and are \[easy\] to use.
@@ -1,25 +1,46 @@
 # Terra
-Terra is a data-driven world generator based on [Gaea](https://github.com/PolyhedralDev/Gaea). Find out more on our
-[Spigot page](https://www.spigotmc.org/resources/85151/)!

-## Building and running Terra
-To build, simply run `./gradlew build` on Linux/MacOS, or `gradlew.bat build` on Windows.
-This will produce a jar in `build/libs` called `Terra-[CURRENT VERSION].jar`.
-You can put this right into your plugins dir, along with the correct Gaea version.
+Terra is an incredibly powerful free & open-source data-driven, platform-agnostic world generator. It allows you to create a world exactly
+to your specifications, with no knowledge of Java required.

-If you would like to test it with a default server config, just run `./gradlew setupServer` or
-`./gradlew.bat setupServer` to set up the server, then `./gradlew testWithPaper` or `gradlew.bat testWithPaper` to run
-the server. If you want a clean installation of the server, re-run the `setupServer` task.
-This will download a default server config from [here](https://github.com/PolyhedralDev/WorldGenTestServer)
-and install the server in the `target/server` directory, along with all the needed plugins.
-   
-**Note: You will need to adjust the `NAME` variable `bukkit.yml` of the test server if you are not using the default
-Terra config.**
+## Downloads:

+* Paper+ servers (Paper, Tuinity, Purpur, etc): [SpigotMC](https://www.spigotmc.org/resources/85151/)
+* Fabric: [Modrinth](https://modrinth.com/mod/terra) / [CurseForge](https://www.curseforge.com/minecraft/mc-mods/terra-world-generator)
+* Forge **(ALPHA - NOT PRODUCTION-READY)**: [Modrinth](https://modrinth.com/mod/terra) / [CurseForge](https://www.curseforge.com/minecraft/mc-mods/terra-world-generator)
+
+## Building and Running Terra
+
+To build, simply run `./gradlew build` (`gradlew.bat build` on Windows). This will build all platforms, and
+produce JARs in `platforms/<platform>/build/libs`
+
+### Production JARs:
+* Bukkit: `Terra-<version>-shaded.jar`
+* Fabric: `Terra-<version>-shaded-mapped.jar`
+* Forge: `Terra-<version>-shaded.jar`
+
+### Building a Specific Platform
+To build a specific platform, run `gradlew :platforms:<platform>:build`.
+
+JARs are produced in `platforms/<platform>/build/libs`.
+
+### Running Minecraft in the IDE
+To run Minecraft with Terra in the IDE (for testing) use the following tasks:
+* Bukkit
+  * `installPaper` - Install a [Paper](https://github.com/PaperMC/Paper) test server. (Only needs to be run once).
+  * `installPurpur` - Install a [Purpur](https://github.com/pl3xgaming/Purpur) test server. (Only needs to be run once).
+  * `runPaper` - Run the Paper test server with Terra (`installPaper` must have been run previously).
+  * `runPurpur` - Run the Purpur test server with Terra (`installPurpur` must have been run previously).
+* Fabric
+  * `runClient` - Run a Minecraft Fabric client with Terra installed.
+  * `runServer` - Run a Minecraft Fabric server with Terra installed.
+* Forge
+  * `runClient` - Run a Minecraft Forge client with Terra installed.
+  * `runServer` - Run a Minecraft Forge server with Terra installed.
 ## Contributing
 Contributions are welcome! If you want to see a feature in Terra, please, open an issue, or implement it yourself and
 submit a PR!
 Join the discord [here](https://discord.gg/PXUEbbF) if you would like to talk more about the project!

 ## Beta
-Terra is still in beta! While it is stable, it is not feature-complete. There is a lot to be added!
+Terra is still in beta! While it is stable, it is not feature-complete. There is a lot to be added!
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module version="4">
-  <component name="CheckStyle-IDEA-Module">
-    <option name="configuration">
-      <map />
-    </option>
-  </component>
-  <component name="FacetManager">
-    <facet type="minecraft" name="Minecraft">
-      <configuration>
-        <autoDetectTypes>
-          <platformType>SPIGOT</platformType>
-        </autoDetectTypes>
-      </configuration>
-    </facet>
-  </component>
-</module>
@@ -1,200 +1,28 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-import java.io.ByteArrayOutputStream
-import java.net.URL
-import java.nio.channels.Channels
-import java.nio.file.Files
-import java.nio.file.Paths
-import java.nio.file.StandardCopyOption
-//import java.util.zip.ZipFile
-import java.util.zip.ZipInputStream
+import com.dfsek.terra.getGitHash

-plugins {
-    java
-    maven
-    id("com.github.johnrengelman.shadow").version("6.1.0")
-}
+val versionObj = Version("5", "3", "3", true)

-repositories {
-    flatDir {
-        dirs("lib")
+allprojects {
+    version = versionObj
+    group = "com.dfsek.terra"
+
+    tasks.withType<JavaCompile>().configureEach {
+        options.isFork = true
+        options.isIncremental = true
    }
-    maven { url = uri("https://hub.spigotmc.org/nexus/content/repositories/snapshots/") }
-    maven { url = uri("http://maven.enginehub.org/repo/") }
-    maven { url = uri("https://repo.codemc.org/repository/maven-public") }
-    maven { url = uri("https://papermc.io/repo/repository/maven-public/") }
-//    maven { url = uri("https://maven.pkg.github.com/solonovamax/Gaea") }
-}
+    tasks.withType<Test>().configureEach {
+        useJUnitPlatform()

-java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
-}
+        maxHeapSize = "2G"
+        ignoreFailures = false
+        failFast = true
+        maxParallelForks = (Runtime.getRuntime().availableProcessors() - 1).takeIf { it > 0 } ?: 1

-val versionObj = Version("1", "5", "0", true)
-
-version = versionObj
-
-dependencies {
-    val gaeaVersion = "1.14.3"
-    compileOnly(name = "Gaea-${gaeaVersion}", group = "")
-    testImplementation(name = "Gaea-${gaeaVersion}", group = "")
-
-    compileOnly("org.jetbrains:annotations:20.1.0")
-
-    implementation("commons-io:commons-io:2.4")
-    implementation("org.apache.commons:commons-imaging:1.0-alpha2")
-
-    compileOnly("com.sk89q.worldedit:worldedit-bukkit:7.2.0-SNAPSHOT")
-    implementation("org.bstats:bstats-bukkit:1.7")
-
-    compileOnly("com.googlecode.json-simple:json-simple:1.1")
-
-    implementation(name = "parsii-1.2.1", group = "")
-
-    compileOnly("org.spigotmc:spigot-api:1.16.2-R0.1-SNAPSHOT")
-    implementation("io.papermc:paperlib:1.0.5")
-
-    implementation("net.jafama:jafama:2.3.2")
-
-
-    // JUnit.
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.7.0")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.7.0")
-}
-
-val compileJava: JavaCompile by tasks
-val mainSourceSet: SourceSet = sourceSets["main"]
-
-val tokenizeJavaSources = task<Copy>(name = "tokenizeJavaSources") {
-    from(mainSourceSet.allSource) {
-        include("**/plugin.yml")
-        println("version: $versionObj")
-        val tokens = mapOf("VERSION" to versionObj.toString())
-
-        filter(org.apache.tools.ant.filters.ReplaceTokens::class, "tokens" to tokens)
-    }
-    into("build/tokenizedSources")
-    includeEmptyDirs = false
-}
-
-
-compileJava.apply {
-    dependsOn(tokenizeJavaSources)
-
-    options.encoding = "UTF-8"
-    doFirst {
-        options.compilerArgs = mutableListOf("-Xlint:all")
-    }
-}
-
-tasks.test {
-    useJUnitPlatform()
-
-    maxHeapSize = "4G"
-    ignoreFailures = false
-    failFast = true
-    maxParallelForks = 12
-}
-
-tasks.named<ShadowJar>("shadowJar") {
-    from(tokenizeJavaSources.destinationDir)
-
-    archiveClassifier.set("")
-    archiveBaseName.set("Terra")
-    setVersion(project.version)
-    relocate("org.apache.commons", "com.dfsek.terra.lib.commons")
-    relocate("org.bstats.bukkit", "com.dfsek.terra.lib.bstats")
-    relocate("parsii", "com.dfsek.terra.lib.parsii")
-    relocate("io.papermc.lib", "com.dfsek.terra.lib.paperlib")
-    relocate("net.jafama", "com.dfsek.terra.lib.jafama")
-    minimize()
-}
-
-tasks.build {
-    dependsOn(tasks.shadowJar)
-//    dependsOn(testWithPaper)
-//    testWithPaper.mustRunAfter(tasks.shadowJar)
-}
-
-val testDir = "target/server/"
-
-val setupServer = tasks.create("setupServer") {
-    dependsOn(tasks.shadowJar)
-    doFirst {
-        // clean
-        file("${testDir}/").deleteRecursively()
-        file("${testDir}/plugins").mkdirs()
-
-        // Downloading latest paper jar.
-        val paperUrl = URL("https://papermc.io/api/v1/paper/1.16.4/latest/download")
-        val paperReadableByteChannel = Channels.newChannel(paperUrl.openStream())
-        val paperFile = file("${testDir}/paper.jar")
-        val paperFileOutputStream = paperFile.outputStream()
-        val paperFileChannel = paperFileOutputStream.channel
-        paperFileChannel.transferFrom(paperReadableByteChannel, 0, Long.MAX_VALUE)
-
-        // Cloning test setup.
-        gitClone("https://github.com/PolyhedralDev/WorldGenTestServer")
-        // Copying plugins
-        Files.move(Paths.get("WorldGenTestServer/plugins"),
-                Paths.get("$testDir/plugins"),
-                StandardCopyOption.REPLACE_EXISTING)
-        // Copying config
-        val serverText = URL("https://raw.githubusercontent.com/PolyhedralDev/WorldGenTestServer/master/server.properties").readText()
-        file("${testDir}/server.properties").writeText(serverText)
-        val bukkitText = URL("https://raw.githubusercontent.com/PolyhedralDev/WorldGenTestServer/master/bukkit.yml").readText()
-        file("${testDir}/bukkit.yml").writeText(bukkitText.replace("\${world}", "world").replace("\${gen}", "Terra:DEFAULT"))
-
-        File("${testDir}/eula.txt").writeText("eula=true")
-
-        // clean up
-        file("WorldGenTestServer").deleteRecursively()
-    }
-}
-
-val downloadDefaultPacks = tasks.create("downloadDefaultPacks") {
-    doFirst {
-        // Downloading latest paper jar.
-//        if (file("${buildDir}/resources/main/packs/default").exists() && file("${buildDir}/resources/main/packs/nether").exists())
-//            return@doFirst
-//        else
-        file("${buildDir}/resources/main/packs/").deleteRecursively()
-
-        val defaultPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/default.zip")
-        downloadAndUnzipPack(defaultPackUrl)
-        val netherPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/nether.zip")
-        downloadAndUnzipPack(netherPackUrl)
-    }
-}
-tasks.processResources.get().dependsOn(downloadDefaultPacks)
-
-val testWithPaper = task<JavaExec>(name = "testWithPaper") {
-    standardInput = System.`in`
-    dependsOn(tasks.shadowJar)
-    // Copy Terra into dir
-    doFirst {
-        copy {
-            from("${buildDir}/libs/Terra-${versionObj}.jar")
-            into("${testDir}/plugins/")
-        }
+        reports.html.isEnabled = false
+        reports.junitXml.isEnabled = false
    }

-    main = "io.papermc.paperclip.Paperclip"
-    jvmArgs = listOf("-XX:+UseG1GC", "-XX:+ParallelRefProcEnabled", "-XX:MaxGCPauseMillis=200",
-            "-XX:+UnlockExperimentalVMOptions", "-XX:+DisableExplicitGC", "-XX:+AlwaysPreTouch",
-            "-XX:G1NewSizePercent=30", "-XX:G1MaxNewSizePercent=40", "-XX:G1HeapRegionSize=8M",
-            "-XX:G1ReservePercent=20", "-XX:G1HeapWastePercent=5", "-XX:G1MixedGCCountTarget=4",
-            "-XX:InitiatingHeapOccupancyPercent=15", "-XX:G1MixedGCLiveThresholdPercent=90",
-            "-XX:G1RSetUpdatingPauseTimePercent=5", "-XX:SurvivorRatio=32", "-XX:+PerfDisableSharedMem",
-            "-XX:MaxTenuringThreshold=1", "-Dusing.aikars.flags=https://mcflags.emc.gs",
-            "-Daikars.new.flags=true", "-DIReallyKnowWhatIAmDoingISwear")
-    maxHeapSize = "2G"
-    args = listOf("nogui")
-    workingDir = file("${testDir}/")
-    classpath = files("${testDir}/paper.jar")
 }
-
-
 /**
 * Version class that does version stuff.
 */
@@ -208,34 +36,3 @@ class Version(val major: String, val minor: String, val revision: String, val pr
            "$major.$minor.$revision-BETA+${getGitHash()}"
    }
 }
-
-fun getGitHash(): String {
-    val stdout = ByteArrayOutputStream()
-    exec {
-        commandLine = mutableListOf("git", "rev-parse", "--short", "HEAD")
-        standardOutput = stdout
-    }
-    return stdout.toString().trim()
-}
-
-fun gitClone(name: String) {
-    val stdout = ByteArrayOutputStream()
-    exec {
-        commandLine = mutableListOf("git", "clone", name)
-        standardOutput = stdout
-    }
-}
-
-fun downloadAndUnzipPack(packUrl: URL) {
-    ZipInputStream(packUrl.openStream()).use { zip ->
-        while (true) {
-            val entry = zip.nextEntry ?: break
-            if (entry.isDirectory)
-                file("${buildDir}/resources/main/packs/${entry.name}").mkdirs()
-            else
-                file("${buildDir}/resources/main/packs/${entry.name}").outputStream().use { output ->
-                    output.write(zip.readBytes())
-                }
-        }
-    }
-}
@@ -0,0 +1,13 @@
+plugins {
+    `kotlin-dsl`
+    kotlin("jvm") version embeddedKotlinVersion
+}
+
+repositories {
+    mavenCentral()
+    gradlePluginPortal()
+}
+
+dependencies {
+    "implementation"("com.github.jengelman.gradle.plugins:shadow:+")
+}
@@ -0,0 +1,32 @@
+package com.dfsek.terra
+
+import org.gradle.api.Project
+import org.gradle.api.tasks.testing.Test
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.withType
+import java.io.ByteArrayOutputStream
+
+fun Project.configureCommon() {
+    configureDependencies()
+    configureCompilation()
+    configureDistribution()
+
+    version = rootProject.version
+}
+
+fun Project.getGitHash(): String {
+    val stdout = ByteArrayOutputStream()
+    exec {
+        commandLine = mutableListOf("git", "rev-parse", "--short", "HEAD")
+        standardOutput = stdout
+    }
+    return stdout.toString().trim()
+}
+
+fun Project.gitClone(name: String) {
+    val stdout = ByteArrayOutputStream()
+    exec {
+        commandLine = mutableListOf("git", "clone", name)
+        standardOutput = stdout
+    }
+}
@@ -0,0 +1,60 @@
+package com.dfsek.terra
+
+import org.gradle.api.JavaVersion
+import org.gradle.api.Project
+import org.gradle.api.plugins.JavaPluginConvention
+import org.gradle.api.tasks.bundling.Jar
+import org.gradle.api.tasks.compile.JavaCompile
+import org.gradle.api.tasks.javadoc.Javadoc
+import org.gradle.kotlin.dsl.*
+import org.gradle.language.jvm.tasks.ProcessResources
+
+fun Project.configureCompilation() {
+    apply(plugin = "maven-publish")
+    apply(plugin = "idea")
+
+    configure<JavaPluginConvention> {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    tasks.withType<JavaCompile> {
+        options.encoding = "UTF-8"
+        doFirst {
+            options.compilerArgs.add("-Xlint:all")
+        }
+    }
+
+    tasks.withType<ProcessResources> {
+        include("**/*.*")
+        filter<org.apache.tools.ant.filters.ReplaceTokens>(
+                "tokens" to mapOf(
+                        "VERSION" to project.version.toString(),
+                        "DESCRIPTION" to project.properties["terra.description"],
+                        "WIKI" to project.properties["terra.wiki"],
+                        "SOURCE" to project.properties["terra.source"],
+                        "ISSUES" to project.properties["terra.issues"],
+                        "LICENSE" to project.properties["terra.license"]
+                )
+        )
+    }
+
+    tasks.withType<Javadoc> {
+        options.encoding = "UTF-8"
+    }
+
+    tasks.withType<Jar> {
+        archiveBaseName.set("Terra-${archiveBaseName.get()}")
+        from("../LICENSE", "../../LICENSE")
+    }
+
+    tasks.register<Jar>("sourcesJar") {
+        archiveClassifier.set("sources")
+    }
+
+    tasks.register<Jar>("javadocJar") {
+        dependsOn("javadoc")
+        archiveClassifier.set("javadoc")
+        from(tasks.getByName<Javadoc>("javadoc").destinationDir)
+    }
+}
@@ -0,0 +1,38 @@
+package com.dfsek.terra
+
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.dependencies
+import org.gradle.kotlin.dsl.invoke
+import org.gradle.kotlin.dsl.repositories
+
+fun Project.configureDependencies() {
+    apply(plugin = "java")
+    apply(plugin = "java-library")
+
+    configurations {
+        val shaded = create("shaded")
+        val shadedApi = create("shadedApi")
+        shaded.extendsFrom(shadedApi)
+        getByName("api").extendsFrom(shadedApi)
+        val shadedImplementation = create("shadedImplementation")
+        shaded.extendsFrom(shadedImplementation)
+        getByName("implementation").extendsFrom(shadedImplementation)
+    }
+
+    repositories {
+        maven { url = uri("https://maven.enginehub.org/repo/") }
+        maven { url = uri("https://repo.codemc.org/repository/maven-public") }
+        maven { url = uri("https://papermc.io/repo/repository/maven-public/") }
+        maven { url = uri("https://maven.fabricmc.net/") }
+        gradlePluginPortal()
+        jcenter()
+        mavenCentral()
+    }
+
+    dependencies {
+        "testImplementation"("org.junit.jupiter:junit-jupiter-api:5.7.0")
+        "testImplementation"("org.junit.jupiter:junit-jupiter-engine:5.7.0")
+        "api"("org.jetbrains:annotations:20.1.0")
+    }
+}
@@ -0,0 +1,61 @@
+package com.dfsek.terra
+
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+import org.gradle.api.DefaultTask
+import org.gradle.api.Project
+import org.gradle.api.plugins.BasePluginConvention
+import org.gradle.api.tasks.bundling.Jar
+import org.gradle.api.tasks.javadoc.Javadoc
+import org.gradle.kotlin.dsl.*
+import java.io.File
+import java.net.URL
+
+fun Project.configureDistribution() {
+    apply(plugin = "java-library")
+    apply(plugin = "com.github.johnrengelman.shadow")
+
+    val downloadDefaultPacks = tasks.create("downloadDefaultPacks") {
+        group = "terra"
+        doFirst {
+            file("${buildDir}/resources/main/packs/").deleteRecursively()
+
+            val defaultPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/default.zip")
+            downloadPack(defaultPackUrl, project)
+            val netherPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/nether.zip")
+            downloadPack(netherPackUrl, project)
+        }
+    }
+    tasks["processResources"].dependsOn(downloadDefaultPacks)
+
+    tasks.named<ShadowJar>("shadowJar") {
+        // Tell shadow to download the packs
+        dependsOn(downloadDefaultPacks)
+
+        configurations = listOf(project.configurations["shaded"])
+
+        archiveClassifier.set("shaded")
+        setVersion(project.version)
+        relocate("org.apache.commons", "com.dfsek.terra.lib.commons")
+        relocate("net.jafama", "com.dfsek.terra.lib.jafama")
+        relocate("org.objectweb.asm", "com.dfsek.terra.lib.asm")
+        relocate("com.google.errorprone", "com.dfsek.terra.lib.google.errorprone")
+        relocate("com.google.j2objc", "com.dfsek.terra.lib.google.j2objc")
+        relocate("org.checkerframework", "com.dfsek.terra.lib.checkerframework")
+        relocate("org.javax.annotation", "com.dfsek.terra.lib.javax.annotation")
+        relocate("org.json", "com.dfsek.terra.lib.json")
+        relocate("org.yaml", "com.dfsek.terra.lib.yaml")
+        minimize()
+    }
+    convention.getPlugin<BasePluginConvention>().archivesBaseName = project.name
+
+    tasks.named<DefaultTask>("build") {
+        dependsOn(tasks["shadowJar"])
+    }
+}
+
+fun downloadPack(packUrl: URL, project: Project) {
+    val fileName = packUrl.file.substring(packUrl.file.lastIndexOf("/"))
+    val file = File("${project.buildDir}/resources/main/packs/${fileName}")
+    file.parentFile.mkdirs()
+    file.outputStream().write(packUrl.readBytes())
+}
@@ -0,0 +1,57 @@
+import com.dfsek.terra.configureCompilation
+import com.dfsek.terra.configureDependencies
+
+plugins {
+    `java-library`
+    `maven-publish`
+    idea
+}
+
+configureCompilation()
+configureDependencies()
+
+group = "com.dfsek.terra.common"
+
+dependencies {
+    "shadedApi"("org.apache.commons:commons-rng-core:1.3")
+    "shadedApi"("commons-io:commons-io:2.4")
+
+    "shadedApi"("com.dfsek:Paralithic:0.3.2")
+    "shadedApi"("com.dfsek:Tectonic:1.3.1")
+    "shadedApi"("net.jafama:jafama:2.3.2")
+    "shadedApi"("org.yaml:snakeyaml:1.27")
+    "shadedApi"("org.ow2.asm:asm:9.0")
+    "shadedApi"("commons-io:commons-io:2.6")
+
+    "shadedApi"("com.googlecode.json-simple:json-simple:1.1.1")
+    "shadedApi"("org.yaml:snakeyaml:1.27")
+
+    "compileOnly"("com.google.guava:guava:30.0-jre")
+
+    "testImplementation"("com.google.guava:guava:30.0-jre")
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("mavenJava") {
+            artifact(tasks["sourcesJar"])
+            artifact(tasks["jar"])
+        }
+    }
+
+    repositories {
+        val mavenUrl = "https://repo.codemc.io/repository/maven-releases/"
+        val mavenSnapshotUrl = "https://repo.codemc.io/repository/maven-snapshots/"
+
+        maven(mavenUrl) {
+            val mavenUsername: String? by project
+            val mavenPassword: String? by project
+            if (mavenUsername != null && mavenPassword != null) {
+                credentials {
+                    username = mavenUsername
+                    password = mavenPassword
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,61 @@
+package com.dfsek.terra.addon;
+
+import com.dfsek.terra.api.addons.TerraAddon;
+import com.dfsek.terra.api.addons.annotations.Addon;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+public class AddonClassLoader extends URLClassLoader {
+    static {
+        ClassLoader.registerAsParallelCapable();
+    }
+
+    public AddonClassLoader(URL[] urls, ClassLoader parent) {
+        super(urls, parent);
+    }
+
+    public AddonClassLoader(URL[] urls) {
+        super(urls);
+    }
+
+    @SuppressWarnings("unchecked")
+    public static Set<Class<? extends TerraAddon>> fetchAddonClasses(File file) throws IOException {
+        JarFile jarFile = new JarFile(file);
+        Enumeration<JarEntry> entries = jarFile.entries();
+
+        AddonClassLoader loader = new AddonClassLoader(new URL[] {file.toURI().toURL()}, AddonClassLoader.class.getClassLoader());
+
+        Set<Class<? extends TerraAddon>> set = new HashSet<>();
+        while(entries.hasMoreElements()) {
+            JarEntry entry = entries.nextElement();
+
+            if(entry.isDirectory() || !entry.getName().endsWith(".class")) continue;
+            String className = entry.getName().substring(0, entry.getName().length() - 6).replace('/', '.');
+
+            try {
+                Class<?> clazz = loader.loadClass(className);
+
+                Addon addon = clazz.getAnnotation(Addon.class);
+
+                if(addon == null) continue;
+
+                if(!TerraAddon.class.isAssignableFrom(clazz))
+                    throw new IllegalArgumentException("Addon class \"" + clazz + "\" must extend TerraAddon.");
+
+                set.add((Class<? extends TerraAddon>) clazz);
+            } catch(ClassNotFoundException e) {
+                throw new IllegalStateException(e); // this should literally never happen, if it does something is very wrong
+            }
+        }
+
+        return set;
+    }
+}
@@ -0,0 +1,42 @@
+package com.dfsek.terra.addon;
+
+import com.dfsek.terra.addon.exception.AddonLoadException;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public class AddonPool {
+    private final Map<String, PreLoadAddon> pool = new HashMap<>();
+
+    public void add(PreLoadAddon addon) throws AddonLoadException {
+        if(pool.containsKey(addon.getId())) {
+            String message = "Duplicate addon ID: " +
+                    addon.getId() + "; original ID from file: " +
+                    pool.get(addon.getId()).getFile().getAbsolutePath() +
+                    ", class: " +
+                    pool.get(addon.getId()).getAddonClass().getCanonicalName() +
+                    "Duplicate ID from file: " +
+                    addon.getFile().getAbsolutePath() +
+                    ", class: " +
+                    addon.getAddonClass().getCanonicalName();
+            throw new AddonLoadException(message);
+        }
+        pool.put(addon.getId(), addon);
+    }
+
+    public PreLoadAddon get(String id) {
+        return pool.get(id);
+    }
+
+    public void buildAll() throws AddonLoadException {
+        for(PreLoadAddon value : pool.values()) {
+            value.rebuildDependencies(this, value, true);
+        }
+    }
+
+    public Set<PreLoadAddon> getAddons() {
+        return new HashSet<>(pool.values());
+    }
+}
@@ -0,0 +1,58 @@
+package com.dfsek.terra.addon;
+
+import com.dfsek.terra.addon.exception.AddonLoadException;
+import com.dfsek.terra.addon.exception.CircularDependencyException;
+import com.dfsek.terra.addon.exception.DependencyMissingException;
+import com.dfsek.terra.api.addons.TerraAddon;
+import com.dfsek.terra.api.addons.annotations.Addon;
+import com.dfsek.terra.api.addons.annotations.Depends;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class PreLoadAddon {
+    private final List<PreLoadAddon> depends = new ArrayList<>();
+    private final Class<? extends TerraAddon> addonClass;
+    private final String id;
+    private final String[] dependencies;
+    private final File file;
+
+    public PreLoadAddon(Class<? extends TerraAddon> addonClass, File file) {
+        this.addonClass = addonClass;
+        this.id = addonClass.getAnnotation(Addon.class).value();
+        this.file = file;
+        Depends depends = addonClass.getAnnotation(Depends.class);
+        this.dependencies = depends == null ? new String[] {} : depends.value();
+    }
+
+    public List<PreLoadAddon> getDepends() {
+        return depends;
+    }
+
+    public void rebuildDependencies(AddonPool pool, PreLoadAddon origin, boolean levelG1) throws AddonLoadException {
+        if(this.equals(origin) && !levelG1)
+            throw new CircularDependencyException("Detected circular dependency in addon \"" + id + "\", dependencies: " + Arrays.toString(dependencies));
+
+        for(String dependency : dependencies) {
+            PreLoadAddon preLoadAddon = pool.get(dependency);
+            if(preLoadAddon == null)
+                throw new DependencyMissingException("Dependency " + dependency + " was not found. Please install " + dependency + " to use " + id + ".");
+            depends.add(preLoadAddon);
+            preLoadAddon.rebuildDependencies(pool, origin, false);
+        }
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public Class<? extends TerraAddon> getAddonClass() {
+        return addonClass;
+    }
+
+    public File getFile() {
+        return file;
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.addon.exception;
+
+public class AddonLoadException extends Exception {
+    private static final long serialVersionUID = -4949084729296580176L;
+
+    public AddonLoadException(String message) {
+        super(message);
+    }
+
+    public AddonLoadException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.addon.exception;
+
+public class CircularDependencyException extends AddonLoadException {
+    private static final long serialVersionUID = 7398510879124125121L;
+
+    public CircularDependencyException(String message) {
+        super(message);
+    }
+
+    public CircularDependencyException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.addon.exception;
+
+public class DependencyMissingException extends AddonLoadException {
+    private static final long serialVersionUID = -8419489102208521583L;
+
+    public DependencyMissingException(String message) {
+        super(message);
+    }
+
+    public DependencyMissingException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,7 @@
+package com.dfsek.terra.api;
+
+import com.dfsek.tectonic.loading.TypeRegistry;
+
+public interface LoaderRegistrar {
+    void register(TypeRegistry registry);
+}
@@ -0,0 +1,78 @@
+package com.dfsek.terra.api;
+
+import com.dfsek.terra.api.addons.TerraAddon;
+import com.dfsek.terra.api.event.EventManager;
+import com.dfsek.terra.api.platform.handle.ItemHandle;
+import com.dfsek.terra.api.platform.handle.WorldHandle;
+import com.dfsek.terra.api.platform.world.World;
+import com.dfsek.terra.api.registry.CheckedRegistry;
+import com.dfsek.terra.api.registry.LockedRegistry;
+import com.dfsek.terra.api.util.JarUtil;
+import com.dfsek.terra.api.util.logging.DebugLogger;
+import com.dfsek.terra.api.util.logging.Logger;
+import com.dfsek.terra.config.PluginConfig;
+import com.dfsek.terra.config.lang.Language;
+import com.dfsek.terra.config.pack.ConfigPack;
+import com.dfsek.terra.profiler.Profiler;
+import com.dfsek.terra.world.TerraWorld;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.jar.JarFile;
+
+/**
+ * Represents a Terra mod/plugin instance.
+ */
+public interface TerraPlugin extends LoaderRegistrar {
+    WorldHandle getWorldHandle();
+
+    TerraWorld getWorld(World world);
+
+    Logger logger();
+
+    PluginConfig getTerraConfig();
+
+    File getDataFolder();
+
+    boolean isDebug();
+
+    Language getLanguage();
+
+    CheckedRegistry<ConfigPack> getConfigRegistry();
+
+    LockedRegistry<TerraAddon> getAddons();
+
+    boolean reload();
+
+    ItemHandle getItemHandle();
+
+    void saveDefaultConfig();
+
+    String platformName();
+
+    DebugLogger getDebugLogger();
+
+    EventManager getEventManager();
+
+    default String getVersion() {
+        return "@VERSION@";
+    }
+
+    /**
+     * Runs a task that may or may not be thread safe, depending on platform.
+     * <p>
+     * Allows platforms to define what code is safe to be run asynchronously.
+     *
+     * @param task Task to be run.
+     */
+    default void runPossiblyUnsafeTask(Runnable task) {
+        task.run();
+    }
+
+    Profiler getProfiler();
+
+    default JarFile getModJar() throws URISyntaxException, IOException {
+        return JarUtil.getJarFile();
+    }
+}
@@ -0,0 +1,49 @@
+package com.dfsek.terra.api.addons;
+
+
+import com.dfsek.terra.api.addons.annotations.Addon;
+import com.dfsek.terra.api.addons.annotations.Author;
+import com.dfsek.terra.api.addons.annotations.Version;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Represents an entry point for an addon. Implementations must be annotated with {@link Addon}.
+ */
+public abstract class TerraAddon {
+    /**
+     * Gets the version of this addon.
+     *
+     * @return Addon version.
+     */
+    public final @NotNull String getVersion() {
+        Version version = getClass().getAnnotation(Version.class);
+        return version == null ? "0.1.0" : version.value();
+    }
+
+    /**
+     * Gets the author of this addon.
+     *
+     * @return Addon author.
+     */
+    public final @NotNull String getAuthor() {
+        Author author = getClass().getAnnotation(Author.class);
+        return author == null ? "Anon Y. Mous" : author.value();
+    }
+
+    /**
+     * Gets the name (ID) of this addon.
+     *
+     * @return Addon ID.
+     */
+    public final @NotNull String getName() {
+        Addon addon = getClass().getAnnotation(Addon.class);
+        if(addon == null)
+            throw new IllegalStateException("Addon annotation not present"); // This should never happen; the presence of this annotation is checked by the addon loader.
+        return addon.value();
+    }
+
+    /**
+     * Invoked immediately after an addon is loaded.
+     */
+    public abstract void initialize();
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.addons.annotations;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Specifies that the annotated class is an entry point for a Terra addon.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Addon {
+    /**
+     * @return The ID of the addon.
+     */
+    @NotNull String value();
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.addons.annotations;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Optional annotation that specifies the author of an addon.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface Author {
+    /**
+     * @return Name of the addon author.
+     */
+    @NotNull String value();
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.addons.annotations;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Optional annotation that specifies dependencies of an addon.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Depends {
+    /**
+     * @return All addons this addon is dependent upon.
+     */
+    @NotNull String[] value();
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.addons.annotations;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Optional annotation that specifies the version of an addon.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Version {
+    /**
+     * @return Version of the addon.
+     */
+    @NotNull String value();
+}
@@ -0,0 +1,17 @@
+package com.dfsek.terra.api.command;
+
+import com.dfsek.terra.api.command.exception.CommandException;
+import com.dfsek.terra.api.command.exception.MalformedCommandException;
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.util.List;
+
+public interface CommandManager {
+    void execute(String command, CommandSender sender, List<String> args) throws CommandException;
+
+    void register(String name, Class<? extends CommandTemplate> clazz) throws MalformedCommandException;
+
+    List<String> tabComplete(String command, CommandSender sender, List<String> args) throws CommandException;
+
+    int getMaxArgumentDepth();
+}
@@ -0,0 +1,7 @@
+package com.dfsek.terra.api.command;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+public interface CommandTemplate {
+    void execute(CommandSender sender);
+}
@@ -0,0 +1,38 @@
+package com.dfsek.terra.api.command;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public final class ExecutionState {
+    private final Set<String> switches = new HashSet<>();
+    private final Map<String, String> args = new HashMap<>();
+    private final CommandSender sender;
+
+    protected ExecutionState(CommandSender sender) {
+        this.sender = sender;
+    }
+
+    protected void addSwitch(String flag) {
+        switches.add(flag);
+    }
+
+    protected void addArgument(String arg, String value) {
+        args.put(arg, value);
+    }
+
+    public String getArgument(String argument) {
+        return args.get(argument);
+    }
+
+    public boolean hasSwitch(String flag) {
+        return switches.contains(flag);
+    }
+
+    public CommandSender getSender() {
+        return sender;
+    }
+}
@@ -0,0 +1,283 @@
+package com.dfsek.terra.api.command;
+
+import com.dfsek.terra.api.TerraPlugin;
+import com.dfsek.terra.api.command.annotation.Argument;
+import com.dfsek.terra.api.command.annotation.Command;
+import com.dfsek.terra.api.command.annotation.Subcommand;
+import com.dfsek.terra.api.command.annotation.Switch;
+import com.dfsek.terra.api.command.annotation.inject.ArgumentTarget;
+import com.dfsek.terra.api.command.annotation.inject.SwitchTarget;
+import com.dfsek.terra.api.command.annotation.type.DebugCommand;
+import com.dfsek.terra.api.command.annotation.type.PlayerCommand;
+import com.dfsek.terra.api.command.annotation.type.WorldCommand;
+import com.dfsek.terra.api.command.arg.ArgumentParser;
+import com.dfsek.terra.api.command.exception.CommandException;
+import com.dfsek.terra.api.command.exception.ExecutionException;
+import com.dfsek.terra.api.command.exception.InvalidArgumentsException;
+import com.dfsek.terra.api.command.exception.MalformedCommandException;
+import com.dfsek.terra.api.command.exception.SwitchFormatException;
+import com.dfsek.terra.api.command.tab.TabCompleter;
+import com.dfsek.terra.api.injection.Injector;
+import com.dfsek.terra.api.injection.exception.InjectionException;
+import com.dfsek.terra.api.platform.CommandSender;
+import com.dfsek.terra.api.platform.entity.Player;
+import com.dfsek.terra.api.util.ReflectionUtil;
+import com.dfsek.terra.world.TerraWorld;
+import net.jafama.FastMath;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public class TerraCommandManager implements CommandManager {
+    private final Map<String, CommandHolder> commands = new HashMap<>();
+    private final Injector<TerraPlugin> pluginInjector;
+    private final TerraPlugin main;
+
+    public TerraCommandManager(TerraPlugin main) {
+        this.main = main;
+        this.pluginInjector = new Injector<>(main);
+        pluginInjector.addExplicitTarget(TerraPlugin.class);
+    }
+
+    @Override
+    public void execute(String commandName, CommandSender sender, List<String> argsIn) throws CommandException {
+        if(!commands.containsKey(commandName)) throw new InvalidArgumentsException("No such command \"" + commandName + "\"");
+        execute(commands.get(commandName), sender, new ArrayList<>(argsIn));
+    }
+
+    private void execute(CommandHolder commandHolder, CommandSender sender, List<String> args) throws CommandException {
+        Class<? extends CommandTemplate> commandClass = commandHolder.clazz;
+
+        if(commandClass.isAnnotationPresent(DebugCommand.class) && !main.isDebug()) {
+            sender.sendMessage("Command must be executed with debug mode enabled.");
+            return;
+        }
+
+        if(commandClass.isAnnotationPresent(PlayerCommand.class) && !(sender instanceof Player)) {
+            sender.sendMessage("Command must be executed by player.");
+            return;
+        }
+
+        if(commandClass.isAnnotationPresent(WorldCommand.class) && (!(sender instanceof Player) || !(((Player) sender).getWorld()).isTerraWorld())) {
+            sender.sendMessage("Command must be executed in a Terra world.");
+            return;
+        }
+
+        List<String> ogArgs = new ArrayList<>(args);
+
+        ExecutionState state = new ExecutionState(sender);
+
+        if(!commandClass.isAnnotationPresent(Command.class)) {
+            invoke(commandClass, state, commandHolder);
+            return;
+        }
+
+        Command command = commandClass.getAnnotation(Command.class);
+
+        if(command.arguments().length == 0 && command.subcommands().length == 0) {
+            if(args.isEmpty()) {
+                invoke(commandClass, state, commandHolder);
+                return;
+            } else throw new InvalidArgumentsException("Expected 0 arguments, found " + args.size());
+        }
+
+        if(!args.isEmpty() && commandHolder.subcommands.containsKey(args.get(0))) {
+            String c = args.get(0);
+            args.remove(0);
+            execute(commandHolder.subcommands.get(c), sender, args);
+            return;
+        }
+
+        boolean req = true;
+        for(Argument argument : command.arguments()) {
+            if(!req && argument.required()) {
+                throw new MalformedCommandException("Required arguments must come first! Arguments: " + Arrays.toString(command.arguments()));
+            }
+            req = argument.required();
+
+            if(args.isEmpty()) {
+                if(req) throw new InvalidArgumentsException("Invalid arguments: " + ogArgs + ", usage: " + command.usage());
+                break;
+            }
+
+            String arg = args.get(0);
+
+            if(arg.startsWith("-")) { // switches have started.
+                if(req) throw new InvalidArgumentsException("Switches must come after arguments.");
+                break;
+            }
+
+            state.addArgument(argument.value(), args.remove(0));
+        }
+
+        while(!args.isEmpty()) {
+            String aSwitch = args.remove(0);
+            if(!aSwitch.startsWith("-")) throw new SwitchFormatException("Invalid switch \"" + aSwitch + "\"");
+
+            String val = aSwitch.substring(1); // remove dash
+
+            if(!commandHolder.switches.containsKey(val)) throw new SwitchFormatException("No such switch \"" + aSwitch + "\"");
+
+            state.addSwitch(commandHolder.switches.get(val));
+        }
+
+        invoke(commandClass, state, commandHolder);
+    }
+
+    private void invoke(Class<? extends CommandTemplate> clazz, ExecutionState state, CommandHolder holder) throws CommandException {
+        try {
+            CommandTemplate template = clazz.getConstructor().newInstance();
+
+            pluginInjector.inject(template);
+
+            for(Field field : ReflectionUtil.getFields(clazz)) {
+                if(field.isAnnotationPresent(ArgumentTarget.class)) {
+                    ArgumentTarget argumentTarget = field.getAnnotation(ArgumentTarget.class);
+                    if(!holder.argumentMap.containsKey(argumentTarget.value())) {
+                        throw new MalformedCommandException("Argument Target specifies nonexistent argument \"" + argumentTarget.value() + "\"");
+                    }
+
+                    String argument = argumentTarget.value();
+
+                    ArgumentParser<?> argumentParser = holder.argumentMap.get(argumentTarget.value()).argumentParser().getConstructor().newInstance();
+
+                    pluginInjector.inject(argumentParser);
+
+                    field.setAccessible(true);
+                    String value = state.getArgument(argument);
+
+                    if(value == null) value = holder.argumentMap.get(argumentTarget.value()).defaultValue();
+
+                    field.set(template, argumentParser.parse(state.getSender(), value));
+                }
+                if(field.isAnnotationPresent(SwitchTarget.class)) {
+                    SwitchTarget switchTarget = field.getAnnotation(SwitchTarget.class);
+                    if(!holder.switches.containsValue(switchTarget.value())) {
+                        throw new MalformedCommandException("Switch Target specifies nonexistent switch \"" + switchTarget.value() + "\"");
+                    }
+
+                    if(!(field.getType() == boolean.class)) {
+                        throw new MalformedCommandException("Switch Target must be of type boolean.");
+                    }
+
+                    field.setAccessible(true);
+                    field.setBoolean(template, state.hasSwitch(switchTarget.value()));
+                }
+            }
+
+            try {
+                template.execute(state.getSender());
+            } catch(Throwable e) {
+                throw new ExecutionException("Failed to execute command: " + e.getMessage(), e);
+            }
+        } catch(InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException | InjectionException e) {
+            throw new MalformedCommandException("Unable to reflectively instantiate command: ", e);
+        }
+    }
+
+    @Override
+    public void register(String name, Class<? extends CommandTemplate> clazz) throws MalformedCommandException {
+        commands.put(name, new CommandHolder(clazz));
+    }
+
+    @Override
+    public List<String> tabComplete(String command, CommandSender sender, List<String> args) throws CommandException {
+        if(args.isEmpty()) return new ArrayList<>(commands.keySet()).stream().sorted(String::compareTo).collect(Collectors.toList());
+        if(!commands.containsKey(command)) return Collections.emptyList();
+        return tabComplete(commands.get(command), sender, new ArrayList<>(args)).stream().filter(s -> s.toLowerCase().startsWith(args.get(args.size() - 1).toLowerCase())).sorted(String::compareTo).collect(Collectors.toList());
+    }
+
+    @Override
+    public int getMaxArgumentDepth() {
+        int max = 0;
+        for(CommandHolder value : commands.values()) {
+            max = FastMath.max(getMaxArgumentDepth(value), max);
+        }
+        return max;
+    }
+
+    private int getMaxArgumentDepth(CommandHolder holder) {
+        int max = 0;
+        max = FastMath.max(holder.arguments.size() + holder.switchList.size(), max);
+        for(CommandHolder value : holder.subcommands.values()) {
+            max = FastMath.max(max, getMaxArgumentDepth(value) + 1);
+        }
+        return max;
+    }
+
+    private List<String> tabComplete(CommandHolder holder, CommandSender sender, List<String> args) throws CommandException {
+        if(args.isEmpty()) return Collections.emptyList();
+        List<String> completions = new ArrayList<>();
+
+        if(args.size() == 1) {
+            completions.addAll(holder.subcommands.keySet());
+        }
+
+        if(holder.subcommands.containsKey(args.get(0))) {
+            List<String> newArgs = new ArrayList<>(args);
+            newArgs.remove(0);
+            completions.addAll(tabComplete(holder.subcommands.get(args.get(0)), sender, newArgs));
+        }
+        try {
+            if(args.size() <= holder.arguments.size()) {
+                TabCompleter completer = holder.arguments.get(args.size() - 1).tabCompleter().getConstructor().newInstance();
+                pluginInjector.inject(completer);
+                completions.addAll(completer.complete(sender));
+            }
+        } catch(InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException | InjectionException e) {
+            throw new MalformedCommandException("Unable to reflectively instantiate tab-completer: ", e);
+        }
+        return completions;
+    }
+
+    /**
+     * Pre-processes command metadata.
+     */
+    private static final class CommandHolder {
+        private final Class<? extends CommandTemplate> clazz;
+        private final Map<String, CommandHolder> subcommands = new HashMap<>();
+        private final Map<String, String> switches = new HashMap<>();
+        private final List<Argument> arguments;
+        private final List<Switch> switchList;
+        private final Map<String, Argument> argumentMap = new HashMap<>();
+
+        private CommandHolder(Class<? extends CommandTemplate> clazz) throws MalformedCommandException {
+            this.clazz = clazz;
+            if(clazz.isAnnotationPresent(Command.class)) {
+                Command command = clazz.getAnnotation(Command.class);
+                for(Subcommand subcommand : command.subcommands()) {
+                    if(subcommands.containsKey(subcommand.value()))
+                        throw new MalformedCommandException("Duplicate subcommand: " + subcommand);
+                    CommandHolder holder = new CommandHolder(subcommand.clazz());
+                    subcommands.put(subcommand.value(), holder);
+                    for(String alias : subcommand.aliases()) {
+                        subcommands.put(alias, holder);
+                    }
+                }
+                for(Switch aSwitch : command.switches()) {
+                    if(switches.containsKey(aSwitch.value())) throw new MalformedCommandException("Duplicate switch: " + aSwitch);
+                    switches.put(aSwitch.value(), aSwitch.value());
+                    for(String alias : aSwitch.aliases()) {
+                        switches.put(alias, aSwitch.value());
+                    }
+                }
+                for(Argument argument : command.arguments()) {
+                    if(argumentMap.containsKey(argument.value())) throw new MalformedCommandException("Duplicate argument: " + argument);
+                    argumentMap.put(argument.value(), argument);
+                }
+                arguments = Arrays.asList(command.arguments());
+                switchList = Arrays.asList(command.switches());
+            } else {
+                arguments = Collections.emptyList();
+                switchList = Collections.emptyList();
+            }
+        }
+    }
+}
@@ -0,0 +1,25 @@
+package com.dfsek.terra.api.command.annotation;
+
+import com.dfsek.terra.api.command.arg.ArgumentParser;
+import com.dfsek.terra.api.command.arg.StringArgumentParser;
+import com.dfsek.terra.api.command.tab.NothingCompleter;
+import com.dfsek.terra.api.command.tab.TabCompleter;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.ANNOTATION_TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Argument {
+    String value();
+
+    boolean required() default true;
+
+    Class<? extends TabCompleter> tabCompleter() default NothingCompleter.class;
+
+    Class<? extends ArgumentParser<?>> argumentParser() default StringArgumentParser.class;
+
+    String defaultValue() default "";
+}
@@ -0,0 +1,18 @@
+package com.dfsek.terra.api.command.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Command {
+    Argument[] arguments() default {};
+
+    Switch[] switches() default {};
+
+    Subcommand[] subcommands() default {};
+
+    String usage() default "";
+}
@@ -0,0 +1,18 @@
+package com.dfsek.terra.api.command.annotation;
+
+import com.dfsek.terra.api.command.CommandTemplate;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.ANNOTATION_TYPE)
+public @interface Subcommand {
+    String value();
+
+    String[] aliases() default {};
+
+    Class<? extends CommandTemplate> clazz();
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.command.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.ANNOTATION_TYPE)
+public @interface Switch {
+    String value();
+
+    String[] aliases() default {};
+}
@@ -0,0 +1,12 @@
+package com.dfsek.terra.api.command.annotation.inject;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface ArgumentTarget {
+    String value();
+}
@@ -0,0 +1,12 @@
+package com.dfsek.terra.api.command.annotation.inject;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface SwitchTarget {
+    String value();
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.command.annotation.type;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Command may only be executed with debug mode enabled.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface DebugCommand {
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.command.annotation.type;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Marks command as player-only
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface PlayerCommand {
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.command.annotation.type;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Command may only be executed in a Terra world.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface WorldCommand {
+}
@@ -0,0 +1,7 @@
+package com.dfsek.terra.api.command.arg;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+public interface ArgumentParser<T> {
+    T parse(CommandSender sender, String arg);
+}
@@ -0,0 +1,10 @@
+package com.dfsek.terra.api.command.arg;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+public class DoubleArgumentParser implements ArgumentParser<Double> {
+    @Override
+    public Double parse(CommandSender sender, String arg) {
+        return arg == null ? null : Double.parseDouble(arg);
+    }
+}
@@ -0,0 +1,10 @@
+package com.dfsek.terra.api.command.arg;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+public class IntegerArgumentParser implements ArgumentParser<Integer> {
+    @Override
+    public Integer parse(CommandSender sender, String arg) {
+        return arg == null ? null : Integer.parseInt(arg);
+    }
+}
@@ -0,0 +1,10 @@
+package com.dfsek.terra.api.command.arg;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+public class StringArgumentParser implements ArgumentParser<String> {
+    @Override
+    public String parse(CommandSender sender, String arg) {
+        return arg;
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.command.exception;
+
+public abstract class CommandException extends Exception {
+    private static final long serialVersionUID = -2955328495045879822L;
+
+    public CommandException(String message) {
+        super(message);
+    }
+
+    public CommandException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.command.exception;
+
+public class ExecutionException extends CommandException {
+    private static final long serialVersionUID = -6345523475880607959L;
+
+    public ExecutionException(String message) {
+        super(message);
+    }
+
+    public ExecutionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.command.exception;
+
+public class InvalidArgumentsException extends CommandException {
+    private static final long serialVersionUID = 7563619667472569824L;
+
+    public InvalidArgumentsException(String message) {
+        super(message);
+    }
+
+    public InvalidArgumentsException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,16 @@
+package com.dfsek.terra.api.command.exception;
+
+/**
+ * Thrown when command is incorrectly defined.
+ */
+public class MalformedCommandException extends CommandException {
+    private static final long serialVersionUID = -5417760860407895496L;
+
+    public MalformedCommandException(String message) {
+        super(message);
+    }
+
+    public MalformedCommandException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.command.exception;
+
+public class SwitchFormatException extends CommandException {
+    private static final long serialVersionUID = -965858989317844628L;
+
+    public SwitchFormatException(String message) {
+        super(message);
+    }
+
+    public SwitchFormatException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.command.tab;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.util.Collections;
+import java.util.List;
+
+public class NothingCompleter implements TabCompleter {
+    @Override
+    public List<String> complete(CommandSender sender) {
+        return Collections.emptyList();
+    }
+}
@@ -0,0 +1,9 @@
+package com.dfsek.terra.api.command.tab;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.util.List;
+
+public interface TabCompleter {
+    List<String> complete(CommandSender sender);
+}
@@ -0,0 +1,12 @@
+package com.dfsek.terra.api.event;
+
+import com.dfsek.terra.api.event.events.Event;
+
+/**
+ * Marker interface for a class that contains event listener methods.
+ *
+ * @see Event
+ * @see EventManager
+ */
+public interface EventListener {
+}
@@ -0,0 +1,25 @@
+package com.dfsek.terra.api.event;
+
+import com.dfsek.terra.api.addons.TerraAddon;
+import com.dfsek.terra.api.event.events.Event;
+
+/**
+ * Manages event registration and triggering.
+ */
+public interface EventManager {
+    /**
+     * Call an event, and return the execution status.
+     *
+     * @param event Event to pass to all registered EventListeners.
+     * @return False if the event is cancellable and has been cancelled, otherwise true.
+     */
+    boolean callEvent(Event event);
+
+    /**
+     * Register an {@link EventListener} under an {@link TerraAddon}.
+     *
+     * @param addon    Addon to register listener for.
+     * @param listener Listener to register.
+     */
+    void registerListener(TerraAddon addon, EventListener listener);
+}
@@ -0,0 +1,110 @@
+package com.dfsek.terra.api.event;
+
+import com.dfsek.terra.api.TerraPlugin;
+import com.dfsek.terra.api.addons.TerraAddon;
+import com.dfsek.terra.api.event.annotations.Global;
+import com.dfsek.terra.api.event.annotations.Priority;
+import com.dfsek.terra.api.event.events.Cancellable;
+import com.dfsek.terra.api.event.events.Event;
+import com.dfsek.terra.api.event.events.PackEvent;
+import com.dfsek.terra.api.util.ReflectionUtil;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class TerraEventManager implements EventManager {
+    private final Map<Class<? extends Event>, List<ListenerHolder>> listeners = new HashMap<>();
+    private final TerraPlugin main;
+
+    public TerraEventManager(TerraPlugin main) {
+        this.main = main;
+    }
+
+    @Override
+    public boolean callEvent(Event event) {
+        listeners.getOrDefault(event.getClass(), Collections.emptyList()).forEach(listenerHolder -> {
+                    try {
+                        if(event instanceof PackEvent && !listenerHolder.global) {
+                            PackEvent packEvent = (PackEvent) event;
+                            if(packEvent
+                                    .getPack()
+                                    .getTemplate()
+                                    .getAddons()
+                                    .contains(listenerHolder.addon)) {
+                                listenerHolder.method.invoke(listenerHolder.listener, event);
+                            }
+                        } else {
+                            listenerHolder.method.invoke(listenerHolder.listener, event);
+                        }
+                    } catch(InvocationTargetException e) {
+                        StringWriter writer = new StringWriter();
+                        e.getTargetException().printStackTrace(new PrintWriter(writer));
+                        main.logger().warning("Exception occurred during event handling:");
+                        main.logger().warning(writer.toString());
+                        main.logger().warning("Report this to the maintainers of " + listenerHolder.method.getName());
+                    } catch(Exception e) {
+                        StringWriter writer = new StringWriter();
+                        e.printStackTrace(new PrintWriter(writer));
+                        main.logger().warning("Exception occurred during event handling:");
+                        main.logger().warning(writer.toString());
+                        main.logger().warning("Report this to the maintainers of " + listenerHolder.method.getName());
+                    }
+                }
+        );
+        if(event instanceof Cancellable) return !((Cancellable) event).isCancelled();
+        return true;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void registerListener(TerraAddon addon, EventListener listener) {
+        Class<? extends EventListener> listenerClass = listener.getClass();
+        Method[] methods = ReflectionUtil.getMethods(listenerClass);
+
+        for(Method method : methods) {
+            if(method.getParameterCount() != 1) continue; // Check that parameter count is only 1.
+            Class<?> eventParam = method.getParameterTypes()[0];
+            if(!Event.class.isAssignableFrom(eventParam)) continue; // Check that parameter is an Event.
+
+            Priority p = method.getAnnotation(Priority.class);
+
+            int priority = p == null ? 0 : p.value();
+
+            method.setAccessible(true);
+
+            List<ListenerHolder> holders = listeners.computeIfAbsent((Class<? extends Event>) eventParam, e -> new ArrayList<>());
+
+            holders.add(new ListenerHolder(method, listener, priority, addon, method.getAnnotation(Global.class) != null));
+
+            holders.sort(Comparator.comparingInt(ListenerHolder::getPriority)); // Sort priorities.
+        }
+    }
+
+    private static final class ListenerHolder {
+        private final Method method;
+        private final EventListener listener;
+        private final int priority;
+        private final TerraAddon addon;
+        private final boolean global;
+
+        private ListenerHolder(Method method, EventListener listener, int priority, TerraAddon addon, boolean global) {
+            this.method = method;
+            this.listener = listener;
+            this.priority = priority;
+            this.addon = addon;
+            this.global = global;
+        }
+
+        public int getPriority() {
+            return priority;
+        }
+    }
+}
@@ -0,0 +1,17 @@
+package com.dfsek.terra.api.event.annotations;
+
+import com.dfsek.terra.api.event.events.PackEvent;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Specifies that an event handler is to handle all {@link PackEvent}s, regardless of whether the pack
+ * depends on the addon's listener.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface Global {
+}
@@ -0,0 +1,38 @@
+package com.dfsek.terra.api.event.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotated listener methods will have a specific priority set.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface Priority {
+    /**
+     * Highest possible priority. Listeners with this priority will always be invoked last.
+     */
+    int HIGHEST = Integer.MAX_VALUE;
+    /**
+     * Lowest possible priority. Listeners with this priority will always be invoked first.
+     */
+    int LOWEST = Integer.MIN_VALUE;
+    /**
+     * Default priority.
+     */
+    int NORMAL = 0;
+    /**
+     * High priority.
+     */
+    int HIGH = 1;
+    /**
+     * Low Priority.
+     */
+    int LOW = -1;
+    /**
+     * @return Priority of this event. Events are executed from lowest to highest priorities.
+     */
+    int value();
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.event.events;
+
+import com.dfsek.terra.api.util.mutable.MutableBoolean;
+
+/**
+ * Abstract class containing basic {@link Cancellable} implementation.
+ */
+public abstract class AbstractCancellable implements Cancellable {
+    private final MutableBoolean cancelled = new MutableBoolean(false);
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled.get();
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled.set(cancelled);
+    }
+}
@@ -0,0 +1,22 @@
+package com.dfsek.terra.api.event.events;
+
+/**
+ * Events that implement this interface may be cancelled.
+ * <p>
+ * Cancelling an event is assumed to stop the execution of whatever action triggered the event.
+ */
+public interface Cancellable extends Event {
+    /**
+     * Get the cancellation status of the event.
+     *
+     * @return Whether event is cancelled.
+     */
+    boolean isCancelled();
+
+    /**
+     * Set the cancellation status of the event.
+     *
+     * @param cancelled Whether event is cancelled.
+     */
+    void setCancelled(boolean cancelled);
+}
@@ -0,0 +1,7 @@
+package com.dfsek.terra.api.event.events;
+
+/**
+ * An event that addons may listen to.
+ */
+public interface Event {
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.event.events;
+
+import com.dfsek.terra.api.event.annotations.Global;
+import com.dfsek.terra.config.pack.ConfigPack;
+
+/**
+ * An event with functionality directly linked to a {@link ConfigPack}.
+ * <p>
+ * PackEvents are only invoked when the pack specifies the addon in its
+ * {@code addon} key (or when the listener is annotated {@link Global}).
+ */
+@SuppressWarnings("InterfaceMayBeAnnotatedFunctional")
+public interface PackEvent extends Event {
+    /**
+     * Get the {@link ConfigPack} associated with this event.
+     *
+     * @return ConfigPack associated with the event.
+     */
+    ConfigPack getPack();
+}
@@ -0,0 +1,37 @@
+package com.dfsek.terra.api.event.events.config;
+
+import com.dfsek.tectonic.config.ConfigTemplate;
+import com.dfsek.tectonic.exception.ConfigException;
+import com.dfsek.terra.api.event.events.PackEvent;
+import com.dfsek.terra.config.pack.ConfigPack;
+
+/**
+ * An event related to the loading process of config packs.
+ */
+public abstract class ConfigPackLoadEvent implements PackEvent {
+    private final ConfigPack pack;
+    private final ExceptionalConsumer<ConfigTemplate> configLoader;
+
+    public ConfigPackLoadEvent(ConfigPack pack, ExceptionalConsumer<ConfigTemplate> configLoader) {
+        this.pack = pack;
+        this.configLoader = configLoader;
+    }
+
+    @Override
+    public ConfigPack getPack() {
+        return pack;
+    }
+
+    /**
+     * Load a custom {@link ConfigTemplate} using the pack manifest.
+     *
+     * @param template Template to register.
+     */
+    public void loadTemplate(ConfigTemplate template) throws ConfigException {
+        configLoader.accept(template);
+    }
+
+    public interface ExceptionalConsumer<T extends ConfigTemplate> {
+        void accept(T value) throws ConfigException;
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.event.events.config;
+
+import com.dfsek.tectonic.config.ConfigTemplate;
+import com.dfsek.terra.config.pack.ConfigPack;
+
+/**
+ * Called when a config pack has finished loading.
+ */
+public class ConfigPackPostLoadEvent extends ConfigPackLoadEvent {
+    public ConfigPackPostLoadEvent(ConfigPack pack, ExceptionalConsumer<ConfigTemplate> loader) {
+        super(pack, loader);
+    }
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.event.events.config;
+
+import com.dfsek.tectonic.config.ConfigTemplate;
+import com.dfsek.tectonic.exception.ConfigException;
+import com.dfsek.terra.config.pack.ConfigPack;
+
+/**
+ * Called before a config pack's registries are filled. At this point, the pack manifest has been loaded, and all registries are empty.
+ */
+public class ConfigPackPreLoadEvent extends ConfigPackLoadEvent {
+    public ConfigPackPreLoadEvent(ConfigPack pack, ExceptionalConsumer<ConfigTemplate> configLoader) {
+        super(pack, configLoader);
+    }
+}
@@ -0,0 +1,31 @@
+package com.dfsek.terra.api.event.events.world;
+
+import com.dfsek.terra.api.event.events.PackEvent;
+import com.dfsek.terra.config.pack.ConfigPack;
+import com.dfsek.terra.config.pack.WorldConfig;
+import com.dfsek.terra.world.TerraWorld;
+
+/**
+ * Called upon initialization of a TerraWorld.
+ */
+public class TerraWorldLoadEvent implements PackEvent {
+    private final TerraWorld world;
+    private final ConfigPack pack;
+
+    public TerraWorldLoadEvent(TerraWorld world, ConfigPack pack) {
+        this.world = world;
+        this.pack = pack;
+    }
+
+    public TerraWorld getWorld() {
+        return world;
+    }
+
+    public ConfigPack getPack() {
+        return pack;
+    }
+
+    public WorldConfig getWorldConfig() {
+        return world.getConfig();
+    }
+}
@@ -0,0 +1,45 @@
+package com.dfsek.terra.api.event.events.world.generation;
+
+import com.dfsek.terra.api.event.events.PackEvent;
+import com.dfsek.terra.api.math.vector.Location;
+import com.dfsek.terra.api.platform.entity.Entity;
+import com.dfsek.terra.api.structures.structure.buffer.items.BufferedEntity;
+import com.dfsek.terra.config.pack.ConfigPack;
+
+/**
+ * Called when an entity is spawned via {@link BufferedEntity}.
+ */
+public class EntitySpawnEvent implements PackEvent {
+    private final ConfigPack pack;
+    private final Entity entity;
+    private final Location location;
+
+    public EntitySpawnEvent(ConfigPack pack, Entity entity, Location location) {
+        this.pack = pack;
+        this.entity = entity;
+        this.location = location;
+    }
+
+    @Override
+    public ConfigPack getPack() {
+        return pack;
+    }
+
+    /**
+     * Get the entity that triggered the event.
+     *
+     * @return The entity.
+     */
+    public Entity getEntity() {
+        return entity;
+    }
+
+    /**
+     * Get the location of the entity.
+     *
+     * @return Location of the entity.
+     */
+    public Location getLocation() {
+        return location;
+    }
+}
@@ -0,0 +1,80 @@
+package com.dfsek.terra.api.event.events.world.generation;
+
+import com.dfsek.terra.api.event.events.AbstractCancellable;
+import com.dfsek.terra.api.event.events.Cancellable;
+import com.dfsek.terra.api.event.events.PackEvent;
+import com.dfsek.terra.api.platform.block.Block;
+import com.dfsek.terra.api.platform.block.state.Container;
+import com.dfsek.terra.api.structures.loot.LootTable;
+import com.dfsek.terra.api.structures.script.StructureScript;
+import com.dfsek.terra.api.structures.structure.buffer.items.BufferedLootApplication;
+import com.dfsek.terra.config.pack.ConfigPack;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when loot is populated via {@link BufferedLootApplication}.
+ */
+public class LootPopulateEvent extends AbstractCancellable implements PackEvent, Cancellable {
+    private final Block block;
+    private final Container container;
+    private LootTable table;
+    private final ConfigPack pack;
+    private final StructureScript script;
+
+    public LootPopulateEvent(Block block, Container container, LootTable table, ConfigPack pack, StructureScript script) {
+        this.block = block;
+        this.container = container;
+        this.table = table;
+        this.pack = pack;
+        this.script = script;
+    }
+
+    @Override
+    public ConfigPack getPack() {
+        return pack;
+    }
+
+    /**
+     * Get the block containing the tile entity loot is applied to.
+     *
+     * @return Block at which loot is applied.
+     */
+    public Block getBlock() {
+        return block;
+    }
+
+    /**
+     * Get the {@link Container} representing the inventory.
+     *
+     * @return Inventory recieving loot.
+     */
+    public Container getContainer() {
+        return container;
+    }
+
+    /**
+     * Get the loot table to be populated.
+     * @return Loot table.
+     */
+    public LootTable getTable() {
+        return table;
+    }
+
+    /**
+     * Set the loot table to be populated.
+     *
+     * @param table New loot table.
+     */
+    public void setTable(@NotNull LootTable table) {
+        this.table = table;
+    }
+
+    /**
+     * Get the script used to generate the structure.
+     *
+     * @return Structure script.
+     */
+    public StructureScript getStructureScript() {
+        return script;
+    }
+}
@@ -0,0 +1,78 @@
+package com.dfsek.terra.api.injection;
+
+import com.dfsek.terra.api.injection.annotations.Inject;
+import com.dfsek.terra.api.injection.exception.InjectionException;
+import com.dfsek.terra.api.util.ReflectionUtil;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Dynamic dependency injector.
+ * <p>
+ * Stores an object to inject, and injects it into objects passed to {@link #inject(Object)}.
+ *
+ * @param <T> Type of object to inject.
+ */
+public class Injector<T> {
+    private final T value;
+    private final Set<Class<? extends T>> targets = new HashSet<>();
+
+    /**
+     * Instantiate an Injector with a value to inject
+     *
+     * @param value Value to inject
+     */
+    public Injector(T value) {
+        this.value = value;
+    }
+
+    /**
+     * Add an explicit class as a target. Useful for applications where subclasses may cause issues with DI.
+     *
+     * @param target Target class type.
+     */
+    public void addExplicitTarget(Class<? extends T> target) {
+        targets.add(target);
+    }
+
+    /**
+     * Inject the stored object into an object.
+     * <p>
+     * Injects the stored object into any non-static, non-final fields
+     * annotated with {@link Inject},
+     * with type matching the stored object or any explicit targets
+     * ({@link #addExplicitTarget(Class)}.
+     *
+     * @param object Object to inject into
+     * @throws InjectionException If:
+     *                            <ul>
+     *                                <li>Matching field annotated with {@link Inject} is final</li>
+     *                                <li>Matching field annotated with {@link Inject} is static</li>
+     *                                <li>A reflective access exception occurs</li>
+     *                            </ul>
+     */
+    public void inject(Object object) throws InjectionException {
+        for(Field field : ReflectionUtil.getFields(object.getClass())) {
+            Inject inject = field.getAnnotation(Inject.class);
+            if(inject == null) continue;
+            if(value.getClass().equals(field.getType()) || targets.contains(field.getType())) {
+                int mod = field.getModifiers();
+                if(Modifier.isFinal(mod)) {
+                    throw new InjectionException("Attempted to inject final field: " + field);
+                }
+                if(Modifier.isStatic(mod)) {
+                    throw new InjectionException("Attempted to inject static field: " + field);
+                }
+                field.setAccessible(true);
+                try {
+                    field.set(object, value);
+                } catch(IllegalAccessException e) {
+                    throw new InjectionException("Failed to inject field: " + field, e);
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.injection.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Specifies that a field is a target for dependency injection.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface Inject {
+}
@@ -0,0 +1,18 @@
+package com.dfsek.terra.api.injection.exception;
+
+import com.dfsek.terra.api.injection.Injector;
+
+/**
+ * Thrown when dynamic dependency injection cannot be completed by an {@link Injector}.
+ */
+public class InjectionException extends Exception {
+    private static final long serialVersionUID = -6929631447064215387L;
+
+    public InjectionException(String message) {
+        super(message);
+    }
+
+    public InjectionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
@@ -1,9 +1,8 @@
-package com.dfsek.terra.procgen;
+package com.dfsek.terra.api.math;

-import org.bukkit.util.Vector;
-import org.polydev.gaea.math.MathUtil;
-import org.polydev.gaea.util.FastRandom;
-import org.polydev.gaea.util.GlueList;
+import com.dfsek.terra.api.math.vector.Vector3;
+import com.dfsek.terra.api.util.FastRandom;
+import com.dfsek.terra.api.util.GlueList;

 import java.util.List;
 import java.util.Random;
@@ -14,10 +13,12 @@ import java.util.Random;
 public class GridSpawn {
    private final int separation;
    private final int width;
+    private final int salt;

-    public GridSpawn(int width, int separation) {
+    public GridSpawn(int width, int separation, int salt) {
        this.separation = separation;
        this.width = width;
+        this.salt = salt;
    }

    /**
@@ -28,18 +29,18 @@ public class GridSpawn {
     * @param seed Seed for RNG
     * @return Vector representing nearest spawnpoint
     */
-    public Vector getNearestSpawn(int x, int z, long seed) {
+    public Vector3 getNearestSpawn(int x, int z, long seed) {
        int structureChunkX = x / (width + 2 * separation);
        int structureChunkZ = z / (width + 2 * separation);
-        List<Vector> zones = new GlueList<>();
+        List<Vector3> zones = new GlueList<>();
        for(int xi = structureChunkX - 1; xi <= structureChunkX + 1; xi++) {
            for(int zi = structureChunkZ - 1; zi <= structureChunkZ + 1; zi++) {
                zones.add(getChunkSpawn(xi, zi, seed));
            }
        }
-        Vector shortest = zones.get(0);
-        Vector compare = new Vector(x, 0, z);
-        for(Vector v : zones) {
+        Vector3 shortest = zones.get(0);
+        Vector3 compare = new Vector3(x, 0, z);
+        for(Vector3 v : zones) {
            if(compare.distanceSquared(shortest) > compare.distanceSquared(v)) shortest = v.clone();
        }
        return shortest;
@@ -53,13 +54,13 @@ public class GridSpawn {
     * @param seed            Seed for RNG
     * @return Vector representing spawnpoint
     */
-    public Vector getChunkSpawn(int structureChunkX, int structureChunkZ, long seed) {
-        Random r = new FastRandom(MathUtil.getCarverChunkSeed(structureChunkX, structureChunkZ, seed));
+    public Vector3 getChunkSpawn(int structureChunkX, int structureChunkZ, long seed) {
+        Random r = new FastRandom(MathUtil.getCarverChunkSeed(structureChunkX, structureChunkZ, seed + salt));
        int offsetX = r.nextInt(width);
        int offsetZ = r.nextInt(width);
        int sx = structureChunkX * (width + 2 * separation) + offsetX;
        int sz = structureChunkZ * (width + 2 * separation) + offsetZ;
-        return new Vector(sx, 0, sz);
+        return new Vector3(sx, 0, sz);
    }

    public int getWidth() {
@@ -0,0 +1,193 @@
+package com.dfsek.terra.api.math;
+
+import com.dfsek.terra.api.util.FastRandom;
+import com.dfsek.terra.world.generation.math.samplers.Sampler;
+import net.jafama.FastMath;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Utility class for mathematical functions.
+ */
+public final class MathUtil {
+    /**
+     * Epsilon for fuzzy floating point comparisons.
+     */
+    public static final double EPSILON = 1.0E-5;
+    /**
+     * Derivative constant.
+     */
+    private static final double DERIVATIVE_DIST = 0.55;
+
+    /**
+     * Gets the standard deviation of an array of doubles.
+     *
+     * @param numArray The array of numbers to calculate the standard deviation of.
+     * @return double - The standard deviation.
+     */
+    public static double standardDeviation(List<Number> numArray) {
+        double sum = 0.0, standardDeviation = 0.0;
+        int length = numArray.size();
+
+        for(Number num : numArray) {
+            sum += num.doubleValue();
+        }
+
+        double mean = sum / length;
+
+        for(Number num : numArray) {
+            standardDeviation += FastMath.pow2(num.doubleValue() - mean);
+        }
+
+        return FastMath.sqrt(standardDeviation / length);
+    }
+
+    /**
+     * Gets the carver seed for a chunk.
+     *
+     * @param chunkX Chunk's X coordinate
+     * @param chunkZ Chunk's Z coordinate
+     * @param seed   World seed
+     * @return long - The carver seed.
+     */
+    public static long getCarverChunkSeed(int chunkX, int chunkZ, long seed) {
+        Random r = new FastRandom(seed);
+        return chunkX * r.nextLong() ^ chunkZ * r.nextLong() ^ seed;
+    }
+
+    public static long hashToLong(String s) {
+        if(s == null) {
+            return 0;
+        }
+        long hash = 0;
+        for(char c : s.toCharArray()) {
+            hash = 31L * hash + c;
+        }
+        return hash;
+    }
+
+    /**
+     * Compare 2 floating-point values with epsilon to account for rounding errors
+     *
+     * @param a Value 1
+     * @param b Value 2
+     * @return Whether these values are equal
+     */
+    public static boolean equals(double a, double b) {
+        return a == b || FastMath.abs(a - b) < EPSILON;
+    }
+
+    public static double derivative(Sampler sampler, double x, double y, double z) {
+        double baseSample = sampler.sample(x, y, z);
+
+        double xVal1 = (sampler.sample(x + DERIVATIVE_DIST, y, z) - baseSample) / DERIVATIVE_DIST;
+        double xVal2 = (sampler.sample(x - DERIVATIVE_DIST, y, z) - baseSample) / DERIVATIVE_DIST;
+        double zVal1 = (sampler.sample(x, y, z + DERIVATIVE_DIST) - baseSample) / DERIVATIVE_DIST;
+        double zVal2 = (sampler.sample(x, y, z - DERIVATIVE_DIST) - baseSample) / DERIVATIVE_DIST;
+        double yVal1 = (sampler.sample(x, y + DERIVATIVE_DIST, z) - baseSample) / DERIVATIVE_DIST;
+        double yVal2 = (sampler.sample(x, y - DERIVATIVE_DIST, z) - baseSample) / DERIVATIVE_DIST;
+
+        return Math.sqrt(((xVal2 - xVal1) * (xVal2 - xVal1)) + ((zVal2 - zVal1) * (zVal2 - zVal1)) + ((yVal2 - yVal1) * (yVal2 - yVal1)));
+    }
+
+    public static int normalizeIndex(double val, int size) {
+        return FastMath.max(FastMath.min(FastMath.floorToInt(((val + 1D) / 2D) * size), size - 1), 0);
+    }
+
+    public static long squash(int first, int last) {
+        return (((long) first) << 32) | (last & 0xffffffffL);
+    }
+
+    /**
+     * Clamp value to range of [-1, 1]
+     *
+     * @param in Value to clamp
+     * @return Clamped value
+     */
+    public static double clamp(double in) {
+        return FastMath.min(FastMath.max(in, -1), 1);
+    }
+
+    /**
+     * Compute the value in a normally distributed data set that has probability p.
+     *
+     * @param p     Probability of value
+     * @param mu    Mean of data
+     * @param sigma Standard deviation of data
+     * @return Value corresponding to input probability
+     */
+    public static double normalInverse(double p, double mu, double sigma) {
+        if(p < 0 || p > 1)
+            throw new IllegalArgumentException("Probability must be in range [0, 1]");
+        if(sigma < 0)
+            throw new IllegalArgumentException("Standard deviation must be positive.");
+        if(p == 0)
+            return Double.NEGATIVE_INFINITY;
+        if(p == 1)
+            return Double.POSITIVE_INFINITY;
+        if(sigma == 0)
+            return mu;
+        double q, r, val;
+
+        q = p - 0.5;
+
+        if(FastMath.abs(q) <= .425) {
+            r = .180625 - q * q;
+            val =
+                    q * (((((((r * 2509.0809287301226727 +
+                            33430.575583588128105) * r + 67265.770927008700853) * r +
+                            45921.953931549871457) * r + 13731.693765509461125) * r +
+                            1971.5909503065514427) * r + 133.14166789178437745) * r +
+                            3.387132872796366608)
+                            / (((((((r * 5226.495278852854561 +
+                            28729.085735721942674) * r + 39307.89580009271061) * r +
+                            21213.794301586595867) * r + 5394.1960214247511077) * r +
+                            687.1870074920579083) * r + 42.313330701600911252) * r + 1);
+        } else {
+            if(q > 0) {
+                r = 1 - p;
+            } else {
+                r = p;
+            }
+
+            r = FastMath.sqrt(-FastMath.log(r));
+
+            if(r <= 5) {
+                r += -1.6;
+                val = (((((((r * 7.7454501427834140764e-4 +
+                        .0227238449892691845833) * r + .24178072517745061177) *
+                        r + 1.27045825245236838258) * r +
+                        3.64784832476320460504) * r + 5.7694972214606914055) *
+                        r + 4.6303378461565452959) * r +
+                        1.42343711074968357734)
+                        / (((((((r *
+                        1.05075007164441684324e-9 + 5.475938084995344946e-4) *
+                        r + .0151986665636164571966) * r +
+                        .14810397642748007459) * r + .68976733498510000455) *
+                        r + 1.6763848301838038494) * r +
+                        2.05319162663775882187) * r + 1);
+            } else {
+                r += -5;
+                val = (((((((r * 2.01033439929228813265e-7 +
+                        2.71155556874348757815e-5) * r +
+                        .0012426609473880784386) * r + .026532189526576123093) *
+                        r + .29656057182850489123) * r +
+                        1.7848265399172913358) * r + 5.4637849111641143699) *
+                        r + 6.6579046435011037772)
+                        / (((((((r *
+                        2.04426310338993978564e-15 + 1.4215117583164458887e-7) *
+                        r + 1.8463183175100546818e-5) * r +
+                        7.868691311456132591e-4) * r + .0148753612908506148525)
+                        * r + .13692988092273580531) * r +
+                        .59983220655588793769) * r + 1);
+            }
+
+            if(q < 0.0) {
+                val = -val;
+            }
+        }
+
+        return mu + sigma * val;
+    }
+}
@@ -0,0 +1,123 @@
+package com.dfsek.terra.api.math;
+
+import net.jafama.FastMath;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Iterator;
+import java.util.Random;
+
+public class Range implements Iterable<Integer> {
+    private int min;
+    private int max;
+
+    public Range(int min, int max) {
+        if(min > max) throw new IllegalArgumentException("Minimum must not be grater than maximum!");
+        this.max = max;
+        this.min = min;
+    }
+
+    public boolean isInRange(int test) {
+        return test >= min && test < max;
+    }
+
+    public int getMax() {
+        return max;
+    }
+
+    public Range setMax(int max) {
+        this.max = max;
+        return this;
+    }
+
+    public int getMin() {
+        return min;
+    }
+
+    public Range setMin(int min) {
+        this.min = min;
+        return this;
+    }
+
+    public int getRange() {
+        return max - min;
+    }
+
+    public Range multiply(int mult) {
+        min *= mult;
+        max *= mult;
+        return this;
+    }
+
+    public Range reflect(int pt) {
+        return new Range(2 * pt - this.getMax(), 2 * pt - this.getMin());
+    }
+
+    public int get(Random r) {
+        return r.nextInt((max - min) + 1) + min;
+    }
+
+    public Range intersects(com.dfsek.terra.api.math.Range other) {
+        try {
+            return new Range(FastMath.max(this.getMin(), other.getMin()), FastMath.min(this.getMax(), other.getMax()));
+        } catch(IllegalArgumentException e) {
+            return null;
+        }
+    }
+
+    public Range add(int add) {
+        this.min += add;
+        this.max += add;
+        return this;
+    }
+
+    public Range sub(int sub) {
+        this.min -= sub;
+        this.max -= sub;
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        return "Min: " + getMin() + ", Max:" + getMax();
+    }
+
+    @Override
+    public int hashCode() {
+        return min * 31 + max;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if(!(obj instanceof com.dfsek.terra.api.math.Range)) return false;
+        Range other = (com.dfsek.terra.api.math.Range) obj;
+        return other.getMin() == this.getMin() && other.getMax() == this.getMax();
+    }
+
+    @NotNull
+    @Override
+    public Iterator<Integer> iterator() {
+        return new RangeIterator(this);
+    }
+
+    private static class RangeIterator implements Iterator<Integer> {
+        private final Range m;
+        private Integer current;
+
+        public RangeIterator(Range m) {
+            this.m = m;
+            current = m.getMin();
+        }
+
+        @Override
+        public boolean hasNext() {
+            return current < m.getMax();
+        }
+
+        @Override
+        public Integer next() {
+            current++;
+            return current - 1;
+        }
+    }
+}
+
@@ -0,0 +1,32 @@
+package com.dfsek.terra.api.math.noise;
+
+import com.dfsek.terra.api.math.vector.Vector2;
+import com.dfsek.terra.api.math.vector.Vector3;
+
+public interface NoiseSampler {
+    /**
+     * 2D noise at given position using current settings
+     * <p>
+     * Noise output bounded between -1...1
+     */
+    double getNoise(double x, double y);
+
+    /**
+     * 3D noise at given position using current settings
+     * <p>
+     * Noise output bounded between -1...1
+     */
+    double getNoise(double x, double y, double z);
+
+    default double getNoise(Vector3 vector3) {
+        return getNoise(vector3.getX(), vector3.getY(), vector3.getZ());
+    }
+
+    default double getNoise(Vector2 vector2) {
+        return getNoise(vector2.getX(), vector2.getZ());
+    }
+
+    double getNoiseSeeded(int seed, double x, double y);
+
+    double getNoiseSeeded(int seed, double x, double y, double z);
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.math.noise.normalizer;
+
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+import net.jafama.FastMath;
+
+public class ClampNormalizer extends Normalizer {
+    private final double min;
+    private final double max;
+
+    public ClampNormalizer(NoiseSampler sampler, double min, double max) {
+        super(sampler);
+        this.min = min;
+        this.max = max;
+    }
+
+    @Override
+    public double normalize(double in) {
+        return FastMath.max(FastMath.min(in, max), min);
+    }
+}
@@ -0,0 +1,22 @@
+package com.dfsek.terra.api.math.noise.normalizer;
+
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+
+/**
+ * Normalizer to linearly scale data's range.
+ */
+public class LinearNormalizer extends Normalizer {
+    private final double min;
+    private final double max;
+
+    public LinearNormalizer(NoiseSampler sampler, double min, double max) {
+        super(sampler);
+        this.min = min;
+        this.max = max;
+    }
+
+    @Override
+    public double normalize(double in) {
+        return (in - min) * (2 / (max - min)) - 1;
+    }
+}
@@ -0,0 +1,45 @@
+package com.dfsek.terra.api.math.noise.normalizer;
+
+import com.dfsek.terra.api.math.MathUtil;
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+import net.jafama.FastMath;
+
+/**
+ * Normalizer to redistribute normally distributed data to a continuous distribution via an automatically generated lookup table.
+ */
+public class NormalNormalizer extends Normalizer {
+
+    private final double[] lookup;
+
+    public NormalNormalizer(NoiseSampler sampler, int buckets, double mean, double standardDeviation) {
+        super(sampler);
+        this.lookup = new double[buckets];
+
+        for(int i = 0; i < buckets; i++) {
+            lookup[i] = MathUtil.normalInverse((double) i / buckets, mean, standardDeviation);
+        }
+    }
+
+    @Override
+    public double normalize(double in) {
+        int start = 0;
+        int end = lookup.length - 1;
+        while(start + 1 < end) {
+            int mid = start + (end - start) / 2;
+            if(lookup[mid] <= in) {
+                start = mid;
+            } else {
+                end = mid;
+            }
+        }
+        double left = FastMath.abs(lookup[start] - in);
+        double right = FastMath.abs(lookup[end] - in);
+
+        double fin;
+        if(left <= right) {
+            fin = (double) start / (lookup.length);
+        } else fin = (double) end / (lookup.length);
+
+        return (fin - 0.5) * 2;
+    }
+}
@@ -0,0 +1,33 @@
+package com.dfsek.terra.api.math.noise.normalizer;
+
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+
+public abstract class Normalizer implements NoiseSampler {
+    private final NoiseSampler sampler;
+
+    public Normalizer(NoiseSampler sampler) {
+        this.sampler = sampler;
+    }
+
+    public abstract double normalize(double in);
+
+    @Override
+    public double getNoise(double x, double y) {
+        return normalize(sampler.getNoise(x, y));
+    }
+
+    @Override
+    public double getNoise(double x, double y, double z) {
+        return normalize(sampler.getNoise(x, y, z));
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y) {
+        return normalize(sampler.getNoiseSeeded(seed, x, y));
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y, double z) {
+        return normalize(sampler.getNoiseSeeded(seed, x, y, z));
+    }
+}
@@ -0,0 +1,44 @@
+package com.dfsek.terra.api.math.noise.samplers;
+
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+
+public class DomainWarpedSampler implements NoiseSampler {
+    private final NoiseSampler function;
+    private final NoiseSampler warp;
+    private final int seed;
+    private final double amplitude;
+
+    public DomainWarpedSampler(NoiseSampler function, NoiseSampler warp, int seed, double amplitude) {
+        this.function = function;
+        this.warp = warp;
+        this.seed = seed;
+        this.amplitude = amplitude;
+    }
+
+    @Override
+    public double getNoise(double x, double y) {
+        return getNoiseSeeded(seed, x, y);
+    }
+
+    @Override
+    public double getNoise(double x, double y, double z) {
+        return getNoiseSeeded(seed, x, y, z);
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y) {
+        return function.getNoise(
+                x + warp.getNoiseSeeded(seed, x, y) * amplitude,
+                y + warp.getNoiseSeeded(seed + 1, x, y) * amplitude
+        );
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y, double z) {
+        return function.getNoise(
+                x + warp.getNoiseSeeded(seed, x, y, z) * amplitude,
+                y + warp.getNoiseSeeded(seed + 1, x, y, z) * amplitude,
+                z + warp.getNoiseSeeded(seed + 2, x, y, z) * amplitude
+        );
+    }
+}
@@ -0,0 +1,67 @@
+package com.dfsek.terra.api.math.noise.samplers;
+
+import com.dfsek.paralithic.Expression;
+import com.dfsek.paralithic.eval.parser.Parser;
+import com.dfsek.paralithic.eval.parser.Scope;
+import com.dfsek.paralithic.eval.tokenizer.ParseException;
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+import com.dfsek.terra.api.math.paralithic.defined.UserDefinedFunction;
+import com.dfsek.terra.api.math.paralithic.noise.NoiseFunction2;
+import com.dfsek.terra.api.math.paralithic.noise.NoiseFunction3;
+import com.dfsek.terra.api.util.seeded.NoiseSeeded;
+import com.dfsek.terra.config.loaders.config.function.FunctionTemplate;
+
+import java.util.Map;
+
+/**
+ * Sampler3D implementation using Paralithic expression
+ */
+public class ExpressionSampler implements NoiseSampler {
+    private final Expression expression;
+
+    public ExpressionSampler(String equation, Scope parent, long seed, Map<String, NoiseSeeded> functions, Map<String, FunctionTemplate> definedFunctions) throws ParseException {
+        Parser parser = new Parser();
+        Scope scope = new Scope().withParent(parent);
+
+        scope.addInvocationVariable("x");
+        scope.addInvocationVariable("y");
+        scope.addInvocationVariable("z");
+
+        functions.forEach((id, noise) -> {
+            switch(noise.getDimensions()) {
+                case 2:
+                    parser.registerFunction(id, new NoiseFunction2(noise.apply(seed)));
+                    break;
+                case 3:
+                    parser.registerFunction(id, new NoiseFunction3(noise.apply(seed)));
+                    break;
+            }
+        });
+
+        for(Map.Entry<String, FunctionTemplate> entry : definedFunctions.entrySet()) {
+            parser.registerFunction(entry.getKey(), UserDefinedFunction.newInstance(entry.getValue(), parser, parent));
+        }
+
+        this.expression = parser.parse(equation, scope);
+    }
+
+    @Override
+    public double getNoise(double x, double y) {
+        return getNoise(x, 0, y);
+    }
+
+    @Override
+    public double getNoise(double x, double y, double z) {
+        return expression.evaluate(x, y, z);
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y) {
+        return getNoise(x, y);
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y, double z) {
+        return getNoise(x, y, z);
+    }
+}
@@ -0,0 +1,70 @@
+package com.dfsek.terra.api.math.noise.samplers;
+
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+import net.jafama.FastMath;
+
+import java.awt.image.BufferedImage;
+
+public class ImageSampler implements NoiseSampler {
+    private final BufferedImage image;
+    private final Channel channel;
+
+    private final double frequency;
+
+    public ImageSampler(BufferedImage image, Channel channel, double frequency) {
+        this.image = image;
+        this.channel = channel;
+        this.frequency = frequency;
+    }
+
+    @Override
+    public double getNoise(double x, double y) {
+        return ((channel.getChannel(image.getRGB(FastMath.floorMod(FastMath.floorToInt(x * frequency), image.getWidth()), FastMath.floorMod(FastMath.floorToInt(y * frequency), image.getHeight()))) / 255D) - 0.5) * 2;
+    }
+
+    @Override
+    public double getNoise(double x, double y, double z) {
+        return getNoise(x, y);
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y) {
+        return getNoise(x, y);
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y, double z) {
+        return getNoise(x, y, z);
+    }
+
+    public enum Channel {
+        RED {
+            @Override
+            public int getChannel(int mashed) {
+                return (mashed >> 16) & 0xff;
+            }
+        }, GREEN {
+            @Override
+            public int getChannel(int mashed) {
+                return (mashed >> 8) & 0xff;
+            }
+        }, BLUE {
+            @Override
+            public int getChannel(int mashed) {
+                return mashed & 0xff;
+            }
+        }, GRAYSCALE {
+            @Override
+            public int getChannel(int mashed) {
+                return (RED.getChannel(mashed) + GREEN.getChannel(mashed) + BLUE.getChannel(mashed)) / 3;
+            }
+        }, ALPHA {
+            @Override
+            public int getChannel(int mashed) {
+                return (mashed >> 24) & 0xff;
+            }
+        };
+
+        public abstract int getChannel(int mashed);
+    }
+}
@@ -0,0 +1,59 @@
+package com.dfsek.terra.api.math.noise.samplers;
+
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+
+public class KernelSampler implements NoiseSampler {
+    private final double[][] kernel;
+    private final NoiseSampler in;
+    private double frequency = 1;
+
+    public KernelSampler(double[][] kernel, NoiseSampler in) {
+        this.kernel = kernel;
+        this.in = in;
+    }
+
+    @Override
+    public double getNoise(double x, double y) {
+        return getNoiseSeeded(0, x, y);
+    }
+
+    @Override
+    public double getNoise(double x, double y, double z) {
+        return getNoiseSeeded(0, x, y, z);
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y) {
+        x *= frequency;
+        y *= frequency;
+        double accumulator = 0;
+
+        for(int kx = 0; kx < kernel.length; kx++) {
+            for(int ky = 0; ky < kernel[kx].length; ky++) {
+                accumulator += in.getNoise(x + kx, y + ky) * kernel[kx][ky];
+            }
+        }
+
+        return accumulator;
+    }
+
+    @Override
+    public double getNoiseSeeded(int seed, double x, double y, double z) {
+        x *= frequency;
+        y *= frequency;
+        z *= frequency;
+        double accumulator = 0;
+
+        for(int kx = 0; kx < kernel.length; kx++) {
+            for(int ky = 0; ky < kernel[kx].length; ky++) {
+                accumulator += in.getNoise(x + kx, y, z + ky) * kernel[kx][ky];
+            }
+        }
+
+        return accumulator;
+    }
+
+    public void setFrequency(double frequency) {
+        this.frequency = frequency;
+    }
+}
@@ -0,0 +1,565 @@
+package com.dfsek.terra.api.math.noise.samplers.noise;
+
+import com.dfsek.terra.api.math.noise.NoiseSampler;
+import com.dfsek.terra.api.math.noise.samplers.noise.simplex.OpenSimplex2Sampler;
+import com.dfsek.terra.api.math.vector.Vector2;
+import com.dfsek.terra.api.math.vector.Vector3;
+
+/**
+ * NoiseSampler implementation for Cellular (Voronoi/Worley) Noise.
+ */
+public class CellularSampler extends NoiseFunction {
+    private static final double[] RAND_VECS_3D = {
+            -0.7292736885d, -0.6618439697d, 0.1735581948d, 0, 0.790292081d, -0.5480887466d, -0.2739291014d, 0, 0.7217578935d, 0.6226212466d,
+            -0.3023380997d, 0, 0.565683137d, -0.8208298145d, -0.0790000257d, 0, 0.760049034d, -0.5555979497d, -0.3370999617d, 0,
+            0.3713945616d, 0.5011264475d, 0.7816254623d, 0, -0.1277062463d, -0.4254438999d, -0.8959289049d, 0, -0.2881560924d,
+            -0.5815838982d, 0.7607405838d, 0, 0.5849561111d, -0.662820239d, -0.4674352136d, 0, 0.3307171178d, 0.0391653737d, 0.94291689d, 0,
+            0.8712121778d, -0.4113374369d, -0.2679381538d, 0, 0.580981015d, 0.7021915846d, 0.4115677815d, 0, 0.503756873d, 0.6330056931d,
+            -0.5878203852d, 0, 0.4493712205d, 0.601390195d, 0.6606022552d, 0, -0.6878403724d, 0.09018890807d, -0.7202371714d, 0,
+            -0.5958956522d, -0.6469350577d, 0.475797649d, 0, -0.5127052122d, 0.1946921978d, -0.8361987284d, 0, -0.9911507142d,
+            -0.05410276466d, -0.1212153153d, 0, -0.2149721042d, 0.9720882117d, -0.09397607749d, 0, -0.7518650936d, -0.5428057603d,
+            0.3742469607d, 0, 0.5237068895d, 0.8516377189d, -0.02107817834d, 0, 0.6333504779d, 0.1926167129d, -0.7495104896d, 0,
+            -0.06788241606d, 0.3998305789d, 0.9140719259d, 0, -0.5538628599d, -0.4729896695d, -0.6852128902d, 0, -0.7261455366d,
+            -0.5911990757d, 0.3509933228d, 0, -0.9229274737d, -0.1782808786d, 0.3412049336d, 0, -0.6968815002d, 0.6511274338d,
+            0.3006480328d, 0, 0.9608044783d, -0.2098363234d, -0.1811724921d, 0, 0.06817146062d, -0.9743405129d, 0.2145069156d, 0,
+            -0.3577285196d, -0.6697087264d, -0.6507845481d, 0, -0.1868621131d, 0.7648617052d, -0.6164974636d, 0, -0.6541697588d,
+            0.3967914832d, 0.6439087246d, 0, 0.6993340405d, -0.6164538506d, 0.3618239211d, 0, -0.1546665739d, 0.6291283928d, 0.7617583057d,
+            0, -0.6841612949d, -0.2580482182d, -0.6821542638d, 0, 0.5383980957d, 0.4258654885d, 0.7271630328d, 0, -0.5026987823d,
+            -0.7939832935d, -0.3418836993d, 0, 0.3202971715d, 0.2834415347d, 0.9039195862d, 0, 0.8683227101d, -0.0003762656404d,
+            -0.4959995258d, 0, 0.791120031d, -0.08511045745d, 0.6057105799d, 0, -0.04011016052d, -0.4397248749d, 0.8972364289d, 0,
+            0.9145119872d, 0.3579346169d, -0.1885487608d, 0, -0.9612039066d, -0.2756484276d, 0.01024666929d, 0, 0.6510361721d,
+            -0.2877799159d, -0.7023778346d, 0, -0.2041786351d, 0.7365237271d, 0.644859585d, 0, -0.7718263711d, 0.3790626912d, 0.5104855816d,
+            0, -0.3060082741d, -0.7692987727d, 0.5608371729d, 0, 0.454007341d, -0.5024843065d, 0.7357899537d, 0, 0.4816795475d,
+            0.6021208291d, -0.6367380315d, 0, 0.6961980369d, -0.3222197429d, 0.641469197d, 0, -0.6532160499d, -0.6781148932d, 0.3368515753d,
+            0, 0.5089301236d, -0.6154662304d, -0.6018234363d, 0, -0.1635919754d, -0.9133604627d, -0.372840892d, 0, 0.52408019d,
+            -0.8437664109d, 0.1157505864d, 0, 0.5902587356d, 0.4983817807d, -0.6349883666d, 0, 0.5863227872d, 0.494764745d, 0.6414307729d,
+            0, 0.6779335087d, 0.2341345225d, 0.6968408593d, 0, 0.7177054546d, -0.6858979348d, 0.120178631d, 0, -0.5328819713d,
+            -0.5205125012d, 0.6671608058d, 0, -0.8654874251d, -0.0700727088d, -0.4960053754d, 0, -0.2861810166d, 0.7952089234d,
+            0.5345495242d, 0, -0.04849529634d, 0.9810836427d, -0.1874115585d, 0, -0.6358521667d, 0.6058348682d, 0.4781800233d, 0,
+            0.6254794696d, -0.2861619734d, 0.7258696564d, 0, -0.2585259868d, 0.5061949264d, -0.8227581726d, 0, 0.02136306781d,
+            0.5064016808d, -0.8620330371d, 0, 0.200111773d, 0.8599263484d, 0.4695550591d, 0, 0.4743561372d, 0.6014985084d, -0.6427953014d,
+            0, 0.6622993731d, -0.5202474575d, -0.5391679918d, 0, 0.08084972818d, -0.6532720452d, 0.7527940996d, 0, -0.6893687501d,
+            0.0592860349d, 0.7219805347d, 0, -0.1121887082d, -0.9673185067d, 0.2273952515d, 0, 0.7344116094d, 0.5979668656d, -0.3210532909d,
+            0, 0.5789393465d, -0.2488849713d, 0.7764570201d, 0, 0.6988182827d, 0.3557169806d, -0.6205791146d, 0, -0.8636845529d,
+            -0.2748771249d, -0.4224826141d, 0, -0.4247027957d, -0.4640880967d, 0.777335046d, 0, 0.5257722489d, -0.8427017621d,
+            0.1158329937d, 0, 0.9343830603d, 0.316302472d, -0.1639543925d, 0, -0.1016836419d, -0.8057303073d, -0.5834887393d, 0,
+            -0.6529238969d, 0.50602126d, -0.5635892736d, 0, -0.2465286165d, -0.9668205684d, -0.06694497494d, 0, -0.9776897119d,
+            -0.2099250524d, -0.007368825344d, 0, 0.7736893337d, 0.5734244712d, 0.2694238123d, 0, -0.6095087895d, 0.4995678998d,
+            0.6155736747d, 0, 0.5794535482d, 0.7434546771d, 0.3339292269d, 0, -0.8226211154d, 0.08142581855d, 0.5627293636d, 0,
+            -0.510385483d, 0.4703667658d, 0.7199039967d, 0, -0.5764971849d, -0.07231656274d, -0.8138926898d, 0, 0.7250628871d,
+            0.3949971505d, -0.5641463116d, 0, -0.1525424005d, 0.4860840828d, -0.8604958341d, 0, -0.5550976208d, -0.4957820792d,
+            0.667882296d, 0, -0.1883614327d, 0.9145869398d, 0.357841725d, 0, 0.7625556724d, -0.5414408243d, -0.3540489801d, 0,
+            -0.5870231946d, -0.3226498013d, -0.7424963803d, 0, 0.3051124198d, 0.2262544068d, -0.9250488391d, 0, 0.6379576059d, 0.577242424d,
+            -0.5097070502d, 0, -0.5966775796d, 0.1454852398d, -0.7891830656d, 0, -0.658330573d, 0.6555487542d, -0.3699414651d, 0,
+            0.7434892426d, 0.2351084581d, 0.6260573129d, 0, 0.5562114096d, 0.8264360377d, -0.0873632843d, 0, -0.3028940016d, -0.8251527185d,
+            0.4768419182d, 0, 0.1129343818d, -0.985888439d, -0.1235710781d, 0, 0.5937652891d, -0.5896813806d, 0.5474656618d, 0,
+            0.6757964092d, -0.5835758614d, -0.4502648413d, 0, 0.7242302609d, -0.1152719764d, 0.6798550586d, 0, -0.9511914166d,
+            0.0753623979d, -0.2992580792d, 0, 0.2539470961d, -0.1886339355d, 0.9486454084d, 0, 0.571433621d, -0.1679450851d, -0.8032795685d,
+            0, -0.06778234979d, 0.3978269256d, 0.9149531629d, 0, 0.6074972649d, 0.733060024d, -0.3058922593d, 0, -0.5435478392d,
+            0.1675822484d, 0.8224791405d, 0, -0.5876678086d, -0.3380045064d, -0.7351186982d, 0, -0.7967562402d, 0.04097822706d,
+            -0.6029098428d, 0, -0.1996350917d, 0.8706294745d, 0.4496111079d, 0, -0.02787660336d, -0.9106232682d, -0.4122962022d, 0,
+            -0.7797625996d, -0.6257634692d, 0.01975775581d, 0, -0.5211232846d, 0.7401644346d, -0.4249554471d, 0, 0.8575424857d,
+            0.4053272873d, -0.3167501783d, 0, 0.1045223322d, 0.8390195772d, -0.5339674439d, 0, 0.3501822831d, 0.9242524096d, -0.1520850155d,
+            0, 0.1987849858d, 0.07647613266d, 0.9770547224d, 0, 0.7845996363d, 0.6066256811d, -0.1280964233d, 0, 0.09006737436d,
+            -0.9750989929d, -0.2026569073d, 0, -0.8274343547d, -0.542299559d, 0.1458203587d, 0, -0.3485797732d, -0.415802277d, 0.840000362d,
+            0, -0.2471778936d, -0.7304819962d, -0.6366310879d, 0, -0.3700154943d, 0.8577948156d, 0.3567584454d, 0, 0.5913394901d,
+            -0.548311967d, -0.5913303597d, 0, 0.1204873514d, -0.7626472379d, -0.6354935001d, 0, 0.616959265d, 0.03079647928d, 0.7863922953d,
+            0, 0.1258156836d, -0.6640829889d, -0.7369967419d, 0, -0.6477565124d, -0.1740147258d, -0.7417077429d, 0, 0.6217889313d,
+            -0.7804430448d, -0.06547655076d, 0, 0.6589943422d, -0.6096987708d, 0.4404473475d, 0, -0.2689837504d, -0.6732403169d,
+            -0.6887635427d, 0, -0.3849775103d, 0.5676542638d, 0.7277093879d, 0, 0.5754444408d, 0.8110471154d, -0.1051963504d, 0,
+            0.9141593684d, 0.3832947817d, 0.131900567d, 0, -0.107925319d, 0.9245493968d, 0.3654593525d, 0, 0.377977089d, 0.3043148782d,
+            0.8743716458d, 0, -0.2142885215d, -0.8259286236d, 0.5214617324d, 0, 0.5802544474d, 0.4148098596d, -0.7008834116d, 0,
+            -0.1982660881d, 0.8567161266d, -0.4761596756d, 0, -0.03381553704d, 0.3773180787d, -0.9254661404d, 0, -0.6867922841d,
+            -0.6656597827d, 0.2919133642d, 0, 0.7731742607d, -0.2875793547d, -0.5652430251d, 0, -0.09655941928d, 0.9193708367d,
+            -0.3813575004d, 0, 0.2715702457d, -0.9577909544d, -0.09426605581d, 0, 0.2451015704d, -0.6917998565d, -0.6792188003d, 0,
+            0.977700782d, -0.1753855374d, 0.1155036542d, 0, -0.5224739938d, 0.8521606816d, 0.02903615945d, 0, -0.7734880599d,
+            -0.5261292347d, 0.3534179531d, 0, -0.7134492443d, -0.269547243d, 0.6467878011d, 0, 0.1644037271d, 0.5105846203d, -0.8439637196d,
+            0, 0.6494635788d, 0.05585611296d, 0.7583384168d, 0, -0.4711970882d, 0.5017280509d, -0.7254255765d, 0, -0.6335764307d,
+            -0.2381686273d, -0.7361091029d, 0, -0.9021533097d, -0.270947803d, -0.3357181763d, 0, -0.3793711033d, 0.872258117d,
+            0.3086152025d, 0, -0.6855598966d, -0.3250143309d, 0.6514394162d, 0, 0.2900942212d, -0.7799057743d, -0.5546100667d, 0,
+            -0.2098319339d, 0.85037073d, 0.4825351604d, 0, -0.4592603758d, 0.6598504336d, -0.5947077538d, 0, 0.8715945488d, 0.09616365406d,
+            -0.4807031248d, 0, -0.6776666319d, 0.7118504878d, -0.1844907016d, 0, 0.7044377633d, 0.312427597d, 0.637304036d, 0,
+            -0.7052318886d, -0.2401093292d, -0.6670798253d, 0, 0.081921007d, -0.7207336136d, -0.6883545647d, 0, -0.6993680906d,
+            -0.5875763221d, -0.4069869034d, 0, -0.1281454481d, 0.6419895885d, 0.7559286424d, 0, -0.6337388239d, -0.6785471501d,
+            -0.3714146849d, 0, 0.5565051903d, -0.2168887573d, -0.8020356851d, 0, -0.5791554484d, 0.7244372011d, -0.3738578718d, 0,
+            0.1175779076d, -0.7096451073d, 0.6946792478d, 0, -0.6134619607d, 0.1323631078d, 0.7785527795d, 0, 0.6984635305d,
+            -0.02980516237d, -0.715024719d, 0, 0.8318082963d, -0.3930171956d, 0.3919597455d, 0, 0.1469576422d, 0.05541651717d,
+            -0.9875892167d, 0, 0.708868575d, -0.2690503865d, 0.6520101478d, 0, 0.2726053183d, 0.67369766d, -0.68688995d, 0, -0.6591295371d,
+            0.3035458599d, -0.6880466294d, 0, 0.4815131379d, -0.7528270071d, 0.4487723203d, 0, 0.9430009463d, 0.1675647412d, -0.2875261255d,
+            0, 0.434802957d, 0.7695304522d, -0.4677277752d, 0, 0.3931996188d, 0.594473625d, 0.7014236729d, 0, 0.7254336655d, -0.603925654d,
+            0.3301814672d, 0, 0.7590235227d, -0.6506083235d, 0.02433313207d, 0, -0.8552768592d, -0.3430042733d, 0.3883935666d, 0,
+            -0.6139746835d, 0.6981725247d, 0.3682257648d, 0, -0.7465905486d, -0.5752009504d, 0.3342849376d, 0, 0.5730065677d, 0.810555537d,
+            -0.1210916791d, 0, -0.9225877367d, -0.3475211012d, -0.167514036d, 0, -0.7105816789d, -0.4719692027d, -0.5218416899d, 0,
+            -0.08564609717d, 0.3583001386d, 0.929669703d, 0, -0.8279697606d, -0.2043157126d, 0.5222271202d, 0, 0.427944023d, 0.278165994d,
+            0.8599346446d, 0, 0.5399079671d, -0.7857120652d, -0.3019204161d, 0, 0.5678404253d, -0.5495413974d, -0.6128307303d, 0,
+            -0.9896071041d, 0.1365639107d, -0.04503418428d, 0, -0.6154342638d, -0.6440875597d, 0.4543037336d, 0, 0.1074204368d,
+            -0.7946340692d, 0.5975094525d, 0, -0.3595449969d, -0.8885529948d, 0.28495784d, 0, -0.2180405296d, 0.1529888965d, 0.9638738118d,
+            0, -0.7277432317d, -0.6164050508d, -0.3007234646d, 0, 0.7249729114d, -0.00669719484d, 0.6887448187d, 0, -0.5553659455d,
+            -0.5336586252d, 0.6377908264d, 0, 0.5137558015d, 0.7976208196d, -0.3160000073d, 0, -0.3794024848d, 0.9245608561d,
+            -0.03522751494d, 0, 0.8229248658d, 0.2745365933d, -0.4974176556d, 0, -0.5404114394d, 0.6091141441d, 0.5804613989d, 0,
+            0.8036581901d, -0.2703029469d, 0.5301601931d, 0, 0.6044318879d, 0.6832968393d, 0.4095943388d, 0, 0.06389988817d, 0.9658208605d,
+            -0.2512108074d, 0, 0.1087113286d, 0.7402471173d, -0.6634877936d, 0, -0.713427712d, -0.6926784018d, 0.1059128479d, 0,
+            0.6458897819d, -0.5724548511d, -0.5050958653d, 0, -0.6553931414d, 0.7381471625d, 0.159995615d, 0, 0.3910961323d, 0.9188871375d,
+            -0.05186755998d, 0, -0.4879022471d, -0.5904376907d, 0.6429111375d, 0, 0.6014790094d, 0.7707441366d, -0.2101820095d, 0,
+            -0.5677173047d, 0.7511360995d, 0.3368851762d, 0, 0.7858573506d, 0.226674665d, 0.5753666838d, 0, -0.4520345543d, -0.604222686d,
+            -0.6561857263d, 0, 0.002272116345d, 0.4132844051d, -0.9105991643d, 0, -0.5815751419d, -0.5162925989d, 0.6286591339d, 0,
+            -0.03703704785d, 0.8273785755d, 0.5604221175d, 0, -0.5119692504d, 0.7953543429d, -0.3244980058d, 0, -0.2682417366d,
+            -0.9572290247d, -0.1084387619d, 0, -0.2322482736d, -0.9679131102d, -0.09594243324d, 0, 0.3554328906d, -0.8881505545d,
+            0.2913006227d, 0, 0.7346520519d, -0.4371373164d, 0.5188422971d, 0, 0.9985120116d, 0.04659011161d, -0.02833944577d, 0,
+            -0.3727687496d, -0.9082481361d, 0.1900757285d, 0, 0.91737377d, -0.3483642108d, 0.1925298489d, 0, 0.2714911074d, 0.4147529736d,
+            -0.8684886582d, 0, 0.5131763485d, -0.7116334161d, 0.4798207128d, 0, -0.8737353606d, 0.18886992d, -0.4482350644d, 0,
+            0.8460043821d, -0.3725217914d, 0.3814499973d, 0, 0.8978727456d, -0.1780209141d, -0.4026575304d, 0, 0.2178065647d,
+            -0.9698322841d, -0.1094789531d, 0, -0.1518031304d, -0.7788918132d, -0.6085091231d, 0, -0.2600384876d, -0.4755398075d,
+            -0.8403819825d, 0, 0.572313509d, -0.7474340931d, -0.3373418503d, 0, -0.7174141009d, 0.1699017182d, -0.6756111411d, 0,
+            -0.684180784d, 0.02145707593d, -0.7289967412d, 0, -0.2007447902d, 0.06555605789d, -0.9774476623d, 0, -0.1148803697d,
+            -0.8044887315d, 0.5827524187d, 0, -0.7870349638d, 0.03447489231d, 0.6159443543d, 0, -0.2015596421d, 0.6859872284d,
+            0.6991389226d, 0, -0.08581082512d, -0.10920836d, -0.9903080513d, 0, 0.5532693395d, 0.7325250401d, -0.396610771d, 0,
+            -0.1842489331d, -0.9777375055d, -0.1004076743d, 0, 0.0775473789d, -0.9111505856d, 0.4047110257d, 0, 0.1399838409d,
+            0.7601631212d, -0.6344734459d, 0, 0.4484419361d, -0.845289248d, 0.2904925424d, 0
+    };
+
+    private static final double[] RAND_VECS_2D = {
+            -0.2700222198d, -0.9628540911d, 0.3863092627d, -0.9223693152d, 0.04444859006d, -0.999011673d, -0.5992523158d, -0.8005602176d,
+            -0.7819280288d, 0.6233687174d, 0.9464672271d, 0.3227999196d, -0.6514146797d, -0.7587218957d, 0.9378472289d, 0.347048376d,
+            -0.8497875957d, -0.5271252623d, -0.879042592d, 0.4767432447d, -0.892300288d, -0.4514423508d, -0.379844434d, -0.9250503802d,
+            -0.9951650832d, 0.0982163789d, 0.7724397808d, -0.6350880136d, 0.7573283322d, -0.6530343002d, -0.9928004525d, -0.119780055d,
+            -0.0532665713d, 0.9985803285d, 0.9754253726d, -0.2203300762d, -0.7665018163d, 0.6422421394d, 0.991636706d, 0.1290606184d,
+            -0.994696838d, 0.1028503788d, -0.5379205513d, -0.84299554d, 0.5022815471d, -0.8647041387d, 0.4559821461d, -0.8899889226d,
+            -0.8659131224d, -0.5001944266d, 0.0879458407d, -0.9961252577d, -0.5051684983d, 0.8630207346d, 0.7753185226d, -0.6315704146d,
+            -0.6921944612d, 0.7217110418d, -0.5191659449d, -0.8546734591d, 0.8978622882d, -0.4402764035d, -0.1706774107d, 0.9853269617d,
+            -0.9353430106d, -0.3537420705d, -0.9992404798d, 0.03896746794d, -0.2882064021d, -0.9575683108d, -0.9663811329d, 0.2571137995d,
+            -0.8759714238d, -0.4823630009d, -0.8303123018d, -0.5572983775d, 0.05110133755d, -0.9986934731d, -0.8558373281d, -0.5172450752d,
+            0.09887025282d, 0.9951003332d, 0.9189016087d, 0.3944867976d, -0.2439375892d, -0.9697909324d, -0.8121409387d, -0.5834613061d,
+            -0.9910431363d, 0.1335421355d, 0.8492423985d, -0.5280031709d, -0.9717838994d, -0.2358729591d, 0.9949457207d, 0.1004142068d,
+            0.6241065508d, -0.7813392434d, 0.662910307d, 0.7486988212d, -0.7197418176d, 0.6942418282d, -0.8143370775d, -0.5803922158d,
+            0.104521054d, -0.9945226741d, -0.1065926113d, -0.9943027784d, 0.445799684d, -0.8951327509d, 0.105547406d, 0.9944142724d,
+            -0.992790267d, 0.1198644477d, -0.8334366408d, 0.552615025d, 0.9115561563d, -0.4111755999d, 0.8285544909d, -0.5599084351d,
+            0.7217097654d, -0.6921957921d, 0.4940492677d, -0.8694339084d, -0.3652321272d, -0.9309164803d, -0.9696606758d, 0.2444548501d,
+            0.08925509731d, -0.996008799d, 0.5354071276d, -0.8445941083d, -0.1053576186d, 0.9944343981d, -0.9890284586d, 0.1477251101d,
+            0.004856104961d, 0.9999882091d, 0.9885598478d, 0.1508291331d, 0.9286129562d, -0.3710498316d, -0.5832393863d, -0.8123003252d,
+            0.3015207509d, 0.9534596146d, -0.9575110528d, 0.2883965738d, 0.9715802154d, -0.2367105511d, 0.229981792d, 0.9731949318d,
+            0.955763816d, -0.2941352207d, 0.740956116d, 0.6715534485d, -0.9971513787d, -0.07542630764d, 0.6905710663d, -0.7232645452d,
+            -0.290713703d, -0.9568100872d, 0.5912777791d, -0.8064679708d, -0.9454592212d, -0.325740481d, 0.6664455681d, 0.74555369d,
+            0.6236134912d, 0.7817328275d, 0.9126993851d, -0.4086316587d, -0.8191762011d, 0.5735419353d, -0.8812745759d, -0.4726046147d,
+            0.9953313627d, 0.09651672651d, 0.9855650846d, -0.1692969699d, -0.8495980887d, 0.5274306472d, 0.6174853946d, -0.7865823463d,
+            0.8508156371d, 0.52546432d, 0.9985032451d, -0.05469249926d, 0.1971371563d, -0.9803759185d, 0.6607855748d, -0.7505747292d,
+            -0.03097494063d, 0.9995201614d, -0.6731660801d, 0.739491331d, -0.7195018362d, -0.6944905383d, 0.9727511689d, 0.2318515979d,
+            0.9997059088d, -0.0242506907d, 0.4421787429d, -0.8969269532d, 0.9981350961d, -0.061043673d, -0.9173660799d, -0.3980445648d,
+            -0.8150056635d, -0.5794529907d, -0.8789331304d, 0.4769450202d, 0.0158605829d, 0.999874213d, -0.8095464474d, 0.5870558317d,
+            -0.9165898907d, -0.3998286786d, -0.8023542565d, 0.5968480938d, -0.5176737917d, 0.8555780767d, -0.8154407307d, -0.5788405779d,
+            0.4022010347d, -0.9155513791d, -0.9052556868d, -0.4248672045d, 0.7317445619d, 0.6815789728d, -0.5647632201d, -0.8252529947d,
+            -0.8403276335d, -0.5420788397d, -0.9314281527d, 0.363925262d, 0.5238198472d, 0.8518290719d, 0.7432803869d, -0.6689800195d,
+            -0.985371561d, -0.1704197369d, 0.4601468731d, 0.88784281d, 0.825855404d, 0.5638819483d, 0.6182366099d, 0.7859920446d,
+            0.8331502863d, -0.553046653d, 0.1500307506d, 0.9886813308d, -0.662330369d, -0.7492119075d, -0.668598664d, 0.743623444d,
+            0.7025606278d, 0.7116238924d, -0.5419389763d, -0.8404178401d, -0.3388616456d, 0.9408362159d, 0.8331530315d, 0.5530425174d,
+            -0.2989720662d, -0.9542618632d, 0.2638522993d, 0.9645630949d, 0.124108739d, -0.9922686234d, -0.7282649308d, -0.6852956957d,
+            0.6962500149d, 0.7177993569d, -0.9183535368d, 0.3957610156d, -0.6326102274d, -0.7744703352d, -0.9331891859d, -0.359385508d,
+            -0.1153779357d, -0.9933216659d, 0.9514974788d, -0.3076565421d, -0.08987977445d, -0.9959526224d, 0.6678496916d, 0.7442961705d,
+            0.7952400393d, -0.6062947138d, -0.6462007402d, -0.7631674805d, -0.2733598753d, 0.9619118351d, 0.9669590226d, -0.254931851d,
+            -0.9792894595d, 0.2024651934d, -0.5369502995d, -0.8436138784d, -0.270036471d, -0.9628500944d, -0.6400277131d, 0.7683518247d,
+            -0.7854537493d, -0.6189203566d, 0.06005905383d, -0.9981948257d, -0.02455770378d, 0.9996984141d, -0.65983623d, 0.751409442d,
+            -0.6253894466d, -0.7803127835d, -0.6210408851d, -0.7837781695d, 0.8348888491d, 0.5504185768d, -0.1592275245d, 0.9872419133d,
+            0.8367622488d, 0.5475663786d, -0.8675753916d, -0.4973056806d, -0.2022662628d, -0.9793305667d, 0.9399189937d, 0.3413975472d,
+            0.9877404807d, -0.1561049093d, -0.9034455656d, 0.4287028224d, 0.1269804218d, -0.9919052235d, -0.3819600854d, 0.924178821d,
+            0.9754625894d, 0.2201652486d, -0.3204015856d, -0.9472818081d, -0.9874760884d, 0.1577687387d, 0.02535348474d, -0.9996785487d,
+            0.4835130794d, -0.8753371362d, -0.2850799925d, -0.9585037287d, -0.06805516006d, -0.99768156d, -0.7885244045d, -0.6150034663d,
+            0.3185392127d, -0.9479096845d, 0.8880043089d, 0.4598351306d, 0.6476921488d, -0.7619021462d, 0.9820241299d, 0.1887554194d,
+            0.9357275128d, -0.3527237187d, -0.8894895414d, 0.4569555293d, 0.7922791302d, 0.6101588153d, 0.7483818261d, 0.6632681526d,
+            -0.7288929755d, -0.6846276581d, 0.8729032783d, -0.4878932944d, 0.8288345784d, 0.5594937369d, 0.08074567077d, 0.9967347374d,
+            0.9799148216d, -0.1994165048d, -0.580730673d, -0.8140957471d, -0.4700049791d, -0.8826637636d, 0.2409492979d, 0.9705377045d,
+            0.9437816757d, -0.3305694308d, -0.8927998638d, -0.4504535528d, -0.8069622304d, 0.5906030467d, 0.06258973166d, 0.9980393407d,
+            -0.9312597469d, 0.3643559849d, 0.5777449785d, 0.8162173362d, -0.3360095855d, -0.941858566d, 0.697932075d, -0.7161639607d,
+            -0.002008157227d, -0.9999979837d, -0.1827294312d, -0.9831632392d, -0.6523911722d, 0.7578824173d, -0.4302626911d, -0.9027037258d,
+            -0.9985126289d, -0.05452091251d, -0.01028102172d, -0.9999471489d, -0.4946071129d, 0.8691166802d, -0.2999350194d, 0.9539596344d,
+            0.8165471961d, 0.5772786819d, 0.2697460475d, 0.962931498d, -0.7306287391d, -0.6827749597d, -0.7590952064d, -0.6509796216d,
+            -0.907053853d, 0.4210146171d, -0.5104861064d, -0.8598860013d, 0.8613350597d, 0.5080373165d, 0.5007881595d, -0.8655698812d,
+            -0.654158152d, 0.7563577938d, -0.8382755311d, -0.545246856d, 0.6940070834d, 0.7199681717d, 0.06950936031d, 0.9975812994d,
+            0.1702942185d, -0.9853932612d, 0.2695973274d, 0.9629731466d, 0.5519612192d, -0.8338697815d, 0.225657487d, -0.9742067022d,
+            0.4215262855d, -0.9068161835d, 0.4881873305d, -0.8727388672d, -0.3683854996d, -0.9296731273d, -0.9825390578d, 0.1860564427d,
+            0.81256471d, 0.5828709909d, 0.3196460933d, -0.9475370046d, 0.9570913859d, 0.2897862643d, -0.6876655497d, -0.7260276109d,
+            -0.9988770922d, -0.047376731d, -0.1250179027d, 0.992154486d, -0.8280133617d, 0.560708367d, 0.9324863769d, -0.3612051451d,
+            0.6394653183d, 0.7688199442d, -0.01623847064d, -0.9998681473d, -0.9955014666d, -0.09474613458d, -0.81453315d, 0.580117012d,
+            0.4037327978d, -0.9148769469d, 0.9944263371d, 0.1054336766d, -0.1624711654d, 0.9867132919d, -0.9949487814d, -0.100383875d,
+            -0.6995302564d, 0.7146029809d, 0.5263414922d, -0.85027327d, -0.5395221479d, 0.841971408d, 0.6579370318d, 0.7530729462d,
+            0.01426758847d, -0.9998982128d, -0.6734383991d, 0.7392433447d, 0.639412098d, -0.7688642071d, 0.9211571421d, 0.3891908523d,
+            -0.146637214d, -0.9891903394d, -0.782318098d, 0.6228791163d, -0.5039610839d, -0.8637263605d, -0.7743120191d, -0.6328039957d,
+    };
+
+
+    private DistanceFunction distanceFunction = DistanceFunction.EuclideanSq;
+    private ReturnType returnType = ReturnType.Distance;
+    private double jitterModifier = 1.0;
+
+    private NoiseSampler noiseLookup;
+
+    public CellularSampler(int seed) {
+        super(seed);
+        noiseLookup = new OpenSimplex2Sampler(seed);
+    }
+
+    public void setDistanceFunction(DistanceFunction distanceFunction) {
+        this.distanceFunction = distanceFunction;
+    }
+
+    public void setJitterModifier(double jitterModifier) {
+        this.jitterModifier = jitterModifier;
+    }
+
+    public void setNoiseLookup(NoiseSampler noiseLookup) {
+        this.noiseLookup = noiseLookup;
+    }
+
+    public void setReturnType(ReturnType returnType) {
+        this.returnType = returnType;
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double y) {
+        int xr = fastRound(x);
+        int yr = fastRound(y);
+
+        double distance0 = Double.MAX_VALUE;
+        double distance1 = Double.MAX_VALUE;
+        double distance2 = Double.MAX_VALUE;
+
+        int closestHash = 0;
+
+        double cellularJitter = 0.43701595 * jitterModifier;
+
+        int xPrimed = (xr - 1) * PRIME_X;
+        int yPrimedBase = (yr - 1) * PRIME_Y;
+
+        Vector2 center = new Vector2(x, y);
+
+        switch(distanceFunction) {
+            default:
+            case Euclidean:
+            case EuclideanSq:
+                for(int xi = xr - 1; xi <= xr + 1; xi++) {
+                    int yPrimed = yPrimedBase;
+
+                    for(int yi = yr - 1; yi <= yr + 1; yi++) {
+                        int hash = hash(seed, xPrimed, yPrimed);
+                        int idx = hash & (255 << 1);
+
+                        double vecX = (xi - x) + RAND_VECS_2D[idx] * cellularJitter;
+                        double vecY = (yi - y) + RAND_VECS_2D[idx | 1] * cellularJitter;
+
+                        double newDistance = vecX * vecX + vecY * vecY;
+
+                        distance1 = fastMax(fastMin(distance1, newDistance), distance0);
+                        if(newDistance < distance0) {
+                            distance0 = newDistance;
+                            closestHash = hash;
+                            center.setX((xi + RAND_VECS_2D[idx] * cellularJitter) / frequency);
+                            center.setZ((yi + RAND_VECS_2D[idx | 1] * cellularJitter) / frequency);
+                        } else if(newDistance < distance1) {
+                            distance2 = distance1;
+                            distance1 = newDistance;
+                        } else if(newDistance < distance2) {
+                            distance2 = newDistance;
+                        }
+                        yPrimed += PRIME_Y;
+                    }
+                    xPrimed += PRIME_X;
+                }
+                break;
+            case Manhattan:
+                for(int xi = xr - 1; xi <= xr + 1; xi++) {
+                    int yPrimed = yPrimedBase;
+
+                    for(int yi = yr - 1; yi <= yr + 1; yi++) {
+                        int hash = hash(seed, xPrimed, yPrimed);
+                        int idx = hash & (255 << 1);
+
+                        double vecX = (xi - x) + RAND_VECS_2D[idx] * cellularJitter;
+                        double vecY = (yi - y) + RAND_VECS_2D[idx | 1] * cellularJitter;
+
+                        double newDistance = fastAbs(vecX) + fastAbs(vecY);
+
+                        distance1 = fastMax(fastMin(distance1, newDistance), distance0);
+                        if(newDistance < distance0) {
+                            distance0 = newDistance;
+                            closestHash = hash;
+                            center.setX((xi + RAND_VECS_2D[idx] * cellularJitter) / frequency);
+                            center.setZ((yi + RAND_VECS_2D[idx | 1] * cellularJitter) / frequency);
+                        } else if(newDistance < distance1) {
+                            distance2 = distance1;
+                            distance1 = newDistance;
+                        } else if(newDistance < distance2) {
+                            distance2 = newDistance;
+                        }
+                        yPrimed += PRIME_Y;
+                    }
+                    xPrimed += PRIME_X;
+                }
+                break;
+            case Hybrid:
+                for(int xi = xr - 1; xi <= xr + 1; xi++) {
+                    int yPrimed = yPrimedBase;
+
+                    for(int yi = yr - 1; yi <= yr + 1; yi++) {
+                        int hash = hash(seed, xPrimed, yPrimed);
+                        int idx = hash & (255 << 1);
+
+                        double vecX = (xi - x) + RAND_VECS_2D[idx] * cellularJitter;
+                        double vecY = (yi - y) + RAND_VECS_2D[idx | 1] * cellularJitter;
+
+                        double newDistance = (fastAbs(vecX) + fastAbs(vecY)) + (vecX * vecX + vecY * vecY);
+
+                        distance1 = fastMax(fastMin(distance1, newDistance), distance0);
+                        if(newDistance < distance0) {
+                            distance0 = newDistance;
+                            closestHash = hash;
+                            center.setX((xi + RAND_VECS_2D[idx] * cellularJitter) / frequency);
+                            center.setZ((yi + RAND_VECS_2D[idx | 1] * cellularJitter) / frequency);
+                        } else if(newDistance < distance1) {
+                            distance2 = distance1;
+                            distance1 = newDistance;
+                        } else if(newDistance < distance2) {
+                            distance2 = newDistance;
+                        }
+                        yPrimed += PRIME_Y;
+                    }
+                    xPrimed += PRIME_X;
+                }
+                break;
+        }
+
+        if(distanceFunction == DistanceFunction.Euclidean && returnType != ReturnType.CellValue) {
+            distance0 = fastSqrt(distance0);
+            if(returnType != ReturnType.CellValue) {
+                distance1 = fastSqrt(distance1);
+            }
+        }
+
+        switch(returnType) {
+            case CellValue:
+                return closestHash * (1 / 2147483648.0);
+            case Distance:
+                return distance0 - 1;
+            case Distance2:
+                return distance1 - 1;
+            case Distance2Add:
+                return (distance1 + distance0) * 0.5 - 1;
+            case Distance2Sub:
+                return distance1 - distance0 - 1;
+            case Distance2Mul:
+                return distance1 * distance0 * 0.5 - 1;
+            case Distance2Div:
+                return distance0 / distance1 - 1;
+            case NoiseLookup:
+                return noiseLookup.getNoise(center.getX(), center.getZ());
+            case Distance3:
+                return distance2 - 1;
+            case Distance3Add:
+                return (distance2 + distance0) * 0.5 - 1;
+            case Distance3Sub:
+                return distance2 - distance0 - 1;
+            case Distance3Mul:
+                return distance2 * distance0 - 1;
+            case Distance3Div:
+                return distance0 / distance2 - 1;
+            default:
+                return 0;
+        }
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double y, double z) {
+        int xr = fastRound(x);
+        int yr = fastRound(y);
+        int zr = fastRound(z);
+
+        double distance0 = Double.MAX_VALUE;
+        double distance1 = Double.MAX_VALUE;
+        double distance2 = Double.MAX_VALUE;
+        int closestHash = 0;
+
+        double cellularJitter = 0.39614353 * jitterModifier;
+
+        int xPrimed = (xr - 1) * PRIME_X;
+        int yPrimedBase = (yr - 1) * PRIME_Y;
+        int zPrimedBase = (zr - 1) * PRIME_Z;
+
+        Vector3 center = new Vector3(x, y, z);
+
+        switch(distanceFunction) {
+            case Euclidean:
+            case EuclideanSq:
+                for(int xi = xr - 1; xi <= xr + 1; xi++) {
+                    int yPrimed = yPrimedBase;
+
+                    for(int yi = yr - 1; yi <= yr + 1; yi++) {
+                        int zPrimed = zPrimedBase;
+
+                        for(int zi = zr - 1; zi <= zr + 1; zi++) {
+                            int hash = hash(seed, xPrimed, yPrimed, zPrimed);
+                            int idx = hash & (255 << 2);
+
+                            double vecX = (xi - x) + RAND_VECS_3D[idx] * cellularJitter;
+                            double vecY = (yi - y) + RAND_VECS_3D[idx | 1] * cellularJitter;
+                            double vecZ = (zi - z) + RAND_VECS_3D[idx | 2] * cellularJitter;
+
+                            double newDistance = vecX * vecX + vecY * vecY + vecZ * vecZ;
+
+                            if(newDistance < distance0) {
+                                distance0 = newDistance;
+                                closestHash = hash;
+                                center.setX((xi + RAND_VECS_3D[idx] * cellularJitter) / frequency);
+                                center.setY((yi + RAND_VECS_3D[idx | 1] * cellularJitter) / frequency);
+                                center.setZ((zi + RAND_VECS_3D[idx | 2] * cellularJitter) / frequency);
+                            } else if(newDistance < distance1) {
+                                distance2 = distance1;
+                                distance1 = newDistance;
+                            } else if(newDistance < distance2) {
+                                distance2 = newDistance;
+                            }
+                            zPrimed += PRIME_Z;
+                        }
+                        yPrimed += PRIME_Y;
+                    }
+                    xPrimed += PRIME_X;
+                }
+                break;
+            case Manhattan:
+                for(int xi = xr - 1; xi <= xr + 1; xi++) {
+                    int yPrimed = yPrimedBase;
+
+                    for(int yi = yr - 1; yi <= yr + 1; yi++) {
+                        int zPrimed = zPrimedBase;
+
+                        for(int zi = zr - 1; zi <= zr + 1; zi++) {
+                            int hash = hash(seed, xPrimed, yPrimed, zPrimed);
+                            int idx = hash & (255 << 2);
+
+                            double vecX = (xi - x) + RAND_VECS_3D[idx] * cellularJitter;
+                            double vecY = (yi - y) + RAND_VECS_3D[idx | 1] * cellularJitter;
+                            double vecZ = (zi - z) + RAND_VECS_3D[idx | 2] * cellularJitter;
+
+                            double newDistance = fastAbs(vecX) + fastAbs(vecY) + fastAbs(vecZ);
+
+                            if(newDistance < distance0) {
+                                distance0 = newDistance;
+                                closestHash = hash;
+                                center.setX((xi + RAND_VECS_3D[idx] * cellularJitter) / frequency);
+                                center.setY((yi + RAND_VECS_3D[idx | 1] * cellularJitter) / frequency);
+                                center.setZ((zi + RAND_VECS_3D[idx | 2] * cellularJitter) / frequency);
+                            } else if(newDistance < distance1) {
+                                distance2 = distance1;
+                                distance1 = newDistance;
+                            } else if(newDistance < distance2) {
+                                distance2 = newDistance;
+                            }
+                            zPrimed += PRIME_Z;
+                        }
+                        yPrimed += PRIME_Y;
+                    }
+                    xPrimed += PRIME_X;
+                }
+                break;
+            case Hybrid:
+                for(int xi = xr - 1; xi <= xr + 1; xi++) {
+                    int yPrimed = yPrimedBase;
+
+                    for(int yi = yr - 1; yi <= yr + 1; yi++) {
+                        int zPrimed = zPrimedBase;
+
+                        for(int zi = zr - 1; zi <= zr + 1; zi++) {
+                            int hash = hash(seed, xPrimed, yPrimed, zPrimed);
+                            int idx = hash & (255 << 2);
+
+                            double vecX = (xi - x) + RAND_VECS_3D[idx] * cellularJitter;
+                            double vecY = (yi - y) + RAND_VECS_3D[idx | 1] * cellularJitter;
+                            double vecZ = (zi - z) + RAND_VECS_3D[idx | 2] * cellularJitter;
+
+                            double newDistance = (fastAbs(vecX) + fastAbs(vecY) + fastAbs(vecZ)) +
+                                    (vecX * vecX + vecY * vecY + vecZ * vecZ);
+
+                            distance1 = fastMax(fastMin(distance1, newDistance), distance0);
+                            if(newDistance < distance0) {
+                                distance0 = newDistance;
+                                closestHash = hash;
+                                center.setX((xi + RAND_VECS_3D[idx] * cellularJitter) / frequency);
+                                center.setY((yi + RAND_VECS_3D[idx | 1] * cellularJitter) / frequency);
+                                center.setZ((zi + RAND_VECS_3D[idx | 2] * cellularJitter) / frequency);
+                            } else if(newDistance < distance1) {
+                                distance2 = distance1;
+                                distance1 = newDistance;
+                            } else if(newDistance < distance2) {
+                                distance2 = newDistance;
+                            }
+                            zPrimed += PRIME_Z;
+                        }
+                        yPrimed += PRIME_Y;
+                    }
+                    xPrimed += PRIME_X;
+                }
+                break;
+            default:
+                break;
+        }
+
+        if(distanceFunction == DistanceFunction.Euclidean && returnType != ReturnType.CellValue) {
+            distance0 = fastSqrt(distance0);
+            if(returnType != ReturnType.CellValue) {
+                distance1 = fastSqrt(distance1);
+            }
+        }
+
+        switch(returnType) {
+            case CellValue:
+                return closestHash * (1 / 2147483648.0);
+            case Distance:
+                return distance0 - 1;
+            case Distance2:
+                return distance1 - 1;
+            case Distance2Add:
+                return (distance1 + distance0) * 0.5 - 1;
+            case Distance2Sub:
+                return distance1 - distance0 - 1;
+            case Distance2Mul:
+                return distance1 * distance0 * 0.5 - 1;
+            case Distance2Div:
+                return distance0 / distance1 - 1;
+            case NoiseLookup:
+                return noiseLookup.getNoise(center.getX(), center.getY(), center.getZ());
+            case Distance3:
+                return distance2 - 1;
+            case Distance3Add:
+                return (distance2 + distance0) * 0.5 - 1;
+            case Distance3Sub:
+                return distance2 - distance0 - 1;
+            case Distance3Mul:
+                return distance2 * distance0 - 1;
+            case Distance3Div:
+                return distance0 / distance2 - 1;
+            default:
+                return 0;
+        }
+    }
+
+    public enum DistanceFunction {
+        Euclidean,
+        EuclideanSq,
+        Manhattan,
+        Hybrid
+    }
+
+
+    public enum ReturnType {
+        CellValue,
+        Distance,
+        Distance2,
+        Distance2Add,
+        Distance2Sub,
+        Distance2Mul,
+        Distance2Div,
+        NoiseLookup,
+        Distance3,
+        Distance3Add,
+        Distance3Sub,
+        Distance3Mul,
+        Distance3Div
+    }
+}
@@ -0,0 +1,23 @@
+package com.dfsek.terra.api.math.noise.samplers.noise;
+
+/**
+ * Sampler3D implementation that returns a constant.
+ */
+public class ConstantSampler extends NoiseFunction {
+    private final double constant;
+
+    public ConstantSampler(double constant) {
+        super(0);
+        this.constant = constant;
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double y) {
+        return constant;
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double y, double z) {
+        return constant;
+    }
+}
@@ -0,0 +1,43 @@
+package com.dfsek.terra.api.math.noise.samplers.noise;
+
+import com.dfsek.paralithic.Expression;
+import com.dfsek.paralithic.eval.parser.Parser;
+import com.dfsek.paralithic.eval.parser.Scope;
+import com.dfsek.paralithic.eval.tokenizer.ParseException;
+import com.dfsek.paralithic.functions.Function;
+
+import java.util.Map;
+
+/**
+ * NoiseSampler implementation using a Paralithic expression.
+ */
+public class ExpressionFunction extends NoiseFunction {
+    private final Expression expression;
+
+    public ExpressionFunction(Map<String, Function> functions, String eq, Map<String, Double> vars) throws ParseException {
+        super(0);
+        Parser p = new Parser();
+        Scope scope = new Scope();
+
+        scope.addInvocationVariable("x");
+        scope.addInvocationVariable("y");
+        scope.addInvocationVariable("z");
+
+        vars.forEach(scope::create);
+
+        functions.forEach(p::registerFunction);
+
+        expression = p.parse(eq, scope);
+        frequency = 1;
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double y) {
+        return expression.evaluate(x, 0, y);
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double y, double z) {
+        return expression.evaluate(x, y, z);
+    }
+}
@@ -0,0 +1,105 @@
+package com.dfsek.terra.api.math.noise.samplers.noise;
+
+import com.dfsek.terra.api.math.noise.samplers.noise.random.WhiteNoiseSampler;
+import net.jafama.FastMath;
+
+public class GaborNoiseSampler extends NoiseFunction {
+    private final WhiteNoiseSampler rand;
+    private double k = 1.0;
+    private double a = 0.1;
+    private double f0 = 0.625;
+    private double kernelRadius = (FastMath.sqrt(-FastMath.log(0.05) / Math.PI) / a);
+    private double omega0 = Math.PI * 0.25;
+    private boolean isotropic = true;
+    private double impulsesPerKernel = 64d;
+    private double impulseDensity = (impulsesPerKernel / (Math.PI * kernelRadius * kernelRadius));
+
+    private double impulsesPerCell = impulseDensity * kernelRadius * kernelRadius;
+    private double g = FastMath.exp(-impulsesPerCell);
+
+
+    public GaborNoiseSampler(int seed) {
+        super(seed);
+        rand = new WhiteNoiseSampler(seed);
+    }
+
+    public void setIsotropic(boolean isotropic) {
+        this.isotropic = isotropic;
+    }
+
+    public void setImpulsesPerKernel(double impulsesPerKernel) {
+        this.impulsesPerKernel = impulsesPerKernel;
+        recalculateRadiusAndDensity();
+    }
+
+    public void setA(double a) {
+        this.a = a;
+        recalculateRadiusAndDensity();
+    }
+
+    public void setFrequency0(double f0) {
+        this.f0 = f0;
+    }
+
+    public void setRotation(double omega0) {
+        this.omega0 = Math.PI * omega0;
+    }
+
+    public void setDeviation(double k) {
+        this.k = k;
+    }
+
+    private void recalculateRadiusAndDensity() {
+        kernelRadius = (FastMath.sqrt(-FastMath.log(0.05) / Math.PI) / this.a);
+        impulseDensity = (impulsesPerKernel / (Math.PI * kernelRadius * kernelRadius));
+        impulsesPerCell = impulseDensity * kernelRadius * kernelRadius;
+        g = FastMath.exp(-impulsesPerCell);
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double z) {
+        return gaborNoise(seed, x, z);
+    }
+
+    @Override
+    public double getNoiseRaw(int seed, double x, double y, double z) {
+        return gaborNoise(seed, x, z);
+    }
+
+    private double gaborNoise(int seed, double x, double y) {
+        x /= kernelRadius;
+        y /= kernelRadius;
+        int xi = fastFloor(x);
+        int yi = fastFloor(y);
+        double xf = x - xi;
+        double yf = y - yi;
+        double noise = 0;
+        for(int dx = -1; dx <= 1; dx++) {
+            for(int dz = -1; dz <= 1; dz++) {
+                noise += calculateCell(seed, xi + dx, yi + dz, xf - dx, yf - dz);
+            }
+        }
+        return noise;
+    }
+
+    private double calculateCell(int seed, int xi, int yi, double x, double y) {
+        long mashedSeed = murmur64(31L * xi + yi) + seed;
+
+        double gaussianSource = (rand.getNoiseRaw(mashedSeed++) + 1) / 2;
+        int impulses = 0;
+        while(gaussianSource > g) {
+            impulses++;
+            gaussianSource *= (rand.getNoiseRaw(mashedSeed++) + 1) / 2;
+        }
+
+        double noise = 0;
+        for(int i = 0; i < impulses; i++) {
+            noise += rand.getNoiseRaw(mashedSeed++) * gabor(isotropic ? (rand.getNoiseRaw(mashedSeed++) + 1) * Math.PI : omega0, x * kernelRadius, y * kernelRadius);
+        }
+        return noise;
+    }
+
+    private double gabor(double omega_0, double x, double y) {
+        return k * (FastMath.exp(-Math.PI * (a * a) * (x * x + y * y)) * fastCos(2 * Math.PI * f0 * (x * fastCos(omega_0) + y * fastSin(omega_0))));
+    }
+}
--- a/Show More
+++ b/Show More