From aa326d95e9ca04103783bf9abf77a8f89b4b169b Mon Sep 17 00:00:00 2001
From: dfsek <dfsek@protonmail.com>
Date: Tue, 22 Sep 2020 20:52:11 -0700
Subject: [PATCH] Implement structure storage format (to be moved to Gaea in
 the future)

---
 .idea/jarRepositories.xml                     |  10 +
 pom.xml                                       |  10 +
 .../java/com/dfsek/terra/TerraCommand.java    | 214 ++++++++++++------
 .../java/com/dfsek/terra/WorldEditUtil.java   |  14 ++
 .../com/dfsek/terra/config/ConfigLoader.java  |   2 +-
 .../com/dfsek/terra/config/WorldConfig.java   |  30 ++-
 .../config/genconfig/StructureConfig.java     |  23 ++
 .../com/dfsek/terra/image/DebugFrame.java     |  19 +-
 .../com/dfsek/terra/image/ImageLoader.java    |  35 ++-
 .../dfsek/terra/structure/GaeaStructure.java  |  90 ++++++++
 .../terra/structure/MultiPartStructure.java   |   4 -
 .../structure/StructureContainedBlock.java    |  44 ++++
 src/main/resources/plugin.yml                 |   1 +
 src/main/resources/terra.commodore            |  10 +
 14 files changed, 400 insertions(+), 106 deletions(-)
 create mode 100644 src/main/java/com/dfsek/terra/WorldEditUtil.java
 create mode 100644 src/main/java/com/dfsek/terra/config/genconfig/StructureConfig.java
 create mode 100644 src/main/java/com/dfsek/terra/structure/GaeaStructure.java
 delete mode 100644 src/main/java/com/dfsek/terra/structure/MultiPartStructure.java
 create mode 100644 src/main/java/com/dfsek/terra/structure/StructureContainedBlock.java

diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index 25e81a323..82abc63ef 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -11,6 +11,11 @@
       <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" />
@@ -26,6 +31,11 @@
       <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" />
diff --git a/pom.xml b/pom.xml
index c0310d534..5d075155d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,6 +68,10 @@
             <name>gaea</name>
             <url>file:/home/dfsek/Documents/Gaea/repo</url>
         </repository>
+        <repository>
+            <id>enginehub-maven</id>
+            <url>http://maven.enginehub.org/repo/</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -110,6 +114,12 @@
             <artifactId>commons-imaging</artifactId>
             <version>1.0-alpha2</version>
         </dependency>
+        <dependency>
+            <groupId>com.sk89q.worldedit</groupId>
+            <artifactId>worldedit-bukkit</artifactId>
+            <version>7.2.0-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file
diff --git a/src/main/java/com/dfsek/terra/TerraCommand.java b/src/main/java/com/dfsek/terra/TerraCommand.java
index c78e4fda0..0f00152cf 100644
--- a/src/main/java/com/dfsek/terra/TerraCommand.java
+++ b/src/main/java/com/dfsek/terra/TerraCommand.java
@@ -2,23 +2,29 @@ package com.dfsek.terra;
 
 import com.dfsek.terra.biome.TerraBiomeGrid;
 import com.dfsek.terra.biome.UserDefinedBiome;
+import com.dfsek.terra.config.ConfigUtil;
 import com.dfsek.terra.config.WorldConfig;
 import com.dfsek.terra.config.genconfig.BiomeConfig;
-import com.dfsek.terra.config.ConfigUtil;
 import com.dfsek.terra.config.genconfig.OreConfig;
 import com.dfsek.terra.image.WorldImageGenerator;
+import com.dfsek.terra.structure.GaeaStructure;
+import com.sk89q.worldedit.IncompleteRegionException;
+import com.sk89q.worldedit.bukkit.BukkitAdapter;
+import com.sk89q.worldedit.bukkit.WorldEditPlugin;
+import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.regions.Region;
+import org.bukkit.Location;
 import org.bukkit.block.Block;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
-import org.bukkit.command.TabCompleter;
 import org.bukkit.command.TabExecutor;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
 import org.polydev.gaea.profiler.WorldProfiler;
 
 import java.io.File;
-import java.util.Arrays;
+import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
 import java.util.Random;
@@ -26,90 +32,148 @@ import java.util.Random;
 public class TerraCommand implements CommandExecutor, TabExecutor {
     @Override
     public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        switch(args[0]) {
-            case "reload":
-                ConfigUtil.loadConfig(Terra.getInstance());
-                sender.sendMessage("Reloaded Terra config.");
-                return true;
-            case "biome":
-                if(!(sender instanceof Player)) return false;
-                sender.sendMessage("You are in " + BiomeConfig.fromBiome((UserDefinedBiome) TerraBiomeGrid.fromWorld(((Player) sender).getWorld()).getBiome(((Player) sender).getLocation())).getFriendlyName());
-                return true;
-            case "profile":
-                if(! (sender instanceof Player)) {
-                    sender.sendMessage("Command is for players only.");
+        try {
+            switch(args[0]) {
+                case "reload":
+                    ConfigUtil.loadConfig(Terra.getInstance());
+                    sender.sendMessage("Reloaded Terra config.");
                     return true;
-                }
-                Player p = (Player) sender;
-                if(p.getWorld().getGenerator() instanceof TerraChunkGenerator) {
-                    WorldProfiler profile = TerraProfiler.fromWorld(p.getWorld());
-                    if(args.length > 1 && "query".equals(args[1])) {
-                        sender.sendMessage(profile.getResultsFormatted());
-                        return true;
-                    } else if(args.length > 1 && "reset".equals(args[1])) {
-                        profile.reset();
-                        sender.sendMessage("Profiler has been reset.");
-                        return true;
-                    } else if(args.length > 1 && "start".equals(args[1])) {
-                        profile.setProfiling(true);
-                        sender.sendMessage("Profiler has started.");
-                        return true;
-                    } else if(args.length > 1 && "stop".equals(args[1])) {
-                        profile.setProfiling(false);
-                        sender.sendMessage("Profiler has stopped.");
-                        return true;
-                    }
-                } else sender.sendMessage("World is not a Terra world!");
-                break;
-            case "ore":
-                if(! (sender instanceof Player)) {
-                    sender.sendMessage("Command is for players only.");
+                case "biome":
+                    if(! (sender instanceof Player)) return false;
+                    sender.sendMessage("You are in " + BiomeConfig.fromBiome((UserDefinedBiome) TerraBiomeGrid.fromWorld(((Player) sender).getWorld()).getBiome(((Player) sender).getLocation())).getFriendlyName());
                     return true;
-                }
-                Block bl = ((Player) sender).getTargetBlockExact(25);
-                OreConfig ore = OreConfig.fromID(args[1]);
-                if(ore == null) {
-                    sender.sendMessage("Unable to find Ore");
-                    return true;
-                }
-                ore.doVein(bl.getLocation(), new Random());
-                return true;
-            case "image":
-                if("render".equals(args[1])) {
+                case "profile":
                     if(! (sender instanceof Player)) {
                         sender.sendMessage("Command is for players only.");
                         return true;
                     }
-                    Player pl = (Player) sender;
-                    if(args.length != 4) return false;
-                    try {
-                        WorldImageGenerator g = new WorldImageGenerator(pl.getWorld(), Integer.parseInt(args[2]), Integer.parseInt(args[3]));
-                        g.drawWorld(pl.getLocation().getBlockX(), pl.getLocation().getBlockZ());
-                        File file = new File(Terra.getInstance().getDataFolder() + File.separator + "map_export" + File.separator + "map_" + System.currentTimeMillis() + ".png");
-                        file.mkdirs();
-                        file.createNewFile();
-                        g.save(file);
-                        sender.sendMessage("Saved image to " + file.getPath());
-                        return true;
-                    } catch(Exception e) {
-                        e.printStackTrace();
-                        return false;
-                    }
-                } else if("gui".equals(args[1])) {
+                    Player p = (Player) sender;
+                    if(p.getWorld().getGenerator() instanceof TerraChunkGenerator) {
+                        WorldProfiler profile = TerraProfiler.fromWorld(p.getWorld());
+                        if(args.length > 1 && "query".equals(args[1])) {
+                            sender.sendMessage(profile.getResultsFormatted());
+                            return true;
+                        } else if(args.length > 1 && "reset".equals(args[1])) {
+                            profile.reset();
+                            sender.sendMessage("Profiler has been reset.");
+                            return true;
+                        } else if(args.length > 1 && "start".equals(args[1])) {
+                            profile.setProfiling(true);
+                            sender.sendMessage("Profiler has started.");
+                            return true;
+                        } else if(args.length > 1 && "stop".equals(args[1])) {
+                            profile.setProfiling(false);
+                            sender.sendMessage("Profiler has stopped.");
+                            return true;
+                        }
+                    } else sender.sendMessage("World is not a Terra world!");
+                    break;
+                case "ore":
                     if(! (sender instanceof Player)) {
                         sender.sendMessage("Command is for players only.");
                         return true;
                     }
-                    Player pl = (Player) sender;
-                    try {
-                        if("raw".equals(args[2])) WorldConfig.fromWorld(pl.getWorld()).imageLoader.debug(false, pl.getWorld());
-                        else if("step".equals(args[2])) WorldConfig.fromWorld(pl.getWorld()).imageLoader.debug(true, pl.getWorld());
-                        else return false;
+                    Block bl = ((Player) sender).getTargetBlockExact(25);
+                    OreConfig ore = OreConfig.fromID(args[1]);
+                    if(ore == null) {
+                        sender.sendMessage("Unable to find Ore");
                         return true;
-                    } catch(NullPointerException e) {
-                        return false;
                     }
-                }
+                    ore.doVein(bl.getLocation(), new Random());
+                    return true;
+                case "image":
+                    if("render".equals(args[1])) {
+                        if(! (sender instanceof Player)) {
+                            sender.sendMessage("Command is for players only.");
+                            return true;
+                        }
+                        Player pl = (Player) sender;
+                        if(args.length != 4) return false;
+                        try {
+                            WorldImageGenerator g = new WorldImageGenerator(pl.getWorld(), Integer.parseInt(args[2]), Integer.parseInt(args[3]));
+                            g.drawWorld(pl.getLocation().getBlockX(), pl.getLocation().getBlockZ());
+                            File file = new File(Terra.getInstance().getDataFolder() + File.separator + "export" + File.separator + "map" + File.separator + "map_" + System.currentTimeMillis() + ".png");
+                            file.mkdirs();
+                            file.createNewFile();
+                            g.save(file);
+                            sender.sendMessage("Saved image to " + file.getPath());
+                            return true;
+                        } catch(Exception e) {
+                            e.printStackTrace();
+                            return false;
+                        }
+                    } else if("gui".equals(args[1])) {
+                        if(! (sender instanceof Player)) {
+                            sender.sendMessage("Command is for players only.");
+                            return true;
+                        }
+                        Player pl = (Player) sender;
+                        try {
+                            if("raw".equals(args[2]))
+                                WorldConfig.fromWorld(pl.getWorld()).imageLoader.debug(false, pl.getWorld());
+                            else if("step".equals(args[2]))
+                                WorldConfig.fromWorld(pl.getWorld()).imageLoader.debug(true, pl.getWorld());
+                            else return false;
+                            return true;
+                        } catch(NullPointerException e) {
+                            return false;
+                        }
+                    }
+                    break;
+                case "structure":
+                    if(! (sender instanceof Player)) {
+                        sender.sendMessage("Command is for players only.");
+                        return true;
+                    }
+
+                    Player pl = (Player) sender;
+                    if("export".equals(args[1])) {
+                        WorldEditPlugin we = WorldEditUtil.getWorldEdit();
+                        if(we == null) {
+                            sender.sendMessage("WorldEdit is not installed! Please install WorldEdit before attempting to export structures.");
+                            return true;
+                        }
+                        Region selection;
+                        try {
+                            selection = we.getSession(pl).getSelection(BukkitAdapter.adapt(pl.getWorld()));
+                        } catch(IncompleteRegionException e) {
+                            sender.sendMessage("Invalid/incomplete selection!");
+                            return true;
+                        }
+                        BukkitAdapter.adapt(pl);
+                        if(selection == null) {
+                            sender.sendMessage("Please make a selection before attempting to export!");
+                            return true;
+                        }
+                        BlockVector3 min = selection.getMinimumPoint();
+                        BlockVector3 max = selection.getMaximumPoint();
+                        Location l1 = new Location(pl.getWorld(), min.getBlockX(), min.getBlockY(), min.getBlockZ());
+                        Location l2 = new Location(pl.getWorld(), max.getBlockX(), max.getBlockY(), max.getBlockZ());
+                        GaeaStructure structure = new GaeaStructure(l1, l2);
+                        try {
+                            File file = new File(Terra.getInstance().getDataFolder() + File.separator + "export" + File.separator + "structures", args[2] + ".tstructure");
+                            file.getParentFile().mkdirs();
+                            file.createNewFile();
+                            structure.save(file);
+                            sender.sendMessage("Saved to " + file.getPath());
+                        } catch(IOException e) {
+                            e.printStackTrace();
+                        }
+                        return true;
+                    } else if("load".equals(args[1])) {
+                        try {
+                            GaeaStructure struc = GaeaStructure.load(new File(Terra.getInstance().getDataFolder() + File.separator + "export" + File.separator + "structures", args[2] + ".tstructure"));
+                            if("true".equals(args[3])) struc.paste(pl.getLocation());
+                            else struc.paste(pl.getLocation(), pl.getLocation().getChunk());
+                        } catch(IOException e) {
+                            e.printStackTrace();
+                            sender.sendMessage("Structure not found.");
+                        }
+                        return true;
+                    }
+            }
+        } catch(ArrayIndexOutOfBoundsException e) {
+            e.printStackTrace();
         }
         return false;
     }
diff --git a/src/main/java/com/dfsek/terra/WorldEditUtil.java b/src/main/java/com/dfsek/terra/WorldEditUtil.java
new file mode 100644
index 000000000..addad5f32
--- /dev/null
+++ b/src/main/java/com/dfsek/terra/WorldEditUtil.java
@@ -0,0 +1,14 @@
+package com.dfsek.terra;
+
+import com.sk89q.worldedit.bukkit.WorldEditPlugin;
+import org.bukkit.Bukkit;
+import org.bukkit.plugin.Plugin;
+
+public class WorldEditUtil {
+    public static WorldEditPlugin getWorldEdit() {
+        Plugin p = Bukkit.getServer().getPluginManager().getPlugin("WorldEdit");
+        if (p instanceof WorldEditPlugin) return (WorldEditPlugin) p;
+        Bukkit.getLogger().severe("[Terra] a command requiring WorldEdit was executed, but WorldEdit was not detected!");
+        return null;
+    }
+}
diff --git a/src/main/java/com/dfsek/terra/config/ConfigLoader.java b/src/main/java/com/dfsek/terra/config/ConfigLoader.java
index 6a900cdc6..da8528cbe 100644
--- a/src/main/java/com/dfsek/terra/config/ConfigLoader.java
+++ b/src/main/java/com/dfsek/terra/config/ConfigLoader.java
@@ -20,7 +20,7 @@ public class ConfigLoader {
     }
 
     public <T extends TerraConfigObject> void load(JavaPlugin main, Class<T> clazz) {
-        File folder = new File(main.getDataFolder() + File.separator + path);
+        File folder = new File(main.getDataFolder() + File.separator + "config" + File.separator + path);
         folder.mkdirs();
         try (Stream<Path> paths = Files.walk(folder.toPath())) {
             paths
diff --git a/src/main/java/com/dfsek/terra/config/WorldConfig.java b/src/main/java/com/dfsek/terra/config/WorldConfig.java
index c1e8b19c4..d53d03e2b 100644
--- a/src/main/java/com/dfsek/terra/config/WorldConfig.java
+++ b/src/main/java/com/dfsek/terra/config/WorldConfig.java
@@ -73,19 +73,25 @@ public class WorldConfig {
             freq1 = 1f/config.getInt("frequencies.grid-1", 256);
             freq2 = 1f/config.getInt("frequencies.grid-2", 512);
             fromImage = config.getBoolean("image.use-image", false);
-            biomeXChannel = ImageLoader.Channel.valueOf(Objects.requireNonNull(config.getString("image.channels.biome-x", "red")).toUpperCase());
-            biomeZChannel = ImageLoader.Channel.valueOf(Objects.requireNonNull(config.getString("image.channels.biome-z", "green")).toUpperCase());
-            if(biomeZChannel.equals(biomeXChannel)) throw new InvalidConfigurationException("2 objects share the same image channels: biome-x and biome-z");
-            zoneChannel = ImageLoader.Channel.valueOf(Objects.requireNonNull(config.getString("image.channels.zone", "blue")).toUpperCase());
-            if(zoneChannel.equals(biomeXChannel) || zoneChannel.equals(biomeZChannel)) throw new InvalidConfigurationException("2 objects share the same image channels: zone and biome-x/z");
-            if(fromImage) {
-                try {
-                    imageLoader = new ImageLoader(new File(Objects.requireNonNull(config.getString("image.image-location"))));
-                    Bukkit.getLogger().info("[Terra] Loading world from image.");
-                } catch(IOException | NullPointerException e) {
-                    e.printStackTrace();
-                    fromImage = false;
+            try {
+                biomeXChannel = ImageLoader.Channel.valueOf(Objects.requireNonNull(config.getString("image.channels.biome-x", "red")).toUpperCase());
+                biomeZChannel = ImageLoader.Channel.valueOf(Objects.requireNonNull(config.getString("image.channels.biome-z", "green")).toUpperCase());
+                if(biomeZChannel.equals(biomeXChannel))
+                    throw new InvalidConfigurationException("2 objects share the same image channels: biome-x and biome-z");
+                zoneChannel = ImageLoader.Channel.valueOf(Objects.requireNonNull(config.getString("image.channels.zone", "blue")).toUpperCase());
+                if(zoneChannel.equals(biomeXChannel) || zoneChannel.equals(biomeZChannel))
+                    throw new InvalidConfigurationException("2 objects share the same image channels: zone and biome-x/z");
+                if(fromImage) {
+                    try {
+                        imageLoader = new ImageLoader(new File(Objects.requireNonNull(config.getString("image.image-location"))), ImageLoader.Align.valueOf(config.getString("image.align", "center").toUpperCase()));
+                        Bukkit.getLogger().info("[Terra] Loading world from image.");
+                    } catch(IOException | NullPointerException e) {
+                        e.printStackTrace();
+                        fromImage = false;
+                    }
                 }
+            } catch(IllegalArgumentException e) {
+                throw new InvalidConfigurationException(e.getCause());
             }
 
 
diff --git a/src/main/java/com/dfsek/terra/config/genconfig/StructureConfig.java b/src/main/java/com/dfsek/terra/config/genconfig/StructureConfig.java
new file mode 100644
index 000000000..0f1a4f2c1
--- /dev/null
+++ b/src/main/java/com/dfsek/terra/config/genconfig/StructureConfig.java
@@ -0,0 +1,23 @@
+package com.dfsek.terra.config.genconfig;
+
+import com.dfsek.terra.config.TerraConfigObject;
+import org.bukkit.configuration.InvalidConfigurationException;
+
+import java.io.File;
+import java.io.IOException;
+
+public class StructureConfig extends TerraConfigObject {
+    public StructureConfig(File file) throws IOException, InvalidConfigurationException {
+        super(file);
+    }
+
+    @Override
+    public void init() throws InvalidConfigurationException {
+
+    }
+
+    @Override
+    public String getID() {
+        return null;
+    }
+}
diff --git a/src/main/java/com/dfsek/terra/image/DebugFrame.java b/src/main/java/com/dfsek/terra/image/DebugFrame.java
index 47dd79fcd..cbead300f 100644
--- a/src/main/java/com/dfsek/terra/image/DebugFrame.java
+++ b/src/main/java/com/dfsek/terra/image/DebugFrame.java
@@ -1,8 +1,10 @@
 package com.dfsek.terra.image;
 
 import com.dfsek.terra.Terra;
+import com.dfsek.terra.TerraChunkGenerator;
 import com.dfsek.terra.biome.TerraBiomeGrid;
 import com.dfsek.terra.biome.UserDefinedBiome;
+import com.dfsek.terra.config.WorldConfig;
 import com.dfsek.terra.config.genconfig.BiomeConfig;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
@@ -29,17 +31,22 @@ public class DebugFrame extends JFrame implements ActionListener {
     public void paint(Graphics g) {
         super.paintComponents(g);
         for(Player p : Bukkit.getOnlinePlayers()) {
-            int xp = (int) (((double) Math.floorMod(p.getLocation().getBlockX(), x)/x)*getWidth());
-            int zp = (int) (((double) Math.floorMod(p.getLocation().getBlockZ(), z)/z)*getHeight());
+            if(! (p.getWorld().getGenerator() instanceof TerraChunkGenerator)) break;
+            int xp = (int) (((double) Math.floorMod(p.getLocation().getBlockX(), x) / x) * getWidth());
+            int zp = (int) (((double) Math.floorMod(p.getLocation().getBlockZ(), z) / z) * getHeight());
+            if(WorldConfig.fromWorld(p.getWorld()).imageLoader.getAlign().equals(ImageLoader.Align.CENTER)) {
+                xp = (int) (((double) Math.floorMod(p.getLocation().getBlockX() - (img.getWidth() / 2), x) / x) * getWidth());
+                zp = (int) (((double) Math.floorMod(p.getLocation().getBlockZ() - (img.getHeight() / 2), z) / z) * getHeight());
+            }
             String str = BiomeConfig.fromBiome((UserDefinedBiome) TerraBiomeGrid.fromWorld(p.getWorld()).getBiome(p.getLocation())).getID();
             g.setColor(new Color(255, 255, 255, 128));
-            g.fillRect(xp+13, zp-13, (int) (8 + 8.25*str.length()), 33);
+            g.fillRect(xp + 13, zp - 13, (int) (8 + 8.25 * str.length()), 33);
             g.setColor(Color.BLACK);
-            g.drawString(p.getName(), xp+15, zp);
-            g.drawString(str, xp+15, zp+15);
+            g.drawString(p.getName(), xp + 15, zp);
+            g.drawString(str, xp + 15, zp + 15);
             g.fillOval(xp, zp, 10, 10);
             g.setColor(Color.RED);
-            g.fillOval(xp+3, zp+3, 5, 5);
+            g.fillOval(xp + 3, zp + 3, 5, 5);
         }
     }
 
diff --git a/src/main/java/com/dfsek/terra/image/ImageLoader.java b/src/main/java/com/dfsek/terra/image/ImageLoader.java
index f8d4e5bc9..f041ca41c 100644
--- a/src/main/java/com/dfsek/terra/image/ImageLoader.java
+++ b/src/main/java/com/dfsek/terra/image/ImageLoader.java
@@ -18,20 +18,17 @@ import javax.imageio.ImageIO;
 
 public class ImageLoader {
     private final BufferedImage image;
+    private final Align align;
     double inverseRoot2 = 0.7071067811865475;
-    public ImageLoader(File file) throws IOException {
+    public ImageLoader(File file, Align align) throws IOException {
         image = ImageIO.read(file);
+        this.align = align;
     }
 
 
     public int getChannel(int x, int y, Channel channel) {
         int rgb;
-        try {
-            rgb = image.getRGB(Math.floorMod(x, image.getWidth()), Math.floorMod(y, image.getHeight()));
-        } catch(ArrayIndexOutOfBoundsException e) {
-            e.printStackTrace();
-            throw new IllegalArgumentException("Index " + x + "/" + x + "out of bounds for size " + image.getWidth() + "/" + image.getHeight());
-        }
+        rgb = align.getRGB(image, x, y);
         switch(channel) {
             case RED: return rgb >> 16 & 0xff;
             case GREEN: return rgb >> 8 & 0xff;
@@ -63,7 +60,7 @@ public class ImageLoader {
     public double getNoiseVal(int x, int y, Channel channel) {
         return ((double) (getChannel(x, y, channel) - 128)/128)*inverseRoot2;
     }
-    private static BufferedImage copyImage(BufferedImage source){
+    private static BufferedImage copyImage(BufferedImage source) {
         BufferedImage b = new BufferedImage(source.getWidth(), source.getHeight(), source.getType());
         Graphics g = b.getGraphics();
         g.drawImage(source, 0, 0, null);
@@ -71,7 +68,29 @@ public class ImageLoader {
         return b;
     }
 
+    public Align getAlign() {
+        return align;
+    }
+
     public enum Channel {
         RED, GREEN, BLUE, ALPHA
     }
+    public enum Align {
+        CENTER {
+            @Override
+            public int getRGB(BufferedImage image, int x, int y) {
+                return Align.getRGBNoAlign(image, x-(image.getWidth()/2), y-(image.getHeight()/2));
+            }
+        },
+        NONE {
+            @Override
+            public int getRGB(BufferedImage image, int x, int y) {
+                return image.getRGB(Math.floorMod(x, image.getWidth()), Math.floorMod(y, image.getHeight()));
+            }
+        };
+        public abstract int getRGB(BufferedImage image, int x, int y);
+        private static int getRGBNoAlign(BufferedImage image, int x, int y) {
+            return image.getRGB(Math.floorMod(x, image.getWidth()), Math.floorMod(y, image.getHeight()));
+        }
+    }
 }
diff --git a/src/main/java/com/dfsek/terra/structure/GaeaStructure.java b/src/main/java/com/dfsek/terra/structure/GaeaStructure.java
new file mode 100644
index 000000000..79222c73f
--- /dev/null
+++ b/src/main/java/com/dfsek/terra/structure/GaeaStructure.java
@@ -0,0 +1,90 @@
+package com.dfsek.terra.structure;
+
+import org.bukkit.Chunk;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.BlockData;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.util.Objects;
+
+public class GaeaStructure implements Serializable {
+    public static final long serialVersionUID = -6664585217063842034L;
+    private final StructureContainedBlock[][][] structure;
+
+    public static GaeaStructure load(File f) throws IOException {
+        try {
+            return fromFile(f);
+        } catch(ClassNotFoundException e) {
+            throw new IllegalArgumentException("Provided file does not contain a GaeaStructure.");
+        }
+    }
+
+    public GaeaStructure(Location l1, Location l2) {
+        if(l1.getX() > l2.getX() || l1.getY() > l2.getY() || l1.getZ() > l2.getZ()) throw new IllegalArgumentException("Invalid locations provided!");
+        structure = new StructureContainedBlock[l2.getBlockX()-l1.getBlockX()+1][l2.getBlockY()-l1.getBlockY()+1][l2.getBlockZ()-l1.getBlockZ()+1];
+        for(int x = 0; x <= l2.getBlockX()-l1.getBlockX(); x++) {
+            for(int y = 0; y <= l2.getBlockY()-l1.getBlockY(); y++) {
+                for(int z = 0; z <= l2.getBlockZ()-l1.getBlockZ(); z++) {
+                    structure[x][y][z] = new StructureContainedBlock(x, y, z, Objects.requireNonNull(l1.getWorld()).getBlockAt(l1.clone().add(x, y, z)));
+                }
+            }
+        }
+    }
+
+    public void paste(Location origin) {
+        for(StructureContainedBlock[][] bList2 : structure) {
+            for(StructureContainedBlock[] bList1 : bList2) {
+                for(StructureContainedBlock block : bList1) {
+                    BlockData data = block.getBlockData();
+                    Block worldBlock = origin.clone().add(block.getX(), block.getY(), block.getZ()).getBlock();
+                    if(!data.getMaterial().equals(Material.STRUCTURE_VOID)) worldBlock.setBlockData(data);
+                }
+            }
+        }
+    }
+
+    public void paste(Location origin, Chunk c) {
+        for(StructureContainedBlock[][] bList2 : structure) {
+            for(StructureContainedBlock[] bList1 : bList2) {
+                for(StructureContainedBlock block : bList1) {
+                    Location newLoc = origin.clone().add(block.getX(), block.getY(), block.getZ());
+                    BlockData data = block.getBlockData();
+                    if(newLoc.getChunk().equals(c) && !data.getMaterial().equals(Material.STRUCTURE_VOID)) newLoc.getBlock().setBlockData(block.getBlockData());
+                }
+            }
+        }
+    }
+
+    public void save(File f) throws IOException {
+        toFile(this, f);
+    }
+
+    private static GaeaStructure fromFile(File f) throws IOException, ClassNotFoundException {
+        ObjectInputStream ois = new ObjectInputStream(new FileInputStream(f));
+        Object o = ois.readObject();
+        ois.close();
+        return (GaeaStructure) o;
+    }
+
+    public static GaeaStructure fromStream(InputStream f) throws IOException, ClassNotFoundException {
+        ObjectInputStream ois = new ObjectInputStream(f);
+        Object o = ois.readObject();
+        ois.close();
+        return (GaeaStructure) o;
+    }
+
+    private static void toFile(Serializable o, File f) throws IOException {
+        ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(f));
+        oos.writeObject(o);
+        oos.close();
+    }
+}
diff --git a/src/main/java/com/dfsek/terra/structure/MultiPartStructure.java b/src/main/java/com/dfsek/terra/structure/MultiPartStructure.java
deleted file mode 100644
index d609071b3..000000000
--- a/src/main/java/com/dfsek/terra/structure/MultiPartStructure.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.dfsek.terra.structure;
-
-public class MultiPartStructure {
-}
diff --git a/src/main/java/com/dfsek/terra/structure/StructureContainedBlock.java b/src/main/java/com/dfsek/terra/structure/StructureContainedBlock.java
new file mode 100644
index 000000000..0b91683ba
--- /dev/null
+++ b/src/main/java/com/dfsek/terra/structure/StructureContainedBlock.java
@@ -0,0 +1,44 @@
+package com.dfsek.terra.structure;
+
+import org.bukkit.Bukkit;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.entity.Entity;
+
+import java.io.Serializable;
+
+public class StructureContainedBlock implements Serializable {
+    public static final long serialVersionUID = 6143969483382710947L;
+    private final transient BlockData bl;
+    private final String dataString;
+    private final int x;
+    private final int y;
+    private final int z;
+    public StructureContainedBlock(int x, int y, int z, Block block) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.bl = block.getBlockData();
+        dataString = bl.getAsString(false);
+    }
+
+    public int getX() {
+        return x;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+    public int getZ() {
+        return z;
+    }
+
+    public BlockData getBlockData() {
+        return bl == null ? Bukkit.createBlockData(dataString) : bl;
+    }
+
+    public String getDataAsString() {
+        return dataString;
+    }
+}
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index ee7c00467..8cdccb56d 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -3,6 +3,7 @@ main: com.dfsek.terra.Terra
 version: 1.0.0
 load: STARTUP
 api-version: "1.15"
+softdepend: ["WorldEdit"]
 commands:
   terra:
     description: Terra base command
diff --git a/src/main/resources/terra.commodore b/src/main/resources/terra.commodore
index 57c59cafc..65c37ca8d 100644
--- a/src/main/resources/terra.commodore
+++ b/src/main/resources/terra.commodore
@@ -24,4 +24,14 @@ terra {
       step;
     }
   }
+  structure {
+    export {
+      structure brigadier:string single_word;
+    }
+    load {
+      structure brigadier:string single_word {
+        respect_chunk brigadier:bool;
+      }
+    }
+  }
 }
\ No newline at end of file