Lots of crap

src/main/java/com/volmit/iris/Iris.java

@@ -27,6 +27,7 @@ import com.volmit.iris.core.link.OraxenLink;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.service.StudioSVC;
+import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.EnginePanic;
 import com.volmit.iris.engine.object.IrisBiome;
 import com.volmit.iris.engine.object.IrisCompat;

src/main/java/com/volmit/iris/core/tools/IrisToolbelt.java

@@ -32,15 +32,21 @@ import com.volmit.iris.engine.platform.PlatformChunkGenerator;
 import com.volmit.iris.util.plugin.VolmitSender;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
+import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.Player;
 
 import java.io.File;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * Something you really want to wear if working on Iris. Shit gets pretty hectic down there.
  * Hope you packed snacks & road sodas.
  */
 public class IrisToolbelt {
+    public static Map<String, Boolean> toolbeltConfiguration = new HashMap<>();
+
     /**
      * Will find / download / search for the dimension or return null
      * <p>
@@ -210,4 +216,54 @@ public class IrisToolbelt {
     public static boolean isStudio(World i) {
         return isIrisWorld(i) && access(i).isStudio();
     }
+
+    public static void retainMantleDataForSlice(String className)
+    {
+        toolbeltConfiguration.put("retain.mantle." + className, true);
+    }
+
+    public static <T> T getMantleData(World world, int x, int y, int z, Class<T> of)
+    {
+        PlatformChunkGenerator e = access(world);
+        if(e == null) {return null;}
+        return e.getEngine().getMantle().getMantle().get(x, y - world.getMinHeight(), z, of);
+    }
+
+    /////////////////// REFLECTIVE METHODS //////////////////////////
+    // Copy this stuff to your project, it's safe to use with a
+    // bukkit api only.
+    /////////////////////////////////////////////////////////////////
+
+    public static void setup() throws Throwable {
+        Method m = Class.forName("com.volmit.iris.core.tools.IrisToolbelt").getDeclaredMethod("retainMantleDataForSlice", String.class);
+        m.invoke(null, String.class.getCanonicalName());
+        m.invoke(null, BlockData.class.getCanonicalName());
+    }
+
+    public static boolean hasMantleObject(World world, int x, int y, int z) {
+        try {
+            Method m = Class.forName("com.volmit.iris.core.tools.IrisToolbelt").getDeclaredMethod("getMantleData", World.class, int.class, int.class, int.class, Class.class);
+            String s = (String) m.invoke(null, world, x, y, z, String.class);
+            if(s != null) {return true;}
+        } catch(Throwable ignored) {}
+        return false;
+    }
+
+    public static BlockData getMantleBlock(World world, int x, int y, int z) {
+        try {
+            Method m = Class.forName("com.volmit.iris.core.tools.IrisToolbelt").getDeclaredMethod("getMantleData", World.class, int.class, int.class, int.class, Class.class);
+            BlockData s = (BlockData) m.invoke(null, world, x, y, z, BlockData.class);
+            if(s != null) {return s;}
+        } catch(Throwable ignored) {}
+        return null;
+    }
+
+    public static int getMantleIdentity(World world, int x, int y, int z) {
+        try {
+            Method m = Class.forName("com.volmit.iris.core.tools.IrisToolbelt").getDeclaredMethod("getMantleData", World.class, int.class, int.class, int.class, Class.class);
+            String s = (String) m.invoke(null, world, x, y, z, String.class);
+            if(s != null) {return Integer.parseInt(s.split("\\Q@\\E")[1]);}
+        } catch(Throwable ignored) {}
+        return -1;
+    }
 }

src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java

@@ -24,6 +24,7 @@ import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IObjectPlacer;
+import com.volmit.iris.engine.object.IrisGeneratorStyle;
 import com.volmit.iris.engine.object.IrisPosition;
 import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.collection.KMap;
@@ -31,6 +32,7 @@ import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.function.Function3;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleChunk;
+import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.Matter;
 import lombok.Data;
 import org.bukkit.block.TileState;
@@ -121,6 +123,13 @@ public class MantleWriter implements IObjectPlacer {
         return (x * x) + (z * z);
     }
 
+    public <T> void setDataWarped(int x, int y, int z, T t, RNG rng, IrisData data, IrisGeneratorStyle style)
+    {
+        setData((int)Math.round(style.warp(rng, data, x, x, y, -z)),
+            (int)Math.round(style.warp(rng, data, y, z, -x, y)),
+            (int)Math.round(style.warp(rng, data, z, -y, z, x)), t);
+    }
+
     public <T> void setData(int x, int y, int z, T t) {
         if(t == null) {
             return;
@@ -233,6 +242,10 @@ public class MantleWriter implements IObjectPlacer {
         setElipsoidFunction(cx, cy, cz, rx, ry, rz, fill, (a, b, c) -> data);
     }
 
+    public <T> void setElipsoidWarped(int cx, int cy, int cz, double rx, double ry, double rz, boolean fill, T data, RNG rng, IrisData idata, IrisGeneratorStyle style) {
+        setElipsoidFunctionWarped(cx, cy, cz, rx, ry, rz, fill, (a, b, c) -> data, rng, idata, style);
+    }
+
     /**
      * Set an elipsoid into the mantle
      *
@@ -312,6 +325,63 @@ public class MantleWriter implements IObjectPlacer {
         }
     }
 
+    public <T> void setElipsoidFunctionWarped(int cx, int cy, int cz, double rx, double ry, double rz, boolean fill, Function3<Integer, Integer, Integer, T> data, RNG rng, IrisData idata, IrisGeneratorStyle style) {
+        rx += 0.5;
+        ry += 0.5;
+        rz += 0.5;
+        final double invRadiusX = 1 / rx;
+        final double invRadiusY = 1 / ry;
+        final double invRadiusZ = 1 / rz;
+        final int ceilRadiusX = (int) Math.ceil(rx);
+        final int ceilRadiusY = (int) Math.ceil(ry);
+        final int ceilRadiusZ = (int) Math.ceil(rz);
+        double nextXn = 0;
+
+        forX:
+        for(int x = 0; x <= ceilRadiusX; ++x) {
+            final double xn = nextXn;
+            nextXn = (x + 1) * invRadiusX;
+            double nextYn = 0;
+            forY:
+            for(int y = 0; y <= ceilRadiusY; ++y) {
+                final double yn = nextYn;
+                nextYn = (y + 1) * invRadiusY;
+                double nextZn = 0;
+                for(int z = 0; z <= ceilRadiusZ; ++z) {
+                    final double zn = nextZn;
+                    nextZn = (z + 1) * invRadiusZ;
+
+                    double distanceSq = lengthSq(xn, yn, zn);
+                    if(distanceSq > 1) {
+                        if(z == 0) {
+                            if(y == 0) {
+                                break forX;
+                            }
+                            break forY;
+                        }
+                        break;
+                    }
+
+                    if(!fill) {
+                        if(lengthSq(nextXn, yn, zn) <= 1 && lengthSq(xn, nextYn, zn) <= 1 && lengthSq(xn, yn, nextZn) <= 1) {
+                            continue;
+                        }
+                    }
+
+                    setDataWarped(x + cx, y + cy, z + cz, data.apply(x + cx, y + cy, z + cz), rng, idata, style);
+                    setDataWarped(-x + cx, y + cy, z + cz, data.apply(-x + cx, y + cy, z + cz), rng, idata, style);
+                    setDataWarped(x + cx, -y + cy, z + cz, data.apply(x + cx, -y + cy, z + cz), rng, idata, style);
+                    setDataWarped(x + cx, y + cy, -z + cz, data.apply(x + cx, y + cy, -z + cz), rng, idata, style);
+                    setDataWarped(-x + cx, y + cy, -z + cz, data.apply(-x + cx, y + cy, -z + cz), rng, idata, style);
+                    setDataWarped(-x + cx, -y + cy, z + cz, data.apply(-x + cx, -y + cy, z + cz), rng, idata, style);
+                    setDataWarped(x + cx, -y + cy, -z + cz, data.apply(x + cx, -y + cy, -z + cz), rng, idata, style);
+                    setDataWarped(-x + cx, y + cy, -z + cz, data.apply(-x + cx, y + cy, -z + cz), rng, idata, style);
+                    setDataWarped(-x + cx, -y + cy, -z + cz, data.apply(-x + cx, -y + cy, -z + cz), rng, idata, style);
+                }
+            }
+        }
+    }
+
     /**
      * Set a cuboid of data in the mantle
      *

src/main/java/com/volmit/iris/engine/object/IrisGeneratorStyle.java

@@ -128,6 +128,11 @@ public class IrisGeneratorStyle {
         return cng;
     }
 
+    public double warp(RNG rng, IrisData data, double value, double... coords)
+    {
+        return create(rng, data).noise(coords) + value;
+    }
+
     public CNG create(RNG rng, IrisData data) {
         return cng.aquire(() -> createNoCache(rng, data));
     }

src/main/java/com/volmit/iris/util/mantle/Mantle.java

@@ -20,6 +20,7 @@ package com.volmit.iris.util.mantle;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.mantle.EngineMantle;
@@ -570,6 +571,11 @@ public class Mantle {
     }
 
     public void deleteChunkSlice(int x, int z, Class<?> c) {
+        if(!IrisToolbelt.toolbeltConfiguration.isEmpty() && IrisToolbelt.toolbeltConfiguration.getOrDefault("retain.mantle." + c.getCanonicalName(), false))
+        {
+            return;
+        }
+
         getChunk(x, z).deleteSlices(c);
     }
 

src/main/java/com/volmit/iris/util/mantle/MantleFlag.java

@@ -31,7 +31,8 @@ public enum MantleFlag {
     FLUID_BODIES,
     INITIAL_SPAWNED_MARKER,
     CLEANED,
-    PLANNED;
+    PLANNED,
+    ETCHED;
 
     static StateList getStateList() {
         return new StateList(MantleFlag.values());

src/main/java/com/volmit/iris/util/matter/slices/CavernMatter.java

@@ -29,6 +29,7 @@ import java.io.IOException;
 @Sliced
 public class CavernMatter extends RawMatter<MatterCavern> {
     public static final MatterCavern EMPTY = new MatterCavern(false, "", (byte) 0);
+    public static final MatterCavern BASIC = new MatterCavern(true, "", (byte) 0);
 
     public CavernMatter() {
         this(1, 1, 1);