Merge addon sources

6 files changed, 1597 insertions, 0 deletions

diff --git a/src/main/java/gtPlusPlus/everglades/gen/WorldGenDeadLilly.java b/src/main/java/gtPlusPlus/everglades/gen/WorldGenDeadLilly.java
new file mode 100644
index 0000000000..37947452c5
--- /dev/null
+++ b/src/main/java/gtPlusPlus/everglades/gen/WorldGenDeadLilly.java
@@ -0,0 +1,25 @@
+package gtPlusPlus.everglades.gen;
+
+import java.util.Random;
+
+import net.minecraft.init.Blocks;
+import net.minecraft.world.World;
+import net.minecraft.world.gen.feature.WorldGenWaterlily;
+
+public class WorldGenDeadLilly extends WorldGenWaterlily {
+
+    @Override
+    public boolean generate(World world, Random rand, int x, int y, int z) {
+        for (int l = 0; l < 10; ++l) {
+            int i1 = x + rand.nextInt(8) - rand.nextInt(8);
+            int j1 = y + rand.nextInt(4) - rand.nextInt(4);
+            int k1 = z + rand.nextInt(8) - rand.nextInt(8);
+
+            if (world.isAirBlock(i1, j1, k1) && Blocks.waterlily.canPlaceBlockAt(world, i1, j1, k1)) {
+                world.setBlock(i1, j1, k1, Blocks.waterlily, 0, 2);
+            }
+        }
+
+        return true;
+    }
+}
diff --git a/src/main/java/gtPlusPlus/everglades/gen/WorldGenMinable_Custom.java b/src/main/java/gtPlusPlus/everglades/gen/WorldGenMinable_Custom.java
new file mode 100644
index 0000000000..e3ce830f27
--- /dev/null
+++ b/src/main/java/gtPlusPlus/everglades/gen/WorldGenMinable_Custom.java
@@ -0,0 +1,90 @@
+package gtPlusPlus.everglades.gen;
+
+import static gtPlusPlus.core.lib.CORE.PI;
+
+import java.util.Random;
+
+import net.minecraft.block.Block;
+import net.minecraft.init.Blocks;
+import net.minecraft.util.MathHelper;
+import net.minecraft.world.World;
+import net.minecraft.world.gen.feature.WorldGenMinable;
+
+import gtPlusPlus.api.objects.Logger;
+
+public class WorldGenMinable_Custom extends WorldGenMinable {
+
+    /** The block to generate. */
+    private Block oreToGenerate;
+    /** The number of blocks to generate. */
+    private int numberOfBlocks;
+    /** The block to replace. */
+    private Block blockToReplace;
+    /** The meta of the block. */
+    private int mineableBlockMeta;
+
+    public WorldGenMinable_Custom(final Block block, final int count) {
+        super(block, count, Blocks.stone);
+    }
+
+    public WorldGenMinable_Custom(final Block block, final int count, final Block target) {
+        super(block, count, target);
+        this.oreToGenerate = block;
+        this.numberOfBlocks = count;
+        this.blockToReplace = target;
+    }
+
+    public WorldGenMinable_Custom(final Block block, final int meta, final int number, final Block target) {
+        this(block, number, target);
+        this.mineableBlockMeta = meta;
+    }
+
+    @Override
+    public boolean generate(final World world, final Random rand, final int x, final int y, final int z) {
+        final float f = rand.nextFloat() * PI;
+        final double d0 = x + 16 + ((MathHelper.sin(f) * this.numberOfBlocks) / 4.0F);
+        final double d1 = (x + 16) - ((MathHelper.sin(f) * this.numberOfBlocks) / 4.0F);
+        final double d2 = z + 16 + ((MathHelper.cos(f) * this.numberOfBlocks) / 4.0F);
+        final double d3 = (z + 16) - ((MathHelper.cos(f) * this.numberOfBlocks) / 4.0F);
+        final double d4 = (y + rand.nextInt(8)) - 1;
+        final double d5 = (y + rand.nextInt(8)) - 1;
+
+        for (int l = 0; l <= this.numberOfBlocks; ++l) {
+            final double d6 = d0 + (((d1 - d0) * l) / this.numberOfBlocks);
+            final double d7 = d4 + (((d5 - d4) * l) / this.numberOfBlocks);
+            final double d8 = d2 + (((d3 - d2) * l) / this.numberOfBlocks);
+            final double d9 = (rand.nextDouble() * this.numberOfBlocks) / 8.0D;
+            final double d10 = ((MathHelper.sin((l * PI) / this.numberOfBlocks) + 1.0F) * d9) + 1.0D;
+            final double d11 = ((MathHelper.sin((l * PI) / this.numberOfBlocks) + 1.0F) * d9) + 1.0D;
+            final int i1 = MathHelper.floor_double(d6 - (d10 / 2.0D));
+            final int j1 = MathHelper.floor_double(d7 - (d11 / 2.0D));
+            final int k1 = MathHelper.floor_double(d8 - (d10 / 2.0D));
+            final int l1 = MathHelper.floor_double(d6 + (d10 / 2.0D));
+            final int i2 = MathHelper.floor_double(d7 + (d11 / 2.0D));
+            final int j2 = MathHelper.floor_double(d8 + (d10 / 2.0D));
+
+            for (int k2 = i1; k2 <= l1; ++k2) {
+                final double d12 = ((k2 + 0.5D) - d6) / (d10 / 2.0D);
+                if ((d12 * d12) < 1.0D) {
+                    for (int l2 = j1; l2 <= i2; ++l2) {
+                        final double d13 = ((l2 + 0.5D) - d7) / (d11 / 2.0D);
+                        if (((d12 * d12) + (d13 * d13)) < 1.0D) {
+                            for (int i3 = k1; i3 <= j2; ++i3) {
+                                final double d14 = ((i3 + 0.5D) - d8) / (d10 / 2.0D);
+                                if ((((d12 * d12) + (d13 * d13) + (d14 * d14)) < 1.0D) && world.getBlock(k2, l2, i3)
+                                    .isReplaceableOreGen(world, k2, l2, i3, this.blockToReplace)) {
+                                    world.setBlock(k2, l2, i3, this.oreToGenerate, this.mineableBlockMeta, 3);
+                                    Logger.INFO(
+                                        "Generated a " + this.oreToGenerate
+                                            .getLocalizedName() + " at x: " + k2 + " | y: " + l2 + " | z: " + i3);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        return true;
+    }
+}
diff --git a/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT.java b/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT.java
new file mode 100644
index 0000000000..a35b528726
--- /dev/null
+++ b/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT.java
@@ -0,0 +1,49 @@
+package gtPlusPlus.everglades.gen.gt;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.concurrent.ConcurrentHashMap;
+
+import net.minecraft.world.World;
+import net.minecraft.world.chunk.IChunkProvider;
+
+import gtPlusPlus.xmod.gregtech.HANDLER_GT;
+
+public abstract class WorldGen_GT {
+
+    public final String mWorldGenName;
+    public final boolean mEnabled;
+    private final Map<String, Boolean> mDimensionMap = new ConcurrentHashMap<>();
+
+    public WorldGen_GT(String aName, List aList, boolean aDefault) {
+        this.mWorldGenName = aName;
+        this.mEnabled = HANDLER_GT.sCustomWorldgenFile.get("worldgen", this.mWorldGenName, aDefault);
+        if (this.mEnabled) {
+            aList.add(this);
+        }
+    }
+
+    public boolean executeWorldgen(World aWorld, Random aRandom, String aBiome, int aDimensionType, int aChunkX,
+        int aChunkZ, IChunkProvider aChunkGenerator, IChunkProvider aChunkProvider) {
+        return false;
+    }
+
+    public boolean executeCavegen(World aWorld, Random aRandom, String aBiome, int aDimensionType, int aChunkX,
+        int aChunkZ, IChunkProvider aChunkGenerator, IChunkProvider aChunkProvider) {
+        return false;
+    }
+
+    public boolean isGenerationAllowed(World aWorld, int aDimensionType, int aAllowedDimensionType) {
+        String aDimName = aWorld.provider.getDimensionName();
+        Boolean tAllowed = (Boolean) this.mDimensionMap.get(aDimName);
+        if (tAllowed == null) {
+            boolean tValue = HANDLER_GT.sCustomWorldgenFile
+                .get("worldgen.dimensions." + this.mWorldGenName, aDimName, aDimensionType == aAllowedDimensionType);
+            this.mDimensionMap.put(aDimName, Boolean.valueOf(tValue));
+            return tValue;
+        } else {
+            return tAllowed;
+        }
+    }
+}
diff --git a/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT_Base.java b/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT_Base.java
new file mode 100644
index 0000000000..ac93a847fa
--- /dev/null
+++ b/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT_Base.java
@@ -0,0 +1,580 @@
+package gtPlusPlus.everglades.gen.gt;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Random;
+
+import net.minecraft.block.Block;
+import net.minecraft.world.World;
+import net.minecraft.world.chunk.Chunk;
+import net.minecraft.world.chunk.IChunkProvider;
+import net.minecraft.world.gen.feature.WorldGenMinable;
+
+import cpw.mods.fml.common.IWorldGenerator;
+import gregtech.api.objects.XSTR;
+import gregtech.api.util.GT_Log;
+import gregtech.common.GT_Worldgenerator;
+import gtPlusPlus.api.objects.Logger;
+import gtPlusPlus.core.material.ELEMENT;
+import gtPlusPlus.everglades.dimension.Dimension_Everglades;
+import gtPlusPlus.xmod.gregtech.HANDLER_GT;
+
+public class WorldGen_GT_Base implements IWorldGenerator {
+
+    /**
+     * Class Variables
+     */
+
+    /**
+     * Control percentage of filled 3x3 chunks. Lower number means less oreveins spawn
+     */
+    public static int oreveinPercentage;
+    /**
+     * Control number of attempts to find a valid orevein. Generally this maximum limit isn't hit, selecting a vein is
+     * cheap
+     */
+    public static int oreveinAttempts;
+    /**
+     * Control number of attempts to place a valid orevein. If a vein wasn't placed due to height restrictions,
+     * completely in the water, etc, another attempt is tried.
+     */
+    public static int oreveinMaxPlacementAttempts;
+    /**
+     * Debug parameter for world generation. Tracks chunks added/removed from run queue.
+     */
+    public static boolean debugWorldGen = false;
+    /**
+     * Try re-implement Richard Hendrick's Chunk by Chunk Ore Generation from his GT5u fork.
+     */
+    public static List<Runnable> mList = new ArrayList<>();
+
+    public static HashSet<Long> ProcChunks = new HashSet<>();
+    // This is probably not going to work. Trying to create a fake orevein to
+    // put into hashtable when there will be no ores in a vein.
+    public static WorldGen_GT_Ore_Layer noOresInVein = new WorldGen_GT_Ore_Layer(
+        "vein0",
+        0,
+        255,
+        0,
+        0,
+        0,
+        ELEMENT.getInstance().IRON,
+        ELEMENT.getInstance().IRON,
+        ELEMENT.getInstance().IRON,
+        ELEMENT.getInstance().IRON);
+
+    public static Hashtable<Long, WorldGen_GT_Ore_Layer> validOreveins = new Hashtable<>(1024);
+
+    public boolean mIsGenerating = false;
+    public static final Object listLock = new Object();
+    // private static boolean gcAsteroids = true;
+
+    public WorldGen_GT_Base() {
+        if (debugWorldGen) {
+            GT_Log.out.println("GTPP_Worldgenerator created");
+        }
+    }
+
+    @Override
+    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator,
+        IChunkProvider chunkProvider) {
+        if (world.provider.dimensionId == Dimension_Everglades.DIMID) {
+            generateSafely(random, chunkX, chunkZ, world, chunkGenerator, chunkProvider);
+        }
+    }
+
+    public synchronized void generateSafely(Random random, int chunkX, int chunkZ, World world,
+        IChunkProvider chunkGenerator, IChunkProvider chunkProvider) {
+        int xDim = Dimension_Everglades.DIMID;
+        switch (world.provider.dimensionId) {
+            case -1: // Nether
+                // generateNether(world, random, chunkX * 16, chunkZ * 16);
+                break;
+            case 0: // Overworld
+                // generateSurface(world, random, chunkX * 16, chunkZ * 16);
+                break;
+            case 1: // End
+                // generateEnd(world, random, chunkX * 16, chunkZ * 16);
+                break;
+            default: // Any other dimension
+                if (world.provider.dimensionId != xDim) {
+                    break;
+                } else {
+                    generateEverglades(random, chunkX, chunkZ, world, chunkGenerator, chunkProvider);
+                    break;
+                }
+        }
+    }
+
+    private synchronized void generateEverglades(Random aRandom, int aX, int aZ, World aWorld,
+        IChunkProvider aChunkGenerator, IChunkProvider aChunkProvider) {
+        Logger.WORLD("Trying to Generate Dimension.");
+        synchronized (listLock) {
+            Logger.WORLD("Locked List addition.");
+            if (WorldGen_GT_Base.mList.add(
+                new WorldGenContainer(
+                    new XSTR(Math.abs(aRandom.nextInt()) + 1),
+                    aX,
+                    aZ,
+                    Dimension_Everglades.DIMID,
+                    aWorld,
+                    aChunkGenerator,
+                    aChunkProvider,
+                    aWorld.getBiomeGenForCoords(aX * 16 + 8, aZ * 16 + 8).biomeName))) {
+                Logger.WORLD("Locked List addition. Success.");
+            } else {
+                Logger.WORLD("Locked List addition. Fail.");
+            }
+            if (debugWorldGen) GT_Log.out.println(
+                "ADD WorldSeed:" + aWorld.getSeed()
+                    + " DimId"
+                    + aWorld.provider.dimensionId
+                    + " chunk x:"
+                    + aX
+                    + " z:"
+                    + aZ
+                    + " SIZE: "
+                    + WorldGen_GT_Base.mList.size());
+        }
+
+        if (!this.mIsGenerating) {
+            Logger.WORLD("Is not generating.");
+            this.mIsGenerating = true;
+            Logger.WORLD("Setting Generation to true.");
+            int mList_sS = WorldGen_GT_Base.mList.size();
+            mList_sS = Math.min(mList_sS, 3); // Run a maximum of 3 chunks at a
+            // time through worldgen. Extra
+            // chunks get done later.
+            for (int i = 0; i < mList_sS; i++) {
+                WorldGenContainer toRun = (WorldGenContainer) WorldGen_GT_Base.mList.get(0);
+                if (debugWorldGen) GT_Log.out.println(
+                    "RUN WorldSeed:" + aWorld.getSeed()
+                        + " DimId"
+                        + aWorld.provider.dimensionId
+                        + " chunk x:"
+                        + toRun.mX
+                        + " z:"
+                        + toRun.mZ
+                        + " SIZE: "
+                        + WorldGen_GT_Base.mList.size()
+                        + " i: "
+                        + i);
+                synchronized (listLock) {
+                    Logger.WORLD("Locked List Removal.");
+                    WorldGen_GT_Base.mList.remove(0);
+                }
+                toRun.run();
+            }
+            this.mIsGenerating = false;
+            Logger.WORLD("Is Generating now set to false..");
+        }
+    }
+
+    public void generateOre(Block block, World world, Random random, int chunk_x, int chunk_z, int maxX, int maxZ,
+        int maxVeinSize, int chancesToSpawn, int minY, int maxY, Block generateIn) {
+        int heightRange = maxY - minY;
+        WorldGenMinable worldgenminable = new WorldGenMinable(block, maxVeinSize, generateIn);
+        for (int k1 = 0; k1 < chancesToSpawn; ++k1) {
+            int xrand = random.nextInt(16);
+            int yrand = random.nextInt(heightRange) + minY;
+            int zrand = random.nextInt(16);
+            worldgenminable.generate(world, random, chunk_x + xrand, yrand, chunk_z + zrand);
+        }
+    }
+
+    public static class WorldGenContainer implements Runnable {
+
+        public final Random mRandom;
+        public final int mX;
+        public final int mZ;
+        public final int mDimensionType;
+        public final World mWorld;
+        public final IChunkProvider mChunkGenerator;
+        public final IChunkProvider mChunkProvider;
+        public final String mBiome;
+
+        // Local class to track which orevein seeds must be checked when doing
+        // chunkified worldgen
+        class NearbySeeds {
+
+            public int mX;
+            public int mZ;
+
+            NearbySeeds(int x, int z) {
+                this.mX = x;
+                this.mZ = z;
+            }
+        };
+
+        public static ArrayList<NearbySeeds> seedList = new ArrayList<>();
+
+        // aX and aZ are now the by-chunk X and Z for the chunk of interest
+        public WorldGenContainer(Random aRandom, int aX, int aZ, int aDimensionType, World aWorld,
+            IChunkProvider aChunkGenerator, IChunkProvider aChunkProvider, String aBiome) {
+            this.mRandom = aRandom;
+            this.mX = aX;
+            this.mZ = aZ;
+            this.mDimensionType = aDimensionType;
+            this.mWorld = aWorld;
+            this.mChunkGenerator = aChunkGenerator;
+            this.mChunkProvider = aChunkProvider;
+            this.mBiome = aBiome;
+        }
+
+        public void worldGenFindVein(int oreseedX, int oreseedZ) {
+            // Explanation of oreveinseed implementation.
+            // (long)this.mWorld.getSeed()<<16) Deep Dark does two oregen
+            // passes, one with getSeed set to +1 the original world seed. This
+            // pushes that +1 off the low bits of oreseedZ, so that the hashes
+            // are far apart for the two passes.
+            // ((this.mWorld.provider.dimensionId & 0xffL)<<56) Puts the
+            // dimension in the top bits of the hash, to make sure to get unique
+            // hashes per dimension
+            // ((long)oreseedX & 0x000000000fffffffL) << 28) Puts the chunk X in
+            // the bits 29-55. Cuts off the top few bits of the chunk so we have
+            // bits for dimension.
+            // ( (long)oreseedZ & 0x000000000fffffffL )) Puts the chunk Z in the
+            // bits 0-27. Cuts off the top few bits of the chunk so we have bits
+            // for dimension.
+            long oreveinSeed = (this.mWorld.getSeed() << 16)
+                ^ ((this.mWorld.provider.dimensionId & 0xffL) << 56 | ((oreseedX & 0x000000000fffffffL) << 28)
+                    | (oreseedZ & 0x000000000fffffffL)); // Use
+            // an
+            // RNG
+            // that
+            // is
+            // identical
+            // every
+            // time
+            // it
+            // is
+            // called
+            // for
+            // this
+            // oreseed.
+            XSTR oreveinRNG = new XSTR(oreveinSeed);
+            int oreveinPercentageRoll = oreveinRNG.nextInt(100); // Roll the
+            // dice, see
+            // if we get
+            // an
+            // orevein
+            // here at
+            // all
+            int noOrePlacedCount = 0;
+            String tDimensionName = "";
+            if (debugWorldGen) {
+                tDimensionName = this.mWorld.provider.getDimensionName();
+            }
+
+            if (debugWorldGen) {
+                GT_Log.out.println(
+                    " Finding oreveins for oreveinSeed=" + oreveinSeed
+                        + " mX="
+                        + this.mX
+                        + " mZ="
+                        + this.mZ
+                        + " oreseedX="
+                        + oreseedX
+                        + " oreseedZ="
+                        + oreseedZ
+                        + " worldSeed="
+                        + this.mWorld.getSeed());
+            }
+
+            Logger
+                .INFO("[World Generation Debug] !validOreveins.containsKey(oreveinSeed) | oreveinSeed: " + oreveinSeed);
+            // Search for a valid orevein for this dimension
+            if (!validOreveins.containsKey(oreveinSeed)) {
+
+                Logger.INFO(
+                    "[World Generation Debug] oreveinPercentageRoll < oreveinPercentage? "
+                        + ((oreveinPercentageRoll < oreveinPercentage)));
+                Logger.INFO(
+                    "[World Generation Debug] WorldGen_GT_Ore_Layer.sWeight > 0? "
+                        + (WorldGen_GT_Ore_Layer.sWeight > 0));
+                Logger.INFO(
+                    "[World Generation Debug] WorldGen_GT_Ore_Layer.sList.size() > 0? "
+                        + (WorldGen_GT_Ore_Layer.sList.size() > 0));
+                if ((oreveinPercentageRoll < oreveinPercentage) && (WorldGen_GT_Ore_Layer.sWeight > 0)
+                    && (WorldGen_GT_Ore_Layer.sList.size() > 0)) {
+                    int placementAttempts = 0;
+                    boolean oreveinFound = false;
+                    int i;
+                    for (i = 0; (i < oreveinAttempts) && (!oreveinFound)
+                        && (placementAttempts < oreveinMaxPlacementAttempts); i++) {
+                        Logger.INFO("[World Generation Debug] i: " + i);
+                        Logger.INFO("[World Generation Debug] placementAttempts: " + placementAttempts);
+                        Logger.INFO("[World Generation Debug] oreveinAttempts: " + oreveinAttempts);
+                        Logger.INFO(
+                            "[World Generation Debug] (placementAttempts < oreveinMaxPlacementAttempts): "
+                                + (placementAttempts < oreveinMaxPlacementAttempts));
+                        Logger.INFO("[World Generation Debug] oreveinFound: " + oreveinFound);
+                        int tRandomWeight = oreveinRNG.nextInt(WorldGen_GT_Ore_Layer.sWeight);
+                        for (WorldGen_GT_Ore_Layer tWorldGen : WorldGen_GT_Ore_Layer.sList) {
+                            Logger.INFO(
+                                "[World Generation Debug] Iterating sList - Size: "
+                                    + WorldGen_GT_Ore_Layer.sList.size());
+                            tRandomWeight -= (tWorldGen).mWeight;
+                            if (tRandomWeight <= 0) {
+                                try {
+                                    // Adjust the seed so that this layer has a
+                                    // series of unique random numbers.
+                                    // Otherwise multiple attempts at this same
+                                    // oreseed will get the same offset and X/Z
+                                    // values. If an orevein failed, any orevein
+                                    // with the
+                                    // same minimum heights would fail as well.
+                                    // This prevents that, giving each orevein a
+                                    // unique height each pass through here.
+                                    int placementResult = tWorldGen.executeWorldgenChunkified(
+                                        this.mWorld,
+                                        new XSTR(oreveinSeed ^ (Block.getIdFromBlock(tWorldGen.mPrimaryMeta))),
+                                        this.mBiome,
+                                        this.mDimensionType,
+                                        this.mX * 16,
+                                        this.mZ * 16,
+                                        oreseedX * 16,
+                                        oreseedZ * 16,
+                                        this.mChunkGenerator,
+                                        this.mChunkProvider);
+                                    switch (placementResult) {
+                                        case WorldGen_GT_Ore_Layer.ORE_PLACED -> {
+                                            if (debugWorldGen) GT_Log.out.println(
+                                                " Added oreveinSeed=" + oreveinSeed
+                                                    + " tries at oremix="
+                                                    + i
+                                                    + " placementAttempts="
+                                                    + placementAttempts
+                                                    + " dimensionName="
+                                                    + tDimensionName);
+                                            validOreveins.put(oreveinSeed, tWorldGen);
+                                            oreveinFound = true;
+                                            Logger.INFO("[World Generation Debug] ORE_PLACED");
+                                        }
+                                        case WorldGen_GT_Ore_Layer.NO_ORE_IN_BOTTOM_LAYER -> {
+                                            placementAttempts++;
+                                            Logger.INFO(
+                                                "[World Generation Debug] NO_ORE_IN_BOTTOM_LAYER | Attempts: "
+                                                    + placementAttempts);
+                                        }
+                                        // SHould do retry in this case
+                                        // until out of chances
+                                        case WorldGen_GT_Ore_Layer.NO_OVERLAP -> {
+                                            // Orevein didn't reach this chunk,
+                                            // can't add it yet to the hash
+                                            Logger.INFO("[World Generation Debug] NO_OVERLAP");
+                                            if (debugWorldGen) GT_Log.out.println(
+                                                " Added far oreveinSeed=" + oreveinSeed
+                                                    + " "
+                                                    + (tWorldGen).mWorldGenName
+                                                    + " tries at oremix="
+                                                    + i
+                                                    + " placementAttempts="
+                                                    + placementAttempts
+                                                    + " dimensionName="
+                                                    + tDimensionName);
+                                            validOreveins.put(oreveinSeed, tWorldGen);
+                                            oreveinFound = true;
+                                        }
+                                        case WorldGen_GT_Ore_Layer.NO_OVERLAP_AIR_BLOCK -> {
+                                            if (debugWorldGen) GT_Log.out.println(
+                                                " No overlap and air block in test spot=" + oreveinSeed
+                                                    + " "
+                                                    + (tWorldGen).mWorldGenName
+                                                    + " tries at oremix="
+                                                    + i
+                                                    + " placementAttempts="
+                                                    + placementAttempts
+                                                    + " dimensionName="
+                                                    + tDimensionName);
+                                            // SHould do retry in this case until out of chances
+                                            Logger.INFO("[World Generation Debug] NO_OVERLAP_AIR_BLOCK");
+                                            placementAttempts++;
+                                        }
+                                    }
+                                    break; // Try the next orevein
+                                } catch (Throwable e) {
+                                    if (debugWorldGen) GT_Log.out.println(
+                                        "Exception occurred on oreVein" + tWorldGen
+                                            + " oreveinSeed="
+                                            + oreveinSeed
+                                            + " mX="
+                                            + this.mX
+                                            + " mZ="
+                                            + this.mZ
+                                            + " oreseedX="
+                                            + oreseedX
+                                            + " oreseedZ="
+                                            + oreseedZ);
+                                    e.printStackTrace(GT_Log.err);
+                                }
+                            }
+                        }
+                    }
+                    // Only add an empty orevein if are unable to place a vein
+                    // at the oreseed chunk.
+                    if ((!oreveinFound) && (this.mX == oreseedX) && (this.mZ == oreseedZ)) {
+                        if (debugWorldGen) GT_Log.out.println(
+                            " Empty oreveinSeed=" + oreveinSeed
+                                + " mX="
+                                + this.mX
+                                + " mZ="
+                                + this.mZ
+                                + " oreseedX="
+                                + oreseedX
+                                + " oreseedZ="
+                                + oreseedZ
+                                + " tries at oremix="
+                                + i
+                                + " placementAttempts="
+                                + placementAttempts
+                                + " dimensionName="
+                                + tDimensionName);
+                        validOreveins.put(oreveinSeed, noOresInVein);
+                    }
+                } else if (oreveinPercentageRoll >= oreveinPercentage) {
+                    if (debugWorldGen) GT_Log.out.println(
+                        " Skipped oreveinSeed=" + oreveinSeed
+                            + " mX="
+                            + this.mX
+                            + " mZ="
+                            + this.mZ
+                            + " oreseedX="
+                            + oreseedX
+                            + " oreseedZ="
+                            + oreseedZ
+                            + " RNG="
+                            + oreveinPercentageRoll
+                            + " %="
+                            + oreveinPercentage
+                            + " dimensionName="
+                            + tDimensionName);
+                    validOreveins.put(oreveinSeed, noOresInVein);
+                }
+            } else {
+                // oreseed is located in the previously processed table
+                if (debugWorldGen) GT_Log.out
+                    .print(" Valid oreveinSeed=" + oreveinSeed + " validOreveins.size()=" + validOreveins.size() + " ");
+                WorldGen_GT_Ore_Layer tWorldGen = validOreveins.get(oreveinSeed);
+                oreveinRNG.setSeed(oreveinSeed ^ (Block.getIdFromBlock(tWorldGen.mPrimaryMeta))); // Reset
+                // RNG
+                // to
+                // only
+                // be
+                // based
+                // on
+                // oreseed
+                // X/Z
+                // and
+                // type
+                // of
+                // vein
+                int placementResult = tWorldGen.executeWorldgenChunkified(
+                    this.mWorld,
+                    oreveinRNG,
+                    this.mBiome,
+                    this.mDimensionType,
+                    this.mX * 16,
+                    this.mZ * 16,
+                    oreseedX * 16,
+                    oreseedZ * 16,
+                    this.mChunkGenerator,
+                    this.mChunkProvider);
+                switch (placementResult) {
+                    case WorldGen_GT_Ore_Layer.NO_ORE_IN_BOTTOM_LAYER -> {
+                        if (debugWorldGen) GT_Log.out.println(" No ore in bottom layer");
+                    }
+                    case WorldGen_GT_Ore_Layer.NO_OVERLAP -> {
+                        if (debugWorldGen) GT_Log.out.println(" No overlap");
+                    }
+                }
+            }
+        }
+
+        @Override
+        public void run() {
+            long startTime = System.nanoTime();
+            int oreveinMaxSize;
+
+            // Determine bounding box on how far out to check for oreveins
+            // affecting this chunk
+            // For now, manually reducing oreveinMaxSize when not in the
+            // Underdark for performance
+            if (this.mWorld.provider.getDimensionName()
+                .equals("Underdark")) {
+                oreveinMaxSize = 24; // Leave Deep Dark/Underdark max oregen at
+                // 32, instead of 64
+            } else {
+                oreveinMaxSize = 48;
+            }
+
+            int wXbox = this.mX - (oreveinMaxSize / 16);
+            int eXbox = this.mX + (oreveinMaxSize / 16 + 1); // Need to add 1
+            // since it is
+            // compared
+            // using a <
+            int nZbox = this.mZ - (oreveinMaxSize / 16);
+            int sZbox = this.mZ + (oreveinMaxSize / 16 + 1);
+
+            // Search for orevein seeds and add to the list;
+            for (int x = wXbox; x < eXbox; x++) {
+                for (int z = nZbox; z < sZbox; z++) {
+                    // Determine if this X/Z is an orevein seed
+                    if (GT_Worldgenerator.isOreChunk(x, z)) {
+                        if (debugWorldGen) GT_Log.out.println("Adding seed x=" + x + " z=" + z);
+                        seedList.add(new NearbySeeds(x, z));
+                    }
+                }
+            }
+
+            // Now process each oreseed vs this requested chunk
+            for (; seedList.size() != 0; seedList.remove(0)) {
+                if (debugWorldGen)
+                    GT_Log.out.println("Processing seed x=" + seedList.get(0).mX + " z=" + seedList.get(0).mZ);
+                worldGenFindVein(seedList.get(0).mX, seedList.get(0).mZ);
+            }
+
+            long oregenTime = System.nanoTime();
+
+            // Do leftover worldgen for this chunk (GT_Stones and GT_small_ores)
+            try {
+                for (WorldGen_GT tWorldGen : HANDLER_GT.sWorldgenListEverglades) {
+                    /*
+                     * if (debugWorldGen) GT_Log.out.println( "tWorldGen.mWorldGenName="+tWorldGen.mWorldGenName );
+                     */
+                    tWorldGen.executeWorldgen(
+                        this.mWorld,
+                        this.mRandom,
+                        this.mBiome,
+                        this.mDimensionType,
+                        this.mX * 16,
+                        this.mZ * 16,
+                        this.mChunkGenerator,
+                        this.mChunkProvider);
+                }
+            } catch (Throwable e) {
+                e.printStackTrace(GT_Log.err);
+            }
+
+            long leftOverTime = System.nanoTime();
+
+            Chunk tChunk = this.mWorld.getChunkFromBlockCoords(this.mX, this.mZ);
+            if (tChunk != null) {
+                tChunk.isModified = true;
+            }
+            long endTime = System.nanoTime();
+            long duration = (endTime - startTime);
+            if (debugWorldGen) {
+                GT_Log.out.println(
+                    " Oregen took " + (oregenTime - startTime)
+                        + " Leftover gen took "
+                        + (leftOverTime - oregenTime)
+                        + " Worldgen took "
+                        + duration
+                        + " nanoseconds");
+            }
+        }
+    }
+}
diff --git a/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT_Ore_Layer.java b/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT_Ore_Layer.java
new file mode 100644
index 0000000000..773109a818
--- /dev/null
+++ b/src/main/java/gtPlusPlus/everglades/gen/gt/WorldGen_GT_Ore_Layer.java
@@ -0,0 +1,590 @@
+package gtPlusPlus.everglades.gen.gt;
+
+import static gtPlusPlus.everglades.gen.gt.WorldGen_GT_Base.debugWorldGen;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+
+import net.minecraft.block.Block;
+import net.minecraft.init.Blocks;
+import net.minecraft.util.MathHelper;
+import net.minecraft.world.World;
+import net.minecraft.world.chunk.IChunkProvider;
+
+import gregtech.api.GregTech_API;
+import gregtech.api.enums.Materials;
+import gregtech.api.util.GT_Log;
+import gregtech.common.blocks.GT_Block_Ores;
+import gregtech.common.blocks.GT_TileEntity_Ores;
+import gtPlusPlus.api.objects.Logger;
+import gtPlusPlus.core.material.Material;
+import gtPlusPlus.core.ut