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package ihl.worldgen;
import ihl.utils.IHLMathUtils;
import ihl.utils.IHLUtils;
import net.minecraft.block.Block;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
public class WorldGeneratorUndergroundLake extends WorldGeneratorBase {
private final Block clayBlock;
public WorldGeneratorUndergroundLake(Block oreIn, Block clayIn, Block[] replaceableBlocksIn) {
super(oreIn, replaceableBlocksIn);
clayBlock = clayIn;
}
@Override
protected void replaceBlocks(World world, int[] centralPOI, int[] surroundPOI, int startX, int startZ) {
int x = centralPOI[0], y = centralPOI[1] - world.getActualHeight() / 4, z = centralPOI[2];
for (int ix = x; ix < 16 && ix >= 0; ix += IHLMathUtils.sign(surroundPOI[0] - x)) {
int y2 = y += IHLMathUtils.sign(surroundPOI[1] - world.getActualHeight() / 4 - y);
nextZ:for (int iz = z; iz < 16 && iz >= 0; iz += IHLMathUtils.sign(surroundPOI[2] - z)) {
y2 += IHLMathUtils.sign(surroundPOI[1] - world.getActualHeight() / 4 - y2);
int dx = ix - x;
int dz = iz - z;
int d = dx * dx + dz * dz;
if (y2 > 1 && d < 64) {
for (int iy = y2; iy > 0; iy--) {
int absX = ix + startX;
int absZ = iz + startZ;
int absY = iy;
Chunk chunk = world.getChunkFromBlockCoords(absX, absZ);
ExtendedBlockStorage ebs = chunk.getBlockStorageArray()[absY >> 4];
if (ebs != null && replaceableBlocks.contains(ebs.getBlockByExtId(absX & 15, absY & 15, absZ & 15))) {
int[] xyz = new int[] { 0, 0, -1, 0, 0, 1, 0, 0 };
for (int i = 2; i < xyz.length; i++) {
int absX2 = absX + xyz[i - 2];
int absZ2 = absZ + xyz[i];
if (!world.getChunkProvider().chunkExists(absX2 >> 4, absZ2 >> 4)) {
continue nextZ;
}
this.replaceAllExceptOre(world, absX2, iy + xyz[i - 1], absZ2, clayBlock);
}
IHLUtils.setBlockRaw(ebs, absX & 15, absY & 15, absZ & 15, ore);
}
}
}
if (surroundPOI[2] == z) {
break;
}
}
if (surroundPOI[0] == x) {
break;
}
}
}
}
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