public void generateTerrain(int chunkX, int chunkZ, short[] idArray, byte[] metaArray) {
byte b0 = 4;
byte b1 = 16;
byte b2 = 63;
int k = b0 + 1;
byte b3 = 17;
int l = b0 + 1;
this.biomesForGeneration = this.worldObj.getWorldChunkManager().getBiomesForGeneration(this.biomesForGeneration, chunkX * 4 - 2, chunkZ * 4 - 2, k + 5, l + 5);
this.noiseArray = this.initializeNoiseField(this.noiseArray, chunkX * b0, 0, chunkZ * b0, k, b3, l);
for(int i1 = 0; i1 < b0; ++i1) {
for(int j1 = 0; j1 < b0; ++j1) {
for(int k1 = 0; k1 < b1; ++k1) {
double d0 = 0.125D;
double d1 = this.noiseArray[((i1 + 0) * l + j1 + 0) * b3 + k1 + 0];
double d2 = this.noiseArray[((i1 + 0) * l + j1 + 1) * b3 + k1 + 0];
double d3 = this.noiseArray[((i1 + 1) * l + j1 + 0) * b3 + k1 + 0];
double d4 = this.noiseArray[((i1 + 1) * l + j1 + 1) * b3 + k1 + 0];
double d5 = (this.noiseArray[((i1 + 0) * l + j1 + 0) * b3 + k1 + 1] - d1) * d0;
double d6 = (this.noiseArray[((i1 + 0) * l + j1 + 1) * b3 + k1 + 1] - d2) * d0;
double d7 = (this.noiseArray[((i1 + 1) * l + j1 + 0) * b3 + k1 + 1] - d3) * d0;
double d8 = (this.noiseArray[((i1 + 1) * l + j1 + 1) * b3 + k1 + 1] - d4) * d0;
for(int l1 = 0; l1 < 8; ++l1) {
double d9 = 0.25D;
double d10 = d1;
double d11 = d2;
double d12 = (d3 - d1) * d9;
double d13 = (d4 - d2) * d9;
for(int i2 = 0; i2 < 4; ++i2) {
int j2 = i2 + i1 * 4 << 11 | 0 + j1 * 4 << 7 | k1 * 8 + l1;
short short1 = 128;
j2 -= short1;
double d14 = 0.25D;
double d15 = (d11 - d10) * d14;
double d16 = d10 - d15;
for(int k2 = 0; k2 < 4; ++k2) {
if((d16 += d15) > 0.0D) {
j2 += short1;
idArray[j2] = (short)PlanetsBlocks.planetBottom.blockID;
metaArray[j2] = (byte) 3;
}
}
d10 += d12;
d11 += d13;
}
d1 += d5;
d2 += d6;
d3 += d7;
d4 += d8;
}
}
}
}
}
public void replaceBlocksForBiome(int par1, int par2, short[] arrayOfIDs, byte[] arrayOfMeta, BiomeGenBase[] par4ArrayOfBiomeGenBase)
{
final int var5 = 20;
final double var6 = 0.03125D;
this.stoneNoise = this.noiseGen4.generateNoiseOctaves(this.stoneNoise, par1 * 16, par2 * 16, 0, 16, 16, 1, var6 * 2.0D, var6 * 2.0D, var6 * 2.0D);
for (int var8 = 0; var8 < 16; ++var8)
{
for (int var9 = 0; var9 < 16; ++var9)
{
PlanetsBiomeGenBase biomegenbase = (PlanetsBiomeGenBase)(par4ArrayOfBiomeGenBase[var8 + var9 * 16]);
int var12 = (int)(this.stoneNoise[var8 + var9 * 16] / 3.0D + 3.0D + this.rand.nextDouble() * 0.25D);
int var13 = -1;
short var14 = biomegenbase.topBlockShort;
byte var14m = biomegenbase.topBlockMeta;
short var15 = biomegenbase.fillerBlockShort;
byte var15m = biomegenbase.fillerBlockMeta;
for (int var16 = 255; var16 >= 0; --var16)
{
final int index = this.getIndex(var8, var16, var9);
if (var16 <= 0 + this.rand.nextInt(5))
{
arrayOfIDs[index] = (short) Block.bedrock.blockID;
}
else
{
final int var18 = arrayOfIDs[index];
if (var18 == 0)
{
var13 = -1;
}
else if (var18 == (short)PlanetsBlocks.planetBottom.blockID)
{
arrayOfMeta[index] = biomegenbase.lowerBlockMeta = 3;
if (var13 == -1)
{
if (var12 <= 0)
{
var14 = 0;
var14m = 0;
var15 = (short)PlanetsBlocks.planetBottom.blockID;
var15m = biomegenbase.lowerBlockMeta = 3;
}
else if (var16 >= var5 - -16 && var16 <= var5 + 1)
{
var14 = biomegenbase.topBlockShort;
var14m = biomegenbase.topBlockMeta;
var15 = biomegenbase.fillerBlockShort;
var15m = biomegenbase.fillerBlockMeta;
}
if (var16 < var5 && var14 == 0)
{
var14 = 0;
}
var13 = var12;
if (var16 >= var5 - 1)
{
arrayOfIDs[index] = var14;
arrayOfMeta[index] = var14m;
}
else
{
arrayOfIDs[index] = var15;
arrayOfMeta[index] = var15m;
}
}
else if (var13 > 0)
{
--var13;
arrayOfIDs[index] = var15;
arrayOfMeta[index] = var15m;
}
}
}
}
}
}
}
public Chunk provideChunk(int par1, int par2) {
this.rand.setSeed(par1 * 341873128712L + par2 * 132897987541L);
short[] ids = new short[65536];
byte[] meta = new byte[65536];
this.generateTerrain(par1, par2, ids, meta);
this.biomesForGeneration = this.worldObj.getWorldChunkManager().loadBlockGeneratorData(this.biomesForGeneration, par1 * 16, par2 * 16, 16, 16);
this.replaceBlocksForBiome(par1, par2, ids, meta, this.biomesForGeneration);
this.caveGenerator.generate(this, this.worldObj, par1, par2, ids, meta);
final Chunk var4 = new Chunk(this.worldObj, ids, meta, par1, par2);
final byte[] var5 = var4.getBiomeArray();
for (int var6 = 0; var6 < var5.length; ++var6) {
var5[var6] = (byte) this.biomesForGeneration[var6].biomeID;
}
var4.generateSkylightMap();
return var4;
}