package StevenDimDoors.mod_pocketDim; import java.util.Random; import net.minecraft.block.Block; import net.minecraft.util.MathHelper; import net.minecraft.world.World; import net.minecraft.world.gen.MapGenBase; public class CustomCaveGen extends MapGenBase { /** * Generates a larger initial cave node than usual. Called 25% of the time. */ protected void generateLargeCaveNode(long par1, int par3, int par4, byte[] par5ArrayOfByte, double par6, double par8, double par10) { this.generateCaveNode(par1, par3, par4, par5ArrayOfByte, par6, par8, par10, 1.0F + this.rand.nextFloat() * 6.0F, 0.0F, 0.0F, -1, -1, 0.5D); } /** * Generates a node in the current cave system recursion tree. */ protected void generateCaveNode(long par1, int par3, int par4, byte[] par5ArrayOfByte, double par6, double par8, double par10, float par12, float par13, float par14, int par15, int par16, double par17) { double var19 = (double)(par3 * 16 + 8); double var21 = (double)(par4 * 16 + 8); float var23 = 0.0F; float var24 = 0.0F; Random var25 = new Random(par1); if (par16 <= 0) { int var26 = this.range * 16 - 16; par16 = var26 - var25.nextInt(var26 / 4); } boolean var54 = false; if (par15 == -1) { par15 = par16 / 2; var54 = true; } int var27 = var25.nextInt(par16 / 2) + par16 / 4; for (boolean var28 = var25.nextInt(6) == 0; par15 < par16; ++par15) { double var29 = 1.5D + (double)(MathHelper.sin((float)par15 * (float)Math.PI / (float)par16) * par12 * 1.0F); double var31 = var29 * par17; float var33 = MathHelper.cos(par14); float var34 = MathHelper.sin(par14); par6 += (double)(MathHelper.cos(par13) * var33); par8 += (double)var34; par10 += (double)(MathHelper.sin(par13) * var33); if (var28) { par14 *= 0.92F; } else { par14 *= 0.7F; } par14 += var24 * 0.1F; par13 += var23 * 0.1F; var24 *= 0.9F; var23 *= 0.75F; var24 += (var25.nextFloat() - var25.nextFloat()) * var25.nextFloat() * 2.0F; var23 += (var25.nextFloat() - var25.nextFloat()) * var25.nextFloat() * 4.0F; if (!var54 && par15 == var27 && par12 > 1.0F && par16 > 0) { this.generateCaveNode(var25.nextLong(), par3, par4, par5ArrayOfByte, par6, par8, par10, var25.nextFloat() * 0.5F + 0.5F, par13 - ((float)Math.PI / 2F), par14 / 3.0F, par15, par16, 1.0D); this.generateCaveNode(var25.nextLong(), par3, par4, par5ArrayOfByte, par6, par8, par10, var25.nextFloat() * 0.5F + 0.5F, par13 + ((float)Math.PI / 2F), par14 / 3.0F, par15, par16, 1.0D); return; } if (var54 || var25.nextInt(4) != 0) { double var35 = par6 - var19; double var37 = par10 - var21; double var39 = (double)(par16 - par15); double var41 = (double)(par12 + 2.0F + 16.0F); if (var35 * var35 + var37 * var37 - var39 * var39 > var41 * var41) { return; } if (par6 >= var19 - 16.0D - var29 * 2.0D && par10 >= var21 - 16.0D - var29 * 2.0D && par6 <= var19 + 16.0D + var29 * 2.0D && par10 <= var21 + 16.0D + var29 * 2.0D) { int var55 = MathHelper.floor_double(par6 - var29) - par3 * 16 - 1; int var36 = MathHelper.floor_double(par6 + var29) - par3 * 16 + 1; int var57 = MathHelper.floor_double(par8 - var31) - 1; int var38 = MathHelper.floor_double(par8 + var31) + 1; int var56 = MathHelper.floor_double(par10 - var29) - par4 * 16 - 1; int var40 = MathHelper.floor_double(par10 + var29) - par4 * 16 + 1; if (var55 < 0) { var55 = 0; } if (var36 > 16) { var36 = 16; } if (var57 < 1) { var57 = 1; } if (var38 > 120) { var38 = 120; } if (var56 < 0) { var56 = 0; } if (var40 > 16) { var40 = 16; } boolean var58 = false; int var42; int var45; for (var42 = var55; !var58 && var42 < var36; ++var42) { for (int var43 = var56; !var58 && var43 < var40; ++var43) { for (int var44 = var38 + 1; !var58 && var44 >= var57 - 1; --var44) { var45 = (var42 * 16 + var43) * 128 + var44; if (var44 >= 0 && var44 < 128) { if (par5ArrayOfByte[var45] == Block.waterMoving.blockID || par5ArrayOfByte[var45] == Block.waterStill.blockID) { var58 = true; } if (var44 != var57 - 1 && var42 != var55 && var42 != var36 - 1 && var43 != var56 && var43 != var40 - 1) { var44 = var57; } } } } } if (!var58) { for (var42 = var55; var42 < var36; ++var42) { double var59 = ((double)(var42 + par3 * 16) + 0.5D - par6) / var29; for (var45 = var56; var45 < var40; ++var45) { double var46 = ((double)(var45 + par4 * 16) + 0.5D - par10) / var29; int var48 = (var42 * 16 + var45) * 128 + var38; boolean var49 = false; if (var59 * var59 + var46 * var46 < 1.0D) { for (int var50 = var38 - 1; var50 >= var57; --var50) { double var51 = ((double)var50 + 0.5D - par8) / var31; if (var51 > -0.7D && var59 * var59 + var51 * var51 + var46 * var46 < 1.0D) { byte var53 = par5ArrayOfByte[var48]; if (var53 == Block.grass.blockID) { var49 = true; } if (var53 == mod_pocketDim.blockLimboID|| var53 == Block.dirt.blockID || var53 == Block.grass.blockID) { if (var50 < 10) { par5ArrayOfByte[var48] = (byte)Block.lavaMoving.blockID; } else { par5ArrayOfByte[var48] = 0; if (var49 && par5ArrayOfByte[var48 - 1] == Block.dirt.blockID) { par5ArrayOfByte[var48 - 1] = this.worldObj.getBiomeGenForCoords(var42 + par3 * 16, var45 + par4 * 16).topBlock; } } } } --var48; } } } } if (var54) { break; } } } } } } /** * Recursively called by generate() (generate) and optionally by itself. */ protected void recursiveGenerate(World par1World, int par2, int par3, int par4, int par5, byte[] par6ArrayOfByte) { int var7 = this.rand.nextInt(this.rand.nextInt(this.rand.nextInt(40) + 1) + 1); if (this.rand.nextInt(15) != 0) { var7 = 0; } for (int var8 = 0; var8 < var7; ++var8) { double var9 = (double)(par2 * 16 + this.rand.nextInt(16)); double var11 = (double)this.rand.nextInt(this.rand.nextInt(120) + 8); double var13 = (double)(par3 * 16 + this.rand.nextInt(16)); int var15 = 1; if (this.rand.nextInt(4) == 0) { this.generateLargeCaveNode(this.rand.nextLong(), par4, par5, par6ArrayOfByte, var9, var11, var13); var15 += this.rand.nextInt(4); } for (int var16 = 0; var16 < var15; ++var16) { float var17 = this.rand.nextFloat() * (float)Math.PI * 2.0F; float var18 = (this.rand.nextFloat() - 0.5F) * 2.0F / 8.0F; float var19 = this.rand.nextFloat() * 2.0F + this.rand.nextFloat(); if (this.rand.nextInt(10) == 0) { var19 *= this.rand.nextFloat() * this.rand.nextFloat() * 3.0F + 1.0F; } this.generateCaveNode(this.rand.nextLong(), par4, par5, par6ArrayOfByte, var9, var11, var13, var19, var17, var18, 0, 0, 1.0D); } } } }