package biomesoplenty.world.layer; import net.minecraft.world.gen.layer.IntCache; public class BiomeLayerZoom extends BiomeLayer { public BiomeLayerZoom(long par1, BiomeLayer par3GenLayer) { super(par1); super.parent = par3GenLayer; } @Override public int[] getInts(int par1, int par2, int par3, int par4) { int i1 = par1 >> 1; int j1 = par2 >> 1; int k1 = (par3 >> 1) + 3; int l1 = (par4 >> 1) + 3; int[] aint = parent.getInts(i1, j1, k1, l1); int[] aint1 = IntCache.getIntCache(k1 * 2 * l1 * 2); int i2 = k1 << 1; int j2; for (int k2 = 0; k2 < l1 - 1; ++k2) { j2 = k2 << 1; int l2 = j2 * i2; int i3 = aint[0 + (k2 + 0) * k1]; int j3 = aint[0 + (k2 + 1) * k1]; for (int k3 = 0; k3 < k1 - 1; ++k3) { this.initChunkSeed(k3 + i1 << 1, k2 + j1 << 1); int l3 = aint[k3 + 1 + (k2 + 0) * k1]; int i4 = aint[k3 + 1 + (k2 + 1) * k1]; aint1[l2] = i3; aint1[l2++ + i2] = this.choose(i3, j3); aint1[l2] = this.choose(i3, l3); aint1[l2++ + i2] = this.modeOrRandom(i3, l3, j3, i4); i3 = l3; j3 = i4; } } int[] aint2 = IntCache.getIntCache(par3 * par4); for (j2 = 0; j2 < par4; ++j2) { System.arraycopy(aint1, (j2 + (par2 & 1)) * (k1 << 1) + (par1 & 1), aint2, j2 * par3, par3); } return aint2; } /** * Chooses one of the two inputs randomly. */ protected int choose(int par1, int par2) { return this.nextInt(2) == 0 ? par1 : par2; } /** * returns the mode (most frequently occuring number) or a random number from the 4 integers provided */ protected int modeOrRandom(int par1, int par2, int par3, int par4) { if (par2 == par3 && par3 == par4) return par2; else if (par1 == par2 && par1 == par3) return par1; else if (par1 == par2 && par1 == par4) return par1; else if (par1 == par3 && par1 == par4) return par1; else if (par1 == par2 && par3 != par4) return par1; else if (par1 == par3 && par2 != par4) return par1; else if (par1 == par4 && par2 != par3) return par1; else if (par2 == par1 && par3 != par4) return par2; else if (par2 == par3 && par1 != par4) return par2; else if (par2 == par4 && par1 != par3) return par2; else if (par3 == par1 && par2 != par4) return par3; else if (par3 == par2 && par1 != par4) return par3; else if (par3 == par4 && par1 != par2) return par3; else if (par4 == par1 && par2 != par3) return par3; else if (par4 == par2 && par1 != par3) return par3; else if (par4 == par3 && par1 != par2) return par3; else { int i1 = this.nextInt(4); return i1 == 0 ? par1 : (i1 == 1 ? par2 : (i1 == 2 ? par3 : par4)); } } public static BiomeLayer func_75915_a(long par0, BiomeLayer par2GenLayer, int par3) { Object object = par2GenLayer; for (int k = 0; k < par3; ++k) { object = new BiomeLayerZoom(par0 + k, (BiomeLayer)object); } return (BiomeLayer)object; } }