74 lines
2.2 KiB
Java
74 lines
2.2 KiB
Java
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package biomesoplenty.world.layer;
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public class BiomeLayerFuzzyZoom extends BiomeLayer
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{
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public BiomeLayerFuzzyZoom(long par1, BiomeLayer par3GenLayer)
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{
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super(par1);
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super.parent = par3GenLayer;
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}
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/**
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* Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
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* amounts, or biomeList[] indices based on the particular GenLayer subclass.
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*/
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public int[] getInts(int par1, int par2, int par3, int par4)
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{
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int i1 = par1 >> 1;
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int j1 = par2 >> 1;
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int k1 = (par3 >> 1) + 3;
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int l1 = (par4 >> 1) + 3;
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int[] aint = this.parent.getInts(i1, j1, k1, l1);
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int[] aint1 = LayerIntCache.getIntCache(k1 * 2 * l1 * 2);
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int i2 = k1 << 1;
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int j2;
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for (int k2 = 0; k2 < l1 - 1; ++k2)
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{
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j2 = k2 << 1;
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int l2 = j2 * i2;
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int i3 = aint[0 + (k2 + 0) * k1];
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int j3 = aint[0 + (k2 + 1) * k1];
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for (int k3 = 0; k3 < k1 - 1; ++k3)
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{
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this.initChunkSeed((long)(k3 + i1 << 1), (long)(k2 + j1 << 1));
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int l3 = aint[k3 + 1 + (k2 + 0) * k1];
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int i4 = aint[k3 + 1 + (k2 + 1) * k1];
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aint1[l2] = i3;
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aint1[l2++ + i2] = this.choose(i3, j3);
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aint1[l2] = this.choose(i3, l3);
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aint1[l2++ + i2] = this.choose(i3, l3, j3, i4);
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i3 = l3;
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j3 = i4;
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}
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}
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int[] aint2 = LayerIntCache.getIntCache(par3 * par4);
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for (j2 = 0; j2 < par4; ++j2)
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{
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System.arraycopy(aint1, (j2 + (par2 & 1)) * (k1 << 1) + (par1 & 1), aint2, j2 * par3, par3);
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}
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return aint2;
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}
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/**
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* randomly choose between the two args
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*/
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protected int choose(int par1, int par2)
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{
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return this.nextInt(2) == 0 ? par1 : par2;
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}
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/**
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* randomly choose between the four args
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*/
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protected int choose(int par1, int par2, int par3, int par4)
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{
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int i1 = this.nextInt(4);
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return i1 == 0 ? par1 : (i1 == 1 ? par2 : (i1 == 2 ? par3 : par4));
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}
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}
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