BiomesOPlenty/common/biomesoplenty/world/layer/BiomeLayerVoronoiZoom.java
2013-09-13 16:44:22 +10:00

101 lines
No EOL
2.8 KiB
Java

package biomesoplenty.world.layer;
import net.minecraft.world.gen.layer.IntCache;
public class BiomeLayerVoronoiZoom extends BiomeLayer
{
public BiomeLayerVoronoiZoom(long par1, BiomeLayer par3GenLayer)
{
super(par1);
super.parent = par3GenLayer;
}
/**
* Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
* amounts, or biomeList[] indices based on the particular GenLayer subclass.
*/
@Override
public int[] getInts(int par1, int par2, int par3, int par4)
{
par1 -= 2;
par2 -= 2;
byte b0 = 2;
int i1 = 1 << b0;
int j1 = par1 >> b0;
int k1 = par2 >> b0;
int l1 = (par3 >> b0) + 3;
int i2 = (par4 >> b0) + 3;
int[] aint = parent.getInts(j1, k1, l1, i2);
int j2 = l1 << b0;
int k2 = i2 << b0;
int[] aint1 = IntCache.getIntCache(j2 * k2);
int l2;
for (int i3 = 0; i3 < i2 - 1; ++i3)
{
l2 = aint[0 + (i3 + 0) * l1];
int j3 = aint[0 + (i3 + 1) * l1];
for (int k3 = 0; k3 < l1 - 1; ++k3)
{
double d0 = i1 * 0.9D;
this.initChunkSeed(k3 + j1 << b0, i3 + k1 << b0);
double d1 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0;
double d2 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0;
this.initChunkSeed(k3 + j1 + 1 << b0, i3 + k1 << b0);
double d3 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0 + i1;
double d4 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0;
this.initChunkSeed(k3 + j1 << b0, i3 + k1 + 1 << b0);
double d5 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0;
double d6 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0 + i1;
this.initChunkSeed(k3 + j1 + 1 << b0, i3 + k1 + 1 << b0);
double d7 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0 + i1;
double d8 = (this.nextInt(1024) / 1024.0D - 0.5D) * d0 + i1;
int l3 = aint[k3 + 1 + (i3 + 0) * l1];
int i4 = aint[k3 + 1 + (i3 + 1) * l1];
for (int j4 = 0; j4 < i1; ++j4)
{
int k4 = ((i3 << b0) + j4) * j2 + (k3 << b0);
for (int l4 = 0; l4 < i1; ++l4)
{
double d9 = (j4 - d2) * (j4 - d2) + (l4 - d1) * (l4 - d1);
double d10 = (j4 - d4) * (j4 - d4) + (l4 - d3) * (l4 - d3);
double d11 = (j4 - d6) * (j4 - d6) + (l4 - d5) * (l4 - d5);
double d12 = (j4 - d8) * (j4 - d8) + (l4 - d7) * (l4 - d7);
if (d9 < d10 && d9 < d11 && d9 < d12)
{
aint1[k4++] = l2;
}
else if (d10 < d9 && d10 < d11 && d10 < d12)
{
aint1[k4++] = l3;
}
else if (d11 < d9 && d11 < d10 && d11 < d12)
{
aint1[k4++] = j3;
}
else
{
aint1[k4++] = i4;
}
}
}
l2 = l3;
j3 = i4;
}
}
int[] aint2 = IntCache.getIntCache(par3 * par4);
for (l2 = 0; l2 < par4; ++l2)
{
System.arraycopy(aint1, (l2 + (par2 & i1 - 1)) * (l1 << b0) + (par1 & i1 - 1), aint2, l2 * par3, par3);
}
return aint2;
}
}