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package net.minecraft.server;
import java.util.Random;
public class WorldGenClay extends WorldGenerator {
private int a;
private int b;
public WorldGenClay(int i) {
this.a = Block.CLAY.id;
this.b = i;
}
public boolean a(World world, Random random, int i, int j, int k) {
if (world.getMaterial(i, j, k) != Material.WATER) {
return false;
} else {
float f = random.nextFloat() * 3.1415927F;
double d0 = (double) ((float) (i + 8) + MathHelper.sin(f) * (float) this.b / 8.0F);
double d1 = (double) ((float) (i + 8) - MathHelper.sin(f) * (float) this.b / 8.0F);
double d2 = (double) ((float) (k + 8) + MathHelper.cos(f) * (float) this.b / 8.0F);
double d3 = (double) ((float) (k + 8) - MathHelper.cos(f) * (float) this.b / 8.0F);
double d4 = (double) (j + random.nextInt(3) + 2);
double d5 = (double) (j + random.nextInt(3) + 2);
for (int l = 0; l <= this.b; ++l) {
double d6 = d0 + (d1 - d0) * (double) l / (double) this.b;
double d7 = d4 + (d5 - d4) * (double) l / (double) this.b;
double d8 = d2 + (d3 - d2) * (double) l / (double) this.b;
double d9 = random.nextDouble() * (double) this.b / 16.0D;
double d10 = (double) (MathHelper.sin((float) l * 3.1415927F / (float) this.b) + 1.0F) * d9 + 1.0D;
double d11 = (double) (MathHelper.sin((float) l * 3.1415927F / (float) this.b) + 1.0F) * d9 + 1.0D;
int i1 = MathHelper.floor(d6 - d10 / 2.0D);
int j1 = MathHelper.floor(d6 + d10 / 2.0D);
int k1 = MathHelper.floor(d7 - d11 / 2.0D);
int l1 = MathHelper.floor(d7 + d11 / 2.0D);
int i2 = MathHelper.floor(d8 - d10 / 2.0D); // CraftBukkit - d6 -> d8
int j2 = MathHelper.floor(d8 + d10 / 2.0D); // CraftBukkit - d6 -> d8
for (int k2 = i1; k2 <= j1; ++k2) {
for (int l2 = k1; l2 <= l1; ++l2) {
for (int i3 = i2; i3 <= j2; ++i3) {
double d12 = ((double) k2 + 0.5D - d6) / (d10 / 2.0D);
double d13 = ((double) l2 + 0.5D - d7) / (d11 / 2.0D);
double d14 = ((double) i3 + 0.5D - d8) / (d10 / 2.0D);
if (d12 * d12 + d13 * d13 + d14 * d14 < 1.0D) {
int j3 = world.getTypeId(k2, l2, i3);
if (j3 == Block.SAND.id) {
world.setRawTypeId(k2, l2, i3, this.a);
}
}
}
}
}
}
return true;
}
}
}
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