@Override
public boolean generate(World world, Random random, int x, int y, int z) {
// Randomly space out blocks in vein
float f = random.nextFloat() * 3.141593F;
double d = x + 8 + MathHelper.sin(f) * this.veinSize / 8.0F;
double d1 = x + 8 - MathHelper.sin(f) * this.veinSize / 8.0F;
double d2 = z + 8 + MathHelper.cos(f) * this.veinSize / 8.0F;
double d3 = z + 8 - MathHelper.cos(f) * this.veinSize / 8.0F;
double d4 = y + random.nextInt(3) + 2;
double d5 = y + random.nextInt(3) + 2;
// Do this once for every block of ore we need to generate.
for (int l = 0; l <= this.veinSize; l++) {
double d6 = d + (d1 - d) * l / this.veinSize;
double d7 = d4 + (d5 - d4) * l / this.veinSize;
double d8 = d2 + (d3 - d2) * l / this.veinSize;
double d9 = random.nextDouble() * this.veinSize / 16.0D;
double d10 = (MathHelper.sin(l * 3.141593F / this.veinSize) + 1.0F) * d9 + 1.0D;
double d11 = (MathHelper.sin(l * 3.141593F / this.veinSize) + 1.0F) * d9 + 1.0D;
int i1 = MathHelper.floor_double(d6 - d10 / 2.0D);
int j1 = MathHelper.floor_double(d7 - d11 / 2.0D);
int k1 = MathHelper.floor_double(d8 - d10 / 2.0D);
int l1 = MathHelper.floor_double(d6 + d10 / 2.0D);
int i2 = MathHelper.floor_double(d7 + d11 / 2.0D);
int j2 = MathHelper.floor_double(d8 + d10 / 2.0D);
for (int k2 = i1; k2 <= l1; k2++) {
double d12 = (k2 + 0.5D - d6) / (d10 / 2.0D);
if (d12 * d12 < 1.0D) {
for (int l2 = j1; l2 <= i2; l2++) {
double d13 = (l2 + 0.5D - d7) / (d11 / 2.0D);
if (d12 * d12 + d13 * d13 < 1.0D) {
for (int i3 = k1; i3 <= j2; i3++) {
double d14 = (i3 + 0.5D - d8) / (d10 / 2.0D);
if (d12 * d12 + d13 * d13 + d14 * d14 < 1.0D) {
swapStoneBlock(world, random, k2, l2, i3);
}
}
}
}
}
}
}
return true;
}
