private double[] initializeNoiseField(double ad[], int i, int j, int k, int l, int i1, int j1) {
if (ad == null) {
ad = new double[l * i1 * j1];
}
double d = 684.41200000000003D;
double d1 = 684.41200000000003D;
double ad1[] = BWG4WorldChunkManager.temperature;
double ad2[] = BWG4WorldChunkManager.humidity;
field_4182_g = field_922_a.func_4109_a(field_4182_g, i, k, l, j1, 1.121D, 1.121D, 0.5D);
field_4181_h = field_921_b.func_4109_a(field_4181_h, i, k, l, j1, 200D, 200D, 0.5D);
field_4185_d =
field_910_m.func_807_a(field_4185_d, i, j, k, l, i1, j1, d / 80D, d1 / 160D, d / 80D);
field_4184_e = field_912_k.func_807_a(field_4184_e, i, j, k, l, i1, j1, d, d1, d);
field_4183_f = field_911_l.func_807_a(field_4183_f, i, j, k, l, i1, j1, d, d1, d);
int k1 = 0;
int l1 = 0;
int i2 = 16 / l;
for (int j2 = 0; j2 < l; j2++) {
int k2 = j2 * i2 + i2 / 2;
for (int l2 = 0; l2 < j1; l2++) {
int i3 = l2 * i2 + i2 / 2;
double d2 = ad1[k2 * 16 + i3];
double d3 = ad2[k2 * 16 + i3] * d2;
double d4 = 1.0D - d3;
d4 *= d4;
d4 *= d4;
d4 = 1.0D - d4;
double d5 = (field_4182_g[l1] + 256D) / 512D;
d5 *= d4;
if (d5 > 1.0D) {
d5 = 1.0D;
}
double d6 = field_4181_h[l1] / 8000D;
if (d6 < 0.0D) {
d6 = -d6 * 0.29999999999999999D;
}
d6 = d6 * 3D - 2D;
if (d6 < 0.0D) {
d6 /= 2D;
if (d6 < -1D) {
d6 = -1D;
}
d6 /= 1.3999999999999999D;
d6 /= 2D;
d5 = 0.0D;
} else {
if (d6 > 1.0D) {
d6 = 1.0D;
}
d6 /= 8D;
}
if (d5 < 0.0D) {
d5 = 0.0D;
}
d5 += 0.5D;
d6 = (d6 * (double) i1) / 16D;
double d7 = (double) i1 / 2D + d6 * 4D;
l1++;
for (int j3 = 0; j3 < i1; j3++) {
double d8 = 0.0D;
double d9 = (((double) j3 - d7) * 12D) / d5;
if (d9 < 0.0D) {
d9 *= 4D;
}
double d10 = field_4184_e[k1] / 512D;
double d11 = field_4183_f[k1] / 512D;
double d12 = (field_4185_d[k1] / 10D + 1.0D) / 2D;
if (d12 < 0.0D) {
d8 = d10;
} else if (d12 > 1.0D) {
d8 = d11;
} else {
d8 = d10 + (d11 - d10) * d12;
}
d8 -= d9;
if (j3 > i1 - 4) {
double d13 = (float) (j3 - (i1 - 4)) / 3F;
d8 = d8 * (1.0D - d13) + -10D * d13;
}
ad[k1] = d8;
k1++;
}
}
}
return ad;
}
public void replaceBlocksForBiome(int i, int j, byte abyte0[], BiomeGenBase abiomegenbase[]) {
byte byte0 = 64;
double d = 0.03125D;
field_905_r = field_909_n.func_807_a(field_905_r, i * 16, j * 16, 0.0D, 16, 16, 1, d, d, 1.0D);
field_904_s =
field_909_n.func_807_a(field_904_s, j * 16, 109.0134D, i * 16, 16, 1, 16, d, 1.0D, d);
field_903_t =
field_908_o.func_807_a(
field_903_t, i * 16, j * 16, 0.0D, 16, 16, 1, d * 2D, d * 2D, d * 2D);
for (int k = 0; k < 16; k++) {
for (int l = 0; l < 16; l++) {
BiomeGenBase biomegenbase = abiomegenbase[k * 16 + l];
boolean flag =
field_905_r[k + l * 16] + field_913_j.nextDouble() * 0.20000000000000001D > 0.0D;
boolean flag1 =
field_904_s[k + l * 16] + field_913_j.nextDouble() * 0.20000000000000001D > 3D;
int i1 = (int) (field_903_t[k + l * 16] / 3D + 3D + field_913_j.nextDouble() * 0.25D);
int j1 = -1;
byte byte1 = biomegenbase.topBlock;
byte byte2 = biomegenbase.fillerBlock;
for (int k1 = 127; k1 >= 0; k1--) {
int l1 = (k * 16 + l) * 128 + k1;
if (k1 <= 0 + field_913_j.nextInt(5)) {
abyte0[l1] = (byte) Block.bedrock.blockID;
continue;
}
byte byte3 = abyte0[l1];
if (byte3 == 0) {
j1 = -1;
continue;
}
if (byte3 != Block.stone.blockID) {
continue;
}
if (j1 == -1) {
if (i1 <= 0) {
byte1 = 0;
byte2 = (byte) Block.stone.blockID;
} else if (k1 >= byte0 - 4 && k1 <= byte0 + 1) {
byte1 = biomegenbase.topBlock;
byte2 = biomegenbase.fillerBlock;
if (flag1) {
byte1 = 0;
}
if (flag1) {
byte2 = (byte) Block.gravel.blockID;
}
if (flag) {
byte1 = (byte) Block.sand.blockID;
}
if (flag) {
byte2 = (byte) Block.sand.blockID;
}
}
if (k1 < byte0 && byte1 == 0) {
byte1 = (byte) Block.waterMoving.blockID;
}
j1 = i1;
if (k1 >= byte0 - 1) {
abyte0[l1] = byte1;
} else {
abyte0[l1] = byte2;
}
continue;
}
if (j1 > 0) {
j1--;
abyte0[l1] = byte2;
}
}
}
}
}