/** Returns an array of biomes for the location input. */
public BiomeGenBase[] getBiomesForGeneration(
BiomeGenBase abiomegenbase[], int i, int j, int k, int l) {
IntCache.resetIntCache();
if (abiomegenbase == null || abiomegenbase.length < k * l) {
abiomegenbase = new BiomeGenBase[k * l];
}
int ai[] = genBiomes.getInts(i, j, k, l);
for (int i1 = 0; i1 < k * l; i1++) {
abiomegenbase[i1] = BiomeGenBase.biomeList[ai[i1]];
}
return abiomegenbase;
}
/** checks given Chunk's Biomes against List of allowed ones */
public boolean areBiomesViable(int i, int j, int k, List list) {
int l = i - k >> 2;
int i1 = j - k >> 2;
int j1 = i + k >> 2;
int k1 = j + k >> 2;
int l1 = (j1 - l) + 1;
int i2 = (k1 - i1) + 1;
int ai[] = genBiomes.getInts(l, i1, l1, i2);
for (int j2 = 0; j2 < l1 * i2; j2++) {
BiomeGenBase biomegenbase = BiomeGenBase.biomeList[ai[j2]];
if (!list.contains(biomegenbase)) {
return false;
}
}
return true;
}
/**
* Returns a list of temperatures to use for the specified blocks. Args: listToReuse, x, y, width,
* length
*/
public float[] getTemperatures(float af[], int i, int j, int k, int l) {
IntCache.resetIntCache();
if (af == null || af.length < k * l) {
af = new float[k * l];
}
int ai[] = biomeIndexLayer.getInts(i, j, k, l);
for (int i1 = 0; i1 < k * l; i1++) {
float f = (float) BiomeGenBase.biomeList[ai[i1]].getIntTemperature() / 65536F;
if (f > 1.0F) {
f = 1.0F;
}
af[i1] = f;
}
return af;
}
/**
* Return a list of biomes for the specified blocks. Args: listToReuse, x, y, width, length,
* cacheFlag (if false, don't check biomeCache to avoid infinite loop in BiomeCacheBlock)
*/
public BiomeGenBase[] getBiomeGenAt(
BiomeGenBase abiomegenbase[], int i, int j, int k, int l, boolean flag) {
IntCache.resetIntCache();
if (abiomegenbase == null || abiomegenbase.length < k * l) {
abiomegenbase = new BiomeGenBase[k * l];
}
if (flag && k == 16 && l == 16 && (i & 0xf) == 0 && (j & 0xf) == 0) {
BiomeGenBase abiomegenbase1[] = biomeCache.getCachedBiomes(i, j);
System.arraycopy(abiomegenbase1, 0, abiomegenbase, 0, k * l);
return abiomegenbase;
}
int ai[] = biomeIndexLayer.getInts(i, j, k, l);
for (int i1 = 0; i1 < k * l; i1++) {
abiomegenbase[i1] = BiomeGenBase.biomeList[ai[i1]];
}
return abiomegenbase;
}
/** Finds a valid position within a range, that is once of the listed biomes. */
public ChunkPosition findBiomePosition(int i, int j, int k, List list, Random random) {
int l = i - k >> 2;
int i1 = j - k >> 2;
int j1 = i + k >> 2;
int k1 = j + k >> 2;
int l1 = (j1 - l) + 1;
int i2 = (k1 - i1) + 1;
int ai[] = genBiomes.getInts(l, i1, l1, i2);
ChunkPosition chunkposition = null;
int j2 = 0;
for (int k2 = 0; k2 < ai.length; k2++) {
int l2 = l + k2 % l1 << 2;
int i3 = i1 + k2 / l1 << 2;
BiomeGenBase biomegenbase = BiomeGenBase.biomeList[ai[k2]];
if (list.contains(biomegenbase) && (chunkposition == null || random.nextInt(j2 + 1) == 0)) {
chunkposition = new ChunkPosition(l2, 0, i3);
j2++;
}
}
return chunkposition;
}