package net.minecraft.world.gen.layer;
import net.minecraft.world.biome.BiomeGenBase;
public class GenLayerBiomeEdge extends GenLayer
{
private static final String __OBFID = "CL_00000554";
public GenLayerBiomeEdge(long p_i45475_1_, GenLayer p_i45475_3_)
{
super(p_i45475_1_);
this.parent = p_i45475_3_;
}
/**
* 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.
*
* @param areaX The x-position of the area
* @param areaY The y-position of the area
* @param areaWidth The width of the area
* @param areaHeight The height of the area
*/
public int[] getInts(int areaX, int areaY, int areaWidth, int areaHeight)
{
int[] aint = this.parent.getInts(areaX - 1, areaY - 1, areaWidth + 2, areaHeight + 2);
int[] aint1 = IntCache.getIntCache(areaWidth * areaHeight);
for (int i1 = 0; i1 < areaHeight; ++i1)
{
for (int j1 = 0; j1 < areaWidth; ++j1)
{
this.initChunkSeed((long)(j1 + areaX), (long)(i1 + areaY));
int k1 = aint[j1 + 1 + (i1 + 1) * (areaWidth + 2)];
if (!this.replaceBiomeEdgeIfNecessary(aint, aint1, j1, i1, areaWidth, k1, BiomeGenBase.extremeHills.biomeID, BiomeGenBase.extremeHillsEdge.biomeID) && !this.replaceBiomeEdge(aint, aint1, j1, i1, areaWidth, k1, BiomeGenBase.mesaPlateau_F.biomeID, BiomeGenBase.mesa.biomeID) && !this.replaceBiomeEdge(aint, aint1, j1, i1, areaWidth, k1, BiomeGenBase.mesaPlateau.biomeID, BiomeGenBase.mesa.biomeID) && !this.replaceBiomeEdge(aint, aint1, j1, i1, areaWidth, k1, BiomeGenBase.megaTaiga.biomeID, BiomeGenBase.taiga.biomeID))
{
int l1;
int i2;
int j2;
int k2;
if (k1 == BiomeGenBase.desert.biomeID)
{
l1 = aint[j1 + 1 + (i1 + 1 - 1) * (areaWidth + 2)];
i2 = aint[j1 + 1 + 1 + (i1 + 1) * (areaWidth + 2)];
j2 = aint[j1 + 1 - 1 + (i1 + 1) * (areaWidth + 2)];
k2 = aint[j1 + 1 + (i1 + 1 + 1) * (areaWidth + 2)];
if (l1 != BiomeGenBase.icePlains.biomeID && i2 != BiomeGenBase.icePlains.biomeID && j2 != BiomeGenBase.icePlains.biomeID && k2 != BiomeGenBase.icePlains.biomeID)
{
aint1[j1 + i1 * areaWidth] = k1;
}
else
{
aint1[j1 + i1 * areaWidth] = BiomeGenBase.extremeHillsPlus.biomeID;
}
}
else if (k1 == BiomeGenBase.swampland.biomeID)
{
l1 = aint[j1 + 1 + (i1 + 1 - 1) * (areaWidth + 2)];
i2 = aint[j1 + 1 + 1 + (i1 + 1) * (areaWidth + 2)];
j2 = aint[j1 + 1 - 1 + (i1 + 1) * (areaWidth + 2)];
k2 = aint[j1 + 1 + (i1 + 1 + 1) * (areaWidth + 2)];
if (l1 != BiomeGenBase.desert.biomeID && i2 != BiomeGenBase.desert.biomeID && j2 != BiomeGenBase.desert.biomeID && k2 != BiomeGenBase.desert.biomeID && l1 != BiomeGenBase.coldTaiga.biomeID && i2 != BiomeGenBase.coldTaiga.biomeID && j2 != BiomeGenBase.coldTaiga.biomeID && k2 != BiomeGenBase.coldTaiga.biomeID && l1 != BiomeGenBase.icePlains.biomeID && i2 != BiomeGenBase.icePlains.biomeID && j2 != BiomeGenBase.icePlains.biomeID && k2 != BiomeGenBase.icePlains.biomeID)
{
if (l1 != BiomeGenBase.jungle.biomeID && k2 != BiomeGenBase.jungle.biomeID && i2 != BiomeGenBase.jungle.biomeID && j2 != BiomeGenBase.jungle.biomeID)
{
aint1[j1 + i1 * areaWidth] = k1;
}
else
{
aint1[j1 + i1 * areaWidth] = BiomeGenBase.jungleEdge.biomeID;
}
}
else
{
aint1[j1 + i1 * areaWidth] = BiomeGenBase.plains.biomeID;
}
}
else
{
aint1[j1 + i1 * areaWidth] = k1;
}
}
}
}
return aint1;
}
/**
* Creates a border around a biome if necessary, e.g. A transition from hot to cold climates would otherwise occur.
*/
private boolean replaceBiomeEdgeIfNecessary(int[] p_151636_1_, int[] p_151636_2_, int p_151636_3_, int p_151636_4_, int p_151636_5_, int p_151636_6_, int p_151636_7_, int p_151636_8_)
{
if (!biomesEqualOrMesaPlateau(p_151636_6_, p_151636_7_))
{
return false;
}
else
{
int k1 = p_151636_1_[p_151636_3_ + 1 + (p_151636_4_ + 1 - 1) * (p_151636_5_ + 2)];
int l1 = p_151636_1_[p_151636_3_ + 1 + 1 + (p_151636_4_ + 1) * (p_151636_5_ + 2)];
int i2 = p_151636_1_[p_151636_3_ + 1 - 1 + (p_151636_4_ + 1) * (p_151636_5_ + 2)];
int j2 = p_151636_1_[p_151636_3_ + 1 + (p_151636_4_ + 1 + 1) * (p_151636_5_ + 2)];
if (this.canBiomesBeNeighbors(k1, p_151636_7_) && this.canBiomesBeNeighbors(l1, p_151636_7_) && this.canBiomesBeNeighbors(i2, p_151636_7_) && this.canBiomesBeNeighbors(j2, p_151636_7_))
{
p_151636_2_[p_151636_3_ + p_151636_4_ * p_151636_5_] = p_151636_6_;
}
else
{
p_151636_2_[p_151636_3_ + p_151636_4_ * p_151636_5_] = p_151636_8_;
}
return true;
}
}
/**
* Creates a border around a biome.
*/
private boolean replaceBiomeEdge(int[] p_151635_1_, int[] p_151635_2_, int p_151635_3_, int p_151635_4_, int p_151635_5_, int p_151635_6_, int p_151635_7_, int p_151635_8_)
{
if (p_151635_6_ != p_151635_7_)
{
return false;
}
else
{
int k1 = p_151635_1_[p_151635_3_ + 1 + (p_151635_4_ + 1 - 1) * (p_151635_5_ + 2)];
int l1 = p_151635_1_[p_151635_3_ + 1 + 1 + (p_151635_4_ + 1) * (p_151635_5_ + 2)];
int i2 = p_151635_1_[p_151635_3_ + 1 - 1 + (p_151635_4_ + 1) * (p_151635_5_ + 2)];
int j2 = p_151635_1_[p_151635_3_ + 1 + (p_151635_4_ + 1 + 1) * (p_151635_5_ + 2)];
if (biomesEqualOrMesaPlateau(k1, p_151635_7_) && biomesEqualOrMesaPlateau(l1, p_151635_7_) && biomesEqualOrMesaPlateau(i2, p_151635_7_) && biomesEqualOrMesaPlateau(j2, p_151635_7_))
{
p_151635_2_[p_151635_3_ + p_151635_4_ * p_151635_5_] = p_151635_6_;
}
else
{
p_151635_2_[p_151635_3_ + p_151635_4_ * p_151635_5_] = p_151635_8_;
}
return true;
}
}
/**
* Returns if two biomes can logically be neighbors. If one is hot and the other cold, for example, it returns
* false.
*/
private boolean canBiomesBeNeighbors(int p_151634_1_, int p_151634_2_)
{
if (biomesEqualOrMesaPlateau(p_151634_1_, p_151634_2_))
{
return true;
}
else if (BiomeGenBase.getBiome(p_151634_1_) != null && BiomeGenBase.getBiome(p_151634_2_) != null)
{
BiomeGenBase.TempCategory tempcategory = BiomeGenBase.getBiome(p_151634_1_).getTempCategory();
BiomeGenBase.TempCategory tempcategory1 = BiomeGenBase.getBiome(p_151634_2_).getTempCategory();
return tempcategory == tempcategory1 || tempcategory == BiomeGenBase.TempCategory.MEDIUM || tempcategory1 == BiomeGenBase.TempCategory.MEDIUM;
}
else
{
return false;
}
}
}