BiomesOPlenty/common/biomesoplenty/helpers/BiomeCacheBOPhell.java
2013-09-13 16:44:22 +10:00

81 lines
2 KiB
Java

package biomesoplenty.helpers;
import java.util.ArrayList;
import java.util.List;
import net.minecraft.util.LongHashMap;
import net.minecraft.world.biome.BiomeGenBase;
import biomesoplenty.world.WorldChunkManagerBOPhell;
public class BiomeCacheBOPhell
{
private final WorldChunkManagerBOPhell chunkManager;
private long lastCleanupTime = 0L;
private LongHashMap cacheMap = new LongHashMap();
@SuppressWarnings("rawtypes")
private List cache = new ArrayList();
public BiomeCacheBOPhell(WorldChunkManagerBOPhell par1WorldChunkManager)
{
chunkManager = par1WorldChunkManager;
}
@SuppressWarnings("unchecked")
public BiomeCacheBlockBOPhell getBiomeCacheBlock(int par1, int par2)
{
par1 >>= 4;
par2 >>= 4;
long var3 = par1 & 4294967295L | (par2 & 4294967295L) << 32;
BiomeCacheBlockBOPhell var5 = (BiomeCacheBlockBOPhell)cacheMap.getValueByKey(var3);
if (var5 == null)
{
var5 = new BiomeCacheBlockBOPhell(this, par1, par2);
cacheMap.add(var3, var5);
cache.add(var5);
}
var5.lastAccessTime = System.currentTimeMillis();
return var5;
}
public BiomeGenBase getBiomeGenAt(int par1, int par2)
{
return this.getBiomeCacheBlock(par1, par2).getBiomeGenAt(par1, par2);
}
public void cleanupCache()
{
long var1 = System.currentTimeMillis();
long var3 = var1 - lastCleanupTime;
if (var3 > 7500L || var3 < 0L)
{
lastCleanupTime = var1;
for (int var5 = 0; var5 < cache.size(); ++var5)
{
BiomeCacheBlockBOPhell var6 = (BiomeCacheBlockBOPhell)cache.get(var5);
long var7 = var1 - var6.lastAccessTime;
if (var7 > 30000L || var7 < 0L)
{
cache.remove(var5--);
long var9 = var6.xPosition & 4294967295L | (var6.zPosition & 4294967295L) << 32;
cacheMap.remove(var9);
}
}
}
}
public BiomeGenBase[] getCachedBiomes(int par1, int par2)
{
return this.getBiomeCacheBlock(par1, par2).biomes;
}
static WorldChunkManagerBOPhell getChunkManager(BiomeCacheBOPhell par0BiomeCache)
{
return par0BiomeCache.chunkManager;
}
}