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started working on layer generator for promised lands

This commit is contained in:
ted80-PC 2013-05-07 20:33:31 +02:00
parent 94d64d53a8
commit 53283f7e64
3 changed files with 208 additions and 0 deletions
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85
src/minecraft/biomesoplenty/world/layer/BiomeLayer.java Normal file
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package biomesoplenty.world.layer;
import net.minecraft.world.WorldType;
import net.minecraft.world.gen.layer.GenLayer;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.terraingen.WorldTypeEvent;
public abstract class BiomeLayer
{
private long worldGenSeed;
protected BiomeLayer parent;
private long chunkSeed;
private long baseSeed;
public static BiomeLayer[] initializeAllBiomeGenerators(long seed, WorldType worldtype)
{
BiomeLayer obj = new BiomeLayerCreate(1L);
return new BiomeLayer[] {};
}
public BiomeLayer(long seed)
{
this.baseSeed = seed;
this.baseSeed *= this.baseSeed * 6364136223846793005L + 1442695040888963407L;
this.baseSeed += seed;
this.baseSeed *= this.baseSeed * 6364136223846793005L + 1442695040888963407L;
this.baseSeed += seed;
this.baseSeed *= this.baseSeed * 6364136223846793005L + 1442695040888963407L;
this.baseSeed += seed;
}
public void initWorldGenSeed(long seed)
{
this.worldGenSeed = seed;
if (this.parent != null)
{
this.parent.initWorldGenSeed(seed);
}
this.worldGenSeed *= this.worldGenSeed * 6364136223846793005L + 1442695040888963407L;
this.worldGenSeed += this.baseSeed;
this.worldGenSeed *= this.worldGenSeed * 6364136223846793005L + 1442695040888963407L;
this.worldGenSeed += this.baseSeed;
this.worldGenSeed *= this.worldGenSeed * 6364136223846793005L + 1442695040888963407L;
this.worldGenSeed += this.baseSeed;
}
public void initChunkSeed(long par1, long par3)
{
this.chunkSeed = this.worldGenSeed;
this.chunkSeed *= this.chunkSeed * 6364136223846793005L + 1442695040888963407L;
this.chunkSeed += par1;
this.chunkSeed *= this.chunkSeed * 6364136223846793005L + 1442695040888963407L;
this.chunkSeed += par3;
this.chunkSeed *= this.chunkSeed * 6364136223846793005L + 1442695040888963407L;
this.chunkSeed += par1;
this.chunkSeed *= this.chunkSeed * 6364136223846793005L + 1442695040888963407L;
this.chunkSeed += par3;
}
protected int nextInt(int par1)
{
int j = (int)((this.chunkSeed >> 24) % (long)par1);
if (j < 0)
{
j += par1;
}
this.chunkSeed *= this.chunkSeed * 6364136223846793005L + 1442695040888963407L;
this.chunkSeed += this.worldGenSeed;
return j;
}
public abstract int[] getInts(int i, int j, int k, int l);
public static byte getModdedBiomeSize(WorldType worldType, byte original)
{
WorldTypeEvent.BiomeSize event = new WorldTypeEvent.BiomeSize(worldType, original);
MinecraftForge.TERRAIN_GEN_BUS.post(event);
return event.newSize;
}
}

24
src/minecraft/biomesoplenty/world/layer/BiomeLayerCreate.java Normal file
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package biomesoplenty.world.layer;
public class BiomeLayerCreate extends BiomeLayer
{
public BiomeLayerCreate(long par1)
{
super(par1);
}
public int[] getInts(int par1, int par2, int par3, int par4)
{
int[] var5 = LayerIntCache.getIntCache(par3 * par4);
for (int var6 = 0; var6 < par4; ++var6)
{
for (int var7 = 0; var7 < par3; ++var7)
{
this.initChunkSeed((long)(par1 + var7), (long)(par2 + var6));
var5[var7 + var6 * par3] = 1;
}
}
return var5;
}
}

99
src/minecraft/biomesoplenty/world/layer/LayerIntCache.java Normal file
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package biomesoplenty.world.layer;
import java.util.ArrayList;
import java.util.List;
public class LayerIntCache
{
private static int intCacheSize = 256;
/**
* A list of pre-allocated int[256] arrays that are currently unused and can be returned by getIntCache()
*/
private static List freeSmallArrays = new ArrayList();
/**
* A list of pre-allocated int[256] arrays that were previously returned by getIntCache() and which will not be re-
* used again until resetIntCache() is called.
*/
private static List inUseSmallArrays = new ArrayList();
/**
* A list of pre-allocated int[cacheSize] arrays that are currently unused and can be returned by getIntCache()
*/
private static List freeLargeArrays = new ArrayList();
/**
* A list of pre-allocated int[cacheSize] arrays that were previously returned by getIntCache() and which will not
* be re-used again until resetIntCache() is called.
*/
private static List inUseLargeArrays = new ArrayList();
public static synchronized int[] getIntCache(int par0)
{
int[] aint;
if (par0 <= 256)
{
if (freeSmallArrays.isEmpty())
{
aint = new int[256];
inUseSmallArrays.add(aint);
return aint;
}
else
{
aint = (int[])freeSmallArrays.remove(freeSmallArrays.size() - 1);
inUseSmallArrays.add(aint);
return aint;
}
}
else if (par0 > intCacheSize)
{
intCacheSize = par0;
freeLargeArrays.clear();
inUseLargeArrays.clear();
aint = new int[intCacheSize];
inUseLargeArrays.add(aint);
return aint;
}
else if (freeLargeArrays.isEmpty())
{
aint = new int[intCacheSize];
inUseLargeArrays.add(aint);
return aint;
}
else
{
aint = (int[])freeLargeArrays.remove(freeLargeArrays.size() - 1);
inUseLargeArrays.add(aint);
return aint;
}
}
/**
* Mark all pre-allocated arrays as available for re-use by moving them to the appropriate free lists.
*/
public static synchronized void resetIntCache()
{
if (!freeLargeArrays.isEmpty())
{
freeLargeArrays.remove(freeLargeArrays.size() - 1);
}
if (!freeSmallArrays.isEmpty())
{
freeSmallArrays.remove(freeSmallArrays.size() - 1);
}
freeLargeArrays.addAll(inUseLargeArrays);
freeSmallArrays.addAll(inUseSmallArrays);
inUseLargeArrays.clear();
inUseSmallArrays.clear();
}
public static synchronized String func_85144_b()
{
return "cache: " + freeLargeArrays.size() + ", tcache: " + freeSmallArrays.size() + ", allocated: " + inUseLargeArrays.size() + ", tallocated: " + inUseSmallArrays.size();
}
}