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Code temporary fix to workaround Bukkit 1.8 raw biome issue (pending accept of pull CraftBukkit 457)

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Mike Primm 2011-09-17 11:52:29 +08:00 committed by mikeprimm
parent 7d89fe094a
commit 7cf9f2f1e4
1 changed files with 99 additions and 21 deletions
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120
src/main/java/org/dynmap/utils/NewMapChunkCache.java
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@ -24,10 +24,12 @@ import org.dynmap.utils.MapIterator.BlockStep;
public class NewMapChunkCache implements MapChunkCache {
private static boolean init = false;
private static Method poppreservedchunk = null;
private static Method getsnapshot2 = null;
private static Method getemptysnapshot = null;
private static Method gethandle = null;
private static Method removeentities = null;
private static Method getworldchunkmgr = null;
private static Method getraindata = null;
private static Method gettempdata = null;
private static Method getworldhandle = null;
private World w;
private List<DynmapChunk> chunks;
@ -313,16 +315,14 @@ public class NewMapChunkCache implements MapChunkCache {
try {
Class c = Class.forName("org.bukkit.craftbukkit.CraftWorld");
poppreservedchunk = c.getDeclaredMethod("popPreservedChunk", new Class[] { int.class, int.class });
/* getEmptyChunkSnapshot(int x, int z, boolean includeBiome, boolean includeBiomeTempRain) */
getemptysnapshot = c.getDeclaredMethod("getEmptyChunkSnapshot", new Class[] { int.class, int.class,
boolean.class, boolean.class });
/* getHandle() */
getworldhandle = c.getDeclaredMethod("getHandle", new Class[0]);
} catch (ClassNotFoundException cnfx) {
} catch (NoSuchMethodException nsmx) {
}
/* Get CraftChunk.getChunkSnapshot(boolean,boolean,boolean) and CraftChunk.getHandle() */
try {
Class c = Class.forName("org.bukkit.craftbukkit.CraftChunk");
getsnapshot2 = c.getDeclaredMethod("getChunkSnapshot", new Class[] { boolean.class, boolean.class, boolean.class });
gethandle = c.getDeclaredMethod("getHandle", new Class[0]);
} catch (ClassNotFoundException cnfx) {
} catch (NoSuchMethodException nsmx) {
@ -334,6 +334,23 @@ public class NewMapChunkCache implements MapChunkCache {
} catch (ClassNotFoundException cnfx) {
} catch (NoSuchMethodException nsmx) {
}
/* Get WorldChunkManager.b(float[],int,int,int,int) and WorldChunkManager.a(float[],int,int,int,int) */
try {
Class c = Class.forName("net.minecraft.server.WorldChunkManager");
getraindata = c.getDeclaredMethod("b", new Class[] { float[].class, int.class, int.class, int.class, int.class });
gettempdata = c.getDeclaredMethod("a", new Class[] { float[].class, int.class, int.class, int.class, int.class });
} catch (ClassNotFoundException cnfx) {
} catch (NoSuchMethodException nsmx) {
}
/* getWorldChunkManager() */
try {
Class c = Class.forName("net.minecraft.server.World");
getworldchunkmgr = c.getDeclaredMethod("getWorldChunkManager", new Class[0]);
} catch (ClassNotFoundException cnfx) {
} catch (NoSuchMethodException nsmx) {
}
init = true;
}
}
@ -377,6 +394,75 @@ public class NewMapChunkCache implements MapChunkCache {
snaparray = new ChunkSnapshot[x_dim * (z_max-z_min+1)];
}
private static class RawBiomeChunkFacade implements ChunkSnapshot {
private ChunkSnapshot ss;
private double[] temp;
private double[] rain;
RawBiomeChunkFacade(ChunkSnapshot ss, double[] temp, double[] rain) {
this.ss = ss;
this.temp = temp;
this.rain = rain;
}
/* Need these for interface, but not used */
public final int getX() { return ss.getX(); }
public final int getZ() { return ss.getZ(); }
public final String getWorldName() { return ss.getWorldName(); }
public final Biome getBiome(int x, int z) { return ss.getBiome(x, z); }
public final double getRawBiomeTemperature(int x, int z) { return temp[(z<<4) | x]; }
public final double getRawBiomeRainfall(int x, int z) { return rain[(z<<4) | x]; }
public final long getCaptureFullTime() { return ss.getCaptureFullTime(); }
public final int getBlockTypeId(int x, int y, int z) { return ss.getBlockTypeId(x, y, z); }
public final int getBlockData(int x, int y, int z) { return ss.getBlockData(x, y, z); }
public final int getBlockSkyLight(int x, int y, int z) { return ss.getBlockSkyLight(x, y, z); }
public final int getBlockEmittedLight(int x, int y, int z) { return ss.getBlockEmittedLight(x, y, z); }
public final int getHighestBlockYAt(int x, int z) { return ss.getHighestBlockYAt(x, z); }
}
private boolean did_biome_check = false;
private boolean need_biome_fix = false;
private ChunkSnapshot handleRawBiomeFix(World w, Chunk c, ChunkSnapshot ss) {
if(did_biome_check == false) { /* See if biome fix needed */
need_biome_fix = true;
for(int i = 0; need_biome_fix && (i < 16); i++) {
for(int j = 0; need_biome_fix && (j < 16); j++) {
if(ss.getRawBiomeRainfall(i, j) != 0.0)
need_biome_fix = false;
if(ss.getRawBiomeTemperature(i, j) != 0.0)
need_biome_fix = false;
}
}
if(need_biome_fix) {
need_biome_fix = (getraindata != null) && (gettempdata != null) && (getworldhandle != null) && (getworldchunkmgr != null);
}
did_biome_check = true;
}
if(need_biome_fix) {
try {
Object ww = getworldhandle.invoke(w);
Object wcm = getworldchunkmgr.invoke(ww);
if(wcm != null) {
double[] rain = new double[256];
double[] temp = new double[256];
float[] data = (float[])getraindata.invoke(wcm, (float[])null, c.getX()<<4, c.getZ()<<4,16,16);
for(int i = 0; i < 256; i++) {
rain[i] = data[i];
}
data = (float[])gettempdata.invoke(wcm, (float[])null, c.getX()<<4, c.getZ()<<4,16,16);
for(int i = 0; i < 256; i++) {
temp[i] = data[i];
}
ss = new RawBiomeChunkFacade(ss, temp, rain);
}
} catch (InvocationTargetException itx) {
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
}
}
return ss;
}
public int loadChunks(int max_to_load) {
int cnt = 0;
if(iterator == null)
@ -436,21 +522,15 @@ public class NewMapChunkCache implements MapChunkCache {
}
else {
Chunk c = w.getChunkAt(chunk.x, chunk.z);
if(getsnapshot2 != null) {
try {
if(blockdata || highesty)
ss = (ChunkSnapshot)getsnapshot2.invoke(c, highesty, biome, biomeraw);
else
ss = (ChunkSnapshot)getemptysnapshot.invoke(w, chunk.x, chunk.z, biome, biomeraw);
} catch (InvocationTargetException itx) {
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
}
}
if(blockdata || highesty)
ss = c.getChunkSnapshot(highesty, biome, biomeraw);
else
ss = c.getChunkSnapshot();
if(ss != null)
ss = w.getEmptyChunkSnapshot(chunk.x, chunk.z, biome, biomeraw);
if(ss != null) {
if(biomeraw)
ss = handleRawBiomeFix(w, c, ss);
MapManager.mapman.sscache.putSnapshot(w.getName(), chunk.x, chunk.z, ss, blockdata, biome, biomeraw, highesty);
}
}
snaparray[(chunk.x-x_min) + (chunk.z - z_min)*x_dim] = ss;
}
@ -653,8 +733,6 @@ public class NewMapChunkCache implements MapChunkCache {
}
@Override
public boolean setChunkDataTypes(boolean blockdata, boolean biome, boolean highestblocky, boolean rawbiome) {
if((getsnapshot2 == null) && (biome || rawbiome))
return false;
this.biome = biome;
this.biomeraw = rawbiome;
this.highesty = highestblocky;