package org.dynmap.bukkit;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Map;
import org.bukkit.Bukkit;
import org.bukkit.Chunk;
import org.bukkit.Server;
import org.bukkit.World;
import org.dynmap.Log;
import org.dynmap.common.BiomeMap;
/**
* Helper for isolation of bukkit version specific issues
*/
public class BukkitVersionHelperCB extends BukkitVersionHelperGeneric {
private Class<?> nmsblock;
private Class<?> nmsblockarray;
private Class<?> nmsmaterial;
private Field blockbyid;
private Field blockname;
private Field material;
private Method blockbyidfunc; // 1.7+ method for getting block by id
BukkitVersionHelperCB() {
}
@Override
protected String getNMSPackage() {
Server srv = Bukkit.getServer();
/* Get getHandle() method */
try {
Method m = srv.getClass().getMethod("getHandle");
Object scm = m.invoke(srv); /* And use it to get SCM (nms object) */
return scm.getClass().getPackage().getName();
} catch (Exception x) {
Log.severe("Error finding net.minecraft.server packages");
return null;
}
}
@Override
protected void loadNMS() {
// Get block fields
nmsblock = getNMSClass("net.minecraft.server.Block");
nmsblockarray = getNMSClass("[Lnet.minecraft.server.Block;");
nmsmaterial = getNMSClass("net.minecraft.server.Material");
blockbyid = getFieldNoFail(nmsblock, new String[] { "byId" }, nmsblockarray);
if (blockbyid == null) {
blockbyidfunc = getMethod(nmsblock, new String[] { "getById", "e" }, new Class[] { int.class });
}
blockname = getPrivateField(nmsblock, new String[] { "name", "b" }, String.class);
material = getPrivateField(nmsblock, new String[] { "material" }, nmsmaterial);
/* Set up biomebase fields */
biomebase = getNMSClass("net.minecraft.server.BiomeBase");
biomebasearray = getNMSClass("[Lnet.minecraft.server.BiomeBase;");
biomebaselist = getPrivateField(biomebase, new String[] { "biomes" }, biomebasearray);
biomebasetemp = getField(biomebase, new String[] { "temperature", "F" }, float.class);
biomebasehumi = getField(biomebase, new String[] { "humidity", "G" }, float.class);
biomebaseidstring = getField(biomebase, new String[] { "y", "af" }, String.class);
biomebaseid = getField(biomebase, new String[] { "id" }, int.class);
/* n.m.s.World */
nmsworld = getNMSClass("net.minecraft.server.WorldServer");
chunkprovserver = getNMSClass("net.minecraft.server.ChunkProviderServer");
nmsw_chunkproviderserver = getField(nmsworld, new String[] { "chunkProviderServer" }, chunkprovserver);
longhashset = getOBCClassNoFail("org.bukkit.craftbukkit.util.LongHashSet");
if(longhashset != null) {
lhs_containskey = getMethod(longhashset, new String[] { "contains" }, new Class[] { int.class, int.class });
}
else {
longhashset = getOBCClass("org.bukkit.craftbukkit.util.LongHashset");
lhs_containskey = getMethod(longhashset, new String[] { "containsKey" }, new Class[] { int.class, int.class });
}
cps_unloadqueue = getFieldNoFail(chunkprovserver, new String[] { "unloadQueue" }, longhashset);
if(cps_unloadqueue == null) {
Log.info("Unload queue not found - default to unload all chunks");
}
/** n.m.s.Chunk */
nmschunk = getNMSClass("net.minecraft.server.Chunk");
nmsc_removeentities = getMethod(nmschunk, new String[] { "removeEntities" }, new Class[0]);
nmsc_tileentities = getField(nmschunk, new String[] { "tileEntities" }, Map.class);
nmsc_inhabitedticks = getFieldNoFail(nmschunk, new String[] { "s", "q" }, long.class);
if (nmsc_inhabitedticks == null) {
Log.info("inhabitedTicks field not found - inhabited shader not functional");
}
/** nbt classes */
nbttagcompound = getNMSClass("net.minecraft.server.NBTTagCompound");
nbttagbyte = getNMSClass("net.minecraft.server.NBTTagByte");
nbttagshort = getNMSClass("net.minecraft.server.NBTTagShort");
nbttagint = getNMSClass("net.minecraft.server.NBTTagInt");
nbttaglong = getNMSClass("net.minecraft.server.NBTTagLong");
nbttagfloat = getNMSClass("net.minecraft.server.NBTTagFloat");
nbttagdouble = getNMSClass("net.minecraft.server.NBTTagDouble");
nbttagbytearray = getNMSClass("net.minecraft.server.NBTTagByteArray");
nbttagstring = getNMSClass("net.minecraft.server.NBTTagString");
nbttagintarray = getNMSClass("net.minecraft.server.NBTTagIntArray");
compound_get = getMethod(nbttagcompound, new String[] { "get" }, new Class[] { String.class });
nbttagbyte_val = getPrivateField(nbttagbyte, new String[] { "data" }, byte.class);
nbttagshort_val = getPrivateField(nbttagshort, new String[] { "data" }, short.class);
nbttagint_val = getPrivateField(nbttagint, new String[] { "data" }, int.class);
nbttaglong_val = getPrivateField(nbttaglong, new String[] { "data" }, long.class);
nbttagfloat_val = getPrivateField(nbttagfloat, new String[] { "data" }, float.class);
nbttagdouble_val = getPrivateField(nbttagdouble, new String[] { "data" }, double.class);
nbttagbytearray_val = getPrivateField(nbttagbytearray, new String[] { "data" }, byte[].class);
nbttagstring_val = getPrivateField(nbttagstring, new String[] { "data" }, String.class);
nbttagintarray_val = getPrivateField(nbttagintarray, new String[] { "data" }, int[].class);
/** Tile entity */
nms_tileentity = getNMSClass("net.minecraft.server.TileEntity");
nmst_readnbt = getMethod(nms_tileentity, new String[] { "b" }, new Class[] { nbttagcompound });
nmst_x = getField(nms_tileentity, new String[] { "x" }, int.class);
nmst_y = getField(nms_tileentity, new String[] { "y" }, int.class);
nmst_z = getField(nms_tileentity, new String[] { "z" }, int.class);
}
@Override
public void unloadChunkNoSave(World w, Chunk c, int cx, int cz) {
this.removeEntitiesFromChunk(c);
w.unloadChunk(cx, cz, false, false);
}
/**
* Get block short name list
*/
@Override
public String[] getBlockShortNames() {
try {
String[] names = new String[4096];
if (blockbyid != null) {
Object[] byid = (Object[])blockbyid.get(nmsblock);
for (int i = 0; i < names.length; i++) {
if (byid[i] != null) {
names[i] = (String)blockname.get(byid[i]);
}
}
}
else {
for (int i = 0; i < names.length; i++) {
Object blk = blockbyidfunc.invoke(nmsblock, i);
if (blk != null) {
names[i] = (String)blockname.get(blk);
}
}
}
return names;
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {
}
return new String[0];
}
/**
* Get biome name list
*/
@Override
public String[] getBiomeNames() {
String[] names;
/* Find array of biomes in biomebase */
Object[] biomelist = getBiomeBaseList();
names = new String[biomelist.length];
/* Loop through list, starting afer well known biomes */
for(int i = 0; i < biomelist.length; i++) {
Object bb = biomelist[i];
if(bb != null) {
names[i] = getBiomeBaseIDString(bb);
}
}
return names;
}
/**
* Get block material index list
*/
public int[] getBlockMaterialMap() {
try {
int[] map = new int[4096];
if (blockbyid != null) {
Object[] byid = (Object[])blockbyid.get(nmsblock);
ArrayList<Object> mats = new ArrayList<Object>();
for (int i = 0; i < map.length; i++) {
if (byid[i] != null) {
Object mat = (Object)material.get(byid[i]);
if (mat != null) {
map[i] = mats.indexOf(mat);
if (map[i] < 0) {
map[i] = mats.size();
mats.add(mat);
}
}
else {
map[i] = -1;
}
}
}
}
else {
ArrayList<Object> mats = new ArrayList<Object>();
for (int i = 0; i < map.length; i++) {
Object blk = blockbyidfunc.invoke(nmsblock, i);
if (blk != null) {
Object mat = (Object)material.get(blk);
if (mat != null) {
map[i] = mats.indexOf(mat);
if (map[i] < 0) {
map[i] = mats.size();
mats.add(mat);
}
}
else {
map[i] = -1;
}
}
}
}
return map;
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {
}
return new int[0];
}
}