dynmap/bukkit-helper/src/main/java/org/dynmap/bukkit/helper/BukkitVersionHelperCB.java

422 lines
18 KiB
Java

package org.dynmap.bukkit.helper;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Map;
import java.util.Set;
import org.bukkit.Bukkit;
import org.bukkit.Chunk;
import org.bukkit.Server;
import org.bukkit.World;
import org.dynmap.Log;
import org.dynmap.hdmap.HDBlockModels;
import org.dynmap.utils.Polygon;
/**
* Helper for isolation of bukkit version specific issues
*/
public class BukkitVersionHelperCB extends BukkitVersionHelperGeneric {
private Class<?> nmsblock;
private Class<?> nmsblockarray;
private Class<?> nmsmaterial;
private Class<?> longset;
private Field blockbyid;
private Field material;
private Method material_issolid;
private Method material_isliquid;
private Method blockbyidfunc; // 1.7+ method for getting block by id
private Method getworldborder; // 1.8+ method for getting world border
private Class<?> nmsworldborder;
private Method worldborderminx;
private Method worldbordermaxx;
private Method worldborderminz;
private Method worldbordermaxz;
private Method getbiomebyid;
private Method getbiomefunc;
private Method getidbybiome;
private Method getbycombinedid;
private boolean isBadUnload = false;
public BukkitVersionHelperCB() {
String bukkitver = Bukkit.getServer().getVersion();
String mcver = "1.0.0";
int idx = bukkitver.indexOf("(MC: ");
if(idx > 0) {
mcver = bukkitver.substring(idx+5);
idx = mcver.indexOf(")");
if(idx > 0) mcver = mcver.substring(0, idx);
}
isBadUnload = HDBlockModels.checkVersionRange(mcver, "1.9-");
Log.verboseinfo("MCVER=" + mcver + ", isBadUnload=" + isBadUnload);
}
@Override
public boolean isUnsafeAsync() {
return true;
}
@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;");
if (isBlockMaterialNeeded()) {
nmsmaterial = getNMSClass("net.minecraft.server.Material");
if (isBlockIdNeeded()) { // Not needed for 1.13+
blockbyid = getFieldNoFail(nmsblock, new String[] { "byId" }, nmsblockarray);
if (blockbyid == null) {
blockbyidfunc = getMethod(nmsblock, new String[] { "getById", "e" }, new Class[] { int.class });
}
}
material = getPrivateField(nmsblock, new String[] { "material" }, nmsmaterial);
getbycombinedid = getMethod(nmsblock, new String[] { "getByCombinedId" }, new Class[] { int.class });
// Get material methods
material_issolid = getMethod(nmsmaterial, new String[] { "isSolid" }, nulltypes);
material_isliquid = getMethod(nmsmaterial, new String[] { "isLiquid" }, nulltypes);
}
/* Set up biomebase fields */
if (isBiomeBaseListNeeded()) {
biomebase = getNMSClass("net.minecraft.server.BiomeBase");
biomebasearray = getNMSClass("[Lnet.minecraft.server.BiomeBase;");
biomebaselist = getPrivateFieldNoFail(biomebase, new String[] { "biomes" }, biomebasearray);
if (biomebaselist == null) {
getbiomefunc = getMethodNoFail(biomebase, new String[] { "getBiome" }, new Class[] { int.class, biomebase });
if (getbiomefunc == null) {
getbiomebyid = getMethod(biomebase, new String[] { "a" }, new Class[] { int.class} );
}
}
biomebasetempfunc = getMethodNoFail(biomebase, new String[] { "getTemperature" }, nulltypes);
if (biomebasetempfunc == null) {
biomebasetemp = getPrivateFieldNoFail(biomebase, new String[] { "B" }, float.class);
if (biomebasetemp != null) {
biomebasehumi = getPrivateField(biomebase, new String[] { "C" }, float.class);
}
else {
biomebasetemp = getPrivateField(biomebase, new String[] { "temperature", "F", "C", "aO" }, float.class);
biomebasehumi = getPrivateField(biomebase, new String[] { "humidity", "G", "D", "aP" }, float.class);
}
}
else {
biomebasehumifunc = getMethod(biomebase, new String[] { "getHumidity" }, nulltypes);
}
biomebaseidstring = getPrivateField(biomebase, new String[] { "y", "af", "ah", "z", "aS", "aR", "f" }, String.class);
biomebaseid = getFieldNoFail(biomebase, new String[] { "id" }, int.class);
if (biomebaseid == null) {
getidbybiome = getMethod(biomebase, new String[] { "a" }, new Class[] { biomebase } );
}
}
/* n.m.s.World */
nmsworld = getNMSClass("net.minecraft.server.WorldServer");
chunkprovserver = getNMSClass("net.minecraft.server.ChunkProviderServer");
nmsw_chunkproviderserver = getPrivateFieldNoFail(nmsworld, new String[] { "chunkProviderServer" }, chunkprovserver);
if (nmsw_chunkproviderserver == null) {
Class<?> nmsworldbase = getNMSClass("net.minecraft.server.World");
Class<?> nmsichunkprovider = getNMSClass("net.minecraft.server.IChunkProvider");
nmsw_chunkproviderserver = getPrivateField(nmsworldbase, new String[] { "chunkProvider" }, nmsichunkprovider);
}
getworldborder = getMethodNoFail(nmsworld, new String[] { "af" }, nulltypes);
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 = getOBCClassNoFail("org.bukkit.craftbukkit.util.LongHashset");
if (longhashset != null) {
lhs_containskey = getMethod(longhashset, new String[] { "containsKey" }, new Class[] { int.class, int.class });
}
}
longset = getOBCClassNoFail("org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.longs.LongSet");
if (longhashset != null) {
lhs_containskey = getMethod(longhashset, new String[] { "contains" }, new Class[] { long.class });
}
cps_unloadqueue_isSet = false;
if (longhashset != null) {
cps_unloadqueue = getPrivateFieldNoFail(chunkprovserver, new String[] { "unloadQueue" }, longhashset);
}
if ((cps_unloadqueue == null) && (longset != null)) {
cps_unloadqueue = getPrivateFieldNoFail(chunkprovserver, new String[] { "unloadQueue" }, longset);
cps_unloadqueue_isSet = true;
}
if(cps_unloadqueue == null) {
cps_unloadqueue = getFieldNoFail(chunkprovserver, new String[] { "unloadQueue" }, Set.class);
cps_unloadqueue_isSet = true;
}
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_tileentities = getField(nmschunk, new String[] { "tileEntities" }, Map.class);
nmsc_inhabitedticks = getPrivateFieldNoFail(nmschunk, new String[] { "s", "q", "u", "v", "w", "A", "z" }, long.class);
if (nmsc_inhabitedticks == null) {
Log.info("inhabitedTicks field not found - inhabited shader not functional");
}
/** n.m.s.WorldBorder */
nmsworldborder = getNMSClassNoFail("net.minecraft.server.WorldBorder");
if (nmsworldborder != null) {
worldbordermaxz = getMethodNoFail(nmsworldborder, new String[] { "f" }, nulltypes);
if (worldbordermaxz == null) {
worldborderminx = getMethod(nmsworldborder, new String[] { "b" }, nulltypes);
worldborderminz = getMethod(nmsworldborder, new String[] { "c" }, nulltypes);
worldbordermaxx = getMethod(nmsworldborder, new String[] { "d" }, nulltypes);
worldbordermaxz = getMethod(nmsworldborder, new String[] { "e" }, nulltypes);
}
else {
worldborderminx = getMethod(nmsworldborder, new String[] { "c" }, nulltypes);
worldborderminz = getMethod(nmsworldborder, new String[] { "d" }, nulltypes);
worldbordermaxx = getMethod(nmsworldborder, new String[] { "e" }, nulltypes);
}
}
/** 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", "save" }, new Class[] { nbttagcompound });
nmst_getposition = getMethodNoFail(nms_tileentity, new String[] { "getPosition" }, new Class[0]); // Try 1.8 method
if (nmst_getposition == null) {
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);
}
else { /* BlockPosition */
nms_blockposition = getNMSClass("net.minecraft.server.BlockPosition");
nmsbp_getx = getMethod(nms_blockposition, new String[] { "getX" }, new Class[0]);
nmsbp_gety = getMethod(nms_blockposition, new String[] { "getY" }, new Class[0]);
nmsbp_getz = getMethod(nms_blockposition, new String[] { "getZ" }, new Class[0]);
}
}
@Override
public void unloadChunkNoSave(World w, Chunk c, int cx, int cz) {
w.unloadChunk(cx, cz, false, false);
}
private String stripBlockString(String bname) {
int idx = bname.indexOf('{');
if (idx >= 0) bname = bname.substring(idx+1);
idx = bname.indexOf('}');
if (idx >= 0) bname = bname.substring(0, idx);
return bname;
}
/**
* Get block short name list
*/
@Override
public String[] getBlockNames() {
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] = stripBlockString(byid[i].toString());
}
}
}
else {
for (int i = 0; i < names.length; i++) {
Object blk = blockbyidfunc.invoke(nmsblock, i);
if (blk != null) {
names[i] = stripBlockString(blk.toString());
}
}
}
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;
}
protected boolean isBlockMaterialNeeded() {
return true;
}
/**
* Get material map by block ID
*/
@Override
public BukkitMaterial[] getMaterialList() {
try {
BukkitMaterial[] map = new BukkitMaterial[4096];
if (blockbyid != null) {
Object[] byid = (Object[])blockbyid.get(nmsblock);
for (int i = 0; i < map.length; i++) {
if (byid[i] != null) {
Object mat = (Object)material.get(byid[i]);
if (mat != null) {
Boolean solid = (Boolean) material_issolid.invoke(mat);
Boolean liquid = (Boolean) material_isliquid.invoke(mat);
map[i] = new BukkitMaterial(mat.toString(), solid, liquid);
}
}
}
}
else if (blockbyidfunc != null) {
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) {
Boolean solid = (Boolean) material_issolid.invoke(mat);
Boolean liquid = (Boolean) material_isliquid.invoke(mat);
map[i] = new BukkitMaterial(mat.toString(), solid, liquid);
}
}
}
}
return map;
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {
}
return new BukkitMaterial[0];
}
@Override
public Polygon getWorldBorder(World world) {
Polygon p = null;
if ((getworldborder == null) || (world == null)) {
return null;
}
Object cw = getNMSWorld(world);
if (cw == null) return null;
Object wb = callMethod(cw, getworldborder, nullargs, null);
if (wb != null) {
double minx = (Double) callMethod(wb, worldborderminx, nullargs, Double.MIN_VALUE);
double minz = (Double) callMethod(wb, worldborderminz, nullargs, Double.MIN_VALUE);
double maxx = (Double) callMethod(wb, worldbordermaxx, nullargs, Double.MAX_VALUE);
double maxz = (Double) callMethod(wb, worldbordermaxz, nullargs, Double.MAX_VALUE);
if (maxx < 1E7) {
p = new Polygon();
p.addVertex(minx, minz);
p.addVertex(minx, maxz);
p.addVertex(maxx, maxz);
p.addVertex(maxx, minz);
}
}
return p;
}
protected Object[] biomelist = null;
/**
* Get list of defined biomebase objects
*/
public Object[] getBiomeBaseList() {
if ((getbiomebyid != null) || (getbiomefunc != null)) {
if (biomelist == null) {
biomelist = new Object[1024];
for (int i = 0; i < 1024; i++) {
try {
if (getbiomefunc != null)
biomelist[i] = getbiomefunc.invoke(biomebase, i, null);
else
biomelist[i] = getbiomebyid.invoke(biomebase, i);
} catch (IllegalAccessException x) {
} catch (IllegalArgumentException x) {
} catch (InvocationTargetException x) {
}
}
}
return biomelist;
}
return super.getBiomeBaseList();
}
/** Get ID from biomebase */
public int getBiomeBaseID(Object bb) {
if (getidbybiome != null) {
try {
return (Integer) getidbybiome.invoke(biomebase, bb);
} catch (IllegalAccessException e) {
} catch (IllegalArgumentException e) {
} catch (InvocationTargetException e) {
}
}
return super.getBiomeBaseID(bb);
}
/**
* Test if broken unloadChunk
*/
@Override
public boolean isUnloadChunkBroken() { return isBadUnload; }
@Override
public String getStateStringByCombinedId(int blkid, int meta) {
int id = blkid | (meta << 12);
if (getbycombinedid != null) {
try {
Object iblockdata = getbycombinedid.invoke(nmsblock, id);
if (iblockdata != null) {
String nm = iblockdata.toString();
int off1 = nm.indexOf('[');
if (off1 >= 0) {
int off2 = nm.indexOf(']');
return nm.substring(off1+1, off2);
}
}
} catch (IllegalAccessException x) {
} catch (IllegalArgumentException x) {
} catch (InvocationTargetException x) {
}
}
return "meta=" + meta;
}
}