mirror of
https://github.com/webbukkit/dynmap.git
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Add support for MCPC-Plus
This commit is contained in:
Mike Primm
parent
18325c2b33
commit
9144bff25b
@ -15,420 +15,91 @@ import org.dynmap.Log;
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/**
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* Helper for isolation of bukkit version specific issues
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*/
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public class BukkitVersionHelper {
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private String obc_package; // Package used for org.bukkit.craftbukkit
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private String nms_package; // Package used for net.minecraft.server
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private static BukkitVersionHelper helper;
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private boolean failed;
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private static final Object[] nullargs = new Object[0];
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private static final Map nullmap = Collections.emptyMap();
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/** BiomeBase related helpers */
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private Class<?> biomebase;
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private Class<?> biomebasearray;
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private Field biomebaselist;
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private Field biomebasetemp;
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private Field biomebasehumi;
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private Field biomebaseidstring;
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private Field biomebaseid;
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/** CraftWorld */
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private Class<?> craftworld;
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private Method cw_gethandle;
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/** n.m.s.World */
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private Class<?> nmsworld;
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private Class<?> chunkprovserver;
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private Class<?> longhashset;
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private Field nmsw_chunkproviderserver;
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private Field cps_unloadqueue;
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private Method lhs_containskey;
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/** CraftChunkSnapshot */
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private Class<?> craftchunksnapshot;
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private Field ccss_biome;
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/** CraftChunk */
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private Class<?> craftchunk;
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private Method cc_gethandle;
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/** o.m.s.Chunk */
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private Class<?> nmschunk;
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private Method nmsc_removeentities;
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private Field nmsc_tileentities;
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/** nbt classes */
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private Class<?> nbttagcompound;
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private Class<?> nbttagbyte;
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private Class<?> nbttagshort;
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private Class<?> nbttagint;
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private Class<?> nbttaglong;
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private Class<?> nbttagfloat;
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private Class<?> nbttagdouble;
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private Class<?> nbttagbytearray;
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private Class<?> nbttagstring;
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private Class<?> nbttagintarray;
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private Method compound_get;
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private Field nbttagbyte_val;
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private Field nbttagshort_val;
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private Field nbttagint_val;
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private Field nbttaglong_val;
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private Field nbttagfloat_val;
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private Field nbttagdouble_val;
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private Field nbttagbytearray_val;
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private Field nbttagstring_val;
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private Field nbttagintarray_val;
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/** Tile entity */
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private Class<?> nms_tileentity;
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private Method nmst_readnbt;
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private Field nmst_x;
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private Field nmst_y;
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private Field nmst_z;
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public abstract class BukkitVersionHelper {
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private static BukkitVersionHelper helper = null;
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public static final BukkitVersionHelper getHelper() {
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if(helper == null) {
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helper = new BukkitVersionHelper();
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if(Bukkit.getServer().getVersion().contains("MCPC")) {
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Log.info("Loader version helper for MCPC");
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helper = new BukkitVersionHelperMCPC();
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}
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else {
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helper = new BukkitVersionHelperCB();
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}
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}
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return helper;
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}
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private BukkitVersionHelper() {
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failed = false;
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Server srv = Bukkit.getServer();
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/* Look up base classname for bukkit server - tells us OBC package */
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obc_package = Bukkit.getServer().getClass().getPackage().getName();
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/* Get getHandle() method */
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try {
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Method m = srv.getClass().getMethod("getHandle");
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Object scm = m.invoke(srv); /* And use it to get SCM (nms object) */
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nms_package = scm.getClass().getPackage().getName();
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} catch (Exception x) {
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Log.severe("Error finding net.minecraft.server packages");
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nms_package = "net.minecraft.server" + obc_package.substring("org.bukkit.craftbukkit".length());
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failed = true;
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}
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protected BukkitVersionHelper() {
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/* Set up biomebase fields */
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biomebase = getNMSClass("net.minecraft.server.BiomeBase");
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biomebasearray = getNMSClass("[Lnet.minecraft.server.BiomeBase;");
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biomebaselist = getField(biomebase, new String[] { "biomes" }, biomebasearray);
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biomebasetemp = getField(biomebase, new String[] { "temperature", "F" }, float.class);
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biomebasehumi = getField(biomebase, new String[] { "humidity", "G" }, float.class);
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biomebaseidstring = getField(biomebase, new String[] { "y" }, String.class);
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biomebaseid = getField(biomebase, new String[] { "id" }, int.class);
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/* Craftworld fields */
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craftworld = getOBCClass("org.bukkit.craftbukkit.CraftWorld");
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cw_gethandle = getMethod(craftworld, new String[] { "getHandle" }, new Class[0]);
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/* n.m.s.World */
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nmsworld = getNMSClass("net.minecraft.server.WorldServer");
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chunkprovserver = getNMSClass("net.minecraft.server.ChunkProviderServer");
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longhashset = getOBCClassNoFail("org.bukkit.craftbukkit.util.LongHashSet");
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if(longhashset != null) {
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lhs_containskey = getMethod(longhashset, new String[] { "contains" }, new Class[] { int.class, int.class });
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}
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else {
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longhashset = getOBCClass("org.bukkit.craftbukkit.util.LongHashset");
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lhs_containskey = getMethod(longhashset, new String[] { "containsKey" }, new Class[] { int.class, int.class });
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}
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nmsw_chunkproviderserver = getField(nmsworld, new String[] { "chunkProviderServer" }, chunkprovserver);
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cps_unloadqueue = getFieldNoFail(chunkprovserver, new String[] { "unloadQueue" }, longhashset);
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if(cps_unloadqueue == null) {
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Log.info("Unload queue not found - default to unload all chunks");
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}
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/* CraftChunkSnapshot */
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craftchunksnapshot = getOBCClass("org.bukkit.craftbukkit.CraftChunkSnapshot");
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ccss_biome = getPrivateField(craftchunksnapshot, new String[] { "biome" }, biomebasearray);
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/** CraftChunk */
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craftchunk = getOBCClass("org.bukkit.craftbukkit.CraftChunk");
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cc_gethandle = getMethod(craftchunk, new String[] { "getHandle" }, new Class[0]);
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/** n.m.s.Chunk */
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nmschunk = getNMSClass("net.minecraft.server.Chunk");
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nmsc_removeentities = getMethod(nmschunk, new String[] { "removeEntities" }, new Class[0]);
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nmsc_tileentities = getField(nmschunk, new String[] { "tileEntities" }, Map.class);
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/** nbt classes */
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nbttagcompound = getNMSClass("net.minecraft.server.NBTTagCompound");
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nbttagbyte = getNMSClass("net.minecraft.server.NBTTagByte");
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nbttagshort = getNMSClass("net.minecraft.server.NBTTagShort");
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nbttagint = getNMSClass("net.minecraft.server.NBTTagInt");
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nbttaglong = getNMSClass("net.minecraft.server.NBTTagLong");
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nbttagfloat = getNMSClass("net.minecraft.server.NBTTagFloat");
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nbttagdouble = getNMSClass("net.minecraft.server.NBTTagDouble");
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nbttagbytearray = getNMSClass("net.minecraft.server.NBTTagByteArray");
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nbttagstring = getNMSClass("net.minecraft.server.NBTTagString");
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nbttagintarray = getNMSClass("net.minecraft.server.NBTTagIntArray");
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compound_get = getMethod(nbttagcompound, new String[] { "get" }, new Class[] { String.class });
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nbttagbyte_val = getField(nbttagbyte, new String[] { "data" }, byte.class);
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nbttagshort_val = getField(nbttagshort, new String[] { "data" }, short.class);
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nbttagint_val = getField(nbttagint, new String[] { "data" }, int.class);
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nbttaglong_val = getField(nbttaglong, new String[] { "data" }, long.class);
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nbttagfloat_val = getField(nbttagfloat, new String[] { "data" }, float.class);
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nbttagdouble_val = getField(nbttagdouble, new String[] { "data" }, double.class);
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nbttagbytearray_val = getField(nbttagbytearray, new String[] { "data" }, byte[].class);
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nbttagstring_val = getField(nbttagstring, new String[] { "data" }, String.class);
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nbttagintarray_val = getField(nbttagintarray, new String[] { "data" }, int[].class);
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/** Tile entity */
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nms_tileentity = getNMSClass("net.minecraft.server.TileEntity");
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nmst_readnbt = getMethod(nms_tileentity, new String[] { "b" }, new Class[] { nbttagcompound });
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nmst_x = getField(nms_tileentity, new String[] { "x" }, int.class);
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nmst_y = getField(nms_tileentity, new String[] { "y" }, int.class);
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nmst_z = getField(nms_tileentity, new String[] { "z" }, int.class);
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if(failed)
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throw new IllegalArgumentException("Error initializing dynmap - bukkit version incompatible!");
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}
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public Class<?> getOBCClass(String classname) {
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return getClassByName(classname, "org.bukkit.craftbukkit", obc_package, false);
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}
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public Class<?> getOBCClassNoFail(String classname) {
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return getClassByName(classname, "org.bukkit.craftbukkit", obc_package, true);
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}
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public Class<?> getNMSClass(String classname) {
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return getClassByName(classname, "net.minecraft.server", nms_package, false);
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}
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public Class<?> getClassByName(String classname, String base, String mapping, boolean nofail) {
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String n = classname;
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int idx = classname.indexOf(base);
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if(idx >= 0) {
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n = classname.substring(0, idx) + mapping + classname.substring(idx + base.length());
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}
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try {
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return Class.forName(n);
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} catch (ClassNotFoundException cnfx) {
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try {
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return Class.forName(classname);
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} catch (ClassNotFoundException cnfx2) {
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if(!nofail) {
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Log.severe("Cannot find " + classname);
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failed = true;
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}
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return null;
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}
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}
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}
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/**
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* Get field
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*/
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private Field getField(Class<?> cls, String[] ids, Class<?> type) {
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return getField(cls, ids, type, false);
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}
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private Field getFieldNoFail(Class<?> cls, String[] ids, Class<?> type) {
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return getField(cls, ids, type, true);
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}
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/**
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* Get field
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*/
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private Field getField(Class<?> cls, String[] ids, Class<?> type, boolean nofail) {
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if((cls == null) || (type == null)) return null;
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for(String id : ids) {
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try {
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Field f = cls.getField(id);
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if(f.getType().isAssignableFrom(type)) {
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return f;
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}
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} catch (NoSuchFieldException nsfx) {
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}
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}
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if(!nofail) {
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Log.severe("Unable to find field " + ids[0] + " for " + cls.getName());
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failed = true;
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}
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return null;
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}
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/**
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* Get private field
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*/
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private Field getPrivateField(Class<?> cls, String[] ids, Class<?> type) {
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if((cls == null) || (type == null)) return null;
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for(String id : ids) {
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try {
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Field f = cls.getDeclaredField(id);
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if(f.getType().isAssignableFrom(type)) {
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f.setAccessible(true);
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return f;
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}
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} catch (NoSuchFieldException nsfx) {
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}
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}
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Log.severe("Unable to find field " + ids[0] + " for " + cls.getName());
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failed = true;
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return null;
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}
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private Object getFieldValue(Object obj, Field field, Object def) {
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if((obj != null) && (field != null)) {
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try {
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return field.get(obj);
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} catch (IllegalArgumentException e) {
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} catch (IllegalAccessException e) {
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}
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}
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return def;
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}
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/**
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* Get method
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*/
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private Method getMethod(Class<?> cls, String[] ids, Class[] args) {
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if(cls == null) return null;
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for(String id : ids) {
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try {
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return cls.getMethod(id, args);
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} catch (SecurityException e) {
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} catch (NoSuchMethodException e) {
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}
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}
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Log.severe("Unable to find method " + ids[0] + " for " + cls.getName());
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failed = true;
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return null;
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}
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private Object callMethod(Object obj, Method meth, Object[] args, Object def) {
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if((obj == null) || (meth == null)) {
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return def;
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}
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try {
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return meth.invoke(obj, args);
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} catch (IllegalArgumentException iax) {
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} catch (IllegalAccessException e) {
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} catch (InvocationTargetException e) {
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}
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return def;
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}
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/**
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* Get list of defined biomebase objects
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*/
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public Object[] getBiomeBaseList() {
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return (Object[]) getFieldValue(biomebase, biomebaselist, new Object[0]);
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}
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/** Get temperature from biomebase */
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public float getBiomeBaseTemperature(Object bb) {
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return (Float) getFieldValue(bb, biomebasetemp, 0.5F);
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}
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/** Get humidity from biomebase */
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public float getBiomeBaseHumidity(Object bb) {
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return (Float) getFieldValue(bb, biomebasehumi, 0.5F);
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}
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/** Get ID string from biomebase */
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public String getBiomeBaseIDString(Object bb) {
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return (String) getFieldValue(bb, biomebaseidstring, null);
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}
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/** Get ID from biomebase */
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public int getBiomeBaseID(Object bb) {
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return (Integer) getFieldValue(bb, biomebaseid, -1);
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}
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/* Get net.minecraft.server.world for given world */
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public Object getNMSWorld(World w) {
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return callMethod(w, cw_gethandle, nullargs, null);
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}
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/* Get unload queue for given NMS world */
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public Object getUnloadQueue(Object nmsworld) {
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Object cps = getFieldValue(nmsworld, nmsw_chunkproviderserver, null); // Get chunkproviderserver
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if(cps != null) {
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return getFieldValue(cps, cps_unloadqueue, null);
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}
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return null;
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}
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/* For testing unload queue for presence of givne chunk */
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public boolean isInUnloadQueue(Object unloadqueue, int x, int z) {
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if(unloadqueue != null) {
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return (Boolean)callMethod(unloadqueue, lhs_containskey, new Object[] { x, z }, true);
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}
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return true;
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}
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public Object[] getBiomeBaseFromSnapshot(ChunkSnapshot css) {
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return (Object[])getFieldValue(css, ccss_biome, null);
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}
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public boolean isCraftChunkSnapshot(ChunkSnapshot css) {
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if(craftchunksnapshot != null) {
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return craftchunksnapshot.isAssignableFrom(css.getClass());
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}
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return false;
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}
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/** Remove entities from given chunk */
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public void removeEntitiesFromChunk(Chunk c) {
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Object omsc = callMethod(c, cc_gethandle, nullargs, null);
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if(omsc != null) {
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callMethod(omsc, nmsc_removeentities, nullargs, null);
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}
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}
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/** Get tile entities map from chunk */
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public Map getTileEntitiesForChunk(Chunk c) {
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Object omsc = callMethod(c, cc_gethandle, nullargs, null);
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if(omsc != null) {
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return (Map)getFieldValue(omsc, nmsc_tileentities, nullmap);
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}
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return nullmap;
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}
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public abstract Object[] getBiomeBaseList();
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/**
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* Get temperature from biomebase
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*/
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public abstract float getBiomeBaseTemperature(Object bb);
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/**
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* Get humidity from biomebase
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*/
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public abstract float getBiomeBaseHumidity(Object bb);
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/**
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* Get ID string from biomebase
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*/
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public abstract String getBiomeBaseIDString(Object bb);
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/**
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* Get ID from biomebase
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*/
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public abstract int getBiomeBaseID(Object bb);
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/**
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* Get net.minecraft.server.world for given world
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*/
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public abstract Object getNMSWorld(World w);
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/**
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* Get unload queue for given NMS world
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*/
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public abstract Object getUnloadQueue(Object nmsworld);
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/**
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* For testing unload queue for presence of givne chunk
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*/
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public abstract boolean isInUnloadQueue(Object unloadqueue, int x, int z);
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/**
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* Read raw biome ID from snapshot
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*/
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public abstract Object[] getBiomeBaseFromSnapshot(ChunkSnapshot css);
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/**
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* Test if normal chunk snapshot
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*/
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public abstract boolean isCraftChunkSnapshot(ChunkSnapshot css);
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/**
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* Remove entities from given chunk
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*/
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public abstract void removeEntitiesFromChunk(Chunk c);
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/**
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* Get tile entities map from chunk
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*/
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public abstract Map getTileEntitiesForChunk(Chunk c);
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/**
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* Get X coordinate of tile entity
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*/
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public int getTileEntityX(Object te) {
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return (Integer)getFieldValue(te, nmst_x, 0);
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}
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public abstract int getTileEntityX(Object te);
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/**
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* Get Y coordinate of tile entity
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*/
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public int getTileEntityY(Object te) {
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return (Integer)getFieldValue(te, nmst_y, 0);
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}
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public abstract int getTileEntityY(Object te);
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/**
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* Get Z coordinate of tile entity
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*/
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public int getTileEntityZ(Object te) {
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return (Integer)getFieldValue(te, nmst_z, 0);
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}
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public abstract int getTileEntityZ(Object te);
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/**
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* Read tile entity NBT
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*/
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public Object readTileEntityNBT(Object te) {
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if(nbttagcompound == null) return null;
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Object nbt = null;
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||||
try {
|
||||
nbt = nbttagcompound.newInstance();
|
||||
} catch (InstantiationException e) {
|
||||
} catch (IllegalAccessException e) {
|
||||
}
|
||||
if(nbt != null) {
|
||||
callMethod(te, nmst_readnbt, new Object[] { nbt }, null);
|
||||
}
|
||||
return nbt;
|
||||
}
|
||||
public abstract Object readTileEntityNBT(Object te);
|
||||
/**
|
||||
* Get field value from NBT compound
|
||||
*/
|
||||
public Object getFieldValue(Object nbt, String field) {
|
||||
Object val = callMethod(nbt, compound_get, new Object[] { field }, null);
|
||||
if(val == null) return null;
|
||||
Class<?> valcls = val.getClass();
|
||||
if(valcls.equals(nbttagbyte)) {
|
||||
return getFieldValue(val, nbttagbyte_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagshort)) {
|
||||
return getFieldValue(val, nbttagshort_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagint)) {
|
||||
return getFieldValue(val, nbttagint_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttaglong)) {
|
||||
return getFieldValue(val, nbttaglong_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagfloat)) {
|
||||
return getFieldValue(val, nbttagfloat_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagdouble)) {
|
||||
return getFieldValue(val, nbttagdouble_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagbytearray)) {
|
||||
return getFieldValue(val, nbttagbytearray_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagstring)) {
|
||||
return getFieldValue(val, nbttagstring_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagintarray)) {
|
||||
return getFieldValue(val, nbttagintarray_val, null);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
public abstract Object getFieldValue(Object nbt, String field);
|
||||
}
|
||||
|
||||
86
src/main/java/org/dynmap/bukkit/BukkitVersionHelperCB.java
Normal file
86
src/main/java/org/dynmap/bukkit/BukkitVersionHelperCB.java
Normal file
@ -0,0 +1,86 @@
|
||||
package org.dynmap.bukkit;
|
||||
|
||||
import java.lang.reflect.Field;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.lang.reflect.Method;
|
||||
import java.util.Collections;
|
||||
import java.util.Map;
|
||||
import org.bukkit.Bukkit;
|
||||
import org.bukkit.Chunk;
|
||||
import org.bukkit.ChunkSnapshot;
|
||||
import org.bukkit.Server;
|
||||
import org.bukkit.World;
|
||||
import org.dynmap.Log;
|
||||
|
||||
/**
|
||||
* Helper for isolation of bukkit version specific issues
|
||||
*/
|
||||
public class BukkitVersionHelperCB extends BukkitVersionHelperGeneric {
|
||||
|
||||
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() {
|
||||
/* Set up biomebase fields */
|
||||
biomebase = getNMSClass("net.minecraft.server.BiomeBase");
|
||||
biomebasearray = getNMSClass("[Lnet.minecraft.server.BiomeBase;");
|
||||
biomebaselist = getField(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" }, 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);
|
||||
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);
|
||||
/** 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 = getField(nbttagbyte, new String[] { "data" }, byte.class);
|
||||
nbttagshort_val = getField(nbttagshort, new String[] { "data" }, short.class);
|
||||
nbttagint_val = getField(nbttagint, new String[] { "data" }, int.class);
|
||||
nbttaglong_val = getField(nbttaglong, new String[] { "data" }, long.class);
|
||||
nbttagfloat_val = getField(nbttagfloat, new String[] { "data" }, float.class);
|
||||
nbttagdouble_val = getField(nbttagdouble, new String[] { "data" }, double.class);
|
||||
nbttagbytearray_val = getField(nbttagbytearray, new String[] { "data" }, byte[].class);
|
||||
nbttagstring_val = getField(nbttagstring, new String[] { "data" }, String.class);
|
||||
nbttagintarray_val = getField(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);
|
||||
}
|
||||
}
|
||||
380
src/main/java/org/dynmap/bukkit/BukkitVersionHelperGeneric.java
Normal file
380
src/main/java/org/dynmap/bukkit/BukkitVersionHelperGeneric.java
Normal file
@ -0,0 +1,380 @@
|
||||
package org.dynmap.bukkit;
|
||||
|
||||
import java.lang.reflect.Field;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.lang.reflect.Method;
|
||||
import java.util.Collections;
|
||||
import java.util.Map;
|
||||
import org.bukkit.Bukkit;
|
||||
import org.bukkit.Chunk;
|
||||
import org.bukkit.ChunkSnapshot;
|
||||
import org.bukkit.Server;
|
||||
import org.bukkit.World;
|
||||
import org.dynmap.Log;
|
||||
|
||||
/**
|
||||
* Helper for isolation of bukkit version specific issues
|
||||
*/
|
||||
public abstract class BukkitVersionHelperGeneric extends BukkitVersionHelper {
|
||||
private String obc_package; // Package used for org.bukkit.craftbukkit
|
||||
protected String nms_package; // Package used for net.minecraft.server
|
||||
private boolean failed;
|
||||
private static final Object[] nullargs = new Object[0];
|
||||
private static final Map nullmap = Collections.emptyMap();
|
||||
|
||||
/** CraftChunkSnapshot */
|
||||
private Class<?> craftchunksnapshot;
|
||||
private Field ccss_biome;
|
||||
/** CraftChunk */
|
||||
private Class<?> craftchunk;
|
||||
private Method cc_gethandle;
|
||||
/** CraftWorld */
|
||||
private Class<?> craftworld;
|
||||
private Method cw_gethandle;
|
||||
|
||||
/** BiomeBase related helpers */
|
||||
protected Class<?> biomebase;
|
||||
protected Class<?> biomebasearray;
|
||||
protected Field biomebaselist;
|
||||
protected Field biomebasetemp;
|
||||
protected Field biomebasehumi;
|
||||
protected Field biomebaseidstring;
|
||||
protected Field biomebaseid;
|
||||
/** n.m.s.World */
|
||||
protected Class<?> nmsworld;
|
||||
protected Class<?> chunkprovserver;
|
||||
protected Class<?> longhashset;
|
||||
protected Field nmsw_chunkproviderserver;
|
||||
protected Field cps_unloadqueue;
|
||||
protected Method lhs_containskey;
|
||||
/** n.m.s.Chunk */
|
||||
protected Class<?> nmschunk;
|
||||
protected Method nmsc_removeentities;
|
||||
protected Field nmsc_tileentities;
|
||||
/** nbt classes */
|
||||
protected Class<?> nbttagcompound;
|
||||
protected Class<?> nbttagbyte;
|
||||
protected Class<?> nbttagshort;
|
||||
protected Class<?> nbttagint;
|
||||
protected Class<?> nbttaglong;
|
||||
protected Class<?> nbttagfloat;
|
||||
protected Class<?> nbttagdouble;
|
||||
protected Class<?> nbttagbytearray;
|
||||
protected Class<?> nbttagstring;
|
||||
protected Class<?> nbttagintarray;
|
||||
protected Method compound_get;
|
||||
protected Field nbttagbyte_val;
|
||||
protected Field nbttagshort_val;
|
||||
protected Field nbttagint_val;
|
||||
protected Field nbttaglong_val;
|
||||
protected Field nbttagfloat_val;
|
||||
protected Field nbttagdouble_val;
|
||||
protected Field nbttagbytearray_val;
|
||||
protected Field nbttagstring_val;
|
||||
protected Field nbttagintarray_val;
|
||||
/** Tile entity */
|
||||
protected Class<?> nms_tileentity;
|
||||
protected Method nmst_readnbt;
|
||||
protected Field nmst_x;
|
||||
protected Field nmst_y;
|
||||
protected Field nmst_z;
|
||||
|
||||
BukkitVersionHelperGeneric() {
|
||||
failed = false;
|
||||
Server srv = Bukkit.getServer();
|
||||
/* Look up base classname for bukkit server - tells us OBC package */
|
||||
obc_package = Bukkit.getServer().getClass().getPackage().getName();
|
||||
/* Get NMS package */
|
||||
nms_package = getNMSPackage();
|
||||
if(nms_package == null) {
|
||||
failed = true;
|
||||
}
|
||||
/* Craftworld fields */
|
||||
craftworld = getOBCClass("org.bukkit.craftbukkit.CraftWorld");
|
||||
cw_gethandle = getMethod(craftworld, new String[] { "getHandle" }, new Class[0]);
|
||||
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 });
|
||||
}
|
||||
/* CraftChunkSnapshot */
|
||||
craftchunksnapshot = getOBCClass("org.bukkit.craftbukkit.CraftChunkSnapshot");
|
||||
ccss_biome = getPrivateField(craftchunksnapshot, new String[] { "biome" }, biomebasearray);
|
||||
/* CraftChunk */
|
||||
craftchunk = getOBCClass("org.bukkit.craftbukkit.CraftChunk");
|
||||
cc_gethandle = getMethod(craftchunk, new String[] { "getHandle" }, new Class[0]);
|
||||
/* Get NMS classes and fields */
|
||||
if(!failed)
|
||||
loadNMS();
|
||||
|
||||
if(failed)
|
||||
throw new IllegalArgumentException("Error initializing dynmap - bukkit version incompatible!");
|
||||
}
|
||||
|
||||
protected abstract void loadNMS();
|
||||
|
||||
protected abstract String getNMSPackage();
|
||||
|
||||
protected Class<?> getOBCClass(String classname) {
|
||||
return getClassByName(classname, "org.bukkit.craftbukkit", obc_package, false);
|
||||
}
|
||||
|
||||
protected Class<?> getOBCClassNoFail(String classname) {
|
||||
return getClassByName(classname, "org.bukkit.craftbukkit", obc_package, true);
|
||||
}
|
||||
|
||||
protected Class<?> getNMSClass(String classname) {
|
||||
return getClassByName(classname, "net.minecraft.server", nms_package, false);
|
||||
}
|
||||
|
||||
protected Class<?> getClassByName(String classname, String base, String mapping, boolean nofail) {
|
||||
String n = classname;
|
||||
int idx = classname.indexOf(base);
|
||||
if(idx >= 0) {
|
||||
n = classname.substring(0, idx) + mapping + classname.substring(idx + base.length());
|
||||
}
|
||||
try {
|
||||
return Class.forName(n);
|
||||
} catch (ClassNotFoundException cnfx) {
|
||||
try {
|
||||
return Class.forName(classname);
|
||||
} catch (ClassNotFoundException cnfx2) {
|
||||
if(!nofail) {
|
||||
Log.severe("Cannot find " + classname);
|
||||
failed = true;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Get field
|
||||
*/
|
||||
protected Field getField(Class<?> cls, String[] ids, Class<?> type) {
|
||||
return getField(cls, ids, type, false);
|
||||
}
|
||||
protected Field getFieldNoFail(Class<?> cls, String[] ids, Class<?> type) {
|
||||
return getField(cls, ids, type, true);
|
||||
}
|
||||
/**
|
||||
* Get field
|
||||
*/
|
||||
private Field getField(Class<?> cls, String[] ids, Class<?> type, boolean nofail) {
|
||||
if((cls == null) || (type == null)) return null;
|
||||
for(String id : ids) {
|
||||
try {
|
||||
Field f = cls.getField(id);
|
||||
if(f.getType().isAssignableFrom(type)) {
|
||||
return f;
|
||||
}
|
||||
} catch (NoSuchFieldException nsfx) {
|
||||
}
|
||||
}
|
||||
if(!nofail) {
|
||||
Log.severe("Unable to find field " + ids[0] + " for " + cls.getName());
|
||||
failed = true;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
/**
|
||||
* Get private field
|
||||
*/
|
||||
private Field getPrivateField(Class<?> cls, String[] ids, Class<?> type) {
|
||||
if((cls == null) || (type == null)) return null;
|
||||
for(String id : ids) {
|
||||
try {
|
||||
Field f = cls.getDeclaredField(id);
|
||||
if(f.getType().isAssignableFrom(type)) {
|
||||
f.setAccessible(true);
|
||||
return f;
|
||||
}
|
||||
} catch (NoSuchFieldException nsfx) {
|
||||
}
|
||||
}
|
||||
Log.severe("Unable to find field " + ids[0] + " for " + cls.getName());
|
||||
failed = true;
|
||||
return null;
|
||||
}
|
||||
private Object getFieldValue(Object obj, Field field, Object def) {
|
||||
if((obj != null) && (field != null)) {
|
||||
try {
|
||||
return field.get(obj);
|
||||
} catch (IllegalArgumentException e) {
|
||||
} catch (IllegalAccessException e) {
|
||||
}
|
||||
}
|
||||
return def;
|
||||
}
|
||||
/**
|
||||
* Get method
|
||||
*/
|
||||
protected Method getMethod(Class<?> cls, String[] ids, Class[] args) {
|
||||
if(cls == null) return null;
|
||||
for(String id : ids) {
|
||||
try {
|
||||
return cls.getMethod(id, args);
|
||||
} catch (SecurityException e) {
|
||||
} catch (NoSuchMethodException e) {
|
||||
}
|
||||
}
|
||||
Log.severe("Unable to find method " + ids[0] + " for " + cls.getName());
|
||||
failed = true;
|
||||
return null;
|
||||
}
|
||||
private Object callMethod(Object obj, Method meth, Object[] args, Object def) {
|
||||
if((obj == null) || (meth == null)) {
|
||||
return def;
|
||||
}
|
||||
try {
|
||||
return meth.invoke(obj, args);
|
||||
} catch (IllegalArgumentException iax) {
|
||||
} catch (IllegalAccessException e) {
|
||||
} catch (InvocationTargetException e) {
|
||||
}
|
||||
return def;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Get list of defined biomebase objects
|
||||
*/
|
||||
public Object[] getBiomeBaseList() {
|
||||
return (Object[]) getFieldValue(biomebase, biomebaselist, new Object[0]);
|
||||
}
|
||||
/** Get temperature from biomebase */
|
||||
public float getBiomeBaseTemperature(Object bb) {
|
||||
return (Float) getFieldValue(bb, biomebasetemp, 0.5F);
|
||||
}
|
||||
/** Get humidity from biomebase */
|
||||
public float getBiomeBaseHumidity(Object bb) {
|
||||
return (Float) getFieldValue(bb, biomebasehumi, 0.5F);
|
||||
}
|
||||
/** Get ID string from biomebase */
|
||||
public String getBiomeBaseIDString(Object bb) {
|
||||
return (String) getFieldValue(bb, biomebaseidstring, null);
|
||||
}
|
||||
/** Get ID from biomebase */
|
||||
public int getBiomeBaseID(Object bb) {
|
||||
return (Integer) getFieldValue(bb, biomebaseid, -1);
|
||||
}
|
||||
|
||||
/* Get net.minecraft.server.world for given world */
|
||||
public Object getNMSWorld(World w) {
|
||||
return callMethod(w, cw_gethandle, nullargs, null);
|
||||
}
|
||||
|
||||
/* Get unload queue for given NMS world */
|
||||
public Object getUnloadQueue(Object nmsworld) {
|
||||
Object cps = getFieldValue(nmsworld, nmsw_chunkproviderserver, null); // Get chunkproviderserver
|
||||
if(cps != null) {
|
||||
return getFieldValue(cps, cps_unloadqueue, null);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/* For testing unload queue for presence of givne chunk */
|
||||
public boolean isInUnloadQueue(Object unloadqueue, int x, int z) {
|
||||
if(unloadqueue != null) {
|
||||
return (Boolean)callMethod(unloadqueue, lhs_containskey, new Object[] { x, z }, true);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
public Object[] getBiomeBaseFromSnapshot(ChunkSnapshot css) {
|
||||
return (Object[])getFieldValue(css, ccss_biome, null);
|
||||
}
|
||||
public boolean isCraftChunkSnapshot(ChunkSnapshot css) {
|
||||
if(craftchunksnapshot != null) {
|
||||
return craftchunksnapshot.isAssignableFrom(css.getClass());
|
||||
}
|
||||
return false;
|
||||
}
|
||||
/** Remove entities from given chunk */
|
||||
public void removeEntitiesFromChunk(Chunk c) {
|
||||
Object omsc = callMethod(c, cc_gethandle, nullargs, null);
|
||||
if(omsc != null) {
|
||||
callMethod(omsc, nmsc_removeentities, nullargs, null);
|
||||
}
|
||||
}
|
||||
/** Get tile entities map from chunk */
|
||||
public Map getTileEntitiesForChunk(Chunk c) {
|
||||
Object omsc = callMethod(c, cc_gethandle, nullargs, null);
|
||||
if(omsc != null) {
|
||||
return (Map)getFieldValue(omsc, nmsc_tileentities, nullmap);
|
||||
}
|
||||
return nullmap;
|
||||
}
|
||||
/**
|
||||
* Get X coordinate of tile entity
|
||||
*/
|
||||
public int getTileEntityX(Object te) {
|
||||
return (Integer)getFieldValue(te, nmst_x, 0);
|
||||
}
|
||||
/**
|
||||
* Get Y coordinate of tile entity
|
||||
*/
|
||||
public int getTileEntityY(Object te) {
|
||||
return (Integer)getFieldValue(te, nmst_y, 0);
|
||||
}
|
||||
/**
|
||||
* Get Z coordinate of tile entity
|
||||
*/
|
||||
public int getTileEntityZ(Object te) {
|
||||
return (Integer)getFieldValue(te, nmst_z, 0);
|
||||
}
|
||||
/**
|
||||
* Read tile entity NBT
|
||||
*/
|
||||
public Object readTileEntityNBT(Object te) {
|
||||
if(nbttagcompound == null) return null;
|
||||
Object nbt = null;
|
||||
try {
|
||||
nbt = nbttagcompound.newInstance();
|
||||
} catch (InstantiationException e) {
|
||||
} catch (IllegalAccessException e) {
|
||||
}
|
||||
if(nbt != null) {
|
||||
callMethod(te, nmst_readnbt, new Object[] { nbt }, null);
|
||||
}
|
||||
return nbt;
|
||||
}
|
||||
/**
|
||||
* Get field value from NBT compound
|
||||
*/
|
||||
public Object getFieldValue(Object nbt, String field) {
|
||||
Object val = callMethod(nbt, compound_get, new Object[] { field }, null);
|
||||
if(val == null) return null;
|
||||
Class<?> valcls = val.getClass();
|
||||
if(valcls.equals(nbttagbyte)) {
|
||||
return getFieldValue(val, nbttagbyte_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagshort)) {
|
||||
return getFieldValue(val, nbttagshort_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagint)) {
|
||||
return getFieldValue(val, nbttagint_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttaglong)) {
|
||||
return getFieldValue(val, nbttaglong_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagfloat)) {
|
||||
return getFieldValue(val, nbttagfloat_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagdouble)) {
|
||||
return getFieldValue(val, nbttagdouble_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagbytearray)) {
|
||||
return getFieldValue(val, nbttagbytearray_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagstring)) {
|
||||
return getFieldValue(val, nbttagstring_val, null);
|
||||
}
|
||||
else if(valcls.equals(nbttagintarray)) {
|
||||
return getFieldValue(val, nbttagintarray_val, null);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
81
src/main/java/org/dynmap/bukkit/BukkitVersionHelperMCPC.java
Normal file
81
src/main/java/org/dynmap/bukkit/BukkitVersionHelperMCPC.java
Normal file
@ -0,0 +1,81 @@
|
||||
package org.dynmap.bukkit;
|
||||
|
||||
import java.lang.reflect.Field;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.lang.reflect.Method;
|
||||
import java.util.Collections;
|
||||
import java.util.Map;
|
||||
import org.bukkit.Bukkit;
|
||||
import org.bukkit.Chunk;
|
||||
import org.bukkit.ChunkSnapshot;
|
||||
import org.bukkit.Server;
|
||||
import org.bukkit.World;
|
||||
import org.dynmap.Log;
|
||||
|
||||
/**
|
||||
* Helper for isolation of bukkit version specific issues
|
||||
*/
|
||||
public class BukkitVersionHelperMCPC extends BukkitVersionHelperGeneric {
|
||||
BukkitVersionHelperMCPC() {
|
||||
}
|
||||
@Override
|
||||
protected String getNMSPackage() {
|
||||
return "";
|
||||
}
|
||||
@Override
|
||||
protected void loadNMS() {
|
||||
/* biomebase */
|
||||
biomebase = getNMSClass("yy");
|
||||
biomebasearray = getNMSClass("[Lyy;");
|
||||
/* world */
|
||||
nmsworld = getNMSClass("in");
|
||||
/* chunk */
|
||||
chunkprovserver = getNMSClass("im");
|
||||
nmschunk = getNMSClass("zz");
|
||||
/* nbt */
|
||||
nbttagcompound = getNMSClass("bq");
|
||||
nbttagbyte = getNMSClass("bp");
|
||||
nbttagshort = getNMSClass("cb");
|
||||
nbttagint = getNMSClass("bx");
|
||||
nbttaglong = getNMSClass("bz");
|
||||
nbttagfloat = getNMSClass("bv");
|
||||
nbttagdouble = getNMSClass("bt");
|
||||
nbttagbytearray = getNMSClass("bo");
|
||||
nbttagstring = getNMSClass("cc");
|
||||
nbttagintarray = getNMSClass("bw");
|
||||
/* tileentity */
|
||||
nms_tileentity = getNMSClass("any");
|
||||
|
||||
/** Set up NMS fields **/
|
||||
/* biomebase */
|
||||
biomebaselist = getField(biomebase, new String[] { "a" }, biomebasearray);
|
||||
biomebasetemp = getField(biomebase, new String[] { "F" }, float.class);
|
||||
biomebasehumi = getField(biomebase, new String[] { "G" }, float.class);
|
||||
biomebaseidstring = getField(biomebase, new String[] { "y" }, String.class);
|
||||
biomebaseid = getField(biomebase, new String[] { "N" }, int.class);
|
||||
/* chunk */
|
||||
nmsw_chunkproviderserver = getField(nmsworld, new String[] { "b" }, chunkprovserver);
|
||||
cps_unloadqueue = getFieldNoFail(chunkprovserver, new String[] { "b" }, longhashset);
|
||||
if(cps_unloadqueue == null) {
|
||||
Log.info("Unload queue not found - default to unload all chunks");
|
||||
}
|
||||
nmsc_removeentities = getMethod(nmschunk, new String[] { "d" }, new Class[0]);
|
||||
nmsc_tileentities = getField(nmschunk, new String[] { "i" }, Map.class);
|
||||
/* nbt */
|
||||
compound_get = getMethod(nbttagcompound, new String[] { "a" }, new Class[] { String.class });
|
||||
nbttagbyte_val = getField(nbttagbyte, new String[] { "a" }, byte.class);
|
||||
nbttagshort_val = getField(nbttagshort, new String[] { "a" }, short.class);
|
||||
nbttagint_val = getField(nbttagint, new String[] { "a" }, int.class);
|
||||
nbttaglong_val = getField(nbttaglong, new String[] { "a" }, long.class);
|
||||
nbttagfloat_val = getField(nbttagfloat, new String[] { "a" }, float.class);
|
||||
nbttagdouble_val = getField(nbttagdouble, new String[] { "a" }, double.class);
|
||||
nbttagbytearray_val = getField(nbttagbytearray, new String[] { "a" }, byte[].class);
|
||||
nbttagstring_val = getField(nbttagstring, new String[] { "a" }, String.class);
|
||||
nbttagintarray_val = getField(nbttagintarray, new String[] { "a" }, int[].class);
|
||||
/* tileentity */
|
||||
nmst_readnbt = getMethod(nms_tileentity, new String[] { "b" }, new Class[] { nbttagcompound });
|
||||
nmst_x = getField(nms_tileentity, new String[] { "l" }, int.class);
|
||||
nmst_y = getField(nms_tileentity, new String[] { "m" }, int.class);
|
||||
nmst_z = getField(nms_tileentity, new String[] { "n" }, int.class);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user