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Update to fix Glowstone support
More Glowstone fixes
2026-03-30 11:08:39 -07:00 · 2014-10-12 17:32:38 -05:00 · 2014-09-13 21:17:37 -05:00 · 2014-09-06 22:25:56 -05:00 · 2014-09-06 19:19:20 -05:00 · 2014-08-22 23:48:12 -05:00
39 changed files with 6533 additions and 3176 deletions
@@ -0,0 +1,56 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>us.dynmap</groupId>
+	<artifactId>DynmapBukkitBase</artifactId>
+	<name>DynmapBukkitBase</name>
+	<url>http://github.com/webbukkit/dynmap/</url>
+	<issueManagement>
+		<system>GitHub</system>
+		<url>https://github.com/webbukkit/dynmap/issues</url>
+	</issueManagement>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>2.0.2</version>
+				<configuration>
+					<source>1.6</source>
+					<target>1.6</target>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+	<repositories>
+		<repository>
+			<releases>
+			</releases>
+			<snapshots>
+			</snapshots>
+			<id>bukkit-repo</id>
+			<url>http://repo.bukkit.org/content/repositories/releases/</url>
+		</repository>
+		<repository>
+			<releases>
+			</releases>
+			<snapshots>
+			</snapshots>
+			<id>dynmap-repo</id>
+			<url>http://repo.mikeprimm.com/</url>
+		</repository>
+	</repositories>
+	<version>2.0.0-SNAPSHOT</version>
+	<dependencies>
+		<dependency>
+			<groupId>org.bukkit</groupId>
+			<artifactId>Bukkit</artifactId>
+			<version>1.7.10-R0.1-SNAPSHOT</version>
+		</dependency>
+		<dependency>
+			<groupId>us.dynmap</groupId>
+			<artifactId>DynmapCore</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+	</dependencies>
+</project>
@@ -0,0 +1,142 @@
+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.bukkit.entity.Player;
+import org.dynmap.Log;
+
+/**
+ * Helper for isolation of bukkit version specific issues
+ */
+public abstract class BukkitVersionHelper {
+
+    private static BukkitVersionHelper helper = null;
+    
+    public static final BukkitVersionHelper getHelper() {
+        if(helper == null) {
+            Log.info("version=" + Bukkit.getServer().getVersion());
+            if(Bukkit.getServer().getVersion().contains("MCPC")) {
+                Log.severe("*********************************************************************************");
+                Log.severe("* MCPC-Plus is no longer supported via the Bukkit version of Dynmap.            *");
+                Log.severe("* Install the appropriate Forge version of Dynmap.                              *");
+                Log.severe("* Add the DynmapCBBridge plugin to enable support for Dynmap-compatible plugins *");
+                Log.severe("*********************************************************************************");
+            }
+            else if(Bukkit.getServer().getVersion().contains("BukkitForge")) {
+                Log.severe("*********************************************************************************");
+                Log.severe("* BukkitForge is not supported via the Bukkit version of Dynmap.                *");
+                Log.severe("* Install the appropriate Forge version of Dynmap.                              *"); 
+                Log.severe("* Add the DynmapCBBridge plugin to enable support for Dynmap-compatible plugins *");
+                Log.severe("*********************************************************************************");
+            }
+            else if(Bukkit.getServer().getClass().getName().contains("GlowServer")) {
+                Log.info("Loading Glowstone support");
+                helper = new BukkitVersionHelperGlowstone();
+            }
+            else {
+                helper = new BukkitVersionHelperCB();
+            }
+        }
+        return helper;
+    }
+    protected BukkitVersionHelper() {
+        
+    }
+    /**
+     * Get list of defined biomebase objects
+     */
+    public abstract Object[] getBiomeBaseList();
+    /** 
+     * Get temperature from biomebase
+     */
+    public abstract float getBiomeBaseTemperature(Object bb);
+    /** 
+     * Get humidity from biomebase
+     */
+    public abstract float getBiomeBaseHumidity(Object bb);
+    /**
+     * Get ID string from biomebase
+     */
+    public abstract String getBiomeBaseIDString(Object bb);
+    /** 
+     * Get ID from biomebase
+     */
+    public abstract int getBiomeBaseID(Object bb);
+    /**
+     *  Get unload queue for given NMS world
+     */
+    public abstract Object getUnloadQueue(World world);
+    /**
+     *  For testing unload queue for presence of givne chunk
+     */
+    public abstract boolean isInUnloadQueue(Object unloadqueue, int x, int z);
+    /**
+     * Read raw biome ID from snapshot
+     */
+    public abstract Object[] getBiomeBaseFromSnapshot(ChunkSnapshot css);
+    /** 
+     * Remove entities from given chunk
+     */
+    public abstract void removeEntitiesFromChunk(Chunk c);
+    /**
+     * Get inhabited ticks count from chunk
+     */
+    public abstract long getInhabitedTicks(Chunk c);
+    /** 
+     * Get tile entities map from chunk
+     */
+    public abstract Map getTileEntitiesForChunk(Chunk c);
+    /**
+     * Get X coordinate of tile entity
+     */
+    public abstract int getTileEntityX(Object te);
+    /**
+     * Get Y coordinate of tile entity
+     */
+    public abstract int getTileEntityY(Object te);
+    /**
+     * Get Z coordinate of tile entity
+     */
+    public abstract int getTileEntityZ(Object te);
+    /**
+     * Read tile entity NBT
+     */
+    public abstract Object readTileEntityNBT(Object te);
+    /**
+     * Get field value from NBT compound
+     */
+    public abstract Object getFieldValue(Object nbt, String field);
+    /**
+     * Unload chunk no save needed
+     */
+    public abstract void unloadChunkNoSave(World w, Chunk c, int cx, int cz);
+    /**
+     * Get block short name list
+     */
+    public abstract String[] getBlockShortNames();
+    /**
+     * Get biome name list
+     */
+    public abstract String[] getBiomeNames();
+    /**
+     * Get block material index list
+     */
+    public abstract int[] getBlockMaterialMap();
+    /**
+     * Get list of online players
+     */
+    public abstract Player[] getOnlinePlayers();
+    /**
+     * Get player health
+     */
+    public abstract int getHealth(Player p);
+}
@@ -0,0 +1,222 @@
+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];
+    }
+}
@@ -0,0 +1,429 @@
+package org.dynmap.bukkit;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.Collection;
+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.bukkit.entity.Player;
+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;
+    protected Field nmsc_inhabitedticks;
+    /** 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;
+    /** Server */
+    protected Method server_getonlineplayers;
+    /** Player */
+    protected Method player_gethealth;
+
+    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]);
+        /* 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]);
+        
+        /** Server */
+        server_getonlineplayers = getMethod(Server.class, new String[] { "getOnlinePlayers" }, new Class[0]);
+        /** Player */
+        player_gethealth = getMethod(Player.class, new String[] { "getHealth" }, 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
+     */
+    protected 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;
+    }
+    protected 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 */
+    protected Object getNMSWorld(World w) {
+        return callMethod(w, cw_gethandle, nullargs, null);
+    }
+
+    /* Get unload queue for given NMS world */
+    public Object getUnloadQueue(World world) {
+        Object cps = getFieldValue(getNMSWorld(world), 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 inhabited ticks count from chunk
+     */
+    private static final Long zero = new Long(0);
+    public long getInhabitedTicks(Chunk c) {
+        if (nmsc_inhabitedticks == null) {
+            return 0;
+        }
+        Object omsc = callMethod(c, cc_gethandle, nullargs, null);
+        if(omsc != null) {
+            return (Long)getFieldValue(omsc, nmsc_inhabitedticks, zero);
+        }
+        return 0;
+    }
+
+    /** 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;
+    }
+    /**
+     * Get list of online players
+     */
+    public Player[] getOnlinePlayers() {
+        Object players = callMethod(Bukkit.getServer(), server_getonlineplayers, nullargs, null);
+        if (players instanceof Player[]) {  /* Pre 1.7.10 */
+            return (Player[]) players;
+        }
+        else {
+            @SuppressWarnings("unchecked")
+            Collection<? extends Player> p = (Collection<? extends Player>) players;
+            return p.toArray(new Player[0]);
+        }
+    }
+    /**
+     * Get player health
+     */
+    public int getHealth(Player p) {
+        Object health = callMethod(p, player_gethealth, nullargs, null);
+        if (health instanceof Integer) {
+            return (Integer) health;
+        }
+        else {
+            return ((Double) health).intValue();
+        }
+    }
+
+}
@@ -0,0 +1,451 @@
+package org.dynmap.bukkit;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Collection;
+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.bukkit.entity.Player;
+
+public class BukkitVersionHelperGlowstone extends BukkitVersionHelper {
+    private Method rawbiome;
+    private Method server_getonlineplayers;
+    
+    public BukkitVersionHelperGlowstone() {
+        try {
+            Class<?> c = Class.forName("net.glowstone.GlowChunkSnapshot");
+            rawbiome = c.getMethod("getRawBiomes", new Class[0]);
+
+            /** Server */
+            server_getonlineplayers = Server.class.getMethod("getOnlinePlayers", new Class[0]);
+        } catch (SecurityException e) {
+        } catch (NoSuchMethodException e) {
+        } catch (ClassNotFoundException e) {
+        }
+        if ((rawbiome == null) && (server_getonlineplayers == null)) {
+            throw new IllegalArgumentException("Error initializing dynmap - Glowstone version incompatible!");
+        }
+    }
+    
+    @Override
+    public Object[] getBiomeBaseList() {
+        return new Object[0];
+    }
+
+    @Override
+    public float getBiomeBaseTemperature(Object bb) {
+        return 0;
+    }
+
+    @Override
+    public float getBiomeBaseHumidity(Object bb) {
+        return 0;
+    }
+
+    @Override
+    public String getBiomeBaseIDString(Object bb) {
+        return "";
+    }
+
+    @Override
+    public int getBiomeBaseID(Object bb) {
+        if (bb != null) 
+            return (Integer) bb;
+        else
+            return 0;
+    }
+
+    @Override
+    public Object getUnloadQueue(World world) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean isInUnloadQueue(Object unloadqueue, int x, int z) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public Object[] getBiomeBaseFromSnapshot(ChunkSnapshot css) {
+        Integer b[] = new Integer[256];
+        byte[] rb = null;
+        try {
+            rb = (byte[]) rawbiome.invoke(css, new Object[0]);
+        } catch (IllegalArgumentException e) {
+        } catch (IllegalAccessException e) {
+        } catch (InvocationTargetException e) {
+        }
+        if (rb != null) {
+            for (int i = 0; i < 256; i++) {
+                b[i] = Integer.valueOf(255 & (int)rb[i]);
+            }
+        }
+        return b;
+    }
+
+    @Override
+    public void removeEntitiesFromChunk(Chunk c) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public long getInhabitedTicks(Chunk c) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public Map getTileEntitiesForChunk(Chunk c) {
+        // TODO Auto-generated method stub
+        return Collections.emptyMap();
+    }
+
+    @Override
+    public int getTileEntityX(Object te) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getTileEntityY(Object te) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getTileEntityZ(Object te) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public Object readTileEntityNBT(Object te) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Object getFieldValue(Object nbt, String field) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public void unloadChunkNoSave(World w, Chunk c, int cx, int cz) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public String[] getBlockShortNames() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    private static final String[] bnames = {
+       "Ocean",
+       "Plains",
+       "Desert",
+       "Extreme Hills",
+       "Forest",
+       "Taiga",
+       "Swampland",
+       "River",
+       "Hell",
+       "Sky",
+       "FrozenOcean",
+       "FrozenRiver",
+       "Ice Plains",
+       "Ice Mountains",
+       "MushroomIsland",
+       "MushroomIslandShore",
+       "Beach",
+       "DesertHills",
+       "ForestHills",
+       "TaigaHills",
+       "Extreme Hills Edge",
+       "Jungle",
+       "JungleHills",
+       "JungleEdge",
+       "Deep Ocean",
+       "Stone Beach",
+       "Cold Beach",
+       "Birch Forest",
+       "Birch Forest Hills",
+       "Roofed Forest",
+       "Cold Taiga",
+       "Cold Taiga Hills",
+       "Mega Taiga",
+       "Mega Taiga Hills",
+       "Extreme Hills+",
+       "Savanna",
+       "Savanna Plateau",
+       "Mesa",
+       "Mesa Plateau F",
+       "Mesa Plateau",
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       "Sunflower Plains",
+       "Desert M",
+       "Extreme Hills M",
+       "Flower Forest",
+       "Taiga M",
+       "Swampland M",
+       null,
+       null,
+       null,
+       null,
+       null,
+       "Ice Plains Spikes",
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       "Jungle M",
+       null,
+       "JungleEdge M",
+       null,
+       null,
+       null,
+       "Birch Forest M",
+       "Birch Forest Hills M",
+       "Roofed Forest M",
+       "Cold Taiga M",
+       null,
+       "Mega Spruce Taiga",
+       "Mega Spruce Taiga",
+       "Extreme Hills+ M",
+       "Savanna M",
+       "Savanna Plateau M",
+       "Mesa (Bryce)",
+       "Mesa Plateau F M",
+       "Mesa Plateau M",
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null,
+       null
+    };
+
+    @Override
+    public String[] getBiomeNames() {
+        return bnames;
+    }
+
+    @Override
+    public int[] getBlockMaterialMap() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    /**
+     * Get list of online players
+     */
+    public Player[] getOnlinePlayers() {
+        Object players;
+        try {
+            players = server_getonlineplayers.invoke(Bukkit.getServer(), new Object[0]);
+            if (players instanceof Player[]) {  /* Pre 1.7.10 */
+                return (Player[]) players;
+            }
+            else {
+                @SuppressWarnings("unchecked")
+                Collection<? extends Player> p = (Collection<? extends Player>) players;
+                return p.toArray(new Player[0]);
+            }
+        } catch (IllegalArgumentException e) {
+        } catch (IllegalAccessException e) {
+        } catch (InvocationTargetException e) {
+        }
+        return new Player[0];
+    }
+
+    @Override
+    public int getHealth(Player p) {
+        return (int) p.getHealth();
+    }
+
+}
@@ -0,0 +1,237 @@
+package org.dynmap.bukkit;
+/**
+ * Bukkit specific implementation of DynmapWorld
+ */
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.util.Arrays;
+import java.util.List;
+
+import org.bukkit.Chunk;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.permissions.Permission;
+import org.bukkit.permissions.PermissionDefault;
+import org.dynmap.DynmapChunk;
+import org.dynmap.DynmapLocation;
+import org.dynmap.DynmapWorld;
+import org.dynmap.utils.MapChunkCache;
+import org.dynmap.utils.TileFlags;
+
+public class BukkitWorld extends DynmapWorld {
+    private World world;
+    private World.Environment env;
+    private boolean skylight;
+    private DynmapLocation spawnloc = new DynmapLocation();
+    
+    public BukkitWorld(World w) {
+        this(w.getName(), w.getMaxHeight(), w.getSeaLevel(), w.getEnvironment());
+        setWorldLoaded(w);
+        new Permission("dynmap.world." + getName(), "Dynmap access for world " + getName(), PermissionDefault.OP);
+    }
+    public BukkitWorld(String name, int height, int sealevel, World.Environment env) {
+        super(name, height, sealevel);
+        world = null;
+        this.env = env;
+        skylight = (env == World.Environment.NORMAL);
+        new Permission("dynmap.world." + getName(), "Dynmap access for world " + getName(), PermissionDefault.OP);
+        // Generate non-default environment lighting table
+        switch (env) {
+            case NETHER:
+                {
+                    float f = 0.1F;
+                    for (int i = 0; i <= 15; ++i) {
+                        float f1 = 1.0F - (float)i / 15.0F;
+                        this.setBrightnessTableEntry(i,  (1.0F - f1) / (f1 * 3.0F + 1.0F) * (1.0F - f) + f);
+                    }
+                }
+                break;
+            default:
+                break;
+        }
+    }
+    /**
+     * Set world online
+     * @param w - loaded world
+     */
+    public void setWorldLoaded(World w) {
+        world = w;
+        env = world.getEnvironment();
+        skylight = (env == World.Environment.NORMAL);
+    }
+    /**
+     * Set world unloaded
+     */
+    @Override
+    public void setWorldUnloaded() {
+        getSpawnLocation(); /* Remember spawn location before unload */
+        world = null;
+    }
+    /* Test if world is nether */
+    @Override
+    public boolean isNether() {
+        return env == World.Environment.NETHER;
+    }
+    /* Get world spawn location */
+    @Override
+    public DynmapLocation getSpawnLocation() {
+        if(world != null) {
+            Location sloc = world.getSpawnLocation();
+            spawnloc.x = sloc.getBlockX();
+            spawnloc.y = sloc.getBlockY();
+            spawnloc.z = sloc.getBlockZ(); 
+            spawnloc.world = normalizeWorldName(sloc.getWorld().getName());
+        }
+        return spawnloc;
+    }
+    /* Get world time */
+    @Override
+    public long getTime() {
+        if(world != null) {
+            return world.getTime();
+        }
+        else {
+            return -1;
+        }
+    }
+    /* World is storming */
+    @Override
+    public boolean hasStorm() {
+        if(world != null) {
+            return world.hasStorm();
+        }
+        else {
+            return false;
+        }
+    }
+    /* World is thundering */
+    @Override
+    public boolean isThundering() {
+        if(world != null) {
+            return world.isThundering();
+        }
+        else {
+            return false;
+        }
+    }
+    /* World is loaded */
+    @Override
+    public boolean isLoaded() {
+        return (world != null);
+    }
+    /* Get light level of block */
+    @Override
+    public int getLightLevel(int x, int y, int z) {
+        if(world != null) {
+            return world.getBlockAt(x, y, z).getLightLevel();
+        }
+        else {
+            return -1;
+        }
+    }
+    /* Get highest Y coord of given location */
+    @Override
+    public int getHighestBlockYAt(int x, int z) {
+        if(world != null) {
+            return world.getHighestBlockYAt(x, z);
+        }
+        else {
+            return -1;
+        }
+    }
+    /* Test if sky light level is requestable */
+    @Override
+    public boolean canGetSkyLightLevel() {
+        return skylight && (world != null);
+    }
+    /* Return sky light level */
+    @Override
+    public int getSkyLightLevel(int x, int y, int z) {
+        if(world != null) {
+            return world.getBlockAt(x, y, z).getLightFromSky();
+        }
+        else {
+            return -1;
+        }
+    }
+    /**
+     * Get world environment ID (lower case - normal, the_end, nether)
+     */
+    @Override
+    public String getEnvironment() {
+        return env.name().toLowerCase();
+    }
+    /**
+     * Get map chunk cache for world
+     */
+    @Override
+    public MapChunkCache getChunkCache(List<DynmapChunk> chunks) {
+        if(isLoaded()) {
+            LegacyMapChunkCache c = new LegacyMapChunkCache();
+            c.setChunks(this, chunks);
+            return c;
+        }
+        else {
+            return null;
+        }
+    }
+    
+    public World getWorld() {
+        return world;
+    }
+    
+    // Return false if unimplemented
+    @Override
+    public int getChunkMap(TileFlags map) {
+        map.clear();
+        if (world == null) return -1;
+        int cnt = 0;
+        // Mark loaded chunks
+        for(Chunk c : world.getLoadedChunks()) {
+            map.setFlag(c.getX(), c.getZ(), true);
+            cnt++;
+        }
+        File f = world.getWorldFolder();
+        File regiondir = new File(f, "region");
+        File[] lst = regiondir.listFiles();
+        if(lst != null) {
+            byte[] hdr = new byte[4096];
+            for(File rf : lst) {
+                if(!rf.getName().endsWith(".mca")) {
+                    continue;
+                }
+                String[] parts = rf.getName().split("\\.");
+                if((!parts[0].equals("r")) && (parts.length != 4)) continue;
+                
+                RandomAccessFile rfile = null;
+                int x = 0, z = 0;
+                try {
+                    x = Integer.parseInt(parts[1]);
+                    z = Integer.parseInt(parts[2]);
+                    rfile = new RandomAccessFile(rf, "r");
+                    rfile.read(hdr, 0, hdr.length);
+                } catch (IOException iox) {
+                    Arrays.fill(hdr,  (byte)0);
+                } catch (NumberFormatException nfx) {
+                    Arrays.fill(hdr,  (byte)0);
+                } finally {
+                    if(rfile != null) {
+                        try { rfile.close(); } catch (IOException iox) {}
+                    }
+                }
+                for (int i = 0; i < 1024; i++) {
+                    int v = hdr[4*i] | hdr[4*i + 1] | hdr[4*i + 2] | hdr[4*i + 3];
+                    if (v == 0) continue;
+                    int xx = (x << 5) | (i & 0x1F);
+                    int zz = (z << 5) | ((i >> 5) & 0x1F);
+                    if (!map.setFlag(xx, zz, true)) {
+                        cnt++;
+                    }
+                }
+            }
+        }
+        return cnt;
+    }
+
+}
@@ -0,0 +1,225 @@
+package org.dynmap.bukkit;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Map;
+
+import org.bukkit.World;
+import org.bukkit.Chunk;
+import org.bukkit.block.Biome;
+import org.bukkit.ChunkSnapshot;
+import org.dynmap.DynmapChunk;
+import org.dynmap.DynmapCore;
+import org.dynmap.DynmapWorld;
+import org.dynmap.Log;
+import org.dynmap.bukkit.SnapshotCache.SnapshotRec;
+import org.dynmap.common.BiomeMap;
+import org.dynmap.hdmap.HDBlockModels;
+import org.dynmap.renderer.RenderPatchFactory;
+import org.dynmap.utils.DynIntHashMap;
+import org.dynmap.utils.MapChunkCache;
+import org.dynmap.utils.MapIterator;
+import org.dynmap.utils.BlockStep;
+import org.dynmap.utils.VisibilityLimit;
+
+/**
+ * Container for managing chunks - dependent upon using chunk snapshots, since rendering is off server thread
+ */
+public class LegacyMapChunkCache extends BaseMapChunkCache {
+    @Override
+    public int loadChunks(int max_to_load) {
+        if(dw.isLoaded() == false)
+            return 0;
+        Object queue = helper.getUnloadQueue(w);
+        
+        int cnt = 0;
+        if(iterator == null)
+            iterator = chunks.listIterator();
+
+        DynmapCore.setIgnoreChunkLoads(true);
+        //boolean isnormral = w.getEnvironment() == Environment.NORMAL;
+        // Load the required chunks.
+        while((cnt < max_to_load) && iterator.hasNext()) {
+            long startTime = System.nanoTime();
+            DynmapChunk chunk = iterator.next();
+            boolean vis = true;
+            if(visible_limits != null) {
+                vis = false;
+                for(VisibilityLimit limit : visible_limits) {
+                    if (limit.doIntersectChunk(chunk.x, chunk.z)) {
+                        vis = true;
+                        break;
+                    }
+                }
+            }
+            if(vis && (hidden_limits != null)) {
+                for(VisibilityLimit limit : hidden_limits) {
+                    if (limit.doIntersectChunk(chunk.x, chunk.z)) {
+                        vis = false;
+                        break;
+                    }
+                }
+            }
+            /* Check if cached chunk snapshot found */
+            ChunkSnapshot ss = null;
+            long inhabited_ticks = 0;
+            DynIntHashMap tileData = null;
+            SnapshotRec ssr = SnapshotCache.cache.getSnapshot(dw.getName(), chunk.x, chunk.z, blockdata, biome, biomeraw, highesty); 
+            if(ssr != null) {
+                ss = ssr.ss;
+                inhabited_ticks = ssr.inhabitedTicks;
+                if(!vis) {
+                    if(hidestyle == HiddenChunkStyle.FILL_STONE_PLAIN)
+                        ss = STONE;
+                    else if(hidestyle == HiddenChunkStyle.FILL_OCEAN)
+                        ss = OCEAN;
+                    else
+                        ss = EMPTY;
+                }
+                int idx = (chunk.x-x_min) + (chunk.z - z_min)*x_dim;
+                snaparray[idx] = ss;
+                snaptile[idx] = ssr.tileData;
+                inhabitedTicks[idx] = inhabited_ticks;
+                
+                endChunkLoad(startTime, ChunkStats.CACHED_SNAPSHOT_HIT);
+                continue;
+            }
+            boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z);
+            boolean didload = false;
+            boolean isunloadpending = false;
+            if (queue != null) {
+                isunloadpending = helper.isInUnloadQueue(queue, chunk.x, chunk.z);
+            }
+            if (isunloadpending) {  /* Workaround: can't be pending if not loaded */
+                wasLoaded = true;
+            }
+            try {
+                didload = w.loadChunk(chunk.x, chunk.z, false);
+            } catch (Throwable t) { /* Catch chunk error from Bukkit */
+                Log.warning("Bukkit error loading chunk " + chunk.x + "," + chunk.z + " on " + w.getName());
+                if(!wasLoaded) {    /* If wasn't loaded, we loaded it if it now is */
+                    didload = w.isChunkLoaded(chunk.x, chunk.z);
+                }
+            }
+            /* If it did load, make cache of it */
+            if(didload) {
+                tileData = new DynIntHashMap();
+
+                Chunk c = w.getChunkAt(chunk.x, chunk.z);   /* Get the chunk */
+                /* Get inhabited ticks count */
+                inhabited_ticks = helper.getInhabitedTicks(c);
+                if(!vis) {
+                    if(hidestyle == HiddenChunkStyle.FILL_STONE_PLAIN)
+                        ss = STONE;
+                    else if(hidestyle == HiddenChunkStyle.FILL_OCEAN)
+                        ss = OCEAN;
+                    else
+                        ss = EMPTY;
+                }
+                else {
+                    if(blockdata || highesty) {
+                        ss = c.getChunkSnapshot(highesty, biome, biomeraw);
+                        /* Get tile entity data */
+                        List<Object> vals = new ArrayList<Object>();
+                        Map<?,?> tileents = helper.getTileEntitiesForChunk(c);
+                        for(Object t : tileents.values()) {
+                            int te_x = helper.getTileEntityX(t);
+                            int te_y = helper.getTileEntityY(t);
+                            int te_z = helper.getTileEntityZ(t);
+                            int cx = te_x & 0xF;
+                            int cz = te_z & 0xF;
+                            int blkid = ss.getBlockTypeId(cx, te_y, cz);
+                            int blkdat = ss.getBlockData(cx, te_y, cz);
+                            String[] te_fields = HDBlockModels.getTileEntityFieldsNeeded(blkid,  blkdat);
+                            if(te_fields != null) {
+                                Object nbtcompound = helper.readTileEntityNBT(t);
+                                
+                                vals.clear();
+                                for(String id: te_fields) {
+                                    Object val = helper.getFieldValue(nbtcompound, id);
+                                    if(val != null) {
+                                        vals.add(id);
+                                        vals.add(val);
+                                    }
+                                }
+                                if(vals.size() > 0) {
+                                    Object[] vlist = vals.toArray(new Object[vals.size()]);
+                                    tileData.put(getIndexInChunk(cx,te_y,cz), vlist);
+                                }
+                            }
+                        }
+                    }
+                    else
+                        ss = w.getEmptyChunkSnapshot(chunk.x, chunk.z, biome, biomeraw);
+                    if(ss != null) {
+                        ssr = new SnapshotRec();
+                        ssr.ss = ss;
+                        ssr.inhabitedTicks = inhabited_ticks;
+                        ssr.tileData = tileData;
+                        SnapshotCache.cache.putSnapshot(dw.getName(), chunk.x, chunk.z, ssr, blockdata, biome, biomeraw, highesty);
+                    }
+                }
+                int chunkIndex = (chunk.x-x_min) + (chunk.z - z_min)*x_dim;
+                snaparray[chunkIndex] = ss;
+                snaptile[chunkIndex] = tileData;
+                inhabitedTicks[chunkIndex] = inhabited_ticks;
+                
+                /* If wasn't loaded before, we need to do unload */
+                if (!wasLoaded) {
+                    /* Since we only remember ones we loaded, and we're synchronous, no player has
+                     * moved, so it must be safe (also prevent chunk leak, which appears to happen
+                     * because isChunkInUse defined "in use" as being within 256 blocks of a player,
+                     * while the actual in-use chunk area for a player where the chunks are managed
+                     * by the MC base server is 21x21 (or about a 160 block radius).
+                     * Also, if we did generate it, need to save it */
+                    helper.unloadChunkNoSave(w, c, chunk.x, chunk.z);
+                    endChunkLoad(startTime, ChunkStats.UNLOADED_CHUNKS);
+                }
+                else if (isunloadpending) { /* Else, if loaded and unload is pending */
+                    w.unloadChunkRequest(chunk.x, chunk.z); /* Request new unload */
+                    endChunkLoad(startTime, ChunkStats.LOADED_CHUNKS);
+                }
+                else {
+                    endChunkLoad(startTime, ChunkStats.LOADED_CHUNKS);
+                }
+            }
+            else {
+                endChunkLoad(startTime, ChunkStats.UNGENERATED_CHUNKS);
+            }
+            cnt++;
+        }
+        DynmapCore.setIgnoreChunkLoads(false);
+
+        if(iterator.hasNext() == false) {   /* If we're done */
+            isempty = true;
+            /* Fill missing chunks with empty dummy chunk */
+            for(int i = 0; i < snaparray.length; i++) {
+                if(snaparray[i] == null)
+                    snaparray[i] = EMPTY;
+                else if(snaparray[i] != EMPTY)
+                    isempty = false;
+            }
+        }
+
+        return cnt;
+    }
+    /**
+     * Test if done loading
+     */
+    @Override
+    public boolean isDoneLoading() {
+        if(dw.isLoaded() == false) {
+            isempty = true;
+            unloadChunks();
+            return true;
+        }
+        if(iterator != null)
+            return !iterator.hasNext();
+        return false;
+    }
+    @Override
+    public int readChunks() {
+        return 0;
+    }
+}
@@ -3,20 +3,30 @@ package org.dynmap.bukkit;
 import java.lang.ref.Reference;
 import java.lang.ref.ReferenceQueue;
 import java.lang.ref.WeakReference;
+import java.lang.ref.SoftReference;
 import java.util.IdentityHashMap;
 import java.util.LinkedHashMap;
 import java.util.Map;

 import org.bukkit.ChunkSnapshot;
+import org.dynmap.utils.DynIntHashMap;

 public class SnapshotCache {
+    public static class SnapshotRec {
+        public ChunkSnapshot ss;
+        public long inhabitedTicks;
+        public DynIntHashMap tileData;
+    };
+    public static SnapshotCache cache;
+    
    private CacheHashMap snapcache;
-    private ReferenceQueue<ChunkSnapshot> refqueue;
+    private ReferenceQueue<SnapshotRec> refqueue;
    private long cache_attempts;
    private long cache_success;
-
+    private boolean softref;
+    
    private static class CacheRec {
-        WeakReference<ChunkSnapshot> ref;
+        Reference<SnapshotRec> ref;
        boolean hasbiome;
        boolean hasrawbiome;
        boolean hasblockdata;
@@ -26,12 +36,12 @@ public class SnapshotCache {
    @SuppressWarnings("serial")
    public class CacheHashMap extends LinkedHashMap<String, CacheRec> {
        private int limit;
-        private IdentityHashMap<WeakReference<ChunkSnapshot>, String> reverselookup;
+        private IdentityHashMap<Reference<SnapshotRec>, String> reverselookup;

        public CacheHashMap(int lim) {
            super(16, (float)0.75, true);
            limit = lim;
-            reverselookup = new IdentityHashMap<WeakReference<ChunkSnapshot>, String>();
+            reverselookup = new IdentityHashMap<Reference<SnapshotRec>, String>();
        }
        protected boolean removeEldestEntry(Map.Entry<String, CacheRec> last) {
            boolean remove = (size() >= limit);
@@ -45,9 +55,10 @@ public class SnapshotCache {
    /**
     * Create snapshot cache
     */
-    public SnapshotCache(int max_size) {
+    public SnapshotCache(int max_size, boolean softref) {
        snapcache = new CacheHashMap(max_size);
-        refqueue = new ReferenceQueue<ChunkSnapshot>();
+        refqueue = new ReferenceQueue<SnapshotRec>();
+        this.softref = softref;
    }
    private String getKey(String w, int cx, int cz) {
        return w + ":" + cx + ":" + cz;
@@ -83,11 +94,11 @@ public class SnapshotCache {
    /**
     * Look for chunk snapshot in cache
     */
-    public ChunkSnapshot getSnapshot(String w, int chunkx, int chunkz, 
+    public SnapshotRec getSnapshot(String w, int chunkx, int chunkz, 
            boolean blockdata, boolean biome, boolean biomeraw, boolean highesty) {
        String key = getKey(w, chunkx, chunkz);
        processRefQueue();
-        ChunkSnapshot ss = null;
+        SnapshotRec ss = null;
        CacheRec rec = snapcache.get(key);
        if(rec != null) {
            ss = rec.ref.get();
@@ -112,7 +123,7 @@ public class SnapshotCache {
    /**
     * Add chunk snapshot to cache
     */
-    public void putSnapshot(String w, int chunkx, int chunkz, ChunkSnapshot ss, 
+    public void putSnapshot(String w, int chunkx, int chunkz, SnapshotRec ss, 
            boolean blockdata, boolean biome, boolean biomeraw, boolean highesty) {
        String key = getKey(w, chunkx, chunkz);
        processRefQueue();
@@ -121,7 +132,10 @@ public class SnapshotCache {
        rec.hasbiome = biome;
        rec.hasrawbiome = biomeraw;
        rec.hashighesty = highesty;
-        rec.ref = new WeakReference<ChunkSnapshot>(ss, refqueue);
+        if (softref)
+            rec.ref = new SoftReference<SnapshotRec>(ss, refqueue);
+        else
+            rec.ref = new WeakReference<SnapshotRec>(ss, refqueue);
        CacheRec prevrec = snapcache.put(key, rec);
        if(prevrec != null) {
            snapcache.reverselookup.remove(prevrec.ref);
@@ -132,7 +146,7 @@ public class SnapshotCache {
     * Process reference queue
     */
    private void processRefQueue() {
-        Reference<? extends ChunkSnapshot> ref;
+        Reference<? extends SnapshotRec> ref;
        while((ref = refqueue.poll()) != null) {
            String k = snapcache.reverselookup.remove(ref);
            if(k != null) {
@@ -0,0 +1,5 @@
+#Generated by Maven
+#Fri Sep 19 23:52:48 CDT 2014
+version=2.0.0-SNAPSHOT
+groupId=us.dynmap
+artifactId=DynmapBukkitBase
@@ -0,0 +1,53 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>us.dynmap</groupId>
+	<artifactId>DynmapBukkit_1_7_10</artifactId>
+	<name>DynmapBukkit_1_7_10</name>
+	<url>http://github.com/webbukkit/dynmap/</url>
+	<issueManagement>
+		<system>GitHub</system>
+		<url>https://github.com/webbukkit/dynmap/issues</url>
+	</issueManagement>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>2.0.2</version>
+				<configuration>
+					<source>1.6</source>
+					<target>1.6</target>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+	<repositories>
+		<repository>
+			<releases>
+			</releases>
+			<snapshots>
+			</snapshots>
+			<id>dynmap-repo</id>
+			<url>http://repo.mikeprimm.com/</url>
+		</repository>
+	</repositories>
+	<version>2.0.0-SNAPSHOT</version>
+	<dependencies>
+		<dependency>
+			<groupId>org.bukkit</groupId>
+			<artifactId>Bukkit</artifactId>
+			<version>1.7.10-R0.1-SNAPSHOT</version>
+		</dependency>
+		<dependency>
+			<groupId>us.dynmap</groupId>
+			<artifactId>DynmapCore</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.bukkit</groupId>
+			<artifactId>CraftBukkit</artifactId>
+			<version>1.7.10-R0.1-SNAPSHOT</version>
+		</dependency>
+	</dependencies>
+</project>
@@ -0,0 +1,414 @@
+package org.dynmap.bukkit;
+
+import java.io.DataInputStream;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Map;
+import java.util.Set;
+
+import net.minecraft.server.v1_7_R4.ChunkProviderServer;
+import net.minecraft.server.v1_7_R4.ChunkRegionLoader;
+import net.minecraft.server.v1_7_R4.IChunkLoader;
+import net.minecraft.server.v1_7_R4.NBTTagCompound;
+
+import org.bukkit.World;
+import org.bukkit.Chunk;
+import org.bukkit.block.Biome;
+import org.bukkit.craftbukkit.v1_7_R4.CraftWorld;
+import org.bukkit.ChunkSnapshot;
+import org.dynmap.DynmapChunk;
+import org.dynmap.DynmapCore;
+import org.dynmap.DynmapWorld;
+import org.dynmap.Log;
+import org.dynmap.bukkit.BaseMapChunkCache;
+import org.dynmap.bukkit.SnapshotCache;
+import org.dynmap.bukkit.SnapshotCache.SnapshotRec;
+import org.dynmap.common.BiomeMap;
+import org.dynmap.hdmap.HDBlockModels;
+import org.dynmap.renderer.RenderPatchFactory;
+import org.dynmap.utils.DynIntHashMap;
+import org.dynmap.utils.MapChunkCache;
+import org.dynmap.utils.MapIterator;
+import org.dynmap.utils.BlockStep;
+import org.dynmap.utils.VisibilityLimit;
+
+/**
+ * Container for managing chunks - dependent upon using chunk snapshots, since rendering is off server thread
+ */
+public class V1_7_10_MapChunkCache extends BaseMapChunkCache {
+    private boolean doneLoad = false;
+    private ChunkProviderServer cps;
+    private ChunkRegionLoader loader;
+    private static boolean didInit = false;
+    private static Field loaderField = null;
+    
+    public V1_7_10_MapChunkCache() {
+        if (!didInit) {
+            try {
+                loaderField = ChunkProviderServer.class.getField("f");
+            } catch (NoSuchFieldException nsfx) {
+                Log.info("Error finding chunk loader");
+                loaderField = null;
+            }
+            didInit = true;
+        }
+    }
+    
+    private boolean isVisibleChunk(DynmapChunk chunk) {
+        boolean vis = true;
+        if(visible_limits != null) {
+            vis = false;
+            for(VisibilityLimit limit : visible_limits) {
+                if (limit.doIntersectChunk(chunk.x, chunk.z)) {
+                    vis = true;
+                    break;
+                }
+            }
+        }
+        if(vis && (hidden_limits != null)) {
+            for(VisibilityLimit limit : hidden_limits) {
+                if (limit.doIntersectChunk(chunk.x, chunk.z)) {
+                    vis = false;
+                    break;
+                }
+            }
+        }
+        return vis;
+    }
+    private boolean isInCache(DynmapChunk chunk, int idx, boolean vis) {
+        SnapshotRec ssr = SnapshotCache.cache.getSnapshot(dw.getName(), chunk.x, chunk.z, blockdata, biome, biomeraw, highesty); 
+        if(ssr != null) {
+            ChunkSnapshot ss = ssr.ss;
+            if(!vis) {
+                if(hidestyle == HiddenChunkStyle.FILL_STONE_PLAIN)
+                    ss = STONE;
+                else if(hidestyle == HiddenChunkStyle.FILL_OCEAN)
+                    ss = OCEAN;
+                else
+                    ss = EMPTY;
+            }
+            snaparray[idx] = ss;
+            snaptile[idx] = ssr.tileData;
+            inhabitedTicks[idx] = ssr.inhabitedTicks;            
+        }
+        return (ssr != null);
+    }
+    @Override
+    public int loadChunks(int max_to_load) {
+        if(dw.isLoaded() == false)
+            return 0;
+        Object queue = helper.getUnloadQueue(w);
+        
+        int cnt = 0;
+        Iterator<DynmapChunk> iterator = chunks.listIterator();
+
+        //boolean isnormral = w.getEnvironment() == Environment.NORMAL;
+        // Load the required chunks.
+        while (iterator.hasNext()) {
+            long startTime = System.nanoTime();
+            DynmapChunk chunk = iterator.next();
+            int idx = (chunk.x - x_min) + ((chunk.z - z_min) * x_dim);
+            
+            if (snaparray[idx] != null) {
+                continue;
+            }
+            boolean vis = isVisibleChunk(chunk);
+            /* Check if cached chunk snapshot found */
+            if (isInCache(chunk, idx, vis)) {
+                endChunkLoad(startTime, ChunkStats.CACHED_SNAPSHOT_HIT);
+                continue;
+            }
+            ChunkSnapshot ss = null;
+            long inhabited_ticks = 0;
+            DynIntHashMap tileData = null;
+            // See if chunk already loaded
+            boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z);
+            boolean isunloadpending = false;
+            if (queue != null) {
+                isunloadpending = helper.isInUnloadQueue(queue, chunk.x, chunk.z);
+            }
+            // If loaded, and not being unloaded, read live chunk
+            if (wasLoaded && (!isunloadpending)) {
+                tileData = new DynIntHashMap();
+
+                Chunk c = w.getChunkAt(chunk.x, chunk.z);   /* Get the chunk */
+                /* Get inhabited ticks count */
+                inhabited_ticks = helper.getInhabitedTicks(c);
+                if(!vis) {
+                    if(hidestyle == HiddenChunkStyle.FILL_STONE_PLAIN)
+                        ss = STONE;
+                    else if(hidestyle == HiddenChunkStyle.FILL_OCEAN)
+                        ss = OCEAN;
+                    else
+                        ss = EMPTY;
+                }
+                else {
+                    if(blockdata || highesty) {
+                        ss = c.getChunkSnapshot(highesty, biome, biomeraw);
+                        /* Get tile entity data */
+                        List<Object> vals = new ArrayList<Object>();
+                        Map<?,?> tileents = helper.getTileEntitiesForChunk(c);
+                        for(Object t : tileents.values()) {
+                            int te_x = helper.getTileEntityX(t);
+                            int te_y = helper.getTileEntityY(t);
+                            int te_z = helper.getTileEntityZ(t);
+                            int cx = te_x & 0xF;
+                            int cz = te_z & 0xF;
+                            int blkid = ss.getBlockTypeId(cx, te_y, cz);
+                            int blkdat = ss.getBlockData(cx, te_y, cz);
+                            String[] te_fields = HDBlockModels.getTileEntityFieldsNeeded(blkid,  blkdat);
+                            if(te_fields != null) {
+                                Object nbtcompound = helper.readTileEntityNBT(t);
+                                
+                                vals.clear();
+                                for(String id: te_fields) {
+                                    Object val = helper.getFieldValue(nbtcompound, id);
+                                    if(val != null) {
+                                        vals.add(id);
+                                        vals.add(val);
+                                    }
+                                }
+                                if(vals.size() > 0) {
+                                    Object[] vlist = vals.toArray(new Object[vals.size()]);
+                                    tileData.put(getIndexInChunk(cx,te_y,cz), vlist);
+                                }
+                            }
+                        }
+                    }
+                    else
+                        ss = w.getEmptyChunkSnapshot(chunk.x, chunk.z, biome, biomeraw);
+                    if(ss != null) {
+                        SnapshotRec ssr = new SnapshotRec();
+                        ssr.ss = ss;
+                        ssr.inhabitedTicks = inhabited_ticks;
+                        ssr.tileData = tileData;
+                        SnapshotCache.cache.putSnapshot(dw.getName(), chunk.x, chunk.z, ssr, blockdata, biome, biomeraw, highesty);
+                    }
+                }
+                int chunkIndex = (chunk.x-x_min) + (chunk.z - z_min)*x_dim;
+                snaparray[chunkIndex] = ss;
+                snaptile[chunkIndex] = tileData;
+                inhabitedTicks[chunkIndex] = inhabited_ticks;
+                
+                endChunkLoad(startTime, ChunkStats.LOADED_CHUNKS);
+            }
+            else {
+                endChunkLoad(startTime, ChunkStats.UNGENERATED_CHUNKS);
+            }
+            cnt++;
+        }
+        doneLoad = true;
+        
+        return cnt;
+    }
+    /**
+     * Test if done loading
+     */
+    @Override
+    public boolean isDoneLoading() {
+        return doneLoad;
+    }
+    @Override
+    public int readChunks() {
+        if(dw.isLoaded() == false)
+            return 0;
+        Object queue = helper.getUnloadQueue(w);
+        cps = ((CraftWorld) w).getHandle().chunkProviderServer;
+        try {
+            IChunkLoader cloader = (IChunkLoader) loaderField.get(cps);
+            if (cloader instanceof ChunkRegionLoader) {
+                loader = (ChunkRegionLoader) cloader;
+            }
+        } catch (IllegalArgumentException iax) {
+        } catch (IllegalAccessException ixx) {
+        }
+        if (loader == null) {
+            Log.warning("Unable to find usable chunk loader");
+            return 0;
+        }
+        int cnt = 0;
+        Iterator<DynmapChunk> iterator = chunks.listIterator();
+
+        //boolean isnormral = w.getEnvironment() == Environment.NORMAL;
+        // Load the required chunks.
+        while (iterator.hasNext()) {
+            long startTime = System.nanoTime();
+            DynmapChunk chunk = iterator.next();
+            int idx = (chunk.x - x_min) + ((chunk.z - z_min) * x_dim);
+            if (snaparray[idx] != null) {
+                continue;
+            }
+            boolean vis = isVisibleChunk(chunk);
+
+
+        }
+        // Finish up any chunks that didn't get loaded or read
+        isempty = true;
+        /* Fill missing chunks with empty dummy chunk */
+        for(int i = 0; i < snaparray.length; i++) {
+            if(snaparray[i] == null)
+                snaparray[i] = EMPTY;
+            else if(snaparray[i] != EMPTY)
+                isempty = false;
+        }
+        return 0;
+    }
+    
+    public NBTTagCompound readChunk(int x, int z) {
+        try {
+            List<?> chunkstoremove = null;
+            Set<?> pendingcoords = null;
+            LinkedHashMap<?,?> pendingsavesmcpc = null;
+            
+            if (pendingAnvilChunksMCPC != null) {
+                pendingsavesmcpc = (LinkedHashMap<?,?>)pendingAnvilChunksMCPC.get(acl);
+            }
+            else {
+                chunkstoremove = (List<?>)chunksToRemove.get(acl);
+                pendingcoords = (Set<?>)pendingAnvilChunksCoordinates.get(acl);
+            }
+            Object synclock = syncLockObject.get(acl);
+
+            NBTTagCompound rslt = null;
+            ChunkCoordIntPair coord = new ChunkCoordIntPair(x, z);
+
+            synchronized (synclock) {
+                if (pendingAnvilChunksMCPC != null) {
+                    Object rec = pendingsavesmcpc.get(coord);
+                    if(rec != null) {
+                        if (chunkCoord == null) {
+                            Field[] f = rec.getClass().getDeclaredFields();
+                            for(Field ff : f) {
+                                if((chunkCoord == null) && (ff.getType().equals(ChunkCoordIntPair.class))) {
+                                    chunkCoord = ff;
+                                }
+                                else if((nbtTag == null) && (ff.getType().equals(NBTTagCompound.class))) {
+                                    nbtTag = ff;
+                                }
+                            }
+                        }
+                        rslt = (NBTTagCompound)nbtTag.get(rec);
+                    }
+                }
+                else {
+                    if (pendingcoords.contains(coord)) {
+                        for (int i = 0; i < chunkstoremove.size(); i++) {
+                            Object o = chunkstoremove.get(i);
+                            if (chunkCoord == null) {
+                                Field[] f = o.getClass().getDeclaredFields();
+                                for(Field ff : f) {
+                                    if((chunkCoord == null) && (ff.getType().equals(ChunkCoordIntPair.class))) {
+                                        chunkCoord = ff;
+                                    }
+                                    else if((nbtTag == null) && (ff.getType().equals(NBTTagCompound.class))) {
+                                        nbtTag = ff;
+                                    }
+                                }
+                            }
+                            ChunkCoordIntPair occ = (ChunkCoordIntPair)chunkCoord.get(o);
+
+                            if (occ.equals(coord)) {
+                                rslt = (NBTTagCompound)nbtTag.get(o);
+                                break;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if (rslt == null) {
+                DataInputStream str = RegionFileCache.getChunkInputStream(acl.chunkSaveLocation, x, z);
+
+                if (str == null) {
+                    return null;
+                }
+                rslt = CompressedStreamTools.read(str);
+            }
+            if(rslt != null) 
+                rslt = rslt.getCompoundTag("Level");
+            return rslt;
+        } catch (Exception exc) {
+            return null;
+        }
+    }
+    
+    private Object getNBTValue(NBTBase v) {
+        Object val = null;
+        switch(v.getId()) {
+            case 1: // Byte
+                val = Byte.valueOf(((NBTTagByte)v).func_150290_f());
+                break;
+            case 2: // Short
+                val = Short.valueOf(((NBTTagShort)v).func_150289_e());
+                break;
+            case 3: // Int
+                val = Integer.valueOf(((NBTTagInt)v).func_150287_d());
+                break;
+            case 4: // Long
+                val = Long.valueOf(((NBTTagLong)v).func_150291_c());
+                break;
+            case 5: // Float
+                val = Float.valueOf(((NBTTagFloat)v).func_150288_h());
+                break;
+            case 6: // Double
+                val = Double.valueOf(((NBTTagDouble)v).func_150286_g());
+                break;
+            case 7: // Byte[]
+                val = ((NBTTagByteArray)v).func_150292_c();
+                break;
+            case 8: // String
+                val = ((NBTTagString)v).func_150285_a_();
+                break;
+            case 9: // List
+                NBTTagList tl = (NBTTagList) v;
+                ArrayList<Object> vlist = new ArrayList<Object>();
+                int type = tl.func_150303_d();
+                for (int i = 0; i < tl.tagCount(); i++) {
+                    switch (type) {
+                        case 5:
+                            float fv = tl.func_150308_e(i);
+                            vlist.add(fv);
+                            break;
+                        case 6:
+                            double dv = tl.func_150309_d(i);
+                            vlist.add(dv);
+                            break;
+                        case 8:
+                            String sv = tl.getStringTagAt(i);
+                            vlist.add(sv);
+                            break;
+                        case 10:
+                            NBTTagCompound tc = tl.getCompoundTagAt(i);
+                            vlist.add(getNBTValue(tc));
+                            break;
+                        case 11:
+                            int[] ia = tl.func_150306_c(i);
+                            vlist.add(ia);
+                            break;
+                    }
+                }
+                val = vlist;
+                break;
+            case 10: // Map
+                NBTTagCompound tc = (NBTTagCompound) v;
+                HashMap<String, Object> vmap = new HashMap<String, Object>();
+                for (Object t : tc.func_150296_c()) {
+                    String st = (String) t;
+                    NBTBase tg = tc.getTag(st);
+                    vmap.put(st, getNBTValue(tg));
+                }
+                val = vmap;
+                break;
+            case 11: // Int[]
+                val = ((NBTTagIntArray)v).func_150302_c();
+                break;
+        }
+        return val;
+    }
+    
+}
@@ -0,0 +1,201 @@
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+
+      "You" (or "Your") shall mean an individual or Legal Entity
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+   6. Trademarks. This License does not grant permission to use the trade
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+
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+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
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+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
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+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
@@ -0,0 +1,177 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>us.dynmap</groupId>
+	<artifactId>dynmap</artifactId>
+	<name>dynmap</name>
+	<properties>
+		<timestamp>${maven.build.timestamp}</timestamp>
+		<maven.build.timestamp.format>yyyyMMddHHmm</maven.build.timestamp.format>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<BUILD_NUMBER>Dev${timestamp}</BUILD_NUMBER>
+	</properties>
+	<url>http://github.com/webbukkit/dynmap/</url>
+	<issueManagement>
+		<system>GitHub</system>
+		<url>https://github.com/webbukkit/dynmap/issues</url>
+	</issueManagement>
+	<build>
+	    <directory>../target</directory>
+		<resources>
+			<resource>
+				<directory>src/main/resources</directory>
+				<filtering>true</filtering>
+				<includes>
+					<include>*.yml</include>
+					<include>*.txt</include>
+				</includes>
+			</resource>
+			<resource>
+				<directory>src/main/resources</directory>
+				<filtering>false</filtering>
+				<excludes>
+					<exclude>*.yml</exclude>
+					<exclude>*.txt</exclude>
+				</excludes>
+			</resource>
+		</resources>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>2.0.2</version>
+				<configuration>
+					<source>1.6</source>
+					<target>1.6</target>
+				</configuration>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-shade-plugin</artifactId>
+				<version>1.5</version>
+				<executions>
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>shade</goal>
+						</goals>
+						<configuration>
+							<artifactSet>
+								<includes>
+									<include>us.dynmap:dynmap-api:jar:*</include>
+									<include>us.dynmap:DynmapCore:jar:*</include>
+									<include>us.dynmap:DynmapBukkitBase:jar:*</include>
+								</includes>
+							</artifactSet>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-source-plugin</artifactId>
+				<version>2.2.1</version>
+				<executions>
+					<execution>
+						<id>attach-sources</id>
+						<goals>
+							<goal>jar</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-javadoc-plugin</artifactId>
+				<version>2.9.1</version>
+				<executions>
+					<execution>
+						<id>attach-javadocs</id>
+						<goals>
+							<goal>jar</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+
+		</plugins>
+	</build>
+	<repositories>
+		<repository>
+			<releases>
+			</releases>
+			<snapshots>
+			</snapshots>
+			<id>bukkit-repo</id>
+			<url>http://repo.bukkit.org/content/repositories/releases/</url>
+		</repository>
+		<repository>
+			<releases>
+			</releases>
+			<snapshots>
+			</snapshots>
+			<id>dynmap-repo</id>
+			<url>http://repo.mikeprimm.com/</url>
+		</repository>
+	</repositories>
+	<dependencies>
+		<dependency>
+			<groupId>com.nijikokun.bukkit</groupId>
+			<artifactId>Permissions</artifactId>
+			<version>3.1.6</version>
+		</dependency>
+		<dependency>
+			<groupId>org.bukkit</groupId>
+			<artifactId>Bukkit</artifactId>
+			<version>1.7.10-R0.1-SNAPSHOT</version>
+		</dependency>
+		<dependency>
+			<groupId>us.dynmap</groupId>
+			<artifactId>dynmap-api</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>us.dynmap</groupId>
+			<artifactId>DynmapCore</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>ru.tehkode</groupId>
+			<artifactId>PermissionsEx</artifactId>
+			<version>1.19.1</version>
+		</dependency>
+		<dependency>
+			<groupId>de.bananaco</groupId>
+			<artifactId>bPermissions</artifactId>
+			<version>2.9.1</version>
+		</dependency>
+		<dependency>
+			<groupId>com.platymuus.bukkit.permissions</groupId>
+			<artifactId>PermissionsBukkit</artifactId>
+			<version>1.6</version>
+		</dependency>
+		<dependency>
+			<groupId>org.anjocaido</groupId>
+			<artifactId>EssentialsGroupManager</artifactId>
+			<version>2.10.1</version>
+		</dependency>
+		<dependency>
+			<groupId>us.dynmap</groupId>
+			<artifactId>DynmapSpigot</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>us.dynmap</groupId>
+			<artifactId>DynmapBukkitBase</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>us.dynmap</groupId>
+			<artifactId>DynmapBukkit_1_7_10</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+	</dependencies>
+	<version>2.0.0-SNAPSHOT</version>
+</project>
@@ -7,15 +7,12 @@
  <fileSets>
    <fileSet>
    	<directory>${project.build.directory}/core</directory>
-    	<outputDirectory>/dynmap</outputDirectory>
-    	<excludes>
-    		<exclude>web/version.js</exclude></excludes></fileSet>
+    	<outputDirectory>/dynmap</outputDirectory></fileSet>
    <fileSet>
-    	<directory>${project.build.directory}/core/web</directory>
-    	<outputDirectory>/dynmap/web</outputDirectory>
+    	<directory>${project.basedir}</directory>
+    	<outputDirectory>/dynmap</outputDirectory>
    	<includes>
-    		<include>version.js</include></includes>
-    	<filtered>true</filtered></fileSet>
+    		<include>LICENSE</include></includes></fileSet>
  </fileSets>
  <files>
  	<file>
@@ -0,0 +1,69 @@
+package org.dynmap.bukkit.permissions;
+
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.dynmap.Log;
+
+public class BukkitPermissions implements PermissionProvider {
+    protected String name;
+    protected Map<String, Boolean> pd;
+
+    public static BukkitPermissions create(String name, Map<String,Boolean> pd) {
+        try {
+            Class.forName("org.bukkit.permissions.PermissibleBase");    /* See if class exists */
+        } catch (ClassNotFoundException cnfx) {
+            return null;
+        }
+        Log.info("Using Bukkit Permissions (superperms) for access control");
+        Log.info("Web interface permissions only available for online users");
+        return new BukkitPermissions(name, pd);
+    }
+
+    public BukkitPermissions(String name, Map<String, Boolean> pd) {
+        this.name = name;
+        this.pd = pd;
+    }
+
+    @Override
+    public boolean has(CommandSender sender, String permission) {
+        Player player = sender instanceof Player ? (Player) sender : null;
+        return player != null
+                ? player.hasPermission(name + "." + permission) || player.hasPermission(name + ".*")
+                : true;
+    }
+    @Override
+    public Set<String> hasOfflinePermissions(String player, Set<String> perms) {
+        Player p = Bukkit.getPlayerExact(player);
+        HashSet<String> hasperms = null;
+        if (p != null) {
+            hasperms = new HashSet<String>();
+            for(String perm : perms) {
+                if (p.hasPermission(name + "." + perm)) {
+                    hasperms.add(perm);
+                }
+            }
+        }
+        return hasperms;
+    }
+
+    @Override
+    public boolean hasOfflinePermission(String player, String perm) {
+        Player p = Bukkit.getPlayerExact(player);
+        if (p != null) {
+            return p.hasPermission(name + "." + perm);
+        }
+        else {
+            OfflinePlayer op = Bukkit.getOfflinePlayer(player);
+            if((op != null) && op.isOp()) {
+                return true;
+            }
+            return false;
+        }
+    }
+}
@@ -0,0 +1,66 @@
+package org.dynmap.bukkit.permissions;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.bukkit.Server;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
+import org.dynmap.Log;
+import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder;
+import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
+
+public class GroupManagerPermissions implements PermissionProvider {
+    String name;
+    GroupManager gm;
+    WorldsHolder wh;
+
+    public static GroupManagerPermissions create(Server server, String name) {
+        Plugin permissionsPlugin = server.getPluginManager().getPlugin("GroupManager");
+        if (permissionsPlugin == null)
+            return null;
+        server.getPluginManager().enablePlugin(permissionsPlugin);
+        if(permissionsPlugin.isEnabled() == false)
+            return null;
+        Log.info("Using GroupManager " + permissionsPlugin.getDescription().getVersion() + " for access control");
+        return new GroupManagerPermissions(name, permissionsPlugin);
+    }
+
+    public GroupManagerPermissions(String name, Plugin permissionsPlugin) {
+        this.name = name;
+        gm = (GroupManager)permissionsPlugin;
+        wh = gm.getWorldsHolder();
+    }
+
+    @Override
+    public boolean has(CommandSender sender, String permission) {        
+        Player player = sender instanceof Player ? (Player) sender : null;
+        boolean rslt = (player != null) ? gm.getWorldsHolder().getDefaultWorld().getPermissionsHandler().permission(player, name + "." + permission) : true;
+        return rslt;
+    }
+    
+    @Override
+    public Set<String> hasOfflinePermissions(String player, Set<String> perms) {
+        HashSet<String> hasperms = new HashSet<String>();
+        AnjoPermissionsHandler apm = gm.getWorldsHolder().getDefaultWorld().getPermissionsHandler();
+        if (apm != null) {
+            for (String pp : perms) {
+                if (apm.permission(player, name + "." + pp)) {
+                    hasperms.add(pp);
+                }
+            }
+        }
+        return hasperms;
+    }
+    @Override
+    public boolean hasOfflinePermission(String player, String perm) {
+        AnjoPermissionsHandler apm = gm.getWorldsHolder().getDefaultWorld().getPermissionsHandler();
+        boolean rslt = false;
+        if(apm != null) {
+            rslt = apm.permission(player, name + "." + perm);
+        }
+        return rslt;
+    }
+}
--- a/Show More
+++ b/Show More