001    package net.minecraft.src;
002    
003    import java.util.HashMap;
004    import java.util.LinkedHashMap;
005    import java.util.Map;
006    
007    public class EntityList
008    {
009        /** Provides a mapping between entity classes and a string */
010        public static Map stringToClassMapping = new HashMap();
011    
012        /** Provides a mapping between a string and an entity classes */
013        public static Map classToStringMapping = new HashMap();
014    
015        /** provides a mapping between an entityID and an Entity Class */
016        public static Map IDtoClassMapping = new HashMap();
017    
018        /** provides a mapping between an Entity Class and an entity ID */
019        private static Map classToIDMapping = new HashMap();
020    
021        /** Maps entity names to their numeric identifiers */
022        private static Map stringToIDMapping = new HashMap();
023    
024        /** This is a HashMap of the Creative Entity Eggs/Spawners. */
025        public static HashMap entityEggs = new LinkedHashMap();
026    
027        /**
028         * adds a mapping between Entity classes and both a string representation and an ID
029         */
030        public static void addMapping(Class par0Class, String par1Str, int par2)
031        {
032            stringToClassMapping.put(par1Str, par0Class);
033            classToStringMapping.put(par0Class, par1Str);
034            IDtoClassMapping.put(Integer.valueOf(par2), par0Class);
035            classToIDMapping.put(par0Class, Integer.valueOf(par2));
036            stringToIDMapping.put(par1Str, Integer.valueOf(par2));
037        }
038    
039        /**
040         * Adds a entity mapping with egg info.
041         */
042        public static void addMapping(Class par0Class, String par1Str, int par2, int par3, int par4)
043        {
044            addMapping(par0Class, par1Str, par2);
045            entityEggs.put(Integer.valueOf(par2), new EntityEggInfo(par2, par3, par4));
046        }
047    
048        /**
049         * Create a new instance of an entity in the world by using the entity name.
050         */
051        public static Entity createEntityByName(String par0Str, World par1World)
052        {
053            Entity var2 = null;
054    
055            try
056            {
057                Class var3 = (Class)stringToClassMapping.get(par0Str);
058    
059                if (var3 != null)
060                {
061                    var2 = (Entity)var3.getConstructor(new Class[] {World.class}).newInstance(new Object[] {par1World});
062                }
063            }
064            catch (Exception var4)
065            {
066                var4.printStackTrace();
067            }
068    
069            return var2;
070        }
071    
072        /**
073         * create a new instance of an entity from NBT store
074         */
075        public static Entity createEntityFromNBT(NBTTagCompound par0NBTTagCompound, World par1World)
076        {
077            Entity var2 = null;
078    
079            try
080            {
081                Class var3 = (Class)stringToClassMapping.get(par0NBTTagCompound.getString("id"));
082    
083                if (var3 != null)
084                {
085                    var2 = (Entity)var3.getConstructor(new Class[] {World.class}).newInstance(new Object[] {par1World});
086                }
087            }
088            catch (Exception var4)
089            {
090                var4.printStackTrace();
091            }
092    
093            if (var2 != null)
094            {
095                var2.readFromNBT(par0NBTTagCompound);
096            }
097            else
098            {
099                System.out.println("Skipping Entity with id " + par0NBTTagCompound.getString("id"));
100            }
101    
102            return var2;
103        }
104    
105        /**
106         * Create a new instance of an entity in the world by using an entity ID.
107         */
108        public static Entity createEntityByID(int par0, World par1World)
109        {
110            Entity var2 = null;
111    
112            try
113            {
114                Class var3 = (Class)IDtoClassMapping.get(Integer.valueOf(par0));
115    
116                if (var3 != null)
117                {
118                    var2 = (Entity)var3.getConstructor(new Class[] {World.class}).newInstance(new Object[] {par1World});
119                }
120            }
121            catch (Exception var4)
122            {
123                var4.printStackTrace();
124            }
125    
126            if (var2 == null)
127            {
128                System.out.println("Skipping Entity with id " + par0);
129            }
130    
131            return var2;
132        }
133    
134        /**
135         * gets the entityID of a specific entity
136         */
137        public static int getEntityID(Entity par0Entity)
138        {
139            Class var1 = par0Entity.getClass();
140            return classToIDMapping.containsKey(var1) ? ((Integer)classToIDMapping.get(var1)).intValue() : 0;
141        }
142    
143        /**
144         * Gets the string representation of a specific entity.
145         */
146        public static String getEntityString(Entity par0Entity)
147        {
148            return (String)classToStringMapping.get(par0Entity.getClass());
149        }
150    
151        /**
152         * Finds the class using IDtoClassMapping and classToStringMapping
153         */
154        public static String getStringFromID(int par0)
155        {
156            Class var1 = (Class)IDtoClassMapping.get(Integer.valueOf(par0));
157            return var1 != null ? (String)classToStringMapping.get(var1) : null;
158        }
159    
160        static
161        {
162            addMapping(EntityItem.class, "Item", 1);
163            addMapping(EntityXPOrb.class, "XPOrb", 2);
164            addMapping(EntityPainting.class, "Painting", 9);
165            addMapping(EntityArrow.class, "Arrow", 10);
166            addMapping(EntitySnowball.class, "Snowball", 11);
167            addMapping(EntityLargeFireball.class, "Fireball", 12);
168            addMapping(EntitySmallFireball.class, "SmallFireball", 13);
169            addMapping(EntityEnderPearl.class, "ThrownEnderpearl", 14);
170            addMapping(EntityEnderEye.class, "EyeOfEnderSignal", 15);
171            addMapping(EntityPotion.class, "ThrownPotion", 16);
172            addMapping(EntityExpBottle.class, "ThrownExpBottle", 17);
173            addMapping(EntityItemFrame.class, "ItemFrame", 18);
174            addMapping(EntityWitherSkull.class, "WitherSkull", 19);
175            addMapping(EntityTNTPrimed.class, "PrimedTnt", 20);
176            addMapping(EntityFallingSand.class, "FallingSand", 21);
177            addMapping(EntityMinecart.class, "Minecart", 40);
178            addMapping(EntityBoat.class, "Boat", 41);
179            addMapping(EntityLiving.class, "Mob", 48);
180            addMapping(EntityMob.class, "Monster", 49);
181            addMapping(EntityCreeper.class, "Creeper", 50, 894731, 0);
182            addMapping(EntitySkeleton.class, "Skeleton", 51, 12698049, 4802889);
183            addMapping(EntitySpider.class, "Spider", 52, 3419431, 11013646);
184            addMapping(EntityGiantZombie.class, "Giant", 53);
185            addMapping(EntityZombie.class, "Zombie", 54, 44975, 7969893);
186            addMapping(EntitySlime.class, "Slime", 55, 5349438, 8306542);
187            addMapping(EntityGhast.class, "Ghast", 56, 16382457, 12369084);
188            addMapping(EntityPigZombie.class, "PigZombie", 57, 15373203, 5009705);
189            addMapping(EntityEnderman.class, "Enderman", 58, 1447446, 0);
190            addMapping(EntityCaveSpider.class, "CaveSpider", 59, 803406, 11013646);
191            addMapping(EntitySilverfish.class, "Silverfish", 60, 7237230, 3158064);
192            addMapping(EntityBlaze.class, "Blaze", 61, 16167425, 16775294);
193            addMapping(EntityMagmaCube.class, "LavaSlime", 62, 3407872, 16579584);
194            addMapping(EntityDragon.class, "EnderDragon", 63);
195            addMapping(EntityWither.class, "WitherBoss", 64);
196            addMapping(EntityBat.class, "Bat", 65, 4996656, 986895);
197            addMapping(EntityWitch.class, "Witch", 66, 3407872, 5349438);
198            addMapping(EntityPig.class, "Pig", 90, 15771042, 14377823);
199            addMapping(EntitySheep.class, "Sheep", 91, 15198183, 16758197);
200            addMapping(EntityCow.class, "Cow", 92, 4470310, 10592673);
201            addMapping(EntityChicken.class, "Chicken", 93, 10592673, 16711680);
202            addMapping(EntitySquid.class, "Squid", 94, 2243405, 7375001);
203            addMapping(EntityWolf.class, "Wolf", 95, 14144467, 13545366);
204            addMapping(EntityMooshroom.class, "MushroomCow", 96, 10489616, 12040119);
205            addMapping(EntitySnowman.class, "SnowMan", 97);
206            addMapping(EntityOcelot.class, "Ozelot", 98, 15720061, 5653556);
207            addMapping(EntityIronGolem.class, "VillagerGolem", 99);
208            addMapping(EntityVillager.class, "Villager", 120, 5651507, 12422002);
209            addMapping(EntityEnderCrystal.class, "EnderCrystal", 200);
210        }
211    }