001package net.minecraftforge.common;
002
003import java.lang.reflect.Constructor;
004import java.util.*;
005
006import cpw.mods.fml.common.FMLCommonHandler;
007import cpw.mods.fml.common.FMLLog;
008import cpw.mods.fml.common.Mod;
009import cpw.mods.fml.common.ModContainer;
010
011import net.minecraft.block.Block;
012import net.minecraft.block.material.Material;
013import net.minecraft.entity.monster.EntityEnderman;
014import net.minecraft.item.Item;
015import net.minecraft.item.ItemStack;
016import net.minecraftforge.common.ForgeHooks.GrassEntry;
017import net.minecraftforge.common.ForgeHooks.SeedEntry;
018import net.minecraftforge.event.EventBus;
019import net.minecraftforge.event.ForgeSubscribe;
020import net.minecraftforge.event.entity.EntityEvent;
021import net.minecraftforge.oredict.OreDictionary;
022
023public class MinecraftForge
024{
025    /**
026     * The core Forge EventBusses, all events for Forge will be fired on these,
027     * you should use this to register all your listeners.
028     * This replaces every register*Handler() function in the old version of Forge.
029     * TERRAIN_GEN_BUS for terrain gen events
030     * ORE_GEN_BUS for ore gen events
031     * EVENT_BUS for everything else
032     */
033    public static final EventBus EVENT_BUS = new EventBus();
034    public static final EventBus TERRAIN_GEN_BUS = new EventBus();
035    public static final EventBus ORE_GEN_BUS = new EventBus();
036    @Deprecated //Vanilla feature now
037    public static boolean SPAWNER_ALLOW_ON_INVERTED = false;
038
039    private static final ForgeInternalHandler INTERNAL_HANDLER = new ForgeInternalHandler();
040
041
042    /** Register a new plant to be planted when bonemeal is used on grass.
043     * @param block The block to place.
044     * @param metadata The metadata to set for the block when being placed.
045     * @param weight The weight of the plant, where red flowers are
046     *               10 and yellow flowers are 20.
047     */
048    public static void addGrassPlant(Block block, int metadata, int weight)
049    {
050        ForgeHooks.grassList.add(new GrassEntry(block, metadata, weight));
051    }
052
053    /**
054     * Register a new seed to be dropped when breaking tall grass.
055     *
056     * @param seed The item to drop as a seed.
057     * @param weight The relative probability of the seeds,
058     *               where wheat seeds are 10.
059     */
060    public static void addGrassSeed(ItemStack seed, int weight)
061    {
062        ForgeHooks.seedList.add(new SeedEntry(seed, weight));
063    }
064
065    /**
066     *
067     * Register a tool as a tool class with a given harvest level.
068     *
069     * @param tool The custom tool to register.
070     * @param toolClass The tool class to register as.  The predefined tool
071     *                  clases are "pickaxe", "shovel", "axe".  You can add
072     *                  others for custom tools.
073     * @param harvestLevel The harvest level of the tool.
074     */
075   public static void setToolClass(Item tool, String toolClass, int harvestLevel)
076   {
077       ForgeHooks.toolClasses.put(tool, Arrays.asList(toolClass, harvestLevel));
078   }
079
080   /**
081    * Register a block to be harvested by a tool class.  This is the metadata
082    * sensitive version, use it if your blocks are using metadata variants.
083    * By default, this sets the block class as effective against that type.
084    *
085    * @param block The block to register.
086    * @param metadata The metadata for the block subtype.
087    * @param toolClass The tool class to register as able to remove this block.
088    *                  You may register the same block multiple times with different tool
089    *                  classes, if multiple tool types can be used to harvest this block.
090    * @param harvestLevel The minimum tool harvest level required to successfully
091    * harvest the block.
092    * @see MinecraftForge#setToolClass for details on tool classes.
093    */
094   public static void setBlockHarvestLevel(Block block, int metadata, String toolClass, int harvestLevel)
095   {
096       List key = Arrays.asList(block, metadata, toolClass);
097       ForgeHooks.toolHarvestLevels.put(key, harvestLevel);
098       ForgeHooks.toolEffectiveness.add(key);
099   }
100
101   /**
102    * Remove a block effectiveness mapping.  Since setBlockHarvestLevel
103    * makes the tool class effective against the block by default, this can be
104    * used to remove that mapping.  This will force a block to be harvested at
105    * the same speed regardless of tool quality, while still requiring a given
106    * harvesting level.
107    *
108    * @param block The block to remove effectiveness from.
109    * @param metadata The metadata for the block subtype.
110    * @param toolClass The tool class to remove the effectiveness mapping from.
111    * @see MinecraftForge#setToolClass for details on tool classes.
112    */
113   public static void removeBlockEffectiveness(Block block, int metadata, String toolClass)
114   {
115       List key = Arrays.asList(block, metadata, toolClass);
116       ForgeHooks.toolEffectiveness.remove(key);
117   }
118
119   /**
120    * Register a block to be harvested by a tool class.
121    * By default, this sets the block class as effective against that type.
122    *
123    * @param block The block to register.
124    * @param toolClass The tool class to register as able to remove this block.
125    *                  You may register the same block multiple times with different tool
126    *                  classes, if multiple tool types can be used to harvest this block.
127    * @param harvestLevel The minimum tool harvest level required to successfully
128    *                     harvest the block.
129    * @see MinecraftForge#setToolClass for details on tool classes.
130    */
131   public static void setBlockHarvestLevel(Block block, String toolClass, int harvestLevel)
132   {
133       for (int metadata = 0; metadata < 16; metadata++)
134       {
135           List key = Arrays.asList(block, metadata, toolClass);
136           ForgeHooks.toolHarvestLevels.put(key, harvestLevel);
137           ForgeHooks.toolEffectiveness.add(key);
138       }
139   }
140
141   /**
142    * Returns the block harvest level for a particular tool class.
143    *
144    * @param block The block to check.
145    * @param metadata The metadata for the block subtype.
146    * @param toolClass The tool class to check as able to remove this block.
147    * @see MinecraftForge#setToolClass for details on tool classes.
148    * @return The harvest level or -1 if no mapping exists.
149    */
150   public static int getBlockHarvestLevel(Block block, int metadata, String toolClass)
151   {
152       ForgeHooks.initTools();
153       List key = Arrays.asList(block, metadata, toolClass);
154       Integer harvestLevel = ForgeHooks.toolHarvestLevels.get(key);
155       return (harvestLevel == null ? -1 : harvestLevel);
156   }
157
158   /**
159    * Remove a block effectiveness mapping.  Since setBlockHarvestLevel
160    * makes the tool class effective against the block by default, this can be
161    * used to remove that mapping.  This will force a block to be harvested at
162    * the same speed regardless of tool quality, while still requiring a given
163    * harvesting level.
164    *
165    * @param block The block to remove effectiveness from.
166    * @param toolClass The tool class to remove the effectiveness mapping from.
167    * @see MinecraftForge#setToolClass for details on tool classes.
168    */
169   public static void removeBlockEffectiveness(Block block, String toolClass)
170   {
171       for (int metadata = 0; metadata < 16; metadata++)
172       {
173           List key = Arrays.asList(block, metadata, toolClass);
174           ForgeHooks.toolEffectiveness.remove(key);
175       }
176   }
177
178   /**
179    * Method invoked by FML before any other mods are loaded.
180    */
181   public static void initialize()
182   {
183       System.out.printf("MinecraftForge v%s Initialized\n", ForgeVersion.getVersion());
184       FMLLog.info("MinecraftForge v%s Initialized", ForgeVersion.getVersion());
185
186       Block filler = new Block(0, Material.air);
187       Block.blocksList[0] = null;
188       Block.opaqueCubeLookup[0] = false;
189       Block.lightOpacity[0] = 0;
190
191       for (int x = 256; x < 4096; x++)
192       {
193           if (Item.itemsList[x] != null)
194           {
195               Block.blocksList[x] = filler;
196           }
197       }
198
199       boolean[] temp = new boolean[4096];
200       System.arraycopy(EntityEnderman.carriableBlocks, 0, temp, 0, EntityEnderman.carriableBlocks.length);
201       EntityEnderman.carriableBlocks = temp;
202
203       EVENT_BUS.register(INTERNAL_HANDLER);
204       OreDictionary.getOreName(0);
205   }
206
207   public static String getBrandingVersion()
208   {
209       return "Minecraft Forge "+ ForgeVersion.getVersion();
210   }
211}