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