Java tutorial
/* * Forge Mod Loader * Copyright (c) 2012-2013 cpw. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Lesser Public License v2.1 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * * Contributors: * cpw - implementation */ package cpw.mods.fml.client.modloader; import java.util.Collection; import java.util.Collections; import java.util.Map; import java.util.Map.Entry; import java.util.logging.Level; import net.minecraft.client.Minecraft; import net.minecraft.network.INetworkManager; import net.minecraft.network.packet.NetHandler; import net.minecraft.network.packet.Packet250CustomPayload; import net.minecraft.src.BaseMod; import net.minecraft.client.*; import net.minecraft.client.entity.EntityClientPlayerMP; import net.minecraft.client.multiplayer.NetClientHandler; import net.minecraft.client.renderer.entity.Render; import net.minecraft.client.renderer.entity.RenderManager; import net.minecraft.client.settings.KeyBinding; import net.minecraft.entity.Entity; import net.minecraft.entity.player.EntityPlayer; import com.google.common.base.Equivalence; import com.google.common.base.Supplier; import com.google.common.base.Suppliers; import com.google.common.collect.Iterables; import com.google.common.collect.Iterators; import com.google.common.collect.MapDifference; import com.google.common.collect.MapDifference.ValueDifference; import com.google.common.collect.MapMaker; import com.google.common.collect.Maps; import com.google.common.collect.Multimap; import com.google.common.collect.Multimaps; import cpw.mods.fml.client.FMLClientHandler; import cpw.mods.fml.client.registry.KeyBindingRegistry; import cpw.mods.fml.client.registry.RenderingRegistry; import cpw.mods.fml.common.FMLLog; import cpw.mods.fml.common.Loader; import cpw.mods.fml.common.modloader.BaseModProxy; import cpw.mods.fml.common.modloader.IModLoaderSidedHelper; import cpw.mods.fml.common.modloader.ModLoaderHelper; import cpw.mods.fml.common.modloader.ModLoaderModContainer; import cpw.mods.fml.common.network.EntitySpawnPacket; import cpw.mods.fml.common.registry.EntityRegistry.EntityRegistration; public class ModLoaderClientHelper implements IModLoaderSidedHelper { public static int obtainBlockModelIdFor(BaseMod mod, boolean inventoryRenderer) { int renderId = RenderingRegistry.getNextAvailableRenderId(); ModLoaderBlockRendererHandler bri = new ModLoaderBlockRendererHandler(renderId, inventoryRenderer, mod); RenderingRegistry.registerBlockHandler(bri); return renderId; } public static void handleFinishLoadingFor(ModLoaderModContainer mc, Minecraft game) { FMLLog.log(mc.getModId(), Level.FINE, "Handling post startup activities for ModLoader mod %s", mc.getModId()); BaseMod mod = (BaseMod) mc.getMod(); Map<Class<? extends Entity>, Render> renderers = Maps.newHashMap(RenderManager.field_78727_a.field_78729_o); try { FMLLog.log(mc.getModId(), Level.FINEST, "Requesting renderers from basemod %s", mc.getModId()); mod.addRenderer(renderers); FMLLog.log(mc.getModId(), Level.FINEST, "Received %d renderers from basemod %s", renderers.size(), mc.getModId()); } catch (Exception e) { FMLLog.log(mc.getModId(), Level.SEVERE, e, "A severe problem was detected with the mod %s during the addRenderer call. Continuing, but expect odd results", mc.getModId()); } MapDifference<Class<? extends Entity>, Render> difference = Maps .difference(RenderManager.field_78727_a.field_78729_o, renderers, Equivalence.identity()); for (Entry<Class<? extends Entity>, Render> e : difference.entriesOnlyOnLeft().entrySet()) { FMLLog.log(mc.getModId(), Level.WARNING, "The mod %s attempted to remove an entity renderer %s from the entity map. This will be ignored.", mc.getModId(), e.getKey().getName()); } for (Entry<Class<? extends Entity>, Render> e : difference.entriesOnlyOnRight().entrySet()) { FMLLog.log(mc.getModId(), Level.FINEST, "Registering ModLoader entity renderer %s as instance of %s", e.getKey().getName(), e.getValue().getClass().getName()); RenderingRegistry.registerEntityRenderingHandler(e.getKey(), e.getValue()); } for (Entry<Class<? extends Entity>, ValueDifference<Render>> e : difference.entriesDiffering().entrySet()) { FMLLog.log(mc.getModId(), Level.FINEST, "Registering ModLoader entity rendering override for %s as instance of %s", e.getKey().getName(), e.getValue().rightValue().getClass().getName()); RenderingRegistry.registerEntityRenderingHandler(e.getKey(), e.getValue().rightValue()); } try { mod.registerAnimation(game); } catch (Exception e) { FMLLog.log(mc.getModId(), Level.SEVERE, e, "A severe problem was detected with the mod %s during the registerAnimation call. Continuing, but expect odd results", mc.getModId()); } } public ModLoaderClientHelper(Minecraft client) { this.client = client; ModLoaderHelper.sidedHelper = this; keyBindingContainers = Multimaps.newMultimap( Maps.<ModLoaderModContainer, Collection<ModLoaderKeyBindingHandler>>newHashMap(), new Supplier<Collection<ModLoaderKeyBindingHandler>>() { @Override public Collection<ModLoaderKeyBindingHandler> get() { return Collections.singleton(new ModLoaderKeyBindingHandler()); } }); } private Minecraft client; private static Multimap<ModLoaderModContainer, ModLoaderKeyBindingHandler> keyBindingContainers; @Override public void finishModLoading(ModLoaderModContainer mc) { handleFinishLoadingFor(mc, client); } public static void registerKeyBinding(BaseModProxy mod, KeyBinding keyHandler, boolean allowRepeat) { ModLoaderModContainer mlmc = (ModLoaderModContainer) Loader.instance().activeModContainer(); ModLoaderKeyBindingHandler handler = Iterables.getOnlyElement(keyBindingContainers.get(mlmc)); handler.setModContainer(mlmc); handler.addKeyBinding(keyHandler, allowRepeat); KeyBindingRegistry.registerKeyBinding(handler); } @Override public Object getClientGui(BaseModProxy mod, EntityPlayer player, int ID, int x, int y, int z) { return ((net.minecraft.src.BaseMod) mod).getContainerGUI((EntityClientPlayerMP) player, ID, x, y, z); } @Override public Entity spawnEntity(BaseModProxy mod, EntitySpawnPacket input, EntityRegistration er) { return ((net.minecraft.src.BaseMod) mod).spawnEntity(er.getModEntityId(), client.field_71441_e, input.scaledX, input.scaledY, input.scaledZ); } @Override public void sendClientPacket(BaseModProxy mod, Packet250CustomPayload packet) { ((net.minecraft.src.BaseMod) mod).clientCustomPayload(client.field_71439_g.field_71174_a, packet); } private Map<INetworkManager, NetHandler> managerLookups = new MapMaker().weakKeys().weakValues().makeMap(); @Override public void clientConnectionOpened(NetHandler netClientHandler, INetworkManager manager, BaseModProxy mod) { managerLookups.put(manager, netClientHandler); ((BaseMod) mod).clientConnect((NetClientHandler) netClientHandler); } @Override public boolean clientConnectionClosed(INetworkManager manager, BaseModProxy mod) { if (managerLookups.containsKey(manager)) { ((BaseMod) mod).clientDisconnect((NetClientHandler) managerLookups.get(manager)); return true; } return false; } }