101 lines
3.4 KiB
Java
101 lines
3.4 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.fml.common.registry;
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import java.lang.reflect.Field;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import net.minecraftforge.fml.common.FMLLog;
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import net.minecraftforge.fml.common.discovery.ASMDataTable;
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import net.minecraftforge.fml.common.discovery.ASMDataTable.ASMData;
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import org.apache.logging.log4j.Level;
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import com.google.common.base.Throwables;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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public enum ItemStackHolderInjector
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{
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INSTANCE;
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private List<ItemStackHolderRef> itemStackHolders = Lists.newArrayList();
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public void inject() {
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FMLLog.getLogger().log(Level.INFO, "Injecting itemstacks");
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for (ItemStackHolderRef ishr: itemStackHolders) {
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ishr.apply();
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}
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FMLLog.getLogger().log(Level.INFO, "Itemstack injection complete");
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}
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public void findHolders(ASMDataTable table) {
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FMLLog.info("Identifying ItemStackHolder annotations");
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Set<ASMData> allItemStackHolders = table.getAll(GameRegistry.ItemStackHolder.class.getName());
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Map<String, Class<?>> classCache = Maps.newHashMap();
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for (ASMData data : allItemStackHolders)
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{
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String className = data.getClassName();
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String annotationTarget = data.getObjectName();
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String value = (String) data.getAnnotationInfo().get("value");
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int meta = data.getAnnotationInfo().containsKey("meta") ? (Integer) data.getAnnotationInfo().get("meta") : 0;
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String nbt = data.getAnnotationInfo().containsKey("nbt") ? (String) data.getAnnotationInfo().get("nbt") : "";
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addHolder(classCache, className, annotationTarget, value, meta, nbt);
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}
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FMLLog.info("Found %d ItemStackHolder annotations", allItemStackHolders.size());
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}
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private void addHolder(Map<String, Class<?>> classCache, String className, String annotationTarget, String value, Integer meta, String nbt)
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{
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Class<?> clazz;
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if (classCache.containsKey(className))
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{
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clazz = classCache.get(className);
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}
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else
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{
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try
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{
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clazz = Class.forName(className, true, getClass().getClassLoader());
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classCache.put(className, clazz);
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}
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catch (Exception ex)
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{
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// unpossible?
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throw Throwables.propagate(ex);
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}
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}
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try
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{
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Field f = clazz.getField(annotationTarget);
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itemStackHolders.add(new ItemStackHolderRef(f, value, meta, nbt));
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}
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catch (Exception ex)
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{
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// unpossible?
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throw Throwables.propagate(ex);
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}
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}
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}
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