ForgePatch/src/main/java/net/minecraftforge/fml/common/registry/ItemStackHolderInjector.java

101 lines
3.4 KiB
Java

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