PrivateFields.java
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package com.mumfrey.liteloader.util;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.List;
import java.util.Map;
import net.minecraft.src.*;
/**
* Wrapper for obf/mcp reflection-accessed private fields, mainly added to centralise the locations I have to update the obfuscated field names
*
* @author Adam Mummery-Smith
*
* @param <P> Parent class type, the type of the class that owns the field
* @param <T> Field type, the type of the field value
*
* TODO Obfuscation - updated 1.6.2
*/
@SuppressWarnings("rawtypes")
public class PrivateFields<P, T>
{
/**
* Class to which this field belongs
*/
public final Class<P> parentClass;
/**
* MCP name for this field
*/
public final String mcpName;
/**
* Real (obfuscated) name for this field
*/
public final String name;
public final String seargeName;
/**
* Name used to access the field, determined at init
*/
private final String fieldName;
/**
* Creates a new private field entry
*
* @param owner
* @param mcpName
* @param name
*/
private PrivateFields(Class<P> owner, String mcpName, String name, String seargeName)
{
this.parentClass = owner;
this.mcpName = mcpName;
this.name = name;
this.seargeName = seargeName;
this.fieldName = ModUtilities.getObfuscatedFieldName(mcpName, name, seargeName);
}
/**
* Get the current value of this field on the instance class supplied
*
* @param instance Class to get the value of
* @return field value or null if errors occur
*/
@SuppressWarnings("unchecked")
public T get(P instance)
{
try
{
Field field = this.parentClass.getDeclaredField(this.fieldName);
field.setAccessible(true);
return (T)field.get(instance);
}
catch (Exception ex)
{
return null;
}
}
/**
* Set the value of this field on the instance class supplied
*
* @param instance Object to set the value of the field on
* @param value value to set
* @return value
*/
public T set(P instance, T value)
{
try
{
Field field = this.parentClass.getDeclaredField(this.fieldName);
field.setAccessible(true);
field.set(instance, value);
}
catch (Exception ex) { }
return value;
}
/**
* Set the value of this FINAL field on the instance class supplied
*
* @param instance Object to set the value of the field on
* @param value value to set
* @return value
*/
public T setFinal(P instance, T value)
{
try
{
Field modifiers = Field.class.getDeclaredField("modifiers");
modifiers.setAccessible(true);
Field field = this.parentClass.getDeclaredField(fieldName);
modifiers.setInt(field, field.getModifiers() & ~Modifier.FINAL);
field.setAccessible(true);
field.set(instance, value);
}
catch (Exception ex) { }
return value;
}
/**
* Static private fields
*
* @param <P> Parent class type, the type of the class that owns the field
* @param <T> Field type, the type of the field value
*/
public static final class StaticFields<P, T> extends PrivateFields<P, T>
{
@SuppressWarnings("synthetic-access")
public StaticFields(Class<P> owner, String mcpName, String name, String fmlName) { super(owner, mcpName, name, fmlName); }
public T get() { return get(null); }
public void set(T value) { set(null, value); }
public static final StaticFields<Packet, Map> packetClassToIdMap = new StaticFields<Packet, Map> (Packet.class, "packetClassToIdMap", "a", "field_73291_a"); // Packet/packetClassToIdMap
public static final StaticFields<TileEntity, Map> tileEntityNameToClassMap = new StaticFields<TileEntity, Map> (TileEntity.class, "nameToClassMap", "a", "field_70326_a"); // TileEntity/nameToClassMap
}
public static final PrivateFields<Minecraft, Timer> minecraftTimer = new PrivateFields<Minecraft, Timer> (Minecraft.class, "timer", "S", "field_71428_T"); // Minecraft/timer
public static final PrivateFields<Minecraft, Profiler> minecraftProfiler = new PrivateFields<Minecraft, Profiler> (Minecraft.class, "mcProfiler", "C", "field_71424_I"); // Minecraft/mcProfiler
public static final PrivateFields<Minecraft, List<ResourcePack>> defaultResourcePacks = new PrivateFields<Minecraft, List<ResourcePack>> (Minecraft.class, "field_110449_ao", "aq", "field_110449_ao"); // Minecraft/field_110449_ao
public static final PrivateFields<RenderManager, Map> entityRenderMap = new PrivateFields<RenderManager, Map> (RenderManager.class, "entityRenderMap", "q", "field_78729_o"); // RenderManager/entityRenderMap
public static final PrivateFields<GuiControls, GuiScreen> guiControlsParentScreen = new PrivateFields<GuiControls, GuiScreen> (GuiControls.class, "parentScreen", "b", "field_73909_b"); // GuiControls/parentScreen
public static final PrivateFields<PlayerUsageSnooper, IPlayerUsage> playerStatsCollector = new PrivateFields<PlayerUsageSnooper, IPlayerUsage>(PlayerUsageSnooper.class, "playerStatsCollector", "d", "field_76478_d"); // PlayerUsageSnooper/playerStatsCollector
}