/**
* Copyright 2010 by Benjamin J. Land (a.k.a. BenLand100)
*
* This file is part of the SMART Minimizing Autoing Resource Thing (SMART)
*
* SMART is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* SMART 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with SMART. If not, see <http://www.gnu.org/licenses/>.
*/
package smart.updater.searches;
import org.apache.bcel.classfile.Method;
import org.apache.bcel.generic.*;
import org.apache.bcel.util.InstructionFinder;
import java.util.HashMap;
import java.util.Iterator;
import smart.updater.RSClient;
import smart.updater.Search;
import smart.updater.Search.SearchResult;
/**
* Finds the MapAngle hook, and nothing else. This just happened to be an easy
* accurate hook.
*
* @author benland100
*/
public class MinimapAngle extends Search {
public SearchResult run(RSClient data, HashMap<String, ClassGen> classes) {
for (ClassGen c : classes.values()) {
ConstantPoolGen cpg = c.getConstantPool();
if (cpg.lookupFloat(16384.0000f) != -1) {
for (Method m : c.getMethods()) {
if (m.isStatic()) {
MethodGen gen = new MethodGen(m,c.getClassName(),cpg);
InstructionList il = gen.getInstructionList();
if (il == null) continue;
InstructionFinder f = new InstructionFinder(il);
Iterator e = f.search("GETSTATIC LDC FSUB PUTSTATIC");
if (e.hasNext()) {
InstructionHandle[] handles = (InstructionHandle[]) e.next();
data.addField("MapAngle", ((GETSTATIC)handles[0].getInstruction()).getClassName(cpg) + "." + ((GETSTATIC)handles[0].getInstruction()).getFieldName(cpg));
return SearchResult.Success;
}
}
}
}
}
return SearchResult.Failure;
}
}