Another sledgehammer (#45)

src/main/java/com/mitchej123/hodgepodge/asm/BibliocraftTransformer.java

@@ -0,0 +1,45 @@
+package com.mitchej123.hodgepodge.asm;
+
+import com.mitchej123.hodgepodge.Hodgepodge;
+import net.minecraft.launchwrapper.IClassTransformer;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.tree.ClassNode;
+import org.objectweb.asm.tree.InsnList;
+import org.objectweb.asm.tree.InsnNode;
+import org.objectweb.asm.tree.MethodNode;
+
+import static org.objectweb.asm.Opcodes.ASM5;
+
+public class BibliocraftTransformer implements IClassTransformer {
+ @Override
+ public byte[] transform(String name, String transformedName, byte[] basicClass) {
+ if ("jds.bibliocraft.blocks.BlockLoader".equals(transformedName) ||
+ "jds.bibliocraft.items.ItemLoader".equals(transformedName)) {
+ Hodgepodge.log.info("Patching Bibliocraft {}", transformedName);
+ final ClassReader cr = new ClassReader(basicClass);
+ final ClassWriter cw = new ClassWriter(0);
+
+ final ClassNode cn = new ClassNode(ASM5);
+ cr.accept(cn, 0);
+ for (MethodNode m : cn.methods) {
+ if ("addRecipies".equals(m.name)) {
+ Hodgepodge.log.info("Taking a sledgehammer to {}.addRecipies()", transformedName);
+ //Replace the body with a RETURN opcode
+ InsnList insnList = new InsnList();
+ insnList.add(new InsnNode(Opcodes.RETURN));
+ m.instructions = insnList;
+ m.localVariables.clear();
+ m.maxStack = 0;
+ m.maxLocals = 0;
+ }
+ }
+ cn.accept(cw);
+ return cw.toByteArray();
+ }
+ else {
+ return basicClass;
+ }
+ }
+}

src/main/java/com/mitchej123/hodgepodge/asm/HodgePodgeASMLoader.java

@@ -46,7 +46,9 @@ public enum AsmTransformers {
  THERMOS_SLEDGEHAMMER_FURNACE_FIX("Take a sledgehammer to CraftServer.resetRecipes() to prevent it from breaking our Furnace Fix", 
  ()-> Hodgepodge.thermosTainted && Hodgepodge.config.speedupVanillaFurnace,
  Collections.singletonList("com.mitchej123.hodgepodge.asm.ThermosFurnaceSledgeHammer")
- )
+ ),
+ BIBLIOCRAFT_RECIPE_SLEDGEHAMMER("Remove recipes from Bibliocraft BlockLoader and Itemloader : addRecipies()", () -> Hodgepodge.config.biblocraftRecipes,
+ Collections.singletonList("com.mitchej123.hodgepodge.asm.BibliocraftTransformer"))
  ;
 
  private final String name;

src/main/java/com/mitchej123/hodgepodge/core/LoadingConfig.java

@@ -40,11 +40,13 @@ public class LoadingConfig {
  public boolean speedupProgressBar;
  public boolean fixUrlDetection;
  public boolean speedupVanillaFurnace;
+
  // ASM
  public boolean pollutionAsm;
  public boolean cofhWorldTransformer;
  public boolean enableTileRendererProfiler;
-
+ public boolean biblocraftRecipes;
+
  public String thermosCraftServerClass;
 
 
@@ -96,7 +98,8 @@ public LoadingConfig(File file) {
  speedupProgressBar = config.get("asm", "speedupProgressBar", true, "Speedup progressbar").getBoolean();
  pollutionAsm = config.get("asm", "pollutionAsm", true, "Enable pollution rendering ASM").getBoolean();
  cofhWorldTransformer = config.get("asm", "cofhWorldTransformer", true, "Enable Glease's ASM patch to disable unused CoFH tileentity cache").getBoolean();
-
+ biblocraftRecipes = config.get("asm", "biblocraftRecipes", true, "Remove recipe generation from BiblioCraft").getBoolean();
+
  thermosCraftServerClass = config.get("asm", "thermosCraftServerClass", "org.bukkit.craftbukkit.v1_7_R4.CraftServer", "If using Bukkit/Thermos, the CraftServer package.").getString();
 
  if (config.hasChanged())