Convert RightClickTransformer to Kotlin

bundler/src/main/java/dev/openrs2/bundler/transform/RightClickTransformer.java

@@ -1,65 +0,0 @@
-package dev.openrs2.bundler.transform;
-
-import dev.openrs2.asm.classpath.ClassPath;
-import dev.openrs2.asm.classpath.Library;
-import dev.openrs2.asm.transform.Transformer;
-import org.objectweb.asm.Opcodes;
-import org.objectweb.asm.tree.ClassNode;
-import org.objectweb.asm.tree.FieldInsnNode;
-import org.objectweb.asm.tree.InsnList;
-import org.objectweb.asm.tree.InsnNode;
-import org.objectweb.asm.tree.MethodInsnNode;
-import org.objectweb.asm.tree.MethodNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public final class RightClickTransformer extends Transformer {
-	private static final Logger logger = LoggerFactory.getLogger(RightClickTransformer.class);
-
-	private int metaDownCalls;
-
-	@Override
-	protected void preTransform(ClassPath classPath) {
-		metaDownCalls = 0;
-	}
-
-	@Override
-	protected boolean transformCode(ClassPath classPath, Library library, ClassNode clazz, MethodNode method) {
-		for (var it = method.instructions.iterator(); it.hasNext(); ) {
-			var insn = it.next();
-			if (insn.getOpcode() != Opcodes.INVOKEVIRTUAL) {
-				continue;
-			}
-
-			var invokevirtual = (MethodInsnNode) insn;
-			if (!invokevirtual.owner.equals("java/awt/event/MouseEvent") && !invokevirtual.owner.equals("java/awt/event/InputEvent")) {
-				continue;
-			}
-
-			if (!invokevirtual.name.equals("isMetaDown")) {
-				continue;
-			}
-
-			if (!invokevirtual.desc.equals("()Z")) {
-				continue;
-			}
-
-			invokevirtual.name = "getModifiersEx";
-			invokevirtual.desc = "()I";
-
-			var list = new InsnList();
-			list.add(new FieldInsnNode(Opcodes.GETSTATIC, "java/awt/event/MouseEvent", "BUTTON3_DOWN_MASK", "I"));
-			list.add(new InsnNode(Opcodes.IAND));
-			method.instructions.insert(invokevirtual, list);
-
-			metaDownCalls++;
-		}
-
-		return false;
-	}
-
-	@Override
-	protected void postTransform(ClassPath classPath) {
-		logger.info("Replaced {} isMetaDown calls with getModifiersEx", metaDownCalls);
-	}
-}

bundler/src/main/java/dev/openrs2/bundler/transform/RightClickTransformer.kt

@@ -0,0 +1,52 @@
+package dev.openrs2.bundler.transform
+
+import com.github.michaelbull.logging.InlineLogger
+import dev.openrs2.asm.classpath.ClassPath
+import dev.openrs2.asm.classpath.Library
+import dev.openrs2.asm.transform.Transformer
+import org.objectweb.asm.Opcodes
+import org.objectweb.asm.tree.*
+
+class RightClickTransformer : Transformer() {
+    private var metaDownCalls = 0
+
+    override fun preTransform(classPath: ClassPath) {
+        metaDownCalls = 0
+    }
+
+    override fun transformCode(classPath: ClassPath, library: Library, clazz: ClassNode, method: MethodNode): Boolean {
+        for (insn in method.instructions) {
+            if (insn !is MethodInsnNode || insn.opcode != Opcodes.INVOKEVIRTUAL) {
+                continue
+            }
+
+            if (insn.owner != "java/awt/event/MouseEvent" && insn.owner != "java/awt/event/InputEvent") {
+                continue
+            }
+
+            if (insn.name != "isMetaDown" || insn.desc != "()Z") {
+                continue
+            }
+
+            insn.name = "getModifiersEx"
+            insn.desc = "()I"
+
+            val list = InsnList()
+            list.add(FieldInsnNode(Opcodes.GETSTATIC, "java/awt/event/MouseEvent", "BUTTON3_DOWN_MASK", "I"))
+            list.add(InsnNode(Opcodes.IAND))
+            method.instructions.insert(insn, list)
+
+            metaDownCalls++
+        }
+
+        return false
+    }
+
+    override fun postTransform(classPath: ClassPath) {
+        logger.info { "Replaced $metaDownCalls isMetaDown calls with getModifiersEx" }
+    }
+
+    companion object {
+        private val logger = InlineLogger()
+    }
+}