fix: add missing lwjgl2 function asminjector

Should fix SoundPhysics in older versions

lwjgl2_methods_injector/.gitignore

@@ -0,0 +1 @@
+/build

lwjgl2_methods_injector/build.gradle

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+plugins {
+    id 'java-library'
+    id("com.gradleup.shadow") version "9.2.2"
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+jar {
+    archiveBaseName.set("lwjgl2_methods_injector")
+    manifest {
+        attributes("Manifest-Version": "1.0",
+                "PreMain-Class": "org.angelauramc.lwjgl2_methods_injector.startInjectors",
+                "Can-Redefine-Classes": "true")
+    }
+    if (gitUsed()){
+      File versionFile = file("../app_pojavlauncher/src/main/assets/components/lwjgl2_methods_injector/version")
+      versionFile.write(getGitHash(project.projectDir))
+    }
+    destinationDirectory.set(file("../app_pojavlauncher/src/main/assets/components/lwjgl2_methods_injector/"))
+}
+
+dependencies {
+    implementation group: 'org.ow2.asm', name: 'asm', version: '9.9'
+}

lwjgl2_methods_injector/src/main/java/org/angelauramc/lwjgl2_methods_injector/ALC10Injector.java

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+package org.angelauramc.lwjgl2_methods_injector;
+
+import static org.objectweb.asm.Opcodes.*;
+
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.MethodVisitor;
+
+import java.lang.instrument.ClassFileTransformer;
+import java.lang.instrument.Instrumentation;
+import java.security.ProtectionDomain;
+
+public class ALC10Injector extends ClassVisitor implements ClassFileTransformer {
+    protected ALC10Injector(int api) {
+        super(api);
+    }
+
+    public static void premain(String args, Instrumentation inst) {
+        inst.addTransformer(new ClassFileTransformer() {
+            public byte[] transform(ClassLoader l, String name, Class c,
+                                    ProtectionDomain d, byte[] b) {
+                if (!"org/lwjgl/openal/ALC10".equals(name)) {
+                    return null;
+                }
+                System.out.println("Modifying ALC10 for LWJGL2 compatibility...");
+                ClassReader cr = new ClassReader(b);
+                ClassWriter cw = new ClassWriter(cr, 0);
+                ClassVisitor cv = new AddMethodAdapter(cw);
+                cr.accept(cv, 0);
+                return cw.toByteArray();
+            }
+        });
+
+    }
+
+    public static class AddMethodAdapter extends ClassVisitor {
+        public AddMethodAdapter(ClassVisitor cv) {
+            super(ASM4, cv);
+        }
+        public void visitEnd() {
+            // Create the method: public static ALCcontext alcGetCurrentContext()
+            MethodVisitor mv = cv.visitMethod(
+                    ACC_PUBLIC | ACC_STATIC,                        // method modifiers
+                    "alcGetCurrentContext",                         // method name
+                    "()Lorg/lwjgl/openal/ALCcontext;",              // descriptor (return type)
+                    null,                                           // signature
+                    null                                            // exceptions
+            );
+
+            mv.visitCode();
+
+            // GETSTATIC org/lwjgl/openal/ALC10.alcContext : Lorg/lwjgl/openal/ALCcontext;
+            mv.visitFieldInsn(
+                    GETSTATIC,
+                    "org/lwjgl/openal/ALC10",                       // owner (this class)
+                    "alcContext",                                   // field name
+                    "Lorg/lwjgl/openal/ALCcontext;"                 // field type descriptor
+            );
+
+            // Return it
+            mv.visitInsn(ARETURN);
+
+            // Stack size = 1 (field value), locals = 0 (static method)
+            mv.visitMaxs(1, 0);
+            mv.visitEnd();
+
+            super.visitEnd();
+        }
+    }
+}
+

lwjgl2_methods_injector/src/main/java/org/angelauramc/lwjgl2_methods_injector/startInjectors.java

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+package org.angelauramc.lwjgl2_methods_injector;
+
+import java.lang.instrument.Instrumentation;
+
+public class startInjectors {
+    public static void premain(String args, Instrumentation inst) {
+        ALC10Injector.premain(args, inst);
+    }
+}