feat: Initial commit

src/main/kotlin/net/revanced/patches/Index.kt

@@ -0,0 +1,11 @@
+package net.revanced.patches
+
+import net.revanced.patches.ads.VideoAds
+
+// This object contains all the patches and should be imported when using this library
+object Index {
+    // Array of patches. New patches should be added to the array
+    val patches = arrayOf(
+        VideoAds::class
+    )
+}

src/main/kotlin/net/revanced/patches/ads/VideoAds.kt

@@ -0,0 +1,40 @@
+package net.revanced.patches.ads
+
+import net.revanced.patcher.cache.Cache
+import net.revanced.patcher.patch.Patch
+import net.revanced.patcher.patch.PatchResult
+import net.revanced.patcher.patch.PatchResultError
+import net.revanced.patcher.patch.PatchResultSuccess
+import net.revanced.patcher.signature.Signature
+import net.revanced.patcher.writer.ASMWriter.insertAt
+import org.objectweb.asm.Opcodes
+import org.objectweb.asm.Type
+import org.objectweb.asm.tree.MethodInsnNode
+import org.objectweb.asm.tree.VarInsnNode
+
+class VideoAds: Patch("VideoAds") {
+    override fun execute(cache: Cache): PatchResult {
+        val showVideoAdsMethodData = cache.methods["show-video-ads"].findParentMethod(
+            Signature(
+                "method",
+                Type.VOID_TYPE,
+                Opcodes.ACC_PUBLIC or Opcodes.ACC_FINAL,
+                arrayOf(Type.BOOLEAN_TYPE),
+                null
+            )
+        ) ?: return PatchResultError("Could not find required method to patch")
+
+        showVideoAdsMethodData.method.instructions.insertAt(0,
+            VarInsnNode(Opcodes.ISTORE, 1),
+            MethodInsnNode(
+                Opcodes.INVOKESTATIC,
+                "fi/vanced/libraries/youtube/whitelisting/Whitelist",
+                "shouldShowAds",
+                Type.getMethodDescriptor(Type.BOOLEAN_TYPE)
+            )
+        )
+
+        return PatchResultSuccess()
+    }
+}
+