feat(nova): pro unlock

src/main/kotlin/dropped/patches/nova/prime/fingerprints/UnlockPrimeFingerprint.kt

@@ -0,0 +1,16 @@
+package app.revanced.patches.nova.prime.fingerprints
+
+import app.revanced.patcher.fingerprint.MethodFingerprint
+import org.jf.dexlib2.Opcode
+
+object UnlockPrimeFingerprint : MethodFingerprint(
+    "V",
+    opcodes = listOf(
+        Opcode.IPUT_OBJECT,
+        Opcode.CONST_STRING,
+        Opcode.CONST_4,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT
+    ),
+    strings = listOf("1")
+)

src/main/kotlin/dropped/patches/nova/prime/patch/UnlockPrimePatch.kt

@@ -0,0 +1,45 @@
+package app.revanced.patches.nova.prime.patch
+
+import app.revanced.patcher.patch.PatchException
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patches.nova.prime.fingerprints.UnlockPrimeFingerprint
+import org.jf.dexlib2.builder.instruction.BuilderInstruction11x
+
+@Patch(
+    name = "Unlock prime",
+    description = "Unlocks Nova Prime and all functions of the app.",
+    compatiblePackages = [CompatiblePackage("com.teslacoilsw.launcher")]
+)
+object UnlockPrimePatch : BytecodePatch(
+    setOf(
+        UnlockPrimeFingerprint
+    )
+) {
+    private companion object {
+        // Any value except 0 unlocks prime, but 512 is needed for a protection mechanism
+        // which would reset the preferences if the value on disk had changed after a restart.
+        const val PRIME_STATUS: Int = 512
+    }
+
+    override fun execute(context: BytecodeContext): PatchResult {
+        UnlockPrimeFingerprint.result?.apply {
+            val insertIndex = scanResult.patternScanResult!!.endIndex + 1
+
+            val primeStatusRegister =
+                (mutableMethod.implementation!!.instructions[insertIndex - 1] as BuilderInstruction11x).registerA
+
+            mutableMethod.addInstruction(
+                insertIndex,
+                """
+                    const/16 v$primeStatusRegister, $PRIME_STATUS
+                """
+            )
+        } ?: return UnlockPrimeFingerprint.PatchException()
+
+        return PatchResult()
+    }
+}