From 0fe31432be0fdbbd7a4393fd261e24a97e304774 Mon Sep 17 00:00:00 2001
From: WarmUpTill <19472752+WarmUpTill@users.noreply.github.com>
Date: Thu, 10 Apr 2025 19:08:07 +0200
Subject: [PATCH] Add "previous scene" to the "scene has (not) changed" checks

---
 plugins/base/macro-condition-scene.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/plugins/base/macro-condition-scene.cpp b/plugins/base/macro-condition-scene.cpp
index c0e8de17..6ceba250 100644
--- a/plugins/base/macro-condition-scene.cpp
+++ b/plugins/base/macro-condition-scene.cpp
@@ -94,11 +94,15 @@ bool MacroConditionScene::CheckCondition()
 		SetVariableValue(GetWeakSourceName(GetCurrentScene()));
 		SetTempVarValue("current",
 				GetWeakSourceName(GetCurrentScene()));
+		SetTempVarValue("previous",
+				GetWeakSourceName(GetPreviousScene()));
 		return sceneChanged;
 	case Type::NOT_CHANGED:
 		SetVariableValue(GetWeakSourceName(GetCurrentScene()));
 		SetTempVarValue("current",
 				GetWeakSourceName(GetCurrentScene()));
+		SetTempVarValue("previous",
+				GetWeakSourceName(GetPreviousScene()));
 		return !sceneChanged;
 	case Type::CURRENT_PATTERN: {
 		auto scene = getCurrentSceneHelper(_useTransitionTargetScene);
@@ -212,8 +216,6 @@ void MacroConditionScene::SetupTempVars()
 	MacroCondition::SetupTempVars();
 	switch (_type) {
 	case Type::CURRENT:
-	case Type::CHANGED:
-	case Type::NOT_CHANGED:
 	case Type::CURRENT_PATTERN:
 		AddTempvar("current",
 			   obs_module_text(
@@ -231,6 +233,15 @@ void MacroConditionScene::SetupTempVars()
 			   obs_module_text(
 				   "AdvSceneSwitcher.tempVar.scene.preview"));
 		break;
+	case Type::CHANGED:
+	case Type::NOT_CHANGED:
+		AddTempvar("current",
+			   obs_module_text(
+				   "AdvSceneSwitcher.tempVar.scene.current"));
+		AddTempvar("previous",
+			   obs_module_text(
+				   "AdvSceneSwitcher.tempVar.scene.previous"));
+		break;
 	default:
 		break;
 	}