From 585fff7683515ce2a7a30566b3a478c8afbd6d4f Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Fri, 2 Jul 2021 11:35:08 +0300
Subject: [PATCH] Add app:scene_manager interface

---
 libs/app/include/psemek/app/app.hpp           |  7 ++++---
 libs/app/include/psemek/app/scene_manager.hpp | 19 +++++++++++++++++++
 2 files changed, 23 insertions(+), 3 deletions(-)
 create mode 100644 libs/app/include/psemek/app/scene_manager.hpp

diff --git a/libs/app/include/psemek/app/app.hpp b/libs/app/include/psemek/app/app.hpp
index 72ec4f16..6fb395d0 100644
--- a/libs/app/include/psemek/app/app.hpp
+++ b/libs/app/include/psemek/app/app.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <psemek/app/scene.hpp>
+#include <psemek/app/scene_manager.hpp>
 
 #include <psemek/util/pimpl.hpp>
 
@@ -12,7 +13,7 @@ namespace psemek::app
 {
 
 	struct app
-		: scene_base
+		: scene_base, scene_manager
 	{
 		struct options
 		{
@@ -36,8 +37,8 @@ namespace psemek::app
 		void poll_events();
 		void run();
 
-		void push_scene(std::unique_ptr<scene> s);
-		std::unique_ptr<scene> pop_scene();
+		void push_scene(std::unique_ptr<scene> s) override;
+		std::unique_ptr<scene> pop_scene() override;
 
 		void show_cursor(bool show);
 		void vsync(bool on);
diff --git a/libs/app/include/psemek/app/scene_manager.hpp b/libs/app/include/psemek/app/scene_manager.hpp
new file mode 100644
index 00000000..eb1ac795
--- /dev/null
+++ b/libs/app/include/psemek/app/scene_manager.hpp
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <psemek/app/scene.hpp>
+
+#include <memory>
+
+namespace psemek::app
+{
+
+	struct scene_manager
+	{
+		virtual void push_scene(std::unique_ptr<scene>) = 0;
+		virtual std::unique_ptr<scene> pop_scene() = 0;
+
+		virtual ~scene_manager() {}
+	};
+
+
+}