feat: add pauzing of the running game

destrum/include/destrum/App.h

@@ -55,7 +55,9 @@ public:
     virtual void onPlayModeChanged(bool) {}
 
     [[nodiscard]] bool isPlaying() const { return playing; }
+    [[nodiscard]] bool isPaused() const { return paused; }
     void requestPlayModeToggle() { playModeToggleRequested = true; }
+    void setPaused(bool pause);
 
     virtual void customWindowsMenu() {}
 
@@ -75,7 +77,6 @@ protected:
     bool cleanedUp{false};
     bool cleaningUp{false};
     bool customInitStarted{false};
-    bool gamePaused{false};
 
     bool frameLimit{false};
     float frameTime{0.f};
@@ -110,6 +111,8 @@ private:
     void exitPlayMode();
 
     bool playing{true};
+    bool paused{false};
+    bool mouseCapturedBeforePause{false};
     bool playModeToggleRequested{false};
     std::optional<nlohmann::json> editSnapshot;
     std::weak_ptr<Scene> editScene;

destrum/include/destrum/Scene/SceneManager.h

@@ -20,6 +20,8 @@ public:
 
     void SetPlaying(bool playing) { m_playing = playing; }
     [[nodiscard]] bool IsPlaying() const { return m_playing; }
+    void SetPaused(bool paused) { m_paused = paused; }
+    [[nodiscard]] bool IsPaused() const { return m_paused; }
 
     void Update(float dt);
     void FixedUpdate(float dt);
@@ -55,7 +57,11 @@ private:
 
     std::vector<std::shared_ptr<Scene>> m_activeScenes;
     std::vector<std::shared_ptr<Scene>> m_scenes;
+
+    [[nodiscard]] bool IsTicking() const { return m_playing && !m_paused; }
+
     bool m_playing{true};
+    bool m_paused{false};
 };
 
 #endif //SCENEMANAGER_H