EditorWidgetSystem that takes care of moving widgets around

include/Engine/Core/System.h

@@ -34,7 +34,7 @@ protected:
 
     const std::string m_ComponentType;
 
-    virtual void UpdateComponent(EntityWrapper& entity, ComponentWrapper& cUniformScale, double dt) = 0;
+    virtual void UpdateComponent(EntityWrapper& entity, ComponentWrapper& cComponent, double dt) = 0;
 };
 
 class ImpureSystem : public virtual System

include/Engine/Editor/EditorWidgetSystem.h

@@ -1,6 +1,41 @@
 #ifndef EditorWidgetSystem_h__
 #define EditorWidgetSystem_h__
 
+#include <imgui/imgui.h>
+#include "../GLM.h"
+#include "../Core/System.h"
+#include "../Rendering/IRenderer.h"
+#include "../Rendering/Util/ScreenCoords.h"
+#include "../Core/EMouseMove.h"
+#include "../Core/EMousePress.h"
+#include "../Core/EMouseRelease.h"
 
+class EditorWidgetSystem : public ImpureSystem, PureSystem
+{
+public:
+    EditorWidgetSystem(World* world, EventBroker* eventBroker, IRenderer* renderer);
+
+    virtual void Update(double dt) override;
+    virtual void UpdateComponent(EntityWrapper& entity, ComponentWrapper& cEditorWidget, double dt) override;
+
+    void debugPrintVector(const char* name, glm::vec3 axisNDC);
+
+    void debugPrintVector(const char* name, glm::vec4 axisNDC);
+    void debugPrintVector(const char* name, glm::vec2 axisNDC);
+private:
+    IRenderer* m_Renderer;
+
+    // State
+    EntityWrapper m_PickEntity = EntityWrapper::Invalid;
+    PickData m_PickData;
+    glm::vec2 m_MouseDelta;
+
+    EventRelay<EditorWidgetSystem, Events::MouseMove> m_EMouseMove;
+    bool OnMouseMove(const Events::MouseMove& e);
+    EventRelay<EditorWidgetSystem, Events::MousePress> m_EMousePress;
+    bool OnMousePress(const Events::MousePress& e);
+    EventRelay<EditorWidgetSystem, Events::MouseRelease> m_EMouseRelease;
+    bool OnMouseRelease(const Events::MouseRelease& e);
+};
 
 #endif

include/Engine/GLM.h

@@ -7,4 +7,5 @@
 #include <glm/gtx/rotate_vector.hpp>
 #include <glm/gtc/quaternion.hpp>
 #include <glm/gtx/quaternion.hpp>
-#include <glm/gtc/type_ptr.hpp>
+#include <glm/gtc/type_ptr.hpp>
+#include <glm/gtx/projection.hpp>