Implementing ECS SystemBase and updating slang

src/Engine/Scene/Component/Camera.h

@@ -0,0 +1,54 @@
+#pragma once
+#include "Component.h"
+#include "Math/Matrix.h"
+#include "Graphics/GraphicsResources.h"
+#include "Transform.h"
+
+namespace Seele
+{
+namespace Component
+{
+struct Camera
+{
+    REQUIRE_COMPONENT(Transform)
+    
+    Camera();
+    ~Camera();
+
+    Math::Matrix4 getViewMatrix()
+    {
+        assert (!bNeedsViewBuild);
+        return viewMatrix;
+    }
+    Math::Matrix4 getProjectionMatrix()
+    {
+        assert (!bNeedsProjectionBuild);
+        return projectionMatrix;
+    }
+    Math::Vector getCameraPosition()
+    {
+        return getTransform().getPosition();
+    }
+    void setViewport(Gfx::PViewport viewport);
+    void mouseMove(float deltaX, float deltaY);
+    void mouseScroll(float x);
+    void moveX(float amount);
+    void moveY(float amount);
+    float aspectRatio;
+    float fieldOfView;
+    void buildViewMatrix();
+    void buildProjectionMatrix();
+private:
+    bool bNeedsViewBuild;
+    bool bNeedsProjectionBuild;
+
+    Gfx::PViewport viewport;
+
+    //Transforms relative to actor
+    Math::Matrix4 viewMatrix;
+    Math::Matrix4 projectionMatrix;
+    float yaw;
+    float pitch;
+};
+} // namespace Component
+} // namespace Seele