Adding basic keyboard input

src/Engine/System/KeyboardInput.h

@@ -0,0 +1,31 @@
+#pragma once
+#include "ComponentSystem.h"
+#include "Component/KeyboardInput.h"
+
+namespace Seele
+{
+namespace System
+{
+class KeyboardInput : public ComponentSystem<Component::KeyboardInput>
+{
+public:
+    KeyboardInput(PScene scene);
+    virtual ~KeyboardInput();
+    virtual void update(Component::KeyboardInput& input) override;
+    void keyCallback(KeyCode code, InputAction action, KeyModifier modifier);
+    void mouseCallback(double xPos, double yPos);
+    void mouseButtonCallback(MouseButton button, InputAction action, KeyModifier modifier);
+private:
+    Seele::StaticArray<bool, (size_t)KeyCode::KEY_LAST> keys;
+    bool mouse1 = false;
+    bool mouse2 = false;
+    float lastMouseX = 0;
+    float lastMouseY = 0;
+    float mouseX = 0;
+    float mouseY = 0;
+    float deltaX = 0;
+    float deltaY = 0;
+};
+DEFINE_REF(KeyboardInput)
+}
+}