Add Input class

- Add Input class used to poll mouse and key button states
- Add additional example systems to the Scene

CopiumEngine/src/copium/event/Input.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <vector>
+
+#include "copium/event/InputCode.h"
+
+#include <glm/glm.hpp>
+
+namespace Copium
+{
+  class Input
+  {
+  private:
+    const static int MAX_NUM_KEYS = 1024;
+    const static int MAX_NUM_MOUSE_BUTTONS = 64;
+
+    static bool keyDownList[MAX_NUM_KEYS];
+    static bool keyEventList[MAX_NUM_KEYS];
+    static bool mouseDownList[MAX_NUM_MOUSE_BUTTONS];
+    static bool mouseEventList[MAX_NUM_MOUSE_BUTTONS];
+    static glm::vec2 mousePos;
+
+  public:
+    // Will only be true for a single frame after the KeyPressEvent/KeyReleaseEvent
+    static bool IsKeyPressed(int key);
+    static bool IsKeyReleased(int key);
+
+    static bool IsKeyDown(int key);
+    static bool IsKeyUp(int key);
+
+    // Will only be true for a single frame after the MousePressEvent/MouseReleaseEvent
+    static bool IsMousePressed(int button);
+    static bool IsMouseReleased(int button);
+
+    static bool IsMouseDown(int button);
+    static bool IsMouseUp(int button);
+
+    static glm::vec2 GetMousePos();
+
+    static void OnKey(int keyCode, bool pressed);
+    static void OnMouse(int buttion, bool pressed);
+    static void OnMouseMove(glm::vec2 mousePos);
+
+    static void Update();
+  };
+}