Added camera system

1 files changed, 38 insertions, 0 deletions

@@ -0,0 +1,38 @@
+#ifndef CAMERA_SYSTEM_H_D52ADAD3
+#define CAMERA_SYSTEM_H_D52ADAD3
+
+#include "consts.h"
+#include "system.h"
+#include "vector.h"
+
+class Game;
+
+class CameraSystem : public System {
+public:
+
+  static constexpr SystemKey Key = SystemKey::Camera;
+
+  CameraSystem(Game& game) : game_(game) {}
+
+  const vec2i& getCameraPosition() const { return pos_; }
+
+  const vec2i& getFieldOfView() const { return fov_; }
+
+  void setFollowingSprite(int spriteId) { followingSprite_ = spriteId; }
+
+  void lockCamera() { locked_ = true; }
+
+  void unlockCamera() { locked_ = false; }
+
+  void tick(double dt) override;
+
+private:
+  Game& game_;
+
+  vec2i pos_;
+  vec2i fov_ { CANVAS_WIDTH, CANVAS_HEIGHT };
+  int followingSprite_;
+  bool locked_ = true;
+};
+
+#endif /* end of include guard: CAMERA_SYSTEM_H_D52ADAD3 */