Added camera system

1 files changed, 21 insertions, 27 deletions

@@ -1,14 +1,15 @@
 #ifndef GAME_H_E6F1396E
 #define GAME_H_E6F1396E
 
-#include <set>
+#include <list>
 #include <range/v3/all.hpp>
 #include <vector>
 #include <memory>
+#include <map>
 #include "sprite.h"
 #include "map.h"
 #include "consts.h"
-#include "transform_system.h"
+#include "system.h"
 
 struct Input {
   bool left = false;
@@ -20,7 +21,22 @@ struct Input {
 class Game {
 public:
 
-  Game() : transform_(*this) {}
+  template <typename T>
+  void emplaceSystem() {
+    systems_.push_back(std::make_unique<T>(*this));
+    systemByKey_[T::Key] = systems_.back().get();
+  }
+
+  template <typename T>
+  T& getSystem() {
+    return *dynamic_cast<T*>(systemByKey_.at(T::Key));
+  }
+
+  auto systems() {
+    return systems_ | ranges::views::transform([&] (std::unique_ptr<System>& systemPtr) -> System& {
+      return *systemPtr;
+    });
+  }
 
   int addSprite(Sprite sprite);
 
@@ -42,9 +58,6 @@ public:
     });
   }
 
-  TransformSystem& getTransformSystem() { return transform_; }
-
-
   void setSpriteState(int id, std::string state) {
     sprites_[id].setState(std::move(state));
   }
@@ -63,33 +76,14 @@ public:
 
   const Map& getMap() const { return *map_; }
 
-  // Camera
-
-  const vec2i& getCameraPosition() const { return cameraPos_; }
-
-  const vec2i& getFieldOfView() const { return cameraFov_; }
-
-  void setFollowingSprite(int spriteId) { followingSprite_ = spriteId; }
-
-  void lockCamera() { cameraLocked_ = true; }
-
-  void unlockCamera() { cameraLocked_ = false; }
-
-  void tick();
-
 private:
 
-  TransformSystem transform_;
+  std::list<std::unique_ptr<System>> systems_;
+  std::map<SystemKey, System*> systemByKey_;
 
   std::vector<int> spriteIds_;
   std::vector<Sprite> sprites_;
   std::unique_ptr<Map> map_;
-
-  // Camera
-  vec2i cameraPos_;
-  vec2i cameraFov_ { CANVAS_WIDTH, CANVAS_HEIGHT };
-  int followingSprite_;
-  bool cameraLocked_ = true;
 };
 
 #endif /* end of include guard: GAME_H_E6F1396E */