1 files changed, 46 insertions, 0 deletions

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+#ifndef MAP_COLLISION_H
+#define MAP_COLLISION_H
+
+#include "entity.h"
+#include <list>
+
+class Map;
+class Game;
+
+class MapCollisionComponent : public Component {
+  public:
+    MapCollisionComponent(const Map& map);
+    void detectCollision(Game& game, Entity& entity, Entity& collider, std::pair<double, double> old_position);
+    
+  private:
+    enum class Direction {
+      up, left, down, right
+    };
+
+    struct Collision {
+      enum class Type {
+        wall,
+        wrap,
+        teleport,
+        reverse,
+        platform,
+        danger
+      };
+      
+      double axis;
+      double lower;
+      double upper;
+      Type type;
+    };
+    
+    void addCollision(double axis, double lower, double upper, Direction dir, Collision::Type type);
+    void processCollision(Game& game, Entity& collider, Collision collision, Direction dir, std::pair<double, double> old_position);
+    
+    std::list<Collision> left_collisions;
+    std::list<Collision> right_collisions;
+    std::list<Collision> up_collisions;
+    std::list<Collision> down_collisions;
+    const Map& map;
+};
+
+#endif