proper collision

include/collision.hpp

@@ -0,0 +1,32 @@
+#pragma once
+#include "map.hpp"
+#include <SDL.h>
+#include <map>
+
+struct PCollisionRect {
+  SDL_Rect rect;
+};
+
+struct PCollisionInfo {
+  bool isSolid = false;
+};
+
+struct PCollisionDatabase {
+  std::map<std::string, PCollisionInfo> tileInfo;
+};
+
+/*
+ * Called once, generates a list of tiles which are solid, and which ones are
+ * not solid
+ */
+void PPopulateCollisionDb();
+
+/*
+ * Check if we can move to the given position in the map
+ */
+bool PCanMoveTo(int x, int y);
+
+/*
+ * Build a list of PCollisionRects from the given map
+ */
+void PBuildCollisionFromMap(Map *map);