Restructure files

game/pathfinding.h

@@ -0,0 +1,30 @@
+#ifndef PIXELDEFENSE_PATHFINDING_H
+#define PIXELDEFENSE_PATHFINDING_H
+
+#include <breeze.h>
+
+#include "components.h"
+
+typedef struct PathMove {
+    i8 x;
+    i8 y;
+} PathMove;
+
+typedef struct PathNode {
+    i32 weight; // g + h
+    i32 gCost; // from start cost
+    i32 hCost; // to target cost
+    TilePosition pos;
+} PathNode;
+
+typedef struct PathfindingDesc {
+    TilePosition start;
+    TilePosition target;
+    BzTileMap *map;
+    PathNode *heap;
+    Path *outPath;
+} PathfindingDesc;
+
+bool findPath(const PathfindingDesc *desc);
+
+#endif //PIXELDEFENSE_PATHFINDING_H