Basic pathfinding

engine/breeze/utils/heap.c

@@ -36,6 +36,10 @@ void *_bzHeapNew(i32 startCapacity, i32 stride, i32 weightOffset) {
 void _bzHeapFree(void *heap) {
     bzFree(HEAP_HEAD(heap));
 }
+void _bzHeapReset(void *heap) {
+    BzHeap *head = HEAP_HEAD(heap);
+    head->size = 0;
+}
 
 i32 _bzHeapSize(void *heap) {
     return HEAP_HEAD(heap)->size;