Basic pathfinding

engine/CMakeLists.txt

@@ -32,6 +32,7 @@ set(BreezeSources
         breeze/core/memory.c
         breeze/core/module_system.c
 
+        breeze/utils/heap.c
         breeze/map/map.c
         breeze/map/tileset.c
 
@@ -47,7 +48,6 @@ set(BreezeHeaders
         breeze/map/map.h
         breeze/map/tileset.h
 
-        breeze/utils/heap.c
         breeze/utils/heap.h
         breeze/utils/string.h
         breeze/utils/tokenizer.h

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;

engine/breeze/utils/heap.h

@@ -5,6 +5,7 @@
 
 void *_bzHeapNew(i32 startCapacity, i32 stride, i32 weightOffset);
 void _bzHeapFree(void *heap);
+void _bzHeapReset(void *heap);
 
 i32 _bzHeapSize(void *heap);
 bool _bzHeapIsEmpty(void *heap);
@@ -14,14 +15,15 @@ i32 _bzHeapPushTmpIdx(void *heap);
 
 #define bzHeapNew(T, n) (T *) ((T *)_bzHeapNew((n), sizeof(T), offsetof(T, weight)))
 #define bzHeapFree(heap) _bzHeapFree((void *) (heap))
+#define bzHeapReset(heap) _bzHeapReset((void *) (heap))
 
 #define bzHeapSize(heap) _bzHeapSize((void *) (heap))
 #define bzHeapIsEmpty(heap) _bzHeapIsEmpty((void *) (heap))
 #define bzHeapPop(heap) ((heap)[_bzHeapPop((void *) (heap))])
-#define bzHeapPush(heap, item) do {             \
-    void *h = (void *) (heap);                  \
-    (heap)[_bzHeapPushTmpIdx(h)] = (item);      \
-    _bzHeapPush(h);                             \
+#define bzHeapPush(heap, ...) do {                  \
+    void *h = (void *) (heap);                      \
+    (heap)[_bzHeapPushTmpIdx(h)] = (__VA_ARGS__);   \
+    _bzHeapPush(h);                                 \
 } while(0)