Add heap data structure

engine/tests/CMakeLists.txt

@@ -7,3 +7,6 @@ target_link_libraries(window_test LINK_PRIVATE Breeze)
 
 add_executable(cute_tiled_test cute_tiled_test.c)
 target_link_libraries(cute_tiled_test LINK_PRIVATE Breeze)
+
+add_executable(heap_test heap_test.c)
+target_link_libraries(heap_test LINK_PRIVATE Breeze)

engine/tests/heap_test.c

@@ -0,0 +1,36 @@
+#include <breeze.h>
+
+#include <stdio.h>
+
+int main() {
+    bzLoggerInit();
+    typedef struct Node {
+        i32 weight;
+    } Node;
+
+    Node *heap = bzHeapNew(Node, 20);
+    bzHeapPush(heap, (Node) {3});
+    bzHeapPush(heap, (Node) {2});
+    bzHeapPush(heap, (Node) {1});
+    bzHeapPush(heap, (Node) {15});
+    bzHeapPush(heap, (Node) {2});
+    bzHeapPush(heap, (Node) {8});
+    bzHeapPush(heap, (Node) {10});
+
+    bzHeapPop(heap);
+
+    for (int i = 0; i < bzHeapSize(heap); i++) {
+        printf("%d ", heap[i].weight);
+    }
+    printf("\n\n");
+
+    while (!bzHeapIsEmpty(heap)) {
+        Node node = bzHeapPop(heap);
+        printf("%d\n", node.weight);
+    }
+
+    bzHeapFree(heap);
+
+
+    return 0;
+}