Properly link flecs library

engine/libs/flecs/src/poly.h

@@ -0,0 +1,95 @@
+/**
+ * @file poly.h
+ * @brief Functions for managing poly objects.
+ */
+
+#ifndef FLECS_POLY_H
+#define FLECS_POLY_H
+
+#include <stddef.h>
+
+/* Initialize poly */
+void* ecs_poly_init_(
+    ecs_poly_t *object,
+    int32_t kind,
+    ecs_size_t size,
+    ecs_mixins_t *mixins);
+
+#define ecs_poly_init(object, type)\
+    ecs_poly_init_(object, type##_magic, sizeof(type), &type##_mixins)
+
+/* Deinitialize object for specified type */
+void ecs_poly_fini_(
+    ecs_poly_t *object,
+    int32_t kind);
+
+#define ecs_poly_fini(object, type)\
+    ecs_poly_fini_(object, type##_magic)
+
+/* Utility functions for creating an object on the heap */
+#define ecs_poly_new(type)\
+    (type*)ecs_poly_init(ecs_os_calloc_t(type), type)
+
+#define ecs_poly_free(obj, type)\
+    ecs_poly_fini(obj, type);\
+    ecs_os_free(obj)
+
+/* Get or create poly component for an entity */
+EcsPoly* ecs_poly_bind_(
+    ecs_world_t *world,
+    ecs_entity_t entity,
+    ecs_entity_t tag);
+
+#define ecs_poly_bind(world, entity, T) \
+    ecs_poly_bind_(world, entity, T##_tag)
+
+void ecs_poly_modified_(
+    ecs_world_t *world,
+    ecs_entity_t entity,
+    ecs_entity_t tag);
+
+#define ecs_poly_modified(world, entity, T) \
+    ecs_poly_modified_(world, entity, T##_tag)
+
+/* Get poly component for an entity */
+const EcsPoly* ecs_poly_bind_get_(
+    const ecs_world_t *world,
+    ecs_entity_t entity,
+    ecs_entity_t tag);
+
+#define ecs_poly_bind_get(world, entity, T) \
+    ecs_poly_bind_get_(world, entity, T##_tag)
+
+ecs_poly_t* ecs_poly_get_(
+    const ecs_world_t *world,
+    ecs_entity_t entity,
+    ecs_entity_t tag);
+
+#define ecs_poly_get(world, entity, T) \
+    ((T*)ecs_poly_get_(world, entity, T##_tag))
+
+/* Utilities for testing/asserting an object type */
+#ifndef FLECS_NDEBUG
+#define ecs_poly_assert(object, ty)\
+    do {\
+        ecs_assert(object != NULL, ECS_INVALID_PARAMETER, NULL);\
+        const ecs_header_t *hdr = (const ecs_header_t *)object;\
+        const char *type_name = hdr->mixins->type_name;\
+        ecs_assert(hdr->magic == ECS_OBJECT_MAGIC, ECS_INVALID_PARAMETER, type_name);\
+        ecs_assert(hdr->type == ty##_magic, ECS_INVALID_PARAMETER, type_name);\
+    } while (0)
+#else
+#define ecs_poly_assert(object, ty)
+#endif
+
+/* Utility functions for getting a mixin from an object */
+ecs_iterable_t* ecs_get_iterable(
+    const ecs_poly_t *poly);
+
+ecs_observable_t* ecs_get_observable(
+    const ecs_poly_t *object);
+
+ecs_poly_dtor_t* ecs_get_dtor(
+    const ecs_poly_t *poly);
+
+#endif