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