Properly link flecs library

This commit is contained in:
2023-11-09 11:38:29 +01:00
parent dc585396c3
commit 8edcf9305c
1392 changed files with 390081 additions and 164 deletions

View File

@@ -0,0 +1,52 @@
#include <basics_deserialize.h>
#include <stdio.h>
typedef struct {
float x, y;
} Position;
int main(int argc, char *argv[]) {
ecs_world_t *ecs = ecs_init_w_args(argc, argv);
// Register component as usual
ECS_COMPONENT(ecs, Position);
// Add reflection data to component
ecs_struct(ecs, {
.entity = ecs_id(Position), // Make sure to use existing id
.members = {
{ .name = "x", .type = ecs_id(ecs_f32_t) }, // builtin float type
{ .name = "y", .type = ecs_id(ecs_f32_t) }
}
});
// Create entity, set value of position using reflection API
ecs_entity_t ent = ecs_new_entity(ecs, "ent");
Position *ptr = ecs_get_mut(ecs, ent, Position);
ecs_meta_cursor_t cur = ecs_meta_cursor(ecs, ecs_id(Position), ptr);
ecs_meta_push(&cur); // {
ecs_meta_set_float(&cur, 10); // 10
ecs_meta_next(&cur); // ,
ecs_meta_set_float(&cur, 20); // 20
ecs_meta_pop(&cur); // }
char *str = ecs_ptr_to_expr(ecs, ecs_id(Position), ptr);
printf("%s\n", str); // {x: 10.00, y: 20.00}
ecs_os_free(str);
// Use member names before assigning values
cur = ecs_meta_cursor(ecs, ecs_id(Position), ptr);
ecs_meta_push(&cur); // {
ecs_meta_member(&cur, "y"); // y:
ecs_meta_set_float(&cur, 10); // 10
ecs_meta_member(&cur, "x"); // x:
ecs_meta_set_float(&cur, 20); // 20
ecs_meta_pop(&cur); // }
str = ecs_ptr_to_expr(ecs, ecs_id(Position), ptr);
printf("%s\n", str); // {x: 20.00, y: 10.00}
ecs_os_free(str);
ecs_fini(ecs);
}