Add flecs

src/main.c

@@ -3,15 +3,20 @@
 // Includes Sokol GFX, Sokol GP and Sokol APP, doing all implementations.
 #define SOKOL_IMPL
 #define SOKOL_GLES3
+#define FLECS_CUSTOM_BUILD
 #include "sokol_gfx.h"
 #include "sokol_gp.h"
 #include "sokol_app.h"
 #include "sokol_glue.h"
 
+#include "flecs.c"
+
 #include <stdio.h> // for fprintf()
 #include <stdlib.h> // for exit()
 #include <math.h> // for sinf() and cosf()
 
+ecs_world_t *world;
+
 // Called on every frame of the application.
 static void frame(void) {
     // Get current window size.
@@ -68,10 +73,14 @@ static void init(void) {
         fprintf(stderr, "Failed to create Sokol GP context: %s\n", sgp_get_error_message(sgp_get_last_error()));
         exit(-1);
     }
+
+    world = ecs_init();
 }
 
 // Called when the application is shutting down.
 static void cleanup(void) {
+    ecs_fini(world);
+
     // Cleanup Sokol GP and Sokol GFX resources.
     sgp_shutdown();
     sg_shutdown();