#include "ibl_probe.h"

#include <logger.h>
#include <memory/kmemory.h>
#include <systems/texture_system.h>

b8 ibl_probe_create (kname cubemap_name, vec3 position, ibl_probe *out_probe) {
	if (!out_probe) {
		KERROR("ibl_probe_create requires a valid pointer to out_probe.");
		return false;
	}

	out_probe->cubemap_name = cubemap_name;
	out_probe->position = position;
	out_probe->ibl_cube_texture = INVALID_KTEXTURE;
	return true;
}

void ibl_probe_destroy (ibl_probe *probe) {
	if (probe) {
		ibl_probe_unload(probe);
	}

	kzero_memory(probe, sizeof(ibl_probe));
}

b8 ibl_probe_load (ibl_probe *probe) {
	if (!probe) {
		return false;
	}

	if (probe->cubemap_name == INVALID_KNAME) {
		// Nothing to do, return success.
		KWARN("No cubemap name assigned to ibl probe.");
		return true;
	}

	probe->ibl_cube_texture = texture_cubemap_acquire_sync(probe->cubemap_name);

	return true;
}

void ibl_probe_unload (ibl_probe *probe) {
	if (probe->ibl_cube_texture) {
		texture_release(probe->ibl_cube_texture);
		probe->ibl_cube_texture = INVALID_KTEXTURE;
	}
}