nuclear@0: #include <stdlib.h>
nuclear@0: #include <string.h>
nuclear@0: #include <assert.h>
nuclear@0: #include "tgi_impl.h"
nuclear@0: #include "object.h"
nuclear@0: #include "dynarr.h"
nuclear@0: 
nuclear@0: struct tinygi *tgi_init(void)
nuclear@0: {
nuclear@0: 	struct tinygi *tgi;
nuclear@0: 
nuclear@0: 	if(!(tgi = malloc(sizeof *tgi))) {
nuclear@0: 		tgi_log("failed to allocate memory\n");
nuclear@0: 		return 0;
nuclear@0: 	}
nuclear@0: 	if(!(tgi->objects = dynarr_alloc(0, sizeof *tgi->objects))) {
nuclear@0: 		tgi_log("failed to allocate objects array\n");
nuclear@0: 		free(tgi);
nuclear@0: 		return 0;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	return tgi;
nuclear@0: }
nuclear@0: 
nuclear@0: void tgi_destroy(struct tinygi *tgi)
nuclear@0: {
nuclear@0: 	tgi_clear_scene(tgi);
nuclear@0: 	free(tgi);
nuclear@0: }
nuclear@0: 
nuclear@0: void tgi_clear_scene(struct tinygi *tgi)
nuclear@0: {
nuclear@0: 	int i, nobj = dynarr_size(tgi->objects);
nuclear@0: 
nuclear@0: 	for(i=0; i<nobj; i++) {
nuclear@0: 		tgi_destroy_object(tgi->objects[i]);
nuclear@0: 	}
nuclear@0: 	tgi->objects = dynarr_resize(tgi->objects, 0);
nuclear@0: 	assert(tgi->objects);
nuclear@0: }
nuclear@0: 
nuclear@0: int tgi_load_scene(struct tinygi *tgi, const char *fname)
nuclear@0: {
nuclear@0: 	return -1;	/* TODO implement later */
nuclear@0: }
nuclear@0: 
nuclear@0: void tgi_add_object(struct tinygi *tgi, struct tgi_object *o)
nuclear@0: {
nuclear@0: 	tgi->objects = dynarr_push(tgi->objects, o);
nuclear@0: 	assert(tgi->objects);
nuclear@0: }
nuclear@0: 
nuclear@1: int tgi_remove_object(struct tinygi *tgi, struct tgi_object *o)
nuclear@0: {
nuclear@0: 	int i, idx = -1, sz = dynarr_size(tgi->objects);
nuclear@0: 
nuclear@0: 	if(!sz) return -1;
nuclear@0: 
nuclear@0: 	for(i=0; i<sz; i++) {
nuclear@0: 		if(tgi->objects[i] == o) {
nuclear@0: 			idx = i;
nuclear@0: 			break;
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: 	if(idx == -1) {
nuclear@0: 		return -1;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	tgi->objects[idx] = tgi->objects[sz - 1];
nuclear@0: 	tgi->objects = dynarr_pop(tgi->objects);
nuclear@0: 	assert(tgi->objects);
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: struct tgi_object *tgi_find_object(struct tinygi *tgi, const char *name)
nuclear@0: {
nuclear@0: 	int i, sz = dynarr_size(tgi->objects);
nuclear@0: 
nuclear@0: 	for(i=0; i<sz; i++) {
nuclear@0: 		if(strcmp(tgi->objects[i]->name, name) == 0) {
nuclear@0: 			return tgi->objects[i];
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: struct tgi_object *tgi_get_object(struct tinygi *tgi, int idx)
nuclear@0: {
nuclear@0: 	return tgi->objects[idx];
nuclear@0: }
nuclear@0: 
nuclear@0: int tgi_get_object_count(struct tinygi *tgi)
nuclear@0: {
nuclear@0: 	return dynarr_size(tgi->objects);
nuclear@0: }
nuclear@0: 
nuclear@0: