nuclear@6: #include <stdio.h>
nuclear@6: #include <stdlib.h>
nuclear@6: #include <string.h>
nuclear@6: #include <errno.h>
nuclear@6: #include "pattr.h"
nuclear@6: #include "psys_gl.h"
nuclear@6: 
nuclear@6: static void *tex_cls;
nuclear@6: static unsigned int (*load_texture)(const char*, void*) = psys_gl_load_texture;
nuclear@6: static void (*unload_texture)(unsigned int, void*) = psys_gl_unload_texture;
nuclear@6: 
nuclear@6: void psys_texture_loader(unsigned int (*load)(const char*, void*), void (*unload)(unsigned int, void*), void *cls)
nuclear@6: {
nuclear@6: 	load_texture = load;
nuclear@6: 	unload_texture = unload;
nuclear@6: 	tex_cls = cls;
nuclear@6: }
nuclear@6: 
nuclear@6: int psys_init_attr(struct psys_attributes *attr)
nuclear@6: {
nuclear@6: 	memset(attr, 0, sizeof *attr);
nuclear@6: 
nuclear@6: 	if(psys_init_track3(&attr->spawn_range) == -1)
nuclear@6: 		goto err;
nuclear@6: 	if(psys_init_track(&attr->rate) == -1)
nuclear@6: 		goto err;
nuclear@6: 	if(psys_init_anm_rnd(&attr->life) == -1)
nuclear@6: 		goto err;
nuclear@6: 	if(psys_init_anm_rnd(&attr->size) == -1)
nuclear@6: 		goto err;
nuclear@6: 	if(psys_init_anm_rnd3(&attr->dir) == -1)
nuclear@6: 		goto err;
nuclear@6: 	if(psys_init_track3(&attr->grav) == -1)
nuclear@6: 		goto err;
nuclear@6: 
nuclear@6: 	attr->max_particles = -1;
nuclear@6: 	return 0;
nuclear@6: 
nuclear@6: err:
nuclear@6: 	psys_destroy_attr(attr);
nuclear@6: 	return -1;
nuclear@6: }
nuclear@6: 
nuclear@6: void psys_destroy_attr(struct psys_attributes *attr)
nuclear@6: {
nuclear@6: 	psys_destroy_track3(&attr->spawn_range);
nuclear@6: 	psys_destroy_track(&attr->rate);
nuclear@6: 	psys_destroy_anm_rnd(&attr->life);
nuclear@6: 	psys_destroy_anm_rnd(&attr->size);
nuclear@6: 	psys_destroy_anm_rnd3(&attr->dir);
nuclear@6: 	psys_destroy_track3(&attr->grav);
nuclear@6: 
nuclear@6: 	if(attr->tex && unload_texture) {
nuclear@6: 		unload_texture(attr->tex, tex_cls);
nuclear@6: 	}
nuclear@6: }
nuclear@6: 
nuclear@6: void psys_eval_attr(struct psys_attributes *attr, anm_time_t tm)
nuclear@6: {
nuclear@6: 	psys_eval_track3(&attr->spawn_range, tm);
nuclear@6: 	psys_eval_track(&attr->rate, tm);
nuclear@6: 	psys_eval_anm_rnd(&attr->life, tm);
nuclear@6: 	psys_eval_anm_rnd(&attr->size, tm);
nuclear@6: 	psys_eval_anm_rnd3(&attr->dir, tm);
nuclear@6: 	psys_eval_track3(&attr->grav, tm);
nuclear@6: }
nuclear@6: 
nuclear@6: int psys_load_attr(struct psys_attributes *attr, const char *fname)
nuclear@6: {
nuclear@6: 	FILE *fp;
nuclear@6: 	int res;
nuclear@6: 
nuclear@6: 	if(!(fp = fopen(fname, "r"))) {
nuclear@6: 		fprintf(stderr, "%s: failed to read file: %s: %s\n", __func__, fname, strerror(errno));
nuclear@6: 		return -1;
nuclear@6: 	}
nuclear@6: 	res = psys_load_attr_stream(attr, fp);
nuclear@6: 	fclose(fp);
nuclear@6: 	return res;
nuclear@6: }
nuclear@6: 
nuclear@6: int psys_load_attr_stream(struct psys_attributes *attr, FILE *fp)
nuclear@6: {
nuclear@6: 	return -1;	/* TODO */
nuclear@6: }
nuclear@6: 
nuclear@6: 
nuclear@6: int psys_save_attr(struct psys_attributes *attr, const char *fname)
nuclear@6: {
nuclear@6: 	FILE *fp;
nuclear@6: 	int res;
nuclear@6: 
nuclear@6: 	if(!(fp = fopen(fname, "w"))) {
nuclear@6: 		fprintf(stderr, "%s: failed to write file: %s: %s\n", __func__, fname, strerror(errno));
nuclear@6: 		return -1;
nuclear@6: 	}
nuclear@6: 	res = psys_save_attr_stream(attr, fp);
nuclear@6: 	fclose(fp);
nuclear@6: 	return res;
nuclear@6: }
nuclear@6: 
nuclear@6: int psys_save_attr_stream(struct psys_attributes *attr, FILE *fp)
nuclear@6: {
nuclear@6: 	return -1;	/* TODO */
nuclear@6: }