void animated_object_load_skeleton(animated_object* ao, asset_hndl ah) {
if(ao->pose != NULL) {
skeleton_delete(ao->pose);
}
ao->skeleton = ah;
ao->pose = skeleton_copy(asset_hndl_ptr(ao->skeleton));
}
animation* ani_load_file(char* filename) {
int state = STATE_LOAD_EMPTY;
animation* a = animation_new();
skeleton* base = skeleton_new();
frame* f = NULL;
SDL_RWops* file = SDL_RWFromFile(filename, "r");
if(file == NULL) {
error("Could not load file %s", filename);
}
char line[1024];
while(SDL_RWreadline(file, line, 1024)) {
if (state == STATE_LOAD_EMPTY) {
int version;
if (sscanf(line, "version %i", &version) > 0) {
if (version != 1) {
error("Can't load ani file '%s'. Don't know how to load version %i\n", filename, version);
}
}
if (strstr(line, "nodes")) {
state = STATE_LOAD_NODES;
}
if (strstr(line, "skeleton")) {
state = STATE_LOAD_SKELETON;
}
}
else if (state == STATE_LOAD_NODES) {
char name[1024];
int id, parent;
if (sscanf(line, "%i \"%[^\"]\" %i", &id, name, &parent) == 3) {
skeleton_joint_add(base, name, parent);
}
if (strstr(line, "end")) {
state = STATE_LOAD_EMPTY;
}
}
else if (state == STATE_LOAD_SKELETON) {
float time;
if (sscanf(line, "time %f", &time) == 1) {
f = animation_add_frame(a, base->rest_pose);
}
int id;
float x, y, z, rx, ry, rz;
if (sscanf(line, "%i %f %f %f %f %f %f", &id, &x, &y, &z, &rx, &ry, &rz) > 0) {
f->joint_positions[id] = vec3_new(x, z, y);
mat4 rotation = mat4_rotation_euler(rx, ry, rz);
mat4 handedflip = mat4_new(1,0,0,0,
0,0,1,0,
0,1,0,0,
0,0,0,1);
rotation = mat4_mul_mat4(handedflip, rotation);
rotation = mat4_mul_mat4(rotation, handedflip);
rotation = mat4_transpose(rotation);
f->joint_rotations[id] = mat4_to_quat(rotation);
}
if (strstr(line, "end")) {
state = STATE_LOAD_EMPTY;
}
}
}
SDL_RWclose(file);
skeleton_delete(base);
return a;
}
void animated_object_delete(animated_object* ao) {
skeleton_delete(ao->pose);
free(ao);
}
