// main function
int main(int argc, char** argv) {
auto args = parse_cmdline(argc, argv,
{ "03_animate", "view scene",
{ {"resolution", "r", "image resolution", typeid(int), true, jsonvalue() } },
{ {"scene_filename", "", "scene filename", typeid(string), false, jsonvalue("scene.json")},
{"image_filename", "", "image filename", typeid(string), true, jsonvalue("")} }
});
// generate/load scene either by creating a test scene or loading from json file
scene_filename = args.object_element("scene_filename").as_string();
scene = nullptr;
if(scene_filename.length() > 9 and scene_filename.substr(0,9) == "testscene") {
int scene_type = atoi(scene_filename.substr(9).c_str());
scene = create_test_scene(scene_type);
scene_filename = scene_filename + ".json";
} else {
scene = load_json_scene(scene_filename);
}
error_if_not(scene, "scene is nullptr");
image_filename = (args.object_element("image_filename").as_string() != "") ?
args.object_element("image_filename").as_string() :
scene_filename.substr(0,scene_filename.size()-5)+".png";
if(not args.object_element("resolution").is_null()) {
scene->image_height = args.object_element("resolution").as_int();
scene->image_width = scene->camera->width * scene->image_height / scene->camera->height;
}
animate_reset(scene);
subdivide(scene);
uiloop();
}
static void JSON_parse(js_State *J)
{
const char *source = js_tostring(J, 1);
jsY_initlex(J, "JSON", source);
jsonnext(J);
jsonvalue(J);
// TODO: reviver Walk()
}
// main function
int main(int argc, char** argv) {
auto args = parse_cmdline(argc, argv,
{ "03_model", "raytrace a scene",
{ {"resolution", "r", "image resolution", "int", true, jsonvalue() } },
{ {"scene_filename", "", "scene filename", "string", false, jsonvalue("scene.json")},
{"image_filename", "", "image filename", "string", true, jsonvalue("")} }
});
scene_filename = args.object_element("scene_filename").as_string();
image_filename = (args.object_element("image_filename").as_string() != "") ?
args.object_element("image_filename").as_string() :
scene_filename.substr(0,scene_filename.size()-5)+".png";
scene = load_json_scene(scene_filename);
if(! args.object_element("resolution").is_null()) {
scene->image_height = args.object_element("resolution").as_int();
scene->image_width = scene->camera->width * scene->image_height / scene->camera->height;
}
subdivide(scene);
uiloop();
}
static void jsonvalue(js_State *J)
{
int i;
const char *name;
switch (J->lookahead) {
case TK_STRING:
js_pushliteral(J, J->text);
jsonnext(J);
break;
case TK_NUMBER:
js_pushnumber(J, J->number);
jsonnext(J);
break;
case '{':
js_newobject(J);
jsonnext(J);
if (jsonaccept(J, '}'))
return;
do {
if (J->lookahead != TK_STRING)
js_syntaxerror(J, "JSON: unexpected token: %s (expected string)", jsY_tokenstring(J->lookahead));
name = J->text;
jsonnext(J);
jsonexpect(J, ':');
jsonvalue(J);
js_setproperty(J, -2, name);
} while (jsonaccept(J, ','));
jsonexpect(J, '}');
break;
case '[':
js_newarray(J);
jsonnext(J);
i = 0;
if (jsonaccept(J, ']'))
return;
do {
jsonvalue(J);
js_setindex(J, -2, i++);
} while (jsonaccept(J, ','));
jsonexpect(J, ']');
break;
case TK_TRUE:
js_pushboolean(J, 1);
jsonnext(J);
break;
case TK_FALSE:
js_pushboolean(J, 0);
jsonnext(J);
break;
case TK_NULL:
js_pushnull(J);
jsonnext(J);
break;
default:
js_syntaxerror(J, "JSON: unexpected token: %s", jsY_tokenstring(J->lookahead));
}
}
