97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
export module runtime;
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import app;
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import coral;
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import coral.files;
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import coral.io;
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import coral.math;
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import coral.sequence;
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import kym;
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import kym.environment;
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extern "C" int main(int argc, char const * const * argv) {
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return app::display("Ona Runtime", [](app::system & system, app::graphics & graphics) -> int {
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constexpr coral::path config_path{"config.kym"};
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bool is_config_loaded{false};
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system.res_fs().read_file(config_path, [&](coral::reader & file) {
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coral::allocator * const allocator{&system.thread_safe_allocator()};
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kym::vm vm{allocator, [&system](coral::slice<char const> const & error_message) {
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system.log(app::log_level::error, error_message);
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}};
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if (!vm.init({.datastack_size = 64, .callstack_size = 64})) {
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system.log(app::log_level::error, "failed to allocate memory for config vm");
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return;
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}
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coral::stack<coral::u8> script_source{allocator};
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{
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coral::u8 stream_buffer[1024]{0};
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coral::contiguous_writer script_writer{&script_source};
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if (!coral::stream(script_writer, file, stream_buffer).is_ok()) return;
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}
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vm.with_object(vm.compile(script_source.as_slice().as_chars()), [&](kym::bound_object & script) {
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vm.with_object(script.call({}), [&](kym::bound_object & config) {
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constexpr auto as_u16 = [](coral::i64 value) -> coral::optional<coral::i16> {
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if ((value >= 0) && (value <= coral::u16_max))
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return static_cast<coral::u16>(value);
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return {};
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};
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coral::u16 const width{config.get_field("width").
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as_integer().map(as_u16).value_or(0)};
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if (width == 0) return system.log(app::log_level::error,
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"failed to decode `width` property of config");
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coral::u16 const height{config.get_field("height").
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as_integer().map(as_u16).value_or(0)};
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if (height == 0) return system.log(app::log_level::error,
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"failed to decode `height` property of config");
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if (graphics.show(width, height) != app::graphics::show_result::ok)
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return system.log(app::log_level::error, "failed to initialize window");
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vm.with_object(config.get_field("title"), [&](kym::bound_object & title) {
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// TODO: implement.
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is_config_loaded = true;
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});
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});
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});
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});
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if (!is_config_loaded) {
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coral::stack<coral::u8> error_message{&system.thread_safe_allocator()};
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{
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coral::contiguous_writer error_writer{&error_message};
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if (!error_writer.write(coral::slice{"failed to load "}.as_bytes()).is_ok())
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return coral::u8_max;
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if (!error_writer.write(config_path.as_slice().as_bytes()).is_ok())
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return coral::u8_max;
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}
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return coral::u8_max;
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}
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// app::canvas canvas_2d();
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while (system.poll()) {
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// canvas_2d.render(graphics);
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graphics.present();
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}
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return 0;
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});
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}
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