110 lines
2.9 KiB
Zig
Executable File
110 lines
2.9 KiB
Zig
Executable File
const coral = @import("coral");
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const kym = @import("kym");
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const ona = @import("ona");
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const transform2d_typename = @typeName(ona.gfx.Transform2D);
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fn bind_canvas(environment: *kym.vm.Environment, canvas: *ona.gfx.Canvas) !void {
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const object = try environment.new(.{});
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defer environment.release(object);
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const sprite_creator = try environment.new(.{
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.userinfo = @ptrToInt(canvas),
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.behavior = &.{
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.caller = struct {
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fn call(context: kym.vm.Object.CallContext) kym.vm.RuntimeError!kym.vm.Value {
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try context.check(context.arguments.len == 2, "2 arguments expected");
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const transform = context.arguments[0].object;
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try context.check(transform.userinfo == @ptrToInt(transform2d_typename), "`transform2d` expected");
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_ = try @intToPtr(*ona.gfx.Canvas, context.object.userinfo).create_sprite(
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coral.io.bytes_to(ona.gfx.Transform2D, transform.userdata).?);
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return .nil;
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}
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}.call,
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},
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});
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defer environment.release(sprite_creator);
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try environment.raw_set(object, "create_sprite", sprite_creator.as_value());
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try environment.global_set("canvas", object.as_value());
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}
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// fn bind_transform_2d(environment: *kym.Environment) !*kym.Object {
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// const allocator = environment.allocator();
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// const transform_2d = try allocator.allocate_one(ona.gfx.Transform2D);
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// errdefer allocator.deallocate(transform_2d);
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// const object = try environment.new(@ptrToInt(transform_2d), .{
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// .destructor = struct {
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// fn destruct() void {
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// allocator.deallocate(transform_2d);
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// }
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// }.destruct,
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// });
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// defer environment.release(object);
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// try environment.set_field(environment.globals(), object);
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// }
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pub fn main() anyerror!void {
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return ona.App.run(anyerror, start);
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}
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fn start(app: *ona.App) anyerror!void {
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var kym_env = try kym.vm.Environment.init(ona.allocator, .{
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.stack_max = 256,
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.calls_max = 256,
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});
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defer kym_env.deinit();
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try bind_canvas(&kym_env, app.canvas());
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{
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const index_path = "index.kym";
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const index_file = try app.data_fs().open_readable(index_path);
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defer if (!index_file.close()) ona.log_error(&.{.{.string = "failed to close "}, .{.string = index_path}});
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const index_size = (try app.data_fs().query(index_path)).size;
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const index_allocation = try coral.io.allocate_many(u8, index_size, ona.allocator);
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defer coral.io.deallocate(ona.allocator, index_allocation);
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var index_buffer = coral.buffer.Fixed{.data = index_allocation[0 .. index_size]};
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{
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var stream_buffer = [_]u8{0} ** 1024;
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if ((try coral.io.stream(index_buffer.as_writer(), index_file.as_reader(), &stream_buffer)) != index_size)
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return error.IoUnavailable;
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}
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{
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const index_script = try kym_env.new_script(.{
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.name = index_path,
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.data = index_buffer.data
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});
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defer kym_env.release(index_script);
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_ = try kym_env.call(index_script, &.{});
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}
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}
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while (app.poll()) {
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app.present();
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}
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}
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