69 lines
2.0 KiB
Zig
69 lines
2.0 KiB
Zig
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const coral = @import("coral");
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const kym = @import("kym");
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const ona = @import("ona");
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fn create_canvas_binding(binding_vm: *kym.Vm, canvas: *ona.gfx.Canvas) !*kym.Object {
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const canvas_object = try binding_vm.new(.{.native = canvas}, .{});
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const Object = kym.Object;
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const Value = kym.Value;
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try binding_vm.set_field(canvas_object, "create_sprite", .{.object = try binding_vm.new_closure(struct {
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fn call(calling_vm: *kym.Vm, _: *Object, context: *Object, arguments: []const Value) kym.RuntimeError!Value {
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const properties = try kym.object_argument(calling_vm, arguments, 0);
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@ptrCast(*ona.gfx.Canvas, context.userdata().native).create_sprite(.{
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.position = calling_vm.get_field(properties, "position").to_vector2() orelse coral.math.Vector2.zero,
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.rotation = @floatCast(f32, calling_vm.get_field(properties, "rotation").to_float() orelse 0.0),
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});
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return .nil;
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}
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}.call)});
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return canvas_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 vm = try kym.Vm.init(ona.allocator, .{
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.stack_max = 256,
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.objects_max = 512,
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});
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defer vm.deinit();
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try vm.set_field(vm.globals(), "events", .{.object = try create_canvas_binding(&vm, 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 = ona.allocator.allocate_many(u8, index_size) orelse return error.OutOfMemory;
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defer ona.allocator.deallocate(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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_ = try vm.call_self(try vm.new_script(index_buffer.data), &.{});
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}
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while (app.poll()) {
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}
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}
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