First pass of Ona middleware API

build.zig

@@ -25,6 +25,7 @@ pub fn build(b: *std.Build) void {
 			.optimize = optimize,
 		});
 
+		compile_step.addModule("coral", coral_module);
 		compile_step.addModule("ona", ona_module);
 		compile_step.linkLibC();
 		compile_step.linkSystemLibrary("SDL2");

debug/app.ona

@@ -1,12 +1,12 @@
-let ona = @import("ona")
+let events = @import("events")
 
 var timer = 0
 
-ona.on_update(lambda (dt):
+events.on_update(lambda (dt):
 	timer = timer + dt
 
 	if (timer > 1):
-		@print("test hello world")
+		@print("test")
 
 		timer = 0
 	end
@@ -14,7 +14,7 @@ end)
 
 return {
 	.title = "Game",
-	.width = 1280,
+	.res_width = 1280,
-	.height = 800,
+	.res_height = 800,
 	.tick_rate = 60,
 }

source/coral/math.zig

@@ -14,6 +14,17 @@ pub fn checked_add(a: anytype, b: anytype) ?@TypeOf(a + b) {
 	return if (result.@"1" == 0) result.@"0" else null;
 }
 
+pub fn checked_cast(comptime dest_int: std.builtin.Type.Int, value: anytype) ?@Type(.{.Int = dest_int}) {
+	const dest_min = min_int(dest_int);
+	const dest_max = max_int(dest_int);
+
+	if (value < dest_min or value > dest_max) {
+		return null;
+	}
+
+	return @intCast(value);
+}
+
 pub fn checked_mul(a: anytype, b: anytype) ?@TypeOf(a * b) {
 	const result = @mulWithOverflow(a, b);
 

source/coral/utf8.zig

@@ -332,6 +332,7 @@ noinline fn print_value(writer: io.Writer, value: anytype) ?usize {
 	return switch (@typeInfo(Value)) {
 		.Int => DecimalFormat.default.print(writer, value),
 		.Float => DecimalFormat.default.print(writer, value),
+		.ComptimeInt => print_value(writer, @as(@import("std").math.IntFittingRange(value, value), value)),
 
 		.Pointer => |pointer| switch (pointer.size) {
 			.Many, .C => HexadecimalFormat.default.print(writer, @intFromPtr(value)),

source/ona/gfx/lina.zig

@@ -1,181 +0,0 @@
-
-pub const Vector2 = struct {
-	x: f32,
-	y: f32,
-
-	pub const Scalars = [2]f32;
-
-	pub fn equals(self: Vector2, vector: Vector2) bool {
-		return self.x == vector.x and self.y == vector.y;
-	}
-
-	pub fn from_scalar(scalar: f32) Vector2 {
-		return .{
-			.x = scalar,
-			.y = scalar,
-		};
-	}
-
-	pub fn from_scalars(scalars: Scalars) Vector2 {
-		return .{
-			.x = scalars[0],
-			.y = scalars[1],
-		};
-	}
-
-	pub fn scalar_added(self: Vector2, scalar: f32) Vector2 {
-		return .{
-			.x = self.x + scalar,
-			.y = self.y + scalar,
-		};
-	}
-
-	pub fn scalar_divided(self: Vector2, scalar: f32) Vector2 {
-		return .{
-			.x = self.x / scalar,
-			.y = self.y / scalar,
-		};
-	}
-
-	pub fn scalar_multiplied(self: Vector2, scalar: f32) Vector2 {
-		return .{
-			.x = self.x * scalar,
-			.y = self.y * scalar,
-		};
-	}
-
-	pub fn to_scalars(self: Vector2) Scalars {
-		return .{self.x, self.y};
-	}
-
-	pub fn scalar_subtracted(self: Vector2, scalar: f32) Vector2 {
-		return .{
-			.x = self.x - scalar,
-			.y = self.y - scalar,
-		};
-	}
-
-	pub fn vector_added(self: Vector2, vector: Vector2) Vector2 {
-		return .{
-			.x = self.x + vector.x,
-			.y = self.y + vector.y,
-		};
-	}
-
-	pub fn vector_divided(self: Vector2, vector: Vector2) Vector2 {
-		return .{
-			.x = self.x / vector.x,
-			.y = self.y / vector.y,
-		};
-	}
-
-	pub fn vector_multiplied(self: Vector2, vector: Vector2) Vector2 {
-		return .{
-			.x = self.x * vector.x,
-			.y = self.y * vector.y,
-		};
-	}
-
-	pub fn vector_subtracted(self: Vector2, vector: Vector2) Vector2 {
-		return .{
-			.x = self.x - vector.x,
-			.y = self.y - vector.y,
-		};
-	}
-};
-
-pub const Vector3 = struct {
-	x: f32,
-	y: f32,
-	z: f32,
-
-	pub const Scalars = [3]f32;
-
-	pub fn equals(self: Vector3, vector: Vector3) bool {
-		return self.x == vector.x and self.y == vector.y and self.z == vector.z;
-	}
-
-	pub fn from_scalar(scalar: f32) Vector3 {
-		return .{
-			.x = scalar,
-			.y = scalar,
-			.z = scalar,
-		};
-	}
-
-	pub fn from_scalars(scalars: Scalars) Vector3 {
-		return .{
-			.x = scalars[0],
-			.y = scalars[1],
-			.z = scalars[2],
-		};
-	}
-
-	pub fn scalar_added(self: Vector3, scalar: f32) Vector3 {
-		return .{
-			.x = self.x + scalar,
-			.y = self.y + scalar,
-			.z = self.z + scalar,
-		};
-	}
-
-	pub fn scalar_divided(self: Vector3, scalar: f32) Vector3 {
-		return .{
-			.x = self.x / scalar,
-			.y = self.y / scalar,
-			.z = self.z / scalar,
-		};
-	}
-
-	pub fn scalar_multiplied(self: Vector3, scalar: f32) Vector3 {
-		return .{
-			.x = self.x * scalar,
-			.y = self.y * scalar,
-			.z = self.z * scalar,
-		};
-	}
-
-	pub fn scalar_subtracted(self: Vector3, scalar: f32) Vector3 {
-		return .{
-			.x = self.x - scalar,
-			.y = self.y - scalar,
-			.z = self.z - scalar,
-		};
-	}
-
-	pub fn to_scalars(self: Vector3) Scalars {
-		return .{self.x, self.y, self.z};
-	}
-
-	pub fn vector_added(self: Vector3, other: Vector3) Vector3 {
-		return .{
-			.x = self.x + other.x,
-			.y = self.y + other.y,
-			.z = self.z + other.z,
-		};
-	}
-
-	pub fn vector_divided(self: Vector3, other: Vector3) Vector3 {
-		return .{
-			.x = self.x / other.x,
-			.y = self.y / other.y,
-			.z = self.z / other.z,
-		};
-	}
-
-	pub fn vector_multiplied(self: Vector3, other: Vector3) Vector3 {
-		return .{
-			.x = self.x * other.x,
-			.y = self.y * other.y,
-			.z = self.z * other.z,
-		};
-	}
-
-	pub fn vector_subtracted(self: Vector3, other: Vector3) Vector3 {
-		return .{
-			.x = self.x - other.x,
-			.y = self.y - other.y,
-			.z = self.z - other.z,
-		};
-	}
-};

source/ona/ona.zig

@@ -4,14 +4,16 @@ const ext = @import("./ext.zig");
 
 pub const file = @import("./file.zig");
 
-const heap = @import("./heap.zig");
+pub const heap = @import("./heap.zig");
 
-const kym = @import("./kym.zig");
+pub const script = @import("./script.zig");
 
-const App = struct {
+pub const GraphicsLoop = opaque {
-	renderer: *ext.SDL_Renderer,
+	const Internal = struct {
 		window: *ext.SDL_Window,
-	systems: Systems,
+		renderer: *ext.SDL_Renderer,
+		loaders: GraphicsLoaderList,
+		updaters: GraphicsUpdaterList,
 		target_frame_time: f64,
 
 		keys: struct {
@@ -20,70 +22,16 @@ const App = struct {
 			held: [ext.SDL_NUM_SCANCODES]bool = [_]bool{false} ** ext.SDL_NUM_SCANCODES,
 		},
 
-	const DynamicObject = struct {
+		const GraphicsLoaderList = coral.list.Stack(GraphicsLoader);
-		self: *App,
 
-		fn get(context: kym.Typeinfo.GetContext) kym.RuntimeError!?*kym.RuntimeObj {
+		const GraphicsUpdaterList = coral.list.Stack(GraphicsUpdater);
-			const index = context.get_index();
 
-			defer context.env.release(index);
+		fn deinit(self: *Internal) void {
-
-			const on_update_symbol = (try context.env.new_symbol("on_update")).pop().?;
-
-			defer context.env.release(on_update_symbol);
-
-			if (index.equals(on_update_symbol)) {
-				return (try context.env.new_syscall(on_update)).pop();
-			}
-
-			return null;
-		}
-
-		fn on_update(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
-			const caller_object = try env.expect_object(try env.get_caller());
-
-			defer env.release(caller_object);
-
-			const app = @as(*DynamicObject, @ptrCast(@alignCast(try env.expect_dynamic(caller_object, typeinfo))));
-
-			const callable = try env.expect_object((try env.arg(0)).pop());
-
-			errdefer env.release(callable);
-
-			try app.self.systems.push_one(callable);
-
-			return null;
-		}
-
-		const typeinfo = &kym.Typeinfo{
-			.name = "ona",
-			.size = @sizeOf(DynamicObject),
-			.get = get,
-		};
-	};
-
-	pub const InitError = error {
-		RendererUnavailable,
-		WindowUnavailable,
-	};
-
-	const Systems = coral.list.Stack(*kym.RuntimeObj);
-
-	pub fn as_importer(self: *App) kym.Importer {
-		return kym.Importer.bind(App, self, import);
-	}
-
-	pub fn deinit(self: *App) void {
 			ext.SDL_DestroyWindow(self.window);
 			ext.SDL_DestroyRenderer(self.renderer);
-		self.systems.deinit();
 		}
 
-	fn import(self: *App, env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
+		fn init(allocator: coral.io.Allocator) coral.io.AllocationError!Internal {
-		return (try env.new_dynamic(DynamicObject.typeinfo, DynamicObject{.self = self})).pop();
-	}
-
-	pub fn init() InitError!App {
 			const window = create: {
 				const height = 480;
 				const width = 640;
@@ -91,7 +39,7 @@ const App = struct {
 				const flags = ext.SDL_WINDOW_HIDDEN;
 
 				break: create ext.SDL_CreateWindow("", pos, pos, width, height, flags) orelse {
-				return error.WindowUnavailable;
+					return error.OutOfMemory;
 				};
 			};
 
@@ -102,85 +50,41 @@ const App = struct {
 				const flags = ext.SDL_RENDERER_ACCELERATED;
 
 				break: create ext.SDL_CreateRenderer(window, default_driver_index, flags) orelse {
-				return error.RendererUnavailable;
+					return error.OutOfMemory;
 				};
 			};
 
 			errdefer ext.SDL_DestroyRenderer(renderer);
 
 			return .{
-			.systems = Systems.init(heap.allocator),
+				.loaders = GraphicsLoaderList.init(allocator),
+				.updaters = GraphicsUpdaterList.init(allocator),
 				.target_frame_time = 1.0 / 60.0,
-			.renderer = renderer,
 				.window = window,
+				.renderer = renderer,
 				.keys = .{},
 			};
 		}
 
-	pub fn load(self: *App, env: *kym.RuntimeEnv) kym.RuntimeError!void {
+		fn run(self: *Internal) void {
-		var previous_width = @as(c_int, 0);
+			var ticks_previous = ext.SDL_GetTicks64();
-		var previous_height = @as(c_int, 0);
+			var accumulated_time = @as(f64, 0);
 
-		ext.SDL_GetWindowSize(self.window, &previous_width, &previous_height);
+			for (self.loaders.values) |loader| {
+				loader.invoke(@ptrCast(self));
+			}
 
-		var width = previous_width;
-		var height = previous_height;
-
-		defer {
-			const pos = ext.SDL_WINDOWPOS_CENTERED;
-
-			ext.SDL_SetWindowSize(self.window, width, height);
-			ext.SDL_SetWindowPosition(self.window, pos, pos);
 			ext.SDL_ShowWindow(self.window);
-		}
 
-		if ((try env.import(file.Path.of(&.{"app.ona"}))).pop()) |manifest| {
+			running_loop: while (true) {
-			defer env.release(manifest);
+				const ticks_current = ext.SDL_GetTicks64();
+				const milliseconds_per_second = 1000.0;
+				const delta_time = @as(f64, @floatFromInt(ticks_current - ticks_previous)) / milliseconds_per_second;
 
-			if (try kym.get_field(env, manifest, "width")) |object| {
+				ticks_previous = ticks_current;
-				defer env.release(object);
+				accumulated_time += delta_time;
 
-				const fixed = try env.expect_fixed(object);
+				while (accumulated_time >= self.target_frame_time) : (accumulated_time -= self.target_frame_time) {
-
-				if (fixed > 0 and fixed < coral.math.max_int(@typeInfo(@TypeOf(width)).Int)) {
-					width = @intCast(fixed);
-				}
-			}
-
-			if (try kym.get_field(env, manifest, "height")) |object| {
-				defer env.release(object);
-
-				const fixed = try env.expect_fixed(object);
-
-				if (fixed > 0 and fixed < coral.math.max_int(@typeInfo(@TypeOf(height)).Int)) {
-					height = @intCast(fixed);
-				}
-			}
-
-			if (try kym.get_field(env, manifest, "tick_rate")) |object| {
-				defer env.release(object);
-
-				self.target_frame_time = 1.0 / try env.expect_float(object);
-			}
-
-			if (try kym.get_field(env, manifest, "title")) |object| {
-				defer env.release(object);
-
-				const title = coral.utf8.SmallString.from_units(try env.expect_string(object)) catch |from_error| {
-					return switch (from_error) {
-						error.InvalidUtf8 => env.raise(error.TypeMismatch, "`title` cannot contain invalid utf8", .{}),
-						error.TooBig => env.raise(error.TypeMismatch, "`title` is too long", .{}),
-					};
-				};
-
-				ext.SDL_SetWindowTitle(self.window, title.to_units());
-			} else {
-				ext.SDL_SetWindowTitle(self.window, "Ona");
-			}
-		}
-	}
-
-	pub fn poll(self: *App) bool {
 					var event = @as(ext.SDL_Event, undefined);
 
 					coral.io.zero(@ptrCast(&self.keys.pressed));
@@ -188,7 +92,7 @@ const App = struct {
 
 					while (ext.SDL_PollEvent(&event) != 0) {
 						switch (event.type) {
-				ext.SDL_QUIT => return false,
+							ext.SDL_QUIT => break: running_loop,
 
 							ext.SDL_KEYDOWN => {
 								self.keys.pressed[event.key.keysym.scancode] = true;
@@ -204,30 +108,78 @@ const App = struct {
 						}
 					}
 
-		return true;
+					for (self.updaters.values) |updater| {
+						updater.invoke(.{
+							.loop = @ptrCast(self),
+							.delta_time = self.target_frame_time,
+						});
+					}
 				}
 
-	pub fn render(self: *App) void {
 				_ = ext.SDL_SetRenderDrawColor(self.renderer, 0, 0, 0, 255);
 				_ = ext.SDL_RenderClear(self.renderer);
 				_ = ext.SDL_RenderPresent(self.renderer);
+
+				ext.SDL_Delay(1);
+			}
 		}
 
-	pub fn update(self: *App, env: *kym.RuntimeEnv, time_delta: f32) kym.RuntimeError!void {
+		fn use(self: *Internal, middleware: GraphicsMiddleware) coral.io.AllocationError!void {
-		for (self.systems.values) |system| {
+			try switch (middleware) {
-			(try (try (try env.new_float(time_delta)).push(system)).call(1, null)).discard();
+				.loader => |loader| self.loaders.push_one(loader),
+				.updater => |updater| self.updaters.push_one(updater),
+			};
 		}
+	};
+
+	fn internal(self: *GraphicsLoop) *Internal {
+		return @ptrCast(@alignCast(self));
 	}
+
+	pub fn is_key_pressed(self: *GraphicsLoop, key: Key) bool {
+		return self.internal().keys.pressed[@intFromEnum(key)];
+	}
+
+	pub fn set_resolution(self: *GraphicsLoop, width: u16, height: u16) callconv(.C) void {
+		const pos = ext.SDL_WINDOWPOS_CENTERED;
+		const internal_state = self.internal();
+
+		ext.SDL_SetWindowSize(internal_state.window, width, height);
+		ext.SDL_SetWindowPosition(internal_state.window, pos, pos);
+		ext.SDL_ShowWindow(internal_state.window);
+	}
+
+	pub fn set_tick_rate(self: *GraphicsLoop, tick_rate: f64) callconv(.C) void {
+		self.internal().target_frame_time = 1.0 / tick_rate;
+	}
+
+	pub fn set_title(self: *GraphicsLoop, title: coral.utf8.SmallString) callconv(.C) void {
+		ext.SDL_SetWindowTitle(self.internal().window, title.to_units());
+	}
+};
+
+pub const GraphicsUpdate = struct {
+	loop: *GraphicsLoop,
+	delta_time: f64,
+};
+
+pub const GraphicsMiddleware = union (enum) {
+	loader: GraphicsLoader,
+	updater: GraphicsUpdater,
+};
+
+pub const GraphicsLoader = coral.io.Generator(void, *GraphicsLoop);
+
+pub const GraphicsUpdater = coral.io.Generator(void, GraphicsUpdate);
+
+pub const Key = enum (usize) {
+	f5 = ext.SDL_SCANCODE_F5,
 };
 
 fn last_sdl_error() [:0]const u8 {
 	return coral.io.slice_sentineled(@as(u8, 0), @as([*:0]const u8, @ptrCast(ext.SDL_GetError())));
 }
 
-fn load_prompt() void {
-
-}
-
 pub fn log_info(message: []const coral.io.Byte) void {
 	ext.SDL_LogInfo(
 		ext.SDL_LOG_CATEGORY_APPLICATION,
@@ -255,59 +207,32 @@ pub fn log_fail(message: []const coral.io.Byte) void {
 	);
 }
 
-const milliseconds_per_second = 1000;
+pub fn start_graphics(middlewares: []const GraphicsMiddleware) void {
+	const init_flags = ext.SDL_INIT_EVERYTHING;
 
-pub fn run_app(file_access: file.Access) void {
+	if (ext.SDL_WasInit(init_flags) == init_flags) {
-	defer heap.trace_leaks();
+		return log_fail("a loop is already running");
+	}
 
-	if (ext.SDL_Init(ext.SDL_INIT_EVERYTHING) != 0) {
+	if (ext.SDL_Init(init_flags) != 0) {
 		return log_fail(last_sdl_error());
 	}
 
 	defer ext.SDL_Quit();
 
-	var app = App.init() catch |init_error| {
+	var loop_internal = GraphicsLoop.Internal.init(heap.allocator) catch {
-		return log_fail(switch (init_error) {
+		return log_fail(last_sdl_error());
-			error.WindowUnavailable => "unable to acquire window",
+	};
-			error.RendererUnavailable => "unable to acquire renderer",
+
+	defer loop_internal.deinit();
+
+	for (middlewares) |middleware| {
+		loop_internal.use(middleware) catch |allocation_error| {
+			return log_fail(switch (allocation_error) {
+				error.OutOfMemory => "could not use middleware: out of memory",
 			});
 		};
-
-	defer app.deinit();
-
-	var script_env = kym.RuntimeEnv.init(heap.allocator, 255, .{
-		.import_access = file_access,
-		.print_out = log_info,
-		.print_err = log_fail,
-	}) catch {
-		return log_fail("failed to initialize script runtime");
-	};
-
-	defer script_env.deinit();
-
-	script_env.override_import(file.Path.of(&.{"ona"}), app.as_importer()) catch return;
-
-	app.load(&script_env) catch load_prompt();
-
-	var ticks_previous = ext.SDL_GetTicks64();
-	var accumulated_time = @as(f64, 0);
-
-	running_loop: while (true) {
-		const ticks_current = ext.SDL_GetTicks64();
-		const delta_time = @as(f64, @floatFromInt(ticks_current - ticks_previous)) / milliseconds_per_second;
-
-		ticks_previous = ticks_current;
-		accumulated_time += delta_time;
-
-		while (accumulated_time >= app.target_frame_time) : (accumulated_time -= app.target_frame_time) {
-			if (!app.poll()) {
-				break: running_loop;
 	}
 
-			app.update(&script_env, @floatCast(app.target_frame_time)) catch return;
+	loop_internal.run();
-		}
-
-		app.render();
-		ext.SDL_Delay(1);
-	}
 }

source/ona/script.zig

@@ -1,16 +1,14 @@
-const Chunk = @import("./kym/Chunk.zig");
+const Chunk = @import("./script/Chunk.zig");
 
-const Table = @import("./kym/Table.zig");
+const Table = @import("./script/Table.zig");
 
 const coral = @import("coral");
 
 const file = @import("./file.zig");
 
-const gfx = @import("./gfx.zig");
+const tokens = @import("./script/tokens.zig");
 
-const tokens = @import("./kym/tokens.zig");
+const tree = @import("./script/tree.zig");
-
-const tree = @import("./kym/tree.zig");
 
 ///
 /// Fixed-length integer number type.
@@ -78,15 +76,7 @@ pub const RuntimeEnv = struct {
 		}
 	});
 
-	const ImporterTable = coral.map.Table(file.Path, Importer, struct {
+	const ImporterTable = coral.map.StringTable(Importer);
-		pub fn hash(file_path: file.Path) usize {
-			return coral.io.djb2_hash(@typeInfo(usize).Int, file_path.to_bytes());
-		}
-
-		pub fn equals(a: file.Path, b: file.Path) bool {
-			return coral.io.are_equal(a.to_bytes(), b.to_bytes());
-		}
-	});
 
 	const LocalList = coral.list.Stack(?*RuntimeObj);
 
@@ -94,13 +84,22 @@ pub const RuntimeEnv = struct {
 	/// Optional settings for a [RuntimeEnv].
 	///
 	pub const Options = struct {
-		import_access: file.Access = .null,
+		import_access: file.Access = .{.sandboxed_path = &file.Path.cwd},
 		print_out: ?*const Print = null,
 		print_err: ?*const Print = null,
 	};
 
 	const SymbolSet = coral.map.StringTable([:0]coral.io.Byte);
 
+	///
+	///
+	///
+	pub fn acquire(_: *RuntimeEnv, object: *RuntimeObj) *RuntimeObj {
+		object.internal().ref_count += 1;
+
+		return object;
+	}
+
 	///
 	/// Attempts to push the argument located at `arg_index` to the top of `self`, pushing `null` instead if the given
 	/// argument does not exist or was provided as a nil value.
@@ -148,10 +147,21 @@ pub const RuntimeEnv = struct {
 
 		defer self.release(callable);
 
+		if (callable.is_dynamic(Chunk.typeinfo)) |chunk_userdata| {
+			const arity = @as(*Chunk, @ptrCast(@alignCast(chunk_userdata))).arity;
+
+			if (arg_count < arity) {
+				return self.raise(error.BadOperation, "expected {expected} arguments, {provided} provided", .{
+					.expected = arity,
+					.provided = arg_count,
+				});
+			}
+		}
+
 		const result = get_result: {
 			try self.frames.push_one(.{
 				.locals_top = self.locals.values.len - arg_count,
-				.callable = callable.internal().acquire(),
+				.callable = self.acquire(callable),
 				.caller = caller,
 				.arg_count = arg_count,
 			});
@@ -160,7 +170,7 @@ pub const RuntimeEnv = struct {
 				const popped_frame = self.frames.pop().?;
 
 				self.release(popped_frame.callable);
-				coral.debug.assert(popped_frame.locals_top < self.locals.values.len);
+				coral.debug.assert(popped_frame.locals_top <= self.locals.values.len);
 
 				var to_discard = self.locals.values.len - popped_frame.locals_top;
 
@@ -530,8 +540,8 @@ pub const RuntimeEnv = struct {
 					self.new_float(@as(Float, @floatFromInt(lhs_fixed)) + @as(Float, @floatFromInt(rhs_fixed))),
 
 			.float => |lhs_float| self.new_float(lhs_float + @as(Float, @floatFromInt(rhs_fixed))),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_added(@floatFromInt(rhs_fixed))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 + @as(Vector2, @splat(@floatFromInt(rhs_fixed)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_added(@floatFromInt(rhs_fixed))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 + @as(Vector3, @splat(@floatFromInt(rhs_fixed)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not addable with {typename}", .{
 				.typename = addable.typename(),
@@ -558,8 +568,8 @@ pub const RuntimeEnv = struct {
 		return switch (addable.internal().payload) {
 			.fixed => |lhs_fixed| self.new_float(@as(Float, @floatFromInt(lhs_fixed)) / @as(Float, @floatFromInt(rhs_fixed))),
 			.float => |lhs_float| self.new_float(lhs_float / @as(Float, @floatFromInt(rhs_fixed))),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_divided(@floatFromInt(rhs_fixed))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 / @as(Vector2, @splat(@floatFromInt(rhs_fixed)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_divided(@floatFromInt(rhs_fixed))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 / @as(Vector3, @splat(@floatFromInt(rhs_fixed)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not divisible with {typename}", .{
 				.typename = addable.typename(),
@@ -587,8 +597,8 @@ pub const RuntimeEnv = struct {
 					self.new_float(@as(Float, @floatFromInt(lhs_fixed)) * @as(Float, @floatFromInt(rhs_fixed))),
 
 			.float => |lhs_float| self.new_float(lhs_float + @as(Float, @floatFromInt(rhs_fixed))),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_multiplied(@floatFromInt(rhs_fixed))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 * @as(Vector2, @splat(@floatFromInt(rhs_fixed)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_multiplied(@floatFromInt(rhs_fixed))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 * @as(Vector3, @splat(@floatFromInt(rhs_fixed)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not multiplicable with {typename}", .{
 				.typename = addable.typename(),
@@ -616,8 +626,8 @@ pub const RuntimeEnv = struct {
 					self.new_float(@as(Float, @floatFromInt(lhs_fixed)) - @as(Float, @floatFromInt(rhs_fixed))),
 
 			.float => |lhs_float| self.new_float(lhs_float + @as(Float, @floatFromInt(rhs_fixed))),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_subtracted(@floatFromInt(rhs_fixed))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 - @as(Vector2, @splat(@floatFromInt(rhs_fixed)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_subtracted(@floatFromInt(rhs_fixed))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 - @as(Vector3, @splat(@floatFromInt(rhs_fixed)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not multiplicable with {typename}", .{
 				.typename = addable.typename(),
@@ -640,8 +650,8 @@ pub const RuntimeEnv = struct {
 		return switch (addable.internal().payload) {
 			.fixed => |lhs_fixed| self.new_float(@as(Float, @floatFromInt(lhs_fixed)) + rhs_float),
 			.float => |lhs_float| self.new_float(lhs_float + rhs_float),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_added(@floatCast(rhs_float))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 + @as(Vector2, @splat(@floatCast(rhs_float)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_added(@floatCast(rhs_float))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 + @as(Vector3, @splat(@floatCast(rhs_float)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not addable with {typename}", .{
 				.typename = addable.typename(),
@@ -668,8 +678,8 @@ pub const RuntimeEnv = struct {
 		return switch (addable.internal().payload) {
 			.fixed => |lhs_fixed| self.new_float(@as(Float, @floatFromInt(lhs_fixed)) / rhs_float),
 			.float => |lhs_float| self.new_float(lhs_float / lhs_float),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_divided(@floatCast(rhs_float))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 / @as(Vector2, @splat(@floatCast(rhs_float)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_divided(@floatCast(rhs_float))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 / @as(Vector3, @splat(@floatCast(rhs_float)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not divisible with {typename}", .{
 				.typename = addable.typename(),
@@ -693,8 +703,8 @@ pub const RuntimeEnv = struct {
 		return switch (addable.internal().payload) {
 			.fixed => |lhs_fixed| self.new_float(@as(Float, @floatFromInt(lhs_fixed)) * rhs_float),
 			.float => |lhs_float| self.new_float(lhs_float * lhs_float),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_multiplied(@floatCast(rhs_float))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 * @as(Vector2, @splat(@floatCast(rhs_float)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_multiplied(@floatCast(rhs_float))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 * @as(Vector3, @splat(@floatCast(rhs_float)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not multiplicable with {typename}", .{
 				.typename = addable.typename(),
@@ -718,8 +728,8 @@ pub const RuntimeEnv = struct {
 		return switch (addable.internal().payload) {
 			.fixed => |lhs_fixed| self.new_float(@as(Float, @floatFromInt(lhs_fixed)) - rhs_float),
 			.float => |lhs_float| self.new_float(lhs_float - lhs_float),
-			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2.scalar_subtracted(@floatCast(rhs_float))),
+			.vector2 => |lhs_vector2| self.new_vector2(lhs_vector2 - @as(Vector2, @splat(@floatCast(rhs_float)))),
-			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3.scalar_subtracted(@floatCast(rhs_float))),
+			.vector3 => |lhs_vector3| self.new_vector3(lhs_vector3 - @as(Vector3, @splat(@floatCast(rhs_float)))),
 
 			else => self.raise(error.TypeMismatch, "fixed types are not multiplicable with {typename}", .{
 				.typename = addable.typename(),
@@ -742,7 +752,7 @@ pub const RuntimeEnv = struct {
 		};
 
 		if (frame.caller) |object| {
-			return object.internal().acquire();
+			return self.acquire(object);
 		}
 
 		return null;
@@ -776,18 +786,13 @@ pub const RuntimeEnv = struct {
 					}
 
 					swizzle_buffer[swizzle_count] = switch (swizzle_symbol[swizzle_count]) {
-						'x' => vector2.x,
+						'x' => vector2[0],
-						'y' => vector2.y,
+						'y' => vector2[1],
 
 						0 => return switch (swizzle_count) {
 							1 => self.new_float(swizzle_buffer[0]),
-
+							2 => self.new_vector2(.{swizzle_buffer[0], swizzle_buffer[1]}),
-							2 => self.new_vector2(.{
+							3 => self.new_vector3(swizzle_buffer),
-								.x = swizzle_buffer[0],
-								.y = swizzle_buffer[1],
-							}),
-
-							3 => self.new_vector3(Vector3.from_scalars(swizzle_buffer)),
 							else => unreachable,
 						},
 
@@ -811,19 +816,14 @@ pub const RuntimeEnv = struct {
 					}
 
 					swizzle_buffer[swizzle_count] = switch (swizzle_symbol[swizzle_count]) {
-						'x' => vector3.x,
+						'x' => vector3[0],
-						'y' => vector3.y,
+						'y' => vector3[1],
-						'z' => vector3.z,
+						'z' => vector3[2],
 
 						0 => return switch (swizzle_count) {
 							1 => self.new_float(swizzle_buffer[0]),
-
+							2 => self.new_vector2(.{swizzle_buffer[0], swizzle_buffer[1]}),
-							2 => self.new_vector2(.{
+							3 => self.new_vector3(swizzle_buffer),
-								.x = swizzle_buffer[0],
-								.y = swizzle_buffer[1],
-							}),
-
-							3 => self.new_vector3(Vector3.from_scalars(swizzle_buffer)),
 							else => unreachable,
 						},
 
@@ -897,7 +897,9 @@ pub const RuntimeEnv = struct {
 	/// `self` is returned for function chaining.
 	///
 	pub fn import(self: *RuntimeEnv, file_path: file.Path) RuntimeError!*RuntimeEnv {
-		if (self.importer_overrides.lookup(file_path)) |importer| {
+		const file_name = file_path.to_bytes();
+
+		if (self.importer_overrides.lookup(file_name)) |importer| {
 			if (try importer.invoke(self)) |object| {
 				errdefer self.release(object);
 
@@ -910,13 +912,8 @@ pub const RuntimeEnv = struct {
 		}
 
 		const callable = new_chunk: {
-			const file_name = file_path.to_bytes();
+			const file_data = (try file.allocate_and_load(self.allocator, self.options.import_access, file_path)) orelse {
-
+				return self.raise(error.BadOperation, "failed to open or read `{name}`", .{.name = file_name});
-			const file_data =
-				(try file.allocate_and_load(self.allocator, self.options.import_access, file_path)) orelse {
-					return self.raise(error.BadOperation, "failed to open or read `{name}`", .{
-						.name = file_name,
-					});
 			};
 
 			defer self.allocator.deallocate(file_data);
@@ -933,7 +930,7 @@ pub const RuntimeEnv = struct {
 						self.print_err(error_message);
 					}
 
-					return self.raise(parse_error, "failed to parse `{name}`", .{.name = file_name});
+					return self.raise(parse_error, "failed to parse `{path}`", .{.path = file_name});
 				};
 			}
 
@@ -1035,7 +1032,7 @@ pub const RuntimeEnv = struct {
 			self.release(previous_local);
 		}
 
-		local.* = if (value) |object| object.internal().acquire() else null;
+		local.* = if (value) |object| self.acquire(object) else null;
 	}
 
 	///
@@ -1112,7 +1109,7 @@ pub const RuntimeEnv = struct {
 	pub fn new_boxed(self: *RuntimeEnv, value: ?*RuntimeObj) RuntimeError!*RuntimeEnv {
 		const boxed = try RuntimeObj.allocate(self.allocator, .{
 			.ref_count = 1,
-			.payload = .{.boxed = if (value) |object| object.internal().acquire() else null},
+			.payload = .{.boxed = if (value) |object| self.acquire(object) else null},
 		});
 
 		errdefer self.release(boxed);
@@ -1343,7 +1340,7 @@ pub const RuntimeEnv = struct {
 	///
 	/// A [RuntimeError] is returned if `self` is out of memory.
 	///
-	pub fn override_import(self: *RuntimeEnv, path: file.Path, importer: Importer) RuntimeError!void {
+	pub fn override_import(self: *RuntimeEnv, path: []const coral.io.Byte, importer: Importer) RuntimeError!void {
 		_ = try self.importer_overrides.replace(path, importer);
 	}
 
@@ -1388,7 +1385,7 @@ pub const RuntimeEnv = struct {
 	///
 	pub fn push(self: *RuntimeEnv, value: ?*RuntimeObj) RuntimeError!*RuntimeEnv {
 		if (value) |object| {
-			const acquired = object.internal().acquire();
+			const acquired = self.acquire(object);
 
 			errdefer self.release(acquired);
 
@@ -1542,7 +1539,7 @@ pub const RuntimeEnv = struct {
 			.symbol => |symbol| self.new_string(coral.io.slice_sentineled(@as(coral.io.Byte, 0), symbol)),
 
 			.string => acquire: {
-				try self.locals.push_one(value.internal().acquire());
+				try self.locals.push_one(self.acquire(value));
 
 				break: acquire self;
 			},
@@ -1550,7 +1547,11 @@ pub const RuntimeEnv = struct {
 			.vector2 => |vector2| convert: {
 				var string = [_:0]coral.io.Byte{0} ** 64;
 				var buffer = coral.io.FixedBuffer{.bytes = &string};
-				const length = coral.utf8.print_formatted(buffer.as_writer(), "@vec2({x}, {y})", vector2).?;
+
+				const length = coral.utf8.print_formatted(buffer.as_writer(), "@vec2({x}, {y})", .{
+					.x = vector2[0],
+					.y = vector2[1],
+				}).?;
 
 				break: convert self.new_string(string[0 .. length]);
 			},
@@ -1558,7 +1559,12 @@ pub const RuntimeEnv = struct {
 			.vector3 => |vector3| convert: {
 				var string = [_:0]coral.io.Byte{0} ** 96;
 				var buffer = coral.io.FixedBuffer{.bytes = &string};
-				const length = coral.utf8.print_formatted(buffer.as_writer(), "@vec3({x}, {y}, {z})", vector3).?;
+
+				const length = coral.utf8.print_formatted(buffer.as_writer(), "@vec3({x}, {y}, {z})", .{
+					.x = vector3[0],
+					.y = vector3[1],
+					.z = vector3[2],
+				}).?;
 
 				break: convert self.new_string(string[0 .. length]);
 			},
@@ -1593,7 +1599,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector2()) |lhs_vector2|
-				self.new_vector2(lhs_vector2.vector_added(rhs_vector2))
+				self.new_vector2(lhs_vector2 + rhs_vector2)
 			else
 				self.raise(error.TypeMismatch, "vector2 types are not addable with {typename}", .{
 					.typename = addable.typename(),
@@ -1609,7 +1615,7 @@ pub const RuntimeEnv = struct {
 	/// `self` is returned for function chaining.
 	///
 	pub fn vector2_divide(self: *RuntimeEnv, rhs_vector2: Vector2) RuntimeError!*RuntimeEnv {
-		if (rhs_vector2.x == 0 or rhs_vector2.y == 0) {
+		if (rhs_vector2[0] == 0 or rhs_vector2[1] == 0) {
 			return self.raise(error.TypeMismatch, "cannot divide by zero", .{});
 		}
 
@@ -1618,7 +1624,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector2()) |lhs_vector2|
-				self.new_vector2(lhs_vector2.vector_divided(rhs_vector2))
+				self.new_vector2(lhs_vector2 / rhs_vector2)
 			else
 				self.raise(error.TypeMismatch, "vector2 types are not divisible with {typename}", .{
 					.typename = addable.typename(),
@@ -1639,7 +1645,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector2()) |lhs_vector2|
-				self.new_vector2(lhs_vector2.vector_multiplied(rhs_vector2))
+				self.new_vector2(lhs_vector2 * rhs_vector2)
 			else
 				self.raise(error.TypeMismatch, "vector2 types are not multiplicable with {typename}", .{
 					.typename = addable.typename(),
@@ -1660,7 +1666,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector2()) |lhs_vector2|
-				self.new_vector2(lhs_vector2.vector_subtracted(rhs_vector2))
+				self.new_vector2(lhs_vector2 - rhs_vector2)
 			else
 				self.raise(error.TypeMismatch, "vector2 types are not multiplicable with {typename}", .{
 					.typename = addable.typename(),
@@ -1680,7 +1686,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector3()) |lhs_vector3|
-				self.new_vector3(lhs_vector3.vector_added(rhs_vector3))
+				self.new_vector3(lhs_vector3 + rhs_vector3)
 			else
 				self.raise(error.TypeMismatch, "vector3 types are not addable with {typename}", .{
 					.typename = addable.typename(),
@@ -1696,7 +1702,7 @@ pub const RuntimeEnv = struct {
 	/// `self` is returned for function chaining.
 	///
 	pub fn vector3_divide(self: *RuntimeEnv, rhs_vector3: Vector3) RuntimeError!*RuntimeEnv {
-		if (rhs_vector3.x == 0 or rhs_vector3.y == 0 or rhs_vector3.z == 0) {
+		if (rhs_vector3[0] == 0 or rhs_vector3[1] == 0 or rhs_vector3[2] == 0) {
 			return self.raise(error.TypeMismatch, "cannot divide by zero", .{});
 		}
 
@@ -1705,7 +1711,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector3()) |lhs_vector3|
-				self.new_vector3(lhs_vector3.vector_divided(rhs_vector3))
+				self.new_vector3(lhs_vector3 / rhs_vector3)
 			else
 				self.raise(error.TypeMismatch, "vector3 types are not divisible with {typename}", .{
 					.typename = addable.typename(),
@@ -1726,7 +1732,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector3()) |lhs_vector3|
-				self.new_vector3(lhs_vector3.vector_multiplied(rhs_vector3))
+				self.new_vector3(lhs_vector3 * rhs_vector3)
 			else
 				self.raise(error.TypeMismatch, "vector3 types are not multiplicable with {typename}", .{
 					.typename = addable.typename(),
@@ -1747,7 +1753,7 @@ pub const RuntimeEnv = struct {
 		defer self.release(addable);
 
 		return if (addable.is_vector3()) |lhs_vector3|
-				self.new_vector3(lhs_vector3.vector_subtracted(rhs_vector3))
+				self.new_vector3(lhs_vector3 - rhs_vector3)
 			else
 				self.raise(error.TypeMismatch, "vector3 types are not multiplicable with {typename}", .{
 					.typename = addable.typename(),
@@ -1791,7 +1797,7 @@ pub const RuntimeEnv = struct {
 					self.release(unboxed_object);
 				}
 
-				unboxed_value.* = if (value) |object| object.internal().acquire() else null;
+				unboxed_value.* = if (value) |object| self.acquire(object) else null;
 			},
 
 			else => return self.raise(error.TypeMismatch, "{typename} is not unboxable", .{
@@ -1865,12 +1871,6 @@ pub const RuntimeObj = opaque {
 				}
 			},
 		},
-
-		fn acquire(self: *Internal) *RuntimeObj {
-			self.ref_count += 1;
-
-			return @ptrCast(self);
-		}
 	};
 
 	fn allocate(allocator: coral.io.Allocator, data: Internal) coral.io.AllocationError!*RuntimeObj {
@@ -1909,12 +1909,12 @@ pub const RuntimeObj = opaque {
 			.boxed => |boxed| if (boxed) |object| self.equals(object) else false,
 
 			.vector2 => |lhs_vector2| switch (other.internal().payload) {
-				.vector2 => |rhs_vector2| lhs_vector2.equals(rhs_vector2),
+				.vector2 => |rhs_vector2| lhs_vector2[0] == rhs_vector2[0] and lhs_vector2[1] == rhs_vector2[1],
 				else => false,
 			},
 
 			.vector3 => |lhs_vector3| switch (other.internal().payload) {
-				.vector3 => |rhs_vector3| lhs_vector3.equals(rhs_vector3),
+				.vector3 => |rhs_vector3| lhs_vector3[0] == rhs_vector3[0] and lhs_vector3[1] == rhs_vector3[1] and lhs_vector3[2] == rhs_vector3[2],
 				else => false,
 			},
 
@@ -1948,8 +1948,8 @@ pub const RuntimeObj = opaque {
 			.float => |float| @bitCast(float),
 			.fixed => |fixed| @intCast(@as(u32, @bitCast(fixed))),
 			.symbol => |symbol| @intFromPtr(symbol),
-			.vector2 => |vector| @bitCast(vector.to_scalars()),
+			.vector2 => |vector| @bitCast(vector),
-			.vector3 => |vector| coral.io.jenkins_hash(@typeInfo(usize).Int, coral.io.bytes_of(&vector.to_scalars())),
+			.vector3 => |vector| coral.io.jenkins_hash(@typeInfo(usize).Int, coral.io.bytes_of(&vector)),
 			.syscall => |syscall| @intFromPtr(syscall),
 			.boxed => |boxed| @intFromPtr(boxed),
 			.string => |string| coral.io.djb2_hash(@typeInfo(usize).Int, string.unpack()),
@@ -2138,7 +2138,7 @@ pub const Typeinfo = struct {
 		pub fn get_index(self: *const GetContext) *RuntimeObj {
 			coral.debug.assert(self.env.locals.values.len > 0);
 
-			return self.env.locals.values[self.env.locals.values.len - 1].?.internal().acquire();
+			return self.env.acquire(self.env.locals.values[self.env.locals.values.len - 1].?);
 		}
 	};
 
@@ -2161,7 +2161,7 @@ pub const Typeinfo = struct {
 		pub fn get_index(self: *const SetContext) *RuntimeObj {
 			coral.debug.assert(self.env.locals.values.len > 0);
 
-			return self.env.locals.values[self.env.locals.values.len - 1].?.internal().acquire();
+			return self.env.acquire(self.env.locals.values[self.env.locals.values.len - 1].?);
 		}
 
 		///
@@ -2174,7 +2174,7 @@ pub const Typeinfo = struct {
 		pub fn get_value(self: *const SetContext) ?*RuntimeObj {
 			coral.debug.assert(self.env.locals.values.len > 1);
 
-			return if (self.env.locals.values[self.env.locals.values.len - 2]) |object| object.internal().acquire() else null;
+			return if (self.env.locals.values[self.env.locals.values.len - 2]) |object| self.env.acquire(object) else null;
 		}
 	};
 
@@ -2206,12 +2206,12 @@ pub const Typeinfo = struct {
 ///
 /// 2-component vector type.
 ///
-pub const Vector2 = gfx.lina.Vector2;
+pub const Vector2 = @Vector(2, f32);
 
 ///
 /// 3-component vector type.
 ///
-pub const Vector3 = gfx.lina.Vector3;
+pub const Vector3 = @Vector(3, f32);
 
 ///
 /// Higher-level wrapper for [RuntimeEnv.index_get] that makes it easier to index [Fixed] keys of objects.

source/ona/script/Chunk.zig

@@ -2,19 +2,19 @@ const coral = @import("coral");
 
 const file = @import("../file.zig");
 
-const kym = @import("../kym.zig");
+const script = @import("../script.zig");
 
 const tokens = @import("./tokens.zig");
 
 const tree = @import("./tree.zig");
 
-name: *kym.RuntimeObj,
+name: *script.RuntimeObj,
 arity: u8,
 opcodes: OpcodeList,
 lines: LineList,
 cursor: usize,
 constants: ConstList,
-bindings: []?*kym.RuntimeObj,
+bindings: []?*script.RuntimeObj,
 
 const Builtin = enum {
 	import,
@@ -25,9 +25,9 @@ const Builtin = enum {
 
 const Compiler = struct {
 	chunk: *Self,
-	env: *kym.RuntimeEnv,
+	env: *script.RuntimeEnv,
 
-	fn compile_argument(self: *const Compiler, environment: *const tree.Environment, initial_argument: ?*const tree.Expr) kym.RuntimeError!u8 {
+	fn compile_argument(self: *const Compiler, environment: *const tree.Environment, initial_argument: ?*const tree.Expr) script.RuntimeError!u8 {
 		// TODO: Exceeding 255 arguments will make the VM crash.
 		var maybe_argument = initial_argument;
 		var argument_count = @as(u8, 0);
@@ -42,7 +42,7 @@ const Compiler = struct {
 		return argument_count;
 	}
 
-	fn compile_expression(self: *const Compiler, environment: *const tree.Environment, expression: *const tree.Expr, name: ?[]const coral.io.Byte) kym.RuntimeError!void {
+	fn compile_expression(self: *const Compiler, environment: *const tree.Environment, expression: *const tree.Expr, name: ?[]const coral.io.Byte) script.RuntimeError!void {
 		const number_format = coral.utf8.DecimalFormat{
 			.delimiter = "_",
 			.positive_prefix = .none,
@@ -57,13 +57,13 @@ const Compiler = struct {
 				for (literal) |codepoint| {
 					if (codepoint == '.') {
 						return self.chunk.write(expression.line, .{
-							.push_const = try self.declare_float(number_format.parse(literal, kym.Float) orelse unreachable),
+							.push_const = try self.declare_float(number_format.parse(literal, script.Float) orelse unreachable),
 						});
 					}
 				}
 
 				try self.chunk.write(expression.line, .{
-					.push_const = try self.declare_fixed(number_format.parse(literal, kym.Fixed) orelse unreachable),
+					.push_const = try self.declare_fixed(number_format.parse(literal, script.Fixed) orelse unreachable),
 				});
 			},
 
@@ -181,11 +181,10 @@ const Compiler = struct {
 
 			.declaration_get => |declaration_get| {
 				if (get_local_index(environment, declaration_get.declaration)) |index| {
+					try self.chunk.write(expression.line, .{.push_local = index});
+
 					if (is_declaration_boxed(declaration_get.declaration)) {
-						try self.chunk.write(expression.line, .{.push_local = index});
 						try self.chunk.write(expression.line, .get_box);
-					} else {
-						try self.chunk.write(expression.line, .{.push_local = index});
 					}
 
 					return;
@@ -270,7 +269,7 @@ const Compiler = struct {
 		}
 	}
 
-	pub fn compile_environment(self: *const Compiler, environment: *const tree.Environment) kym.RuntimeError!void {
+	pub fn compile_environment(self: *const Compiler, environment: *const tree.Environment) script.RuntimeError!void {
 		if (environment.statement) |statement| {
 			const last_statement = try self.compile_statement(environment, statement);
 
@@ -280,7 +279,7 @@ const Compiler = struct {
 		}
 	}
 
-	fn compile_statement(self: *const Compiler, environment: *const tree.Environment, initial_statement: *const tree.Stmt) kym.RuntimeError!*const tree.Stmt {
+	fn compile_statement(self: *const Compiler, environment: *const tree.Environment, initial_statement: *const tree.Stmt) script.RuntimeError!*const tree.Stmt {
 		var current_statement = initial_statement;
 
 		while (true) {
@@ -346,7 +345,7 @@ const Compiler = struct {
 
 	const constants_max = @as(usize, coral.math.max_int(@typeInfo(u16).Int));
 
-	fn declare_chunk(self: *const Compiler, chunk: Self) kym.RuntimeError!u16 {
+	fn declare_chunk(self: *const Compiler, chunk: Self) script.RuntimeError!u16 {
 		if (self.chunk.constants.values.len == coral.math.max_int(@typeInfo(u16).Int)) {
 			return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
 				.max = @as(usize, coral.math.max_int(@typeInfo(u16).Int)),
@@ -362,7 +361,7 @@ const Compiler = struct {
 		return @intCast(self.chunk.constants.values.len - 1);
 	}
 
-	fn declare_fixed(self: *const Compiler, fixed: kym.Fixed) kym.RuntimeError!u16 {
+	fn declare_fixed(self: *const Compiler, fixed: script.Fixed) script.RuntimeError!u16 {
 		if (self.chunk.constants.values.len == constants_max) {
 			return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
 				.max = constants_max,
@@ -378,7 +377,7 @@ const Compiler = struct {
 		return @intCast(self.chunk.constants.values.len - 1);
 	}
 
-	fn declare_float(self: *const Compiler, float: kym.Float) kym.RuntimeError!u16 {
+	fn declare_float(self: *const Compiler, float: script.Float) script.RuntimeError!u16 {
 		if (self.chunk.constants.values.len == constants_max) {
 			return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
 				.max = constants_max,
@@ -394,7 +393,7 @@ const Compiler = struct {
 		return @intCast(self.chunk.constants.values.len - 1);
 	}
 
-	fn declare_string(self: *const Compiler, string: []const coral.io.Byte) kym.RuntimeError!u16 {
+	fn declare_string(self: *const Compiler, string: []const coral.io.Byte) script.RuntimeError!u16 {
 		if (self.chunk.constants.values.len == constants_max) {
 			return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
 				.max = constants_max,
@@ -410,7 +409,7 @@ const Compiler = struct {
 		return @intCast(self.chunk.constants.values.len - 1);
 	}
 
-	fn declare_symbol(self: *const Compiler, symbol: []const coral.io.Byte) kym.RuntimeError!u16 {
+	fn declare_symbol(self: *const Compiler, symbol: []const coral.io.Byte) script.RuntimeError!u16 {
 		if (self.chunk.constants.values.len == constants_max) {
 			return self.env.raise(error.BadSyntax, "chunks cannot contain more than {max} constants", .{
 				.max = constants_max,
@@ -426,7 +425,7 @@ const Compiler = struct {
 		return @intCast(self.chunk.constants.values.len - 1);
 	}
 
-	fn get_binding_index(environment: *const tree.Environment, declaration: *const tree.Declaration) kym.RuntimeError!?u8 {
+	fn get_binding_index(environment: *const tree.Environment, declaration: *const tree.Declaration) script.RuntimeError!?u8 {
 		var binding_index = @as(u8, 0);
 
 		while (binding_index < environment.capture_count) : (binding_index += 1) {
@@ -467,7 +466,7 @@ const Compiler = struct {
 	}
 };
 
-const ConstList = coral.list.Stack(*kym.RuntimeObj);
+const ConstList = coral.list.Stack(*script.RuntimeObj);
 
 const LineList = coral.list.Stack(tokens.Line);
 
@@ -516,7 +515,7 @@ const OpcodeList = coral.list.Stack(Opcode);
 
 const Self = @This();
 
-pub fn deinit(self: *Self, env: *kym.RuntimeEnv) void {
+pub fn deinit(self: *Self, env: *script.RuntimeEnv) void {
 	while (self.constants.pop()) |constant| {
 		env.release(constant);
 	}
@@ -538,7 +537,7 @@ pub fn deinit(self: *Self, env: *kym.RuntimeEnv) void {
 	self.bindings = &.{};
 }
 
-pub fn dump(chunk: Self, env: *kym.RuntimeEnv) kym.RuntimeError!*kym.RuntimeObj {
+pub fn dump(chunk: Self, env: *script.RuntimeEnv) script.RuntimeError!*script.RuntimeObj {
 	var opcode_cursor = @as(u32, 0);
 	var buffer = coral.list.ByteStack.init(env.allocator);
 
@@ -629,7 +628,7 @@ pub fn dump(chunk: Self, env: *kym.RuntimeEnv) kym.RuntimeError!*kym.RuntimeObj
 	return (try env.new_string(buffer.values)).pop().?;
 }
 
-pub fn execute(self: *Self, env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
+pub fn execute(self: *Self, env: *script.RuntimeEnv) script.RuntimeError!?*script.RuntimeObj {
 	self.cursor = 0;
 
 	while (self.cursor < self.opcodes.values.len) : (self.cursor += 1) {
@@ -693,7 +692,7 @@ pub fn execute(self: *Self, env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.Runtime
 					return env.raise(error.IllegalState, "cannot bind values to an already-bound chunk", .{});
 				}
 
-				chunk.bindings = try coral.io.allocate_many(env.allocator, bind, @as(?*kym.RuntimeObj, null));
+				chunk.bindings = try coral.io.allocate_many(env.allocator, bind, @as(?*script.RuntimeObj, null));
 
 				for (0 .. bind) |index| {
 					const value = env.pop();
@@ -897,7 +896,7 @@ pub fn execute(self: *Self, env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.Runtime
 	return env.pop();
 }
 
-fn get_binding(self: *Self, env: *kym.RuntimeEnv, index: usize) kym.RuntimeError!?*kym.RuntimeObj {
+fn get_binding(self: *Self, env: *script.RuntimeEnv, index: usize) script.RuntimeError!?*script.RuntimeObj {
 	if (index >= self.bindings.len) {
 		return env.raise(error.IllegalState, "invalid binding", .{});
 	}
@@ -905,7 +904,7 @@ fn get_binding(self: *Self, env: *kym.RuntimeEnv, index: usize) kym.RuntimeError
 	return self.bindings[index];
 }
 
-fn get_constant(self: *const Self, env: *kym.RuntimeEnv, index: usize) kym.RuntimeError!*kym.RuntimeObj {
+fn get_constant(self: *const Self, env: *script.RuntimeEnv, index: usize) script.RuntimeError!*script.RuntimeObj {
 	if (index >= self.constants.values.len) {
 		return env.raise(error.IllegalState, "invalid constant", .{});
 	}
@@ -913,7 +912,7 @@ fn get_constant(self: *const Self, env: *kym.RuntimeEnv, index: usize) kym.Runti
 	return self.constants.values[index];
 }
 
-pub fn init(env: *kym.RuntimeEnv, name: []const coral.io.Byte, environment: *const tree.Environment) kym.RuntimeError!Self {
+pub fn init(env: *script.RuntimeEnv, name: []const coral.io.Byte, environment: *const tree.Environment) script.RuntimeError!Self {
 	var chunk = Self{
 		.name = (try env.new_symbol(name)).pop().?,
 		.opcodes = OpcodeList.init(env.allocator),
@@ -934,17 +933,19 @@ pub fn init(env: *kym.RuntimeEnv, name: []const coral.io.Byte, environment: *con
 	return chunk;
 }
 
-fn syscall_import(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
+fn syscall_import(env: *script.RuntimeEnv) script.RuntimeError!?*script.RuntimeObj {
-	const arg = (try env.arg(0)).pop() orelse {
+	const arg = try env.expect_object((try env.arg(0)).pop());
-		return env.raise(error.BadOperation, "`@import` requires one argument to be a valid import path", .{});
-	};
 
 	defer env.release(arg);
 
-	return (try env.import(file.Path.of(&.{try env.expect_string(arg)}))).pop();
+	const file_path = file.Path.from_bytes(try env.expect_string(arg)) catch {
+		return env.raise(error.TypeMismatch, "`@import` requires argument `0` to be a valid import path", .{});
+	};
+
+	return (try env.import(file_path)).pop();
 }
 
-fn syscall_print(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
+fn syscall_print(env: *script.RuntimeEnv) script.RuntimeError!?*script.RuntimeObj {
 	const string = (try (try env.arg(0)).to_string()).pop().?;
 
 	defer env.release(string);
@@ -954,7 +955,7 @@ fn syscall_print(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
 	return null;
 }
 
-fn syscall_vec2(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
+fn syscall_vec2(env: *script.RuntimeEnv) script.RuntimeError!?*script.RuntimeObj {
 	const x = @as(f32, get_x: {
 		const x = (try env.arg(0)).pop() orelse {
 			return env.raise(error.BadOperation, "a first argument is required to create a vector", .{});
@@ -968,16 +969,13 @@ fn syscall_vec2(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
 	if ((try env.arg(1)).pop()) |y| {
 		defer env.release(y);
 
-		return (try env.new_vector2(.{
+		return (try env.new_vector2(.{x, @as(f32, @floatCast(try env.expect_float(y)))})).pop();
-			.y = @floatCast(try env.expect_float(y)),
-			.x = x,
-		})).pop();
 	}
 
-	return (try env.new_vector2(kym.Vector2.from_scalar(x))).pop();
+	return (try env.new_vector2(@splat(x))).pop();
 }
 
-fn syscall_vec3(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
+fn syscall_vec3(env: *script.RuntimeEnv) script.RuntimeError!?*script.RuntimeObj {
 	const x = @as(f32, get_x: {
 		const x = (try env.arg(0)).pop() orelse {
 			return env.raise(error.BadOperation, "a first argument is required to create a vector", .{});
@@ -991,8 +989,7 @@ fn syscall_vec3(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
 	if ((try env.arg(1)).pop()) |y| {
 		defer env.release(y);
 
-		return (try env.new_vector3(.{
+		return (try env.new_vector3(.{x, @as(f32, @floatCast(try env.expect_float(y))), @as(f32, get_z: {
-			.z = @as(f32, get_z: {
 			const z = (try env.arg(0)).pop() orelse {
 				return env.raise(error.BadOperation,
 					"a third argument is required to create a vector if a first and second exist", .{});
@@ -1001,17 +998,13 @@ fn syscall_vec3(env: *kym.RuntimeEnv) kym.RuntimeError!?*kym.RuntimeObj {
 			defer env.release(z);
 
 			break: get_z @floatCast(try env.expect_float(z));
-			}),
+		})})).pop();
-
-			.y = @floatCast(try env.expect_float(y)),
-			.x = x,
-		})).pop();
 	}
 
-	return (try env.new_vector3(kym.Vector3.from_scalar(x))).pop();
+	return (try env.new_vector3(@splat(x))).pop();
 }
 
-pub const typeinfo = &kym.Typeinfo{
+pub const typeinfo = &script.Typeinfo{
 	.size = @sizeOf(Self),
 	.name = "lambda",
 	.destruct = typeinfo_destruct,
@@ -1019,15 +1012,15 @@ pub const typeinfo = &kym.Typeinfo{
 	.to_string = typeinfo_to_string,
 };
 
-fn typeinfo_call(context: kym.Typeinfo.CallContext) kym.RuntimeError!?*kym.RuntimeObj {
+fn typeinfo_call(context: script.Typeinfo.CallContext) script.RuntimeError!?*script.RuntimeObj {
 	return @as(*Self, @ptrCast(@alignCast(context.userdata))).execute(context.env);
 }
 
-fn typeinfo_destruct(context: kym.Typeinfo.DestructContext) void {
+fn typeinfo_destruct(context: script.Typeinfo.DestructContext) void {
 	@as(*Self, @ptrCast(@alignCast(context.userdata))).deinit(context.env);
 }
 
-fn typeinfo_to_string(context: kym.Typeinfo.ToStringContext) kym.RuntimeError!*kym.RuntimeObj {
+fn typeinfo_to_string(context: script.Typeinfo.ToStringContext) script.RuntimeError!*script.RuntimeObj {
 	return (try (try context.env.push(@as(*Self, @ptrCast(@alignCast(context.userdata))).name)).to_string()).pop().?;
 }
 

source/ona/script/Table.zig

@@ -1,21 +1,21 @@
 const coral = @import("coral");
 
-const kym = @import("../kym.zig");
+const script = @import("../script.zig");
 
 associative: RefTable,
 contiguous: RefList,
 
-const RefList = coral.list.Stack(?*kym.RuntimeObj);
+const RefList = coral.list.Stack(?*script.RuntimeObj);
 
-const RefTable = coral.map.Table(*kym.RuntimeObj, *kym.RuntimeObj, struct {
+const RefTable = coral.map.Table(*script.RuntimeObj, *script.RuntimeObj, struct {
-	pub const hash = kym.RuntimeObj.hash;
+	pub const hash = script.RuntimeObj.hash;
 
-	pub const equals = kym.RuntimeObj.equals;
+	pub const equals = script.RuntimeObj.equals;
 });
 
 const Self = @This();
 
-pub fn deinit(self: *Self, env: *kym.RuntimeEnv) void {
+pub fn deinit(self: *Self, env: *script.RuntimeEnv) void {
 	{
 		var field_iterable = self.associative.as_iterable();
 
@@ -36,14 +36,14 @@ pub fn deinit(self: *Self, env: *kym.RuntimeEnv) void {
 	self.contiguous.deinit();
 }
 
-pub fn init(env: *kym.RuntimeEnv) Self {
+pub fn init(env: *script.RuntimeEnv) Self {
 	return .{
 		.associative = RefTable.init(env.allocator, .{}),
 		.contiguous = RefList.init(env.allocator),
 	};
 }
 
-pub const typeinfo = &kym.Typeinfo{
+pub const typeinfo = &script.Typeinfo{
 	.size = @sizeOf(Self),
 	.name = "table",
 	.destruct = typeinfo_destruct,
@@ -51,11 +51,11 @@ pub const typeinfo = &kym.Typeinfo{
 	.set = typeinfo_set,
 };
 
-fn typeinfo_destruct(context: kym.Typeinfo.DestructContext) void {
+fn typeinfo_destruct(context: script.Typeinfo.DestructContext) void {
 	@as(*Self, @ptrCast(@alignCast(context.userdata))).deinit(context.env);
 }
 
-fn typeinfo_get(context: kym.Typeinfo.GetContext) kym.RuntimeError!?*kym.RuntimeObj {
+fn typeinfo_get(context: script.Typeinfo.GetContext) script.RuntimeError!?*script.RuntimeObj {
 	const table = @as(*Self, @ptrCast(@alignCast(context.userdata)));
 	const index = context.get_index();
 
@@ -79,7 +79,7 @@ fn typeinfo_get(context: kym.Typeinfo.GetContext) kym.RuntimeError!?*kym.Runtime
 	return null;
 }
 
-fn typeinfo_set(context: kym.Typeinfo.SetContext) kym.RuntimeError!void {
+fn typeinfo_set(context: script.Typeinfo.SetContext) script.RuntimeError!void {
 	const table = @as(*Self, @ptrCast(@alignCast(context.userdata)));
 	const index = context.get_index();
 

source/runner.zig

@@ -1,5 +1,185 @@
+const coral = @import("coral");
+
 const ona = @import("ona");
 
-pub fn main() void {
+pub const ScriptPlugin = struct {
-	ona.run_app(.{.sandboxed_path = &ona.file.Path.cwd});
+	env: ona.script.RuntimeEnv,
+	events: ?*ona.script.RuntimeObj,
+
+	const EventsObject = struct {
+		updaters: RuntimeObjList,
+		loop: *ona.GraphicsLoop,
+
+		fn get(context: ona.script.Typeinfo.GetContext) ona.script.RuntimeError!?*ona.script.RuntimeObj {
+			const index = context.get_index();
+
+			defer context.env.release(index);
+
+			inline for ([_][]const u8{"on_update"}) |name| {
+				const symbol = (try context.env.new_symbol(name)).pop().?;
+
+				defer context.env.release(symbol);
+
+				if (index.equals(symbol)) {
+					return (try context.env.new_syscall(@field(EventsObject, name))).pop();
+				}
+			}
+
+			return null;
+		}
+
+		fn on_update(env: *ona.script.RuntimeEnv) ona.script.RuntimeError!?*ona.script.RuntimeObj {
+			const caller = try env.expect_object(try env.get_caller());
+
+			defer env.release(caller);
+
+			const updater = try env.expect_object((try env.arg(0)).pop());
+
+			errdefer env.release(updater);
+
+			try @as(*EventsObject, @ptrCast(@alignCast(try env.expect_dynamic(caller, typeinfo)))).updaters.push_one(updater);
+
+			return null;
+		}
+
+		const typeinfo = &ona.script.Typeinfo{
+			.name = "events",
+			.size = @sizeOf(EventsObject),
+			.get = get,
+		};
+
+		fn update(env: *ona.script.RuntimeEnv, _: *ona.GraphicsLoop) void {
+			return ((env.arg(0) catch return).call(0, null) catch return).discard();
+		}
+	};
+
+	const RuntimeObjList = coral.list.Stack(*ona.script.RuntimeObj);
+
+	pub fn deinit(self: *ScriptPlugin) void {
+		if (self.events) |object| {
+			self.env.release(object);
+		}
+
+		self.env.deinit();
+	}
+
+	fn import_events(self: *ScriptPlugin, env: *ona.script.RuntimeEnv) ona.script.RuntimeError!?*ona.script.RuntimeObj {
+		return env.acquire(self.events.?);
+	}
+
+	pub fn init() coral.io.AllocationError!ScriptPlugin {
+		var env = try ona.script.RuntimeEnv.init(ona.heap.allocator, 255, .{
+			.print_out = ona.log_info,
+			.print_err = ona.log_fail,
+		});
+
+		errdefer env.deinit();
+
+		return .{
+			.env = env,
+			.events = null,
+		};
+	}
+
+	fn load(self: *ScriptPlugin, loop: *ona.GraphicsLoop) void {
+		self.events = (self.env.new_dynamic(EventsObject.typeinfo, EventsObject{
+			.updaters = RuntimeObjList.init(ona.heap.allocator),
+			.loop =  loop,
+		}) catch {
+			return ona.log_fail("failed to instantiate events object");
+		}).pop();
+
+		self.env.override_import("events", ona.script.Importer.bind(ScriptPlugin, self, import_events)) catch {
+			return ona.log_fail("failed to overide native import paths");
+		};
+
+		self.reload(loop) catch {};
+	}
+
+	fn reload(self: *ScriptPlugin, loop: *ona.GraphicsLoop) ona.script.RuntimeError!void {
+		var title = comptime try coral.utf8.SmallString.from_units("Ona");
+		var res_width = @as(u16, 640);
+		var res_height = @as(u16, 480);
+		var tick_rate = @as(f64, 60);
+
+		if ((try self.env.import(comptime try ona.file.Path.from_bytes("app.ona"))).pop()) |manifest| {
+			defer self.env.release(manifest);
+
+			if (try ona.script.get_field(&self.env, manifest, "res_width")) |object| {
+				defer self.env.release(object);
+
+				const int = @typeInfo(@TypeOf(res_width)).Int;
+
+				res_width = coral.math.checked_cast(int, try self.env.expect_fixed(object)) orelse {
+					return self.env.raise(error.TypeMismatch, "`res_width` property cannot be greater than `{max}`", .{
+						.max = coral.math.max_int(int),
+					});
+				};
+			}
+
+			if (try ona.script.get_field(&self.env, manifest, "res_height")) |object| {
+				defer self.env.release(object);
+
+				const int = @typeInfo(@TypeOf(res_height)).Int;
+
+				res_height = coral.math.checked_cast(int, try self.env.expect_fixed(object)) orelse {
+					return self.env.raise(error.TypeMismatch, "`res_height` property cannot be greater than `{max}`", .{
+						.max = coral.math.max_int(int),
+					});
+				};
+			}
+
+			if (try ona.script.get_field(&self.env, manifest, "tick_rate")) |object| {
+				defer self.env.release(object);
+
+				tick_rate = try self.env.expect_float(object);
+			}
+
+			if (try ona.script.get_field(&self.env, manifest, "title")) |object| {
+				defer self.env.release(object);
+
+				title = coral.utf8.SmallString.from_units(try self.env.expect_string(object)) catch |from_error| {
+					return switch (from_error) {
+						error.InvalidUtf8 => self.env.raise(error.TypeMismatch, "`title` cannot contain invalid utf8", .{}),
+						error.TooBig => self.env.raise(error.TypeMismatch, "`title` is too long", .{}),
+					};
+				};
+			}
+
+			loop.set_resolution(res_width, res_height);
+			loop.set_title(title);
+			loop.set_tick_rate(tick_rate);
+		}
+	}
+
+	fn update(self: *ScriptPlugin, graphics_update: ona.GraphicsUpdate) void {
+		if (graphics_update.loop.is_key_pressed(ona.Key.f5)) {
+			self.reload(graphics_update.loop) catch {};
+		}
+
+		const eventsect = @as(*EventsObject, @ptrCast(@alignCast(self.env.expect_dynamic(self.events.?, EventsObject.typeinfo) catch {
+			return;
+		})));
+
+		const dt = (self.env.new_float(graphics_update.delta_time) catch return).pop().?;
+
+		defer self.env.release(dt);
+
+		for (eventsect.updaters.values) |updater| {
+			(((self.env.push(dt) catch return).push(updater) catch return).call(1, null) catch return).discard();
+		}
+	}
+};
+
+pub fn main() void {
+	var script_plugin = ScriptPlugin.init() catch {
+		return ona.log_fail("failed to initialize script plugin");
+	};
+
+	defer script_plugin.deinit();
+
+	ona.start_graphics(&.{
+		.{.loader = ona.GraphicsLoader.bind(ScriptPlugin, &script_plugin, ScriptPlugin.load)},
+		.{.updater = ona.GraphicsUpdater.bind(ScriptPlugin, &script_plugin, ScriptPlugin.update)},
+	});
 }