Add middle mouse navigation on map

.gitignore

@@ -0,0 +1 @@
+build

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+	"deno.enable": true,
+	"deno.unstable": true
+}

README.md

@@ -1,2 +1,13 @@
 # fantasy-console
 
+To run, 
+```
+deno task run
+```
+
+To compile
+```
+deno task build
+```
+
+You may need to install `xsel` on Linux machines to use this.

builtins.ts

@@ -0,0 +1,195 @@
+import {
+	setPixelsInRect,
+	clearScreen,
+	fillRect,
+cameraPos,
+fillCircle,
+outlineCircle,
+fillEllipse,
+outlineEllipse,
+setPixelColor,
+} from "./window.ts";
+import { CHAR, Font, font } from "./font.ts";
+import { K, keyDown, keyPressed, keyReleased } from "./keyboard.ts";
+import { addToContext, runCode } from "./runcode.ts";
+import { resetRepl } from "./repl.ts";
+import { COLOR } from "./colors.ts";
+import { getSheet, getCodeSheet, getMapSheet } from "./sheet.ts";
+import { saveCart, loadCart } from "./cart.ts";
+import { outlineRect } from "./util.ts";
+
+let spritesheet: number | null = null;
+
+export const getSpritesheet = () => {
+	return spritesheet;
+}
+
+export const useSpritesheet = (sheet: number) => {
+	spritesheet = sheet;
+}
+
+export const drawSprite = (x: number, y: number, spr: number) => {
+	if (!spritesheet) {
+		return;
+	}
+	const {sheet_type, value: sprites} = getSheet(spritesheet);
+	if (sheet_type !== "spritesheet") {
+		throw "Trying to run a non-code sheet as code."
+	}
+	setPixelsInRect(x, y, 8, sprites[spr]);
+}
+
+export const drawIcon = (x: number, y: number, icon: Array<number>, color: number) => {
+	setPixelsInRect(x, y, 8, icon.map(n => n*color));
+}
+
+export const measureCharFont = (char: string, fnt: Font) => {
+	return (fnt.chars[char]?.length ?? 0)/fnt.height;
+}
+
+export const drawCharFont = (x: number, y: number, char: string, fnt: Font, color: number) => {
+	const w = measureCharFont(char, fnt);
+	if (!fnt.chars[char]) {
+		return 0;
+	}
+	setPixelsInRect(x, y, w, fnt.chars[char].map(n => n*color));
+	return w;
+}
+
+export const drawTextFont = (x: number, y: number, text: string, fnt: Font, color?: number) => {
+	let dx = 0;
+	[...text].forEach((char) => {
+		dx += 1+drawCharFont(x+dx, y, char, fnt, color ?? COLOR.WHITE);
+	});
+	return dx-1;
+}
+
+export const measureTextFont = (text: string, fnt: Font) => {
+	let w = 0;
+	[...text].forEach((char) => {
+		w += measureCharFont(char, fnt)+1;
+	});
+	return Math.max(0, w-1);
+}
+
+export const drawText = (x: number, y: number, text: string, color?: number) => {
+	return drawTextFont(x, y, text, font, color);
+}
+
+export const measureText = (text: string) => {
+	return measureTextFont(text, font);
+}
+
+export const camera = (x: number, y: number) => {
+	cameraPos.x = x;
+	cameraPos.y = y;
+};
+
+const faux = {
+	// Graphics
+	cls: () => {
+		resetRepl();
+		clearScreen();
+	},
+	camera,
+	sprsht: useSpritesheet,
+	spr: drawSprite,
+	txt: drawText,
+	rectfill: fillRect,
+	rect: outlineRect,
+	circfill: fillCircle,
+	circ: outlineCircle,
+	ovalfill: fillEllipse,
+	oval: outlineEllipse,
+	pset: setPixelColor,
+	map: (mapSheet: number, tileX: number, tileY: number, screenX: number, screenY: number, tileW: number, tileH: number) => {
+		const originalSpritesheet = getSpritesheet() ?? 0;
+		getMapSheet(mapSheet).values.forEach(([sprSheet, spr], i) => {
+			const x = i%64;
+			const y = Math.floor(i/64);
+			if (x >= tileX && y >= tileY && x < tileX + tileW && y < tileY + tileH) {
+				useSpritesheet(sprSheet);
+				drawSprite(screenX + (x-tileX)*8, screenY + (y-tileY)*8, spr);
+			}
+		});
+		useSpritesheet(originalSpritesheet);
+	},
+	// Map
+	mgetsht: (mapSheet: number, x: number, y: number) => {
+		if (x < 0 || x >= 64 || y < 0 || y >= 64) {
+			return undefined;
+		}
+		return getMapSheet(mapSheet).get(x, y)[0];
+	},
+	mgetspr: (mapSheet: number, x: number, y: number) => {
+		if (x < 0 || x >= 64 || y < 0 || y >= 64) {
+			return undefined;
+		}
+		return getMapSheet(mapSheet).get(x, y)[1];
+	},
+	mset: (mapSheet: number, x: number, y: number, sprSheet: number, spr: number) => {
+		if (x < 0 || x >= 64 || y < 0 || y >= 64) {
+			return;
+		}
+		getMapSheet(mapSheet).set(x, y, [sprSheet, spr]);
+	},
+	// Input
+	[CHAR.UP]: K.ARROW_UP,
+	[CHAR.DOWN]: K.ARROW_DOWN,
+	[CHAR.LEFT]: K.ARROW_LEFT,
+	[CHAR.RIGHT]: K.ARROW_RIGHT,
+	btn: keyDown,
+	btnp: keyPressed,
+	btnr: keyReleased,
+	// Cart
+	save: saveCart,
+	load: loadCart,
+	// JS
+	Array,
+	BigInt: BigInt,
+	Boolean,
+	Date,
+	Error,
+	Function,
+	Infinity: Infinity,
+	JSON: JSON,
+	Map,
+	NaN: NaN,
+	Number,
+	Object,
+	Promise,
+	Proxy,
+	Reflect: Reflect,
+	RegExp,
+	Set,
+	String,
+	Symbol: Symbol,
+	WeakMap,
+	WeakRef,
+	WeakSet,
+	isFinite,
+	isNaN,
+	// Math
+	max: Math.max,
+	min: Math.min,
+	floor: Math.floor,
+	ceil: Math.ceil,
+	sin: Math.sin,
+	cos: Math.cos,
+	atan2: Math.atan2,
+	sqrt: Math.sqrt,
+	abs: Math.abs,
+	rand: Math.random,
+	[CHAR.PI]: Math.PI,
+	// Other
+	code: (n: number) => {
+		return runCode(getCodeSheet(n));
+	},
+	log: console.log,
+};
+
+for (const key in faux) {
+	addToContext(key, faux[key as keyof typeof faux]);
+}
+
+export default faux;

cart.ts

@@ -0,0 +1,22 @@
+import { path } from "./deps.ts";
+import initialCart from "./initialCart.json" assert { type: "json" };
+import { Sheet } from "./sheet.ts";
+
+let cart = initialCart as Array<Sheet>;
+
+const virtualPathToRealPath = (virtualFname: string) => {
+	const realPath = path.join(".", "carts", ...virtualFname.split("/"));
+	return realPath;
+}
+
+export const saveCart = async (fname: string) => {
+	await Deno.writeTextFile(virtualPathToRealPath(fname+".fx"), JSON.stringify(getCart()));
+}
+
+export const loadCart = async (fname: string) => {
+	cart = JSON.parse(await Deno.readTextFile(virtualPathToRealPath(fname+".fx")));
+}
+
+export const getCart = () => {
+	return cart;
+}

carts/empty.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":""},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null}]

carts/test.fx

@@ -0,0 +1,707 @@
+[
+	{
+		"sheet_type": "code",
+		"value": "x = code(1);\nreturn {\n\tinit: () => {y = 0},\n\tupdate: () => {\n\t\ty += speed;\n\t\tif (y > 127) {\n\t\t\ty = -6\n\t\t}\n\t},\n\tdraw: () => {\n\t\tcls();\n\t\ttxt(x, y, 'hello world')\n\t}\n}"
+	},
+	{
+		"sheet_type": "code",
+		"value": "sprsht(15);\nspeed = 2;\nreturn 8;"
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "none",
+		"value": null
+	},
+	{
+		"sheet_type": "spritesheet",
+		"value": [
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+				1, 3, 3, 1, 1, 3, 3, 1,
+				1, 1, 1, 1, 1, 1, 1, 1
+			],
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+			],
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carts/tmp/circ.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"// Sample\n\nlet r = 0;\nlet d = 1;\nreturn {\n\tinit() {},\n\tupdate() {\n\t\tif (r >= 20) {\n\t\t\td = -1;\n\t\t} else if (r < 0) {\n\t\t\td = 1;\n\t\t}\n\t\tr += d*0.1;\t\n\t},\n\tdraw() {\n\t\tcls();\n\t\tcirc(50, 50, 6, 17);\n\t\ttxt(10,10,\"Hello, World!\");\n\t}\n}"},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null}]

carts/tmp/cyandino.fx

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+[{"sheet_type":"code","value":"// Sample\n\nreturn {\n\tinit() {},\n\tupdate() {},\n\tdraw() {\n\t\tcls();\n\t\ttxt(10,10,\"Hello, 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carts/tmp/maptest.fx

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+[{"sheet_type":"code","value":"// Sample\n\nreturn {\n\tinit() {},\n\tupdate() {},\n\tdraw() {\n\t\tcls();\n\t\tmap(1, 0, 0, 0, 0, 8, 8);\n\t\ttxt(10,10,\"Hello, 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truncated

carts/tmp/oval.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"// Sample\n\nlet r = 0;\nlet d = 1;\nreturn {\n\tinit() {},\n\tupdate() {\n\t\tif (r >= 20) {\n\t\t\td = -1;\n\t\t} else if (r < 0) {\n\t\t\td = 1;\n\t\t}\n\t\tr += d*0.1;\t\n\t},\n\tdraw() {\n\t\tcls();\n\t\trectfill(50,50,46,21,6);\n\t\toval(50, 50, 95, 70, 17);\n\t\ttxt(10,10,\"Hello, World!\");\n\t}\n}"},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null}]

carts/tmp/pa6.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"\nx = 0;\ny = 0;\nbool = true;\nstring = \"hi\";\ntext = code(1);\n\nreturn {\n\tinit() {\n\t\t// init\n\t},\n\tupdate() {\n\t\t// update\n\t\tif (btn(262)) {\n\t\t\tx += 1;\n\t\t}\n\t\tif (btn(263)) {\n\t\t\tx -= 1;\n\t\t}\n\t},\n\tdraw() {\n\t\t// draw\n\t\tcls();\n\t\ttxt(20, 20, text);\n\t\tsprsht(2);\n\t\tspr(x, y, 1);\n\t\trect(40, 40, 40, 40, 11);\n\t}\n}"},{"sheet_type":"code","value":"return \"hi from sheet 01.\";"},{"sheet_type":"spritesheet","value":[[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,5,0,5,0,0,0,0,5,0,0,5,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,5,5,0,5,5,5,5,5,5,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,3,3,0,0,3,3,0,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,3,3,3,3,3,0,0,0,3,3,3,3,0,0,0,0,0,3,3,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0Line truncated

carts/tmp/pa7.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"\nx = 0;\ny = 0;\nbool = true;\nstring = \"hi\";\ntext = code(1);\n\nstate = code(4);\n\nreturn {\n\tinit() {\n\t\t// init\n\t},\n\tupdate() {\n\t\t// update\n\t\tif (btn(262)) {\n\t\t\tx += 1;\n\t\t}\n\t\tif (btn(263)) {\n\t\t\tx -= 1;\n\t\t}\n\t},\n\tdraw() {\n\t\t// draw\n\t\tcls();\n\t\ttxt(20, 20, text);\n\t\tsprsht(2);\n\t\tspr(x, y, 1);\n\t\trect(40, 40, 40, 40, 11);\n\t}\n}"},{"sheet_type":"code","value":"return \"hi from sheet 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truncated

carts/tmp/playingaround.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"\nx = 0;\nbool = true;\nstring = \"hi\";\n\nreturn {\n\tinit() {\n\t\t// init\n\t},\n\tupdate() {\n\t\t// update\n\t},\n\tdraw() {\n\t\t// draw\n\t\tcls();\n\t\ttxt(20, 20, \"hello, world\");\n\t}\n}"},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null}]

carts/tmp/playingaround2.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"\nx = 0;\nbool = true;\nstring = \"hi\";\ntext = code(1);\n\nreturn {\n\tinit() {\n\t\t// init\n\t},\n\tupdate() {\n\t\t// update\n\t},\n\tdraw() {\n\t\t// draw\n\t\tcls();\n\t\ttxt(20, 20, text);\n\t}\n}"},{"sheet_type":"code","value":"return \"hi from sheet 01.\";"},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null}]

carts/tmp/playingaround3.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"\nx = 0;\nbool = true;\nstring = \"hi\";\ntext = code(1);\n\nreturn {\n\tinit() {\n\t\t// init\n\t},\n\tupdate() {\n\t\t// update\n\t},\n\tdraw() {\n\t\t// draw\n\t\tcls();\n\t\ttxt(20, 20, text);\n\t\tsprsht(2);\n\t\tspr(0, 0, 1);\n\t}\n}"},{"sheet_type":"code","value":"return \"hi from sheet 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truncated

carts/tmp/playingaround4.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"\nx = 0;\nbool = true;\nstring = \"hi\";\ntext = code(1);\n\nreturn {\n\tinit() {\n\t\t// init\n\t},\n\tupdate() {\n\t\t// update\n\t},\n\tdraw() {\n\t\t// draw\n\t\tcls();\n\t\ttxt(20, 20, text);\n\t\tsprsht(2);\n\t\tspr(0, 0, 1);\n\t\trect(40, 40, 40, 40, 11);\n\t}\n}"},{"sheet_type":"code","value":"return \"hi from sheet 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truncated

carts/tmp/playingaround5.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"\nx = 0;\nbool = true;\nstring = \"hi\";\ntext = code(1);\n\nreturn {\n\tinit() {\n\t\t// init\n\t},\n\tupdate() {\n\t\t// update\n\t},\n\tdraw() {\n\t\t// draw\n\t\tcls();\n\t\ttxt(20, 20, text);\n\t\tsprsht(2);\n\t\tspr(0, 0, 1);\n\t\trect(40, 40, 40, 40, 11);\n\t}\n}"},{"sheet_type":"code","value":"return \"hi from sheet 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carts/tmp/some_sprites.fx

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"// Sample\n\nreturn {\n\tinit() {},\n\tupdate() {},\n\tdraw() {\n\t\tcls();\n\t\ttxt(10,10,\"Hello, World!\");\n\t}\n}"},{"sheet_type":"spritesheet","value":[[20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23],[0,0,0,0,0,0,0,0,0,0,0,5,5,0,0,0,0,5,5,5,5,5,5,0,0,5,5,5,5,5,5,0,0,7,7,5,5,6,6,0,0,7,7,7,6,6,6,0,0,0,0,7,6,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,5,5,0,0,0,0,5,5,5,5,5,5,0,5,5,5,5,5,5,5,5,7,7,5,5,5,5,6,6,7,7,7,7,6,6,6,6,7,7,7,7,6,6,6,6,0,7,7,7,6,6,6,0,0,0,0,7,6,0,0,0],[0,0,0,13,13,0,0,0,0,13,13,13,13,13,13,0,13,13,13,13,13,13,13,13,15,15,13,13,13,13,14,14,15,15,15,15,14,14,14,14,15,15,15,15,14,14,14,14,0,15,15,15,14,14,14,0,0,0,0,15,14,0,0,0],[0,0,0,20,20,0,0,0,0,20,20,20,20,20,20,0,20,20,20,20,20,20,20,20,22,22,20,20,20,20,21,21,22,22,22,22,21,21,21,21,22,22,22,22,21,21,21,21,0,22,22,22,21,21,21,0,0,0,0,22,21,0,0,0],[0,0,0,21,21,0,0,0,0,21,21,21,21,21,21,0,21,21,21,21,21,21,21,21,23,23,21,21,21,21,22,22,23,23,23,23,22,22,22,22,23,23,23,23,22,22,22,22,0,23,23,23,22,22,22,0,0,0,0,23,22,0,0,0],[0,0,0,22,22,0,0,0,0,22,22,22,22,22,22,0,22,22,22,22,22,22,22,22,7,7,22,22,22,22,23,23,7,7,7,7,23,23,23,23,7,7,7,7,23,23,23,23,0,7,7,7,23,23,23,0,0,0,0,7,23,0,0,0],[0,0,0,9,9,0,0,0,0,9,9,9,9,9,9,0,9,9,9,9,9,9,9,9,11,11,9,9,9,9,10,10,11,11,11,11,10,10,10,10,11,11,11,11,10,10,10,10,0,11,11,11,10,10,10,0,0,0,0,11,10,0,0,0],[0,0,0,10,10,0,0,0,0,10,10,10,10,10,10,0,10,10,10,10,10,10,10,10,7,7,10,10,10,10,11,11,7,7,7,7,11,11,11,11,7,7,7,7,11,11,11,11,0,7,7,7,11,11,11,0,0,0,0,7,11,0,0,0],[0,0,0,17,17,0,0,0,0,17,17,17,17,17,17,0,17,17,17,17,17,17,17,17,19,19,17,17,17,17,18,18,19,19,19,19,18,18,18,18,19,19,19,19,18,18,18,18,0,19,19,19,18,18,18,0,0,0,0,19,18,0,0,0],[0,0,0,16,16,0,0,0,0,16,16,16,16,16,16,0,16,16,16,16,16,16,16,16,18,18,16,16,16,16,17,17,18,18,18,18,17,17,17,17,18,18,18,18,17,17,17,17,0,18,18,18,17,17,17,0,0,0,0,18,17,0,0,0],[0,0,0,18,18,0,0,0,0,18,18,18,18,18,18,0,18,18,18,18,18,18,18,18,7,7,18,18,18,18,19,19,7,7,7,7,19,19,19,19,7,7,7,7,19,19,19,19,0,7,7,7,19,19,19,0,0,0,0,7,19,0,0,0],[0,0,0,4,4,0,0,0,0,4,4,4,4,4,4,0,4,4,4,4,4,4,4,4,12,12,4,4,4,4,13,13,12,12,12,12,13,13,13,13,12,12,12,12,13,13,13,13,0,12,12,12,13,13,13,0,0,0,0,12,13,0,0,0],[0,0,0,4,4,0,0,0,0,4,4,4,4,4,4,0,4,4,4,4,4,4,4,4,14,14,4,4,4,4,13,13,14,14,14,14,13,13,13,13,14,14,14,14,13,13,13,13,0,14,14,14,13,13,13,0,0,0,0,14,13,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0Line truncated

codetab.ts

@@ -0,0 +1,694 @@
+import { clearScreen, fillRect } from "./window.ts";
+import { CHAR, font } from "./font.ts";
+import { drawText, measureText } from "./builtins.ts";
+import { COLOR } from "./colors.ts";
+import { getCodeSheet, setSheet } from "./sheet.ts";
+import { K, ctrlKeyDown, getKeyboardString, keyPressed, shiftKeyDown } from "./keyboard.ts";
+import { clipboard, tokenize } from "./deps.ts";
+import { getBuiltins } from "./runcode.ts";
+import { page } from "./viewsheets.ts";
+import { mouseDown, mouseHeld, mousePos } from "./mouse.ts";
+
+const historyDebounceFrames = 20;
+
+const fontHeight = font.height;
+
+const keywords = [
+    "break",
+    "case",
+    "catch",
+    "class",
+    "const",
+    "continue",
+    "debugger",
+    "default",
+    "delete",
+    "do",
+    "else",
+    "export",
+    "extends",
+    "finally",
+    "for",
+    "function",
+    "if",
+    "import",
+    "in",
+    "instanceof",
+    "new",
+    "return",
+    "super",
+    "switch",
+    "this",
+    "throw",
+    "try",
+    "typeof",
+    "var",
+    "void",
+    "while",
+    "with",
+	"let",
+	"static",
+	"yield",
+	"await",
+	"enum",
+    "implements",
+    "interface",
+    "package",
+    "private",
+    "protected",
+    "public",
+	"=>",
+];
+const values = [
+    "false",
+    "null",
+    "true",
+	"undefined",
+	"NaN",
+	"Infinity",
+	CHAR.PI,
+];
+const operator = [
+	"&&",
+	"||",
+	"??",
+	"--",
+	"++",
+	".",
+	"?.",
+	"<",
+	"<=",
+	">",
+	">=",
+	"!=",
+	"!==",
+	"==",
+	"===",
+	"+",
+	"-",
+	"%",
+	"&",
+	"|",
+	"^",
+	"/",
+	"*",
+	"**",
+	"<<",
+	">>",
+	">>>",
+	"=",
+	"+=",
+	"-=",
+	"%=",
+	"&=",
+	"|=",
+	"^=",
+	"/=",
+	"*=",
+	"**=",
+	"<<=",
+	">>=",
+	">>>=",
+	"!",
+	"?",
+	"~",
+	"...",
+];
+const punctuation = [
+	"(",
+	")",
+	"[",
+	"]",
+	"{",
+	"}",
+	".",
+	":",
+	";",
+	",",
+];
+
+const builtinColor = COLOR.BLUE;
+const keywordColor = COLOR.PURPLE;
+const operatorColor = COLOR.CYAN;
+const valueColor = COLOR.ORANGE;
+const stringColor = COLOR.GREEN;
+const regexColor = COLOR.PINK;
+const punctuationColor = COLOR.LIGHTGRAY;
+const commentColor = COLOR.DARKGREEN;
+const identifierColor = COLOR.YELLOW;
+const invalidColor = COLOR.RED;
+
+const caretColor = COLOR.WHITE;
+const selectionColor = COLOR.DARKBLUE;
+
+const backgroundColor = COLOR.DARKERBLUE;
+
+const tokenColors = {
+	"StringLiteral": stringColor,
+	"NoSubstitutionTemplate": stringColor,
+	"TemplateHead": stringColor,
+	"TemplateMiddle": stringColor,
+	"TemplateTail": stringColor,
+	"RegularExpressionLiteral": regexColor,
+	"MultiLineComment": commentColor,
+	"SingleLineComment": commentColor,
+	"IdentifierName": identifierColor,
+	"PrivateIdentifier": identifierColor,
+	"NumericLiteral": valueColor,
+	"Punctuator": punctuationColor,
+	"WhiteSpace": punctuationColor,
+	"LineTerminatorSequence": punctuationColor,
+	"Invalid": invalidColor,
+}
+
+const transformForCopy = (text: string) => {
+	text = text.replaceAll(CHAR.UP, "⬆️");
+	text = text.replaceAll(CHAR.LEFT, "⬅️");
+	text = text.replaceAll(CHAR.DOWN, "⬇️");
+	text = text.replaceAll(CHAR.RIGHT, "➡️");
+	return text;
+}
+
+const transformForPaste = (text: string) => {
+	let newstr = "";
+	text = text.replaceAll("⬆️", CHAR.UP);
+	text = text.replaceAll("⬅️", CHAR.LEFT);
+	text = text.replaceAll("⬇️", CHAR.DOWN);
+	text = text.replaceAll("➡️", CHAR.RIGHT);
+	for (const char of text) {
+		if (char in font.chars) {
+			newstr += char;
+		}
+	}
+	return newstr;
+}
+
+const state = {
+	doubleClickTimer: 0,
+	history: [] as Array<{code: string, anchor: number, focus: number}>,
+	historyDebounce: 0,
+	historyIndex: 0,
+	undo() {
+		console.log('undoing');
+		if (this.historyIndex === this.history.length && this.historyDebounce > 0) {
+			this.snapshot();
+		}
+		console.log('historyIndex', this.historyIndex);
+		if (this.historyIndex > 0) {
+			this.historyIndex -= 1;
+			const snap = this.history[this.historyIndex];
+			console.log('historyIndex', this.historyIndex);
+			this.code = snap.code;
+			this.setSelection(snap.anchor, snap.focus);
+		}
+	},
+	redo() {
+		console.log('redoing');
+		if (this.historyIndex < this.history.length-1) {
+			this.historyIndex += 1;
+			const snap = this.history[this.historyIndex];
+			this.code = snap.code;
+			this.setSelection(snap.anchor, snap.focus);
+		}
+	},
+	snapshot() {
+		const snap = {
+			code: this.code,
+			anchor: this.anchor,
+			focus: this.focus,
+		};
+		this.history.push(snap);
+		console.log('took snapshot', this.historyIndex, snap);
+	},
+	startSnapping() {
+		console.log('start snapping', this.historyIndex);
+		if (this.historyDebounce <= 0) {
+			this.historyIndex += 1;
+		}
+		if (this.history.length > this.historyIndex) {
+			this.history.length = this.historyIndex;
+		}
+		this.historyDebounce = historyDebounceFrames;
+	},
+	wordMode: false,
+	scrollX: 0,
+	scrollY: 0,
+	anchor: 0,
+	focus: 0,
+	get focusX() {return indexToGrid(this.code, this.focus).x;},
+	get focusY() {return indexToGrid(this.code, this.focus).y;},
+	get anchorX() {return indexToGrid(this.code, this.anchor).x;},
+	get anchorY() {return indexToGrid(this.code, this.anchor).y;},
+	get focusPixelX() {return indexToRect(this.code, this.focus).x;},
+	get focusPixelY() {return indexToRect(this.code, this.focus).y;},
+	get anchorPixelX() {return indexToRect(this.code, this.anchor).x;},
+	get anchorPixelY() {return indexToRect(this.code, this.anchor).y;},
+	isCollapsed() {
+		return this.anchor === this.focus;
+	},
+	clampInRange(n: number) {
+		return Math.max(0, Math.min(n, this.code.length))
+	},
+	findNearestWordBoundaryLeft(index: number) {
+		if (index === this.code.length-1) {
+			return index;
+		}
+		const words1 = this.code.slice(0, index+1).split(/\b/g);
+		if (words1[words1.length-1].length === 1) {
+			return index;
+		}
+		const words = this.code.slice(0, index).split(/\b/g);
+		if (!words.length) {
+			return 0;
+		}
+		return index-words[words.length-1].length;
+	},
+	findNearestWordBoundaryRight(index: number) {
+		if (index === 0) {
+			return index;
+		}
+		const words1 = this.code.slice(index-1).split(/\b/g);
+		if (words1[0].length === 1) {
+			return index;
+		}
+		const words = this.code.slice(index).split(/\b/g);
+		if (!words.length) {
+			return this.code.length;
+		}
+		return index+words[0].length;
+	},
+	setSelection(anchor: number | {x: number, y: number}, focus?: number | {x: number, y: number}) {
+		if (typeof anchor !== "number") {
+			anchor = gridToIndex(this.code, anchor.x, anchor.y);
+		}
+		focus = focus ?? anchor;
+		if (typeof focus !== "number") {
+			focus = gridToIndex(this.code, focus.x, focus.y);
+		}
+		this.anchor = this.clampInRange(anchor);
+		this.focus = this.clampInRange(focus);
+		if (this.wordMode) {
+			console.log('word mode', this.anchor, this.focus, this.findNearestWordBoundaryLeft(this.anchor), this.findNearestWordBoundaryRight(this.focus));
+			if (this.anchor <= this.focus) {
+				this.anchor = this.findNearestWordBoundaryLeft(this.anchor);
+				this.focus = this.findNearestWordBoundaryRight(this.focus);
+			} else {
+				this.anchor = this.findNearestWordBoundaryRight(this.anchor);
+				this.focus = this.findNearestWordBoundaryLeft(this.focus);
+			}
+		}
+		this.anchor = this.clampInRange(this.anchor);
+		this.focus = this.clampInRange(this.focus);
+	},
+	setFocus(focus: number | {x: number, y: number}) {
+		if (typeof focus !== "number") {
+			focus = gridToIndex(this.code, focus.x, focus.y);
+		}
+		this.focus = this.clampInRange(focus);
+		if (this.wordMode) {
+			if (this.anchor <= this.focus) {
+				this.anchor = this.findNearestWordBoundaryLeft(this.anchor);
+				this.focus = this.findNearestWordBoundaryRight(this.focus);
+			} else {
+				this.anchor = this.findNearestWordBoundaryRight(this.anchor);
+				this.focus = this.findNearestWordBoundaryLeft(this.focus);
+			}
+		}
+		this.focus = this.clampInRange(this.focus);
+	},
+	insertText(text: string) {
+		const {code, anchor, focus} = this;
+		this.code = code.slice(0, Math.min(anchor, focus)) + text + code.slice(Math.max(anchor, focus));
+		this.setSelection(Math.min(anchor, focus) + text.length);
+		this.startSnapping();
+	},
+	toggleComment() {
+		const lines = this.code.split("\n");
+		const {focusX, focusY, anchorX, anchorY} = this;
+		const lineInSelection = (i: number) => i >= Math.min(focusY, anchorY) && i <= Math.max(focusY, anchorY);
+		const allLinesAreCommented = lines.every((line, i) => {
+			if (lineInSelection(i) && !line.trim().startsWith("// ")) {
+				return false;
+			} else {
+				return true;
+			}
+		});
+		const newLines = lines.map((line, i) => {
+			if (lineInSelection(i)) {
+				if (allLinesAreCommented) {
+					return line.slice(3);
+				} else {
+					return "// "+line;
+				}
+			} else {
+				return line;
+			}
+		});
+		this.code = newLines.join("\n");
+		const shiftBy = allLinesAreCommented ? -3 : 3;
+		this.setSelection({x: anchorX+shiftBy, y: anchorY}, {x: focusX+shiftBy, y: focusY});
+		this.startSnapping();
+	},
+	indent(indentString: string) {
+		const lines = this.code.split("\n");
+		const {focusX, focusY, anchorX, anchorY} = this;
+		const newLines = lines.map((line, i) => {
+			if (i >= Math.min(focusY, anchorY) && i <= Math.max(focusY, anchorY)) {
+				return indentString+line;
+			} else {
+				return line;
+			}
+		});
+		this.code = newLines.join("\n");
+		this.setSelection({x: anchorX+1, y: anchorY}, {x: focusX+1, y: focusY});
+		this.startSnapping();
+	},
+	outdent(outdentRegex: RegExp) {
+		const lines = this.code.split("\n");
+		const {focusX, focusY, anchorX, anchorY} = this;
+		const newLines = lines.map((line, i) => {
+			const match = line.match(outdentRegex);
+			if (i >= Math.min(focusY, anchorY) && i <= Math.max(focusY, anchorY) && match) {
+				return line.slice(match[0].length);
+			} else {
+				return line;
+			}
+		});
+		this.code = newLines.join("\n");
+		this.setSelection({x: Math.max(0,anchorX-1), y: anchorY}, {x: Math.max(0,focusX-1), y: focusY});
+		this.startSnapping();
+	},
+	backspace() {
+		const {code, focus} = this;
+		if (this.isCollapsed()) {
+			if (focus > 0) {
+				this.code = code.slice(0, focus-1) + code.slice(focus);
+				this.setSelection(focus-1);
+				this.startSnapping();
+			}
+		} else {
+			this.insertText("");
+		}
+	},
+	delete() {
+		const {code, focus} = this;
+		if (this.isCollapsed()) {
+			if (focus < code.length) {
+				this.code = code.slice(0, focus) + code.slice(1+focus);
+				this.startSnapping();
+			}
+		} else {
+			this.insertText("");
+		}
+	},
+	async copy() {
+		const {code, anchor, focus} = this;
+		const selected = code.slice(Math.min(anchor,focus), Math.max(anchor,focus));
+		await clipboard.writeText(transformForCopy(selected));
+	},
+	async cut() {
+		await this.copy();
+		this.insertText("");
+	},
+	async paste() {
+		this.insertText(transformForPaste(await clipboard.readText()));
+	},
+	scrollToCursor() {
+		const {focusY, scrollY, scrollX, focus} = this;
+		const fh = fontHeight + 1;
+		const rect = indexToRect(this.code, focus);
+		if (focusY*fh < scrollY) {
+			this.scrollY = focusY*fh;
+		}
+		if (focusY*fh > scrollY+112-fh) {
+			this.scrollY = focusY*fh-112+fh;
+		}
+		if (rect.x < scrollX) {
+			this.scrollX = rect.x;
+		}
+		if (rect.x+rect.w > scrollX+128) {
+			this.scrollX = rect.x-128+rect.w+1;
+		}
+	},
+	currentIndentation() {
+		const lines = this.code.slice(0, this.focus).split("\n");
+		const line = lines[lines.length-1];
+		const match = line.match(/^\s*/);
+		if (!match) {
+			return "";
+		}
+		return match[0];
+	},
+	get code() {
+		return getCodeSheet(page.activeSheet);
+	},
+	set code(val) {
+		setSheet(page.activeSheet, "code", val);
+	}
+}
+
+const indexToGrid = (str: string, index: number) => {
+	const linesUpTo = str.slice(0,index).split("\n");
+	return {
+		x: linesUpTo[linesUpTo.length-1].length,
+		y: linesUpTo.length - 1,
+	}
+}
+
+const gridToIndex = (str: string, x: number, y: number) => {
+	const lines = str.split("\n");
+	if (y < 0) {
+		return 0;
+	}
+	if (y >= lines.length) {
+		return str.length;
+	}
+	return lines.slice(0, y).join("\n").length+Math.min(x, lines[y].length)+(y === 0 ? 0 : 1);
+}
+
+const indexToRect = (str: string, index: number) => {
+	const linesUpTo = str.slice(0,index).split("\n");
+	let extra = 0;
+	if (linesUpTo[linesUpTo.length-1].length > 0) {
+		extra = 1;
+	}
+	return {
+		x: measureText(linesUpTo[linesUpTo.length-1]) + extra,
+		y: (fontHeight + 1)*(linesUpTo.length - 1),
+		w: measureText(str[index] ?? "\n"),
+		h: fontHeight+1,
+	}
+}
+
+const pixelToIndex = (str: string, x: number, y: number) => {
+	const lines = str.split("\n");
+	if (y < 0) {
+		return 0;
+	}
+	if (y >= (fontHeight+1)*lines.length) {
+		return str.length;
+	}
+	const yy = Math.floor(y/(fontHeight+1));
+	const prefix = lines.slice(0, yy).join("\n").length+(yy === 0 ? 0 : 1);
+	const line = lines[yy];
+	let j = 0;
+	while (measureText(line.slice(0, j)) < x && j < line.length) {
+		j+=1;
+	}
+	if (measureText(line) < x) {
+		j+=1;
+	}
+	return prefix + Math.max(0, j-1);
+}
+
+const update = async () => {
+	const { focus } = state;
+	if (state.history.length === 0) {
+		state.snapshot();
+	}
+	if (state.historyDebounce > 0) {
+		state.historyDebounce -= 1;
+		if (state.historyDebounce <= 0) {
+			state.snapshot();
+		}
+	}
+	if (state.doubleClickTimer > 0) {
+		state.doubleClickTimer -= 1;
+	}
+
+	if (mouseDown() && !shiftKeyDown()) {
+		if (state.doubleClickTimer > 0) {
+			state.wordMode = true;
+		} else {
+			state.doubleClickTimer = 10;
+		}
+		const {x, y} = mousePos();
+		state.setSelection(pixelToIndex(state.code, x+state.scrollX, y+state.scrollY-8));
+		state.scrollToCursor();
+	} else if (mouseHeld()) {
+		const {x, y} = mousePos();
+		state.setFocus(pixelToIndex(state.code, x+state.scrollX, y+state.scrollY-8));
+		state.scrollToCursor();
+	} else {
+		state.wordMode = false;
+	}
+
+	const keyboardString = getKeyboardString();
+	if (keyboardString) {
+		state.insertText(keyboardString);
+		state.scrollToCursor();
+	}
+
+	if (keyPressed(K.ENTER)) {
+		state.insertText("\n"+state.currentIndentation());
+		state.scrollToCursor();
+	}
+	if (keyPressed(K.TAB)) {
+		if (!shiftKeyDown()) {
+			if (state.isCollapsed()) {
+				state.insertText("\t");
+			} else {
+				state.indent("\t");
+			}
+		} else {
+			state.outdent(/^(\t| )/);
+		}
+		state.scrollToCursor();
+	}
+	if (keyPressed(K.BACKSPACE)) {
+		state.backspace();
+		state.scrollToCursor();
+	}
+	if (keyPressed(K.DELETE)) {
+		state.delete();
+		state.scrollToCursor();
+	}
+	if (keyPressed(K.ARROW_RIGHT)) {
+		if (shiftKeyDown()) {
+			state.setFocus(focus+1);
+		} else {
+			state.setSelection(focus+1);
+		}
+		state.scrollToCursor();
+	}
+	if (keyPressed(K.ARROW_LEFT)) {
+		if (shiftKeyDown()) {
+			state.setFocus(focus-1);
+		} else {
+			state.setSelection(focus-1);
+		}
+		state.scrollToCursor();
+	}
+	if (keyPressed(K.ARROW_DOWN)) {
+		const rect = indexToRect(state.code, focus);
+		const newIndex = pixelToIndex(state.code, rect.x, rect.y+rect.h+1+1);
+		if (shiftKeyDown()) {
+			state.setFocus(newIndex);
+		} else {
+			state.setSelection(newIndex);
+		}
+		state.scrollToCursor();
+	}
+	if (keyPressed(K.ARROW_UP)) {
+		const rect = indexToRect(state.code, focus);
+		const newIndex = pixelToIndex(state.code, rect.x, rect.y-1-1);
+		if (shiftKeyDown()) {
+			state.setFocus(newIndex);
+		} else {
+			state.setSelection(newIndex);
+		}
+		state.scrollToCursor();
+	}
+	if (keyPressed("C") && ctrlKeyDown()) {
+		await state.copy();
+		state.scrollToCursor();
+	}
+	if (keyPressed("X") && ctrlKeyDown()) {
+		await state.cut();
+		state.scrollToCursor();
+	}
+	if (keyPressed("V") && ctrlKeyDown()) {
+		await state.paste();
+		state.scrollToCursor();
+	}
+	if (keyPressed("Z") && ctrlKeyDown()) {
+		if (shiftKeyDown()) {
+			state.redo();
+		} else {
+			state.undo();
+		}
+	}
+	if (keyPressed("Y") && ctrlKeyDown()) {
+		state.redo();
+	}
+	if (keyPressed("/") && ctrlKeyDown()) {
+		state.toggleComment();
+	}
+}
+
+const draw = () => {
+	clearScreen();
+	const {
+		scrollX,
+		scrollY,
+		anchor,
+		focus,
+		code,
+	} = state;
+	const x = 0;
+	const y = 8;
+	const w = 128;
+	const h = 112;
+	fillRect(x, y, w, h, backgroundColor);
+	if (anchor !== focus) {
+		for (let i = Math.min(anchor, focus); i < Math.max(anchor, focus); i++) {
+			const sel = indexToRect(code, i);
+			fillRect(x+sel.x-scrollX, y+sel.y-scrollY, sel.w+2, sel.h, selectionColor);
+		}
+	}
+	const rect = indexToRect(code, focus);
+	fillRect(x+rect.x-scrollX, y+rect.y-scrollY, 1, rect.h, caretColor);
+
+	const builtins = Object.keys(getBuiltins());
+	const tokens = [...tokenize(code)];
+	let cx = 0;
+	let cy = 0;
+	tokens.forEach((token) => {
+		if (token.type === "LineTerminatorSequence") {
+			cx=0;
+			cy+=fontHeight+1;
+			return;
+		}
+		const lines = token.value.split("\n");
+		lines.forEach((line, i) => {
+			let color = tokenColors[token.type];
+			if (builtins.includes(token.value)) {
+				color = builtinColor;
+			}
+			if (keywords.includes(token.value)) {
+				color = keywordColor;
+			}
+			if (values.includes(token.value)) {
+				color = valueColor;
+			}
+			if (operator.includes(token.value)) {
+				color = operatorColor;
+			}
+			if (punctuation.includes(token.value)) {
+				color = punctuationColor;
+			}
+			drawText(1+x+cx-scrollX, 1+y+cy-scrollY, line, color);
+			if (i === lines.length-1) {
+				cx += measureText(line)+1;
+			} else {
+				cx=0;
+				cy+=fontHeight+1;
+			}
+		});
+	})
+}
+
+export const codetab = {
+	update,
+	draw,
+}

colors.ts

@@ -0,0 +1,119 @@
+const hue_gray = 230;
+const hue_brown = 30;
+const hue_orange = 37;
+const hue_purple = 280;
+const hue_pink = 310;
+const hue_red = 340;
+const hue_red_shade = 335;
+const hue_yellow = 57;
+const hue_green = 130;
+const hue_green_shade = 145;
+const hue_sky = 203;
+const hue_blue = 224;
+const hue_blue_shade = 235;
+const hue_blue_shade_2 = 240;
+
+const saturation_max = 90;
+const saturation_normal = 60;
+const saturation_low = 40;
+const saturation_min = 13;
+
+const lightness_max = 95;
+const lightness_light = 67;
+const lightness_mediumlight = 62;
+const lightness_medium = 50;
+const lightness_mediumdark = 40;
+const lightness_dark = 30;
+const lightness_almostverydark = 25;
+const lightness_verydark = 20;
+const lightness_min = 5;
+
+/**
+ * Converts an HSL color value to RGB. Conversion formula
+ * adapted from http://en.wikipedia.org/wiki/HSL_color_space.
+ * Assumes h, s, and l are contained in the set [0, 1] and
+ * returns r, g, and b in the set [0, 255].
+ *
+ * @param   Number  h       The hue
+ * @param   Number  s       The saturation
+ * @param   Number  l       The lightness
+ * @return  Array           The RGB representation
+ */
+ function hsl(h: number, s: number, l: number): [number, number, number] {
+	h = h / 360;
+	s = s/100;
+	l = l/100;
+	let r, g, b;
+  
+	if (s == 0) {
+	  r = g = b = l; // achromatic
+	} else {
+	  const hue2rgb = (p: number, q: number, t: number) => {
+		if (t < 0) t += 1;
+		if (t > 1) t -= 1;
+		if (t < 1/6) return p + (q - p) * 6 * t;
+		if (t < 1/2) return q;
+		if (t < 2/3) return p + (q - p) * (2/3 - t) * 6;
+		return p;
+	  }
+  
+	  const q = l < 0.5 ? l * (1 + s) : l + s - l * s;
+	  const p = 2 * l - q;
+  
+	  r = hue2rgb(p, q, h + 1/3);
+	  g = hue2rgb(p, q, h);
+	  b = hue2rgb(p, q, h - 1/3);
+	}
+  
+	return [ r , g , b ];
+}
+
+const colors = {
+	TRANSPARENT: [0, 0, 0],
+	BLACK2: [0, 0, 0],
+	BLACK3: [0, 0, 0],
+	BLACK4: [0, 0, 0],
+	WHITE: hsl(hue_gray, saturation_min, lightness_max),
+	LIGHTGRAY: hsl(hue_gray, saturation_min, lightness_light),
+	DARKGRAY: hsl(hue_gray, saturation_min, lightness_dark),
+	BLACK: hsl(hue_gray, saturation_min, lightness_min),
+	ORANGE: hsl(hue_orange, saturation_normal, lightness_medium),
+	TAN: hsl(hue_brown, saturation_low, lightness_light),
+	BROWN: hsl(hue_brown, saturation_low, lightness_mediumdark),
+	DARKBROWN: hsl(hue_brown, saturation_low, lightness_almostverydark),
+	PURPLE: hsl(hue_purple, saturation_normal, lightness_medium),
+	PINK: hsl(hue_pink, saturation_normal, lightness_light),
+	RED: hsl(hue_red, saturation_normal, lightness_medium),
+	DARKRED: hsl(hue_red_shade, saturation_normal, lightness_dark),
+	YELLOW: hsl(hue_yellow, saturation_max, lightness_mediumlight),
+	GREEN: hsl(hue_green, saturation_normal, lightness_medium),
+	DARKGREEN: hsl(hue_green_shade, saturation_normal, lightness_dark),
+	DARKERGREEN: hsl(hue_green_shade, saturation_normal, lightness_verydark),
+	CYAN: hsl(hue_sky, saturation_max, lightness_light),
+	BLUE: hsl(hue_blue, saturation_normal, lightness_medium),
+	DARKBLUE: hsl(hue_blue_shade, saturation_normal, lightness_mediumdark),
+	DARKERBLUE: hsl(hue_blue_shade_2, saturation_normal, lightness_dark),
+} as const;
+
+// const colors = {
+// 	TRANSPARENT: [0, 0, 0],
+// 	BLACK: [0, 0, 0],
+// 	WHITE: [1, 1, 1],
+// 	RED: [1, 0, 0],
+// 	YELLOW: [1, 1, 0],
+// 	GREEN: [0, 1, 0],
+// 	BLUE: [0.1, 0.5, 1],
+// 	DARKBLUE: [0.05, 0.1, 0.3],
+// 	BROWN: [0.6, 0.5, 0.4],
+// 	GRAY: [0.5, 0.5, 0.5],
+// 	PURPLE: [0.7, 0.1, 0.85],
+// 	ORANGE: [0.95, 0.75, 0.25],
+// 	CYAN: [0, 0.9, 0.9],
+// 	LIGHTGRAY: [0.75, 0.75, 0.75],
+// 	REDDISH: [216/255, 59/255, 113/255],
+// 	DARKGREEN: [0, 0.6, 0.2],
+// } as const;
+
+export const palette: Array<[number, number, number, number]> = Object.values(colors).map(val => [...val, 1]);
+
+export const COLOR = Object.fromEntries(Object.keys(colors).map((name, i) => [name, Number(i)])) as {[key in keyof typeof colors]: number};

deno.json

@@ -0,0 +1,11 @@
+{
+	"fmt": {
+		"useTabs": true
+	},
+	"tasks": {
+		"run": "deno run -A --unstable index.ts",
+		"build": "deno compile --output build/faux -A --unstable index.ts",
+		"build_linux": "deno compile --output build/faux_linux --target x86_64-unknown-linux-gnu -A --unstable index.ts",
+		"build_windows": "deno compile --output build/faux_windows --target x86_64-pc-windows-msvc -A --unstable index.ts"
+	}
+}

deno.lock

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+    "https://deno.land/std@0.97.0/path/_interface.ts": "1fa73b02aaa24867e481a48492b44f2598cd9dfa513c7b34001437007d3642e4",
+    "https://deno.land/std@0.97.0/path/_util.ts": "2e06a3b9e79beaf62687196bd4b60a4c391d862cfa007a20fc3a39f778ba073b",
+    "https://deno.land/std@0.97.0/path/common.ts": "eaf03d08b569e8a87e674e4e265e099f237472b6fd135b3cbeae5827035ea14a",
+    "https://deno.land/std@0.97.0/path/glob.ts": "314ad9ff263b895795208cdd4d5e35a44618ca3c6dd155e226fb15d065008652",
+    "https://deno.land/std@0.97.0/path/mod.ts": "4465dc494f271b02569edbb4a18d727063b5dbd6ed84283ff906260970a15d12",
+    "https://deno.land/std@0.97.0/path/posix.ts": "f56c3c99feb47f30a40ce9d252ef6f00296fa7c0fcb6dd81211bdb3b8b99ca3b",
+    "https://deno.land/std@0.97.0/path/separator.ts": "8fdcf289b1b76fd726a508f57d3370ca029ae6976fcde5044007f062e643ff1c",
+    "https://deno.land/std@0.97.0/path/win32.ts": "77f7b3604e0de40f3a7c698e8a79e7f601dc187035a1c21cb1e596666ce112f8",
+    "https://deno.land/x/cache@0.2.13/deps.ts": "6f14e76a1a09f329e3f3830c6e72bd10b53a89a75769d5ea886e5d8603e503e6",
+    "https://deno.land/x/cache@0.2.13/directories.ts": "ef48531cab3f827252e248596d15cede0de179a2fb15392ae24cf8034519994f",
+    "https://deno.land/x/dwm@0.3.3/mod.ts": "8a8ca602442d250eaa7cef67c14245a41aa7dc8de2fa337008e433a2ed1fe2f1",
+    "https://deno.land/x/dwm@0.3.3/src/core/common.ts": "dd4cd26f45fca187c5a6192bfb7b3b4a01a23c66dddf64e19e013de7748f988d",
+    "https://deno.land/x/dwm@0.3.3/src/core/event.ts": "715cce309021e9dcd45b7e3f41bddea961d4b157dcf6f29a21e910825aae90a8",
+    "https://deno.land/x/dwm@0.3.3/src/core/mod.ts": "4c54848365ea17b67e65d4d58c7c94378c9bbc6ea2a59d7d11f1d701e6a5483a",
+    "https://deno.land/x/dwm@0.3.3/src/core/monitor.ts": "b291ebad386095285fb7c430990be0a9f1f5f81fbcb338058ce72a538a75d667",
+    "https://deno.land/x/dwm@0.3.3/src/core/platform.ts": "6cab5f575198848673204673fe82d242c9c87549c16cbed9a64c838eb99dd2d4",
+    "https://deno.land/x/dwm@0.3.3/src/core/window.ts": "1ccd738d6e4e28836327a76480c3c47855f617fa7ed7552a035f2d7bf0fd6c6d",
+    "https://deno.land/x/dwm@0.3.3/src/platform/glfw/constants.ts": "832295fa6a4bd66aea638bd09ad2cc48b3756daff814c7c0ae2a544f228be9e5",
+    "https://deno.land/x/dwm@0.3.3/src/platform/glfw/ffi.ts": "0c6a521a8374aa8c912417edfa5c263423286363f4a7c827d4d26ead8b954ee6",
+    "https://deno.land/x/dwm@0.3.3/src/platform/glfw/monitor.ts": "05506c5d21c527a6ea456d24e00f88a01a9292a68f45a845499137ecb6fb80c7",
+    "https://deno.land/x/dwm@0.3.3/src/platform/glfw/platform.ts": "cca2684151f34be392e74a9828f89f8c3ed46db25e59aec1f638b4ccf82535e9",
+    "https://deno.land/x/dwm@0.3.3/src/platform/glfw/scancode_win.json": "711ee525f88fe92129acd7d66fd6a5665b68ce6a60f590ae24de67e1ee916b8f",
+    "https://deno.land/x/dwm@0.3.3/src/platform/glfw/window.ts": "a6dd426a95cd93ba4905da151a0d06e9376becca273ee8bc8d1c9a7bd16e0d81",
+    "https://deno.land/x/dwm@0.3.3/src/platform/mod.ts": "20572d937c62ec543e0ca87cf8ed32cd15505d254f97a6fae98b936e480f2157",
+    "https://deno.land/x/gluten@0.1.6/api/gles23.2.ts": "99cad13b74938ff987a1a707f73d72a82ddf66935e45b59d1980928cd3af3495",
+    "https://esm.sh/js-tokens@8.0.1": "7b08a51f91034b720edcde4f0b4314abc39ee14da57861e3e676f1ed1f4fb4ab",
+    "https://esm.sh/v119/js-tokens@8.0.1/deno/js-tokens.mjs": "0fa55e76fa97785f8f938db8ea55e0db57825ea81cdcad20bd925f9902f678c1",
+    "https://esm.sh/v119/js-tokens@8.0.1/index.d.ts": "9b178631a934bd5e4832b478d4f74083d4dc357615a0d1a632357dfafe898cdb",
+    "https://glfw-binaries.deno.dev/3.4.0-patch2/glfw3_darwin.js": "48911f26fff723a9c5f2f38e39be42fc65ed8dea6f2ba1f1acb464d3f0aa435b",
+    "https://glfw-binaries.deno.dev/3.4.0-patch2/glfw3_darwin_aarch64.js": "ae4d795d93830b8a27714ab6c20b69b67f3d4ad3544c50e344558756cf2e92f3",
+    "https://glfw-binaries.deno.dev/3.4.0-patch2/glfw3_linux.js": "b064aedb175fee1a977937f07584238f313a1958f9869273e7e672c42f09932d",
+    "https://glfw-binaries.deno.dev/3.4.0-patch2/glfw3_windows.js": "6ac603e03520c8c333e1475cb00f982adb1f8a99de7f4bb0b8953da66f210159",
+    "https://raw.githubusercontent.com/Nisgrak/deno-clipboard/fix-deno-1.0.0/mod.ts": "85282325a499c75c6f9ed3603fc5f8baf4bf661a616add43b4e6f033def52680",
+    "https://unpkg.com/js-tokens@8.0.1/index.js": "322c95254ceef0ac195f4e71adac2a90adf379a2d67fbb948402295a780fdbc0"
+  },
+  "npm": {
+    "specifiers": {
+      "js-tokens": "js-tokens@8.0.1"
+    },
+    "packages": {
+      "js-tokens@8.0.1": {
+        "integrity": "sha512-3AGrZT6tuMm1ZWWn9mLXh7XMfi2YtiLNPALCVxBCiUVq0LD1OQMxV/AdS/s7rLJU5o9i/jBZw/N4vXXL5dm29A==",
+        "dependencies": {}
+      }
+    }
+  }
+}

deps.ts

@@ -0,0 +1,43 @@
+// dwm
+export {
+  createWindow,
+  getProcAddress,
+  mainloop,
+} from "https://deno.land/x/dwm@0.3.3/mod.ts";
+export * as gl from "https://deno.land/x/gluten@0.1.6/api/gles23.2.ts";
+
+// jsTokens
+import jsTokens from "https://esm.sh/js-tokens@8.0.1";
+export function tokenize(input: string): Iterable<Token> {
+  // deno-lint-ignore no-explicit-any
+  return (jsTokens as any)(input);
+}
+type Token =
+  | { type: "StringLiteral"; value: string; closed: boolean }
+  | { type: "NoSubstitutionTemplate"; value: string; closed: boolean }
+  | { type: "TemplateHead"; value: string }
+  | { type: "TemplateMiddle"; value: string }
+  | { type: "TemplateTail"; value: string; closed: boolean }
+  | { type: "RegularExpressionLiteral"; value: string; closed: boolean }
+  | { type: "MultiLineComment"; value: string; closed: boolean }
+  | { type: "SingleLineComment"; value: string }
+  | { type: "IdentifierName"; value: string }
+  | { type: "PrivateIdentifier"; value: string }
+  | { type: "NumericLiteral"; value: string }
+  | { type: "Punctuator"; value: string }
+  | { type: "WhiteSpace"; value: string }
+  | { type: "LineTerminatorSequence"; value: string }
+  | { type: "Invalid"; value: string };
+
+// clipboard
+import { clipboard } from "https://raw.githubusercontent.com/Nisgrak/deno-clipboard/fix-deno-1.0.0/mod.ts";
+export { clipboard } from "https://raw.githubusercontent.com/Nisgrak/deno-clipboard/fix-deno-1.0.0/mod.ts";
+try {
+  await clipboard.readText();
+} catch (err) {
+  console.log("If you are running this on linux, please make sure you have 'xsel' installed.");
+  throw err;
+}
+
+// path
+export * as path from "https://deno.land/std@0.186.0/path/mod.ts";

editmode.ts

@@ -0,0 +1,95 @@
+import { clearScreen, fillRect } from "./window.ts";
+import { codetab } from "./codetab.ts";
+import { spritetab } from "./spritetab.ts";
+import { viewsheets, page } from "./viewsheets.ts";
+import { COLOR } from "./colors.ts";
+import { mouseClick, mousePos } from "./mouse.ts";
+import { drawIcon } from "./builtins.ts";
+import { inRect } from "./util.ts";
+import { sheetsIcon, trashIcon } from "./icons.ts";
+import { SheetType, setSheet } from "./sheet.ts";
+import { nonetab } from "./nonetab.ts";
+import { maptab } from "./maptab.ts";
+
+type TabName = SheetType; // "code" | "sprite" | "map" | "sfx" | "music" | "sheet";
+
+const buttons: Array<{update: () => void, draw: () => void}> = [];
+const makeTabButton = (tabname: TabName | "sheet", x: number, y: number, icon: Array<number>) => {
+	buttons.push({
+		update() {
+			if (mouseClick()) {
+				const {x: mouseX, y: mouseY} = mousePos();
+				if (inRect(mouseX, mouseY, x, y, 8, 8)) {
+					page.tab = tabname;
+				}
+			}
+		},
+		draw() {
+			drawIcon(x, y, icon, page.tab === tabname ? COLOR.YELLOW : COLOR.WHITE);
+		}
+	})
+}
+
+const makeTrashButton = (x: number, y: number, icon: Array<number>) => {
+	buttons.push({
+		update() {
+			if (page.tab !== "sheet") {
+				return
+			}
+			if (mouseClick()) {
+				const {x: mouseX, y: mouseY} = mousePos();
+				if (inRect(mouseX, mouseY, x, y, 8, 8)) {
+					setSheet(page.activeSheet, "none", null);
+					page.tab = "sheet";
+				}
+			}
+		},
+		draw() {
+			if (page.tab !== "sheet") {
+				return
+			}
+			drawIcon(x, y, icon, COLOR.BLACK);
+		}
+	})
+}
+
+makeTabButton("sheet", 120, 0, sheetsIcon);
+makeTrashButton(0, 0, trashIcon);
+
+const update = () => {
+	buttons.forEach(button => button.update());
+	if (page.tab === "code") {
+		codetab.update();
+	} else if (page.tab === "spritesheet") {
+		spritetab.update();
+	} else if (page.tab === "map") {
+		maptab.update();
+	} else if (page.tab === "sheet") {
+		viewsheets.update();
+	} else if (page.tab === "none") {
+		nonetab.update();
+	}
+}
+
+const draw = () => {
+	clearScreen();
+	if (page.tab === "code") {
+		codetab.draw();
+	} else if (page.tab === "spritesheet") {
+		spritetab.draw();
+	} else if (page.tab === "map") {
+		maptab.draw();
+	} else if (page.tab === "sheet") {
+		viewsheets.draw();
+	} else if (page.tab === "none") {
+		nonetab.draw();
+	}
+	fillRect(0, 0, 128, 8, COLOR.RED);
+	fillRect(0, 120, 128, 8, COLOR.RED);
+	buttons.forEach(button => button.draw());
+}
+
+export const editmode = {
+	update,
+	draw,
+}

font.ts

@@ -0,0 +1,854 @@
+/**
+ * Perhaps fonts can be their own type of sheet. By the calculation below, we can fit ~4 fonts per fontsheet
+ * 
+ * 3 bits for height
+ * 5 more metadata bits
+ * = 1 byte
+ * 
+ * Per character:
+ * - 3 bits for width
+ * - 5 bits for metadata
+ * - 64 bits for pixels
+ * = 9 bytes per character
+ * 
+ * 96 chars * 9 bytes = 
+ */
+
+// export const fontWidth = 4;
+// export const fontHeight = 6;
+
+export const CHAR = {
+	UP: "À",
+	LEFT: "Á",
+	DOWN: "Â",
+	RIGHT: "Ã",
+	PI: "π"
+}
+
+export type Font = {
+	height: 6,
+	chars: {[key: string]: Array<number>},
+};
+
+// deno-fmt-ignore
+export const font: Font = {
+	height: 6,
+	chars: {
+		"A": [
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"B": [
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 0,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"C": [
+			0, 1, 1,
+			1, 0, 0,
+			1, 0, 0,
+			1, 0, 0,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"D": [
+			1, 1, 0,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"E": [
+			1, 1, 1,
+			1, 0, 0,
+			1, 1, 0,
+			1, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"F": [
+			1, 1, 1,
+			1, 0, 0,
+			1, 1, 0,
+			1, 0, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"G": [
+			0, 1, 1,
+			1, 0, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"H": [
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 1,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"I": [
+			1, 1, 1,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"J": [
+			1, 1, 1,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"K": [
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"L": [
+			1, 0, 0,
+			1, 0, 0,
+			1, 0, 0,
+			1, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"M": [
+			1, 1, 1,
+			1, 1, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"N": [
+			1, 1, 0,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"O": [
+			0, 1, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"P": [
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			1, 0, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"Q": [
+			0, 1, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 0,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"R": [
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"S": [
+			0, 1, 1,
+			1, 0, 0,
+			1, 1, 1,
+			0, 0, 1,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"T": [
+			1, 1, 1,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"U": [
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"V": [
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"W": [
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"X": [
+			1, 0, 1,
+			1, 0, 1,
+			0, 1, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"Y": [
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 1, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"Z": [
+			1, 1, 1,
+			0, 0, 1,
+			0, 1, 0,
+			1, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"a": [
+			0, 0, 0,
+			1, 1, 1,
+			0, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"b": [
+			1, 0, 0,
+			1, 0, 0,
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"c": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			1, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"d": [
+			0, 0, 1,
+			0, 0, 1,
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"e": [
+			0, 0, 0,
+			0, 1, 1,
+			1, 0, 1,
+			1, 1, 0,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"f": [
+			0, 1, 1,
+			1, 0, 0,
+			1, 1, 0,
+			1, 0, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"g": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			1, 0, 1,
+			0, 1, 1,
+			1, 1, 0,
+		],
+		"h": [
+			1, 0, 0,
+			1, 0, 0,
+			1, 1, 1,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"i": [
+			0, 1, 0,
+			0, 0, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"j": [
+			0, 1, 0,
+			0, 0, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			1, 0, 0,
+		],
+		"k": [
+			1, 0, 0,
+			1, 0, 0,
+			1, 0, 1,
+			1, 1, 0,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"l": [
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 1,
+			0, 0, 0,
+		],
+		"m": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			1, 1, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"n": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"o": [
+			0, 0, 0,
+			0, 0, 0,
+			0, 1, 1,
+			1, 0, 1,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"p": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			1, 0, 0,
+		],
+		"q": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 1,
+		],
+		"r": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			1, 0, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"s": [
+			0, 0, 0,
+			0, 0, 0,
+			0, 1, 1,
+			0, 1, 0,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"t": [
+			0, 1, 0,
+			0, 1, 0,
+			1, 1, 1,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"u": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"v": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"w": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 0, 1,
+			1, 1, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"x": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 0, 1,
+			0, 1, 0,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"y": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 0, 1,
+			1, 0, 1,
+			0, 1, 0,
+			1, 0, 0,
+		],
+		"z": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 0,
+			0, 1, 0,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		",": [
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 1, 0,
+			1, 0, 0,
+		],
+		".": [
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		" ": [
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"\t": [
+			0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0,
+		],
+		"\n": [
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"<": [
+			0, 0, 1,
+			0, 1, 0,
+			1, 0, 0,
+			0, 1, 0,
+			0, 0, 1,
+			0, 0, 0,
+		],
+		">": [
+			1, 0, 0,
+			0, 1, 0,
+			0, 0, 1,
+			0, 1, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"=": [
+			0, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"(": [
+			0, 0, 1,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 1,
+			0, 0, 0,
+		],
+		")": [
+			1, 0, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"[": [
+			0, 1, 1,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"]": [
+			1, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"{": [
+			0, 1, 1,
+			0, 1, 0,
+			1, 1, 0,
+			0, 1, 0,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"}": [
+			1, 1, 0,
+			0, 1, 0,
+			0, 1, 1,
+			0, 1, 0,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		":": [
+			0, 0, 0,
+			0, 1, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		";": [
+			0, 0, 0,
+			0, 1, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 1, 0,
+			1, 0, 0,
+		],
+		"'": [
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		'"': [
+			1, 0, 1,
+			1, 0, 1,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"1": [
+			0, 1, 0,
+			1, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"2": [
+			0, 1, 0,
+			1, 0, 1,
+			0, 0, 1,
+			0, 1, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"3": [
+			1, 1, 1,
+			0, 0, 1,
+			0, 1, 0,
+			0, 0, 1,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"4": [
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 1,
+			0, 0, 1,
+			0, 0, 0,
+		],
+		"5": [
+			1, 1, 1,
+			1, 0, 0,
+			1, 1, 0,
+			0, 0, 1,
+			1, 1, 0,
+			0, 0, 0,
+		],
+		"6": [
+			0, 0, 1,
+			0, 1, 0,
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"7": [
+			1, 1, 1,
+			0, 0, 1,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"8": [
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"9": [
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 1, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"0": [
+			1, 1, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"+": [
+			0, 0, 0,
+			0, 1, 0,
+			1, 1, 1,
+			0, 1, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"-": [
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"_": [
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"`": [
+			1, 0, 0,
+			0, 1, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"~": [
+			0, 0, 0,
+			0, 0, 1,
+			1, 1, 1,
+			1, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"/": [
+			0, 0, 1,
+			0, 0, 1,
+			0, 1, 0,
+			1, 0, 0,
+			1, 0, 0,
+			0, 0, 0,
+		],
+		"?": [
+			1, 1, 1,
+			0, 0, 1,
+			0, 1, 1,
+			0, 0, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"\\": [
+			1, 0, 0,
+			1, 0, 0,
+			0, 1, 0,
+			0, 0, 1,
+			0, 0, 1,
+			0, 0, 0,
+		],
+		"|": [
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"!": [
+			0, 1, 0,
+			0, 1, 0,
+			0, 1, 0,
+			0, 0, 0,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"@": [
+			0, 1, 0,
+			1, 0, 1,
+			1, 0, 1,
+			1, 0, 0,
+			0, 1, 1,
+			0, 0, 0,
+		],
+		"#": [
+			1, 0, 1,
+			1, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"$": [
+			1, 1, 1,
+			1, 1, 0,
+			0, 1, 1,
+			1, 1, 1,
+			0, 1, 0,
+			0, 0, 0,
+		],
+		"%": [
+			1, 0, 1,
+			0, 0, 1,
+			0, 1, 0,
+			1, 0, 0,
+			1, 0, 1,
+			0, 0, 0,
+		],
+		"^": [
+			0, 1, 0,
+			1, 0, 1,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		"&": [
+			1, 1, 0,
+			1, 1, 0,
+			0, 1, 1,
+			1, 0, 1,
+			1, 1, 1,
+			0, 0, 0,
+		],
+		"*": [
+			0, 1, 0,
+			1, 1, 1,
+			0, 1, 0,
+			1, 0, 1,
+			0, 0, 0,
+			0, 0, 0,
+		],
+		[CHAR.UP]: [
+			0, 1, 1, 1, 1, 1, 0,
+			1, 1, 1, 0, 1, 1, 1,
+			1, 1, 0, 0, 0, 1, 1,
+			1, 1, 0, 0, 0, 1, 1,
+			0, 1, 1, 1, 1, 1, 0,
+			0, 0, 0, 0, 0, 0, 0,
+		],
+		[CHAR.LEFT]: [
+			0, 1, 1, 1, 1, 1, 0,
+			1, 1, 1, 0, 0, 1, 1,
+			1, 1, 0, 0, 0, 1, 1,
+			1, 1, 1, 0, 0, 1, 1,
+			0, 1, 1, 1, 1, 1, 0,
+			0, 0, 0, 0, 0, 0, 0,
+		],
+		[CHAR.DOWN]: [
+			0, 1, 1, 1, 1, 1, 0,
+			1, 1, 0, 0, 0, 1, 1,
+			1, 1, 0, 0, 0, 1, 1,
+			1, 1, 1, 0, 1, 1, 1,
+			0, 1, 1, 1, 1, 1, 0,
+			0, 0, 0, 0, 0, 0, 0,
+		],
+		[CHAR.RIGHT]: [
+			0, 1, 1, 1, 1, 1, 0,
+			1, 1, 0, 0, 1, 1, 1,
+			1, 1, 0, 0, 0, 1, 1,
+			1, 1, 0, 0, 1, 1, 1,
+			0, 1, 1, 1, 1, 1, 0,
+			0, 0, 0, 0, 0, 0, 0,
+		],
+		[CHAR.PI]: [
+			0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0,
+			1, 1, 1, 1, 1,
+			0, 1, 0, 1, 0,
+			0, 1, 0, 1, 0,
+			0, 0, 0, 0, 0,
+		],
+	}
+};

icons.ts

@@ -0,0 +1,54 @@
+export const codeIcon = [
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 1, 0, 0, 1, 0, 0,
+	0, 1, 1, 0, 0, 1, 1, 0,
+	0, 1, 0, 0, 0, 0, 1, 0,
+	0, 1, 0, 0, 0, 0, 1, 0,
+	0, 1, 1, 0, 0, 1, 1, 0,
+	0, 0, 1, 0, 0, 1, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+];
+
+export const spriteIcon = [
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 1, 1, 1, 1, 0, 0,
+	0, 1, 1, 0, 1, 1, 1, 0,
+	0, 1, 1, 1, 1, 0, 0, 0,
+	0, 1, 1, 1, 0, 0, 0, 0,
+	0, 1, 1, 1, 1, 1, 1, 0,
+	0, 0, 1, 1, 1, 1, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+];
+
+export const mapIcon = [
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 1, 1, 1, 1, 1, 1, 0,
+	0, 1, 0, 1, 0, 0, 1, 0,
+	0, 1, 0, 1, 1, 1, 1, 0,
+	0, 1, 1, 1, 0, 0, 1, 0,
+	0, 1, 0, 1, 0, 0, 1, 0,
+	0, 1, 1, 1, 1, 1, 1, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+];
+
+export const sheetsIcon = [
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 1, 1, 0, 0, 1, 1, 0,
+	0, 1, 1, 0, 0, 1, 1, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 1, 1, 0, 0, 1, 1, 0,
+	0, 1, 1, 0, 0, 1, 1, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+];
+
+export const trashIcon = [
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 1, 1, 0, 0, 0,
+	0, 1, 1, 1, 1, 1, 1, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 1, 1, 1, 1, 0, 0,
+	0, 0, 1, 1, 1, 1, 0, 0,
+	0, 0, 1, 1, 1, 1, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0,
+];

index.ts

@@ -0,0 +1,64 @@
+import {
+	mainloop,
+	frame,
+	clearScreen,
+} from "./window.ts";
+import { runCode } from "./runcode.ts";
+import { getCodeSheet } from "./sheet.ts";
+import { refreshKeyboard, keyPressed, K } from "./keyboard.ts";
+import { repl, resetRepl } from "./repl.ts";
+import { addToContext } from "./runcode.ts";
+import { editmode } from "./editmode.ts";
+import { refreshMouse } from "./mouse.ts";
+import { camera } from "./builtins.ts";
+
+// deno-lint-ignore no-explicit-any
+let game: any = null;
+
+let mode: "play" | "edit" | "repl" = "repl";
+
+addToContext("play", () => {
+	mode = "play";
+	game = runCode(getCodeSheet(0));
+	game.init();
+});
+
+clearScreen();
+  
+await mainloop(async (_t) => {
+	// TODO: use t
+	if (keyPressed(K.ESCAPE)) {
+		const modeTo = ({
+			play: "repl",
+			edit: "repl",
+			repl: "edit",
+		} as const)[mode];
+		if (mode === "play") {
+			resetRepl();
+		}
+		if (mode === "edit") {
+			clearScreen();
+		}
+		mode = modeTo;
+	} else {
+		if (mode === "play") {
+			if (game) {
+				game.update();
+				game.draw();
+			}
+			frame();
+		} else if (mode === "repl") {
+			repl.update();
+			camera(0, 0);
+			repl.draw();
+			frame();
+		} else if (mode === "edit") {
+			await editmode.update();
+			camera(0, 0);
+			editmode.draw();
+			frame();
+		}
+	}
+	refreshKeyboard();
+	refreshMouse();
+}, false);

initialCart.json

@@ -0,0 +1 @@
+[{"sheet_type":"code","value":"// Sample\n\nreturn {\n\tinit() {},\n\tupdate() {},\n\tdraw() {\n\t\tcls();\n\t\ttxt(10,10,\"Hello, World!\");\n\t}\n}"},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null},{"sheet_type":"none","value":null}]

keyboard.ts

@@ -0,0 +1,174 @@
+import { font, CHAR } from "./font.ts";
+
+const keyboard = new Map<number, {first: boolean, repeat: boolean, held: boolean}>();
+
+export const K = {
+	ESCAPE: 256,
+	ENTER: 257,
+	TAB: 258,
+	BACKSPACE: 259,
+	INSERT: 260,
+	DELETE: 261,
+	ARROW_RIGHT: 262,
+	ARROW_LEFT: 263,
+	ARROW_DOWN: 264,
+	ARROW_UP: 265,
+	PAGE_UP: 266,
+	PAGE_DOWN: 267,
+	HOME: 268,
+	END: 269,
+	CAPS_LOCK: 280,
+	F1: 290,
+	F2: 291,
+	F3: 292,
+	F4: 293,
+	F5: 294,
+	F6: 295,
+	F7: 296,
+	F8: 297,
+	F9: 298,
+	F10: 299,
+	F11: 300,
+	F12: 301,
+	SHIFT_LEFT: 340,
+	CTRL_LEFT: 341,
+	ALT_LEFT: 342,
+	SHIFT_RIGHT: 344,
+	CTRL_RIGHT: 345,
+	ALT_RIGHT: 346,
+}
+
+export const shiftMap = {
+	"1": "!",
+	"2": "@",
+	"3": "#",
+	"4": "$",
+	"5": "%",
+	"6": "^",
+	"7": "&",
+	"8": "*",
+	"9": "(",
+	"0": ")",
+	"`": "~",
+	"-": "_",
+	"=": "+",
+	"[": "{",
+	"]": "}",
+	"\\": "|",
+	";": ":",
+	"'": '"',
+	",": "<",
+	".": ">",
+	"/": "?",
+}
+
+export const altMap = {
+	"w": CHAR.UP,
+	"a": CHAR.LEFT,
+	"s": CHAR.DOWN,
+	"d": CHAR.RIGHT,
+	"p": CHAR.PI,
+}
+
+addEventListener("keydown", (evt) => {
+	// console.log("keydown", evt.key, evt.key.charCodeAt(0));
+	const key = evt.key.charCodeAt(0);
+	const isRepeat = keyboard.has(key) && keyboard.get(key)?.held!;
+	keyboard.set(key, {
+		first: !isRepeat,
+		repeat: isRepeat,
+		held: true,
+	});
+});
+
+addEventListener("keyup", (evt) => {
+	// console.log("keyup", evt.key, evt.key.charCodeAt(0));
+	const key = evt.key.charCodeAt(0);
+	keyboard.set(key, {
+		first: false,
+		repeat: false,
+		held: false,
+	});
+});
+
+export const refreshKeyboard = () => {
+	keyboard.forEach(({held}, key) => {
+		if (!held) {
+			keyboard.delete(key);
+		} else {
+			keyboard.set(key, {
+				first: false,
+				repeat: false,
+				held: true,
+			});
+		}
+	})
+}
+
+export const keyPressed = (key: string | number) => {
+	if (typeof key === "string") {
+		key = key.toUpperCase().charCodeAt(0);
+	}
+	return keyboard.has(key) && (keyboard.get(key)?.first! || keyboard.get(key)?.repeat!);
+}
+
+export const keyDown = (key: string | number) => {
+	if (typeof key === "string") {
+		key = key.toUpperCase().charCodeAt(0);
+	}
+	return keyboard.has(key) && keyboard.get(key)?.held!;
+}
+
+export const shiftKeyDown = () => {
+	return keyDown(K.SHIFT_LEFT) || keyDown(K.SHIFT_RIGHT);
+}
+
+export const ctrlKeyDown = () => {
+	return keyDown(K.CTRL_LEFT) || keyDown(K.CTRL_RIGHT);
+}
+
+export const altKeyDown = () => {
+	return keyDown(K.ALT_LEFT) || keyDown(K.ALT_RIGHT);
+}
+
+export const keyReleased = (key: string | number) => {
+	if (typeof key === "string") {
+		key = key.toUpperCase().charCodeAt(0);
+	}
+	return keyboard.has(key) && !keyboard.get(key)?.held!;
+}
+
+export const getKeysPressed = () => {
+	const result = [...keyboard.entries()].filter(([_key, value]) => {
+		return value.first || value.repeat;
+	}).map(([key]) => key);
+	return result;
+}
+
+export const getKeyboardString = () => {
+	let str = "";
+	if (ctrlKeyDown()) {
+		return str;
+	}
+	for (const key of getKeysPressed()) {
+		let char = String.fromCharCode(key).toLowerCase();
+		if (shiftKeyDown()) {
+			if (char in shiftMap) {
+				char = shiftMap[char as keyof typeof shiftMap];
+			} else {
+				char = char.toUpperCase();
+			}
+		}
+		if (altKeyDown()) {
+			if (char in altMap) {
+				char = altMap[char as keyof typeof altMap];
+			} else {
+				char = char.toUpperCase();
+			}
+		}
+		if (char in font.chars) {
+			str += char;
+		}
+	}
+	return str;
+}

maptab.ts

@@ -0,0 +1,215 @@
+import { clearScreen, fillRect } from "./window.ts";
+import { drawSprite, drawText } from "./builtins.ts";
+import { COLOR } from "./colors.ts";
+import { getMapSheet, getSheet, setSheet } from "./sheet.ts";
+import { M, mouseClick, mouseDown, mouseHeld, mousePos } from "./mouse.ts";
+import { drawTransparentRect, drawVoidRect, inRect, reGrid } from "./util.ts";
+import { page } from "./viewsheets.ts";
+import { useSpritesheet } from "./builtins.ts";
+import { keyPressed } from "./keyboard.ts";
+import { K } from "./keyboard.ts";
+
+const state = {
+	selectedSpriteSheet: 0,
+	selectedSprite: 0,
+	viewX: 0,
+	viewY: 0,
+	dragging: false,
+	dragFromViewX: 0,
+	dragFromViewY: 0,
+	dragFromX: 0,
+	dragFromY: 0,
+	get spriteSheetPage() {
+		return Math.floor(this.selectedSprite/64);
+	},
+	set spriteSheetPage(val) {
+		this.selectedSprite = 64*val+this.spriteWithinPage;
+	},
+	get spriteWithinPage() {
+		return this.selectedSprite%64;
+	},
+	set spriteWithinPage(val) {
+		this.selectedSprite = 64*this.spriteSheetPage+val;
+	},
+	get map() {
+		return getMapSheet(page.activeSheet);
+	},
+	set map(val) {
+		setSheet(page.activeSheet, "map", val);
+	},
+	setInPatch(i: number, sprsheet: number, sprite: number) {
+		const cellVal = this.map.subgrid(this.viewX, this.viewY, patchW, patchH).values[i];
+		if (cellVal) {
+			cellVal[0] = sprsheet
+			cellVal[1] = sprite;
+		}
+	},
+	get patch() {
+		return this.map.subgrid(this.viewX, this.viewY, patchW, patchH);
+	}
+}
+
+const patchX = 0;
+const patchY = 8;
+const patchW = 16;
+const patchH = 9;
+
+const spriteW = 8;
+const spriteH = 8;
+
+const spriteSheetX = 0;
+const spriteSheetY = 88;
+const spriteSheetW = 16;
+const spriteSheetH = 4;
+
+const spriteSheetPickerX = 0;
+const spriteSheetPickerY = 81;
+const spriteSheetPickerW = 16;
+const spriteSheetPickerH = 1;
+const spriteSheetPickerTabW = 7;
+const spriteSheetPickerTabH = 7;
+
+const spriteSheetPageSwapX = 121;
+const spriteSheetPageSwapY = 81;
+const spriteSheetPageSwapW = 7;
+const spriteSheetPageSwapH = 7;
+
+const update = () => {
+	const {x: mouseX, y: mouseY} = mousePos();
+	const inPatch = inRect(mouseX, mouseY, patchX, patchY, patchW*spriteW, patchH*spriteH - 2);
+	const inSpriteSheetPicker = inRect(mouseX, mouseY, spriteSheetPickerX, spriteSheetPickerY, spriteSheetPickerW*spriteSheetPickerTabW, spriteSheetPickerH*spriteSheetPickerTabH);
+	const inSpriteSheet = inRect(mouseX, mouseY, spriteSheetX, spriteSheetY, spriteSheetW*spriteW, spriteSheetH*spriteH);
+	const inSpriteSheetPageSwap = inRect(mouseX, mouseY, spriteSheetPageSwapX, spriteSheetPageSwapY, spriteSheetPageSwapW, spriteSheetPageSwapH);
+	if (mouseHeld()) {
+		if (inPatch) {
+			const {x, y} = reGrid(mouseX, mouseY, patchX, patchY, spriteW, spriteH);
+			const cellNumber = patchW*y+x;
+			state.setInPatch(cellNumber, state.selectedSpriteSheet, state.selectedSprite);
+		}
+		if (inSpriteSheetPicker) {
+			const {x, y} = reGrid(mouseX, mouseY, spriteSheetPickerX, spriteSheetPickerY, spriteSheetPickerTabW, spriteSheetPickerTabH);
+			state.selectedSpriteSheet = spriteSheetPickerW*y+x;
+		}
+		if (inSpriteSheet) {
+			const {x, y} = reGrid(mouseX, mouseY, spriteSheetX, spriteSheetY, spriteW, spriteH);
+			state.spriteWithinPage = spriteSheetW*y+x;
+		}
+	} else if (mouseDown(M.MIDDLE)) {
+		if (inPatch) {
+			const {x, y} = reGrid(mouseX, mouseY, patchX, patchY, spriteW, spriteH);
+			state.dragging = true;
+			state.dragFromX = x;
+			state.dragFromY = y;
+			state.dragFromViewX = state.viewX;
+			state.dragFromViewY = state.viewY;
+		}
+	} else if (mouseHeld(M.MIDDLE)) {
+		if (state.dragging) {
+			const {x, y} = reGrid(mouseX, mouseY, patchX, patchY, spriteW, spriteH);
+			state.viewX = state.dragFromViewX - x + state.dragFromX;
+			state.viewY = state.dragFromViewY - y + state.dragFromY;
+		}
+	} else if (mouseClick(M.MIDDLE)) {
+		state.dragging = false;
+	} else if (mouseClick()) {
+		if (inSpriteSheetPageSwap) {
+			state.spriteSheetPage = (1+state.spriteSheetPage)%2;
+		}
+	}
+	if (keyPressed(K.ARROW_RIGHT)) {
+		state.viewX += 1;
+	}
+	if (keyPressed(K.ARROW_LEFT)) {
+		state.viewX -= 1;
+	}
+	if (keyPressed(K.ARROW_UP)) {
+		state.viewY -= 1;
+	}
+	if (keyPressed(K.ARROW_DOWN)) {
+		state.viewY += 1;
+	}
+}
+
+const outlineRect = (x: number, y: number, w: number, h: number, color: number) => {
+	fillRect(x, y, w, 1, color);
+	fillRect(x, y, 1, h, color);
+	fillRect(x+w-1, y, 1, h, color);
+	fillRect(x, y+h-1, w, 1, color);
+}
+
+const draw = () => {
+	const {
+		selectedSpriteSheet,
+		spriteWithinPage,
+		spriteSheetPage,
+	} = state;
+	clearScreen();
+	fillRect(0, 8, 128, 112, COLOR.DARKGRAY);
+
+	// Draw the current patch
+	drawVoidRect(patchX-1, patchY-1, (patchW*spriteW)+2, (patchH*spriteH)+2);
+	state.patch.values.forEach((val, i) => {
+		const spriteX = patchX+spriteW*(i%patchW);
+		const spriteY = patchY+spriteH*Math.floor(i/patchW);
+		if (!val) {
+			return;
+		}
+		const [sprsheet, sprite] = val;
+		drawTransparentRect(spriteX, spriteY, 8, 8);
+		if (getSheet(sprsheet).sheet_type === "spritesheet") {
+			useSpritesheet(sprsheet);
+			drawSprite(spriteX, spriteY, sprite);
+		}
+	});
+
+	// Draw the bar
+	fillRect(spriteSheetPickerX, spriteSheetPickerY-1, 128, 1, COLOR.BLACK);
+	fillRect(spriteSheetPickerX, spriteSheetPickerY, 128, 7, COLOR.DARKGRAY);
+
+	// Draw the spritesheet picker
+	fillRect(spriteSheetPickerX, spriteSheetPickerY, spriteSheetPickerTabW*spriteSheetPickerW, spriteSheetPickerTabW, COLOR.BLACK);
+	Array(spriteSheetPickerW*spriteSheetPickerH).fill(0).forEach((_, i) => {
+		const tabX = spriteSheetPickerX+spriteSheetPickerTabW*(i%spriteSheetPickerW);
+		const tabY = spriteSheetPickerY+spriteSheetPickerTabH*Math.floor(i/spriteSheetPickerW);
+		let color = COLOR.DARKGREEN;
+		if (getSheet(i).sheet_type !== "spritesheet") {
+			color = COLOR.BROWN;
+		}
+		if (i === page.activeSheet) {
+			color = COLOR.PURPLE;
+		}
+		if (i === selectedSpriteSheet) {
+			color = {
+				[COLOR.BROWN]: COLOR.TAN,
+				[COLOR.DARKGREEN]: COLOR.GREEN,
+				[COLOR.PURPLE]: COLOR.PINK,
+			}[color];
+		}
+		fillRect(tabX, tabY, spriteSheetPickerTabW, spriteSheetPickerTabH, color);
+		drawText(tabX+2, tabY+1, ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"][i]);
+	});
+
+	// Draw the spritesheet page swap button
+	fillRect(spriteSheetPageSwapX, spriteSheetPageSwapY, spriteSheetPageSwapW, spriteSheetPageSwapH, COLOR.BLUE);
+	drawText(spriteSheetPageSwapX+2, spriteSheetPageSwapY+1, state.spriteSheetPage.toString());
+	
+	// Draw the spritesheet
+	fillRect(spriteSheetX, spriteSheetY, (spriteSheetW*spriteW), (spriteSheetH*spriteH), COLOR.BLACK);
+	if (getSheet(selectedSpriteSheet).sheet_type === "spritesheet") {
+		useSpritesheet(selectedSpriteSheet);
+		Array(64).fill(0).forEach((_, i) => {
+			const sprI = i+64*spriteSheetPage;
+			const sprX = spriteSheetX+spriteW*(i%spriteSheetW);
+			const sprY = spriteSheetY+spriteH*Math.floor(i/spriteSheetW);
+			drawSprite(sprX, sprY, sprI);
+			if (i === spriteWithinPage) {
+				outlineRect(sprX, sprY, spriteW, spriteH, COLOR.WHITE);
+			}
+		});
+	}
+}
+
+export const maptab = {
+	update,
+	draw,
+}

mouse.ts

@@ -0,0 +1,96 @@
+import { WindowMouseEvent } from "https://deno.land/x/dwm@0.3.3/mod.ts";
+import { gameWindow } from "./window.ts";
+
+export const M = {
+	NONE: -1,
+	LEFT: 0,
+	RIGHT: 1,
+	MIDDLE: 2,
+}
+
+const mouseButtonsDown = {
+	[M.LEFT]: false,
+	[M.RIGHT]: false,
+	[M.MIDDLE]: false,
+};
+const mouseEvents: Array<{
+	type: "click" | "down" | "up" | "move" | "dblclick",
+	button: typeof M[keyof typeof M],
+	x: number,
+	y: number,
+	prevX?: number,
+	prevY?: number
+}> = [];
+
+let mouseX = 0;
+let mouseY = 0;
+
+const eventPixelCoords = (evt: WindowMouseEvent) => {
+	const {width, height} = gameWindow.size;
+	const pixX = Math.floor(128*evt.clientX/width);
+	const pixY = Math.floor(128*evt.clientY/height);
+	return {
+		x: pixX,
+		y: pixY,
+	}
+}
+
+addEventListener("dblclick", (evt) => {
+	mouseEvents.push({type: "dblclick", button: evt.button, ...eventPixelCoords(evt)});
+});
+
+addEventListener("click", (evt) => {
+	mouseEvents.push({type: "click", button: evt.button, ...eventPixelCoords(evt)});
+});
+
+addEventListener("mousedown", (evt) => {
+	mouseButtonsDown[evt.button] = true;
+	mouseEvents.push({type: "down", button: evt.button, ...eventPixelCoords(evt)});
+});
+
+addEventListener("mouseup", (evt) => {
+	mouseButtonsDown[evt.button] = false;
+	mouseEvents.push({type: "up", button: evt.button, ...eventPixelCoords(evt)});
+});
+
+addEventListener("mousemove", (evt) => {
+	const coords = eventPixelCoords(evt);
+	mouseEvents.push({type: "move", button: evt.button, ...eventPixelCoords(evt), prevX: mouseX, prevY: mouseY});
+	mouseX = coords.x;
+	mouseY = coords.y;
+});
+
+export const mousePos = () => {
+	return {
+		x: mouseX,
+		y: mouseY,
+	}
+}
+
+export const getMouseX = () => {
+	return mouseX;
+}
+
+export const getMouseY = () => {
+	return mouseY;
+}
+
+export const refreshMouse = () => {
+	mouseEvents.length = 0;
+}
+
+export const mouseDown = (button: number = M.LEFT) => {
+	return mouseEvents.some(ev => ev.button === button && ev.type === "down");
+}
+
+export const mouseClick = (button: number = M.LEFT) => {
+	return mouseEvents.some(ev => ev.button === button && ev.type === "click");
+}
+
+export const mouseDoubleClick = (button: number = M.LEFT) => {
+	return mouseEvents.some(ev => ev.button === button && ev.type === "dblclick");
+}
+
+export const mouseHeld = (button: number = M.LEFT) => {
+	return mouseButtonsDown[button];
+}

nonetab.ts

@@ -0,0 +1,63 @@
+import { clearScreen, fillRect } from "./window.ts";
+import { drawIcon, drawText } from "./builtins.ts";
+import { COLOR } from "./colors.ts";
+import { getSheet, setSheet } from "./sheet.ts";
+import { mouseClick, mousePos } from "./mouse.ts";
+import { reGridWithGap } from "./util.ts";
+import { page } from "./viewsheets.ts";
+import { useSpritesheet } from "./builtins.ts";
+import { codeIcon, mapIcon, spriteIcon } from "./icons.ts";
+
+const gridX = 8;
+const gridY = 40;
+const cellW = 8;
+const cellH = 8;
+const gapX = 8;
+const gapY = 8;
+
+const sheetTypes = ["code", "spritesheet", "map"] as const;
+const defaultSheetVal = {
+	code: () => "",
+	spritesheet: () => Array(128).fill(0).map(() => Array(64).fill(0)),
+	map: () => Array(64*64).fill(0).map(() => [0, 0]),
+	none: () =>null,
+}
+
+const update = () => {
+	if (mouseClick()) {
+		const {x: mouseX, y: mouseY} = mousePos();
+		const g = reGridWithGap(mouseX, mouseY, gridX, gridY, cellW, cellH, gapX, gapY);
+		if (g) {
+			const {x, y: _y} = g;
+			const sheetType = sheetTypes[x];
+			setSheet(page.activeSheet, sheetType, defaultSheetVal[sheetType]());
+			page.tab = getSheet(page.activeSheet).sheet_type;
+		}
+	}
+}
+const draw = () => {
+	clearScreen();
+	useSpritesheet(page.activeSheet);
+	fillRect(0, 8, 128, 112, COLOR.BLACK);
+
+	drawText(4, 16, "Click an icon below to choose");
+	drawText(4, 16+7, "this sheet's type...");
+
+	// Draw the spritesheet
+	sheetTypes.forEach((sheetType, i) => {
+		const sx = gridX+(cellW+gapX)*(i%6);
+		const sy = gridY+(cellH+gapY)*Math.floor(i/6);
+		const icon = {
+			code: codeIcon,
+			spritesheet: spriteIcon,
+			map: mapIcon,
+			none: null,
+		}[sheetType];
+		drawIcon(sx, sy, icon, COLOR.BLUE);
+	});
+}
+
+export const nonetab = {
+	update,
+	draw,
+}

pico8_builtins.txt

@@ -0,0 +1,130 @@
+- [x] load
+- [x] save
+- [ ] folder
+- [ ] ls
+- [x] run
+- [ ] stop
+- [ ] resume
+- [ ] assert
+- [ ] reboot
+- [ ] reset
+- [ ] info
+- [ ] flip
+- [x] printh (as `log`)
+- [ ] time/t
+- [ ] stat
+- [ ] extcmd
+
+- [ ] clip
+- [x] pset
+- [ ] pget
+- [ ] sget
+- [ ] sset
+- [ ] fget
+- [ ] fset
+- [?] print
+- [ ] cursor
+- [ ] color
+- [x] cls
+- [x] camera
+- [x] circ
+- [x] circfill
+- [x] oval
+- [x] ovalfill
+- [ ] line
+- [x] rect
+- [x] rectfill
+- [ ] pal
+- [ ] palt
+- [x] spr
+- [ ] sspr
+- [ ] fillp
+
+- [x] btn
+- [x] btnp
+
+- [ ] sfx
+- [ ] music
+
+- [x] mget
+- [x] mset
+- [x] map
+- [ ] tline
+
+- [ ] peek
+- [ ] poke
+- [ ] peek2
+- [ ] poke2
+- [ ] peek4
+- [ ] poke4
+- [ ] memcpy
+- [ ] reload
+- [ ] cstore
+- [ ] memset
+
+- [ ] menuitem
+
+- [ ] cartdata
+- [ ] dget
+- [ ] dset
+
+- [ ] serial
+
+- [ ] setmetatable
+- [ ] getmetatable
+- [ ] rawset
+- [ ] rawget
+- [ ] rawequal
+- [ ] rawlen
+
+
+== most things below here handled by js or easily included.
+
+-- js Array has most things we want here
+- [ ] add
+- [ ] del
+- [ ] deli
+- [ ] count
+- [ ] all
+- [ ] foreach
+- [ ] pairs
+
+- [x] max
+- [x] min
+- [ ] mid
+- [x] flr
+- [x] ceil
+- [x] cos
+- [x] sin
+- [x] atan2
+- [x] sqrt
+- [x] abs
+- [x] rnd
+- [ ] srand
+
+-- skipping these in favor of bitwise operations if needed
+- [ ] band
+- [ ] bor
+- [ ] bxor
+- [ ] bnot
+- [ ] shl
+- [ ] shr
+- [ ] lshr
+- [ ] rotl
+- [ ] rotr
+
+-- js comes with stuff here (String, Number, typeof, etc.)
+- [ ] tostr
+- [ ] tonum
+- [ ] chr
+- [ ] ord
+- [ ] sub
+- [ ] split
+- [ ] type
+
+-- js comes with stuff here
+- [ ] cocreate
+- [ ] coresume
+- [ ] assert
+- [ ] costatus
+- [ ] yield

repl.ts

@@ -0,0 +1,130 @@
+import { drawText} from "./builtins.ts";
+import { getKeysPressed, shiftKeyDown, shiftMap, K } from "./keyboard.ts";
+import { font } from "./font.ts";
+import { addToContext, evalCode } from "./runcode.ts";
+import { clearScreen, fillRect } from "./window.ts";
+import { COLOR } from "./colors.ts";
+
+const lineHeight = 6;
+
+const history: Array<string> = [];
+let historyIndex = history.length;
+let textLinesAbove: Array<string> = [];
+let maxLineLen = 0;
+let currentLine = "";
+let index = 0;
+
+export const resetRepl = () => {
+	historyIndex = history.length;
+	textLinesAbove.length = 0;
+	maxLineLen = 0;
+	currentLine = "";
+	index = 0;
+}
+
+const print = (arg: unknown) => {
+	textLinesAbove.push(...String(arg).split("\n").flatMap((line)=>{
+		const wrap = [];
+		while (line.length) {
+			wrap.push(line.slice(0,32));
+			line = line.slice(32);
+		}
+		return wrap;
+	}));
+	textLinesAbove = textLinesAbove.slice(-20);
+}
+
+const printVal = (arg: unknown) => {
+	print(JSON.stringify(arg));
+}
+
+addToContext("print", print);
+addToContext("printVal", printVal);
+
+const update = () => {
+	// TODO: model this after the newer editmode.ts version using getKeyboardString
+	for (const key of getKeysPressed()) {
+		let char = String.fromCharCode(key).toLowerCase();
+		if (shiftKeyDown()) {
+			if (char in shiftMap) {
+				char = shiftMap[char as keyof typeof shiftMap];
+			} else {
+				char = char.toUpperCase();
+			}
+		}
+		if (char in font.chars) {
+			currentLine = currentLine.slice(0, index)+char+currentLine.slice(index);
+			index += 1;
+		} else if (key === K.BACKSPACE) {
+			if (index > 0) {
+				currentLine = currentLine.slice(0, index-1)+currentLine.slice(index);
+				index -= 1;
+			}
+		} else if (key === K.ARROW_LEFT) {
+			index -= 1;
+			if (index < 0) {
+				index = 0;
+			}
+		} else if (key === K.ARROW_RIGHT) {
+			index += 1;
+			if (index > currentLine.length) {
+				index = currentLine.length;
+			}
+		} else if (key === K.ARROW_UP) {
+			historyIndex -= 1;
+			if (historyIndex < 0) {
+				historyIndex = -1;
+			}
+			const lineAtHistory = history[historyIndex] ?? "";
+			currentLine = lineAtHistory;
+			index = currentLine.length;
+		} else if (key === K.ARROW_DOWN) {
+			historyIndex += 1;
+			if (historyIndex > history.length) {
+				historyIndex = history.length;
+			}
+			const lineAtHistory = history[historyIndex] ?? "";
+			currentLine = lineAtHistory;
+			index = currentLine.length;
+		} else if (key === K.ENTER) {
+			if (currentLine) {
+				history.push(currentLine);
+				historyIndex = history.length;
+			}
+			print("> "+currentLine);
+			try {
+				const ran = evalCode(currentLine);
+				if (ran !== undefined) {
+					printVal(ran);
+				}
+			} catch (err) {
+				print(err.name+":\n"+err.message);
+			}
+			maxLineLen = 0;
+			currentLine = "";
+			index = 0;
+		}
+	}
+	maxLineLen = Math.max(maxLineLen, currentLine.length);
+}
+
+const drawTextAbove = () => {
+	textLinesAbove.forEach((line, i) => {
+		fillRect(0, 1+i*lineHeight, 4*(line.length+1)+1, lineHeight+1, COLOR.BLACK);
+		drawText(0, 1+i*lineHeight, line);
+	});
+}
+
+const draw = () => {
+	clearScreen();
+
+	drawTextAbove();
+
+	fillRect(0, 1+textLinesAbove.length*lineHeight, 4*(2+maxLineLen+1)+1, lineHeight+1, COLOR.BLACK);
+	fillRect((2+index)*4, textLinesAbove.length*lineHeight+1, 4, lineHeight-1, COLOR.RED);
+	drawText(0, 1+textLinesAbove.length*lineHeight, "> "+currentLine);
+}
+
+export const repl = {
+	update, draw
+}

runcode.ts

@@ -0,0 +1,56 @@
+// deno-lint-ignore no-explicit-any
+const G: any = {
+	eval: eval,
+};
+// deno-lint-ignore no-explicit-any
+const builtins: any = {};
+const context = new Proxy(G, {
+	get: (target, prop) => {
+		if (prop in builtins) {
+			return builtins[prop as keyof typeof builtins];
+		}
+		return target[prop];
+	},
+	set: (target, prop, value) => {
+		target[prop] = value;
+		return true;
+	},
+	has: () => {
+		return true;
+	},
+});
+
+export const runCode = (code: string) => {
+	try {
+		new Function(code);
+	} catch (err) {
+		throw err;
+	}
+	const fn = new Function("context", `
+		with (context) {
+			${code}
+		}
+	`);
+	return fn(context);
+}
+
+export const evalCode = (code: string) => {
+	try {
+		return runCode(`return eval("(${code.replaceAll('"', '\\"')})");`);
+	} catch (err) {
+		if (err.name === "SyntaxError") {
+			return runCode(`return eval("${code.replaceAll('"', '\\"')}");`);
+		} else {
+			throw err;
+		}
+	}
+}
+
+// deno-lint-ignore no-explicit-any
+export const addToContext = (name: string, value: any) => {
+	builtins[name] = value;
+}
+
+export const getBuiltins = () => {
+	return builtins;
+}

sheet.ts

@@ -0,0 +1,55 @@
+import { getCart } from "./cart.ts";
+import { LinearGrid } from "./util.ts";
+// import { runCode, addToContext } from "./runcode.ts";
+
+// "code" | "spritesheet" | "map" | "sfx" | "patterns" | "fonts"
+export type Sheet = {
+	sheet_type: "code",
+	value: string,
+} | {
+	sheet_type: "spritesheet",
+	value: Array<Array<number>>,
+} | {
+	sheet_type: "map",
+	value: Array<[number, number]>,
+} | {
+	sheet_type: "none",
+	value: null,
+}
+export type SheetType = Sheet["sheet_type"];
+
+export const getSheet = (n: number) => {
+	return getCart()[n];
+}
+
+// deno-lint-ignore no-explicit-any
+export const setSheet = (n: number, type: SheetType, value: any) => {
+	return getCart()[n] = {sheet_type: type, value};
+}
+
+export const getCodeSheet = (sheet: number) => {
+	const {sheet_type, value} = getSheet(sheet);
+	if (sheet_type !== "code") {
+		throw "Trying to use a non-code sheet as code."
+	}
+	return value;
+}
+
+export const getSpriteSheet = (sheet: number) => {
+	const {sheet_type, value} = getSheet(sheet);
+	if (sheet_type !== "spritesheet") {
+		throw Error("Trying to use a non-sprite sheet as a spritesheet.");
+	}
+	while (value.length < 128) {
+		value.push(Array(64).fill(0));
+	}
+	return value;
+}
+
+export const getMapSheet = (sheet: number) => {
+	const {sheet_type, value} = getSheet(sheet);
+	if (sheet_type !== "map") {
+		throw "Trying to use a non-map sheet as a map."
+	}
+	return LinearGrid(value, 64);
+}

spritetab.ts

@@ -0,0 +1,134 @@
+import { clearScreen, fillRect } from "./window.ts";
+import { drawSprite, drawText } from "./builtins.ts";
+import { COLOR } from "./colors.ts";
+import { getSpriteSheet, setSheet } from "./sheet.ts";
+import { mouseClick, mouseHeld, mousePos } from "./mouse.ts";
+import { drawTransparentRect, inRect, outlineRect, reGrid } from "./util.ts";
+import { page } from "./viewsheets.ts";
+import { useSpritesheet } from "./builtins.ts";
+
+const state = {
+	selectedSprite: 0,
+	selectedColor: 0,
+	get spriteSheetPage() {
+		return Math.floor(this.selectedSprite/64);
+	},
+	set spriteSheetPage(val) {
+		this.selectedSprite = 64*val+this.spriteWithinPage;
+	},
+	get spriteWithinPage() {
+		return this.selectedSprite%64;
+	},
+	set spriteWithinPage(val) {
+		this.selectedSprite = 64*this.spriteSheetPage+val;
+	},
+	get sprites() {
+		return getSpriteSheet(page.activeSheet);
+	},
+	set sprites(val) {
+		setSheet(page.activeSheet, "spritesheet", val);
+	}
+}
+
+const paletteX = 88;
+const paletteY = 16;
+const swatchW = 8;
+const swatchH = 8;
+const paletteW = 4;
+const paletteH = 6;
+
+const spriteX = 8;
+const spriteY = 16;
+const pixelW = 8;
+const pixelH = 8;
+
+const spriteW = 8;
+const spriteH = 8;
+
+const sheetX = 0;
+const sheetY = 88;
+const sheetW = 16;
+const sheetH = 4;
+
+const spriteSheetPageSwapX = 121;
+const spriteSheetPageSwapY = 80;
+const spriteSheetPageSwapW = 7;
+const spriteSheetPageSwapH = 7;
+
+const update = () => {
+	if (mouseHeld()) {
+		const {x: mouseX, y: mouseY} = mousePos();
+		const inPalette = inRect(mouseX, mouseY, paletteX, paletteY, paletteW*swatchW, paletteH*swatchH);
+		const inSprite = inRect(mouseX, mouseY, spriteX, spriteY, spriteW*pixelW, spriteH*pixelH);
+		const inSheet = inRect(mouseX, mouseY, sheetX, sheetY, sheetW*spriteW, sheetH*spriteH);
+		if (inPalette) {
+			const {x, y} = reGrid(mouseX, mouseY, paletteX, paletteY, swatchW, swatchH);
+			state.selectedColor = paletteW*y+x;
+		}
+		if (inSprite) {
+			const {x, y} = reGrid(mouseX, mouseY, spriteX, spriteY, pixelW, pixelH);
+			const pixelNumber = spriteW*y+x;
+			state.sprites[state.selectedSprite][pixelNumber] = state.selectedColor;
+		}
+		if (inSheet) {
+			const {x, y} = reGrid(mouseX, mouseY, sheetX, sheetY, spriteW, spriteH);
+			state.spriteWithinPage = sheetW*y+x;
+		}
+	} else if (mouseClick()) {
+		const {x: mouseX, y: mouseY} = mousePos();
+		const inSpriteSheetPageSwap = inRect(mouseX, mouseY, spriteSheetPageSwapX, spriteSheetPageSwapY, spriteSheetPageSwapW, spriteSheetPageSwapH);
+		if (inSpriteSheetPageSwap) {
+			state.spriteSheetPage = (1+state.spriteSheetPage)%2;
+		}
+	}
+}
+
+const draw = () => {
+	const {sprites, selectedSprite, selectedColor} = state;
+	clearScreen();
+	useSpritesheet(page.activeSheet);
+	fillRect(0, 8, 128, 112, COLOR.DARKGRAY);
+
+	// Draw the palette
+	fillRect(paletteX-1, paletteY-1, (paletteW*swatchW)+2, (paletteH*swatchH)+2, COLOR.BLACK);
+	Object.keys(COLOR).forEach((name, i) => {
+		const swatchX = paletteX+swatchW*(i%paletteW);
+		const swatchY = paletteY+swatchH*Math.floor(i/paletteW);
+		fillRect(swatchX, swatchY, swatchW, swatchH, COLOR[name as keyof typeof COLOR]);
+		if (name == "TRANSPARENT") {
+			// transparent
+			drawTransparentRect(swatchX, swatchY, swatchW, swatchH);
+		}
+		if (i === selectedColor) {
+			outlineRect(swatchX, swatchY, swatchW, swatchH, name === "WHITE" ? COLOR.BLACK : COLOR.WHITE);
+		}
+	});
+
+	// Draw the current sprite
+	fillRect(spriteX-1, spriteY-1, (spriteW*pixelW)+2, (spriteH*pixelH)+2, COLOR.BLACK);
+	drawTransparentRect(spriteX, spriteY, (spriteW*pixelW), (spriteH*pixelH));
+	sprites[selectedSprite].forEach((pix, i) => {
+		fillRect(spriteX+pixelW*(i%spriteW), spriteY+pixelH*Math.floor(i/spriteW), pixelW, pixelH, pix);
+	});
+
+	// Draw the spritesheet page swap button
+	fillRect(spriteSheetPageSwapX, spriteSheetPageSwapY, spriteSheetPageSwapW, spriteSheetPageSwapH, COLOR.BLUE);
+	drawText(spriteSheetPageSwapX+2, spriteSheetPageSwapY+1, state.spriteSheetPage.toString());
+	
+	// Draw the spritesheet
+	fillRect(sheetX, sheetY-1, (sheetW*spriteW), (sheetH*spriteH)+1, COLOR.BLACK);
+	Array(64).fill(0).forEach((_, i) => {
+		const sprI = i+64*state.spriteSheetPage;
+		const sprX = sheetX+spriteW*(i%sheetW);
+		const sprY = sheetY+spriteH*Math.floor(i/sheetW);
+		drawSprite(sprX, sprY, sprI);
+		if (i === state.spriteWithinPage) {
+			outlineRect(sprX, sprY, spriteW, spriteH, COLOR.WHITE);
+		}
+	});
+}
+
+export const spritetab = {
+	update,
+	draw,
+}

util.ts

@@ -0,0 +1,98 @@
+import { COLOR } from "./colors.ts";
+import { fillRect, setPixelColor } from "./window.ts";
+
+export const inRect = (x: number, y: number, rectX: number, rectY: number, rectW: number, rectH: number) => {
+	return (
+		x >= rectX &&
+		x < rectX+rectW &&
+		y >= rectY &&
+		y < rectY+rectH
+	)
+}
+
+export function reGridWithGap (x: number, y: number, gridX: number, gridY: number, cellW: number, cellH: number, gapX: number, gapY: number): {x: number, y: number} | null {
+	const gx = Math.floor((x-gridX)/(cellW+gapX));
+	const gy = Math.floor((y-gridY)/(cellH+gapY));
+	if (x >= gridX+(cellW+gapX)*gx+cellW || y >= gridY+(cellH+gapY)*gy+cellH) {
+		return null;
+	}
+	return {
+		x: Math.floor((x-gridX)/(cellW+gapX)),
+		y: Math.floor((y-gridY)/(cellH+gapY)),
+	}
+}
+
+export function reGrid (x: number, y: number, gridX: number, gridY: number, cellW: number, cellH: number): {x: number, y: number} {
+	const gx = Math.floor((x-gridX)/(cellW));
+	const gy = Math.floor((y-gridY)/(cellH));
+	return {
+		x: gx,
+		y: gy,
+	}
+}
+
+export const outlineRect = (x: number, y: number, w: number, h: number, color: number) => {
+	fillRect(x, y, w, 1, color);
+	fillRect(x, y, 1, h, color);
+	fillRect(x+w-1, y, 1, h, color);
+	fillRect(x, y+h-1, w, 1, color);
+}
+
+export const drawTransparentRect = (x: number, y: number, w: number, h: number) => {
+	Array(w*h).fill(0).map((_z, j) => {
+		const jx = j%w;
+		const jy = Math.floor(j/w);
+		setPixelColor(x+jx, y+jy, (jx+jy)%2 ? COLOR.BLACK : COLOR.DARKGRAY);
+	})
+}
+
+export const drawVoidRect = (x: number, y: number, w: number, h: number) => {
+	Array(w*h).fill(0).map((_z, j) => {
+		const jx = j%w;
+		const jy = Math.floor(j/w);
+		setPixelColor(x+jx, y+jy, (jx+jy)%2 ? COLOR.BLACK : COLOR.DARKERBLUE);
+	})
+}
+
+export const subgrid = <T>(array: Array<T>, gridW: number, x: number, y: number, w: number, h: number): Array<T|undefined> => {
+	return Array(h).fill(0).flatMap((_, i) => {
+		if (y+i < 0 || y+i > array.length/gridW) {
+			return Array(w).fill(undefined);
+		}
+		const x0 = Math.max(0, x);
+		const x1 = Math.min(x+w, gridW);
+		const start = (y+i)*gridW+x0;
+		const end = (y+i)*gridW+x1;
+		const before = Array(x0 - x).fill(undefined);
+		const after = Array((x+w) - x1).fill(undefined);
+		const middle = array.slice(start, end);
+		return [...before, ...middle, ...after];
+	})
+}
+
+export const LinearGrid = <T>(array: Array<T>, gridW: number) => {
+	return {
+		get(x: number, y: number) {
+			return array[this.coordsToIndex(x, y)]
+		},
+		getIndex(i: number) {
+			return array[i];
+		},
+		set(x: number, y: number, value: T) {
+			array[this.coordsToIndex(x, y)] = value;
+		},
+		setIndex(i: number, value: T) {
+			array[i] = value;
+		},
+		values: array,
+		indexToCoords: (i: number) => {
+			return [i%gridW, Math.floor(i/gridW)];
+		},
+		coordsToIndex: (x: number, y: number) => {
+			return y*gridW+x;
+		},
+		// TODO: make alterations to subgrid affect parent grid
+		subgrid: (x: number, y: number, w: number, h: number) => LinearGrid(subgrid(array, gridW, x, y, w, h), w),
+	}
+}
+

viewsheets.ts

@@ -0,0 +1,63 @@
+import { clearScreen, fillRect } from "./window.ts";
+import { drawIcon, drawText } from "./builtins.ts";
+import { COLOR } from "./colors.ts";
+import { getSheet } from "./sheet.ts";
+import { mouseClick, mousePos } from "./mouse.ts";
+import { getCart } from "./cart.ts";
+import { font } from "./font.ts";
+import { codeIcon, spriteIcon, mapIcon } from "./icons.ts";
+import { reGridWithGap } from "./util.ts";
+
+const fontHeight = font.height;
+
+export const page = {activeSheet: 0, tab: "sheet"};
+
+const gridX = 8;
+const gridY = 20;
+const cellW = 22;
+const cellH = 16;
+const gapX = 8;
+const gapY = 8;
+
+const update = () => {
+	if (mouseClick()) {
+		const {x: mouseX, y: mouseY} = mousePos();
+		const g = reGridWithGap(mouseX, mouseY, gridX, gridY, cellW, cellH, gapX, gapY);
+		if (g) {
+			const {x, y} = g;
+			page.activeSheet = 4*y+x;
+			const sheet = getSheet(page.activeSheet);
+			if (!sheet) {
+				console.log(x, y, g);
+			}
+			page.tab = getSheet(page.activeSheet).sheet_type;
+		}
+	}
+}
+
+const draw = () => {
+	clearScreen();
+	fillRect(0, 8, 128, 112, COLOR.DARKGRAY);
+
+	// Draw the sheet grid
+	getCart().forEach((sheet, i) => {
+		const x = gridX+(cellW+gapX)*(i%4);
+		const y = gridY+(cellH+gapY)*Math.floor(i/4);
+		fillRect(x, y, cellW, cellH, i===page.activeSheet ? COLOR.PURPLE : COLOR.BLACK);
+		drawText(x+(cellW)/2, y+(cellH-fontHeight)/2, i.toString().padStart(2,"0"));
+		const icon = {
+			code: codeIcon,
+			spritesheet: spriteIcon,
+			map: mapIcon,
+			none: null,
+		}[sheet.sheet_type];
+		if (icon) {
+			drawIcon(x+2, y+4, icon, COLOR.WHITE);
+		}
+	});
+}
+
+export const viewsheets = {
+	update,
+	draw,
+}

window.ts

@@ -0,0 +1,253 @@
+import {
+	createWindow,
+	getProcAddress,
+	gl,
+} from "./deps.ts";
+export {mainloop} from "./deps.ts";
+import { COLOR, palette } from "./colors.ts";
+
+export const gameWindow = createWindow({
+	title: "Faux",
+	width: 1024,
+	height: 1024,
+	resizable: false,
+	glVersion: [3, 2],
+	gles: true,
+});
+
+gl.load(getProcAddress);
+
+function loadShader(type: number, src: string) {
+	const shader = gl.CreateShader(type);
+	gl.ShaderSource(
+		shader,
+		1,
+		new Uint8Array(
+			new BigUint64Array([
+				BigInt(
+					Deno.UnsafePointer.value(
+						Deno.UnsafePointer.of(new TextEncoder().encode(src)),
+					),
+				),
+			]).buffer,
+		),
+		new Int32Array([src.length]),
+	);
+	gl.CompileShader(shader);
+	const status = new Int32Array(1);
+	gl.GetShaderiv(shader, gl.COMPILE_STATUS, status);
+	if (status[0] === gl.FALSE) {
+		const logLength = new Int32Array(1);
+		gl.GetShaderiv(shader, gl.INFO_LOG_LENGTH, logLength);
+		const log = new Uint8Array(logLength[0]);
+		gl.GetShaderInfoLog(shader, logLength[0], logLength, log);
+		console.log(new TextDecoder().decode(log));
+		gl.DeleteShader(shader);
+		return 0;
+	}
+	return shader;
+}
+
+const vShaderSrc = `
+attribute vec4 vPosition;
+attribute vec4 vCol;
+varying vec4 color;
+void main() {
+	gl_Position = vPosition;
+	color = vCol;
+}
+`;
+
+const fShaderSrc = `
+	precision mediump float;
+	varying vec4 color;
+	void main() {
+		gl_FragColor = color;
+	}
+ `;
+
+const vShader = loadShader(gl.VERTEX_SHADER, vShaderSrc);
+const fShader = loadShader(gl.FRAGMENT_SHADER, fShaderSrc);
+
+const program = gl.CreateProgram();
+gl.AttachShader(program, vShader);
+gl.AttachShader(program, fShader);
+
+gl.BindAttribLocation(program, 0, new TextEncoder().encode("vPosition\0"));
+gl.BindAttribLocation(program, 1, new TextEncoder().encode("vCol\0"));
+
+gl.LinkProgram(program);
+
+const status = new Int32Array(1);
+gl.GetProgramiv(program, gl.LINK_STATUS, status);
+if (status[0] === gl.FALSE) {
+	const logLength = new Int32Array(1);
+	gl.GetProgramiv(program, gl.INFO_LOG_LENGTH, logLength);
+	const log = new Uint8Array(logLength[0]);
+	gl.GetProgramInfoLog(program, logLength[0], logLength, log);
+	console.log(new TextDecoder().decode(log));
+	gl.DeleteProgram(program);
+	Deno.exit(1);
+}
+
+gl.ClearColor(0.0, 0.0, 0.0, 1.0);
+
+addEventListener("resize", (event) => {
+	gl.Viewport(0, 0, event.width, event.height);
+});
+
+const pixelsPerRow = 128;
+
+const top = 1;
+const left = -1;
+const cell = 2/pixelsPerRow;
+
+const px = (x: number, y: number) => {
+	// deno-fmt-ignore
+	return [
+		left + x*cell, top - y*cell, 0,
+		left + (x+1)*cell, top - y*cell, 0,
+		left + x*cell, top - (y+1)*cell, 0,
+		left + (x+1)*cell, top - y*cell, 0,
+		left + x*cell, top - (y+1)*cell, 0,
+		left + (x+1)*cell, top - (y+1)*cell, 0,
+	];
+}
+
+const paletteX6 = palette.map(rgba => [...rgba, ...rgba, ...rgba, ...rgba, ...rgba, ...rgba]);
+
+const c = (n: number) => {
+	return paletteX6[n];
+}
+
+const allPixelTriangles = new Float32Array(
+	Array(pixelsPerRow*pixelsPerRow).fill(null).flatMap((_, i) => px(i%pixelsPerRow,Math.floor(i/pixelsPerRow)))
+)
+
+const allPixelColors = new Float32Array(
+	Array(pixelsPerRow*pixelsPerRow).fill(null).flatMap(() => c(1))
+)
+
+export const cameraPos = {
+	x: 0,
+	y: 0,
+}
+
+export const setPixelColorRaw = (x: number, y: number, color: number) => {
+	if (x < 0 || y < 0 || x > 127 || y > 127) {
+		return;
+	}
+	if (color !== 0) {
+		const col = c(color);
+		allPixelColors.set(col, 4*6*(128*y+x));
+	}
+}
+
+export const setPixelColor = (x: number, y: number, color: number) => {
+	return setPixelColorRaw(Math.floor(x - cameraPos.x), Math.floor(y - cameraPos.y), color);
+}
+
+export const setPixelsInRect = (x: number, y: number, w: number, pixels: Array<number>) => {
+	for (let i = 0; i < pixels.length; i++) {
+		setPixelColor(x+i%w, y+Math.floor(i/w), pixels[i]);
+	}
+}
+
+export const setPixelsInRectRaw = (x: number, y: number, w: number, pixels: Array<number>) => {
+	for (let i = 0; i < pixels.length; i++) {
+		setPixelColorRaw(x+i%w, y+Math.floor(i/w), pixels[i]);
+	}
+}
+
+export const fillRect = (x: number, y: number, w: number, h: number, color: number) => {
+	setPixelsInRect(x, y, w, Array(w*h).fill(color));
+}
+
+export const fillCircle = (x: number, y: number, r: number, color: number) => {
+	const left = Math.floor(x-r-1);
+	const top = Math.floor(y-r-1);
+	for (let i = left; i <= Math.ceil(x+r+1); i ++) {
+		for (let j = top; j <= Math.ceil(y+r+1); j ++) {
+			if (Math.sqrt((x-i)**2 + (y-j)**2) <= r+0.5) {
+				setPixelColor(i, j, color);
+			}
+		}
+	}
+}
+
+export const outlineCircle = (x: number, y: number, r: number, color: number) => {
+	const left = Math.floor(x-r-1);
+	const top = Math.floor(y-r-1);
+	const inR = (d: number) => d <= r+0.5 && d > r-0.5;
+	for (let i = left; i <= Math.ceil(x+r+1); i ++) {
+		for (let j = top; j <= Math.ceil(y+r+1); j ++) {
+			const d = Math.sqrt((x-i)**2 + (y-j)**2);
+			if (inR(d)) {
+				const dh = Math.sqrt((x-(i+Math.sign(i-x)))**2 + (y-j)**2);
+				const dv = Math.sqrt((x-i)**2 + (y-(j+Math.sign(j-y)))**2);
+				const h = Math.abs(x-i) > Math.abs(y-j);
+				if (!inR(h ? dh : dv)) {
+					setPixelColor(i, j, color);
+				}
+			}
+		}
+	}
+}
+
+export const fillEllipse = (x0: number, y0: number, x1: number, y1: number, color: number) => {
+	const x = 0.5*(x0 + x1);
+	const y = 0.5*(y0 + y1);
+	const rx = Math.abs(x0-x1)/2;
+	const ry = Math.abs(y0-y1)/2;
+	const left = Math.floor(x-rx-1);
+	const top = Math.floor(y-ry-1);
+	for (let i = left; i <= Math.ceil(x+rx+1); i ++) {
+		for (let j = top; j <= Math.ceil(y+ry+1); j ++) {
+			if (Math.sqrt(((x-i)/rx)**2 + ((y-j)/ry)**2) <= 1+(1/(rx+ry))) {
+				setPixelColor(i, j, color);
+			}
+		}
+	}
+}
+
+export const outlineEllipse = (x0: number, y0: number, x1: number, y1: number, color: number) => {
+	const x = 0.5*(x0 + x1);
+	const y = 0.5*(y0 + y1);
+	const rx = Math.abs(x0-x1)/2;
+	const ry = Math.abs(y0-y1)/2;
+	const left = Math.floor(x-rx-1);
+	const top = Math.floor(y-ry-1);
+	const inR = (d: number) => d <= 1+1/(rx+ry);
+	for (let i = left; i <= Math.ceil(x+rx+1); i ++) {
+		for (let j = top; j <= Math.ceil(y+ry+1); j ++) {
+			const d = Math.sqrt(((x-i)/rx)**2 + ((y-j)/ry)**2);
+			if (inR(d)) {
+				const dh = Math.sqrt(((x-(i+Math.sign(i-x)))/rx)**2 + ((y-j)/ry)**2);
+				const dv = Math.sqrt(((x-i)/rx)**2 + ((y-(j+Math.sign(j-y)))/ry)**2);
+				if (!inR(dh) || !inR(dv)) {
+					setPixelColor(i, j, color);
+				}
+			}
+		}
+	}
+}
+
+export const fillRectRaw = (x: number, y: number, w: number, h: number, color: number) => {
+	setPixelsInRectRaw(x, y, w, Array(w*h).fill(color));
+}
+
+export const clearScreen = (color?: number) => {
+	fillRectRaw(0, 0, 128, 128, color ?? COLOR.BLACK);
+	// allPixelColors.fill(0);
+}
+
+export const frame = () => {
+	gl.Clear(gl.COLOR_BUFFER_BIT);
+	gl.UseProgram(program);
+	gl.VertexAttribPointer(0, 3, gl.FLOAT, gl.FALSE, 0, allPixelTriangles);
+	gl.VertexAttribPointer(1, 4, gl.FLOAT, gl.FALSE, 0, allPixelColors);
+	gl.EnableVertexAttribArray(0);
+	gl.EnableVertexAttribArray(1);
+	gl.DrawArrays(gl.TRIANGLES, 0, 6*pixelsPerRow*pixelsPerRow);
+	gameWindow.swapBuffers();
+}