fantasy-console/builtins.ts

import {
	setPixelsInRect,
	clearScreen,
} from "./window.ts";
import { font } from "./font.ts";

// deno-fmt-ignore
const sprites = [
	[
		2, 2, 2, 2, 2, 2, 2, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 2, 2, 2, 2, 2, 2, 2,
	],
	[
		2, 2, 2, 2, 2, 2, 2, 2,
		2, 3, 3, 1, 1, 3, 3, 2,
		2, 3, 3, 1, 1, 3, 3, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 1, 1, 1, 1, 1, 1, 2,
		2, 3, 3, 1, 1, 3, 3, 2,
		2, 3, 3, 1, 1, 3, 3, 2,
		2, 2, 2, 2, 2, 2, 2, 2,
	],
	[
		2, 2, 2, 2, 2, 2, 2, 2,
		2, 4, 4, 4, 4, 5, 5, 2,
		2, 4, 4, 4, 5, 5, 5, 2,
		2, 4, 4, 5, 5, 5, 6, 2,
		2, 4, 5, 5, 5, 6, 6, 2,
		2, 5, 5, 5, 6, 6, 6, 2,
		2, 5, 5, 6, 6, 6, 6, 2,
		2, 2, 2, 2, 2, 2, 2, 2,
	],
]

const drawSprite = (x: number, y: number, spr: number) => {
	setPixelsInRect(x, y, 8, sprites[spr]);
}

const drawChar = (x: number, y: number, char: string) => {
	setPixelsInRect(x, y, 4, font[char]);
}

const drawText = (x: number, y: number, text: string) => {
	[...text].forEach((char, i) => {
		drawChar(x+4*i, y, char);
	});
}

const faux = {
	clearScreen,
	drawSprite,
	drawText,
};

export default faux;