some more cart infrastructure
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a7b675d541
commit
fdc8f97aee
@ -3,6 +3,7 @@ import {
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clearScreen,
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} from "./window.ts";
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import { font } from "./font.ts";
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// import { codeSheet } from "./sheet.ts";
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// deno-fmt-ignore
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const sprites = [
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@ -53,9 +54,10 @@ const drawText = (x: number, y: number, text: string) => {
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}
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const faux = {
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clearScreen,
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drawSprite,
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drawText,
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clear_screen: clearScreen,
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draw_sprite: drawSprite,
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draw_text: drawText,
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// code_sheet: codeSheet,
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};
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export default faux;
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11
cart.ts
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11
cart.ts
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@ -0,0 +1,11 @@
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import fakeCart from "./cart_unpacked.json" assert { type: "json" };
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const cart = fakeCart;
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export const loadCart = (_name: string) => {
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return;
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}
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export const getCart = () => {
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return cart;
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}
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@ -1,31 +0,0 @@
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import faux from "./builtins.ts";
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export type SheetType = "code" | "spritesheet" | "map" | "sfx" | "patterns" | "fonts";
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export const parseCodeSheet = (sheet: string) => {
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try {
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new Function(sheet);
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} catch (err) {
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throw err;
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}
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// deno-lint-ignore no-explicit-any
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const G: any = {...faux, faux, log: console.log};
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const context = new Proxy(G, {
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get: (target, prop) => {
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return target[prop];
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},
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set: (target, prop, value) => {
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target[prop] = value;
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return true;
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},
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has: () => {
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return true;
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},
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});
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const fn = new Function("context", `
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with (context) {
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${sheet}
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}
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`);
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return fn(context);
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}
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@ -1,6 +1,10 @@
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[
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{
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"sheet_type": "code",
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"value": "return {init: () => {}, update: () => {}, draw: () => {clearScreen(); drawText(0, 0, 'hello world')}}"
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"value": "x = code_sheet(1);\nreturn {init: () => {y = 0}, update: () => {y += speed; if (y > 127) {y = -6}}, draw: () => {clear_screen(); draw_text(x, y, 'hello world')}}"
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},
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{
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"sheet_type": "code",
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"value": "speed = 2; return 8"
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}
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]
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19
game.ts
19
game.ts
@ -1,19 +0,0 @@
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import faux from "./builtins.ts";
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let y = 0;
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export default {
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init() {
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},
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update() {
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y++;
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if (y>127) {
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y=-5;
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}
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},
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draw() {
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faux.clearScreen();
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faux.drawText(0, y, "hello, world");
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},
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}
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5
index.ts
5
index.ts
@ -2,10 +2,9 @@ import {
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mainloop,
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frame,
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} from "./window.ts";
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import cart from "./cart_unpacked.json" assert { type: "json" };
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import { parseCodeSheet } from "./cart_tools.ts";
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import { codeSheet } from "./sheet.ts";
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const game = parseCodeSheet(cart[0].value);
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const game = codeSheet(0);
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game.init();
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38
sheet.ts
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38
sheet.ts
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@ -0,0 +1,38 @@
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import faux from "./builtins.ts";
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import { getCart } from "./cart.ts";
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export type SheetType = "code" | "spritesheet" | "map" | "sfx" | "patterns" | "fonts";
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const getSheet = (n: number) => {
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return getCart()[n].value;
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}
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export const codeSheet = (sheet: number) => {
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const code = getSheet(sheet);
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try {
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new Function(code);
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} catch (err) {
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throw err;
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}
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const fn = new Function("context", `
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with (context) {
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${code}
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}
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`);
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return fn(context);
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}
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// deno-lint-ignore no-explicit-any
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const G: any = {...faux, faux, log: console.log, code_sheet: codeSheet};
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const context = new Proxy(G, {
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get: (target, prop) => {
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return target[prop];
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},
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set: (target, prop, value) => {
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target[prop] = value;
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return true;
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},
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has: () => {
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return true;
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},
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});
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