Fix map stuff, and implement builtin funcs for it

builtins.ts

@@ -8,11 +8,15 @@ import { 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 } from "./sheet.ts";
+import { getSheet, getCodeSheet, getMapSheet } from "./sheet.ts";
 import { saveCart, loadCart } from "./cart.ts";
 
 let spritesheet: number | null = null;
 
+export const getSpritesheet = () => {
+	return spritesheet;
+}
+
 export const useSpritesheet = (sheet: number) => {
 	spritesheet = sheet;
 }
@@ -79,6 +83,37 @@ const faux = {
 	spr: drawSprite,
 	txt: drawText,
 	rect: fillRect,
+	map: (mapSheet: number, tileX: number, tileY: number, screenX: number, screenY: number, tileW: number, tileH: number) => {
+		const originalSpritesheet = getSpritesheet() ?? 0;
+		getMapSheet(mapSheet).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)[y*64+x][0];
+	},
+	mgetspr: (mapSheet: number, x: number, y: number) => {
+		if (x < 0 || x >= 64 || y < 0 || y >= 64) {
+			return undefined;
+		}
+		return getMapSheet(mapSheet)[y*64+x][1];
+	},
+	mset: (mapSheet: number, x: number, y: number, sprSheet: number, spr: number) => {
+		if (x < 0 || x >= 64 || y < 0 || y >= 64) {
+			return;
+		}
+		getMapSheet(mapSheet)[y*64+x] = [sprSheet, spr];
+	},
 	// Input
 	btn: keyDown,
 	btnp: keyPressed,

maptab.ts

@@ -32,14 +32,14 @@ const state = {
 	setInPatch(i: number, sprsheet: number, sprite: number) {
 		const xx = this.selectedPatch%overviewW;
 		const yy = Math.floor(this.selectedPatch/overviewW);
-		const cell = (yy+patchH*Math.floor(i/patchW))*overviewW*patchW+xx*patchW+i%patchW;
+		const cell = (yy*patchH+Math.floor(i/patchW))*overviewW*patchW+xx*patchW+i%patchW;
 		this.map[cell] = [sprsheet, sprite];
 	},
 	get patch() {
 		const xx = this.selectedPatch%overviewW;
 		const yy = Math.floor(this.selectedPatch/overviewW);
 		return Array(overviewH).fill(0).flatMap((_, i) => {
-			const start = (yy+patchH*i)*overviewW*patchW+xx*patchW;
+			const start = (yy*patchH+i)*overviewW*patchW+xx*patchW;
 			return this.map.slice(start, start+patchW);
 		})
 	}

pico8_builtins.txt

@@ -46,9 +46,9 @@
 - [ ] sfx
 - [ ] music
 
-- [ ] mget
-- [ ] mset
-- [ ] map
+- [x] mget
+- [x] mset
+- [x] map
 - [ ] tline
 
 - [ ] peek

viewsheets.ts

@@ -26,6 +26,10 @@ const update = () => {
 		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;
 		}
 	}