Add undo-redo

sheet.ts

@@ -1,5 +1,5 @@
 import { getCart } from "./cart.ts";
-import { runCode, addToContext } from "./runcode.ts";
+// import { runCode, addToContext } from "./runcode.ts";
 
 // "code" | "spritesheet" | "map" | "sfx" | "patterns" | "fonts"
 export type Sheet = {
@@ -20,12 +20,20 @@ export const setSheet = (n: number, type: SheetType, value: any) => {
 	return getCart()[n] = {sheet_type: type, value};
 }
 
-export const codeSheet = (sheet: number) => {
+export const getCodeSheet = (sheet: number) => {
 	const {sheet_type, value} = getSheet(sheet);
 	if (sheet_type !== "code") {
-		throw "Trying to run a non-code sheet as code."
+		throw "Trying to use a non-code sheet as code."
 	}
-	return runCode(value);
+	return value;
 }
 
-addToContext("code_sheet", codeSheet);
+export const getSpriteSheet = (sheet: number) => {
+	const {sheet_type, value} = getSheet(sheet);
+	if (sheet_type !== "spritesheet") {
+		throw "Trying to use a non-sprite sheet as a spritesheet."
+	}
+	return value;
+}
+
+// addToContext("code", codeSheet);