Replace map system

src/engine/datatypes.ts

@@ -84,6 +84,14 @@ export class Size {
   add(other: Size) {
     return new Size(this.w + other.w, this.h + other.h);
   }
+
+  equals(other: Size) {
+    return this.w == other.w && this.h == other.h;
+  }
+
+  toString(): string {
+    return `${this.w}x${this.h}`
+  }
 }
 
 export class Rect {
@@ -121,6 +129,18 @@ export class Grid<T> {
     }
   }
 
+  static createGridFromMultilineString(multiline: string): Grid<string> {
+    let lines = []
+    for (let line of multiline.split("\n")) {
+      let trimmedLine = line.trim();
+      if (trimmedLine == "") {
+        continue;
+      }
+      lines.push(trimmedLine)
+    }
+    return this.createGridFromStringArray(lines);
+  }
+
   static createGridFromStringArray(ary: Array<string>): Grid<string> {
     let w = 0;
     let h = ary.length;