input echo

src/engine/commands.js

@@ -2,12 +2,14 @@ import LookCommand from "./commands/look";
 import UseCommand from "./commands/use";
 import TakeCommand from "./commands/take";
 import DropCommand from "./commands/drop";
+import EchoCommand from "./commands/echo";
 
 const defaultCommands = [
     [["look", "l"], LookCommand],
     [["use", "interact"], UseCommand],
     [["take", "get"], TakeCommand],
-    [["drop", "put"], DropCommand]
+    [["drop", "put"], DropCommand],
+    ["echo", EchoCommand]
 ];
 
 const directionMap = [

src/engine/commands/echo.js

@@ -0,0 +1,8 @@
+export default function EchoCommand(args, context) {
+    if (args[1] != "on" && args[1] != "off") {
+        context.print(`Usage: echo <on/off>`);
+    } else {
+        context.setInputEcho(args[1] == "on" ? true : false);
+        context.print(`Command echo is now ${args[1]}`);
+    }
+}

src/engine/index.js

@@ -94,4 +94,8 @@ export default class Game {
     enableCommandInput(value) {
         this.commandHandler.enabled = value;
     }
+
+    setInputEcho(value) {
+        this.input.setEcho(value);
+    }
 }

src/engine/input.js

@@ -2,16 +2,21 @@ export default class Input {
     constructor(commandHandler, outputHandler) {
         this.handler = commandHandler;
         this.output = outputHandler;
+        this.echoInput = true;
         this.inputField = document.getElementById("input-area");
         this.init();
     }
 
+    setEcho(value) {
+        this.echoInput = value;
+    }
+
     init() {
         this.inputField.addEventListener("keydown", (e) => {
             if (e.which == 13) {
                 const val = this.inputField.value;
                 this.inputField.value = "";
-                this.output.say(`> ${val}`);
+                if (this.echoInput) this.output.say(`> ${val}`);
                 this.handler.doCommand(val);
             }
         })