From 3e572cdf76b72b3f22294f3333af5e4e506346a8 Mon Sep 17 00:00:00 2001
From: Ryan Huffman <ryanhuffman@gmail.com>
Date: Fri, 1 Aug 2014 13:44:40 -0700
Subject: [PATCH] Add SpeechRecognizer to js and speechControl.js

---
 examples/speechControl.js     | 98 +++++++++++++++++++++++++++++++++++
 interface/src/Application.cpp |  2 +
 2 files changed, 100 insertions(+)
 create mode 100644 examples/speechControl.js

diff --git a/examples/speechControl.js b/examples/speechControl.js
new file mode 100644
index 0000000000..aee2f31fd0
--- /dev/null
+++ b/examples/speechControl.js
@@ -0,0 +1,98 @@
+//
+//  speechControl.js
+//  examples
+//
+//  Created by Ryan Huffman on 07/31/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+var CMD_MOVE_FORWARD = "Move forward";
+var CMD_MOVE_BACKWARD = "Move backward";
+var CMD_MOVE_UP = "Move up";
+var CMD_MOVE_DOWN = "Move down";
+var CMD_STRAFE_LEFT = "Strafe left";
+var CMD_STRAFE_RIGHT = "Strafe right";
+var CMD_STOP = "Stop";
+
+var CMD_SHOW_COMMANDS = "Show commands";
+
+var commands = [
+    CMD_MOVE_FORWARD,
+    CMD_MOVE_BACKWARD,
+    CMD_MOVE_UP,
+    CMD_MOVE_DOWN,
+    CMD_STRAFE_LEFT,
+    CMD_STRAFE_RIGHT,
+    CMD_STOP,
+    CMD_SHOW_COMMANDS,
+];
+
+var moveForward = 0;
+var moveRight = 0;
+var turnRight = 0;
+var moveUp = 0;
+
+function commandRecognized(command) {
+    if (command === CMD_MOVE_FORWARD) {
+        accel = { x: 0, y: 0, z: 1 };
+    } else if (command == CMD_MOVE_BACKWARD) {
+        accel = { x: 0, y: 0, z: -1 };
+    } else if (command === CMD_MOVE_UP) {
+        accel = { x: 0, y: 1, z: 0 };
+    } else if (command == CMD_MOVE_DOWN) {
+        accel = { x: 0, y: -1, z: 0 };
+    } else if (command == CMD_STRAFE_LEFT) {
+        accel = { x: -1, y: 0, z: 0 };
+    } else if (command == CMD_STRAFE_RIGHT) {
+        accel = { x: 1, y: 0, z: 0 };
+    } else if (command == CMD_STOP) {
+        accel = { x: 0, y: 0, z: 0 };
+    } else if (command == CMD_SHOW_COMMANDS) {
+        var msg = "";
+        for (var i = 0; i < commands.length; i++) {
+            msg += commands[i] + "\n";
+        }
+        Window.alert(msg);
+    }
+}
+
+var accel = { x: 0, y: 0, z: 0 };
+
+var ACCELERATION = 80;
+var initialized = false;
+
+function update(dt) {
+    var headOrientation = MyAvatar.headOrientation;
+    var front = Quat.getFront(headOrientation);
+    var right = Quat.getRight(headOrientation);
+    var up = Quat.getUp(headOrientation);
+
+    var thrust = Vec3.multiply(front, accel.z * ACCELERATION);
+    thrust = Vec3.sum(thrust, Vec3.multiply(right, accel.x * ACCELERATION));
+    thrust = Vec3.sum(thrust, Vec3.multiply(up, accel.y * ACCELERATION));
+    // print(thrust.x + ", " + thrust.y + ", " + thrust.z);
+    MyAvatar.addThrust(thrust);
+}
+
+function setup() {
+    for (var i = 0; i < commands.length; i++) {
+        SpeechRecognizer.addCommand(commands[i]);
+    }
+    print("SETTING UP");
+}
+
+function scriptEnding() {
+    print("ENDING");
+    for (var i = 0; i < commands.length; i++) {
+        SpeechRecognizer.removeCommand(commands[i]);
+    }
+}
+
+Script.scriptEnding.connect(scriptEnding);
+Script.update.connect(update);
+SpeechRecognizer.commandRecognized.connect(commandRecognized);
+
+setup();
diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index b7c58a15f9..21732763f0 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -3664,6 +3664,8 @@ ScriptEngine* Application::loadScript(const QString& scriptName, bool loadScript
     scriptEngine->registerGlobalObject("Camera", cameraScriptable);
     connect(scriptEngine, SIGNAL(finished(const QString&)), cameraScriptable, SLOT(deleteLater()));
 
+    scriptEngine->registerGlobalObject("SpeechRecognizer", &_speechRecognizer);
+
     ClipboardScriptingInterface* clipboardScriptable = new ClipboardScriptingInterface();
     scriptEngine->registerGlobalObject("Clipboard", clipboardScriptable);
     connect(scriptEngine, SIGNAL(finished(const QString&)), clipboardScriptable, SLOT(deleteLater()));