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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
// runtime globals
g_Engine = new Engine();
g_width = 0;
g_height = 0;
g_cam = null;
g_camMoveSpeed = 25.0;
gl = null; //webGL handle
g_worldObjects = [];
g_shaderMan = null
g_defaultTex = null;
g_alphaTex = null;
g_hiQu = true;
g_meshMan = null;
/*
* RDGEState a RDGEstate is an interface that is defined by the user and called by the engine
*/
function RDGEState()
{
this.init = function()
{
}
this.update = function(dt)
{
}
this.draw = function()
{
}
this.resize = function()
{
}
this.shutdown = function()
{
}
this.onComplete = function()
{
}
}
/*
* Calling this makes sure the passed in run state has all the functions
* that are required, adding dummy functions where needed
*/
function validateUserState( userState )
{
if(!userState.init)
{
userState.init = function(){};
}
if(!userState.update)
{
userState.update = function(dt)
{
var currentScene = g_Engine.getContext().currentScene;
currentScene = g_Engine.getScene(currentScene);
if(currentScene != null)
currentScene.update(dt);
}
}
if(!userState.draw)
{
userState.draw = function()
{
var currentScene = g_Engine.getContext().currentScene;
currentScene = g_Engine.getScene(currentScene);
if(currentScene==null)
return;
currentScene.render();
}
}
if(!userState.resize)
{
userState.resize = function(){};
}
if(!userState.shutdown)
{
userState.shutdown = function(){};
}
if(!userState.onComplete)
{
userState.onComplete = function(){};
}
}
/*
* Used to start the RDGE engine, pass the initState and runState, both of which are RDGEState objects
* initState is used to asynchronously load scene data while allowing you to render and update if needed
* runState is used clear the execution path for regular rendering and updating once loading is complete
* @param initState - the initialization state, false if you don't want to use one
* @param runState - the run state
*/
function RDGEStart(canvasOrID)
{
var canvas = canvasOrID;
if (typeof(canvasOrID) === "string")
canvas = document.getElementById(canvasOrID);
if (!canvas)
return;
g_Engine.registerCanvas(canvas);
canvas.task = new RDGETask(canvas, true);
if (!g_shaderMan)
g_shaderMan = new ShaderManager();
if (!g_meshMan)
g_meshMan = new MeshManager();
// start rdge
if (!g_Engine.initializeComplete)
g_Engine.init();
}
function RDGEStop()
{
if(RDGEShutdown != undefined)
{
RDGEShutdown();
}
}
// the runtime interface
function IRuntime()
{
this.init = null; // called when state is pushed on the stack
this.ReInit = null; // called when state above is popped from stack
this.Resize = null; // called every tick to setup the viewport/projection
this.Update = null; // called every tick to update scene
this.Draw = null; // called every tick to draw scene
this.Shutdown = null; // called when state is popped from stack
}
// add the connection Pool's to this list for auto polling
g_poolList = [];
function ConnPoll()
{
var len = g_poolList.length;
for(var i = 0; i < len; ++i)
{
g_poolList[i].Poll();
}
}
/* RDGE Task */
RDGERequestAnimationFrame = (function() {
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(/* function FrameRequestCallback */callback, /* DOMElement Element */element) {
window.setTimeout(callback, 1000 / 60);
};
})();
RDGETask = (function() {
var tasks = {};
return function(canvas, startNow) {
this.id = canvas.id;
this.currTime = 0.0;
this.lastTime = 0.0;
this.running = false;
this.context = null;
if (!canvas) {
return;
}
this.context = g_Engine.ctxMan.handleToObject(canvas.rdgeCtxHandle);
tasks[this.id] = function() {
if (!self.running) {
return;
}
self.currTime = new Date().getTime();
var dt = (self.currTime - self.lastTime) / 1000.0;
self.step(dt);
RDGERequestAnimationFrame(tasks[self.id], canvas);
self.lastTime = self.currTime;
}
this.start = function() {
this.running = true;
this.currTime = new Date().getTime();
this.lastTime = this.currTime;
tasks[this.id]();
}
this.stop = function() {
this.running = false;
}
this.kill = function() {
this.running = false;
tasks[this.id] = null;
}
this.step = function(dt) {
contextManager.currentCtx = this.context;
this.context.fpsTracker.sample();
this.context.ctxStateManager.tick(dt);
}
var self = this;
if (startNow) {
self.start();
}
}
})();
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