/*
 * This file is part of the Marmalade SDK Code Samples.
 *
 * Copyright (C) 2001-2011 Ideaworks3D Ltd.
 * All Rights Reserved.
 *
 * This source code is intended only as a supplement to Ideaworks Labs
 * Development Tools and/or on-line documentation.
 *
 * THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
 * PARTICULAR PURPOSE.
 */

#include "s3e.h"

// Include the single header file for the IwGx module
#include "IwGx.h"

//duration of one frame in milliseconds
float durationOfOneFrame = 1000/30.0f;

//the time passed since the marmalade application is run
uint64 lastFrameTime = s3eTimerGetMs();


float time_scale = 1.0f;

// Standard C-style entry point. This can take args if required.
int main()
{

    // Initialise the IwGx drawing module
    IwGxInit();

    // Set the background colour to (opaque) blue
    IwGxSetColClear(0, 0, 0xff, 0xff);

	float timer = 0.0f;
	int textDisplay = 0;
	uint64 currentFrameTime = 0;

    // Loop forever, until the user or the OS performs some action to quit the app
    while(!s3eDeviceCheckQuitRequest())
    {
        // Clear the surface
        IwGxClear();


		if (timer >= 1000.0f)
		{
			if(textDisplay == 2)
			{
				textDisplay = 0;
			}
			else
			{
				textDisplay++;
			}

			timer = 0.0f;
		}
		else
		{
			currentFrameTime = s3eTimerGetMs();
			timer += (lastFrameTime - currentFrameTime);
			lastFrameTime = currentFrameTime;
		}

		switch(textDisplay)
		{
		case 0:
	        // Use the built-in font to display a string at coordinate (120, 150)
	        IwGxPrintString(120, 150, "Hello, World!");
			break;
		case 1:
			// Use the built-in font to display a string at coordinate (120, 150)
	        IwGxPrintString(120, 150, "It's been nice");
			break;
		case 2:
			// Use the built-in font to display a string at coordinate (120, 150)
	        IwGxPrintString(120, 150, "Let's work together!");
			break;
		}

        // Standard EGL-style flush of drawing to the surface
        IwGxFlush();

        // Standard EGL-style flipping of double-buffers
        IwGxSwapBuffers();

        // Sleep for 0ms to allow the OS to process events etc.
        s3eDeviceYield(0);
    }

    // Shut down the IwGx drawing module
    IwGxTerminate();

    // Return
    return 0;
}