/* 
 * Copyright (c) 2002-2008 LWJGL Project
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are 
 * met:
 * 
 * * Redistributions of source code must retain the above copyright 
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'LWJGL' nor the names of 
 *   its contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.lwjgl.test.input;

import org.lwjgl.Sys;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;
import org.lwjgl.util.vector.Vector2f;

/**
 * <br>
 * Mouse test
 *
 * @author Brian Matzon <brian@matzon.dk>
 * @version $Revision$
 * $Id$
 */
public class MouseCreationTest {
		/** position of quad to draw */
	private Vector2f position = new Vector2f(320.0f, 240.0f);
  
	/** Creates a new instance of MouseTest */
	public MouseCreationTest() {
	}

	private void initialize(boolean fullscreen) {
    try {
        setDisplayMode();
        Display.setFullscreen(fullscreen);
        Display.create();
        Mouse.setGrabbed(true);
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(-1);
    }

    initializeOpenGL();    
	}
  
  /**
   * Sets the display mode for fullscreen mode
   */
  protected boolean setDisplayMode() {
    try {
		// get modes
		DisplayMode[] dm = org.lwjgl.util.Display.getAvailableDisplayModes(640, 480, -1, -1, -1, -1, 60, 60);

      org.lwjgl.util.Display.setDisplayMode(dm, new String[] {
          "width=" + 640,
          "height=" + 480,
          "freq=" + 60,
          "bpp=" + org.lwjgl.opengl.Display.getDisplayMode().getBitsPerPixel()
         }); 
      return true;
    } catch (Exception e) {
      e.printStackTrace();
    }

    return false;
  }  
  
	private void initializeOpenGL() {
    GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
	// Put the window into orthographic projection mode with 1:1 pixel ratio.
	// We haven't used GLU here to do this to avoid an unnecessary dependency.
	GL11.glMatrixMode(GL11.GL_PROJECTION);
	GL11.glLoadIdentity();
	GL11.glOrtho(0.0, Display.getDisplayMode().getWidth(), 0.0, Display.getDisplayMode().getHeight(), -1.0, 1.0);
	GL11.glMatrixMode(GL11.GL_MODELVIEW);
	GL11.glLoadIdentity();
	GL11.glViewport(0, 0, Display.getDisplayMode().getWidth(), Display.getDisplayMode().getHeight());    
	}

	public void executeTest() {
		initialize(false);

		System.out.println("Test ready:\n");
    
    // windowed mode
		System.out.println("=========== WINDOWED MODE ==============");
    for(int i=0; i<2; i++) {
      System.out.println("Test " + (i+1) + ":");
      wiggleMouse();
      System.out.println("");
    }
    
    // recreate display in fullscreen mode
    System.out.print("Destroying display...");
    
    System.out.println("success");
    
    System.out.print("Entering fullscreen mode...");
    try {
      Display.destroy();
      initialize(true);
    } catch (Exception e) {
			e.printStackTrace();
		}
    System.out.println("success");
    
    
    // fullscreen mode
    System.out.println("=========== FULLSCREEN MODE ==============");
    for(int i=0; i<2; i++) {
      System.out.println("Test " + (i+3) + ":");
      wiggleMouse();
      System.out.println("");
    }
    
    System.out.println("Test completed successfully!");
    System.out.print("Shutting down...");
    Display.destroy();
    System.out.println("shutdown complete");
	}

	private void wiggleMouse() {
		System.out.print("Please move the mouse around");

		long statustime = Sys.getTime();
		long endtime = Sys.getTime() + Sys.getTimerResolution() * 5;
    
		while (Sys.getTime() < endtime) {
      Display.update();

      // empty mouse buffer
      while(Mouse.next());
      
			position.x += Mouse.getDX();
			position.y += Mouse.getDY();
      
      if(position.x<0) {
        position.x = 0;
      } else if (position.x>640-60) {
        position.x = 640-60;
      }
      
      if(position.y < 0) {
        position.y = 0;
      } else if (position.y>480-30) {
        position.y = 480-30;
      }      

			render();

			if (Sys.getTime() - statustime > Sys.getTimerResolution()) {
				System.out.print(".");
				statustime = Sys.getTime();
			}
		}
		System.out.println("thank you");
	}
  
	private void render() {
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

    GL11.glBegin(GL11.GL_POLYGON);
    {
      float color = 1.0f;
      int buttonDown = 0;
      
      for(int i=0;i<Mouse.getButtonCount(); i++) {
        if(Mouse.isButtonDown(i)) {
          color = (1.0f / Mouse.getButtonCount()) * (i+1); 
          break; 
        }
      }
      GL11.glColor3f(color, color, color);
      
      GL11.glVertex2f(position.x + 0.0f, position.y + 0.0f);
      GL11.glVertex2f(position.x + 0.0f, position.y + 30.0f);
      GL11.glVertex2f(position.x + 40.0f, position.y + 30.0f);
      GL11.glVertex2f(position.x + 60.0f, position.y + 15.f);
      GL11.glVertex2f(position.x + 40.0f, position.y + 0.0f);
    }
    GL11.glEnd();
	}

	/**
	 * @param args the command line arguments
	 */
	public static void main(String[] args) {
		MouseCreationTest mt = new MouseCreationTest();
		mt.executeTest();
		System.exit(0);
	}
}