using System;using Collections = System.Collections;using Drawing = System.Drawing;using IO = System.IO;using Tao.Glfw;using Tao.OpenGl;using Quake = id.Quake;namespace Testbed{	public class Application	{				private const int AnimationSpeed = 4;				private static int FPS = 0;				private static int Frame = 0;					private static Quake.MDL.Model Model = null;				private static Quake.Palette Palette = null;				private static Quake.MDL.Vector Position = new Quake.MDL.Vector();				private static Quake.MDL.Vector Rotation = new Quake.MDL.Vector();				private static int Skin = 0;				private static int Tick = 0;				private static Quake.MDL.Vector[] VectorArray = null;				private static void Load()		{			Palette = new Quake.Palette( IO.File.OpenRead( @"gfx\palette.lmp" ), 0 );			Model = new Quake.MDL.Model( IO.File.OpenRead( @"C:\id\Quake\Id1\progs\demon.mdl" ), 0 );			Gl.glBindTexture( Gl.GL_TEXTURE_2D, Skin );			Gl.glGenTextures( 1, out Skin );			Glu.gluBuild2DMipmaps( Gl.GL_TEXTURE_2D, 4, Model.SkinWidth, Model.SkinHeight, Gl.GL_BGRA, Gl.GL_UNSIGNED_BYTE, Model.SkinArray[0].ToTrueColor( Palette ) );			return;		}				private static void PollInput()		{			Glfw.glfwPollEvents();			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_ESC ) == Glfw.GLFW_PRESS )			{				Glfw.glfwCloseWindow();			}			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_F1 ) == Glfw.GLFW_PRESS )			{				Gl.glPolygonMode( Gl.GL_FRONT_AND_BACK, Gl.GL_LINE );			}			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_F2 ) == Glfw.GLFW_PRESS )			{				Gl.glPolygonMode( Gl.GL_FRONT_AND_BACK, Gl.GL_FILL );			}					if( Glfw.glfwGetKey( Glfw.GLFW_KEY_UP ) == Glfw.GLFW_PRESS )			{				Position.Z++;			}			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_DOWN ) == Glfw.GLFW_PRESS )			{				Position.Z--;			}			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_LEFT ) == Glfw.GLFW_PRESS )			{				Position.X++;			}			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_RIGHT ) == Glfw.GLFW_PRESS )			{				Position.X--;			}			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_PAGEUP ) == Glfw.GLFW_PRESS )			{				Position.Y++;			}			if( Glfw.glfwGetKey( Glfw.GLFW_KEY_PAGEDOWN ) == Glfw.GLFW_PRESS )			{				Position.Y--;			}			if( Glfw.glfwGetKey( 'W' ) == Glfw.GLFW_PRESS )			{				Rotation.X++;			}			if( Glfw.glfwGetKey( 'S' ) == Glfw.GLFW_PRESS )			{				Rotation.X--;			}			if( Glfw.glfwGetKey( 'A' ) == Glfw.GLFW_PRESS )			{				Rotation.Y++;			}			if( Glfw.glfwGetKey( 'D' ) == Glfw.GLFW_PRESS )			{				Rotation.Y--;			}			return;		}				private static void Render()		{					Gl.glClear( Gl.GL_COLOR_BUFFER_BIT | Gl.GL_DEPTH_BUFFER_BIT );				Gl.glTranslatef( Position.X, Position.Y, Position.Z );			Gl.glRotatef( Rotation.X * 2.0f, 1.0f, 0.0f, 0.0f );			Gl.glRotatef( Rotation.Y * 2.0f, 0.0f, 1.0f, 0.0f );			Gl.glBegin( Gl.GL_TRIANGLES );			Gl.glBindTexture( Gl.GL_TEXTURE_2D, Skin );			Gl.glColor3f( 1.0f, 1.0f, 1.0f );			for( int i = 0; i < Model.TriangleArray.Length; i++ )			{				for( int j = 0; j < Model.TriangleArray.IndexArray.Length; j++ )				{							if( ( Model.TriangleArray.FrontFace == false ) && ( Model.TextureCoordinateArray[Model.TriangleArray.IndexArray[j]].OnSeam ) )					{						Gl.glTexCoord2f( Model.TextureCoordinateArray[Model.TriangleArray.IndexArray[j]].BackFaceS, Model.TextureCoordinateArray[Model.TriangleArray.IndexArray[j]].T );					}					else					{						Gl.glTexCoord2f( Model.TextureCoordinateArray[Model.TriangleArray.IndexArray[j]].S, Model.TextureCoordinateArray[Model.TriangleArray.IndexArray[j]].T );					}					Gl.glVertex3f( VectorArray[Model.TriangleArray.IndexArray[j]].Y, VectorArray[Model.TriangleArray.IndexArray[j]].Z, -VectorArray[Model.TriangleArray.IndexArray[j]].X );				}			}			Gl.glEnd();			Glfw.glfwSwapBuffers();			FPS++;			return;		}				private static void Setup()		{			Glfw.glfwInit();			if( Glfw.glfwOpenWindow( 640, 480, 8, 8, 8, 8, 24, 0, Glfw.GLFW_WINDOW ) != Gl.GL_TRUE )			{				Glfw.glfwTerminate();				return;			}			Glfw.glfwSetWindowTitle( "OpenGL Testbed" );			Glfw.glfwEnable( Glfw.GLFW_STICKY_KEYS );			Glfw.glfwEnable( Glfw.GLFW_STICKY_MOUSE_BUTTONS );			Gl.glClearColor( 0.0f, 0.0f, 1.0f, 0.0f );      			Gl.glClearDepth( 1.0f );										Gl.glTexParameteri( Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_LINEAR );				Gl.glTexParameteri( Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_LINEAR );				Gl.glEnable( Gl.GL_TEXTURE_2D );			Gl.glEnable( Gl.GL_DEPTH_TEST );									Gl.glDepthFunc( Gl.GL_LEQUAL );				Gl.glEnable( Gl.GL_ALPHA_TEST );									Gl.glAlphaFunc( Gl.GL_GEQUAL, 0.1f );				Gl.glHint( Gl.GL_PERSPECTIVE_CORRECTION_HINT, Gl.GL_NICEST );				Gl.glShadeModel( Gl.GL_SMOOTH );					Gl.glViewport( 0, 0, 640, 480 );			Gl.glMatrixMode( Gl.GL_PROJECTION );    	      		Gl.glLoadIdentity();                	      		Glu.gluPerspective( 80.0, 640.0 / 480.0, 0.1, 1000.0 );	      		Gl.glMatrixMode( Gl.GL_MODELVIEW );   	      		Gl.glLoadIdentity();                 	      		Glu.gluLookAt( 0.0f, 0.0f, -100.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f );      			return;		}				private static void Update()		{			Frame = ( Tick / AnimationSpeed ) % Model.FrameArray.Length;			VectorArray = Model.FrameArray[Frame].Interpolate( Model.FrameArray[(Frame+1)%Model.FrameArray.Length], (float)( Tick % AnimationSpeed ) / AnimationSpeed );			return;		}				[STAThread]		public static void Main( string[] ArgumentArray )		{			int LastTick = 0, Second = 0, LastSecond = 0;			Setup();			Load();			while( Glfw.glfwGetWindowParam( Glfw.GLFW_OPENED ) == Gl.GL_TRUE )			{					Second = (int)Math.Floor( Glfw.glfwGetTime() );								if( Second != LastSecond )				{					Glfw.glfwSetWindowTitle( "OpenGL Testbed - " + ( FPS + 1 ).ToString() + " FPS" );					FPS = 0;					LastSecond = Second;					}					Tick = (int)Math.Floor( Glfw.glfwGetTime() / 0.017 );				if( ( Tick == 0 ) || ( Tick != LastTick ) )				{					PollInput();					Update();					Render();					LastTick = Tick;					}			}			Glfw.glfwTerminate();			return;		}	}	}