/*
 *		This Code Was Created By Jeff Molofee 2000
 *		A HUGE Thanks To Fredric Echols For Cleaning Up
 *		And Optimizing This Code, Making It More Flexible!
 *		If You've Found This Code Useful, Please Let Me Know.
 *		Visit My Site At nehe.gamedev.net
 */

#include <windows.h>		// Header File For Windows
#include <gl\gl.h>			// Header File For The OpenGL32 Library
#include <gl\glu.h>			// Header File For The GLu32 Library
#include <gl\glaux.h>		// Header File For The Glaux Library
#include <stdio.h>
#include <string>
#include <math.h>
#include <stdlib.h>

#include <time.h>

#define FlNum 3

#pragma comment(lib, "opengl32.lib")
#pragma comment(lib, "glu32.lib")
#pragma comment(lib, "glaux.lib")



HDC			hDC=NULL;		// Private GDI Device Context
HGLRC		hRC=NULL;		// Permanent Rendering Context
HWND		hWnd=NULL;		// Holds Our Window Handle
HINSTANCE	hInstance;		// Holds The Instance Of The Application

bool	    keys[256];			// Array Used For The Keyboard Routine
bool	    active=TRUE;		// Window Active Flag Set To TRUE By Default
bool	    fullscreen=TRUE;	// Fullscreen Flag Set To Fullscreen Mode By Default
bool        r = TRUE;
bool        dbjump = FALSE;
bool        down = FALSE;
bool        mousecl = FALSE;
bool        Bmenu = TRUE;
bool	    done=FALSE;
bool        Be = FALSE;
bool        b = FALSE;
bool        b2 = FALSE;

GLfloat     xPlace;
GLfloat     yPlace = 3.0f;
GLfloat     xPlace2;
GLfloat     yPlace2;
GLfloat     ySpeed;
GLuint      nFace;
GLuint      texture[7];
GLuint      nChoosen;
LRESULT	CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);	// Declaration For WndProc


GLfloat xPos;

GLfloat yPos;

//classes
#include "wall.h"

void move_to_point(float &x1, float &y1, float &x2, float &y2, float speed)
{
         y1+=sin(atan2(y2-y1, x2-x1))*speed;
         x1+=cos(atan2(y2-y1, x2-x1))*speed;

}
       // declaration of a new array
wall f[] = {wall(0.0f, 4.0f, -1.0f, 0.5f), wall(4.0f, 6.0f, -1.0f, 3.5f), wall(-6.0f, 6.0f, -5.0f, -2.0f), wall(-6.0f, -1.0f, 2.0f, 4.0f)};        // access to an element of the array.

bool FlCheck(float xP, float xP2, float yP, float yP2)
{
    for(int i=0; i<=FlNum; i+=1)
    {
        if(f[i].Fcheck(xP, xP2, yP, yP2))
            return TRUE;
    }
    return FALSE;
}
clock_t brakeS = -1;
#include "enemy.h"
#include "shoot.h"

shoot sh[256];
enemy e[] = {enemy(0.0f, 2.0f)};
void Pmove(float &xP, float &yP, float &yS)
{
    if(mousecl)
    {
		for(int i=0; i<256; i+=1)
		{
			if(!sh[i].isset() && sh[i].timeCS())
			{
				sh[i].set((xP+xPlace2)/2, (yP+yPlace2)/2);
				break;
			}
		}
    }
    mousecl = FALSE;
    if(FlCheck(xPlace, xPlace2, yPlace+yS, yPlace2+yS) && yS < 0)
        while(!FlCheck(xPlace, xPlace2, yPlace-0.001f, yPlace2-0.001f))
        {
                yPlace -= 0.001f;
                yPlace2 -= 0.001f;
        }
    else if(FlCheck(xPlace, xPlace2, yPlace+yS, yPlace2+yS) && yS >= 0)
        while(!FlCheck(xPlace, xPlace2, yPlace+0.001f, yPlace2+0.001f))
        {
                yPlace += 0.001f;
                yPlace2 += 0.001f;
                yS = 0;
        }
    if(FlCheck(xPlace, xPlace2, yPlace-0.001f, yPlace2-0.001f))
    {
        yS = 0.0f;
        dbjump = TRUE;
        if(keys[VK_UP] && r)
        {
            yS = 0.075f;
            r = false;
        }
        nFace = 0;
    }
    else
    {
                nFace = 1;
                yS -= 0.0025f;
                if(keys[VK_UP] && r && dbjump)
                {
                    yS = 0.1f;
                    r = false;
                    dbjump = false;
                }
    }
    if(!keys[VK_UP])
        r = TRUE;
    if(yS != 0)
        if(!FlCheck(xPlace, xPlace2, yPlace+yS, yPlace2+yS))
            yPlace += yS;

    if(keys[VK_RIGHT] )
    {
        if (!FlCheck(xPlace+0.05f, xPlace2+0.05f, yPlace, yPlace2))
        {
            xPlace += 0.05f;
        }
        else
        {
            while(!FlCheck(xPlace+0.001f, xPlace2+0.001f, yPlace, yPlace2))
            {
                xPlace += 0.001f;
                xPlace2 += 0.001f;
            }
        }
        if(nFace != 1)
            nFace = 2;
    }
    else if(keys[VK_LEFT] )
    {
        if (!FlCheck(xPlace-0.05f, xPlace2-0.05f, yPlace, yPlace2))
            xPlace -= 0.05f;
        else
        {
            while(!FlCheck(xPlace-0.001f, xPlace2-0.001f, yPlace, yPlace2))
            {
                xPlace -= 0.001f;
                xPlace2 -= 0.001f;
            }
        }
        if(nFace != 1)
            nFace = 3;
    }
    if(keys[VK_DOWN])
        down = TRUE;
    else if(!FlCheck(xPlace, xPlace2, yPlace, yPlace+2.0f))
        down = FALSE;
}

AUX_RGBImageRec *LoadBMP(char *Filename)				// Loads A Bitmap Image
{
	FILE *File=NULL;									// File Handle

	if (!Filename)										// Make Sure A Filename Was Given
	{
		return NULL;									// If Not Return NULL
	}

	File=fopen(Filename,"r");							// Check To See If The File Exists

	if (File)											// Does The File Exist?
	{
		fclose(File);									// Close The Handle
		return auxDIBImageLoad(Filename);				// Load The Bitmap And Return A Pointer
	}

	return NULL;										// If Load Failed Return NULL
}

int LoadGLTextures(std::string fName, int fNum)									// Load Bitmaps And Convert To Textures
{
	int Status=FALSE;									// Status Indicator

	AUX_RGBImageRec *TextureImage[7];					// Create Storage Space For The Texture

	memset(TextureImage,0,sizeof(void *)*1);           	// Set The Pointer To NULL

	// Load The Bitmap, Check For Errors, If Bitmap's Not Found Quit
	if (TextureImage[fNum]=LoadBMP((char*)fName.c_str()))
	{
		        Status=TRUE;									// Set The Status To TRUE

                glGenTextures(1, &texture[fNum]);                                  // Create The Texture

                // Typical Texture Generation Using Data From The Bitmap
                glBindTexture(GL_TEXTURE_2D, texture[fNum]);
                glTexImage2D(GL_TEXTURE_2D, 0, 4, TextureImage[fNum]->sizeX, TextureImage[fNum]->sizeY, 1, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[fNum]->data);
                glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
    }

	if (TextureImage[fNum])									// If Texture Exists
	{
		if (TextureImage[fNum]->data)							// If Texture Image Exists
		{
			free(TextureImage[fNum]->data);					// Free The Texture Image Memory
		}

		free(TextureImage[fNum]);								// Free The Image Structure
	}

	return Status;										// Return The Status
}

GLvoid ReSizeGLScene(GLsizei width, GLsizei height)		// Resize And Initialize The GL Window
{
	if (height==0)										// Prevent A Divide By Zero By
	{
		height=1;										// Making Height Equal One
	}
	glViewport(0,0, width,height);						// Reset The Current Viewport

	glMatrixMode(GL_PROJECTION);						// Select The Projection Matrix
	glLoadIdentity();									// Reset The Projection Matrix

	// Calculate The Aspect Ratio Of The Window
	gluPerspective(45.0f,(GLfloat)width/(GLfloat)height,0.1f,100.0f);

	glMatrixMode(GL_MODELVIEW);							// Select The Modelview Matrix
	glLoadIdentity();
    									// Reset The Modelview Matrix
}

int InitGL(GLvoid)										// All Setup For OpenGL Goes Here
{
    if(!LoadGLTextures(std::string("texture/Face0.bmp"), 0))
	   return FALSE;
	if(!LoadGLTextures(std::string("texture/Face1.bmp"), 1))
	   return FALSE;
	if(!LoadGLTextures(std::string("texture/Face2.bmp"), 2))
	   return FALSE;
	if(!LoadGLTextures(std::string("texture/Face3.bmp"), 3))
	   return FALSE;
	if(!LoadGLTextures(std::string("texture/menu1.bmp"), 4))
	   return FALSE;
	if(!LoadGLTextures(std::string("texture/menu2.bmp"), 5))
	   return FALSE;
	if(!LoadGLTextures(std::string("texture/menu3.bmp"), 6))
	   return FALSE;
    glEnable(GL_TEXTURE_2D);
								// Enable Smooth Shading
 				// Black Background

	glClearDepth(1.0f);									// Depth Buffer Setup
							// Enables Depth Testing
									// The Type Of Depth Testing To Do
		// Really Nice Perspective Calculations

	return TRUE;										// Initialization Went OK
}

int DrawGLScene(GLvoid)									// Here's Where We Do All The Drawing
{

	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	// Clear Screen And Depth Buffer
		// Reset The Current Modelview Matrix

	glLoadIdentity();
    f[0].Fpaint();
    glLoadIdentity();
    f[1].Fpaint();
    glLoadIdentity();
    f[2].Fpaint();
    glLoadIdentity();
    f[3].Fpaint();
    glLoadIdentity();
    e[0].Epaint();

    for(int i=0; i<256; i+=1)
	{
			if(sh[i].isset())
			{
				glLoadIdentity();
				sh[i].Fpaint();
			}
	}
    glLoadIdentity();
    yPlace2 = yPlace+2.0f;
    xPlace2 = xPlace+2.0f;
    if(down)
        yPlace2 = yPlace+0.8f;
	glTranslatef(0.0f, 0.0f, -13.0f);
	glBindTexture(GL_TEXTURE_2D, texture[nFace]); //use texture 0
	glColor3f(1.0f,1.0f,1.0f); // color white
    glBegin(GL_POLYGON); //create polygon
    glTexCoord2f(0.0f, 0.0f);glVertex3f( xPlace,yPlace, 0.0f);  //down left
    glTexCoord2f(0.0f,  1.0f);glVertex3f( xPlace, yPlace2, 0.0f);       //up  left
    glTexCoord2f(1.0f, 1.0f);glVertex3f( xPlace2, yPlace2, 0.0f);           //up right
    glTexCoord2f(1.0f, 0.0f);glVertex3f( xPlace2, yPlace, 0.0f);       //down right
    glEnd();


    glLoadIdentity();
    glTranslatef(0.0f, 0.0f, -13.0f);
    glColor3f(1.0f,0.0f,0.0f);
    glBegin(GL_POLYGON); //create polygon
    glVertex3f( xPos-0.5f, yPos-0.5f, 0.0f);  //down left
    glVertex3f( xPos-0.5f, yPos+0.5f, 0.0f);       //up  left
    glVertex3f( xPos+0.5f, yPos+0.5f, 0.0f);           //up right
    glVertex3f( xPos+0.5f, yPos-0.5f, 0.0f);       //down right
    glEnd();
    Pmove(xPlace, yPlace, ySpeed);

	return TRUE;										// Everything Went OK
}
int DrawMenuScene()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
    glTranslatef(0.0f, 0.0f, -13.0f);
    if(nChoosen == 0)
        glColor3f(1.0f,0.0f,0.0f);
    else
        glColor3f(0.0f,0.0f,1.0f);
	glBindTexture(GL_TEXTURE_2D, texture[4]);
    glBegin(GL_POLYGON); //create polygon
    glTexCoord2f(0.0f, 0.0f);glVertex3f( -3.5, 1.0, 0.0f);  //down left
    glTexCoord2f(0.0f, 1.0f);glVertex3f( -3.5, +3.0, 0.0f);       //up  left
    glTexCoord2f(1.0f, 1.0f);glVertex3f( +3.5, +3.0, 0.0f);           //up right
    glTexCoord2f(1.0f, 0.0f);glVertex3f( +3.5, 1.0, 0.0f);       //down right
    glEnd();
    if(nChoosen == 1)
        glColor3f(1.0f,0.0f,0.0f);
    else
        glColor3f(0.0f,0.0f,1.0f);
	glBindTexture(GL_TEXTURE_2D, texture[5]);
    glBegin(GL_POLYGON); //create polygon
    glTexCoord2f(0.0f, 0.0f);glVertex3f( -3.5, -1.5, 0.0f);  //down left
    glTexCoord2f(0.0f, 1.0f);glVertex3f( -3.5, +0.5, 0.0f);       //up  left
    glTexCoord2f(1.0f, 1.0f);glVertex3f( +3.5, +0.5, 0.0f);           //up right
    glTexCoord2f(1.0f, 0.0f);glVertex3f( +3.5, -1.5, 0.0f);       //down right
    glEnd();
    if(nChoosen == 2)
        glColor3f(1.0f,0.0f,0.0f);
    else
        glColor3f(0.0f,0.0f,1.0f);
	glBindTexture(GL_TEXTURE_2D, texture[6]);
    glBegin(GL_POLYGON); //create polygon
    glTexCoord2f(0.0f, 0.0f);glVertex3f( -3.5, -4.0, 0.0f);  //down left
    glTexCoord2f(0.0f, 1.0f);glVertex3f( -3.5, -2.0, 0.0f);       //up  left
    glTexCoord2f(1.0f, 1.0f);glVertex3f( +3.5, -2.0, 0.0f);           //up right
    glTexCoord2f(1.0f, 0.0f);glVertex3f( +3.5, -4.0, 0.0f);       //down right
    glEnd();

    if(keys[VK_DOWN] && nChoosen+1 < 3 && b)
    {
        nChoosen += 1;
        b = FALSE;
    }
    if(!keys[VK_DOWN])
    {
        b = TRUE;
    }
    if(keys[VK_UP] && (nChoosen > 0) && b2)
    {
        nChoosen -= 1;
        b2 = FALSE;
    }
    if(!keys[VK_UP])
        b2 = TRUE;
    if(keys[10] || keys[13] && nChoosen==0)
    {
        Bmenu = FALSE;
        glClearColor(0.0f, 0.5f, 1.0f, 1.0f);
    }
    else if(keys[10] || keys[13] && nChoosen==1)
    {
        Bmenu = FALSE;
        xPlace = 0.0f;
        yPlace = 3.0f;
        glClearColor(0.0f, 0.5f, 1.0f, 1.0f);
    }
    else if(keys[10] || keys[13] && nChoosen==2)
    {
        done=TRUE;
    }
    return TRUE;
}
GLvoid KillGLWindow(GLvoid)								// Properly Kill The Window
{

	if (fullscreen)										// Are We In Fullscreen Mode?
	{
		ChangeDisplaySettings(NULL,0);					// If So Switch Back To The Desktop
		ShowCursor(TRUE);								// Show Mouse Pointer
	}

	if (hRC)											// Do We Have A Rendering Context?
	{
		if (!wglMakeCurrent(NULL,NULL))					// Are We Able To Release The DC And RC Contexts?
		{
			MessageBox(NULL,"Release Of DC And RC Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
		}

		if (!wglDeleteContext(hRC))						// Are We Able To Delete The RC?
		{
			MessageBox(NULL,"Release Rendering Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
		}
		hRC=NULL;										// Set RC To NULL
	}

	if (hDC && !ReleaseDC(hWnd,hDC))					// Are We Able To Release The DC
	{
		MessageBox(NULL,"Release Device Context Failed.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
		hDC=NULL;										// Set DC To NULL
	}

	if (hWnd && !DestroyWindow(hWnd))					// Are We Able To Destroy The Window?
	{
		MessageBox(NULL,"Could Not Release hWnd.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
		hWnd=NULL;										// Set hWnd To NULL
	}

	if (!UnregisterClass("OpenGL",hInstance))			// Are We Able To Unregister Class
	{
		MessageBox(NULL,"Could Not Unregister Class.","SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
		hInstance=NULL;									// Set hInstance To NULL
	}
}

/*	This Code Creates Our OpenGL Window.  Parameters Are:					*
 *	title			- Title To Appear At The Top Of The Window				*
 *	width			- Width Of The GL Window Or Fullscreen Mode				*
 *	height			- Height Of The GL Window Or Fullscreen Mode			*
 *	bits			- Number Of Bits To Use For Color (8/16/24/32)			*
 *	fullscreenflag	- Use Fullscreen Mode (TRUE) Or Windowed Mode (FALSE)	*/


BOOL CreateGLWindow(char* title, int width, int height, int bits, bool fullscreenflag)
{

	GLuint		PixelFormat;			// Holds The Results After Searching For A Match
	WNDCLASS	wc;						// Windows Class Structure
	DWORD		dwExStyle;				// Window Extended Style
	DWORD		dwStyle;				// Window Style
	RECT		WindowRect;				// Grabs Rectangle Upper Left / Lower Right Values
	WindowRect.left=(long)0;			// Set Left Value To 0
	WindowRect.right=(long)width;		// Set Right Value To Requested Width
	WindowRect.top=(long)0;				// Set Top Value To 0
	WindowRect.bottom=(long)height;		// Set Bottom Value To Requested Height



	fullscreen=fullscreenflag;			// Set The Global Fullscreen Flag

	hInstance			= GetModuleHandle(NULL);				// Grab An Instance For Our Window
	wc.style			= CS_HREDRAW | CS_VREDRAW | CS_OWNDC;	// Redraw On Size, And Own DC For Window.
	wc.lpfnWndProc		= (WNDPROC) WndProc;					// WndProc Handles Messages
	wc.cbClsExtra		= 0;									// No Extra Window Data
	wc.cbWndExtra		= 0;									// No Extra Window Data
	wc.hInstance		= hInstance;							// Set The Instance
	wc.hIcon			= LoadIcon(NULL, IDI_WINLOGO);			// Load The Default Icon
	wc.hCursor			= LoadCursor(NULL, IDC_ARROW);			// Load The Arrow Pointer
	wc.hbrBackground	= NULL;									// No Background Required For GL
	wc.lpszMenuName		= NULL;									// We Don't Want A Menu
	wc.lpszClassName	= "OpenGL";								// Set The Class Name

	if (!RegisterClass(&wc))									// Attempt To Register The Window Class
	{
		MessageBox(NULL,"Failed To Register The Window Class.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;											// Return FALSE
	}

	if (fullscreen)												// Attempt Fullscreen Mode?
	{
		DEVMODE dmScreenSettings;								// Device Mode
		memset(&dmScreenSettings,0,sizeof(dmScreenSettings));	// Makes Sure Memory's Cleared
		dmScreenSettings.dmSize=sizeof(dmScreenSettings);		// Size Of The Devmode Structure
		dmScreenSettings.dmPelsWidth	= width;				// Selected Screen Width
		dmScreenSettings.dmPelsHeight	= height;				// Selected Screen Height
		dmScreenSettings.dmBitsPerPel	= bits;					// Selected Bits Per Pixel
		dmScreenSettings.dmFields=DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT;

		// Try To Set Selected Mode And Get Results.  NOTE: CDS_FULLSCREEN Gets Rid Of Start Bar.
		if (ChangeDisplaySettings(&dmScreenSettings,CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL)
		{
			// If The Mode Fails, Offer Two Options.  Quit Or Use Windowed Mode.
			if (MessageBox(NULL,"The Requested Fullscreen Mode Is Not Supported By\nYour Video Card. Use Windowed Mode Instead?","NeHe GL",MB_YESNO|MB_ICONEXCLAMATION)==IDYES)
			{
				fullscreen=FALSE;		// Windowed Mode Selected.  Fullscreen = FALSE
			}
			else
			{
				// Pop Up A Message Box Letting User Know The Program Is Closing.
				MessageBox(NULL,"Program Will Now Close.","ERROR",MB_OK|MB_ICONSTOP);
				return FALSE;									// Return FALSE
			}
		}
	}

	if (fullscreen)												// Are We Still In Fullscreen Mode?
	{
		dwExStyle=WS_EX_APPWINDOW;								// Window Extended Style
		dwStyle=WS_POPUP;										// Windows Style
		ShowCursor(FALSE);										// Hide Mouse Pointer
	}
	else
	{
		dwExStyle=WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;			// Window Extended Style
		dwStyle=WS_OVERLAPPEDWINDOW;							// Windows Style
	}

	AdjustWindowRectEx(&WindowRect, dwStyle, FALSE, dwExStyle);		// Adjust Window To True Requested Size

	// Create The Window
	if (!(hWnd=CreateWindowEx(	dwExStyle,							// Extended Style For The Window
								"OpenGL",							// Class Name
								title,								// Window Title
								dwStyle |							// Defined Window Style
								WS_CLIPSIBLINGS |					// Required Window Style
								WS_CLIPCHILDREN,					// Required Window Style
								0, 0,								// Window Position
								WindowRect.right-WindowRect.left,	// Calculate Window Width
								WindowRect.bottom-WindowRect.top,	// Calculate Window Height
								NULL,								// No Parent Window
								NULL,								// No Menu
								hInstance,							// Instance
								NULL)))								// Dont Pass Anything To WM_CREATE
	{
		KillGLWindow();								// Reset The Display
		MessageBox(NULL,"Window Creation Error.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;								// Return FALSE
	}

	static	PIXELFORMATDESCRIPTOR pfd=				// pfd Tells Windows How We Want Things To Be
	{
		sizeof(PIXELFORMATDESCRIPTOR),				// Size Of This Pixel Format Descriptor
		1,											// Version Number
		PFD_DRAW_TO_WINDOW |						// Format Must Support Window
		PFD_SUPPORT_OPENGL |						// Format Must Support OpenGL
		PFD_DOUBLEBUFFER,							// Must Support Double Buffering
		PFD_TYPE_RGBA,								// Request An RGBA Format
		bits,										// Select Our Color Depth
		0, 0, 0, 0, 0, 0,							// Color Bits Ignored
		0,											// No Alpha Buffer
		0,											// Shift Bit Ignored
		0,											// No Accumulation Buffer
		0, 0, 0, 0,									// Accumulation Bits Ignored
		16,											// 16Bit Z-Buffer (Depth Buffer)
		0,											// No Stencil Buffer
		0,											// No Auxiliary Buffer
		PFD_MAIN_PLANE,								// Main Drawing Layer
		0,											// Reserved
		0, 0, 0										// Layer Masks Ignored
	};

	if (!(hDC=GetDC(hWnd)))							// Did We Get A Device Context?
	{
		KillGLWindow();								// Reset The Display
		MessageBox(NULL,"Can't Create A GL Device Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;								// Return FALSE
	}

	if (!(PixelFormat=ChoosePixelFormat(hDC,&pfd)))	// Did Windows Find A Matching Pixel Format?
	{
		KillGLWindow();								// Reset The Display
		MessageBox(NULL,"Can't Find A Suitable PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;								// Return FALSE
	}

	if(!SetPixelFormat(hDC,PixelFormat,&pfd))		// Are We Able To Set The Pixel Format?
	{
		KillGLWindow();								// Reset The Display
		MessageBox(NULL,"Can't Set The PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;								// Return FALSE
	}

	if (!(hRC=wglCreateContext(hDC)))				// Are We Able To Get A Rendering Context?
	{
		KillGLWindow();								// Reset The Display
		MessageBox(NULL,"Can't Create A GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;								// Return FALSE
	}

	if(!wglMakeCurrent(hDC,hRC))					// Try To Activate The Rendering Context
	{
		KillGLWindow();								// Reset The Display
		MessageBox(NULL,"Can't Activate The GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;								// Return FALSE
	}

	ShowWindow(hWnd,SW_SHOW);						// Show The Window
	SetForegroundWindow(hWnd);						// Slightly Higher Priority
	SetFocus(hWnd);									// Sets Keyboard Focus To The Window
	ReSizeGLScene(width, height);					// Set Up Our Perspective GL Screen

	if (!InitGL())									// Initialize Our Newly Created GL Window
	{
		KillGLWindow();								// Reset The Display
		MessageBox(NULL,"Initialization Failed.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return FALSE;								// Return FALSE
	}

	return TRUE;									// Success
}

LRESULT CALLBACK WndProc(	HWND	hWnd,			// Handle For This Window
							UINT	uMsg,			// Message For This Window
							WPARAM	wParam,			// Additional Message Information
							LPARAM	lParam)			// Additional Message Information
{
	switch (uMsg)									// Check For Windows Messages
	{
		case WM_ACTIVATE:							// Watch For Window Activate Message
		{
			if (!HIWORD(wParam))					// Check Minimization State
			{
				active=TRUE;						// Program Is Active
			}
			else
			{
				active=FALSE;						// Program Is No Longer Active
			}

			return 0;								// Return To The Message Loop
		}
		case WM_SYSCOMMAND:							// Intercept System Commands
		{
			switch (wParam)							// Check System Calls
			{
				case SC_SCREENSAVE:					// Screensaver Trying To Start?
				case SC_MONITORPOWER:				// Monitor Trying To Enter Powersave?
				return 0;							// Prevent From Happening
			}
			break;									// Exit
		}
        case WM_MOUSEMOVE:
        {
            xPos = LOWORD(lParam);
            yPos = HIWORD(lParam);
            xPos = xPos/(640.0f/13.0f)-6.5f;
            yPos = -yPos/(480.0f/13.0f) +6.5f;
        }
        case WM_LBUTTONDOWN:
        {
                if(wParam == MK_LBUTTON)
                     mousecl = TRUE;
                else
                    mousecl = FALSE;
                 break;

        }

		case WM_CLOSE:								// Did We Receive A Close Message?
		{
			PostQuitMessage(0);						// Send A Quit Message
			return 0;								// Jump Back
		}

		case WM_KEYDOWN:							// Is A Key Being Held Down?
		{
			keys[wParam] = TRUE;					// If So, Mark It As TRUE
			return 0;								// Jump Back
		}

		case WM_KEYUP:								// Has A Key Been Released?
		{
			keys[wParam] = FALSE;					// If So, Mark It As FALSE
			return 0;								// Jump Back
		}

		case WM_SIZE:								// Resize The OpenGL Window
		{
			ReSizeGLScene(LOWORD(lParam),HIWORD(lParam));  // LoWord=Width, HiWord=Height
			return 0;								// Jump Back
		}
	}

	// Pass All Unhandled Messages To DefWindowProc
	return DefWindowProc(hWnd,uMsg,wParam,lParam);
}

int WINAPI WinMain(	HINSTANCE	hInstance,			// Instance
					HINSTANCE	hPrevInstance,		// Previous Instance
					LPSTR		lpCmdLine,			// Command Line Parameters
					int			nCmdShow)			// Window Show State
{

	MSG		msg;									// Windows Message Structure
								// Bool Variable To Exit Loop

	// Ask The User Which Screen Mode They Prefer

   fullscreen=TRUE;							// Windowed Mode


	// Create Our OpenGL Window
	if (!CreateGLWindow("Game",640,480,16,fullscreen))
	{
		return 0;								// Quit If Window Was Not Created
	}

	while(!done)									// Loop That Runs While done=FALSE
	{
		if (PeekMessage(&msg,NULL,0,0,PM_REMOVE))	// Is There A Message Waiting?
		{
			if (msg.message==WM_QUIT)				// Have We Received A Quit Message?
			{
				done=TRUE;							// If So done=TRUE
			}
			else									// If Not, Deal With Window Messages
			{
				TranslateMessage(&msg);				// Translate The Message
				DispatchMessage(&msg);				// Dispatch The Message
			}
		}
		else										// If There Are No Messages
		{
			// Draw The Scene.  Watch For ESC Key And Quit Messages From DrawGLScene()
			if (active)								// Program Active?
			{
				ShowCursor(FALSE);
				if (keys[VK_ESCAPE] && Bmenu == TRUE && Be)				// Was ESC Pressed?
				{
					done=TRUE;						// ESC Signalled A Quit
				}
				else if(keys[VK_ESCAPE] && Bmenu == FALSE && Be)
				{
				    Bmenu = TRUE;
				    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
				    Be = FALSE;
				}
				else								// Not Time To Quit, Update Screen
				{
				    if(!keys[VK_ESCAPE])
                        Be = TRUE;
				    if(Bmenu == FALSE)
                        DrawGLScene();
                    else
                        DrawMenuScene();// Draw The Scene
					SwapBuffers(hDC);				// Swap Buffers (Double Buffering)
				}
			}

			if (keys[VK_F1])						// Is F1 Being Pressed?
			{
				keys[VK_F1]=FALSE;					// If So Make Key FALSE
				KillGLWindow();						// Kill Our Current Window
				fullscreen=!fullscreen;				// Toggle Fullscreen / Windowed Mode
				// Recreate Our OpenGL Window
				if (!CreateGLWindow("Game",640,480,16,fullscreen))
				{
					return 0;						// Quit If Window Was Not Created
				}
			}
		}
	}

	// Shutdown
	KillGLWindow();									// Kill The Window
	return (msg.wParam);							// Exit The Program
}