Keskustelu: Ohjelmointikysymykset: C++: Omituisia erroreita

int InitGL(GLvoid) // All Setup For OpenGL Goes Here
{
	if (!LoadGLTextures())								// Jump To Texture Loading Routine
	{
		return FALSE;									// If Texture Didn't Load Return FALSE
	}

	glEnable(GL_TEXTURE_2D);							// Enable Texture Mapping
	glBlendFunc(GL_SRC_ALPHA,GL_ONE);					// Set The Blending Function For Translucency
	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);				// This Will Clear The Background Color To Black
	glClearDepth(1.0);									// Enables Clearing Of The Depth Buffer
	glDepthFunc(GL_LESS);								// The Type Of Depth Test To Do
	glEnable(GL_DEPTH_TEST);							// Enables Depth Testing
	glShadeModel(GL_SMOOTH);							// Enables Smooth Color Shading
	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);	// Really Nice Perspective Calculations

	SetupWorld();

	return TRUE;										// Initialization Went OK
}

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
	}
}

return auxDIBImageLoadA(Filename);       // Tässä on ainoastaan yksi 50 errori rivistä.


//Tässä vielä funktio jossa kyseinen koodi on:
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 auxDIBImageLoadA(Filename);       // Load The Bitmap And Return A Pointer
        }
        return NULL;                                    // If Load Failed Return NULL
}

if (TextureImage[0]=LoadBMP("Data/tekstuuri.bmp"))


//Ja tässä vielä funktio jossa tuo on:

int LoadGLTextures()                                    // Load Bitmaps And Convert To Textures
{
        int Status=FALSE;                               // Status Indicator

        AUX_RGBImageRec *TextureImage[1];               // 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[0]=LoadBMP("Data/Mud.bmp"))
        {
                Status=TRUE;                            // Set The Status To TRUE

                glGenTextures(3, &texture[0]);          // Create Three Textures

				// Create Nearest Filtered Texture
				glBindTexture(GL_TEXTURE_2D, texture[0]);
				glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
				glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
				glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[0]->sizeX, TextureImage[0]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);

                // Create Linear Filtered Texture
                glBindTexture(GL_TEXTURE_2D, texture[1]);
                glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
                glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
                glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[0]->sizeX, TextureImage[0]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);

				// Create MipMapped Texture
				glBindTexture(GL_TEXTURE_2D, texture[2]);
				glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
				glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
				gluBuild2DMipmaps(GL_TEXTURE_2D, 3, TextureImage[0]->sizeX, TextureImage[0]->sizeY, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);
        }
        if (TextureImage[0])                            // If Texture Exists
        {
                if (TextureImage[0]->data)              // If Texture Image Exists
                {
                        free(TextureImage[0]->data);    // Free The Texture Image Memory
                }

                free(TextureImage[0]);                  // Free The Image Structure
        }

        return Status;                                  // Return The Status
}