/* general OpenGL initialization function */
int initGL()
{
//warning: this must be done BEFORE anything important
//or else it will override it
font.Load();
/* Enable Texture Mapping ( NEW ) */
glEnable( GL_TEXTURE_2D );
/* Enable smooth shading */
glShadeModel( GL_SMOOTH );
/* Set the background black */
//glClearColor( 0.46f, 0.54f, 0.64f, 0.0f );
glClearColor(0,0,0,0);
/* Depth buffer setup */
glClearDepth( 1.0f );
/* Enables Depth Testing */
glEnable( GL_DEPTH_TEST );
/* The Type Of Depth Test To Do */
glDepthFunc( GL_LEQUAL );
/* Really Nice Perspective Calculations */
glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );
/* Position The Light */
glLightfv( GL_LIGHT1, GL_POSITION, LightPosition );
/* Setup The Diffuse Light */
glLightfv( GL_LIGHT1, GL_DIFFUSE, LightDiffuse );
glLightfv( GL_LIGHT1, GL_SPECULAR, LightSpecular );
/* Setup The Ambient Light */
glLightfv( GL_LIGHT1, GL_AMBIENT, LightAmbient );
/* Enable Light One */
glEnable( GL_LIGHT1 );
/* Enable Lighting */
glEnable( GL_LIGHTING );
//our perspective matrix
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
gluPerspective( 45.0f, (float)SCREEN_WIDTH/SCREEN_HEIGHT, 0.1f, 10000.0f );
glMatrixMode( GL_MODELVIEW );
// Enable front face culling, since that's what Quake3 does
//glCullFace(GL_FRONT);
//glEnable(GL_CULL_FACE);
if (!InitGameData())
return (FALSE);
return( TRUE );
}
void ChangeDisplay(int w, int h, int bpp, bool fullscreen, bool reloadtextures)
{
SCREEN_WIDTH = w;
SCREEN_HEIGHT = h;
SCREEN_BPP = bpp;
/* the flags to pass to SDL_SetVideoMode */
int videoFlags = SDL_OPENGL; /* Enable OpenGL in SDL */
videoFlags |= SDL_GL_DOUBLEBUFFER; /* Enable double buffering */
videoFlags |= SDL_HWPALETTE; /* Store the palette in hardware */
videoFlags |= SDL_RESIZABLE; /* Enable window resizing */
/* This checks to see if surfaces can be stored in memory */
/*if ( videoInfo->hw_available )
videoFlags |= SDL_HWSURFACE;
else
videoFlags |= SDL_SWSURFACE;
if ( videoInfo->blit_hw )
videoFlags |= SDL_HWACCEL;*/
if (fullscreen)
{
videoFlags |= SDL_HWSURFACE|SDL_ANYFORMAT|SDL_FULLSCREEN;
}
else
{
videoFlags |= SDL_SWSURFACE|SDL_ANYFORMAT;
}
/* get a SDL surface */
if (surface != NULL)
{
SDL_FreeSurface(surface);
surface = NULL;
}
surface = SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,
videoFlags );
resizeWindow( SCREEN_WIDTH, SCREEN_HEIGHT );
//if (fullscreen)
/*
ofstream vconf;
vconf.open((settings.GetSettingsDir() + "/videoconfig").c_str());
vconf << w << " ";
vconf << h << " ";
vconf << bpp << " ";
vconf << fullscreen << " ";
vconf.close();
*/
settings.SetDisplayX(w);
settings.SetDisplayY(h);
settings.SetDisplayDepth(bpp);
settings.SetFullscreenEnabled(fullscreen);
if (reloadtextures)
{
font.Load();
}
}