Exemplo n.º 1
0
void R_DrawSkyBox (void)
{
#ifdef ENABLE_HYG_STARS
	R_DrawStars(); // jitstarviewer
#else
	int		i;

	if (fogenabled) // jitfog
		qgl.Disable(GL_FOG);

	if (skyrotate)
	{
		// check for no sky at all
		for (i = 0; i < 6; ++i)
		{
			if (skymins[0][i] < skymaxs[0][i] && skymins[1][i] < skymaxs[1][i])
				break;
		}

		if (i == 6)
			return;		// nothing visible
	}

	qgl.PushMatrix();
	qgl.Translatef(r_origin[0], r_origin[1], r_origin[2]);
	qgl.Rotatef(r_newrefdef.time * skyrotate, skyaxis[0], skyaxis[1], skyaxis[2]);

	if (fogenabled && sky_images[0] == r_whitetexture) // jitfog
	{
		qgl.Color3fv(fogcolor);
		GLSTATE_ENABLE_BLEND
		GL_TexEnv(GL_MODULATE);
	}

	for (i = 0; i < 6; ++i)
	{
		if (skyrotate)
		{
			// hack, forces full sky to draw when rotating
			skymins[0][i] = -1;
			skymins[1][i] = -1;
			skymaxs[0][i] = 1;
			skymaxs[1][i] = 1;
		}

		if (skymins[0][i] >= skymaxs[0][i] || skymins[1][i] >= skymaxs[1][i])
			continue;

		GL_Bind(sky_images[skytexorder[i]]->texnum);

		qgl.Begin(GL_QUADS);
		MakeSkyVec(skymins[0][i], skymins[1][i], i);
		MakeSkyVec(skymins[0][i], skymaxs[1][i], i);
		MakeSkyVec(skymaxs[0][i], skymaxs[1][i], i);
		MakeSkyVec(skymaxs[0][i], skymins[1][i], i);
		qgl.End();
	}

	qgl.PopMatrix();

	if (fogenabled) // jitfog
	{
		qgl.Color3f(1, 1, 1);
		GLSTATE_DISABLE_BLEND
		qgl.Enable(GL_FOG);
	}
#endif
}
Exemplo n.º 2
0
static void FillCloudBox( int stage )
{
	int i;

	for ( i = 0; i < 6; i++ )
	{
		int   sky_mins_subd[ 2 ], sky_maxs_subd[ 2 ];
		int   s, t;
		float MIN_T;

		{
			MIN_T = -HALF_SKY_SUBDIVISIONS;

			// still don't want to draw the bottom, even if fullClouds
			if ( i == 5 )
			{
				continue;
			}
		}

		sky_mins[ 0 ][ i ] = floor( sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
		sky_mins[ 1 ][ i ] = floor( sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
		sky_maxs[ 0 ][ i ] = ceil( sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
		sky_maxs[ 1 ][ i ] = ceil( sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;

		if ( ( sky_mins[ 0 ][ i ] >= sky_maxs[ 0 ][ i ] ) || ( sky_mins[ 1 ][ i ] >= sky_maxs[ 1 ][ i ] ) )
		{
			continue;
		}

		sky_mins_subd[ 0 ] = Q_ftol( sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS );
		sky_mins_subd[ 1 ] = Q_ftol( sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS );
		sky_maxs_subd[ 0 ] = Q_ftol( sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS );
		sky_maxs_subd[ 1 ] = Q_ftol( sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS );

		if ( sky_mins_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
		{
			sky_mins_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
		}
		else if ( sky_mins_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_mins_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
		}

		if ( sky_mins_subd[ 1 ] < MIN_T )
		{
			sky_mins_subd[ 1 ] = MIN_T;
		}
		else if ( sky_mins_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_mins_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
		}

		if ( sky_maxs_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
		{
			sky_maxs_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
		}
		else if ( sky_maxs_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_maxs_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
		}

		if ( sky_maxs_subd[ 1 ] < MIN_T )
		{
			sky_maxs_subd[ 1 ] = MIN_T;
		}
		else if ( sky_maxs_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_maxs_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
		}

		// iterate through the subdivisions
		for ( t = sky_mins_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t <= sky_maxs_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t++ )
		{
			for ( s = sky_mins_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s <= sky_maxs_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s++ )
			{
				MakeSkyVec( ( s - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
				            ( t - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS, i, nullptr, s_skyPoints[ t ][ s ] );

				s_skyTexCoords[ t ][ s ][ 0 ] = s_cloudTexCoords[ i ][ t ][ s ][ 0 ];
				s_skyTexCoords[ t ][ s ][ 1 ] = s_cloudTexCoords[ i ][ t ][ s ][ 1 ];
			}
		}

		// only add indexes for first stage
		FillCloudySkySide( sky_mins_subd, sky_maxs_subd, ( bool )( stage == 0 ) );
	}
}
Exemplo n.º 3
0
static void DrawSkyBox()
{
	int i;

	sky_min = 0;
	sky_max = 1;

	Com_Memset( s_skyTexCoords, 0, sizeof( s_skyTexCoords ) );

	// set up for drawing
	tess.multiDrawPrimitives = 0;
	tess.numIndexes = 0;
	tess.numVertexes = 0;
	tess.attribsSet = 0;

	GL_State( GLS_DEFAULT );

	Tess_MapVBOs( false );

	for ( i = 0; i < 6; i++ )
	{
		int sky_mins_subd[ 2 ], sky_maxs_subd[ 2 ];
		int s, t;

		sky_mins[ 0 ][ i ] = floor( sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
		sky_mins[ 1 ][ i ] = floor( sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
		sky_maxs[ 0 ][ i ] = ceil( sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
		sky_maxs[ 1 ][ i ] = ceil( sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;

		if ( ( sky_mins[ 0 ][ i ] >= sky_maxs[ 0 ][ i ] ) || ( sky_mins[ 1 ][ i ] >= sky_maxs[ 1 ][ i ] ) )
		{
			continue;
		}

		sky_mins_subd[ 0 ] = sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS;
		sky_mins_subd[ 1 ] = sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS;
		sky_maxs_subd[ 0 ] = sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS;
		sky_maxs_subd[ 1 ] = sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS;

		if ( sky_mins_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
		{
			sky_mins_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
		}
		else if ( sky_mins_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_mins_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
		}

		if ( sky_mins_subd[ 1 ] < -HALF_SKY_SUBDIVISIONS )
		{
			sky_mins_subd[ 1 ] = -HALF_SKY_SUBDIVISIONS;
		}
		else if ( sky_mins_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_mins_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
		}

		if ( sky_maxs_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
		{
			sky_maxs_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
		}
		else if ( sky_maxs_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_maxs_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
		}

		if ( sky_maxs_subd[ 1 ] < -HALF_SKY_SUBDIVISIONS )
		{
			sky_maxs_subd[ 1 ] = -HALF_SKY_SUBDIVISIONS;
		}
		else if ( sky_maxs_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
		{
			sky_maxs_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
		}

		// iterate through the subdivisions
		for ( t = sky_mins_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t <= sky_maxs_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t++ )
		{
			for ( s = sky_mins_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s <= sky_maxs_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s++ )
			{
				MakeSkyVec( ( s - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
				            ( t - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
				            i, s_skyTexCoords[ t ][ s ], s_skyPoints[ t ][ s ] );
			}
		}

		// only add indexes for first stage
		FillCloudySkySide( sky_mins_subd, sky_maxs_subd, true );
	}
	Tess_UpdateVBOs( );
	GL_VertexAttribsState( tess.attribsSet );

	Tess_DrawElements();
}
Exemplo n.º 4
0
static void FillCloudBox( const shader_t *shader, int stage )
{
    int i;

    for ( i =0; i < 6; i++ )
    {
        int sky_mins_subd[2], sky_maxs_subd[2];
        int s, t;
        float MIN_T;

        if ( 1 ) // FIXME? shader->sky.fullClouds )
        {
            MIN_T = -HALF_SKY_SUBDIVISIONS;

            // still don't want to draw the bottom, even if fullClouds
            if ( i == 5 )
                continue;
        }
        else
        {
            switch( i )
            {
            case 0:
            case 1:
            case 2:
            case 3:
                MIN_T = -1;
                break;
            case 5:
                // don't draw clouds beneath you
                continue;
            case 4:		// top
            default:
                MIN_T = -HALF_SKY_SUBDIVISIONS;
                break;
            }
        }

        sky_mins[0][i] = floor( sky_mins[0][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
        sky_mins[1][i] = floor( sky_mins[1][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
        sky_maxs[0][i] = ceil( sky_maxs[0][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
        sky_maxs[1][i] = ceil( sky_maxs[1][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;

        if ( ( sky_mins[0][i] >= sky_maxs[0][i] ) ||
                ( sky_mins[1][i] >= sky_maxs[1][i] ) )
        {
            continue;
        }

        sky_mins_subd[0] = ri.ftol(sky_mins[0][i] * HALF_SKY_SUBDIVISIONS);
        sky_mins_subd[1] = ri.ftol(sky_mins[1][i] * HALF_SKY_SUBDIVISIONS);
        sky_maxs_subd[0] = ri.ftol(sky_maxs[0][i] * HALF_SKY_SUBDIVISIONS);
        sky_maxs_subd[1] = ri.ftol(sky_maxs[1][i] * HALF_SKY_SUBDIVISIONS);

        if ( sky_mins_subd[0] < -HALF_SKY_SUBDIVISIONS )
            sky_mins_subd[0] = -HALF_SKY_SUBDIVISIONS;
        else if ( sky_mins_subd[0] > HALF_SKY_SUBDIVISIONS )
            sky_mins_subd[0] = HALF_SKY_SUBDIVISIONS;
        if ( sky_mins_subd[1] < MIN_T )
            sky_mins_subd[1] = MIN_T;
        else if ( sky_mins_subd[1] > HALF_SKY_SUBDIVISIONS )
            sky_mins_subd[1] = HALF_SKY_SUBDIVISIONS;

        if ( sky_maxs_subd[0] < -HALF_SKY_SUBDIVISIONS )
            sky_maxs_subd[0] = -HALF_SKY_SUBDIVISIONS;
        else if ( sky_maxs_subd[0] > HALF_SKY_SUBDIVISIONS )
            sky_maxs_subd[0] = HALF_SKY_SUBDIVISIONS;
        if ( sky_maxs_subd[1] < MIN_T )
            sky_maxs_subd[1] = MIN_T;
        else if ( sky_maxs_subd[1] > HALF_SKY_SUBDIVISIONS )
            sky_maxs_subd[1] = HALF_SKY_SUBDIVISIONS;

        //
        // iterate through the subdivisions
        //
        for ( t = sky_mins_subd[1]+HALF_SKY_SUBDIVISIONS; t <= sky_maxs_subd[1]+HALF_SKY_SUBDIVISIONS; t++ )
        {
            for ( s = sky_mins_subd[0]+HALF_SKY_SUBDIVISIONS; s <= sky_maxs_subd[0]+HALF_SKY_SUBDIVISIONS; s++ )
            {
                MakeSkyVec( ( s - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
                            ( t - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
                            i,
                            NULL,
                            s_skyPoints[t][s] );

                s_skyTexCoords[t][s][0] = s_cloudTexCoords[i][t][s][0];
                s_skyTexCoords[t][s][1] = s_cloudTexCoords[i][t][s][1];
            }
        }

        // only add indexes for first stage
        FillCloudySkySide( sky_mins_subd, sky_maxs_subd, ( stage == 0 ) );
    }
}
Exemplo n.º 5
0
static void DrawSkyBox( shader_t *shader )
{
    int		i;

    sky_min = 0;
    sky_max = 1;

    Com_Memset( s_skyTexCoords, 0, sizeof( s_skyTexCoords ) );

    for (i=0 ; i<6 ; i++)
    {
        int sky_mins_subd[2], sky_maxs_subd[2];
        int s, t;

        sky_mins[0][i] = floor( sky_mins[0][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
        sky_mins[1][i] = floor( sky_mins[1][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
        sky_maxs[0][i] = ceil( sky_maxs[0][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
        sky_maxs[1][i] = ceil( sky_maxs[1][i] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;

        if ( ( sky_mins[0][i] >= sky_maxs[0][i] ) ||
                ( sky_mins[1][i] >= sky_maxs[1][i] ) )
        {
            continue;
        }

        sky_mins_subd[0] = sky_mins[0][i] * HALF_SKY_SUBDIVISIONS;
        sky_mins_subd[1] = sky_mins[1][i] * HALF_SKY_SUBDIVISIONS;
        sky_maxs_subd[0] = sky_maxs[0][i] * HALF_SKY_SUBDIVISIONS;
        sky_maxs_subd[1] = sky_maxs[1][i] * HALF_SKY_SUBDIVISIONS;

        if ( sky_mins_subd[0] < -HALF_SKY_SUBDIVISIONS )
            sky_mins_subd[0] = -HALF_SKY_SUBDIVISIONS;
        else if ( sky_mins_subd[0] > HALF_SKY_SUBDIVISIONS )
            sky_mins_subd[0] = HALF_SKY_SUBDIVISIONS;
        if ( sky_mins_subd[1] < -HALF_SKY_SUBDIVISIONS )
            sky_mins_subd[1] = -HALF_SKY_SUBDIVISIONS;
        else if ( sky_mins_subd[1] > HALF_SKY_SUBDIVISIONS )
            sky_mins_subd[1] = HALF_SKY_SUBDIVISIONS;

        if ( sky_maxs_subd[0] < -HALF_SKY_SUBDIVISIONS )
            sky_maxs_subd[0] = -HALF_SKY_SUBDIVISIONS;
        else if ( sky_maxs_subd[0] > HALF_SKY_SUBDIVISIONS )
            sky_maxs_subd[0] = HALF_SKY_SUBDIVISIONS;
        if ( sky_maxs_subd[1] < -HALF_SKY_SUBDIVISIONS )
            sky_maxs_subd[1] = -HALF_SKY_SUBDIVISIONS;
        else if ( sky_maxs_subd[1] > HALF_SKY_SUBDIVISIONS )
            sky_maxs_subd[1] = HALF_SKY_SUBDIVISIONS;

        //
        // iterate through the subdivisions
        //
        for ( t = sky_mins_subd[1]+HALF_SKY_SUBDIVISIONS; t <= sky_maxs_subd[1]+HALF_SKY_SUBDIVISIONS; t++ )
        {
            for ( s = sky_mins_subd[0]+HALF_SKY_SUBDIVISIONS; s <= sky_maxs_subd[0]+HALF_SKY_SUBDIVISIONS; s++ )
            {
                MakeSkyVec( ( s - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
                            ( t - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
                            i,
                            s_skyTexCoords[t][s],
                            s_skyPoints[t][s] );
            }
        }

        DrawSkySide( shader->sky.outerbox[sky_texorder[i]],
                     sky_mins_subd,
                     sky_maxs_subd );
    }

}
Exemplo n.º 6
0
static void DrawSkyBox(shader_t *shader)
{
	int i;

	sky_min = 0;
	sky_max = 1;

	Com_Memset(s_skyTexCoords, 0, sizeof(s_skyTexCoords));

	// set up for drawing
	tess.multiDrawPrimitives = 0;
	tess.numIndexes          = 0;
	tess.numVertexes         = 0;

#if defined(USE_D3D10)
	// TODO
#else
	GL_State(GLS_DEFAULT);
#endif

	for (i = 0; i < 6; i++)
	{
		int sky_mins_subd[2], sky_maxs_subd[2];
		int s, t;

		sky_mins[0][i] = floor(sky_mins[0][i] * HALF_SKY_SUBDIVISIONS) / HALF_SKY_SUBDIVISIONS;
		sky_mins[1][i] = floor(sky_mins[1][i] * HALF_SKY_SUBDIVISIONS) / HALF_SKY_SUBDIVISIONS;
		sky_maxs[0][i] = ceil(sky_maxs[0][i] * HALF_SKY_SUBDIVISIONS) / HALF_SKY_SUBDIVISIONS;
		sky_maxs[1][i] = ceil(sky_maxs[1][i] * HALF_SKY_SUBDIVISIONS) / HALF_SKY_SUBDIVISIONS;

		if ((sky_mins[0][i] >= sky_maxs[0][i]) || (sky_mins[1][i] >= sky_maxs[1][i]))
		{
			continue;
		}

		sky_mins_subd[0] = sky_mins[0][i] * HALF_SKY_SUBDIVISIONS;
		sky_mins_subd[1] = sky_mins[1][i] * HALF_SKY_SUBDIVISIONS;
		sky_maxs_subd[0] = sky_maxs[0][i] * HALF_SKY_SUBDIVISIONS;
		sky_maxs_subd[1] = sky_maxs[1][i] * HALF_SKY_SUBDIVISIONS;

		if (sky_mins_subd[0] < -HALF_SKY_SUBDIVISIONS)
		{
			sky_mins_subd[0] = -HALF_SKY_SUBDIVISIONS;
		}
		else if (sky_mins_subd[0] > HALF_SKY_SUBDIVISIONS)
		{
			sky_mins_subd[0] = HALF_SKY_SUBDIVISIONS;
		}
		if (sky_mins_subd[1] < -HALF_SKY_SUBDIVISIONS)
		{
			sky_mins_subd[1] = -HALF_SKY_SUBDIVISIONS;
		}
		else if (sky_mins_subd[1] > HALF_SKY_SUBDIVISIONS)
		{
			sky_mins_subd[1] = HALF_SKY_SUBDIVISIONS;
		}

		if (sky_maxs_subd[0] < -HALF_SKY_SUBDIVISIONS)
		{
			sky_maxs_subd[0] = -HALF_SKY_SUBDIVISIONS;
		}
		else if (sky_maxs_subd[0] > HALF_SKY_SUBDIVISIONS)
		{
			sky_maxs_subd[0] = HALF_SKY_SUBDIVISIONS;
		}
		if (sky_maxs_subd[1] < -HALF_SKY_SUBDIVISIONS)
		{
			sky_maxs_subd[1] = -HALF_SKY_SUBDIVISIONS;
		}
		else if (sky_maxs_subd[1] > HALF_SKY_SUBDIVISIONS)
		{
			sky_maxs_subd[1] = HALF_SKY_SUBDIVISIONS;
		}

		// iterate through the subdivisions
		for (t = sky_mins_subd[1] + HALF_SKY_SUBDIVISIONS; t <= sky_maxs_subd[1] + HALF_SKY_SUBDIVISIONS; t++)
		{
			for (s = sky_mins_subd[0] + HALF_SKY_SUBDIVISIONS; s <= sky_maxs_subd[0] + HALF_SKY_SUBDIVISIONS; s++)
			{
				MakeSkyVec((s - HALF_SKY_SUBDIVISIONS) / (float)HALF_SKY_SUBDIVISIONS,
				           (t - HALF_SKY_SUBDIVISIONS) / (float)HALF_SKY_SUBDIVISIONS,
				           i, s_skyTexCoords[t][s], s_skyPoints[t][s]);
			}
		}

		//DrawSkySide(shader->sky.outerbox[sky_texorder[i]], sky_mins_subd, sky_maxs_subd);

		// only add indexes for first stage
		FillCloudySkySide(sky_mins_subd, sky_maxs_subd, qtrue);
	}

	Tess_DrawElements();
}