C++ (Cpp) VID_ShiftPalette Examples

Example #1

File: r_misc.cpp Project: ACSOP/android_external_quake

void WarpPalette (void)
{
	int		i,j;
	byte	newpalette[768];
	int		basecolor[3];
	
	basecolor[0] = 130;
	basecolor[1] = 80;
	basecolor[2] = 50;

// pull the colors halfway to bright brown
	for (i=0 ; i<256 ; i++)
	{
		for (j=0 ; j<3 ; j++)
		{
			newpalette[i*3+j] = (host_basepal[i*3+j] + basecolor[j])/2;
		}
	}
	
	VID_ShiftPalette (newpalette);
}

Example #2

File: view.c Project: CatalystG/tyrquake

void
V_UpdatePalette(void)
{
    int i, j;
    qboolean newobj;
    byte *basepal;
#ifdef __LIBRETRO__
    unsigned short *pal_data;
#else
    byte pal[768];
    byte *newpal;
#endif
    int r, g, b;
    qboolean force;

    V_CalcPowerupCshift();

    newobj = false;

    for (i = 0; i < NUM_CSHIFTS; i++) {
	if (cl.cshifts[i].percent != cl.prev_cshifts[i].percent) {
	    newobj = true;
	    cl.prev_cshifts[i].percent = cl.cshifts[i].percent;
	}
	for (j = 0; j < 3; j++)
	    if (cl.cshifts[i].destcolor[j] != cl.prev_cshifts[i].destcolor[j]) {
		newobj = true;
		cl.prev_cshifts[i].destcolor[j] = cl.cshifts[i].destcolor[j];
	    }
    }

// drop the damage value
    cl.cshifts[CSHIFT_DAMAGE].percent -= host_frametime * 150;
    if (cl.cshifts[CSHIFT_DAMAGE].percent <= 0)
	cl.cshifts[CSHIFT_DAMAGE].percent = 0;

// drop the bonus value
    cl.cshifts[CSHIFT_BONUS].percent -= host_frametime * 100;
    if (cl.cshifts[CSHIFT_BONUS].percent <= 0)
	cl.cshifts[CSHIFT_BONUS].percent = 0;

    force = V_CheckGamma();
    if (!newobj && !force)
	return;

    basepal = host_basepal;
#ifdef __LIBRETRO__
    pal_data = &palette_data[0];
#else
    newpal = pal;
#endif

    for (i = 0; i < 256; i++) {
	r = basepal[0];
	g = basepal[1];
	b = basepal[2];
	basepal += 3;

	for (j = 0; j < NUM_CSHIFTS; j++) {
	    r += (cl.cshifts[j].percent *
		  (cl.cshifts[j].destcolor[0] - r)) >> 8;
	    g += (cl.cshifts[j].percent *
		  (cl.cshifts[j].destcolor[1] - g)) >> 8;
	    b += (cl.cshifts[j].percent *
		  (cl.cshifts[j].destcolor[2] - b)) >> 8;
	}

#ifdef __LIBRETRO__
   *pal_data++ = PACK_RGB565(gammatable[r], gammatable[g], gammatable[b]);
#else
	newpal[0] = r = gammatable[r];
	newpal[1] = g = gammatable[g];
	newpal[2] = b = gammatable[b];
	newpal += 3;
#endif
    }

#ifndef __LIBRETRO__
    VID_ShiftPalette(pal);
#endif
}

Example #3

File: view.cpp Project: GAMELASTER/WPQuake1

void V_UpdatePalette (void)
{
	int		i, j;
	qboolean	new_ptr;
	byte	*basepal, *newpal;
	byte	pal[768];
	int		r,g,b;
	qboolean force;

	V_CalcPowerupCshift ();
	
	new_ptr = false;
	
	for (i=0 ; i<NUM_CSHIFTS ; i++)
	{
		if (cl.cshifts[i].percent != cl.prev_cshifts[i].percent)
		{
			new_ptr = true;
			cl.prev_cshifts[i].percent = cl.cshifts[i].percent;
		}
		for (j=0 ; j<3 ; j++)
			if (cl.cshifts[i].destcolor[j] != cl.prev_cshifts[i].destcolor[j])
			{
				new_ptr = true;
				cl.prev_cshifts[i].destcolor[j] = cl.cshifts[i].destcolor[j];
			}
	}
	
// drop the damage value
	cl.cshifts[CSHIFT_DAMAGE].percent -= host_frametime*150;
	if (cl.cshifts[CSHIFT_DAMAGE].percent <= 0)
		cl.cshifts[CSHIFT_DAMAGE].percent = 0;

// drop the bonus value
	cl.cshifts[CSHIFT_BONUS].percent -= host_frametime*100;
	if (cl.cshifts[CSHIFT_BONUS].percent <= 0)
		cl.cshifts[CSHIFT_BONUS].percent = 0;

	force = V_CheckGamma ();
	if (!new_ptr && !force)
		return;
			
	basepal = host_basepal;
	newpal = pal;
	
	for (i=0 ; i<256 ; i++)
	{
		r = basepal[0];
		g = basepal[1];
		b = basepal[2];
		basepal += 3;
	
		for (j=0 ; j<NUM_CSHIFTS ; j++)	
		{
			r += (cl.cshifts[j].percent*(cl.cshifts[j].destcolor[0]-r))>>8;
			g += (cl.cshifts[j].percent*(cl.cshifts[j].destcolor[1]-g))>>8;
			b += (cl.cshifts[j].percent*(cl.cshifts[j].destcolor[2]-b))>>8;
		}
		
		newpal[0] = gammatable[r];
		newpal[1] = gammatable[g];
		newpal[2] = gammatable[b];
		newpal += 3;
	}

	VID_ShiftPalette (pal);	
}