void V_AddPlayerBlend (player_t *CPlayer, float blend[4], float maxinvalpha, int maxpainblend)
{
int cnt;
// [RH] All powerups can affect the screen blending now
for (AInventory *item = CPlayer->mo->Inventory; item != NULL; item = item->Inventory)
{
PalEntry color = item->GetBlend ();
if (color.a != 0)
{
V_AddBlend (color.r/255.f, color.g/255.f, color.b/255.f, color.a/255.f, blend);
if (color.a/255.f > maxinvalpha) maxinvalpha = color.a/255.f;
}
}
if (CPlayer->bonuscount)
{
cnt = CPlayer->bonuscount << 3;
V_AddBlend (RPART(gameinfo.pickupcolor)/255.f, GPART(gameinfo.pickupcolor)/255.f,
BPART(gameinfo.pickupcolor)/255.f, cnt > 128 ? 0.5f : cnt / 255.f, blend);
}
PalEntry painFlash = CPlayer->mo->DamageFade;
CPlayer->mo->GetClass()->GetPainFlash(CPlayer->mo->DamageTypeReceived, &painFlash);
if (painFlash.a != 0)
{
cnt = DamageToAlpha[MIN (113, CPlayer->damagecount * painFlash.a / 255)];
if (cnt)
{
if (cnt > maxpainblend)
cnt = maxpainblend;
V_AddBlend (painFlash.r / 255.f, painFlash.g / 255.f, painFlash.b / 255.f, cnt / 255.f, blend);
}
}
// Unlike Doom, I did not have any utility source to look at to find the
// exact numbers to use here, so I've had to guess by looking at how they
// affect the white color in Hexen's palette and picking an alpha value
// that seems reasonable.
// [Gez] The exact values could be obtained by looking how they affect
// each color channel in Hexen's palette.
if (CPlayer->poisoncount)
{
cnt = MIN (CPlayer->poisoncount, 64);
if (paletteflash & PF_POISON)
{
V_AddBlend(44/255.f, 92/255.f, 36/255.f, ((cnt + 7) >> 3) * 0.1f, blend);
}
//==========================================================================
//
// Draws a blend over the entire view
//
//==========================================================================
void FGLRenderer::DrawBlend(sector_t * viewsector)
{
float blend[4]={0,0,0,0};
PalEntry blendv=0;
float extra_red;
float extra_green;
float extra_blue;
player_t *player = NULL;
if (players[consoleplayer].camera != NULL)
{
player=players[consoleplayer].camera->player;
}
// don't draw sector based blends when an invulnerability colormap is active
if (!gl_fixedcolormap)
{
if (!viewsector->e->XFloor.ffloors.Size())
{
if (viewsector->heightsec && !(viewsector->MoreFlags&SECF_IGNOREHEIGHTSEC))
{
switch (in_area)
{
default:
case area_normal: blendv = viewsector->heightsec->midmap; break;
case area_above: blendv = viewsector->heightsec->topmap; break;
case area_below: blendv = viewsector->heightsec->bottommap; break;
}
}
}
else
{
TArray<lightlist_t> & lightlist = viewsector->e->XFloor.lightlist;
for (unsigned int i = 0; i < lightlist.Size(); i++)
{
double lightbottom;
if (i < lightlist.Size() - 1)
lightbottom = lightlist[i + 1].plane.ZatPoint(ViewPos);
else
lightbottom = viewsector->floorplane.ZatPoint(ViewPos);
if (lightbottom < ViewPos.Z && (!lightlist[i].caster || !(lightlist[i].caster->flags&FF_FADEWALLS)))
{
// 3d floor 'fog' is rendered as a blending value
blendv = lightlist[i].blend;
// If this is the same as the sector's it doesn't apply!
if (blendv == viewsector->ColorMap->Fade) blendv = 0;
// a little hack to make this work for Legacy maps.
if (blendv.a == 0 && blendv != 0) blendv.a = 128;
break;
}
}
}
if (blendv.a == 0)
{
blendv = R_BlendForColormap(blendv);
if (blendv.a == 255)
{
// The calculated average is too dark so brighten it according to the palettes's overall brightness
int maxcol = MAX<int>(MAX<int>(framebuffer->palette_brightness, blendv.r), MAX<int>(blendv.g, blendv.b));
blendv.r = blendv.r * 255 / maxcol;
blendv.g = blendv.g * 255 / maxcol;
blendv.b = blendv.b * 255 / maxcol;
}
}
if (blendv.a == 255)
{
extra_red = blendv.r / 255.0f;
extra_green = blendv.g / 255.0f;
extra_blue = blendv.b / 255.0f;
// If this is a multiplicative blend do it separately and add the additive ones on top of it.
blendv = 0;
// black multiplicative blends are ignored
if (extra_red || extra_green || extra_blue)
{
gl_RenderState.BlendFunc(GL_DST_COLOR, GL_ZERO);
gl_RenderState.SetColor(extra_red, extra_green, extra_blue, 1.0f);
gl_FillScreen();
}
}
else if (blendv.a)
{
// [Nash] allow user to set blend intensity
int cnt = blendv.a;
cnt = (int)(cnt * underwater_fade_scalar);
V_AddBlend(blendv.r / 255.f, blendv.g / 255.f, blendv.b / 255.f, cnt / 255.0f, blend);
}
}
// This mostly duplicates the code in shared_sbar.cpp
// When I was writing this the original was called too late so that I
// couldn't get the blend in time. However, since then I made some changes
// here that would get lost if I switched back so I won't do it.
if (player)
{
V_AddPlayerBlend(player, blend, 0.5, 175);
}
if (players[consoleplayer].camera != NULL)
{
// except for fadeto effects
player_t *player = (players[consoleplayer].camera->player != NULL) ? players[consoleplayer].camera->player : &players[consoleplayer];
V_AddBlend (player->BlendR, player->BlendG, player->BlendB, player->BlendA, blend);
}
gl_RenderState.SetTextureMode(TM_MODULATE);
gl_RenderState.BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (blend[3]>0.0f)
{
gl_RenderState.SetColor(blend[0], blend[1], blend[2], blend[3]);
gl_FillScreen();
}
gl_RenderState.ResetColor();
gl_RenderState.EnableTexture(true);
}
