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Use a different var to track unset DTA_FillColor instead of a default value

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- If palette index 255 happens to be white (e.g. as in Hexen), trying to
  use white with DTA_FillColor would treat it as if you had never passed
  it to DrawTexture().
This commit is contained in:
Randy Heit 2015-04-22 22:13:49 -05:00
parent a7ff9478a7
commit 03c3621bb4
2 changed files with 4 additions and 2 deletions
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4
src/v_draw.cpp
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@ -333,6 +333,7 @@ bool DCanvas::ParseDrawTextureTags (FTexture *img, double x, double y, DWORD tag
int intval; int intval;
bool translationset = false; bool translationset = false;
bool virtBottom; bool virtBottom;
bool fillcolorset = false;
if (img == NULL || img->UseType == FTexture::TEX_Null) if (img == NULL || img->UseType == FTexture::TEX_Null)
{ {
@ -539,6 +540,7 @@ bool DCanvas::ParseDrawTextureTags (FTexture *img, double x, double y, DWORD tag
case DTA_FillColor: case DTA_FillColor:
parms->fillcolor = va_arg(tags, uint32); parms->fillcolor = va_arg(tags, uint32);
fillcolorset = true;
break; break;
case DTA_Translation: case DTA_Translation:
@ -711,7 +713,7 @@ bool DCanvas::ParseDrawTextureTags (FTexture *img, double x, double y, DWORD tag
if (parms->style.BlendOp == 255) if (parms->style.BlendOp == 255)
{ {
if (parms->fillcolor != ~0u) if (fillcolorset)
{ {
if (parms->alphaChannel) if (parms->alphaChannel)
{ {

2
src/v_video.h
View file

@ -74,7 +74,7 @@ enum
DTA_DestWidth, // width of area to draw to DTA_DestWidth, // width of area to draw to
DTA_DestHeight, // height of area to draw to DTA_DestHeight, // height of area to draw to
DTA_Alpha, // alpha value for translucency DTA_Alpha, // alpha value for translucency
DTA_FillColor, // color to stencil onto the destination DTA_FillColor, // color to stencil onto the destination (RGB is the color for truecolor drawers, A is the palette index for paletted drawers)
DTA_Translation, // translation table to recolor the source DTA_Translation, // translation table to recolor the source
DTA_AlphaChannel, // bool: the source is an alpha channel; used with DTA_FillColor DTA_AlphaChannel, // bool: the source is an alpha channel; used with DTA_FillColor
DTA_Clean, // bool: scale texture size and position by CleanXfac and CleanYfac DTA_Clean, // bool: scale texture size and position by CleanXfac and CleanYfac