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Add R_CheckEqualColormaps comparison method

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This commit is contained in:
mazmazz 2018-09-11 22:34:29 -04:00
parent f0c11eb135
commit 90aeac5058
2 changed files with 28 additions and 0 deletions
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27
src/r_data.c
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@ -1472,6 +1472,33 @@ boolean R_CheckDefaultColormap(extracolormap_t *extra_colormap, boolean checkrgb
#endif
}
boolean R_CheckEqualColormaps(extracolormap_t *exc_a, extracolormap_t *exc_b, boolean checkrgba, boolean checkfadergba, boolean checkparams)
{
// Treat NULL as default colormap
// We need this because what if one exc is a default colormap, and the other is NULL? They're really both equal.
if (!exc_a)
exc_a = R_GetDefaultColormap();
if (!exc_b)
exc_b = R_GetDefaultColormap();
if (exc_a == exc_b)
return true;
return (
(!checkparams ? true :
(exc_a->fadestart == exc_b->fadestart
&& exc_a->fadeend == exc_b->fadeend
&& exc_a->fog == exc_b->fog)
)
&& (!checkrgba ? true : exc_a->rgba == exc_b->rgba)
&& (!checkfadergba ? true : exc_a->fadergba == exc_b->fadergba)
#ifdef EXTRACOLORMAPLUMPS
&& exc_a->lump == exc_b->lump
&& !strncmp(exc_a->lumpname, exc_b->lumpname, 9)
#endif
);
}
//
// R_GetColormapFromListByValues()
// NOTE: Returns NULL if no match is found

1
src/r_data.h
View file

@ -120,6 +120,7 @@ boolean R_CheckDefaultColormapByValues(boolean checkrgba, boolean checkfadergba,
extracolormap_t *R_GetColormapFromListByValues(INT32 rgba, INT32 fadergba, UINT8 fadestart, UINT8 fadeend, boolean fog);
#endif
boolean R_CheckDefaultColormap(extracolormap_t *extra_colormap, boolean checkrgba, boolean checkfadergba, boolean checkparams);
boolean R_CheckEqualColormaps(extracolormap_t *exc_a, extracolormap_t *exc_b, boolean checkrgba, boolean checkfadergba, boolean checkparams);
extracolormap_t *R_GetColormapFromList(extracolormap_t *extra_colormap);
lighttable_t *R_CreateLightTable(extracolormap_t *extra_colormap);