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Calculate the perceptual (i.e. "real") max shade in the given tables.

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git-svn-id: https://svn.eduke32.com/eduke32@6514 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2017-11-29 07:29:30 +00:00
parent 23b1b650bb
commit 5adb8364b6
2 changed files with 21 additions and 0 deletions
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3
source/build/include/palette.h
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@ -38,6 +38,9 @@ typedef struct {
extern palette_t curpalette[256], curpalettefaded[256], palfadergb; extern palette_t curpalette[256], curpalettefaded[256], palfadergb;
extern char palfadedelta; extern char palfadedelta;
extern int32_t realmaxshade;
extern float frealmaxshade;
extern int32_t globalblend; extern int32_t globalblend;
extern uint32_t g_lastpalettesum; extern uint32_t g_lastpalettesum;
extern palette_t getpal(int32_t col); extern palette_t getpal(int32_t col);

18
source/build/src/palette.cpp
View file

@ -20,6 +20,9 @@ palette_t palfadergb = { 0, 0, 0, 0 };
char palfadedelta = 0; char palfadedelta = 0;
uint8_t blackcol; uint8_t blackcol;
int32_t realmaxshade;
float frealmaxshade;
#if defined(USE_OPENGL) #if defined(USE_OPENGL)
palette_t palookupfog[MAXPALOOKUPS]; palette_t palookupfog[MAXPALOOKUPS];
#endif #endif
@ -310,6 +313,21 @@ void E_PostLoadPalette(void)
PostLoad_NotFullbright: ; PostLoad_NotFullbright: ;
} }
uint8_t const * const blackcolor = &palette[blackcol*3];
size_t s;
for (s = numshades < 2 ? 0 : numshades-2; s > 0; --s)
{
for (size_t c = s*256, c_end = c+255; c < c_end; ++c) // skipping transparent color
{
uint8_t const index = palookup0[c];
uint8_t const * const color = &palette[index*3];
if (!IsPaletteIndexFullbright(index) && memcmp(blackcolor, color, sizeof(rgb24_t)))
goto PostLoad_FoundShade;
}
}
PostLoad_FoundShade: ;
frealmaxshade = (float)(realmaxshade = s+1);
} }
void E_ReplaceTransparentColorWithBlack(void) void E_ReplaceTransparentColorWithBlack(void)