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hwr2: restore software CustomFadeScreen

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This commit is contained in:
Eidolon 2023-02-28 19:20:31 -06:00
parent f82bdd878d
commit 42fa2cf286
1 changed files with 31 additions and 3 deletions
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34
src/v_video.cpp
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@ -1570,8 +1570,6 @@ void V_DrawFadeScreen(UINT16 color, UINT8 strength)
//
void V_DrawCustomFadeScreen(const char *lump, UINT8 strength)
{
(void)lump;
(void)strength;
#ifdef HWRENDER
if (rendermode != render_soft && rendermode != render_none)
{
@ -1580,7 +1578,37 @@ void V_DrawCustomFadeScreen(const char *lump, UINT8 strength)
}
#endif
// NOTE: This is not implementable in HWR2.
// TODO: fix this for Twodee
{
lumpnum_t lumpnum = LUMPERROR;
lighttable_t *clm = NULL;
if (lump != NULL)
lumpnum = W_GetNumForName(lump);
else
return;
if (lumpnum != LUMPERROR)
{
clm = static_cast<lighttable_t*>(Z_MallocAlign(COLORMAP_SIZE, PU_STATIC, NULL, 8));
W_ReadLump(lumpnum, clm);
if (clm != NULL)
{
const UINT8 *fadetable = ((UINT8 *)clm + strength*256);
const UINT8 *deststop = screens[0] + vid.rowbytes * vid.height;
UINT8 *buf = screens[0];
// heavily simplified -- we don't need to know x or y
// position when we're doing a full screen fade
for (; buf < deststop; ++buf)
*buf = fadetable[*buf];
Z_Free(clm);
clm = NULL;
}
}
}
}
// Simple translucency with one color, over a set number of lines starting from the top.