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add a parameter to force rebuilding of the TRANMAP lump

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This commit is contained in:
Fabian Greffrath 2021-10-25 10:46:00 +02:00
parent 324d6fd271
commit d99bdb6207
1 changed files with 5 additions and 2 deletions
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7
Source/r_data.c
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@ -33,6 +33,7 @@
#include "r_main.h"
#include "r_sky.h"
#include "d_io.h"
#include "m_argv.h" // M_CheckParm()
#ifdef _WIN32
#include "../win32/win_fopen.h"
@ -850,10 +851,11 @@ int tran_filter_pct = 66; // filter percent
void R_InitTranMap(int progress)
{
int lump = W_CheckNumForName("TRANMAP");
int force_rebuild = M_CheckParm("-tranmap");
// If a tranlucency filter map lump is present, use it
if (lump != -1) // Set a pointer to the translucency filter maps.
if (lump != -1 && !force_rebuild) // Set a pointer to the translucency filter maps.
main_tranmap = W_CacheLumpNum(lump, PU_STATIC); // killough 4/11/98
else
{ // Compose a default transparent filter map based on PLAYPAL.
@ -875,7 +877,8 @@ void R_InitTranMap(int progress)
fread(&cache, 1, sizeof cache, cachefp) != sizeof cache ||
cache.pct != tran_filter_pct ||
memcmp(cache.playpal, playpal, sizeof cache.playpal) ||
fread(main_tranmap, 256, 256, cachefp) != 256 ) // killough 4/11/98
fread(main_tranmap, 256, 256, cachefp) != 256 || // killough 4/11/98
force_rebuild)
{
long pal[3][256], tot[256], pal_w1[3][256];
long w1 = ((unsigned long) tran_filter_pct<<TSC)/100;