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Continuing my recent streak of making random lighting/colormap-related fixes to long-standing bugs:

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* Fix that thing where ALL transparent FOF planes were continuously fullbright unless encased in a fog which disables sprite fullbrightness, which was long-hated by many people in the community!
	* For backwards compatibility, setting flag 1 in that fog field (which is probably the most common "in-the-wild" usage of this feature) will continue to make objects un-fullbright.
	* For situations where you desperately want the behaviour to be enabled, you can apply fog flag 2.
* Change the fadestart and fadeend range in which colormaps are generated.
	* The problem HERE was that the darkest light level reached by generated colormaps was actually slightly brighter than the darkest level reached by normal colormaps.
	* The typo I fixed does have SOME basis in fact - standard colormap lumps are 34 (33 in 0-indexing) long rather than 32 (31), but whoever wrote this didn't realise that the code for generating them didn't do it DooM style, just bright-to-dark with no extras on the end...
This commit is contained in:
toaster 2018-08-25 16:46:45 +01:00
parent eb5b5300ab
commit 6bd034e3dc
3 changed files with 15 additions and 15 deletions
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22
src/r_data.c
View file

@ -1087,7 +1087,7 @@ INT32 R_ColormapNumForName(char *name)
extra_colormaps[num_extra_colormaps].fadecolor = 0x0;
extra_colormaps[num_extra_colormaps].maskamt = 0x0;
extra_colormaps[num_extra_colormaps].fadestart = 0;
extra_colormaps[num_extra_colormaps].fadeend = 33;
extra_colormaps[num_extra_colormaps].fadeend = 31;
extra_colormaps[num_extra_colormaps].fog = 0;
num_extra_colormaps++;
@ -1115,7 +1115,7 @@ INT32 R_CreateColormap(char *p1, char *p2, char *p3)
size_t mapnum = num_extra_colormaps;
size_t i;
UINT32 cr, cg, cb, maskcolor, fadecolor;
UINT32 fadestart = 0, fadeend = 33, fadedist = 33;
UINT32 fadestart = 0, fadeend = 31, fadedist = 31;
#define HEX2INT(x) (UINT32)(x >= '0' && x <= '9' ? x - '0' : x >= 'a' && x <= 'f' ? x - 'a' + 10 : x >= 'A' && x <= 'F' ? x - 'A' + 10 : 0)
if (p1[0] == '#')
@ -1156,12 +1156,12 @@ INT32 R_CreateColormap(char *p1, char *p2, char *p3)
// Get parameters like fadestart, fadeend, and the fogflag
fadestart = NUMFROMCHAR(p2[3]) + (NUMFROMCHAR(p2[2]) * 10);
fadeend = NUMFROMCHAR(p2[5]) + (NUMFROMCHAR(p2[4]) * 10);
if (fadestart > 32)
if (fadestart > 30)
fadestart = 0;
if (fadeend > 33 || fadeend < 1)
fadeend = 33;
if (fadeend > 31 || fadeend < 1)
fadeend = 31;
fadedist = fadeend - fadestart;
fog = NUMFROMCHAR(p2[1]) ? 1 : 0;
fog = NUMFROMCHAR(p2[1]);
}
#undef getnum
@ -1262,7 +1262,7 @@ void R_CreateColormap2(char *p1, char *p2, char *p3)
size_t i;
char *colormap_p;
UINT32 cr, cg, cb, maskcolor, fadecolor;
UINT32 fadestart = 0, fadeend = 33, fadedist = 33;
UINT32 fadestart = 0, fadeend = 31, fadedist = 31;
#define HEX2INT(x) (UINT32)(x >= '0' && x <= '9' ? x - '0' : x >= 'a' && x <= 'f' ? x - 'a' + 10 : x >= 'A' && x <= 'F' ? x - 'A' + 10 : 0)
if (p1[0] == '#')
@ -1303,12 +1303,12 @@ void R_CreateColormap2(char *p1, char *p2, char *p3)
// Get parameters like fadestart, fadeend, and the fogflag
fadestart = NUMFROMCHAR(p2[3]) + (NUMFROMCHAR(p2[2]) * 10);
fadeend = NUMFROMCHAR(p2[5]) + (NUMFROMCHAR(p2[4]) * 10);
if (fadestart > 32)
if (fadestart > 30)
fadestart = 0;
if (fadeend > 33 || fadeend < 1)
fadeend = 33;
if (fadeend > 31 || fadeend < 1)
fadeend = 31;
fadedist = fadeend - fadestart;
fog = NUMFROMCHAR(p2[1]) ? 1 : 0;
fog = NUMFROMCHAR(p2[1]);
}
#undef getnum

4
src/r_plane.c
View file

@ -768,7 +768,7 @@ void R_DrawSinglePlane(visplane_t *pl)
else // Opaque, but allow transparent flat pixels
spanfunc = splatfunc;
if (pl->extra_colormap && pl->extra_colormap->fog)
if (!pl->extra_colormap || !(pl->extra_colormap->fog & 2))
light = (pl->lightlevel >> LIGHTSEGSHIFT);
else
light = LIGHTLEVELS-1;
@ -822,7 +822,7 @@ void R_DrawSinglePlane(visplane_t *pl)
else // Opaque, but allow transparent flat pixels
spanfunc = splatfunc;
if (pl->extra_colormap && pl->extra_colormap->fog)
if (!pl->extra_colormap || !(pl->extra_colormap->fog & 2))
light = (pl->lightlevel >> LIGHTSEGSHIFT);
else
light = LIGHTLEVELS-1;

4
src/r_things.c
View file

@ -1023,7 +1023,7 @@ static void R_SplitSprite(vissprite_t *sprite, mobj_t *thing)
else
*/
if (!((thing->frame & (FF_FULLBRIGHT|FF_TRANSMASK) || thing->flags2 & MF2_SHADOW)
&& (!newsprite->extra_colormap || !newsprite->extra_colormap->fog)))
&& (!newsprite->extra_colormap || !(newsprite->extra_colormap->fog & 1))))
{
lindex = FixedMul(sprite->xscale, FixedDiv(640, vid.width))>>(LIGHTSCALESHIFT);
@ -1324,7 +1324,7 @@ static void R_ProjectSprite(mobj_t *thing)
vis->transmap = transtables + (thing->frame & FF_TRANSMASK) - 0x10000;
if (((thing->frame & FF_FULLBRIGHT) || (thing->flags2 & MF2_SHADOW))
&& (!vis->extra_colormap || !vis->extra_colormap->fog))
&& (!vis->extra_colormap || !(vis->extra_colormap->fog & 1)))
{
// full bright: goggles
vis->colormap = colormaps;