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Split P_FadeLight into P_FadeLightBySector

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This commit is contained in:
mazmazz 2018-09-08 22:14:49 -04:00
parent 1e1b01c157
commit 68e67917f1
2 changed files with 41 additions and 40 deletions
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80
src/p_lights.c
View file

@ -323,59 +323,59 @@ glow_t *P_SpawnAdjustableGlowingLight(sector_t *minsector, sector_t *maxsector,
return g;
}
/** Fades all the lights in sectors with a particular tag to a new
/** Fades all the lights in specified sector to a new
* value.
*
* \param tag Tag to look for sectors by.
* \param sector Target sector
* \param destvalue The final light value in these sectors.
* \param speed Speed of the fade; the change to the ligh
* level in each sector per tic.
* \param ticbased Use a specific duration for the fade, defined by speed
* \sa T_LightFade
*/
void P_FadeLightBySector(sector_t *sector, INT32 destvalue, INT32 speed, boolean ticbased)
{
lightlevel_t *ll;
P_RemoveLighting(sector); // remove the old lighting effect first
if ((ticbased && !speed) || sector->lightlevel == destvalue) // set immediately
{
sector->lightlevel = destvalue;
return;
}
ll = Z_Calloc(sizeof (*ll), PU_LEVSPEC, NULL);
ll->thinker.function.acp1 = (actionf_p1)T_LightFade;
sector->lightingdata = ll; // set it to the lightlevel_t
P_AddThinker(&ll->thinker); // add thinker
ll->sector = sector;
ll->destlevel = destvalue;
if (ticbased)
{
ll->duration = abs(speed);
ll->speed = FixedFloor(FixedDiv(destvalue - sector->lightlevel, ll->duration))/FRACUNIT;
if (!ll->speed)
ll->speed = (destvalue < sector->lightlevel) ? -1 : 1;
ll->interval = max(FixedFloor(FixedDiv(ll->duration, abs(destvalue - sector->lightlevel)))/FRACUNIT, 1);
ll->firsttic = gametic;
}
else
{
ll->duration = -1;
ll->speed = abs(speed);
}
}
void P_FadeLight(INT16 tag, INT32 destvalue, INT32 speed, boolean ticbased)
{
INT32 i;
lightlevel_t *ll;
sector_t *sector;
// search all sectors for ones with tag
for (i = -1; (i = P_FindSectorFromTag(tag, i)) >= 0 ;)
{
sector = &sectors[i];
P_RemoveLighting(sector); // remove the old lighting effect first
if ((ticbased && !speed) || sector->lightlevel == destvalue) // set immediately
{
sector->lightlevel = destvalue;
continue;
}
ll = Z_Calloc(sizeof (*ll), PU_LEVSPEC, NULL);
ll->thinker.function.acp1 = (actionf_p1)T_LightFade;
sector->lightingdata = ll; // set it to the lightlevel_t
P_AddThinker(&ll->thinker); // add thinker
ll->sector = sector;
ll->destlevel = destvalue;
if (ticbased)
{
ll->duration = abs(speed);
ll->speed = FixedFloor(FixedDiv(destvalue - sector->lightlevel, ll->duration))/FRACUNIT;
if (!ll->speed)
ll->speed = (destvalue < sector->lightlevel) ? -1 : 1;
ll->interval = max(FixedFloor(FixedDiv(ll->duration, abs(destvalue - sector->lightlevel)))/FRACUNIT, 1);
ll->firsttic = gametic;
}
else
{
ll->duration = -1;
ll->speed = abs(speed);
}
}
P_FadeLightBySector(&sectors[i], destvalue, speed, ticbased);
}
/** Fades the light level in a sector to a new value.

1
src/p_spec.h
View file

@ -161,6 +161,7 @@ strobe_t * P_SpawnAdjustableStrobeFlash(sector_t *minsector, sector_t *maxsector
void T_Glow(glow_t *g);
glow_t *P_SpawnAdjustableGlowingLight(sector_t *minsector, sector_t *maxsector, INT32 length);
void P_FadeLightBySector(sector_t *sector, INT32 destvalue, INT32 speed, boolean ticbased);
void P_FadeLight(INT16 tag, INT32 destvalue, INT32 speed, boolean ticbased);
void T_LightFade(lightlevel_t *ll);