int findNextPlaneHeight(void* ptr, void* context)
{
findnextplaneheightparams_t* params = (findnextplaneheightparams_t*) context;
Sector* other = P_GetNextSector((Line*) ptr, params->baseSec);
coord_t otherHeight;
if(!other)
return false; // Continue iteration.
otherHeight = P_GetDoublep(other, ((params->flags & FNPHF_FLOOR)? DMU_FLOOR_HEIGHT : DMU_CEILING_HEIGHT));
if(params->flags & FNPHF_ABOVE)
{
if(otherHeight < params->val && otherHeight > params->baseHeight)
{
params->val = otherHeight;
params->foundSec = other;
}
}
else if(otherHeight > params->val && otherHeight < params->baseHeight)
{
params->val = otherHeight;
params->foundSec = other;
}
return false; // Continue iteration.
}
int findNextLightLevel(void* ptr, void* context)
{
findnextlightlevelparams_t *params = (findnextlightlevelparams_t*) context;
Line* li = (Line*) ptr;
Sector* other = P_GetNextSector(li, params->baseSec);
float otherLight;
if(!other)
return false; // Continue iteration.
otherLight = P_GetFloatp(other, DMU_LIGHT_LEVEL);
if(params->flags & FNLLF_ABOVE)
{
if(otherLight < params->val && otherLight > params->baseLight)
{
params->val = otherLight;
params->foundSec = other;
if(!(params->val > 0))
return true; // Stop iteration. Can't get any darker.
}
}
else if(otherLight > params->val && otherLight < params->baseLight)
{
params->val = otherLight;
params->foundSec = other;
if(!(params->val < 1))
return true; // Stop iteration. Can't get any brighter.
}
return false; // Continue iteration.
}
int findExtremalPlaneHeight(void* ptr, void* context)
{
findextremalplaneheightparams_t* params = (findextremalplaneheightparams_t*) context;
Sector* other = P_GetNextSector((Line*) ptr, params->baseSec);
coord_t height;
if(!other)
return false; // Continue iteration.
height = P_GetDoublep(other, ((params->flags & FEPHF_FLOOR)? DMU_FLOOR_HEIGHT : DMU_CEILING_HEIGHT));
if(params->flags & FEPHF_MIN)
{
if(height < params->val)
{
params->val = height;
params->foundSec = other;
}
}
else if(height > params->val)
{
params->val = height;
params->foundSec = other;
}
return false; // Continue iteration.
}
int findExtremalLightLevelInAdjacentSectors(void* ptr, void* context)
{
findlightlevelparams_t* params = (findlightlevelparams_t*) context;
Sector* other = P_GetNextSector((Line*) ptr, params->baseSec);
float lightLevel;
if(!other)
return false; // Continue iteration.
lightLevel = P_GetFloatp(other, DMU_LIGHT_LEVEL);
if(params->flags & FELLF_MIN)
{
if(lightLevel < params->val)
{
params->val = lightLevel;
params->foundSec = other;
if(params->val <= 0)
return true; // Stop iteration. Can't get any darker.
}
}
else if(lightLevel > params->val)
{
params->val = lightLevel;
params->foundSec = other;
if(params->val >= 1)
return true; // Stop iteration. Can't get any brighter.
}
return false; // Continue iteration.
}
void EV_TurnTagLightsOff(linedef_t *line)
{
int j;
float min;
float lightlevel;
sector_t *sec = NULL, *tsec;
linedef_t *other;
iterlist_t *list;
list = P_GetSectorIterListForTag(P_ToXLine(line)->tag, false);
if(!list)
return;
P_IterListResetIterator(list, true);
while((sec = P_IterListIterator(list)) != NULL)
{
min = P_GetFloatp(sec, DMU_LIGHT_LEVEL);
for(j = 0; j < P_GetIntp(sec, DMU_LINEDEF_COUNT); ++j)
{
other = P_GetPtrp(sec, DMU_LINEDEF_OF_SECTOR | j);
tsec = P_GetNextSector(other, sec);
if(!tsec)
continue;
lightlevel = P_GetFloatp(tsec, DMU_LIGHT_LEVEL);
if(lightlevel < min)
min = lightlevel;
}
P_SetFloatp(sec, DMU_LIGHT_LEVEL, min);
}
}
static int findLightSequenceStartSector(void *p, void *context)
{
Line *li = (Line *) p;
findlightsequencestartsectorparams_t *params = (findlightsequencestartsectorparams_t *) context;
if(Sector *sector = P_GetNextSector(li, params->sec))
{
if(P_ToXSector(sector)->special == LIGHT_SEQUENCE_START)
{
params->nextSec = sector;
}
}
return false; // Continue iteration.
}
static int findLightSequenceSector(void *p, void *context)
{
Line *li = (Line *) p;
findlightsequencesectorparams_t *params = (findlightsequencesectorparams_t *) context;
Sector *tempSec = P_GetNextSector(li, params->sec);
if(tempSec)
{
if(P_ToXSector(tempSec)->special == params->seqSpecial)
{
if(params->seqSpecial == LIGHT_SEQUENCE)
params->seqSpecial = LIGHT_SEQUENCE_ALT;
else
params->seqSpecial = LIGHT_SEQUENCE;
params->nextSec = tempSec;
params->count++;
}
}
return false; // Continue iteration.
}
void EV_LightTurnOn(linedef_t *line, float max)
{
int j;
float lightlevel;
sector_t *sec = NULL, *tsec;
linedef_t *tline;
iterlist_t *list;
list = P_GetSectorIterListForTag(P_ToXLine(line)->tag, false);
if(!list)
return;
P_IterListResetIterator(list, true);
while((sec = P_IterListIterator(list)) != NULL)
{
// max = 0 means to search
// for highest light level
// surrounding sector
if(!max)
{
for(j = 0; j < P_GetIntp(sec, DMU_LINEDEF_COUNT); ++j)
{
tline = P_GetPtrp(sec, DMU_LINEDEF_OF_SECTOR | j);
tsec = P_GetNextSector(tline, sec);
if(!tsec)
continue;
lightlevel = P_GetFloatp(tsec, DMU_LIGHT_LEVEL);
if(lightlevel > max)
max = lightlevel;
}
}
P_SetFloatp(sec, DMU_LIGHT_LEVEL, max);
}
}
