/*
-------------------------
NPC_CheckSoundEvents
-------------------------
*/
static int G_CheckSoundEvents( gentity_t *self, float maxHearDist, int ignoreAlert, qboolean mustHaveOwner, int minAlertLevel )
{
int bestEvent = -1;
int bestAlert = -1;
int bestTime = -1;
int i;
float dist, radius;
maxHearDist *= maxHearDist;
for ( i = 0; i < level.numAlertEvents; i++ )
{
//are we purposely ignoring this alert?
if ( i == ignoreAlert )
continue;
//We're only concerned about sounds
if ( level.alertEvents[i].type != AET_SOUND )
continue;
//must be at least this noticable
if ( level.alertEvents[i].level < minAlertLevel )
continue;
//must have an owner?
if ( mustHaveOwner && !level.alertEvents[i].owner )
continue;
//Must be within range
dist = DistanceSquared( level.alertEvents[i].position, self->r.currentOrigin );
//can't hear it
if ( dist > maxHearDist )
continue;
radius = level.alertEvents[i].radius * level.alertEvents[i].radius;
if ( dist > radius )
continue;
if ( level.alertEvents[i].addLight )
{//a quiet sound, must have LOS to hear it
if ( G_ClearLOS5( self, level.alertEvents[i].position ) == qfalse )
{//no LOS, didn't hear it
continue;
}
}
//See if this one takes precedence over the previous one
if ( level.alertEvents[i].level >= bestAlert //higher alert level
|| (level.alertEvents[i].level==bestAlert&&level.alertEvents[i].timestamp >= bestTime) )//same alert level, but this one is newer
{//NOTE: equal is better because it's later in the array
bestEvent = i;
bestAlert = level.alertEvents[i].level;
bestTime = level.alertEvents[i].timestamp;
}
}
return bestEvent;
}
/*
-------------------------
NPC_CheckSightEvents
-------------------------
*/
static int G_CheckSightEvents( gentity_t *self, int hFOV, int vFOV, float maxSeeDist, int ignoreAlert, qboolean mustHaveOwner, int minAlertLevel )
{
int bestEvent = -1;
int bestAlert = -1;
int bestTime = -1;
int i;
float dist, radius;
maxSeeDist *= maxSeeDist;
for ( i = 0; i < level.numAlertEvents; i++ )
{
//are we purposely ignoring this alert?
if ( i == ignoreAlert )
continue;
//We're only concerned about sounds
if ( level.alertEvents[i].type != AET_SIGHT )
continue;
//must be at least this noticable
if ( level.alertEvents[i].level < minAlertLevel )
continue;
//must have an owner?
if ( mustHaveOwner && !level.alertEvents[i].owner )
continue;
//Must be within range
dist = DistanceSquared( level.alertEvents[i].position, self->r.currentOrigin );
//can't see it
if ( dist > maxSeeDist )
continue;
radius = level.alertEvents[i].radius * level.alertEvents[i].radius;
if ( dist > radius )
continue;
//Must be visible
if ( InFOV2( level.alertEvents[i].position, self, hFOV, vFOV ) == qfalse )
continue;
if ( G_ClearLOS5( self, level.alertEvents[i].position ) == qfalse )
continue;
//FIXME: possibly have the light level at this point affect the
// visibility/alert level of this event? Would also
// need to take into account how bright the event
// itself is. A lightsaber would stand out more
// in the dark... maybe pass in a light level that
// is added to the actual light level at this position?
//See if this one takes precedence over the previous one
if ( level.alertEvents[i].level >= bestAlert //higher alert level
|| (level.alertEvents[i].level==bestAlert&&level.alertEvents[i].timestamp >= bestTime) )//same alert level, but this one is newer
{//NOTE: equal is better because it's later in the array
bestEvent = i;
bestAlert = level.alertEvents[i].level;
bestTime = level.alertEvents[i].timestamp;
}
}
return bestEvent;
}
qboolean NPC_ClearLOS5( const vec3_t end )
{
return G_ClearLOS5( NPC, end );
}
