bool CAI_PlaneSolver::IsSegmentBlockedByGlobalObstacles( const Vector &vecStart, const Vector &vecEnd )
{
for ( int i = s_GlobalObstacles.Head(); i != s_GlobalObstacles.InvalidIndex(); i = s_GlobalObstacles.Next( i ) )
{
const CircleObstacles_t& obstacle = s_GlobalObstacles[i];
if ( obstacle.type == AIMST_MOVE )
continue;
const Vector &vecObstacle = obstacle.center;
float flDistSqr = CalcDistanceSqrToLineSegment( vecObstacle, vecStart, vecEnd );
if ( flDistSqr < obstacle.radius * obstacle.radius )
return true;
}
return false;
}
void FX_TracerSound( const Vector &start, const Vector &end, int iTracerType )
{
const char *pszSoundName = NULL;
float flWhizDist = TRACER_MAX_HEAR_DIST;
float flMinWhizTime = TRACER_SOUND_TIME_MIN;
float flMaxWhizTime = TRACER_SOUND_TIME_MAX;
Vector vecListenOrigin = MainViewOrigin();
switch( iTracerType )
{
case TRACER_TYPE_DEFAULT:
{
pszSoundName = "Bullets.DefaultNearmiss";
flWhizDist = 24;
Ray_t bullet, listener;
bullet.Init( start, end );
Vector vecLower = vecListenOrigin;
vecLower.z -= LISTENER_HEIGHT;
listener.Init( vecListenOrigin, vecLower );
float s, t;
IntersectRayWithRay( bullet, listener, s, t );
t = clamp( t, 0, 1 );
vecListenOrigin.z -= t * LISTENER_HEIGHT;
}
break;
case TRACER_TYPE_GUNSHIP:
pszSoundName = "Bullets.GunshipNearmiss";
break;
case TRACER_TYPE_STRIDER:
pszSoundName = "Bullets.StriderNearmiss";
break;
case TRACER_TYPE_WATERBULLET:
pszSoundName = "Underwater.BulletImpact";
flWhizDist = 48;
flMinWhizTime = 0.3f;
flMaxWhizTime = 0.6f;
break;
default:
return;
}
if( !pszSoundName )
return;
// Is it time yet?
float dt = g_BulletWhiz.m_nextWhizTime - gpGlobals->curtime;
if ( dt > 0 )
return;
// Did the thing pass close enough to our head?
float vDist = CalcDistanceSqrToLineSegment( vecListenOrigin, start, end );
if ( vDist >= (flWhizDist * flWhizDist) )
return;
CSoundParameters params;
if( C_BaseEntity::GetParametersForSound( pszSoundName, params, NULL ) )
{
// Get shot direction
Vector shotDir;
VectorSubtract( end, start, shotDir );
VectorNormalize( shotDir );
CLocalPlayerFilter filter;
enginesound->EmitSound( filter, SOUND_FROM_WORLD, CHAN_STATIC, params.soundname,
params.volume, SNDLVL_TO_ATTN(params.soundlevel), 0, params.pitch, &start, &shotDir, false);
}
// FIXME: This has a bad behavior when both bullet + strider shots are whizzing by at the same time
// Could use different timers for the different types.
// Don't play another bullet whiz for this client until this time has run out
g_BulletWhiz.m_nextWhizTime = gpGlobals->curtime + random->RandomFloat( flMinWhizTime, flMaxWhizTime );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void FX_TFTracerSound( const Vector &start, const Vector &end, int iTracerType )
{
// don't play on very short hits
if ( ( start - end ).Length() < 200 )
return;
const char *pszSoundName = "Bullets.DefaultNearmiss";
float flWhizDist = 64;
Vector vecListenOrigin = MainViewOrigin();
switch( iTracerType )
{
case TRACER_TYPE_DEFAULT:
flWhizDist = 96;
// fall through !
default:
{
Ray_t bullet, listener;
bullet.Init( start, end );
Vector vecLower = vecListenOrigin;
vecLower.z -= LISTENER_HEIGHT;
listener.Init( vecListenOrigin, vecLower );
float s, t;
IntersectRayWithRay( bullet, listener, s, t );
t = clamp( t, 0, 1 );
vecListenOrigin.z -= t * LISTENER_HEIGHT;
}
break;
}
static float flNextWhizTime = 0;
// Is it time yet?
float dt = flNextWhizTime - gpGlobals->curtime;
if ( dt > 0 )
return;
// Did the thing pass close enough to our head?
float vDist = CalcDistanceSqrToLineSegment( vecListenOrigin, start, end );
if ( vDist >= (flWhizDist * flWhizDist) )
return;
CSoundParameters params;
if( C_BaseEntity::GetParametersForSound( pszSoundName, params, NULL ) )
{
// Get shot direction
Vector shotDir;
VectorSubtract( end, start, shotDir );
VectorNormalize( shotDir );
CLocalPlayerFilter filter;
enginesound->EmitSound( filter, SOUND_FROM_WORLD, CHAN_STATIC, params.soundname,
params.volume, SNDLVL_TO_ATTN(params.soundlevel), 0, params.pitch, 0, &start, &shotDir, false);
}
// Don't play another bullet whiz for this client until this time has run out
flNextWhizTime = gpGlobals->curtime + 0.1f;
}