void CWeaponDrainGrenade::Explode( CBaseCombatCharacter* pAttacker,
CBaseEntity* pInflictor,
CBaseEntity* pIgnore,
Vector vecPosition,
float flDamage,
float flRadius,
float flDrainFocus )
{
#if !defined( CLIENT_DLL )
//CSoundEnt::InsertSound ( SOUND_COMBAT, vecPosition, 1024, 3.0 );
CTakeDamageInfo info;
info.CFSet( pInflictor, pAttacker, vec3_origin, vecPosition, flDamage, DMG_BLAST, WEAPON_NONE, &vecPosition, false );
info.SetDrainFocus( flDrainFocus );
DispatchParticleEffect("grenade_explosion", vecPosition, vec3_angle, pIgnore);
//TODO: Figure out sound.
CPASAttenuationFilter filter( this );
filter.UsePredictionRules();
EmitSound( filter, entindex(), "Numen.FireAoE" );
//CSoundEnt::InsertSound ( SOUND_COMBAT, GetAbsOrigin(), BASEGRENADE_EXPLOSION_VOLUME, 3.0 );
RadiusDamage( info, vecPosition, flRadius );
#endif //!defined( CLIENT_DLL )
}
void CWeaponDrainGrenade::RadiusDamage( const CTakeDamageInfo &inputInfo, const Vector &vecSrcIn, float flRadius )
{
CTakeDamageInfo info = inputInfo;
CBaseEntity *pEntity = NULL;
trace_t tr;
float flAdjustedDamage, falloff;
Vector vecSpot;
Vector vecToTarget;
Vector vecEndPos;
Vector vecSrc = vecSrcIn;
if ( flRadius )
falloff = info.GetDamage() / flRadius;
else
falloff = 1.0;
int bInWater = (UTIL_PointContents ( vecSrc ) & MASK_WATER) ? true : false;
vecSrc.z += 1;// in case grenade is lying on the ground
// iterate on all entities in the vicinity.
for ( CEntitySphereQuery sphere( vecSrc, flRadius ); ( pEntity = sphere.GetCurrentEntity() ) != NULL; sphere.NextEntity() )
{
if (!pEntity || !ToCFPlayer(pEntity))
continue;
// Don't drain teammates.
if (CFGameRules()->PlayerRelationship(GetThrower(), pEntity) == GR_TEAMMATE && ToCFPlayer(pEntity) != ToCFPlayer(GetThrower()))
continue;
if ( !pEntity->IsAlive() )
continue;
if ( pEntity->m_takedamage != DAMAGE_NO )
{
// blast's don't tavel into or out of water
if (bInWater && pEntity->GetWaterLevel() == 0)
continue;
if (!bInWater && pEntity->GetWaterLevel() == 3)
continue;
// radius damage can only be blocked by the world
vecSpot = pEntity->BodyTarget( vecSrc );
bool bHit = false;
UTIL_TraceLine( vecSrc, vecSpot, MASK_SOLID_BRUSHONLY, info.GetInflictor(), COLLISION_GROUP_NONE, &tr );
if (tr.startsolid)
{
// if we're stuck inside them, fixup the position and distance
tr.endpos = vecSrc;
tr.fraction = 0.0;
}
vecEndPos = tr.endpos;
if( tr.fraction == 1.0 || tr.m_pEnt == pEntity )
{
bHit = true;
}
if ( bHit )
{
// the explosion can 'see' this entity, so hurt them!
vecToTarget = ( vecEndPos - vecSrc );
// decrease damage for an ent that's farther from the blast's center.
flAdjustedDamage = vecToTarget.Length() * falloff;
flAdjustedDamage = info.GetDrainFocus() - flAdjustedDamage;
if ( flAdjustedDamage > 0 )
{
CTakeDamageInfo adjustedInfo = info;
adjustedInfo.SetDrainFocus( flAdjustedDamage );
Vector dir = vecToTarget;
VectorNormalize( dir );
// If we don't have a damage force, manufacture one
if ( adjustedInfo.GetDamagePosition() == vec3_origin || adjustedInfo.GetDamageForce() == vec3_origin )
{
CalculateExplosiveDamageForce( &adjustedInfo, dir, vecSrc, 1.5 /* explosion scale! */ );
}
else
{
// Assume the force passed in is the maximum force. Decay it based on falloff.
float flForce = adjustedInfo.GetDamageForce().Length() * falloff;
adjustedInfo.SetDamageForce( dir * flForce );
adjustedInfo.SetDamagePosition( vecSrc );
}
float flFocusDrained = adjustedInfo.GetDrainFocus();
float& flFocus = ToCFPlayer(pEntity)->m_pStats->m_flFocus.GetForModify();
if (flFocus > cf_minfocusdrain.GetFloat())
flFocus -= flFocusDrained;
if (flFocus < cf_minfocusdrain.GetFloat())
flFocus = cf_minfocusdrain.GetFloat();
CEffectData data;
data.m_nHitBox = GetParticleSystemIndex( "grenade_drained" );
data.m_vOrigin = ToCFPlayer(pEntity)->GetCentroid();
data.m_vStart = vecSrc;
data.m_vAngles = QAngle(0,0,0);
data.m_nEntIndex = pEntity->entindex();
data.m_fFlags |= PARTICLE_DISPATCH_FROM_ENTITY;
data.m_nDamageType = PATTACH_CUSTOMORIGIN;
DispatchEffect( "ParticleEffect", data );
// Now hit all triggers along the way that respond to damage...
pEntity->TraceAttackToTriggers( adjustedInfo, vecSrc, vecEndPos, dir );
}
}
}
}
}