//Called from PhysicsSimulate() or ReceiveMessage()
bool CDHLProjectile::OnTouch( trace_t &touchtr, bool bDecalOnly /*= false*/, ITraceFilter* pTraceFilter /*= NULL*/ )
{
//Direction
Vector vecDir = touchtr.endpos - touchtr.startpos;
if ( vecDir == vec3_origin ) //Sometimes endpos==startpos so we need to get dir from velocity instead
{
#ifdef CLIENT_DLL
vecDir = GetLocalVelocity();
#else
vecDir = m_vecCurVelocity;
#endif
VectorNormalize( vecDir );
}
CBaseEntity* ent = touchtr.m_pEnt;
if ( !ent )
return false;
if ( touchtr.DidHit() )
{
//Never collide with self, shooter, or other projectiles
if ( ent == this || dynamic_cast<CDHLProjectile*>(ent)
|| ent == (CBaseEntity*)m_pShooter )
//|| ( (m_iType == DHL_PROJECTILE_TYPE_COMBATKNIFE) && (ent == m_pFiringWeapon) ) ) //Combat knife - don't collide with weapon ent
return false;
//Hack: Sometimes hits are registered prematurely (usually to the torso area) with no hitbox. Pretend nothing happened unless one is found.
if ( ent->IsPlayer() && touchtr.hitgroup == 0 )
return false;
//Check friendly fire
if ( CheckFriendlyFire( ent ) )
{
if ( !bDecalOnly )
{
ClearMultiDamage();
//Do damage
CTakeDamageInfo dmgInfo( this, GetOwnerEntity(), m_iDamage, DMG_BULLET );
if ( m_iType == DHL_PROJECTILE_TYPE_COMBATKNIFE )
{
//CalculateMeleeDamageForce( &dmgInfo, vecDir, touchtr.endpos, 0.01f );
Vector vecForce = vecDir;
VectorNormalize( vecForce );
//vecForce *= 10.0f; //Ripped from C_ClientRagdoll::ImpactTrace
dmgInfo.SetDamageForce( vecForce );
#ifndef CLIENT_DLL
if ( IsOnFire() )
{
CBaseAnimating* pBAnim = dynamic_cast<CBaseAnimating*>(ent);
if ( pBAnim )
pBAnim->Ignite( 10.0f, false );
}
#endif
}
else
CalculateBulletDamageForce( &dmgInfo, m_iAmmoType, vecDir, touchtr.endpos, 1.0f );
dmgInfo.SetDamagePosition( touchtr.endpos );
ent->DispatchTraceAttack( dmgInfo, vecDir, &touchtr );
ApplyMultiDamage();
}
#ifdef CLIENT_DLL
if ( ent->GetCollisionGroup() == COLLISION_GROUP_BREAKABLE_GLASS )
return false;
//Decals and such
if ( !( touchtr.surface.flags & SURF_SKY ) && !touchtr.allsolid )
{
IPredictionSystem::SuppressEvents( false );
if ( (m_iType == DHL_PROJECTILE_TYPE_BULLET || m_iType == DHL_PROJECTILE_TYPE_PELLET) )
{
UTIL_ImpactTrace( &touchtr, DMG_BULLET );
}
if ( m_iType == DHL_PROJECTILE_TYPE_COMBATKNIFE )
PlayImpactSound( touchtr.m_pEnt, touchtr, touchtr.endpos, touchtr.surface.surfaceProps );
IPredictionSystem::SuppressEvents( !prediction->IsFirstTimePredicted() );
}
#endif
}
if ( pTraceFilter && m_iType != DHL_PROJECTILE_TYPE_COMBATKNIFE )
{
PenetrationData_t nPenetrationData = DHLShared::TestPenetration( touchtr, m_pShooter, pTraceFilter,
m_iTimesPenetrated, m_flDistanceTravelled, m_iAmmoType );
if ( nPenetrationData.m_bShouldPenetrate )
{
m_flDistanceTravelled += GetLocalOrigin().DistTo( nPenetrationData.m_vecNewBulletPos );
MoveProjectileToPosition( nPenetrationData.m_vecNewBulletPos );
m_iTimesPenetrated++;
return true; //Keep going - but don't do anything else in this frame of PhysicsSimulate()
}
}
//We're done unless what we hit was breakable glass
if ( ent->GetCollisionGroup() != COLLISION_GROUP_BREAKABLE_GLASS )
{
#ifdef CLIENT_DLL
m_bCollided = true;
AddEffects( EF_NODRAW );
if ( m_pTrail ) //NULL pointer here sometimes somehow...
m_pTrail->AddEffects( EF_NODRAW );
#else
EntityMessageBegin( this );
WRITE_BYTE( MSG_NOTIFY_REMOVAL );
MessageEnd();
if ( touchtr.DidHitWorld() && m_iType == DHL_PROJECTILE_TYPE_COMBATKNIFE && !( touchtr.surface.flags & SURF_SKY ) )
{
CBaseCombatWeapon* pKnifeEnt = assert_cast<CBaseCombatWeapon*>(CreateEntityByName( "weapon_combatknife" ));
if ( pKnifeEnt )
{
pKnifeEnt->AddSpawnFlags( SF_NORESPAWN ); //Needed for weapon spawn & VPhysics setup to work correctly
pKnifeEnt->SetAbsOrigin( touchtr.endpos );
QAngle angles = vec3_angle;
Vector vecKnifeDir = touchtr.startpos - touchtr.endpos;
VectorAngles( vecKnifeDir, angles );
angles[PITCH] -= 15.0f; //Correct for the .mdl being offset a bit
pKnifeEnt->SetLocalAngles( angles );
DispatchSpawn( pKnifeEnt );
//Spawns vphys object and sets it up, essentially a copy of CWeaponHL2MPBase::FallInit()
pKnifeEnt->VPhysicsDestroyObject();
//Using SOLID_VPHYSICS instead of SOLID_BBOX (as ordinary weapons do) helps resolve some of the client side collision oddities
Assert( pKnifeEnt->VPhysicsInitNormal( SOLID_VPHYSICS, FSOLID_NOT_STANDABLE | FSOLID_TRIGGER, true ) );
pKnifeEnt->SetPickupTouch(); //Sets up automagic removal after time
IPhysicsObject* pKnifePhys = pKnifeEnt->VPhysicsGetObject();
if ( pKnifePhys )
{
//Knives are solid to bullets...the only way to make them non-solid to bullets is to do SetSolid( SOLID_NONE ) or AddSolidFlags( FSOLID_NOT_SOLID )
//which breaks the +use pickup even with FSOLID_TRIGGER set. Let's just call it a feature :)
pKnifePhys->EnableMotion( false );
pKnifePhys->EnableCollisions( false );
}
if ( IsOnFire() )
pKnifeEnt->Ignite( 10.0f, false );
}
}
//SetThink( &CDHLProjectile::SUB_Remove );
//SetNextThink( gpGlobals->curtime + 0.1 );
//SUB_Remove();
//SetMoveType( MOVETYPE_NONE );
m_flRemoveAt = gpGlobals->curtime + 0.1f; //Give the notification message a head start so that the client will have time to react
#endif
}
}
return true;
}
