void CGameRules::RadiusDamage( const CTakeDamageInfo &info, const Vector &vecSrcIn, float flRadius, int iClassIgnore, CBaseEntity *pEntityIgnore )
{
const int MASK_RADIUS_DAMAGE = MASK_SHOT&(~CONTENTS_HITBOX);
CBaseEntity *pEntity = NULL;
trace_t tr;
float flAdjustedDamage, falloff;
Vector vecSpot;
Vector vecSrc = vecSrcIn;
if ( flRadius )
falloff = info.GetDamage() / flRadius;
else
falloff = 1.0;
int bInWater = (UTIL_PointContents ( vecSrc ) & MASK_WATER) ? true : false;
#ifdef HL2_DLL
if( bInWater )
{
// Only muffle the explosion if deeper than 2 feet in water.
if( !(UTIL_PointContents(vecSrc + Vector(0, 0, 24)) & MASK_WATER) )
{
bInWater = false;
}
}
#endif // HL2_DLL
vecSrc.z += 1;// in case grenade is lying on the ground
float flHalfRadiusSqr = Square( flRadius / 2.0f );
// iterate on all entities in the vicinity.
for ( CEntitySphereQuery sphere( vecSrc, flRadius ); (pEntity = sphere.GetCurrentEntity()) != NULL; sphere.NextEntity() )
{
// This value is used to scale damage when the explosion is blocked by some other object.
float flBlockedDamagePercent = 0.0f;
if ( pEntity == pEntityIgnore )
continue;
if ( pEntity->m_takedamage == DAMAGE_NO )
continue;
// UNDONE: this should check a damage mask, not an ignore
if ( iClassIgnore != CLASS_NONE && pEntity->Classify() == iClassIgnore )
{// houndeyes don't hurt other houndeyes with their attack
continue;
}
// blast's don't tavel into or out of water
if (bInWater && pEntity->GetWaterLevel() == 0)
continue;
if (!bInWater && pEntity->GetWaterLevel() == 3)
continue;
// Check that the explosion can 'see' this entity.
vecSpot = pEntity->BodyTarget( vecSrc, false );
UTIL_TraceLine( vecSrc, vecSpot, MASK_RADIUS_DAMAGE, info.GetInflictor(), COLLISION_GROUP_NONE, &tr );
if( old_radius_damage.GetBool() )
{
if ( tr.fraction != 1.0 && tr.m_pEnt != pEntity )
continue;
}
else
{
if ( tr.fraction != 1.0 )
{
if ( IsExplosionTraceBlocked(&tr) )
{
if( ShouldUseRobustRadiusDamage( pEntity ) )
{
if( vecSpot.DistToSqr( vecSrc ) > flHalfRadiusSqr )
{
// Only use robust model on a target within one-half of the explosion's radius.
continue;
}
Vector vecToTarget = vecSpot - tr.endpos;
VectorNormalize( vecToTarget );
// We're going to deflect the blast along the surface that
// interrupted a trace from explosion to this target.
Vector vecUp, vecDeflect;
CrossProduct( vecToTarget, tr.plane.normal, vecUp );
CrossProduct( tr.plane.normal, vecUp, vecDeflect );
VectorNormalize( vecDeflect );
// Trace along the surface that intercepted the blast...
UTIL_TraceLine( tr.endpos, tr.endpos + vecDeflect * ROBUST_RADIUS_PROBE_DIST, MASK_RADIUS_DAMAGE, info.GetInflictor(), COLLISION_GROUP_NONE, &tr );
//NDebugOverlay::Line( tr.startpos, tr.endpos, 255, 255, 0, false, 10 );
// ...to see if there's a nearby edge that the explosion would 'spill over' if the blast were fully simulated.
UTIL_TraceLine( tr.endpos, vecSpot, MASK_RADIUS_DAMAGE, info.GetInflictor(), COLLISION_GROUP_NONE, &tr );
//NDebugOverlay::Line( tr.startpos, tr.endpos, 255, 0, 0, false, 10 );
if( tr.fraction != 1.0 && tr.DidHitWorld() )
{
// Still can't reach the target.
continue;
}
// else fall through
}
else
{
continue;
}
}
// UNDONE: Probably shouldn't let children block parents either? Or maybe those guys should set their owner if they want this behavior?
// HL2 - Dissolve damage is not reduced by interposing non-world objects
if( tr.m_pEnt && tr.m_pEnt != pEntity && tr.m_pEnt->GetOwnerEntity() != pEntity )
{
// Some entity was hit by the trace, meaning the explosion does not have clear
// line of sight to the entity that it's trying to hurt. If the world is also
// blocking, we do no damage.
CBaseEntity *pBlockingEntity = tr.m_pEnt;
//Msg( "%s may be blocked by %s...", pEntity->GetClassname(), pBlockingEntity->GetClassname() );
UTIL_TraceLine( vecSrc, vecSpot, CONTENTS_SOLID, info.GetInflictor(), COLLISION_GROUP_NONE, &tr );
if( tr.fraction != 1.0 )
{
continue;
}
// Now, if the interposing object is physics, block some explosion force based on its mass.
if( pBlockingEntity->VPhysicsGetObject() )
{
const float MASS_ABSORB_ALL_DAMAGE = 350.0f;
float flMass = pBlockingEntity->VPhysicsGetObject()->GetMass();
float scale = flMass / MASS_ABSORB_ALL_DAMAGE;
// Absorbed all the damage.
if( scale >= 1.0f )
{
continue;
}
ASSERT( scale > 0.0f );
flBlockedDamagePercent = scale;
//Msg(" Object (%s) weighing %fkg blocked %f percent of explosion damage\n", pBlockingEntity->GetClassname(), flMass, scale * 100.0f);
}
else
{
// Some object that's not the world and not physics. Generically block 25% damage
flBlockedDamagePercent = 0.25f;
}
}
}
}
// decrease damage for an ent that's farther from the bomb.
flAdjustedDamage = ( vecSrc - tr.endpos ).Length() * falloff;
flAdjustedDamage = info.GetDamage() - flAdjustedDamage;
if ( flAdjustedDamage <= 0 )
{
continue;
}
// the explosion can 'see' this entity, so hurt them!
if (tr.startsolid)
{
// if we're stuck inside them, fixup the position and distance
tr.endpos = vecSrc;
tr.fraction = 0.0;
}
CTakeDamageInfo adjustedInfo = info;
//Msg("%s: Blocked damage: %f percent (in:%f out:%f)\n", pEntity->GetClassname(), flBlockedDamagePercent * 100, flAdjustedDamage, flAdjustedDamage - (flAdjustedDamage * flBlockedDamagePercent) );
adjustedInfo.SetDamage( flAdjustedDamage - (flAdjustedDamage * flBlockedDamagePercent) );
// Now make a consideration for skill level!
if( info.GetAttacker() && info.GetAttacker()->IsPlayer() && pEntity->IsNPC() )
{
// An explosion set off by the player is harming an NPC. Adjust damage accordingly.
adjustedInfo.AdjustPlayerDamageInflictedForSkillLevel();
}
Vector dir = vecSpot - vecSrc;
VectorNormalize( dir );
// If we don't have a damage force, manufacture one
if ( adjustedInfo.GetDamagePosition() == vec3_origin || adjustedInfo.GetDamageForce() == vec3_origin )
{
if ( !( adjustedInfo.GetDamageType() & DMG_PREVENT_PHYSICS_FORCE ) )
{
CalculateExplosiveDamageForce( &adjustedInfo, dir, vecSrc );
}
}
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 );
}
if ( tr.fraction != 1.0 && pEntity == tr.m_pEnt )
{
ClearMultiDamage( );
pEntity->DispatchTraceAttack( adjustedInfo, dir, &tr );
ApplyMultiDamage();
}
else
{
pEntity->TakeDamage( adjustedInfo );
}
// Now hit all triggers along the way that respond to damage...
pEntity->TraceAttackToTriggers( adjustedInfo, vecSrc, tr.endpos, dir );
#if defined( GAME_DLL )
if ( info.GetAttacker() && info.GetAttacker()->IsPlayer() && ToBaseCombatCharacter( tr.m_pEnt ) )
{
// This is a total hack!!!
bool bIsPrimary = true;
CBasePlayer *player = ToBasePlayer( info.GetAttacker() );
CBaseCombatWeapon *pWeapon = player->GetActiveWeapon();
if ( pWeapon && FClassnameIs( pWeapon, "weapon_smg1" ) )
{
bIsPrimary = false;
}
gamestats->Event_WeaponHit( player, bIsPrimary, (pWeapon != NULL) ? player->GetActiveWeapon()->GetClassname() : "NULL", info );
}
#endif
}
}
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 );
}
}
}
}
}
// Add the ability to ignore the world trace
void CTFCGameRules::RadiusDamage( const CTakeDamageInfo &info, const Vector &vecSrcIn, float flRadius, int iClassIgnore, bool bIgnoreWorld )
{
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(); sphere.NextEntity() )
{
if ( pEntity->m_takedamage != DAMAGE_NO )
{
// UNDONE: this should check a damage mask, not an ignore
if ( iClassIgnore != CLASS_NONE && pEntity->Classify() == iClassIgnore )
{// houndeyes don't hurt other houndeyes with their attack
continue;
}
// 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;
if( bIgnoreWorld )
{
vecEndPos = vecSpot;
bHit = true;
}
else
{
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 = ( vecSrc - vecEndPos );
vecToTarget = ( vecEndPos - vecSrc );
// decrease damage for an ent that's farther from the bomb.
flAdjustedDamage = vecToTarget.Length() * falloff;
flAdjustedDamage = info.GetDamage() - flAdjustedDamage;
if ( flAdjustedDamage > 0 )
{
CTakeDamageInfo adjustedInfo = info;
adjustedInfo.SetDamage( 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 );
}
pEntity->TakeDamage( adjustedInfo );
// Now hit all triggers along the way that respond to damage...
pEntity->TraceAttackToTriggers( adjustedInfo, vecSrc, vecEndPos, dir );
}
}
}
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CRagdollProp::HandleFirstCollisionInteractions( int index, gamevcollisionevent_t *pEvent )
{
IPhysicsObject *pObj = VPhysicsGetObject();
if ( !pObj)
return;
if( HasPhysgunInteraction( "onfirstimpact", "break" ) )
{
// Looks like it's best to break by having the object damage itself.
CTakeDamageInfo info;
info.SetDamage( m_iHealth );
info.SetAttacker( this );
info.SetInflictor( this );
info.SetDamageType( DMG_GENERIC );
Vector vecPosition;
Vector vecVelocity;
VPhysicsGetObject()->GetVelocity( &vecVelocity, NULL );
VPhysicsGetObject()->GetPosition( &vecPosition, NULL );
info.SetDamageForce( vecVelocity );
info.SetDamagePosition( vecPosition );
TakeDamage( info );
return;
}
if( HasPhysgunInteraction( "onfirstimpact", "paintsplat" ) )
{
IPhysicsObject *pObj = VPhysicsGetObject();
Vector vecPos;
pObj->GetPosition( &vecPos, NULL );
trace_t tr;
UTIL_TraceLine( vecPos, vecPos + pEvent->preVelocity[0] * 1.5, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
switch( random->RandomInt( 1, 3 ) )
{
case 1:
UTIL_DecalTrace( &tr, "PaintSplatBlue" );
break;
case 2:
UTIL_DecalTrace( &tr, "PaintSplatGreen" );
break;
case 3:
UTIL_DecalTrace( &tr, "PaintSplatPink" );
break;
}
}
bool bAlienBloodSplat = HasPhysgunInteraction( "onfirstimpact", "alienbloodsplat" );
if( bAlienBloodSplat || HasPhysgunInteraction( "onfirstimpact", "bloodsplat" ) )
{
IPhysicsObject *pObj = VPhysicsGetObject();
Vector vecPos;
pObj->GetPosition( &vecPos, NULL );
trace_t tr;
UTIL_TraceLine( vecPos, vecPos + pEvent->preVelocity[0] * 1.5, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
UTIL_BloodDecalTrace( &tr, bAlienBloodSplat ? BLOOD_COLOR_GREEN : BLOOD_COLOR_RED );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropAPC2::Event_Killed( const CTakeDamageInfo &info )
{
CBasePlayer *pPlayer = m_hPlayer;
if ( pPlayer )
{
pPlayer->LeaveVehicle(); // Force exit vehicle
CBaseEntity *pAPC=this->GetBaseEntity();
CTakeDamageInfo playerinfo;
if (info.GetAttacker()==pAPC && info.GetInflictor()==pAPC) {
playerinfo.SetAttacker(pPlayer);
playerinfo.SetInflictor(pPlayer);
playerinfo.SetDamage(10000);
playerinfo.SetDamageType(DMG_BLAST);
} else {
playerinfo.SetAttacker(info.GetAttacker());
playerinfo.SetInflictor(info.GetInflictor());
playerinfo.SetDamage(10000);
playerinfo.SetDamageType(DMG_BLAST);
}
playerinfo.SetDamagePosition( pPlayer->WorldSpaceCenter() );
playerinfo.SetDamageForce( Vector(0,0,-1) );
pPlayer->TakeDamage( playerinfo );
m_hPlayer = NULL;
}
m_OnDeath.FireOutput( info.GetAttacker(), this );
Vector vecAbsMins, vecAbsMaxs;
CollisionProp()->WorldSpaceAABB( &vecAbsMins, &vecAbsMaxs );
Vector vecNormalizedMins, vecNormalizedMaxs;
CollisionProp()->WorldToNormalizedSpace( vecAbsMins, &vecNormalizedMins );
CollisionProp()->WorldToNormalizedSpace( vecAbsMaxs, &vecNormalizedMaxs );
Vector vecAbsPoint;
CPASFilter filter( GetAbsOrigin() );
for (int i = 0; i < 3; i++)
{
CollisionProp()->RandomPointInBounds( vecNormalizedMins, vecNormalizedMaxs, &vecAbsPoint );
te->Explosion( filter, random->RandomFloat( 0.0, 1.0 ), &vecAbsPoint,
g_sModelIndexFireball, random->RandomInt( 4, 10 ),
random->RandomInt( 8, 15 ),
( i < 2 ) ? TE_EXPLFLAG_NODLIGHTS : TE_EXPLFLAG_NOPARTICLES | TE_EXPLFLAG_NOFIREBALLSMOKE | TE_EXPLFLAG_NODLIGHTS,
100, 0 );
}
// TODO: make the gibs spawn in sync with the delayed explosions
//int nGibs = random->RandomInt( 1, 4 );
//for ( i = 0; i < nGibs; i++)
//{
// // Throw a flaming, smoking chunk.
// CGib *pChunk = CREATE_ENTITY( CGib, "gib" );
// pChunk->Spawn( "models/gibs/hgibs.mdl" );
// pChunk->SetBloodColor( DONT_BLEED );
// QAngle vecSpawnAngles;
// vecSpawnAngles.Random( -90, 90 );
// pChunk->SetAbsOrigin( vecAbsPoint );
// pChunk->SetAbsAngles( vecSpawnAngles );
// int nGib = random->RandomInt( 0, APC_MAX_CHUNKS - 1 );
// pChunk->Spawn( s_pChunkModelName[nGib] );
// pChunk->SetOwnerEntity( this );
// pChunk->m_lifeTime = random->RandomFloat( 6.0f, 8.0f );
// pChunk->SetCollisionGroup( COLLISION_GROUP_DEBRIS );
// IPhysicsObject *pPhysicsObject = pChunk->VPhysicsInitNormal( SOLID_VPHYSICS, pChunk->GetSolidFlags(), false );
//
// // Set the velocity
// if ( pPhysicsObject )
// {
// pPhysicsObject->EnableMotion( true );
// Vector vecVelocity;
// QAngle angles;
// angles.x = random->RandomFloat( -20, 20 );
// angles.y = random->RandomFloat( 0, 360 );
// angles.z = 0.0f;
// AngleVectors( angles, &vecVelocity );
//
// vecVelocity *= random->RandomFloat( 300, 900 );
// vecVelocity += GetAbsVelocity();
// AngularImpulse angImpulse;
// angImpulse = RandomAngularImpulse( -180, 180 );
// pChunk->SetAbsVelocity( vecVelocity );
// pPhysicsObject->SetVelocity(&vecVelocity, &angImpulse );
// }
// CEntityFlame *pFlame = CEntityFlame::Create( pChunk, false );
// if ( pFlame != NULL )
// {
// pFlame->SetLifetime( pChunk->m_lifeTime );
// }
// pChunk->Dissolve( NULL, gpGlobals->curtime, false, ENTITY_DISSOLVE_NORMAL );
//}
UTIL_ScreenShake( vecAbsPoint, 25.0, 150.0, 1.0, 750.0f, SHAKE_START );
//Ignite( 60, false );
//m_lifeState = LIFE_DYING;
// Spawn a lesser amount if the player is close
/*m_iRocketSalvoLeft = DEATH_VOLLEY_ROCKET_COUNT;
m_flRocketTime = gpGlobals->curtime;*/
CreateCorpse();
}
