void C_HL2MPRagdoll::ImpactTrace( trace_t *pTrace, int iDamageType, char *pCustomImpactName )
{
IPhysicsObject *pPhysicsObject = VPhysicsGetObject();
if( !pPhysicsObject )
return;
Vector dir = pTrace->endpos - pTrace->startpos;
if ( iDamageType == DMG_BLAST )
{
dir *= 4000; // adjust impact strenght
// apply force at object mass center
pPhysicsObject->ApplyForceCenter( dir );
}
else
{
Vector hitpos;
VectorMA( pTrace->startpos, pTrace->fraction, dir, hitpos );
VectorNormalize( dir );
dir *= 4000; // adjust impact strenght
// apply force where we hit it
pPhysicsObject->ApplyForceOffset( dir, hitpos );
// Blood spray!
// FX_CS_BloodSpray( hitpos, dir, 10 );
}
m_pRagdoll->ResetRagdollSleepAfterTime();
}
//-----------------------------------------------------------------------------------------------------
void PerformObstaclePushaway( CBaseCombatCharacter *pPushingEntity )
{
if ( pPushingEntity->m_lifeState != LIFE_ALIVE )
return;
// Give a push to any barrels that we're touching.
// The client handles adjusting our usercmd to push us away.
CBaseEntity *props[256];
#ifdef CLIENT_DLL
// if sv_pushaway_clientside is disabled, clientside phys objects don't bounce away
if ( sv_pushaway_clientside.GetInt() == 0 )
return;
// if sv_pushaway_clientside is 1, only local player can push them
CBasePlayer *pPlayer = pPushingEntity->IsPlayer() ? (dynamic_cast< CBasePlayer * >(pPushingEntity)) : NULL;
if ( (sv_pushaway_clientside.GetInt() == 1) && (!pPlayer || !pPlayer->IsLocalPlayer()) )
return;
int nEnts = GetPushawayEnts( pPushingEntity, props, ARRAYSIZE( props ), 3.0f, PARTITION_CLIENT_RESPONSIVE_EDICTS, NULL );
#else
int nEnts = GetPushawayEnts( pPushingEntity, props, ARRAYSIZE( props ), 3.0f, PARTITION_ENGINE_SOLID_EDICTS, NULL );
#endif
for ( int i=0; i < nEnts; i++ )
{
// If this entity uas PHYSICS_MULTIPLAYER_FULL set (ie: it's not just debris), and we're moving too slow, don't push it away.
// Instead, let the client bounce off it. This allows players to get close to and duck behind things without knocking them over.
IMultiplayerPhysics *pInterface = dynamic_cast<IMultiplayerPhysics*>( props[i] );
if ( pInterface && pInterface->GetMultiplayerPhysicsMode() == PHYSICS_MULTIPLAYER_SOLID )
{
if ( pPushingEntity->GetAbsVelocity().Length2D() < sv_pushaway_min_player_speed.GetFloat() )
continue;
}
IPhysicsObject *pObj = props[i]->VPhysicsGetObject();
if ( pObj )
{
Vector vPushAway = (props[i]->WorldSpaceCenter() - pPushingEntity->WorldSpaceCenter());
vPushAway.z = 0;
float flDist = VectorNormalize( vPushAway );
flDist = max( flDist, 1 );
float flForce = sv_pushaway_force.GetFloat() / flDist;
flForce = min( flForce, sv_pushaway_max_force.GetFloat() );
pObj->ApplyForceOffset( vPushAway * flForce, pPushingEntity->WorldSpaceCenter() );
}
}
}
void CBlobElement::ModifyVelocityForSurface( float flInterval, float flSpeed )
{
trace_t tr;
Vector vecStart = GetAbsOrigin();
Vector up = Vector( 0, 0, BLOB_TRACE_HEIGHT );
Vector vecWishedGoal = vecStart + (GetAbsVelocity() * flInterval);
UTIL_TraceLine( vecStart + up, vecWishedGoal + up, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
//NDebugOverlay::Line( tr.startpos, tr.endpos, 255, 0, 0, false, 0.1f );
m_bOnWall = false;
if( tr.fraction == 1.0f )
{
UTIL_TraceLine( vecWishedGoal + up, vecWishedGoal - (up * 2.0f), MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
//NDebugOverlay::Line( tr.startpos, tr.endpos, 255, 255, 0, false, 0.1f );
tr.endpos.z += MOVE_HEIGHT_EPSILON;
}
else
{
//NDebugOverlay::Cross3D( GetAbsOrigin(), 16, 255, 255, 0, false, 0.025f );
m_bOnWall = true;
if( tr.m_pEnt != NULL && !tr.m_pEnt->IsWorld() )
{
IPhysicsObject *pPhysics = tr.m_pEnt->VPhysicsGetObject();
if( pPhysics != NULL )
{
Vector vecMassCenter;
Vector vecMassCenterWorld;
vecMassCenter = pPhysics->GetMassCenterLocalSpace();
pPhysics->LocalToWorld( &vecMassCenterWorld, vecMassCenter );
if( tr.endpos.z > vecMassCenterWorld.z )
{
pPhysics->ApplyForceOffset( (-150.0f * m_flRandomEightyPercent) * tr.plane.normal, tr.endpos );
}
}
}
}
Vector vecDir = tr.endpos - vecStart;
VectorNormalize( vecDir );
SetElementVelocity( vecDir * flSpeed, false );
}
void CNPC_Hydra::Nudge( CBaseEntity *pOther, const Vector &vecContact, const Vector &vecSpeed )
{
if ( pOther->GetMoveType() != MOVETYPE_VPHYSICS )
{
return;
}
IPhysicsObject *pOtherPhysics = pOther->VPhysicsGetObject();
// Put the force on the line between the "contact point" and hit object origin
//Vector posOther;
//pOtherPhysics->GetPosition( &posOther, NULL );
// force is a 30kg object going 100 in/s
pOtherPhysics->ApplyForceOffset( vecSpeed * 30, vecContact );
}
IterationRetval_t CRagdollEnumerator::EnumElement( IHandleEntity *pHandleEntity )
{
C_BaseEntity *pEnt = ClientEntityList().GetBaseEntityFromHandle( pHandleEntity->GetRefEHandle() );
if ( pEnt == NULL )
return ITERATION_CONTINUE;
C_BaseAnimating *pModel = static_cast< C_BaseAnimating * >( pEnt );
if ( pModel == NULL )
return ITERATION_CONTINUE;
trace_t tr;
enginetrace->ClipRayToEntity( m_rayShot, MASK_SHOT, pModel, &tr );
IPhysicsObject *pPhysicsObject = pModel->VPhysicsGetObject();
if ( pPhysicsObject == NULL )
return ITERATION_CONTINUE;
if ( tr.fraction < 1.0 )
{
//Send the ragdoll the explosion force
Vector dir = m_rayShot.m_Delta;
VectorNormalize( dir );
pPhysicsObject->ApplyForceOffset( dir * m_flForce, tr.endpos );
/*
//FIXME: JDW - Can't do this until the decal references are client-side as well
int decalNumber = decalsystem->GetDecalIndexForName( GetImpactDecal( pModel, &tr, m_iDamageType ) );
if ( pModel != NULL )
{
pModel->AddDecal( m_rayShot.m_Start, tr.endpos, tr.endpos, tr.hitbox, decalNumber, true, tr );
}
*/
m_bHit = true;
//FIXME: Yes? No?
return ITERATION_STOP;
}
return ITERATION_CONTINUE;
}
void C_GENPCRagdoll::ImpactTrace( trace_t *pTrace, int iDamageType, char *pCustomImpactName )
{
static bool bInTrace = false;
if ( bInTrace )
return;
IPhysicsObject *pPhysicsObject = VPhysicsGetObject();
if( !pPhysicsObject )
return;
Vector dir = pTrace->endpos - pTrace->startpos;
if ( iDamageType == DMG_BLAST )
{
dir *= 4000; // adjust impact strength
// apply force at object mass center
pPhysicsObject->ApplyForceCenter( dir );
}
else
{
Vector hitpos;
VectorMA( pTrace->startpos, pTrace->fraction, dir, hitpos );
VectorNormalize( dir );
dir *= 4000; // adjust impact strength
// apply force where we hit it
pPhysicsObject->ApplyForceOffset( dir, hitpos );
UTIL_BloodDrips( pTrace->endpos, dir, BLOOD_COLOR_RED, 20 );
bInTrace = true; //<-- Prevent infinite recursion!
C_BaseEntity::ImpactTrace( pTrace, iDamageType, pCustomImpactName );
bInTrace = false;
}
m_pRagdoll->ResetRagdollSleepAfterTime();
}
void C_SDKRagdoll::ImpactTrace( trace_t *pTrace, int iDamageType, char *pCustomImpactName )
{
// DevMsg("C_SDKRagDoll::ImpactTrace: %i\n", iDamageType);
IPhysicsObject *pPhysicsObject = VPhysicsGetObject();
if( !pPhysicsObject )
return;
Vector dir = pTrace->endpos - pTrace->startpos;
if ( iDamageType == DMG_BLAST )
{
dir *= 4000; // adjust impact strength
// apply force at object mass center
pPhysicsObject->ApplyForceCenter( dir );
}
else
{
Vector hitpos;
VectorMA( pTrace->startpos, pTrace->fraction, dir, hitpos );
VectorNormalize( dir );
// Blood spray!
FX_BloodSpray( hitpos, dir, 3, 72, 0, 0, FX_BLOODSPRAY_ALL );
dir *= 4000; // adjust impact strenght
// apply force where we hit it
pPhysicsObject->ApplyForceOffset( dir, hitpos );
//Tony; throw in some bleeds! - just use a generic value for damage.
TraceBleed( 40, dir, pTrace, iDamageType );
}
m_pRagdoll->ResetRagdollSleepAfterTime();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pActivator -
// *pCaller -
// useType -
// value -
//-----------------------------------------------------------------------------
void CPhysImpact::InputImpact( inputdata_t &inputdata )
{
Vector dir;
trace_t trace;
AngleVectors( GetAbsAngles(), &dir );
//Setup our trace information
float dist = HasSpawnFlags( bitsPHYSIMPACT_INFINITE_LENGTH ) ? MAX_TRACE_LENGTH : m_distance;
Vector start = GetAbsOrigin();
Vector end = start + ( dir * dist );
//Trace out
UTIL_TraceLine( start, end, MASK_SHOT, this, 0, &trace );
if ( trace.fraction != 1.0 )
{
CBaseEntity *pEnt = trace.m_pEnt;
IPhysicsObject *pPhysics = pEnt->VPhysicsGetObject();
//If the entity is valid, hit it
if ( ( pEnt != NULL ) && ( pPhysics != NULL ) )
{
//Damage falls off unless specified or the ray's length is infinite
float damage = HasSpawnFlags( bitsPHYSIMPACT_NOFALLOFF | bitsPHYSIMPACT_INFINITE_LENGTH ) ?
m_damage : (m_damage * (1.0f-trace.fraction));
if ( HasSpawnFlags( bitsPHYSIMPACT_IGNORE_MASS ) )
{
damage *= pPhysics->GetMass();
}
pPhysics->ApplyForceOffset( -damage * trace.plane.normal * phys_pushscale.GetFloat(), trace.endpos );
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Handles USE keypress
//-----------------------------------------------------------------------------
void CBasePlayer::PlayerUse ( void )
{
#ifdef GAME_DLL
// Was use pressed or released?
if ( ! ((m_nButtons | m_afButtonPressed | m_afButtonReleased) & IN_USE) )
return;
if ( IsObserver() )
{
// do special use operation in oberserver mode
if ( m_afButtonPressed & IN_USE )
ObserverUse( true );
else if ( m_afButtonReleased & IN_USE )
ObserverUse( false );
return;
}
#if !defined(_XBOX)
// push objects in turbo physics mode
if ( (m_nButtons & IN_USE) && sv_turbophysics.GetBool() )
{
Vector forward, up;
EyeVectors( &forward, NULL, &up );
trace_t tr;
// Search for objects in a sphere (tests for entities that are not solid, yet still useable)
Vector searchCenter = EyePosition();
CUsePushFilter filter;
UTIL_TraceLine( searchCenter, searchCenter + forward * 96.0f, MASK_SOLID, &filter, &tr );
// try the hit entity if there is one, or the ground entity if there isn't.
CBaseEntity *entity = tr.m_pEnt;
if ( entity )
{
IPhysicsObject *pObj = entity->VPhysicsGetObject();
if ( pObj )
{
Vector vPushAway = (entity->WorldSpaceCenter() - WorldSpaceCenter());
vPushAway.z = 0;
float flDist = VectorNormalize( vPushAway );
flDist = max( flDist, 1 );
float flForce = sv_pushaway_force.GetFloat() / flDist;
flForce = min( flForce, sv_pushaway_max_force.GetFloat() );
pObj->ApplyForceOffset( vPushAway * flForce, WorldSpaceCenter() );
}
}
}
#endif
if ( m_afButtonPressed & IN_USE )
{
// Controlling some latched entity?
if ( ClearUseEntity() )
{
return;
}
else
{
if ( m_afPhysicsFlags & PFLAG_DIROVERRIDE )
{
m_afPhysicsFlags &= ~PFLAG_DIROVERRIDE;
m_iTrain = TRAIN_NEW|TRAIN_OFF;
return;
}
else
{ // Start controlling the train!
CBaseEntity *pTrain = GetGroundEntity();
if ( pTrain && !(m_nButtons & IN_JUMP) && (GetFlags() & FL_ONGROUND) && (pTrain->ObjectCaps() & FCAP_DIRECTIONAL_USE) && pTrain->OnControls(this) )
{
m_afPhysicsFlags |= PFLAG_DIROVERRIDE;
m_iTrain = TrainSpeed(pTrain->m_flSpeed, ((CFuncTrackTrain*)pTrain)->GetMaxSpeed());
m_iTrain |= TRAIN_NEW;
EmitSound( "Player.UseTrain" );
return;
}
}
}
}
CBaseEntity *pUseEntity = FindUseEntity();
// Found an object
if ( pUseEntity )
{
//!!!UNDONE: traceline here to prevent +USEing buttons through walls
int caps = pUseEntity->ObjectCaps();
variant_t emptyVariant;
if ( ( (m_nButtons & IN_USE) && (caps & FCAP_CONTINUOUS_USE) ) || ( (m_afButtonPressed & IN_USE) && (caps & (FCAP_IMPULSE_USE|FCAP_ONOFF_USE)) ) )
{
if ( caps & FCAP_CONTINUOUS_USE )
{
m_afPhysicsFlags |= PFLAG_USING;
}
if ( pUseEntity->ObjectCaps() & FCAP_ONOFF_USE )
{
pUseEntity->AcceptInput( "Use", this, this, emptyVariant, USE_ON );
}
else
{
pUseEntity->AcceptInput( "Use", this, this, emptyVariant, USE_TOGGLE );
}
}
// UNDONE: Send different USE codes for ON/OFF. Cache last ONOFF_USE object to send 'off' if you turn away
else if ( (m_afButtonReleased & IN_USE) && (pUseEntity->ObjectCaps() & FCAP_ONOFF_USE) ) // BUGBUG This is an "off" use
{
pUseEntity->AcceptInput( "Use", this, this, emptyVariant, USE_OFF );
}
}
else if ( m_afButtonPressed & IN_USE )
{
PlayUseDenySound();
}
#endif
}
void C_PhysPropClientside::ImpactTrace( trace_t *pTrace, int iDamageType, const char *pCustomImpactName )
{
VPROF( "C_PhysPropClientside::ImpactTrace" );
IPhysicsObject *pPhysicsObject = VPhysicsGetObject();
if( !pPhysicsObject )
return;
Vector dir = pTrace->endpos - pTrace->startpos;
int iDamage = 0;
if ( iDamageType == DMG_BLAST )
{
iDamage = VectorLength( dir );
dir *= 500; // adjust impact strenght
// apply force at object mass center
pPhysicsObject->ApplyForceCenter( dir );
}
else
{
Vector hitpos;
VectorMA( pTrace->startpos, pTrace->fraction, dir, hitpos );
VectorNormalize( dir );
// guess avg damage
if ( iDamageType == DMG_BULLET )
{
iDamage = 30;
}
else
{
iDamage = 50;
}
dir *= 4000; // adjust impact strenght
// apply force where we hit it
pPhysicsObject->ApplyForceOffset( dir, hitpos );
// Build the impact data
CEffectData data;
data.m_vOrigin = pTrace->endpos;
data.m_vStart = pTrace->startpos;
data.m_nSurfaceProp = pTrace->surface.surfaceProps;
data.m_nDamageType = iDamageType;
data.m_nHitBox = pTrace->hitbox;
data.m_hEntity = GetRefEHandle();
// Send it on its way
if ( !pCustomImpactName )
{
DispatchEffect( "Impact", data );
}
else
{
DispatchEffect( pCustomImpactName, data );
}
}
// Clone( dir ); // debug code
OnTakeDamage( iDamage );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CASW_PropJeep::FireChargedCannon( void )
{
bool penetrated = false;
m_bCannonCharging = false;
m_flCannonTime = gpGlobals->curtime + 0.5f;
StopChargeSound();
CPASAttenuationFilter sndFilter( this, "PropJeep.FireChargedCannon" );
EmitSound( sndFilter, entindex(), "PropJeep.FireChargedCannon" );
//Find the direction the gun is pointing in
Vector aimDir;
GetCannonAim( &aimDir );
Vector endPos = m_vecGunOrigin + ( aimDir * MAX_TRACE_LENGTH );
//Shoot a shot straight out
trace_t tr;
UTIL_TraceLine( m_vecGunOrigin, endPos, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
ClearMultiDamage();
//Find how much damage to do
float flChargeAmount = ( gpGlobals->curtime - m_flCannonChargeStartTime ) / MAX_GAUSS_CHARGE_TIME;
//Clamp this
if ( flChargeAmount > 1.0f )
{
flChargeAmount = 1.0f;
}
//Determine the damage amount
//FIXME: Use ConVars!
float flDamage = 15 + ( ( 250 - 15 ) * flChargeAmount );
CBaseEntity *pHit = tr.m_pEnt;
//Look for wall penetration
if ( tr.DidHitWorld() && !(tr.surface.flags & SURF_SKY) )
{
//Try wall penetration
UTIL_ImpactTrace( &tr, m_nBulletType, "ImpactJeep" );
UTIL_DecalTrace( &tr, "RedGlowFade" );
CPVSFilter filter( tr.endpos );
te->GaussExplosion( filter, 0.0f, tr.endpos, tr.plane.normal, 0 );
Vector testPos = tr.endpos + ( aimDir * 48.0f );
UTIL_TraceLine( testPos, tr.endpos, MASK_SHOT, GetDriver(), COLLISION_GROUP_NONE, &tr );
if ( tr.allsolid == false )
{
UTIL_DecalTrace( &tr, "RedGlowFade" );
penetrated = true;
}
}
else if ( pHit != NULL )
{
CTakeDamageInfo dmgInfo( this, GetDriver(), flDamage, DMG_SHOCK );
CalculateBulletDamageForce( &dmgInfo, GetAmmoDef()->Index("GaussEnergy"), aimDir, tr.endpos, 1.0f + flChargeAmount * 4.0f );
//Do direct damage to anything in our path
pHit->DispatchTraceAttack( dmgInfo, aimDir, &tr );
}
ApplyMultiDamage();
//Kick up an effect
if ( !(tr.surface.flags & SURF_SKY) )
{
UTIL_ImpactTrace( &tr, m_nBulletType, "ImpactJeep" );
//Do a gauss explosion
CPVSFilter filter( tr.endpos );
te->GaussExplosion( filter, 0.0f, tr.endpos, tr.plane.normal, 0 );
}
//Show the effect
DrawBeam( m_vecGunOrigin, tr.endpos, 9.6 );
// Register a muzzleflash for the AI
if ( m_hPlayer )
{
m_hPlayer->SetMuzzleFlashTime( gpGlobals->curtime + 0.5f );
}
//Rock the car
IPhysicsObject *pObj = VPhysicsGetObject();
if ( pObj != NULL )
{
Vector shoveDir = aimDir * -( flDamage * 500.0f );
pObj->ApplyForceOffset( shoveDir, m_vecGunOrigin );
}
//Do radius damage if we didn't penetrate the wall
if ( penetrated == true )
{
RadiusDamage( CTakeDamageInfo( this, this, flDamage, DMG_SHOCK ), tr.endpos, 200.0f, CLASS_NONE, NULL );
}
}