//-----------------------------------------------------------------------------
// Purpose: Allows us to take damage from physics objects
//-----------------------------------------------------------------------------
void CBreakable::VPhysicsCollision( int index, gamevcollisionevent_t *pEvent )
{
BaseClass::VPhysicsCollision( index, pEvent );
Vector damagePos;
pEvent->pInternalData->GetContactPoint( damagePos );
Vector damageForce = pEvent->postVelocity[index] * pEvent->pObjects[index]->GetMass();
if ( damageForce == vec3_origin )
{
// This can happen if this entity is a func_breakable, and can't move.
// Use the velocity of the entity that hit us instead.
damageForce = pEvent->postVelocity[!index] * pEvent->pObjects[!index]->GetMass();
}
// If we're supposed to explode on collision, do so
if ( HasSpawnFlags( SF_BREAK_PHYSICS_BREAK_IMMEDIATELY ) )
{
// We're toast
m_bTookPhysicsDamage = true;
CBaseEntity *pHitEntity = pEvent->pEntities[!index];
// HACKHACK: Reset mass to get correct collision response for the object breaking this glass
if ( m_Material == matGlass )
{
pEvent->pObjects[index]->SetMass( 2.0f );
}
CTakeDamageInfo dmgInfo( pHitEntity, pHitEntity, damageForce, damagePos, (m_iHealth + 1), DMG_CRUSH );
PhysCallbackDamage( this, dmgInfo, *pEvent, index );
}
else if ( !HasSpawnFlags( SF_BREAK_DONT_TAKE_PHYSICS_DAMAGE ) )
{
int otherIndex = !index;
CBaseEntity *pOther = pEvent->pEntities[otherIndex];
// We're to take normal damage from this
int damageType;
IBreakableWithPropData *pBreakableInterface = assert_cast<IBreakableWithPropData*>(this);
float damage = CalculateDefaultPhysicsDamage( index, pEvent, m_impactEnergyScale, true, damageType, pBreakableInterface->GetPhysicsDamageTable() );
if ( damage > 0 )
{
// HACKHACK: Reset mass to get correct collision response for the object breaking this glass
if ( m_Material == matGlass )
{
pEvent->pObjects[index]->SetMass( 2.0f );
}
CTakeDamageInfo dmgInfo( pOther, pOther, damageForce, damagePos, damage, damageType );
PhysCallbackDamage( this, dmgInfo, *pEvent, index );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : index -
// *pEvent -
//-----------------------------------------------------------------------------
void CGrubNugget::VPhysicsCollision( int index, gamevcollisionevent_t *pEvent )
{
int damageType;
float damage = CalculateDefaultPhysicsDamage( index, pEvent, 1.0f, true, damageType );
if ( damage > 5.0f )
{
CBaseEntity *pHitEntity = pEvent->pEntities[!index];
if ( pHitEntity == NULL )
{
// hit world
pHitEntity = GetContainingEntity( INDEXENT(0) );
}
Vector damagePos;
pEvent->pInternalData->GetContactPoint( damagePos );
Vector damageForce = pEvent->postVelocity[index] * pEvent->pObjects[index]->GetMass();
if ( damageForce == vec3_origin )
{
// This can happen if this entity is motion disabled, and can't move.
// Use the velocity of the entity that hit us instead.
damageForce = pEvent->postVelocity[!index] * pEvent->pObjects[!index]->GetMass();
}
// FIXME: this doesn't pass in who is responsible if some other entity "caused" this collision
PhysCallbackDamage( this, CTakeDamageInfo( pHitEntity, pHitEntity, damageForce, damagePos, damage, damageType ), *pEvent, index );
}
BaseClass::VPhysicsCollision( index, pEvent );
}
void CBreakableSurface::VPhysicsCollision( int index, gamevcollisionevent_t *pEvent )
{
if ( !m_bIsBroken )
{
int damageType = 0;
string_t iszDamageTable = ( ( m_nSurfaceType == SHATTERSURFACE_GLASS ) ? ( "glass" ) : ( NULL_STRING ) );
bool bDamageFromHeldObjects = ( ( m_spawnflags & SF_BREAKABLESURF_DAMAGE_FROM_HELD_OBJECTS ) != 0 );
float damage = CalculateDefaultPhysicsDamage( index, pEvent, 1.0, false, damageType, iszDamageTable, bDamageFromHeldObjects );
if ( damage > 10 )
{
// HACKHACK: Reset mass to get correct collision response for the object breaking this
pEvent->pObjects[index]->SetMass( 2.0f );
Vector normal, damagePos;
pEvent->pInternalData->GetSurfaceNormal( normal );
if ( index == 0 )
{
normal *= -1.0f;
}
pEvent->pInternalData->GetContactPoint( damagePos );
int otherIndex = !index;
CBaseEntity *pInflictor = pEvent->pEntities[otherIndex];
CTakeDamageInfo info( pInflictor, pInflictor, normal, damagePos, damage, damageType );
PhysCallbackDamage( this, info, *pEvent, index );
}
else if ( damage > 0 )
{
if ( m_spawnflags & SF_BREAKABLESURF_CRACK_DECALS )
{
Vector normal, damagePos;
pEvent->pInternalData->GetSurfaceNormal( normal );
if ( index == 0 )
{
normal *= -1.0f;
}
pEvent->pInternalData->GetContactPoint( damagePos );
trace_t tr;
UTIL_TraceLine ( damagePos - normal, damagePos + normal, MASK_SOLID_BRUSHONLY, NULL, COLLISION_GROUP_NONE, &tr );
// Only place decals and draw effects if we hit something valid
if ( tr.m_pEnt && tr.m_pEnt == this )
{
// Build the impact data
CEffectData data;
data.m_vOrigin = tr.endpos;
data.m_vStart = tr.startpos;
data.m_nSurfaceProp = tr.surface.surfaceProps;
data.m_nDamageType = DMG_CLUB;
data.m_nHitBox = tr.hitbox;
data.m_nEntIndex = entindex();
// Send it on its way
DispatchEffect( "Impact", data );
}
}
}
}
BaseClass::VPhysicsCollision( index, pEvent );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CRagdollProp::VPhysicsCollision( int index, gamevcollisionevent_t *pEvent )
{
BaseClass::VPhysicsCollision( index, pEvent );
CBaseEntity *pHitEntity = pEvent->pEntities[!index];
if ( pHitEntity == this )
return;
// Don't take physics damage from whoever's holding him with the physcannon.
if ( VPhysicsGetObject() && (VPhysicsGetObject()->GetGameFlags() & FVPHYSICS_PLAYER_HELD) )
{
if ( pHitEntity && (pHitEntity == HasPhysicsAttacker( FLT_MAX )) )
return;
}
// Don't bother taking damage from the physics attacker
if ( pHitEntity && HasPhysicsAttacker( 0.5f ) == pHitEntity )
return;
if( m_bFirstCollisionAfterLaunch )
{
HandleFirstCollisionInteractions( index, pEvent );
}
if ( m_takedamage != DAMAGE_NO )
{
int damageType = 0;
float damage = CalculateDefaultPhysicsDamage( index, pEvent, 1.0f, true, damageType );
if ( damage > 0 )
{
// Take extra damage after we're punted by the physcannon
if ( m_bFirstCollisionAfterLaunch )
{
damage *= 10;
}
CBaseEntity *pHitEntity = pEvent->pEntities[!index];
if ( !pHitEntity )
{
// hit world
pHitEntity = GetContainingEntity( INDEXENT(0) );
}
Vector damagePos;
pEvent->pInternalData->GetContactPoint( damagePos );
Vector damageForce = pEvent->postVelocity[index] * pEvent->pObjects[index]->GetMass();
if ( damageForce == vec3_origin )
{
// This can happen if this entity is motion disabled, and can't move.
// Use the velocity of the entity that hit us instead.
damageForce = pEvent->postVelocity[!index] * pEvent->pObjects[!index]->GetMass();
}
// FIXME: this doesn't pass in who is responsible if some other entity "caused" this collision
PhysCallbackDamage( this, CTakeDamageInfo( pHitEntity, pHitEntity, damageForce, damagePos, damage, damageType ), *pEvent, index );
}
}
if ( m_bFirstCollisionAfterLaunch )
{
// Setup the think function to remove the flags
SetThink( &CRagdollProp::ClearFlagsThink );
SetNextThink( gpGlobals->curtime );
}
}
