//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CItem::Spawn( void )
{
if ( g_pGameRules->IsAllowedToSpawn( this ) == false )
{
UTIL_Remove( this );
return;
}
SetMoveType( MOVETYPE_FLYGRAVITY );
SetSolid( SOLID_BBOX );
SetBlocksLOS( false );
AddEFlags( EFL_NO_ROTORWASH_PUSH );
if( IsX360() )
{
AddEffects( EF_ITEM_BLINK );
}
// This will make them not collide with the player, but will collide
// against other items + weapons
SetCollisionGroup( COLLISION_GROUP_WEAPON );
CollisionProp()->UseTriggerBounds( true, ITEM_PICKUP_BOX_BLOAT );
SetTouch(&CItem::ItemTouch);
if ( CreateItemVPhysicsObject() == false )
return;
m_takedamage = DAMAGE_EVENTS_ONLY;
#if !defined( CLIENT_DLL )
// Constrained start?
if ( HasSpawnFlags( SF_ITEM_START_CONSTRAINED ) )
{
//Constrain the weapon in place
IPhysicsObject *pReferenceObject, *pAttachedObject;
pReferenceObject = g_PhysWorldObject;
pAttachedObject = VPhysicsGetObject();
if ( pReferenceObject && pAttachedObject )
{
constraint_fixedparams_t fixed;
fixed.Defaults();
fixed.InitWithCurrentObjectState( pReferenceObject, pAttachedObject );
fixed.constraint.forceLimit = lbs2kg( 10000 );
fixed.constraint.torqueLimit = lbs2kg( 10000 );
m_pConstraint = physenv->CreateFixedConstraint( pReferenceObject, pAttachedObject, NULL, fixed );
m_pConstraint->SetGameData( (void *) this );
}
}
#endif //CLIENT_DLL
#if defined( HL2MP )
SetThink( &CItem::FallThink );
SetNextThink( gpGlobals->curtime + 0.1f );
#endif
}
//====================================================================================
// FALL TO GROUND
//====================================================================================
//-----------------------------------------------------------------------------
// Purpose: Setup for the fall
//-----------------------------------------------------------------------------
void CBaseCombatWeapon::FallInit( void )
{
SetModel( GetWorldModel() );
VPhysicsDestroyObject();
if ( !VPhysicsInitNormal( SOLID_BBOX, GetSolidFlags() | FSOLID_TRIGGER, false ) )
{
SetMoveType( MOVETYPE_FLYGRAVITY );
SetSolid( SOLID_BBOX );
AddSolidFlags( FSOLID_TRIGGER );
}
else
{
#if !defined( CLIENT_DLL )
// Constrained start?
if ( HasSpawnFlags( SF_WEAPON_START_CONSTRAINED ) )
{
//Constrain the weapon in place
IPhysicsObject *pReferenceObject, *pAttachedObject;
pReferenceObject = g_PhysWorldObject;
pAttachedObject = VPhysicsGetObject();
if ( pReferenceObject && pAttachedObject )
{
constraint_fixedparams_t fixed;
fixed.Defaults();
fixed.InitWithCurrentObjectState( pReferenceObject, pAttachedObject );
fixed.constraint.forceLimit = lbs2kg( 10000 );
fixed.constraint.torqueLimit = lbs2kg( 10000 );
m_pConstraint = physenv->CreateFixedConstraint( pReferenceObject, pAttachedObject, NULL, fixed );
m_pConstraint->SetGameData( (void *) this );
}
}
#endif //CLIENT_DLL
}
SetPickupTouch();
SetThink( &CBaseCombatWeapon::FallThink );
SetNextThink( gpGlobals->curtime + 0.1f );
}
void GetBreakParams( constraint_breakableparams_t ¶ms )
{
params.Defaults();
params.forceLimit = lbs2kg(0);
params.torqueLimit = lbs2kg(0);
}
//---------------------------------------------------------
//---------------------------------------------------------
void CBounceBomb::SettleThink()
{
SetNextThink( gpGlobals->curtime + 0.05 );
StudioFrameAdvance();
if( GetParent() )
{
// A scanner or something is carrying me. Just keep checking back.
return;
}
// Not being carried.
if( !VPhysicsGetObject() )
{
// Probably was just dropped. Get physics going.
CreateVPhysics();
if( !VPhysicsGetObject() )
{
Msg("**** Can't create vphysics for combine_mine!\n" );
UTIL_Remove( this );
return;
}
VPhysicsGetObject()->Wake();
return;
}
if( !m_bDisarmed )
{
if( VPhysicsGetObject()->IsAsleep() && !(VPhysicsGetObject()->GetGameFlags() & FVPHYSICS_PLAYER_HELD) )
{
// If i'm not resting on the world, jump randomly.
trace_t tr;
UTIL_TraceLine( GetAbsOrigin(), GetAbsOrigin() - Vector( 0, 0, 1024 ), MASK_SHOT|CONTENTS_GRATE, this, COLLISION_GROUP_NONE, &tr );
bool bHop = false;
if( tr.m_pEnt )
{
IPhysicsObject *pPhysics = tr.m_pEnt->VPhysicsGetObject();
if( pPhysics && pPhysics->GetMass() <= 1000 )
{
// Light physics objects can be moved out from under the mine.
bHop = true;
}
else if( tr.m_pEnt->m_takedamage != DAMAGE_NO )
{
// Things that can be harmed can likely be broken.
bHop = true;
}
if( bHop )
{
Vector vecForce;
vecForce.x = random->RandomFloat( -1000, 1000 );
vecForce.y = random->RandomFloat( -1000, 1000 );
vecForce.z = 2500;
AngularImpulse torque( 160, 0, 160 );
Flip( vecForce, torque );
return;
}
// Check for upside-down
Vector vecUp;
GetVectors( NULL, NULL, &vecUp );
if( vecUp.z <= 0.8 )
{
// Landed upside down. Right self
Vector vecForce( 0, 0, 2500 );
Flip( vecForce, AngularImpulse( 60, 0, 0 ) );
return;
}
}
// Check to make sure I'm not in a forbidden location
if( !IsValidLocation() )
{
return;
}
// Lock to what I'm resting on
constraint_ballsocketparams_t ballsocket;
ballsocket.Defaults();
ballsocket.constraint.Defaults();
ballsocket.constraint.forceLimit = lbs2kg(1000);
ballsocket.constraint.torqueLimit = lbs2kg(1000);
ballsocket.InitWithCurrentObjectState( g_PhysWorldObject, VPhysicsGetObject(), GetAbsOrigin() );
m_pConstraint = physenv->CreateBallsocketConstraint( g_PhysWorldObject, VPhysicsGetObject(), NULL, ballsocket );
CloseHooks();
SetMineState( MINE_STATE_ARMED );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPhysMagnet::Touch( CBaseEntity *pOther )
{
// Ignore triggers
if ( pOther->IsSolidFlagSet( FSOLID_NOT_SOLID ) )
return;
m_bHasHitSomething = true;
// Don't pickup if we're not active
if ( !m_bActive )
return;
// Hit our maximum?
if ( m_iMaxObjectsAttached && m_iMaxObjectsAttached <= GetNumAttachedObjects() )
return;
// Make sure it's made of metal
trace_t tr = GetTouchTrace();
char cTexType = TEXTURETYPE_Find( &tr );
if ( cTexType != CHAR_TEX_METAL && cTexType != CHAR_TEX_COMPUTER )
{
// See if the model is set to be metal
if ( Q_strncmp( Studio_GetDefaultSurfaceProps( GetModelPtr() ), "metal", 5 ) )
return;
}
IPhysicsObject *pPhysics = pOther->VPhysicsGetObject();
if ( pPhysics && pOther->GetMoveType() == MOVETYPE_VPHYSICS && pPhysics->IsMoveable() )
{
// Make sure we haven't already got this sucker on the magnet
int iCount = m_MagnettedEntities.Count();
for ( int i = 0; i < iCount; i++ )
{
if ( m_MagnettedEntities[i].hEntity == pOther )
return;
}
// We want to cast a long way to ensure our shadow shows up
pOther->SetShadowCastDistance( 2048 );
// Create a constraint between the magnet and this sucker
IPhysicsObject *pMagnetPhysObject = VPhysicsGetObject();
Assert( pMagnetPhysObject );
magnetted_objects_t newEntityOnMagnet;
newEntityOnMagnet.hEntity = pOther;
// Use the right constraint
if ( HasSpawnFlags( SF_MAGNET_ALLOWROTATION ) )
{
constraint_ballsocketparams_t ballsocket;
ballsocket.Defaults();
ballsocket.constraint.Defaults();
ballsocket.constraint.forceLimit = lbs2kg(m_forceLimit);
ballsocket.constraint.torqueLimit = lbs2kg(m_torqueLimit);
pMagnetPhysObject->WorldToLocal( ballsocket.constraintPosition[0], tr.endpos );
pPhysics->WorldToLocal( ballsocket.constraintPosition[1], tr.endpos );
//newEntityOnMagnet.pConstraint = physenv->CreateBallsocketConstraint( pMagnetPhysObject, pPhysics, m_pConstraintGroup, ballsocket );
newEntityOnMagnet.pConstraint = physenv->CreateBallsocketConstraint( pMagnetPhysObject, pPhysics, NULL, ballsocket );
}
else
{
constraint_fixedparams_t fixed;
fixed.Defaults();
fixed.InitWithCurrentObjectState( pMagnetPhysObject, pPhysics );
fixed.constraint.Defaults();
fixed.constraint.forceLimit = lbs2kg(m_forceLimit);
fixed.constraint.torqueLimit = lbs2kg(m_torqueLimit);
// FIXME: Use the magnet's constraint group.
//newEntityOnMagnet.pConstraint = physenv->CreateFixedConstraint( pMagnetPhysObject, pPhysics, m_pConstraintGroup, fixed );
newEntityOnMagnet.pConstraint = physenv->CreateFixedConstraint( pMagnetPhysObject, pPhysics, NULL, fixed );
}
newEntityOnMagnet.pConstraint->SetGameData( (void *) this );
m_MagnettedEntities.AddToTail( newEntityOnMagnet );
m_flTotalMass += pPhysics->GetMass();
}
DoMagnetSuck( pOther );
m_OnMagnetAttach.FireOutput( this, this );
}
