//-----------------------------------------------------------------------------
// Purpose: Returns index number of a given named attachment
// Input : name of attachment
// Output : attachment index number or -1 if attachment not found
//-----------------------------------------------------------------------------
int CAnimating::LookupAttachment( const char *szName )
{
CStudioHdr *pStudioHdr = GetModelPtr( );
if (!pStudioHdr)
{
Assert(!"CBaseAnimating::LookupAttachment: model missing");
return 0;
}
// The +1 is to make attachment indices be 1-based (namely 0 == invalid or unused attachment)
return Studio_FindAttachment( pStudioHdr, szName ) + 1;
}
Vector GetAttachmentPositionInSpaceOfBone( CStudioHdr *pStudioHdr, const char *pAttachmentName, int outputBoneIndex )
{
if( !pStudioHdr || !pAttachmentName )
return vec3_origin;
int attachment = Studio_FindAttachment( pStudioHdr, pAttachmentName );
Vector localAttach;
const mstudioattachment_t &pAttachment = pStudioHdr->pAttachment(attachment);
int iBone = pStudioHdr->GetAttachmentBone( attachment );
MatrixGetColumn( pAttachment.local, 3, localAttach );
matrix3x4_t inputToOutputBone;
Studio_CalcBoneToBoneTransform( pStudioHdr, iBone, outputBoneIndex, inputToOutputBone );
Vector out;
VectorTransform( localAttach, inputToOutputBone, out );
return out;
}
void PropBreakableCreateAll( int modelindex, IPhysicsObject *pPhysics, const breakablepropparams_t ¶ms, CBaseEntity *pEntity, int iPrecomputedBreakableCount, bool bIgnoreGibLimit, bool defaultLocation )
{
// Check for prop breakable count reset.
int nPropCount = props_break_max_pieces_perframe.GetInt();
if ( nPropCount != -1 )
{
if ( nFrameNumber != gpGlobals->framecount )
{
nPropBreakablesPerFrameCount = 0;
nFrameNumber = gpGlobals->framecount;
}
// Check for max breakable count for the frame.
if ( nPropBreakablesPerFrameCount >= nPropCount )
return;
}
int iMaxBreakCount = bIgnoreGibLimit ? -1 : props_break_max_pieces.GetInt();
if ( iMaxBreakCount != -1 )
{
if ( iPrecomputedBreakableCount != -1 )
{
iPrecomputedBreakableCount = MIN( iMaxBreakCount, iPrecomputedBreakableCount );
}
else
{
iPrecomputedBreakableCount = iMaxBreakCount;
}
}
#ifdef GAME_DLL
// On server limit break model creation
if ( !PropBreakableCapEdictsOnCreateAll(modelindex, pPhysics, params, pEntity, iPrecomputedBreakableCount ) )
{
DevMsg( "Failed to create PropBreakable: would exceed MAX_EDICTS\n" );
return;
}
#endif
vcollide_t *pCollide = modelinfo->GetVCollide( modelindex );
if ( !pCollide )
return;
int nSkin = 0;
CBaseEntity *pOwnerEntity = pEntity;
CBaseAnimating *pOwnerAnim = NULL;
if ( pPhysics )
{
pOwnerEntity = static_cast<CBaseEntity *>(pPhysics->GetGameData());
}
if ( pOwnerEntity )
{
pOwnerAnim = pOwnerEntity->GetBaseAnimating();
if ( pOwnerAnim )
{
nSkin = pOwnerAnim->m_nSkin;
}
}
matrix3x4_t localToWorld;
CStudioHdr studioHdr;
const model_t *model = modelinfo->GetModel( modelindex );
if ( model )
{
studioHdr.Init( modelinfo->GetStudiomodel( model ) );
}
Vector parentOrigin = vec3_origin;
int parentAttachment = Studio_FindAttachment( &studioHdr, "placementOrigin" ) + 1;
if ( parentAttachment > 0 )
{
GetAttachmentLocalSpace( &studioHdr, parentAttachment-1, localToWorld );
MatrixGetColumn( localToWorld, 3, parentOrigin );
}
else
{
AngleMatrix( vec3_angle, localToWorld );
}
CUtlVector<breakmodel_t> list;
BreakModelList( list, modelindex, params.defBurstScale, params.defCollisionGroup );
if ( list.Count() )
{
for ( int i = 0; i < list.Count(); i++ )
{
int modelIndex = modelinfo->GetModelIndex( list[i].modelName );
if ( modelIndex <= 0 )
continue;
// Skip multiplayer pieces that should be spawning on the other dll
#ifdef GAME_DLL
if ( gpGlobals->maxClients > 1 && breakable_multiplayer.GetBool() )
#else
if ( gpGlobals->maxClients > 1 )
#endif
{
#ifdef GAME_DLL
if ( list[i].mpBreakMode == MULTIPLAYER_BREAK_CLIENTSIDE )
continue;
#else
if ( list[i].mpBreakMode == MULTIPLAYER_BREAK_SERVERSIDE )
continue;
#endif
if ( !defaultLocation && list[i].mpBreakMode == MULTIPLAYER_BREAK_DEFAULT )
continue;
}
if ( ( nPropCount != -1 ) && ( nPropBreakablesPerFrameCount > nPropCount ) )
break;
if ( ( iPrecomputedBreakableCount != -1 ) && ( i >= iPrecomputedBreakableCount ) )
break;
matrix3x4_t matrix;
AngleMatrix( params.angles, params.origin, matrix );
CStudioHdr studioHdr;
const model_t *model = modelinfo->GetModel( modelIndex );
if ( model )
{
studioHdr.Init( modelinfo->GetStudiomodel( model ) );
}
// Increment the number of breakable props this frame.
++nPropBreakablesPerFrameCount;
Vector position = vec3_origin;
QAngle angles = params.angles;
if ( pOwnerAnim && list[i].placementName[0] )
{
if ( list[i].placementIsBone )
{
int boneIndex = pOwnerAnim->LookupBone( list[i].placementName );
if ( boneIndex >= 0 )
{
pOwnerAnim->GetBonePosition( boneIndex, position, angles );
AngleMatrix( angles, position, matrix );
}
}
else
{
int attachmentIndex = Studio_FindAttachment( &studioHdr, list[i].placementName ) + 1;
if ( attachmentIndex > 0 )
{
pOwnerAnim->GetAttachment( attachmentIndex, matrix );
MatrixAngles( matrix, angles );
}
}
}
else
{
int placementIndex = Studio_FindAttachment( &studioHdr, "placementOrigin" ) + 1;
Vector placementOrigin = parentOrigin;
if ( placementIndex > 0 )
{
GetAttachmentLocalSpace( &studioHdr, placementIndex-1, localToWorld );
MatrixGetColumn( localToWorld, 3, placementOrigin );
placementOrigin -= parentOrigin;
}
VectorTransform( list[i].offset - placementOrigin, matrix, position );
}
Vector objectVelocity = params.velocity;
if (pPhysics)
{
pPhysics->GetVelocityAtPoint( position, &objectVelocity );
}
int nActualSkin = nSkin;
if ( nActualSkin > studioHdr.numskinfamilies() )
nActualSkin = 0;
CBaseEntity *pBreakable = NULL;
#ifdef GAME_DLL
if ( GetGibManager() == NULL || GetGibManager()->AllowedToSpawnGib() )
#endif
{
pBreakable = BreakModelCreateSingle( pOwnerEntity, &list[i], position, angles, objectVelocity, params.angularVelocity, nActualSkin, params );
}
if ( pBreakable )
{
#ifdef GAME_DLL
if ( GetGibManager() )
{
GetGibManager()->AddGibToLRU( pBreakable->GetBaseAnimating() );
}
#endif
if ( pOwnerEntity && pOwnerEntity->IsEffectActive( EF_NOSHADOW ) )
{
pBreakable->AddEffects( EF_NOSHADOW );
}
// If burst scale is set, this piece should 'burst' away from
// the origin in addition to travelling in the wished velocity.
if ( list[i].burstScale != 0.0 )
{
Vector vecBurstDir = position - params.origin;
// If $autocenter wasn't used, try the center of the piece
if ( vecBurstDir == vec3_origin )
{
vecBurstDir = pBreakable->WorldSpaceCenter() - params.origin;
}
VectorNormalize( vecBurstDir );
pBreakable->ApplyAbsVelocityImpulse( vecBurstDir * list[i].burstScale );
}
// If this piece is supposed to be motion disabled, disable it
if ( list[i].isMotionDisabled )
{
IPhysicsObject *pPhysicsObject = pBreakable->VPhysicsGetObject();
if ( pPhysicsObject != NULL )
{
pPhysicsObject->EnableMotion( false );
}
}
}
}
}
// Then see if the propdata specifies any breakable pieces
else if ( pEntity )
{
IBreakableWithPropData *pBreakableInterface = dynamic_cast<IBreakableWithPropData*>(pEntity);
if ( pBreakableInterface && pBreakableInterface->GetBreakableModel() != NULL_STRING && pBreakableInterface->GetBreakableCount() )
{
breakmodel_t breakModel;
for ( int i = 0; i < pBreakableInterface->GetBreakableCount(); i++ )
{
if ( ( iPrecomputedBreakableCount != -1 ) && ( i >= iPrecomputedBreakableCount ) )
break;
Q_strncpy( breakModel.modelName, g_PropDataSystem.GetRandomChunkModel(STRING(pBreakableInterface->GetBreakableModel()), pBreakableInterface->GetMaxBreakableSize()), sizeof(breakModel.modelName) );
breakModel.health = 1;
breakModel.fadeTime = RandomFloat(5,10);
breakModel.fadeMinDist = 0.0f;
breakModel.fadeMaxDist = 0.0f;
breakModel.burstScale = params.defBurstScale;
breakModel.collisionGroup = COLLISION_GROUP_DEBRIS;
breakModel.isRagdoll = false;
breakModel.isMotionDisabled = false;
breakModel.placementName[0] = 0;
breakModel.placementIsBone = false;
Vector vecObbSize = pEntity->CollisionProp()->OBBSize();
// Find a random point on the plane of the original's two largest axis
int smallestAxis = SmallestAxis( vecObbSize );
Vector vecMins(0,0,0);
Vector vecMaxs(1,1,1);
vecMins[smallestAxis] = 0.5;
vecMaxs[smallestAxis] = 0.5;
pEntity->CollisionProp()->RandomPointInBounds( vecMins, vecMaxs, &breakModel.offset );
// Push all chunks away from the center
Vector vecBurstDir = breakModel.offset - params.origin;
VectorNormalize( vecBurstDir );
Vector vecVelocity = vecBurstDir * params.defBurstScale;
QAngle vecAngles = pEntity->GetAbsAngles();
int iSkin = pBreakableInterface->GetBreakableSkin();
CBaseEntity *pBreakable = NULL;
#ifdef GAME_DLL
if ( GetGibManager() == NULL || GetGibManager()->AllowedToSpawnGib() )
#endif
{
pBreakable = BreakModelCreateSingle( pOwnerEntity, &breakModel, breakModel.offset, vecAngles, vecVelocity, vec3_origin/*params.angularVelocity*/, iSkin, params );
if ( !pBreakable )
{
DevWarning( "PropBreakableCreateAll: Could not create model %s\n", breakModel.modelName );
}
}
if ( pBreakable )
{
#ifdef GAME_DLL
if ( GetGibManager() )
{
GetGibManager()->AddGibToLRU( pBreakable->GetBaseAnimating() );
}
#endif
Vector vecBreakableObbSize = pBreakable->CollisionProp()->OBBSize();
// Try to align the gibs along the original axis
matrix3x4_t matrix;
AngleMatrix( vecAngles, matrix );
AlignBoxes( &matrix, vecObbSize, vecBreakableObbSize );
MatrixAngles( matrix, vecAngles );
if ( pBreakable->VPhysicsGetObject() )
{
Vector pos;
pBreakable->VPhysicsGetObject()->GetPosition( &pos, NULL );
pBreakable->VPhysicsGetObject()->SetPosition( pos, vecAngles, true );
}
pBreakable->SetAbsAngles( vecAngles );
if ( pOwnerEntity->IsEffectActive( EF_NOSHADOW ) )
{
pBreakable->AddEffects( EF_NOSHADOW );
}
}
}
}
}
}