bool CMFXParticleEffect::AttachToTarget( const SMFXParticleEntry& particleParams, const SMFXRunTimeEffectParams& params, IParticleEffect* pParticleEffect, const Vec3& dir, float scale )
{
bool shouldTryToAttach = particleParams.attachToTarget && (params.trg != 0);
if (!shouldTryToAttach)
{
return false;
}
IEntity* pTargetEntity = gEnv->pEntitySystem->GetEntity(params.trg);
if (pTargetEntity)
{
//Try to figure out if it's a character using physics type
IPhysicalEntity* pTargetPhysics = pTargetEntity->GetPhysics();
int physicsType = pTargetPhysics ? pTargetPhysics->GetType() : PE_NONE;
bool isCharacter = (physicsType == PE_LIVING) || (physicsType == PE_ARTICULATED);
if (isCharacter)
{
return AttachToCharacter(*pTargetEntity, particleParams, params, dir, scale);
}
//else
//{
//return AttachToEntity(*pTargetEntity, particleParams, params, pParticleEffect, dir, scale);
//}
}
return false;
}
void CStickyProjectile::NetSetStuck(CProjectile* pProjectile, bool stuck)
{
if(stuck && ((m_flags&eSF_IsStuck)==0))
{
IEntity* pTargetEntity = gEnv->pEntitySystem->GetEntity(m_parentId);
if(pTargetEntity)
{
if(ICharacterInstance* pTargetCharacter = pTargetEntity->GetCharacter(0))
{
const char* boneName = pTargetCharacter->GetICharacterModel()->GetICharacterModelSkeleton()->GetJointNameByID(m_stuckJoint);
if(AttachToCharacter(pProjectile, *pTargetEntity, *pTargetCharacter, boneName))
{
IActor* pActor = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(pTargetEntity->GetId());
m_flags |= eSF_IsStuck;
m_flags |= pActor ? pActor->IsPlayer() ? eSF_StuckToPlayer : eSF_StuckToAI : 0;
m_childId = pProjectile->GetEntityId();
}
}
}
if((m_flags&eSF_IsStuck)==0)
{
IEntity* pProjectileEntity = pProjectile->GetEntity();
AttachTo(pProjectile, pTargetEntity);
m_childId = pProjectileEntity->GetId();
if(pTargetEntity) //If we have a parent then the stuck position/rotation are local to the parent
{
pProjectileEntity->SetPos(m_stuckPos);
pProjectileEntity->SetRotation(m_stuckRot);
}
else if(m_flags&eSF_OrientateToCollNormal)
{
Matrix34 mat;
mat.SetTranslation(m_stuckPos);
mat.SetRotation33(Matrix33(m_stuckRot));
pProjectileEntity->SetWorldTM(mat);
}
else
{
pProjectileEntity->SetPos(m_stuckPos);
}
m_flags |= eSF_IsStuck;
}
}
}
bool CStickyProjectile::StickToEntity( const SStickParams& stickParams, IEntity* pTargetEntity )
{
IEntity* pProjectileEntity = stickParams.m_pProjectile->GetEntity();
ICharacterInstance* pCharInstance = pTargetEntity->GetCharacter(0);
if( pCharInstance)
{
IActor* pActor = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(pTargetEntity->GetId());
if (!pActor || (stickParams.m_bStickToFriendlies || !pActor->IsFriendlyEntity(stickParams.m_ownerId)) && (gEnv->bMultiplayer || !pActor->IsDead()))
{
m_stuckJoint = GetJointIdFromPartId(*pTargetEntity, stickParams.m_targetPartId);
m_stuckNormal = stickParams.m_stickNormal;
m_stuckPartId = stickParams.m_targetPartId;
ICharacterModelSkeleton* pICharacterModelSkeleton = pCharInstance->GetICharacterModel()->GetICharacterModelSkeleton();
ISkeletonPose* pSkeleton = pCharInstance->GetISkeletonPose();
const char* boneName = pICharacterModelSkeleton->GetJointNameByID(m_stuckJoint);
const QuatT jointWorld = QuatT(pTargetEntity->GetWorldTM()) * pSkeleton->GetAbsJointByID(m_stuckJoint);
QuatT loc;
CalculateLocationForStick( *pProjectileEntity, stickParams.m_stickPosition, stickParams.m_stickNormal, loc );
pProjectileEntity->SetWorldTM(Matrix34(loc));
// Get the local pos and rot.
loc = jointWorld.GetInverted() * loc;
m_stuckPos = loc.t;
m_stuckRot = loc.q;
// Attach.
if(AttachToCharacter( stickParams.m_pProjectile, *pTargetEntity, *pCharInstance, boneName))
{
m_flags |= eSF_IsStuck;
m_flags |= pActor ? pActor->IsPlayer() ? eSF_StuckToPlayer : eSF_StuckToAI : 0;
SetParentId(pTargetEntity->GetId());
m_childId = pProjectileEntity->GetId();
return true;
}
}
}
else
{
m_stuckNormal = stickParams.m_stickNormal;
m_stuckPartId = stickParams.m_targetPartId;
QuatT loc;
CalculateLocationForStick( *pProjectileEntity, stickParams.m_stickPosition, stickParams.m_stickNormal, loc );
AttachTo(stickParams.m_pProjectile, pTargetEntity);
pProjectileEntity->SetWorldTM(Matrix34(loc));
// Set as Stuck.
SetParentId(pTargetEntity->GetId());
m_childId = pProjectileEntity->GetId();
m_flags |= eSF_IsStuck;
//Store position and rotation relative to parent entity
m_stuckPos = pProjectileEntity->GetPos();
m_stuckRot = pProjectileEntity->GetRotation();
return true;
}
return false;
}
