C++ IAttachment::ClearBinding方法代码示例

	void CEffectsController::DetachEffect(const TAttachedEffectId effectId)
	{
		CRY_ASSERT(m_pOwnerEntity);

		TAttachedEffects::iterator effectIt = std::find(m_attachedEffects.begin(), m_attachedEffects.end(), effectId);

		if (effectIt != m_attachedEffects.end())
		{
			const SEffectInfo& effectInfo = *effectIt;

			if (effectInfo.entityEffectSlot >= 0)
			{
				m_pOwnerEntity->FreeSlot(effectInfo.entityEffectSlot);
			}	
			else
			{
				ICharacterInstance *pCharacter = m_pOwnerEntity->GetCharacter(effectInfo.characterEffectSlot);
				if (pCharacter)
				{
					IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();
					IAttachment *pAttachment = pAttachmentManager->GetInterfaceByName(effectInfo.helperName.c_str());
					if(pAttachment)
					{
						pAttachment->ClearBinding();
					}
				}
			}

			m_attachedEffects.erase(effectIt);
		}
	}

void CAICorpse::AboutToBeRemoved()
{
	IItemSystem* pItemSystem = g_pGame->GetIGameFramework()->GetIItemSystem();

	ICharacterInstance* pCharacter = GetEntity()->GetCharacter(0);
	IAttachmentManager* pAttachmentManager = (pCharacter != NULL) ? pCharacter->GetIAttachmentManager() : NULL;

	for (uint32 i = 0; i < (uint32)m_attachedItemsInfo.size(); ++i)
	{
		AttachedItem& attachedItem = m_attachedItemsInfo[i];

		IItem* pItem = pItemSystem->GetItem( attachedItem.id );
		if((pItem != NULL) && ShouldDropOnCorpseRemoval( pItem->GetEntity()->GetClass() ))
		{
			IAttachment* pAttachment = (pAttachmentManager != NULL) ? pAttachmentManager->GetInterfaceByName( attachedItem.attachmentName.c_str() ) : NULL;
			if(pAttachment != NULL)
			{
				pAttachment->ClearBinding();
			}

			pItem->Drop( 1.0f, false, true );
			pItem->GetEntity()->SetFlags( pItem->GetEntity()->GetFlags() & ~ENTITY_FLAG_NO_SAVE );

			attachedItem.id = 0;
		}
	}
}

	void DetachObject(SActivationInfo *pActInfo)
	{
		IAttachment *pAttachment = GetAttachment(pActInfo);
		if (pAttachment)
		{
			pAttachment->ClearBinding();
			ActivateOutput(pActInfo, eOP_Detached, 0);
		}
	}

	void OnEntityEvent( IEntity* pEntity, SEntityEvent& event )
	{
		if (event.event==m_event)
		{
			if (m_pNewAttachment)
			{
				m_pNewAttachment->ClearBinding();
			}
		}
	}

void CKVoltEffect::Leave()
{
	if(m_particleEmitter)
	{
		gEnv->pParticleManager->DeleteEmitter(m_particleEmitter);
		m_particleEmitter->Release();
		m_particleEmitter = NULL;
	}

	IAttachment* screenAttachment = GetScreenAttachment();
	if(screenAttachment)
	{
		screenAttachment->ClearBinding();
	}
}

//------------------------------------------------------------------------
void CItem::ResetCharacterAttachment(int slot, const char *name)
{
	ICharacterInstance *pCharacter = GetEntity()->GetCharacter(slot);
	if (!pCharacter)
		return;

	IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();
	IAttachment *pAttachment = pAttachmentManager->GetInterfaceByName(name);

	if (!pAttachment)
	{
		GameWarning("Item '%s' trying to reset attachment '%s' which does not exist!", GetEntity()->GetName(), name);
		return;
	}

	pAttachment->ClearBinding();
}

//------------------------------------------------------------------------
int CScriptBind_Actor::ResetVulnerabilityEffects(IFunctionHandler *pH, int characterSlot)
{
  CActor *pActor = GetActor(pH);  
	if (!pActor)
		return pH->EndFunction();

  IEntity* pEntity = pActor->GetEntity();

  ICharacterInstance* pChar = pEntity->GetCharacter(characterSlot);

  if (pChar)  
  {
    IAttachmentManager* pMan = pChar->GetIAttachmentManager();
    for (int i=0; i<pMan->GetAttachmentCount(); ++i)
    {
      IAttachment* pAtt = pMan->GetInterfaceByIndex(i);
      if (strstr(pAtt->GetName(), "vulnerable"))
        pAtt->ClearBinding();
    }
  }
  return pH->EndFunction();
}

void CAICorpse::HandleEvent( const SGameObjectEvent& gameObjectEvent )
{
	if(gameObjectEvent.event == eCGE_ItemTakenFromCorpse)
	{
		assert(gameObjectEvent.param != NULL);

		bool matchFound = false;
		const EntityId itemId = *static_cast<const EntityId*>(gameObjectEvent.param);

		for (uint32 i = 0; i < m_attachedItemsInfo.size(); ++i)
		{
			if(m_attachedItemsInfo[i].id == itemId)
			{
				ICharacterInstance* pCharacter = GetEntity()->GetCharacter(0);
				if(pCharacter != NULL)
				{
					IAttachment* pAttachment = pCharacter->GetIAttachmentManager()->GetInterfaceByName( m_attachedItemsInfo[i].attachmentName.c_str() );
					if(pAttachment != NULL)
					{
						pAttachment->ClearBinding();
					}
				}

				m_attachedItemsInfo.removeAt(i);
				matchFound = true;
				break;
			}
		}

		if(matchFound)
		{
			if(m_attachedItemsInfo.empty())
			{
				m_priority = 0; //Lower the priority once all attached items have been removed
			}
		}
	}
}

void CHandGrenades::UpdateStowedWeapons()
{
	CActor *pOwnerActor = GetOwnerActor();
	if (!pOwnerActor)
		return;

	ICharacterInstance *pOwnerCharacter = pOwnerActor->GetEntity()->GetCharacter(0);
	if (!pOwnerCharacter)
		return;

	IStatObj *pTPObj = GetEntity()->GetStatObj(eIGS_ThirdPerson);
	if (!pTPObj)
		return;


	int ammoCount = m_fm ? pOwnerActor->GetInventory()->GetAmmoCount(m_fm->GetAmmoType()) : 0;
	if (IsSelected() && (ammoCount > 0))
	{
		ammoCount--;
	}
	if (!pOwnerActor->IsThirdPerson())
	{
		ammoCount = 0;
	}

	int numGrenDiff = ammoCount - m_numStowedCopies;
	if(numGrenDiff != 0)
	{
		if (m_stowSlot < 0)
		{
			m_stowSlot = PickStowSlot(pOwnerCharacter->GetIAttachmentManager(), m_sharedparams->params.bone_attachment_01.c_str(), m_sharedparams->params.bone_attachment_02.c_str());
		}

		if (m_stowSlot >= 0)
		{
			bool attach = numGrenDiff > 0;
			int tot = abs(numGrenDiff);

			IAttachmentManager *pAttachmentManager = pOwnerCharacter->GetIAttachmentManager();
			IAttachment *pAttachment = NULL;

			for (int i=0; i<tot; i++)
			{
				//--- Generate the secondary slot from the first by adding one to the attachment name, is all we need at present...
				const char *attach1 = (m_stowSlot == 0) ? m_sharedparams->params.bone_attachment_01.c_str() : m_sharedparams->params.bone_attachment_02.c_str();
				int lenAttachName = strlen(attach1);
				stack_string attach2(attach1, lenAttachName-1);
				attach2 += (attach1[lenAttachName-1]+1);

				if (attach)
				{
					pAttachment = pAttachmentManager->GetInterfaceByName(attach1);
					if(pAttachment && pAttachment->GetIAttachmentObject())
					{
						pAttachment = pAttachmentManager->GetInterfaceByName(attach2);
					}

					if (pAttachment && !pAttachment->GetIAttachmentObject())
					{
						CCGFAttachment *pCGFAttachment = new CCGFAttachment();
						pCGFAttachment->pObj = pTPObj;
						pAttachment->AddBinding(pCGFAttachment);
						pAttachment->HideAttachment(0);
						pAttachment->HideInShadow(0);

						m_numStowedCopies++;
					}
				}
				else
				{
					pAttachment = pAttachmentManager->GetInterfaceByName(attach2);
					if(!pAttachment || !pAttachment->GetIAttachmentObject())
					{
						pAttachment = pAttachmentManager->GetInterfaceByName(attach1);
					}

					if (pAttachment && pAttachment->GetIAttachmentObject())
					{
						pAttachment->ClearBinding();
						m_numStowedCopies--;					
					}
				}
			}
		}
	}
}

//.........这里部分代码省略.........

		SEntitySlotInfo slotInfo;
		SEffectInfo effectInfo;
		effectInfo.slot = -1;

		bool validSlot = GetEntity()->GetSlotInfo(slot, slotInfo) && (slotInfo.pCharacter || slotInfo.pStatObj);

		if (!validSlot || slotInfo.pStatObj)
		{
			// get helper position
			Vec3 position(0,0,0);
			if (validSlot)
			{
				IStatObj *pStatsObj = slotInfo.pStatObj;
				position = pStatsObj->GetHelperPos(helper);
				position = GetEntity()->GetSlotLocalTM(slot, false).TransformPoint(position);
			}
			position+=offset;

			// find a free slot
			SEntitySlotInfo dummy;
			int i=0;
			while (GetEntity()->GetSlotInfo(eIGS_Last+i, dummy))
				i++;

			// move light slot to the helper position+offset
			effectInfo.helper = helper;
			effectInfo.slot = GetEntity()->LoadLight(eIGS_Last+i, &light);

			if (effectInfo.slot != -1 && pMaterial)
				GetEntity()->SetSlotMaterial(effectInfo.slot, pMaterial);

			Matrix34 tm = Matrix34(Matrix33::CreateRotationVDir(dir));
			tm.SetTranslation(position);
			GetEntity()->SetSlotLocalTM(effectInfo.slot, tm);
		}
		else if (slotInfo.pCharacter)	// bone attachment
		{
			effectInfo.helper = helper;
			effectInfo.characterSlot = slot;
			ICharacterInstance *pCharacter = slotInfo.pCharacter;
			IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();
			IAttachment *pAttachment = pAttachmentManager->GetInterfaceByName(helper);

			if (!pAttachment)
			{
				GameWarning("Item '%s' trying to attach light to attachment '%s' which does not exist!", GetEntity()->GetName(), helper);
				return 0;
			}

			CLightAttachment *pLightAttachment = new CLightAttachment();
			pLightAttachment->LoadLight(light);

			if (pMaterial)
			{
				if (ILightSource* pLightSource = pLightAttachment->GetLightSource())
					pLightSource->SetMaterial(pMaterial);        
			}
			if(light.m_Flags&DLF_CASTSHADOW_MAPS)
			{
				if (ILightSource* pLightSource = pLightAttachment->GetLightSource())
					pLightSource->SetCastingException(pCasterException);
			}

			Matrix34 tm =Matrix34(Matrix33::CreateRotationVDir(dir));
			tm.SetTranslation(offset);
			pAttachment->AddBinding(pLightAttachment);
			pAttachment->SetAttRelativeDefault(QuatT(tm));
		}

		m_effects.insert(TEffectInfoMap::value_type(m_effectGenId, effectInfo));
		return m_effectGenId;
	}
	else if (id)
	{
		TEffectInfoMap::iterator it = m_effects.find(id);
		if (it == m_effects.end())
			return 0;

		SEffectInfo &info = it->second;
		if (info.slot>-1) 
		{
			GetEntity()->FreeSlot(info.slot);
		}
		else
		{
			ICharacterInstance *pCharacter = GetEntity()->GetCharacter(info.characterSlot);
			if (pCharacter)
			{
				IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();
				IAttachment *pAttachment = pAttachmentManager->GetInterfaceByName(info.helper.c_str());

				pAttachment->ClearBinding();
			}
		}
		m_effects.erase(it);
	}

	return 0;
}

//------------------------------------------------------------------------
uint32 CItem::AttachEffect(int slot, uint32 id, bool attach, const char *effectName, const char *helper, const Vec3 &offset, const Vec3 &dir, float scale, bool prime)
{
	if (m_stats.mounted)
		slot=eIGS_FirstPerson;

	if (attach)
	{
		if (!g_pGameCVars->i_particleeffects)
			return 0;

		IParticleEffect *pParticleEffect = gEnv->pParticleManager->FindEffect(effectName);
		if (!pParticleEffect)
			return 0;

		// generate id
		++m_effectGenId;
		while (!m_effectGenId || (m_effects.find(m_effectGenId) != m_effects.end()))
			++m_effectGenId;
	
		SEntitySlotInfo slotInfo;
		SEffectInfo effectInfo;
		
		bool validSlot = GetEntity()->GetSlotInfo(slot, slotInfo) && (slotInfo.pCharacter || slotInfo.pStatObj);

		if (!validSlot || slotInfo.pStatObj || (!helper || !helper[0]))
		{
			// get helper position
			Vec3 position(0,0,0);
			if (validSlot && helper && helper[0])
			{
				IStatObj *pStatsObj = slotInfo.pStatObj;
				position = pStatsObj->GetHelperPos(helper);
				position = GetEntity()->GetSlotLocalTM(slot, false).TransformPoint(position);
			}      
			position+=offset;

			// find a free slot
			SEntitySlotInfo dummy;
			int i=0;
			while (GetEntity()->GetSlotInfo(eIGS_Last+i, dummy))
				i++;

			// move particle slot to the helper position+offset
      effectInfo.helper = helper;
			effectInfo.slot = GetEntity()->LoadParticleEmitter(eIGS_Last+i, pParticleEffect, 0, prime, true);
			Matrix34 tm = IParticleEffect::ParticleLoc(position, dir, scale);
			GetEntity()->SetSlotLocalTM(effectInfo.slot, tm);
		}
		else if (slotInfo.pCharacter)	// bone attachment
		{
			effectInfo.helper = helper;
			effectInfo.characterSlot = slot;
			ICharacterInstance *pCharacter = slotInfo.pCharacter;
			IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();
			IAttachment *pAttachment = pAttachmentManager->GetInterfaceByName(helper);

			if (!pAttachment)
			{
				GameWarning("Item '%s' trying to attach effect '%s' to attachment '%s' which does not exist!", GetEntity()->GetName(), effectName, helper);
				return 0;
			}

			CEffectAttachment *pEffectAttachment = new CEffectAttachment(effectName, Vec3(0,0,0), Vec3(0,1,0), scale);
			Matrix34 tm = Matrix34(Matrix33::CreateRotationVDir(dir));
			tm.SetTranslation(offset);
			pAttachment->AddBinding(pEffectAttachment);
			pAttachment->SetAttRelativeDefault(QuatT(tm));
			pEffectAttachment->UpdateAttachment(pAttachment);
			if (pEffectAttachment->GetEmitter())
			{
				if (prime)
					pEffectAttachment->GetEmitter()->Prime();
			}
		}

		m_effects.insert(TEffectInfoMap::value_type(m_effectGenId, effectInfo));
		return m_effectGenId;
	}
	else if (id)
	{
		TEffectInfoMap::iterator it = m_effects.find(id);
		if (it == m_effects.end())
			return 0;

		SEffectInfo &info = it->second;
		if (info.slot>-1)
		{
			GetEntity()->FreeSlot(info.slot);
		}
		else
		{
			ICharacterInstance *pCharacter = GetEntity()->GetCharacter(info.characterSlot);
			if (pCharacter)
			{
				IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();
				IAttachment *pAttachment = pAttachmentManager->GetInterfaceByName(info.helper.c_str());
				if(pAttachment)
					pAttachment->ClearBinding();
			}
//.........这里部分代码省略.........

//------------------------------------------------------------------------
bool CC4Projectile::StickToCharacter(bool stick,IEntity *pActor)
{
	if(!pActor)
		return false;

	//Check for friendly AI
	if(pActor->GetAI())
	{
		if(CWeapon *pWeapon = GetWeapon())
		{
			if(CActor *pPlayer = pWeapon->GetOwnerActor())
			{
				if(IAIObject *pPlayerAI = pPlayer->GetEntity()->GetAI())
				{
					if(pActor->GetAI()->IsFriendly(pPlayerAI, false))
					{
						return false;
					}
				}
			}
		}
	}

	ICharacterInstance *pCharacter = pActor->GetCharacter(0);

	if(!pCharacter)
		return false;

	//Actors doesn't support constraints, try to stick as character attachment
	IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();
	IAttachment *pAttachment = NULL;

	//Select one of the attachment points
	Vec3 charOrientation = pActor->GetRotation().GetColumn1();
	Vec3 c4ToChar = pActor->GetWorldPos() - GetEntity()->GetWorldPos();
	c4ToChar.Normalize();

	//if(c4ToChar.Dot(charOrientation)>0.0f)
	//pAttachment = pAttachmentManager->GetInterfaceByName("c4_back");
	//else
	pAttachment = pAttachmentManager->GetInterfaceByName("c4_front");

	if(!pAttachment)
	{
		GameWarning("No c4 face attachment found in actor");

		if(!pAttachment)
			return false;
	}

	if(stick)
	{
		//Check if there's already one
		if(IAttachmentObject *pAO = pAttachment->GetIAttachmentObject())
			return false;

		CEntityAttachment *pEntityAttachment = new CEntityAttachment();
		pEntityAttachment->SetEntityId(GetEntityId());

		pAttachment->AddBinding(pEntityAttachment);
		pAttachment->HideAttachment(0);

		m_stuck = true;
	}
	else
	{
		pAttachment->ClearBinding();
		m_stuck = false;
	}

	return true;

}