C++ IAttachment::HideAttachment方法代码示例

void CLocalPlayerComponent::UpdateFPBodyPartsVisibility()
{
	if (m_rPlayer.m_stats.isThirdPerson == false)
	{
		ICharacterInstance *pMainCharacter	= m_rPlayer.GetEntity()->GetCharacter(0);
		IAttachmentManager *pAttachmentManager		= pMainCharacter ? pMainCharacter->GetIAttachmentManager() : NULL;

		if (pAttachmentManager)
		{
			CRY_ASSERT(m_rPlayer.HasBoneID(BONE_CALF_L));
			CRY_ASSERT(m_rPlayer.HasBoneID(BONE_CALF_R));

			const CCamera& camera = gEnv->p3DEngine->GetRenderingCamera();
			const Matrix34& playerWorldTM = m_rPlayer.GetEntity()->GetWorldTM();

			bool visible = true;
			if (m_rPlayer.m_linkStats.linkID == 0)
			{
				//volatile static float radius = 0.475f;
				const float radius = 0.16f;
				const Sphere calfSphereL(playerWorldTM.TransformPoint(m_rPlayer.GetBoneTransform(BONE_CALF_L).t), radius);
				const Sphere calfSpehreR(playerWorldTM.TransformPoint(m_rPlayer.GetBoneTransform(BONE_CALF_R).t), radius);

				visible = camera.IsSphereVisible_F(calfSphereL) || camera.IsSphereVisible_F(calfSpehreR);
			}

			//const float white[4] = {1.0f, 1.0f, 1.0f, 1.0f};
			//gEnv->pRenderer->Draw2dLabel(50.0f, 50.0f, 2.0f, white, false, visible ? "Rendering complete FP body" : "Rendering only arms");

			//Early out if no change
			if (m_fpCompleteBodyVisible == visible)
				return;

			//Hide/Unhide certain parts depending on visibility
			const int kNumParstToToggle = 2;
			const char *tooglePartsTable[kNumParstToToggle] = {"lower_body", "upper_body"};
			for (int i=0; i<kNumParstToToggle; i++)
			{
				IAttachment* pAttachment = pAttachmentManager->GetInterfaceByName(tooglePartsTable[i]);
				if (pAttachment)
				{
					pAttachment->HideAttachment(!visible);
					pAttachment->HideInShadow(1);
				}
			}

			m_fpCompleteBodyVisible = visible;
		}
	}
}

void CLTag::HideGrenadeAttachment( ICharacterInstance* pWeaponCharacter, const char* attachmentName, bool hide )
{
	CRY_ASSERT(pWeaponCharacter);

	CCCPOINT_IF(string("newShell") == attachmentName && hide, ltag_hide_newShell);
	CCCPOINT_IF(string("newShell") == attachmentName && !hide, ltag_show_newShell);
	CCCPOINT_IF(string("currentShell") == attachmentName && hide, ltag_hide_currentShell);
	CCCPOINT_IF(string("currentShell") == attachmentName && !hide, ltag_show_currentShell);

	IAttachment* pAttachment = pWeaponCharacter->GetIAttachmentManager()->GetInterfaceByName(attachmentName);
	if (pAttachment)
	{
		pAttachment->HideAttachment(hide ? 1 : 0);
	}
}

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

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

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

	pAttachment->HideAttachment(hide?1:0);
}

//------------------------------------------------------------------------
int CScriptBind_Actor::AttachVulnerabilityEffect(IFunctionHandler *pH, int characterSlot, int partid, Vec3 hitPos, float radius, const char* effect, const char* attachmentIdentifier)
{
  CActor *pActor = GetActor(pH);  
	if (!pActor)
		return pH->EndFunction();

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

  if (!pChar || !effect)  
    return pH->EndFunction();

  //fallback: use nearest attachment
  float minDiff = radius*radius;  
  IAttachment* pClosestAtt = 0;
  
  IAttachmentManager* pMan = pChar->GetIAttachmentManager();
  for (int i=0; i<pMan->GetAttachmentCount(); ++i)
  {
    IAttachment* pAtt = pMan->GetInterfaceByIndex(i);
    
    float diff = (hitPos - pAtt->GetAttWorldAbsolute().t).len2();        
    if (diff < minDiff)
    {
      // only use specified attachments 
      if (attachmentIdentifier[0] && !strstr(pAtt->GetName(), attachmentIdentifier))
        continue;

      minDiff = diff; 
      pClosestAtt = pAtt;      
    }   
    //CryLog("diff: %.2f, att: %s", diff, attName.c_str());
  }

  if (!pClosestAtt)
    return pH->EndFunction();

  //CryLog("AttachVulnerabilityEffect: closest att %s, attaching effect %s", pClosestAtt->GetName(), effect);
  
  CEffectAttachment *pEffectAttachment = new CEffectAttachment(effect, Vec3(ZERO), Vec3(0,1,0), 1.f);

  pClosestAtt->AddBinding(pEffectAttachment);
  pClosestAtt->HideAttachment(0);
  
  return pH->EndFunction(pClosestAtt->GetName());    
}

	void UnHideAttachment(SActivationInfo* pActInfo)
	{
		IAttachment* pAttachment = GetAttachment(pActInfo);
		if(pAttachment)
		{
			pAttachment->HideAttachment(0);

			IAttachmentObject* pAttachmentObject = pAttachment->GetIAttachmentObject();
			if((pAttachmentObject != NULL) && (pAttachmentObject->GetAttachmentType() == IAttachmentObject::eAttachment_Entity))
			{
				IEntity* pAttachedEntity = gEnv->pEntitySystem->GetEntity( static_cast<CEntityAttachment*>(pAttachmentObject)->GetEntityId() );
				if(pAttachedEntity)
				{
					pAttachedEntity->Hide(false);
				}
			}
		}
	}

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

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

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

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

	pAttachment->AddBinding(pLightAttachment);
	pAttachment->HideAttachment(0);
}

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--;					
					}
				}
			}
		}
	}
}

void CLaserBeam::FixAttachment(IEntity* pLaserEntity)
{
	m_usingEntityAttachment = false;

	IItemSystem* pItemSystem = g_pGame->GetIGameFramework()->GetIItemSystem();
	CItem* pOwnerItem = static_cast<CItem*>(pItemSystem->GetItem(m_ownerEntityId));

	if (pOwnerItem)
	{
		IEntity* pOwnerEntity = pOwnerItem->GetEntity();
		IEntity* pAttachedEntity = pOwnerEntity;
		const char* attach_helper = "laser_term";

		Vec3 offset = pOwnerItem->GetSlotHelperPos(m_geometrySlot, attach_helper, false);

		if(m_geometrySlot == eIGS_FirstPerson)
		{
			if(pOwnerItem->IsAccessory())
			{
				EntityId parentId = pOwnerItem->GetParentId();

				if(parentId)
				{
					if(CItem* pParentItem = static_cast<CItem*>(pItemSystem->GetItem(parentId)))
					{
						const SAccessoryParams* pParams = pParentItem->GetAccessoryParams(pAttachedEntity->GetClass());

						attach_helper = pParams->attach_helper.c_str();
						pAttachedEntity = pParentItem->GetEntity();
					}
				}
			}

			if(pAttachedEntity)
			{
				ICharacterInstance *pCharacter = pAttachedEntity->GetCharacter(eIGS_FirstPerson);
				if (pCharacter)
				{
					IAttachmentManager *pAttachmentManager = pCharacter->GetIAttachmentManager();

					IAttachment *pLaserAttachment = pAttachmentManager->GetInterfaceByName(LASER_ATTACH_NAME);

					if(!pLaserAttachment)
					{
						IAttachment *pAttachment = pAttachmentManager->GetInterfaceByName(attach_helper);

						if(pAttachment)
						{
							const char* pBone = pCharacter->GetICharacterModel()->GetICharacterModelSkeleton()->GetJointNameByID(pAttachment->GetJointID());

							pLaserAttachment = pAttachmentManager->CreateAttachment(LASER_ATTACH_NAME, CA_BONE, pBone);

							if(pLaserAttachment)
							{
								QuatT relative = pAttachment->GetAttRelativeDefault();

								if(pOwnerItem->GetEntity() != pAttachedEntity)
								 {
									Matrix34 mtx(relative);
									relative.t = relative * offset;
								}

								pLaserAttachment->SetAttRelativeDefault(relative);
							}
						}
					}

					if(pLaserAttachment)
					{
						CEntityAttachment* pEntAttach = new CEntityAttachment;

						pEntAttach->SetEntityId(m_laserEntityId);
						pLaserAttachment->AddBinding(pEntAttach);
						pLaserAttachment->HideAttachment(0);

						m_usingEntityAttachment = true;
					}		
				}
			}
		}	

		if(!m_usingEntityAttachment && pOwnerEntity)
		{
			pOwnerEntity->AttachChild(pLaserEntity);
			pLaserEntity->SetLocalTM(Matrix34::CreateTranslationMat(offset));
		}
	}
}

//------------------------------------------------------------------------
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;

}