C++ GetPosX函数代码示例

void CPatrolEnemy::Update(float fElapsedTime)
{
	CBaseEnemy::Update(fElapsedTime);

	if(GetCurrentHP() <= 0)
		ChangeAIState(pDead);
	else
	{
		tVector2D Result;
		Result.fX = GetTargetPosition().fX - GetPosX();
		Result.fY = GetTargetPosition().fY - GetPosY();

		float Distance = sqrt(Result.fX*Result.fX + Result.fY*Result.fY);

		if(Distance <= GetSightRange())
		{
			ChangeAIState(pActive);
			this->ReturnAIState();
		}
		else
			ChangeAIState(Patrol);

		switch(ReturnAIState())
		{
		case Patrol:
			{
				SetPosX((GetPosX() + GetBaseVelX() * fElapsedTime));

				if(GetPosX() <= 0)
				{
					SetPosX(0);
					SetCurrentDist(0);
					SetSpeed(-1*GetSpeed());
				}

				SetCurrentDist(GetCurrentDist() + (fabs(GetBaseVelX()) * fElapsedTime));

				if(GetCurrentDist() >= GetMaxDist())
				{
					SetCurrentDist(0);
					SetSpeed(-1*GetSpeed());
				}

				SetBaseVelX(GetBaseVelX() + GetSpeed() * fElapsedTime);

				if(GetBaseVelX() > 50)
					SetBaseVelX(50);
				else if(GetBaseVelX() < -50)
					SetBaseVelX(-50);
			}
			break;
		case pActive:
			{
				SetSpeed(-1*GetSpeed());
				SetBaseVelX(0);
			}
			break;
		case pDead:
			{
			}
			break;
		};
	}
}

bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
{
	switch (a_RailMeta)
	{
		case E_META_RAIL_ZM_ZP:
		{
			if (GetSpeedZ() > 0)
			{
				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT, POSY_TOINT, (int)ceil(GetPosZ()));
				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
				{
					// We could try to detect a block in front based purely on coordinates, but xoft made a bounding box system - why not use? :P
					cBoundingBox bbBlock(Vector3d(POSX_TOINT, POSY_TOINT, (int)ceil(GetPosZ())), 0.5, 1);
					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());

					if (bbBlock.DoesIntersect(bbMinecart))
					{
						SetSpeed(0, 0, 0);
						SetPosZ(floor(GetPosZ()) + 0.4);
						return true;
					}
				}
			}
			else if (GetSpeedZ() < 0)
			{
				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT, POSY_TOINT, POSZ_TOINT - 1);
				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
				{
					cBoundingBox bbBlock(Vector3d(POSX_TOINT, POSY_TOINT, POSZ_TOINT - 1), 0.5, 1);
					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ() - 1), GetWidth() / 2, GetHeight());

					if (bbBlock.DoesIntersect(bbMinecart))
					{
						SetSpeed(0, 0, 0);
						SetPosZ(floor(GetPosZ()) + 0.65);
						return true;
					}
				}
			}
			break;
		}
		case E_META_RAIL_XM_XP:
		{
			if (GetSpeedX() > 0)
			{
				BLOCKTYPE Block = m_World->GetBlock((int)ceil(GetPosX()), POSY_TOINT, POSZ_TOINT);
				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
				{
					cBoundingBox bbBlock(Vector3d((int)ceil(GetPosX()), POSY_TOINT, POSZ_TOINT), 0.5, 1);
					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());

					if (bbBlock.DoesIntersect(bbMinecart))
					{
						SetSpeed(0, 0, 0);
						SetPosX(floor(GetPosX()) + 0.4);
						return true;
					}
				}
			}
			else if (GetSpeedX() < 0)
			{
				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT - 1, POSY_TOINT, POSZ_TOINT);
				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
				{
					cBoundingBox bbBlock(Vector3d(POSX_TOINT - 1, POSY_TOINT, POSZ_TOINT), 0.5, 1);
					cBoundingBox bbMinecart(Vector3d(GetPosX() - 1, floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());

					if (bbBlock.DoesIntersect(bbMinecart))
					{
						SetSpeed(0, 0, 0);
						SetPosX(floor(GetPosX()) + 0.65);
						return true;
					}
				}
			}
			break;
		}
		case E_META_RAIL_CURVED_ZM_XM:
		case E_META_RAIL_CURVED_ZM_XP:
		case E_META_RAIL_CURVED_ZP_XM:
		case E_META_RAIL_CURVED_ZP_XP:
		{
			BLOCKTYPE BlockXM = m_World->GetBlock(POSX_TOINT - 1, POSY_TOINT, POSZ_TOINT);
			BLOCKTYPE BlockXP = m_World->GetBlock(POSX_TOINT + 1, POSY_TOINT, POSZ_TOINT);
			BLOCKTYPE BlockZM = m_World->GetBlock(POSX_TOINT, POSY_TOINT, POSZ_TOINT - 1);
			BLOCKTYPE BlockZP = m_World->GetBlock(POSX_TOINT, POSY_TOINT, POSZ_TOINT + 1);
			if (
				(!IsBlockRail(BlockXM) && cBlockInfo::IsSolid(BlockXM)) ||
				(!IsBlockRail(BlockXP) && cBlockInfo::IsSolid(BlockXP)) ||
				(!IsBlockRail(BlockZM) && cBlockInfo::IsSolid(BlockZM)) ||
				(!IsBlockRail(BlockZP) && cBlockInfo::IsSolid(BlockZP))
				)
			{
				SetSpeed(0, 0, 0);
				SetPosition(POSX_TOINT + 0.5, GetPosY(), POSZ_TOINT + 0.5);
				return true;
			}
			break;
		}
		default: break;
//.........这里部分代码省略.........

bool cMinecart::DoTakeDamage(TakeDamageInfo & TDI)
{
	if ((TDI.Attacker != NULL) && TDI.Attacker->IsPlayer() && ((cPlayer *)TDI.Attacker)->IsGameModeCreative())
	{
		Destroy();
		TDI.FinalDamage = GetMaxHealth();  // Instant hit for creative
		SetInvulnerableTicks(0);
		return super::DoTakeDamage(TDI);  // No drops for creative
	}

	m_LastDamage = TDI.FinalDamage;
	if (!super::DoTakeDamage(TDI))
	{
		return false;
	}

	m_World->BroadcastEntityMetadata(*this);

	if (GetHealth() <= 0)
	{
		Destroy();
		
		cItems Drops;
		switch (m_Payload)
		{
			case mpNone:
			{
				Drops.push_back(cItem(E_ITEM_MINECART, 1, 0));
				break;
			}
			case mpChest:
			{
				Drops.push_back(cItem(E_ITEM_CHEST_MINECART, 1, 0));
				break;
			}
			case mpFurnace:
			{
				Drops.push_back(cItem(E_ITEM_FURNACE_MINECART, 1, 0));
				break;
			}
			case mpTNT:
			{
				Drops.push_back(cItem(E_ITEM_MINECART_WITH_TNT, 1, 0));
				break;
			}
			case mpHopper:
			{
				Drops.push_back(cItem(E_ITEM_MINECART_WITH_HOPPER, 1, 0));
				break;
			}
			default:
			{
				ASSERT(!"Unhandled minecart type when spawning pickup!");
				return true;
			}
		}
		
		m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ());
	}
	return true;
}

CEnemy::~CEnemy( )
{
	if(m_SpellType == OBJ_WIND)
	{
		if(dynamic_cast<AIStateWind*>(currState))
		{
			if(((AIStateWind*)currState)->GetFlock())
			{
				((AIStateWind*)currState)->GetFlock()->RemoveMember(this);
			}
		}
	}
	if( currState ) 
		delete currState;

	CPickup * newpickup = new CPickup();
	newpickup->SetPosX(GetPosX());
	newpickup->SetPosY(GetPosY());
	newpickup->SetActive(true);

	if(!(rand() % 20))
	{
		newpickup->SetType(OBJ_T3SPELL);
		//newpickup->SetImage( CSGD_TextureManager::GetInstance()->LoadTexture("resource/graphics/Lapid_SuperEnergy.png"));
		newpickup->SetWidth(32);
		newpickup->SetHeight(32);
		CEmitter* hahaiworknow = CParticleManager::GetInstance()->LoadEmitter("resource/data/powerSpecial.lapipt",newpickup->GetPosX(),newpickup->GetPosY());
		newpickup->SetEmitter(hahaiworknow);
		CParticleManager::GetInstance()->AddEmitter(newpickup->GetEmitter());

	}
	else
	{
		newpickup->SetType(OBJ_ENERGY);
		if(GetEleType() == OBJ_EARTH)
		{
			newpickup->SetEleType(OBJ_EARTH);
			//newpickup->SetImage( CSGD_TextureManager::GetInstance()->LoadTexture("resource/graphics/Lapid_EarthEnergy.png"));
			newpickup->SetWidth(64);
			newpickup->SetHeight(48);
			CEmitter* hahaiworknow = CParticleManager::GetInstance()->LoadEmitter("resource/data/powerEarth.lapipt",newpickup->GetPosX(),newpickup->GetPosY());
			newpickup->SetEmitter(hahaiworknow);
			CParticleManager::GetInstance()->AddEmitter(newpickup->GetEmitter());
		}
		else if(GetEleType() == OBJ_FIRE)
		{
			newpickup->SetEleType(OBJ_FIRE);
			//newpickup->SetImage( CSGD_TextureManager::GetInstance()->LoadTexture("resource/graphics/Lapid_FireEnergy.png"));
			newpickup->SetWidth(64);
			newpickup->SetHeight(48);
			CEmitter* hahaiworknow = CParticleManager::GetInstance()->LoadEmitter("resource/data/powerFire.lapipt",newpickup->GetPosX(),newpickup->GetPosY());
			newpickup->SetEmitter(hahaiworknow);
			CParticleManager::GetInstance()->AddEmitter(newpickup->GetEmitter());
		}
		else if(GetEleType() == OBJ_ICE)
		{
			newpickup->SetEleType(OBJ_ICE);
			//newpickup->SetImage( CSGD_TextureManager::GetInstance()->LoadTexture("resource/graphics/Lapid_IceEnergy.png"));
			newpickup->SetWidth(64);
			newpickup->SetHeight(48);

			CEmitter* hahaiworknow = CParticleManager::GetInstance()->LoadEmitter("resource/data/powerIce.lapipt",newpickup->GetPosX(),newpickup->GetPosY());
			newpickup->SetEmitter(hahaiworknow);
			CParticleManager::GetInstance()->AddEmitter(newpickup->GetEmitter());
		}
		else
		{
			newpickup->SetEleType(OBJ_WIND);
			//newpickup->SetImage( CSGD_TextureManager::GetInstance()->LoadTexture("resource/graphics/Lapid_WindEnergy.png"));
			newpickup->SetWidth(64);
			newpickup->SetHeight(58);
			CEmitter* hahaiworknow = CParticleManager::GetInstance()->LoadEmitter("resource/data/powerWind.lapipt",newpickup->GetPosX(),newpickup->GetPosY());
			newpickup->SetEmitter(hahaiworknow);
			CParticleManager::GetInstance()->AddEmitter(newpickup->GetEmitter());
		}
	}
	Corona_ObjectManager::GetInstance()->AddObject(newpickup);
	newpickup->Release();
}

void CEnemy::Update( float fElapsedTime )
{
	if( ! ( CGameplayState::GetInstance()->GetLevel()->GetTile((int)GetPosX(), (int)GetPosY() ) ) )
	{
		SetHealth(0);
	}
	if(m_nHealth >0)
	{

		Frame * currFrame = (animation->GetAllFrames())[animation->GetFrame()];

		if(LastFrame && currAnimation == 2 || currAnimation == 1)
		{
			float oldheight = m_fLastPosition + (LastFrame->DrawRect.bottom - LastFrame->DrawRect.top) * m_fScale;

			while(oldheight < GetPosY() + (currFrame->DrawRect.bottom - currFrame->DrawRect.top) * m_fScale)
			{
				SetPosY(GetPosY() - 1);
			}
			while(oldheight > GetPosY() + (currFrame->DrawRect.bottom - currFrame->DrawRect.top) * m_fScale)
			{
				SetPosY(GetPosY() + 1);
			}
		}

		LastFrame = currFrame;
		m_fLastPosition = GetPosY();

		if(!m_bKnockBack)
		{
			m_fShotTimer = m_fShotTimer - fElapsedTime;

			if( 0.0f == m_fWaitTimer )
			{	
				if(m_SpellType == OBJ_WIND)
				{
					CBase::Update( fElapsedTime );
				}
				else
				{
					CCharacter::Update( fElapsedTime );
				}

				m_nAttackWho = currState->Update( fElapsedTime, this );

				if( m_nAttackWho && m_fShotTimer < 0 )
				{
					m_fWaitTimer += fElapsedTime;
					m_fShotTimer = 2.0f;
					animation->Reset();
					SetAnimation(m_nAnimation,2);

				}
			}
			else
			{
				m_fWaitTimer = m_fWaitTimer + fElapsedTime;

				/*if(m_SpellType !=OBJ_WIND)
				SetPosY( GetPosY( ) + 150.0f * fElapsedTime );*/


				char* pleasework = animation->GetTrigger();
				if(strcmp(pleasework, "Done") == 0)
				{	
					if( 1 == m_nAttackWho )
					{
						currState->Attack( CGameplayState::GetInstance( )->GetPlayerOne( ), this );
					}
					else if( 2 == m_nAttackWho )
					{
						currState->Attack( CGameplayState::GetInstance( )->GetPlayerTwo( ), this );
					}
					animation->Reset();
					SetAnimation(m_nAnimation,0);

					m_fWaitTimer = 0.0f;
				}

			}
		}
		else
		{
			if(m_fKnockBack < 0)
			{
				m_bKnockBack = false;
			}
			else
			{
				CCharacter::Update(fElapsedTime);
				m_fKnockBack-=fElapsedTime * 100;
			}
		}

		if(m_bBurning)
		{
			m_fBurnTimer -= fElapsedTime;

			if(m_fBurnTimer <= 0)
			{
//.........这里部分代码省略.........

void cEntity::BroadcastMovementUpdate(const cClientHandle * a_Exclude)
{
	// Process packet sending every two ticks
	if (GetWorld()->GetWorldAge() % 2 == 0)
	{
		double SpeedSqr = GetSpeed().SqrLength();
		if (SpeedSqr == 0.0)
		{
			// Speed is zero, send this to clients once only as well as an absolute position
			if (!m_bHasSentNoSpeed)
			{
				m_World->BroadcastEntityVelocity(*this, a_Exclude);
				m_World->BroadcastTeleportEntity(*this, a_Exclude);
				m_bHasSentNoSpeed = true;
			}
		}
		else
		{
			// Movin'
			m_World->BroadcastEntityVelocity(*this, a_Exclude);
			m_bHasSentNoSpeed = false;
		}
		
		// TODO: Pickups move disgracefully if relative move packets are sent as opposed to just velocity. Have a system to send relmove only when SetPosXXX() is called with a large difference in position
		int DiffX = (int)(floor(GetPosX() * 32.0) - floor(m_LastPos.x * 32.0));
		int DiffY = (int)(floor(GetPosY() * 32.0) - floor(m_LastPos.y * 32.0));
		int DiffZ = (int)(floor(GetPosZ() * 32.0) - floor(m_LastPos.z * 32.0));

		if ((DiffX != 0) || (DiffY != 0) || (DiffZ != 0)) // Have we moved?
		{
			if ((abs(DiffX) <= 127) && (abs(DiffY) <= 127) && (abs(DiffZ) <= 127)) // Limitations of a Byte
			{
				// Difference within Byte limitations, use a relative move packet
				if (m_bDirtyOrientation)
				{
					m_World->BroadcastEntityRelMoveLook(*this, (char)DiffX, (char)DiffY, (char)DiffZ, a_Exclude);
					m_bDirtyOrientation = false;
				}
				else
				{
					m_World->BroadcastEntityRelMove(*this, (char)DiffX, (char)DiffY, (char)DiffZ, a_Exclude);
				}
				// Clients seem to store two positions, one for the velocity packet and one for the teleport/relmove packet
				// The latter is only changed with a relmove/teleport, and m_LastPos stores this position
				m_LastPos = GetPosition();
			}
			else
			{
				// Too big a movement, do a teleport
				m_World->BroadcastTeleportEntity(*this, a_Exclude);
				m_LastPos = GetPosition(); // See above
				m_bDirtyOrientation = false;
			}
		}

		if (m_bDirtyHead)
		{
			m_World->BroadcastEntityHeadLook(*this, a_Exclude);
			m_bDirtyHead = false;
		}
		if (m_bDirtyOrientation)
		{
			// Send individual update in case above (sending with rel-move packet) wasn't done
			GetWorld()->BroadcastEntityLook(*this, a_Exclude);
			m_bDirtyOrientation = false;
		}
	}
}

void cEntity::TickBurning(cChunk & a_Chunk)
{
	// Remember the current burning state:
	bool HasBeenBurning = (m_TicksLeftBurning > 0);

	if (m_World->IsWeatherWet())
	{
		if (POSY_TOINT > m_World->GetHeight(POSX_TOINT, POSZ_TOINT))
		{
			m_TicksLeftBurning = 0;
		}		
	}
	
	// Do the burning damage:
	if (m_TicksLeftBurning > 0)
	{
		m_TicksSinceLastBurnDamage++;
		if (m_TicksSinceLastBurnDamage >= BURN_TICKS_PER_DAMAGE)
		{
			if (!m_IsFireproof)
			{
				TakeDamage(dtOnFire, NULL, BURN_DAMAGE, 0);
			}
			m_TicksSinceLastBurnDamage = 0;
		}
		m_TicksLeftBurning--;
	}
	
	// Update the burning times, based on surroundings:
	int MinRelX = (int)floor(GetPosX() - m_Width / 2) - a_Chunk.GetPosX() * cChunkDef::Width;
	int MaxRelX = (int)floor(GetPosX() + m_Width / 2) - a_Chunk.GetPosX() * cChunkDef::Width;
	int MinRelZ = (int)floor(GetPosZ() - m_Width / 2) - a_Chunk.GetPosZ() * cChunkDef::Width;
	int MaxRelZ = (int)floor(GetPosZ() + m_Width / 2) - a_Chunk.GetPosZ() * cChunkDef::Width;
	int MinY = std::max(0, std::min(cChunkDef::Height - 1, POSY_TOINT));
	int MaxY = std::max(0, std::min(cChunkDef::Height - 1, (int)ceil (GetPosY() + m_Height)));
	bool HasWater = false;
	bool HasLava = false;
	bool HasFire = false;
	
	for (int x = MinRelX; x <= MaxRelX; x++)
	{
		for (int z = MinRelZ; z <= MaxRelZ; z++)
		{
			int RelX = x;
			int RelZ = z;

			for (int y = MinY; y <= MaxY; y++)
			{
				BLOCKTYPE Block;
				a_Chunk.UnboundedRelGetBlockType(RelX, y, RelZ, Block);
				
				switch (Block)
				{
					case E_BLOCK_FIRE:
					{
						HasFire = true;
						break;
					}
					case E_BLOCK_LAVA:
					case E_BLOCK_STATIONARY_LAVA:
					{
						HasLava = true;
						break;
					}
					case E_BLOCK_STATIONARY_WATER:
					case E_BLOCK_WATER:
					{
						HasWater = true;
						break;
					}
				}  // switch (BlockType)
			}  // for y
		}  // for z
	}  // for x
	
	if (HasWater)
	{
		// Extinguish the fire
		m_TicksLeftBurning = 0;
	}
	
	if (HasLava)
	{
		// Burn:
		m_TicksLeftBurning = BURN_TICKS;
		
		// Periodically damage:
		m_TicksSinceLastLavaDamage++;
		if (m_TicksSinceLastLavaDamage >= LAVA_TICKS_PER_DAMAGE)
		{
			if (!m_IsFireproof)
			{
				TakeDamage(dtLavaContact, NULL, LAVA_DAMAGE, 0);
			}
			m_TicksSinceLastLavaDamage = 0;
		}
	}
	else
	{
		m_TicksSinceLastLavaDamage = 0;
//.........这里部分代码省略.........

void cMonster::DoTakeDamage(TakeDamageInfo & a_TDI)
{
	super::DoTakeDamage(a_TDI);
	if((m_SoundHurt != "") && (m_Health > 0)) m_World->BroadcastSoundEffect(m_SoundHurt, (int)(GetPosX() * 8), (int)(GetPosY() * 8), (int)(GetPosZ() * 8), 1.0f, 0.8f);
	if (a_TDI.Attacker != NULL)
	{
		m_Target = a_TDI.Attacker;
		AddReference(m_Target);
	}
}

void cMonster::KilledBy(cEntity * a_Killer)
{
	super::KilledBy(a_Killer);
	if (m_SoundHurt != "")
	{
		m_World->BroadcastSoundEffect(m_SoundDeath, (int)(GetPosX() * 8), (int)(GetPosY() * 8), (int)(GetPosZ() * 8), 1.0f, 0.8f);
	}
	int Reward;
	switch (m_MobType)
	{
		// Animals
		case cMonster::mtChicken:
		case cMonster::mtCow:
		case cMonster::mtHorse:
		case cMonster::mtPig:
		case cMonster::mtSheep:
		case cMonster::mtSquid:
		case cMonster::mtMooshroom:
		case cMonster::mtOcelot:
		case cMonster::mtWolf:
		{
			Reward = m_World->GetTickRandomNumber(2) + 1;
			break;
		}

		// Monsters
		case cMonster::mtCaveSpider:
		case cMonster::mtCreeper:
		case cMonster::mtEnderman:
		case cMonster::mtGhast:
		case cMonster::mtSilverfish:
		case cMonster::mtSkeleton:
		case cMonster::mtSpider:
		case cMonster::mtWitch:
		case cMonster::mtZombie:
		case cMonster::mtZombiePigman:
		case cMonster::mtSlime:
		case cMonster::mtMagmaCube:
		{
			Reward = 6 + (m_World->GetTickRandomNumber(2));
			break;
		}
		case cMonster::mtBlaze:
		{
			Reward = 10;
			break;
		}

		// Bosses
		case cMonster::mtEnderDragon:
		{
			Reward = 12000;
			break;
		}
		case cMonster::mtWither:
		{
			Reward = 50;
			break;
		}

		default:
		{
			Reward = 0;
			break;
		}
	}
	if ((a_Killer != NULL) && (!IsBaby()))
	{
		m_World->SpawnExperienceOrb(GetPosX(), GetPosY(), GetPosZ(), Reward);
	}
	m_DestroyTimer = 0;
}

//.........这里部分代码省略.........
	{
		return;
	}

	if(obj->GetTypeId() == TYPEID_CORPSE)
	{
		m_corpses.erase(((Corpse*)obj));
	}

	if(!obj->GetMapCell())
	{
		/* set the map cell correctly */
		if(obj->GetPositionX() >= _maxX || obj->GetPositionX() <= _minY ||
			obj->GetPositionY() >= _maxY || obj->GetPositionY() <= _minY)
		{
			// do nothing
		}
		else
		{
			obj->SetMapCell(this->GetCellByCoords(obj->GetPositionX(), obj->GetPositionY()));
		}		
	}

	if(obj->GetMapCell())
	{
		ASSERT(obj->GetMapCell());
	
		// Remove object from cell
		obj->GetMapCell()->RemoveObject(obj);
	
		// Unset object's cell
		obj->SetMapCell(NULL);
	}

	// Clear any updates pending
	if(obj->GetTypeId() == TYPEID_PLAYER)
	{
		_processQueue.erase( static_cast< Player* >( obj ) );
		static_cast< Player* >( obj )->ClearAllPendingUpdates();
	}
	
	// Remove object from all objects 'seeing' him
	for (Object::InRangeSet::iterator iter = obj->GetInRangeSetBegin();
		iter != obj->GetInRangeSetEnd(); ++iter)
	{
		if( (*iter) )
		{
			if( (*iter)->GetTypeId() == TYPEID_PLAYER )
			{
				if( static_cast< Player* >( *iter )->IsVisible( obj ) && static_cast< Player* >( *iter )->m_TransporterGUID != obj->GetGUID() )
					static_cast< Player* >( *iter )->PushOutOfRange(obj->GetNewGUID());
			}
			(*iter)->RemoveInRangeObject(obj);
		}
	}
	
	// Clear object's in-range set
	obj->ClearInRangeSet();

	// If it's a player - update his nearby cells
	if(!_shutdown && obj->GetTypeId() == TYPEID_PLAYER)
	{
		// get x/y
		if(obj->GetPositionX() >= _maxX || obj->GetPositionX() <= _minY ||
			obj->GetPositionY() >= _maxY || obj->GetPositionY() <= _minY)
		{
			// do nothing
		}
		else
		{
			uint32 x = GetPosX(obj->GetPositionX());
			uint32 y = GetPosY(obj->GetPositionY());
			UpdateCellActivity(x, y, 2);
		}
		m_PlayerStorage.erase( static_cast< Player* >( obj )->GetLowGUID() );
	}

	// Remove the session from our set if it is a player.
	if(plObj)
	{
		for(set<Object*>::iterator itr = _mapWideStaticObjects.begin(); itr != _mapWideStaticObjects.end(); ++itr)
		{
			plObj->PushOutOfRange((*itr)->GetNewGUID());
		}

		// Setting an instance ID here will trigger the session to be removed
		// by MapMgr::run(). :)
		plObj->GetSession()->SetInstance(0);

		// Add it to the global session set.
		// Don't "re-add" to session if it is being deleted.
		if(!plObj->GetSession()->bDeleted)
			sWorld.AddGlobalSession(plObj->GetSession());
	}

	if(!HasPlayers() && !InactiveMoveTime && !forced_expire && GetMapInfo()->type != INSTANCE_NULL)
	{
		InactiveMoveTime = UNIXTIME + (MAPMGR_INACTIVE_MOVE_TIME * 60);	   // 5 mins -> move to inactive
	}
}

//.........这里部分代码省略.........
	if(obj->GetMapMgr() != this)
	{
		/* Something removed us. */
		return;
	}

	if(obj->GetPositionX() >= _maxX || obj->GetPositionX() <= _minX ||
		obj->GetPositionY() >= _maxY || obj->GetPositionY() <= _minY)
	{
		if(obj->IsPlayer())
		{
			Player* plr = static_cast< Player* >( obj );
			if(plr->GetBindMapId() != GetMapId())
			{
				plr->SafeTeleport(plr->GetBindMapId(),0,plr->GetBindPositionX(),plr->GetBindPositionY(),plr->GetBindPositionZ(),0);
				plr->GetSession()->SystemMessage("Teleported you to your hearthstone location as you were out of the map boundaries.");
				return;
			}
			else
			{
				obj->GetPositionV()->ChangeCoords(plr->GetBindPositionX(),plr->GetBindPositionY(),plr->GetBindPositionZ(),0);
				plr->GetSession()->SystemMessage("Teleported you to your hearthstone location as you were out of the map boundaries.");
				WorldPacket * data = plr->BuildTeleportAckMsg(plr->GetPosition());
				plr->GetSession()->SendPacket(data);
				delete data;
			}
		}
		else
		{
			obj->GetPositionV()->ChangeCoords(0,0,0,0);
		}
	}

	uint32 cellX = GetPosX(obj->GetPositionX());
	uint32 cellY = GetPosY(obj->GetPositionY());

	if(cellX >= _sizeX || cellY >= _sizeY)
	{
		return;
	}

	MapCell *objCell = GetCell(cellX, cellY);
	MapCell * pOldCell = obj->GetMapCell();
	if (!objCell)
	{
		objCell = Create(cellX,cellY);
		objCell->Init(cellX, cellY, _mapId, this);
	}

	// If object moved cell
	if (objCell != obj->GetMapCell())
	{
		// THIS IS A HACK!
		// Current code, if a creature on a long waypoint path moves from an active
		// cell into an inactive one, it will disable itself and will never return.
		// This is to prevent cpu leaks. I will think of a better solution very soon :P

		if(!objCell->IsActive() && !plObj && obj->Active)
			obj->Deactivate(this);

		if(obj->GetMapCell())
			obj->GetMapCell()->RemoveObject(obj);
	
		objCell->AddObject(obj);
		obj->SetMapCell(objCell);

/** 创建windows窗口 */
bool GLWindow::Create(const char * window_title,const char * class_name,bool fullscreen, HINSTANCE h_instance, LPVOID lpParam)
{
	m_IsFullScreen = fullscreen;
	int nX=0;
	int nY=0;
	PIXELFORMATDESCRIPTOR pfd =											/**< 设置像素描述结构 */
	{
		sizeof(PIXELFORMATDESCRIPTOR),									/**< 像素描述结构的大小 */ 
		1,																/**< 版本号 */
		PFD_DRAW_TO_WINDOW	|											/**< 缓存区的输出显示在一个窗口中 */
		PFD_SUPPORT_OPENGL	|											/**< 缓存区支持OpenGL绘图 */
		PFD_STEREO			|											/**< 颜色缓存区是立体缓存 */
		PFD_DOUBLEBUFFER,												/**< 颜色缓存区是双缓存 */
		PFD_TYPE_RGBA,													/**< 使用RGBA颜色格式 */
		m_BitsPerPixel,													/**< 颜色缓存区中颜色值所占的位深 */
		0, 0, 0, 0, 0, 0,												/**< 使用默认的颜色设置 */
		0,																/**< 无Alpha缓存 */
		0,																/**< 颜色缓存区中alpha成分的移位计数 */
		0,																/**< 无累计缓存区 */
		0, 0, 0, 0,														/**< 累计缓存区无移位 */
		32,																/**< 32位深度缓存 */
		0,																/**< 无蒙版缓存 */
		0,																/**< 无辅助缓存区 */
		PFD_MAIN_PLANE,													/**< 必须为PFD_MAIN_PLANE，设置为主绘图层 */
		0,																/**< 表示OpenGL实现所支持的上层或下层平面的数量 */
		0, 0, 0															/**< 过时，已不再使用 */
	};

	DWORD windowStyle = WS_OVERLAPPEDWINDOW & ~WS_SIZEBOX & ~WS_MAXIMIZEBOX &~WS_MINIMIZEBOX;	/**< 定义我们窗口类型，使用常规设定，去掉最大化按钮，并不能改变窗体大小 */
	DWORD windowExtendedStyle = WS_EX_APPWINDOW;						

	if (m_IsFullScreen == true)											/**< 如果为全屏模式，尝试转化为全屏模式 */
	{
		if (ChangeScreenSetting() == false)
		{																/**< 全屏模式转换失败，弹出对话框提示，并尝试窗口模式 */
			MessageBox(HWND_DESKTOP, "模式转换失败.\n在窗口模式下运行.", "Error", MB_OK | MB_ICONEXCLAMATION);
			m_IsFullScreen = false;										/**< 设置为窗口模式 */
		}
		else															/**< 如果为窗口模式 */
		{
			//ShowCursor(false);											/**< 隐藏鼠标 */
			windowStyle = WS_POPUP;										/**< 设置窗口模式为顶层窗口 */
			windowExtendedStyle |= WS_EX_TOPMOST;						
		}																
	}

	/// 调整我们窗口的大小，使其客户区的大小为我们设置的大小
	RECT windowRect = {GetPosX(), GetPosY(), GetPosX() + GetWidth(), GetPosY() + GetHeight()};
	if (m_IsFullScreen == false)										/**< 在窗口模式下使用 */
	{	
		windowExtendedStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;	/**< 使窗口具有3D外观 */
		int wid = GetSystemMetrics(SM_CXSCREEN);		/**< 获取当前屏幕宽 */
		int hei = GetSystemMetrics(SM_CYSCREEN);		/**< 获取当前屏幕高 */
		nX = (wid - GetWidth()) / 2;                    /**< 计算窗口居中用 */
		nY = (hei - GetHeight()) / 2;			
		/// 调整我们窗口的大小，使其客户区的大小为我们设置的大小
		AdjustWindowRectEx(&windowRect, windowStyle, 0, windowExtendedStyle);
		/// 判断窗口的左上角是否隐藏在桌面外
		if (windowRect.left < 0)										/**< 如果窗口X坐标为负，移动坐标到0处，并调整窗口的位置 */
		{
			windowRect.right -= windowRect.left;						
			windowRect.left = 0;										
		}
		if (windowRect.top < 0)											/**< 如果窗口Y坐标为负，移动坐标到0处，并调整窗口的位置 */
		{
			windowRect.bottom -= windowRect.top;						
			windowRect.top = 0;											
		}
	}

	/// 创建窗口
	m_hWnd = CreateWindowEx(windowExtendedStyle,						/**< 窗口的扩展风格 */
							class_name,									/**< 窗口的类名 */
							window_title,								/**< 窗口标题 */
							windowStyle,								/**< 窗口的风格 */
							nX,nY,                                      /**< 窗口的左上角位置 */
							windowRect.right - windowRect.left,			/**< 窗口的宽度 */
							windowRect.bottom - windowRect.top,			/**< 窗口的高度 */
                            HWND_DESKTOP,								/**< 窗口的父窗口为桌面 */
							0,											/**< 无菜单 */
							h_instance,									/**< 传入窗口的实例句柄 */
							lpParam);									/**< 传入程序类参数 */

	while (m_hWnd != 0)													/**< 窗口是否创建成功 */
	{
		m_hDC = GetDC(m_hWnd);											/**< 返回窗口的设备描述表 */
		if (m_hDC == 0)													/**< 如果为空 */
		{																/**< 失败 */
			break;														
		}

		GLuint PixelFormat = ChoosePixelFormat(m_hDC, &pfd);			/**< 查找一个兼容的像素格式 */
		if (PixelFormat == 0)											/**< 如果没找到 */
		{																/**< 失败 */
			break;														
		}
		if (SetPixelFormat(m_hDC, PixelFormat, &pfd) == false)			/**< 设置像素格式 */
		{																/**< 失败 */
			break;														
//.........这里部分代码省略.........

void cProjectileEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
{
	if (m_IsInGround)
	{
		// Already-grounded projectiles don't move at all
		return;
	}
	
	Vector3d PerTickSpeed = GetSpeed() / 20;
	Vector3d Pos = GetPosition();
	
	// Trace the tick's worth of movement as a line:
	Vector3d NextPos = Pos + PerTickSpeed;
	cProjectileTracerCallback TracerCallback(this);
	if (!cLineBlockTracer::Trace(*m_World, TracerCallback, Pos, NextPos))
	{
		// Something has been hit, abort all other processing
		return;
	}
	// The tracer also checks the blocks for slowdown blocks - water and lava - and stores it for later in its SlowdownCoeff
	
	// Test for entity collisions:
	cProjectileEntityCollisionCallback EntityCollisionCallback(this, Pos, NextPos);
	a_Chunk.ForEachEntity(EntityCollisionCallback);
	if (EntityCollisionCallback.HasHit())
	{
		// An entity was hit:
		Vector3d HitPos = Pos + (NextPos - Pos) * EntityCollisionCallback.GetMinCoeff();

		// DEBUG:
		LOGD("Projectile %d has hit an entity %d (%s) at {%.02f, %.02f, %.02f} (coeff %.03f)",
			m_UniqueID,
			EntityCollisionCallback.GetHitEntity()->GetUniqueID(),
			EntityCollisionCallback.GetHitEntity()->GetClass(),
			HitPos.x, HitPos.y, HitPos.z,
			EntityCollisionCallback.GetMinCoeff()
		);
		
		OnHitEntity(*(EntityCollisionCallback.GetHitEntity()), HitPos);
	}
	// TODO: Test the entities in the neighboring chunks, too

	// Update the position:
	SetPosition(NextPos);
	
	// Add slowdown and gravity effect to the speed:
	Vector3d NewSpeed(GetSpeed());
	NewSpeed.y += m_Gravity / 20;
	NewSpeed *= TracerCallback.GetSlowdownCoeff();
	SetSpeed(NewSpeed);
	SetRotationFromSpeed();
	SetPitchFromSpeed();

	// DEBUG:
	LOGD("Projectile %d: pos {%.02f, %.02f, %.02f}, speed {%.02f, %.02f, %.02f}, rot {%.02f, %.02f}",
		m_UniqueID,
		GetPosX(), GetPosY(), GetPosZ(),
		GetSpeedX(), GetSpeedY(), GetSpeedZ(),
		GetRotation(), GetPitch()
	);
}

void CBase::Update(float fElapsedTime)
{
	SetPosX( GetPosX() + GetVelX() * fElapsedTime );
	SetPosY( GetPosY() + GetVelY() * fElapsedTime );
}

/// Moves pickups from above this hopper into it. Returns true if the contents have changed.
bool cHopperEntity::MovePickupsIn(cChunk & a_Chunk, Int64 a_CurrentTick)
{
	UNUSED(a_CurrentTick);

	class cHopperPickupSearchCallback :
		public cEntityCallback
	{
	public:
		cHopperPickupSearchCallback(const Vector3i & a_Pos, cItemGrid & a_Contents) :
			m_Pos(a_Pos),
			m_bFoundPickupsAbove(false),
			m_Contents(a_Contents)
		{
		}

		virtual bool Item(cEntity * a_Entity) override
		{
			ASSERT(a_Entity != NULL);

			if (!a_Entity->IsPickup() || a_Entity->IsDestroyed())
			{
				return false;
			}

			Vector3f EntityPos = a_Entity->GetPosition();
			Vector3f BlockPos(m_Pos.x + 0.5f, (float)m_Pos.y + 1, m_Pos.z + 0.5f);  // One block above hopper, and search from center outwards
			double Distance = (EntityPos - BlockPos).Length();

			if (Distance < 0.5)
			{
				if (TrySuckPickupIn((cPickup *)a_Entity))
				{
					return false;
				}
			}

			return false;
		}

		bool TrySuckPickupIn(cPickup * a_Pickup)
		{
			cItem & Item = a_Pickup->GetItem();

			for (int i = 0; i < ContentsWidth * ContentsHeight; i++)
			{
				if (m_Contents.IsSlotEmpty(i))
				{
					m_bFoundPickupsAbove = true;
					m_Contents.SetSlot(i, Item);
					a_Pickup->Destroy();  // Kill pickup

					return true;
				}
				else if (m_Contents.GetSlot(i).IsEqual(Item) && !m_Contents.GetSlot(i).IsFullStack())
				{
					m_bFoundPickupsAbove = true;

					int PreviousCount = m_Contents.GetSlot(i).m_ItemCount;
					
					Item.m_ItemCount -= m_Contents.ChangeSlotCount(i, Item.m_ItemCount) - PreviousCount;  // Set count to however many items were added
					
					if (Item.IsEmpty())
					{
						a_Pickup->Destroy();  // Kill pickup if all items were added
					}
					return true;
				}
			}
			return false;
		}

		bool FoundPickupsAbove(void) const
		{
			return m_bFoundPickupsAbove;
		}

	protected:
		Vector3i m_Pos;
		bool m_bFoundPickupsAbove;
		cItemGrid & m_Contents;
	};

	cHopperPickupSearchCallback HopperPickupSearchCallback(Vector3i(GetPosX(), GetPosY(), GetPosZ()), m_Contents);
	a_Chunk.ForEachEntity(HopperPickupSearchCallback);

	return HopperPickupSearchCallback.FoundPickupsAbove();
}