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authorTiger Wang <ziwei.tiger@outlook.com>2017-08-18 12:17:56 +0200
committerGitHub <noreply@github.com>2017-08-18 12:17:56 +0200
commit72d7027861a3b7e7e8bb5fdcbbc5a1a778fa7f82 (patch)
treec1c1a040332d4ba1f784be25c67c9800e85015eb /src/Entities
parentSitting cats block enderchests from opening (#3906) (diff)
parentChanged entity ownership model to use smart pointers (diff)
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Diffstat (limited to 'src/Entities')
-rw-r--r--src/Entities/Entity.cpp19
-rw-r--r--src/Entities/Entity.h4
-rw-r--r--src/Entities/Player.cpp14
-rw-r--r--src/Entities/Player.h2
-rw-r--r--src/Entities/ProjectileEntity.cpp22
-rw-r--r--src/Entities/ProjectileEntity.h2
6 files changed, 33 insertions, 30 deletions
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 245ae84bf..a38a6552d 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -135,9 +135,9 @@ const char * cEntity::GetParentClass(void) const
-bool cEntity::Initialize(cWorld & a_World)
+bool cEntity::Initialize(OwnedEntity a_Self, cWorld & a_EntityWorld)
{
- if (cPluginManager::Get()->CallHookSpawningEntity(a_World, *this))
+ if (cPluginManager::Get()->CallHookSpawningEntity(a_EntityWorld, *this))
{
return false;
}
@@ -151,13 +151,13 @@ bool cEntity::Initialize(cWorld & a_World)
ASSERT(m_World == nullptr);
ASSERT(GetParentChunk() == nullptr);
- a_World.AddEntity(this);
+ a_EntityWorld.AddEntity(std::move(a_Self));
ASSERT(m_World != nullptr);
- cPluginManager::Get()->CallHookSpawnedEntity(a_World, *this);
+ cPluginManager::Get()->CallHookSpawnedEntity(a_EntityWorld, *this);
// Spawn the entity on the clients:
- a_World.BroadcastSpawnEntity(*this);
+ a_EntityWorld.BroadcastSpawnEntity(*this);
return true;
}
@@ -230,8 +230,10 @@ void cEntity::Destroy(bool a_ShouldBroadcast)
this->GetUniqueID(), this->GetClass(),
ParentChunk->GetPosX(), ParentChunk->GetPosZ()
);
- ParentChunk->RemoveEntity(this);
- delete this;
+
+ // Make sure that RemoveEntity returned a valid smart pointer
+ // Also, not storing the returned pointer means automatic destruction
+ VERIFY(ParentChunk->RemoveEntity(*this));
});
Destroyed();
}
@@ -1581,8 +1583,7 @@ bool cEntity::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn, Vector3d
a_OldWorld.GetName().c_str(), a_World->GetName().c_str(),
ParentChunk->GetPosX(), ParentChunk->GetPosZ()
);
- ParentChunk->RemoveEntity(this);
- a_World->AddEntity(this);
+ a_World->AddEntity(ParentChunk->RemoveEntity(*this));
cRoot::Get()->GetPluginManager()->CallHookEntityChangedWorld(*this, a_OldWorld);
});
return true;
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 8991b9fad..8f433b816 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -157,7 +157,7 @@ public:
/** Spawns the entity in the world; returns true if spawned, false if not (plugin disallowed).
Adds the entity to the world. */
- virtual bool Initialize(cWorld & a_World);
+ virtual bool Initialize(OwnedEntity a_Self, cWorld & a_EntityWorld);
// tolua_begin
@@ -670,8 +670,6 @@ private:
int m_InvulnerableTicks;
} ; // tolua_export
-typedef std::list<cEntity *> cEntityList;
-
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 3e6d912dd..a1b518cbc 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -149,12 +149,12 @@ cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) :
-bool cPlayer::Initialize(cWorld & a_World)
+bool cPlayer::Initialize(OwnedEntity a_Self, cWorld & a_World)
{
UNUSED(a_World);
ASSERT(GetWorld() != nullptr);
ASSERT(GetParentChunk() == nullptr);
- GetWorld()->AddPlayer(this);
+ GetWorld()->AddPlayer(std::unique_ptr<cPlayer>(static_cast<cPlayer *>(a_Self.release())));
cPluginManager::Get()->CallHookSpawnedEntity(*GetWorld(), *this);
@@ -2009,7 +2009,9 @@ bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn, Vector3d
GetWorld()->BroadcastDestroyEntity(*this);
// Remove player from world
- GetWorld()->RemovePlayer(this, false);
+ // Make sure that RemovePlayer didn't return a valid smart pointer, due to the second parameter being false
+ // We remain valid and not destructed after this call
+ VERIFY(!GetWorld()->RemovePlayer(*this, false));
// Set position to the new position
SetPosition(a_NewPosition);
@@ -2051,8 +2053,10 @@ bool cPlayer::DoMoveToWorld(cWorld * a_World, bool a_ShouldSendRespawn, Vector3d
a_OldWorld.GetName().c_str(), a_World->GetName().c_str(),
ParentChunk->GetPosX(), ParentChunk->GetPosZ()
);
- ParentChunk->RemoveEntity(this);
- a_World->AddPlayer(this, &a_OldWorld); // New world will take over and announce client at its next tick
+
+ // New world will take over and announce client at its next tick
+ auto PlayerPtr = static_cast<cPlayer *>(ParentChunk->RemoveEntity(*this).release());
+ a_World->AddPlayer(std::unique_ptr<cPlayer>(PlayerPtr), &a_OldWorld);
});
return true;
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index c00dbc7f1..8c21c25d6 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -41,7 +41,7 @@ public:
cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName);
- virtual bool Initialize(cWorld & a_World) override;
+ virtual bool Initialize(OwnedEntity a_Self, cWorld & a_World) override;
virtual ~cPlayer() override;
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index 64522acef..d1e101964 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -260,7 +260,7 @@ cProjectileEntity::cProjectileEntity(eKind a_Kind, cEntity * a_Creator, const Ve
-cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem * a_Item, const Vector3d * a_Speed)
+std::unique_ptr<cProjectileEntity> cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem * a_Item, const Vector3d * a_Speed)
{
Vector3d Speed;
if (a_Speed != nullptr)
@@ -270,15 +270,15 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator,
switch (a_Kind)
{
- case pkArrow: return new cArrowEntity (a_Creator, a_X, a_Y, a_Z, Speed);
- case pkEgg: return new cThrownEggEntity (a_Creator, a_X, a_Y, a_Z, Speed);
- case pkEnderPearl: return new cThrownEnderPearlEntity(a_Creator, a_X, a_Y, a_Z, Speed);
- case pkSnowball: return new cThrownSnowballEntity (a_Creator, a_X, a_Y, a_Z, Speed);
- case pkGhastFireball: return new cGhastFireballEntity (a_Creator, a_X, a_Y, a_Z, Speed);
- case pkFireCharge: return new cFireChargeEntity (a_Creator, a_X, a_Y, a_Z, Speed);
- case pkExpBottle: return new cExpBottleEntity (a_Creator, a_X, a_Y, a_Z, Speed);
- case pkSplashPotion: return new cSplashPotionEntity (a_Creator, a_X, a_Y, a_Z, Speed, *a_Item);
- case pkWitherSkull: return new cWitherSkullEntity (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkArrow: return cpp14::make_unique<cArrowEntity> (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkEgg: return cpp14::make_unique<cThrownEggEntity> (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkEnderPearl: return cpp14::make_unique<cThrownEnderPearlEntity>(a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkSnowball: return cpp14::make_unique<cThrownSnowballEntity> (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkGhastFireball: return cpp14::make_unique<cGhastFireballEntity> (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkFireCharge: return cpp14::make_unique<cFireChargeEntity> (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkExpBottle: return cpp14::make_unique<cExpBottleEntity> (a_Creator, a_X, a_Y, a_Z, Speed);
+ case pkSplashPotion: return cpp14::make_unique<cSplashPotionEntity> (a_Creator, a_X, a_Y, a_Z, Speed, *a_Item);
+ case pkWitherSkull: return cpp14::make_unique<cWitherSkullEntity> (a_Creator, a_X, a_Y, a_Z, Speed);
case pkFirework:
{
ASSERT(a_Item != nullptr);
@@ -287,7 +287,7 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator,
return nullptr;
}
- return new cFireworkEntity(a_Creator, a_X, a_Y, a_Z, *a_Item);
+ return cpp14::make_unique<cFireworkEntity>(a_Creator, a_X, a_Y, a_Z, *a_Item);
}
case pkFishingFloat: break;
}
diff --git a/src/Entities/ProjectileEntity.h b/src/Entities/ProjectileEntity.h
index b354c7cfc..da8c650f5 100644
--- a/src/Entities/ProjectileEntity.h
+++ b/src/Entities/ProjectileEntity.h
@@ -46,7 +46,7 @@ public:
cProjectileEntity(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, double a_Width, double a_Height);
cProjectileEntity(eKind a_Kind, cEntity * a_Creator, const Vector3d & a_Pos, const Vector3d & a_Speed, double a_Width, double a_Height);
- static cProjectileEntity * Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem * a_Item, const Vector3d * a_Speed = nullptr);
+ static std::unique_ptr<cProjectileEntity> Create(eKind a_Kind, cEntity * a_Creator, double a_X, double a_Y, double a_Z, const cItem * a_Item, const Vector3d * a_Speed = nullptr);
/** Called by the physics blocktracer when the entity hits a solid block, the hit position and the face hit (BLOCK_FACE_) is given */
virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace);