From 496c337cdfa593654018c171f6a74c28272265b5 Mon Sep 17 00:00:00 2001
From: peterbell10 <peterbell10@live.co.uk>
Date: Fri, 1 Sep 2017 12:04:50 +0100
Subject: Replace ItemCallbacks with lambdas (#3948)

---
 src/Mobs/Wolf.cpp | 45 +++++++++++++++++----------------------------
 1 file changed, 17 insertions(+), 28 deletions(-)

(limited to 'src/Mobs/Wolf.cpp')

diff --git a/src/Mobs/Wolf.cpp b/src/Mobs/Wolf.cpp
index f3b859c76..45df3dd05 100644
--- a/src/Mobs/Wolf.cpp
+++ b/src/Mobs/Wolf.cpp
@@ -80,19 +80,13 @@ void cWolf::NotifyAlliesOfFight(cPawn * a_Opponent)
 		return;
 	}
 	m_NotificationCooldown = 15;
-	class cCallback : public cPlayerListCallback
-	{
-		virtual bool Item(cPlayer * a_Player) override
+
+	m_World->DoWithPlayerByUUID(m_OwnerUUID, [=](cPlayer & a_Player)
 		{
-			a_Player->NotifyNearbyWolves(m_Opponent, false);
+			a_Player.NotifyNearbyWolves(a_Opponent, false);
 			return false;
 		}
-	public:
-		cPawn * m_Opponent;
-	} Callback;
-
-	Callback.m_Opponent = a_Opponent;
-	m_World->DoWithPlayerByUUID(m_OwnerUUID, Callback);
+	);
 }
 
 bool cWolf::Attack(std::chrono::milliseconds a_Dt)
@@ -347,30 +341,25 @@ void cWolf::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 
 void cWolf::TickFollowPlayer()
 {
-	class cCallback :
-		public cPlayerListCallback
+	Vector3d OwnerPos;
+	bool OwnerFlying;
+	auto Callback = [&](cPlayer & a_Player)
 	{
-		virtual bool Item(cPlayer * a_Player) override
-		{
-			OwnerPos = a_Player->GetPosition();
-			OwnerFlying = a_Player->IsFlying();
-			return true;
-		}
-	public:
-		Vector3d OwnerPos;
-		bool OwnerFlying;
-	} Callback;
+		OwnerPos = a_Player.GetPosition();
+		OwnerFlying = a_Player.IsFlying();
+		return true;
+	};
 
 	if (m_World->DoWithPlayerByUUID(m_OwnerUUID, Callback))
 	{
 		// The player is present in the world, follow him:
-		double Distance = (Callback.OwnerPos - GetPosition()).Length();
+		double Distance = (OwnerPos - GetPosition()).Length();
 		if (Distance > 20)
 		{
-			if (!Callback.OwnerFlying)
+			if (!OwnerFlying)
 			{
-				Callback.OwnerPos.y = FindFirstNonAirBlockPosition(Callback.OwnerPos.x, Callback.OwnerPos.z);
-				TeleportToCoords(Callback.OwnerPos.x, Callback.OwnerPos.y, Callback.OwnerPos.z);
+				OwnerPos.y = FindFirstNonAirBlockPosition(OwnerPos.x, OwnerPos.z);
+				TeleportToCoords(OwnerPos.x, OwnerPos.y, OwnerPos.z);
 				SetTarget(nullptr);
 			}
 		}
@@ -385,9 +374,9 @@ void cWolf::TickFollowPlayer()
 		{
 			if (GetTarget() == nullptr)
 			{
-				if (!Callback.OwnerFlying)
+				if (!OwnerFlying)
 				{
-					MoveToPosition(Callback.OwnerPos);
+					MoveToPosition(OwnerPos);
 				}
 			}
 		}
-- 
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