Merge pull request #1139 from Howaner/Hooks

Add hook HOOK_PLAYER_FOOD_LEVEL_CHANGE

MCServer/Plugins/APIDump/Hooks/OnPlayerFoodLevelChange.lua

@@ -0,0 +1,27 @@
+return
+{
+	HOOK_PLAYER_FOOD_LEVEL_CHANGE =
+	{
+		CalledWhen = "Called before the player food level changed. Plugin may override",
+		DefaultFnName = "OnPlayerFoodLevelChange", -- also used as pagename
+		Desc = [[
+			This hook is called before the food level changes.
+			The food level is not changed yet, plugins may choose
+			to refuse the change.
+		]],
+		Params =
+		{
+			{ Name = "Player", Type = "{{cPlayer}}", Notes = "The player who changes the food level." },
+			{ Name = "NewFoodLevel", Type = "number", Notes = "The new food level." },
+		},
+		Returns = [[
+			If the function returns false or no value, the next plugin's callback is called. Afterwards, the
+			server changes the food level of the player. If the function returns true, no
+			other callback is called for this event and the player's food level doesn't change.
+		]],
+	}, -- HOOK_PLAYER_FOOD_LEVEL_CHANGE
+};
+
+
+
+

src/Bindings/Plugin.h

@@ -72,6 +72,7 @@ public:
 	virtual bool OnPlayerEating             (cPlayer & a_Player) = 0;
 	virtual bool OnPlayerFished             (cPlayer & a_Player, const cItems & a_Reward) = 0;
 	virtual bool OnPlayerFishing            (cPlayer & a_Player, cItems & a_Reward) = 0;
+	virtual bool OnPlayerFoodLevelChange    (cPlayer & a_Player, int a_NewFoodLevel) = 0;
 	virtual bool OnPlayerJoined             (cPlayer & a_Player) = 0;
 	virtual bool OnPlayerLeftClick          (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status) = 0;
 	virtual bool OnPlayerMoved              (cPlayer & a_Player) = 0;

src/Bindings/PluginLua.cpp

@@ -715,6 +715,26 @@ bool cPluginLua::OnPlayerEating(cPlayer & a_Player)
 
 
 
+bool cPluginLua::OnPlayerFoodLevelChange(cPlayer & a_Player, int a_NewFoodLevel)
+{
+	cCSLock Lock(m_CriticalSection);
+	bool res = false;
+	cLuaRefs & Refs = m_HookMap[cPluginManager::HOOK_PLAYER_FOOD_LEVEL_CHANGE];
+	for (cLuaRefs::iterator itr = Refs.begin(), end = Refs.end(); itr != end; ++itr)
+	{
+		m_LuaState.Call((int)(**itr), &a_Player, a_NewFoodLevel, cLuaState::Return, res);
+		if (res)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+
+
+
+
 bool cPluginLua::OnPlayerFished(cPlayer & a_Player, const cItems & a_Reward)
 {
 	cCSLock Lock(m_CriticalSection);

src/Bindings/PluginLua.h

@@ -95,6 +95,7 @@ public:
 	virtual bool OnPlayerEating             (cPlayer & a_Player) override;
 	virtual bool OnPlayerFished             (cPlayer & a_Player, const cItems & a_Reward) override;
 	virtual bool OnPlayerFishing            (cPlayer & a_Player, cItems & a_Reward) override;
+	virtual bool OnPlayerFoodLevelChange    (cPlayer & a_Player, int a_NewFoodLevel) override;
 	virtual bool OnPlayerJoined             (cPlayer & a_Player) override;
 	virtual bool OnPlayerMoved              (cPlayer & a_Player) override;
 	virtual bool OnPlayerLeftClick          (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status) override;

src/Bindings/PluginManager.cpp

@@ -695,6 +695,25 @@ bool cPluginManager::CallHookPlayerEating(cPlayer & a_Player)
 
 
 
+bool cPluginManager::CallHookPlayerFoodLevelChange(cPlayer & a_Player, int a_NewFoodLevel)
+{
+	FIND_HOOK(HOOK_PLAYER_FOOD_LEVEL_CHANGE);
+	VERIFY_HOOK;
+
+	for (PluginList::iterator itr = Plugins->second.begin(); itr != Plugins->second.end(); ++itr)
+	{
+		if ((*itr)->OnPlayerFoodLevelChange(a_Player, a_NewFoodLevel))
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+
+
+
+
 bool cPluginManager::CallHookPlayerFished(cPlayer & a_Player, const cItems a_Reward)
 {
 	FIND_HOOK(HOOK_PLAYER_FISHED);

src/Bindings/PluginManager.h

@@ -87,6 +87,7 @@ public:																	// tolua_export
 		HOOK_PLAYER_EATING,
 		HOOK_PLAYER_FISHED,
 		HOOK_PLAYER_FISHING,
+		HOOK_PLAYER_FOOD_LEVEL_CHANGE,
 		HOOK_PLAYER_JOINED,
 		HOOK_PLAYER_LEFT_CLICK,
 		HOOK_PLAYER_MOVING,
@@ -188,6 +189,7 @@ public:																	// tolua_export
 	bool CallHookPlayerEating             (cPlayer & a_Player);
 	bool CallHookPlayerFished             (cPlayer & a_Player, const cItems a_Reward);
 	bool CallHookPlayerFishing            (cPlayer & a_Player, cItems a_Reward);
+	bool CallHookPlayerFoodLevelChange    (cPlayer & a_Player, int a_NewFoodLevel);
 	bool CallHookPlayerJoined             (cPlayer & a_Player);
 	bool CallHookPlayerMoving             (cPlayer & a_Player);
 	bool CallHookPlayerLeftClick          (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status);

src/ClientHandle.cpp

@@ -1223,9 +1223,7 @@ void cClientHandle::HandleRightClick(int a_BlockX, int a_BlockY, int a_BlockZ, e
 		{
 			// A plugin won't let us eat, abort (send the proper packets to the client, too):
 			m_Player->AbortEating();
-			return;
 		}
-		return;
 	}
 	else
 	{

src/Entities/Player.cpp

@@ -37,9 +37,9 @@ cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
 	: super(etPlayer, 0.6, 1.8)
 	, m_bVisible(true)
 	, m_FoodLevel(MAX_FOOD_LEVEL)
-	, m_FoodSaturationLevel(5)
+	, m_FoodSaturationLevel(5.0)
 	, m_FoodTickTimer(0)
-	, m_FoodExhaustionLevel(0)
+	, m_FoodExhaustionLevel(0.0)
 	, m_FoodPoisonedTicksRemaining(0)
 	, m_LastJumpHeight(0)
 	, m_LastGroundHeight(0)
@@ -521,7 +521,15 @@ void cPlayer::Heal(int a_Health)
 
 void cPlayer::SetFoodLevel(int a_FoodLevel)
 {
-	m_FoodLevel = std::max(0, std::min(a_FoodLevel, (int)MAX_FOOD_LEVEL));
+	int FoodLevel = std::max(0, std::min(a_FoodLevel, (int)MAX_FOOD_LEVEL));
+
+	if (cRoot::Get()->GetPluginManager()->CallHookPlayerFoodLevelChange(*this, FoodLevel))
+	{
+		m_FoodSaturationLevel = 5.0;
+		return;
+	}
+	
+	m_FoodLevel = FoodLevel;
 	SendHealth();
 }
 
@@ -571,11 +579,9 @@ bool cPlayer::Feed(int a_Food, double a_Saturation)
 	{
 		return false;
 	}
-	
-	m_FoodLevel = std::min(a_Food + m_FoodLevel, (int)MAX_FOOD_LEVEL);
-	m_FoodSaturationLevel = std::min(m_FoodSaturationLevel + a_Saturation, (double)m_FoodLevel);
-	
-	SendHealth();
+
+	SetFoodSaturationLevel(m_FoodSaturationLevel + a_Saturation);
+	SetFoodLevel(m_FoodLevel + a_Food);
 	return true;
 }
 
@@ -969,7 +975,7 @@ void cPlayer::Respawn(void)
 	
 	// Reset food level:
 	m_FoodLevel = MAX_FOOD_LEVEL;
-	m_FoodSaturationLevel = 5;
+	m_FoodSaturationLevel = 5.0;
 
 	// Reset Experience
 	m_CurrentXp = 0;
@@ -1895,16 +1901,13 @@ void cPlayer::TickBurning(cChunk & a_Chunk)
 void cPlayer::HandleFood(void)
 {
 	// Ref.: http://www.minecraftwiki.net/wiki/Hunger
-	
+
 	if (IsGameModeCreative())
 	{
 		// Hunger is disabled for Creative
 		return;
 	}
-	
-	// Remember the food level before processing, for later comparison
-	int LastFoodLevel = m_FoodLevel;
-	
+
 	// Heal or damage, based on the food level, using the m_FoodTickTimer:
 	if ((m_FoodLevel > 17) || (m_FoodLevel <= 0))
 	{
@@ -1917,7 +1920,7 @@ void cPlayer::HandleFood(void)
 			{
 				// Regenerate health from food, incur 3 pts of food exhaustion:
 				Heal(1);
-				m_FoodExhaustionLevel += 3;
+				m_FoodExhaustionLevel += 3.0;
 			}
 			else if ((m_FoodLevel <= 0) && (m_Health > 1))
 			{
@@ -1926,7 +1929,7 @@ void cPlayer::HandleFood(void)
 			}
 		}
 	}
-	
+
 	// Apply food poisoning food exhaustion:
 	if (m_FoodPoisonedTicksRemaining > 0)
 	{
@@ -1939,24 +1942,19 @@ void cPlayer::HandleFood(void)
 	}
 
 	// Apply food exhaustion that has accumulated:
-	if (m_FoodExhaustionLevel >= 4)
+	if (m_FoodExhaustionLevel >= 4.0)
 	{
-		m_FoodExhaustionLevel -= 4;
+		m_FoodExhaustionLevel -= 4.0;
 
-		if (m_FoodSaturationLevel >= 1)
+		if (m_FoodSaturationLevel >= 1.0)
 		{
-			m_FoodSaturationLevel -= 1;
+			m_FoodSaturationLevel -= 1.0;
 		}
 		else
 		{
-			m_FoodLevel = std::max(m_FoodLevel - 1, 0);
+			SetFoodLevel(m_FoodLevel - 1);
 		}
 	}
-	
-	if (m_FoodLevel != LastFoodLevel)
-	{
-		SendHealth();
-	}
 }