5 files changed, 134 insertions, 135 deletions

diff --git a/Server/Plugins/APIDump/APIDesc.lua b/Server/Plugins/APIDump/APIDesc.lua
index 58a79fb66..288466303 100644
--- a/Server/Plugins/APIDump/APIDesc.lua
+++ b/Server/Plugins/APIDump/APIDesc.lua
@@ -3019,6 +3019,17 @@ local Hash = cCryptoHash.sha1HexString("DataToHash")
 					},
 					Notes = "Adds the specified amount of speed in the Z axis direction.",
 				},
+				ApplyArmorDamage =
+				{
+					Params =
+					{
+						{
+							Name = "DamageBlocked",
+							Type = "number",
+						},
+					},
+					Notes = "Lowers armor durability, as if the armor blocked the given amount of damage.",
+				},
 				ArmorCoversAgainst =
 				{
 					Params =
@@ -3124,6 +3135,31 @@ local Hash = cCryptoHash.sha1HexString("DataToHash")
 					},
 					Notes = "Returns the entity classname that this class implements. Each descendant overrides this function.",
 				},
+				GetEnchantmentCoverAgainst =
+				{
+					Params =
+					{
+						{
+							Name = "AttackerEntity",
+							Type = "cEntity",
+						},
+						{
+							Name = "DamageType",
+							Type = "eDamageType",
+						},
+						{
+							Name = "RawDamage",
+							Type = "number",
+						},
+					},
+					Returns =
+					{
+						{
+							Type = "number",
+						},
+					},
+					Notes = "Returns the number of hitpoints out of RawDamage that the enchantments on the currently equipped armor would cover. See {{TakeDamageInfo}} for more information on attack damage.",
+				},
 				GetEntityType =
 				{
 					Returns =
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index f2836de9b..b596bc93d 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -268,7 +268,16 @@ void cEntity::TakeDamage(cEntity & a_Attacker)
 
 void cEntity::TakeDamage(eDamageType a_DamageType, cEntity * a_Attacker, int a_RawDamage, double a_KnockbackAmount)
 {
-	int FinalDamage = a_RawDamage - GetArmorCoverAgainst(a_Attacker, a_DamageType, a_RawDamage);
+	int ArmorCover = GetArmorCoverAgainst(a_Attacker, a_DamageType, a_RawDamage);
+	int EnchantmentCover = GetEnchantmentCoverAgainst(a_Attacker, a_DamageType, a_RawDamage);
+	int FinalDamage = a_RawDamage - ArmorCover - EnchantmentCover;
+	if ((FinalDamage == 0) && (a_RawDamage > 0))
+	{
+		// Nobody's invincible
+		FinalDamage = 1;
+	}
+	ApplyArmorDamage(ArmorCover);
+
 	cEntity::TakeDamage(a_DamageType, a_Attacker, a_RawDamage, FinalDamage, a_KnockbackAmount);
 }
 
@@ -278,7 +287,7 @@ void cEntity::TakeDamage(eDamageType a_DamageType, cEntity * a_Attacker, int a_R
 
 void cEntity::TakeDamage(eDamageType a_DamageType, UInt32 a_AttackerID, int a_RawDamage, double a_KnockbackAmount)
 {
-	class cNotifyWolves : public cEntityCallback
+	class cFindEntity : public cEntityCallback
 	{
 	public:
 
@@ -300,8 +309,7 @@ void cEntity::TakeDamage(eDamageType a_DamageType, UInt32 a_AttackerID, int a_Ra
 			}
 
 
-			int FinalDamage = m_RawDamage - m_Entity->GetArmorCoverAgainst(Attacker, m_DamageType, m_RawDamage);
-			m_Entity->TakeDamage(m_DamageType, Attacker, m_RawDamage, FinalDamage, m_KnockbackAmount);
+			m_Entity->TakeDamage(m_DamageType, Attacker, m_RawDamage, m_KnockbackAmount);
 			return true;
 		}
 	} Callback;
@@ -517,118 +525,8 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 		Player->GetStatManager().AddValue(statDamageDealt, static_cast<StatValue>(floor(a_TDI.FinalDamage * 10 + 0.5)));
 	}
 
-	if (IsPlayer())
-	{
-		double TotalEPF = 0.0;
-		double EPFProtection = 0.00;
-		double EPFFireProtection = 0.00;
-		double EPFBlastProtection = 0.00;
-		double EPFProjectileProtection = 0.00;
-		double EPFFeatherFalling = 0.00;
-
-		const cItem ArmorItems[] = { GetEquippedHelmet(), GetEquippedChestplate(), GetEquippedLeggings(), GetEquippedBoots() };
-		for (size_t i = 0; i < ARRAYCOUNT(ArmorItems); i++)
-		{
-			const cItem & Item = ArmorItems[i];
-			int Level = static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchProtection));
-			if (Level > 0)
-			{
-				EPFProtection += (6 + Level * Level) * 0.75 / 3;
-			}
-
-			Level = static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchFireProtection));
-			if (Level > 0)
-			{
-				EPFFireProtection += (6 + Level * Level) * 1.25 / 3;
-			}
-
-			Level = static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchFeatherFalling));
-			if (Level > 0)
-			{
-				EPFFeatherFalling += (6 + Level * Level) * 2.5 / 3;
-			}
-
-			Level = static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchBlastProtection));
-			if (Level > 0)
-			{
-				EPFBlastProtection += (6 + Level * Level) * 1.5 / 3;
-			}
-
-			Level = static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchProjectileProtection));
-			if (Level > 0)
-			{
-				EPFProjectileProtection += (6 + Level * Level) * 1.5 / 3;
-			}
-
-		}
-
-		TotalEPF = EPFProtection + EPFFireProtection + EPFFeatherFalling + EPFBlastProtection + EPFProjectileProtection;
-
-		EPFProtection = EPFProtection / TotalEPF;
-		EPFFireProtection = EPFFireProtection / TotalEPF;
-		EPFFeatherFalling = EPFFeatherFalling / TotalEPF;
-		EPFBlastProtection = EPFBlastProtection / TotalEPF;
-		EPFProjectileProtection = EPFProjectileProtection / TotalEPF;
-
-		if (TotalEPF > 25)
-		{
-			TotalEPF = 25;
-		}
-
-		float RandomValue = GetRandomProvider().RandReal(0.5f, 1.0f);
-
-		TotalEPF = ceil(TotalEPF * RandomValue);
-
-		if (TotalEPF > 20)
-		{
-			TotalEPF = 20;
-		}
-
-		EPFProtection = TotalEPF * EPFProtection;
-		EPFFireProtection = TotalEPF * EPFFireProtection;
-		EPFFeatherFalling = TotalEPF * EPFFeatherFalling;
-		EPFBlastProtection = TotalEPF * EPFBlastProtection;
-		EPFProjectileProtection = TotalEPF * EPFProjectileProtection;
-
-		int RemovedDamage = 0;
-
-		if ((a_TDI.DamageType != dtInVoid) && (a_TDI.DamageType != dtAdmin))
-		{
-			RemovedDamage += CeilC(EPFProtection * 0.04 * a_TDI.FinalDamage);
-		}
-
-		if ((a_TDI.DamageType == dtFalling) || (a_TDI.DamageType == dtEnderPearl))
-		{
-			RemovedDamage += CeilC(EPFFeatherFalling * 0.04 * a_TDI.FinalDamage);
-		}
-
-		if (a_TDI.DamageType == dtBurning)
-		{
-			RemovedDamage += CeilC(EPFFireProtection * 0.04 * a_TDI.FinalDamage);
-		}
-
-		if (a_TDI.DamageType == dtExplosion)
-		{
-			RemovedDamage += CeilC(EPFBlastProtection * 0.04 * a_TDI.FinalDamage);
-		}
-
-		if (a_TDI.DamageType == dtProjectile)
-		{
-			RemovedDamage += CeilC(EPFBlastProtection * 0.04 * a_TDI.FinalDamage);
-		}
-
-		if (a_TDI.FinalDamage < RemovedDamage)
-		{
-			RemovedDamage = 0;
-		}
-
-		a_TDI.FinalDamage -= RemovedDamage;
-	}
-
 	m_Health -= static_cast<short>(a_TDI.FinalDamage);
 
-	// TODO: Apply damage to armor
-
 	m_Health = std::max(m_Health, 0);
 
 	// Add knockback:
@@ -708,6 +606,15 @@ int cEntity::GetRawDamageAgainst(const cEntity & a_Receiver)
 
 
 
+void cEntity::ApplyArmorDamage(int DamageBlocked)
+{
+	// cEntities don't necessarily have armor to damage.
+	return;
+}
+
+
+
+
 
 bool cEntity::ArmorCoversAgainst(eDamageType a_DamageType)
 {
@@ -717,6 +624,7 @@ bool cEntity::ArmorCoversAgainst(eDamageType a_DamageType)
 		case dtOnFire:
 		case dtSuffocating:
 		case dtDrowning:  // TODO: This one could be a special case - in various MC versions (PC vs XBox) it is and isn't armor-protected
+		case dtEnderPearl:
 		case dtStarving:
 		case dtInVoid:
 		case dtPoisoning:
@@ -734,7 +642,6 @@ bool cEntity::ArmorCoversAgainst(eDamageType a_DamageType)
 		case dtCactusContact:
 		case dtLavaContact:
 		case dtFireContact:
-		case dtEnderPearl:
 		case dtExplosion:
 		{
 			return true;
@@ -750,6 +657,49 @@ bool cEntity::ArmorCoversAgainst(eDamageType a_DamageType)
 
 
 
+int cEntity::GetEnchantmentCoverAgainst(const cEntity * a_Attacker, eDamageType a_DamageType, int a_Damage)
+{
+	int TotalEPF = 0.0;
+
+	const cItem ArmorItems[] = { GetEquippedHelmet(), GetEquippedChestplate(), GetEquippedLeggings(), GetEquippedBoots() };
+	for (size_t i = 0; i < ARRAYCOUNT(ArmorItems); i++)
+	{
+		const cItem & Item = ArmorItems[i];
+
+		if ((a_DamageType != dtInVoid) && (a_DamageType != dtAdmin) && (a_DamageType != dtStarving))
+		{
+			TotalEPF += static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchProtection)) * 1;
+		}
+
+		if ((a_DamageType == dtBurning) || (a_DamageType == dtFireContact) || (a_DamageType == dtLavaContact))
+		{
+			TotalEPF += static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchFireProtection)) * 2;
+		}
+
+		if ((a_DamageType == dtFalling) || (a_DamageType == dtEnderPearl))
+		{
+			TotalEPF += static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchFeatherFalling)) * 3;
+		}
+
+		if (a_DamageType == dtExplosion)
+		{
+			TotalEPF += static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchBlastProtection)) * 2;
+		}
+
+		// Note: Also blocks against fire charges, etc.
+		if (a_DamageType == dtProjectile)
+		{
+			TotalEPF += static_cast<int>(Item.m_Enchantments.GetLevel(cEnchantments::enchProjectileProtection)) * 2;
+		}
+	}
+	int CappedEPF = std::min(20, TotalEPF);
+	return static_cast<int>(a_Damage * CappedEPF / 25.0);
+}
+
+
+
+
+
 int cEntity::GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_DamageType, int a_Damage)
 {
 	// Returns the hitpoints out of a_RawDamage that the currently equipped armor would cover
@@ -761,15 +711,16 @@ int cEntity::GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_Dama
 	}
 
 	// Add up all armor points:
-	// Ref.: http://minecraft.gamepedia.com/Armor#Defense_points as of 2012_12_20
+	// Ref.: http://minecraft.gamepedia.com/Armor#Defense_points
 	int ArmorValue = 0;
+	int Toughness = 0;
 	switch (GetEquippedHelmet().m_ItemType)
 	{
 		case E_ITEM_LEATHER_CAP:    ArmorValue += 1; break;
 		case E_ITEM_GOLD_HELMET:    ArmorValue += 2; break;
 		case E_ITEM_CHAIN_HELMET:   ArmorValue += 2; break;
 		case E_ITEM_IRON_HELMET:    ArmorValue += 2; break;
-		case E_ITEM_DIAMOND_HELMET: ArmorValue += 3; break;
+		case E_ITEM_DIAMOND_HELMET: ArmorValue += 3; Toughness += 2; break;
 	}
 	switch (GetEquippedChestplate().m_ItemType)
 	{
@@ -777,7 +728,7 @@ int cEntity::GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_Dama
 		case E_ITEM_GOLD_CHESTPLATE:    ArmorValue += 5; break;
 		case E_ITEM_CHAIN_CHESTPLATE:   ArmorValue += 5; break;
 		case E_ITEM_IRON_CHESTPLATE:    ArmorValue += 6; break;
-		case E_ITEM_DIAMOND_CHESTPLATE: ArmorValue += 8; break;
+		case E_ITEM_DIAMOND_CHESTPLATE: ArmorValue += 8; Toughness += 2; break;
 	}
 	switch (GetEquippedLeggings().m_ItemType)
 	{
@@ -785,7 +736,7 @@ int cEntity::GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_Dama
 		case E_ITEM_GOLD_LEGGINGS:    ArmorValue += 3; break;
 		case E_ITEM_CHAIN_LEGGINGS:   ArmorValue += 4; break;
 		case E_ITEM_IRON_LEGGINGS:    ArmorValue += 5; break;
-		case E_ITEM_DIAMOND_LEGGINGS: ArmorValue += 6; break;
+		case E_ITEM_DIAMOND_LEGGINGS: ArmorValue += 6; Toughness += 2; break;
 	}
 	switch (GetEquippedBoots().m_ItemType)
 	{
@@ -793,14 +744,14 @@ int cEntity::GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_Dama
 		case E_ITEM_GOLD_BOOTS:    ArmorValue += 1; break;
 		case E_ITEM_CHAIN_BOOTS:   ArmorValue += 1; break;
 		case E_ITEM_IRON_BOOTS:    ArmorValue += 2; break;
-		case E_ITEM_DIAMOND_BOOTS: ArmorValue += 3; break;
+		case E_ITEM_DIAMOND_BOOTS: ArmorValue += 3; Toughness += 2; break;
 	}
 
 	// TODO: Special armor cases, such as wool, saddles, dog's collar
 	// Ref.: http://minecraft.gamepedia.com/Armor#Mob_armor as of 2012_12_20
 
-	// Now ArmorValue is in [0, 20] range, which corresponds to [0, 80%] protection. Calculate the hitpoints from that:
-	return a_Damage * (ArmorValue * 4) / 100;
+	double Reduction = std::max(ArmorValue / 5.0, ArmorValue - a_Damage / (2 + Toughness / 4.0));
+	return static_cast<int>(a_Damage * std::min(20.0, Reduction) / 25.0);
 }
 
 
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 4310b1567..d55955b0c 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -141,12 +141,12 @@ public:
 	static const int BURN_TICKS_PER_DAMAGE = 20;   ///< Ticks to wait between damaging an entity when it is burning
 	static const int BURN_DAMAGE           = 1;    ///< Damage to deal when the entity is burning
 
-	static const int BURN_TICKS            = 200;  ///< Ticks to keep an entity burning after it has stood in lava / fire
+	static const int BURN_TICKS            = 160;  ///< Ticks to keep an entity burning after it has stood in lava / fire
 
 	static const int MAX_AIR_LEVEL         = 300;  ///< Maximum air an entity can have
 	static const int DROWNING_TICKS        = 20;   ///< Number of ticks per heart of damage
 
-	static const int VOID_BOUNDARY         = -46;  ///< Y position to begin applying void damage
+	static const int VOID_BOUNDARY         = -64;  ///< Y position to begin applying void damage
 	static const int FALL_DAMAGE_HEIGHT    = 4;    ///< Y difference after which fall damage is applied
 
 	/** Special ID that is considered an "invalid value", signifying no entity. */
@@ -320,6 +320,9 @@ public:
 	/** Returns the hitpoints out of a_RawDamage that the currently equipped armor would cover */
 	virtual int GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_DamageType, int a_RawDamage);
 
+	/** Returns the hitpoints that the currently equipped armor's enchantments would cover */
+	virtual int GetEnchantmentCoverAgainst(const cEntity * a_Attacker, eDamageType a_DamageType, int a_Damage);
+
 	/** Returns the knockback amount that the currently equipped items would cause to a_Receiver on a hit */
 	virtual double GetKnockbackAmountAgainst(const cEntity & a_Receiver);
 
@@ -338,6 +341,9 @@ public:
 	/** Returns the currently equipped boots; empty item if none */
 	virtual cItem GetEquippedBoots(void) const { return cItem(); }
 
+	/** Applies damage to the armor after the armor blocked the given amount */
+	virtual void ApplyArmorDamage(int DamageBlocked);
+
 	// tolua_end
 
 	/** Called when the health drops below zero. a_TDI's Attacker may be nullptr (environmental damage) */
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index e4192140a..77ce378da 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -940,6 +940,22 @@ void cPlayer::SetFlying(bool a_IsFlying)
 
 
 
+void cPlayer::ApplyArmorDamage(int DamageBlocked)
+{
+	short ArmorDamage = static_cast<short>(DamageBlocked / 4);
+	if (ArmorDamage == 0)
+	{
+		ArmorDamage = 1;
+	}
+	m_Inventory.DamageItem(cInventory::invArmorOffset + 0, ArmorDamage);
+	m_Inventory.DamageItem(cInventory::invArmorOffset + 1, ArmorDamage);
+	m_Inventory.DamageItem(cInventory::invArmorOffset + 2, ArmorDamage);
+	m_Inventory.DamageItem(cInventory::invArmorOffset + 3, ArmorDamage);
+}
+
+
+
+
 
 bool cPlayer::DoTakeDamage(TakeDamageInfo & a_TDI)
 {
@@ -976,17 +992,6 @@ bool cPlayer::DoTakeDamage(TakeDamageInfo & a_TDI)
 		AddFoodExhaustion(0.3f);
 		SendHealth();
 
-		// Damage armor
-		short ArmorDamage = static_cast<short>(a_TDI.RawDamage / 4);
-		if (ArmorDamage == 0)
-		{
-			ArmorDamage = 1;
-		}
-		m_Inventory.DamageItem(cInventory::invArmorOffset + 0, ArmorDamage);
-		m_Inventory.DamageItem(cInventory::invArmorOffset + 1, ArmorDamage);
-		m_Inventory.DamageItem(cInventory::invArmorOffset + 2, ArmorDamage);
-		m_Inventory.DamageItem(cInventory::invArmorOffset + 3, ArmorDamage);
-
 		// Tell the wolves
 		if (a_TDI.Attacker != nullptr)
 		{
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index 95b21ec9a..8ad803998 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -68,6 +68,7 @@ public:
 	/** Returns the currently equipped boots; empty item if none */
 	virtual cItem GetEquippedBoots(void) const override { return m_Inventory.GetEquippedBoots(); }
 
+	virtual void ApplyArmorDamage(int DamageBlocked) override;
 
 	// tolua_begin