1 files changed, 201 insertions, 4 deletions

diff --git a/src/Mobs/Monster.cpp b/src/Mobs/Monster.cpp
index ec240b61c..740223bfa 100644
--- a/src/Mobs/Monster.cpp
+++ b/src/Mobs/Monster.cpp
@@ -14,6 +14,8 @@
 #include "../MonsterConfig.h"
 #include "../BoundingBox.h"
 
+#include "Items/ItemSpawnEgg.h"
+
 #include "../Chunk.h"
 #include "../FastRandom.h"
 
@@ -22,8 +24,6 @@
 
 
 
-
-
 /** Map for eType <-> string
 Needs to be alpha-sorted by the strings, because binary search is used in StringToMobType()
 The strings need to be lowercase (for more efficient comparisons in StringToMobType())
@@ -109,12 +109,16 @@ cMonster::cMonster(const AString & a_ConfigName, eMonsterType a_MobType, const A
 	, m_BurnsInDaylight(false)
 	, m_RelativeWalkSpeed(1)
 	, m_Age(1)
-	, m_AgingTimer(20 * 60 * 20)  // about 20 minutes
+	, m_AgingTimer(TPS * 60 * 20)  // about 20 minutes
 	, m_WasLastTargetAPlayer(false)
 	, m_LeashedTo(nullptr)
 	, m_LeashToPos(nullptr)
 	, m_IsLeashActionJustDone(false)
 	, m_CanBeLeashed(GetMobFamily() == eFamily::mfPassive)
+	, m_LovePartner(nullptr)
+	, m_LoveTimer(0)
+	, m_LoveCooldown(0)
+	, m_MatingTimer(0)
 	, m_Target(nullptr)
 {
 	if (!a_ConfigName.empty())
@@ -163,6 +167,10 @@ void cMonster::OnRemoveFromWorld(cWorld & a_World)
 void cMonster::Destroyed()
 {
 	SetTarget(nullptr);  // Tell them we're no longer targeting them.
+	if (m_LovePartner != nullptr)
+	{
+		m_LovePartner->ResetLoveMode();
+	}
 	Super::Destroyed();
 }
 
@@ -896,7 +904,7 @@ void cMonster::InStateEscaping(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 
 void cMonster::ResetAttackCooldown()
 {
-	m_AttackCoolDownTicksLeft = static_cast<int>(20 * m_AttackRate);  // A second has 20 ticks, an attack rate of 1 means 1 hit every second
+	m_AttackCoolDownTicksLeft = static_cast<int>(TPS * m_AttackRate);  // A second has 20 ticks, an attack rate of 1 means 1 hit every second
 }
 
 
@@ -1248,6 +1256,195 @@ std::unique_ptr<cMonster> cMonster::NewMonsterFromType(eMonsterType a_MobType)
 
 
 
+void cMonster::EngageLoveMode(cMonster *a_Partner)
+{
+	m_LovePartner = a_Partner;
+	m_MatingTimer = 50;  // about 3 seconds of mating
+}
+
+
+
+
+
+void cMonster::ResetLoveMode()
+{
+	m_LovePartner = nullptr;
+	m_LoveTimer = 0;
+	m_MatingTimer = 0;
+	m_LoveCooldown = TPS * 60 * 5;  // 5 minutes
+
+	// when an animal is in love mode, the client only stops sending the hearts if we let them know it's in cooldown, which is done with the "age" metadata
+	m_World->BroadcastEntityMetadata(*this);
+}
+
+
+
+
+
+void cMonster::LoveTick(void)
+{
+	// if we have a partner, mate
+	if (m_LovePartner != nullptr)
+	{
+
+		if (m_MatingTimer > 0)
+		{
+			// If we should still mate, keep bumping into them until baby is made
+			Vector3d Pos = m_LovePartner->GetPosition();
+			MoveToPosition(Pos);
+		}
+		else
+		{
+			// Mating finished. Spawn baby
+			Vector3f Pos = (GetPosition() + m_LovePartner->GetPosition()) * 0.5;
+			UInt32 BabyID = m_World->SpawnMob(Pos.x, Pos.y, Pos.z, GetMobType(), true);
+
+			cMonster * Baby = nullptr;
+
+			m_World->DoWithEntityByID(BabyID, [&](cEntity & a_Entity)
+			{
+				Baby = static_cast<cMonster *>(&a_Entity);
+				return true;
+			});
+
+			if (Baby != nullptr)
+			{
+				Baby->InheritFromParents(this, m_LovePartner);
+			}
+
+			m_World->SpawnExperienceOrb(Pos.x, Pos.y, Pos.z, GetRandomProvider().RandInt(1, 6));
+
+			m_World->DoWithPlayerByUUID(m_Feeder, [&] (cPlayer & a_Player)
+			{
+				a_Player.GetStatManager().AddValue(Statistic::AnimalsBred);
+				if (GetMobType() == eMonsterType::mtCow)
+				{
+					a_Player.AwardAchievement(Statistic::AchBreedCow);
+				}
+				return true;
+			});
+			m_LovePartner->ResetLoveMode();
+			ResetLoveMode();
+		}
+	}
+	else
+	{
+		// We have no partner, so we just chase the player if they have our breeding item
+		cItems FollowedItems;
+		GetFollowedItems(FollowedItems);
+		if (FollowedItems.Size() > 0)
+		{
+			m_World->DoWithNearestPlayer(GetPosition(), static_cast<float>(m_SightDistance), [&](cPlayer & a_Player) -> bool
+			{
+				const cItem & EquippedItem = a_Player.GetEquippedItem();
+				if (FollowedItems.ContainsType(EquippedItem))
+				{
+					Vector3d PlayerPos = a_Player.GetPosition();
+					MoveToPosition(PlayerPos);
+				}
+
+				return true;
+			});
+		}
+	}
+
+	// If we are in love mode but we have no partner, search for a partner neabry
+	if (m_LoveTimer > 0)
+	{
+		if (m_LovePartner == nullptr)
+		{
+			m_World->ForEachEntityInBox(cBoundingBox(GetPosition(), 8, 8), [=](cEntity & a_Entity)
+			{
+				// If the entity is not a monster, don't breed with it
+				// Also, do not self-breed
+				if ((a_Entity.GetEntityType() != etMonster) || (&a_Entity == this))
+				{
+					return false;
+				}
+
+				auto & Me = static_cast<cMonster &>(*this);
+				auto & PotentialPartner = static_cast<cMonster &>(a_Entity);
+
+				// If the potential partner is not of the same species, don't breed with it
+				if (PotentialPartner.GetMobType() != Me.GetMobType())
+				{
+					return false;
+				}
+
+				// If the potential partner is not in love
+				// Or they already have a mate, do not breed with them
+				if ((!PotentialPartner.IsInLove()) || (PotentialPartner.GetPartner() != nullptr))
+				{
+					return false;
+				}
+
+				// All conditions met, let's breed!
+				PotentialPartner.EngageLoveMode(&Me);
+				Me.EngageLoveMode(&PotentialPartner);
+				return true;
+			});
+		}
+
+		m_LoveTimer--;
+	}
+	if (m_MatingTimer > 0)
+	{
+		m_MatingTimer--;
+	}
+	if (m_LoveCooldown > 0)
+	{
+		m_LoveCooldown--;
+	}
+}
+
+
+
+
+
+void cMonster::RightClickFeed(cPlayer & a_Player)
+{
+
+	const cItem & EquippedItem = a_Player.GetEquippedItem();
+
+	// If a player holding breeding items right-clicked me, go into love mode
+	if ((m_LoveCooldown == 0) && !IsInLove() && !IsBaby())
+	{
+		cItems Items;
+		GetBreedingItems(Items);
+		if (Items.ContainsType(EquippedItem.m_ItemType))
+		{
+			if (!a_Player.IsGameModeCreative())
+			{
+				a_Player.GetInventory().RemoveOneEquippedItem();
+			}
+			m_LoveTimer = TPS * 30;  // half a minute
+			m_World->BroadcastEntityStatus(*this, esMobInLove);
+		}
+	}
+	// If a player holding my spawn egg right-clicked me, spawn a new baby
+	if (EquippedItem.m_ItemType == E_ITEM_SPAWN_EGG)
+	{
+		eMonsterType MonsterType = cItemSpawnEggHandler::ItemDamageToMonsterType(EquippedItem.m_ItemDamage);
+		if (
+			(MonsterType == m_MobType) &&
+			(m_World->SpawnMob(GetPosX(), GetPosY(), GetPosZ(), m_MobType, true) != cEntity::INVALID_ID)  // Spawning succeeded
+			)
+		{
+			if (!a_Player.IsGameModeCreative())
+			{
+				// The mob was spawned, "use" the item:
+				a_Player.GetInventory().RemoveOneEquippedItem();
+			}
+		}
+	}
+	// Stores feeder UUID for statistic tracking
+	m_Feeder = a_Player.GetUUID();
+}
+
+
+
+
+
 void cMonster::AddRandomDropItem(cItems & a_Drops, unsigned int a_Min, unsigned int a_Max, short a_Item, short a_ItemHealth)
 {
 	auto Count = GetRandomProvider().RandInt<unsigned int>(a_Min, a_Max);