45 files changed, 237 insertions, 68 deletions

diff --git a/src/Mobs/AggressiveMonster.cpp b/src/Mobs/AggressiveMonster.cpp
index 7ca7a9d66..72317d66b 100644
--- a/src/Mobs/AggressiveMonster.cpp
+++ b/src/Mobs/AggressiveMonster.cpp
@@ -22,7 +22,7 @@ cAggressiveMonster::cAggressiveMonster(const AString & a_ConfigName, eMonsterTyp
 
 
 // What to do if in Chasing State
-void cAggressiveMonster::InStateChasing(float a_Dt)
+void cAggressiveMonster::InStateChasing(std::chrono::milliseconds a_Dt)
 {
 	super::InStateChasing(a_Dt);
 
@@ -61,7 +61,7 @@ void cAggressiveMonster::EventSeePlayer(cEntity * a_Entity)
 
 
 
-void cAggressiveMonster::Tick(float a_Dt, cChunk & a_Chunk)
+void cAggressiveMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
@@ -93,9 +93,9 @@ void cAggressiveMonster::Tick(float a_Dt, cChunk & a_Chunk)
 
 
 
-void cAggressiveMonster::Attack(float a_Dt)
+void cAggressiveMonster::Attack(std::chrono::milliseconds a_Dt)
 {
-	m_AttackInterval += a_Dt * m_AttackRate;
+	m_AttackInterval += a_Dt.count() * m_AttackRate;
 
 	if ((m_Target == nullptr) || (m_AttackInterval < 3.0))
 	{
diff --git a/src/Mobs/AggressiveMonster.h b/src/Mobs/AggressiveMonster.h
index 2549ba2d3..f64c1103f 100644
--- a/src/Mobs/AggressiveMonster.h
+++ b/src/Mobs/AggressiveMonster.h
@@ -16,11 +16,11 @@ public:
 
 	cAggressiveMonster(const AString & a_ConfigName, eMonsterType a_MobType, const AString & a_SoundHurt, const AString & a_SoundDeath, double a_Width, double a_Height);
 
-	virtual void Tick          (float a_Dt, cChunk & a_Chunk) override;
-	virtual void InStateChasing(float a_Dt) override;
+	virtual void Tick          (std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
+	virtual void InStateChasing(std::chrono::milliseconds a_Dt) override;
 	
 	virtual void EventSeePlayer(cEntity *) override;
-	virtual void Attack(float a_Dt);
+	virtual void Attack(std::chrono::milliseconds a_Dt);
 
 protected:
 	/** Whether this mob's destination is the same as its target's position. */
diff --git a/src/Mobs/Blaze.cpp b/src/Mobs/Blaze.cpp
index 1fa9d2c37..172ccd071 100644
--- a/src/Mobs/Blaze.cpp
+++ b/src/Mobs/Blaze.cpp
@@ -30,9 +30,9 @@ void cBlaze::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 
 
-void cBlaze::Attack(float a_Dt)
+void cBlaze::Attack(std::chrono::milliseconds a_Dt)
 {
-	m_AttackInterval += a_Dt * m_AttackRate;
+	m_AttackInterval += a_Dt.count() * m_AttackRate;
 
 	if ((m_Target != nullptr) && (m_AttackInterval > 3.0))
 	{
diff --git a/src/Mobs/Blaze.h b/src/Mobs/Blaze.h
index e2a4ad9f1..493953a14 100644
--- a/src/Mobs/Blaze.h
+++ b/src/Mobs/Blaze.h
@@ -18,5 +18,5 @@ public:
 	CLASS_PROTODEF(cBlaze)
 	
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
-	virtual void Attack(float a_Dt) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
 } ;
diff --git a/src/Mobs/CMakeLists.txt b/src/Mobs/CMakeLists.txt
index bbbb9287a..7a291dcf2 100644
--- a/src/Mobs/CMakeLists.txt
+++ b/src/Mobs/CMakeLists.txt
@@ -16,6 +16,7 @@ SET (SRCS
 	Enderman.cpp
 	Ghast.cpp
 	Giant.cpp
+	Guardian.cpp
 	Horse.cpp
 	IronGolem.cpp
 	MagmaCube.cpp
@@ -24,6 +25,7 @@ SET (SRCS
 	PassiveAggressiveMonster.cpp
 	PassiveMonster.cpp
 	Pig.cpp
+	Rabbit.cpp
 	Sheep.cpp
 	Skeleton.cpp
 	Slime.cpp
@@ -49,6 +51,7 @@ SET (HDRS
 	Enderman.h
 	Ghast.h
 	Giant.h
+	Guardian.h
 	Horse.h
 	IncludeAllMonsters.h
 	IronGolem.h
@@ -60,6 +63,7 @@ SET (HDRS
 	PassiveAggressiveMonster.h
 	PassiveMonster.h
 	Pig.h
+	Rabbit.h
 	Sheep.h
 	Silverfish.h
 	Skeleton.h
diff --git a/src/Mobs/CaveSpider.cpp b/src/Mobs/CaveSpider.cpp
index 045b47e73..fa530db82 100644
--- a/src/Mobs/CaveSpider.cpp
+++ b/src/Mobs/CaveSpider.cpp
@@ -16,7 +16,7 @@ cCaveSpider::cCaveSpider(void) :
 
 
 
-void cCaveSpider::Tick(float a_Dt, cChunk & a_Chunk)
+void cCaveSpider::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
@@ -27,7 +27,7 @@ void cCaveSpider::Tick(float a_Dt, cChunk & a_Chunk)
 
 
 
-void cCaveSpider::Attack(float a_Dt)
+void cCaveSpider::Attack(std::chrono::milliseconds a_Dt)
 {
 	super::Attack(a_Dt);
 	
diff --git a/src/Mobs/CaveSpider.h b/src/Mobs/CaveSpider.h
index 494ba1360..d3e56fd2b 100644
--- a/src/Mobs/CaveSpider.h
+++ b/src/Mobs/CaveSpider.h
@@ -16,8 +16,8 @@ public:
 
 	CLASS_PROTODEF(cCaveSpider)
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
-	virtual void Attack(float a_Dt) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 } ;
 
diff --git a/src/Mobs/Chicken.cpp b/src/Mobs/Chicken.cpp
index 634867cfa..b2b21d4ae 100644
--- a/src/Mobs/Chicken.cpp
+++ b/src/Mobs/Chicken.cpp
@@ -18,7 +18,7 @@ cChicken::cChicken(void) :
 
 
 
-void cChicken::Tick(float a_Dt, cChunk & a_Chunk)
+void cChicken::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
diff --git a/src/Mobs/Chicken.h b/src/Mobs/Chicken.h
index 07b921884..9349187c6 100644
--- a/src/Mobs/Chicken.h
+++ b/src/Mobs/Chicken.h
@@ -17,7 +17,7 @@ public:
 	CLASS_PROTODEF(cChicken)
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_SEEDS); }
 
diff --git a/src/Mobs/Creeper.cpp b/src/Mobs/Creeper.cpp
index a073224cf..c4ae47f2f 100644
--- a/src/Mobs/Creeper.cpp
+++ b/src/Mobs/Creeper.cpp
@@ -23,7 +23,7 @@ cCreeper::cCreeper(void) :
 
 
 
-void cCreeper::Tick(float a_Dt, cChunk & a_Chunk)
+void cCreeper::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
@@ -119,7 +119,7 @@ bool cCreeper::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 
 
-void cCreeper::Attack(float a_Dt)
+void cCreeper::Attack(std::chrono::milliseconds a_Dt)
 {
 	UNUSED(a_Dt);
 
diff --git a/src/Mobs/Creeper.h b/src/Mobs/Creeper.h
index bf3272e22..1827c416e 100644
--- a/src/Mobs/Creeper.h
+++ b/src/Mobs/Creeper.h
@@ -19,8 +19,8 @@ public:
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 	virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override;
-	virtual void Attack(float a_Dt) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
 
 	bool IsBlowing(void) const {return m_bIsBlowing; }
diff --git a/src/Mobs/Enderman.cpp b/src/Mobs/Enderman.cpp
index 56ea10245..42c33884a 100644
--- a/src/Mobs/Enderman.cpp
+++ b/src/Mobs/Enderman.cpp
@@ -186,7 +186,7 @@ bool cEnderman::CheckLight()
 
 
 
-void cEnderman::Tick(float a_Dt, cChunk & a_Chunk)
+void cEnderman::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
diff --git a/src/Mobs/Enderman.h b/src/Mobs/Enderman.h
index 28bbceb84..8ccbf2ce7 100644
--- a/src/Mobs/Enderman.h
+++ b/src/Mobs/Enderman.h
@@ -21,7 +21,7 @@ public:
 	virtual void CheckEventSeePlayer(void) override;
 	virtual void CheckEventLostPlayer(void) override;
 	virtual void EventLosePlayer(void) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	bool IsScreaming(void) const {return m_bIsScreaming; }
 	BLOCKTYPE GetCarriedBlock(void) const {return CarriedBlock; }
diff --git a/src/Mobs/Ghast.cpp b/src/Mobs/Ghast.cpp
index fc8de8362..ea0295102 100644
--- a/src/Mobs/Ghast.cpp
+++ b/src/Mobs/Ghast.cpp
@@ -32,9 +32,9 @@ void cGhast::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 
 
-void cGhast::Attack(float a_Dt)
+void cGhast::Attack(std::chrono::milliseconds a_Dt)
 {
-	m_AttackInterval += a_Dt * m_AttackRate;
+	m_AttackInterval += a_Dt.count() * m_AttackRate;
 	
 	if ((m_Target != nullptr) && (m_AttackInterval > 3.0))
 	{
diff --git a/src/Mobs/Ghast.h b/src/Mobs/Ghast.h
index a28940a01..431edaf6d 100644
--- a/src/Mobs/Ghast.h
+++ b/src/Mobs/Ghast.h
@@ -18,7 +18,7 @@ public:
 	CLASS_PROTODEF(cGhast)
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
-	virtual void Attack(float a_Dt) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
 
 	bool IsCharging(void) const {return false; }
 } ;
diff --git a/src/Mobs/Guardian.cpp b/src/Mobs/Guardian.cpp
new file mode 100644
index 000000000..5eb30785b
--- /dev/null
+++ b/src/Mobs/Guardian.cpp
@@ -0,0 +1,65 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "Guardian.h"
+#include "../Vector3.h"
+#include "../Chunk.h"
+
+
+
+
+
+cGuardian::cGuardian(void) :
+	super("Guardian", mtGuardian, "mob.guardian.idle", "mob.guardian.death", 0.875, 0.8)
+{
+}
+
+
+
+
+
+void cGuardian::GetDrops(cItems & a_Drops, cEntity * a_Killer)
+{
+	// Drops 0-3 Ink Sacs
+	int LootingLevel = 0;
+	if (a_Killer != nullptr)
+	{
+		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
+	}
+	AddRandomDropItem(a_Drops, 0, 2 + LootingLevel, E_ITEM_PRISMARINE_SHARD);
+	AddRandomDropItem(a_Drops, 0, 1 + LootingLevel, E_ITEM_RAW_FISH);
+	AddRandomDropItem(a_Drops, 0, 1 + LootingLevel, E_ITEM_PRISMARINE_CRYSTALS);  // TODO: Prismarine Crystals only drop if the raw fish drop is 0
+}
+
+
+
+
+
+void cGuardian::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
+{
+	// We must first process current location, and only then tick, otherwise we risk processing a location in a chunk
+	// that is not where the entity currently resides (FS #411)
+	
+	Vector3d Pos = GetPosition();
+
+	// TODO: Not a real behavior, but cool :D
+	int RelY = (int)floor(Pos.y);
+	if ((RelY < 0) || (RelY >= cChunkDef::Height))
+	{
+		return;
+	}
+	int RelX = (int)floor(Pos.x) - a_Chunk.GetPosX() * cChunkDef::Width;
+	int RelZ = (int)floor(Pos.z) - a_Chunk.GetPosZ() * cChunkDef::Width;
+	BLOCKTYPE BlockType;
+	if (a_Chunk.UnboundedRelGetBlockType(RelX, RelY, RelZ, BlockType) && !IsBlockWater(BlockType) && !IsOnFire())
+	{
+		// Burn for 10 ticks, then decide again
+		StartBurning(10);
+	}
+
+	super::Tick(a_Dt, a_Chunk);
+}
+
+
+
+
diff --git a/src/Mobs/Guardian.h b/src/Mobs/Guardian.h
new file mode 100644
index 000000000..6bc17947c
--- /dev/null
+++ b/src/Mobs/Guardian.h
@@ -0,0 +1,31 @@
+
+#pragma once
+
+#include "AggressiveMonster.h"
+
+
+
+
+
+class cGuardian :
+	public cAggressiveMonster
+{
+	typedef cAggressiveMonster super;
+	
+public:
+	cGuardian();
+
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
+
+	CLASS_PROTODEF(cGuardian)
+	
+	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
+
+	// Guardians do not drown (or float)
+	virtual void HandleAir(void) override {}
+	virtual void SetSwimState(cChunk & a_Chunk) override {}
+} ;
+
+
+
+
diff --git a/src/Mobs/Horse.cpp b/src/Mobs/Horse.cpp
index d92f0d023..5b4c78bfc 100644
--- a/src/Mobs/Horse.cpp
+++ b/src/Mobs/Horse.cpp
@@ -30,7 +30,7 @@ cHorse::cHorse(int Type, int Color, int Style, int TameTimes) :
 
 
 
-void cHorse::Tick(float a_Dt, cChunk & a_Chunk)
+void cHorse::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
diff --git a/src/Mobs/Horse.h b/src/Mobs/Horse.h
index 4c644e512..be283705e 100644
--- a/src/Mobs/Horse.h
+++ b/src/Mobs/Horse.h
@@ -18,7 +18,7 @@ public:
 	CLASS_PROTODEF(cHorse)
 	
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
 
 	bool IsSaddled      (void) const  {return m_bIsSaddled; }
diff --git a/src/Mobs/IncludeAllMonsters.h b/src/Mobs/IncludeAllMonsters.h
index 3460db993..53c709c2b 100644
--- a/src/Mobs/IncludeAllMonsters.h
+++ b/src/Mobs/IncludeAllMonsters.h
@@ -8,12 +8,14 @@
 #include "EnderDragon.h"
 #include "Ghast.h"
 #include "Giant.h"
+#include "Guardian.h"
 #include "Horse.h"
 #include "IronGolem.h"
 #include "MagmaCube.h"
 #include "Mooshroom.h"
 #include "Ocelot.h"
 #include "Pig.h"
+#include "Rabbit.h"
 #include "Sheep.h"
 #include "Silverfish.h"
 #include "Skeleton.h"
diff --git a/src/Mobs/Monster.cpp b/src/Mobs/Monster.cpp
index 7b8f763af..6e07bfbb6 100644
--- a/src/Mobs/Monster.cpp
+++ b/src/Mobs/Monster.cpp
@@ -38,12 +38,14 @@ static const struct
 	{mtEnderman,     "enderman",     "Enderman"},
 	{mtEnderDragon,  "enderdragon",  "EnderDragon"},
 	{mtGhast,        "ghast",        "Ghast"},
+	{mtGuardian,     "guardian",     "Guardian"},
 	{mtHorse,        "horse",        "EntityHorse"},
 	{mtIronGolem,    "irongolem",    "VillagerGolem"},
 	{mtMagmaCube,    "magmacube",    "LavaSlime"},
 	{mtMooshroom,    "mooshroom",    "MushroomCow"},
 	{mtOcelot,       "ocelot",       "Ozelot"},
 	{mtPig,          "pig",          "Pig"},
+	{mtRabbit,       "rabbit",       "Rabbit"},
 	{mtSheep,        "sheep",        "Sheep"},
 	{mtSilverfish,   "silverfish",   "Silverfish"},
 	{mtSkeleton,     "skeleton",     "Skeleton"},
@@ -250,15 +252,15 @@ bool cMonster::ReachedFinalDestination()
 
 
 
-void cMonster::Tick(float a_Dt, cChunk & a_Chunk)
+void cMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
 	if (m_Health <= 0)
 	{
 		// The mob is dead, but we're still animating the "puff" they leave when they die
-		m_DestroyTimer += a_Dt / 1000;
-		if (m_DestroyTimer > 1)
+		m_DestroyTimer += a_Dt;
+		if (m_DestroyTimer > std::chrono::seconds(1))
 		{
 			Destroy(true);
 		}
@@ -273,8 +275,6 @@ void cMonster::Tick(float a_Dt, cChunk & a_Chunk)
 	// Burning in daylight
 	HandleDaylightBurning(a_Chunk);
 
-	a_Dt /= 1000;
-
 	if (m_bMovingToDestination)
 	{
 		if (m_bOnGround)
@@ -498,6 +498,7 @@ void cMonster::KilledBy(TakeDamageInfo & a_TDI)
 		case mtCow:
 		case mtHorse:
 		case mtPig:
+		case mtRabbit:
 		case mtSheep:
 		case mtSquid:
 		case mtMooshroom:
@@ -513,6 +514,7 @@ void cMonster::KilledBy(TakeDamageInfo & a_TDI)
 		case mtCreeper:
 		case mtEnderman:
 		case mtGhast:
+		case mtGuardian:
 		case mtSilverfish:
 		case mtSkeleton:
 		case mtSpider:
@@ -553,7 +555,7 @@ void cMonster::KilledBy(TakeDamageInfo & a_TDI)
 	{
 		m_World->SpawnExperienceOrb(GetPosX(), GetPosY(), GetPosZ(), Reward);
 	}
-	m_DestroyTimer = 0;
+	m_DestroyTimer = std::chrono::milliseconds(0);
 }
 
 
@@ -636,7 +638,7 @@ void cMonster::EventLosePlayer(void)
 
 
 
-void cMonster::InStateIdle(float a_Dt)
+void cMonster::InStateIdle(std::chrono::milliseconds a_Dt)
 {
 	if (m_bMovingToDestination)
 	{
@@ -645,11 +647,11 @@ void cMonster::InStateIdle(float a_Dt)
 
 	m_IdleInterval += a_Dt;
 
-	if (m_IdleInterval > 1)
+	if (m_IdleInterval > std::chrono::seconds(1))
 	{
 		// At this interval the results are predictable
 		int rem = m_World->GetTickRandomNumber(6) + 1;
-		m_IdleInterval -= 1;  // So nothing gets dropped when the server hangs for a few seconds
+		m_IdleInterval -= std::chrono::seconds(1);  // So nothing gets dropped when the server hangs for a few seconds
 
 		Vector3d Dist;
 		Dist.x = (double)m_World->GetTickRandomNumber(10) - 5;
@@ -676,7 +678,7 @@ void cMonster::InStateIdle(float a_Dt)
 
 // What to do if in Chasing State
 // This state should always be defined in each child class
-void cMonster::InStateChasing(float a_Dt)
+void cMonster::InStateChasing(std::chrono::milliseconds a_Dt)
 {
 	UNUSED(a_Dt);
 }
@@ -686,7 +688,7 @@ void cMonster::InStateChasing(float a_Dt)
 
 
 // What to do if in Escaping State
-void cMonster::InStateEscaping(float a_Dt)
+void cMonster::InStateEscaping(std::chrono::milliseconds a_Dt)
 {
 	UNUSED(a_Dt);
 	
@@ -842,12 +844,14 @@ cMonster::eFamily cMonster::FamilyFromType(eMonsterType a_Type)
 		case mtEnderman:     return mfHostile;
 		case mtGhast:        return mfHostile;
 		case mtGiant:        return mfNoSpawn;
+		case mtGuardian:     return mfWater;  // Just because they have special spawning conditions. If Watertemples have been added, this needs to be edited!
 		case mtHorse:        return mfPassive;
 		case mtIronGolem:    return mfPassive;
 		case mtMagmaCube:    return mfHostile;
 		case mtMooshroom:    return mfHostile;
 		case mtOcelot:       return mfPassive;
 		case mtPig:          return mfPassive;
+		case mtRabbit:       return mfPassive;
 		case mtSheep:        return mfPassive;
 		case mtSilverfish:   return mfHostile;
 		case mtSkeleton:     return mfHostile;
@@ -955,10 +959,12 @@ cMonster * cMonster::NewMonsterFromType(eMonsterType a_MobType)
 		case mtEnderman:      toReturn = new cEnderman();                 break;
 		case mtGhast:         toReturn = new cGhast();                    break;
 		case mtGiant:         toReturn = new cGiant();                    break;
+		case mtGuardian:      toReturn = new cGuardian();                 break;
 		case mtIronGolem:     toReturn = new cIronGolem();                break;
 		case mtMooshroom:     toReturn = new cMooshroom();                break;
 		case mtOcelot:        toReturn = new cOcelot();                   break;
 		case mtPig:           toReturn = new cPig();                      break;
+		case mtRabbit:        toReturn = new cRabbit();                   break;
 		case mtSheep:         toReturn = new cSheep();                    break;
 		case mtSilverfish:    toReturn = new cSilverfish();               break;
 		case mtSnowGolem:     toReturn = new cSnowGolem();                break;
diff --git a/src/Mobs/Monster.h b/src/Mobs/Monster.h
index f04e45ac6..21ed0c25a 100644
--- a/src/Mobs/Monster.h
+++ b/src/Mobs/Monster.h
@@ -30,7 +30,7 @@ public:
 		mfHostile  = 0,  // Spider, Zombies ...
 		mfPassive  = 1,  // Cows, Pigs
 		mfAmbient  = 2,  // Bats
-		mfWater    = 3,  // Squid
+		mfWater    = 3,  // Squid, Guardian
 
 		mfNoSpawn,
 		mfUnhandled,  // Nothing. Be sure this is the last and the others are in order
@@ -52,7 +52,7 @@ public:
 
 	virtual void SpawnOn(cClientHandle & a_ClientHandle) override;
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override;
 
@@ -80,9 +80,9 @@ public:
 	virtual void EventLosePlayer(void);
 	virtual void CheckEventLostPlayer(void);
 
-	virtual void InStateIdle    (float a_Dt);
-	virtual void InStateChasing (float a_Dt);
-	virtual void InStateEscaping(float a_Dt);
+	virtual void InStateIdle    (std::chrono::milliseconds a_Dt);
+	virtual void InStateChasing (std::chrono::milliseconds a_Dt);
+	virtual void InStateEscaping(std::chrono::milliseconds a_Dt);
 
 	int GetAttackRate() { return static_cast<int>(m_AttackRate); }
 	void SetAttackRate(float a_AttackRate) { m_AttackRate = a_AttackRate; }
@@ -217,8 +217,8 @@ protected:
 
 	/* =========================== */
 
-	float m_IdleInterval;
-	float m_DestroyTimer;
+	std::chrono::milliseconds m_IdleInterval;
+	std::chrono::milliseconds m_DestroyTimer;
 
 	eMonsterType m_MobType;
 	AString m_CustomName;
diff --git a/src/Mobs/MonsterTypes.h b/src/Mobs/MonsterTypes.h
index dc6dd3992..02bec267b 100644
--- a/src/Mobs/MonsterTypes.h
+++ b/src/Mobs/MonsterTypes.h
@@ -18,12 +18,14 @@ enum eMonsterType
 	mtEnderman     = E_META_SPAWN_EGG_ENDERMAN,
 	mtGhast        = E_META_SPAWN_EGG_GHAST,
 	mtGiant        = E_META_SPAWN_EGG_GIANT,
+	mtGuardian     = E_META_SPAWN_EGG_GUARDIAN,
 	mtHorse        = E_META_SPAWN_EGG_HORSE,
 	mtIronGolem    = E_META_SPAWN_EGG_IRON_GOLEM,
 	mtMagmaCube    = E_META_SPAWN_EGG_MAGMA_CUBE,
 	mtMooshroom    = E_META_SPAWN_EGG_MOOSHROOM,
 	mtOcelot       = E_META_SPAWN_EGG_OCELOT,
 	mtPig          = E_META_SPAWN_EGG_PIG,
+	mtRabbit       = E_META_SPAWN_EGG_RABBIT,
 	mtSheep        = E_META_SPAWN_EGG_SHEEP,
 	mtSilverfish   = E_META_SPAWN_EGG_SILVERFISH,
 	mtSkeleton     = E_META_SPAWN_EGG_SKELETON,
@@ -37,6 +39,7 @@ enum eMonsterType
 	mtWolf         = E_META_SPAWN_EGG_WOLF,
 	mtZombie       = E_META_SPAWN_EGG_ZOMBIE,
 	mtZombiePigman = E_META_SPAWN_EGG_ZOMBIE_PIGMAN,
+	mtMax          = 120,  // This is just a hotfix for http://forum.mc-server.org/showthread.php?tid=1616. Tolua is too bad to find the highest value, so this is needed.
 } ;
 
 // tolua_end
diff --git a/src/Mobs/PassiveMonster.cpp b/src/Mobs/PassiveMonster.cpp
index 1048616d0..012ca9949 100644
--- a/src/Mobs/PassiveMonster.cpp
+++ b/src/Mobs/PassiveMonster.cpp
@@ -35,7 +35,7 @@ bool cPassiveMonster::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 
 
-void cPassiveMonster::Tick(float a_Dt, cChunk & a_Chunk)
+void cPassiveMonster::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
diff --git a/src/Mobs/PassiveMonster.h b/src/Mobs/PassiveMonster.h
index 9221d9a6e..2ed2cd21d 100644
--- a/src/Mobs/PassiveMonster.h
+++ b/src/Mobs/PassiveMonster.h
@@ -15,7 +15,7 @@ class cPassiveMonster :
 public:
 	cPassiveMonster(const AString & a_ConfigName, eMonsterType a_MobType, const AString & a_SoundHurt, const AString & a_SoundDeath, double a_Width, double a_Height);
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	/// When hit by someone, run away
 	virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override;
diff --git a/src/Mobs/Pig.cpp b/src/Mobs/Pig.cpp
index 1e4c35acd..edd4d9de4 100644
--- a/src/Mobs/Pig.cpp
+++ b/src/Mobs/Pig.cpp
@@ -80,7 +80,7 @@ void cPig::OnRightClicked(cPlayer & a_Player)
 
 
 
-void cPig::Tick(float a_Dt, cChunk & a_Chunk)
+void cPig::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
diff --git a/src/Mobs/Pig.h b/src/Mobs/Pig.h
index 0e026933a..0fe4b4fed 100644
--- a/src/Mobs/Pig.h
+++ b/src/Mobs/Pig.h
@@ -22,7 +22,7 @@ public:
 	
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_CARROT); }
 
diff --git a/src/Mobs/Rabbit.cpp b/src/Mobs/Rabbit.cpp
new file mode 100644
index 000000000..cf49d2744
--- /dev/null
+++ b/src/Mobs/Rabbit.cpp
@@ -0,0 +1,34 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "Rabbit.h"
+#include "../Entities/Player.h"
+#include "../World.h"
+
+
+
+
+
+cRabbit::cRabbit(void) :
+	super("Rabbit", mtRabbit, "mob.rabbit.idle", "mob.rabbit.death", 0.82, 0.68)
+{
+}
+
+
+
+
+
+void cRabbit::GetDrops(cItems & a_Drops, cEntity * a_Killer)
+{
+	int LootingLevel = 0;
+	if (a_Killer != nullptr)
+	{
+		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
+	}
+	AddRandomDropItem(a_Drops, 0, 1 + LootingLevel, IsOnFire() ? E_ITEM_COOKED_RABBIT : E_ITEM_RAW_RABBIT);
+	AddRandomDropItem(a_Drops, 0, 1 + LootingLevel, E_ITEM_RABBIT_HIDE);
+	cItems RareDrops;
+	RareDrops.Add(cItem(E_ITEM_RABBITS_FOOT));
+	AddRandomRareDropItem(a_Drops, RareDrops, LootingLevel);
+}
+
diff --git a/src/Mobs/Rabbit.h b/src/Mobs/Rabbit.h
new file mode 100644
index 000000000..e86c85579
--- /dev/null
+++ b/src/Mobs/Rabbit.h
@@ -0,0 +1,24 @@
+
+#pragma once
+
+#include "PassiveMonster.h"
+
+
+
+
+
+class cRabbit :
+	public cPassiveMonster
+{
+	typedef cPassiveMonster super;
+	
+public:
+	cRabbit();
+
+	CLASS_PROTODEF(cRabbit)
+
+	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
+
+	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_CARROT); }
+
+} ;
diff --git a/src/Mobs/Sheep.cpp b/src/Mobs/Sheep.cpp
index c46404391..e4d1760e0 100644
--- a/src/Mobs/Sheep.cpp
+++ b/src/Mobs/Sheep.cpp
@@ -84,7 +84,7 @@ void cSheep::OnRightClicked(cPlayer & a_Player)
 
 
 
-void cSheep::Tick(float a_Dt, cChunk & a_Chunk)
+void cSheep::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 	int PosX = POSX_TOINT;
diff --git a/src/Mobs/Sheep.h b/src/Mobs/Sheep.h
index 16d5fddd3..b6c99ac2a 100644
--- a/src/Mobs/Sheep.h
+++ b/src/Mobs/Sheep.h
@@ -24,7 +24,7 @@ public:
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	virtual const cItem GetFollowedItem(void) const override { return cItem(E_ITEM_WHEAT); }
 
diff --git a/src/Mobs/Skeleton.cpp b/src/Mobs/Skeleton.cpp
index da5ddc670..dd59d6454 100644
--- a/src/Mobs/Skeleton.cpp
+++ b/src/Mobs/Skeleton.cpp
@@ -67,9 +67,9 @@ void cSkeleton::MoveToPosition(const Vector3d & a_Position)
 
 
 
-void cSkeleton::Attack(float a_Dt)
+void cSkeleton::Attack(std::chrono::milliseconds a_Dt)
 {
-	m_AttackInterval += a_Dt * m_AttackRate;
+	m_AttackInterval += a_Dt.count() * m_AttackRate;
 
 	if ((m_Target != nullptr) && (m_AttackInterval > 3.0))
 	{
diff --git a/src/Mobs/Skeleton.h b/src/Mobs/Skeleton.h
index cd1c6c3f0..9c49c52fb 100644
--- a/src/Mobs/Skeleton.h
+++ b/src/Mobs/Skeleton.h
@@ -19,7 +19,7 @@ public:
 
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 	virtual void MoveToPosition(const Vector3d & a_Position) override;
-	virtual void Attack(float a_Dt) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
 	virtual void SpawnOn(cClientHandle & a_ClientHandle) override;
 
 	virtual bool IsUndead(void) override { return true; }
diff --git a/src/Mobs/Slime.cpp b/src/Mobs/Slime.cpp
index 1c68c5189..e42501e47 100644
--- a/src/Mobs/Slime.cpp
+++ b/src/Mobs/Slime.cpp
@@ -46,7 +46,7 @@ void cSlime::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 
 
-void cSlime::Attack(float a_Dt)
+void cSlime::Attack(std::chrono::milliseconds a_Dt)
 {
 	if (m_Size > 1)
 	{
diff --git a/src/Mobs/Slime.h b/src/Mobs/Slime.h
index a177a279c..29605992d 100644
--- a/src/Mobs/Slime.h
+++ b/src/Mobs/Slime.h
@@ -20,7 +20,7 @@ public:
 
 	// cAggressiveMonster overrides:
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
-	virtual void Attack(float a_Dt) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
 	virtual void KilledBy(TakeDamageInfo & a_TDI) override;
 
 	int GetSize(void) const { return m_Size; }
diff --git a/src/Mobs/SnowGolem.cpp b/src/Mobs/SnowGolem.cpp
index 8c4178beb..e1510b203 100644
--- a/src/Mobs/SnowGolem.cpp
+++ b/src/Mobs/SnowGolem.cpp
@@ -27,7 +27,7 @@ void cSnowGolem::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 
 
-void cSnowGolem::Tick(float a_Dt, cChunk & a_Chunk)
+void cSnowGolem::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 	if (IsBiomeNoDownfall(m_World->GetBiomeAt((int) floor(GetPosX()), (int) floor(GetPosZ()))))
diff --git a/src/Mobs/SnowGolem.h b/src/Mobs/SnowGolem.h
index f036b1867..9c95e21c5 100644
--- a/src/Mobs/SnowGolem.h
+++ b/src/Mobs/SnowGolem.h
@@ -17,7 +17,7 @@ public:
 
 	CLASS_PROTODEF(cSnowGolem)
 	
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 } ;
 
diff --git a/src/Mobs/Squid.cpp b/src/Mobs/Squid.cpp
index 59ee963ae..3c508b65f 100644
--- a/src/Mobs/Squid.cpp
+++ b/src/Mobs/Squid.cpp
@@ -33,7 +33,7 @@ void cSquid::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 
 
-void cSquid::Tick(float a_Dt, cChunk & a_Chunk)
+void cSquid::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	// We must first process current location, and only then tick, otherwise we risk processing a location in a chunk
 	// that is not where the entity currently resides (FS #411)
diff --git a/src/Mobs/Squid.h b/src/Mobs/Squid.h
index a46d738c6..7e944a17e 100644
--- a/src/Mobs/Squid.h
+++ b/src/Mobs/Squid.h
@@ -15,7 +15,7 @@ class cSquid :
 public:
 	cSquid();
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	CLASS_PROTODEF(cSquid)
 	
diff --git a/src/Mobs/Villager.cpp b/src/Mobs/Villager.cpp
index 963595347..6f647ac18 100644
--- a/src/Mobs/Villager.cpp
+++ b/src/Mobs/Villager.cpp
@@ -51,7 +51,7 @@ bool cVillager::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 
 
-void cVillager::Tick(float a_Dt, cChunk & a_Chunk)
+void cVillager::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
diff --git a/src/Mobs/Villager.h b/src/Mobs/Villager.h
index d3a38dbf0..2de79295c 100644
--- a/src/Mobs/Villager.h
+++ b/src/Mobs/Villager.h
@@ -31,7 +31,7 @@ public:
 
 	// cEntity overrides
 	virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override;
-	virtual void Tick        (float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick        (std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	// cVillager functions
 	/** return true if the given blocktype are: crops, potatoes or carrots.*/
diff --git a/src/Mobs/Wither.cpp b/src/Mobs/Wither.cpp
index 578b47995..6ef81ce1b 100644
--- a/src/Mobs/Wither.cpp
+++ b/src/Mobs/Wither.cpp
@@ -66,7 +66,7 @@ bool cWither::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 
 
-void cWither::Tick(float a_Dt, cChunk & a_Chunk)
+void cWither::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 
diff --git a/src/Mobs/Wither.h b/src/Mobs/Wither.h
index a20fed3d3..9e333c7fa 100644
--- a/src/Mobs/Wither.h
+++ b/src/Mobs/Wither.h
@@ -28,7 +28,7 @@ public:
 	virtual bool Initialize(cWorld & a_World) override;
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 	virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void KilledBy(TakeDamageInfo & a_TDI) override;
 	
 	virtual bool IsUndead(void) override { return true; }
diff --git a/src/Mobs/Wolf.cpp b/src/Mobs/Wolf.cpp
index 4711d5a7a..b3eefdf79 100644
--- a/src/Mobs/Wolf.cpp
+++ b/src/Mobs/Wolf.cpp
@@ -43,7 +43,7 @@ bool cWolf::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 
 
-void cWolf::Attack(float a_Dt)
+void cWolf::Attack(std::chrono::milliseconds a_Dt)
 {
 	UNUSED(a_Dt);
 
@@ -145,7 +145,7 @@ void cWolf::OnRightClicked(cPlayer & a_Player)
 
 
 
-void cWolf::Tick(float a_Dt, cChunk & a_Chunk)
+void cWolf::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	if (!IsAngry())
 	{
diff --git a/src/Mobs/Wolf.h b/src/Mobs/Wolf.h
index 7500854f8..73ffb55c2 100644
--- a/src/Mobs/Wolf.h
+++ b/src/Mobs/Wolf.h
@@ -20,9 +20,9 @@ public:
 
 	virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void TickFollowPlayer();
-	virtual void Attack(float a_Dt) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
 
 	// Get functions
 	bool    IsSitting     (void) const { return m_IsSitting; }