Initial convertion of a_Dt to std::chrono

also refactored cWorld::m_WorldAge and cWorld::m_TimeOfDay

src/Bindings/LuaState.cpp

@@ -839,6 +839,13 @@ void cLuaState::Push(void * a_Ptr)
 	m_NumCurrentFunctionArgs += 1;
 }
 
+void cLuaState::Push(std::chrono::milliseconds a_Value)
+{
+	ASSERT(IsValid());
+
+	tolua_pushnumber(m_LuaState, a_Value.count());
+	m_NumCurrentFunctionArgs += 1;
+}
 
 
 

src/Bindings/LuaState.h

@@ -217,6 +217,7 @@ public:
 	void Push(Vector3d * a_Vector);
 	void Push(Vector3i * a_Vector);
 	void Push(void * a_Ptr);
+	void Push(std::chrono::milliseconds a_time);
 	
 	/** Retrieve value at a_StackPos, if it is a valid bool. If not, a_Value is unchanged */
 	void GetStackValue(int a_StackPos, bool & a_Value);

src/Bindings/Plugin.h

@@ -104,7 +104,7 @@ public:
 	virtual bool OnWeatherChanged           (cWorld & a_World) = 0;
 	virtual bool OnWeatherChanging          (cWorld & a_World, eWeather & a_NewWeather) = 0;
 	virtual bool OnWorldStarted             (cWorld & a_World) = 0;
-	virtual bool OnWorldTick                (cWorld & a_World, float a_Dt, int a_LastTickDurationMSec) = 0;
+	virtual bool OnWorldTick                (cWorld & a_World, std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec) = 0;
 	
 	/** Handles the command split into a_Split, issued by player a_Player.
 	Command permissions have already been checked.

src/Bindings/PluginLua.cpp

@@ -1430,7 +1430,7 @@ bool cPluginLua::OnWorldStarted(cWorld & a_World)
 
 
 
-bool cPluginLua::OnWorldTick(cWorld & a_World, float a_Dt, int a_LastTickDurationMSec)
+bool cPluginLua::OnWorldTick(cWorld & a_World, std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec)
 {
 	cCSLock Lock(m_CriticalSection);
 	cLuaRefs & Refs = m_HookMap[cPluginManager::HOOK_WORLD_TICK];

src/Bindings/PluginLua.h

@@ -128,7 +128,7 @@ public:
 	virtual bool OnWeatherChanged           (cWorld & a_World) override;
 	virtual bool OnWeatherChanging          (cWorld & a_World, eWeather & a_NewWeather) override;
 	virtual bool OnWorldStarted             (cWorld & a_World) override;
-	virtual bool OnWorldTick                (cWorld & a_World, float a_Dt, int a_LastTickDurationMSec) override;
+	virtual bool OnWorldTick                (cWorld & a_World, std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec) override;
 	
 	virtual bool HandleCommand(const AStringVector & a_Split, cPlayer & a_Player) override;
 	

src/Bindings/PluginManager.cpp

@@ -1394,7 +1394,7 @@ bool cPluginManager::CallHookWorldStarted(cWorld & a_World)
 
 
 
-bool cPluginManager::CallHookWorldTick(cWorld & a_World, float a_Dt, int a_LastTickDurationMSec)
+bool cPluginManager::CallHookWorldTick(cWorld & a_World, std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec)
 {
 	FIND_HOOK(HOOK_WORLD_TICK);
 	VERIFY_HOOK;

src/Bindings/PluginManager.h

@@ -237,7 +237,7 @@ public:
 	bool CallHookWeatherChanged           (cWorld & a_World);
 	bool CallHookWeatherChanging          (cWorld & a_World, eWeather & a_NewWeather);
 	bool CallHookWorldStarted             (cWorld & a_World);
-	bool CallHookWorldTick                (cWorld & a_World, float a_Dt, int a_LastTickDurationMSec);
+	bool CallHookWorldTick                (cWorld & a_World, std::chrono::milliseconds a_Dt, std::chrono::milliseconds a_LastTickDurationMSec);
 	
 	bool DisablePlugin(const AString & a_PluginName);  // tolua_export
 	bool LoadPlugin   (const AString & a_PluginName);  // tolua_export

src/BlockEntities/BeaconEntity.cpp

@@ -266,7 +266,7 @@ void cBeaconEntity::GiveEffects(void)
 
 
 
-bool cBeaconEntity::Tick(float a_Dt, cChunk & a_Chunk)
+bool cBeaconEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	// Update the beacon every 4 seconds
 	if ((GetWorld()->GetWorldAge() % 80) == 0)

src/BlockEntities/BeaconEntity.h

@@ -30,7 +30,7 @@ public:
 
 	// cBlockEntity overrides:
 	virtual void SendTo(cClientHandle & a_Client) override;
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void UsedBy(cPlayer * a_Player) override;
 
 	/** Modify the beacon level. (It is needed to load the beacon corectly) */

src/BlockEntities/BlockEntity.h

@@ -110,7 +110,7 @@ public:
 	virtual void SendTo(cClientHandle & a_Client) = 0;
 	
 	/// Ticks the entity; returns true if the chunk should be marked as dirty as a result of this ticking. By default does nothing.
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk)
+	virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 	{
 		UNUSED(a_Dt);
 		return false;

src/BlockEntities/CommandBlockEntity.cpp

@@ -125,7 +125,7 @@ void cCommandBlockEntity::SetRedstonePower(bool a_IsPowered)
 
 
 
-bool cCommandBlockEntity::Tick(float a_Dt, cChunk & a_Chunk)
+bool cCommandBlockEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	UNUSED(a_Dt);
 	UNUSED(a_Chunk);

src/BlockEntities/CommandBlockEntity.h

@@ -33,7 +33,7 @@ public:
 	/// Creates a new empty command block entity
 	cCommandBlockEntity(int a_X, int a_Y, int a_Z, cWorld * a_World);
 
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void SendTo(cClientHandle & a_Client) override;
 	virtual void UsedBy(cPlayer * a_Player) override;
 

src/BlockEntities/DropSpenserEntity.cpp

@@ -125,7 +125,7 @@ void cDropSpenserEntity::SetRedstonePower(bool a_IsPowered)
 
 
 
-bool cDropSpenserEntity::Tick(float a_Dt, cChunk & a_Chunk)
+bool cDropSpenserEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	UNUSED(a_Dt);
 	if (!m_ShouldDropSpense)

src/BlockEntities/DropSpenserEntity.h

@@ -47,7 +47,7 @@ public:
 	virtual ~cDropSpenserEntity();
 	
 	// cBlockEntity overrides:
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void SendTo(cClientHandle & a_Client) override;
 	virtual void UsedBy(cPlayer * a_Player) override;
 	

src/BlockEntities/FurnaceEntity.cpp

@@ -90,7 +90,7 @@ bool cFurnaceEntity::ContinueCooking(void)
 
 
 
-bool cFurnaceEntity::Tick(float a_Dt, cChunk & a_Chunk)
+bool cFurnaceEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	UNUSED(a_Dt);
 

src/BlockEntities/FurnaceEntity.h

@@ -42,7 +42,7 @@ public:
 
 	// cBlockEntity overrides:
 	virtual void SendTo(cClientHandle & a_Client) override;
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void UsedBy(cPlayer * a_Player) override;
 	virtual void Destroy() override
 	{

src/BlockEntities/HopperEntity.cpp

@@ -54,7 +54,7 @@ bool cHopperEntity::GetOutputBlockPos(NIBBLETYPE a_BlockMeta, int & a_OutputX, i
 
 
 
-bool cHopperEntity::Tick(float a_Dt, cChunk & a_Chunk)
+bool cHopperEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	UNUSED(a_Dt);
 	Int64 CurrentTick = a_Chunk.GetWorld()->GetWorldAge();

src/BlockEntities/HopperEntity.h

@@ -48,7 +48,7 @@ protected:
 	Int64 m_LastMoveItemsOutTick;
 
 	// cBlockEntity overrides:
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void SendTo(cClientHandle & a_Client) override;
 	virtual void UsedBy(cPlayer * a_Player) override;
 	

src/BlockEntities/MobSpawnerEntity.cpp

@@ -73,7 +73,7 @@ void cMobSpawnerEntity::UpdateActiveState(void)
 
 
 
-bool cMobSpawnerEntity::Tick(float a_Dt, cChunk & a_Chunk)
+bool cMobSpawnerEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	// Update the active flag every 5 seconds
 	if ((m_World->GetWorldAge() % 100) == 0)

src/BlockEntities/MobSpawnerEntity.h

@@ -29,7 +29,7 @@ public:
 
 	virtual void SendTo(cClientHandle & a_Client) override;
 	virtual void UsedBy(cPlayer * a_Player) override;
-	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	// tolua_begin
 

src/Chunk.cpp

@@ -601,7 +601,7 @@ void cChunk::SpawnMobs(cMobSpawner& a_MobSpawner)
 
 
 
-void cChunk::Tick(float a_Dt)
+void cChunk::Tick(std::chrono::milliseconds a_Dt)
 {
 	BroadcastPendingBlockChanges();
 

src/Chunk.h

@@ -160,7 +160,7 @@ public:
 	/** Try to Spawn Monsters inside chunk */
 	void SpawnMobs(cMobSpawner& a_MobSpawner);
 
-	void Tick(float a_Dt);
+	void Tick(std::chrono::milliseconds a_Dt);
 	
 	/** Ticks a single block. Used by cWorld::TickQueuedBlocks() to tick the queued blocks */
 	void TickBlock(int a_RelX, int a_RelY, int a_RelZ);

src/ChunkMap.cpp

@@ -2720,7 +2720,7 @@ void cChunkMap::SpawnMobs(cMobSpawner& a_MobSpawner)
 
 
 
-void cChunkMap::Tick(float a_Dt)
+void cChunkMap::Tick(std::chrono::milliseconds a_Dt)
 {
 	cCSLock Lock(m_CSLayers);
 	for (cChunkLayerList::iterator itr = m_Layers.begin(); itr != m_Layers.end(); ++itr)
@@ -2948,7 +2948,7 @@ void cChunkMap::cChunkLayer::SpawnMobs(cMobSpawner& a_MobSpawner)
 
 
 
-void cChunkMap::cChunkLayer::Tick(float a_Dt)
+void cChunkMap::cChunkLayer::Tick(std::chrono::milliseconds a_Dt)
 {
 	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{

src/ChunkMap.h

@@ -348,7 +348,7 @@ public:
 	/** Try to Spawn Monsters inside all Chunks */
 	void SpawnMobs(cMobSpawner& a_MobSpawner);
 
-	void Tick(float a_Dt);
+	void Tick(std::chrono::milliseconds a_Dt);
 	
 	/** Ticks a single block. Used by cWorld::TickQueuedBlocks() to tick the queued blocks */
 	void TickBlock(int a_BlockX, int a_BlockY, int a_BlockZ);
@@ -415,7 +415,7 @@ private:
 		/** Try to Spawn Monsters inside all Chunks */
 		void SpawnMobs(cMobSpawner& a_MobSpawner);
 
-		void Tick(float a_Dt);
+		void Tick(std::chrono::milliseconds a_Dt);
 		
 		void RemoveClient(cClientHandle * a_Client);
 		

src/Entities/ArrowEntity.cpp

@@ -174,10 +174,10 @@ void cArrowEntity::CollectedBy(cPlayer & a_Dest)
 
 
 
-void cArrowEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cArrowEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
-	m_Timer += a_Dt;
+	m_Timer += a_Dt.count();
 	
 	if (m_bIsCollected)
 	{
@@ -209,7 +209,7 @@ void cArrowEntity::Tick(float a_Dt, cChunk & a_Chunk)
 			}
 			else
 			{
-				m_HitGroundTimer += a_Dt;
+				m_HitGroundTimer += a_Dt.count();
 			}
 		}
 		

src/Entities/ArrowEntity.h

@@ -103,6 +103,6 @@ protected:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override;
 	virtual void OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) override;
 	virtual void CollectedBy(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;
 	
 };  // tolua_export

src/Entities/Boat.cpp

@@ -91,7 +91,7 @@ void cBoat::OnRightClicked(cPlayer & a_Player)
 
 
 
-void cBoat::Tick(float a_Dt, cChunk & a_Chunk)
+void cBoat::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 	BroadcastMovementUpdate();

src/Entities/Boat.h

@@ -27,7 +27,7 @@ public:
 	virtual void SpawnOn(cClientHandle & a_ClientHandle) override;
 	virtual void OnRightClicked(cPlayer & a_Player) override;
 	virtual bool DoTakeDamage(TakeDamageInfo & 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 HandleSpeedFromAttachee(float a_Forward, float a_Sideways) override;
 	
 	cBoat(double a_X, double a_Y, double a_Z);

src/Entities/EnderCrystal.cpp

@@ -29,7 +29,7 @@ void cEnderCrystal::SpawnOn(cClientHandle & a_ClientHandle)
 
 
 
-void cEnderCrystal::Tick(float a_Dt, cChunk & a_Chunk)
+void cEnderCrystal::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	UNUSED(a_Dt);
 	// No further processing (physics e.t.c.) is needed

src/Entities/EnderCrystal.h

@@ -23,7 +23,7 @@ private:
 
 	// cEntity overrides:
 	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 void KilledBy(TakeDamageInfo & a_TDI) override;
 
 };  // tolua_export

src/Entities/Entity.cpp

@@ -772,7 +772,7 @@ void cEntity::SetHealth(int a_Health)
 
 
 
-void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	m_TicksAlive++;
 	
@@ -841,7 +841,7 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
 
 
 
-void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
+void cEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	int BlockX = POSX_TOINT;
 	int BlockY = POSY_TOINT;
@@ -851,15 +851,15 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 	GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, BlockX, BlockZ)
 
 	// TODO Add collision detection with entities.
-	a_Dt /= 1000;  // Convert from msec to sec
+	auto DtSec = std::chrono::duration_cast<std::chrono::duration<double>>(a_Dt);
 	Vector3d NextPos = Vector3d(GetPosX(), GetPosY(), GetPosZ());
 	Vector3d NextSpeed = Vector3d(GetSpeedX(), GetSpeedY(), GetSpeedZ());
 	
 	if ((BlockY >= cChunkDef::Height) || (BlockY < 0))
 	{
 		// Outside of the world
-		AddSpeedY(m_Gravity * a_Dt);
+		AddSpeedY(m_Gravity * DtSec.count());
-		AddPosition(GetSpeed() * a_Dt);
+		AddPosition(GetSpeed() * DtSec.count());
 		return;
 	}
 	
@@ -930,8 +930,8 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 		float fallspeed;
 		if (IsBlockWater(BlockIn))
 		{
-			fallspeed = m_Gravity * a_Dt / 3;  // Fall 3x slower in water
+			fallspeed = m_Gravity * DtSec.count() / 3;  // Fall 3x slower in water
-			ApplyFriction(NextSpeed, 0.7, a_Dt);
+			ApplyFriction(NextSpeed, 0.7, DtSec.count());
 		}
 		else if (BlockIn == E_BLOCK_COBWEB)
 		{
@@ -941,13 +941,13 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 		else
 		{
 			// Normal gravity
-			fallspeed = m_Gravity * a_Dt;
+			fallspeed = m_Gravity * DtSec.count();
 		}
 		NextSpeed.y += fallspeed;
 	}
 	else
 	{
-		ApplyFriction(NextSpeed, 0.7, a_Dt);
+		ApplyFriction(NextSpeed, 0.7, DtSec.count());
 	}
 
 	// Adjust X and Z speed for COBWEB temporary. This speed modification should be handled inside block handlers since we
@@ -1002,14 +1002,14 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 	{
 		cTracer Tracer(GetWorld());
 		// Distance traced is an integer, so we round up from the distance we should go (Speed * Delta), else we will encounter collision detection failurse
-		int DistanceToTrace = (int)(ceil((NextSpeed * a_Dt).SqrLength()) * 2);
+		int DistanceToTrace = (int)(ceil((NextSpeed * DtSec.count()).SqrLength()) * 2);
 		bool HasHit = Tracer.Trace(NextPos, NextSpeed, DistanceToTrace);
 
 		if (HasHit)
 		{
 			// Oh noez! We hit something: verify that the (hit position - current) was smaller or equal to the (position that we should travel without obstacles - current)
 			// This is because previously, we traced with a length that was rounded up (due to integer limitations), and in the case that something was hit, we don't want to overshoot our projected movement
-			if ((Tracer.RealHit - NextPos).SqrLength() <= (NextSpeed * a_Dt).SqrLength())
+			if ((Tracer.RealHit - NextPos).SqrLength() <= (NextSpeed * DtSec.count()).SqrLength())
 			{
 				// Block hit was within our projected path
 				// Begin by stopping movement in the direction that we hit something. The Normal is the line perpendicular to a 2D face and in this case, stores what block face was hit through either -1 or 1.
@@ -1044,13 +1044,13 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 				// and that this piece of software will come to be hailed as the epitome of performance and functionality in C++, never before seen, and of such a like that will never
 				// be henceforth seen again in the time of programmers and man alike
 				// </&sensationalist>
-				NextPos += (NextSpeed * a_Dt);
+				NextPos += (NextSpeed * DtSec.count());
 			}
 		}
 		else
 		{
 			// We didn't hit anything, so move =]
-			NextPos += (NextSpeed * a_Dt);
+			NextPos += (NextSpeed * DtSec.count());
 		}
 	}
 

src/Entities/Entity.h

@@ -326,10 +326,10 @@ public:
 	
 	// tolua_end
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk);
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk);
 	
 	/// Handles the physics of the entity - updates position based on speed, updates speed based on environment
-	virtual void HandlePhysics(float a_Dt, cChunk & a_Chunk);
+	virtual void HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk);
 	
 	/// Updates the state related to this entity being on fire
 	virtual void TickBurning(cChunk & a_Chunk);

src/Entities/ExpOrb.cpp

@@ -42,7 +42,7 @@ void cExpOrb::SpawnOn(cClientHandle & a_Client)
 
 
 
-void cExpOrb::Tick(float a_Dt, cChunk & a_Chunk)
+void cExpOrb::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	cPlayer * a_ClosestPlayer(m_World->FindClosestPlayer(Vector3f(GetPosition()), 5));
 	if (a_ClosestPlayer != nullptr)
@@ -69,7 +69,7 @@ void cExpOrb::Tick(float a_Dt, cChunk & a_Chunk)
 	}
 	HandlePhysics(a_Dt, a_Chunk);
 	
-	m_Timer += a_Dt;
+	m_Timer += a_Dt.count();
 	if (m_Timer >= 1000 * 60 * 5)  // 5 minutes
 	{
 		Destroy(true);

src/Entities/ExpOrb.h

@@ -22,7 +22,7 @@ public:
 	cExpOrb(const Vector3d & a_Pos, int a_Reward);
 
 	// Override functions
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void SpawnOn(cClientHandle & a_Client) override;
 
 	/** Returns the number of ticks that this entity has existed */

src/Entities/FallingBlock.cpp

@@ -31,7 +31,7 @@ void cFallingBlock::SpawnOn(cClientHandle & a_ClientHandle)
 
 
 
-void cFallingBlock::Tick(float a_Dt, cChunk & a_Chunk)
+void cFallingBlock::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	// GetWorld()->BroadcastTeleportEntity(*this);  // Test position
 	
@@ -82,7 +82,7 @@ void cFallingBlock::Tick(float a_Dt, cChunk & a_Chunk)
 		return;
 	}
 	
-	float MilliDt = a_Dt * 0.001f;
+	float MilliDt = a_Dt.count() * 0.001f;
 	AddSpeedY(MilliDt * -9.8f);
 	AddPosition(GetSpeed() * MilliDt);
 

src/Entities/FallingBlock.h

@@ -30,7 +30,7 @@ public:
 	
 	// cEntity overrides:
 	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;
 	
 private:
 	BLOCKTYPE  m_BlockType;

src/Entities/FireworkEntity.cpp

@@ -19,7 +19,7 @@ cFireworkEntity::cFireworkEntity(cEntity * a_Creator, double a_X, double a_Y, do
 
 
 
-void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
+void cFireworkEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	int RelX = POSX_TOINT - a_Chunk.GetPosX() * cChunkDef::Width;
 	int RelZ = POSZ_TOINT - a_Chunk.GetPosZ() * cChunkDef::Width;
@@ -28,7 +28,7 @@ void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 	if ((PosY < 0) || (PosY >= cChunkDef::Height))
 	{
 		AddSpeedY(1);
-		AddPosition(GetSpeed() * (a_Dt / 1000));
+		AddPosition(GetSpeed() * (a_Dt.count() / 1000));
 		return;
 	}
 	
@@ -53,14 +53,14 @@ void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 	}
 	
 	AddSpeedY(1);
-	AddPosition(GetSpeed() * (a_Dt / 1000));
+	AddPosition(GetSpeed() * (a_Dt.count() / 1000));
 }
 
 
 
 
 
-void cFireworkEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cFireworkEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 	

src/Entities/FireworkEntity.h

@@ -49,8 +49,8 @@ public:
 protected:
 	
 	// cProjectileEntity overrides:
-	virtual void HandlePhysics(float a_Dt, cChunk & a_Chunk) override;
+	virtual void HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	
 private:
 	

src/Entities/Floater.cpp

@@ -125,7 +125,7 @@ void cFloater::SpawnOn(cClientHandle & a_Client)
 
 
 
-void cFloater::Tick(float a_Dt, cChunk & a_Chunk)
+void cFloater::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	HandlePhysics(a_Dt, a_Chunk);
 	if (IsBlockWater(m_World->GetBlock((int) GetPosX(), (int) GetPosY(), (int) GetPosZ())) && m_World->GetBlockMeta((int) GetPosX(), (int) GetPosY(), (int) GetPosZ()) == 0)

src/Entities/Floater.h

@@ -21,7 +21,7 @@ public:
 	cFloater(double a_X, double a_Y, double a_Z, Vector3d a_Speed, int a_PlayerID, int a_CountDownTime);
 
 	virtual void SpawnOn(cClientHandle & a_Client) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	
 	// tolua_begin
 	bool CanPickup(void)       const { return m_CanPickupItem; }

src/Entities/HangingEntity.h

@@ -43,7 +43,7 @@ public:
 private:
 
 	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 {}
 
 	eBlockFace m_Facing;
 

src/Entities/Minecart.cpp

@@ -111,7 +111,7 @@ void cMinecart::SpawnOn(cClientHandle & a_ClientHandle)
 
 
 
-void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
+void cMinecart::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	if (IsDestroyed())  // Mainly to stop detector rails triggering again after minecart is dead
 	{
@@ -165,19 +165,19 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 
 		switch (InsideType)
 		{
-			case E_BLOCK_RAIL: HandleRailPhysics(InsideMeta, a_Dt); break;
+			case E_BLOCK_RAIL: HandleRailPhysics(InsideMeta, a_Dt.count()); break;
 			case E_BLOCK_ACTIVATOR_RAIL: break;
 			case E_BLOCK_POWERED_RAIL: HandlePoweredRailPhysics(InsideMeta); break;
 			case E_BLOCK_DETECTOR_RAIL:
 			{
-				HandleDetectorRailPhysics(InsideMeta, a_Dt);
+				HandleDetectorRailPhysics(InsideMeta, a_Dt.count());
 				WasDetectorRail = true;
 				break;
 			}
 			default: VERIFY(!"Unhandled rail type despite checking if block was rail!"); break;
 		}
 
-		AddPosition(GetSpeed() * (a_Dt / 1000));  // Commit changes; as we use our own engine when on rails, this needs to be done, whereas it is normally in Entity.cpp
+		AddPosition(GetSpeed() * (a_Dt.count() / 1000));  // Commit changes; as we use our own engine when on rails, this needs to be done, whereas it is normally in Entity.cpp
 	}
 	else
 	{
@@ -1213,7 +1213,7 @@ void cMinecartWithFurnace::OnRightClicked(cPlayer & a_Player)
 
 
 
-void cMinecartWithFurnace::Tick(float a_Dt, cChunk & a_Chunk)
+void cMinecartWithFurnace::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 

src/Entities/Minecart.h

@@ -38,7 +38,7 @@ public:
 	
 	// cEntity overrides:
 	virtual void SpawnOn(cClientHandle & a_ClientHandle) override;
-	virtual void HandlePhysics(float a_Dt, cChunk & a_Chunk) override;
+	virtual void HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual bool DoTakeDamage(TakeDamageInfo & TDI) override;
 	virtual void Destroyed() override;
 	
@@ -171,7 +171,7 @@ public:
 	
 	// cEntity overrides:
 	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;
 
 	// Set functions.
 	void SetIsFueled(bool a_IsFueled, int a_FueledTimeLeft = -1) {m_IsFueled = a_IsFueled; m_FueledTimeLeft = a_FueledTimeLeft;}

src/Entities/Painting.cpp

@@ -31,7 +31,7 @@ void cPainting::SpawnOn(cClientHandle & a_Client)
 
 
 
-void cPainting::Tick(float a_Dt, cChunk & a_Chunk)
+void cPainting::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	UNUSED(a_Dt);
 	UNUSED(a_Chunk);

src/Entities/Painting.h

@@ -31,7 +31,7 @@ public:
 private:
 
 	virtual void SpawnOn(cClientHandle & a_Client) 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 GetDrops(cItems & a_Items, cEntity * a_Killer) override;
 	virtual void KilledBy(TakeDamageInfo & a_TDI) override
 	{

src/Entities/Pawn.cpp

@@ -19,7 +19,7 @@ cPawn::cPawn(eEntityType a_EntityType, double a_Width, double a_Height) :
 
 
 
-void cPawn::Tick(float a_Dt, cChunk & a_Chunk)
+void cPawn::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	// Iterate through this entity's applied effects
 	for (tEffectMap::iterator iter = m_EntityEffects.begin(); iter != m_EntityEffects.end();)

src/Entities/Pawn.h

@@ -20,7 +20,7 @@ public:
 
 	cPawn(eEntityType a_EntityType, 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;
 	virtual void KilledBy(TakeDamageInfo & a_TDI) override;
 	
 	// tolua_begin

src/Entities/Pickup.cpp

@@ -110,12 +110,12 @@ void cPickup::SpawnOn(cClientHandle & a_Client)
 
 
 
-void cPickup::Tick(float a_Dt, cChunk & a_Chunk)
+void cPickup::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 	BroadcastMovementUpdate();  // Notify clients of position
 
-	m_Timer += a_Dt;
+	m_Timer += a_Dt.count();
 	
 	if (!m_bCollected)
 	{
@@ -142,7 +142,7 @@ void cPickup::Tick(float a_Dt, cChunk & a_Chunk)
 			{
 				m_bCollected = true;
 				m_Timer = 0;  // We have to reset the timer.
-				m_Timer += a_Dt;  // In case we have to destroy the pickup in the same tick.
+				m_Timer += a_Dt.count();  // In case we have to destroy the pickup in the same tick.
 				if (m_Timer > 500.f)
 				{
 					Destroy(true);

src/Entities/Pickup.h

@@ -34,7 +34,7 @@ public:
 
 	bool CollectedBy(cPlayer & a_Dest);  // tolua_export
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	/** Returns the number of ticks that this entity has existed */
 	int GetAge(void) const { return static_cast<int>(m_Timer / 50); }     // tolua_export

src/Entities/Player.cpp

@@ -191,7 +191,7 @@ void cPlayer::SpawnOn(cClientHandle & a_Client)
 
 
 
-void cPlayer::Tick(float a_Dt, cChunk & a_Chunk)
+void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	if (m_ClientHandle != nullptr)
 	{

src/Entities/Player.h

@@ -46,9 +46,9 @@ public:
 
 	virtual void SpawnOn(cClientHandle & a_Client) 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 HandlePhysics(float a_Dt, cChunk &) override { UNUSED(a_Dt); }
+	virtual void HandlePhysics(std::chrono::milliseconds a_Dt, cChunk &) override { UNUSED(a_Dt); }
 
 	/** Returns the curently equipped weapon; empty item if none */
 	virtual cItem GetEquippedWeapon(void) const override { return m_Inventory.GetEquippedItem(); }

src/Entities/ProjectileEntity.cpp

@@ -331,7 +331,7 @@ AString cProjectileEntity::GetMCAClassName(void) const
 
 
 
-void cProjectileEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cProjectileEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 	
@@ -346,7 +346,7 @@ void cProjectileEntity::Tick(float a_Dt, cChunk & a_Chunk)
 
 
 
-void cProjectileEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
+void cProjectileEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	if (m_IsInGround)
 	{

src/Entities/ProjectileEntity.h

@@ -118,8 +118,8 @@ protected:
 	bool m_IsInGround;
 		
 	// cEntity overrides:
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
-	virtual void HandlePhysics(float a_Dt, cChunk & a_Chunk) override;
+	virtual void HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void SpawnOn(cClientHandle & a_Client) override;
 	
 } ;  // tolua_export

src/Entities/SplashPotionEntity.h

@@ -58,7 +58,7 @@ protected:
 	// cProjectileEntity overrides:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override;
 	virtual void OnHitEntity    (cEntity & a_EntityHit, const Vector3d & a_HitPos) override;
-	virtual void Tick           (float a_Dt, cChunk & a_Chunk) override
+	virtual void Tick           (std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override
 	{
 		if (m_DestroyTimer > 0)
 		{

src/Entities/TNTEntity.cpp

@@ -50,7 +50,7 @@ void cTNTEntity::Explode(void)
 
 
 
-void cTNTEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cTNTEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	super::Tick(a_Dt, a_Chunk);
 	BroadcastMovementUpdate();

src/Entities/TNTEntity.h

@@ -21,7 +21,7 @@ public:
 	
 	// cEntity overrides:
 	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;
 	
 	// tolua_begin
 	

src/Entities/ThrownEggEntity.cpp

@@ -44,7 +44,7 @@ void cThrownEggEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_Hit
 
 
 
-void cThrownEggEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cThrownEggEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	if (m_DestroyTimer > 0)
 	{

src/Entities/ThrownEggEntity.h

@@ -35,7 +35,7 @@ protected:
 	// cProjectileEntity overrides:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override;
 	virtual void OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	
 	// Randomly decides whether to spawn a chicken where the egg lands.
 	void TrySpawnChicken(const Vector3d & a_HitPos);

src/Entities/ThrownEnderPearlEntity.cpp

@@ -46,7 +46,7 @@ void cThrownEnderPearlEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d
 
 
 
-void cThrownEnderPearlEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cThrownEnderPearlEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	if (m_DestroyTimer > 0)
 	{

src/Entities/ThrownEnderPearlEntity.h

@@ -35,7 +35,7 @@ protected:
 	// cProjectileEntity overrides:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override;
 	virtual void OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	
 	/** Teleports the creator where the ender pearl lands */
 	void TeleportCreator(const Vector3d & a_HitPos);

src/Entities/ThrownSnowballEntity.cpp

@@ -48,7 +48,7 @@ void cThrownSnowballEntity::OnHitEntity(cEntity & a_EntityHit, const Vector3d &
 
 
 
-void cThrownSnowballEntity::Tick(float a_Dt, cChunk & a_Chunk)
+void cThrownSnowballEntity::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
 {
 	if (m_DestroyTimer > 0)
 	{

src/Entities/ThrownSnowballEntity.h

@@ -35,7 +35,7 @@ protected:
 	// cProjectileEntity overrides:
 	virtual void OnHitSolidBlock(const Vector3d & a_HitPos, eBlockFace a_HitFace) override;
 	virtual void OnHitEntity(cEntity & a_EntityHit, const Vector3d & a_HitPos) override;
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 private:
 

src/Globals.h

@@ -421,6 +421,7 @@ std::unique_ptr<T> make_unique(Args&&... args)
 
 // a tick is 50 ms
 using cTickTime = std::chrono::duration<int,  std::ratio_multiply<std::chrono::milliseconds::period, std::ratio<50>>>;
+using cTickTimeLong = std::chrono::duration<Int64,  cTickTime::period>;
 
 #ifndef TOLUA_TEMPLATE_BIND
 	#define TOLUA_TEMPLATE_BIND(x)

src/Mobs/AggressiveMonster.cpp

@@ -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))
 	{

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 Tick          (std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 	virtual void InStateChasing(float 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. */

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))
 	{

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;
 } ;

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);
 	

src/Mobs/CaveSpider.h

@@ -16,8 +16,8 @@ public:
 
 	CLASS_PROTODEF(cCaveSpider)
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
-	virtual void Attack(float a_Dt) override;
+	virtual void Attack(std::chrono::milliseconds a_Dt) override;
 	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = nullptr) override;
 } ;
 

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);
 

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); }
 

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);
 

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 Attack(std::chrono::milliseconds a_Dt) 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 IsBlowing(void) const {return m_bIsBlowing; }

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);
 

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; }

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))
 	{

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; }
 } ;

src/Mobs/Guardian.cpp

@@ -35,7 +35,7 @@ void cGuardian::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 
 
 
-void cGuardian::Tick(float a_Dt, cChunk & a_Chunk)
+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)

src/Mobs/Guardian.h

@@ -15,7 +15,7 @@ class cGuardian :
 public:
 	cGuardian();
 
-	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) override;
 
 	CLASS_PROTODEF(cGuardian)
 	

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);
 

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; }

src/Mobs/Monster.cpp

@@ -252,14 +252,14 @@ 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;
+		m_DestroyTimer += a_Dt.count() / 1000;
 		if (m_DestroyTimer > 1)
 		{
 			Destroy(true);
@@ -275,8 +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)
@@ -347,18 +345,18 @@ void cMonster::Tick(float a_Dt, cChunk & a_Chunk)
 		case IDLE:
 		{
 			// If enemy passive we ignore checks for player visibility
-			InStateIdle(a_Dt);
+			InStateIdle(std::chrono::duration_cast<std::chrono::seconds>(a_Dt).count());
 			break;
 		}
 		case CHASING:
 		{
 			// If we do not see a player anymore skip chasing action
-			InStateChasing(a_Dt);
+			InStateChasing(std::chrono::duration_cast<std::chrono::seconds>(a_Dt).count());
 			break;
 		}
 		case ESCAPING:
 		{
-			InStateEscaping(a_Dt);
+			InStateEscaping(std::chrono::duration_cast<std::chrono::seconds>(a_Dt).count());
 			break;
 		}
 			

src/Mobs/Monster.h

@@ -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;
 

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);
 

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;

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);
 

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); }
 

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;

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); }
 

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))
 	{

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; }

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)
 	{

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; }

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()))))

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;
 } ;
 

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)

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)
 	

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);
 

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.*/

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);