20 files changed, 2300 insertions, 0 deletions

diff --git a/source/Entities/Boat.cpp b/src/Entities/Boat.cpp
index 56e766dd4..56e766dd4 100644
--- a/source/Entities/Boat.cpp
+++ b/src/Entities/Boat.cpp
diff --git a/source/Entities/Boat.h b/src/Entities/Boat.h
index 8c51ab86c..8c51ab86c 100644
--- a/source/Entities/Boat.h
+++ b/src/Entities/Boat.h
diff --git a/source/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 3bea7bc01..3bea7bc01 100644
--- a/source/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
new file mode 100644
index 000000000..de5f176ae
--- /dev/null
+++ b/src/Entities/Entity.h
@@ -0,0 +1,446 @@
+
+#pragma once
+
+#include "../Item.h"
+#include "../Vector3d.h"
+#include "../Vector3f.h"
+
+
+
+
+
+// Place this macro in the public section of each cEntity descendant class and you're done :)
+#define CLASS_PROTODEF(classname) \
+	virtual bool IsA(const char * a_ClassName) const override\
+	{ \
+		return ((strcmp(a_ClassName, #classname) == 0) || super::IsA(a_ClassName)); \
+	} \
+	virtual const char * GetClass(void) const override \
+	{ \
+		return #classname; \
+	} \
+	static const char * GetClassStatic(void) \
+	{ \
+		return #classname; \
+	} \
+	virtual const char * GetParentClass(void) const override \
+	{ \
+		return super::GetClass(); \
+	}
+
+
+
+
+
+class cWorld;
+class cReferenceManager;
+class cClientHandle;
+class cPlayer;
+class cChunk;
+
+
+
+
+
+// tolua_begin
+struct TakeDamageInfo
+{
+	eDamageType DamageType;   // Where does the damage come from? Being hit / on fire / contact with cactus / ...
+	cEntity *   Attacker;     // The attacking entity; valid only for dtAttack
+	int         RawDamage;    // What damage would the receiver get without any armor. Usually: attacker mob type + weapons
+	int         FinalDamage;  // What actual damage will be received. Usually: m_RawDamage minus armor
+	Vector3d    Knockback;    // The amount and direction of knockback received from the damage
+	// TODO: Effects - list of effects that the hit is causing. Unknown representation yet
+} ;
+// tolua_end
+
+
+
+
+
+// tolua_begin
+class cEntity
+{
+public:
+
+	enum eEntityType
+	{
+		etEntity,  // For all other types
+		etPlayer,
+		etPickup,
+		etMonster,
+		etFallingBlock,
+		etMinecart,
+		etBoat,
+		etTNT,
+		etProjectile,
+		etExpOrb,
+		
+		// Common variations
+		etMob = etMonster,  // DEPRECATED, use etMonster instead!
+	} ;
+	
+	// tolua_end
+
+	enum
+	{
+		ENTITY_STATUS_HURT            = 2,
+		ENTITY_STATUS_DEAD            = 3,
+		ENTITY_STATUS_WOLF_TAMING     = 6,
+		ENTITY_STATUS_WOLF_TAMED      = 7,
+		ENTITY_STATUS_WOLF_SHAKING    = 8,
+		ENTITY_STATUS_EATING_ACCEPTED = 9,
+		ENTITY_STATUS_SHEEP_EATING    = 10,
+		ENTITY_STATUS_GOLEM_ROSING    = 11,
+		ENTITY_STATUS_VILLAGER_HEARTS = 12,
+		ENTITY_STATUS_VILLAGER_ANGRY  = 13,
+		ENTITY_STATUS_VILLAGER_HAPPY  = 14,
+		ENTITY_STATUS_WITCH_MAGICKING = 15,
+		// It seems 16 (zombie conversion) is now done with metadata
+		ENTITY_STATUS_FIREWORK_EXPLODE= 17,
+	} ;
+	
+	enum
+	{
+		FIRE_TICKS_PER_DAMAGE = 10,  ///< How many ticks to wait between damaging an entity when it stands in fire
+		FIRE_DAMAGE = 1,             ///< How much damage to deal when standing in fire
+		LAVA_TICKS_PER_DAMAGE = 10,  ///< How many ticks to wait between damaging an entity when it stands in lava
+		LAVA_DAMAGE = 5,             ///< How much damage to deal when standing in lava
+		BURN_TICKS_PER_DAMAGE = 20,  ///< How many ticks to wait between damaging an entity when it is burning
+		BURN_DAMAGE = 1,             ///< How much damage to deal when the entity is burning
+		BURN_TICKS = 200,            ///< How long to keep an entity burning after it has stood in lava / fire
+	} ;
+	
+	cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, double a_Width, double a_Height);
+	virtual ~cEntity();
+
+	/// Spawns the entity in the world; returns true if spawned, false if not (plugin disallowed)
+	virtual bool Initialize(cWorld * a_World);
+
+	// tolua_begin
+	
+	eEntityType GetEntityType(void) const { return m_EntityType; }
+	
+	bool IsPlayer      (void) const { return (m_EntityType == etPlayer); }
+	bool IsPickup      (void) const { return (m_EntityType == etPickup); }
+	bool IsMob         (void) const { return (m_EntityType == etMonster); }
+	bool IsFallingBlock(void) const { return (m_EntityType == etFallingBlock); }
+	bool IsMinecart    (void) const { return (m_EntityType == etMinecart); }
+	bool IsBoat        (void) const { return (m_EntityType == etBoat); }
+	bool IsTNT         (void) const { return (m_EntityType == etTNT); }
+	bool IsProjectile  (void) const { return (m_EntityType == etProjectile); }
+	
+	/// Returns true if the entity is of the specified class or a subclass (cPawn's IsA("cEntity") returns true)
+	virtual bool IsA(const char * a_ClassName) const;
+	
+	/// Returns the topmost class name for the object
+	virtual const char * GetClass(void) const;
+	
+	// Returns the class name of this class
+	static const char * GetClassStatic(void);
+	
+	/// Returns the topmost class's parent class name for the object. cEntity returns an empty string (no parent).
+	virtual const char * GetParentClass(void) const;
+
+	cWorld * GetWorld(void) const { return m_World; }
+
+	double           GetHeadYaw   (void) const { return m_HeadYaw; }
+	double           GetHeight    (void) const { return m_Height;  }
+	double           GetMass      (void) const { return m_Mass;    }
+	const Vector3d & GetPosition  (void) const { return m_Pos;     }
+	double           GetPosX      (void) const { return m_Pos.x;   }
+	double           GetPosY      (void) const { return m_Pos.y;   }
+	double           GetPosZ      (void) const { return m_Pos.z;   }
+	const Vector3d & GetRot       (void) const { return m_Rot;     }
+	double           GetRotation  (void) const { return m_Rot.x;   }  // OBSOLETE, use GetYaw() instead
+	double           GetYaw       (void) const { return m_Rot.x;   }
+	double           GetPitch     (void) const { return m_Rot.y;   }
+	double           GetRoll      (void) const { return m_Rot.z;   }
+	Vector3d         GetLookVector(void) const;
+	const Vector3d & GetSpeed     (void) const { return m_Speed;   }
+	double           GetSpeedX    (void) const { return m_Speed.x; }
+	double           GetSpeedY    (void) const { return m_Speed.y; }
+	double           GetSpeedZ    (void) const { return m_Speed.z; }
+	double           GetWidth     (void) const { return m_Width;   }
+	
+	int GetChunkX(void) const {return (int)floor(m_Pos.x / cChunkDef::Width); }
+	int GetChunkZ(void) const {return (int)floor(m_Pos.z / cChunkDef::Width); }
+
+	void SetHeadYaw (double a_HeadYaw);
+	void SetHeight  (double a_Height);
+	void SetMass    (double a_Mass);
+	void SetPosX    (double a_PosX);
+	void SetPosY    (double a_PosY);
+	void SetPosZ    (double a_PosZ);
+	void SetPosition(double a_PosX, double a_PosY, double a_PosZ);
+	void SetPosition(const Vector3d & a_Pos) { SetPosition(a_Pos.x, a_Pos.y, a_Pos.z); }
+	void SetRot     (const Vector3f & a_Rot);
+	void SetRotation(double a_Rotation) { SetYaw(a_Rotation); }  // OBSOLETE, use SetYaw() instead
+	void SetYaw     (double a_Yaw);
+	void SetPitch   (double a_Pitch);
+	void SetRoll    (double a_Roll);
+	void SetSpeed   (double a_SpeedX, double a_SpeedY, double a_SpeedZ);
+	void SetSpeed   (const Vector3d & a_Speed) { SetSpeed(a_Speed.x, a_Speed.y, a_Speed.z); }
+	void SetSpeedX  (double a_SpeedX);
+	void SetSpeedY  (double a_SpeedY);
+	void SetSpeedZ  (double a_SpeedZ);
+	void SetWidth   (double a_Width);
+	
+	void AddPosX    (double a_AddPosX);
+	void AddPosY    (double a_AddPosY);
+	void AddPosZ    (double a_AddPosZ);
+	void AddPosition(double a_AddPosX, double a_AddPosY, double a_AddPosZ);
+	void AddPosition(const Vector3d & a_AddPos) { AddPosition(a_AddPos.x,a_AddPos.y,a_AddPos.z);}
+	void AddSpeed   (double a_AddSpeedX, double a_AddSpeedY, double a_AddSpeedZ);
+	void AddSpeed   (const Vector3d & a_AddSpeed) { AddSpeed(a_AddSpeed.x,a_AddSpeed.y,a_AddSpeed.z);}
+	void AddSpeedX  (double a_AddSpeedX);
+	void AddSpeedY  (double a_AddSpeedY);
+	void AddSpeedZ  (double a_AddSpeedZ);
+	
+	void SteerVehicle(float a_Forward, float a_Sideways);
+
+	inline int  GetUniqueID(void) const { return m_UniqueID; }
+	inline bool IsDestroyed(void) const { return !m_IsInitialized; }
+
+	/// Schedules the entity for destroying; if a_ShouldBroadcast is set to true, broadcasts the DestroyEntity packet
+	void Destroy(bool a_ShouldBroadcast = true);
+
+	/// Makes this pawn take damage from an attack by a_Attacker. Damage values are calculated automatically and DoTakeDamage() called
+	void TakeDamage(cEntity & a_Attacker);
+	
+	/// Makes this entity take the specified damage. The final damage is calculated using current armor, then DoTakeDamage() called
+	void TakeDamage(eDamageType a_DamageType, cEntity * a_Attacker, int a_RawDamage, double a_KnockbackAmount);
+
+	/// Makes this entity take the specified damage. The values are packed into a TDI, knockback calculated, then sent through DoTakeDamage()
+	void TakeDamage(eDamageType a_DamageType, cEntity * a_Attacker, int a_RawDamage, int a_FinalDamage, double a_KnockbackAmount);
+	
+	float GetGravity(void) const { return m_Gravity; }
+	
+	void SetGravity(float a_Gravity) { m_Gravity = a_Gravity; }
+	
+	/// Sets the rotation to match the speed vector (entity goes "face-forward")
+	void SetRotationFromSpeed(void);
+	
+	/// Sets the pitch to match the speed vector (entity gies "face-forward")
+	void SetPitchFromSpeed(void);
+	
+	// tolua_end
+	
+	/// Makes this entity take damage specified in the a_TDI. The TDI is sent through plugins first, then applied
+	virtual void DoTakeDamage(TakeDamageInfo & a_TDI);
+	
+	// tolua_begin
+
+	/// Returns the hitpoints that this pawn can deal to a_Receiver using its equipped items
+	virtual int GetRawDamageAgainst(const cEntity & a_Receiver);
+	
+	/// 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 knockback amount that the currently equipped items would cause to a_Receiver on a hit
+	virtual double GetKnockbackAmountAgainst(const cEntity & a_Receiver);
+	
+	/// Returns the curently equipped weapon; empty item if none
+	virtual cItem GetEquippedWeapon(void) const { return cItem(); }
+	
+	/// Returns the currently equipped helmet; empty item if none
+	virtual cItem GetEquippedHelmet(void) const { return cItem(); }
+	
+	/// Returns the currently equipped chestplate; empty item if none
+	virtual cItem GetEquippedChestplate(void) const { return cItem(); }
+
+	/// Returns the currently equipped leggings; empty item if none
+	virtual cItem GetEquippedLeggings(void) const { return cItem(); }
+	
+	/// Returns the currently equipped boots; empty item if none
+	virtual cItem GetEquippedBoots(void) const { return cItem(); }
+
+	/// Called when the health drops below zero. a_Killer may be NULL (environmental damage)
+	virtual void KilledBy(cEntity * a_Killer);
+
+	/// Heals the specified amount of HPs
+	void Heal(int a_HitPoints);
+	
+	/// Returns the health of this entity
+	int GetHealth(void) const { return m_Health; }
+	
+	/// Sets the health of this entity; doesn't broadcast any hurt animation
+	void SetHealth(int a_Health);
+	
+	// tolua_end
+
+	virtual void Tick(float 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);
+	
+	/// Updates the state related to this entity being on fire
+	virtual void TickBurning(cChunk & a_Chunk);
+	
+	/// Handles when the entity is in the void
+	virtual void TickInVoid(cChunk & a_Chunk);
+
+	/// Called when the entity starts burning
+	virtual void OnStartedBurning(void);
+	
+	/// Called when the entity finishes burning
+	virtual void OnFinishedBurning(void);
+	
+	// tolua_begin
+	
+	/// Sets the maximum value for the health
+	void SetMaxHealth(int a_MaxHealth);
+
+	int GetMaxHealth(void) const { return m_MaxHealth; }
+	
+	/// Puts the entity on fire for the specified amount of ticks
+	void StartBurning(int a_TicksLeftBurning);
+	
+	/// Stops the entity from burning, resets all burning timers
+	void StopBurning(void);
+	
+	// tolua_end
+
+	/** Descendants override this function to send a command to the specified client to spawn the entity on the client.
+	To spawn on all eligible clients, use cChunkMap::BroadcastSpawnEntity()
+	*/
+	virtual void SpawnOn(cClientHandle & a_Client) = 0;
+
+	// tolua_begin
+	
+	/// Teleports to the entity specified
+	virtual void TeleportToEntity(cEntity & a_Entity);
+	
+	/// Teleports to the coordinates specified
+	virtual void TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ);
+	
+	// tolua_end
+	
+	/// Updates clients of changes in the entity.
+	virtual void BroadcastMovementUpdate(const cClientHandle * a_Exclude = NULL);
+	
+	/// Attaches to the specified entity; detaches from any previous one first
+	void AttachTo(cEntity * a_AttachTo);
+	
+	/// Detaches from the currently attached entity, if any
+	void Detach(void);
+	
+	/// Makes sure head yaw is not over the specified range.
+	void WrapHeadYaw();
+
+	/// Makes sure rotation is not over the specified range.
+	void WrapRotation();
+
+	/// Makes speed is not over 20. Max speed is 20 blocks / second
+	void WrapSpeed();
+	
+	// tolua_begin
+	
+	// COMMON metadata flags; descendants may override the defaults:
+	virtual bool IsOnFire   (void) const {return (m_TicksLeftBurning > 0); }
+	virtual bool IsCrouched (void) const {return false; }
+	virtual bool IsRiding   (void) const {return false; }
+	virtual bool IsSprinting(void) const {return false; }
+	virtual bool IsRclking  (void) const {return false; }
+	virtual bool IsInvisible(void) const {return false; }
+	
+	// tolua_end
+	
+	/// Called when the specified player right-clicks this entity
+	virtual void OnRightClicked(cPlayer & a_Player) {};
+
+	/// Returns the list of drops for this pawn when it is killed. May check a_Killer for special handling (sword of looting etc.). Called from KilledBy().
+	virtual void GetDrops(cItems & a_Drops, cEntity * a_Killer = NULL) {}
+
+protected:
+	static cCriticalSection m_CSCount;
+	static int m_EntityCount;
+	
+	int m_UniqueID;
+	
+	int m_Health;
+	int m_MaxHealth;
+	
+	/// The entity to which this entity is attached (vehicle), NULL if none
+	cEntity * m_AttachedTo;
+	
+	/// The entity which is attached to this entity (rider), NULL if none
+	cEntity * m_Attachee;
+
+	cReferenceManager* m_Referencers;
+	cReferenceManager* m_References;
+
+	// Flags that signal that we haven't updated the clients with the latest.
+	bool     m_bDirtyHead;
+	bool     m_bDirtyOrientation;
+	bool     m_bDirtyPosition;
+	bool     m_bDirtySpeed;
+
+	bool     m_bOnGround;
+	float    m_Gravity;
+	
+	// Last Position.
+	double m_LastPosX, m_LastPosY, m_LastPosZ;
+
+	// This variables keep track of the last time a packet was sent
+	Int64 m_TimeLastTeleportPacket,m_TimeLastMoveReltPacket,m_TimeLastSpeedPacket;  // In ticks
+
+	bool m_IsInitialized;  // Is set to true when it's initialized, until it's destroyed (Initialize() till Destroy() )
+
+	eEntityType m_EntityType;
+	
+	cWorld * m_World;
+	
+	/// Time, in ticks, since the last damage dealt by being on fire. Valid only if on fire (IsOnFire())
+	int m_TicksSinceLastBurnDamage;
+	
+	/// Time, in ticks, since the last damage dealt by standing in lava. Reset to zero when moving out of lava.
+	int m_TicksSinceLastLavaDamage;
+	
+	/// Time, in ticks, since the last damage dealt by standing in fire. Reset to zero when moving out of fire.
+	int m_TicksSinceLastFireDamage;
+	
+	/// Time, in ticks, until the entity extinguishes its fire
+	int m_TicksLeftBurning;
+	
+	/// Time, in ticks, since the last damage dealt by the void. Reset to zero when moving out of the void.
+	int m_TicksSinceLastVoidDamage;
+
+	virtual void Destroyed(void) {} // Called after the entity has been destroyed
+
+	void SetWorld(cWorld * a_World) { m_World = a_World; }
+	
+	friend class cReferenceManager;
+	void AddReference( cEntity*& a_EntityPtr );
+	void ReferencedBy( cEntity*& a_EntityPtr );
+	void Dereference( cEntity*& a_EntityPtr );
+	
+private:
+	// Measured in degrees (MAX 360°)
+	double   m_HeadYaw;
+	// Measured in meter/second (m/s)
+	Vector3d m_Speed;
+	// Measured in degrees (MAX 360°)
+	Vector3d m_Rot;
+	
+	/// Position of the entity's XZ center and Y bottom
+	Vector3d m_Pos;
+	
+	// Measured in meter / second
+	Vector3d m_WaterSpeed;
+	
+	// Measured in Kilograms (Kg)
+	double m_Mass;
+	
+	/// Width of the entity, in the XZ plane. Since entities are represented as cylinders, this is more of a diameter.
+	double m_Width;
+	
+	/// Height of the entity (Y axis)
+	double m_Height;
+} ;  // tolua_export
+
+typedef std::list<cEntity *> cEntityList;
+
+
+
+
diff --git a/src/Entities/ExpOrb.cpp b/src/Entities/ExpOrb.cpp
new file mode 100644
index 000000000..1e5ee00ce
--- /dev/null
+++ b/src/Entities/ExpOrb.cpp
@@ -0,0 +1,60 @@
+#include "Globals.h"
+
+#include "ExpOrb.h"
+#include "Player.h"
+#include "../ClientHandle.h"
+
+
+cExpOrb::cExpOrb(double a_X, double a_Y, double a_Z, int a_Reward) :
+	cEntity(etExpOrb, a_X, a_Y, a_Z, 0.98, 0.98),
+	m_Reward(a_Reward)
+{
+}
+
+
+
+
+
+cExpOrb::cExpOrb(const Vector3d & a_Pos, int a_Reward) :
+	cEntity(etExpOrb, a_Pos.x, a_Pos.y, a_Pos.z, 0.98, 0.98),
+	m_Reward(a_Reward)
+{
+}
+
+
+
+
+
+void cExpOrb::SpawnOn(cClientHandle & a_Client)
+{
+	a_Client.SendExperienceOrb(*this);
+	m_bDirtyPosition = false;
+	m_bDirtySpeed = false;
+	m_bDirtyOrientation = false;
+	m_bDirtyHead = false;
+}
+
+
+
+
+
+void cExpOrb::Tick(float a_Dt, cChunk & a_Chunk)
+{
+	cPlayer * a_ClosestPlayer(m_World->FindClosestPlayer(Vector3f(GetPosition()), 4));
+	if (a_ClosestPlayer)
+	{
+		Vector3f a_PlayerPos(a_ClosestPlayer->GetPosition());
+		Vector3f a_Distance(a_PlayerPos - GetPosition());
+		if (a_Distance.Length() < 0.1f)
+		{
+			a_ClosestPlayer->DeltaExperience(m_Reward);
+			a_ClosestPlayer->SendExperience();
+			Destroy(true);
+		}
+		a_Distance.y = 0;
+		a_Distance.Normalize();
+		a_Distance *= 3;
+		SetSpeedX( a_Distance.x );
+		SetSpeedZ( a_Distance.z );
+	}
+}
\ No newline at end of file
diff --git a/src/Entities/ExpOrb.h b/src/Entities/ExpOrb.h
new file mode 100644
index 000000000..a062eedd3
--- /dev/null
+++ b/src/Entities/ExpOrb.h
@@ -0,0 +1,29 @@
+
+#pragma once
+
+#include "Entity.h"
+
+
+
+
+
+class cExpOrb :
+	public cEntity
+{
+	typedef cExpOrb super;
+	
+public:
+	
+	cExpOrb(double a_X, double a_Y, double a_Z, int a_Reward);
+	cExpOrb(const Vector3d & a_Pos, int a_Reward);
+
+	// Override functions
+	virtual void Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void SpawnOn(cClientHandle & a_Client) override;
+
+	// cExpOrb functions
+	int GetReward(void) const { return m_Reward; }
+
+protected:
+	int m_Reward;
+} ;
\ No newline at end of file
diff --git a/source/Entities/FallingBlock.cpp b/src/Entities/FallingBlock.cpp
index 9fcd9ac80..9fcd9ac80 100644
--- a/source/Entities/FallingBlock.cpp
+++ b/src/Entities/FallingBlock.cpp
diff --git a/source/Entities/FallingBlock.h b/src/Entities/FallingBlock.h
index 5ba9909bb..5ba9909bb 100644
--- a/source/Entities/FallingBlock.h
+++ b/src/Entities/FallingBlock.h
diff --git a/source/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index f75e23d8b..f75e23d8b 100644
--- a/source/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
diff --git a/source/Entities/Minecart.h b/src/Entities/Minecart.h
index b1b48be4e..b1b48be4e 100644
--- a/source/Entities/Minecart.h
+++ b/src/Entities/Minecart.h
diff --git a/source/Entities/Pawn.cpp b/src/Entities/Pawn.cpp
index fffefd538..fffefd538 100644
--- a/source/Entities/Pawn.cpp
+++ b/src/Entities/Pawn.cpp
diff --git a/source/Entities/Pawn.h b/src/Entities/Pawn.h
index e76337d86..e76337d86 100644
--- a/source/Entities/Pawn.h
+++ b/src/Entities/Pawn.h
diff --git a/source/Entities/Pickup.cpp b/src/Entities/Pickup.cpp
index f8aae9703..f8aae9703 100644
--- a/source/Entities/Pickup.cpp
+++ b/src/Entities/Pickup.cpp
diff --git a/source/Entities/Pickup.h b/src/Entities/Pickup.h
index d39eda298..d39eda298 100644
--- a/source/Entities/Pickup.h
+++ b/src/Entities/Pickup.h
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
new file mode 100644
index 000000000..910613e98
--- /dev/null
+++ b/src/Entities/Player.cpp
@@ -0,0 +1,1765 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "Player.h"
+#include "../Server.h"
+#include "../ClientHandle.h"
+#include "../UI/Window.h"
+#include "../UI/WindowOwner.h"
+#include "../World.h"
+#include "Pickup.h"
+#include "../PluginManager.h"
+#include "../BlockEntities/BlockEntity.h"
+#include "../GroupManager.h"
+#include "../Group.h"
+#include "../ChatColor.h"
+#include "../Item.h"
+#include "../Tracer.h"
+#include "../Root.h"
+#include "../OSSupport/Timer.h"
+#include "../MersenneTwister.h"
+#include "../Chunk.h"
+#include "../Items/ItemHandler.h"
+
+#include "../Vector3d.h"
+#include "../Vector3f.h"
+
+#include "inifile/iniFile.h"
+#include "json/json.h"
+
+#define float2int(x) ((x)<0 ? ((int)(x))-1 : (int)(x))
+
+
+
+
+
+
+cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName)
+	: super(etPlayer, 0.6, 1.8)
+	, m_GameMode(eGameMode_NotSet)
+	, m_IP("")
+	, m_LastBlockActionTime( 0 )
+	, m_LastBlockActionCnt( 0 )
+	, m_AirLevel( MAX_AIR_LEVEL )
+	, m_AirTickTimer( DROWNING_TICKS )
+	, m_bVisible( true )
+	, m_LastGroundHeight( 0 )
+	, m_bTouchGround( false )
+	, m_Stance( 0.0 )
+	, m_Inventory(*this)
+	, m_CurrentWindow(NULL)
+	, m_InventoryWindow(NULL)
+	, m_TimeLastPickupCheck( 0.f )
+	, m_Color('-')
+	, m_ClientHandle( a_Client )
+	, m_FoodLevel(MAX_FOOD_LEVEL)
+	, m_FoodSaturationLevel(5)
+	, m_FoodTickTimer(0)
+	, m_FoodExhaustionLevel(0)
+	, m_FoodPoisonedTicksRemaining(0)
+	, m_NormalMaxSpeed(0.1)
+	, m_SprintingMaxSpeed(0.13)
+	, m_IsCrouched(false)
+	, m_IsSprinting(false)
+	, m_IsSwimming(false)
+	, m_IsSubmerged(false)
+	, m_EatingFinishTick(-1)
+	, m_IsChargingBow(false)
+	, m_BowCharge(0)
+	, m_CurrentXp(0)
+	, m_LifetimeTotalXp(0)
+	, m_bDirtyExperience(false)
+{
+	LOGD("Created a player object for \"%s\" @ \"%s\" at %p, ID %d", 
+		a_PlayerName.c_str(), a_Client->GetIPString().c_str(),
+		this, GetUniqueID()
+	);
+	
+	m_InventoryWindow = new cInventoryWindow(*this);
+	m_CurrentWindow = m_InventoryWindow;
+	m_InventoryWindow->OpenedByPlayer(*this);
+
+	SetMaxHealth(MAX_HEALTH);
+	m_Health = MAX_HEALTH;
+	
+	cTimer t1;
+	m_LastPlayerListTime = t1.GetNowTime();
+
+	m_TimeLastTeleportPacket = 0;
+	m_TimeLastPickupCheck = 0;
+	
+	m_PlayerName = a_PlayerName;
+	m_bDirtyPosition = true; // So chunks are streamed to player at spawn
+
+	if (!LoadFromDisk())
+	{
+		m_Inventory.Clear();
+		SetPosX(cRoot::Get()->GetDefaultWorld()->GetSpawnX());
+		SetPosY(cRoot::Get()->GetDefaultWorld()->GetSpawnY());
+		SetPosZ(cRoot::Get()->GetDefaultWorld()->GetSpawnZ());
+		
+		LOGD("Player \"%s\" is connecting for the first time, spawning at default world spawn {%.2f, %.2f, %.2f}",
+			a_PlayerName.c_str(), GetPosX(), GetPosY(), GetPosZ()
+		);
+	}
+	m_LastJumpHeight = (float)(GetPosY());
+	m_LastGroundHeight = (float)(GetPosY());
+	m_Stance = GetPosY() + 1.62;
+	
+	cRoot::Get()->GetServer()->PlayerCreated(this);
+}
+
+
+
+
+
+cPlayer::~cPlayer(void)
+{
+	LOGD("Deleting cPlayer \"%s\" at %p, ID %d", m_PlayerName.c_str(), this, GetUniqueID());
+	
+	// Notify the server that the player is being destroyed
+	cRoot::Get()->GetServer()->PlayerDestroying(this);
+
+	SaveToDisk();
+
+	m_World->RemovePlayer( this );
+
+	m_ClientHandle = NULL;
+	
+	delete m_InventoryWindow;
+	
+	LOGD("Player %p deleted", this);
+}
+
+
+
+
+
+bool cPlayer::Initialize(cWorld * a_World)
+{
+	ASSERT(a_World != NULL);
+	
+	if (super::Initialize(a_World))
+	{
+		// Remove the client handle from the server, it will be ticked from this object from now on
+		if (m_ClientHandle != NULL)
+		{
+			cRoot::Get()->GetServer()->ClientMovedToWorld(m_ClientHandle);
+		}
+		
+		GetWorld()->AddPlayer(this);
+		return true;
+	}
+	return false;
+}
+
+
+
+
+
+void cPlayer::Destroyed()
+{
+	CloseWindow(false);
+	
+	m_ClientHandle = NULL;
+}
+
+
+
+
+
+void cPlayer::SpawnOn(cClientHandle & a_Client)
+{
+	if (!m_bVisible || (m_ClientHandle == (&a_Client)))
+	{
+		return;
+	}
+	a_Client.SendPlayerSpawn(*this);
+	a_Client.SendEntityHeadLook(*this);
+	a_Client.SendEntityEquipment(*this, 0, m_Inventory.GetEquippedItem() );
+	a_Client.SendEntityEquipment(*this, 1, m_Inventory.GetEquippedBoots() );
+	a_Client.SendEntityEquipment(*this, 2, m_Inventory.GetEquippedLeggings() );
+	a_Client.SendEntityEquipment(*this, 3, m_Inventory.GetEquippedChestplate() );
+	a_Client.SendEntityEquipment(*this, 4, m_Inventory.GetEquippedHelmet() );
+}
+
+
+
+
+
+void cPlayer::Tick(float a_Dt, cChunk & a_Chunk)
+{
+	if (m_ClientHandle != NULL)
+	{
+		if (m_ClientHandle->IsDestroyed())
+		{
+			// This should not happen, because destroying a client will remove it from the world, but just in case
+			m_ClientHandle = NULL;
+			return;
+		}
+		
+		if (!m_ClientHandle->IsPlaying())
+		{
+			// We're not yet in the game, ignore everything
+			return;
+		}
+	}
+	
+	if (!a_Chunk.IsValid())
+	{
+		// This may happen if the cPlayer is created before the chunks have the chance of being loaded / generated (#83)
+		return;
+	}
+	
+	super::Tick(a_Dt, a_Chunk);
+	
+	// Set player swimming state
+	SetSwimState(a_Chunk);
+
+	// Handle air drowning stuff
+	HandleAir();
+	
+	// Handle charging the bow:
+	if (m_IsChargingBow)
+	{
+		m_BowCharge += 1;
+	}
+	
+	//handle updating experience
+	if (m_bDirtyExperience)
+	{
+		SendExperience();
+	}
+
+	if (m_bDirtyPosition)
+	{
+		// Apply food exhaustion from movement:
+		ApplyFoodExhaustionFromMovement();
+		
+		cRoot::Get()->GetPluginManager()->CallHookPlayerMoving(*this);
+		BroadcastMovementUpdate(m_ClientHandle);
+		m_ClientHandle->StreamChunks();
+	}
+	else
+	{
+		BroadcastMovementUpdate(m_ClientHandle);
+	}
+
+	if (m_Health > 0)  // make sure player is alive
+	{
+		m_World->CollectPickupsByPlayer(this);
+
+		if ((m_EatingFinishTick >= 0) && (m_EatingFinishTick <= m_World->GetWorldAge()))
+		{
+			FinishEating();
+		}
+		
+		HandleFood();
+	}
+	
+	// Send Player List (Once per m_LastPlayerListTime/1000 ms)
+	cTimer t1;
+	if (m_LastPlayerListTime + cPlayer::PLAYER_LIST_TIME_MS <= t1.GetNowTime())
+	{
+		m_World->SendPlayerList(this);
+		m_LastPlayerListTime = t1.GetNowTime();
+	}
+}
+
+
+
+
+
+short cPlayer::CalcLevelFromXp(short a_XpTotal)
+{
+	//level 0 to 15
+	if(a_XpTotal <= XP_TO_LEVEL15)
+	{
+		return a_XpTotal / XP_PER_LEVEL_TO15;
+	}
+
+	//level 30+
+	if(a_XpTotal > XP_TO_LEVEL30)
+	{
+		return (short) (151.5 + sqrt( 22952.25 - (14 * (2220 - a_XpTotal)))) / 7;
+	}
+
+	//level 16 to 30
+	return (short) ( 29.5 + sqrt( 870.25 - (6 * ( 360 - a_XpTotal )))) / 3;
+}
+
+
+
+
+
+short cPlayer::XpForLevel(short a_Level)
+{
+	//level 0 to 15
+	if(a_Level <= 15)
+	{
+		return a_Level * XP_PER_LEVEL_TO15;
+	}
+
+	//level 30+
+	if(a_Level >= 31)
+	{
+		return (short) ( (3.5 * a_Level * a_Level) - (151.5 * a_Level) + 2220 );
+	}
+
+	//level 16 to 30
+	return (short) ( (1.5 * a_Level * a_Level) - (29.5 * a_Level) + 360 );
+}
+
+
+
+
+
+short cPlayer::GetXpLevel()
+{
+	return CalcLevelFromXp(m_CurrentXp);
+}
+
+
+
+
+
+float cPlayer::GetXpPercentage()
+{
+	short int currentLevel = CalcLevelFromXp(m_CurrentXp);
+	short int currentLevel_XpBase = XpForLevel(currentLevel);
+
+	return (float)(m_CurrentXp - currentLevel_XpBase) / 
+		(float)(XpForLevel(1+currentLevel) - currentLevel_XpBase);
+}
+
+
+
+
+
+bool cPlayer::SetCurrentExperience(short int a_CurrentXp)
+{
+	if(!(a_CurrentXp >= 0) || (a_CurrentXp > (SHRT_MAX - m_LifetimeTotalXp)))
+	{
+		LOGWARNING("Tried to update experiece with an invalid Xp value: %d", a_CurrentXp);
+		return false; //oops, they gave us a dodgey number
+	}
+
+	m_CurrentXp = a_CurrentXp;
+
+	// Set experience to be updated
+	m_bDirtyExperience = true;
+
+	return true;
+}
+
+
+
+
+
+short cPlayer::DeltaExperience(short a_Xp_delta)
+{
+	if (a_Xp_delta > (SHRT_MAX - m_CurrentXp))
+	{
+		// Value was bad, abort and report
+		LOGWARNING("Attempt was made to increment Xp by %d, which overflowed the short datatype. Ignoring.",
+			a_Xp_delta);
+		return -1; // Should we instead just return the current Xp?
+	}
+
+	m_CurrentXp += a_Xp_delta;
+
+	// Make sure they didn't subtract too much
+	if (m_CurrentXp < 0)
+	{
+		m_CurrentXp = 0;
+	}
+
+	// Update total for score calculation
+	if (a_Xp_delta > 0)
+	{
+		m_LifetimeTotalXp += a_Xp_delta;
+	}
+
+	LOGD("Player \"%s\" gained/lost %d experience, total is now: %d", 
+		m_PlayerName.c_str(), a_Xp_delta, m_CurrentXp);
+
+	// Set experience to be updated
+	m_bDirtyExperience = true;
+
+	return m_CurrentXp;
+}
+
+
+
+
+
+void cPlayer::StartChargingBow(void)
+{
+	LOGD("Player \"%s\" started charging their bow", m_PlayerName.c_str());
+	m_IsChargingBow = true;
+	m_BowCharge = 0;
+}
+
+
+
+
+
+int cPlayer::FinishChargingBow(void)
+{
+	LOGD("Player \"%s\" finished charging their bow at a charge of %d", m_PlayerName.c_str(), m_BowCharge);
+	int res = m_BowCharge;
+	m_IsChargingBow = false;
+	m_BowCharge = 0;
+	return res;
+}
+
+
+
+
+
+void cPlayer::CancelChargingBow(void)
+{
+	LOGD("Player \"%s\" cancelled charging their bow at a charge of %d", m_PlayerName.c_str(), m_BowCharge);
+	m_IsChargingBow = false;
+	m_BowCharge = 0;
+}
+
+
+
+
+
+void cPlayer::SetTouchGround(bool a_bTouchGround)
+{
+	m_bTouchGround = a_bTouchGround;
+
+	if (!m_bTouchGround)
+	{
+		if (GetPosY() > m_LastJumpHeight)
+		{
+			m_LastJumpHeight = (float)GetPosY();
+		}
+		cWorld * World = GetWorld();
+		if ((GetPosY() >= 0) && (GetPosY() < cChunkDef::Height))
+		{
+			BLOCKTYPE BlockType = World->GetBlock(float2int(GetPosX()), float2int(GetPosY()), float2int(GetPosZ()));
+			if (BlockType != E_BLOCK_AIR)
+			{
+				m_bTouchGround = true;
+			}
+			if (
+				(BlockType == E_BLOCK_WATER) ||
+				(BlockType == E_BLOCK_STATIONARY_WATER) ||
+				(BlockType == E_BLOCK_LADDER) ||
+				(BlockType == E_BLOCK_VINES)
+			)
+			{
+				m_LastGroundHeight = (float)GetPosY();
+			}
+		}
+	}
+	else
+	{
+		float Dist = (float)(m_LastGroundHeight - floor(GetPosY()));
+		int Damage = (int)(Dist - 3.f);
+		if (m_LastJumpHeight > m_LastGroundHeight) Damage++;
+		m_LastJumpHeight = (float)GetPosY();
+
+		if ((Damage > 0) && (!IsGameModeCreative()))
+		{
+			TakeDamage(dtFalling, NULL, Damage, Damage, 0);
+		}
+
+		m_LastGroundHeight = (float)GetPosY();
+	}
+}
+
+
+
+
+
+void cPlayer::Heal(int a_Health)
+{
+	super::Heal(a_Health);
+	SendHealth();
+}
+
+
+
+
+
+void cPlayer::SetFoodLevel(int a_FoodLevel)
+{
+	m_FoodLevel = std::max(0, std::min(a_FoodLevel, (int)MAX_FOOD_LEVEL));
+	SendHealth();
+}
+
+
+
+
+
+void cPlayer::SetFoodSaturationLevel(double a_FoodSaturationLevel)
+{
+	m_FoodSaturationLevel = std::max(0.0, std::min(a_FoodSaturationLevel, (double)m_FoodLevel));
+}
+
+
+
+
+
+void cPlayer::SetFoodTickTimer(int a_FoodTickTimer)
+{
+	m_FoodTickTimer = a_FoodTickTimer;
+}
+
+
+
+
+
+void cPlayer::SetFoodExhaustionLevel(double a_FoodExhaustionLevel)
+{
+	m_FoodExhaustionLevel = std::max(0.0, std::min(a_FoodExhaustionLevel, 4.0));
+}
+
+
+
+
+
+void cPlayer::SetFoodPoisonedTicksRemaining(int a_FoodPoisonedTicksRemaining)
+{
+	m_FoodPoisonedTicksRemaining = a_FoodPoisonedTicksRemaining;
+}
+
+
+
+
+
+bool cPlayer::Feed(int a_Food, double a_Saturation)
+{
+	if (m_FoodLevel >= MAX_FOOD_LEVEL)
+	{
+		return false;
+	}
+	
+	m_FoodLevel = std::min(a_Food + m_FoodLevel, (int)MAX_FOOD_LEVEL);
+	m_FoodSaturationLevel = std::min(m_FoodSaturationLevel + a_Saturation, (double)m_FoodLevel);
+	
+	SendHealth();
+	return true;
+}
+
+
+
+
+
+void cPlayer::FoodPoison(int a_NumTicks)
+{
+	bool HasBeenFoodPoisoned = (m_FoodPoisonedTicksRemaining > 0);
+	m_FoodPoisonedTicksRemaining = std::max(m_FoodPoisonedTicksRemaining, a_NumTicks);
+	if (!HasBeenFoodPoisoned)
+	{
+		// TODO: Send the poisoning indication to the client - how?
+		SendHealth();
+	}
+}
+
+
+
+
+
+void cPlayer::StartEating(void)
+{
+	// Set the timer:
+	m_EatingFinishTick = m_World->GetWorldAge() + EATING_TICKS;
+	
+	// Send the packets:
+	m_World->BroadcastPlayerAnimation(*this, 5);
+	m_World->BroadcastEntityMetadata(*this);
+}
+
+
+
+
+
+void cPlayer::FinishEating(void)
+{
+	// Reset the timer:
+	m_EatingFinishTick = -1;
+	
+	// Send the packets:
+	m_ClientHandle->SendEntityStatus(*this, ENTITY_STATUS_EATING_ACCEPTED);
+	m_World->BroadcastPlayerAnimation(*this, 0);
+	m_World->BroadcastEntityMetadata(*this);
+
+	// consume the item:
+	cItem Item(GetEquippedItem());
+	Item.m_ItemCount = 1;
+	cItemHandler * ItemHandler = cItemHandler::GetItemHandler(Item.m_ItemType);
+	if (!ItemHandler->EatItem(this, &Item))
+	{
+		return;
+	}
+	ItemHandler->OnFoodEaten(m_World, this, &Item);
+
+	GetInventory().RemoveOneEquippedItem();
+
+	//if the food is mushroom soup, return a bowl to the inventory
+	if( Item.m_ItemType == E_ITEM_MUSHROOM_SOUP ) {
+		cItem emptyBowl(E_ITEM_BOWL, 1, 0, "");
+		GetInventory().AddItem(emptyBowl, true, true);
+	}
+}
+
+
+
+
+
+void cPlayer::AbortEating(void)
+{
+	m_EatingFinishTick = -1;
+	m_World->BroadcastPlayerAnimation(*this, 0);
+	m_World->BroadcastEntityMetadata(*this);
+}
+
+
+
+
+
+void cPlayer::SendHealth(void)
+{
+	if (m_ClientHandle != NULL)
+	{
+		m_ClientHandle->SendHealth();
+	}
+}
+
+
+
+
+
+void cPlayer::SendExperience(void)
+{
+	if (m_ClientHandle != NULL)
+	{
+		m_ClientHandle->SendExperience();
+		m_bDirtyExperience = false;
+	}
+}
+
+
+
+
+
+void cPlayer::ClearInventoryPaintSlots(void)
+{
+	// Clear the list of slots that are being inventory-painted. Used by cWindow only
+	m_InventoryPaintSlots.clear();
+}
+
+
+
+
+
+void cPlayer::AddInventoryPaintSlot(int a_SlotNum)
+{
+	// Add a slot to the list for inventory painting. Used by cWindow only
+	m_InventoryPaintSlots.push_back(a_SlotNum);
+}
+
+
+
+
+
+const cSlotNums & cPlayer::GetInventoryPaintSlots(void) const
+{
+	// Return the list of slots currently stored for inventory painting. Used by cWindow only
+	return m_InventoryPaintSlots;
+}
+
+
+
+
+
+double cPlayer::GetMaxSpeed(void) const
+{
+	return m_IsSprinting ? m_SprintingMaxSpeed : m_NormalMaxSpeed;
+}
+
+
+
+
+
+void cPlayer::SetNormalMaxSpeed(double a_Speed)
+{
+	m_NormalMaxSpeed = a_Speed;
+	if (!m_IsSprinting)
+	{
+		m_ClientHandle->SendPlayerMaxSpeed();
+	}
+}
+
+
+
+
+
+void cPlayer::SetSprintingMaxSpeed(double a_Speed)
+{
+	m_SprintingMaxSpeed = a_Speed;
+	if (m_IsSprinting)
+	{
+		m_ClientHandle->SendPlayerMaxSpeed();
+	}
+}
+
+
+
+
+
+void cPlayer::SetCrouch(bool a_IsCrouched)
+{
+	// Set the crouch status, broadcast to all visible players
+	
+	if (a_IsCrouched == m_IsCrouched)
+	{
+		// No change
+		return;
+	}
+	m_IsCrouched = a_IsCrouched;
+	m_World->BroadcastEntityMetadata(*this);
+}
+
+
+
+
+
+void cPlayer::SetSprint(bool a_IsSprinting)
+{
+	if (a_IsSprinting == m_IsSprinting)
+	{
+		// No change
+		return;
+	}
+	
+	m_IsSprinting = a_IsSprinting;
+	m_ClientHandle->SendPlayerMaxSpeed();
+}
+
+
+
+
+
+void cPlayer::DoTakeDamage(TakeDamageInfo & a_TDI)
+{
+	if (a_TDI.DamageType != dtInVoid)
+	{
+		if (IsGameModeCreative())
+		{
+			// No damage / health in creative mode
+			return;
+		}
+	}
+	
+	super::DoTakeDamage(a_TDI);
+	
+	// Any kind of damage adds food exhaustion
+	AddFoodExhaustion(0.3f);
+	
+	SendHealth();
+}
+
+
+
+
+
+void cPlayer::KilledBy(cEntity * a_Killer)
+{
+	super::KilledBy(a_Killer);
+
+	if (m_Health > 0)
+	{
+		return; //  not dead yet =]
+	}
+
+	m_bVisible = false; // So new clients don't see the player
+
+	// Puke out all the items
+	cItems Pickups;
+	m_Inventory.CopyToItems(Pickups);
+	m_Inventory.Clear();
+	m_World->SpawnItemPickups(Pickups, GetPosX(), GetPosY(), GetPosZ(), 10);
+	SaveToDisk();  // Save it, yeah the world is a tough place !
+}
+
+
+
+
+
+void cPlayer::Respawn(void)
+{
+	m_Health = GetMaxHealth();
+	
+	// Reset food level:
+	m_FoodLevel = MAX_FOOD_LEVEL;
+	m_FoodSaturationLevel = 5;
+
+	// Reset Experience
+	m_CurrentXp = 0;
+	m_LifetimeTotalXp = 0;
+	// ToDo: send score to client? How?
+
+	m_ClientHandle->SendRespawn();
+	
+	// Extinguish the fire:
+	StopBurning();
+
+	TeleportToCoords(GetWorld()->GetSpawnX(), GetWorld()->GetSpawnY(), GetWorld()->GetSpawnZ());
+
+	SetVisible(true);
+}
+
+
+
+
+
+double cPlayer::GetEyeHeight(void) const
+{
+	return m_Stance;
+}
+
+
+
+
+Vector3d cPlayer::GetEyePosition(void) const
+{
+	return Vector3d( GetPosX(), m_Stance, GetPosZ() );
+}
+
+
+
+
+
+bool cPlayer::IsGameModeCreative(void) const
+{
+	return (m_GameMode == gmCreative) ||  // Either the player is explicitly in Creative
+		((m_GameMode == gmNotSet) &&  m_World->IsGameModeCreative());  // or they inherit from the world and the world is Creative
+}
+
+
+
+
+
+bool cPlayer::IsGameModeSurvival(void) const
+{
+	return (m_GameMode == gmSurvival) ||  // Either the player is explicitly in Survival
+		((m_GameMode == gmNotSet) &&  m_World->IsGameModeSurvival());  // or they inherit from the world and the world is Survival
+}
+
+
+
+
+
+bool cPlayer::IsGameModeAdventure(void) const
+{
+	return (m_GameMode == gmCreative) ||  // Either the player is explicitly in Adventure
+		((m_GameMode == gmNotSet) &&  m_World->IsGameModeCreative());  // or they inherit from the world and the world is Adventure
+}
+
+
+
+
+
+void cPlayer::OpenWindow(cWindow * a_Window)
+{
+	if (a_Window != m_CurrentWindow)
+	{
+		CloseWindow(false);
+	}
+	a_Window->OpenedByPlayer(*this);
+	m_CurrentWindow = a_Window;
+	a_Window->SendWholeWindow(*GetClientHandle());
+}
+
+
+
+
+
+void cPlayer::CloseWindow(bool a_CanRefuse)
+{
+	if (m_CurrentWindow == NULL)
+	{
+		m_CurrentWindow = m_InventoryWindow;
+		return;
+	}
+	
+	if (m_CurrentWindow->ClosedByPlayer(*this, a_CanRefuse) || !a_CanRefuse)
+	{
+		// Close accepted, go back to inventory window (the default):
+		m_CurrentWindow = m_InventoryWindow;
+	}
+	else
+	{
+		// Re-open the window
+		m_CurrentWindow->OpenedByPlayer(*this);
+		m_CurrentWindow->SendWholeWindow(*GetClientHandle());
+	}
+}
+
+
+
+
+
+void cPlayer::CloseWindowIfID(char a_WindowID, bool a_CanRefuse)
+{
+	if ((m_CurrentWindow == NULL) || (m_CurrentWindow->GetWindowID() != a_WindowID))
+	{
+		return;
+	}
+	CloseWindow();
+}
+
+
+
+
+
+void cPlayer::SetLastBlockActionTime()
+{
+	if (m_World != NULL)
+	{
+		m_LastBlockActionTime = m_World->GetWorldAge() / 20.0f;
+	}
+}
+
+
+
+
+
+void cPlayer::SetLastBlockActionCnt( int a_LastBlockActionCnt )
+{
+	m_LastBlockActionCnt = a_LastBlockActionCnt;
+}
+
+
+
+
+
+void cPlayer::SetGameMode(eGameMode a_GameMode)
+{
+	if ((a_GameMode < gmMin) || (a_GameMode >= gmMax))
+	{
+		LOGWARNING("%s: Setting invalid gamemode: %d", GetName().c_str(), a_GameMode);
+		return;
+	}
+	
+	if (m_GameMode == a_GameMode)
+	{
+		// Gamemode already set
+		return;
+	}
+	
+	m_GameMode = a_GameMode;
+	m_ClientHandle->SendGameMode(a_GameMode);
+}
+
+
+
+
+
+void cPlayer::LoginSetGameMode( eGameMode a_GameMode )
+{
+	m_GameMode = a_GameMode;
+}
+
+
+
+
+
+void cPlayer::SetIP(const AString & a_IP)
+{
+	m_IP = a_IP;
+}
+
+
+
+
+
+void cPlayer::SendMessage(const AString & a_Message)
+{
+	m_ClientHandle->SendChat(a_Message);
+}
+
+
+
+
+
+void cPlayer::TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ)
+{
+	SetPosition( a_PosX, a_PosY, a_PosZ );
+	m_LastGroundHeight = (float)a_PosY;
+
+	m_World->BroadcastTeleportEntity(*this, GetClientHandle());
+	m_ClientHandle->SendPlayerMoveLook();
+}
+
+
+
+
+
+Vector3d cPlayer::GetThrowStartPos(void) const
+{
+	Vector3d res = GetEyePosition();
+	
+	// Adjust the position to be just outside the player's bounding box:
+	res.x += 0.16 * cos(GetPitch());
+	res.y += -0.1;
+	res.z += 0.16 * sin(GetPitch());
+	
+	return res;
+}
+
+
+
+
+
+Vector3d cPlayer::GetThrowSpeed(double a_SpeedCoeff) const
+{
+	Vector3d res = GetLookVector();
+	res.Normalize();
+	
+	// TODO: Add a slight random change (+-0.0075 in each direction)
+	
+	return res * a_SpeedCoeff;
+}	
+
+
+
+
+
+void cPlayer::MoveTo( const Vector3d & a_NewPos )
+{
+	if ((a_NewPos.y < -990) && (GetPosY() > -100))
+	{
+		// When attached to an entity, the client sends position packets with weird coords:
+		// Y = -999 and X, Z = attempting to create speed, usually up to 0.03
+		// We cannot test m_AttachedTo, because when deattaching, the server thinks the client is already deattached while 
+		// the client may still send more of these nonsensical packets.
+		if (m_AttachedTo != NULL)
+		{
+			Vector3d AddSpeed(a_NewPos);
+			AddSpeed.y = 0;
+			m_AttachedTo->AddSpeed(AddSpeed);
+		}
+		return;
+	}
+	
+	// TODO: should do some checks to see if player is not moving through terrain
+	// TODO: Official server refuses position packets too far away from each other, kicking "hacked" clients; we should, too
+	
+	SetPosition( a_NewPos );
+	SetStance(a_NewPos.y + 1.62);
+}
+
+
+
+
+
+void cPlayer::SetVisible(bool a_bVisible)
+{
+	if (a_bVisible && !m_bVisible) // Make visible
+	{
+		m_bVisible = true;
+		m_World->BroadcastSpawnEntity(*this);
+	}
+	if (!a_bVisible && m_bVisible)
+	{
+		m_bVisible = false;
+		m_World->BroadcastDestroyEntity(*this, m_ClientHandle);	// Destroy on all clients
+	}
+}
+
+
+
+
+
+void cPlayer::AddToGroup( const AString & a_GroupName )
+{
+	cGroup* Group = cRoot::Get()->GetGroupManager()->GetGroup( a_GroupName );
+	m_Groups.push_back( Group );
+	LOGD("Added %s to group %s", m_PlayerName.c_str(), a_GroupName.c_str() );
+	ResolveGroups();
+	ResolvePermissions();
+}
+
+
+
+
+
+void cPlayer::RemoveFromGroup( const AString & a_GroupName )
+{
+	bool bRemoved = false;
+	for( GroupList::iterator itr = m_Groups.begin(); itr != m_Groups.end(); ++itr )
+	{
+		if( (*itr)->GetName().compare(a_GroupName ) == 0 )
+		{
+			m_Groups.erase( itr );
+			bRemoved = true;
+			break;
+		}
+	}
+
+	if( bRemoved )
+	{
+		LOGD("Removed %s from group %s", m_PlayerName.c_str(), a_GroupName.c_str() );
+		ResolveGroups();
+		ResolvePermissions();
+	}
+	else
+	{
+		LOGWARN("Tried to remove %s from group %s but was not in that group", m_PlayerName.c_str(), a_GroupName.c_str() );
+	}
+}
+
+
+
+
+
+bool cPlayer::CanUseCommand( const AString & a_Command )
+{
+	for( GroupList::iterator itr = m_Groups.begin(); itr != m_Groups.end(); ++itr )
+	{
+		if( (*itr)->HasCommand( a_Command ) ) return true;
+	}
+	return false;
+}
+
+
+
+
+
+bool cPlayer::HasPermission(const AString & a_Permission)
+{
+	if (a_Permission.empty())
+	{
+		// Empty permission request is always granted
+		return true;
+	}
+	
+	AStringVector Split = StringSplit( a_Permission, "." );
+	PermissionMap Possibilities = m_ResolvedPermissions;
+	// Now search the namespaces
+	while( Possibilities.begin() != Possibilities.end() )
+	{
+		PermissionMap::iterator itr = Possibilities.begin();
+		if( itr->second )
+		{
+			AStringVector OtherSplit = StringSplit( itr->first, "." );
+			if( OtherSplit.size() <= Split.size() )
+			{
+				unsigned int i;
+				for( i = 0; i < OtherSplit.size(); ++i )
+				{
+					if( OtherSplit[i].compare( Split[i] ) != 0 )
+					{
+						if( OtherSplit[i].compare("*") == 0 ) return true; // WildCard man!! WildCard!
+						break;
+					}
+				}
+				if( i == Split.size() ) return true;
+			}
+		}
+		Possibilities.erase( itr );
+	}
+
+	// Nothing that matched :(
+	return false;
+}
+
+
+
+
+
+bool cPlayer::IsInGroup( const AString & a_Group )
+{
+	for( GroupList::iterator itr = m_ResolvedGroups.begin(); itr != m_ResolvedGroups.end(); ++itr )
+	{
+		if( a_Group.compare( (*itr)->GetName().c_str() ) == 0 )
+			return true;
+	}
+	return false;
+}
+
+
+
+
+
+void cPlayer::ResolvePermissions()
+{
+	m_ResolvedPermissions.clear();	// Start with an empty map yo~
+
+	// Copy all player specific permissions into the resolved permissions map
+	for( PermissionMap::iterator itr = m_Permissions.begin(); itr != m_Permissions.end(); ++itr )
+	{
+		m_ResolvedPermissions[ itr->first ] = itr->second;
+	}
+
+	for( GroupList::iterator GroupItr = m_ResolvedGroups.begin(); GroupItr != m_ResolvedGroups.end(); ++GroupItr )
+	{
+		const cGroup::PermissionMap & Permissions = (*GroupItr)->GetPermissions();
+		for( cGroup::PermissionMap::const_iterator itr = Permissions.begin(); itr != Permissions.end(); ++itr )
+		{
+			m_ResolvedPermissions[ itr->first ] = itr->second;
+		}
+	}
+}
+
+
+
+
+
+void cPlayer::ResolveGroups()
+{
+	// Clear resolved groups first
+	m_ResolvedGroups.clear();
+
+	// Get a complete resolved list of all groups the player is in
+	std::map< cGroup*, bool > AllGroups;	// Use a map, because it's faster than iterating through a list to find duplicates
+	GroupList ToIterate;
+	for( GroupList::iterator GroupItr = m_Groups.begin(); GroupItr != m_Groups.end(); ++GroupItr )
+	{
+		ToIterate.push_back( *GroupItr );
+	}
+	while( ToIterate.begin() != ToIterate.end() )
+	{
+		cGroup* CurrentGroup = *ToIterate.begin();
+		if( AllGroups.find( CurrentGroup ) != AllGroups.end() )
+		{
+			LOGWARNING("ERROR: Player \"%s\" is in the group multiple times (\"%s\"). Please fix your settings in users.ini!",
+				m_PlayerName.c_str(), CurrentGroup->GetName().c_str()
+			);
+		}
+		else
+		{
+			AllGroups[ CurrentGroup ] = true;
+			m_ResolvedGroups.push_back( CurrentGroup );	// Add group to resolved list
+			const cGroup::GroupList & Inherits = CurrentGroup->GetInherits();
+			for( cGroup::GroupList::const_iterator itr = Inherits.begin(); itr != Inherits.end(); ++itr )
+			{
+				if( AllGroups.find( *itr ) != AllGroups.end() )
+				{
+					LOGERROR("ERROR: Player %s is in the same group multiple times due to inheritance (%s). FIX IT!", m_PlayerName.c_str(), (*itr)->GetName().c_str() );
+					continue;
+				}
+				ToIterate.push_back( *itr );
+			}
+		}
+		ToIterate.erase( ToIterate.begin() );
+	}
+}
+
+
+
+
+
+AString cPlayer::GetColor(void) const
+{
+	if ( m_Color != '-' )
+	{
+		return cChatColor::MakeColor( m_Color );
+	}
+
+	if ( m_Groups.size() < 1 )
+	{
+		return cChatColor::White;
+	}
+
+	return (*m_Groups.begin())->GetColor();
+}
+
+
+
+
+
+void cPlayer::TossItem(
+	bool a_bDraggingItem,
+	char a_Amount /* = 1 */,
+	short a_CreateType /* = 0 */,
+	short a_CreateHealth /* = 0 */ 
+)
+{
+	cItems Drops;
+	if (a_CreateType != 0)
+	{
+		// Just create item without touching the inventory (used in creative mode)
+		Drops.push_back(cItem(a_CreateType, a_Amount, a_CreateHealth));
+	}
+	else
+	{
+		// Drop an item from the inventory:
+		if (a_bDraggingItem)
+		{
+			cItem & Item = GetDraggingItem();
+			if (!Item.IsEmpty())
+			{
+				char OriginalItemAmount = Item.m_ItemCount;
+				Item.m_ItemCount = std::min(OriginalItemAmount, a_Amount);
+				Drops.push_back(Item);
+				if (OriginalItemAmount > a_Amount)
+				{
+					Item.m_ItemCount = OriginalItemAmount - (char)a_Amount;
+				}
+				else
+				{
+					Item.Empty();
+				}
+			}
+		}
+		else
+		{
+			// Else drop equipped item
+			cItem DroppedItem(GetInventory().GetEquippedItem());
+			if (!DroppedItem.IsEmpty())
+			{
+				if (GetInventory().RemoveOneEquippedItem())
+				{
+					DroppedItem.m_ItemCount = 1; // RemoveItem decreases the count, so set it to 1 again
+					Drops.push_back(DroppedItem);
+				}
+			}
+		}
+	}
+	double vX = 0, vY = 0, vZ = 0;
+	EulerToVector(-GetRotation(), GetPitch(), vZ, vX, vY);
+	vY = -vY * 2 + 1.f;
+	m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY() + 1.6f, GetPosZ(), vX * 3, vY * 3, vZ * 3, true); // 'true' because created by player
+}
+
+
+
+
+
+bool cPlayer::MoveToWorld(const char * a_WorldName)
+{
+	cWorld * World = cRoot::Get()->GetWorld(a_WorldName);
+	if (World == NULL)
+	{
+		LOG("%s: Couldn't find world \"%s\".", __FUNCTION__, a_WorldName);
+		return false;
+	}
+	
+	eDimension OldDimension = m_World->GetDimension();
+	
+	// Remove all links to the old world
+	m_World->RemovePlayer(this);
+	m_ClientHandle->RemoveFromAllChunks();
+	m_World->RemoveEntity(this);
+
+	// If the dimension is different, we can send the respawn packet
+	// http://wiki.vg/Protocol#0x09 says "don't send if dimension is the same" as of 2013_07_02
+	m_ClientHandle->MoveToWorld(*World, (OldDimension != World->GetDimension()));
+
+	// Add player to all the necessary parts of the new world
+	SetWorld(World);
+	World->AddEntity(this);
+	World->AddPlayer(this);
+
+	return true;
+}
+
+
+
+
+
+void cPlayer::LoadPermissionsFromDisk()
+{
+	m_Groups.clear();
+	m_Permissions.clear();
+
+	cIniFile IniFile;
+	if (IniFile.ReadFile("users.ini"))
+	{
+		std::string Groups = IniFile.GetValue(m_PlayerName, "Groups", "");
+		if (!Groups.empty())
+		{
+			AStringVector Split = StringSplit( Groups, "," );
+			for( unsigned int i = 0; i < Split.size(); i++ )
+			{
+				AddToGroup( Split[i].c_str() );
+			}
+		}
+		else
+		{
+			AddToGroup("Default");
+		}
+
+		m_Color = IniFile.GetValue(m_PlayerName, "Color", "-")[0];
+	}
+	else
+	{
+		LOGWARN("Failed to read the users.ini file. The player will be added only to the Default group.");
+		AddToGroup("Default");
+	}
+	ResolvePermissions();
+}
+
+
+
+
+bool cPlayer::LoadFromDisk()
+{
+	LoadPermissionsFromDisk();
+
+	// Log player permissions, cause it's what the cool kids do
+	LOGINFO("Player %s has permissions:", m_PlayerName.c_str() );
+	for( PermissionMap::iterator itr = m_ResolvedPermissions.begin(); itr != m_ResolvedPermissions.end(); ++itr )
+	{
+		if( itr->second ) LOGINFO("%s", itr->first.c_str() );
+	}
+
+	AString SourceFile;
+	Printf(SourceFile, "players/%s.json", m_PlayerName.c_str() );
+
+	cFile f;
+	if (!f.Open(SourceFile, cFile::fmRead))
+	{
+		// This is a new player whom we haven't seen yet, bail out, let them have the defaults
+		return false;
+	}
+
+	AString buffer;
+	if (f.ReadRestOfFile(buffer) != f.GetSize())
+	{
+		LOGWARNING("Cannot read player data from file \"%s\"", SourceFile.c_str()); 
+		return false;
+	}
+	f.Close(); //cool kids play nice
+
+	Json::Value root;
+	Json::Reader reader;
+	if (!reader.parse(buffer, root, false))
+	{
+		LOGWARNING("Cannot parse player data in file \"%s\", player will be reset", SourceFile.c_str());
+	}
+
+	Json::Value & JSON_PlayerPosition = root["position"];
+	if (JSON_PlayerPosition.size() == 3)
+	{
+		SetPosX(JSON_PlayerPosition[(unsigned int)0].asDouble());
+		SetPosY(JSON_PlayerPosition[(unsigned int)1].asDouble());
+		SetPosZ(JSON_PlayerPosition[(unsigned int)2].asDouble());
+		m_LastPosX = GetPosX();
+		m_LastPosY = GetPosY();
+		m_LastPosZ = GetPosZ();
+		m_LastFoodPos = GetPosition();
+	}
+
+	Json::Value & JSON_PlayerRotation = root["rotation"];
+	if (JSON_PlayerRotation.size() == 3)
+	{
+		SetRotation ((float)JSON_PlayerRotation[(unsigned int)0].asDouble());
+		SetPitch    ((float)JSON_PlayerRotation[(unsigned int)1].asDouble());
+		SetRoll     ((float)JSON_PlayerRotation[(unsigned int)2].asDouble());
+	}
+
+	m_Health              = root.get("health", 0).asInt();
+	m_AirLevel            = root.get("air",            MAX_AIR_LEVEL).asInt();
+	m_FoodLevel           = root.get("food",           MAX_FOOD_LEVEL).asInt();
+	m_FoodSaturationLevel = root.get("foodSaturation", MAX_FOOD_LEVEL).asDouble();
+	m_FoodTickTimer       = root.get("foodTickTimer",  0).asInt();
+	m_FoodExhaustionLevel = root.get("foodExhaustion", 0).asDouble();
+	m_LifetimeTotalXp     = (short) root.get("xpTotal", 0).asInt();
+	m_CurrentXp           = (short) root.get("xpCurrent", 0).asInt();
+
+	//SetExperience(root.get("experience", 0).asInt());
+
+	m_GameMode = (eGameMode) root.get("gamemode", eGameMode_NotSet).asInt();
+	
+	m_Inventory.LoadFromJson(root["inventory"]);
+
+	m_LoadedWorldName = root.get("world", "world").asString();
+	
+	LOGD("Player \"%s\" was read from file, spawning at {%.2f, %.2f, %.2f} in world \"%s\"",
+		m_PlayerName.c_str(), GetPosX(), GetPosY(), GetPosZ(), m_LoadedWorldName.c_str()
+	);
+	
+	return true;
+}
+
+
+
+
+
+bool cPlayer::SaveToDisk()
+{
+	cFile::CreateFolder(FILE_IO_PREFIX + AString("players"));
+
+	// create the JSON data
+	Json::Value JSON_PlayerPosition;
+	JSON_PlayerPosition.append(Json::Value(GetPosX()));
+	JSON_PlayerPosition.append(Json::Value(GetPosY()));
+	JSON_PlayerPosition.append(Json::Value(GetPosZ()));
+
+	Json::Value JSON_PlayerRotation;
+	JSON_PlayerRotation.append(Json::Value(GetRotation()));
+	JSON_PlayerRotation.append(Json::Value(GetPitch()));
+	JSON_PlayerRotation.append(Json::Value(GetRoll()));
+
+	Json::Value JSON_Inventory;
+	m_Inventory.SaveToJson(JSON_Inventory);
+
+	Json::Value root;
+	root["position"]       = JSON_PlayerPosition;
+	root["rotation"]       = JSON_PlayerRotation;
+	root["inventory"]      = JSON_Inventory;
+	root["health"]         = m_Health;
+	root["xpTotal"]        = m_LifetimeTotalXp;
+	root["xpCurrent"]      = m_CurrentXp;
+	root["air"]            = m_AirLevel;
+	root["food"]           = m_FoodLevel;
+	root["foodSaturation"] = m_FoodSaturationLevel;
+	root["foodTickTimer"]  = m_FoodTickTimer;
+	root["foodExhaustion"] = m_FoodExhaustionLevel;
+	root["world"] = GetWorld()->GetName();
+
+	if (m_GameMode == GetWorld()->GetGameMode())
+	{
+		root["gamemode"] = (int) eGameMode_NotSet;
+	}
+	else
+	{
+		root["gamemode"] = (int) m_GameMode;
+	}
+
+	Json::StyledWriter writer;
+	std::string JsonData = writer.write(root);
+
+	AString SourceFile;
+	Printf(SourceFile, "players/%s.json", m_PlayerName.c_str() );
+
+	cFile f;
+	if (!f.Open(SourceFile, cFile::fmWrite))
+	{
+		LOGERROR("ERROR WRITING PLAYER \"%s\" TO FILE \"%s\" - cannot open file", m_PlayerName.c_str(), SourceFile.c_str());
+		return false;
+	}
+	if (f.Write(JsonData.c_str(), JsonData.size()) != (int)JsonData.size())
+	{
+		LOGERROR("ERROR WRITING PLAYER JSON TO FILE \"%s\"", SourceFile.c_str()); 
+		return false;
+	}
+	return true;
+}
+
+
+
+
+
+cPlayer::StringList cPlayer::GetResolvedPermissions()
+{
+	StringList Permissions;
+
+	const PermissionMap& ResolvedPermissions = m_ResolvedPermissions;
+	for( PermissionMap::const_iterator itr = ResolvedPermissions.begin(); itr != ResolvedPermissions.end(); ++itr )
+	{
+		if( itr->second ) Permissions.push_back( itr->first );
+	}
+
+	return Permissions;
+}
+
+
+
+
+
+void cPlayer::UseEquippedItem(void)
+{
+	if (IsGameModeCreative()) // No damage in creative
+	{
+		return;
+	}
+
+	GetInventory().DamageEquippedItem();
+}
+
+
+
+
+
+void cPlayer::SetSwimState(cChunk & a_Chunk)
+{
+	int RelY = (int)floor(m_LastPosY + 0.1);
+	if ((RelY < 0) || (RelY >= cChunkDef::Height - 1))
+	{
+		m_IsSwimming = false;
+		m_IsSubmerged = false;
+		return;
+	}
+	
+	BLOCKTYPE BlockIn;
+	int RelX = (int)floor(m_LastPosX) - a_Chunk.GetPosX() * cChunkDef::Width;
+	int RelZ = (int)floor(m_LastPosZ) - a_Chunk.GetPosZ() * cChunkDef::Width;
+	
+	// Check if the player is swimming:
+	// Use Unbounded, because we're being called *after* processing super::Tick(), which could have changed our chunk
+	if (!a_Chunk.UnboundedRelGetBlockType(RelX, RelY, RelZ, BlockIn))
+	{
+		// This sometimes happens on Linux machines
+		// Ref.: http://forum.mc-server.org/showthread.php?tid=1244
+		LOGD("SetSwimState failure: RelX = %d, RelZ = %d, LastPos = {%.02f, %.02f}, Pos = %.02f, %.02f}",
+			RelX, RelY, m_LastPosX, m_LastPosZ, GetPosX(), GetPosZ()
+		);
+		m_IsSwimming = false;
+		m_IsSubmerged = false;
+		return;
+	}
+	m_IsSwimming = IsBlockWater(BlockIn);
+
+	// Check if the player is submerged:
+	VERIFY(a_Chunk.UnboundedRelGetBlockType(RelX, RelY + 1, RelZ, BlockIn));
+	m_IsSubmerged = IsBlockWater(BlockIn);
+}
+
+
+
+
+
+void cPlayer::HandleAir(void)
+{
+	// Ref.: http://www.minecraftwiki.net/wiki/Chunk_format
+	// see if the player is /submerged/ water (block above is water)
+	// Get the type of block the player's standing in:
+
+	if (IsSubmerged())
+	{
+		// either reduce air level or damage player
+		if (m_AirLevel < 1)
+		{
+			if (m_AirTickTimer < 1)
+			{
+				// damage player 
+				TakeDamage(dtDrowning, NULL, 1, 1, 0);
+				// reset timer
+				m_AirTickTimer = DROWNING_TICKS;
+			}
+			else
+			{
+				m_AirTickTimer -= 1;
+			}
+		}
+		else
+		{
+			// reduce air supply
+			m_AirLevel -= 1;
+		}
+	}
+	else
+	{
+		// set the air back to maximum
+		m_AirLevel = MAX_AIR_LEVEL;
+		m_AirTickTimer = DROWNING_TICKS;
+	}
+}
+
+
+
+
+
+void cPlayer::HandleFood(void)
+{
+	// Ref.: http://www.minecraftwiki.net/wiki/Hunger
+	
+	// Remember the food level before processing, for later comparison
+	int LastFoodLevel = m_FoodLevel;
+	
+	// Heal or damage, based on the food level, using the m_FoodTickTimer:
+	if ((m_FoodLevel > 17) || (m_FoodLevel <= 0))
+	{
+		m_FoodTickTimer++;
+		if (m_FoodTickTimer >= 80)
+		{
+			m_FoodTickTimer = 0;
+
+			if (m_FoodLevel >= 17)
+			{
+				// Regenerate health from food, incur 3 pts of food exhaustion:
+				Heal(1);
+				m_FoodExhaustionLevel += 3;
+			}
+			else if (m_FoodLevel <= 0)
+			{
+				// Damage from starving
+				TakeDamage(dtStarving, NULL, 1, 1, 0);
+			}
+		}
+	}
+	
+	// Apply food poisoning food exhaustion:
+	if (m_FoodPoisonedTicksRemaining > 0)
+	{
+		m_FoodPoisonedTicksRemaining--;
+		m_FoodExhaustionLevel += 0.025;  // 0.5 per second = 0.025 per tick
+	}
+
+	// Apply food exhaustion that has accumulated:
+	if (m_FoodExhaustionLevel >= 4)
+	{
+		m_FoodExhaustionLevel -= 4;
+
+		if (m_FoodSaturationLevel >= 1)
+		{
+			m_FoodSaturationLevel -= 1;
+		}
+		else
+		{
+			m_FoodLevel = std::max(m_FoodLevel - 1, 0);
+		}
+	}
+	
+	if (m_FoodLevel != LastFoodLevel)
+	{
+		SendHealth();
+	}
+}
+
+
+
+
+
+void cPlayer::ApplyFoodExhaustionFromMovement()
+{
+	if (IsGameModeCreative())
+	{
+		return;
+	}
+	
+	// Calculate the distance travelled, update the last pos:
+	Vector3d Movement(GetPosition() - m_LastFoodPos);
+	Movement.y = 0;  // Only take XZ movement into account
+	m_LastFoodPos = GetPosition();
+	
+	// If riding anything, apply no food exhaustion
+	if (m_AttachedTo != NULL)
+	{
+		return;
+	}
+
+	// Apply the exhaustion based on distance travelled:
+	double BaseExhaustion = Movement.Length();
+	if (IsSprinting())
+	{
+		// 0.1 pt per meter sprinted
+		BaseExhaustion = BaseExhaustion * 0.1;
+	}
+	else if (IsSwimming())
+	{
+		// 0.015 pt per meter swum
+		BaseExhaustion = BaseExhaustion * 0.015;
+	}
+	else
+	{
+		// 0.01 pt per meter walked / sneaked
+		BaseExhaustion = BaseExhaustion * 0.01;
+	}
+	m_FoodExhaustionLevel += BaseExhaustion;
+}
+
+
+
+
diff --git a/source/Entities/Player.h b/src/Entities/Player.h
index 44cab7d74..44cab7d74 100644
--- a/source/Entities/Player.h
+++ b/src/Entities/Player.h
diff --git a/source/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index fb25aea35..fb25aea35 100644
--- a/source/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
diff --git a/source/Entities/ProjectileEntity.h b/src/Entities/ProjectileEntity.h
index 959e81ae5..959e81ae5 100644
--- a/source/Entities/ProjectileEntity.h
+++ b/src/Entities/ProjectileEntity.h
diff --git a/source/Entities/TNTEntity.cpp b/src/Entities/TNTEntity.cpp
index 339107b2e..339107b2e 100644
--- a/source/Entities/TNTEntity.cpp
+++ b/src/Entities/TNTEntity.cpp
diff --git a/source/Entities/TNTEntity.h b/src/Entities/TNTEntity.h
index eb5040e8a..eb5040e8a 100644
--- a/source/Entities/TNTEntity.h
+++ b/src/Entities/TNTEntity.h