24 files changed, 711 insertions, 61 deletions

diff --git a/src/Bindings/AllToLua.pkg b/src/Bindings/AllToLua.pkg
index 1cd7c74f8..4fe86e1c5 100644
--- a/src/Bindings/AllToLua.pkg
+++ b/src/Bindings/AllToLua.pkg
@@ -76,6 +76,7 @@ $cfile "../CompositeChat.h"
 $cfile "../Map.h"
 $cfile "../MapManager.h"
 $cfile "../Scoreboard.h"
+$cfile "../Statistics.h"
 
 
 
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 1009cdbd6..6caa599cb 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -336,7 +336,7 @@ void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID)
 
 	// Send scoreboard data
 	World->GetScoreBoard().SendTo(*this);
-	
+
 	// Delay the first ping until the client "settles down"
 	// This should fix #889, "BadCast exception, cannot convert bit to fm" error in client
 	cTimer t1;
@@ -2500,6 +2500,15 @@ void cClientHandle::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleTy
 
 
 
+void cClientHandle::SendStatistics(const cStatManager & a_Manager)
+{
+	m_Protocol->SendStatistics(a_Manager);
+}
+
+
+
+
+
 void cClientHandle::SendTabCompletionResults(const AStringVector & a_Results)
 {
 	m_Protocol->SendTabCompletionResults(a_Results);
diff --git a/src/ClientHandle.h b/src/ClientHandle.h
index f3dea7a4a..9f1245be5 100644
--- a/src/ClientHandle.h
+++ b/src/ClientHandle.h
@@ -39,6 +39,7 @@ class cFallingBlock;
 class cItemHandler;
 class cWorld;
 class cCompositeChat;
+class cStatManager;
 
 
 
@@ -160,6 +161,7 @@ public:
 	void SendSpawnMob            (const cMonster & a_Mob);
 	void SendSpawnObject         (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch);
 	void SendSpawnVehicle        (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType = 0);
+	void SendStatistics          (const cStatManager & a_Manager);
 	void SendTabCompletionResults(const AStringVector & a_Results);
 	void SendTeleportEntity      (const cEntity & a_Entity);
 	void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ);
diff --git a/src/Entities/CMakeLists.txt b/src/Entities/CMakeLists.txt
index c9ca44d38..205cb2cca 100644
--- a/src/Entities/CMakeLists.txt
+++ b/src/Entities/CMakeLists.txt
@@ -10,3 +10,5 @@ file(GLOB SOURCE
 )
 
 add_library(Entities ${SOURCE})
+
+target_link_libraries(Entities WorldStorage)
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 4cf10a219..c393f89fd 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -312,12 +312,16 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 	if ((a_TDI.Attacker != NULL) && (a_TDI.Attacker->IsPlayer()))
 	{
+		cPlayer * Player = (cPlayer *)a_TDI.Attacker;
+
 		// IsOnGround() only is false if the player is moving downwards
-		if (!((cPlayer *)a_TDI.Attacker)->IsOnGround()) // TODO: Better damage increase, and check for enchantments (and use magic critical instead of plain)
+		if (!Player->IsOnGround()) // TODO: Better damage increase, and check for enchantments (and use magic critical instead of plain)
 		{
 			a_TDI.FinalDamage += 2;
 			m_World->BroadcastEntityAnimation(*this, 4); // Critical hit
 		}
+
+		Player->GetStatManager().AddValue(statDamageDealt, round(a_TDI.FinalDamage * 10));
 	}
 
 	m_Health -= (short)a_TDI.FinalDamage;
@@ -370,6 +374,11 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 	if (m_Health <= 0)
 	{
 		KilledBy(a_TDI.Attacker);
+
+		if (a_TDI.Attacker != NULL)
+		{
+			a_TDI.Attacker->Killed(this);
+		}
 	}
 	return true;
 }
@@ -575,9 +584,16 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
 
 	if (m_AttachedTo != NULL)
 	{
-		if ((m_Pos - m_AttachedTo->GetPosition()).Length() > 0.5)
+		Vector3d DeltaPos = m_Pos - m_AttachedTo->GetPosition();
+		if (DeltaPos.Length() > 0.5)
 		{
 			SetPosition(m_AttachedTo->GetPosition());
+
+			if (IsPlayer())
+			{
+				cPlayer * Player = (cPlayer *)this;
+				Player->UpdateMovementStats(DeltaPos);
+			}
 		}
 	}
 	else
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index df03d635b..a111b128d 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -299,6 +299,9 @@ public:
 	/// Called when the health drops below zero. a_Killer may be NULL (environmental damage)
 	virtual void KilledBy(cEntity * a_Killer);
 
+	/// Called when the entity kills another entity
+	virtual void Killed(cEntity * a_Victim) {}
+
 	/// Heals the specified amount of HPs
 	void Heal(int a_HitPoints);
 	
diff --git a/src/Entities/Pickup.cpp b/src/Entities/Pickup.cpp
index 497b41683..0fd006485 100644
--- a/src/Entities/Pickup.cpp
+++ b/src/Entities/Pickup.cpp
@@ -192,6 +192,16 @@ bool cPickup::CollectedBy(cPlayer * a_Dest)
 	int NumAdded = a_Dest->GetInventory().AddItem(m_Item);
 	if (NumAdded > 0)
 	{
+		// Check achievements
+		switch (m_Item.m_ItemType)
+		{
+			case E_BLOCK_LOG:      a_Dest->AwardAchievement(achMineWood); break;
+			case E_ITEM_LEATHER:   a_Dest->AwardAchievement(achKillCow);  break;
+			case E_ITEM_DIAMOND:   a_Dest->AwardAchievement(achDiamonds); break;
+			case E_ITEM_BLAZE_ROD: a_Dest->AwardAchievement(achBlazeRod); break;
+			default: break;
+		}
+
 		m_Item.m_ItemCount -= NumAdded;
 		m_World->BroadcastCollectPickup(*this, *a_Dest);
 		// Also send the "pop" sound effect with a somewhat random pitch (fast-random using EntityID ;)
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 6ac11c270..632c41936 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -16,6 +16,9 @@
 #include "../Items/ItemHandler.h"
 #include "../Vector3.h"
 
+#include "../WorldStorage/StatSerializer.h"
+#include "../CompositeChat.h"
+
 #include "inifile/iniFile.h"
 #include "json/json.h"
 
@@ -191,6 +194,8 @@ void cPlayer::Tick(float a_Dt, cChunk & a_Chunk)
 			return;
 		}
 	}
+
+	m_Stats.AddValue(statMinutesPlayed, 1);
 	
 	if (!a_Chunk.IsValid())
 	{
@@ -815,7 +820,7 @@ bool cPlayer::DoTakeDamage(TakeDamageInfo & a_TDI)
 
 	if ((a_TDI.Attacker != NULL) && (a_TDI.Attacker->IsPlayer()))
 	{
-		cPlayer* Attacker = (cPlayer*) a_TDI.Attacker;
+		cPlayer * Attacker = (cPlayer *)a_TDI.Attacker;
 
 		if ((m_Team != NULL) && (m_Team == Attacker->m_Team))
 		{
@@ -832,6 +837,8 @@ bool cPlayer::DoTakeDamage(TakeDamageInfo & a_TDI)
 		// Any kind of damage adds food exhaustion
 		AddFoodExhaustion(0.3f);
 		SendHealth();
+
+		m_Stats.AddValue(statDamageTaken, round(a_TDI.FinalDamage * 10));
 		return true;
 	}
 	return false;
@@ -862,6 +869,8 @@ void cPlayer::KilledBy(cEntity * a_Killer)
 		Pickups.Add(cItem(E_ITEM_RED_APPLE));
 	}
 
+	m_Stats.AddValue(statItemsDropped, Pickups.Size());
+
 	m_World->SpawnItemPickups(Pickups, GetPosX(), GetPosY(), GetPosZ(), 10);
 	SaveToDisk();  // Save it, yeah the world is a tough place !
 
@@ -871,9 +880,9 @@ void cPlayer::KilledBy(cEntity * a_Killer)
 	}
 	else if (a_Killer->IsPlayer())
 	{
-		GetWorld()->BroadcastChatDeath(Printf("%s was killed by %s", GetName().c_str(), ((cPlayer *)a_Killer)->GetName().c_str()));
+		cPlayer * Killer = (cPlayer *)a_Killer;
 
-		m_World->GetScoreBoard().AddPlayerScore(((cPlayer *)a_Killer)->GetName(), cObjective::otPlayerKillCount, 1);
+		GetWorld()->BroadcastChatDeath(Printf("%s was killed by %s", GetName().c_str(), Killer->GetName().c_str()));
 	}
 	else
 	{
@@ -883,6 +892,8 @@ void cPlayer::KilledBy(cEntity * a_Killer)
 		GetWorld()->BroadcastChatDeath(Printf("%s was killed by a %s", GetName().c_str(), KillerClass.c_str()));
 	}
 
+	m_Stats.AddValue(statDeaths);
+
 	m_World->GetScoreBoard().AddPlayerScore(GetName(), cObjective::otDeathCount, 1);
 }
 
@@ -890,6 +901,33 @@ void cPlayer::KilledBy(cEntity * a_Killer)
 
 
 
+void cPlayer::Killed(cEntity * a_Victim)
+{
+	cScoreboard & ScoreBoard = m_World->GetScoreBoard();
+
+	if (a_Victim->IsPlayer())
+	{
+		m_Stats.AddValue(statPlayerKills);
+
+		ScoreBoard.AddPlayerScore(GetName(), cObjective::otPlayerKillCount, 1);
+	}
+	else if (a_Victim->IsMob())
+	{
+		if (((cMonster *)a_Victim)->GetMobFamily() == cMonster::mfHostile)
+		{
+			AwardAchievement(achKillMonster);
+		}
+
+		m_Stats.AddValue(statMobKills);
+	}
+
+	ScoreBoard.AddPlayerScore(GetName(), cObjective::otTotalKillCount, 1);
+}
+
+
+
+
+
 void cPlayer::Respawn(void)
 {
 	m_Health = GetMaxHealth();
@@ -1108,6 +1146,47 @@ void cPlayer::SetIP(const AString & a_IP)
 
 
 
+unsigned int cPlayer::AwardAchievement(const eStatistic a_Ach)
+{
+	eStatistic Prerequisite = cStatInfo::GetPrerequisite(a_Ach);
+
+	// Check if the prerequisites are met
+	if (Prerequisite != statInvalid)
+	{
+		if (m_Stats.GetValue(Prerequisite) == 0)
+		{
+			return 0;
+		}
+	}
+
+	StatValue Old = m_Stats.GetValue(a_Ach);
+
+	if (Old > 0)
+	{
+		return m_Stats.AddValue(a_Ach);
+	}
+	else
+	{
+		// First time, announce it
+		cCompositeChat Msg;
+		Msg.AddTextPart(m_PlayerName + " has just earned the achievement ");
+		Msg.AddTextPart(cStatInfo::GetName(a_Ach)); // TODO 2014-05-12 xdot: Use the proper cCompositeChat part (cAchievement)
+		m_World->BroadcastChat(Msg);
+
+		// Increment the statistic
+		StatValue New = m_Stats.AddValue(a_Ach);
+
+		// Achievement Get!
+		m_ClientHandle->SendStatistics(m_Stats);
+
+		return New;
+	}
+}
+
+
+
+
+
 void cPlayer::TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ)
 {
 	SetPosition(a_PosX, a_PosY, a_PosZ);
@@ -1192,6 +1271,9 @@ void cPlayer::MoveTo( const Vector3d & a_NewPos )
 	
 	// 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
+
+	Vector3d DeltaPos = a_NewPos - GetPosition();
+	UpdateMovementStats(DeltaPos);
 	
 	SetPosition( a_NewPos );
 	SetStance(a_NewPos.y + 1.62);
@@ -1422,10 +1504,7 @@ void cPlayer::TossEquippedItem(char a_Amount)
 		Drops.push_back(DroppedItem);
 	}
 
-	double vX = 0, vY = 0, vZ = 0;
-	EulerToVector(-GetYaw(), GetPitch(), vZ, vX, vY);
-	vY = -vY * 2 + 1.f;
-	m_World->SpawnItemPickups(Drops, GetPosX(), GetEyeHeight(), GetPosZ(), vX * 3, vY * 3, vZ * 3, true); // 'true' because created by player
+	TossItems(Drops);
 }
 
 
@@ -1441,6 +1520,7 @@ void cPlayer::TossHeldItem(char a_Amount)
 		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 - a_Amount;
@@ -1451,10 +1531,7 @@ void cPlayer::TossHeldItem(char a_Amount)
 		}
 	}
 
-	double vX = 0, vY = 0, vZ = 0;
-	EulerToVector(-GetYaw(), GetPitch(), vZ, vX, vY);
-	vY = -vY * 2 + 1.f;
-	m_World->SpawnItemPickups(Drops, GetPosX(), GetEyeHeight(), GetPosZ(), vX * 3, vY * 3, vZ * 3, true); // 'true' because created by player
+	TossItems(Drops);
 }
 
 
@@ -1466,10 +1543,21 @@ void cPlayer::TossPickup(const cItem & a_Item)
 	cItems Drops;
 	Drops.push_back(a_Item);
 
+	TossItems(Drops);
+}
+
+
+
+
+
+void cPlayer::TossItems(const cItems & a_Items)
+{
+	m_Stats.AddValue(statItemsDropped, a_Items.Size());
+
 	double vX = 0, vY = 0, vZ = 0;
 	EulerToVector(-GetYaw(), GetPitch(), vZ, vX, vY);
 	vY = -vY * 2 + 1.f;
-	m_World->SpawnItemPickups(Drops, GetPosX(), GetEyeHeight(), GetPosZ(), vX * 3, vY * 3, vZ * 3, true); // 'true' because created by player
+	m_World->SpawnItemPickups(a_Items, GetPosX(), GetEyeHeight(), GetPosZ(), vX * 3, vY * 3, vZ * 3, true); // 'true' because created by player
 }
 
 
@@ -1621,6 +1709,11 @@ bool cPlayer::LoadFromDisk()
 	m_Inventory.LoadFromJson(root["inventory"]);
 
 	m_LoadedWorldName = root.get("world", "world").asString();
+
+	// Load the player stats.
+	// We use the default world name (like bukkit) because stats are shared between dimensions/worlds.
+	cStatSerializer StatSerializer(cRoot::Get()->GetDefaultWorld()->GetName(), GetName(), &m_Stats);
+	StatSerializer.Load();
 	
 	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()
@@ -1692,6 +1785,16 @@ bool cPlayer::SaveToDisk()
 		LOGERROR("ERROR WRITING PLAYER JSON TO FILE \"%s\"", SourceFile.c_str()); 
 		return false;
 	}
+
+	// Save the player stats.
+	// We use the default world name (like bukkit) because stats are shared between dimensions/worlds.
+	cStatSerializer StatSerializer(cRoot::Get()->GetDefaultWorld()->GetName(), m_PlayerName, &m_Stats);
+	if (!StatSerializer.Save())
+	{
+		LOGERROR("Could not save stats for player %s", m_PlayerName.c_str());
+		return false;
+	}
+
 	return true;
 }
 
@@ -1706,7 +1809,10 @@ cPlayer::StringList cPlayer::GetResolvedPermissions()
 	const PermissionMap& ResolvedPermissions = m_ResolvedPermissions;
 	for( PermissionMap::const_iterator itr = ResolvedPermissions.begin(); itr != ResolvedPermissions.end(); ++itr )
 	{
-		if( itr->second ) Permissions.push_back( itr->first );
+		if (itr->second)
+		{
+			Permissions.push_back( itr->first );
+		}
 	}
 
 	return Permissions;
@@ -1845,6 +1951,59 @@ void cPlayer::HandleFloater()
 
 
 
+void cPlayer::UpdateMovementStats(const Vector3d & a_DeltaPos)
+{
+	StatValue Value = round(a_DeltaPos.Length() * 100);
+
+	if (m_AttachedTo == NULL)
+	{
+		int PosX = POSX_TOINT;
+		int PosY = POSY_TOINT;
+		int PosZ = POSZ_TOINT;
+
+		BLOCKTYPE Block;
+		NIBBLETYPE Meta;
+		if (!m_World->GetBlockTypeMeta(PosX, PosY, PosZ, Block, Meta))
+		{
+			return;
+		}
+
+		if ((Block == E_BLOCK_LADDER) && (a_DeltaPos.y > 0.0)) // Going up
+		{
+			m_Stats.AddValue(statDistClimbed, round(a_DeltaPos.y * 100));
+		}
+		else
+		{
+			// TODO 2014-05-12 xdot: Other types
+			m_Stats.AddValue(statDistWalked, Value);
+		}
+	}
+	else
+	{
+		switch (m_AttachedTo->GetEntityType())
+		{
+			case cEntity::etMinecart: m_Stats.AddValue(statDistMinecart, Value); break;
+			case cEntity::etBoat:     m_Stats.AddValue(statDistBoat,     Value); break;
+			case cEntity::etMonster:
+			{
+				cMonster * Monster = (cMonster *)m_AttachedTo;
+				switch (Monster->GetMobType())
+				{
+					case cMonster::mtPig:   m_Stats.AddValue(statDistPig,   Value); break;
+					case cMonster::mtHorse: m_Stats.AddValue(statDistHorse, Value); break;
+					default: break;
+				}
+				break;
+			}
+			default: break;
+		}
+	}
+}
+
+
+
+
+
 void cPlayer::ApplyFoodExhaustionFromMovement()
 {
 	if (IsGameModeCreative())
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index 6fc7e2875..78b534d83 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -7,6 +7,8 @@
 #include "../World.h"
 #include "../ClientHandle.h"
 
+#include "../Statistics.h"
+
 
 
 
@@ -174,6 +176,15 @@ public:
 	cTeam * UpdateTeam(void);
 
 	// tolua_end
+
+	/** Return the associated statistic and achievement manager. */
+	cStatManager & GetStatManager() { return m_Stats; }
+
+	/** Awards the player an achievement.
+	If all prerequisites are met, this method will award the achievement and will broadcast a chat message.
+	If the achievement has been already awarded to the player, this method will just increment the stat counter.
+	Returns the _new_ stat value. (0 = Could not award achievement) */
+	unsigned int AwardAchievement(const eStatistic a_Ach);
 	
 	void SetIP(const AString & a_IP);
 	
@@ -306,6 +317,8 @@ public:
 	void AbortEating(void);
 	
 	virtual void KilledBy(cEntity * a_Killer) override;
+
+	virtual void Killed(cEntity * a_Victim) override;
 	
 	void Respawn(void);															// tolua_export
 
@@ -375,6 +388,9 @@ public:
 	/** If true the player can fly even when he's not in creative. */
 	void SetCanFly(bool a_CanFly);
 
+	/** Update movement-related statistics. */
+	void UpdateMovementStats(const Vector3d & a_DeltaPos);
+
 	/** Returns wheter the player can fly or not. */
 	virtual bool CanFly(void) const { return m_CanFly; }
 	// tolua_end
@@ -487,6 +503,8 @@ protected:
 
 	cTeam * m_Team;
 
+	cStatManager m_Stats;
+
 
 
 	void ResolvePermissions(void);
@@ -506,6 +524,9 @@ protected:
 	/** Called in each tick if the player is fishing to make sure the floater dissapears when the player doesn't have a fishing rod as equipped item. */
 	void HandleFloater(void);
 
+	/** Tosses a list of items. */
+	void TossItems(const cItems & a_Items);
+
 	/** Adds food exhaustion based on the difference between Pos and LastPos, sprinting status and swimming (in water block) */
 	void ApplyFoodExhaustionFromMovement();
 
diff --git a/src/Item.h b/src/Item.h
index 2f65d5344..acbc880dc 100644
--- a/src/Item.h
+++ b/src/Item.h
@@ -228,7 +228,7 @@ public:
 	void    Add   (const cItem & a_Item) {push_back(a_Item); }
 	void    Delete(int a_Idx);
 	void    Clear (void) {clear(); }
-	size_t  Size  (void) {return size(); }
+	size_t  Size  (void) const { return size(); }
 	void    Set   (int a_Idx, short a_ItemType, char a_ItemCount, short a_ItemDamage);
 
 	void    Add   (short a_ItemType, char a_ItemCount, short a_ItemDamage)
diff --git a/src/Mobs/Monster.cpp b/src/Mobs/Monster.cpp
index 5832edb9f..a9ca7a2fa 100644
--- a/src/Mobs/Monster.cpp
+++ b/src/Mobs/Monster.cpp
@@ -466,8 +466,10 @@ bool cMonster::DoTakeDamage(TakeDamageInfo & a_TDI)
 		return false;
 	}
 
-	if((m_SoundHurt != "") && (m_Health > 0))
+	if (!m_SoundHurt.empty() && (m_Health > 0))
+	{
 		m_World->BroadcastSoundEffect(m_SoundHurt, (int)(GetPosX() * 8), (int)(GetPosY() * 8), (int)(GetPosZ() * 8), 1.0f, 0.8f);
+	}
 
 	if (a_TDI.Attacker != NULL)
 	{
diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index 8f152ad37..a543c6361 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -31,6 +31,7 @@ class cMonster;
 class cChunkDataSerializer;
 class cFallingBlock;
 class cCompositeChat;
+class cStatManager;
 
 
 
@@ -111,6 +112,7 @@ public:
 	virtual void SendSpawnMob            (const cMonster & a_Mob) = 0;
 	virtual void SendSpawnObject         (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) = 0;
 	virtual void SendSpawnVehicle        (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) = 0;
+	virtual void SendStatistics          (const cStatManager & a_Manager) = 0;
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) = 0;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) = 0;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) = 0;
diff --git a/src/Protocol/Protocol125.cpp b/src/Protocol/Protocol125.cpp
index e7873cf7a..f3bdae3ac 100644
--- a/src/Protocol/Protocol125.cpp
+++ b/src/Protocol/Protocol125.cpp
@@ -99,6 +99,7 @@ enum
 	PACKET_ENCHANT_ITEM              = 0x6C,
 	PACKET_UPDATE_SIGN               = 0x82,
 	PACKET_ITEM_DATA                 = 0x83,
+	PACKET_INCREMENT_STATISTIC       = 0xC8,
 	PACKET_PLAYER_LIST_ITEM          = 0xC9,
 	PACKET_PLAYER_ABILITIES          = 0xca,
 	PACKET_PLUGIN_MESSAGE            = 0xfa,
@@ -992,6 +993,33 @@ void cProtocol125::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleTyp
 
 
 
+void cProtocol125::SendStatistics(const cStatManager & a_Manager)
+{
+	/* NOTE:
+	 * Versions prior to minecraft 1.7 use an incremental statistic sync
+	 * method. The current setup does not allow us to implement that, because
+	 * of performance considerations.
+	 */
+#if 0
+	for (unsigned int i = 0; i < (unsigned int)statCount; ++i)
+	{
+		StatValue Value = m_Manager->GetValue((eStatistic) i);
+
+		unsigned int StatID = cStatInfo::GetID((eStatistic) i);
+
+		cCSLock Lock(m_CSPacket);
+		WriteByte(PACKET_INCREMENT_STATISTIC);
+		WriteInt(StatID);
+		WriteByte(Value); /* Can overflow! */
+		Flush();
+	}
+#endif
+}
+
+
+
+
+
 void cProtocol125::SendTabCompletionResults(const AStringVector & a_Results)
 {
 	// This protocol version doesn't support tab completion
diff --git a/src/Protocol/Protocol125.h b/src/Protocol/Protocol125.h
index 423e58d67..18a626a2d 100644
--- a/src/Protocol/Protocol125.h
+++ b/src/Protocol/Protocol125.h
@@ -84,6 +84,7 @@ public:
 	virtual void SendSpawnMob            (const cMonster & a_Mob) override;
 	virtual void SendSpawnObject         (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override;
 	virtual void SendSpawnVehicle        (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override;
+	virtual void SendStatistics          (const cStatManager & a_Manager) override;
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) override;
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 443723e40..39feee16f 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -11,13 +11,19 @@ Implements the 1.7.x protocol classes:
 #include "json/json.h"
 #include "Protocol17x.h"
 #include "ChunkDataSerializer.h"
+#include "PolarSSL++/Sha1Checksum.h"
+
 #include "../ClientHandle.h"
 #include "../Root.h"
 #include "../Server.h"
 #include "../World.h"
+#include "../StringCompression.h"
+#include "../CompositeChat.h"
+#include "../Statistics.h"
+
 #include "../WorldStorage/FastNBT.h"
 #include "../WorldStorage/EnchantmentSerializer.h"
-#include "../StringCompression.h"
+
 #include "../Entities/ExpOrb.h"
 #include "../Entities/Minecart.h"
 #include "../Entities/FallingBlock.h"
@@ -25,15 +31,15 @@ Implements the 1.7.x protocol classes:
 #include "../Entities/Pickup.h"
 #include "../Entities/Player.h"
 #include "../Entities/ItemFrame.h"
+#include "../Entities/ArrowEntity.h"
+#include "../Entities/FireworkEntity.h"
+
 #include "../Mobs/IncludeAllMonsters.h"
 #include "../UI/Window.h"
+
 #include "../BlockEntities/CommandBlockEntity.h"
 #include "../BlockEntities/MobHeadEntity.h"
 #include "../BlockEntities/FlowerPotEntity.h"
-#include "../CompositeChat.h"
-#include "../Entities/ArrowEntity.h"
-#include "../Entities/FireworkEntity.h"
-#include "PolarSSL++/Sha1Checksum.h"
 
 
 
@@ -1169,6 +1175,28 @@ void cProtocol172::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleTyp
 
 
 
+void cProtocol172::SendStatistics(const cStatManager & a_Manager)
+{
+	ASSERT(m_State == 3);  // In game mode?
+	
+	cPacketizer Pkt(*this, 0x37);
+	Pkt.WriteVarInt(statCount); // TODO 2014-05-11 xdot: Optimization: Send "dirty" statistics only
+
+	for (unsigned int i = 0; i < (unsigned int)statCount; ++i)
+	{
+		StatValue Value = a_Manager.GetValue((eStatistic) i);
+
+		const AString & StatName = cStatInfo::GetName((eStatistic) i);
+
+		Pkt.WriteString(StatName);
+		Pkt.WriteVarInt(Value);
+	}
+}
+
+
+
+
+
 void cProtocol172::SendTabCompletionResults(const AStringVector & a_Results)
 {
 	ASSERT(m_State == 3);  // In game mode?
@@ -1843,13 +1871,15 @@ void cProtocol172::HandlePacketClientStatus(cByteBuffer & a_ByteBuffer)
 		case 1:
 		{
 			// Request stats
-			// TODO
+			const cStatManager & Manager = m_Client->GetPlayer()->GetStatManager();
+			SendStatistics(Manager);
+
 			break;
 		}
 		case 2:
 		{
 			// Open Inventory achievement
-			// TODO
+			m_Client->GetPlayer()->AwardAchievement(achOpenInv);
 			break;
 		}
 	}
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index dc111e737..3c6a8c085 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -116,6 +116,7 @@ public:
 	virtual void SendSpawnMob            (const cMonster & a_Mob) override;
 	virtual void SendSpawnObject         (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override;
 	virtual void SendSpawnVehicle        (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override;
+	virtual void SendStatistics          (const cStatManager & a_Manager) override;
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) override;
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index 667fb5cef..b0cbb6def 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -675,6 +675,16 @@ void cProtocolRecognizer::SendSpawnVehicle(const cEntity & a_Vehicle, char a_Veh
 
 
 
+void cProtocolRecognizer::SendStatistics(const cStatManager & a_Manager)
+{
+	ASSERT(m_Protocol != NULL);
+	m_Protocol->SendStatistics(a_Manager);
+}
+
+
+
+
+
 void cProtocolRecognizer::SendTabCompletionResults(const AStringVector & a_Results)
 {
 	ASSERT(m_Protocol != NULL);
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 37f47379d..3a291bf7a 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -119,6 +119,7 @@ public:
 	virtual void SendSpawnMob            (const cMonster & a_Mob) override;
 	virtual void SendSpawnObject         (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override;
 	virtual void SendSpawnVehicle        (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override;
+	virtual void SendStatistics          (const cStatManager & a_Manager) override;
 	virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
 	virtual void SendTeleportEntity      (const cEntity & a_Entity) override;
 	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) override;
diff --git a/src/Statistics.cpp b/src/Statistics.cpp
index 2c980d98e..5950eb96c 100644
--- a/src/Statistics.cpp
+++ b/src/Statistics.cpp
@@ -13,39 +13,39 @@ cStatInfo cStatInfo::ms_Info[statCount] = {
 	// http://minecraft.gamepedia.com/Achievements
 
 	/*             Type          |      Name            |  Prerequisite      */
-	cStatInfo(achOpenInv,           "openInventory"),
-	cStatInfo(achMineWood,          "mineWood",           achOpenInv),
-	cStatInfo(achCraftWorkbench,    "buildWorkBench",     achMineWood),
-	cStatInfo(achCraftPickaxe,      "buildPickaxe",       achCraftWorkbench),
-	cStatInfo(achCraftFurnace,      "buildFurnace",       achCraftPickaxe),
-	cStatInfo(achAcquireIron,       "acquireIron",        achCraftFurnace),
-	cStatInfo(achCraftHoe,          "buildHoe",           achCraftWorkbench),
-	cStatInfo(achMakeBread,         "makeBread",          achCraftHoe),
-	cStatInfo(achBakeCake,          "bakeCake",           achCraftHoe),
-	cStatInfo(achCraftBetterPick,   "buildBetterPickaxe", achCraftPickaxe),
-	cStatInfo(achCookFish,          "cookFish",           achAcquireIron),
-	cStatInfo(achOnARail,           "onARail",            achAcquireIron),
-	cStatInfo(achCraftSword,        "buildSword",         achCraftWorkbench),
-	cStatInfo(achKillMonster,       "killEnemy",          achCraftSword),
-	cStatInfo(achKillCow,           "killCow",            achCraftSword),
-	cStatInfo(achFlyPig,            "flyPig",             achKillCow),
-	cStatInfo(achSnipeSkeleton,     "snipeSkeleton",      achKillMonster),
-	cStatInfo(achDiamonds,          "diamonds",           achAcquireIron),
-	cStatInfo(achEnterPortal,       "portal",             achDiamonds),
-	cStatInfo(achReturnToSender,    "ghast",              achEnterPortal),
-	cStatInfo(achBlazeRod,          "blazeRod",           achEnterPortal),
-	cStatInfo(achBrewPotion,        "potion",             achBlazeRod),
-	cStatInfo(achEnterTheEnd,       "theEnd",             achBlazeRod),
-	cStatInfo(achDefeatDragon,      "theEnd2",            achEnterTheEnd),
-	cStatInfo(achCraftEnchantTable, "enchantments",       achDiamonds),
-	cStatInfo(achOverkill,          "overkill",           achCraftEnchantTable),
-	cStatInfo(achBookshelf,         "bookcase",           achCraftEnchantTable),
-	cStatInfo(achExploreAllBiomes,  "exploreAllBiomes",   achEnterTheEnd),
-	cStatInfo(achSpawnWither,       "spawnWither",        achDefeatDragon),
-	cStatInfo(achKillWither,        "killWither",         achSpawnWither),
-	cStatInfo(achFullBeacon,        "fullBeacon",         achKillWither),
-	cStatInfo(achBreedCow,          "breedCow",           achKillCow),
-	cStatInfo(achThrowDiamonds,     "diamondsToYou",      achDiamonds),
+	cStatInfo(achOpenInv,           "achievement.openInventory"),
+	cStatInfo(achMineWood,          "achievement.mineWood",           achOpenInv),
+	cStatInfo(achCraftWorkbench,    "achievement.buildWorkBench",     achMineWood),
+	cStatInfo(achCraftPickaxe,      "achievement.buildPickaxe",       achCraftWorkbench),
+	cStatInfo(achCraftFurnace,      "achievement.buildFurnace",       achCraftPickaxe),
+	cStatInfo(achAcquireIron,       "achievement.acquireIron",        achCraftFurnace),
+	cStatInfo(achCraftHoe,          "achievement.buildHoe",           achCraftWorkbench),
+	cStatInfo(achMakeBread,         "achievement.makeBread",          achCraftHoe),
+	cStatInfo(achBakeCake,          "achievement.bakeCake",           achCraftHoe),
+	cStatInfo(achCraftBetterPick,   "achievement.buildBetterPickaxe", achCraftPickaxe),
+	cStatInfo(achCookFish,          "achievement.cookFish",           achAcquireIron),
+	cStatInfo(achOnARail,           "achievement.onARail",            achAcquireIron),
+	cStatInfo(achCraftSword,        "achievement.buildSword",         achCraftWorkbench),
+	cStatInfo(achKillMonster,       "achievement.killEnemy",          achCraftSword),
+	cStatInfo(achKillCow,           "achievement.killCow",            achCraftSword),
+	cStatInfo(achFlyPig,            "achievement.flyPig",             achKillCow),
+	cStatInfo(achSnipeSkeleton,     "achievement.snipeSkeleton",      achKillMonster),
+	cStatInfo(achDiamonds,          "achievement.diamonds",           achAcquireIron),
+	cStatInfo(achEnterPortal,       "achievement.portal",             achDiamonds),
+	cStatInfo(achReturnToSender,    "achievement.ghast",              achEnterPortal),
+	cStatInfo(achBlazeRod,          "achievement.blazeRod",           achEnterPortal),
+	cStatInfo(achBrewPotion,        "achievement.potion",             achBlazeRod),
+	cStatInfo(achEnterTheEnd,       "achievement.theEnd",             achBlazeRod),
+	cStatInfo(achDefeatDragon,      "achievement.theEnd2",            achEnterTheEnd),
+	cStatInfo(achCraftEnchantTable, "achievement.enchantments",       achDiamonds),
+	cStatInfo(achOverkill,          "achievement.overkill",           achCraftEnchantTable),
+	cStatInfo(achBookshelf,         "achievement.bookcase",           achCraftEnchantTable),
+	cStatInfo(achExploreAllBiomes,  "achievement.exploreAllBiomes",   achEnterTheEnd),
+	cStatInfo(achSpawnWither,       "achievement.spawnWither",        achDefeatDragon),
+	cStatInfo(achKillWither,        "achievement.killWither",         achSpawnWither),
+	cStatInfo(achFullBeacon,        "achievement.fullBeacon",         achKillWither),
+	cStatInfo(achBreedCow,          "achievement.breedCow",           achKillCow),
+	cStatInfo(achThrowDiamonds,     "achievement.diamondsToYou",      achDiamonds),
 
 	// http://minecraft.gamepedia.com/Statistics
 
@@ -57,13 +57,14 @@ cStatInfo cStatInfo::ms_Info[statCount] = {
 	cStatInfo(statDistFallen,     "stat.fallOneCm"),
 	cStatInfo(statDistClimbed,    "stat.climbOneCm"),
 	cStatInfo(statDistFlown,      "stat.flyOneCm"),
+	cStatInfo(statDistDove,       "stat.diveOneCm"),
 	cStatInfo(statDistMinecart,   "stat.minecartOneCm"),
 	cStatInfo(statDistBoat,       "stat.boatOneCm"),
 	cStatInfo(statDistPig,        "stat.pigOneCm"),
 	cStatInfo(statDistHorse,      "stat.horseOneCm"),
 	cStatInfo(statJumps,          "stat.jump"),
 	cStatInfo(statItemsDropped,   "stat.drop"),
-	cStatInfo(statDamageDealt,    "stat.damageDealth"),
+	cStatInfo(statDamageDealt,    "stat.damageDealt"),
 	cStatInfo(statDamageTaken,    "stat.damageTaken"),
 	cStatInfo(statDeaths,         "stat.deaths"),
 	cStatInfo(statMobKills,       "stat.mobKills"),
@@ -113,7 +114,7 @@ eStatistic cStatInfo::GetType(const AString & a_Name)
 {
 	for (unsigned int i = 0; i < ARRAYCOUNT(ms_Info); ++i)
 	{
-		if (NoCaseCompare(ms_Info[i].m_Name, a_Name))
+		if (NoCaseCompare(ms_Info[i].m_Name, a_Name) == 0)
 		{
 			return ms_Info[i].m_Type;
 		}
@@ -137,3 +138,59 @@ eStatistic cStatInfo::GetPrerequisite(const eStatistic a_Type)
 
 
 
+cStatManager::cStatManager()
+{
+	Reset();
+}
+
+
+
+
+
+StatValue cStatManager::GetValue(const eStatistic a_Stat) const
+{
+	ASSERT((a_Stat > statInvalid) && (a_Stat < statCount));
+
+	return m_MainStats[a_Stat];
+}
+
+
+
+
+
+void cStatManager::SetValue(const eStatistic a_Stat, const StatValue a_Value)
+{
+	ASSERT((a_Stat > statInvalid) && (a_Stat < statCount));
+
+	m_MainStats[a_Stat] = a_Value;
+}
+
+
+
+
+
+StatValue cStatManager::AddValue(const eStatistic a_Stat, const StatValue a_Delta)
+{
+	ASSERT((a_Stat > statInvalid) && (a_Stat < statCount));
+
+	m_MainStats[a_Stat] += a_Delta;
+
+	return m_MainStats[a_Stat];
+}
+
+
+
+
+
+void cStatManager::Reset(void)
+{
+	for (unsigned int i = 0; i < (unsigned int)statCount; ++i)
+	{
+		m_MainStats[i] = 0;
+	}
+}
+
+
+
+
+
diff --git a/src/Statistics.h b/src/Statistics.h
index 540df38cc..f37f32e1e 100644
--- a/src/Statistics.h
+++ b/src/Statistics.h
@@ -9,6 +9,7 @@
 
 
 
+// tolua_begin
 enum eStatistic
 {
 	// The order must match the order of cStatInfo::ms_Info
@@ -77,6 +78,7 @@ enum eStatistic
 
 	statCount
 };
+// tolua_end
 
 
 
@@ -114,3 +116,49 @@ private:
 
 
 
+
+/* Signed (?) integral value. */
+typedef int StatValue; // tolua_export
+
+
+
+
+/** Class that manages the statistics and achievements of a single player. */
+// tolua_begin
+class cStatManager
+{
+public:
+	// tolua_end
+
+	cStatManager();
+
+	// tolua_begin
+
+	/** Return the value of the specified stat. */
+	StatValue GetValue(const eStatistic a_Stat) const;
+
+	/** Set the value of the specified stat. */
+	void SetValue(const eStatistic a_Stat, const StatValue a_Value);
+
+	/** Reset everything. */
+	void Reset();
+
+	/** Increment the specified stat.
+	 *
+	 * Returns the new value.
+	 */
+	StatValue AddValue(const eStatistic a_Stat, const StatValue a_Delta = 1);
+
+	// tolua_end
+
+private:
+
+	StatValue m_MainStats[statCount];
+
+	// TODO 10-05-2014 xdot: Use, mine, craft statistics
+
+
+}; // tolua_export
+
+
+
diff --git a/src/UI/SlotArea.cpp b/src/UI/SlotArea.cpp
index 8833a767a..507b45833 100644
--- a/src/UI/SlotArea.cpp
+++ b/src/UI/SlotArea.cpp
@@ -496,6 +496,8 @@ void cSlotAreaCrafting::ClickedResult(cPlayer & a_Player)
 		DraggingItem = Result;
 		Recipe.ConsumeIngredients(Grid);
 		Grid.CopyToItems(PlayerSlots);
+
+		HandleCraftItem(Result, a_Player);
 	}
 	else if (DraggingItem.IsEqual(Result))
 	{
@@ -505,6 +507,8 @@ void cSlotAreaCrafting::ClickedResult(cPlayer & a_Player)
 			DraggingItem.m_ItemCount += Result.m_ItemCount;
 			Recipe.ConsumeIngredients(Grid);
 			Grid.CopyToItems(PlayerSlots);
+
+			HandleCraftItem(Result, a_Player);
 		}
 	}
 
@@ -594,6 +598,27 @@ cCraftingRecipe & cSlotAreaCrafting::GetRecipeForPlayer(cPlayer & a_Player)
 
 
 
+void cSlotAreaCrafting::HandleCraftItem(const cItem & a_Result, cPlayer & a_Player)
+{
+	switch (a_Result.m_ItemType)
+	{
+		case E_BLOCK_WORKBENCH:         a_Player.AwardAchievement(achCraftWorkbench);    break;
+		case E_BLOCK_FURNACE:           a_Player.AwardAchievement(achCraftFurnace);      break;
+		case E_BLOCK_CAKE:              a_Player.AwardAchievement(achBakeCake);          break;
+		case E_BLOCK_ENCHANTMENT_TABLE: a_Player.AwardAchievement(achCraftEnchantTable); break;
+		case E_BLOCK_BOOKCASE:          a_Player.AwardAchievement(achBookshelf);         break;
+		case E_ITEM_WOODEN_PICKAXE:     a_Player.AwardAchievement(achCraftPickaxe);      break;
+		case E_ITEM_WOODEN_SWORD:       a_Player.AwardAchievement(achCraftSword);        break;
+		case E_ITEM_STONE_PICKAXE:      a_Player.AwardAchievement(achCraftBetterPick);   break;
+		case E_ITEM_WOODEN_HOE:         a_Player.AwardAchievement(achCraftHoe);          break;
+		case E_ITEM_BREAD:              a_Player.AwardAchievement(achMakeBread);         break;
+		default: break;
+	}
+}
+
+
+
+
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // cSlotAreaAnvil:
@@ -1393,7 +1418,7 @@ void cSlotAreaFurnace::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
 {
 	// Something has changed in the window, broadcast the entire window to all clients
 	ASSERT(a_ItemGrid == &(m_Furnace->GetContents()));
-	
+
 	m_ParentWindow.BroadcastWholeWindow();
 }
 
@@ -1401,6 +1426,21 @@ void cSlotAreaFurnace::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
 
 
 
+void cSlotAreaFurnace::HandleSmeltItem(const cItem & a_Result, cPlayer & a_Player)
+{
+	/** TODO 2014-05-12 xdot: Figure out when to call this method. */
+	switch (a_Result.m_ItemType)
+	{
+		case E_ITEM_IRON:        a_Player.AwardAchievement(achAcquireIron); break;
+		case E_ITEM_COOKED_FISH: a_Player.AwardAchievement(achCookFish);    break;
+		default: break;
+	}
+}
+
+
+
+
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // cSlotAreaInventoryBase:
 
diff --git a/src/UI/SlotArea.h b/src/UI/SlotArea.h
index 4da6a672f..e297bcff7 100644
--- a/src/UI/SlotArea.h
+++ b/src/UI/SlotArea.h
@@ -254,6 +254,9 @@ protected:
 	
 	/// Retrieves the recipe for the specified player from the map, or creates one if not found
 	cCraftingRecipe & GetRecipeForPlayer(cPlayer & a_Player);
+
+	/// Called after an item has been crafted to handle statistics e.t.c.
+	void HandleCraftItem(const cItem & a_Result, cPlayer & a_Player);
 } ;
 
 
@@ -397,6 +400,9 @@ protected:
 
 	// cItemGrid::cListener overrides:
 	virtual void OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum) override;
+
+	/// Called after an item has been smelted to handle statistics e.t.c.
+	void HandleSmeltItem(const cItem & a_Result, cPlayer & a_Player);
 } ;
 
 
diff --git a/src/WorldStorage/StatSerializer.cpp b/src/WorldStorage/StatSerializer.cpp
new file mode 100644
index 000000000..74113941c
--- /dev/null
+++ b/src/WorldStorage/StatSerializer.cpp
@@ -0,0 +1,146 @@
+
+// StatSerializer.cpp
+
+
+#include "Globals.h"
+#include "StatSerializer.h"
+
+#include "../Statistics.h"
+
+
+
+
+
+cStatSerializer::cStatSerializer(const AString & a_WorldName, const AString & a_PlayerName, cStatManager * a_Manager)
+	: m_Manager(a_Manager)
+{
+	// Even though stats are shared between worlds, they are (usually) saved
+	// inside the folder of the default world.
+
+	AString StatsPath;
+	Printf(StatsPath, "%s/stats", a_WorldName.c_str());
+
+	m_Path = StatsPath + "/" + a_PlayerName + ".json";
+
+	// Ensure that the directory exists.
+	cFile::CreateFolder(FILE_IO_PREFIX + StatsPath);
+}
+
+
+
+
+
+bool cStatSerializer::Load(void)
+{
+	AString Data = cFile::ReadWholeFile(FILE_IO_PREFIX + m_Path);
+	if (Data.empty())
+	{
+		return false;
+	}
+
+	Json::Value Root;
+	Json::Reader Reader;
+
+	if (Reader.parse(Data, Root, false))
+	{
+		return LoadStatFromJSON(Root);
+	}
+
+	return false;
+}
+
+
+
+
+
+bool cStatSerializer::Save(void)
+{
+	Json::Value Root;
+	SaveStatToJSON(Root);
+
+	cFile File;
+	if (!File.Open(FILE_IO_PREFIX + m_Path, cFile::fmWrite))
+	{
+		return false;
+	}
+
+	Json::StyledWriter Writer;
+	AString JsonData = Writer.write(Root);
+
+	File.Write(JsonData.data(), JsonData.size());
+	File.Close();
+
+	return true;
+}
+
+
+
+
+
+void cStatSerializer::SaveStatToJSON(Json::Value & a_Out)
+{
+	for (unsigned int i = 0; i < (unsigned int)statCount; ++i)
+	{
+		StatValue Value = m_Manager->GetValue((eStatistic) i);
+
+		if (Value != 0)
+		{
+			const AString & StatName = cStatInfo::GetName((eStatistic) i);
+
+			a_Out[StatName] = Value;
+		}
+
+		// TODO 2014-05-11 xdot: Save "progress"
+	}
+}
+
+
+
+
+
+bool cStatSerializer::LoadStatFromJSON(const Json::Value & a_In)
+{
+	m_Manager->Reset();
+
+	for (Json::ValueIterator it = a_In.begin() ; it != a_In.end() ; ++it)
+	{
+		AString StatName = it.key().asString();
+
+		eStatistic StatType = cStatInfo::GetType(StatName);
+
+		if (StatType == statInvalid)
+		{
+			LOGWARNING("Invalid statistic type \"%s\"", StatName.c_str());
+			continue;
+		}
+
+		Json::Value & Node = *it;
+
+		if (Node.isInt())
+		{
+			m_Manager->SetValue(StatType, Node.asInt());
+		}
+		else if (Node.isObject())
+		{
+			StatValue Value = Node.get("value", 0).asInt();
+
+			// TODO 2014-05-11 xdot: Load "progress"
+
+			m_Manager->SetValue(StatType, Value);
+		}
+		else
+		{
+			LOGWARNING("Invalid statistic value for type \"%s\"", StatName.c_str());
+		}
+	}
+
+	return true;
+}
+
+
+
+
+
+
+
+
diff --git a/src/WorldStorage/StatSerializer.h b/src/WorldStorage/StatSerializer.h
new file mode 100644
index 000000000..72f8d74f1
--- /dev/null
+++ b/src/WorldStorage/StatSerializer.h
@@ -0,0 +1,55 @@
+
+// StatSerializer.h
+
+// Declares the cStatSerializer class that is used for saving stats into JSON
+
+
+
+
+
+#pragma once
+
+#include "json/json.h"
+
+
+
+
+
+// fwd:
+class cStatManager;
+
+
+
+
+class cStatSerializer
+{
+public:
+
+	cStatSerializer(const AString & a_WorldName, const AString & a_PlayerName, cStatManager * a_Manager);
+
+	/* Try to load the player statistics. Returns whether the operation was successful or not. */
+	bool Load(void);
+
+	/* Try to save the player statistics. Returns whether the operation was successful or not. */
+	bool Save(void);
+
+
+protected:
+
+	void SaveStatToJSON(Json::Value & a_Out);
+
+	bool LoadStatFromJSON(const Json::Value & a_In);
+
+
+private:
+
+	cStatManager* m_Manager;
+
+	AString m_Path;
+
+
+} ;
+
+
+
+