15 files changed, 125 insertions, 47 deletions

diff --git a/makefile b/makefile
index 818678093..ddd3d42c6 100644
--- a/makefile
+++ b/makefile
@@ -77,6 +77,7 @@ MCServer : \
 		build/cChestEntity.o\
 		build/cChunk.o\
 		build/cChunkMap.o\
+		build/cChunkGenerator.o\
 		build/cClientHandle.o\
 		build/cCraftingWindow.o\
 		build/cCriticalSection.o\
@@ -90,6 +91,9 @@ MCServer : \
 		build/cInventory.o\
 		build/cLog.o\
 		build/cMonster.o\
+		build/cAggressiveMonster.o\
+		build/cPassiveMonster.o\
+		build/cPassiveAggressiveMonster.o\
 		build/cRedstone.o\
 		build/cPiston.o\
 		build/cPawn.o\
@@ -108,6 +112,7 @@ MCServer : \
 		build/cWebPlugin.o\
 		build/cWindow.o\
 		build/cWorld.o\
+		build/cWorldGenerator.o\
 		build/main.o\
 		build/ManualBindings.o\
 		build/Matrix4f.o\
@@ -141,6 +146,7 @@ MCServer : \
 		build/cPacket_Handshake.o\
 		build/cPacket_InventoryProgressBar.o\
 		build/cPacket_InventorySlot.o\
+		build/cPacket_ItemData.o\
 		build/cPacket_ItemSwitch.o\
 		build/cPacket_KeepAlive.o\
 		build/cPacket_Login.o\
@@ -149,6 +155,7 @@ MCServer : \
 		build/cPacket_MultiBlock.o\
 		build/cPacket_NamedEntitySpawn.o\
 		build/cPacket_PickupSpawn.o\
+		build/cPacket_PlayerListItem.o\
 		build/cPacket_PlayerLook.o\
 		build/cPacket_PlayerMoveLook.o\
 		build/cPacket_PlayerPosition.o\
@@ -225,6 +232,7 @@ MCServer : \
 		build/zutil.o\
 		build/iniFile.o\
 		build/cSocket.o\
+		build/cFluidSimulator.o\
 		build/cWaterSimulator.o\
 		build/cLavaSimulator.o\
 		build/cFileFormatUpdater.o\
@@ -268,6 +276,7 @@ MCServer : \
 		build/cChestEntity.o\
 		build/cChunk.o\
 		build/cChunkMap.o\
+		build/cChunkGenerator.o\
 		build/cClientHandle.o\
 		build/cCraftingWindow.o\
 		build/cCriticalSection.o\
@@ -281,6 +290,9 @@ MCServer : \
 		build/cInventory.o\
 		build/cLog.o\
 		build/cMonster.o\
+		build/cAggressiveMonster.o\
+		build/cPassiveMonster.o\
+		build/cPassiveAggressiveMonster.o\
 		build/cRedstone.o\
 		build/cPiston.o\
 		build/cPawn.o\
@@ -299,6 +311,7 @@ MCServer : \
 		build/cWebPlugin.o\
 		build/cWindow.o\
 		build/cWorld.o\
+		build/cWorldGenerator.o\
 		build/main.o\
 		build/ManualBindings.o\
 		build/Matrix4f.o\
@@ -332,6 +345,7 @@ MCServer : \
 		build/cPacket_Handshake.o\
 		build/cPacket_InventoryProgressBar.o\
 		build/cPacket_InventorySlot.o\
+		build/cPacket_ItemData.o\
 		build/cPacket_ItemSwitch.o\
 		build/cPacket_KeepAlive.o\
 		build/cPacket_Login.o\
@@ -340,6 +354,7 @@ MCServer : \
 		build/cPacket_MultiBlock.o\
 		build/cPacket_NamedEntitySpawn.o\
 		build/cPacket_PickupSpawn.o\
+		build/cPacket_PlayerListItem.o\
 		build/cPacket_PlayerLook.o\
 		build/cPacket_PlayerMoveLook.o\
 		build/cPacket_PlayerPosition.o\
@@ -416,6 +431,7 @@ MCServer : \
 		build/zutil.o\
 		build/iniFile.o\
 		build/cSocket.o\
+		build/cFluidSimulator.o\
 		build/cWaterSimulator.o\
 		build/cLavaSimulator.o\
 		build/cFileFormatUpdater.o\
@@ -462,6 +478,7 @@ clean :
 		build/cChestEntity.o\
 		build/cChunk.o\
 		build/cChunkMap.o\
+		build/cChunkGenerator.o\
 		build/cClientHandle.o\
 		build/cCraftingWindow.o\
 		build/cCriticalSection.o\
@@ -475,6 +492,9 @@ clean :
 		build/cInventory.o\
 		build/cLog.o\
 		build/cMonster.o\
+		build/cAggressiveMonster.o\
+		build/cPassiveMonster.o\
+		build/cPassiveAggressiveMonster.o\
 		build/cRedstone.o\
 		build/cPiston.o\
 		build/cPawn.o\
@@ -493,6 +513,7 @@ clean :
 		build/cWebPlugin.o\
 		build/cWindow.o\
 		build/cWorld.o\
+		build/cWorldGenerator.o\
 		build/main.o\
 		build/ManualBindings.o\
 		build/Matrix4f.o\
@@ -526,6 +547,7 @@ clean :
 		build/cPacket_Handshake.o\
 		build/cPacket_InventoryProgressBar.o\
 		build/cPacket_InventorySlot.o\
+		build/cPacket_ItemData.o\
 		build/cPacket_ItemSwitch.o\
 		build/cPacket_KeepAlive.o\
 		build/cPacket_Login.o\
@@ -534,6 +556,7 @@ clean :
 		build/cPacket_MultiBlock.o\
 		build/cPacket_NamedEntitySpawn.o\
 		build/cPacket_PickupSpawn.o\
+		build/cPacket_PlayerListItem.o\
 		build/cPacket_PlayerLook.o\
 		build/cPacket_PlayerMoveLook.o\
 		build/cPacket_PlayerPosition.o\
@@ -610,6 +633,7 @@ clean :
 		build/zutil.o\
 		build/iniFile.o\
 		build/cSocket.o\
+		build/cFluidSimulator.o\
 		build/cWaterSimulator.o\
 		build/cLavaSimulator.o\
 		build/cFileFormatUpdater.o\
@@ -673,6 +697,10 @@ build/cChunk.o : source/cChunk.cpp
 build/cChunkMap.o : source/cChunkMap.cpp
 	$(CC) $(CC_OPTIONS) source/cChunkMap.cpp -c $(INCLUDE) -o build/cChunkMap.o
 
+# Item # 10 -- cChunkGenerator --
+build/cChunkGenerator.o : source/cChunkGenerator.cpp
+	$(CC) $(CC_OPTIONS) source/cChunkGenerator.cpp -c $(INCLUDE) -o build/cChunkGenerator.o
+
 
 # Item # 11 -- cClientHandle --
 build/cClientHandle.o : source/cClientHandle.cpp
@@ -738,6 +766,18 @@ build/cLog.o : source/cLog.cpp
 build/cMonster.o : source/cMonster.cpp
 	$(CC) $(CC_OPTIONS) source/cMonster.cpp -c $(INCLUDE) -o build/cMonster.o
 
+# Item # 23 -- cAggressiveMonster --
+build/cAggressiveMonster.o : source/cAggressiveMonster.cpp
+	$(CC) $(CC_OPTIONS) source/cAggressiveMonster.cpp -c $(INCLUDE) -o build/cAggressiveMonster.o
+
+# Item # 23 -- cPassiveMonster --
+build/cPassiveMonster.o : source/cPassiveMonster.cpp
+	$(CC) $(CC_OPTIONS) source/cPassiveMonster.cpp -c $(INCLUDE) -o build/cPassiveMonster.o
+
+# Item # 23 -- cPassiveAgressiveMonster --
+build/cPassiveAggressiveMonster.o : source/cPassiveAggressiveMonster.cpp
+	$(CC) $(CC_OPTIONS) source/cPassiveAggressiveMonster.cpp -c $(INCLUDE) -o build/cPassiveAggressiveMonster.o
+
 
 # Item # 23 -- cRedstone --
 build/cRedstone.o : source/cRedstone.cpp
@@ -828,6 +868,10 @@ build/cWindow.o : source/cWindow.cpp
 build/cWorld.o : source/cWorld.cpp
 	$(CC) $(CC_OPTIONS) source/cWorld.cpp -c $(INCLUDE) -o build/cWorld.o
 
+# Item # 40 -- cWorldGenerator --
+build/cWorldGenerator.o : source/cWorldGenerator.cpp
+	$(CC) $(CC_OPTIONS) source/cWorldGenerator.cpp -c $(INCLUDE) -o build/cWorldGenerator.o
+
 
 # Item # 41 -- main --
 build/main.o : source/main.cpp
@@ -946,6 +990,9 @@ build/cPacket_InventoryProgressBar.o : source/packets/cPacket_InventoryProgressB
 build/cPacket_InventorySlot.o : source/packets/cPacket_InventorySlot.cpp
 	$(CC) $(CC_OPTIONS) source/packets/cPacket_InventorySlot.cpp -c $(INCLUDE) -o build/cPacket_InventorySlot.o
 
+build/cPacket_ItemData.o : source/packets/cPacket_ItemData.cpp
+	$(CC) $(CC_OPTIONS) source/packets/cPacket_ItemData.cpp -c $(INCLUDE) -o build/cPacket_ItemData.o
+
 build/cPacket_ItemSwitch.o : source/packets/cPacket_ItemSwitch.cpp
 	$(CC) $(CC_OPTIONS) source/packets/cPacket_ItemSwitch.cpp -c $(INCLUDE) -o build/cPacket_ItemSwitch.o
 
@@ -970,6 +1017,9 @@ build/cPacket_NamedEntitySpawn.o : source/packets/cPacket_NamedEntitySpawn.cpp
 build/cPacket_PickupSpawn.o : source/packets/cPacket_PickupSpawn.cpp
 	$(CC) $(CC_OPTIONS) source/packets/cPacket_PickupSpawn.cpp -c $(INCLUDE) -o build/cPacket_PickupSpawn.o
 
+build/cPacket_PlayerListItem.o : source/packets/cPacket_PlayerListItem.cpp
+	$(CC) $(CC_OPTIONS) source/packets/cPacket_PlayerListItem.cpp -c $(INCLUDE) -o build/cPacket_PlayerListItem.o
+
 build/cPacket_PlayerLook.o : source/packets/cPacket_PlayerLook.cpp
 	$(CC) $(CC_OPTIONS) source/packets/cPacket_PlayerLook.cpp -c $(INCLUDE) -o build/cPacket_PlayerLook.o
 
@@ -1398,6 +1448,9 @@ build/cMakeDir.o : source/cMakeDir.cpp
 build/cSocket.o : source/cSocket.cpp
 	$(CC) $(CC_OPTIONS) source/cSocket.cpp -c $(INCLUDE) -o build/cSocket.o	
 
+build/cFluidSimulator.o : source/cFluidSimulator.cpp
+	$(CC) $(CC_OPTIONS) source/cFluidSimulator.cpp -c $(INCLUDE) -o build/cFluidSimulator.o
+
 build/cWaterSimulator.o : source/cWaterSimulator.cpp
 	$(CC) $(CC_OPTIONS) source/cWaterSimulator.cpp -c $(INCLUDE) -o build/cWaterSimulator.o	
 
diff --git a/source/MersenneTwister.h b/source/MersenneTwister.h
index 18f34edde..e87fe0f9b 100644
--- a/source/MersenneTwister.h
+++ b/source/MersenneTwister.h
@@ -63,7 +63,7 @@
 class MTRand {

 // Data

 public:

-	typedef unsigned long uint32;  // unsigned integer type, at least 32 bits

+	typedef long uint32;  // unsigned integer type, at least 32 bits

 	

 	enum { N = 624 };       // length of state vector

 	enum { SAVE = N + 1 };  // length of array for save()

diff --git a/source/cAggressiveMonster.cpp b/source/cAggressiveMonster.cpp
index ff8dc72c1..d52c1c19a 100644
--- a/source/cAggressiveMonster.cpp
+++ b/source/cAggressiveMonster.cpp
@@ -2,6 +2,7 @@
 

 #include "Vector3f.h"

 #include "cPlayer.h"

+#include "MersenneTwister.h"

 

 

 cAggressiveMonster::cAggressiveMonster()

@@ -58,7 +59,8 @@ void cAggressiveMonster::Tick(float a_Dt)
 

 	if(m_SeePlayerInterval > 1)

 	{

-		int rem = rand() % 3 + 1; //check most of the time but miss occasionally

+		MTRand r1;

+		int rem = r1.randInt() % 3 + 1; //check most of the time but miss occasionally

 

 		m_SeePlayerInterval = 0.0;

 		if(rem >= 2)

diff --git a/source/cBlockToPickup.cpp b/source/cBlockToPickup.cpp
index fb7a898ae..531c9601e 100644
--- a/source/cBlockToPickup.cpp
+++ b/source/cBlockToPickup.cpp
@@ -2,9 +2,11 @@
 #include "Defines.h"

 #include "BlockID.h"

 #include "stdlib.h"

+#include "MersenneTwister.h"

 

 ENUM_ITEM_ID cBlockToPickup::ToPickup( unsigned char a_BlockID, ENUM_ITEM_ID a_UsedItemID )

 {

+	MTRand r1;

 	(void)a_UsedItemID;

 

 	switch( a_BlockID )

@@ -28,7 +30,7 @@ ENUM_ITEM_ID cBlockToPickup::ToPickup( unsigned char a_BlockID, ENUM_ITEM_ID a_U
 		if( a_UsedItemID == E_ITEM_SHEARS )

 			return E_ITEM_LEAVES;

 		else

-			if(rand() % 5 == 0) return E_ITEM_SAPLING;

+			if(r1.randInt() % 5 == 0) return E_ITEM_SAPLING;

 		return E_ITEM_EMPTY;

 	case E_BLOCK_COAL_ORE:

 		return E_ITEM_COAL;

@@ -67,17 +69,18 @@ ENUM_ITEM_ID cBlockToPickup::ToPickup( unsigned char a_BlockID, ENUM_ITEM_ID a_U
 

 char cBlockToPickup::PickupCount(unsigned char a_BlockID)

 {

+	MTRand r1;

 	switch(a_BlockID)

 	{

 	case E_BLOCK_REDSTONE_ORE_GLOWING:

 	case E_BLOCK_REDSTONE_ORE:

-		return rand() % 2 + 4;

+		return r1.randInt() % 2 + 4;

 	case E_BLOCK_GLOWSTONE:

-		return rand() % 3 + 2;

+		return r1.randInt() % 3 + 2;

 	case E_BLOCK_MELON:

-		return rand() % 8 + 3;

+		return r1.randInt() % 8 + 3;

 	case E_BLOCK_LAPIS_ORE:

-		return rand() % 5 + 4;

+		return r1.randInt() % 5 + 4;

 	default:

 		return 1;

 	}

diff --git a/source/cChunk.cpp b/source/cChunk.cpp
index 30f6d839f..4eeb5c5b8 100644
--- a/source/cChunk.cpp
+++ b/source/cChunk.cpp
@@ -30,6 +30,7 @@
 #include "cCriticalSection.h"

 #include "cWorldGenerator.h"

 #include "cBlockToPickup.h"

+#include "MersenneTwister.h"

 

 #include "packets/cPacket_DestroyEntity.h"

 #include "packets/cPacket_PreChunk.h"

@@ -333,11 +334,11 @@ void cChunk::Tick(float a_Dt)
 			break;

 		};

 	}

-

+	MTRand r1;

 	// Tick dem blocks

-	int RandomX = rand();

-	int RandomY = rand();

-	int RandomZ = rand();

+	int RandomX = r1.randInt();

+	int RandomY = r1.randInt();

+	int RandomZ = r1.randInt();

 

 	for(int i = 0; i < 50; i++)

 	{

diff --git a/source/cChunk.h b/source/cChunk.h
index b794f4153..5bb64697d 100644
--- a/source/cChunk.h
+++ b/source/cChunk.h
@@ -82,7 +82,7 @@ public:
 	void AddTickBlockEntity( cFurnaceEntity* a_Entity );

 	void RemoveTickBlockEntity( cFurnaceEntity* a_Entity );

 

-	inline static unsigned int cChunk::MakeIndex(int x, int y, int z )

+	inline static unsigned int MakeIndex(int x, int y, int z )

 	{

 		if( x < 16 && x > -1 && y < 128 && y > -1 && z < 16 && z > -1 )

 			return y + (z * 128) + (x * 128 * 16);

diff --git a/source/cClientHandle.cpp b/source/cClientHandle.cpp
index 00e81c416..1182e2e58 100644
--- a/source/cClientHandle.cpp
+++ b/source/cClientHandle.cpp
@@ -70,7 +70,6 @@
 

 #ifndef _WIN32

 #define sprintf_s(dst, size, format, ...) sprintf(dst, format, __VA_ARGS__ )

-#include <stdlib.h> // rand()

 #endif

 

 #define AddPistonDir( x, y, z, dir, amount ) switch(dir) { case 0: (y)-=(amount); break; case 1: (y)+=(amount); break;\

@@ -84,7 +83,7 @@ typedef std::list<cPacket*> PacketList;
 struct cClientHandle::sClientHandleState

 {

 	sClientHandleState()

-		: ProtocolVersion( 0 )

+		: ProtocolVersion( 22 )

 		, pReceiveThread( 0 )

 		, pSendThread( 0 )

 		, pAuthenticateThread( 0 )

@@ -458,6 +457,10 @@ void cClientHandle::HandlePacket( cPacket* a_Packet )
 			{

 				LOG("LOGIN %s", GetUsername() );

 				cPacket_Login* PacketData = reinterpret_cast<cPacket_Login*>(a_Packet);

+				if (PacketData->m_ProtocolVersion != m_pState->ProtocolVersion) {

+					Kick("Your client is outdated!");

+					return;

+				}

 				if( m_pState->Username.compare( PacketData->m_Username ) != 0 )

 				{

 					Kick("Login Username does not match Handshake username!");

@@ -1243,9 +1246,10 @@ void cClientHandle::Tick(float a_Dt)
 		LoginResponse.m_ProtocolVersion = m_Player->GetUniqueID();

 		//LoginResponse.m_Username = "";

 		LoginResponse.m_ServerMode = m_Player->GetGameMode(); //set gamemode from player.

-		LoginResponse.m_MapSeed = 0;

+		LoginResponse.m_MapSeed = cRoot::Get()->GetWorld()->GetWorldSeed();

 		LoginResponse.m_Dimension = 0;

 		LoginResponse.m_MaxPlayers = (unsigned char)cRoot::Get()->GetWorld()->GetMaxPlayers();

+		LoginResponse.m_Difficulty = 2;

 		Send( LoginResponse );

 

 		// Send Weather if raining:

diff --git a/source/cMonster.cpp b/source/cMonster.cpp
index 18afcf8b0..217cd5367 100644
--- a/source/cMonster.cpp
+++ b/source/cMonster.cpp
@@ -11,6 +11,7 @@
 #include "cPickup.h"

 #include "cItem.h"

 #include "cMonsterConfig.h"

+#include "MersenneTwister.h"

 

 #include "packets/cPacket_SpawnMob.h"

 #include "packets/cPacket_EntityLook.h"

@@ -64,7 +65,8 @@ cMonster::cMonster()
 	LOG("In state: %s",GetState());

 	m_Health = 10;

 

-	int RandVal = rand() % 4;

+	MTRand r1;

+	int RandVal = r1.randInt() % 4;

 	if( RandVal == 0 )

 		m_MobType = 90; // Pig

 	else if( RandVal == 1 )

@@ -418,12 +420,13 @@ void cMonster::EventLosePlayer(){
 void cMonster::InStateIdle(float a_Dt) {

 	idle_interval += a_Dt;

 	if(idle_interval > 1) { //at this interval the results are predictable

-		int rem = rand()%6 + 1;

+		MTRand r1;

+		int rem = r1.randInt()%6 + 1;

 		//LOG("Moving: int: %3.3f rem: %i",idle_interval,rem);

 		idle_interval = 0;

 		Vector3f Dist;

-		Dist.x = (float)((rand()%11)-5);

-		Dist.z = (float)((rand()%11)-5);

+		Dist.x = (float)((r1.randInt()%11)-5);

+		Dist.z = (float)((r1.randInt()%11)-5);

 		if( Dist.SqrLength() > 2  && rem >= 3)

 		{

 			m_Destination->x = (float)(m_Pos->x + Dist.x);

@@ -581,5 +584,6 @@ void cMonster::DropItem(ENUM_ITEM_ID a_Item, unsigned int a_Count)
 

 void cMonster::RandomDropItem(ENUM_ITEM_ID a_Item, unsigned int a_Min, unsigned int a_Max)

 {

-	return cMonster::DropItem(a_Item, rand() % (a_Max + 1) + a_Min);

+	MTRand r1;

+	return cMonster::DropItem(a_Item, r1.randInt() % (a_Max + 1) + a_Min);

 }
\ No newline at end of file
diff --git a/source/cMonster.h b/source/cMonster.h
index 2b05c871d..6523c2e52 100644
--- a/source/cMonster.h
+++ b/source/cMonster.h
@@ -3,6 +3,7 @@
 #include "Defines.h"

 #include "cWorld.h"

 #include "BlockID.h"

+#include <string.h>

 

 class Vector3f;

 class cClientHandle;

diff --git a/source/cPassiveMonster.cpp b/source/cPassiveMonster.cpp
index bbfbc83ed..1f11484ef 100644
--- a/source/cPassiveMonster.cpp
+++ b/source/cPassiveMonster.cpp
@@ -1,4 +1,5 @@
 #include "cPassiveMonster.h"

+#include "MersenneTwister.h"

 

 

 cPassiveMonster::cPassiveMonster()

@@ -24,7 +25,8 @@ void cPassiveMonster::Tick(float a_Dt)
 

 	if(m_SeePlayerInterval > 1)

 	{

-		int rem = rand() % 3 + 1; //check most of the time but miss occasionally

+		MTRand r1;

+		int rem = r1.randInt() % 3 + 1; //check most of the time but miss occasionally

 

 		m_SeePlayerInterval = 0.0;

 		if(rem >= 2) {

diff --git a/source/cPlayer.cpp b/source/cPlayer.cpp
index 41bb24945..5fe31c8c9 100644
--- a/source/cPlayer.cpp
+++ b/source/cPlayer.cpp
@@ -17,6 +17,7 @@
 #include "cRoot.h"

 #include "cMakeDir.h"

 #include "cTimer.h"

+#include "MersenneTwister.h"

 

 #include "packets/cPacket_NamedEntitySpawn.h"

 #include "packets/cPacket_EntityLook.h"

@@ -375,15 +376,16 @@ void cPlayer::KilledBy( cEntity* a_Killer )
 

 	m_bVisible = false; // So new clients don't see the player

 

+	MTRand r1;

 	// Puke out all the items

 	cItem* Items = m_Inventory->GetSlots();

 	for( unsigned int i = 1; i < m_Inventory->c_NumSlots; ++i )

 	{

 		if( !Items[i].IsEmpty() )

 		{

-			float SpeedX = ((rand()%1000)-500)	/100.f;

-			float SpeedY = ((rand()%1000))		/100.f;

-			float SpeedZ = ((rand()%1000)-500)	/100.f;

+			float SpeedX = ((r1.randInt()%1000)-500)	/100.f;

+			float SpeedY = ((r1.randInt()%1000))		/100.f;

+			float SpeedZ = ((r1.randInt()%1000)-500)	/100.f;

 			cPickup* Pickup = new cPickup( (int)(m_Pos->x*32), (int)(m_Pos->y*32), (int)(m_Pos->z*32), Items[i], SpeedX, SpeedY, SpeedZ );

 			Pickup->Initialize( GetWorld() );

 		}

diff --git a/source/cWindow.h b/source/cWindow.h
index d2726d171..1cc44d138 100644
--- a/source/cWindow.h
+++ b/source/cWindow.h
@@ -18,7 +18,7 @@ public:
 	int GetWindowID() { return m_WindowID; }

 	void SetWindowID( int a_WindowID ) { m_WindowID = a_WindowID; }

 	

-	static enum WindowType {

+	enum WindowType {

 		Chest,

 		Workbench,

 		Furnace,

diff --git a/source/cWorld.cpp b/source/cWorld.cpp
index 1dc4de6ac..382744e43 100644
--- a/source/cWorld.cpp
+++ b/source/cWorld.cpp
@@ -34,6 +34,7 @@
 #include "cGenSettings.h"

 #include "cMakeDir.h"

 #include "cChunkGenerator.h"

+#include "MersenneTwister.h"

 

 

 #include "packets/cPacket_TimeUpdate.h"

@@ -65,7 +66,8 @@ bool g_BlockPistonBreakable[128];
 #define RECI_RAND_MAX (1.f/RAND_MAX)

 inline float fRadRand( float a_Radius )

 {

-	return ((float)rand() * RECI_RAND_MAX)*a_Radius - a_Radius*0.5f;

+	MTRand r1;

+	return ((float)r1.rand() * RECI_RAND_MAX)*a_Radius - a_Radius*0.5f;

 }

 

 struct sSetBlockData

@@ -141,11 +143,11 @@ cWorld::cWorld( const char* a_WorldName )
 

 	cMakeDir::MakeDir(m_pState->WorldName.c_str());

 

-	srand( (unsigned int) time(0) );

-	m_SpawnX = (double)((rand()%1000)-500);

+	MTRand r1;

+	m_SpawnX = (double)((r1.randInt()%1000)-500);

 	m_SpawnY = 128;

-	m_SpawnZ = (double)((rand()%1000)-500);

-	m_WorldSeed = rand();

+	m_SpawnZ = (double)((r1.randInt()%1000)-500);

+	m_WorldSeed = r1.randInt();

 	m_GameMode = 0;

 

 	cIniFile IniFile( m_pState->WorldName + "/world.ini");

@@ -411,11 +413,12 @@ void cWorld::Tick(float a_Dt)
 		m_LavaSimulator->Simulate(a_Dt);

 	UnlockChunks();

 

+	MTRand r1;

 

 ////////////////Weather///////////////////////

 	if ( GetWeather() == 0 ) { //if sunny

 		if( CurrentTick % 19 == 0 ) { //every 20 ticks random weather

-			randWeather = (rand() %10000);

+			randWeather = (r1.randInt() %10000);

 			if (randWeather == 0) {

 				LOG("Starting Rainstorm!");

 				SetWeather ( 1 );

@@ -428,7 +431,7 @@ void cWorld::Tick(float a_Dt)
 

 	if ( GetWeather() != 0 ) { //if raining or thunderstorm

 		if( CurrentTick % 19 == 0 ) { //every 20 ticks random weather

-			randWeather = (rand() %4999);

+			randWeather = (r1.randInt() %4999);

 			if (randWeather == 0) { //2% chance per second

 				LOG("Back to sunny!");

 				SetWeather ( 0 );

@@ -440,7 +443,7 @@ void cWorld::Tick(float a_Dt)
 	}

 

 	if ( GetWeather() == 2 ) { //if thunderstorm

-		if (rand() %199 == 0) { //0.5% chance per tick of thunderbolt

+		if (r1.randInt() %199 == 0) { //0.5% chance per tick of thunderbolt

 			CastThunderbolt ( 0, 0, 0 ); //todo: find random possitions near players to cast thunderbolts.

 		}

 	}

@@ -480,17 +483,17 @@ void cWorld::Tick(float a_Dt)
 			cMonster	*Monster = 0;

 

 			//srand ( time(NULL) );			// Only seed random ONCE! Is already done in the cWorld constructor

-			int dayRand   = rand() % 6;  //added mob code

-			int nightRand = rand() % 10; //added mob code

+			int dayRand   = r1.randInt() % 6;  //added mob code

+			int nightRand = r1.randInt() % 10; //added mob code

 

-			int RandomPlayerIdx = rand() & m_pState->Players.size();

+			int RandomPlayerIdx = r1.randInt() & m_pState->Players.size();

 			PlayerList::iterator itr = m_pState->Players.begin();

 			for( int i = 1; i < RandomPlayerIdx; i++ )

 				itr++;

 

 			cPlayer* Player = *itr;

 			Vector3d SpawnPos = Player->GetPosition();

-			SpawnPos += Vector3d( (double)(rand()%64)-32, (double)(rand()%64)-32, (double)(rand()%64)-32 );

+			SpawnPos += Vector3d( (double)(r1.randInt()%64)-32, (double)(r1.randInt()%64)-32, (double)(r1.randInt()%64)-32 );

 			char Height = GetHeight( (int)SpawnPos.x, (int)SpawnPos.z );

 

 			if(m_WorldTime >= 12000 + 1000) {

@@ -581,7 +584,8 @@ void cWorld::GrowTree( int a_X, int a_Y, int a_Z )
 	// converted from php to lua then lua to c++

 

 	// build trunk

-	int trunk = rand() % (7 - 5 + 1) + 5;

+	MTRand r1;

+	int trunk = r1.randInt() % (7 - 5 + 1) + 5;

 	for (int i = 0; i < trunk; i++) 

 	{

 		if( GetBlock( a_X, a_Y + i, a_Z ) == E_BLOCK_AIR )

@@ -598,7 +602,7 @@ void cWorld::GrowTree( int a_X, int a_Y, int a_Z )
 			for (int i = a_X - radius; i <= a_X + radius; i++) {

 				for (int k = a_Z-radius; k <= a_Z + radius; k++) {

 					// small chance to be missing a block to add a little random

-					if (k != a_Z || i != a_X && (rand() % 100 + 1) > 20) {

+					if (k != a_Z || i != a_X && (r1.randInt() % 100 + 1) > 20) {

 						if( GetBlock( i, a_Y + j, k ) == E_BLOCK_AIR )

 							FastSetBlock(i, a_Y+j, k, E_BLOCK_LEAVES, 0 );

 					}

diff --git a/source/cWorld.h b/source/cWorld.h
index 1e3e1b5a2..ec30db956 100644
--- a/source/cWorld.h
+++ b/source/cWorld.h
@@ -10,6 +10,7 @@ enum ENUM_ITEM_ID;
 

 #include <list>

 #include <vector>

+#include <string>

 

 class cPacket;

 class cRedstone;

diff --git a/source/cWorldGenerator.cpp b/source/cWorldGenerator.cpp
index f07f5f791..b4291ddb0 100644
--- a/source/cWorldGenerator.cpp
+++ b/source/cWorldGenerator.cpp
@@ -3,6 +3,7 @@
 #include "cWorld.h"

 #include "cChunk.h"

 #include "cGenSettings.h"

+#include "MersenneTwister.h"

 

 #include "BlockID.h"

 #include "Vector3i.h"

@@ -205,7 +206,7 @@ void cWorldGenerator::GenerateFoliage( cChunk* a_Chunk )
 				BlockType[ index ] = (char)GrassID;

 			}

 

-

+			MTRand r1;

 			// Plant sum trees

 			{

 				int xx = x + PosX*16;

@@ -215,10 +216,10 @@ void cWorldGenerator::GenerateFoliage( cChunk* a_Chunk )
 				float val2 = m_Noise.CubicNoise2D( xx*0.01f, zz*0.01f );

 				if( BlockType[index] == SandID )

 				{

-					if( (val1 + val2 > 0.f) && (rand()%128) > 124 && BlockType[index] == E_BLOCK_SAND )

+					if( (val1 + val2 > 0.f) && (r1.randInt()%128) > 124 && BlockType[index] == E_BLOCK_SAND )

 					{

 						BlockType[ cChunk::MakeIndex(x, TopY+1, z) ] = E_BLOCK_CACTUS;

-						if( (rand() & 3) == 3 )

+						if( (r1.randInt() & 3) == 3 )

 						{

 							BlockType[ cChunk::MakeIndex(x, TopY+2, z) ] = E_BLOCK_CACTUS;

 						}

@@ -229,15 +230,15 @@ void cWorldGenerator::GenerateFoliage( cChunk* a_Chunk )
 				{

 					float val3 = m_Noise.CubicNoise2D( xx*0.01f+10, zz*0.01f+10 );

 					float val4 = m_Noise.CubicNoise2D( xx*0.05f+20, zz*0.05f+20 );

-					if( val1 + val2 > 0.2f && (rand()%128) > 124 )

+					if( val1 + val2 > 0.2f && (r1.randInt()%128) > 124 )

 						World->GrowTree( xx, TopY, zz );

-					else if( val3 > 0.2f && (rand()%128) > 124 )

+					else if( val3 > 0.2f && (r1.randInt()%128) > 124 )

 						BlockType[ cChunk::MakeIndex(x, TopY+1, z) ] = E_BLOCK_YELLOW_FLOWER;

-					else if( val4 > 0.2f && (rand()%128) > 124 )

+					else if( val4 > 0.2f && (r1.randInt()%128) > 124 )

 						BlockType[ cChunk::MakeIndex(x, TopY+1, z) ] = E_BLOCK_RED_ROSE;

-					else if( val1+val2+val3+val4 > 0.2f && (rand()%128) > 124 )

+					else if( val1+val2+val3+val4 > 0.2f && (r1.randInt()%128) > 124 )

 						BlockType[ cChunk::MakeIndex(x, TopY+1, z) ] = E_BLOCK_RED_MUSHROOM;

-					else if( val1+val2+val3+val4 > 0.2f && (rand()%128) > 124 )

+					else if( val1+val2+val3+val4 > 0.2f && (r1.randInt()%128) > 124 )

 						BlockType[ cChunk::MakeIndex(x, TopY+1, z) ] = E_BLOCK_BROWN_MUSHROOM;

 				}

 			}