17 files changed, 340 insertions, 71 deletions

diff --git a/VC2010/MCServer.vcxproj b/VC2010/MCServer.vcxproj
index 2317408a1..abaa6a623 100644
--- a/VC2010/MCServer.vcxproj
+++ b/VC2010/MCServer.vcxproj
@@ -257,11 +257,14 @@
     <ClCompile Include="..\source\cRedstone.cpp" />

     <ClCompile Include="..\Source\cReferenceManager.cpp" />

     <ClCompile Include="..\Source\cRoot.cpp" />

+    <ClCompile Include="..\source\cSandSimulator.cpp" />

     <ClCompile Include="..\Source\cSemaphore.cpp" />

     <ClCompile Include="..\source\cServer.cpp" />

     <ClCompile Include="..\source\cSheep.cpp" />

     <ClCompile Include="..\Source\cSignEntity.cpp" />

     <ClCompile Include="..\source\cSilverfish.cpp" />

+    <ClCompile Include="..\source\cSimulator.cpp" />

+    <ClCompile Include="..\source\cSimulatorManager.cpp" />

     <ClCompile Include="..\source\cSkeleton.cpp" />

     <ClCompile Include="..\source\cSleep.cpp" />

     <ClCompile Include="..\source\cSlime.cpp" />

@@ -399,12 +402,15 @@
     <ClInclude Include="..\source\cRedstone.h" />

     <ClInclude Include="..\Source\cReferenceManager.h" />

     <ClInclude Include="..\Source\cRoot.h" />

+    <ClInclude Include="..\source\cSandSimulator.h" />

     <ClInclude Include="..\Source\cSemaphore.h" />

     <ClInclude Include="..\source\cServer.h" />

     <ClInclude Include="..\source\cSheep.h" />

     <ClInclude Include="..\Source\cSign.h" />

     <ClInclude Include="..\Source\cSignEntity.h" />

     <ClInclude Include="..\source\cSilverfish.h" />

+    <ClInclude Include="..\source\cSimulator.h" />

+    <ClInclude Include="..\source\cSimulatorManager.h" />

     <ClInclude Include="..\source\cSkeleton.h" />

     <ClInclude Include="..\source\cSleep.h" />

     <ClInclude Include="..\source\cSlime.h" />

diff --git a/VC2010/MCServer.vcxproj.filters b/VC2010/MCServer.vcxproj.filters
index 1b3cb6ab9..f9d9a9e93 100644
--- a/VC2010/MCServer.vcxproj.filters
+++ b/VC2010/MCServer.vcxproj.filters
@@ -397,15 +397,6 @@
     <Filter Include="cChunkGenerator">

       <UniqueIdentifier>{0d6f822b-71eb-406f-b17a-d188c4924283}</UniqueIdentifier>

     </Filter>

-    <Filter Include="cFluidSimulator">

-      <UniqueIdentifier>{6f92474b-e2a5-4685-abf1-053b09dbc4f1}</UniqueIdentifier>

-    </Filter>

-    <Filter Include="cFluidSimulator\cWaterSimulator">

-      <UniqueIdentifier>{02fd457d-3735-4f4b-aaf2-f7701a7ee7bc}</UniqueIdentifier>

-    </Filter>

-    <Filter Include="cFluidSimulator\cLavaSimulator">

-      <UniqueIdentifier>{b0401fd9-4021-4ab7-bf61-c8de112b4196}</UniqueIdentifier>

-    </Filter>

     <Filter Include="cEntity\cPawn\cMonster\Personalities">

       <UniqueIdentifier>{b0f7c883-e2ca-4bba-89e3-c36656c3de39}</UniqueIdentifier>

     </Filter>

@@ -424,6 +415,21 @@
     <Filter Include="cWorldGenerator">

       <UniqueIdentifier>{72727ea7-779f-439e-8f30-53bd6985c9e7}</UniqueIdentifier>

     </Filter>

+    <Filter Include="cSimulator">

+      <UniqueIdentifier>{0c205a99-5597-4a79-81d1-5b2f882aecf2}</UniqueIdentifier>

+    </Filter>

+    <Filter Include="cSimulator\cFluidSimulator">

+      <UniqueIdentifier>{6f92474b-e2a5-4685-abf1-053b09dbc4f1}</UniqueIdentifier>

+    </Filter>

+    <Filter Include="cSimulator\cFluidSimulator\cWaterSimulator">

+      <UniqueIdentifier>{02fd457d-3735-4f4b-aaf2-f7701a7ee7bc}</UniqueIdentifier>

+    </Filter>

+    <Filter Include="cSimulator\cFluidSimulator\cLavaSimulator">

+      <UniqueIdentifier>{b0401fd9-4021-4ab7-bf61-c8de112b4196}</UniqueIdentifier>

+    </Filter>

+    <Filter Include="cSimulator\SandSimulator">

+      <UniqueIdentifier>{b3ebe846-5722-43f3-af56-e874e8fef7a5}</UniqueIdentifier>

+    </Filter>

   </ItemGroup>

   <ItemGroup>

     <ClCompile Include="..\source\cServer.cpp">

@@ -746,7 +752,7 @@
       <Filter>Packets\cPacket_EntityStatus</Filter>

     </ClCompile>

     <ClCompile Include="..\source\cWaterSimulator.cpp">

-      <Filter>cFluidSimulator\cWaterSimulator</Filter>

+      <Filter>cSimulator\cFluidSimulator\cWaterSimulator</Filter>

     </ClCompile>

     <ClCompile Include="..\source\cSocket.cpp">

       <Filter>Threading\cSocket</Filter>

@@ -809,7 +815,7 @@
       <Filter>cPiston</Filter>

     </ClCompile>

     <ClCompile Include="..\source\cLavaSimulator.cpp">

-      <Filter>cFluidSimulator\cLavaSimulator</Filter>

+      <Filter>cSimulator\cFluidSimulator\cLavaSimulator</Filter>

     </ClCompile>

     <ClCompile Include="..\source\SquirrelBindings.cpp">

       <Filter>LuaBindings\SquirrelBindings</Filter>

@@ -830,7 +836,7 @@
       <Filter>cChunkGenerator</Filter>

     </ClCompile>

     <ClCompile Include="..\source\cFluidSimulator.cpp">

-      <Filter>cFluidSimulator</Filter>

+      <Filter>cSimulator\cFluidSimulator</Filter>

     </ClCompile>

     <ClCompile Include="..\source\cAggressiveMonster.cpp">

       <Filter>cEntity\cPawn\cMonster\Personalities\Aggressive</Filter>

@@ -847,6 +853,15 @@
     <ClCompile Include="..\source\cWorldGenerator.cpp">

       <Filter>cWorldGenerator</Filter>

     </ClCompile>

+    <ClCompile Include="..\source\cSimulator.cpp">

+      <Filter>cSimulator</Filter>

+    </ClCompile>

+    <ClCompile Include="..\source\cSandSimulator.cpp">

+      <Filter>cSimulator\SandSimulator</Filter>

+    </ClCompile>

+    <ClCompile Include="..\source\cSimulatorManager.cpp">

+      <Filter>cSimulator</Filter>

+    </ClCompile>

   </ItemGroup>

   <ItemGroup>

     <ClInclude Include="..\source\cServer.h">

@@ -1201,7 +1216,7 @@
       <Filter>Packets\cPacket_EntityStatus</Filter>

     </ClInclude>

     <ClInclude Include="..\source\cWaterSimulator.h">

-      <Filter>cFluidSimulator\cWaterSimulator</Filter>

+      <Filter>cSimulator\cFluidSimulator\cWaterSimulator</Filter>

     </ClInclude>

     <ClInclude Include="..\source\cSocket.h">

       <Filter>Threading\cSocket</Filter>

@@ -1267,7 +1282,7 @@
       <Filter>cPiston</Filter>

     </ClInclude>

     <ClInclude Include="..\source\cLavaSimulator.h">

-      <Filter>cFluidSimulator\cLavaSimulator</Filter>

+      <Filter>cSimulator\cFluidSimulator\cLavaSimulator</Filter>

     </ClInclude>

     <ClInclude Include="..\source\SquirrelBindings.h">

       <Filter>LuaBindings\SquirrelBindings</Filter>

@@ -1288,7 +1303,7 @@
       <Filter>cChunkGenerator</Filter>

     </ClInclude>

     <ClInclude Include="..\source\cFluidSimulator.h">

-      <Filter>cFluidSimulator</Filter>

+      <Filter>cSimulator\cFluidSimulator</Filter>

     </ClInclude>

     <ClInclude Include="..\source\cAggressiveMonster.h">

       <Filter>cEntity\cPawn\cMonster\Personalities\Aggressive</Filter>

@@ -1305,6 +1320,15 @@
     <ClInclude Include="..\source\cWorldGenerator.h">

       <Filter>cWorldGenerator</Filter>

     </ClInclude>

+    <ClInclude Include="..\source\cSimulator.h">

+      <Filter>cSimulator</Filter>

+    </ClInclude>

+    <ClInclude Include="..\source\cSandSimulator.h">

+      <Filter>cSimulator\SandSimulator</Filter>

+    </ClInclude>

+    <ClInclude Include="..\source\cSimulatorManager.h">

+      <Filter>cSimulator</Filter>

+    </ClInclude>

   </ItemGroup>

   <ItemGroup>

     <None Include="..\source\AllToLua.pkg">

diff --git a/makefile b/makefile
index ddd3d42c6..50c638883 100644
--- a/makefile
+++ b/makefile
@@ -232,6 +232,9 @@ MCServer : \
 		build/zutil.o\
 		build/iniFile.o\
 		build/cSocket.o\
+		build/cSimulator.o\
+		build/cSimulatorManager.o\
+		build/cSandSimulator.o\
 		build/cFluidSimulator.o\
 		build/cWaterSimulator.o\
 		build/cLavaSimulator.o\
@@ -431,6 +434,9 @@ MCServer : \
 		build/zutil.o\
 		build/iniFile.o\
 		build/cSocket.o\
+		build/cSimulator.o\
+		build/cSimulatorManager.o\
+		build/cSandSimulator.o\
 		build/cFluidSimulator.o\
 		build/cWaterSimulator.o\
 		build/cLavaSimulator.o\
@@ -633,6 +639,9 @@ clean :
 		build/zutil.o\
 		build/iniFile.o\
 		build/cSocket.o\
+		build/cSimulator.o\
+		build/cSimulatorManager.o\
+		build/cSandSimulator.o\
 		build/cFluidSimulator.o\
 		build/cWaterSimulator.o\
 		build/cLavaSimulator.o\
@@ -1447,6 +1456,15 @@ 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/cSimulator.o : source/cSimulator.cpp
+	$(CC) $(CC_OPTIONS) source/cSimulator.cpp -c $(INCLUDE) -o build/cSimulator.o
+	
+build/cSimulatorManager.o : source/cSimulatorManager.cpp
+	$(CC) $(CC_OPTIONS) source/cSimulatorManager.cpp -c $(INCLUDE) -o build/cSimulatorManager.o
+	
+build/cSandSimulator.o : source/cSandSimulator.cpp
+	$(CC) $(CC_OPTIONS) source/cSandSimulator.cpp -c $(INCLUDE) -o build/cSandSimulator.o
 
 build/cFluidSimulator.o : source/cFluidSimulator.cpp
 	$(CC) $(CC_OPTIONS) source/cFluidSimulator.cpp -c $(INCLUDE) -o build/cFluidSimulator.o
@@ -1463,5 +1481,4 @@ build/cFileFormatUpdater.o : source/cFileFormatUpdater.cpp
 build/cItem.o : source/cItem.cpp
 	$(CC) $(CC_OPTIONS) source/cItem.cpp -c $(INCLUDE) -o build/cItem.o	
 
-
 ##### END RUN ####
diff --git a/source/cChunk.cpp b/source/cChunk.cpp
index 4eeb5c5b8..e0322dc91 100644
--- a/source/cChunk.cpp
+++ b/source/cChunk.cpp
@@ -257,8 +257,7 @@ void cChunk::Tick(float a_Dt)
 					int wX, wY, wZ;

 					PositionToWorldPosition(X, Y, Z, wX, wY, wZ);

 

-					m_World->GetWaterSimulator()->WakeUp( wX, wY, wZ );

-					m_World->GetLavaSimulator()->WakeUp( wX, wY, wZ );

+					m_World->GetSimulatorManager()->WakeUp(wX, wY, wZ);

 					if (isRedstone) {

 						cRedstone Redstone(m_World);

 						Redstone.ChangeRedstone( (X+m_PosX*16), (Y+m_PosY*16), (Z+m_PosZ*16), false );

@@ -306,30 +305,6 @@ void cChunk::Tick(float a_Dt)
 				}

 			}

 			break;

-		case E_BLOCK_STATIONARY_WATER:

-		case E_BLOCK_WATER:

-			

-			break;

-		case E_BLOCK_GRAVEL:

-		case E_BLOCK_SAND:

-			{

-				char BottomBlock = GetBlock( X, Y-1, Z );

-				if( BottomBlock == E_BLOCK_AIR || IsBlockWater(BottomBlock) || IsBlockLava(BottomBlock) )

-				{

-					SetBlock( X, Y, Z, E_BLOCK_AIR, 0 );

-					SetBlock( X, Y-1, Z, BlockID, 0 );

-					

-					int wX, wY, wZ;

-

-					PositionToWorldPosition(X, Y, Z, wX, wY, wZ);

-

-					m_World->GetWaterSimulator()->WakeUp( wX, wY, wZ );

-					m_World->GetLavaSimulator()->WakeUp( wX, wY, wZ );

-					m_World->GetWaterSimulator()->WakeUp( wX, wY - 1, wZ );

-					m_World->GetLavaSimulator()->WakeUp( wX, wY - 1, wZ );

-				}

-			}

-			break;

 		default:

 			break;

 		};

diff --git a/source/cFluidSimulator.cpp b/source/cFluidSimulator.cpp
index 6eb5dbb0a..2ede7ba49 100644
--- a/source/cFluidSimulator.cpp
+++ b/source/cFluidSimulator.cpp
@@ -72,7 +72,7 @@ public:
 };

 

 cFluidSimulator::cFluidSimulator( cWorld* a_World )

-	: m_World(a_World)

+	: cSimulator(a_World)

 	, m_Data(0)

 {

 	m_Data = new FluidData(a_World, this);

@@ -80,17 +80,7 @@ cFluidSimulator::cFluidSimulator( cWorld* a_World )
 

 cFluidSimulator::~cFluidSimulator()

 {

-}

-

-void cFluidSimulator::WakeUp( int a_X, int a_Y, int a_Z )

-{

-	AddBlock( a_X, a_Y, a_Z );

-	AddBlock( a_X-1, a_Y, a_Z );

-	AddBlock( a_X+1, a_Y, a_Z );

-	AddBlock( a_X, a_Y-1, a_Z );

-	AddBlock( a_X, a_Y+1, a_Z );

-	AddBlock( a_X, a_Y, a_Z-1 );

-	AddBlock( a_X, a_Y, a_Z+1 );

+	delete m_Data;

 }

 

 void cFluidSimulator::AddBlock( int a_X, int a_Y, int a_Z )

@@ -99,8 +89,8 @@ void cFluidSimulator::AddBlock( int a_X, int a_Y, int a_Z )
 	std::vector< Vector3i > & ActiveFluid = *m_Data->m_ActiveFluid;

 	for( std::vector< Vector3i >::iterator itr = ActiveFluid.begin(); itr != ActiveFluid.end(); ++itr )

 	{

-		Vector3i & pos = *itr;

-		if( pos.x == a_X && pos.y == a_Y && pos.z == a_Z )

+		Vector3i & Pos = *itr;

+		if( Pos.x == a_X && Pos.y == a_Y && Pos.z == a_Z )

 			return;

 	}

 

diff --git a/source/cFluidSimulator.h b/source/cFluidSimulator.h
index 758bfc022..1b4cd0d55 100644
--- a/source/cFluidSimulator.h
+++ b/source/cFluidSimulator.h
@@ -1,5 +1,7 @@
 #pragma once

 

+#include "cSimulator.h"

+

 

 //TODO This definitly needs a better naming :D but how?

 enum Direction

@@ -15,14 +17,13 @@ enum Direction
 

 class Vector3i;

 class cWorld;

-class cFluidSimulator

+class cFluidSimulator : public cSimulator

 {

 public:

 	cFluidSimulator( cWorld* a_World );

 	~cFluidSimulator();

 

 	virtual void Simulate( float a_Dt );

-	void WakeUp( int a_X, int a_Y, int a_Z );

 

 	//Gets the flowing direction. if a_Over is true also the block over the current block affects the direction (standard)

 	Direction GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a_Over = true);

@@ -31,12 +32,11 @@ public:
 	virtual inline bool IsPassableForFluid( char a_BlockID ) = 0;

 

 protected:

-	void AddBlock( int a_X, int a_Y, int a_Z);

+	virtual void AddBlock( int a_X, int a_Y, int a_Z);

 	char GetHighestLevelAround( int a_X, int a_Y, int a_Z );

 

 

 	float m_Timer;

-	cWorld* m_World;

 

 	class FluidData;

 	FluidData* m_Data;

diff --git a/source/cPassiveMonster.cpp b/source/cPassiveMonster.cpp
index 1f11484ef..0879ebbee 100644
--- a/source/cPassiveMonster.cpp
+++ b/source/cPassiveMonster.cpp
@@ -14,7 +14,8 @@ cPassiveMonster::~cPassiveMonster()
 void cPassiveMonster::TakeDamage(int a_Damage, cEntity* a_Instigator)

 {

 	cMonster::TakeDamage(a_Damage, a_Instigator);

-	m_EMState = ESCAPING;

+	if(a_Instigator != this)

+		m_EMState = ESCAPING;

 }

 

 void cPassiveMonster::Tick(float a_Dt)

diff --git a/source/cSandSimulator.cpp b/source/cSandSimulator.cpp
new file mode 100644
index 000000000..b25b498c5
--- /dev/null
+++ b/source/cSandSimulator.cpp
@@ -0,0 +1,74 @@
+#include "cSandSimulator.h"

+#include "cWorld.h"

+#include "Vector3i.h"

+#include "BlockID.h"

+#include "Defines.h"

+#include <vector>

+

+cSandSimulator::cSandSimulator( cWorld* a_World )

+	: cSimulator(a_World)

+	, m_Blocks(new std::vector <Vector3i *>)

+	, m_Buffer(new std::vector <Vector3i *>)

+{

+

+}

+

+cSandSimulator::~cSandSimulator()

+{

+	delete m_Buffer;

+	delete m_Blocks;

+}

+

+void cSandSimulator::Simulate( float a_Dt )

+{

+	m_Buffer->clear();

+	std::swap( m_Blocks, m_Buffer );

+

+	for( std::vector<Vector3i *>::iterator itr = m_Buffer->begin(); itr != m_Buffer->end(); ++itr )

+	{

+		Vector3i *Pos = *itr;

+		char BlockID = m_World->GetBlock(Pos->x, Pos->y, Pos->z);

+		if(!IsAllowedBlock(BlockID))

+			continue;

+

+		char BottomBlock = m_World->GetBlock( Pos->x, Pos->y - 1, Pos->z );

+		

+		if( IsPassable(BottomBlock) )

+		{

+			m_World->SetBlock( Pos->x, Pos->y, Pos->z, E_BLOCK_AIR, 0 );

+			m_World->SetBlock( Pos->x, Pos->y - 1, Pos->z, BlockID, 0 );

+		}

+	}

+		

+}

+

+

+bool cSandSimulator::IsAllowedBlock( char a_BlockID )

+{

+	return a_BlockID == E_BLOCK_SAND

+		|| a_BlockID == E_BLOCK_GRAVEL;

+}

+

+void cSandSimulator::AddBlock(int a_X, int a_Y, int a_Z)

+{

+	Vector3i *Block = new Vector3i(a_X, a_Y, a_Z);

+	

+	//check for duplicates

+	for( std::vector<Vector3i *>::iterator itr = m_Blocks->begin(); itr != m_Blocks->end(); ++itr )

+	{

+		Vector3i *Pos = *itr;

+		if( Pos->x == a_X && Pos->y == a_Y && Pos->z == a_Z )

+			return;

+	}

+

+	m_Blocks->push_back(Block);

+

+}

+

+bool cSandSimulator::IsPassable( char a_BlockID )

+{

+	return a_BlockID == E_BLOCK_AIR

+		|| IsBlockWater(a_BlockID)

+		|| IsBlockLava(a_BlockID);

+

+}
\ No newline at end of file
diff --git a/source/cSandSimulator.h b/source/cSandSimulator.h
new file mode 100644
index 000000000..84bba935f
--- /dev/null
+++ b/source/cSandSimulator.h
@@ -0,0 +1,24 @@
+#pragma once

+#include "cSimulator.h"

+#include "cBlockEntity.h"

+#include "vector"

+

+class Vector3i;

+class cWorld;

+class cSandSimulator : public cSimulator

+{

+public:

+	cSandSimulator( cWorld* a_World );

+	~cSandSimulator();

+

+	virtual void Simulate( float a_Dt );

+

+	virtual inline bool IsAllowedBlock( char a_BlockID );

+	virtual inline bool IsPassable( char a_BlockID );

+

+protected:

+	virtual void AddBlock(int a_X, int a_Y, int a_Z);

+

+	std::vector <Vector3i *> *m_Blocks;

+	std::vector <Vector3i *> *m_Buffer;

+};
\ No newline at end of file
diff --git a/source/cSimulator.cpp b/source/cSimulator.cpp
new file mode 100644
index 000000000..a5bb4e311
--- /dev/null
+++ b/source/cSimulator.cpp
@@ -0,0 +1,27 @@
+#include "cSimulator.h"

+#include "cWorld.h"

+#include "Vector3i.h"

+#include "BlockID.h"

+#include "Defines.h"

+#include <vector>

+

+cSimulator::cSimulator( cWorld* a_World )

+	: m_World(a_World)

+{

+

+}

+

+cSimulator::~cSimulator()

+{

+}

+

+void cSimulator::WakeUp( int a_X, int a_Y, int a_Z )

+{

+	AddBlock( a_X, a_Y, a_Z );

+	AddBlock( a_X-1, a_Y, a_Z );

+	AddBlock( a_X+1, a_Y, a_Z );

+	AddBlock( a_X, a_Y-1, a_Z );

+	AddBlock( a_X, a_Y+1, a_Z );

+	AddBlock( a_X, a_Y, a_Z-1 );

+	AddBlock( a_X, a_Y, a_Z+1 );

+}

diff --git a/source/cSimulator.h b/source/cSimulator.h
new file mode 100644
index 000000000..2aaabe184
--- /dev/null
+++ b/source/cSimulator.h
@@ -0,0 +1,20 @@
+#pragma once

+

+class Vector3i;

+class cWorld;

+class cSimulator

+{

+public:

+	cSimulator( cWorld* a_World );

+	~cSimulator();

+

+	virtual void Simulate( float a_Dt ) = 0;

+	virtual inline void WakeUp( int a_X, int a_Y, int a_Z );	//Used often so inline saves some calls

+

+	virtual inline bool IsAllowedBlock( char a_BlockID ) = 0;

+

+protected:

+	virtual void AddBlock(int a_X, int a_Y, int a_Z) = 0;

+

+	cWorld *m_World;

+};
\ No newline at end of file
diff --git a/source/cSimulatorManager.cpp b/source/cSimulatorManager.cpp
new file mode 100644
index 000000000..98303008a
--- /dev/null
+++ b/source/cSimulatorManager.cpp
@@ -0,0 +1,38 @@
+#include "cSimulatorManager.h"

+#include <vector>

+

+cSimulatorManager::cSimulatorManager()

+{

+

+}

+

+cSimulatorManager::~cSimulatorManager()

+{

+}

+

+void cSimulatorManager::Simulate( float a_Dt )

+{

+	m_Ticks++;

+	for( std::vector <std::pair<cSimulator *, short> *>::iterator itr = m_Simulators.begin(); itr != m_Simulators.end(); ++itr )

+	{

+		

+		if(m_Ticks % (*itr)->second == 0)

+			(*itr)->first->Simulate(a_Dt);

+	}

+}

+

+void cSimulatorManager::WakeUp(int a_X, int a_Y, int a_Z)

+{

+	for( std::vector <std::pair<cSimulator *, short> *>::iterator itr = m_Simulators.begin(); itr != m_Simulators.end(); ++itr )

+	{

+		(*itr)->first->WakeUp(a_X, a_Y, a_Z);

+	}

+}

+

+void cSimulatorManager::RegisterSimulator(cSimulator *a_Simulator, short a_Rate)

+{

+	//TODO needs some checking

+	std::pair<cSimulator *, short> *Pair = new std::pair<cSimulator *, short>(a_Simulator, a_Rate);

+

+	m_Simulators.push_back(Pair);

+}
\ No newline at end of file
diff --git a/source/cSimulatorManager.h b/source/cSimulatorManager.h
new file mode 100644
index 000000000..de59b8536
--- /dev/null
+++ b/source/cSimulatorManager.h
@@ -0,0 +1,20 @@
+#pragma once

+#include "cSimulator.h"

+#include <vector>

+

+

+class cSimulatorManager

+{

+public:

+	cSimulatorManager();

+	~cSimulatorManager();

+

+	void Simulate( float a_Dt );

+	void WakeUp(int a_X, int a_Y, int a_Z);

+

+	void RegisterSimulator(cSimulator *a_Simulator, short a_Rate);

+

+protected:

+	std::vector <std::pair<cSimulator *, short> *> m_Simulators;

+	long long m_Ticks;

+};
\ No newline at end of file
diff --git a/source/cSquid.cpp b/source/cSquid.cpp
index b2baf462b..af4b167f2 100644
--- a/source/cSquid.cpp
+++ b/source/cSquid.cpp
@@ -1,13 +1,16 @@
 #include "cSquid.h"

+#include "Vector3d.h"

 

 cSquid::cSquid()

 {

 	m_MobType = 94;

 	GetMonsterConfig("Squid");

+	m_NoWater = 0.f;

 }

 

 cSquid::~cSquid()

 {

+	

 }

 

 bool cSquid::IsA( const char* a_EntityType )

@@ -23,3 +26,25 @@ void cSquid::KilledBy( cEntity* a_Killer )
 

 	cMonster::KilledBy( a_Killer );

 }

+

+void cSquid::Tick(float a_Dt)

+{

+	cPassiveMonster::Tick(a_Dt);

+	

+	Vector3d Pos = GetPosition();

+

+

+	//TODO Not a real behavior, but cool :D

+	if(!IsBlockWater(GetWorld()->GetBlock(Pos.x, Pos.y, Pos.z)))

+	{

+		//Die slowly Muhahaha :D (To prevent all this squids on the land :D)

+		m_NoWater += a_Dt;

+

+		if(m_NoWater > 1000.f)

+		{

+			m_NoWater -= 1000.f;

+			TakeDamage(1, this);

+		}

+	}

+

+}
\ No newline at end of file
diff --git a/source/cSquid.h b/source/cSquid.h
index 277166517..069172efd 100644
--- a/source/cSquid.h
+++ b/source/cSquid.h
@@ -8,6 +8,11 @@ public:
 	cSquid();

 	~cSquid();

 

+	virtual void Tick(float a_Dt);

+

 	virtual bool IsA( const char* a_EntityType );

 	virtual void KilledBy( cEntity* a_Killer );

+	

+protected:

+	float m_NoWater;

 };

diff --git a/source/cWorld.cpp b/source/cWorld.cpp
index 382744e43..7b181c982 100644
--- a/source/cWorld.cpp
+++ b/source/cWorld.cpp
@@ -13,8 +13,10 @@
 #include "cRoot.h"

 #include "../iniFile/iniFile.h"

 #include "cChunkMap.h"

+#include "cSimulatorManager.h"

 #include "cWaterSimulator.h"

 #include "cLavaSimulator.h"

+#include "cSandSimulator.h"

 #include "cChicken.h"

 #include "cSpider.h"

 #include "cCow.h" //cow

@@ -119,6 +121,8 @@ cWorld::~cWorld()
 	}

 	UnlockEntities();

 

+	delete m_SimulatorManager;

+	delete m_SandSimulator;

 	delete m_WaterSimulator;

 	delete m_LavaSimulator;

 

@@ -219,8 +223,20 @@ cWorld::cWorld( const char* a_WorldName )
 	m_EntitiesCriticalSection = new cCriticalSection();

 	m_ChunksCriticalSection = new cCriticalSection();

 

+	//Simulators:

+	m_SimulatorManager = new cSimulatorManager();

+

 	m_WaterSimulator = new cWaterSimulator( this );

+	m_SimulatorManager->RegisterSimulator(m_WaterSimulator, 6);

+

 	m_LavaSimulator = new cLavaSimulator( this );

+	m_SimulatorManager->RegisterSimulator(m_LavaSimulator, 12);

+

+	m_SandSimulator = new cSandSimulator(this);

+

+	m_SimulatorManager->RegisterSimulator(m_SandSimulator, 1);

+

+

 

 	memset( g_BlockLightValue, 0x0, 128 );

 	memset( g_BlockSpreadLightFalloff, 0xf, 128 ); // 0xf means total falloff

@@ -407,10 +423,9 @@ void cWorld::Tick(float a_Dt)
 	}

 

 	m_ChunkMap->Tick(a_Dt);

-	if( CurrentTick % 6 == 0 )

-		m_WaterSimulator->Simulate(a_Dt);

-	if( CurrentTick % 12 == 0 )

-		m_LavaSimulator->Simulate(a_Dt);

+	

+	GetSimulatorManager()->Simulate(a_Dt);

+

 	UnlockChunks();

 

 	MTRand r1;

@@ -700,8 +715,7 @@ cChunk* cWorld::GetChunkOfBlock( int a_X, int a_Y, int a_Z )
 

 void cWorld::SetBlock( int a_X, int a_Y, int a_Z, char a_BlockType, char a_BlockMeta )

 {

-	m_WaterSimulator->WakeUp( a_X, a_Y, a_Z );

-	m_LavaSimulator->WakeUp( a_X, a_Y, a_Z );

+	this->GetSimulatorManager()->WakeUp(a_X, a_Y, a_Z);

 

 	int ChunkX, ChunkY, ChunkZ;

 	AbsoluteToRelative( a_X, a_Y, a_Z, ChunkX, ChunkY, ChunkZ );

@@ -785,8 +799,8 @@ bool cWorld::DigBlock( int a_X, int a_Y, int a_Z, cItem & a_PickupItem )
 	if(DestChunk)

 	{

 		DestChunk->SetBlock(PosX, PosY, PosZ, E_BLOCK_AIR, 0 );

-		m_WaterSimulator->WakeUp( a_X, a_Y, a_Z );

-		m_LavaSimulator->WakeUp( a_X, a_Y, a_Z );

+

+		GetSimulatorManager()->WakeUp(a_X, a_Y, a_Z);

 

 		if( !a_PickupItem.IsEmpty() )

 		{

diff --git a/source/cWorld.h b/source/cWorld.h
index ec30db956..44b89b5ab 100644
--- a/source/cWorld.h
+++ b/source/cWorld.h
@@ -12,10 +12,13 @@ enum ENUM_ITEM_ID;
 #include <vector>

 #include <string>

 

+#include "cSimulatorManager.h"

+

 class cPacket;

 class cRedstone;

 class cWaterSimulator;

 class cLavaSimulator;

+class cSandSimulator;

 class cChunkMap;

 class cItem;

 class cCriticalSection;

@@ -24,6 +27,8 @@ class cClientHandle;
 class cChunk;

 class cEntity;

 class cBlockEntity;

+

+

 class cWorld													//tolua_export

 {																//tolua_export

 public:

@@ -92,8 +97,9 @@ public:
 	const double & GetSpawnY();														//tolua_export

 	const double & GetSpawnZ() { return m_SpawnZ; }									//tolua_export

 

-	cWaterSimulator *GetWaterSimulator() { return m_WaterSimulator; }

-	cLavaSimulator *GetLavaSimulator() { return m_LavaSimulator; }

+	inline cSimulatorManager *GetSimulatorManager() { return m_SimulatorManager; }

+	inline cWaterSimulator *GetWaterSimulator() { return m_WaterSimulator; }

+	inline cLavaSimulator *GetLavaSimulator() { return m_LavaSimulator; }

 

 

 	cBlockEntity* GetBlockEntity( int a_X, int a_Y, int a_Z );						//tolua_export

@@ -173,8 +179,11 @@ private:
 	int m_GameMode;

 	float m_WorldTimeFraction; // When this > 1.f m_WorldTime is incremented by 20

 

+	cSimulatorManager *m_SimulatorManager;

+	cSandSimulator *m_SandSimulator;

 	cWaterSimulator* m_WaterSimulator;

 	cLavaSimulator* m_LavaSimulator;

+	

 

 	cCriticalSection* m_ClientHandleCriticalSection;

 	cCriticalSection* m_EntitiesCriticalSection;