7 files changed, 154 insertions, 157 deletions

diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 8ef45f1a5..86aee4c6f 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -330,7 +330,7 @@ void cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 		AddSpeed(a_TDI.Knockback * 2);
 	}
 
-	m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_HURT);
+	m_World->BroadcastEntityStatus(*this, esGenericHurt);
 
 	if (m_Health <= 0)
 	{
@@ -479,7 +479,7 @@ void cEntity::KilledBy(cEntity * a_Killer)
 	GetDrops(Drops, a_Killer);
 	m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ());
 
-	m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_DEAD);
+	m_World->BroadcastEntityStatus(*this, esGenericDead);
 }
 
 
@@ -519,37 +519,36 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
 	}
 	else
 	{
-		if (a_Chunk.IsValid())
+		if (!a_Chunk.IsValid())
 		{
-			cChunk * NextChunk = a_Chunk.GetNeighborChunk(POSX_TOINT, POSZ_TOINT);
+			return;
+		}
 
-			if ((NextChunk == NULL) || !NextChunk->IsValid())
-			{
-				return;
-			}
+		// Position changed -> super::Tick() called
+		GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, POSX_TOINT, POSZ_TOINT)
 
-			TickBurning(*NextChunk);
+		TickBurning(*NextChunk);
 
-			if (GetPosY() < VOID_BOUNDARY)
-			{
-				TickInVoid(*NextChunk);
-			}
-			else
-			{
-				m_TicksSinceLastVoidDamage = 0;
-			}
-
-			if (IsMob() || IsPlayer())
-			{
-				// Set swimming state
-				SetSwimState(*NextChunk);
+		if (GetPosY() < VOID_BOUNDARY)
+		{
+			TickInVoid(*NextChunk);
+		}
+		else
+		{
+			m_TicksSinceLastVoidDamage = 0;
+		}
 
-				// Handle drowning
-				HandleAir();
-			}
+		if (IsMob() || IsPlayer())
+		{
+			// Set swimming state
+			SetSwimState(*NextChunk);
 
-			HandlePhysics(a_Dt, *NextChunk);
+			// Handle drowning
+			HandleAir();
 		}
+
+		// None of the above functions change position, we remain in the chunk of NextChunk
+		HandlePhysics(a_Dt, *NextChunk);
 	}
 }
 
@@ -559,34 +558,30 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
 
 void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 {
+	int BlockX = POSX_TOINT;
+	int BlockY = POSY_TOINT;
+	int BlockZ = POSZ_TOINT;
+
+	// Position changed -> super::HandlePhysics() called
+	GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, BlockX, BlockZ)
+
 	// TODO Add collision detection with entities.
 	a_Dt /= 1000;  // Convert from msec to sec
-	Vector3d NextPos = Vector3d(GetPosX(),GetPosY(),GetPosZ());
-	Vector3d NextSpeed = Vector3d(GetSpeedX(),GetSpeedY(),GetSpeedZ());
-	int BlockX = (int) floor(NextPos.x);
-	int BlockY = (int) floor(NextPos.y);
-	int BlockZ = (int) floor(NextPos.z);
+	Vector3d NextPos = Vector3d(GetPosX(), GetPosY(), GetPosZ());
+	Vector3d NextSpeed = Vector3d(GetSpeedX(), GetSpeedY(), GetSpeedZ());
 	
 	if ((BlockY >= cChunkDef::Height) || (BlockY < 0))
 	{
-		// Outside of the world
-		
-		cChunk * NextChunk = a_Chunk.GetNeighborChunk(BlockX, BlockZ);
-		// See if we can commit our changes. If not, we will discard them.
-		if (NextChunk != NULL)
-		{
-			SetSpeed(NextSpeed);
-			NextPos += (NextSpeed * a_Dt);
-			SetPosition(NextPos);
-		}
-
+		// Outside of the world		
+		AddSpeedY(m_Gravity * a_Dt);
+		AddPosition(GetSpeed() * a_Dt);
 		return;
 	}
 	
-	int RelBlockX = BlockX - (a_Chunk.GetPosX() * cChunkDef::Width);
-	int RelBlockZ = BlockZ - (a_Chunk.GetPosZ() * cChunkDef::Width);
-	BLOCKTYPE BlockIn = a_Chunk.GetBlock( RelBlockX, BlockY, RelBlockZ );
-	BLOCKTYPE BlockBelow = (BlockY > 0) ? a_Chunk.GetBlock(RelBlockX, BlockY - 1, RelBlockZ) : E_BLOCK_AIR;
+	int RelBlockX = BlockX - (NextChunk->GetPosX() * cChunkDef::Width);
+	int RelBlockZ = BlockZ - (NextChunk->GetPosZ() * cChunkDef::Width);
+	BLOCKTYPE BlockIn = NextChunk->GetBlock( RelBlockX, BlockY, RelBlockZ );
+	BLOCKTYPE BlockBelow = (BlockY > 0) ? NextChunk->GetBlock(RelBlockX, BlockY - 1, RelBlockZ) : E_BLOCK_AIR;
 	if (!cBlockInfo::IsSolid(BlockIn))  // Making sure we are not inside a solid block
 	{
 		if (m_bOnGround)  // check if it's still on the ground
@@ -616,7 +611,7 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 		bool IsNoAirSurrounding = true;
 		for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
 		{
-			if (!a_Chunk.UnboundedRelGetBlockType(RelBlockX + gCrossCoords[i].x, BlockY, RelBlockZ + gCrossCoords[i].z, GotBlock))
+			if (!NextChunk->UnboundedRelGetBlockType(RelBlockX + gCrossCoords[i].x, BlockY, RelBlockZ + gCrossCoords[i].z, GotBlock))
 			{
 				// The pickup is too close to an unloaded chunk, bail out of any physics handling
 				return;
@@ -764,20 +759,8 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 		}
 	}
 
-	BlockX = (int) floor(NextPos.x);
-	BlockZ = (int) floor(NextPos.z);
-
-	cChunk * NextChunk = a_Chunk.GetNeighborChunk(BlockX, BlockZ);
-	// See if we can commit our changes. If not, we will discard them.
-	if (NextChunk != NULL)
-	{
-		if (NextPos.x != GetPosX()) SetPosX(NextPos.x);
-		if (NextPos.y != GetPosY()) SetPosY(NextPos.y);
-		if (NextPos.z != GetPosZ()) SetPosZ(NextPos.z);
-		if (NextSpeed.x != GetSpeedX()) SetSpeedX(NextSpeed.x);
-		if (NextSpeed.y != GetSpeedY()) SetSpeedY(NextSpeed.y);
-		if (NextSpeed.z != GetSpeedZ()) SetSpeedZ(NextSpeed.z);
-	}
+	SetPosition(NextPos);
+	SetSpeed(NextSpeed);
 }
 
 
@@ -806,7 +789,7 @@ void cEntity::TickBurning(cChunk & a_Chunk)
 	int MaxRelX = (int)floor(GetPosX() + m_Width / 2) - a_Chunk.GetPosX() * cChunkDef::Width;
 	int MinRelZ = (int)floor(GetPosZ() - m_Width / 2) - a_Chunk.GetPosZ() * cChunkDef::Width;
 	int MaxRelZ = (int)floor(GetPosZ() + m_Width / 2) - a_Chunk.GetPosZ() * cChunkDef::Width;
-	int MinY = std::max(0, std::min(cChunkDef::Height - 1, (int)floor(GetPosY())));
+	int MinY = std::max(0, std::min(cChunkDef::Height - 1, POSY_TOINT));
 	int MaxY = std::max(0, std::min(cChunkDef::Height - 1, (int)ceil (GetPosY() + m_Height)));
 	bool HasWater = false;
 	bool HasLava = false;
@@ -981,13 +964,13 @@ void cEntity::HandleAir(void)
 			}
 			else
 			{
-				m_AirTickTimer -= 1;
+				m_AirTickTimer--;
 			}
 		}
 		else
 		{
 			// Reduce air supply
-			m_AirLevel -= 1;
+			m_AirLevel--;
 		}
 	}
 	else
@@ -1099,15 +1082,15 @@ void cEntity::TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ)
 
 void cEntity::BroadcastMovementUpdate(const cClientHandle * a_Exclude)
 {
-	//We need to keep updating the clients when there is movement or if there was a change in speed and after 2 ticks
-	if( (m_Speed.SqrLength() > 0.0004f || m_bDirtySpeed) && (m_World->GetWorldAge() - m_TimeLastSpeedPacket >= 2))
+	// Send velocity packet every two ticks if: speed is not negligible or speed was set (as indicated by the DirtySpeed flag)
+	if (((m_Speed.SqrLength() > 0.0004f) || m_bDirtySpeed) && ((m_World->GetWorldAge() - m_TimeLastSpeedPacket) >= 2))
 	{
 		m_World->BroadcastEntityVelocity(*this,a_Exclude);
 		m_bDirtySpeed = false;
 		m_TimeLastSpeedPacket = m_World->GetWorldAge();
 	}
 
-	//Have to process position related packets this every two ticks
+	// Have to process position related packets this every two ticks
 	if (m_World->GetWorldAge() % 2 == 0)
 	{
 		int DiffX = (int) (floor(GetPosX() * 32.0) - floor(m_LastPosX * 32.0));
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 6e3f8292b..8f3899e2f 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -32,6 +32,8 @@
 #define POSZ_TOINT (int)floor(GetPosZ())
 #define POS_TOINT  Vector3i(POSXTOINT, POSYTOINT, POSZTOINT)
 
+#define GET_AND_VERIFY_CURRENT_CHUNK(ChunkVarName, X, Z) cChunk * ChunkVarName = a_Chunk.GetNeighborChunk(X, Z); if ((ChunkVarName == NULL) || !ChunkVarName->IsValid()) { return; }
+
 
 
 
@@ -88,23 +90,42 @@ public:
 	} ;
 	
 	// tolua_end
-
-	enum
+	
+	enum eEntityStatus
 	{
-		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,
+		// TODO: Investiagate 0, 1, and 5 as Wiki.vg is not certain
+
+		// Entity becomes coloured red
+		esGenericHurt            = 2,
+		// Entity plays death animation (entity falls to ground)
+		esGenericDead            = 3,
+		// Iron Golem plays attack animation (arms lift and fall)
+		esIronGolemAttacking     = 4,
+		// Wolf taming particles spawn (smoke)
+		esWolfTaming             = 6,
+		// Wolf tamed particles spawn (hearts)
+		esWolfTamed              = 7,
+		// Wolf plays water removal animation (shaking and water particles)
+		esWolfDryingWater        = 8,
+		// Informs client that eating was accepted
+		esPlayerEatingAccepted   = 9,
+		// Sheep plays eating animation (head lowers to ground)
+		esSheepEating            = 10,
+		// Iron Golem holds gift to villager children
+		esIronGolemGivingPlant   = 11,
+		// Villager spawns heart particles
+		esVillagerBreeding       = 12,
+		// Villager spawns thunderclound particles
+		esVillagerAngry          = 13,
+		// Villager spawns green crosses
+		esVillagerHappy          = 14,
+		// Witch spawns magic particle (TODO: investigation into what this is)
+		esWitchMagicking         = 15,
+
 		// It seems 16 (zombie conversion) is now done with metadata
-		ENTITY_STATUS_FIREWORK_EXPLODE= 17,
+
+		// Informs client to explode a firework based on its metadata
+		esFireworkExploding      = 17,
 	} ;
 	
 	enum
@@ -118,7 +139,8 @@ public:
 		BURN_TICKS = 200,            ///< How long to keep an entity burning after it has stood in lava / fire
 		MAX_AIR_LEVEL = 300,         ///< Maximum air an entity can have
 		DROWNING_TICKS = 20,         ///< Number of ticks per heart of damage
-		VOID_BOUNDARY = -46          ///< At what position Y to begin applying void damage
+		VOID_BOUNDARY = -46,         ///< At what position Y to begin applying void damage
+		FALL_DAMAGE_HEIGHT = 4       ///< At what position Y fall damage is applied
 	} ;
 	
 	cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, double a_Width, double a_Height);
diff --git a/src/Entities/Minecart.cpp b/src/Entities/Minecart.cpp
index 2814ce33c..db55eb058 100644
--- a/src/Entities/Minecart.cpp
+++ b/src/Entities/Minecart.cpp
@@ -132,7 +132,7 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 		return;
 	}
 
-	int PosY = (int)floor(GetPosY());
+	int PosY = POSY_TOINT;
 	if ((PosY <= 0) || (PosY >= cChunkDef::Height))
 	{
 		// Outside the world, just process normal falling physics
@@ -141,8 +141,8 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 		return;
 	}
 	
-	int RelPosX = (int)floor(GetPosX()) - a_Chunk.GetPosX() * cChunkDef::Width;
-	int RelPosZ = (int)floor(GetPosZ()) - a_Chunk.GetPosZ() * cChunkDef::Width;
+	int RelPosX = POSX_TOINT - a_Chunk.GetPosX() * cChunkDef::Width;
+	int RelPosZ = POSZ_TOINT - a_Chunk.GetPosZ() * cChunkDef::Width;
 	cChunk * Chunk = a_Chunk.GetRelNeighborChunkAdjustCoords(RelPosX, RelPosZ);
 	if (Chunk == NULL)
 	{
@@ -195,7 +195,7 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 		super::HandlePhysics(a_Dt, *Chunk);
 	}
 
-	if (m_bIsOnDetectorRail && !Vector3i((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ())).Equals(m_DetectorRailPosition))
+	if (m_bIsOnDetectorRail && !Vector3i(POSX_TOINT, POSY_TOINT, POSZ_TOINT).Equals(m_DetectorRailPosition))
 	{
 		m_World->SetBlock(m_DetectorRailPosition.x, m_DetectorRailPosition.y, m_DetectorRailPosition.z, E_BLOCK_DETECTOR_RAIL, m_World->GetBlockMeta(m_DetectorRailPosition) & 0x07);
 		m_bIsOnDetectorRail = false;
@@ -203,7 +203,7 @@ void cMinecart::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 	else if (WasDetectorRail)
 	{
 		m_bIsOnDetectorRail = true;
-		m_DetectorRailPosition = Vector3i((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()));
+		m_DetectorRailPosition = Vector3i(POSX_TOINT, POSY_TOINT, POSZ_TOINT);
 	}
 	
 	// Broadcast positioning changes to client
@@ -719,11 +719,11 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 		{
 			if (GetSpeedZ() > 0)
 			{
-				BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)ceil(GetPosZ()));
+				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT, POSY_TOINT, (int)ceil(GetPosZ()));
 				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
 				{
 					// We could try to detect a block in front based purely on coordinates, but xoft made a bounding box system - why not use? :P
-					cBoundingBox bbBlock(Vector3d((int)floor(GetPosX()), (int)floor(GetPosY()), (int)ceil(GetPosZ())), 0.5, 1);
+					cBoundingBox bbBlock(Vector3d(POSX_TOINT, POSY_TOINT, (int)ceil(GetPosZ())), 0.5, 1);
 					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
 
 					if (bbBlock.DoesIntersect(bbMinecart))
@@ -736,10 +736,10 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 			}
 			else if (GetSpeedZ() < 0)
 			{
-				BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) - 1);
+				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT, POSY_TOINT, POSZ_TOINT - 1);
 				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
 				{
-					cBoundingBox bbBlock(Vector3d((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) - 1), 0.5, 1);
+					cBoundingBox bbBlock(Vector3d(POSX_TOINT, POSY_TOINT, POSZ_TOINT - 1), 0.5, 1);
 					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ() - 1), GetWidth() / 2, GetHeight());
 
 					if (bbBlock.DoesIntersect(bbMinecart))
@@ -756,10 +756,10 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 		{
 			if (GetSpeedX() > 0)
 			{
-				BLOCKTYPE Block = m_World->GetBlock((int)ceil(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()));
+				BLOCKTYPE Block = m_World->GetBlock((int)ceil(GetPosX()), POSY_TOINT, POSZ_TOINT);
 				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
 				{
-					cBoundingBox bbBlock(Vector3d((int)ceil(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ())), 0.5, 1);
+					cBoundingBox bbBlock(Vector3d((int)ceil(GetPosX()), POSY_TOINT, POSZ_TOINT), 0.5, 1);
 					cBoundingBox bbMinecart(Vector3d(GetPosX(), floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
 
 					if (bbBlock.DoesIntersect(bbMinecart))
@@ -772,10 +772,10 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 			}
 			else if (GetSpeedX() < 0)
 			{
-				BLOCKTYPE Block = m_World->GetBlock((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
+				BLOCKTYPE Block = m_World->GetBlock(POSX_TOINT - 1, POSY_TOINT, POSZ_TOINT);
 				if (!IsBlockRail(Block) && cBlockInfo::IsSolid(Block))
 				{
-					cBoundingBox bbBlock(Vector3d((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ())), 0.5, 1);
+					cBoundingBox bbBlock(Vector3d(POSX_TOINT - 1, POSY_TOINT, POSZ_TOINT), 0.5, 1);
 					cBoundingBox bbMinecart(Vector3d(GetPosX() - 1, floor(GetPosY()), GetPosZ()), GetWidth() / 2, GetHeight());
 
 					if (bbBlock.DoesIntersect(bbMinecart))
@@ -793,10 +793,10 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 		case E_META_RAIL_CURVED_ZP_XM:
 		case E_META_RAIL_CURVED_ZP_XP:
 		{
-			BLOCKTYPE BlockXM = m_World->GetBlock((int)floor(GetPosX()) - 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
-			BLOCKTYPE BlockXP = m_World->GetBlock((int)floor(GetPosX()) + 1, (int)floor(GetPosY()), (int)floor(GetPosZ()));
-			BLOCKTYPE BlockZM = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) - 1);
-			BLOCKTYPE BlockZP = m_World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()) + 1);
+			BLOCKTYPE BlockXM = m_World->GetBlock(POSX_TOINT - 1, POSY_TOINT, POSZ_TOINT);
+			BLOCKTYPE BlockXP = m_World->GetBlock(POSX_TOINT + 1, POSY_TOINT, POSZ_TOINT);
+			BLOCKTYPE BlockZM = m_World->GetBlock(POSX_TOINT, POSY_TOINT, POSZ_TOINT - 1);
+			BLOCKTYPE BlockZP = m_World->GetBlock(POSX_TOINT, POSY_TOINT, POSZ_TOINT + 1);
 			if (
 				(!IsBlockRail(BlockXM) && cBlockInfo::IsSolid(BlockXM)) ||
 				(!IsBlockRail(BlockXP) && cBlockInfo::IsSolid(BlockXP)) ||
@@ -805,7 +805,7 @@ bool cMinecart::TestBlockCollision(NIBBLETYPE a_RailMeta)
 				)
 			{
 				SetSpeed(0, 0, 0);
-				SetPosition((int)floor(GetPosX()) + 0.5, GetPosY(), (int)floor(GetPosZ()) + 0.5);
+				SetPosition(POSX_TOINT + 0.5, GetPosY(), POSZ_TOINT + 0.5);
 				return true;
 			}
 			break;
@@ -822,7 +822,7 @@ bool cMinecart::TestEntityCollision(NIBBLETYPE a_RailMeta)
 {
 	cMinecartCollisionCallback MinecartCollisionCallback(GetPosition(), GetHeight(), GetWidth(), GetUniqueID(), ((m_Attachee == NULL) ? -1 : m_Attachee->GetUniqueID()));
 	int ChunkX, ChunkZ;
-	cChunkDef::BlockToChunk((int)floor(GetPosX()), (int)floor(GetPosZ()), ChunkX, ChunkZ);
+	cChunkDef::BlockToChunk(POSX_TOINT, POSZ_TOINT, ChunkX, ChunkZ);
 	m_World->ForEachEntityInChunk(ChunkX, ChunkZ, MinecartCollisionCallback);
 
 	if (!MinecartCollisionCallback.FoundIntersection())
diff --git a/src/Entities/Pickup.cpp b/src/Entities/Pickup.cpp
index 7fc89b62b..497b41683 100644
--- a/src/Entities/Pickup.cpp
+++ b/src/Entities/Pickup.cpp
@@ -98,45 +98,44 @@ void cPickup::Tick(float a_Dt, cChunk & a_Chunk)
 	
 	if (!m_bCollected)
 	{
-		int BlockY = (int) floor(GetPosY());
+		int BlockY = POSY_TOINT;
+		int BlockX = POSX_TOINT;
+		int BlockZ = POSZ_TOINT;
+
 		if ((BlockY >= 0) && (BlockY < cChunkDef::Height))  // Don't do anything except for falling when outside the world
 		{
-			int BlockX = (int) floor(GetPosX());
-			int BlockZ = (int) floor(GetPosZ());
 			// Position might have changed due to physics. So we have to make sure we have the correct chunk.
-			cChunk * CurrentChunk = a_Chunk.GetNeighborChunk(BlockX, BlockZ);
-			if (CurrentChunk != NULL)  // Make sure the chunk is loaded
-			{
-				int RelBlockX = BlockX - (CurrentChunk->GetPosX() * cChunkDef::Width);
-				int RelBlockZ = BlockZ - (CurrentChunk->GetPosZ() * cChunkDef::Width);
+			GET_AND_VERIFY_CURRENT_CHUNK(CurrentChunk, BlockX, BlockZ)
+			
+			int RelBlockX = BlockX - (CurrentChunk->GetPosX() * cChunkDef::Width);
+			int RelBlockZ = BlockZ - (CurrentChunk->GetPosZ() * cChunkDef::Width);
 				
-				// If the pickup is on the bottommost block position, make it think the void is made of air: (#131)
-				BLOCKTYPE BlockBelow = (BlockY > 0) ? CurrentChunk->GetBlock(RelBlockX, BlockY - 1, RelBlockZ) : E_BLOCK_AIR;
-				BLOCKTYPE BlockIn = CurrentChunk->GetBlock(RelBlockX, BlockY, RelBlockZ);
-
-				if (
-					IsBlockLava(BlockBelow) || (BlockBelow == E_BLOCK_FIRE) ||
-					IsBlockLava(BlockIn) || (BlockIn == E_BLOCK_FIRE)
-				)
+			// If the pickup is on the bottommost block position, make it think the void is made of air: (#131)
+			BLOCKTYPE BlockBelow = (BlockY > 0) ? CurrentChunk->GetBlock(RelBlockX, BlockY - 1, RelBlockZ) : E_BLOCK_AIR;
+			BLOCKTYPE BlockIn = CurrentChunk->GetBlock(RelBlockX, BlockY, RelBlockZ);
+
+			if (
+				IsBlockLava(BlockBelow) || (BlockBelow == E_BLOCK_FIRE) ||
+				IsBlockLava(BlockIn) || (BlockIn == E_BLOCK_FIRE)
+			)
+			{
+				m_bCollected = true;
+				m_Timer = 0;  // We have to reset the timer.
+				m_Timer += a_Dt;  // In case we have to destroy the pickup in the same tick.
+				if (m_Timer > 500.f)  
 				{
-					m_bCollected = true;
-					m_Timer = 0;  // We have to reset the timer.
-					m_Timer += a_Dt;  // In case we have to destroy the pickup in the same tick.
-					if (m_Timer > 500.f)  
-					{
-						Destroy(true);
-						return;
-					}
+					Destroy(true);
+					return;
 				}
+			}
 
-				if (!IsDestroyed()) // Don't try to combine if someone has tried to combine me
+			if (!IsDestroyed()) // Don't try to combine if someone has tried to combine me
+			{
+				cPickupCombiningCallback PickupCombiningCallback(GetPosition(), this);
+				m_World->ForEachEntity(PickupCombiningCallback); // Not ForEachEntityInChunk, otherwise pickups don't combine across chunk boundaries
+				if (PickupCombiningCallback.FoundMatchingPickup())
 				{
-					cPickupCombiningCallback PickupCombiningCallback(GetPosition(), this);
-					m_World->ForEachEntity(PickupCombiningCallback); // Not ForEachEntityInChunk, otherwise pickups don't combine across chunk boundaries
-					if (PickupCombiningCallback.FoundMatchingPickup())
-					{
-						m_World->BroadcastEntityMetadata(*this);
-					}
+					m_World->BroadcastEntityMetadata(*this);
 				}
 			}
 		}
@@ -156,7 +155,7 @@ void cPickup::Tick(float a_Dt, cChunk & a_Chunk)
 		return;
 	}
 
-	if (GetPosY() < -8) // Out of this world and no more visible!
+	if (GetPosY() < VOID_BOUNDARY) // Out of this world and no more visible!
 	{
 		Destroy(true);
 		return;
diff --git a/src/Entities/Pickup.h b/src/Entities/Pickup.h
index 74b917bce..2dcbecaaf 100644
--- a/src/Entities/Pickup.h
+++ b/src/Entities/Pickup.h
@@ -49,9 +49,6 @@ public:
 	bool IsPlayerCreated(void) const { return m_bIsPlayerCreated; } // tolua_export
 
 private:
-	Vector3d   m_ResultingSpeed;	 //Can be used to modify the resulting speed for the current tick ;)
-
-	Vector3d   m_WaterSpeed;
 
 	/** The number of ticks that the entity has existed / timer between collect and destroy; in msec */
 	float m_Timer;
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index df656ffa1..46edb7199 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -438,7 +438,7 @@ void cPlayer::SetTouchGround(bool a_bTouchGround)
 		cWorld * World = GetWorld();
 		if ((GetPosY() >= 0) && (GetPosY() < cChunkDef::Height))
 		{
-			BLOCKTYPE BlockType = World->GetBlock((int)floor(GetPosX()), (int)floor(GetPosY()), (int)floor(GetPosZ()));
+			BLOCKTYPE BlockType = World->GetBlock(POSX_TOINT, POSY_TOINT, POSZ_TOINT);
 			if (BlockType != E_BLOCK_AIR)
 			{
 				m_bTouchGround = true;
@@ -467,7 +467,7 @@ void cPlayer::SetTouchGround(bool a_bTouchGround)
 			TakeDamage(dtFalling, NULL, Damage, Damage, 0);
 			
 			// Fall particles
-			GetWorld()->BroadcastSoundParticleEffect(2006, (int)floor(GetPosX()), (int)GetPosY() - 1, (int)floor(GetPosZ()), Damage /* Used as particle effect speed modifier */);
+			GetWorld()->BroadcastSoundParticleEffect(2006, POSX_TOINT, (int)GetPosY() - 1, POSZ_TOINT, Damage /* Used as particle effect speed modifier */);
 		}		
 
 		m_LastGroundHeight = (float)GetPosY();
@@ -591,7 +591,7 @@ void cPlayer::FinishEating(void)
 	m_EatingFinishTick = -1;
 	
 	// Send the packets:
-	m_ClientHandle->SendEntityStatus(*this, ENTITY_STATUS_EATING_ACCEPTED);
+	m_ClientHandle->SendEntityStatus(*this, esPlayerEatingAccepted);
 	m_World->BroadcastEntityAnimation(*this, 0);
 	m_World->BroadcastEntityMetadata(*this);
 
@@ -1520,22 +1520,16 @@ void cPlayer::LoadPermissionsFromDisk()
 	cIniFile IniFile;
 	if (IniFile.ReadFile("users.ini"))
 	{
-		std::string Groups = IniFile.GetValue(m_PlayerName, "Groups", "");
-		if (!Groups.empty())
+		AString Groups = IniFile.GetValueSet(m_PlayerName, "Groups", "Default");
+		AStringVector Split = StringSplitAndTrim(Groups, ",");
+
+		for (AStringVector::const_iterator itr = Split.begin(), end = Split.end(); itr != end; ++itr)
 		{
-			AStringVector Split = StringSplitAndTrim(Groups, ",");
-			for (AStringVector::const_iterator itr = Split.begin(), end = Split.end(); itr != end; ++itr)
+			if (!cRoot::Get()->GetGroupManager()->ExistsGroup(*itr))
 			{
-				if (!cRoot::Get()->GetGroupManager()->ExistsGroup(*itr))
-				{
-					LOGWARNING("The group %s for player %s was not found!", itr->c_str(), m_PlayerName.c_str());
-				}
-				AddToGroup(*itr);
+				LOGWARNING("The group %s for player %s was not found!", itr->c_str(), m_PlayerName.c_str());
 			}
-		}
-		else
-		{
-			AddToGroup("Default");
+			AddToGroup(*itr);
 		}
 
 		AString Color = IniFile.GetValue(m_PlayerName, "Color", "-");
@@ -1547,8 +1541,10 @@ void cPlayer::LoadPermissionsFromDisk()
 	else
 	{
 		cGroupManager::GenerateDefaultUsersIni(IniFile);
+		IniFile.AddValue("Groups", m_PlayerName, "Default");
 		AddToGroup("Default");
 	}
+	IniFile.WriteFile("users.ini");
 	ResolvePermissions();
 }
 
@@ -1900,9 +1896,9 @@ void cPlayer::ApplyFoodExhaustionFromMovement()
 void cPlayer::Detach()
 {
 	super::Detach();
-	int PosX = (int)floor(GetPosX());
-	int PosY = (int)floor(GetPosY());
-	int PosZ = (int)floor(GetPosZ());
+	int PosX = POSX_TOINT;
+	int PosY = POSY_TOINT;
+	int PosZ = POSZ_TOINT;
 
 	// Search for a position within an area to teleport player after detachment
 	// Position must be solid land, and occupied by a nonsolid block
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index e86bb48bd..96db17ffd 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -791,7 +791,7 @@ void cFireworkEntity::Tick(float a_Dt, cChunk & a_Chunk)
 
 	if (m_ExplodeTimer == m_FireworkItem.m_FireworkItem.m_FlightTimeInTicks)
 	{
-		m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_FIREWORK_EXPLODE);
+		m_World->BroadcastEntityStatus(*this, esFireworkExploding);
 		Destroy();
 	}