Fixes:

- Pickups fall through water now (Server-side they stayed in the water surface)
- Suppressed some warnings (int to short etc.)
- Water is now passable for cTracer

git-svn-id: http://mc-server.googlecode.com/svn/trunk@96 0a769ca7-a7f5-676a-18bf-c427514a06d6

source/Defines.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "MemoryLeak.h"
+#include "BlockID.h"
 
 //tolua_begin
 // emissive blocks
@@ -45,6 +46,11 @@ inline bool IsValidItem( int a_ItemID )		//tolua_export
 	return IsValidBlock( a_ItemID );
 }											//tolua_export
 
+inline bool IsBlockWater (char a_BlockID)
+{
+	return (a_BlockID == E_BLOCK_WATER || a_BlockID == E_BLOCK_STATIONARY_WATER);
+}
+
 inline void AddDirection( int & a_X, char & a_Y, int & a_Z, char a_Direction, bool a_bInverse = false ) //tolua_export
 {//tolua_export
 	if( !a_bInverse )

source/cBlockToPickup.cpp

@@ -54,6 +54,4 @@ ENUM_ITEM_ID cBlockToPickup::ToPickup( unsigned char a_BlockID, ENUM_ITEM_ID a_U
 	default:
 		return (ENUM_ITEM_ID)a_BlockID;
 	}
-	//TODO: Whats that? :D
-	return E_ITEM_EMPTY;
 }

source/cInventory.cpp

@@ -320,9 +320,9 @@ void cInventory::SendSlot( int a_SlotNum )
 	{
 		cPacket_InventorySlot InventorySlot;
 		InventorySlot.m_ItemCount = Item->m_ItemCount;
-		InventorySlot.m_ItemID = Item->m_ItemID;
-		InventorySlot.m_ItemUses = (char)Item->m_ItemHealth;
-		InventorySlot.m_SlotNum = (short)a_SlotNum;
+		InventorySlot.m_ItemID = (short) Item->m_ItemID;
+		InventorySlot.m_ItemUses = (char) Item->m_ItemHealth;
+		InventorySlot.m_SlotNum = (short) a_SlotNum;
 		InventorySlot.m_WindowID = 0; // Inventory window ID
 		m_Owner->GetClientHandle()->Send( InventorySlot );
 	}

source/cMonster.cpp

@@ -615,7 +615,7 @@ void cMonster::DropItem(ENUM_ITEM_ID a_Item, unsigned int a_Count)
 {
 	if(a_Count > 0)
 	{
-		cPickup* Pickup = new cPickup( (int)(m_Pos->x*32), (int)(m_Pos->y*32), (int)(m_Pos->z*32), cItem( a_Item, a_Count ) );
+		cPickup* Pickup = new cPickup( (int)(m_Pos->x*32), (int)(m_Pos->y*32), (int)(m_Pos->z*32), cItem( a_Item, (char) a_Count ) );
 		Pickup->Initialize( GetWorld() );
 	}
 }

source/cPickup.cpp

@@ -80,6 +80,7 @@ cPickup::cPickup(cPacket_PickupSpawn* a_PickupSpawnPacket)
 	m_Speed->z = (float)(a_PickupSpawnPacket->m_Roll)		/ 8;
 
 	// Spawn it on clients
+	if(a_PickupSpawnPacket->m_Item != E_ITEM_EMPTY)
 		cRoot::Get()->GetServer()->Broadcast( *a_PickupSpawnPacket );
 
 	m_EntityType = E_PICKUP;
@@ -98,12 +99,13 @@ void cPickup::SpawnOn( cClientHandle* a_Target )
 	PickupSpawn.m_Rotation = (char)(m_Speed->x * 8);
 	PickupSpawn.m_Pitch    = (char)(m_Speed->y * 8);
 	PickupSpawn.m_Roll	   = (char)(m_Speed->z * 8);
+	if(PickupSpawn.m_Item != E_ITEM_EMPTY)
 		a_Target->Send( PickupSpawn );
 }
 
 void cPickup::Tick(float a_Dt)
 {
-	m_Timer+=a_Dt;
+	m_Timer += a_Dt;
 	a_Dt = a_Dt / 1000.f;
 	if(m_bCollected)
 	{
@@ -152,7 +154,9 @@ void cPickup::HandlePhysics(float a_Dt)
 		cWorld* World = GetWorld();
 		int BlockX = (m_Pos->x)<0 ? (int)m_Pos->x-1 : (int)m_Pos->x;
 		int BlockZ = (m_Pos->z)<0 ? (int)m_Pos->z-1 : (int)m_Pos->z;
-		if( World->GetBlock( BlockX, (int)m_Pos->y -1, BlockZ ) == E_BLOCK_AIR )
+		char BlockBelow = World->GetBlock( BlockX, (int)m_Pos->y -1, BlockZ );
+		//Not only air, falls through water ;)
+		if( BlockBelow == E_BLOCK_AIR || IsBlockWater(BlockBelow))
 		{
 			m_bOnGround = false;
 		}
@@ -162,7 +166,8 @@ void cPickup::HandlePhysics(float a_Dt)
 			m_Timer = 0;
 			return;
 		}
-		if( World->GetBlock( BlockX, (int)m_Pos->y, BlockZ ) != E_BLOCK_AIR ) // If in ground itself, push it out
+		char BlockIn = World->GetBlock( BlockX, (int)m_Pos->y, BlockZ );
+		if( BlockIn != E_BLOCK_AIR && !IsBlockWater(BlockIn) ) // If in ground itself, push it out
 		{
 			m_bOnGround = true;
 			m_Pos->y += 0.2;

source/cPlayer.cpp

@@ -325,7 +325,7 @@ void cPlayer::Heal( int a_Health )
 {
 	if( m_Health < 20 )
 	{
-		m_Health = MIN(a_Health + m_Health, 20);
+		m_Health = (short) MIN(a_Health + m_Health, 20);
 
 		cPacket_UpdateHealth Health;
 		Health.m_Health = m_Health;

source/cTracer.cpp

@@ -9,6 +9,8 @@
 #include "cMCLogger.h"
 #include "cEntity.h"
 
+#include "Defines.h"
+
 #ifndef _WIN32
 #include <stdlib.h> // abs()
 #endif
@@ -209,7 +211,8 @@ int cTracer::Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int
 		}
 		
 		char BlockID = m_World->GetBlock( pos->x, pos->y, pos->z );
-		if ( BlockID != E_BLOCK_AIR )
+		//No collision with water ;)
+		if ( BlockID != E_BLOCK_AIR || IsBlockWater(BlockID))
 		{
 			*BlockHitPosition = pos;
 			int Normal = GetHitNormal(a_Start, End, *pos );
@@ -280,7 +283,7 @@ int cTracer::GetHitNormal(const Vector3f & start, const Vector3f & end, const Ve
 	Vector3i SmallBlockPos = a_BlockPos;
 	char BlockID = m_World->GetBlock( a_BlockPos.x, a_BlockPos.y, a_BlockPos.z );
 
-	if( BlockID == E_BLOCK_AIR )
+	if( BlockID == E_BLOCK_AIR || IsBlockWater(BlockID))
 		return 0;
 
 	Vector3f BlockPos;

source/packets/cPacket_AddToInventory.cpp

@@ -9,14 +9,14 @@ bool cPacket_AddToInventory::Send( cSocket & a_Socket )
 
 	cPacket_ItemData Item;
 
-	TotalSize += Item.GetSize(m_ItemType);
+	TotalSize += Item.GetSize((short) m_ItemType);
 
 	char* Message = new char[TotalSize];
 
 	unsigned int i = 0;
 	AppendByte	 ( (char) m_PacketID,	Message, i );
 	
-	Item.AppendItem(Message, i, m_ItemType, m_Count, this->m_Life);
+	Item.AppendItem(Message, i, (short) m_ItemType, m_Count, this->m_Life);
 
 	bool RetVal = !cSocket::IsSocketError( SendData( a_Socket, Message, TotalSize, 0 ) );
 	delete [] Message;

source/packets/cPacket_ItemData.cpp

@@ -42,7 +42,7 @@ int cPacket_ItemData::GetSize(short a_ItemID)
 
 void cPacket_ItemData::AppendItem(char* a_Message, unsigned int &a_Iterator, cItem *a_Item)
 {
-	return AppendItem(a_Message, a_Iterator, a_Item->m_ItemID, a_Item->m_ItemCount, a_Item->m_ItemHealth);
+	return AppendItem(a_Message, a_Iterator, (short) a_Item->m_ItemID, a_Item->m_ItemCount, a_Item->m_ItemHealth);
 }
 
 void cPacket_ItemData::AppendItem(char* a_Message, unsigned int &a_Iterator, short a_ItemID, char a_Quantity, short a_Damage)

source/packets/cPacket_WholeInventory.cpp

@@ -44,7 +44,7 @@ bool cPacket_WholeInventory::Send(cSocket & a_Socket)
 
 	for(int i = 0; i < m_Count; i++)
 	{
-		TotalSize += Item.GetSize(m_Items[i].m_ItemID);
+		TotalSize +=  Item.GetSize((short) m_Items[i].m_ItemID);
 	}
 
 	char* Message = new char[TotalSize];