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421 lines
11 KiB
C++
421 lines
11 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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#include "tier0/icommandline.h"
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#include "dt_stack.h"
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#include "client.h"
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#include "host.h"
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#include "utllinkedlist.h"
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#include "server.h"
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#include "server_class.h"
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#include "eiface.h"
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#include "demo.h"
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#include "sv_packedentities.h"
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#ifndef DEDICATED
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#include "renamed_recvtable_compat.h"
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#endif
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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extern CUtlLinkedList< CClientSendTable*, unsigned short > g_ClientSendTables;
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extern CUtlLinkedList< CRecvDecoder *, unsigned short > g_RecvDecoders;
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RecvTable* FindRecvTable( const char *pName );
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RecvTable *DataTable_FindRenamedTable( const char *pOldTableName )
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{
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#ifdef DEDICATED
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return NULL;
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#else
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extern IBaseClientDLL *g_ClientDLL;
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if ( !g_ClientDLL )
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return NULL;
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// Get the renamed receive table list from the client DLL and see if we can find
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// a new name (assuming it was renamed at all).
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const CRenamedRecvTableInfo *pCur = g_ClientDLL->GetRenamedRecvTableInfos();
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// This should be a very short list, so we'll do string compares until 2020 when
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// someone finds this code and the list has grown to 10,000.
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while ( pCur && pCur->m_pOldName && pCur->m_pNewName )
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{
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if ( !V_stricmp( pCur->m_pOldName, pOldTableName ) )
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{
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return FindRecvTable( pCur->m_pNewName );
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}
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pCur = pCur->m_pNext;
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}
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return NULL;
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#endif
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}
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bool DataTable_SetupReceiveTableFromSendTable( SendTable *sendTable, bool bNeedsDecoder )
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{
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CClientSendTable *pClientSendTable = new CClientSendTable;
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SendTable *pTable = &pClientSendTable->m_SendTable;
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g_ClientSendTables.AddToTail( pClientSendTable );
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// Read the name.
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pTable->m_pNetTableName = COM_StringCopy( sendTable->m_pNetTableName );
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// Create a decoder for it if necessary.
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if ( bNeedsDecoder )
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{
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// Make a decoder for it.
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CRecvDecoder *pDecoder = new CRecvDecoder;
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g_RecvDecoders.AddToTail( pDecoder );
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RecvTable *pRecvTable = FindRecvTable( pTable->m_pNetTableName );
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if ( !pRecvTable )
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{
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// Attempt to find a renamed version of the table.
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pRecvTable = DataTable_FindRenamedTable( pTable->m_pNetTableName );
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if ( !pRecvTable )
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{
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DataTable_Warning( "No matching RecvTable for SendTable '%s'.\n", pTable->m_pNetTableName );
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return false;
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}
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}
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pRecvTable->m_pDecoder = pDecoder;
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pDecoder->m_pTable = pRecvTable;
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pDecoder->m_pClientSendTable = pClientSendTable;
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pDecoder->m_Precalc.m_pSendTable = pClientSendTable->GetSendTable();
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pClientSendTable->GetSendTable()->m_pPrecalc = &pDecoder->m_Precalc;
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// Initialize array properties.
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SetupArrayProps_R<RecvTable, RecvTable::PropType>( pRecvTable );
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}
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// Read the property list.
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pTable->m_nProps = sendTable->m_nProps;
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pTable->m_pProps = pTable->m_nProps ? new SendProp[ pTable->m_nProps ] : 0;
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pClientSendTable->m_Props.SetSize( pTable->m_nProps );
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for ( int iProp=0; iProp < pTable->m_nProps; iProp++ )
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{
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CClientSendProp *pClientProp = &pClientSendTable->m_Props[iProp];
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SendProp *pProp = &pTable->m_pProps[iProp];
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const SendProp *pSendTableProp = &sendTable->m_pProps[ iProp ];
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pProp->m_Type = (SendPropType)pSendTableProp->m_Type;
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pProp->m_pVarName = COM_StringCopy( pSendTableProp->GetName() );
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pProp->SetFlags( pSendTableProp->GetFlags() );
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if ( CommandLine()->FindParm("-dti" ) && pSendTableProp->GetParentArrayPropName() )
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{
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pProp->m_pParentArrayPropName = COM_StringCopy( pSendTableProp->GetParentArrayPropName() );
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}
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if ( pProp->m_Type == DPT_DataTable )
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{
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const char *pDTName = pSendTableProp->m_pExcludeDTName; // HACK
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if ( pSendTableProp->GetDataTable() )
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pDTName = pSendTableProp->GetDataTable()->m_pNetTableName;
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Assert( pDTName && Q_strlen(pDTName) > 0 );
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pClientProp->SetTableName( COM_StringCopy( pDTName ) );
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// Normally we wouldn't care about this but we need to compare it against
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// proxies in the server DLL in SendTable_BuildHierarchy.
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pProp->SetDataTableProxyFn( pSendTableProp->GetDataTableProxyFn() );
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pProp->SetOffset( pSendTableProp->GetOffset() );
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}
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else
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{
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if ( pProp->IsExcludeProp() )
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{
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pProp->m_pExcludeDTName = COM_StringCopy( pSendTableProp->GetExcludeDTName() );
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}
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else if ( pProp->GetType() == DPT_Array )
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{
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pProp->SetNumElements( pSendTableProp->GetNumElements() );
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}
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else
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{
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pProp->m_fLowValue = pSendTableProp->m_fLowValue;
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pProp->m_fHighValue = pSendTableProp->m_fHighValue;
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pProp->m_nBits = pSendTableProp->m_nBits;
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}
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}
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}
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return true;
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}
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// If the table's ID is -1, writes its info into the buffer and increments curID.
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void DataTable_MaybeCreateReceiveTable( CUtlVector< SendTable * >& visited, SendTable *pTable, bool bNeedDecoder )
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{
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// Already sent?
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if ( visited.Find( pTable ) != visited.InvalidIndex() )
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return;
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visited.AddToTail( pTable );
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DataTable_SetupReceiveTableFromSendTable( pTable, bNeedDecoder );
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}
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void DataTable_MaybeCreateReceiveTable_R( CUtlVector< SendTable * >& visited, SendTable *pTable )
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{
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DataTable_MaybeCreateReceiveTable( visited, pTable, false );
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// Make sure we send child send tables..
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for(int i=0; i < pTable->m_nProps; i++)
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{
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SendProp *pProp = &pTable->m_pProps[i];
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if( pProp->m_Type == DPT_DataTable )
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{
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DataTable_MaybeCreateReceiveTable_R( visited, pProp->GetDataTable() );
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}
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}
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}
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void DataTable_CreateClientTablesFromServerTables()
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{
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if ( !serverGameDLL )
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{
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Sys_Error( "DataTable_CreateClientTablesFromServerTables: No serverGameDLL loaded!" );
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}
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ServerClass *pClasses = serverGameDLL->GetAllServerClasses();
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ServerClass *pCur;
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CUtlVector< SendTable * > visited;
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// First, we send all the leaf classes. These are the ones that will need decoders
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// on the client.
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for ( pCur=pClasses; pCur; pCur=pCur->m_pNext )
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{
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DataTable_MaybeCreateReceiveTable( visited, pCur->m_pTable, true );
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}
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// Now, we send their base classes. These don't need decoders on the client
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// because we will never send these SendTables by themselves.
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for ( pCur=pClasses; pCur; pCur=pCur->m_pNext )
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{
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DataTable_MaybeCreateReceiveTable_R( visited, pCur->m_pTable );
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}
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}
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void DataTable_CreateClientClassInfosFromServerClasses( CBaseClientState *pState )
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{
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if ( !serverGameDLL )
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{
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Sys_Error( "DataTable_CreateClientClassInfosFromServerClasses: No serverGameDLL loaded!" );
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}
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ServerClass *pClasses = serverGameDLL->GetAllServerClasses();
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// Count the number of classes.
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int nClasses = 0;
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for ( ServerClass *pCount=pClasses; pCount; pCount=pCount->m_pNext )
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{
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++nClasses;
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}
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// Remove old
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if ( pState->m_pServerClasses )
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{
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delete [] pState->m_pServerClasses;
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}
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Assert( nClasses > 0 );
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pState->m_nServerClasses = nClasses;
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pState->m_pServerClasses = new C_ServerClassInfo[ pState->m_nServerClasses ];
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if ( !pState->m_pServerClasses )
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{
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Host_EndGame(true, "CL_ParseClassInfo: can't allocate %d C_ServerClassInfos.\n", pState->m_nServerClasses);
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return;
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}
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// Now fill in the entries
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int curID = 0;
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for ( ServerClass *pClass=pClasses; pClass; pClass=pClass->m_pNext )
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{
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Assert( pClass->m_ClassID >= 0 && pClass->m_ClassID < nClasses );
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pClass->m_ClassID = curID++;
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pState->m_pServerClasses[ pClass->m_ClassID ].m_ClassName = COM_StringCopy( pClass->m_pNetworkName );
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pState->m_pServerClasses[ pClass->m_ClassID ].m_DatatableName = COM_StringCopy( pClass->m_pTable->GetName() );
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}
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}
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// If the table's ID is -1, writes its info into the buffer and increments curID.
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void DataTable_MaybeWriteSendTableBuffer( SendTable *pTable, bf_write *pBuf, bool bNeedDecoder )
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{
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// Already sent?
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if ( pTable->GetWriteFlag() )
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return;
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pTable->SetWriteFlag( true );
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pBuf->WriteOneBit( 1 ); // next SendTable follows
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pBuf->WriteOneBit( bNeedDecoder?1:0 );
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SendTable_WriteInfos( pTable, pBuf );
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}
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// Calls DataTable_MaybeWriteSendTable recursively.
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void DataTable_MaybeWriteSendTableBuffer_R( SendTable *pTable, bf_write *pBuf )
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{
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DataTable_MaybeWriteSendTableBuffer( pTable, pBuf, false );
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// Make sure we send child send tables..
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for(int i=0; i < pTable->m_nProps; i++)
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{
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SendProp *pProp = &pTable->m_pProps[i];
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if( pProp->m_Type == DPT_DataTable )
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{
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DataTable_MaybeWriteSendTableBuffer_R( pProp->GetDataTable(), pBuf );
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}
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}
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}
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void DataTable_ClearWriteFlags_R( SendTable *pTable )
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{
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pTable->SetWriteFlag( false );
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for(int i=0; i < pTable->m_nProps; i++)
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{
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SendProp *pProp = &pTable->m_pProps[i];
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if( pProp->m_Type == DPT_DataTable )
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{
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DataTable_ClearWriteFlags_R( pProp->GetDataTable() );
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}
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}
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}
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void DataTable_ClearWriteFlags( ServerClass *pClasses )
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{
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for ( ServerClass *pCur=pClasses; pCur; pCur=pCur->m_pNext )
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{
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DataTable_ClearWriteFlags_R( pCur->m_pTable );
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}
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}
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void DataTable_WriteSendTablesBuffer( ServerClass *pClasses, bf_write *pBuf )
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{
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ServerClass *pCur;
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DataTable_ClearWriteFlags( pClasses );
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// First, we send all the leaf classes. These are the ones that will need decoders
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// on the client.
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for ( pCur=pClasses; pCur; pCur=pCur->m_pNext )
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{
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DataTable_MaybeWriteSendTableBuffer( pCur->m_pTable, pBuf, true );
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}
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// Now, we send their base classes. These don't need decoders on the client
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// because we will never send these SendTables by themselves.
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for ( pCur=pClasses; pCur; pCur=pCur->m_pNext )
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{
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DataTable_MaybeWriteSendTableBuffer_R( pCur->m_pTable, pBuf );
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}
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// Signal no more send tables
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pBuf->WriteOneBit( 0 );
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}
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void DataTable_WriteClassInfosBuffer(ServerClass *pClasses, bf_write *pBuf )
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{
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int count = 0;
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ServerClass *pClass = pClasses;
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// first count total number of classes in list
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while ( pClass != NULL )
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{
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pClass=pClass->m_pNext;
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count++;
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}
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// write number of classes
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pBuf->WriteShort( count );
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pClass = pClasses; // go back to first class
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// write each class info
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while ( pClass != NULL )
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{
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pBuf->WriteShort( pClass->m_ClassID );
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pBuf->WriteString( pClass->m_pNetworkName );
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pBuf->WriteString( pClass->m_pTable->GetName() );
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pClass=pClass->m_pNext;
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}
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}
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bool DataTable_ParseClassInfosFromBuffer( CClientState *pState, bf_read *pBuf )
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{
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if(pState->m_pServerClasses)
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{
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delete [] pState->m_pServerClasses;
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}
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pState->m_nServerClasses = pBuf->ReadShort();
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Assert( pState->m_nServerClasses );
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pState->m_pServerClasses = new C_ServerClassInfo[pState->m_nServerClasses];
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if ( !pState->m_pServerClasses )
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{
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Host_EndGame(true, "CL_ParseClassInfo: can't allocate %d C_ServerClassInfos.\n", pState->m_nServerClasses);
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return false;
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}
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for ( int i = 0; i < pState->m_nServerClasses; i++ )
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{
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int classID = pBuf->ReadShort();
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if( classID >= pState->m_nServerClasses )
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{
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Host_EndGame(true, "DataTable_ParseClassInfosFromBuffer: invalid class index (%d).\n", classID);
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return false;
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}
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pState->m_pServerClasses[classID].m_ClassName = pBuf->ReadAndAllocateString();
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pState->m_pServerClasses[classID].m_DatatableName = pBuf->ReadAndAllocateString();
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}
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return true;
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}
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bool DataTable_LoadDataTablesFromBuffer( bf_read *pBuf, int nDemoProtocol )
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{
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// Okay, read them out of the buffer since they weren't recorded into the main network stream during recording
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// Create all of the send tables locally
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// was DataTable_ParseClientTablesFromBuffer()
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while ( pBuf->ReadOneBit() != 0 )
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{
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bool bNeedsDecoder = pBuf->ReadOneBit() != 0;
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if ( !RecvTable_RecvClassInfos( pBuf, bNeedsDecoder, nDemoProtocol ) )
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{
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Host_Error( "DataTable_ParseClientTablesFromBuffer failed.\n" );
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return false;
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}
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}
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// Now create all of the server classes locally, too
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return DataTable_ParseClassInfosFromBuffer( &cl, pBuf );
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}
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