diff options
Diffstat (limited to 'cheat/internal_rewrite/Valve/dt_recv.h')
| -rw-r--r-- | cheat/internal_rewrite/Valve/dt_recv.h | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/cheat/internal_rewrite/Valve/dt_recv.h b/cheat/internal_rewrite/Valve/dt_recv.h new file mode 100644 index 0000000..6e73bdb --- /dev/null +++ b/cheat/internal_rewrite/Valve/dt_recv.h @@ -0,0 +1,590 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $NoKeywords: $ +// +//=============================================================================// + +#pragma warning( push, 0 ) + +#ifndef DATATABLE_RECV_H +#define DATATABLE_RECV_H + +#ifdef _WIN32 +#pragma once +#endif + +#include "dt_common.h" + +#define ADDRESSPROXY_NONE -1 + + +class RecvTable; +class RecvProp; + + +// This is passed into RecvProxy functions. +class CRecvProxyData +{ +public: + const RecvProp *m_pRecvProp; // The property it's receiving. + + DVariant m_Value; // The value given to you to store. + + int m_iElement; // Which array element you're getting. + + int m_ObjectID; // The object being referred to. +}; + + +//----------------------------------------------------------------------------- +// pStruct = the base structure of the datatable this variable is in (like C_BaseEntity) +// pOut = the variable that this this proxy represents (like C_BaseEntity::m_SomeValue). +// +// Convert the network-standard-type value in m_Value into your own format in pStruct/pOut. +//----------------------------------------------------------------------------- +typedef void( *RecvVarProxyFn )( const CRecvProxyData *pData, void *pStruct, void *pOut ); + +// ------------------------------------------------------------------------ // +// ArrayLengthRecvProxies are optionally used to get the length of the +// incoming array when it changes. +// ------------------------------------------------------------------------ // +typedef void( *ArrayLengthRecvProxyFn )( void *pStruct, int objectID, int currentArrayLength ); + + +// NOTE: DataTable receive proxies work differently than the other proxies. +// pData points at the object + the recv table's offset. +// pOut should be set to the location of the object to unpack the data table into. +// If the parent object just contains the child object, the default proxy just does *pOut = pData. +// If the parent object points at the child object, you need to dereference the pointer here. +// NOTE: don't ever return null from a DataTable receive proxy function. Bad things will happen. +typedef void( *DataTableRecvVarProxyFn )( const RecvProp *pProp, void **pOut, void *pData, int objectID ); + + +// This is used to fork over the standard proxy functions to the engine so it can +// make some optimizations. +class CStandardRecvProxies +{ +public: + CStandardRecvProxies(); + + RecvVarProxyFn m_Int32ToInt8; + RecvVarProxyFn m_Int32ToInt16; + RecvVarProxyFn m_Int32ToInt32; + RecvVarProxyFn m_FloatToFloat; + RecvVarProxyFn m_VectorToVector; +#ifdef SUPPORTS_INT64 + RecvVarProxyFn m_Int64ToInt64; +#endif +}; +extern CStandardRecvProxies g_StandardRecvProxies; + + +class CRecvDecoder; + + +class RecvProp +{ + // This info comes from the receive data table. +public: + RecvProp(); + + void InitArray( int nElements, int elementStride ); + + int GetNumElements() const; + void SetNumElements( int nElements ); + + int GetElementStride() const; + void SetElementStride( int stride ); + + int GetFlags() const; + + const char* GetName() const; + SendPropType GetType() const; + + RecvTable* GetDataTable() const; + void SetDataTable( RecvTable *pTable ); + + RecvVarProxyFn GetProxyFn() const; + void SetProxyFn( RecvVarProxyFn fn ); + + DataTableRecvVarProxyFn GetDataTableProxyFn() const; + void SetDataTableProxyFn( DataTableRecvVarProxyFn fn ); + + int GetOffset() const; + void SetOffset( int o ); + + // Arrays only. + RecvProp* GetArrayProp() const; + void SetArrayProp( RecvProp *pProp ); + + // Arrays only. + void SetArrayLengthProxy( ArrayLengthRecvProxyFn proxy ); + ArrayLengthRecvProxyFn GetArrayLengthProxy() const; + + bool IsInsideArray() const; + void SetInsideArray(); + + // Some property types bind more data to the prop in here. + const void* GetExtraData() const; + void SetExtraData( const void *pData ); + + // If it's one of the numbered "000", "001", etc properties in an array, then + // these can be used to get its array property name for debugging. + const char* GetParentArrayPropName(); + void SetParentArrayPropName( const char *pArrayPropName ); + +public: + + const char *m_pVarName; + SendPropType m_RecvType; + int m_Flags; + int m_StringBufferSize; + + +public: + + bool m_bInsideArray; // Set to true by the engine if this property sits inside an array. + + // Extra data that certain special property types bind to the property here. + const void *m_pExtraData; + + // If this is an array (DPT_Array). + RecvProp *m_pArrayProp; + ArrayLengthRecvProxyFn m_ArrayLengthProxy; + + RecvVarProxyFn m_ProxyFn; + DataTableRecvVarProxyFn m_DataTableProxyFn; // For RDT_DataTable. + + RecvTable *m_pDataTable; // For RDT_DataTable. + int m_Offset; + + int m_ElementStride; + int m_nElements; + + // If it's one of the numbered "000", "001", etc properties in an array, then + // these can be used to get its array property name for debugging. + const char *m_pParentArrayPropName; +}; + + +class RecvTable +{ +public: + + typedef RecvProp PropType; + + RecvTable(); + RecvTable( RecvProp *pProps, int nProps, const char *pNetTableName ); + ~RecvTable(); + + void Construct( RecvProp *pProps, int nProps, const char *pNetTableName ); + + int GetNumProps(); + RecvProp* GetProp( int i ); + + const char* GetName(); + + // Used by the engine while initializing array props. + void SetInitialized( bool bInitialized ); + bool IsInitialized() const; + + // Used by the engine. + void SetInMainList( bool bInList ); + bool IsInMainList() const; + + +public: + + // Properties described in a table. + RecvProp *m_pProps; + int m_nProps; + + // The decoder. NOTE: this covers each RecvTable AND all its children (ie: its children + // will have their own decoders that include props for all their children). + CRecvDecoder *m_pDecoder; + + const char *m_pNetTableName; // The name matched between client and server. + + +private: + + bool m_bInitialized; + bool m_bInMainList; +}; + + +inline int RecvTable::GetNumProps() +{ + return m_nProps; +} + +inline RecvProp* RecvTable::GetProp( int i ) +{ + return &m_pProps[ i ]; +} + +inline const char* RecvTable::GetName() +{ + return m_pNetTableName; +} + +inline void RecvTable::SetInitialized( bool bInitialized ) +{ + m_bInitialized = bInitialized; +} + +inline bool RecvTable::IsInitialized() const +{ + return m_bInitialized; +} + +inline void RecvTable::SetInMainList( bool bInList ) +{ + m_bInMainList = bInList; +} + +inline bool RecvTable::IsInMainList() const +{ + return m_bInMainList; +} + + +// ------------------------------------------------------------------------------------------------------ // +// See notes on BEGIN_SEND_TABLE for a description. These macros work similarly. +// ------------------------------------------------------------------------------------------------------ // +#define BEGIN_RECV_TABLE(className, tableName) \ + BEGIN_RECV_TABLE_NOBASE(className, tableName) \ + RecvPropDataTable("baseclass", 0, 0, className::BaseClass::m_pClassRecvTable, DataTableRecvProxy_StaticDataTable), + +#define BEGIN_RECV_TABLE_NOBASE(className, tableName) \ + template <typename T> int ClientClassInit(T *); \ + namespace tableName { \ + struct ignored; \ + } \ + template <> int ClientClassInit<tableName::ignored>(tableName::ignored *); \ + namespace tableName { \ + RecvTable g_RecvTable; \ + int g_RecvTableInit = ClientClassInit((tableName::ignored *)NULL); \ + } \ + template <> int ClientClassInit<tableName::ignored>(tableName::ignored *) \ + { \ + typedef className currentRecvDTClass; \ + const char *pRecvTableName = #tableName; \ + RecvTable &RecvTable = tableName::g_RecvTable; \ + static RecvProp RecvProps[] = { \ + RecvPropInt("should_never_see_this", 0, sizeof(int)), // It adds a dummy property at the start so you can define "empty" SendTables. + +#define END_RECV_TABLE() \ + }; \ + RecvTable.Construct(RecvProps+1, sizeof(RecvProps) / sizeof(RecvProp) - 1, pRecvTableName); \ + return 1; \ + } + + +#define RECVINFO(varName) #varName, offsetof(currentRecvDTClass, varName), sizeof(((currentRecvDTClass*)0)->varName) +#define RECVINFO_NAME(varName, remoteVarName) #remoteVarName, offsetof(currentRecvDTClass, varName), sizeof(((currentRecvDTClass*)0)->varName) +#define RECVINFO_STRING(varName) #varName, offsetof(currentRecvDTClass, varName), STRINGBUFSIZE(currentRecvDTClass, varName) +#define RECVINFO_BASECLASS(tableName) RecvPropDataTable("this", 0, 0, &REFERENCE_RECV_TABLE(tableName)) +#define RECVINFO_ARRAY(varName) #varName, offsetof(currentRecvDTClass, varName), sizeof(((currentRecvDTClass*)0)->varName[0]), sizeof(((currentRecvDTClass*)0)->varName)/sizeof(((currentRecvDTClass*)0)->varName[0]) + +// Just specify the name and offset. Used for strings and data tables. +#define RECVINFO_NOSIZE(varName) #varName, offsetof(currentRecvDTClass, varName) +#define RECVINFO_DT(varName) RECVINFO_NOSIZE(varName) +#define RECVINFO_DTNAME(varName,remoteVarName) #remoteVarName, offsetof(currentRecvDTClass, varName) + + +void RecvProxy_FloatToFloat( const CRecvProxyData *pData, void *pStruct, void *pOut ); +void RecvProxy_VectorToVector( const CRecvProxyData *pData, void *pStruct, void *pOut ); +void RecvProxy_VectorXYToVectorXY( const CRecvProxyData *pData, void *pStruct, void *pOut ); +void RecvProxy_QuaternionToQuaternion( const CRecvProxyData *pData, void *pStruct, void *pOut ); +void RecvProxy_Int32ToInt8( const CRecvProxyData *pData, void *pStruct, void *pOut ); +void RecvProxy_Int32ToInt16( const CRecvProxyData *pData, void *pStruct, void *pOut ); +void RecvProxy_StringToString( const CRecvProxyData *pData, void *pStruct, void *pOut ); +void RecvProxy_Int32ToInt32( const CRecvProxyData *pData, void *pStruct, void *pOut ); +#ifdef SUPPORTS_INT64 +void RecvProxy_Int64ToInt64( const CRecvProxyData *pData, void *pStruct, void *pOut ); +#endif + +// StaticDataTable does *pOut = pData. +void DataTableRecvProxy_StaticDataTable( const RecvProp *pProp, void **pOut, void *pData, int objectID ); + +// PointerDataTable does *pOut = *((void**)pData) (ie: pData is a pointer to the object to decode into). +void DataTableRecvProxy_PointerDataTable( const RecvProp *pProp, void **pOut, void *pData, int objectID ); + + +RecvProp RecvPropFloat( + const char *pVarName, + int offset, + int sizeofVar = SIZEOF_IGNORE, // Handled by RECVINFO macro, but set to SIZEOF_IGNORE if you don't want to bother. + int flags = 0, + RecvVarProxyFn varProxy = RecvProxy_FloatToFloat + ); + +RecvProp RecvPropVector( + const char *pVarName, + int offset, + int sizeofVar = SIZEOF_IGNORE, // Handled by RECVINFO macro, but set to SIZEOF_IGNORE if you don't want to bother. + int flags = 0, + RecvVarProxyFn varProxy = RecvProxy_VectorToVector + ); + +RecvProp RecvPropVectorXY( + const char *pVarName, + int offset, + int sizeofVar = SIZEOF_IGNORE, // Handled by RECVINFO macro, but set to SIZEOF_IGNORE if you don't want to bother. + int flags = 0, + RecvVarProxyFn varProxy = RecvProxy_VectorXYToVectorXY + ); + +// This is here so the RecvTable can look more like the SendTable. +#define RecvPropQAngles RecvPropVector + +#if 0 // We can't ship this since it changes the size of DTVariant to be 20 bytes instead of 16 and that breaks MODs!!! + +RecvProp RecvPropQuaternion( + const char *pVarName, + int offset, + int sizeofVar = SIZEOF_IGNORE, // Handled by RECVINFO macro, but set to SIZEOF_IGNORE if you don't want to bother. + int flags = 0, + RecvVarProxyFn varProxy = RecvProxy_QuaternionToQuaternion + ); +#endif + +RecvProp RecvPropInt( + const char *pVarName, + int offset, + int sizeofVar = SIZEOF_IGNORE, // Handled by RECVINFO macro, but set to SIZEOF_IGNORE if you don't want to bother. + int flags = 0, + RecvVarProxyFn varProxy = 0 + ); + +RecvProp RecvPropString( + const char *pVarName, + int offset, + int bufferSize, + int flags = 0, + RecvVarProxyFn varProxy = RecvProxy_StringToString + ); + +RecvProp RecvPropDataTable( + const char *pVarName, + int offset, + int flags, + RecvTable *pTable, + DataTableRecvVarProxyFn varProxy = DataTableRecvProxy_StaticDataTable + ); + +RecvProp RecvPropArray3( + const char *pVarName, + int offset, + int sizeofVar, + int elements, + RecvProp pArrayProp, + DataTableRecvVarProxyFn varProxy = DataTableRecvProxy_StaticDataTable + ); + +// Use the macro to let it automatically generate a table name. You shouldn't +// ever need to reference the table name. If you want to exclude this array, then +// reference the name of the variable in varTemplate. +RecvProp InternalRecvPropArray( + const int elementCount, + const int elementStride, + const char *pName, + ArrayLengthRecvProxyFn proxy + ); + + +// +// Use this if you want to completely manage the way the array data is stored. +// You'll need to provide a proxy inside varTemplate that looks for 'iElement' +// to figure out where to store the specified element. +// +#define RecvPropVirtualArray( arrayLengthProxy, maxArrayLength, varTemplate, propertyName ) \ + varTemplate, \ + InternalRecvPropArray( \ + maxArrayLength, \ + 0, \ + #propertyName, \ + arrayLengthProxy \ + ) + + +// Use this and pass the array name and it will figure out the count and stride automatically. +#define RecvPropVariableLengthArray( arrayLengthProxy, varTemplate, arrayName ) \ + varTemplate, \ + InternalRecvPropArray( \ + sizeof(((currentRecvDTClass*)0)->arrayName) / PROPSIZEOF(currentRecvDTClass, arrayName[0]), \ + PROPSIZEOF(currentRecvDTClass, arrayName[0]), \ + #arrayName, \ + arrayLengthProxy \ + ) + + +// Use this and pass the array name and it will figure out the count and stride automatically. +#define RecvPropArray( varTemplate, arrayName ) \ + RecvPropVariableLengthArray( 0, varTemplate, arrayName ) + + +// Use this one to specify the element count and stride manually. +#define RecvPropArray2( arrayLengthProxy, varTemplate, elementCount, elementStride, arrayName ) \ + varTemplate, \ + InternalRecvPropArray( elementCount, elementStride, #arrayName, arrayLengthProxy ) + + +// ---------------------------------------------------------------------------------------- // +// Inlines. +// ---------------------------------------------------------------------------------------- // + +inline void RecvProp::InitArray( int nElements, int elementStride ) +{ + m_RecvType = DPT_Array; + m_nElements = nElements; + m_ElementStride = elementStride; +} + +inline int RecvProp::GetNumElements() const +{ + return m_nElements; +} + +inline void RecvProp::SetNumElements( int nElements ) +{ + m_nElements = nElements; +} + +inline int RecvProp::GetElementStride() const +{ + return m_ElementStride; +} + +inline void RecvProp::SetElementStride( int stride ) +{ + m_ElementStride = stride; +} + +inline int RecvProp::GetFlags() const +{ + return m_Flags; +} + +inline const char* RecvProp::GetName() const +{ + return m_pVarName; +} + +inline SendPropType RecvProp::GetType() const +{ + return m_RecvType; +} + +inline RecvTable* RecvProp::GetDataTable() const +{ + return m_pDataTable; +} + +inline void RecvProp::SetDataTable( RecvTable *pTable ) +{ + m_pDataTable = pTable; +} + +inline RecvVarProxyFn RecvProp::GetProxyFn() const +{ + return m_ProxyFn; +} + +inline void RecvProp::SetProxyFn( RecvVarProxyFn fn ) +{ + m_ProxyFn = fn; +} + +inline DataTableRecvVarProxyFn RecvProp::GetDataTableProxyFn() const +{ + return m_DataTableProxyFn; +} + +inline void RecvProp::SetDataTableProxyFn( DataTableRecvVarProxyFn fn ) +{ + m_DataTableProxyFn = fn; +} + +inline int RecvProp::GetOffset() const +{ + return m_Offset; +} + +inline void RecvProp::SetOffset( int o ) +{ + m_Offset = o; +} + +inline RecvProp* RecvProp::GetArrayProp() const +{ + return m_pArrayProp; +} + +inline void RecvProp::SetArrayProp( RecvProp *pProp ) +{ + m_pArrayProp = pProp; +} + +inline void RecvProp::SetArrayLengthProxy( ArrayLengthRecvProxyFn proxy ) +{ + m_ArrayLengthProxy = proxy; +} + +inline ArrayLengthRecvProxyFn RecvProp::GetArrayLengthProxy() const +{ + return m_ArrayLengthProxy; +} + +inline bool RecvProp::IsInsideArray() const +{ + return m_bInsideArray; +} + +inline void RecvProp::SetInsideArray() +{ + m_bInsideArray = true; +} + +inline const void* RecvProp::GetExtraData() const +{ + return m_pExtraData; +} + +inline void RecvProp::SetExtraData( const void *pData ) +{ + m_pExtraData = pData; +} + +inline const char* RecvProp::GetParentArrayPropName() +{ + return m_pParentArrayPropName; +} + +inline void RecvProp::SetParentArrayPropName( const char *pArrayPropName ) +{ + m_pParentArrayPropName = pArrayPropName; +} + +inline void**& GetVTable( void* instance ) +{ + return *reinterpret_cast<void***>( ( size_t )instance ); +} + +inline const void** GetVTable( const void* instance ) +{ + return *reinterpret_cast<const void***>( ( size_t )instance ); +} + +template<typename T> +inline T GetMethod( const void* instance, size_t index ) +{ + return reinterpret_cast<T>( GetVTable( instance )[ index ] ); +} + +#endif // DATATABLE_RECV_H + +#pragma warning( pop )
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