SendProp SendPropQuaternion(
const char *pVarName,
int offset,
int sizeofVar,
int nBits, // Number of bits to use when encoding.
int flags,
float fLowValue, // For floating point, low and high values.
float fHighValue, // High value. If HIGH_DEFAULT, it's (1<<nBits).
SendVarProxyFn varProxy
)
{
SendProp ret;
if(varProxy == SendProxy_QuaternionToQuaternion)
{
Assert(sizeofVar == sizeof(Quaternion));
}
if ( nBits == 32 )
flags |= SPROP_NOSCALE;
ret.m_Type = DPT_Quaternion;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.m_nBits = nBits;
ret.SetFlags( flags );
ret.m_fLowValue = fLowValue;
ret.m_fHighValue = fHighValue;
ret.m_fHighLowMul = AssignRangeMultiplier( ret.m_nBits, ret.m_fHighValue - ret.m_fLowValue );
ret.SetProxyFn( varProxy );
if( ret.GetFlags() & (SPROP_COORD | SPROP_NOSCALE | SPROP_NORMAL | SPROP_COORD_MP | SPROP_COORD_MP_LOWPRECISION | SPROP_COORD_MP_INTEGRAL) )
ret.m_nBits = 0;
return ret;
}
bool UTIL_FindInSendTable(SendTable *pTable,
const char *name,
sm_sendprop_info_t *info,
unsigned int offset)
{
const char *pname;
int props = pTable->GetNumProps();
SendProp *prop;
for (int i=0; i<props; i++)
{
prop = pTable->GetProp(i);
pname = prop->GetName();
if (pname && strcmp(name, pname) == 0)
{
info->prop = prop;
info->actual_offset = offset + info->prop->GetOffset();
return true;
}
if (prop->GetDataTable())
{
if (UTIL_FindInSendTable(prop->GetDataTable(),
name,
info,
offset + prop->GetOffset())
)
{
return true;
}
}
}
return false;
}
void SendTable_PrintStats( void )
{
int numTables = 0;
int numFloats = 0;
int numStrings = 0;
int numArrays = 0;
int numInts = 0;
int numVecs = 0;
int numSubTables = 0;
int numSendProps = 0;
int numFlatProps = 0;
int numExcludeProps = 0;
for ( int i=0; i < g_SendTables.Count(); i++ )
{
SendTable *st = g_SendTables[i];
numTables++;
numSendProps += st->GetNumProps();
numFlatProps += st->m_pPrecalc->GetNumProps();
for ( int j=0; j < st->GetNumProps(); j++ )
{
SendProp* sp = st->GetProp( j );
if ( sp->IsExcludeProp() )
{
numExcludeProps++;
continue; // no real sendprops
}
if ( sp->IsInsideArray() )
continue;
switch( sp->GetType() )
{
case DPT_Int : numInts++; break;
case DPT_Float : numFloats++; break;
case DPT_Vector : numVecs++; break;
case DPT_String : numStrings++; break;
case DPT_Array : numArrays++; break;
case DPT_DataTable : numSubTables++; break;
}
}
}
Msg("Total Send Table stats\n");
Msg("Send Tables : %i\n", numTables );
Msg("Send Props : %i\n", numSendProps );
Msg("Flat Props : %i\n", numFlatProps );
Msg("Int Props : %i\n", numInts );
Msg("Float Props : %i\n", numFloats );
Msg("Vector Props: %i\n", numVecs );
Msg("String Props: %i\n", numStrings );
Msg("Array Props : %i\n", numArrays );
Msg("Table Props : %i\n", numSubTables );
Msg("Exclu Props : %i\n", numExcludeProps );
}
// ============================================================================
// >> HELPER FUNCTIONS
// ============================================================================
SendTable* GetNextSendTable(SendTable* pTable)
{
for (int i=0; i < pTable->GetNumProps(); ++i)
{
SendProp* pProp = pTable->GetProp(i);
if (strcmp(pProp->GetName(), "baseclass") != 0)
continue;
return pProp->GetDataTable();
}
return NULL;
}
SendProp SendPropExclude(
char *pDataTableName, // Data table name (given to BEGIN_SEND_TABLE and BEGIN_RECV_TABLE).
char *pPropName // Name of the property to exclude.
)
{
SendProp ret;
ret.SetFlags( SPROP_EXCLUDE );
ret.m_pExcludeDTName = pDataTableName;
ret.m_pVarName = pPropName;
return ret;
}
void Array_SkipProp( const SendProp *pProp, bf_read *pIn )
{
SendProp *pArrayProp = pProp->GetArrayProp();
AssertMsg( pArrayProp, ("Array_SkipProp: missing m_pArrayProp for a property.") );
int nElements = pIn->ReadUBitLong( pProp->GetNumArrayLengthBits() );
for ( int i=0; i < nElements; i++ )
{
// skip over data
g_PropTypeFns[pArrayProp->GetType()].SkipProp( pArrayProp, pIn );
}
}
static cell_t GetTeamClientCount(IPluginContext *pContext, const cell_t *params)
{
int teamindex = params[1];
if (teamindex >= (int)g_Teams.size() || !g_Teams[teamindex].ClassName)
{
return pContext->ThrowNativeError("Team index %d is invalid", teamindex);
}
SendProp *pProp = g_pGameHelpers->FindInSendTable(g_Teams[teamindex].ClassName, "\"player_array\"");
ArrayLengthSendProxyFn fn = pProp->GetArrayLengthProxy();
return fn(g_Teams[teamindex].pEnt, 0);
}
SendProp SendPropFloat(
const char *pVarName,
// Variable name.
int offset, // Offset into container structure.
int sizeofVar,
int nBits, // Number of bits to use when encoding.
int flags,
float fLowValue, // For floating point, low and high values.
float fHighValue, // High value. If HIGH_DEFAULT, it's (1<<nBits).
SendVarProxyFn varProxy
)
{
SendProp ret;
if ( varProxy == SendProxy_FloatToFloat )
{
Assert( sizeofVar == 0 || sizeofVar == 4 );
}
if ( nBits <= 0 || nBits == 32 )
{
flags |= SPROP_NOSCALE;
fLowValue = 0.f;
fHighValue = 0.f;
}
else
{
if(fHighValue == HIGH_DEFAULT)
fHighValue = (1 << nBits);
if (flags & SPROP_ROUNDDOWN)
fHighValue = fHighValue - ((fHighValue - fLowValue) / (1 << nBits));
else if (flags & SPROP_ROUNDUP)
fLowValue = fLowValue + ((fHighValue - fLowValue) / (1 << nBits));
}
ret.m_Type = DPT_Float;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.m_nBits = nBits;
ret.SetFlags( flags );
ret.m_fLowValue = fLowValue;
ret.m_fHighValue = fHighValue;
ret.m_fHighLowMul = AssignRangeMultiplier( ret.m_nBits, ret.m_fHighValue - ret.m_fLowValue );
ret.SetProxyFn( varProxy );
if( ret.GetFlags() & (SPROP_COORD | SPROP_NOSCALE | SPROP_NORMAL | SPROP_COORD_MP | SPROP_COORD_MP_LOWPRECISION | SPROP_COORD_MP_INTEGRAL ) )
ret.m_nBits = 0;
return ret;
}
void DataTable_ClearWriteFlags_R( SendTable *pTable )
{
pTable->SetWriteFlag( false );
for(int i=0; i < pTable->m_nProps; i++)
{
SendProp *pProp = &pTable->m_pProps[i];
if( pProp->m_Type == DPT_DataTable )
{
DataTable_ClearWriteFlags_R( pProp->GetDataTable() );
}
}
}
CTeamplayRoundBasedRules *GetTeamplayRoundBasedGameRulesPointer()
{
SendProp *pSendProp = SCHelpers::GetPropFromClassAndTable( "CTFGameRulesProxy", "DT_TeamplayRoundBasedRulesProxy", "teamplayroundbased_gamerules_data" );
if ( pSendProp )
{
SendTableProxyFn proxyfn = pSendProp->GetDataTableProxyFn();
if ( proxyfn )
{
CSendProxyRecipients recp;
void *pGameRules = proxyfn( NULL, NULL, NULL, &recp, 0 );
return reinterpret_cast<CTeamplayRoundBasedRules*>(pGameRules);
}
}
return NULL;
}
// Calls DataTable_MaybeWriteSendTable recursively.
void DataTable_MaybeWriteSendTableBuffer_R( SendTable *pTable, bf_write *pBuf )
{
DataTable_MaybeWriteSendTableBuffer( pTable, pBuf, false );
// Make sure we send child send tables..
for(int i=0; i < pTable->m_nProps; i++)
{
SendProp *pProp = &pTable->m_pProps[i];
if( pProp->m_Type == DPT_DataTable )
{
DataTable_MaybeWriteSendTableBuffer_R( pProp->GetDataTable(), pBuf );
}
}
}
void DataTable_MaybeCreateReceiveTable_R( CUtlVector< SendTable * >& visited, SendTable *pTable )
{
DataTable_MaybeCreateReceiveTable( visited, pTable, false );
// Make sure we send child send tables..
for(int i=0; i < pTable->m_nProps; i++)
{
SendProp *pProp = &pTable->m_pProps[i];
if( pProp->m_Type == DPT_DataTable )
{
DataTable_MaybeCreateReceiveTable_R( visited, pProp->GetDataTable() );
}
}
}
bool Array_IsEncodedZero( const SendProp *pProp, bf_read *pIn )
{
SendProp *pArrayProp = pProp->GetArrayProp();
AssertMsg( pArrayProp, ("Array_IsEncodedZero: missing m_pArrayProp for a property.") );
int nElements = pIn->ReadUBitLong( pProp->GetNumArrayLengthBits() );
for ( int i=0; i < nElements; i++ )
{
// skip over data
g_PropTypeFns[pArrayProp->GetType()].IsEncodedZero( pArrayProp, pIn );
}
return nElements == 0;;
}
cell_t GetOffset(IPluginContext *pContext, const cell_t *params) {
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError err;
HandleSecurity sec;
sec.pOwner = NULL;
sec.pIdentity = myself->GetIdentity();
SendProp *pProp;
if ((err=g_pHandleSys->ReadHandle(hndl, g_SendTableHandle, &sec, (void **)&pProp)) != HandleError_None)
{
return pContext->ThrowNativeError("Invalid SendProp handle %x (error %d)", hndl, err);
}
return pProp->GetOffset();
}
void UTIL_DrawSendTable(FILE *fp, SendTable *pTable, int level)
{
char spaces[255];
for (int i=0; i<level; i++)
spaces[i] = ' ';
spaces[level] = '\0';
const char *name, *type;
SendProp *pProp;
fprintf(fp, "%sSub-Class Table (%d Deep): %s\n", spaces, level, pTable->GetName());
for (int i=0; i<pTable->GetNumProps(); i++)
{
pProp = pTable->GetProp(i);
name = pProp->GetName();
if (pProp->GetDataTable())
{
UTIL_DrawSendTable(fp, pProp->GetDataTable(), level + 1);
}
else
{
type = GetDTTypeName(pProp->GetType());
if (type != NULL)
{
fprintf(fp,
"%s-Member: %s (offset %d) (type %s) (bits %d)\n",
spaces,
pProp->GetName(),
pProp->GetOffset(),
type,
pProp->m_nBits);
}
else
{
fprintf(fp,
"%s-Member: %s (offset %d) (type %d) (bits %d)\n",
spaces,
pProp->GetName(),
pProp->GetOffset(),
pProp->GetType(),
pProp->m_nBits);
}
}
}
}
void AddSendTable(SendTable* pTable, OffsetsMap& offsets, int offset=0, const char* baseName=NULL)
{
for (int i=0; i < pTable->GetNumProps(); ++i)
{
SendProp* pProp = pTable->GetProp(i);
if (strcmp(pProp->GetName(), "baseclass") == 0)
continue;
int currentOffset = offset + pProp->GetOffset();
char* currentName = NULL;
if (baseName == NULL) {
currentName = (char*) pProp->GetName();
}
else {
char tempName[256];
sprintf(tempName, "%s.%s", baseName, pProp->GetName());
currentName = strdup(tempName);
}
if (pProp->GetType() == DPT_DataTable)
{
AddSendTable(pProp->GetDataTable(), offsets, currentOffset, currentName);
}
else
{
offsets.insert(std::make_pair(currentName, currentOffset));
}
}
}
SendProp SendPropString(
char *pVarName,
int offset,
int bufferLen,
int flags,
SendVarProxyFn varProxy)
{
SendProp ret;
Assert( bufferLen <= DT_MAX_STRING_BUFFERSIZE ); // You can only have strings with 8-bits worth of length.
ret.m_Type = DPT_String;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.SetFlags( flags );
ret.SetProxyFn( varProxy );
return ret;
}
const char *tools_GetTeamName(int team)
{
if (size_t(team) >= g_Teams.size())
return NULL;
if (g_teamname_offset == 0)
return NULL;
if (g_teamname_offset == -1)
{
SendProp *prop = g_pGameHelpers->FindInSendTable(g_Teams[team].ClassName, "m_szTeamname");
if (prop == NULL)
{
g_teamname_offset = 0;
return NULL;
}
g_teamname_offset = prop->GetOffset();
}
return (const char *)((unsigned char *)g_Teams[team].pEnt + g_teamname_offset);
}
static cell_t SetTeamScore(IPluginContext *pContext, const cell_t *params)
{
if (!g_pSM->IsMapRunning())
{
return pContext->ThrowNativeError("Cannot set team score when no map is running");
}
int teamindex = params[1];
if (teamindex >= (int)g_Teams.size() || !g_Teams[teamindex].ClassName)
{
return pContext->ThrowNativeError("Team index %d is invalid", teamindex);
}
if (m_iScore == NULL)
{
m_iScore = g_pGameConf->GetKeyValue("m_iScore");
if (m_iScore == NULL)
{
return pContext->ThrowNativeError("Failed to get m_iScore key");
}
}
static int offset = -1;
if (offset == -1)
{
SendProp *prop = g_pGameHelpers->FindInSendTable(g_Teams[teamindex].ClassName, m_iScore);
if (!prop)
{
return pContext->ThrowNativeError("Failed to get m_iScore prop");
}
offset = prop->GetOffset();
}
CBaseEntity *pTeam = g_Teams[teamindex].pEnt;
*(int *)((unsigned char *)pTeam + offset) = params[2];
edict_t *pEdict = gameents->BaseEntityToEdict(pTeam);
gamehelpers->SetEdictStateChanged(pEdict, offset);
return 1;
}
void UTIL_DrawSendTable_XML(FILE *fp, SendTable *pTable, int space_count)
{
char spaces[255];
for (int i = 0; i < space_count; i++)
{
spaces[i] = ' ';
}
spaces[space_count] = '\0';
const char *type_name;
SendTable *pOtherTable;
SendProp *pProp;
fprintf(fp, " %s<sendtable name=\"%s\">\n", spaces, pTable->GetName());
for (int i = 0; i < pTable->GetNumProps(); i++)
{
pProp = pTable->GetProp(i);
fprintf(fp, " %s<property name=\"%s\">\n", spaces, pProp->GetName());
if ((type_name = GetDTTypeName(pProp->GetType())) != NULL)
{
fprintf(fp, " %s<type>%s</type>\n", spaces, type_name);
}
else
{
fprintf(fp, " %s<type>%d</type>\n", spaces, pProp->GetType());
}
fprintf(fp, " %s<offset>%d</offset>\n", spaces, pProp->GetOffset());
fprintf(fp, " %s<bits>%d</bits>\n", spaces, pProp->m_nBits);
if ((pOtherTable = pTable->GetProp(i)->GetDataTable()) != NULL)
{
UTIL_DrawSendTable_XML(fp, pOtherTable, space_count + 3);
}
fprintf(fp, " %s</property>\n", spaces);
}
fprintf(fp, " %s</sendtable>\n", spaces);
}
SendProp InternalSendPropArray(
const int elementCount,
const int elementStride,
char *pName,
ArrayLengthSendProxyFn arrayLengthFn
)
{
SendProp ret;
ret.m_Type = DPT_Array;
ret.m_nElements = elementCount;
ret.m_ElementStride = elementStride;
ret.m_pVarName = pName;
ret.SetProxyFn( SendProxy_Empty );
ret.m_pArrayProp = NULL; // This gets set in SendTable_InitTable. It always points at the property that precedes
// this one in the datatable's list.
ret.SetArrayLengthProxy( arrayLengthFn );
return ret;
}
SendProp SendPropDataTable(
char *pVarName,
int offset,
SendTable *pTable,
SendTableProxyFn varProxy
)
{
SendProp ret;
ret.m_Type = DPT_DataTable;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.SetDataTable( pTable );
ret.SetDataTableProxyFn( varProxy );
// Handle special proxy types where they always let all clients get the results.
if ( varProxy == SendProxy_DataTableToDataTable || varProxy == SendProxy_DataTablePtrToDataTable )
{
ret.SetFlags( SPROP_PROXY_ALWAYS_YES );
}
if ( varProxy == SendProxy_DataTableToDataTable && offset == 0 )
{
ret.SetFlags( SPROP_COLLAPSIBLE );
}
return ret;
}
void InitTeamNatives()
{
g_Teams.clear();
g_Teams.resize(1);
int edictCount = gpGlobals->maxEntities;
for (int i=0; i<edictCount; i++)
{
edict_t *pEdict = PEntityOfEntIndex(i);
if (!pEdict || pEdict->IsFree())
{
continue;
}
if (!pEdict->GetNetworkable())
{
continue;
}
ServerClass *pClass = pEdict->GetNetworkable()->GetServerClass();
if (FindNestedDataTable(pClass->m_pTable, "DT_Team"))
{
SendProp *pTeamNumProp = g_pGameHelpers->FindInSendTable(pClass->GetName(), "m_iTeamNum");
if (pTeamNumProp != NULL)
{
int offset = pTeamNumProp->GetOffset();
CBaseEntity *pEnt = pEdict->GetUnknown()->GetBaseEntity();
int TeamIndex = *(int *)((unsigned char *)pEnt + offset);
if (TeamIndex >= (int)g_Teams.size())
{
g_Teams.resize(TeamIndex+1);
}
g_Teams[TeamIndex].ClassName = pClass->GetName();
g_Teams[TeamIndex].pEnt = pEnt;
}
}
}
}
void EntityProp::getOffset(SendTable * table, istringstream & propPathLeft)
{
// Get the next step into the props table
string pathNextStep;
getline(propPathLeft, pathNextStep, '.');
//Msg("Scanning %s...\n", propPathLeft.c_str());
int nbrProps = table->GetNumProps();
int i=0;
while(i<nbrProps)
{
SendProp * sProp = table->GetProp(i);
if (pathNextStep == sProp->GetName())
{
offset += sProp->GetOffset();
switch(sProp->GetType())
{
case DPT_Int:
case DPT_Float:
case DPT_Vector:
case DPT_String:
case DPT_Array:
// Found the prop itself, the offset is up to date
i = nbrProps; // break
break;
case DPT_DataTable:
// Step reached, go to the next step
getOffset(sProp->GetDataTable(), propPathLeft);
break;
default:
// Prop not found
offset = 0;
i = nbrProps; // break
}
}
i++;
}
}
void Array_Encode( const unsigned char *pStruct, DVariant *pVar, const SendProp *pProp, bf_write *pOut, int objectID )
{
SendProp *pArrayProp = pProp->GetArrayProp();
AssertMsg( pArrayProp, ("Array_Encode: missing m_pArrayProp for SendProp '%s'.", pProp->m_pVarName) );
int nElements = Array_GetLength( pStruct, pProp, objectID );
// Write the number of elements.
pOut->WriteUBitLong( nElements, pProp->GetNumArrayLengthBits() );
unsigned char *pCurStructOffset = (unsigned char*)pStruct + pArrayProp->GetOffset();
for ( int iElement=0; iElement < nElements; iElement++ )
{
DVariant var;
// Call the proxy to get the value, then encode.
pArrayProp->GetProxyFn()( pArrayProp, pStruct, pCurStructOffset, &var, iElement, objectID );
g_PropTypeFns[pArrayProp->GetType()].Encode( pStruct, &var, pArrayProp, pOut, objectID );
pCurStructOffset += pProp->GetElementStride();
}
}
void SDKTools::OnCoreMapStart(edict_t *pEdictList, int edictCount, int clientMax)
{
g_Teams.clear();
g_Teams.resize(1);
for (int i=0; i<edictCount; i++)
{
edict_t *pEdict = engine->PEntityOfEntIndex(i);
if (!pEdict || pEdict->IsFree())
{
continue;
}
if (!pEdict->GetNetworkable())
{
continue;
}
ServerClass *pClass = pEdict->GetNetworkable()->GetServerClass();
if (FindTeamEntities(pClass->m_pTable, "DT_Team"))
{
SendProp *pTeamNumProp = g_pGameHelpers->FindInSendTable(pClass->GetName(), "m_iTeamNum");
if (pTeamNumProp != NULL)
{
int offset = pTeamNumProp->GetOffset();
CBaseEntity *pEnt = pEdict->GetUnknown()->GetBaseEntity();
int TeamIndex = *(int *)((unsigned char *)pEnt + offset);
if (TeamIndex >= (int)g_Teams.size())
{
g_Teams.resize(TeamIndex+1);
}
g_Teams[TeamIndex].ClassName = pClass->GetName();
g_Teams[TeamIndex].pEnt = pEnt;
}
}
}
}
//---------------------------------------------------------------------------------
// Purpose: used by the GetPropOffsetFromTable func to get a specific table
//---------------------------------------------------------------------------------
SendTable *GetDataTable( const char *pTableName, SendTable *pTable )
{
if (!pTable)
return NULL;
if ( FStrEq( pTableName, pTable->GetName() ) )
return pTable;
int num = pTable->GetNumProps();
for (int i = 0; i < num; i++)
{
SendProp *pProp = pTable->GetProp(i);
if (pProp)
{
SendTable *pSubTable = GetDataTable( pTableName, pProp->GetDataTable() );
if (pSubTable == NULL)
continue;
if ( FStrEq(pSubTable->GetName(), pTableName) )
return pSubTable;
}
}
return NULL;
}
cell_t GetTypeString(IPluginContext *pContext, const cell_t *params) {
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError err;
HandleSecurity sec;
sec.pOwner = NULL;
sec.pIdentity = myself->GetIdentity();
SendProp *pProp;
if ((err=g_pHandleSys->ReadHandle(hndl, g_SendTableHandle, &sec, (void **)&pProp)) != HandleError_None)
{
return pContext->ThrowNativeError("Invalid SendProp handle %x (error %d)", hndl, err);
}
const char *sType = GetDTTypeName(pProp->GetType());
if(sType != NULL) {
pContext->StringToLocal(params[2], params[3], sType);
return strlen(sType);
}
return 0;
}
static void SendTable_CalcNextVectorElems( SendTable *pTable )
{
for ( int i=0; i < pTable->GetNumProps(); i++ )
{
SendProp *pProp = pTable->GetProp( i );
if ( pProp->GetType() == DPT_DataTable )
{
SendTable_CalcNextVectorElems( pProp->GetDataTable() );
}
else if ( pProp->GetOffset() < 0 )
{
pProp->SetOffset( -pProp->GetOffset() );
pProp->SetFlags( pProp->GetFlags() | SPROP_IS_A_VECTOR_ELEM );
}
}
}
bool FindNestedDataTable(SendTable *pTable, const char *name)
{
if (strcmp(pTable->GetName(), name) == 0)
{
return true;
}
int props = pTable->GetNumProps();
SendProp *prop;
for (int i=0; i<props; i++)
{
prop = pTable->GetProp(i);
if (prop->GetDataTable())
{
if (FindNestedDataTable(prop->GetDataTable(), name))
{
return true;
}
}
}
return false;
}
