source-engine/engine/materialproxyfactory.cpp
2022-06-05 01:12:37 +03:00

71 lines
2.0 KiB
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include <stdlib.h>
#include <string.h>
#include "materialsystem/imaterialproxy.h"
#include "materialproxyfactory.h"
#include "toolframework/itoolframework.h"
#include "toolframework/itoolsystem.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
extern CSysModule *g_ClientDLLModule;
IMaterialProxy *CMaterialProxyFactory::CreateProxy( const char *proxyName )
{
#if !defined(SWDS)
IMaterialProxy *materialProxy = LookupProxy( proxyName, Sys_GetFactory( g_ClientDLLModule ) );
// If the client didn't have it and we're in tool mode, ask the tools...
if ( toolframework->InToolMode() && !materialProxy )
{
materialProxy = toolframework->LookupProxy( proxyName );
}
if( !materialProxy )
{
ConDMsg( "Can't find material proxy \"%s\"\n", proxyName );
return NULL;
}
return materialProxy;
#else
return NULL;
#endif
}
void CMaterialProxyFactory::DeleteProxy( IMaterialProxy *pProxy )
{
// how do you delete something generated by an interface.h factory?
if( pProxy )
{
pProxy->Release();
}
}
//-----------------------------------------------------------------------------
// Look up proxy
//-----------------------------------------------------------------------------
IMaterialProxy *CMaterialProxyFactory::LookupProxy( const char *proxyName, CreateInterfaceFn factory )
{
if( !factory )
return NULL;
// allocate exactly enough memory for the versioned name on the stack.
char *proxyVersionedName;
int buflen = Q_strlen( proxyName ) + Q_strlen( IMATERIAL_PROXY_INTERFACE_VERSION ) + 1;
proxyVersionedName = ( char * )_alloca( buflen );
Q_strncpy( proxyVersionedName, proxyName, buflen );
Q_strncat( proxyVersionedName, IMATERIAL_PROXY_INTERFACE_VERSION, buflen, COPY_ALL_CHARACTERS );
return ( IMaterialProxy * )factory( proxyVersionedName, NULL );
}