From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001 From: Joe Ludwig Date: Wed, 26 Jun 2013 15:22:04 -0700 Subject: First version of the SOurce SDK 2013 --- mp/src/utils/common/filesystem_tools.cpp | 209 +++++++++++++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100644 mp/src/utils/common/filesystem_tools.cpp (limited to 'mp/src/utils/common/filesystem_tools.cpp') diff --git a/mp/src/utils/common/filesystem_tools.cpp b/mp/src/utils/common/filesystem_tools.cpp new file mode 100644 index 00000000..9714c57a --- /dev/null +++ b/mp/src/utils/common/filesystem_tools.cpp @@ -0,0 +1,209 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +//===========================================================================// + +#if defined( _WIN32 ) && !defined( _X360 ) +#include +#include +#include // _chmod +#elif _LINUX +#include +#endif + +#include +#include +#include "tier1/strtools.h" +#include "filesystem_tools.h" +#include "tier0/icommandline.h" +#include "KeyValues.h" +#include "tier2/tier2.h" + +#ifdef MPI + #include "vmpi.h" + #include "vmpi_tools_shared.h" + #include "vmpi_filesystem.h" +#endif + +// memdbgon must be the last include file in a .cpp file!!! +#include + + +// ---------------------------------------------------------------------------------------------------- // +// Module interface. +// ---------------------------------------------------------------------------------------------------- // + +IBaseFileSystem *g_pFileSystem = NULL; + +// These are only used for tools that need the search paths that the engine's file system provides. +CSysModule *g_pFullFileSystemModule = NULL; + +// --------------------------------------------------------------------------- +// +// These are the base paths that everything will be referenced relative to (textures especially) +// All of these directories include the trailing slash +// +// --------------------------------------------------------------------------- + +// This is the the path of the initial source file (relative to the cwd) +char qdir[1024]; + +// This is the base engine + mod-specific game dir (e.g. "c:\tf2\mytfmod\") +char gamedir[1024]; + +void FileSystem_SetupStandardDirectories( const char *pFilename, const char *pGameInfoPath ) +{ + // Set qdir. + if ( !pFilename ) + { + pFilename = "."; + } + + Q_MakeAbsolutePath( qdir, sizeof( qdir ), pFilename, NULL ); + Q_StripFilename( qdir ); + Q_strlower( qdir ); + if ( qdir[0] != 0 ) + { + Q_AppendSlash( qdir, sizeof( qdir ) ); + } + + // Set gamedir. + Q_MakeAbsolutePath( gamedir, sizeof( gamedir ), pGameInfoPath ); + Q_AppendSlash( gamedir, sizeof( gamedir ) ); +} + + +bool FileSystem_Init_Normal( const char *pFilename, FSInitType_t initType, bool bOnlyUseDirectoryName ) +{ + if ( initType == FS_INIT_FULL ) + { + // First, get the name of the module + char fileSystemDLLName[MAX_PATH]; + bool bSteam; + if ( FileSystem_GetFileSystemDLLName( fileSystemDLLName, MAX_PATH, bSteam ) != FS_OK ) + return false; + + // If we're under Steam we need extra setup to let us find the proper modules + FileSystem_SetupSteamInstallPath(); + + // Next, load the module, call Connect/Init. + CFSLoadModuleInfo loadModuleInfo; + loadModuleInfo.m_pFileSystemDLLName = fileSystemDLLName; + loadModuleInfo.m_pDirectoryName = pFilename; + loadModuleInfo.m_bOnlyUseDirectoryName = bOnlyUseDirectoryName; + loadModuleInfo.m_ConnectFactory = Sys_GetFactoryThis(); + loadModuleInfo.m_bSteam = bSteam; + loadModuleInfo.m_bToolsMode = true; + if ( FileSystem_LoadFileSystemModule( loadModuleInfo ) != FS_OK ) + return false; + + // Next, mount the content + CFSMountContentInfo mountContentInfo; + mountContentInfo.m_pDirectoryName= loadModuleInfo.m_GameInfoPath; + mountContentInfo.m_pFileSystem = loadModuleInfo.m_pFileSystem; + mountContentInfo.m_bToolsMode = true; + if ( FileSystem_MountContent( mountContentInfo ) != FS_OK ) + return false; + + // Finally, load the search paths. + CFSSearchPathsInit searchPathsInit; + searchPathsInit.m_pDirectoryName = loadModuleInfo.m_GameInfoPath; + searchPathsInit.m_pFileSystem = loadModuleInfo.m_pFileSystem; + if ( FileSystem_LoadSearchPaths( searchPathsInit ) != FS_OK ) + return false; + + // Store the data we got from filesystem_init. + g_pFileSystem = g_pFullFileSystem = loadModuleInfo.m_pFileSystem; + g_pFullFileSystemModule = loadModuleInfo.m_pModule; + + FileSystem_AddSearchPath_Platform( g_pFullFileSystem, loadModuleInfo.m_GameInfoPath ); + + FileSystem_SetupStandardDirectories( pFilename, loadModuleInfo.m_GameInfoPath ); + } + else + { + if ( !Sys_LoadInterface( + "filesystem_stdio", + FILESYSTEM_INTERFACE_VERSION, + &g_pFullFileSystemModule, + (void**)&g_pFullFileSystem ) ) + { + return false; + } + + if ( g_pFullFileSystem->Init() != INIT_OK ) + return false; + + g_pFullFileSystem->RemoveAllSearchPaths(); + g_pFullFileSystem->AddSearchPath( "../platform", "PLATFORM" ); + g_pFullFileSystem->AddSearchPath( ".", "GAME" ); + + g_pFileSystem = g_pFullFileSystem; + } + + return true; +} + + +bool FileSystem_Init( const char *pBSPFilename, int maxMemoryUsage, FSInitType_t initType, bool bOnlyUseFilename ) +{ + Assert( CommandLine()->GetCmdLine() != NULL ); // Should have called CreateCmdLine by now. + + // If this app uses VMPI, then let VMPI intercept all filesystem calls. +#if defined( MPI ) + if ( g_bUseMPI ) + { + if ( g_bMPIMaster ) + { + if ( !FileSystem_Init_Normal( pBSPFilename, initType, bOnlyUseFilename ) ) + return false; + + g_pFileSystem = g_pFullFileSystem = VMPI_FileSystem_Init( maxMemoryUsage, g_pFullFileSystem ); + SendQDirInfo(); + } + else + { + g_pFileSystem = g_pFullFileSystem = VMPI_FileSystem_Init( maxMemoryUsage, NULL ); + RecvQDirInfo(); + } + return true; + } +#endif + + return FileSystem_Init_Normal( pBSPFilename, initType, bOnlyUseFilename ); +} + + +void FileSystem_Term() +{ +#if defined( MPI ) + if ( g_bUseMPI ) + { + g_pFileSystem = g_pFullFileSystem = VMPI_FileSystem_Term(); + } +#endif + + if ( g_pFullFileSystem ) + { + g_pFullFileSystem->Shutdown(); + g_pFullFileSystem = NULL; + g_pFileSystem = NULL; + } + + if ( g_pFullFileSystemModule ) + { + Sys_UnloadModule( g_pFullFileSystemModule ); + g_pFullFileSystemModule = NULL; + } +} + + +CreateInterfaceFn FileSystem_GetFactory() +{ +#if defined( MPI ) + if ( g_bUseMPI ) + return VMPI_FileSystem_GetFactory(); +#endif + return Sys_GetFactory( g_pFullFileSystemModule ); +} -- cgit v1.2.3