src/vg/vg_steam.h

   1 #ifndef VG_STEAM_H
   2 #define VG_STEAM_H
   3
   4 #include "vg.h"
   5
   6 #if defined(__linux__) || defined(__APPLE__)
   7 /*
   8  * The 32-bit version of gcc has the alignment requirement for u64 and double
   9  * set to 4 meaning that even with #pragma pack(8) these types will only be
  10  * four-byte aligned. The 64-bit version of gcc has the alignment requirement
  11  * for these types set to 8 meaning that unless we use #pragma pack(4) our
  12  * structures will get bigger. The 64-bit structure packing has to match the
  13  * 32-bit structure packing for each platform.
  14  */
  15  #define VALVE_CALLBACK_PACK_SMALL
  16  #pragma pack( push, 4 )
  17 #else
  18  #define VALVE_CALLBACK_PACK_LARGE
  19  #pragma pack( push, 8 )
  20 #endif
  21
  22 typedef i32     HSteamPipe;
  23 typedef i32     HSteamUser;
  24
  25 typedef int E_iCallBack_t;
  26
  27 typedef u64     u64_steamid;
  28 typedef u64 SteamAPICall_t;
  29
  30 typedef u32 AppId_t;
  31 const AppId_t k_uAppIdInvalid = 0x0;
  32
  33 typedef u32 DepotId_t;
  34 const DepotId_t k_uDepotIdInvalid = 0x0;
  35
  36 typedef u32 RTime32;
  37
  38 enum { k_iSteamUserCallbacks = 100 };
  39 enum { k_iSteamGameServerCallbacks = 200 };
  40 enum { k_iSteamFriendsCallbacks = 300 };
  41 enum { k_iSteamBillingCallbacks = 400 };
  42 enum { k_iSteamMatchmakingCallbacks = 500 };
  43 enum { k_iSteamContentServerCallbacks = 600 };
  44 enum { k_iSteamUtilsCallbacks = 700 };
  45 enum { k_iClientFriendsCallbacks = 800 };
  46 enum { k_iClientUserCallbacks = 900 };
  47 enum { k_iSteamAppsCallbacks = 1000 };
  48 enum { k_iSteamUserStatsCallbacks = 1100 };
  49 enum { k_iSteamNetworkingCallbacks = 1200 };
  50 enum { k_iSteamNetworkingSocketsCallbacks = 1220 };
  51 enum { k_iSteamNetworkingMessagesCallbacks = 1250 };
  52 enum { k_iSteamNetworkingUtilsCallbacks = 1280 };
  53 enum { k_iClientRemoteStorageCallbacks = 1300 };
  54 enum { k_iClientDepotBuilderCallbacks = 1400 };
  55 enum { k_iSteamGameServerItemsCallbacks = 1500 };
  56 enum { k_iClientUtilsCallbacks = 1600 };
  57 enum { k_iSteamGameCoordinatorCallbacks = 1700 };
  58 enum { k_iSteamGameServerStatsCallbacks = 1800 };
  59 enum { k_iSteam2AsyncCallbacks = 1900 };
  60 enum { k_iSteamGameStatsCallbacks = 2000 };
  61 enum { k_iClientHTTPCallbacks = 2100 };
  62 enum { k_iClientScreenshotsCallbacks = 2200 };
  63 enum { k_iSteamScreenshotsCallbacks = 2300 };
  64 enum { k_iClientAudioCallbacks = 2400 };
  65 enum { k_iClientUnifiedMessagesCallbacks = 2500 };
  66 enum { k_iSteamStreamLauncherCallbacks = 2600 };
  67 enum { k_iClientControllerCallbacks = 2700 };
  68 enum { k_iSteamControllerCallbacks = 2800 };
  69 enum { k_iClientParentalSettingsCallbacks = 2900 };
  70 enum { k_iClientDeviceAuthCallbacks = 3000 };
  71 enum { k_iClientNetworkDeviceManagerCallbacks = 3100 };
  72 enum { k_iClientMusicCallbacks = 3200 };
  73 enum { k_iClientRemoteClientManagerCallbacks = 3300 };
  74 enum { k_iClientUGCCallbacks = 3400 };
  75 enum { k_iSteamStreamClientCallbacks = 3500 };
  76 enum { k_IClientProductBuilderCallbacks = 3600 };
  77 enum { k_iClientShortcutsCallbacks = 3700 };
  78 enum { k_iClientRemoteControlManagerCallbacks = 3800 };
  79 enum { k_iSteamAppListCallbacks = 3900 };
  80 enum { k_iSteamMusicCallbacks = 4000 };
  81 enum { k_iSteamMusicRemoteCallbacks = 4100 };
  82 enum { k_iClientVRCallbacks = 4200 };
  83 enum { k_iClientGameNotificationCallbacks = 4300 };
  84 enum { k_iSteamGameNotificationCallbacks = 4400 };
  85 enum { k_iSteamHTMLSurfaceCallbacks = 4500 };
  86 enum { k_iClientVideoCallbacks = 4600 };
  87 enum { k_iClientInventoryCallbacks = 4700 };
  88 enum { k_iClientBluetoothManagerCallbacks = 4800 };
  89 enum { k_iClientSharedConnectionCallbacks = 4900 };
  90 enum { k_ISteamParentalSettingsCallbacks = 5000 };
  91 enum { k_iClientShaderCallbacks = 5100 };
  92 enum { k_iSteamGameSearchCallbacks = 5200 };
  93 enum { k_iSteamPartiesCallbacks = 5300 };
  94 enum { k_iClientPartiesCallbacks = 5400 };
  95 enum { k_iSteamSTARCallbacks = 5500 };
  96 enum { k_iClientSTARCallbacks = 5600 };
  97 enum { k_iSteamRemotePlayCallbacks = 5700 };
  98 enum { k_iClientCompatCallbacks = 5800 };
  99 enum { k_iSteamChatCallbacks = 5900 };
 100
 101 // General result codes
 102 typedef enum EResult
 103 {
 104         k_EResultNone = 0,                                      // no result
 105         k_EResultOK     = 1,                                            // success
 106         k_EResultFail = 2,                                      // generic failure
 107         k_EResultNoConnection = 3,                      // no/failed network connection
 108 //      k_EResultNoConnectionRetry = 4, // OBSOLETE - removed
 109         k_EResultInvalidPassword = 5,           // password/ticket is invalid
 110         k_EResultLoggedInElsewhere = 6, // same user logged in elsewhere
 111         k_EResultInvalidProtocolVer = 7,        // protocol version is incorrect
 112         k_EResultInvalidParam = 8,                      // a parameter is incorrect
 113         k_EResultFileNotFound = 9,                      // file was not found
 114         k_EResultBusy = 10,                                     // called method busy - action not taken
 115         k_EResultInvalidState = 11,             // called object was in an invalid state
 116         k_EResultInvalidName = 12,                 // name is invalid
 117         k_EResultInvalidEmail = 13,             // email is invalid
 118         k_EResultDuplicateName = 14,            // name is not unique
 119         k_EResultAccessDenied = 15,             // access is denied
 120         k_EResultTimeout = 16,                     // operation timed out
 121         k_EResultBanned = 17,                           // VAC2 banned
 122         k_EResultAccountNotFound = 18,  // account not found
 123         k_EResultInvalidSteamID = 19,           // steamID is invalid
 124         k_EResultServiceUnavailable = 20,// The requested service is currently
 125                                     // unavailable
 126         k_EResultNotLoggedOn = 21,       // The user is not logged on
 127         k_EResultPending = 22,                          // Request is pending (may be in process, or
 128                                     // waiting on third party)
 129         k_EResultEncryptionFailure = 23,                // Encryption or Decryption failed
 130         k_EResultInsufficientPrivilege = 24,// Insufficient privilege
 131         k_EResultLimitExceeded = 25,                    // Too much of a good thing
 132         k_EResultRevoked = 26,                          // Access has been revoked (used for revoked
 133                                     // guest passes)
 134         k_EResultExpired = 27,                          // License/Guest pass the user is trying to
 135                                     // access is expired
 136         k_EResultAlreadyRedeemed = 28,  // Guest pass has already been redeemed by
 137                                     // account, cannot be acked again
 138         k_EResultDuplicateRequest = 29, // The request is a duplicate and the action
 139                                     // has already occurred in the past, ignored
 140                                     // this time
 141         k_EResultAlreadyOwned = 30,             // All the games in this guest pass
 142                                     // redemption request are already owned by
 143                                     // the user
 144         k_EResultIPNotFound = 31,                       // IP address not found
 145         k_EResultPersistFailed = 32,            // failed to write change to the data store
 146         k_EResultLockingFailed = 33,            // failed to acquire access lock for this
 147                                     // operation
 148         k_EResultLogonSessionReplaced = 34,
 149         k_EResultConnectFailed = 35,
 150         k_EResultHandshakeFailed = 36,
 151         k_EResultIOFailure = 37,
 152         k_EResultRemoteDisconnect = 38,
 153         k_EResultShoppingCartNotFound = 39,     // failed to find the shopping cart
 154                                        // requested
 155         k_EResultBlocked = 40,                                  // a user didn't allow it
 156         k_EResultIgnored = 41,                                  // target is ignoring sender
 157         k_EResultNoMatch = 42,                                  // nothing matching the request found
 158         k_EResultAccountDisabled = 43,
 159         k_EResultServiceReadOnly = 44,          // this service is not accepting content
 160                                        // changes right now
 161         k_EResultAccountNotFeatured = 45,       // account doesn't have value, so this
 162                                        // feature isn't available
 163         k_EResultAdministratorOK = 46,          // allowed to take this action, but only
 164                                        // because requester is admin
 165         k_EResultContentVersion = 47,                   // A Version mismatch in content
 166                                        // transmitted within the Steam protocol.
 167         k_EResultTryAnotherCM = 48,                     // The current CM can't service the user
 168                                        // making a request, user should try
 169                                        // another.
 170         k_EResultPasswordRequiredToKickSession = 49, // You are already logged in
 171                                        // elsewhere, this cached credential
 172                                        // login has failed.
 173         k_EResultAlreadyLoggedInElsewhere = 50, // You are already logged in
 174                                            // elsewhere, you must wait
 175         k_EResultSuspended = 51,   // Long running operation (content download)
 176                               // suspended/paused
 177         k_EResultCancelled = 52,   // Operation canceled (typically by user:
 178                               // content download)
 179         k_EResultDataCorruption = 53,   // Operation canceled because data is ill
 180                                  // formed or unrecoverable
 181         k_EResultDiskFull = 54,                 // Operation canceled - not enough disk space.
 182         k_EResultRemoteCallFailed = 55, // an remote call or IPC call failed
 183         k_EResultPasswordUnset = 56,            // Password could not be verified as it's
 184                                     // unset server side
 185         k_EResultExternalAccountUnlinked = 57,  // External account (PSN, Facebook...)
 186                                           // is not linked to a Steam account
 187         k_EResultPSNTicketInvalid = 58,                 // PSN ticket was invalid
 188         k_EResultExternalAccountAlreadyLinked = 59,     // External account (PSN,
 189          // Facebook...) is already linked to some other account,
 190          // must explicitly request to replace/delete the link first
 191         k_EResultRemoteFileConflict = 60, // The sync cannot resume due to a conflict
 192                                      // between the local and remote files
 193         k_EResultIllegalPassword = 61,   // The requested new password is not legal
 194         k_EResultSameAsPreviousValue = 62,// new value is the same as the old one (
 195                                      // secret question and answer )
 196         k_EResultAccountLogonDenied = 63, // account login denied due to 2nd factor
 197                                      // authentication failure
 198         k_EResultCannotUseOldPassword = 64,     // The requested new password is not
 199                                        // legal
 200         k_EResultInvalidLoginAuthCode = 65,     // account login denied due to auth code
 201                                        // invalid
 202         k_EResultAccountLogonDeniedNoMail = 66, // account login denied due to 2nd
 203                                            // factor auth failure - and no mail
 204                                            // has been sent
 205         k_EResultHardwareNotCapableOfIPT = 67,
 206         k_EResultIPTInitError = 68,
 207         k_EResultParentalControlRestricted = 69,// operation failed due to parental
 208                                            // control restrictions for current
 209                                            // user
 210         k_EResultFacebookQueryError = 70,                // Facebook query returned an error
 211         k_EResultExpiredLoginAuthCode = 71,              // account login denied due to auth
 212                                            // code expired
 213         k_EResultIPLoginRestrictionFailed = 72,
 214         k_EResultAccountLockedDown = 73,
 215         k_EResultAccountLogonDeniedVerifiedEmailRequired = 74,
 216         k_EResultNoMatchingURL = 75,
 217         k_EResultBadResponse = 76,              // parse failure, missing field, etc.
 218         k_EResultRequirePasswordReEntry = 77, // The user cannot complete the action
 219                                          // until they re-enter their password
 220         k_EResultValueOutOfRange = 78,  // the value entered is outside the
 221                                     // acceptable range
 222         k_EResultUnexpectedError = 79,  // something happened that we didn't expect
 223                                     // to ever happen
 224         k_EResultDisabled = 80,                         // The requested service has been configured
 225                                     // to be unavailable
 226         k_EResultInvalidCEGSubmission = 81,     // The set of files submitted to the CEG
 227                                        // server are not valid !
 228         k_EResultRestrictedDevice = 82,         // The device being used is not allowed
 229                                        // to perform this action
 230         k_EResultRegionLocked = 83,                     // The action could not be complete
 231                                        // because it is region restricted
 232         k_EResultRateLimitExceeded = 84,        // Temporary rate limit exceeded, try
 233                                     // again later, different from
 234                                     // k_EResultLimitExceeded which may be
 235                                     // permanent
 236         k_EResultAccountLoginDeniedNeedTwoFactor = 85, // Need two-factor code to
 237                                                   // login
 238         k_EResultItemDeleted = 86,      // The thing we're trying to access has been
 239                               // deleted
 240         k_EResultAccountLoginDeniedThrottle = 87,       // login attempt failed, try to
 241                                              // throttle response to possible
 242                                              // attacker
 243         k_EResultTwoFactorCodeMismatch = 88,            // two factor code mismatch
 244         k_EResultTwoFactorActivationCodeMismatch = 89,  // activation code for
 245                                                    // two-factor didn't match
 246         k_EResultAccountAssociatedToMultiplePartners = 90,      // account has been
 247                                           // associated with multiple partners
 248         k_EResultNotModified = 91,                                      // data not modified
 249         k_EResultNoMobileDevice = 92,   // the account does not have a mobile
 250                                  // device associated with it
 251         k_EResultTimeNotSynced = 93,    // the time presented is out of range or
 252                                  // tolerance
 253         k_EResultSmsCodeFailed = 94,    // SMS code failure (no match, none pending,
 254                                  // etc.)
 255         k_EResultAccountLimitExceeded = 95,     // Too many accounts access this resource
 256         k_EResultAccountActivityLimitExceeded = 96,// Too many changes to
 257                                               // this account
 258         k_EResultPhoneActivityLimitExceeded = 97,       // Too many changes to this phone
 259         k_EResultRefundToWallet = 98,   // Cannot refund to payment method, must use
 260                                  // wallet
 261         k_EResultEmailSendFailure = 99, // Cannot send an email
 262         k_EResultNotSettled = 100,      // Can't perform operation till payment
 263                               // has settled
 264         k_EResultNeedCaptcha = 101,// Needs to provide a valid captcha
 265         k_EResultGSLTDenied = 102,      // a game server login token owned by this token's
 266                               // owner has been banned
 267         k_EResultGSOwnerDenied = 103,   // game server owner is denied for other reason
 268                         // (account lock, community ban, vac ban, missing phone)
 269         k_EResultInvalidItemType = 104,// the type of thing we were requested to act
 270                                   // on is invalid
 271         k_EResultIPBanned = 105,// the ip address has been banned from taking this
 272                            // action
 273         k_EResultGSLTExpired = 106,// this token has expired from disuse; can be
 274                               // reset for use
 275         k_EResultInsufficientFunds = 107,// user doesn't have enough wallet funds to
 276                                     // complete the action
 277         k_EResultTooManyPending = 108,  // There are too many of this thing pending
 278                                     // already
 279         k_EResultNoSiteLicensesFound = 109,     // No site licenses found
 280         k_EResultWGNetworkSendExceeded = 110,// the WG couldn't send a response
 281                               // because we exceeded max network send size
 282         k_EResultAccountNotFriends = 111, // the user is not mutually friends
 283         k_EResultLimitedUserAccount = 112,// the user is limited
 284         k_EResultCantRemoveItem = 113,   // item can't be removed
 285         k_EResultAccountDeleted = 114,   // account has been deleted
 286         k_EResultExistingUserCancelledLicense = 115,
 287    // A license for this already exists, but cancelled
 288         k_EResultCommunityCooldown = 116,       // access is denied because of a
 289             // community cooldown (probably from support profile data resets)
 290         k_EResultNoLauncherSpecified = 117,     // No launcher was specified, but a
 291    // launcher was needed to choose correct realm for operation.
 292         k_EResultMustAgreeToSSA = 118,// User must agree to china SSA or global SSA
 293                                  // before login
 294         k_EResultLauncherMigrated = 119,        // The specified launcher type is no longer
 295                            // supported; the user should be directed elsewhere
 296         k_EResultSteamRealmMismatch = 120,      // The user's realm does not match the
 297                                        // realm of the requested resource
 298         k_EResultInvalidSignature = 121,                        // signature check did not match
 299         k_EResultParseFailure = 122,            // Failed to parse input
 300         k_EResultNoVerifiedPhone = 123, // account does not have a verified phone
 301                                     // number
 302 } EResult;
 303
 304 typedef struct {
 305
 306         HSteamUser m_hSteamUser;        // Specific user to whom this callback applies.
 307         int m_iCallback;
 308         u8 *m_pubParam;                 // Points to the callback structure
 309         int m_cubParam;                 // Size of the data pointed to by m_pubParam
 310
 311 } CallbackMsg_t;
 312
 313 typedef struct {
 314
 315         SteamAPICall_t m_hAsyncCall;
 316         int m_iCallback;
 317         u32 m_cubParam;
 318
 319 } SteamAPICallCompleted_t;
 320
 321 enum { k_iSteamAPICallCompleted = k_iSteamUtilsCallbacks + 3 };
 322
 323 // Steam universes.  Each universe is a self-contained Steam instance.
 324 typedef enum {
 325         k_EUniverseInvalid = 0,
 326         k_EUniversePublic = 1,
 327         k_EUniverseBeta = 2,
 328         k_EUniverseInternal = 3,
 329         k_EUniverseDev = 4,
 330         // k_EUniverseRC = 5,                           // no such universe anymore
 331         k_EUniverseMax
 332 } EUniverse_t;
 333
 334 struct SteamIDComponent_t
 335 {
 336 #ifdef VALVE_BIG_ENDIAN
 337    EUniverse_t                  m_EUniverse : 8
 338    unsigned int         m_EAccountType : 4;
 339    unsigned int         m_unAccountInstance : 20;
 340    u32                                  m_unAccountID : 32;
 341 #else
 342    u32                                  m_unAccountID : 32;
 343    unsigned int         m_unAccountInstance : 20;
 344    unsigned int         m_EAccountType : 4;
 345    EUniverse_t                  m_EUniverse : 8;
 346 #endif
 347 };
 348
 349 typedef struct
 350 {
 351         // 64 bits total
 352         union
 353    {
 354       struct SteamIDComponent_t m_comp;
 355                 u64 m_unAll64Bits;
 356         };
 357 }
 358 CSteamID;
 359
 360 typedef struct GameID_t
 361 {
 362 #ifdef VALVE_BIG_ENDIAN
 363         unsigned int m_nModID : 32;
 364         unsigned int m_nType : 8;
 365         unsigned int m_nAppID : 24;
 366 #else
 367         unsigned int m_nAppID : 24;
 368         unsigned int m_nType : 8;
 369         unsigned int m_nModID : 32;
 370 #endif
 371 } CGameID;
 372
 373 #pragma pack( pop )
 374
 375 /*
 376  * Standard login
 377  * =============================================================================
 378  */
 379
 380 int   SteamAPI_RestartAppIfNecessary( u32 unOwnAppID );
 381 int   SteamAPI_Init(void);
 382 void  SteamAPI_Shutdown(void);
 383
 384 /*
 385  * Server mode login
 386  * =============================================================================
 387  */
 388
 389 typedef enum EServerMode EServerMode;
 390 enum EServerMode
 391 {
 392         eServerModeInvalid = 0,
 393         eServerModeNoAuthentication = 1,
 394         eServerModeAuthentication = 2,
 395         eServerModeAuthenticationAndSecure = 3,
 396 };
 397
 398 int SteamInternal_GameServer_Init( u32 unIP, u16 usLegacySteamPort,
 399                                    u16 usGamePort, u16 usQueryPort,
 400                                    EServerMode eServerMode,
 401                                    const char *pchVersionString );
 402
 403 /* Initialize SteamGameServer client and interface objects, and set server
 404  * properties which may not be changed.
 405  * After calling this function, you should set any additional server parameters,
 406  * and then call ISteamGameServer::LogOnAnonymous() or ISteamGameServer::LogOn()
 407  *
 408  * - unIP will usually be zero.  If you are on a machine with multiple IP
 409  *   addresses, you can pass a non-zero value here and the relevant sockets will
 410  *   be bound to that IP.  This can be used to ensure that the IP you desire is
 411  *   the one used in the server browser.
 412  * - usGamePort is the port that clients will connect to for gameplay. You will
 413  *   usually open up your own socket bound to this port.
 414  * - usQueryPort is the port that will manage server browser related duties and
 415  *   info pings from clients.  If you pass STEAMGAMESERVER_QUERY_PORT_SHARED for
 416  *   usQueryPort, then it will use "GameSocketShare" mode, which means that the
 417  *   game is responsible for sending and receiving UDP packets for the master
 418  *   server updater.  (See ISteamGameServer::HandleIncomingPacket and
 419  *   ISteamGameServer::GetNextOutgoingPacket.)
 420  * - The version string should be in the form x.x.x.x, and is used by the master
 421  *   server to detect when the server is out of date. (Only servers with the
 422  *   latest version will be listed.)
 423  */
 424 int   SteamGameServer_Init( u32 unIP, u16 usGamePort, u16 usQueryPort,
 425                             EServerMode eServerMode,
 426                             const char *pchVersionString )
 427 {
 428    return SteamInternal_GameServer_Init( unIP, 0, usGamePort, usQueryPort,
 429                                          eServerMode, pchVersionString );
 430 }
 431
 432
 433 void *SteamAPI_SteamGameServer_v014(void);
 434 void *SteamAPI_SteamGameServer(void)
 435 {
 436    return SteamAPI_SteamGameServer_v014();
 437 }
 438
 439 void SteamAPI_ISteamGameServer_LogOnAnonymous( void* self );
 440
 441 void SteamGameServer_Shutdown(void);
 442
 443 int  SteamGameServer_BSecure(void);
 444 u64  SteamGameServer_GetSteamID(void);
 445
 446 /*
 447  * Async callbacks
 448  * =============================================================================
 449  */
 450 typedef struct steam_async steam_async;
 451 struct steam_async
 452 {
 453    SteamAPICall_t id;
 454    void *data;
 455
 456    void (*p_handler)( void *result, void *userdata );
 457 }
 458 static steam_async_trackers[32];
 459 static u32 steam_async_track_count;
 460
 461 steam_async *steam_new_async(void)
 462 {
 463    if( steam_async_track_count == vg_list_size(steam_async_trackers) )
 464    {
 465       vg_error( "Maximum concurrent API calls exceeded (%u)\n",
 466                 steam_async_track_count );
 467       return NULL;
 468    }
 469
 470    return &steam_async_trackers[ steam_async_track_count ++ ];
 471 }
 472
 473 /*
 474  * Regular callbacks
 475  * =============================================================================
 476  */
 477
 478 typedef struct steam_callback_handler steam_callback_handler;
 479 struct steam_callback_handler
 480 {
 481    u32 callback_id;
 482    void (*p_handler)( CallbackMsg_t *msg );
 483 }
 484 static steam_callback_handlers[64];
 485 static u32 steam_callback_handler_count;
 486
 487 static int steam_register_callback( u32 id,
 488                                     void (*p_handler)( CallbackMsg_t *msg ) )
 489 {
 490    if( steam_callback_handler_count == vg_list_size(steam_callback_handlers) )
 491    {
 492       vg_error( "Too many steam callback handlers registered (%u)\n",
 493                   steam_callback_handler_count );
 494
 495       return 0;
 496    }
 497
 498    steam_callback_handler *handler = &steam_callback_handlers[
 499       steam_callback_handler_count ++ ];
 500
 501    handler->p_handler = p_handler;
 502    handler->callback_id = id;
 503
 504    return 1;
 505 }
 506
 507 /*
 508  * Event loop
 509  * =============================================================================
 510  */
 511 HSteamPipe SteamAPI_GetHSteamPipe(void);
 512 HSteamPipe SteamGameServer_GetHSteamPipe(void);
 513 HSteamUser SteamAPI_GetHSteamUser(void);
 514 void    SteamAPI_ManualDispatch_Init(void);
 515 void    SteamAPI_ManualDispatch_RunFrame( HSteamPipe hSteamPipe );
 516 int     SteamAPI_ManualDispatch_GetNextCallback( HSteamPipe hSteamPipe,
 517                                                CallbackMsg_t *pCallbackMsg );
 518 void    SteamAPI_ManualDispatch_FreeLastCallback( HSteamPipe hSteamPipe );
 519 int     SteamAPI_ManualDispatch_GetAPICallResult( HSteamPipe hSteamPipe,
 520          SteamAPICall_t hSteamAPICall, void *pCallback, int cubCallback,
 521          int iCallbackExpected, int *pbFailed );
 522
 523 void    SteamAPI_ReleaseCurrentThreadMemory(void);
 524
 525 static void steamworks_event_loop( HSteamPipe pipe )
 526 {
 527         SteamAPI_ManualDispatch_RunFrame( pipe );
 528         CallbackMsg_t callback;
 529
 530         while( SteamAPI_ManualDispatch_GetNextCallback( pipe, &callback ) )
 531         {
 532                 vg_log( "steamworks_event::callback( %i )\n", callback.m_iCallback );
 533
 534                 /* Check for dispatching API call results */
 535                 if( callback.m_iCallback == k_iSteamAPICallCompleted )
 536       {
 537                         SteamAPICallCompleted_t *pCallCompleted =
 538             (SteamAPICallCompleted_t *)callback.m_pubParam;
 539
 540                         void *pTmpCallResult = malloc( pCallCompleted->m_cubParam );
 541                         int bFailed;
 542
 543                         if( SteamAPI_ManualDispatch_GetAPICallResult(
 544                                 pipe,
 545                                 pCallCompleted->m_hAsyncCall,
 546                                 pTmpCallResult,
 547                                 pCallCompleted->m_cubParam,
 548                                 pCallCompleted->m_iCallback,
 549                                 &bFailed )
 550                         )
 551                         {
 552                                 /*
 553              * Dispatch the call result to the registered handler(s) for the
 554                                  * call identified by pCallCompleted->m_hAsyncCall
 555              */
 556
 557                                 vg_info( "steamworks_event::api_call_completed( %lu )\n",
 558                   pCallCompleted->m_hAsyncCall );
 559
 560             int j=0;
 561             for( int i=0; i<steam_async_track_count; i++ )
 562             {
 563                if( steam_async_trackers[j].id != pCallCompleted->m_hAsyncCall )
 564                {
 565                   steam_async_trackers[j ++] = steam_async_trackers[i];
 566                }
 567                else
 568                {
 569                   steam_async *pasync = &steam_async_trackers[j];
 570                   pasync->p_handler( pTmpCallResult, pasync->data );
 571                }
 572             }
 573
 574             if( steam_async_track_count == j )
 575             {
 576                vg_error( "No tracker was register for API call\n" );
 577             }
 578
 579             steam_async_track_count = j;
 580                         }
 581                         else
 582                         {
 583 #if 0
 584                                 typedef enum ESteamAPICallFailure
 585                                 {
 586                                         k_ESteamAPICallFailureNone = -1,
 587                                         k_ESteamAPICallFailureSteamGone = 0,
 588                                         k_ESteamAPICallFailureNetworkFailure = 1,
 589                                         k_ESteamAPICallFailureInvalidHandle = 2,
 590                                         k_ESteamAPICallFailureMismatchedCallback = 3,
 591                                 }
 592
 593             ESteamAPICallFailure;
 594                                 ESteamAPICallFailure fail_why =
 595                                 SteamAPI_ISteamUtils_GetAPICallFailureReason(
 596                   steam_api_classes.utils, pCallCompleted->m_hAsyncCall );
 597
 598                                 vg_error( "steamworks_event: error getting call result on"
 599                       "%lu (code %d)\n",
 600                       pCallCompleted->m_hAsyncCall, fail_why );
 601 #endif
 602                         }
 603
 604                         free( pTmpCallResult );
 605                 }
 606                 else
 607                 {
 608                         /*
 609           * Look at callback.m_iCallback to see what kind of callback it is,
 610                          * and dispatch to appropriate handler(s)
 611                          * void *data = callback.m_pubParam;
 612           */
 613
 614          for( int i=0; i<steam_callback_handler_count; i++ )
 615          {
 616             steam_callback_handler *handler = &steam_callback_handlers[i];
 617             if( handler->callback_id == callback.m_iCallback )
 618             {
 619                handler->p_handler( &callback );
 620                break;
 621             }
 622          }
 623                 }
 624
 625                 SteamAPI_ManualDispatch_FreeLastCallback( pipe );
 626         }
 627 }
 628
 629 /*
 630  * This is required to run the server outside of steamcmd environment.
 631  * It can be any appid but idealy the one that is actually your game
 632  */
 633 static void steamworks_ensure_txt( const char *appid_str )
 634 {
 635    FILE *txt = fopen("steam_appid.txt", "w");
 636    fputs( appid_str, txt );
 637    fclose( txt );
 638 }
 639
 640 #endif /* VG_STEAM_H */