goldberg_emulator/dll/steam_apps.cpp
2019-12-12 14:11:05 -05:00

319 lines
10 KiB
C++

/* Copyright (C) 2019 Mr Goldberg
This file is part of the Goldberg Emulator
The Goldberg Emulator is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
The Goldberg Emulator is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the Goldberg Emulator; if not, see
<http://www.gnu.org/licenses/>. */
#include "steam_apps.h"
Steam_Apps::Steam_Apps(Settings *settings, class SteamCallResults *callback_results)
{
this->settings = settings;
this->callback_results = callback_results;
}
bool Steam_Apps::BIsSubscribed()
{
PRINT_DEBUG("BIsSubscribed\n");
return true;
}
bool Steam_Apps::BIsLowViolence()
{
PRINT_DEBUG("BIsLowViolence\n");
return false;
}
bool Steam_Apps::BIsCybercafe()
{
PRINT_DEBUG("BIsCybercafe\n");
return false;
}
bool Steam_Apps::BIsVACBanned()
{
PRINT_DEBUG("BIsVACBanned\n");
return false;
}
const char *Steam_Apps::GetCurrentGameLanguage()
{
PRINT_DEBUG("GetCurrentGameLanguage\n");
return settings->get_language();
}
const char *Steam_Apps::GetAvailableGameLanguages()
{
PRINT_DEBUG("GetAvailableGameLanguages\n");
//TODO?
return "";
}
// only use this member if you need to check ownership of another game related to yours, a demo for example
bool Steam_Apps::BIsSubscribedApp( AppId_t appID )
{
PRINT_DEBUG("BIsSubscribedApp %u\n", appID);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
if (appID == 0) return true; //I think appid 0 is always owned
if (appID == settings->get_local_game_id().AppID()) return true;
return settings->hasDLC(appID);
}
// Takes AppID of DLC and checks if the user owns the DLC & if the DLC is installed
bool Steam_Apps::BIsDlcInstalled( AppId_t appID )
{
PRINT_DEBUG("BIsDlcInstalled %u\n", appID);
std::lock_guard<std::recursive_mutex> lock(global_mutex);
if (appID == 0) return true;
return settings->hasDLC(appID);
}
// returns the Unix time of the purchase of the app
uint32 Steam_Apps::GetEarliestPurchaseUnixTime( AppId_t nAppID )
{
PRINT_DEBUG("GetEarliestPurchaseUnixTime\n");
//TODO ?
return 1;
}
// Checks if the user is subscribed to the current app through a free weekend
// This function will return false for users who have a retail or other type of license
// Before using, please ask your Valve technical contact how to package and secure your free weekened
bool Steam_Apps::BIsSubscribedFromFreeWeekend()
{
PRINT_DEBUG("BIsSubscribedFromFreeWeekend\n");
return false;
}
// Returns the number of DLC pieces for the running app
int Steam_Apps::GetDLCCount()
{
PRINT_DEBUG("GetDLCCount\n");
std::lock_guard<std::recursive_mutex> lock(global_mutex);
return settings->DLCCount();
}
// Returns metadata for DLC by index, of range [0, GetDLCCount()]
bool Steam_Apps::BGetDLCDataByIndex( int iDLC, AppId_t *pAppID, bool *pbAvailable, char *pchName, int cchNameBufferSize )
{
PRINT_DEBUG("BGetDLCDataByIndex\n");
std::lock_guard<std::recursive_mutex> lock(global_mutex);
AppId_t appid;
bool available;
std::string name;
if (!settings->getDLC(iDLC, appid, available, name)) return false;
if (pAppID) *pAppID = appid;
if (pbAvailable) *pbAvailable = available;
if (pchName && cchNameBufferSize > 0) {
if (cchNameBufferSize > name.size()) {
cchNameBufferSize = name.size();
pchName[cchNameBufferSize] = 0;
}
//TODO: should pchName be null terminated if the size is smaller or equal to the name size?
memcpy(pchName, name.data(), cchNameBufferSize);
}
return true;
}
// Install/Uninstall control for optional DLC
void Steam_Apps::InstallDLC( AppId_t nAppID )
{
PRINT_DEBUG("InstallDLC\n");
}
void Steam_Apps::UninstallDLC( AppId_t nAppID )
{
PRINT_DEBUG("UninstallDLC\n");
}
// Request legacy cd-key for yourself or owned DLC. If you are interested in this
// data then make sure you provide us with a list of valid keys to be distributed
// to users when they purchase the game, before the game ships.
// You'll receive an AppProofOfPurchaseKeyResponse_t callback when
// the key is available (which may be immediately).
void Steam_Apps::RequestAppProofOfPurchaseKey( AppId_t nAppID )
{
PRINT_DEBUG("RequestAppProofOfPurchaseKey\n");
}
// returns current beta branch name, 'public' is the default branch
bool Steam_Apps::GetCurrentBetaName( char *pchName, int cchNameBufferSize )
{
PRINT_DEBUG("GetCurrentBetaName %i\n", cchNameBufferSize);
if (sizeof("public") > cchNameBufferSize) {
return false;
}
memcpy(pchName, "public", sizeof("public"));
return true;
}
// signal Steam that game files seems corrupt or missing
bool Steam_Apps::MarkContentCorrupt( bool bMissingFilesOnly )
{
PRINT_DEBUG("MarkContentCorrupt\n");
//TODO: warn user
return true;
}
// return installed depots in mount order
uint32 Steam_Apps::GetInstalledDepots( AppId_t appID, DepotId_t *pvecDepots, uint32 cMaxDepots )
{
PRINT_DEBUG("GetInstalledDepots %u\n", appID);
//TODO not sure about the behavior of this function, I didn't actually test this.
if (!pvecDepots) return 0;
std::lock_guard<std::recursive_mutex> lock(global_mutex);
if (appID == settings->get_local_game_id().AppID()) {
unsigned int count = settings->DLCCount();
if (cMaxDepots < count) count = cMaxDepots;
for (int i = 0; i < count; ++i) {
AppId_t appid;
bool available;
std::string name;
if (settings->getDLC(i, appid, available, name)) {
pvecDepots[i] = appid;
}
}
return count;
} else {
if (cMaxDepots) {
*pvecDepots = appID;
return 1;
}
}
return 0;
}
// returns current app install folder for AppID, returns folder name length
uint32 Steam_Apps::GetAppInstallDir( AppId_t appID, char *pchFolder, uint32 cchFolderBufferSize )
{
PRINT_DEBUG("GetAppInstallDir %u %p %u\n", appID, pchFolder, cchFolderBufferSize);
//TODO return real path instead of dll path
std::string installed_path = settings->getAppInstallPath(appID);
if (installed_path.size() == 0) {
std::string dll_path = get_full_program_path();
std::string current_path = get_current_path();
PRINT_DEBUG("paths %s %s\n", dll_path.c_str(), current_path.c_str());
//Just pick the smallest path, it has the most chances of being the good one
if (dll_path.size() > current_path.size() && current_path.size()) {
installed_path = current_path;
} else {
installed_path = dll_path;
}
}
PRINT_DEBUG("path %s\n", installed_path.c_str());
if (cchFolderBufferSize && pchFolder) {
snprintf(pchFolder, cchFolderBufferSize, "%s", installed_path.c_str());
}
return installed_path.length(); //Real steam always returns the actual path length, not the copied one.
}
// returns true if that app is installed (not necessarily owned)
bool Steam_Apps::BIsAppInstalled( AppId_t appID )
{
PRINT_DEBUG("BIsAppInstalled %u\n", appID);
return true;
}
// returns the SteamID of the original owner. If different from current user, it's borrowed
CSteamID Steam_Apps::GetAppOwner()
{
PRINT_DEBUG("GetAppOwner\n");
return settings->get_local_steam_id();
}
// Returns the associated launch param if the game is run via steam://run/<appid>//?param1=value1;param2=value2;param3=value3 etc.
// Parameter names starting with the character '@' are reserved for internal use and will always return and empty string.
// Parameter names starting with an underscore '_' are reserved for steam features -- they can be queried by the game,
// but it is advised that you not param names beginning with an underscore for your own features.
const char *Steam_Apps::GetLaunchQueryParam( const char *pchKey )
{
PRINT_DEBUG("GetLaunchQueryParam\n");
return "";
}
// get download progress for optional DLC
bool Steam_Apps::GetDlcDownloadProgress( AppId_t nAppID, uint64 *punBytesDownloaded, uint64 *punBytesTotal )
{
PRINT_DEBUG("GetDlcDownloadProgress\n");
return false;
}
// return the buildid of this app, may change at any time based on backend updates to the game
int Steam_Apps::GetAppBuildId()
{
PRINT_DEBUG("GetAppBuildId\n");
return 10;
}
// Request all proof of purchase keys for the calling appid and asociated DLC.
// A series of AppProofOfPurchaseKeyResponse_t callbacks will be sent with
// appropriate appid values, ending with a final callback where the m_nAppId
// member is k_uAppIdInvalid (zero).
void Steam_Apps::RequestAllProofOfPurchaseKeys()
{
PRINT_DEBUG("RequestAllProofOfPurchaseKeys\n");
}
STEAM_CALL_RESULT( FileDetailsResult_t )
SteamAPICall_t Steam_Apps::GetFileDetails( const char* pszFileName )
{
PRINT_DEBUG("GetFileDetails\n");
return 0;
}
// Get command line if game was launched via Steam URL, e.g. steam://run/<appid>//<command line>/.
// This method of passing a connect string (used when joining via rich presence, accepting an
// invite, etc) is preferable to passing the connect string on the operating system command
// line, which is a security risk. In order for rich presence joins to go through this
// path and not be placed on the OS command line, you must set a value in your app's
// configuration on Steam. Ask Valve for help with this.
//
// If game was already running and launched again, the NewUrlLaunchParameters_t will be fired.
int Steam_Apps::GetLaunchCommandLine( char *pszCommandLine, int cubCommandLine )
{
PRINT_DEBUG("GetLaunchCommandLine\n");
return 0;
}
// Check if user borrowed this game via Family Sharing, If true, call GetAppOwner() to get the lender SteamID
bool Steam_Apps::BIsSubscribedFromFamilySharing()
{
PRINT_DEBUG("BIsSubscribedFromFamilySharing\n");
return false;
}