dfhack/library/modules/DFSteam.cpp

82 lines
2.3 KiB
C++

#include "Internal.h"
#include "modules/DFSteam.h"
#include "Debug.h"
#include "PluginManager.h"
namespace DFHack
{
DBG_DECLARE(core, dfsteam, DebugCategory::LINFO);
}
using namespace DFHack;
static DFLibrary* g_steam_handle = nullptr;
static const std::vector<std::string> STEAM_LIBS {
"steam_api64.dll",
"steam_api", // TODO: validate this on OSX
"libsteam_api.so" // TODO: validate this on Linux
};
bool (*g_SteamAPI_Init)() = nullptr;
void (*g_SteamAPI_Shutdown)() = nullptr;
void* (*g_SteamInternal_FindOrCreateUserInterface)(int, const char*) = nullptr;
bool (*g_SteamAPI_ISteamUtils_IsSteamRunningOnSteamDeck)(void*) = nullptr;
bool DFSteam::init(color_ostream& out) {
for (auto& lib_str : STEAM_LIBS) {
if ((g_steam_handle = OpenPlugin(lib_str.c_str())))
break;
}
if (!g_steam_handle) {
DEBUG(dfsteam, out).print("steam library not found; stubbing calls\n");
return false;
}
#define bind(handle, name) \
g_##name = (decltype(g_##name))LookupPlugin(handle, #name); \
if (!g_##name) { \
WARN(dfsteam, out).print("steam library function not found: " #name "\n"); \
}
bind(g_steam_handle, SteamAPI_Init);
bind(g_steam_handle, SteamAPI_Shutdown);
// TODO: can we remove this initialization of the Steam API once we move to dfhooks?
if (!g_SteamAPI_Init || !g_SteamAPI_Shutdown || !g_SteamAPI_Init()) {
DEBUG(dfsteam, out).print("steam detected but cannot be initialized\n");
return false;
}
bind(g_steam_handle, SteamInternal_FindOrCreateUserInterface);
bind(g_steam_handle, SteamAPI_ISteamUtils_IsSteamRunningOnSteamDeck);
#undef bind
DEBUG(dfsteam, out).print("steam library linked\n");
return true;
}
void DFSteam::cleanup() {
if (!g_steam_handle)
return;
if (g_SteamAPI_Shutdown)
g_SteamAPI_Shutdown();
ClosePlugin(g_steam_handle);
g_steam_handle = nullptr;
}
bool DFSteam::DFIsSteamRunningOnSteamDeck() {
if (!g_SteamAPI_ISteamUtils_IsSteamRunningOnSteamDeck)
return false;
if (!g_SteamInternal_FindOrCreateUserInterface)
return false;
void* SteamUtils = g_SteamInternal_FindOrCreateUserInterface(0, "SteamUtils010");
return g_SteamAPI_ISteamUtils_IsSteamRunningOnSteamDeck(SteamUtils);
}