ddnet/src/engine/client/steam.cpp

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#include <engine/steam.h>
#include <engine/shared/config.h>
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#include <steam/steam_api_flat.h>
class CSteam : public ISteam
{
HSteamPipe m_SteamPipe;
ISteamApps *m_pSteamApps;
ISteamFriends *m_pSteamFriends;
char m_aPlayerName[16];
bool m_GotConnectAddr;
NETADDR m_ConnectAddr;
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public:
CSteam()
{
SteamAPI_ManualDispatch_Init();
m_SteamPipe = SteamAPI_GetHSteamPipe();
m_pSteamApps = SteamAPI_SteamApps_v008();
m_pSteamFriends = SteamAPI_SteamFriends_v017();
ReadLaunchCommandLine();
str_copy(m_aPlayerName, SteamAPI_ISteamFriends_GetPersonaName(m_pSteamFriends), sizeof(m_aPlayerName));
}
~CSteam()
{
SteamAPI_Shutdown();
}
void ParseConnectString(const char *pConnect)
{
if(pConnect[0])
{
NETADDR Connect;
if(net_host_lookup(pConnect, &Connect, NETTYPE_ALL) == 0)
{
m_ConnectAddr = Connect;
m_GotConnectAddr = true;
}
else
{
dbg_msg("steam", "got unparsable connect string: '%s'", pConnect);
}
}
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}
void ReadLaunchCommandLine()
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{
char aConnect[NETADDR_MAXSTRSIZE];
int ConnectSize = SteamAPI_ISteamApps_GetLaunchCommandLine(m_pSteamApps, aConnect, sizeof(aConnect));
if(ConnectSize >= NETADDR_MAXSTRSIZE)
{
ConnectSize = NETADDR_MAXSTRSIZE - 1;
}
aConnect[ConnectSize] = 0;
m_GotConnectAddr = false;
ParseConnectString(aConnect);
}
void OnGameRichPresenceJoinRequested(GameRichPresenceJoinRequested_t *pEvent)
{
ParseConnectString(pEvent->m_rgchConnect);
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}
const char *GetPlayerName()
{
return m_aPlayerName;
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}
const NETADDR *GetConnectAddress()
{
if(m_GotConnectAddr)
{
return &m_ConnectAddr;
}
else
{
return 0;
}
}
void ClearConnectAddress()
{
m_GotConnectAddr = false;
}
void Update()
{
SteamAPI_ManualDispatch_RunFrame(m_SteamPipe);
CallbackMsg_t Callback;
while(SteamAPI_ManualDispatch_GetNextCallback(m_SteamPipe, &Callback))
{
switch(Callback.m_iCallback)
{
case NewUrlLaunchParameters_t::k_iCallback:
ReadLaunchCommandLine();
break;
case GameRichPresenceJoinRequested_t::k_iCallback:
OnGameRichPresenceJoinRequested((GameRichPresenceJoinRequested_t *)Callback.m_pubParam);
break;
default:
if(g_Config.m_Debug)
{
dbg_msg("steam/dbg", "unhandled callback id=%d", Callback.m_iCallback);
}
}
SteamAPI_ManualDispatch_FreeLastCallback(m_SteamPipe);
}
}
void ClearGameInfo()
{
SteamAPI_ISteamFriends_ClearRichPresence(m_pSteamFriends);
}
void SetGameInfo(NETADDR ServerAddr, const char *pMapName)
{
char aServerAddr[NETADDR_MAXSTRSIZE];
net_addr_str(&ServerAddr, aServerAddr, sizeof(aServerAddr), true);
SteamAPI_ISteamFriends_SetRichPresence(m_pSteamFriends, "connect", aServerAddr);
SteamAPI_ISteamFriends_SetRichPresence(m_pSteamFriends, "map", pMapName);
SteamAPI_ISteamFriends_SetRichPresence(m_pSteamFriends, "status", pMapName);
SteamAPI_ISteamFriends_SetRichPresence(m_pSteamFriends, "steam_display", "#Status");
SteamAPI_ISteamFriends_SetRichPresence(m_pSteamFriends, "steam_player_group", aServerAddr);
}
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};
class CSteamStub : public ISteam
{
const char *GetPlayerName() { return 0; }
const NETADDR *GetConnectAddress() { return 0; }
void ClearConnectAddress() {}
void Update() {}
void ClearGameInfo() {}
void SetGameInfo(NETADDR ServerAddr, const char *pMapName) {}
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};
ISteam *CreateSteam()
{
if(!SteamAPI_Init())
{
return new CSteamStub();
}
return new CSteam();
}