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SRB2Kart-Saturn/src/discord.c
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Alug 402cd310d9 stuff
2024-12-22 18:45:34 +01:00

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// SONIC ROBO BLAST 2 KART
//-----------------------------------------------------------------------------
// Copyright (C) 2018-2020 by Sally "TehRealSalt" Cochenour.
// Copyright (C) 2018-2020 by Kart Krew.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file discord.h
/// \brief Discord Rich Presence handling
#ifdef HAVE_DISCORDRPC
#include <time.h>
#include "doomstat.h"
#include "i_time.h"
#include "i_system.h"
#include "r_main.h"
#include "d_clisrv.h"
#include "d_netcmd.h"
#include "i_net.h"
#include "g_game.h"
#include "p_tick.h"
#include "m_menu.h" // gametype_cons_t
#include "r_things.h" // skins
#include "mserv.h" // cv_advertise
#include "z_zone.h"
#include "byteptr.h"
#include "stun.h"
#include "i_tcp.h" // current_port
#include "discord.h"
#include "doomdef.h"
// Feel free to provide your own, if you care enough to create another Discord app for this :P
#define DISCORD_APPID "503531144395096085"
// length of IP strings
#define IP_SIZE 21
static void Discordrp_OnChange(void);
consvar_t cv_discordrp = {"discordrp", "On", CV_SAVE|CV_CALL, CV_OnOff, Discordrp_OnChange, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_discordstreamer = {"discordstreamer", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_discordasks = {"discordasks", "Yes", CV_SAVE|CV_CALL, CV_YesNo, DRPC_UpdatePresence, 0, NULL, NULL, 0, 0, NULL};
struct discordInfo_s discordInfo;
discordRequest_t *discordRequestList = NULL;
static char self_ip[IP_SIZE+1];
boolean drpc_init = false;
/*--------------------------------------------------
static char *DRPC_XORIPString(const char *input)
Simple XOR encryption/decryption. Not complex or
very secretive because we aren't sending anything
that isn't easily accessible via our Master Server anyway.
--------------------------------------------------*/
static char *DRPC_XORIPString(const char *input)
{
const UINT8 xor[IP_SIZE] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21};
char *output = malloc(sizeof(char) * (IP_SIZE+1));
UINT8 i;
for (i = 0; i < IP_SIZE; i++)
{
char xorinput;
if (!input[i])
break;
xorinput = input[i] ^ xor[i];
if (xorinput < 32 || xorinput > 126)
{
xorinput = input[i];
}
output[i] = xorinput;
}
output[i] = '\0';
return output;
}
/*--------------------------------------------------
static void DRPC_HandleReady(const DiscordUser *user)
Callback function, ran when the game connects to Discord.
Input Arguments:-
user - Struct containing Discord user info.
Return:-
None
--------------------------------------------------*/
static void DRPC_HandleReady(const DiscordUser *user)
{
if (cv_discordstreamer.value)
{
CONS_Printf("Discord: connection successful\n");
}
else
{
CONS_Printf("Discord: connected to %s#%s (%s)\n", user->username, user->discriminator, user->userId);
}
}
/*--------------------------------------------------
static void DRPC_HandleDisconnect(int err, const char *msg)
Callback function, ran when disconnecting from Discord.
Input Arguments:-
err - Error type
msg - Error message
Return:-
None
--------------------------------------------------*/
static void DRPC_HandleDisconnect(int err, const char *msg)
{
CONS_Printf("Discord: disconnected (%d: %s)\n", err, msg);
}
/*--------------------------------------------------
static void DRPC_HandleError(int err, const char *msg)
Callback function, ran when Discord outputs an error.
Input Arguments:-
err - Error type
msg - Error message
Return:-
None
--------------------------------------------------*/
static void DRPC_HandleError(int err, const char *msg)
{
CONS_Alert(CONS_WARNING, "Discord error (%d: %s)\n", err, msg);
}
/*--------------------------------------------------
static void DRPC_HandleJoin(const char *secret)
Callback function, ran when Discord wants to
connect a player to the game via a channel invite
or a join request.
Input Arguments:-
secret - Value that links you to the server.
Return:-
None
--------------------------------------------------*/
static void DRPC_HandleJoin(const char *secret)
{
char *ip = DRPC_XORIPString(secret);
CONS_Printf("Connecting to %s via Discord\n", ip);
M_ClearMenus(true); //Don't have menus open during connection screen
if (demo.playback && demo.title)
G_CheckDemoStatus(); //Stop the title demo, so that the connect command doesn't error if a demo is playing
COM_BufAddText(va("connect \"%s\"\n", ip));
free(ip);
}
/*--------------------------------------------------
static boolean DRPC_InvitesAreAllowed(void)
Determines whenever or not invites or
ask to join requests are allowed.
Input Arguments:-
None
Return:-
true if invites are allowed, false otherwise.
--------------------------------------------------*/
static boolean DRPC_InvitesAreAllowed(void)
{
if (!Playing())
{
// We're not playing, so we should not be getting invites.
return false;
}
if (cv_discordasks.value == 0)
{
// Client has the CVar set to off, so never allow invites from this client.
return false;
}
if (discordInfo.joinsAllowed == true)
{
if (discordInfo.everyoneCanInvite == true)
{
// Everyone's allowed!
return true;
}
else if (consoleplayer == serverplayer || IsPlayerAdmin(consoleplayer))
{
// Only admins are allowed!
return true;
}
}
// Did not pass any of the checks
return false;
}
/*--------------------------------------------------
static void DRPC_HandleJoinRequest(const DiscordUser *requestUser)
Callback function, ran when Discord wants to
ask the player if another Discord user can join
or not.
Input Arguments:-
requestUser - DiscordUser struct for the user trying to connect.
Return:-
None
--------------------------------------------------*/
static void DRPC_HandleJoinRequest(const DiscordUser *requestUser)
{
discordRequest_t *append = discordRequestList;
discordRequest_t *newRequest;
if (DRPC_InvitesAreAllowed() == false)
{
// Something weird happened if this occurred...
Discord_Respond(requestUser->userId, DISCORD_REPLY_IGNORE);
return;
}
newRequest = Z_Calloc(sizeof(discordRequest_t), PU_STATIC, NULL);
newRequest->username = Z_Calloc(344, PU_STATIC, NULL);
snprintf(newRequest->username, 344, "%s", requestUser->username);
newRequest->discriminator = Z_Calloc(8, PU_STATIC, NULL);
snprintf(newRequest->discriminator, 8, "%s", requestUser->discriminator);
newRequest->userID = Z_Calloc(32, PU_STATIC, NULL);
snprintf(newRequest->userID, 32, "%s", requestUser->userId);
if (append != NULL)
{
discordRequest_t *prev = NULL;
while (append != NULL)
{
// CHECK FOR DUPES!! Ignore any that already exist from the same user.
if (!strcmp(newRequest->userID, append->userID))
{
Discord_Respond(newRequest->userID, DISCORD_REPLY_IGNORE);
DRPC_RemoveRequest(newRequest);
return;
}
prev = append;
append = append->next;
}
newRequest->prev = prev;
prev->next = newRequest;
}
else
{
discordRequestList = newRequest;
M_RefreshPauseMenu();
}
// Made it to the end, request was valid, so play the request sound :)
S_StartSound(NULL, sfx_requst);
}
/*--------------------------------------------------
void DRPC_RemoveRequest(discordRequest_t *removeRequest)
See header file for description.
--------------------------------------------------*/
void DRPC_RemoveRequest(discordRequest_t *removeRequest)
{
if (removeRequest->prev != NULL)
{
removeRequest->prev->next = removeRequest->next;
}
if (removeRequest->next != NULL)
{
removeRequest->next->prev = removeRequest->prev;
if (removeRequest == discordRequestList)
{
discordRequestList = removeRequest->next;
}
}
else
{
if (removeRequest == discordRequestList)
{
discordRequestList = NULL;
}
}
Z_Free(removeRequest->username);
Z_Free(removeRequest->userID);
Z_Free(removeRequest);
}
/*--------------------------------------------------
void DRPC_Init(void)
See header file for description.
--------------------------------------------------*/
void DRPC_Init(void)
{
if (drpc_init || !cv_discordrp.value) return;
drpc_init = true;
DiscordEventHandlers handlers;
memset(&handlers, 0, sizeof(handlers));
handlers.ready = DRPC_HandleReady;
handlers.disconnected = DRPC_HandleDisconnect;
handlers.errored = DRPC_HandleError;
handlers.joinGame = DRPC_HandleJoin;
handlers.joinRequest = DRPC_HandleJoinRequest;
Discord_Initialize(DISCORD_APPID, &handlers, 1, NULL);
I_AddExitFunc(DRPC_Shutdown);
DRPC_UpdatePresence();
}
void DRPC_Shutdown(void)
{
if (!drpc_init)
{
CONS_Printf("DiscordRPC never started\n");
return;
}
CONS_Printf("Shutting down DiscordRPC\n");
Discord_Shutdown();
drpc_init = false;
}
static void Discordrp_OnChange(void)
{
if (cv_discordrp.value)
{
DRPC_UpdatePresence();
}
else
{
DRPC_Shutdown();
}
}
/*--------------------------------------------------
static void DRPC_GotServerIP(UINT32 address)
Callback triggered by successful STUN response.
Input Arguments:-
address - IPv4 address of this machine, in network byte order.
Return:-
None
--------------------------------------------------*/
static void DRPC_GotServerIP(UINT32 address)
{
const unsigned char * p = (const unsigned char *)&address;
sprintf(self_ip, "%u.%u.%u.%u:%u", p[0], p[1], p[2], p[3], current_port);
}
/*--------------------------------------------------
static const char *DRPC_GetServerIP(void)
Retrieves the IP address of the server that you're
connected to. Will attempt to use STUN for getting your
own IP address.
--------------------------------------------------*/
static const char *DRPC_GetServerIP(void)
{
const char *address;
// If you're connected
if (I_GetNodeAddress && (address = I_GetNodeAddress(servernode)) != NULL)
{
if (strcmp(address, "self"))
{
// We're not the server, so we could successfully get the IP!
// No need to do anything else :)
return address;
}
}
if (self_ip[0])
{
return self_ip;
}
else
{
// There happens to be a good way to get it after all! :D
STUN_bind(DRPC_GotServerIP);
return NULL;
}
}
/*--------------------------------------------------
void DRPC_EmptyRequests(void)
Empties the request list. Any existing requests
will get an ignore reply.
--------------------------------------------------*/
static void DRPC_EmptyRequests(void)
{
while (discordRequestList != NULL)
{
Discord_Respond(discordRequestList->userID, DISCORD_REPLY_IGNORE);
DRPC_RemoveRequest(discordRequestList);
}
}
static char gamemodes[256] = "";
static void append_to_string(char *buffer, const char *mod_name)
{
if (strlen(buffer) > 0)
strcat(buffer, " - ");
strcat(buffer, mod_name);
}
static void DRPC_UpdateGameModes(void)
{
const consvar_t *weathermodactive = CV_FindVar("weathermod");
const consvar_t *friendmodactive = CV_FindVar("fr_enabled");
const consvar_t *eliminationactive = CV_FindVar("elimination");
const consvar_t *driftnitroactive = CV_FindVar("driftnitro");
const consvar_t *slipstreamactive = CV_FindVar("slipstream_enabled");
const consvar_t *booststackactive = CV_FindVar("booststack");
const consvar_t *airbrakeactive = CV_FindVar("wa_airbrake");
gamemodes[0] = '\0';
append_to_string(gamemodes, gametype_cons_t[gametype].strvalue);
// battle is battle, dont think anything can even be activated with it
if (G_BattleGametype())
return;
const boolean techactive = ((driftnitroactive && !driftnitroactive->value) && (slipstreamactive && slipstreamactive->value) && (booststackactive && booststackactive->value) && (airbrakeactive && airbrakeactive->value)); //this combination is only active with tech lel
if (driftnitroactive && driftnitroactive->value)
append_to_string(gamemodes, "DriftNitro");
else if (techactive)
append_to_string(gamemodes, "Tech");
if (weathermodactive && weathermodactive->value)
append_to_string(gamemodes, "Weathermod");
if (friendmodactive && friendmodactive->value)
append_to_string(gamemodes, "Friendmod");
if (eliminationactive && eliminationactive->value)
append_to_string(gamemodes, "Elimination");
//CONS_Printf("%s\n", gamemodes);
}
/*--------------------------------------------------
void DRPC_UpdatePresence(void)
See header file for description.
--------------------------------------------------*/
void DRPC_UpdatePresence(void)
{
if (!cv_discordrp.value) return;
if (!drpc_init) DRPC_Init();
char detailstr[256+1];
char mapimg[8+1];
char mapname[5+21+21+2+1];
char charimg[4+SKINNAMESIZE+1];
char charname[11+SKINNAMESIZE+1];
boolean joinSecretSet = false;
DiscordRichPresence discordPresence;
memset(&discordPresence, 0, sizeof(discordPresence));
if (dedicated)
{
return;
}
if (!cv_discordrp.value)
{
// User doesn't want to show their game information, so update with empty presence.
// This just shows that they're playing SRB2Kart. (If that's too much, then they should disable game activity :V)
DRPC_EmptyRequests();
Discord_UpdatePresence(&discordPresence);
return;
}
#ifdef DEVELOP
// This way, we can use the invite feature in-dev, but not have snoopers seeing any potential secrets! :P
discordPresence.largeImageKey = "miscdevelop";
discordPresence.largeImageText = "No peeking!";
discordPresence.state = "Testing the game";
DRPC_EmptyRequests();
Discord_UpdatePresence(&discordPresence);
return;
#endif // DEVELOP
// Server info
if (netgame)
{
#ifdef MASTERSERVER
if (cv_advertise.value)
{
discordPresence.state = "Public";
}
else
{
#endif
discordPresence.state = "Private";
#ifdef MASTERSERVER
}
#endif
discordPresence.partyId = server_context; // Thanks, whoever gave us Mumble support, for implementing the EXACT thing Discord wanted for this field!
discordPresence.partySize = D_NumPlayers(); // Players in server
discordPresence.partyMax = discordInfo.maxPlayers; // Max players
if (DRPC_InvitesAreAllowed() == true)
{
const char *join;
// Grab the host's IP for joining.
if ((join = DRPC_GetServerIP()) != NULL)
{
discordPresence.joinSecret = DRPC_XORIPString(join);
joinSecretSet = true;
}
}
}
else
{
// Reset discord info if you're not in a place that uses it!
// Important for if you join a server that compiled without HAVE_DISCORDRPC,
// so that you don't ever end up using bad information from another server.
memset(&discordInfo, 0, sizeof(discordInfo));
// Offline info
if (Playing())
discordPresence.state = "Offline";
else if (demo.playback && !demo.title)
discordPresence.state = "Watching Replay";
else
discordPresence.state = "Menu";
}
// Gametype info
if ((gamestate == GS_LEVEL || gamestate == GS_INTERMISSION || gamestate == GS_VOTING) && Playing())
{
if (modeattacking)
discordPresence.details = "Time Attack";
else
{
DRPC_UpdateGameModes();
snprintf(detailstr, 256, "%s%s%s",
(strlen(gamemodes) != 0) ? gamemodes : "",
(gametype == GT_RACE) ? va(" | %s", kartspeed_cons_t[gamespeed].strvalue) : "",
(encoremode == true) ? " | Encore" : ""
);
discordPresence.details = detailstr;
}
}
if ((gamestate == GS_LEVEL || gamestate == GS_INTERMISSION) // Map info
&& !(demo.playback && demo.title))
{
if ((gamemap >= 1 && gamemap <= 60) // supported race maps
|| (gamemap >= 136 && gamemap <= 164)) // supported battle maps
{
snprintf(mapimg, 8, "%s", G_BuildMapName(gamemap));
strlwr(mapimg);
discordPresence.largeImageKey = mapimg; // Map image
}
else if (mapheaderinfo[gamemap-1]->menuflags & LF2_HIDEINMENU)
{
// Hell map, use the method that got you here :P
discordPresence.largeImageKey = "miscdice";
}
else
{
// This is probably a custom map!
discordPresence.largeImageKey = "mapcustom";
}
if (mapheaderinfo[gamemap-1]->menuflags & LF2_HIDEINMENU)
{
// Hell map, hide the name
discordPresence.largeImageText = "Map: ???";
}
else
{
// Map name on tool tip
char *title = G_BuildMapTitle(gamemap);
snprintf(mapname, 48, "Map: %s", title);
discordPresence.largeImageText = mapname;
Z_Free(title);
}
if (gamestate == GS_LEVEL && Playing())
{
const time_t currentTime = time(NULL);
const time_t mapTimeStart = currentTime - ((leveltime + (modeattacking ? starttime : 0)) / TICRATE);
discordPresence.startTimestamp = mapTimeStart;
if (timelimitintics > 0)
{
const time_t mapTimeEnd = mapTimeStart + ((timelimitintics + starttime + 1) / TICRATE);
discordPresence.endTimestamp = mapTimeEnd;
}
}
}
else if (gamestate == GS_VOTING)
{
discordPresence.largeImageKey = (G_BattleGametype() ? "miscredplanet" : "miscblueplanet");
discordPresence.largeImageText = "Voting";
}
else
{
discordPresence.largeImageKey = "misctitle";
discordPresence.largeImageText = "Title Screen";
}
// Character info
if (Playing() && playeringame[consoleplayer] && !players[consoleplayer].spectator)
{
// Supported skin names
static const char *supportedSkins[] = {
// base game
"sonic",
"tails",
"knuckles",
"eggman",
"metalsonic",
// bonus chars
"flicky",
"motobug",
"amy",
"mighty",
"ray",
"espio",
"vector",
"chao",
"gamma",
"chaos",
"shadow",
"rouge",
"herochao",
"darkchao",
"cream",
"omega",
"blaze",
"silver",
"wonderboy",
"arle",
"nights",
"sakura",
"ulala",
"beat",
"vyse",
"aiai",
"kiryu",
"aigis",
"miku",
"doom",
NULL
};
boolean customChar = true;
UINT8 checkSkin = 0;
// Character image
while (supportedSkins[checkSkin] != NULL)
{
if (!strcmp(skins[players[consoleplayer].skin].name, supportedSkins[checkSkin]))
{
snprintf(charimg, 21, "char%s", supportedSkins[checkSkin]);
discordPresence.smallImageKey = charimg;
customChar = false;
break;
}
checkSkin++;
}
if (customChar == true)
{
// Use the custom character icon!
discordPresence.smallImageKey = "charcustom";
}
snprintf(charname, 28, "Character: %s", skins[players[consoleplayer].skin].realname);
discordPresence.smallImageText = charname; // Character name
}
if (joinSecretSet == false)
{
// Not able to join? Flush the request list, if it exists.
DRPC_EmptyRequests();
}
Discord_UpdatePresence(&discordPresence);
}
#endif // HAVE_DISCORDRPC
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