add discord files

Makefile.common

@@ -1623,6 +1623,19 @@ ifeq ($(HAVE_NETWORKING), 1)
          $(LIBRETRO_COMM_DIR)/utils/md5.o
    endif
 
+   ifeq ($(HAVE_DISCORD), 1)
+      DEFINES += -DHAVE_DISCORD
+      DEFINES += -Ideps/discord-rpc/include/ -Ideps/discord-rpc/thirdparty/rapidjson-1.1.0/include/
+      OBJ += deps/discord-rpc/src/connection_win.o \
+             deps/discord-rpc/src/discord_register_win.o \
+             deps/discord-rpc/src/discord_rpc.o \
+             deps/discord-rpc/src/rpc_connection.o \
+             deps/discord-rpc/src/serialization.o \
+             discord/discord.o
+      LIBS += -lpsapi -ladvapi32
+
+   endif
+
    ifeq ($(HAVE_NETWORKGAMEPAD), 1)
       OBJ += input/input_remote.o \
              cores/libretro-net-retropad/net_retropad_core.o

command.c

@@ -44,6 +44,10 @@
 #include "cheevos/var.h"
 #endif
 
+#ifdef HAVE_DISCORD
+#include "discord/discord.h"
+#endif
+
 #ifdef HAVE_MENU
 #include "menu/menu_driver.h"
 #include "menu/menu_content.h"
@@ -1275,8 +1279,8 @@ static bool command_event_init_core(enum rarch_core_type *data)
    if (!core_load(settings->uints.input_poll_type_behavior))
       return false;
 
-   rarch_ctl(RARCH_CTL_SET_FRAME_LIMIT, NULL);
 
+   rarch_ctl(RARCH_CTL_SET_FRAME_LIMIT, NULL);
    return true;
 }
 

discord/discord.c

@@ -0,0 +1,121 @@
+/*  RetroArch - A frontend for libretro.
+  *  Copyright (C) 2018 - Andrés Suárez
+ *
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "discord.h"
+
+static const char* APPLICATION_ID = "450822022025576457";
+static int FrustrationLevel = 0;
+static int64_t start_time;
+
+static bool discord_ready = false;
+static unsigned discord_status = 0;
+
+DiscordRichPresence discord_presence;
+
+static void handle_discord_ready(const DiscordUser* connectedUser)
+{
+   RARCH_LOG("[discord] connected to user %s#%s - %s\n",
+      connectedUser->username,
+      connectedUser->discriminator,
+      connectedUser->userId);
+}
+
+static void handle_discord_disconnected(int errcode, const char* message)
+{
+   RARCH_LOG("[discord] disconnected (%d: %s)\n", errcode, message);
+}
+
+static void handle_discord_error(int errcode, const char* message)
+{
+   RARCH_LOG("[discord] error (%d: %s)\n", errcode, message);
+}
+
+static void handle_discord_join(const char* secret)
+{
+   RARCH_LOG("[discord] join (%s)\n", secret);
+}
+
+static void handle_discord_spectate(const char* secret)
+{
+   RARCH_LOG("[discord] spectate (%s)\n", secret);
+}
+
+static void handle_discord_join_request(const DiscordUser* request)
+{
+   int response = -1;
+   char yn[4];
+   RARCH_LOG("[discord] join request from %s#%s - %s\n",
+      request->username,
+      request->discriminator,
+      request->userId);
+}
+
+void discord_update(unsigned presence)
+{
+   if (!discord_ready || discord_status != DISCORD_PRESENCE_MENU && discord_status == presence)
+      return;
+
+   RARCH_LOG("[discord] updating (%d)\n", presence);
+   memset(&discord_presence, 0, sizeof(discord_presence));
+
+   switch (presence)
+   {
+      case DISCORD_PRESENCE_MENU:
+         discord_presence.state = "In-Menu";
+         discord_presence.largeImageKey = "icon";
+         discord_presence.instance = 0;
+         discord_presence.startTimestamp = start_time;
+         break;
+      case DISCORD_PRESENCE_GAME:
+         start_time = time(0);
+         discord_presence.state = "Link's House";
+         discord_presence.details = "Legend of Zelda, The - Link's Awakening DX";
+         discord_presence.largeImageKey = "icon";
+         //discord_presence.smallImageKey = "icon";
+         discord_presence.instance = 0;
+         discord_presence.startTimestamp = start_time;
+         break;
+      default:
+         break;
+   }
+   Discord_UpdatePresence(&discord_presence);
+   discord_status = presence;
+}
+
+void discord_init()
+{
+   RARCH_LOG("[discord] initializing\n");
+   start_time = time(0);
+
+   DiscordEventHandlers handlers;
+   memset(&handlers, 0, sizeof(handlers));
+   handlers.ready = handle_discord_ready;
+   handlers.disconnected = handle_discord_disconnected;
+   handlers.errored = handle_discord_error;
+   handlers.joinGame = handle_discord_join;
+   handlers.spectateGame = handle_discord_spectate;
+   handlers.joinRequest = handle_discord_join_request;
+   Discord_Initialize(APPLICATION_ID, &handlers, 1, NULL);
+
+   discord_ready = true;
+}
+
+void discord_shutdown()
+{
+   RARCH_LOG("[discord] shutting down\n");
+   Discord_ClearPresence();
+   Discord_Shutdown();
+   discord_ready = false;
+}

discord/discord.h

@@ -0,0 +1,47 @@
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2018 - Andrés Suárez
+ *
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __RARCH_DISCORD_H
+#define __RARCH_DISCORD_H
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <string.h>
+#include <math.h>
+
+#include <boolean.h>
+#include <string/stdstring.h>
+#include <lists/string_list.h>
+#include <retro_timers.h>
+
+#include "discord_rpc.h"
+#include "verbosity.h"
+
+enum discord_presence
+{
+   DISCORD_PRESENCE_MENU = 0,
+   DISCORD_PRESENCE_GAME,
+   DISCORD_PRESENCE_CHEEVO_UNLOCKED,
+   DISCORD_PRESENCE_NETPLAY_HOSTING,
+   DISCORD_PRESENCE_NETPLAY_CLIENT
+};
+
+
+void discord_init();
+void discord_shutdown();
+void discord_update(unsigned presence);
+
+#endif /* __RARCH_DISCORD_H */

qb/config.libs.sh

@@ -213,6 +213,7 @@ else
    HAVE_NETWORK_CMD='no'
    HAVE_NETWORKGAMEPAD='no'
    HAVE_CHEEVOS='no'
+   HAVE_DISCORD='no'
 fi
 
 check_lib '' STDIN_CMD "$CLIB" fcntl

qb/config.params.sh

@@ -105,6 +105,7 @@ HAVE_QT=auto               # Qt companion support
 C89_QT=no
 HAVE_XSHM=no               # XShm video driver support
 HAVE_CHEEVOS=yes           # Retro Achievements
+HAVE_DISCORD=yes           # Discord Integration
 HAVE_SHADERPIPELINE=yes    # Additional shader-based pipelines
 C89_SHADERPIPELINE=no
 HAVE_VULKAN=auto           # Vulkan support

retroarch.c

@@ -70,6 +70,10 @@
 #include "cheevos/cheevos.h"
 #endif
 
+#ifdef HAVE_DISCORD
+#include "discord/discord.h"
+#endif
+
 #ifdef HAVE_NETWORKING
 #include "network/netplay/netplay.h"
 #endif
@@ -1374,9 +1378,13 @@ bool retroarch_main_init(int argc, char *argv[])
    rarch_error_on_init     = false;
    rarch_is_inited         = true;
 
+#ifdef HAVE_DISCORD
+   discord_init();
+   discord_update(DISCORD_PRESENCE_MENU);
+#endif
+
    if (rarch_first_start)
       rarch_first_start = false;
-
    return true;
 
 error:
@@ -1384,7 +1392,7 @@ error:
    rarch_is_inited         = false;
 
    if (rarch_first_start)
-      rarch_first_start = false;
+         rarch_first_start = false;
 
    return false;
 }
@@ -2322,6 +2330,10 @@ bool retroarch_main_quit(void)
    runloop_shutdown_initiated = true;
    rarch_menu_running_finished();
 
+#ifdef HAVE_DISCORD
+   discord_shutdown();
+#endif
+
    return true;
 }
 
@@ -3325,6 +3337,9 @@ int runloop_iterate(unsigned *sleep_ms)
    if (runloop_check_cheevos())
       cheevos_test();
 #endif
+#ifdef HAVE_DISCORD
+   discord_update(DISCORD_PRESENCE_GAME);
+#endif
 
    for (i = 0; i < max_users; i++)
    {