Implement basic discord status report

src/openrct2/Context.cpp

@@ -59,6 +59,7 @@
 #include "intro.h"
 #include "localisation/date.h"
 #include "localisation/language.h"
+#include "network/DiscordService.h"
 #include "network/http.h"
 #include "network/network.h"
 #include "network/twitch.h"
@@ -87,6 +88,9 @@ namespace OpenRCT2
         IObjectManager *            _objectManager = nullptr;
         ITrackDesignRepository *    _trackDesignRepository = nullptr;
         IScenarioRepository *       _scenarioRepository = nullptr;
+#ifdef __ENABLE_DISCORD__
+        DiscordService *            _discordService = nullptr;
+#endif
 
         // Game states
         TitleScreen * _titleScreen = nullptr;
@@ -133,6 +137,9 @@ namespace OpenRCT2
 
             delete _titleScreen;
 
+#ifdef __ENABLE_DISCORD__
+            delete _discordService;
+#endif
             delete _scenarioRepository;
             delete _trackDesignRepository;
             delete _objectManager;
@@ -298,6 +305,9 @@ namespace OpenRCT2
             _objectManager = CreateObjectManager(_objectRepository);
             _trackDesignRepository = CreateTrackDesignRepository(_env);
             _scenarioRepository = CreateScenarioRepository(_env);
+#ifdef __ENABLE_DISCORD__
+            _discordService = new DiscordService();
+#endif
 
             if (!language_open(gConfigGeneral.language))
             {
@@ -771,6 +781,13 @@ namespace OpenRCT2
                 game_update();
             }
 
+#ifdef __ENABLE_DISCORD__
+            if (_discordService != nullptr)
+            {
+                _discordService->Update();
+            }
+#endif
+
             twitch_update();
             chat_update();
             console_update();

src/openrct2/libopenrct2.vcxproj

@@ -32,7 +32,7 @@
   <Import Project="..\..\openrct2.common.props" />
   <ItemDefinitionGroup>
     <ClCompile>
-      <PreprocessorDefinitions>__ENABLE_LIGHTFX__;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>__ENABLE_DISCORD__;__ENABLE_LIGHTFX__;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PreprocessorDefinitions Condition="'$(Breakpad)'=='true'">USE_BREAKPAD;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>

src/openrct2/network/DiscordService.cpp

@@ -0,0 +1,123 @@
+#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
+/*****************************************************************************
+* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
+*
+* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
+* For more information, visit https://github.com/OpenRCT2/OpenRCT2
+*
+* OpenRCT2 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 Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* A full copy of the GNU General Public License can be found in licence.txt
+*****************************************************************************/
+#pragma endregion
+
+#ifdef __ENABLE_DISCORD__
+
+#include <discord-rpc.h>
+#include "../core/Console.hpp"
+#include "../core/Memory.hpp"
+#include "../core/String.hpp"
+#include "../localisation/localisation.h"
+#include "../OpenRCT2.h"
+#include "../scenario/scenario.h"
+#include "../world/park.h"
+#include "DiscordService.h"
+#include "network.h"
+
+constexpr const char * APPLICATION_ID = "378612438200877056";
+constexpr const char * STEAM_APP_ID = nullptr;
+
+static void OnReady()
+{
+    log_verbose("DiscordService::OnReady()");
+}
+
+static void OnDisconnected(int errorCode, const char * message)
+{
+    Console::Error::WriteLine("DiscordService::OnDisconnected(%d, %s)", errorCode, message);
+}
+
+static void OnErrored(int errorCode, const char * message)
+{
+    Console::Error::WriteLine("DiscordService::OnErrored(%d, %s)", errorCode, message);
+}
+
+DiscordService::DiscordService()
+{
+    DiscordEventHandlers handlers;
+    Memory::Set(&handlers, 0, sizeof(handlers));
+    handlers.ready = OnReady;
+    handlers.disconnected = OnDisconnected;
+    handlers.errored = OnErrored;
+    Discord_Initialize(APPLICATION_ID, &handlers, 1, STEAM_APP_ID);
+}
+
+DiscordService::~DiscordService()
+{
+    Discord_Shutdown();
+}
+
+static std::string GetParkName()
+{
+    utf8 parkName[128];
+    format_string(parkName, sizeof(parkName), gParkName, &gParkNameArgs);
+    return std::string(parkName);
+}
+
+void DiscordService::Update()
+{
+    Discord_RunCallbacks();
+
+    DiscordRichPresence discordPresence;
+    Memory::Set(&discordPresence, 0, sizeof(discordPresence));
+    discordPresence.largeImageKey = "logo";
+
+    std::string state;
+    std::string details;
+    switch (gScreenFlags)
+    {
+    default:
+        details = GetParkName();
+        if (network_get_mode() == NETWORK_MODE_NONE)
+        {
+            state = "Playing Solo";
+        }
+        else
+        {
+            state = String::ToStd(network_get_server_name());
+
+            // NOTE: the party size is displayed next to state
+            discordPresence.partyId = network_get_server_name();
+            discordPresence.partySize = network_get_num_players();
+            discordPresence.partyMax = 256;
+
+            // TODO generate secrets for the server
+            discordPresence.matchSecret = nullptr;
+            discordPresence.spectateSecret = nullptr;
+            discordPresence.instance = 1;
+        }
+        break;
+    case SCREEN_FLAGS_TITLE_DEMO:
+        details = "In Menus";
+        break;
+    case SCREEN_FLAGS_SCENARIO_EDITOR:
+        details = "In Scenario Editor";
+        break;
+    case SCREEN_FLAGS_TRACK_DESIGNER:
+        details = "In Track Designer";
+        break;
+    case SCREEN_FLAGS_TRACK_MANAGER:
+        details = "In Track Manager";
+        break;
+    }
+
+    discordPresence.state = state.c_str();
+    discordPresence.details = details.c_str();
+
+    Discord_UpdatePresence(&discordPresence);
+}
+
+#endif

src/openrct2/network/DiscordService.h

@@ -0,0 +1,30 @@
+#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
+/*****************************************************************************
+* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
+*
+* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
+* For more information, visit https://github.com/OpenRCT2/OpenRCT2
+*
+* OpenRCT2 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 Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* A full copy of the GNU General Public License can be found in licence.txt
+*****************************************************************************/
+#pragma endregion
+
+#pragma once
+
+#ifdef __ENABLE_DISCORD__
+
+class DiscordService
+{
+public:
+    DiscordService();
+    ~DiscordService();
+
+    void Update();
+};
+
+#endif