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DiscordBridge.cpp
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DiscordBridge.cpp
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#include "DiscordBridge.h"
discord::Core* core{};
DiscordState state{};
// Global Variables:
#define MAX_LOADSTRING 100
HINSTANCE hInst; // current instance
WCHAR szTitle[MAX_LOADSTRING]; // The title bar text
WCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
// Continuum related Handle Functions
HWND g_HWND = NULL;
HHOOK hHook;
BOOL CALLBACK EnumWindowsProcMy(HWND hwnd, LPARAM lParam)
{
DWORD lpdwProcessId;
GetWindowThreadProcessId(hwnd, &lpdwProcessId);
if (lpdwProcessId == lParam)
{
g_HWND = hwnd;
return FALSE;
}
return TRUE;
}
// Misc Helper Functions
bool CMPSTART(const char *control, const char *constant) // ripped from MERV
{
char c;
while (c = *control)
{
if (*constant != c)
return false;
++control;
++constant;
}
return true;
}
std::string multiByteString(const std::wstring& wstr) // unicode to multibyte string
{
if (wstr.empty()) return std::string();
int size = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
std::string resStr(size, 0);
WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &resStr[0], size, NULL, NULL);
return resStr;
}
// Keyboard hook to detect ship changes (unreliable since rate limits must be obeyed)
LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
{
KBDLLHOOKSTRUCT* pKbdLLHookStruct = (KBDLLHOOKSTRUCT*)lParam;
if (state.cont.inGame())
{
if (wParam == WM_KEYDOWN)
{
switch (pKbdLLHookStruct->vkCode)
{
case VK_ESCAPE :
{
if (state.cont.inMenu) // if they are closing the menu without selecting a ship, reset
state.cont.inMenu = false;
else
state.cont.inMenu = true;
break;
}
case 0x31:
{
if (state.cont.inMenu)
{
state.cont.ship = 0;
}
break;
}
case 0x32:
{
if (state.cont.inMenu)
{
state.cont.ship = 1;
}
break;
}
case 0x33:
{
if (state.cont.inMenu)
{
state.cont.ship = 2;
}
break;
}
case 0x34:
{
if (state.cont.inMenu)
{
state.cont.ship = 3;
}
break;
}
case 0x35:
{
if (state.cont.inMenu)
{
state.cont.ship = 4;
}
break;
}
case 0x36:
{
if (state.cont.inMenu)
{
state.cont.ship = 5;
}
break;
}
case 0x37:
{
if (state.cont.inMenu)
{
state.cont.ship = 6;
}
break;
}
case 0x38:
{
if (state.cont.inMenu)
{
state.cont.ship = 7;
}
break;
}
case 0x53:
{
if (state.cont.inMenu)
{
state.cont.ship = 8;
}
break;
}
}
}
}
return CallNextHookEx(hHook, nCode, wParam, lParam);
}
// Discord Core Initializer
void DiscordInit()
{
char install_dir[MAX_PATH];
GetCurrentDirectoryA(MAX_PATH, install_dir);
sprintf_s(install_dir, "%s\\%s", install_dir, "Continuum.exe");
if (discord::Core::Create(611578814073405465, DiscordCreateFlags_NoRequireDiscord, &core) == discord::Result::Ok)
state.core.reset(core);
if (!state.core) // Discord failed to instantiate
state.core->~Core();
// Discord's game launching command
if (state.cont.isSteamUser())
state.core->ActivityManager().RegisterSteam(352700); // this will make it appear in Library as Steam game and launch via Steam
else
state.core->ActivityManager().RegisterCommand(install_dir); // mainly useful for Join/Spectate activities that are unused here
// Logger - uncomment when testing
/*
state.core->SetLogHook(discord::LogLevel::Error, [](discord::LogLevel level, const char* message){
MessageBoxA(NULL, message, "Error", MB_ICONERROR);
});
*/
// Relevant Events -> these are received by running RunCallbacks() very often
/* OnCurrentUserUpdate
* Fires when the User struct of the currently connected user changes. They may have changed their avatar, username, or something else. */
state.core->UserManager().OnCurrentUserUpdate.Connect([]() {
state.core->UserManager().GetCurrentUser(&state.selfusr);
});
/* OnActivityJoin
* Fires when a user accepts a game chat invite or receives confirmation from Asking to Join. */
/* state.core->ActivityManager().OnActivityJoin.Connect([](const char* secret) {
state.activity.joinParty(secret);
});
/* OnActivityJoinRequest
* Fires when a user asks to join the current user's game. */
/* state.core->ActivityManager().OnActivityJoinRequest.Connect([](discord::User const& user) {
state.requester = user;
state.activity.updateParty();
});
/* OnActivityInvite
* Fires when the user receives a join or spectate invite.*/
/* state.core->ActivityManager().OnActivityInvite.Connect([](discord::ActivityActionType, discord::User const& user, discord::Activity const&) {
state.inviter = user;
});
/* OnToggle
* Fires when the overlay is locked or unlocked (a.k.a.opened or closed)
state.core->OverlayManager().OnToggle.Connect([](bool locked) { // (needs a handle to THIS process for hook -> ?injection necessary)
state.overlayLocked = locked;
});
*/
}
int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
_In_opt_ HINSTANCE hPrevInstance,
_In_ LPWSTR lpCmdLine,
_In_ int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// Start Continuum_main.exe
state.cont.startGameClient();
// Entry point for SDK-Client interface
DiscordInit();
// Begin RPC
std::thread([=]() {
std::this_thread::sleep_for(std::chrono::seconds(6)); // wait for SS to load
if (GAMEPROCESSOFFLINE == 0) // game process is available
{
state.activity.generatePresence();
state.cont.ship = atoi(multiByteString(state.cont.getRegValue(L"Ship")).c_str()); // sets ship status as last played ship
}
else // exit out if it hasn't started -> ?remove because of slow PCs
{
state.core->~Core();
exit(0);
}}).detach();
// Initialize global strings
LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadStringW(hInstance, IDC_DISCORDBRIDGE, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_DISCORDBRIDGE));
hHook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, hInstance, 0);
MSG msg;
// Main message loop:
while (GetMessage(&msg, nullptr, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
state.core->RunCallbacks();
}
}
return (int) msg.wParam;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEXW wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_DISCORDBRIDGE));
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_DISCORDBRIDGE);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassExW(&wcex);
}
//
// FUNCTION: InitInstance(HINSTANCE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hInst = hInstance; // Store instance handle in our global variable
HWND hWnd = CreateWindowW(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, nullptr, nullptr, hInstance, nullptr);
if (!hWnd)
{
return FALSE;
}
// ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_COMMAND:
{
int wmId = LOWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code that uses hdc here...
EndPaint(hWnd, &ps);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}