Skip to content

Commit

Permalink
use CreateProcess over ShellExecute
Browse files Browse the repository at this point in the history
  • Loading branch information
@v-maxson
v-maxson committed Jul 14, 2022
1 parent b3f1f80 commit c7d476a
Showing 1 changed file with 70 additions and 89 deletions.
159 changes: 70 additions & 89 deletions src/gui.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
#include <imgui_impl_sdlrenderer.h>
#include <Windows.h>
#include <thread>

using namespace std::literals::chrono_literals;

constexpr const char* WINDOW_TITLE = "Elden Ring Launcher";
constexpr unsigned int WINDOW_WIDTH = 300;
Expand All @@ -25,11 +25,12 @@ constexpr SDL_RendererFlags RENDERER_FLAGS = (SDL_RendererFlags)(

static bool g_sdlInitialized = false;
static bool g_imguiInitialized = false;
static bool g_shouldLoop = true;

static SDL_Window* g_window = nullptr;
static SDL_Renderer* g_renderer = nullptr;

bool Gui::InitializeSDL() noexcept {
bool InitializeSDL() noexcept {
// Initialize SDL Window
if (SDL_Init(SDL_INIT_VIDEO) != 0)
return false;
Expand Down Expand Up @@ -69,7 +70,7 @@ bool Gui::InitializeSDL() noexcept {
return true;
}

bool Gui::InitializeImGui() noexcept {
bool InitializeImGui() noexcept {
// SDL must be initialized.
if (!g_sdlInitialized)
return false;
Expand All @@ -90,7 +91,7 @@ bool Gui::InitializeImGui() noexcept {
return false;
}

void Gui::DestroySDL() noexcept {
void DestroySDL() noexcept {
if (!g_sdlInitialized)
return;

Expand All @@ -99,7 +100,7 @@ void Gui::DestroySDL() noexcept {
SDL_Quit();
}

void Gui::DestroyImGui() noexcept {
void DestroyImGui() noexcept {
if (!g_imguiInitialized)
return;

Expand All @@ -108,121 +109,101 @@ void Gui::DestroyImGui() noexcept {
ImGui::DestroyContext();
}

void Gui::BeginRender() noexcept {
void BeginRender() noexcept {
ImGui_ImplSDL2_NewFrame();
ImGui_ImplSDLRenderer_NewFrame();
ImGui::NewFrame();
}

void Gui::EndRender() noexcept {
void EndRender() noexcept {
ImGui::Render();
SDL_RenderClear(g_renderer);
ImGui_ImplSDLRenderer_RenderDrawData(ImGui::GetDrawData());
SDL_RenderPresent(g_renderer);
}

void Gui::Render() noexcept {
void Render() noexcept {
ImGui::SetNextWindowPos({ 0, 0 });
ImGui::SetNextWindowSize({ WINDOW_WIDTH, WINDOW_HEIGHT });

ImGui::Begin(
WINDOW_TITLE,
&Gui::g_shouldLoop,
ImGuiWindowFlags_NoSavedSettings
| ImGuiWindowFlags_NoMove
&g_shouldLoop,
ImGuiWindowFlags_NoMove
| ImGuiWindowFlags_NoResize
| ImGuiWindowFlags_NoCollapse
);

if (ImGui::Button("Start Online", ImVec2(WINDOW_WIDTH - 27, (WINDOW_HEIGHT / 2) - 35))) {
// Launch the original start_protected_game.exe
// It should now be called start_protected_game_original.exe
HINSTANCE result = ShellExecute(
nullptr,
nullptr,
"start_protected_game_original.exe",
nullptr,
nullptr,
0
);

// An error occured.
if ((INT_PTR)result < 32) {
switch ((INT_PTR)result) {
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND: {
SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Elden Ring Launcher Error",
"Could not find start_protected_game_original.exe",
g_window
);
} break;

default: {
SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Elden Ring Launcher Error",
"An error occured while trying to launch Elden Ring in online mode.\n\nThis may be due to missing permissions.",
g_window
);
} break;
}
}
else {
g_shouldLoop = false;
STARTUPINFOW sInfo{};
sInfo.cb = sizeof(sInfo);
ZeroMemory(&sInfo, sizeof(sInfo));
PROCESS_INFORMATION pInfo{};
ZeroMemory(&pInfo, sizeof(pInfo));
if (!CreateProcessW(
L"start_protected_game_original.exe",
nullptr, nullptr, nullptr, FALSE, 0, nullptr, nullptr,
&sInfo,
&pInfo
)) {
SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Elden Ring Launcher Error",
"Could not launch start_protected_game_original.exe",
g_window
);
}

// Not interested in hProcess or hThread currently.
if (pInfo.hProcess) CloseHandle(pInfo.hProcess);
if (pInfo.hThread) CloseHandle(pInfo.hThread);

// Close
g_shouldLoop = false;
}

ImGui::Separator();

if (ImGui::Button("Start Offline", ImVec2(WINDOW_WIDTH - 27, (WINDOW_HEIGHT / 2) - 35))) {
// Launch eldenring.exe directly.
HINSTANCE result = ShellExecute(
nullptr,
nullptr,
"eldenring.exe",
ER_LAUNCH_OPTIONS,
nullptr,
0
);

// An error occured.
if ((INT_PTR)result < 32) {
switch ((INT_PTR)result) {
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND: {
SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Elden Ring Launcher Error",
"Could not find eldenring.exe",
g_window
);
} break;

default: {
SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Elden Ring Launcher Error",
"An error occured while trying to launch Elden Ring in offline mode.\n\nThis may be due to missing permissions.",
g_window
);
} break;
}
}
else {
g_shouldLoop = false;
STARTUPINFOW sInfo{};
sInfo.cb = sizeof(sInfo);
ZeroMemory(&sInfo, sizeof(sInfo));
PROCESS_INFORMATION pInfo{};
ZeroMemory(&pInfo, sizeof(pInfo));
if (!CreateProcessW(
L"eldenring.exe",
(wchar_t*)L"-eac-nop-loaded",
nullptr, nullptr, FALSE, 0, nullptr, nullptr,
&sInfo,
&pInfo
)) {
SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Elden Ring Launcher Error",
"Could not launch eldenring.exe",
g_window
);
}

// Not interested in hProcess or hThread currently.
if (pInfo.hProcess) CloseHandle(pInfo.hProcess);
if (pInfo.hThread) CloseHandle(pInfo.hThread);

// Close
g_shouldLoop = false;
}

ImGui::End();
}

void Gui::Run() {
Gui::InitializeSDL();
Gui::InitializeImGui();
InitializeSDL();
InitializeImGui();

while (Gui::g_shouldLoop) {
while (g_shouldLoop) {
SDL_Event evt;
while (SDL_PollEvent(&evt)) {
ImGui_ImplSDL2_ProcessEvent(&evt);
Expand All @@ -231,18 +212,18 @@ void Gui::Run() {
// Handle quiting.
// Note: This only applies to bordered windows.
case SDL_QUIT: {
Gui::g_shouldLoop = false;
g_shouldLoop = false;
} break;
}
}

Gui::BeginRender();
Gui::Render();
Gui::EndRender();
BeginRender();
Render();
EndRender();

std::this_thread::sleep_for(std::chrono::milliseconds(50));
std::this_thread::sleep_for(50ms);
}

Gui::DestroyImGui();
Gui::DestroySDL();
DestroyImGui();
DestroySDL();
}

0 comments on commit c7d476a

Please sign in to comment.