h2-mod/src/client/component/gui.cpp
Federico Cecchetto a8537ed67b Some fixes
2022-04-18 20:01:23 +02:00

333 lines
7.4 KiB
C++

#include <std_include.hpp>
#include "loader/component_loader.hpp"
#include "game/game.hpp"
#include "game/dvars.hpp"
#include "scheduler.hpp"
#include "gui.hpp"
#include <utils/string.hpp>
#include <utils/hook.hpp>
#include <utils/concurrency.hpp>
extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
namespace gui
{
std::unordered_map<std::string, bool> enabled_menus;
namespace
{
struct frame_callback
{
std::function<void()> callback;
bool always;
};
struct event
{
HWND hWnd;
UINT msg;
WPARAM wParam;
LPARAM lParam;
};
utils::concurrency::container<std::vector<frame_callback>> on_frame_callbacks;
utils::concurrency::container<std::deque<notification_t>> notifications;
utils::concurrency::container<std::vector<event>> event_queue;
ID3D11Device* device;
ID3D11DeviceContext* device_context;
bool initialized = false;
bool toggled = false;
void initialize_gui_context()
{
ImGui::CreateContext();
ImGui::StyleColorsDark();
ImGui_ImplWin32_Init(*game::hWnd);
ImGui_ImplDX11_Init(device, device_context);
initialized = true;
}
void run_event_queue()
{
event_queue.access([](std::vector<event>& queue)
{
for (const auto& event : queue)
{
ImGui_ImplWin32_WndProcHandler(event.hWnd, event.msg, event.wParam, event.lParam);
}
queue.clear();
});
}
void new_gui_frame()
{
ImGui::GetIO().MouseDrawCursor = toggled;
if (toggled)
{
*game::keyCatchers |= 0x10;
}
else
{
*game::keyCatchers &= ~0x10;
}
ImGui_ImplDX11_NewFrame();
ImGui_ImplWin32_NewFrame();
run_event_queue();
ImGui::NewFrame();
}
void end_gui_frame()
{
ImGui::EndFrame();
ImGui::Render();
ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());
}
void toggle_menu(const std::string& name)
{
enabled_menus[name] = !enabled_menus[name];
}
void show_notifications()
{
static const auto window_flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoSavedSettings |
ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav |
ImGuiWindowFlags_NoMove;
notifications.access([](std::deque<notification_t>& notifications_)
{
auto index = 0;
for (auto i = notifications_.begin(); i != notifications_.end();)
{
const auto now = std::chrono::high_resolution_clock::now();
if (now - i->creation_time >= i->duration)
{
i = notifications_.erase(i);
continue;
}
const auto title = utils::string::truncate(i->title, 34, "...");
const auto text = utils::string::truncate(i->text, 34, "...");
ImGui::SetNextWindowSizeConstraints(ImVec2(250, 50), ImVec2(250, 50));
ImGui::SetNextWindowBgAlpha(0.6f);
ImGui::Begin(utils::string::va("Notification #%i", index), nullptr, window_flags);
ImGui::SetWindowPos(ImVec2(10, 30.f + static_cast<float>(index) * 60.f));
ImGui::SetWindowSize(ImVec2(250, 0));
ImGui::Text(title.data());
ImGui::Text(text.data());
ImGui::End();
++i;
++index;
}
});
}
void menu_checkbox(const std::string& name, const std::string& menu)
{
ImGui::Checkbox(name.data(), &enabled_menus[menu]);
}
void run_frame_callbacks()
{
on_frame_callbacks.access([](std::vector<frame_callback>& callbacks)
{
for (const auto& callback : callbacks)
{
if (callback.always || toggled)
{
callback.callback();
}
}
});
}
void draw_main_menu_bar()
{
if (ImGui::BeginMainMenuBar())
{
if (ImGui::BeginMenu("Windows"))
{
menu_checkbox("Asset list", "asset_list");
menu_checkbox("Entity list", "entity_list");
menu_checkbox("Console", "console");
menu_checkbox("Script console", "script_console");
menu_checkbox("Debug", "debug");
ImGui::EndMenu();
}
ImGui::EndMainMenuBar();
}
}
void gui_on_frame()
{
if (!initialized)
{
initialize_gui_context();
}
else
{
new_gui_frame();
run_frame_callbacks();
end_gui_frame();
}
}
HRESULT d3d11_create_device_stub(IDXGIAdapter* pAdapter, D3D_DRIVER_TYPE DriverType, HMODULE Software,
UINT Flags, const D3D_FEATURE_LEVEL* pFeatureLevels, UINT FeatureLevels, UINT SDKVersion,
ID3D11Device** ppDevice, D3D_FEATURE_LEVEL* pFeatureLevel, ID3D11DeviceContext** ppImmediateContext)
{
const auto result = D3D11CreateDevice(pAdapter, DriverType, Software, Flags, pFeatureLevels,
FeatureLevels, SDKVersion, ppDevice, pFeatureLevel, ppImmediateContext);
if (ppDevice != nullptr && ppImmediateContext != nullptr)
{
device = *ppDevice;
device_context = *ppImmediateContext;
}
return result;
}
void dxgi_swap_chain_present_stub(utils::hook::assembler& a)
{
a.pushad64();
a.call_aligned(gui_on_frame);
a.popad64();
a.mov(r8d, esi);
a.mov(edx, r15d);
a.mov(rcx, rdi);
a.call_aligned(rbx);
a.mov(ecx, eax);
a.jmp(0x1407A14D1);
}
utils::hook::detour wnd_proc_hook;
LRESULT wnd_proc_stub(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if (wParam != VK_ESCAPE && toggled)
{
event_queue.access([hWnd, msg, wParam, lParam](std::vector<event>& queue)
{
queue.push_back({hWnd, msg, wParam, lParam});
});
}
return wnd_proc_hook.invoke<LRESULT>(hWnd, msg, wParam, lParam);
}
}
bool gui_key_event(const int local_client_num, const int key, const int down)
{
if (key == game::K_F10 && down)
{
toggled = !toggled;
return false;
}
if (key == game::K_ESCAPE && down && toggled)
{
toggled = false;
return false;
}
return !toggled;
}
bool gui_char_event(const int local_client_num, const int key)
{
return !toggled;
}
bool gui_mouse_event(const int local_client_num, int x, int y)
{
return !toggled;
}
void on_frame(const std::function<void()>& callback, bool always)
{
on_frame_callbacks.access([always, callback](std::vector<frame_callback>& callbacks)
{
callbacks.push_back({callback, always});
});
}
bool is_menu_open(const std::string& name)
{
return enabled_menus[name];
}
void notification(const std::string& title, const std::string& text, const std::chrono::milliseconds duration)
{
notification_t notification{};
notification.title = title;
notification.text = text;
notification.duration = duration;
notification.creation_time = std::chrono::high_resolution_clock::now();
notifications.access([notification](std::deque<notification_t>& notifications_)
{
notifications_.push_front(notification);
});
}
void copy_to_clipboard(const std::string& text)
{
utils::string::set_clipboard_data(text);
gui::notification("Text copied to clipboard", utils::string::va("\"%s\"", text.data()));
}
class component final : public component_interface
{
public:
void* load_import(const std::string& library, const std::string& function) override
{
if (function == "D3D11CreateDevice")
{
return d3d11_create_device_stub;
}
return nullptr;
}
void post_unpack() override
{
utils::hook::jump(0x1407A14C4, utils::hook::assemble(dxgi_swap_chain_present_stub), true);
wnd_proc_hook.create(0x140650F10, wnd_proc_stub);
on_frame([]()
{
show_notifications();
draw_main_menu_bar();
});
}
void pre_destroy() override
{
if (initialized)
{
ImGui_ImplWin32_Shutdown();
ImGui::DestroyContext();
}
}
};
}
REGISTER_COMPONENT(gui::component)