mirror of
https://github.com/Blinue/Magpie.git
synced 2026-06-24 02:04:10 +00:00
111 lines
3 KiB
C++
111 lines
3 KiB
C++
#include "pch.h"
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#include "UIDrawer.h"
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#include "App.h"
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#include "DeviceResources.h"
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#include <imgui.h>
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#include "imgui_impl_magpie.h"
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#include "imgui_impl_dx11.h"
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#include "Renderer.h"
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#include "CursorDrawer.h"
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#include "GPUTimer.h"
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UIDrawer::~UIDrawer() {
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if (_handlerID != 0) {
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App::GetInstance().UnregisterWndProcHandler(_handlerID);
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}
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ImGui_ImplDX11_Shutdown();
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ImGui_ImplMagpie_Shutdown();
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ImGui::DestroyContext();
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}
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float GetDpiScale() {
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return GetDpiForWindow(App::GetInstance().GetHwndHost()) / 96.0f;
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}
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bool UIDrawer::Initialize(ID3D11Texture2D* renderTarget) {
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auto& dr = App::GetInstance().GetDeviceResources();
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO();
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io.ConfigFlags |= ImGuiConfigFlags_NavNoCaptureKeyboard | ImGuiConfigFlags_NoMouseCursorChange;
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float dpiScale = GetDpiScale();
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ImGui::StyleColorsDark();
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ImGui::GetStyle().WindowRounding = 6;
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ImGui::GetStyle().FrameBorderSize = 1;
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ImGui::GetStyle().ScaleAllSizes(dpiScale);
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io.Fonts->AddFontFromFileTTF(".\\assets\\NotoSansSC-Regular.otf", std::floor(20.0f * dpiScale), NULL);
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ImGui_ImplMagpie_Init();
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ImGui_ImplDX11_Init(dr.GetD3DDevice(), dr.GetD3DDC());
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dr.GetRenderTargetView(renderTarget, &_rtv);
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_handlerID = App::GetInstance().RegisterWndProcHandler(_WndProcHandler);
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return true;
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}
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void DrawUI() {
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const ImGuiViewport* main_viewport = ImGui::GetMainViewport();
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ImGui::SetNextWindowPos(ImVec2(main_viewport->WorkPos.x + 650, main_viewport->WorkPos.y + 20), ImGuiCond_FirstUseEver);
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ImGui::SetNextWindowSize(ImVec2(200, 100), ImGuiCond_FirstUseEver);
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if (!ImGui::Begin("Debug", nullptr, ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoNav)) {
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// Early out if the window is collapsed, as an optimization.
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ImGui::End();
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return;
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}
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ImGui::Text(fmt::format("FPS: {}", App::GetInstance().GetRenderer().GetGPUTimer().GetFramesPerSecond()).c_str());
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ImGui::End();
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}
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void UIDrawer::Draw() {
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ImGui_ImplMagpie_NewFrame();
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ImGui_ImplDX11_NewFrame();
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ImGui::NewFrame();
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if (ImGui::GetIO().WantCaptureMouse) {
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if (!_cursorOnUI) {
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HWND hwndHost = App::GetInstance().GetHwndHost();
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LONG_PTR style = GetWindowLongPtr(hwndHost, GWL_EXSTYLE);
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SetWindowLongPtr(hwndHost, GWL_EXSTYLE, style & ~WS_EX_TRANSPARENT);
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_cursorOnUI = true;
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}
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} else {
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if (_cursorOnUI) {
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HWND hwndHost = App::GetInstance().GetHwndHost();
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LONG_PTR style = GetWindowLongPtr(hwndHost, GWL_EXSTYLE);
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SetWindowLongPtr(hwndHost, GWL_EXSTYLE, style | WS_EX_TRANSPARENT);
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_cursorOnUI = false;
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}
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}
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bool show = true;
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DrawUI();
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ImGui::Render();
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const RECT& outputRect = App::GetInstance().GetRenderer().GetOutputRect();
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ImGui::GetDrawData()->DisplayPos = ImVec2(-outputRect.left, -outputRect.top);
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auto d3dDC = App::GetInstance().GetDeviceResources().GetD3DDC();
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d3dDC->OMSetRenderTargets(1, &_rtv, NULL);
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ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());
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}
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bool UIDrawer::_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
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ImGui_ImplMagpie_WndProcHandler(hWnd, msg, wParam, lParam);
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return false;
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}
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