🎨 Making a Tool base

Modules/Tool/Source/Tool.cpp

@@ -0,0 +1,188 @@
+#include "Tool.h"
+
+#include <functional>
+
+#include "SDL_video.h"
+
+#include "Renderer.h"
+#include "Math/Vector2.h"
+#include "Window/SDLWindow.h"
+#include "imgui.h"
+#include "UI/Colors.h"
+#include "Window/PlatformWindowHooks.h"
+#include <Camera/CameraData.h>
+
+extern bool ImGui_ImplSDL2_InitForMetal( SDL_Window* window );
+extern bool ImGui_ImplSDL2_InitForD3D( SDL_Window* window );
+
+Tool::Tool( ToolCreationFlags& inToolCreationFlags )
+    : m_toolCreationFlags( inToolCreationFlags )
+{
+}
+
+void Tool::Start()
+{
+    if( m_renderer )
+    {
+        return;
+    }
+
+    m_renderer = new BGFXRenderer();
+
+    std::function<void( const Vector2& )> ResizeFunc = [this]( const Vector2& NewSize )
+        {
+            if( m_renderer )
+            {
+                m_renderer->WindowResized( NewSize );
+            }
+        };
+
+    m_window = new SDLWindow( "ME HUB", ResizeFunc, 500, 300, Vector2( 1280, 720 ) );
+    m_window->SetBorderless( m_toolCreationFlags.isBorderless );
+    ResizeFunc( Vector2( 1280, 720 ) );
+    RendererCreationSettings set;
+    set.WindowPtr = m_window->GetWindowPtr();
+    set.InitAssets = false;
+    m_renderer->Create( set );
+
+#if USING( ME_PLATFORM_WIN64 )
+    ImGui_ImplSDL2_InitForD3D( static_cast<SDLWindow*>( m_window )->WindowHandle );
+#endif
+#if USING( ME_PLATFORM_MACOS )
+    ImGui_ImplSDL2_InitForMetal( static_cast<SDLWindow*>( m_window )->WindowHandle );
+#endif
+
+
+    ImGuiIO& io = ImGui::GetIO(); (void)io;
+    Path EngineConfigFilePath = Path( ".tmp/hub-imgui.cfg" );
+    io.IniFilename = EngineConfigFilePath.FullPath.c_str();
+
+    io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports | ImGuiBackendFlags_RendererHasViewports;
+
+    {
+        ImVec4* colors = ImGui::GetStyle().Colors;
+        colors[ImGuiCol_Text] = COLOR_TEXT;
+        colors[ImGuiCol_TextDisabled] = ImVec4( 0.50f, 0.50f, 0.50f, 1.00f );
+        colors[ImGuiCol_WindowBg] = COLOR_FOREGROUND;
+        colors[ImGuiCol_ChildBg] = ImVec4( 1.00f, 1.00f, 1.00f, 0.00f );
+        colors[ImGuiCol_PopupBg] = ImVec4( 0.08f, 0.08f, 0.08f, 0.94f );
+        colors[ImGuiCol_Border] = ImVec4( 0.43f, 0.43f, 0.50f, 0.50f );
+        colors[ImGuiCol_BorderShadow] = ImVec4( 0.00f, 0.00f, 0.00f, 0.00f );
+        colors[ImGuiCol_FrameBg] = COLOR_DROPDOWN;
+        colors[ImGuiCol_FrameBgHovered] = ImVec4( 0.40f, 0.40f, 0.40f, 0.40f );
+        colors[ImGuiCol_FrameBgActive] = ImVec4( 0.18f, 0.18f, 0.18f, 0.67f );
+        colors[ImGuiCol_TitleBg] = COLOR_BACKGROUND_BORDER;
+        colors[ImGuiCol_TitleBgActive] = COLOR_BACKGROUND_BORDER;
+        colors[ImGuiCol_TitleBgCollapsed] = ImVec4( 0.00f, 0.00f, 0.00f, 0.51f );
+        colors[ImGuiCol_MenuBarBg] = COLOR_FOREGROUND;
+        colors[ImGuiCol_ScrollbarBg] = COLOR_FOREGROUND;
+        colors[ImGuiCol_ScrollbarGrab] = COLOR_WHITE_25;
+        colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4( 0.41f, 0.41f, 0.41f, 1.00f );
+        colors[ImGuiCol_ScrollbarGrabActive] = ImVec4( 0.51f, 0.51f, 0.51f, 1.00f );
+        colors[ImGuiCol_CheckMark] = ImVec4( 0.94f, 0.94f, 0.94f, 1.00f );
+        colors[ImGuiCol_SliderGrab] = ImVec4( 0.51f, 0.51f, 0.51f, 1.00f );
+        colors[ImGuiCol_SliderGrabActive] = ImVec4( 0.86f, 0.86f, 0.86f, 1.00f );
+        colors[ImGuiCol_Button] = { 0.220f, 0.220f, 0.220f, 0.25f };
+        colors[ImGuiCol_ButtonHovered] = COLOR_PRIMARY_HOVER;
+        colors[ImGuiCol_ButtonActive] = COLOR_PRIMARY_PRESS;
+        colors[ImGuiCol_Header] = COLOR_WHITE_25;
+        colors[ImGuiCol_HeaderHovered] = COLOR_PRIMARY_HOVER;
+        colors[ImGuiCol_HeaderActive] = COLOR_PRIMARY_PRESS;
+        colors[ImGuiCol_Separator] = COLOR_BACKGROUND_BORDER;
+        colors[ImGuiCol_SeparatorHovered] = COLOR_PRIMARY_HOVER;
+        colors[ImGuiCol_SeparatorActive] = COLOR_PRIMARY_PRESS;
+        colors[ImGuiCol_ResizeGrip] = ImVec4( 0.91f, 0.91f, 0.91f, 0.25f );
+        colors[ImGuiCol_ResizeGripHovered] = ImVec4( 0.81f, 0.81f, 0.81f, 0.67f );
+        colors[ImGuiCol_ResizeGripActive] = ImVec4( 0.46f, 0.46f, 0.46f, 0.95f );
+        colors[ImGuiCol_PlotLines] = ImVec4( 0.61f, 0.61f, 0.61f, 1.00f );
+        colors[ImGuiCol_PlotLinesHovered] = ImVec4( 1.00f, 0.43f, 0.35f, 1.00f );
+        colors[ImGuiCol_PlotHistogram] = ImVec4( 0.73f, 0.60f, 0.15f, 1.00f );
+        colors[ImGuiCol_PlotHistogramHovered] = ImVec4( 1.00f, 0.60f, 0.00f, 1.00f );
+        colors[ImGuiCol_TextSelectedBg] = ImVec4( 0.87f, 0.87f, 0.87f, 0.35f );
+        //colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
+        colors[ImGuiCol_DragDropTarget] = ImVec4( 1.00f, 1.00f, 0.00f, 0.90f );
+        colors[ImGuiCol_NavHighlight] = ImVec4( 0.60f, 0.60f, 0.60f, 1.00f );
+        colors[ImGuiCol_NavWindowingHighlight] = ImVec4( 1.00f, 1.00f, 1.00f, 0.70f );
+        colors[ImGuiCol_Tab] = COLOR_FOREGROUND;
+        colors[ImGuiCol_TabHovered] = COLOR_PRIMARY_HOVER;
+        colors[ImGuiCol_TabActive] = COLOR_PRIMARY;
+        colors[ImGuiCol_TabUnfocused] = COLOR_TITLE;
+        colors[ImGuiCol_TabUnfocusedActive] = COLOR_FOREGROUND;
+        colors[ImGuiCol_TableHeaderBg] = COLOR_HEADER;
+        colors[ImGuiCol_TableRowBg] = COLOR_TITLE;
+        colors[ImGuiCol_TableRowBgAlt] = COLOR_RECESSED;
+    }
+
+    // Hooking into ImGui
+    {
+        ImGui::InitHooks( m_window, m_renderer->GetImGuiRenderer() );
+    }
+
+    /*{
+        ProjectEntry p;
+        p.BackgroundImage = ResourceCache::GetInstance().Get<Moonlight::Texture>(Path("fl.png"));
+        p.TitleImage = logo;
+        p.Name = "Fruit Loops";
+        Cache.Projects.push_back(p);
+    }
+
+    {
+        ProjectEntry p;
+        p.BackgroundImage = ResourceCache::GetInstance().Get<Moonlight::Texture>(Path("run.png"));
+        p.TitleImage = logo;
+        p.Name = "Fruit Loops: Secret Department";
+        Cache.Projects.push_back(p);
+    }*/
+
+    // Setup the borderless window
+    {
+        auto cb = [this]( const Vector2& pos ) -> std::optional<SDL_HitTestResult>
+            {
+                if( pos > TitleBarDragPosition && pos < TitleBarDragPosition + TitleBarDragSize )
+                {
+                    return SDL_HitTestResult::SDL_HITTEST_DRAGGABLE;
+                }
+
+                return std::nullopt;
+            };
+        m_window->SetBorderless( m_toolCreationFlags.isBorderless );
+        m_window->SetCustomDragCallback( cb );
+    }
+
+    OnStart();
+
+    Run();
+}
+
+void Tool::Run()
+{
+    while( !m_window->ShouldClose() )
+    {
+        m_window->ParseMessageQueue();
+
+        m_input.Update();
+        ImGuiIO& io = ImGui::GetIO();
+
+        Vector2 mousePos = m_input.GetMousePosition();
+        if( io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable )
+        {
+            // Multi-viewport mode: mouse position in OS absolute coordinates (io.MousePos is (0,0) when the mouse is on the upper-left of the primary monitor)
+            mousePos = m_input.GetGlobalMousePosition();
+        }
+
+        m_renderer->BeginFrame( mousePos, ( m_input.IsMouseButtonDown( MouseButton::Left ) ? 0x01 : 0 )
+            | ( m_input.IsMouseButtonDown( MouseButton::Right ) ? 0x02 : 0 )
+            | ( m_input.IsMouseButtonDown( MouseButton::Middle ) ? 0x04 : 0 )
+            , (int32_t)m_input.GetMouseScrollOffset().y
+            , m_window->GetSize()
+            , -1
+            , 255 );
+
+        OnUpdate();
+
+        Moonlight::CameraData cam;
+        m_renderer->Render( cam );
+        m_input.PostUpdate();
+    }
+}
+

Modules/Tool/Source/Tool.h

@@ -0,0 +1,36 @@
+#pragma once
+#include "Engine/Input.h"
+#include "Math/Vector2.h"
+
+class SDLWindow;
+class BGFXRenderer;
+
+struct ToolCreationFlags
+{
+    bool isBorderless = false;
+};
+
+
+class Tool
+{
+public:
+    Tool() = delete;
+    Tool( ToolCreationFlags& inToolCreationFlags );
+
+    void Start();
+
+    virtual void OnStart() = 0;
+
+    virtual void OnUpdate() = 0;
+
+private:
+    void Run();
+
+protected:
+    ToolCreationFlags m_toolCreationFlags;
+    Input m_input;
+    SDLWindow* m_window = nullptr;
+    BGFXRenderer* m_renderer = nullptr;
+    Vector2 TitleBarDragPosition = { 0.f, 0.f };
+    Vector2 TitleBarDragSize = { 0.f, 0.f };
+};

Tools/HUB/MitchHub.sharpmake.cs

@@ -8,6 +8,8 @@ public MitchHubProject()
     {
         Name = "HUB";
         SourceRootPath = @"Source";
+        SourceFiles.Add(Globals.RootDir + "/Engine/Modules/Tool/Source/Tool.h");
+        SourceFiles.Add(Globals.RootDir + "/Engine/Modules/Tool/Source/Tool.cpp");
     }
 
     public override void ConfigureAll(Project.Configuration conf, CommonTarget target)
@@ -17,6 +19,7 @@ public override void ConfigureAll(Project.Configuration conf, CommonTarget targe
         conf.SolutionFolder = "Tools";
 
         conf.IncludePaths.Add("[project.SourceRootPath]");
+        conf.IncludePaths.Add(Globals.RootDir + "/Engine/Modules/Tool/Source/");
         conf.TargetPath = Globals.RootDir + "/.build/[target.Name]/";
         conf.VcxprojUserFile.LocalDebuggerWorkingDirectory = "[project.SharpmakeCsPath]";