switch to SDL3+BepisLoader
This commit is contained in:
art0007i
@@ -0,0 +1,147 @@
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using BepInEx.Configuration;
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using Elements.Core;
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using ResoniteImGuiLib.SDL3;
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using SDL3;
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using System.Collections.Concurrent;
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namespace ResoniteImGuiLib;
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public class ImGuiInstance
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{
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private ImGuiInstance(string name)
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{
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_name = name;
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_entry = Plugin.Config.Bind("Windows", "Rect_" + Name, new int4(200, 200, 400, 300));
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}
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public string Name => _name;
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public event Action? Layout;
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private string _name;
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private ConfigEntry<int4> _entry;
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private static bool IsSDL3Running => _sdl3Thread is { IsAlive: true };
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private static Thread? _sdl3Thread;
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private static Dictionary<string, ImGuiInstance> GuiInstances = new();
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internal static ConcurrentQueue<ImGuiInstance> newInstances = new();
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internal static ConcurrentQueue<(string, Action<SDL3Window>)> windowRequests = new();
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/// <summary>
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/// Gets a reference to the SDL3Window inside of a callback.
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/// The callback will be called inside the SDL3 Thread.
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/// </summary>
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/// <param name="callback"></param>
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public void GetImGui(Action<SDL3Window> callback)
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{
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windowRequests.Enqueue((Name, callback));
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}
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/// <summary>
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/// Creates a new ImGuiInstance with the "global" name or returns it if it already exists.
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/// </summary>
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/// <param name="onReady">Callback for when the ImGui instance is ready. You can put initialization logic here.</param>
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/// <returns></returns>
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public static ImGuiInstance GetOrCreate(ImGuiReady onReady) => GetOrCreate("global", onReady);
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/// <summary>
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/// Creates a new ImGuiInstance or returns one if it already exists.
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/// </summary>
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/// <param name="onReady">Callback for when the ImGui instance is ready. You can put initialization logic here.</param>
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/// <returns></returns>
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public static ImGuiInstance GetOrCreate(string name = "global", ImGuiReady? onReady = null)
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{
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if (GuiInstances.TryGetValue(name, out var instance))
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{
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if (onReady != null)
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instance.GetImGui((gui) => onReady(gui, false));
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return instance;
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}
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instance = new ImGuiInstance(name);
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GuiInstances.Add(name, instance);
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if (onReady != null)
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instance.GetImGui((gui) => onReady(gui, true));
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newInstances.Enqueue(instance);
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TryStartSDL3Thread();
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return instance;
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}
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private static void TryStartSDL3Thread()
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{
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if (IsSDL3Running)
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return;
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_sdl3Thread = new Thread(() => RunSDL3())
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{
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Name = $"Resonite ImGui SDL3",
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Priority = ThreadPriority.Highest,
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IsBackground = false
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};
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_sdl3Thread.Start();
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}
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static Dictionary<string, SDL3Window> windows = new();
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static Dictionary<uint, SDL3Window> windowsById = new();
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private static void RunSDL3()
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{
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try
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{
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while (true)
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{
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while (newInstances.TryDequeue(out var request))
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{
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SDL3Window app = new SDL3Window("ImGuiContext: " + request.Name, request._entry.Value.x, request._entry.Value.y, request._entry.Value.z, request._entry.Value.w);
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app.WindowRectModified += (rect) => request._entry.Value = rect;
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// TODO: maybe listen to config changes to resize window
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// request._entry.SettingChanged += (_, _) => { };
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app.RenderCallback = request.Layout!;
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windows[request.Name] = app;
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var winId = SDL.GetWindowID(app.Window);
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if (!windowsById.TryAdd(winId, app))
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{
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Plugin.Log.LogError($"Failed to add window with id {(uint) app.Window}, name {request.Name}!");
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}
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}
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for (int i = 0; i < windowRequests.Count; i++)
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{
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if (windowRequests.TryDequeue(out var callback))
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{
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if (windows.TryGetValue(callback.Item1, out var window))
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{
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callback.Item2?.Invoke(window);
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}
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else
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{
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windowRequests.Enqueue(callback);
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}
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}
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}
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while (SDL.PollEvent(out SDL.Event ev))
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{
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if (windowsById.TryGetValue(ev.Window.WindowID, out var window))
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{
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window.EventQueue.Enqueue(ev);
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}
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}
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foreach (var (key, window) in windows)
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{
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window.RunOneFrame();
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}
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}
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}
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catch (Exception e)
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{
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Plugin.Log.LogError($"SDL3 Thread crashed: {e}");
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}
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_sdl3Thread?.Interrupt();
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_sdl3Thread = null;
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}
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}
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public delegate void ImGuiReady(SDL3Window imGui, bool isNewInstance);
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@@ -0,0 +1,49 @@
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using BepInEx;
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using BepInEx.Configuration;
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using BepInEx.Logging;
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using BepInEx.NET.Common;
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using BepInExResoniteShim;
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using Elements.Core;
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using FrooxEngine;
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namespace ResoniteImGuiLib;
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public static class ImGuiLib
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{
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public static ImGuiInstance GetOrCreateInstance(ImGuiReady onReady)
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{
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return GetOrCreateInstance("global", onReady);
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}
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public static ImGuiInstance GetOrCreateInstance(string name = "global", ImGuiReady? onReady = null)
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{
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return ImGuiInstance.GetOrCreate(name, onReady);
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}
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}
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[ResonitePlugin(PluginMetadata.GUID, PluginMetadata.NAME, PluginMetadata.VERSION, PluginMetadata.AUTHORS, PluginMetadata.REPOSITORY_URL)]
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[BepInDependency(BepInExResoniteShim.PluginMetadata.GUID, BepInDependency.DependencyFlags.HardDependency)]
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public class Plugin : BasePlugin
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{
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#nullable disable
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internal static new ManualLogSource Log;
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internal static new ConfigFile Config;
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internal static ConfigEntry<color> DefaultBackgroundColor;
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#nullable enable
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public static readonly CancellationTokenSource CancellationToken = new CancellationTokenSource();
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public override void Load()
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{
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Log = base.Log;
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Config = base.Config;
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DefaultBackgroundColor = Config.Bind("General", "DefaultBackgroundColor", new color(0.45f, 0.55f, 0.60f, 1.00f), "Default background color that new ImGui windows will have.");
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BepisResoniteWrapper.ResoniteHooks.OnEngineReady += () =>
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{
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Engine.Current.OnShutdown += () => CancellationToken.Cancel();
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Engine.Current.OnShutdownRequest += _ => CancellationToken.Cancel();
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};
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}
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}
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@@ -0,0 +1,10 @@
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{
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"profiles": {
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"Launch": {
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"commandName": "Executable",
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"executablePath": "$(GamePath)Renderite.Host.exe",
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"commandLineArgs": "-Screen $(ResoniteLaunchArguments)",
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"workingDirectory": "$(GamePath)"
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}
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}
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}
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@@ -0,0 +1,70 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<Version>2.0.0</Version>
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<Authors>art0007i</Authors>
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<TargetFramework>net9.0</TargetFramework>
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<RepositoryUrl>https://github.com/art0007i/ResoniteImGuiLib</RepositoryUrl>
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<PackageId>art0007i.ResoniteImGuiLib</PackageId>
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<Product>ResoniteImGuiLib</Product>
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<RootNamespace>ResoniteImGuiLib</RootNamespace>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<Deterministic>true</Deterministic>
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<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
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<CopyToPlugins>false</CopyToPlugins>
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<ThunderstorePackable>true</ThunderstorePackable>
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<GamePath Condition="'$(ResonitePath)' != ''">$(ResonitePath)/</GamePath>
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<GamePath Condition="Exists('$(MSBuildProgramFiles32)\Steam\steamapps\common\Resonite\')">$(MSBuildProgramFiles32)\Steam\steamapps\common\Resonite\</GamePath>
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<GamePath Condition="Exists('$(HOME)/.steam/steam/steamapps/common/Resonite/')">$(HOME)/.steam/steam/steamapps/common/Resonite/</GamePath>
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<PluginTargetDir>$(GamePath)BepInEx\plugins\$(AssemblyName)</PluginTargetDir>
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<RestoreAdditionalProjectSources>
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https://nuget-modding.resonite.net/v3/index.json;
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</RestoreAdditionalProjectSources>
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<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<!-- Modding dependencies -->
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<ItemGroup>
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<PackageReference Include="BepInEx.ResonitePluginInfoProps" Version="3.*" />
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<PackageReference Include="ResoniteModding.BepInExResoniteShim" Version="0.8.*" />
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<PackageReference Include="ResoniteModding.BepisResoniteWrapper" Version="1.0.*" />
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<PackageReference Include="ImGui.NET" Version="1.91.6.1" />
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<PackageReference Include="SDL3-CS" Version="3.2.18" />
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<PackageReference Include="SDL3-CS.Native" Version="3.2.18" />
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</ItemGroup>
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<!-- NuGet fallback stripped game references -->
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<ItemGroup Condition="!Exists('$(GamePath)')">
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<PackageReference Include="Resonite.GameLibs" Version="2025.*" PrivateAssets="all" />
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</ItemGroup>
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<!-- Local game references -->
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<ItemGroup Condition="Exists('$(GamePath)')">
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<Reference Include="FrooxEngine">
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<HintPath>$(GamePath)FrooxEngine.dll</HintPath>
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<Private>False</Private>
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</Reference>
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<Reference Include="Elements.Core">
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<HintPath>$(GamePath)Elements.Core.dll</HintPath>
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<Private>False</Private>
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</Reference>
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<Reference Include="Renderite.Shared">
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<HintPath>$(GamePath)Renderite.Shared.dll</HintPath>
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<Private>False</Private>
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</Reference>
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</ItemGroup>
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<!-- Post-build copy to game plugins folder -->
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<Target Name="PostBuild" AfterTargets="PostBuildEvent">
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<ItemGroup>
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<PluginFiles Include="$(TargetPath)" />
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<PluginFiles Include="$(TargetDir)$(TargetName).pdb" Condition="Exists('$(TargetDir)$(TargetName).pdb')" />
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</ItemGroup>
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<Copy SourceFiles="@(PluginFiles)" DestinationFolder="$(PluginTargetDir)" Condition="'$(CopyToPlugins)' == 'true'" />
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<Message Text="Copied plugin files to $(PluginTargetDir)" Importance="high" Condition="'$(CopyToPlugins)' == 'true'" />
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</Target>
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</Project>
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@@ -0,0 +1,427 @@
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using ImGuiNET;
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using SDL3;
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namespace ResoniteImGuiLib.SDL3;
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/// <summary>
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/// Implementation of SDL3 platform backend for ImGui.
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/// https://github.com/ocornut/imgui/blob/master/backends/imgui_impl_sdl3.h
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/// </summary>
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public class ImGuiSDL3 : IDisposable
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{
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public readonly IntPtr Window;
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public readonly IntPtr Renderer;
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public readonly uint WindowId;
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private uint _mouseWindowId;
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private int _mousePendingLeaveFrame;
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private IntPtr[] _mouseCursors = new IntPtr[(int)ImGuiMouseCursor.COUNT];
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private IntPtr _mouseLastCursor = -1;
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private int _mouseButtonsDown;
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// I don't think we actually need these since it works just fine without them
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//
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// [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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// public delegate IntPtr Platform_GetClipboardTextFn(IntPtr ctx);
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//
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// [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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// public delegate void Platform_SetClipboardTextFn(IntPtr ctx, IntPtr text);
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//
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// private static Platform_GetClipboardTextFn getClipboardDelegate = GetClipboardText;
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// private static Platform_SetClipboardTextFn setClipboardDelegate = SetClipboardText;
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//
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// private static IntPtr getClipboardPtr;
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// private static IntPtr setClipboardPtr;
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//
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// private static IntPtr clipboardTextPtr = IntPtr.Zero;
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public ImGuiSDL3(IntPtr window, IntPtr renderer)
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{
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ImGuiIOPtr io = ImGui.GetIO();
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io.BackendFlags |= ImGuiBackendFlags.HasMouseCursors;
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io.BackendFlags |= ImGuiBackendFlags.HasSetMousePos;
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Window = window;
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WindowId = SDL.GetWindowID(Window);
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Renderer = renderer;
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// I don't think we actually need these since it works just fine without them
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//
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// ImGuiPlatformIOPtr platformIo = ImGui.GetPlatformIO();
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// platformIo.Platform_SetClipboardTextFn = Marshal.GetFunctionPointerForDelegate(setClipboardDelegate);
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// platformIo.Platform_GetClipboardTextFn = Marshal.GetFunctionPointerForDelegate(getClipboardDelegate);
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// getClipboardPtr = platformIo.Platform_GetClipboardTextFn;
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// setClipboardPtr = platformIo.Platform_SetClipboardTextFn;
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_mouseCursors[(int)ImGuiMouseCursor.Arrow] = SDL.CreateSystemCursor(SDL.SystemCursor.Default);
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_mouseCursors[(int)ImGuiMouseCursor.TextInput] = SDL.CreateSystemCursor(SDL.SystemCursor.Text);
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_mouseCursors[(int)ImGuiMouseCursor.ResizeAll] = SDL.CreateSystemCursor(SDL.SystemCursor.Move);
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_mouseCursors[(int)ImGuiMouseCursor.ResizeNS] = SDL.CreateSystemCursor(SDL.SystemCursor.NSResize);
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_mouseCursors[(int)ImGuiMouseCursor.ResizeEW] = SDL.CreateSystemCursor(SDL.SystemCursor.EWResize);
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_mouseCursors[(int)ImGuiMouseCursor.ResizeNESW] = SDL.CreateSystemCursor(SDL.SystemCursor.NESWResize);
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_mouseCursors[(int)ImGuiMouseCursor.ResizeNWSE] = SDL.CreateSystemCursor(SDL.SystemCursor.NWSEResize);
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_mouseCursors[(int)ImGuiMouseCursor.Hand] = SDL.CreateSystemCursor(SDL.SystemCursor.Pointer);
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_mouseCursors[(int)ImGuiMouseCursor.NotAllowed] = SDL.CreateSystemCursor(SDL.SystemCursor.NotAllowed);
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ImGuiViewportPtr viewport = ImGui.GetMainViewport();
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SetupPlatformHandles(viewport, window);
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}
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public void Dispose()
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{
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foreach (IntPtr cursor in _mouseCursors)
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SDL.DestroyCursor(cursor);
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}
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public void NewFrame()
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{
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ImGuiIOPtr io = ImGui.GetIO();
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SDL.GetWindowSize(Window, out int w, out int h);
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if (SDL.GetWindowFlags(Window).HasFlag(SDL.WindowFlags.Minimized))
|
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{
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w = h = 0;
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}
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SDL.GetWindowSizeInPixels(Window, out int displayW, out int displayH);
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io.DisplaySize = new System.Numerics.Vector2(w, h);
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if (w > 0 && h > 0)
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io.DisplayFramebufferScale = new System.Numerics.Vector2((float)displayW / w, (float)displayH / h);
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if (_mousePendingLeaveFrame > 0 && _mousePendingLeaveFrame >= ImGui.GetFrameCount())
|
||||
{
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_mouseWindowId = 0;
|
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_mousePendingLeaveFrame = 0;
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io.AddMousePosEvent(-float.MaxValue, -float.MaxValue);
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}
|
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UpdateMouseData();
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UpdateMouseCursor();
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||||
}
|
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|
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public unsafe bool ProcessEvent(SDL.Event e)
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||||
{
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ImGuiIOPtr io = ImGui.GetIO();
|
||||
|
||||
switch ((SDL.EventType)e.Type)
|
||||
{
|
||||
case SDL.EventType.MouseMotion:
|
||||
if (GetViewportForWindowId(e.Motion.WindowID) == null)
|
||||
return false;
|
||||
|
||||
io.AddMouseSourceEvent(e.Motion.Which == SDL.TouchMouseID ? ImGuiMouseSource.TouchScreen : ImGuiMouseSource.Mouse);
|
||||
io.AddMousePosEvent(e.Motion.X, e.Motion.Y);
|
||||
return true;
|
||||
case SDL.EventType.MouseWheel:
|
||||
if (GetViewportForWindowId(e.Wheel.WindowID) == null)
|
||||
return false;
|
||||
|
||||
float wheelX = -e.Wheel.X;
|
||||
float wheelY = e.Wheel.Y;
|
||||
|
||||
io.AddMouseSourceEvent(e.Wheel.Which == SDL.TouchMouseID ? ImGuiMouseSource.TouchScreen : ImGuiMouseSource.Mouse);
|
||||
io.AddMouseWheelEvent(wheelX, wheelY);
|
||||
return true;
|
||||
case SDL.EventType.MouseButtonDown:
|
||||
case SDL.EventType.MouseButtonUp:
|
||||
if (GetViewportForWindowId(e.Button.WindowID) == null)
|
||||
return false;
|
||||
|
||||
int mouseButton = e.Button.Button switch
|
||||
{
|
||||
SDL.ButtonLeft => 0,
|
||||
SDL.ButtonRight => 1,
|
||||
SDL.ButtonMiddle => 2,
|
||||
SDL.ButtonX1 => 3,
|
||||
SDL.ButtonX2 => 4,
|
||||
_ => -1
|
||||
};
|
||||
if (mouseButton == -1) break;
|
||||
|
||||
io.AddMouseSourceEvent(e.Button.Which == SDL.TouchMouseID ? ImGuiMouseSource.TouchScreen : ImGuiMouseSource.Mouse);
|
||||
io.AddMouseButtonEvent(mouseButton, (SDL.EventType)e.Type == SDL.EventType.MouseButtonDown);
|
||||
_mouseButtonsDown = (SDL.EventType)e.Type == SDL.EventType.MouseButtonDown ? _mouseButtonsDown | 1 << mouseButton : _mouseButtonsDown & ~(1 << mouseButton);
|
||||
return true;
|
||||
case SDL.EventType.TextInput:
|
||||
if (GetViewportForWindowId(e.Text.WindowID) == null)
|
||||
return false;
|
||||
|
||||
ImGuiNative.ImGuiIO_AddInputCharactersUTF8(io, (byte*)e.Text.Text);
|
||||
|
||||
return true;
|
||||
case SDL.EventType.KeyDown:
|
||||
case SDL.EventType.KeyUp:
|
||||
if (GetViewportForWindowId(e.Key.WindowID) == null)
|
||||
return false;
|
||||
|
||||
UpdateKeyModifiers(e.Key.Mod);
|
||||
ImGuiKey imguiKey = KeyEventToImGui(e.Key.Key, e.Key.Scancode);
|
||||
bool pressed = (SDL.EventType)e.Type == SDL.EventType.KeyDown;
|
||||
|
||||
io.AddKeyEvent(imguiKey, pressed);
|
||||
io.SetKeyEventNativeData(imguiKey, (int)e.Key.Key, (int)e.Key.Scancode, (int)e.Key.Scancode);
|
||||
|
||||
return true;
|
||||
case SDL.EventType.WindowMouseEnter:
|
||||
if (GetViewportForWindowId(e.Window.WindowID) == null)
|
||||
return false;
|
||||
|
||||
_mouseWindowId = e.Window.WindowID;
|
||||
_mousePendingLeaveFrame = 0;
|
||||
return true;
|
||||
case SDL.EventType.WindowMouseLeave:
|
||||
if (GetViewportForWindowId(e.Window.WindowID) == null)
|
||||
return false;
|
||||
|
||||
_mousePendingLeaveFrame = ImGui.GetFrameCount() + 1;
|
||||
return true;
|
||||
case SDL.EventType.WindowFocusGained:
|
||||
case SDL.EventType.WindowFocusLost:
|
||||
if (GetViewportForWindowId(e.Window.WindowID) == null)
|
||||
return false;
|
||||
|
||||
io.AddFocusEvent((SDL.EventType)e.Type == SDL.EventType.WindowFocusGained);
|
||||
return true;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
private void UpdateMouseData()
|
||||
{
|
||||
ImGuiIOPtr io = ImGui.GetIO();
|
||||
|
||||
IntPtr focusedWindow = SDL.GetKeyboardFocus();
|
||||
bool isAppFocused = focusedWindow == Window;
|
||||
if (isAppFocused)
|
||||
{
|
||||
if (io.WantSetMousePos)
|
||||
{
|
||||
SDL.WarpMouseInWindow(Window, (int)io.MousePos.X, (int)io.MousePos.Y);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void UpdateMouseCursor()
|
||||
{
|
||||
ImGuiIOPtr io = ImGui.GetIO();
|
||||
if ((io.ConfigFlags & ImGuiConfigFlags.NoMouseCursorChange) != 0)
|
||||
return;
|
||||
|
||||
ImGuiMouseCursor imguiCursor = ImGui.GetMouseCursor();
|
||||
|
||||
if (io.MouseDrawCursor || imguiCursor == ImGuiMouseCursor.None)
|
||||
{
|
||||
SDL.HideCursor();
|
||||
}
|
||||
else
|
||||
{
|
||||
IntPtr expectedCursor = _mouseCursors[(int)imguiCursor];
|
||||
if (_mouseLastCursor != expectedCursor)
|
||||
{
|
||||
SDL.SetCursor(expectedCursor);
|
||||
_mouseLastCursor = expectedCursor;
|
||||
}
|
||||
|
||||
SDL.ShowCursor();
|
||||
}
|
||||
}
|
||||
|
||||
private ImGuiKey KeyEventToImGui(SDL.Keycode keycoade, SDL.Scancode scancode)
|
||||
{
|
||||
switch (scancode)
|
||||
{
|
||||
case SDL.Scancode.Kp0: return ImGuiKey.Keypad0;
|
||||
case SDL.Scancode.Kp1: return ImGuiKey.Keypad1;
|
||||
case SDL.Scancode.Kp2: return ImGuiKey.Keypad2;
|
||||
case SDL.Scancode.Kp3: return ImGuiKey.Keypad3;
|
||||
case SDL.Scancode.Kp4: return ImGuiKey.Keypad4;
|
||||
case SDL.Scancode.Kp5: return ImGuiKey.Keypad5;
|
||||
case SDL.Scancode.Kp6: return ImGuiKey.Keypad6;
|
||||
case SDL.Scancode.Kp7: return ImGuiKey.Keypad7;
|
||||
case SDL.Scancode.Kp8: return ImGuiKey.Keypad8;
|
||||
case SDL.Scancode.Kp9: return ImGuiKey.Keypad9;
|
||||
case SDL.Scancode.KpPeriod: return ImGuiKey.KeypadDecimal;
|
||||
case SDL.Scancode.KpDivide: return ImGuiKey.KeypadDivide;
|
||||
case SDL.Scancode.KpMultiply: return ImGuiKey.KeypadMultiply;
|
||||
case SDL.Scancode.KpMinus: return ImGuiKey.KeypadSubtract;
|
||||
case SDL.Scancode.KpPlus: return ImGuiKey.KeypadAdd;
|
||||
case SDL.Scancode.KpEnter: return ImGuiKey.KeypadEnter;
|
||||
case SDL.Scancode.KpEquals: return ImGuiKey.KeypadEqual;
|
||||
default: break;
|
||||
}
|
||||
|
||||
switch (keycoade)
|
||||
{
|
||||
case SDL.Keycode.Tab: return ImGuiKey.Tab;
|
||||
case SDL.Keycode.Left: return ImGuiKey.LeftArrow;
|
||||
case SDL.Keycode.Right: return ImGuiKey.RightArrow;
|
||||
case SDL.Keycode.Up: return ImGuiKey.UpArrow;
|
||||
case SDL.Keycode.Down: return ImGuiKey.DownArrow;
|
||||
case SDL.Keycode.Pageup: return ImGuiKey.PageUp;
|
||||
case SDL.Keycode.Pagedown: return ImGuiKey.PageDown;
|
||||
case SDL.Keycode.Home: return ImGuiKey.Home;
|
||||
case SDL.Keycode.End: return ImGuiKey.End;
|
||||
case SDL.Keycode.Insert: return ImGuiKey.Insert;
|
||||
case SDL.Keycode.Delete: return ImGuiKey.Delete;
|
||||
case SDL.Keycode.Backspace: return ImGuiKey.Backspace;
|
||||
case SDL.Keycode.Space: return ImGuiKey.Space;
|
||||
case SDL.Keycode.Return: return ImGuiKey.Enter;
|
||||
case SDL.Keycode.Escape: return ImGuiKey.Escape;
|
||||
case SDL.Keycode.Apostrophe: return ImGuiKey.Apostrophe;
|
||||
case SDL.Keycode.Comma: return ImGuiKey.Comma;
|
||||
case SDL.Keycode.Minus: return ImGuiKey.Minus;
|
||||
case SDL.Keycode.Period: return ImGuiKey.Period;
|
||||
case SDL.Keycode.Slash: return ImGuiKey.Slash;
|
||||
case SDL.Keycode.Semicolon: return ImGuiKey.Semicolon;
|
||||
case SDL.Keycode.Equals: return ImGuiKey.Equal;
|
||||
case SDL.Keycode.LeftBracket: return ImGuiKey.LeftBracket;
|
||||
case SDL.Keycode.Backslash: return ImGuiKey.Backslash;
|
||||
case SDL.Keycode.RightBracket: return ImGuiKey.RightBracket;
|
||||
case SDL.Keycode.Grave: return ImGuiKey.GraveAccent;
|
||||
case SDL.Keycode.Capslock: return ImGuiKey.CapsLock;
|
||||
case SDL.Keycode.ScrollLock: return ImGuiKey.ScrollLock;
|
||||
case SDL.Keycode.NumLockClear: return ImGuiKey.NumLock;
|
||||
case SDL.Keycode.PrintScreen: return ImGuiKey.PrintScreen;
|
||||
case SDL.Keycode.Pause: return ImGuiKey.Pause;
|
||||
case SDL.Keycode.LCtrl: return ImGuiKey.LeftCtrl;
|
||||
case SDL.Keycode.LShift: return ImGuiKey.LeftShift;
|
||||
case SDL.Keycode.LAlt: return ImGuiKey.LeftAlt;
|
||||
case SDL.Keycode.LGui: return ImGuiKey.LeftSuper;
|
||||
case SDL.Keycode.RCtrl: return ImGuiKey.RightCtrl;
|
||||
case SDL.Keycode.RShift: return ImGuiKey.RightShift;
|
||||
case SDL.Keycode.RAlt: return ImGuiKey.RightAlt;
|
||||
case SDL.Keycode.RGUI: return ImGuiKey.RightSuper;
|
||||
case SDL.Keycode.Application: return ImGuiKey.Menu;
|
||||
case SDL.Keycode.Alpha0: return ImGuiKey._0;
|
||||
case SDL.Keycode.Alpha1: return ImGuiKey._1;
|
||||
case SDL.Keycode.Alpha2: return ImGuiKey._2;
|
||||
case SDL.Keycode.Alpha3: return ImGuiKey._3;
|
||||
case SDL.Keycode.Alpha4: return ImGuiKey._4;
|
||||
case SDL.Keycode.Alpha5: return ImGuiKey._5;
|
||||
case SDL.Keycode.Alpha6: return ImGuiKey._6;
|
||||
case SDL.Keycode.Alpha7: return ImGuiKey._7;
|
||||
case SDL.Keycode.Alpha8: return ImGuiKey._8;
|
||||
case SDL.Keycode.Alpha9: return ImGuiKey._9;
|
||||
case SDL.Keycode.A: return ImGuiKey.A;
|
||||
case SDL.Keycode.B: return ImGuiKey.B;
|
||||
case SDL.Keycode.C: return ImGuiKey.C;
|
||||
case SDL.Keycode.D: return ImGuiKey.D;
|
||||
case SDL.Keycode.E: return ImGuiKey.E;
|
||||
case SDL.Keycode.F: return ImGuiKey.F;
|
||||
case SDL.Keycode.G: return ImGuiKey.G;
|
||||
case SDL.Keycode.H: return ImGuiKey.H;
|
||||
case SDL.Keycode.I: return ImGuiKey.I;
|
||||
case SDL.Keycode.J: return ImGuiKey.J;
|
||||
case SDL.Keycode.K: return ImGuiKey.K;
|
||||
case SDL.Keycode.L: return ImGuiKey.L;
|
||||
case SDL.Keycode.M: return ImGuiKey.M;
|
||||
case SDL.Keycode.N: return ImGuiKey.N;
|
||||
case SDL.Keycode.O: return ImGuiKey.O;
|
||||
case SDL.Keycode.P: return ImGuiKey.P;
|
||||
case SDL.Keycode.Q: return ImGuiKey.Q;
|
||||
case SDL.Keycode.R: return ImGuiKey.R;
|
||||
case SDL.Keycode.S: return ImGuiKey.S;
|
||||
case SDL.Keycode.T: return ImGuiKey.T;
|
||||
case SDL.Keycode.U: return ImGuiKey.U;
|
||||
case SDL.Keycode.V: return ImGuiKey.V;
|
||||
case SDL.Keycode.W: return ImGuiKey.W;
|
||||
case SDL.Keycode.X: return ImGuiKey.X;
|
||||
case SDL.Keycode.Y: return ImGuiKey.Y;
|
||||
case SDL.Keycode.Z: return ImGuiKey.Z;
|
||||
case SDL.Keycode.F1: return ImGuiKey.F1;
|
||||
case SDL.Keycode.F2: return ImGuiKey.F2;
|
||||
case SDL.Keycode.F3: return ImGuiKey.F3;
|
||||
case SDL.Keycode.F4: return ImGuiKey.F4;
|
||||
case SDL.Keycode.F5: return ImGuiKey.F5;
|
||||
case SDL.Keycode.F6: return ImGuiKey.F6;
|
||||
case SDL.Keycode.F7: return ImGuiKey.F7;
|
||||
case SDL.Keycode.F8: return ImGuiKey.F8;
|
||||
case SDL.Keycode.F9: return ImGuiKey.F9;
|
||||
case SDL.Keycode.F10: return ImGuiKey.F10;
|
||||
case SDL.Keycode.F11: return ImGuiKey.F11;
|
||||
case SDL.Keycode.F12: return ImGuiKey.F12;
|
||||
case SDL.Keycode.F13: return ImGuiKey.F13;
|
||||
case SDL.Keycode.F14: return ImGuiKey.F14;
|
||||
case SDL.Keycode.F15: return ImGuiKey.F15;
|
||||
case SDL.Keycode.F16: return ImGuiKey.F16;
|
||||
case SDL.Keycode.F17: return ImGuiKey.F17;
|
||||
case SDL.Keycode.F18: return ImGuiKey.F18;
|
||||
case SDL.Keycode.F19: return ImGuiKey.F19;
|
||||
case SDL.Keycode.F20: return ImGuiKey.F20;
|
||||
case SDL.Keycode.F21: return ImGuiKey.F21;
|
||||
case SDL.Keycode.F22: return ImGuiKey.F22;
|
||||
case SDL.Keycode.F23: return ImGuiKey.F23;
|
||||
case SDL.Keycode.F24: return ImGuiKey.F24;
|
||||
case SDL.Keycode.AcBack: return ImGuiKey.AppBack;
|
||||
case SDL.Keycode.AcForward: return ImGuiKey.AppForward;
|
||||
default: break;
|
||||
}
|
||||
|
||||
return ImGuiKey.None;
|
||||
}
|
||||
|
||||
public static IntPtr Data() => ImGui.GetIO().BackendPlatformUserData;
|
||||
|
||||
// I don't think we actually need these since it works just fine without them
|
||||
//
|
||||
// public static IntPtr GetClipboardText(IntPtr ctx)
|
||||
// {
|
||||
// if (clipboardTextPtr != IntPtr.Zero)
|
||||
// {
|
||||
// Marshal.FreeHGlobal(clipboardTextPtr);
|
||||
// clipboardTextPtr = IntPtr.Zero;
|
||||
// }
|
||||
//
|
||||
// string text = SDL.GetClipboardText();
|
||||
// clipboardTextPtr = Marshal.StringToHGlobalAnsi(text ?? string.Empty);
|
||||
// return clipboardTextPtr;
|
||||
// }
|
||||
//
|
||||
// public static void SetClipboardText(IntPtr ctx, IntPtr text)
|
||||
// {
|
||||
// string managedText = Marshal.PtrToStringAnsi(text);
|
||||
// if (managedText != null)
|
||||
// {
|
||||
// SDL.SetClipboardText(managedText);
|
||||
// }
|
||||
// }
|
||||
|
||||
// !! This is sorta fucked
|
||||
// public static void UpdateKeyModifiers(SDL.Keymod keymods)
|
||||
// {
|
||||
// ImGuiIOPtr io = ImGui.GetIO();
|
||||
// io.KeyCtrl = keymods.HasFlag(SDL.Keymod.LCtrl) || keymods.HasFlag(SDL.Keymod.RCtrl);
|
||||
// io.KeyShift = keymods.HasFlag(SDL.Keymod.LShift) || keymods.HasFlag(SDL.Keymod.RShift);
|
||||
// io.KeyAlt = keymods.HasFlag(SDL.Keymod.LAlt) || keymods.HasFlag(SDL.Keymod.RAlt);
|
||||
// io.KeySuper = keymods.HasFlag(SDL.Keymod.LGUI) || keymods.HasFlag(SDL.Keymod.RGUI);
|
||||
// }
|
||||
|
||||
private static void UpdateKeyModifiers(SDL.Keymod mod)
|
||||
{
|
||||
ImGuiIOPtr io = ImGui.GetIO();
|
||||
io.AddKeyEvent(ImGuiKey.ModCtrl, (mod & SDL.Keymod.Ctrl) != 0);
|
||||
io.AddKeyEvent(ImGuiKey.ModShift, (mod & SDL.Keymod.Shift) != 0);
|
||||
io.AddKeyEvent(ImGuiKey.ModAlt, (mod & SDL.Keymod.Alt) != 0);
|
||||
io.AddKeyEvent(ImGuiKey.ModSuper, (mod & SDL.Keymod.GUI) != 0);
|
||||
}
|
||||
|
||||
public static ImGuiViewportPtr? GetViewportForWindowId(uint id)
|
||||
{
|
||||
ImGuiViewportPtr viewport = ImGui.GetMainViewport();
|
||||
return viewport.ID == id ? ImGui.GetMainViewport() : null;
|
||||
}
|
||||
|
||||
private static void SetupPlatformHandles(ImGuiViewportPtr viewport, IntPtr window)
|
||||
{
|
||||
viewport.PlatformHandle = window;
|
||||
viewport.PlatformHandleRaw = 0;
|
||||
#if _WIN32 && !__WINTR__
|
||||
SDL.GetPointerProperty(SDL.GetWindowProperties(window), SDL.Props.WindowWin32HWNDPointer, 0);
|
||||
#elif __APPLE__ && SDL_VIDEO_DRIVER_COCOA
|
||||
SDL.GetPointerProperty(SDL.GetWindowProperties(window), SDL.Props.WindowCocoaWindow, 0);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,302 @@
|
||||
using System.Numerics;
|
||||
using ImGuiNET;
|
||||
using SDL3;
|
||||
|
||||
namespace ResoniteImGuiLib.SDL3;
|
||||
|
||||
/// <summary>
|
||||
/// Implementation of ImGui for SDL3 Renderer backend.
|
||||
/// https://github.com/ocornut/imgui/blob/master/backends/imgui_impl_sdlrenderer3.h
|
||||
/// </summary>
|
||||
public class ImGuiSDL3Renderer : IDisposable
|
||||
{
|
||||
struct BackupSDLRendererState
|
||||
{
|
||||
public SDL.Rect Viewport;
|
||||
public bool ViewportEnabled;
|
||||
public bool ClipEnabled;
|
||||
public SDL.Rect ClipRect;
|
||||
}
|
||||
|
||||
public SDL.Rect DefaultClipRect = new SDL.Rect();
|
||||
public readonly IntPtr Renderer;
|
||||
private IntPtr _fontTexture = IntPtr.Zero;
|
||||
|
||||
public ImGuiSDL3Renderer(IntPtr renderer)
|
||||
{
|
||||
Renderer = renderer;
|
||||
|
||||
ImGuiIOPtr io = ImGui.GetIO();
|
||||
io.BackendFlags |= ImGuiBackendFlags.RendererHasVtxOffset;
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
ImGuiIOPtr io = ImGui.GetIO();
|
||||
if (_fontTexture != IntPtr.Zero)
|
||||
{
|
||||
io.Fonts.SetTexID(IntPtr.Zero);
|
||||
SDL.DestroyTexture(_fontTexture);
|
||||
_fontTexture = IntPtr.Zero;
|
||||
}
|
||||
}
|
||||
|
||||
public void NewFrame()
|
||||
{
|
||||
if (_fontTexture == IntPtr.Zero)
|
||||
{
|
||||
CreateDeviceObjects();
|
||||
}
|
||||
}
|
||||
|
||||
public void RenderDrawData(ImDrawDataPtr drawData)
|
||||
{
|
||||
// Skip if no data to render
|
||||
unsafe
|
||||
{
|
||||
if (drawData.NativePtr == null || drawData.CmdListsCount == 0)
|
||||
return;
|
||||
}
|
||||
|
||||
// Get display size & framebuffer scale
|
||||
Vector2 renderScale = new Vector2(drawData.FramebufferScale.X, drawData.FramebufferScale.Y);
|
||||
|
||||
int fbWidth = (int)(drawData.DisplaySize.X * renderScale.X);
|
||||
int fbHeight = (int)(drawData.DisplaySize.Y * renderScale.Y);
|
||||
if (fbWidth <= 0 || fbHeight <= 0)
|
||||
return;
|
||||
|
||||
// Backup SDL renderer state
|
||||
BackupSDLRendererState oldState = BackupRendererState();
|
||||
|
||||
// Set up render state
|
||||
SetupRenderState();
|
||||
|
||||
// Set render state in platform IO
|
||||
ImGuiPlatformIOPtr platformIo = ImGui.GetPlatformIO();
|
||||
platformIo.Renderer_RenderState = Renderer;
|
||||
|
||||
Vector2 clipOffset = drawData.DisplayPos;
|
||||
|
||||
// Render command lists
|
||||
for (int n = 0; n < drawData.CmdListsCount; n++)
|
||||
{
|
||||
ImDrawListPtr cmdList = drawData.CmdLists[n];
|
||||
|
||||
for (int cmdIndex = 0; cmdIndex < cmdList.CmdBuffer.Size; cmdIndex++)
|
||||
{
|
||||
ImDrawCmdPtr cmd = cmdList.CmdBuffer[cmdIndex];
|
||||
|
||||
if (cmd.UserCallback != IntPtr.Zero)
|
||||
{
|
||||
// User callback not implemented
|
||||
continue;
|
||||
}
|
||||
|
||||
// Apply clipping rectangle
|
||||
Vector4 clipRect = cmd.ClipRect;
|
||||
SDL.Rect r = CalculateClipRect(clipRect, clipOffset, renderScale, fbWidth, fbHeight);
|
||||
SDL.SetRenderClipRect(Renderer, r);
|
||||
|
||||
// Get texture
|
||||
IntPtr texId = cmd.GetTexID();
|
||||
|
||||
// Convert ImGui vertices to SDL vertices
|
||||
if (!RenderDrawCommand(cmdList, cmd, texId, renderScale))
|
||||
{
|
||||
Console.WriteLine($"Failed to render ImGui draw command: {SDL.GetError()}");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Reset render state
|
||||
platformIo.Renderer_RenderState = IntPtr.Zero;
|
||||
|
||||
// Restore renderer state
|
||||
RestoreRendererState(oldState);
|
||||
}
|
||||
|
||||
private bool RenderDrawCommand(ImDrawListPtr drawList, ImDrawCmdPtr cmd, IntPtr texId, Vector2 scale)
|
||||
{
|
||||
// Get indices and vertices for this command
|
||||
int indexOffset = (int)cmd.IdxOffset;
|
||||
int vertexOffset = (int)cmd.VtxOffset;
|
||||
int elemCount = (int)cmd.ElemCount;
|
||||
|
||||
// Create SDL vertices just for the vertices used by this command
|
||||
// Determine the vertex range by looking at the indices
|
||||
int minVertexIdx = int.MaxValue;
|
||||
int maxVertexIdx = 0;
|
||||
|
||||
for (int i = 0; i < elemCount; i++)
|
||||
{
|
||||
ushort idx = drawList.IdxBuffer[indexOffset + i];
|
||||
minVertexIdx = Math.Min(minVertexIdx, idx);
|
||||
maxVertexIdx = Math.Max(maxVertexIdx, idx);
|
||||
}
|
||||
|
||||
// Adjust for the vertex offset
|
||||
minVertexIdx += vertexOffset;
|
||||
maxVertexIdx += vertexOffset;
|
||||
|
||||
// Calculate the number of vertices we need
|
||||
int numVertices = maxVertexIdx - minVertexIdx + 1;
|
||||
|
||||
// Create arrays for the vertices and indices we're going to use
|
||||
SDL.Vertex[] vertices = new SDL.Vertex[numVertices];
|
||||
int[] indices = new int[elemCount];
|
||||
|
||||
// Convert only the vertices we need
|
||||
for (int i = 0; i < numVertices; i++)
|
||||
{
|
||||
int vertIdx = minVertexIdx + i;
|
||||
ImDrawVertPtr srcVert = drawList.VtxBuffer[vertIdx];
|
||||
|
||||
// Convert from ImGui ABGR color to SDL RGBA color
|
||||
uint col = srcVert.col;
|
||||
byte r = (byte)(col >> 0 & 0xFF); // Extract R from the least significant byte
|
||||
byte g = (byte)(col >> 8 & 0xFF); // Extract G
|
||||
byte b = (byte)(col >> 16 & 0xFF); // Extract B
|
||||
byte a = (byte)(col >> 24 & 0xFF); // Extract A from the most significant byte
|
||||
|
||||
vertices[i] = new SDL.Vertex
|
||||
{
|
||||
Position = new SDL.FPoint { X = srcVert.pos.X, Y = srcVert.pos.Y },
|
||||
Color = new SDL.FColor { R = r / 255f, G = g / 255f, B = b / 255f, A = a / 255f },
|
||||
TexCoord = new SDL.FPoint { X = srcVert.uv.X, Y = srcVert.uv.Y }
|
||||
};
|
||||
}
|
||||
|
||||
// Adjust indices to be relative to our new vertex array
|
||||
for (int i = 0; i < elemCount; i++)
|
||||
{
|
||||
ushort originalIdx = drawList.IdxBuffer[indexOffset + i];
|
||||
indices[i] = (ushort)(originalIdx - (minVertexIdx - vertexOffset));
|
||||
}
|
||||
|
||||
// Call your SDL.RenderGeometry wrapper with the managed arrays
|
||||
return SDL.RenderGeometry(
|
||||
Renderer,
|
||||
texId,
|
||||
vertices,
|
||||
numVertices,
|
||||
indices,
|
||||
elemCount
|
||||
);
|
||||
}
|
||||
|
||||
private void SetupRenderState()
|
||||
{
|
||||
SDL.SetRenderViewport(Renderer, 0);
|
||||
SDL.SetRenderClipRect(Renderer, IntPtr.Zero);
|
||||
SDL.SetRenderDrawBlendMode(Renderer, SDL.BlendMode.Blend);
|
||||
}
|
||||
|
||||
private BackupSDLRendererState BackupRendererState()
|
||||
{
|
||||
BackupSDLRendererState state = new BackupSDLRendererState
|
||||
{
|
||||
ViewportEnabled = SDL.RenderViewportSet(Renderer),
|
||||
ClipEnabled = SDL.RenderClipEnabled(Renderer)
|
||||
};
|
||||
SDL.GetRenderViewport(Renderer, out state.Viewport);
|
||||
SDL.GetRenderClipRect(Renderer, out state.ClipRect);
|
||||
return state;
|
||||
}
|
||||
|
||||
private void RestoreRendererState(BackupSDLRendererState state)
|
||||
{
|
||||
if (state.ViewportEnabled)
|
||||
SDL.SetRenderViewport(Renderer, state.Viewport);
|
||||
else
|
||||
SDL.SetRenderViewport(Renderer, IntPtr.Zero);
|
||||
|
||||
if (state.ClipEnabled)
|
||||
SDL.SetRenderClipRect(Renderer, state.ClipRect);
|
||||
else
|
||||
SDL.SetRenderClipRect(Renderer, IntPtr.Zero);
|
||||
}
|
||||
|
||||
private SDL.Rect CalculateClipRect(Vector4 clipRect, Vector2 clipOffset, Vector2 scale, int fbWidth, int fbHeight)
|
||||
{
|
||||
Vector2 clipMin = new Vector2((clipRect.X - clipOffset.X) * scale.X, (clipRect.Y - clipOffset.Y) * scale.Y);
|
||||
Vector2 clipMax = new Vector2((clipRect.Z - clipOffset.X) * scale.X, (clipRect.W - clipOffset.Y) * scale.Y);
|
||||
|
||||
// Clamp to framebuffer bounds
|
||||
clipMin.X = Math.Max(0, clipMin.X);
|
||||
clipMin.Y = Math.Max(0, clipMin.Y);
|
||||
clipMax.X = Math.Min(fbWidth, clipMax.X);
|
||||
clipMax.Y = Math.Min(fbHeight, clipMax.Y);
|
||||
|
||||
SDL.Rect r = new SDL.Rect
|
||||
{
|
||||
X = (int)clipMin.X,
|
||||
Y = (int)clipMin.Y,
|
||||
W = (int)(clipMax.X - clipMin.X),
|
||||
H = (int)(clipMax.Y - clipMin.Y)
|
||||
};
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
private unsafe bool CreateDeviceObjects()
|
||||
{
|
||||
ImGuiIOPtr io = ImGui.GetIO();
|
||||
|
||||
io.Fonts.AddFontDefault();
|
||||
|
||||
// TODO: Load custom fonts from "Fonts" directory
|
||||
//string fontsPath = Path.Combine(Plugin.AssemblyDirectory, "Fonts");
|
||||
//if (Path.Exists(fontsPath))
|
||||
//{
|
||||
// string[] fonts = Directory.GetFiles(fontsPath, "*.ttf");
|
||||
// if (fonts.Length > 0)
|
||||
// {
|
||||
// foreach (string font in fonts)
|
||||
// {
|
||||
// io.Fonts.AddFontFromFileTTF(font, 20f);
|
||||
// }
|
||||
// }
|
||||
//}
|
||||
|
||||
// Build texture atlas
|
||||
io.Fonts.GetTexDataAsRGBA32(out byte* pixels, out int width, out int height);
|
||||
|
||||
// Create surface from pixel data
|
||||
IntPtr surface = SDL.CreateSurfaceFrom(width, height, SDL.PixelFormat.RGBA8888, (IntPtr)pixels, width * 4);
|
||||
if (surface == IntPtr.Zero)
|
||||
{
|
||||
SDL.LogError(SDL.LogCategory.Application, $"Failed to create font surface: {SDL.GetError()}");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Create texture
|
||||
_fontTexture = SDL.CreateTextureFromSurface(Renderer, surface);
|
||||
if (_fontTexture == IntPtr.Zero)
|
||||
{
|
||||
SDL.LogError(SDL.LogCategory.Application, $"Failed to create font texture: {SDL.GetError()}");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Update texture directly without converting pixel format
|
||||
if (!SDL.UpdateTexture(_fontTexture, IntPtr.Zero, (IntPtr)pixels, width * 4))
|
||||
{
|
||||
SDL.LogError(SDL.LogCategory.Application, $"Failed to update font texture: {SDL.GetError()}");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Ensure proper blending for font rendering
|
||||
SDL.SetTextureBlendMode(_fontTexture, SDL.BlendMode.Blend);
|
||||
|
||||
// Use nearest neighbor filtering for crisp font rendering at small sizes
|
||||
SDL.SetTextureScaleMode(_fontTexture, SDL.ScaleMode.Linear);
|
||||
|
||||
// Store our identifier
|
||||
io.Fonts.SetTexID(_fontTexture);
|
||||
|
||||
SDL.DestroySurface(surface);
|
||||
io.Fonts.ClearTexData();
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,220 @@
|
||||
using CodeGenerationConfig;
|
||||
using Elements.Core;
|
||||
using ImGuiNET;
|
||||
using SDL3;
|
||||
using System.Diagnostics;
|
||||
|
||||
namespace ResoniteImGuiLib.SDL3;
|
||||
|
||||
public class SDL3Window : IDisposable
|
||||
{
|
||||
public readonly IntPtr Window;
|
||||
public readonly IntPtr Device;
|
||||
public readonly ImGuiSDL3 Platform;
|
||||
public readonly ImGuiSDL3Renderer Renderer;
|
||||
internal readonly Queue<SDL.Event> EventQueue = new();
|
||||
public event Action<int4>? WindowRectModified;
|
||||
|
||||
public color? ClearColor = null;
|
||||
|
||||
public Action? RenderCallback { get; set; }
|
||||
|
||||
private readonly Stopwatch _timer = Stopwatch.StartNew();
|
||||
private TimeSpan _time = TimeSpan.Zero;
|
||||
|
||||
private SDL.Rect _screenClipRect;
|
||||
private IntPtr _imGuiContext;
|
||||
|
||||
public SDL3Window(string name, int posX, int posY, int width, int height)
|
||||
{
|
||||
if (!SDL.Init(SDL.InitFlags.Video))
|
||||
throw new Exception($"SDL_Init failed: {SDL.GetError()}");
|
||||
|
||||
// Create window & renderer
|
||||
const SDL.WindowFlags windowFlags = SDL.WindowFlags.Resizable;
|
||||
if (!SDL.CreateWindowAndRenderer(name, width, height, windowFlags, out Window, out Device))
|
||||
throw new Exception($"SDL_CreateWindowAndRenderer failed: {SDL.GetError()}");
|
||||
|
||||
SDL.SetWindowTitle(Window, name);
|
||||
SDL.SetWindowSize(Window, width, height);
|
||||
SDL.SetWindowPosition(Window, posX, posY);
|
||||
|
||||
// Enable VSync
|
||||
SDL.SetRenderVSync(Device, 1);
|
||||
|
||||
// Setup screen clip rect
|
||||
SetupScreenClipRect();
|
||||
|
||||
// Create ImGui context
|
||||
_imGuiContext = ImGui.CreateContext();
|
||||
ImGui.SetCurrentContext(_imGuiContext);
|
||||
|
||||
ImGuiIOPtr io = ImGui.GetIO();
|
||||
io.ConfigFlags |= ImGuiConfigFlags.NavEnableKeyboard | ImGuiConfigFlags.DockingEnable;
|
||||
io.Fonts.Flags |= ImFontAtlasFlags.NoBakedLines;
|
||||
|
||||
// Init platform and renderer
|
||||
Platform = new ImGuiSDL3(Window, Device);
|
||||
Renderer = new ImGuiSDL3Renderer(Device);
|
||||
|
||||
//ImGuiManager.TriggerImGuiRecreated();
|
||||
}
|
||||
|
||||
private bool _disposed;
|
||||
|
||||
~SDL3Window()
|
||||
{
|
||||
Dispose(false);
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
Dispose(true);
|
||||
GC.SuppressFinalize(this);
|
||||
}
|
||||
|
||||
protected virtual void Dispose(bool disposing)
|
||||
{
|
||||
if (_disposed) return;
|
||||
_disposed = true;
|
||||
|
||||
try
|
||||
{
|
||||
if (Window != IntPtr.Zero)
|
||||
{
|
||||
SDL.GetWindowPosition(Window, out int x, out int y);
|
||||
SDL.GetWindowSize(Window, out int w, out int h);
|
||||
WindowRectModified?.Invoke(new(x, y, w, h));
|
||||
}
|
||||
}
|
||||
catch
|
||||
{
|
||||
// Ignore if SDL window is already invalid
|
||||
}
|
||||
|
||||
if (disposing)
|
||||
{
|
||||
Renderer?.Dispose();
|
||||
Platform?.Dispose();
|
||||
|
||||
RenderCallback = null;
|
||||
}
|
||||
|
||||
if (_imGuiContext != IntPtr.Zero)
|
||||
{
|
||||
ImGui.SetCurrentContext(_imGuiContext);
|
||||
ImGui.DestroyContext();
|
||||
_imGuiContext = IntPtr.Zero;
|
||||
}
|
||||
|
||||
if (Device != IntPtr.Zero)
|
||||
{
|
||||
SDL.DestroyRenderer(Device);
|
||||
}
|
||||
|
||||
if (Window != IntPtr.Zero)
|
||||
{
|
||||
SDL.DestroyWindow(Window);
|
||||
}
|
||||
}
|
||||
|
||||
public void RunOneFrame()
|
||||
{
|
||||
if (_disposed) return;
|
||||
|
||||
ImGui.SetCurrentContext(_imGuiContext);
|
||||
|
||||
ImGui.GetIO().DeltaTime = (float) (_timer.Elapsed - _time).TotalSeconds;
|
||||
_time = _timer.Elapsed;
|
||||
|
||||
PollEvents();
|
||||
|
||||
Update();
|
||||
|
||||
var clear = ClearColor ?? Plugin.DefaultBackgroundColor.Value;
|
||||
SDL.SetRenderDrawColor(Device, (byte) (clear.R * 255), (byte) (clear.G * 255), (byte) (clear.B * 255), (byte) (clear.A * 255));
|
||||
|
||||
Render();
|
||||
|
||||
if (_shouldClose || Plugin.CancellationToken.IsCancellationRequested)
|
||||
{
|
||||
Dispose();
|
||||
}
|
||||
ImGui.SetCurrentContext(IntPtr.Zero);
|
||||
}
|
||||
|
||||
private bool _shouldClose;
|
||||
|
||||
private void PollEvents()
|
||||
{
|
||||
if (ImGui.GetIO().WantTextInput && !SDL.TextInputActive(Window))
|
||||
SDL.StartTextInput(Window);
|
||||
else if (!ImGui.GetIO().WantTextInput && SDL.TextInputActive(Window))
|
||||
SDL.StopTextInput(Window);
|
||||
|
||||
while (EventQueue.TryDequeue(out var ev))
|
||||
{
|
||||
Platform.ProcessEvent(ev);
|
||||
|
||||
switch ((SDL.EventType) ev.Type)
|
||||
{
|
||||
// TODO: reimplement these events
|
||||
case SDL.EventType.WindowFocusGained:
|
||||
//ImGuiManager.TriggerImGuiFocusChanged(true);
|
||||
break;
|
||||
case SDL.EventType.WindowFocusLost:
|
||||
//ImGuiManager.TriggerImGuiFocusChanged(false);
|
||||
break;
|
||||
case SDL.EventType.Terminating:
|
||||
case SDL.EventType.WindowCloseRequested:
|
||||
case SDL.EventType.Quit:
|
||||
_shouldClose = true;
|
||||
break;
|
||||
case SDL.EventType.WindowResized:
|
||||
SetupScreenClipRect();
|
||||
SDL.GetWindowPosition(Window, out var x, out var y);
|
||||
WindowRectModified?.Invoke(new(x, y, ev.Window.Data1, ev.Window.Data2));
|
||||
break;
|
||||
case SDL.EventType.WindowMoved:
|
||||
SDL.GetWindowSize(Window, out var h, out var w);
|
||||
WindowRectModified?.Invoke(new(ev.Window.Data1, ev.Window.Data2, w, h));
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void Update()
|
||||
{
|
||||
Platform.NewFrame();
|
||||
Renderer.NewFrame();
|
||||
ImGui.NewFrame();
|
||||
RenderCallback?.Invoke();
|
||||
ImGui.EndFrame();
|
||||
}
|
||||
|
||||
private void Render()
|
||||
{
|
||||
SDL.RenderClear(Device);
|
||||
|
||||
// Reset the clip rect to the screen size
|
||||
SDL.SetRenderClipRect(Device, _screenClipRect);
|
||||
|
||||
// Render ImGui
|
||||
ImGui.Render();
|
||||
Renderer.RenderDrawData(ImGui.GetDrawData());
|
||||
|
||||
SDL.RenderPresent(Device);
|
||||
}
|
||||
|
||||
private void SetupScreenClipRect()
|
||||
{
|
||||
SDL.GetWindowSize(Window, out int w, out int h);
|
||||
_screenClipRect = new SDL.Rect
|
||||
{
|
||||
X = 0,
|
||||
Y = 0,
|
||||
W = w,
|
||||
H = h
|
||||
};
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user