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Improve fade-in, use delta time, draw fade-out texture on fake window to preserve focus order

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goaaats 2025-05-10 13:08:24 +02:00
parent b4e62571a6
commit 9afece8679
1 changed files with 42 additions and 12 deletions
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54
Dalamud/Interface/Windowing/Window.cs
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@ -16,6 +16,7 @@ using Dalamud.Interface.Textures.Internal;
using Dalamud.Interface.Textures.TextureWraps;
using Dalamud.Interface.Utility;
using Dalamud.Interface.Utility.Internal;
using Dalamud.Interface.Utility.Raii;
using Dalamud.Interface.Windowing.Persistence;
using Dalamud.Logging.Internal;
@ -32,8 +33,7 @@ namespace Dalamud.Interface.Windowing;
/// </summary>
public abstract class Window
{
private const float FadeInOutTime = 1f;
private const float FadeInOutStep = 0.09f;
private const float FadeInOutTime = 0.08f;
private static readonly ModuleLog Log = new("WindowSystem");
@ -51,6 +51,7 @@ public abstract class Window
private PresetModel.PresetWindow? presetWindow;
private bool presetDirty = false;
private bool pushedFadeInAlpha = false;
private float fadeInTimer = 1f;
private float fadeOutTimer = 0f;
private IDrawListTextureWrap? fadeOutTexture = null;
@ -347,7 +348,7 @@ public abstract class Window
if (this.fadeOutTexture != null)
{
this.fadeOutTimer -= FadeInOutStep;
this.fadeOutTimer -= ImGui.GetIO().DeltaTime;
if (this.fadeOutTimer <= 0f)
{
this.fadeOutTexture.Dispose();
@ -355,14 +356,7 @@ public abstract class Window
}
else
{
var dl = ImGui.GetBackgroundDrawList();
dl.AddImage(
this.fadeOutTexture.ImGuiHandle,
this.fadeOutOrigin,
this.fadeOutOrigin + this.fadeOutSize,
Vector2.Zero,
Vector2.One,
ImGui.ColorConvertFloat4ToU32(new(1f, 1f, 1f, Math.Clamp(this.fadeOutTimer / FadeInOutTime, 0f, 1f))));
this.DrawFakeFadeOutWindow();
}
}
@ -370,7 +364,7 @@ public abstract class Window
return;
}
this.fadeInTimer += FadeInOutStep;
this.fadeInTimer += ImGui.GetIO().DeltaTime;
if (this.fadeInTimer > FadeInOutTime)
this.fadeInTimer = FadeInOutTime;
@ -592,6 +586,12 @@ public abstract class Window
ImGui.End();
if (this.pushedFadeInAlpha)
{
ImGui.PopStyleVar();
this.pushedFadeInAlpha = false;
}
if (!this.internalIsOpen && this.fadeOutTexture == null && !isReducedMotion)
{
this.fadeOutTexture = Service<TextureManager>.Get().CreateDrawListTexture(
@ -653,6 +653,8 @@ public abstract class Window
maxBgAlpha = maxBgAlpha.HasValue ?
Math.Clamp(maxBgAlpha.Value * fadeInAlpha, 0f, 1f) :
(*ImGui.GetStyleColorVec4(ImGuiCol.WindowBg)).W * fadeInAlpha;
ImGui.PushStyleVar(ImGuiStyleVar.Alpha, ImGui.GetStyle().Alpha * fadeInAlpha);
this.pushedFadeInAlpha = true;
}
if (maxBgAlpha.HasValue)
@ -805,6 +807,34 @@ public abstract class Window
ImGui.PopClipRect();
}
private void DrawFakeFadeOutWindow()
{
// Draw a fake window to fade out, so that the fade out texture stays in the right place in the
// focus order
ImGui.SetNextWindowPos(this.fadeOutOrigin);
ImGui.SetNextWindowSize(this.fadeOutSize);
using var style = ImRaii.PushStyle(ImGuiStyleVar.WindowPadding, Vector2.Zero);
style.Push(ImGuiStyleVar.WindowBorderSize, 0);
style.Push(ImGuiStyleVar.FrameBorderSize, 0);
var fakeFlags = ImGuiWindowFlags.NoInputs | ImGuiWindowFlags.NoNav | ImGuiWindowFlags.NoCollapse | ImGuiWindowFlags.NoScrollWithMouse | ImGuiWindowFlags.NoMouseInputs |
ImGuiWindowFlags.NoDecoration | ImGuiWindowFlags.NoBackground;
if (ImGui.Begin(this.WindowName, fakeFlags))
{
var dl = ImGui.GetWindowDrawList();
dl.AddImage(
this.fadeOutTexture!.ImGuiHandle,
this.fadeOutOrigin,
this.fadeOutOrigin + this.fadeOutSize,
Vector2.Zero,
Vector2.One,
ImGui.ColorConvertFloat4ToU32(new(1f, 1f, 1f, Math.Clamp(this.fadeOutTimer / FadeInOutTime, 0f, 1f))));
}
ImGui.End();
}
/// <summary>
/// Structure detailing the size constraints of a window.
/// </summary>