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feat(D.2b): UiDatElement — generic per-drawmode element renderer

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Generic fallback widget for every LayoutDesc element type without a
dedicated behavioral widget (chrome corners/edges, drag bars, resize grips).
Holds an ElementInfo + active-state name; draws that state's media by tiling
(UV-repeat on both S+T axes, matching ImgTex::TileCSI). DrawMode constants
documented per format spec §6 (Undefined=0, Normal=1, Overlay=2,
Alphablend=3 — no Stretch mode). Plan 1: all modes render as the same
alpha-blended tiled quad; per-mode branches deferred to Plan 2.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-06-15 13:29:16 +02:00
parent 55239575e6
commit cc4de3ef77
2 changed files with 104 additions and 0 deletions
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17
tests/AcDream.App.Tests/UI/Layout/UiDatElementTests.cs Normal file
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using AcDream.App.UI.Layout;
namespace AcDream.App.Tests.UI.Layout;
public class UiDatElementTests
{
[Fact]
public void ActiveMedia_PrefersNamedStateOverDirect()
{
var info = new ElementInfo();
info.StateMedia[""] = (0x06000001, 1); // DirectState (DrawMode Normal=1)
info.StateMedia["ShowDetail"] = (0x06000002, 3); // named (Alphablend=3)
var e = new UiDatElement(info, _ => (0, 0, 0)) { ActiveState = "ShowDetail" };
Assert.Equal(0x06000002u, e.ActiveMedia().File);
e.ActiveState = "";
Assert.Equal(0x06000001u, e.ActiveMedia().File);
}
}