15aa3b9aff
Preserve pixel scroll offsets across inventory rebuilds, crop partially visible rows with nested geometry/UV clips, and replace the obsolete 560px resize ceiling with available screen height. Keep retail's row-sized wheel step while allowing continuous scrollbar thumb positions. Co-Authored-By: Codex <codex@openai.com>
36 lines
1.1 KiB
C#
36 lines
1.1 KiB
C#
using AcDream.App.UI;
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using Xunit;
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namespace AcDream.App.Tests.UI;
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public sealed class UiClipRectTests
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{
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[Fact]
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public void TryClipSprite_cropsGeometryAndMatchingUvs()
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{
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var clip = new UiClipRect(0f, 0f, 100f, 100f);
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float x = -8f, y = 88f, w = 32f, h = 32f;
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float u0 = 0f, v0 = 0f, u1 = 1f, v1 = 1f;
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bool visible = UiClipRect.TryClipSprite(
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clip, ref x, ref y, ref w, ref h, ref u0, ref v0, ref u1, ref v1);
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Assert.True(visible);
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Assert.Equal((0f, 88f, 24f, 12f), (x, y, w, h));
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Assert.Equal((0.25f, 0f, 1f, 0.375f), (u0, v0, u1, v1));
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}
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[Fact]
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public void Intersection_andFullyOutsideSprite_areEmpty()
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{
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UiClipRect intersection = UiClipRect.Intersect(
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new UiClipRect(0f, 0f, 20f, 20f),
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new UiClipRect(30f, 30f, 40f, 40f));
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float x = 0f, y = 0f, w = 10f, h = 10f;
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float u0 = 0f, v0 = 0f, u1 = 1f, v1 = 1f;
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Assert.True(intersection.IsEmpty);
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Assert.False(UiClipRect.TryClipSprite(
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intersection, ref x, ref y, ref w, ref h, ref u0, ref v0, ref u1, ref v1));
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}
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}
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