0527325b25
Port retail text-surface clipping so the 15px component count field remains visible under the 16px DAT font. Cover SetStackSize decrements and final component removal while preserving desired restock values. Co-authored-by: OpenAI Codex <codex@openai.com>
51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
namespace AcDream.App.Rendering;
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/// <summary>
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/// Clips one screen-space textured quad and remaps its UV rectangle to the surviving
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/// pixels. Shared by retained DAT sprites and fallback bitmap-font glyphs so every UI
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/// draw path applies the same edge semantics.
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/// </summary>
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internal static class QuadClipper
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{
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public static bool TryClip(
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float clipLeft,
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float clipTop,
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float clipRight,
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float clipBottom,
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ref float x,
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ref float y,
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ref float w,
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ref float h,
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ref float u0,
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ref float v0,
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ref float u1,
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ref float v1)
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{
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if (clipRight <= clipLeft || clipBottom <= clipTop || w <= 0f || h <= 0f)
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return false;
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float left = MathF.Max(x, clipLeft);
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float top = MathF.Max(y, clipTop);
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float right = MathF.Min(x + w, clipRight);
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float bottom = MathF.Min(y + h, clipBottom);
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if (right <= left || bottom <= top)
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return false;
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float oldX = x, oldY = y, oldW = w, oldH = h;
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float oldU0 = u0, oldV0 = v0, oldU1 = u1, oldV1 = v1;
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float tx0 = (left - oldX) / oldW;
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float tx1 = (right - oldX) / oldW;
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float ty0 = (top - oldY) / oldH;
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float ty1 = (bottom - oldY) / oldH;
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x = left;
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y = top;
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w = right - left;
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h = bottom - top;
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u0 = oldU0 + (oldU1 - oldU0) * tx0;
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u1 = oldU0 + (oldU1 - oldU0) * tx1;
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v0 = oldV0 + (oldV1 - oldV0) * ty0;
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v1 = oldV0 + (oldV1 - oldV0) * ty1;
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return true;
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}
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}
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