6b1ae4fb76
Preserve public shared-cooldown metadata, resolve the authoritative cooldown enchantment with retail expiry semantics, and project the exact ten DAT-authored radial steps through the shared retained item-slot architecture. Co-authored-by: Codex <codex@openai.com>
31 lines
966 B
C#
31 lines
966 B
C#
namespace AcDream.Core.Items;
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/// <summary>
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/// Retail item-cooldown projection shared by inventory, equipment, and shortcut
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/// UIItems.
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///
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/// <para>
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/// Port of <c>UIElement_UIItem::UpdateCooldownDisplay @ 0x004E1E20</c>.
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/// The remaining fraction selects one of ten authored radial overlays.
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/// </para>
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/// </summary>
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public static class ItemCooldownDisplay
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{
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/// <summary>
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/// Retail's exact ten-step display formula:
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/// <c>trunc((remaining / itemDuration) * 10 + 1)</c>. Results 1..9 select
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/// the 10%..90% art, while 10 or above selects the 100% art.
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/// </summary>
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public static int GetOverlayStep(double itemDuration, double remaining)
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{
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if (!(itemDuration > 0d) || !(remaining > 0d))
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return 0;
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double step = Math.Truncate((remaining / itemDuration) * 10d + 1d);
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if (!(step >= 1d))
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return 0;
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if (step >= 10d)
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return 10;
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return (int)step;
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}
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}
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