Initial import of IC.Rebuild

2026-10-13 22:55:05 +08:00
commit 16d61f7a5e
87 changed files with 17054 additions and 0 deletions
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+using System.Buffers.Binary;
+
+namespace ICRebuild.Core;
+
+public enum DashFilterMode { AllLocal, BlockListed, AllowListed }
+
+public static class DashPolicy
+{
+    // Audited native consumer reads word [data], then flags at [data+2] and [data+3].
+    public static ushort Timeline(ReadOnlySpan<byte> data) => data.Length>=4 ? BinaryPrimitives.ReadUInt16LittleEndian(data) : (ushort)0;
+    public static bool Block(bool ready,nint owner,nint local,ushort timeline,DashFilterMode mode,IReadOnlySet<uint> list)
+    {
+        if(!ready || owner==0 || owner!=local || timeline==0) return false;
+        return mode switch
+        {
+            DashFilterMode.AllLocal=>true,
+            DashFilterMode.BlockListed=>list.Contains(timeline),
+            DashFilterMode.AllowListed=>list.Count>0 && !list.Contains(timeline),
+            _=>false
+        };
+    }
+}
+
+public sealed record DashObservation(ushort Timeline,byte Flags2,byte Flags3,byte MoveType,bool Blocked);
+
+public sealed record MovementSkill(uint ActionId,string Name,uint Timeline,bool PlayerAction,bool AffectsPosition,bool PvP);
+public static class MovementSkillCatalog
+{
+    public static MovementSkill[] Select(IEnumerable<MovementSkill> skills) => skills
+        .Where(s=>s.PlayerAction && s.AffectsPosition).DistinctBy(s=>s.ActionId).OrderBy(s=>s.ActionId).ToArray();
+    public static bool Mappable(MovementSkill skill) => skill.Timeline is >0 and <=ushort.MaxValue;
+}