Further Tests & Progress

2026-06-04 11:35:57 -07:00
parent 5c11ff4fad
commit 51401d2c2b
65 changed files with 2784 additions and 45 deletions
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+using Unity.Entities;
+
+namespace ProjectM.Simulation
+{
+    /// <summary>
+    /// SERVER-ONLY expiry tracker paired with a <see cref="StatModifier"/> by <see cref="SourceId"/>. It is NOT a
+    /// [GhostField] and lives in a SEPARATE buffer so the replicated <see cref="StatModifier"/> layout stays
+    /// byte-identical — adding ANY member (even non-ghost) to a [GhostField] buffer element regenerates its
+    /// serializer/stride/hash = an effective ghost re-bake. To grant a TIMED buff, append both a StatModifier and a
+    /// TimedModifier sharing one unique SourceId; <c>TimedModifierExpirySystem</c> removes the matching StatModifier
+    /// when <see cref="UntilTick"/> elapses, and that removal replicates for free via the StatModifier [GhostField]
+    /// buffer (OwnerSendType.All), so StatRecomputeSystem reverts the effective stat on both worlds with no change.
+    /// </summary>
+    public struct TimedModifier : IBufferElementData
+    {
+        /// <summary>Matches the <see cref="StatModifier.SourceId"/> this row governs.</summary>
+        public uint SourceId;
+
+        /// <summary>Server tick at which the paired StatModifier expires (0 = no expiry / inert; schedule via TickUtil.NonZero).</summary>
+        public uint UntilTick;
+    }
+
+    /// <summary>Pure helpers for removing modifiers by provenance (clear-by-type / timed expiry). Deterministic, no RNG/wall-clock.</summary>
+    public static class TimedModifierUtil
+    {
+        /// <summary>Remove every <see cref="StatModifier"/> row whose SourceId matches (RemoveAtSwapBack). Returns the count removed.</summary>
+        public static int RemoveBySourceId(DynamicBuffer<StatModifier> mods, uint sourceId)
+        {
+            int removed = 0;
+            for (int j = mods.Length - 1; j >= 0; j--)
+                if (mods[j].SourceId == sourceId) { mods.RemoveAtSwapBack(j); removed++; }
+            return removed;
+        }
+    }
+}