Luis Gonzalez
40 lines
1.8 KiB
C#
40 lines
1.8 KiB
C#
using Unity.Entities;
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using Unity.Mathematics;
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using Unity.NetCode;
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namespace ProjectM.Simulation
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{
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/// <summary>
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/// Ghost component on the projectile prefab. Drives predicted+server movement and carries the
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/// classification key used to reconcile a client's predicted-spawned projectile with the server's
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/// authoritative ghost. <see cref="Direction"/> is replicated so the server's auto-targeted aim
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/// reconciles the client's raw-aim prediction; <see cref="SpawnId"/> is replicated so it lives in
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/// snapshot history for the predicted-spawn classifier. Speed/Damage/Range are baked on the prefab
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/// (identical both worlds → deterministic) and not replicated; DistanceTravelled is integrated
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/// locally each tick and not replicated.
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/// </summary>
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public struct Projectile : IComponentData
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{
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/// <summary>Planar XZ travel direction (world XZ mapped to float2 x,y), normalized.</summary>
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[GhostField(Quantization = 1000)] public float2 Direction;
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/// <summary>
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/// Classification key: (ownerNetId << 16) | absoluteFireCount. Replicated so it is present
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/// in snapshot history; the client classifier matches this against its predicted spawn.
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/// </summary>
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[GhostField] public uint SpawnId;
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/// <summary>Travel speed in units/second. Baked on the prefab; not replicated.</summary>
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public float Speed;
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/// <summary>Damage applied on hit. Baked on the prefab; not replicated.</summary>
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public float Damage;
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/// <summary>Max travel distance before the server expires the projectile. Baked on the prefab; not replicated.</summary>
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public float Range;
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/// <summary>Integrated distance travelled (predicted on client + authoritative on server). Not replicated.</summary>
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public float DistanceTravelled;
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}
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}
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