e91f310279
Reduce GameWindow.OnUpdate to one typed orchestration call and remove transitive window callbacks from teardown, liveness, teleport placement, live presentation, auto-entry, and entity packet routing. Preserve the frozen retail object/network order while making the production owner graph explicit and testable.
68 lines
2.1 KiB
C#
68 lines
2.1 KiB
C#
using System.Numerics;
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namespace AcDream.App.World;
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/// <summary>
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/// Session-scoped owner of the landblock origin used to translate retail
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/// full-cell coordinates into the current streamed world coordinate system.
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/// A placeholder can exist before the first authoritative player position;
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/// <see cref="IsKnown"/> distinguishes it from a server-confirmed origin.
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/// </summary>
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/// <remarks>
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/// This owner is update/render-thread confined with the rest of live world
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/// mutation. It intentionally exposes no cross-thread snapshot contract.
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/// </remarks>
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internal sealed class LiveWorldOriginState
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{
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public int CenterX { get; private set; }
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public int CenterY { get; private set; }
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public bool IsKnown { get; private set; }
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public void SetPlaceholder(int centerX, int centerY)
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{
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CenterX = centerX;
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CenterY = centerY;
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IsKnown = false;
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}
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public bool TryInitialize(int centerX, int centerY)
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{
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if (IsKnown)
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return false;
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CenterX = centerX;
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CenterY = centerY;
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IsKnown = true;
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return true;
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}
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public void Recenter(int centerX, int centerY)
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{
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CenterX = centerX;
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CenterY = centerY;
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}
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public (int X, int Y) GetCenter() => (CenterX, CenterY);
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/// <summary>
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/// Converts the streamed render frame back into retail's landblock-local
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/// physics frame at the one placement seed boundary.
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/// </summary>
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public Vector3 CellLocalForSeed(Vector3 worldPosition, uint cellId)
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{
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int landblockX = (int)((cellId >> 24) & 0xFFu);
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int landblockY = (int)((cellId >> 16) & 0xFFu);
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var origin = new Vector3(
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(landblockX - CenterX) * 192f,
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(landblockY - CenterY) * 192f,
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0f);
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return worldPosition - origin;
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}
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/// <summary>
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/// Ends the accepted-origin lifetime while retaining the last coordinates
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/// as the next placeholder. Consumers must gate them on
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/// <see cref="IsKnown"/> until the next accepted player position.
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/// </summary>
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public void Reset() => IsKnown = false;
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}
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