106 lines
3.5 KiB
C#
106 lines
3.5 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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namespace Ashwild.Building
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{
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/// <summary>
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/// Network-safe registry mapping every BuildableData to a stable numeric id and back. Because
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/// ScriptableObject references cannot be sent over the network, the build registry syncs ids
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/// instead and resolves them through this database. All machines share the same asset (same
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/// build → same order → same ids). Lives in a Resources folder so it loads without wiring.
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/// Mirrors ItemDatabase. Rebuilt by Tools ▸ Ashwild ▸ Rebuild Buildable Database.
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/// </summary>
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[CreateAssetMenu(fileName = "BuildableDatabase", menuName = "Building/Buildable Database")]
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public class BuildableDatabase : ScriptableObject
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{
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#region Serialized Fields
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/// <summary>
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/// All buildables, in a fixed order. The network id of a buildable is its index + 1 (0 = none).
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/// </summary>
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[SerializeField] private BuildableData[] buildables;
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#endregion
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#region State
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private static BuildableDatabase instance;
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private Dictionary<BuildableData, ushort> idByBuildable;
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#endregion
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#region Public API
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/// <summary>
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/// The shared database, lazily loaded from Resources/BuildableDatabase.
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/// </summary>
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public static BuildableDatabase Instance
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{
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get
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{
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if (instance == null)
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{
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instance = Resources.Load<BuildableDatabase>("BuildableDatabase");
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if (instance == null)
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Debug.LogError("[BuildableDatabase] No 'BuildableDatabase' asset found in a Resources folder — run Tools ▸ Ashwild ▸ Rebuild Buildable Database.");
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else
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instance.BuildLookup();
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}
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return instance;
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}
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}
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/// <summary>
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/// All registered buildables, in id order.
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/// </summary>
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public BuildableData[] Buildables => buildables;
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/// <summary>
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/// Returns the network id of a buildable (0 when null or not registered).
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/// </summary>
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public ushort GetId(BuildableData buildable)
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{
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if (buildable == null) return 0;
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if (idByBuildable == null) BuildLookup();
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return idByBuildable.TryGetValue(buildable, out ushort id) ? id : (ushort)0;
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}
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/// <summary>
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/// Resolves a network id back to its BuildableData (null when id is 0 or out of range).
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/// </summary>
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public BuildableData GetBuildable(ushort id)
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{
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if (id == 0 || buildables == null || id > buildables.Length) return null;
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return buildables[id - 1];
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}
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#endregion
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#region Internal Helpers
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/// <summary>
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/// (Re)builds the buildable → id lookup from the serialized array.
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/// </summary>
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private void BuildLookup()
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{
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idByBuildable = new Dictionary<BuildableData, ushort>();
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if (buildables == null) return;
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for (int i = 0; i < buildables.Length; i++)
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if (buildables[i] != null) idByBuildable[buildables[i]] = (ushort)(i + 1);
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}
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#endregion
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#if UNITY_EDITOR
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/// <summary>
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/// Editor-only: replaces the buildable list (used by the rebuild tool).
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/// </summary>
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public void EditorSetBuildables(BuildableData[] all)
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{
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buildables = all;
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}
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#endif
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}
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}
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