76 lines
2.6 KiB
C#
76 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Jovian.EncounterSystem {
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[CreateAssetMenu(fileName = "EncounterTable", menuName = "Jovian/Encounter System/Encounter Table", order = 1)]
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public class EncounterTable : ScriptableObject {
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public string id;
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public List<Encounter> encounters;
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public IEncounter GetRandomEncounter() {
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if(encounters == null || encounters.Count == 0) {
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return null;
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}
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return encounters[UnityEngine.Random.Range(0, encounters.Count)];
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}
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public IEncounter GetRandomEncounter(Type type) {
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if(encounters == null || encounters.Count == 0) {
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return null;
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}
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var encountersOfType = encounters.FindAll(encounter => encounter.GetType() == type);
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if(encountersOfType.Count > 0) {
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return encountersOfType[UnityEngine.Random.Range(0, encountersOfType.Count)];
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}
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return null;
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}
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/// <summary>Random pick limited by a predicate. Used with <see cref="QuestProgress.IsGated"/> to exclude gated encounters.</summary>
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public IEncounter GetRandomEncounter(Predicate<IEncounter> filter) {
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if(encounters == null || encounters.Count == 0 || filter == null) {
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return GetRandomEncounter();
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}
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var pool = encounters.FindAll(filter);
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if(pool.Count == 0) {
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return null;
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}
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return pool[UnityEngine.Random.Range(0, pool.Count)];
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}
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#if UNITY_EDITOR
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// Unity's inspector "+" duplicates the previous list element, including nested internalId
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// GUIDs. Regenerate any duplicates so every encounter carries a unique internalId.
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private void OnValidate() {
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if(encounters == null) {
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return;
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}
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var seen = new HashSet<string>();
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var changed = false;
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foreach(var encounter in encounters) {
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if(encounter?.EncounterDefinition == null) {
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continue;
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}
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var id = encounter.EncounterDefinition.internalId;
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if(string.IsNullOrEmpty(id) || !seen.Add(id)) {
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encounter.EncounterDefinition.internalId = Guid.NewGuid().ToString();
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seen.Add(encounter.EncounterDefinition.internalId);
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changed = true;
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}
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}
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if(changed) {
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UnityEditor.EditorUtility.SetDirty(this);
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}
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}
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#endif
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}
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}
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