116 lines
3.7 KiB
C#
116 lines
3.7 KiB
C#
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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using System;
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using System.Linq;
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using GameCult.Aetheria.State.Verse;
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using GameCult.Mesh;
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public sealed class AetheriaUnityObservedTargetQuery : IDisposable
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{
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private readonly Func<AetheriaClient> _resolveClient;
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private readonly AetheriaUnityObservedEntityIndex _entityIndex;
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private CultMeshReactiveDocument<AetheriaRuntimeZoneContactsDocument> _zoneContacts;
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public AetheriaUnityObservedTargetQuery(
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Func<AetheriaClient> resolveClient,
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AetheriaUnityObservedEntityIndex entityIndex)
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{
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_resolveClient = resolveClient ?? (() => null);
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_entityIndex = entityIndex ?? throw new ArgumentNullException(nameof(entityIndex));
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}
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public Entity GetObservedTarget(Entity observer)
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{
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if (TryQueryEntityTarget(observer, out var targetEntityIndex) &&
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_entityIndex.TryResolveEntityByDaemonIndex(targetEntityIndex, out var targetEntity))
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{
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return targetEntity;
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}
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return null;
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}
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public float GetObservedInfoGathered(Entity observer, Entity target)
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{
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return TryQueryEntityContact(observer, target, out var contact)
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? (float)contact.InfoGathered
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: 0f;
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}
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public bool IsObservedHostileContact(Entity observer, Entity target)
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{
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return TryQueryEntityContact(observer, target, out var contact) && contact.Hostile;
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}
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public AetheriaRuntimeZoneContactRow[] GetObservedVisibleContacts(
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Entity observer,
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double minimumInfoGathered,
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bool visibleOnly)
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{
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var contacts = ReadZoneContacts();
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if (observer == null || contacts == null)
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return Array.Empty<AetheriaRuntimeZoneContactRow>();
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return (contacts.Contacts ?? Array.Empty<AetheriaRuntimeZoneContactRow>())
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.Where(contact =>
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contact.ObserverEntityIndex == observer.DaemonEntityIndex &&
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contact.InfoGathered > minimumInfoGathered &&
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(!visibleOnly || contact.Visible))
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.ToArray();
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}
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private bool TryQueryEntityContact(
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Entity observer,
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Entity target,
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out AetheriaRuntimeZoneContactRow contact)
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{
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contact = default;
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if (observer == null || target == null)
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return false;
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contact = (ReadZoneContacts()?.Contacts ?? Array.Empty<AetheriaRuntimeZoneContactRow>())
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.FirstOrDefault(row =>
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row.ObserverEntityIndex == observer.DaemonEntityIndex &&
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row.TargetEntityIndex == target.DaemonEntityIndex);
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return contact != null;
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}
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private bool TryQueryEntityTarget(
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Entity observer,
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out int targetEntityIndex)
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{
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targetEntityIndex = -1;
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if (observer == null)
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return false;
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targetEntityIndex = (ReadZoneContacts()?.Targets ?? Array.Empty<AetheriaRuntimeZoneTargetRow>())
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.FirstOrDefault(row => row.EntityIndex == observer.DaemonEntityIndex)
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?.TargetEntityIndex ?? -1;
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return targetEntityIndex >= 0;
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}
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private AetheriaRuntimeZoneContactsDocument ReadZoneContacts()
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{
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if (_zoneContacts != null)
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return _zoneContacts.Current;
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try
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{
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_zoneContacts = _resolveClient()
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?.State.Reactive<AetheriaRuntimeZoneContactsDocument>();
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return _zoneContacts?.Current;
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}
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catch
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{
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return null;
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}
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}
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public void Dispose()
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{
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_zoneContacts?.Dispose();
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_zoneContacts = null;
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}
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}
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