132 lines
4.7 KiB
C#
132 lines
4.7 KiB
C#
using System.Collections.Generic;
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using System.Reflection;
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using Content.Shared.GameObjects;
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using Robust.Server.Interfaces.Player;
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using Robust.Shared.GameObjects.Systems;
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using Robust.Shared.Interfaces.GameObjects;
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using Robust.Shared.IoC;
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using static Content.Shared.GameObjects.EntitySystemMessages.VerbSystemMessages;
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namespace Content.Server.GameObjects.EntitySystems
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{
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public class VerbSystem : EntitySystem
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{
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#pragma warning disable 649
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[Dependency] private readonly IEntityManager _entityManager;
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[Dependency] private readonly IPlayerManager _playerManager;
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#pragma warning restore 649
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public override void Initialize()
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{
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base.Initialize();
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SubscribeEvent<RequestVerbsMessage>(RequestVerbs);
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SubscribeEvent<UseVerbMessage>(UseVerb);
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IoCManager.InjectDependencies(this);
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}
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private void UseVerb(UseVerbMessage use)
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{
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var channel = use.NetChannel;
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if(channel == null)
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return;
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if (!_entityManager.TryGetEntity(use.EntityUid, out var entity))
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{
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return;
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}
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var session = _playerManager.GetSessionByChannel(channel);
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var userEntity = session.AttachedEntity;
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foreach (var (component, verb) in VerbUtility.GetVerbs(entity))
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{
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if ($"{component.GetType()}:{verb.GetType()}" != use.VerbKey)
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{
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continue;
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}
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if (verb.RequireInteractionRange)
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{
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var distanceSquared = (userEntity.Transform.WorldPosition - entity.Transform.WorldPosition)
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.LengthSquared;
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if (distanceSquared > VerbUtility.InteractionRangeSquared)
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{
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break;
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}
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}
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verb.Activate(userEntity, component);
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break;
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}
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foreach (var globalVerb in VerbUtility.GetGlobalVerbs(Assembly.GetExecutingAssembly()))
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{
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if (globalVerb.GetType().ToString() != use.VerbKey)
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{
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continue;
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}
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if (globalVerb.RequireInteractionRange)
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{
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var distanceSquared = (userEntity.Transform.WorldPosition - entity.Transform.WorldPosition)
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.LengthSquared;
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if (distanceSquared > VerbUtility.InteractionRangeSquared)
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{
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break;
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}
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}
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globalVerb.Activate(userEntity, entity);
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break;
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}
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}
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private void RequestVerbs(RequestVerbsMessage req)
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{
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var channel = req.NetChannel;
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if (channel == null)
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return;
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if (!_entityManager.TryGetEntity(req.EntityUid, out var entity))
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{
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return;
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}
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var session = _playerManager.GetSessionByChannel(channel);
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var userEntity = session.AttachedEntity;
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var data = new List<VerbsResponseMessage.VerbData>();
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//Get verbs, component dependent.
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foreach (var (component, verb) in VerbUtility.GetVerbs(entity))
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{
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if (verb.RequireInteractionRange && !VerbUtility.InVerbUseRange(userEntity, entity))
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continue;
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if (VerbUtility.IsVerbInvisible(verb, userEntity, component, out var vis))
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continue;
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// TODO: These keys being giant strings is inefficient as hell.
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data.Add(new VerbsResponseMessage.VerbData(verb.GetText(userEntity, component),
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$"{component.GetType()}:{verb.GetType()}",
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vis == VerbVisibility.Visible));
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}
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//Get global verbs. Visible for all entities regardless of their components.
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foreach (var globalVerb in VerbUtility.GetGlobalVerbs(Assembly.GetExecutingAssembly()))
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{
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if (globalVerb.RequireInteractionRange && !VerbUtility.InVerbUseRange(userEntity, entity))
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continue;
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if (VerbUtility.IsVerbInvisible(globalVerb, userEntity, entity, out var vis))
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continue;
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data.Add(new VerbsResponseMessage.VerbData(globalVerb.GetText(userEntity, entity),
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globalVerb.GetType().ToString(), vis == VerbVisibility.Visible));
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}
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var response = new VerbsResponseMessage(data, req.EntityUid);
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RaiseNetworkEvent(response, channel);
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}
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}
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}
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