107 lines
3.7 KiB
C#
107 lines
3.7 KiB
C#
using Content.Shared.GameTicking;
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using Content.Shared.Trigger.Components.Effects;
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using Content.Shared.Trigger.Components.Triggers;
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using Robust.Shared.Prototypes;
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namespace Content.Shared.Trigger.Systems;
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public sealed partial class TriggerSystem
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{
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private void InitializeSpawn()
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{
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SubscribeLocalEvent<TriggerOnSpawnComponent, MapInitEvent>(OnSpawnInit);
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SubscribeLocalEvent<TriggerOnPlayerSpawnCompleteComponent, PlayerSpawnCompleteEvent>(OnPlayerSpawn);
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SubscribeLocalEvent<SpawnOnTriggerComponent, TriggerEvent>(HandleSpawnOnTrigger);
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SubscribeLocalEvent<SpawnEntityTableOnTriggerComponent, TriggerEvent>(HandleSpawnTableOnTrigger);
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SubscribeLocalEvent<DeleteOnTriggerComponent, TriggerEvent>(HandleDeleteOnTrigger);
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}
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private void OnSpawnInit(Entity<TriggerOnSpawnComponent> ent, ref MapInitEvent args)
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{
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Trigger(ent.Owner, null, ent.Comp.KeyOut);
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}
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private void OnPlayerSpawn(Entity<TriggerOnPlayerSpawnCompleteComponent> ent, ref PlayerSpawnCompleteEvent args)
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{
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Trigger(ent.Owner, null, ent.Comp.KeyOut);
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}
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private void HandleSpawnOnTrigger(Entity<SpawnOnTriggerComponent> ent, ref TriggerEvent args)
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{
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if (args.Key != null && !ent.Comp.KeysIn.Contains(args.Key))
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return;
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var target = ent.Comp.TargetUser ? args.User : ent.Owner;
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if (target == null)
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return;
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var xform = Transform(target.Value);
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SpawnTriggerHelper((target.Value, xform), ent.Comp.Proto, ent.Comp.UseMapCoords, ent.Comp.Predicted);
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}
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private void HandleSpawnTableOnTrigger(Entity<SpawnEntityTableOnTriggerComponent> ent, ref TriggerEvent args)
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{
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if (args.Key != null && !ent.Comp.KeysIn.Contains(args.Key))
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return;
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var target = ent.Comp.TargetUser ? args.User : ent.Owner;
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if (target == null)
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return;
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var xform = Transform(target.Value);
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var spawns = _entityTable.GetSpawns(ent.Comp.Table);
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foreach (var proto in spawns)
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{
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SpawnTriggerHelper((target.Value, xform), proto, ent.Comp.UseMapCoords, ent.Comp.Predicted);
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}
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}
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/// <summary>
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/// Helper function to combine HandleSpawnOnTrigger and HandleSpawnTableOnTrigger.
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/// </summary>
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/// <param name="target">The entity to spawn attached to or at the feet of.</param>
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/// <param name="proto">The entity to spawn.</param>
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/// <param name="useMapCoords">If true, spawn at target's MapCoordinates. If false, spawn attached to target.</param>
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/// <param name="predicted">Whether to use predicted spawning.</param>
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private void SpawnTriggerHelper(Entity<TransformComponent> target, EntProtoId proto, bool useMapCoords, bool predicted)
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{
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if (useMapCoords)
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{
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var mapCoords = _transform.GetMapCoordinates(target);
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if (predicted)
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EntityManager.PredictedSpawn(proto, mapCoords);
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else if (_net.IsServer)
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Spawn(proto, mapCoords);
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}
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else
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{
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var coords = target.Comp.Coordinates;
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if (!coords.IsValid(EntityManager))
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return;
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if (predicted)
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PredictedSpawnAttachedTo(proto, coords);
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else if (_net.IsServer)
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SpawnAttachedTo(proto, coords);
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}
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}
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private void HandleDeleteOnTrigger(Entity<DeleteOnTriggerComponent> ent, ref TriggerEvent args)
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{
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if (args.Key != null && !ent.Comp.KeysIn.Contains(args.Key))
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return;
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var target = ent.Comp.TargetUser ? args.User : ent.Owner;
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if (target == null)
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return;
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PredictedQueueDel(target);
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args.Handled = true;
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}
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}
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