69 lines
2.4 KiB
C#
69 lines
2.4 KiB
C#
using Content.Server.Fluids.EntitySystems;
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using Content.Server.Spreader;
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using Content.Shared.Chemistry.Components;
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using Content.Shared.Coordinates.Helpers;
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using Content.Shared.Maps;
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using Content.Shared.Trigger;
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using Content.Shared.Trigger.Components.Effects;
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using Robust.Server.GameObjects;
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using Robust.Shared.Map;
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namespace Content.Server.Trigger.Systems;
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/// <summary>
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/// Handles creating smoke when <see cref="SmokeOnTriggerComponent"/> is triggered.
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/// </summary>
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public sealed class SmokeOnTriggerSystem : EntitySystem
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{
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[Dependency] private readonly IMapManager _mapMan = default!;
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[Dependency] private readonly MapSystem _map = default!;
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[Dependency] private readonly SmokeSystem _smoke = default!;
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[Dependency] private readonly TransformSystem _transform = default!;
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[Dependency] private readonly SpreaderSystem _spreader = default!;
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[Dependency] private readonly TurfSystem _turf = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<SmokeOnTriggerComponent, TriggerEvent>(OnTrigger);
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}
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private void OnTrigger(Entity<SmokeOnTriggerComponent> 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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// TODO: move all of this into an API function in SmokeSystem
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var xform = Transform(target.Value);
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var mapCoords = _transform.GetMapCoordinates(target.Value, xform);
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if (!_mapMan.TryFindGridAt(mapCoords, out var gridUid, out var gridComp) ||
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!_map.TryGetTileRef(gridUid, gridComp, xform.Coordinates, out var tileRef) ||
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tileRef.Tile.IsEmpty)
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{
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return;
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}
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if (_spreader.RequiresFloorToSpread(ent.Comp.SmokePrototype.ToString()) && _turf.IsSpace(tileRef))
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return;
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var coords = _map.MapToGrid(gridUid, mapCoords);
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var smoke = Spawn(ent.Comp.SmokePrototype, coords.SnapToGrid());
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if (!TryComp<SmokeComponent>(smoke, out var smokeComp))
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{
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Log.Error($"Smoke prototype {ent.Comp.SmokePrototype} was missing SmokeComponent");
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Del(smoke);
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return;
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}
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_smoke.StartSmoke(smoke, ent.Comp.Solution, (float)ent.Comp.Duration.TotalSeconds, ent.Comp.SpreadAmount, smokeComp);
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args.Handled = true;
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}
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}
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