Files
tbd-station-14/Content.Server/Fluids/PuddleSystem.cs
2021-09-28 13:35:29 +02:00

62 lines
2.3 KiB
C#

using Content.Server.Fluids.Components;
using Content.Shared.Examine;
using Content.Shared.Slippery;
using JetBrains.Annotations;
using Robust.Shared.GameObjects;
using Robust.Shared.IoC;
using Robust.Shared.Localization;
using Robust.Shared.Map;
namespace Content.Server.Fluids
{
[UsedImplicitly]
internal sealed class PuddleSystem : EntitySystem
{
[Dependency] private readonly IMapManager _mapManager = default!;
public override void Initialize()
{
base.Initialize();
_mapManager.TileChanged += HandleTileChanged;
SubscribeLocalEvent<PuddleComponent, ExaminedEvent>(HandlePuddleExamined);
}
public override void Shutdown()
{
base.Shutdown();
_mapManager.TileChanged -= HandleTileChanged;
}
private void HandlePuddleExamined(EntityUid uid, PuddleComponent component, ExaminedEvent args)
{
if (EntityManager.TryGetComponent<SlipperyComponent>(uid, out var slippery) && slippery.Slippery)
{
args.PushText(Loc.GetString("puddle-component-examine-is-slipper-text"));
}
}
//TODO: Replace all this with an Unanchored event that deletes the puddle
private void HandleTileChanged(object? sender, TileChangedEventArgs eventArgs)
{
// If this gets hammered you could probably queue up all the tile changes every tick but I doubt that would ever happen.
foreach (var puddle in EntityManager.EntityQuery<PuddleComponent>(true))
{
// If the tile becomes space then delete it (potentially change by design)
var puddleTransform = puddle.Owner.Transform;
if(!puddleTransform.Anchored)
continue;
var grid = _mapManager.GetGrid(puddleTransform.GridID);
if (eventArgs.NewTile.GridIndex == puddle.Owner.Transform.GridID &&
grid.TileIndicesFor(puddleTransform.Coordinates) == eventArgs.NewTile.GridIndices &&
eventArgs.NewTile.Tile.IsEmpty)
{
puddle.Owner.QueueDelete();
break; // Currently it's one puddle per tile, if that changes remove this
}
}
}
}
}