56 lines
1.6 KiB
C#
56 lines
1.6 KiB
C#
using Content.Server.Spawners.Components;
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using Robust.Shared.Random;
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using Robust.Shared.Timing;
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namespace Content.Server.Spawners.EntitySystems;
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public sealed class SpawnerSystem : EntitySystem
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{
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[Dependency] private readonly IGameTiming _timing = default!;
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[Dependency] private readonly IRobustRandom _random = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<TimedSpawnerComponent, MapInitEvent>(OnMapInit);
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}
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public override void Update(float frameTime)
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{
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base.Update(frameTime);
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var curTime = _timing.CurTime;
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var query = EntityQueryEnumerator<TimedSpawnerComponent>();
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while (query.MoveNext(out var uid, out var timedSpawner))
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{
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if (timedSpawner.NextFire > curTime)
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continue;
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OnTimerFired(uid, timedSpawner);
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timedSpawner.NextFire += timedSpawner.IntervalSeconds;
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}
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}
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private void OnMapInit(Entity<TimedSpawnerComponent> ent, ref MapInitEvent args)
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{
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ent.Comp.NextFire = _timing.CurTime + ent.Comp.IntervalSeconds;
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}
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private void OnTimerFired(EntityUid uid, TimedSpawnerComponent component)
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{
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if (!_random.Prob(component.Chance))
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return;
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var number = _random.Next(component.MinimumEntitiesSpawned, component.MaximumEntitiesSpawned);
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var coordinates = Transform(uid).Coordinates;
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for (var i = 0; i < number; i++)
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{
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var entity = _random.Pick(component.Prototypes);
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SpawnAtPosition(entity, coordinates);
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}
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}
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}
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