ECS guns (#6229)
Co-authored-by: ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>
This commit is contained in:
metalgearsloth
GitHub
228
Content.Server/Weapon/Ranged/GunSystem.Revolvers.cs
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228
Content.Server/Weapon/Ranged/GunSystem.Revolvers.cs
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using System;
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using Content.Server.Weapon.Ranged.Ammunition.Components;
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using Content.Server.Weapon.Ranged.Barrels.Components;
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using Content.Shared.Interaction;
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using Content.Shared.Popups;
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using Content.Shared.Verbs;
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using Content.Shared.Weapons.Ranged.Barrels.Components;
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using Robust.Shared.Audio;
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using Robust.Shared.Containers;
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using Robust.Shared.GameObjects;
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using Robust.Shared.GameStates;
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using Robust.Shared.Localization;
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using Robust.Shared.Map;
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using Robust.Shared.Player;
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namespace Content.Server.Weapon.Ranged;
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public sealed partial class GunSystem
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{
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private void OnRevolverUse(EntityUid uid, RevolverBarrelComponent component, UseInHandEvent args)
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{
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if (args.Handled) return;
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EjectAllSlots(component);
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component.Dirty(EntityManager);
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UpdateRevolverAppearance(component);
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args.Handled = true;
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}
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private void OnRevolverInteractUsing(EntityUid uid, RevolverBarrelComponent component, InteractUsingEvent args)
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{
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if (args.Handled) return;
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if (TryInsertBullet(args.User, args.Used, component))
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args.Handled = true;
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}
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public bool TryInsertBullet(EntityUid user, EntityUid entity, RevolverBarrelComponent component)
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{
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if (!TryComp(entity, out AmmoComponent? ammoComponent))
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{
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return false;
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}
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if (ammoComponent.Caliber != component.Caliber)
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{
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_popup.PopupEntity(Loc.GetString("revolver-barrel-component-try-insert-bullet-wrong-caliber"), component.Owner, Filter.Entities(user));
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return false;
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}
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// Functions like a stack
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// These are inserted in reverse order but then when fired Cycle will go through in order
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// The reason we don't just use an actual stack is because spin can select a random slot to point at
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for (var i = component.AmmoSlots.Length - 1; i >= 0; i--)
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{
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var slot = component.AmmoSlots[i];
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if (slot == default)
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{
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component.CurrentSlot = i;
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component.AmmoSlots[i] = entity;
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component.AmmoContainer.Insert(entity);
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SoundSystem.Play(Filter.Pvs(component.Owner), component.SoundInsert.GetSound(), component.Owner, AudioParams.Default.WithVolume(-2));
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component.Dirty(EntityManager);
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UpdateRevolverAppearance(component);
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return true;
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}
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}
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_popup.PopupEntity(Loc.GetString("revolver-barrel-component-try-insert-bullet-ammo-full"), ammoComponent.Owner, Filter.Entities(user));
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return false;
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}
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/// <summary>
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/// Russian Roulette
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/// </summary>
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public void SpinRevolver(RevolverBarrelComponent component)
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{
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var random = _random.Next(component.AmmoSlots.Length - 1);
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component.CurrentSlot = random;
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SoundSystem.Play(Filter.Pvs(component.Owner), component.SoundSpin.GetSound(), component.Owner, AudioParams.Default.WithVolume(-2));
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component.Dirty(EntityManager);
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}
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public void CycleRevolver(RevolverBarrelComponent component)
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{
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// Move up a slot
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component.CurrentSlot = (component.CurrentSlot + 1) % component.AmmoSlots.Length;
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component.Dirty(EntityManager);
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UpdateRevolverAppearance(component);
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}
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private void EjectAllSlots(RevolverBarrelComponent component)
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{
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for (var i = 0; i < component.AmmoSlots.Length; i++)
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{
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var entity = component.AmmoSlots[i];
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if (entity == null) continue;
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component.AmmoContainer.Remove(entity.Value);
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EjectCasing(entity.Value);
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component.AmmoSlots[i] = null;
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}
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if (component.AmmoContainer.ContainedEntities.Count > 0)
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{
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SoundSystem.Play(Filter.Pvs(component.Owner), component.SoundEject.GetSound(), component.Owner, AudioParams.Default.WithVolume(-1));
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}
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// May as well point back at the end?
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component.CurrentSlot = component.AmmoSlots.Length - 1;
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}
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private void OnRevolverGetState(EntityUid uid, RevolverBarrelComponent component, ref ComponentGetState args)
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{
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var slotsSpent = new bool?[component.Capacity];
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for (var i = 0; i < component.Capacity; i++)
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{
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slotsSpent[i] = null;
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var ammoEntity = component.AmmoSlots[i];
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if (ammoEntity != default && TryComp(ammoEntity, out AmmoComponent? ammo))
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{
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slotsSpent[i] = ammo.Spent;
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}
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}
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//TODO: make yaml var to not sent currentSlot/UI? (for russian roulette)
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args.State = new RevolverBarrelComponentState(
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component.CurrentSlot,
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component.FireRateSelector,
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slotsSpent,
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component.SoundGunshot.GetSound());
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}
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private void OnRevolverMapInit(EntityUid uid, RevolverBarrelComponent component, MapInitEvent args)
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{
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component.UnspawnedCount = component.Capacity;
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var idx = 0;
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component.AmmoContainer = component.Owner.EnsureContainer<Container>($"{component.GetType()}-ammoContainer", out var existing);
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if (existing)
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{
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foreach (var entity in component.AmmoContainer.ContainedEntities)
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{
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component.UnspawnedCount--;
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component.AmmoSlots[idx] = entity;
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idx++;
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}
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}
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// TODO: Revolvers should also defer spawning T B H
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var xform = EntityManager.GetComponent<TransformComponent>(uid);
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for (var i = 0; i < component.UnspawnedCount; i++)
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{
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var entity = EntityManager.SpawnEntity(component.FillPrototype, xform.Coordinates);
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component.AmmoSlots[idx] = entity;
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component.AmmoContainer.Insert(entity);
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idx++;
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}
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UpdateRevolverAppearance(component);
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component.Dirty(EntityManager);
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}
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private void UpdateRevolverAppearance(RevolverBarrelComponent component)
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{
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if (!TryComp(component.Owner, out AppearanceComponent? appearance))
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{
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return;
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}
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// Placeholder, at this stage it's just here for the RPG
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appearance.SetData(MagazineBarrelVisuals.MagLoaded, component.ShotsLeft > 0);
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appearance.SetData(AmmoVisuals.AmmoCount, component.ShotsLeft);
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appearance.SetData(AmmoVisuals.AmmoMax, component.Capacity);
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}
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private void AddSpinVerb(EntityUid uid, RevolverBarrelComponent component, GetAlternativeVerbsEvent args)
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{
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if (args.Hands == null || !args.CanAccess || !args.CanInteract)
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return;
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if (component.Capacity <= 1 || component.ShotsLeft == 0)
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return;
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Verb verb = new()
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{
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Text = Loc.GetString("spin-revolver-verb-get-data-text"),
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IconTexture = "/Textures/Interface/VerbIcons/refresh.svg.192dpi.png",
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Act = () =>
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{
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SpinRevolver(component);
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component.Owner.PopupMessage(args.User, Loc.GetString("spin-revolver-verb-on-activate"));
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}
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};
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args.Verbs.Add(verb);
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}
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public EntityUid? PeekAmmo(RevolverBarrelComponent component)
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{
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return component.AmmoSlots[component.CurrentSlot];
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}
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/// <summary>
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/// Takes a projectile out if possible
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/// IEnumerable just to make supporting shotguns saner
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/// </summary>
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/// <returns></returns>
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/// <exception cref="NotImplementedException"></exception>
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public EntityUid? TakeProjectile(RevolverBarrelComponent component, EntityCoordinates spawnAt)
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{
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var ammo = component.AmmoSlots[component.CurrentSlot];
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EntityUid? bullet = null;
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if (ammo != null)
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{
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var ammoComponent = EntityManager.GetComponent<AmmoComponent>(ammo.Value);
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bullet = TakeBullet(ammoComponent, spawnAt);
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if (ammoComponent.Caseless)
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{
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component.AmmoSlots[component.CurrentSlot] = null;
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component.AmmoContainer.Remove(ammo.Value);
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}
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}
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CycleRevolver(component);
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UpdateRevolverAppearance(component);
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return bullet;
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}
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}
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