Re-organize all projects (#4166)

Content.Server/Flash/Components/FlashComponent.cs

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+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.Flash.Components
+{
+    [RegisterComponent]
+    public class FlashComponent : Component
+    {
+        public override string Name => "Flash";
+
+        [DataField("duration")]
+        [ViewVariables(VVAccess.ReadWrite)]
+        public int FlashDuration { get; set; } = 5000;
+
+        [DataField("uses")]
+        [ViewVariables(VVAccess.ReadWrite)]
+        public int Uses { get; set; } = 5;
+
+        [DataField("range")]
+        [ViewVariables(VVAccess.ReadWrite)]
+        public float Range { get; set; } = 7f;
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("aoeFlashDuration")]
+        public int AoeFlashDuration { get; set; } = 2000;
+
+        [DataField("slowTo")]
+        [ViewVariables(VVAccess.ReadWrite)]
+        public float SlowTo { get; set; } = 0.5f;
+
+        public bool Flashing;
+
+        public bool HasUses => Uses > 0;
+    }
+}

Content.Server/Flash/Components/FlashProjectileComponent.cs

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+using Content.Server.Projectiles.Components;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Physics.Collision;
+using Robust.Shared.Physics.Dynamics;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Server.Flash.Components
+{
+    /// <summary>
+    /// Upon colliding with an object this will flash in an area around it
+    /// </summary>
+    [RegisterComponent]
+    public class FlashProjectileComponent : Component, IStartCollide
+    {
+        public override string Name => "FlashProjectile";
+
+        [DataField("range")]
+        private float _range = 1.0f;
+        [DataField("duration")]
+        private float _duration = 8.0f;
+
+        private bool _flashed;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            // Shouldn't be using this without a ProjectileComponent because it will just immediately collide with thrower
+            Owner.EnsureComponent<ProjectileComponent>();
+        }
+
+        void IStartCollide.CollideWith(Fixture ourFixture, Fixture otherFixture, in Manifold manifold)
+        {
+            if (_flashed) return;
+
+            FlashableComponent.FlashAreaHelper(Owner, _range, _duration);
+            _flashed = true;
+        }
+    }
+}

Content.Server/Flash/Components/FlashableComponent.cs

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+using System;
+using Content.Shared.Flash;
+using Content.Shared.Interaction.Helpers;
+using Content.Shared.Physics;
+using Robust.Shared.Audio;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Player;
+using Robust.Shared.Players;
+using Robust.Shared.Timing;
+
+namespace Content.Server.Flash.Components
+{
+    [RegisterComponent]
+    public sealed class FlashableComponent : SharedFlashableComponent
+    {
+        [Dependency] private readonly IGameTiming _gameTiming = default!;
+
+        private double _duration;
+        private TimeSpan _lastFlash;
+
+        public void Flash(double duration)
+        {
+            _lastFlash = _gameTiming.CurTime;
+            _duration = duration;
+            Dirty();
+        }
+
+        public override ComponentState GetComponentState(ICommonSession player)
+        {
+            return new FlashComponentState(_duration, _lastFlash);
+        }
+
+        public static void FlashAreaHelper(IEntity source, float range, float duration, string? sound = null)
+        {
+            foreach (var entity in IoCManager.Resolve<IEntityLookup>().GetEntitiesInRange(source.Transform.Coordinates, range))
+            {
+                if (!entity.TryGetComponent(out FlashableComponent? flashable) ||
+                    !source.InRangeUnobstructed(entity, range, CollisionGroup.Opaque)) continue;
+
+                flashable.Flash(duration);
+            }
+
+            if (!string.IsNullOrEmpty(sound))
+            {
+                SoundSystem.Play(Filter.Pvs(source), sound, source.Transform.Coordinates);
+            }
+        }
+    }
+}

Content.Server/Flash/FlashSystem.cs

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+using Content.Server.Flash.Components;
+using Content.Server.Stunnable.Components;
+using Content.Server.Weapon.Melee;
+using Content.Shared.Examine;
+using Content.Shared.Interaction;
+using Content.Shared.Notification;
+using Robust.Server.GameObjects;
+using Robust.Shared.Audio;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Localization;
+using Robust.Shared.Player;
+
+namespace Content.Server.Flash
+{
+    public class FlashSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<FlashComponent, MeleeHitEvent>(OnMeleeHit);
+            SubscribeLocalEvent<FlashComponent, MeleeInteractEvent>(OnMeleeInteract);
+            SubscribeLocalEvent<FlashComponent, UseInHandEvent>(OnUseInHand);
+
+            SubscribeLocalEvent<FlashComponent, ExaminedEvent>(OnExamined);
+        }
+
+        public void OnMeleeHit(EntityUid uid, FlashComponent comp, MeleeHitEvent args)
+        {
+            if (!UseFlash(comp, args.User))
+            {
+                return;
+            }
+
+            args.Handled = true;
+            foreach (IEntity e in args.HitEntities)
+            {
+                FlashEntity(e, args.User, comp.FlashDuration, comp.SlowTo);
+            }
+        }
+
+        private void OnMeleeInteract(EntityUid uid, FlashComponent comp, MeleeInteractEvent args)
+        {
+            if (!UseFlash(comp, args.User))
+            {
+                return;
+            }
+
+            if (args.Entity.HasComponent<FlashableComponent>())
+            {
+                args.CanInteract = true;
+                FlashEntity(args.Entity, args.User, comp.FlashDuration, comp.SlowTo);
+            }
+        }
+
+        public void OnUseInHand(EntityUid uid, FlashComponent comp, UseInHandEvent args)
+        {
+            if (!UseFlash(comp, args.User))
+            {
+                return;
+            }
+
+            foreach (var entity in IoCManager.Resolve<IEntityLookup>().GetEntitiesInRange(comp.Owner.Transform.Coordinates, comp.Range))
+            {
+                FlashEntity(entity, args.User, comp.AoeFlashDuration, comp.SlowTo);
+            }
+        }
+
+        private bool UseFlash(FlashComponent comp, IEntity user)
+        {
+            if (comp.HasUses)
+            {
+                // TODO flash visualizer
+                if (!comp.Owner.TryGetComponent<SpriteComponent>(out var sprite))
+                    return false;
+
+                if (--comp.Uses == 0)
+                {
+                    sprite.LayerSetState(0, "burnt");
+                    comp.Owner.PopupMessage(user, Loc.GetString("flash-component-becomes-empty"));
+                }
+                else if (!comp.Flashing)
+                {
+                    int animLayer = sprite.AddLayerWithState("flashing");
+                    comp.Flashing = true;
+
+                    comp.Owner.SpawnTimer(400, () =>
+                    {
+                        sprite.RemoveLayer(animLayer);
+                        comp.Flashing = false;
+                    });
+                }
+
+                SoundSystem.Play(Filter.Pvs(comp.Owner), "/Audio/Weapons/flash.ogg", comp.Owner.Transform.Coordinates,
+                    AudioParams.Default);
+
+                return true;
+            }
+
+            return false;
+        }
+
+        // TODO: Check if target can be flashed (e.g. things like sunglasses would block a flash)
+        // TODO: Merge with the code in FlashableComponent--raise an event on the target, that FlashableComponent or
+        // another comp will catch
+        private void FlashEntity(IEntity target, IEntity user, float flashDuration, float slowTo)
+        {
+            if (target.TryGetComponent<FlashableComponent>(out var flashable))
+            {
+                flashable.Flash(flashDuration / 1000d);
+            }
+
+            if (target.TryGetComponent<StunnableComponent>(out var stunnableComponent))
+            {
+                stunnableComponent.Slowdown(flashDuration / 1000f, slowTo, slowTo);
+            }
+
+            if (target != user)
+            {
+                user.PopupMessage(target,
+                    Loc.GetString(
+                        "flash-component-user-blinds-you",
+                        ("user", user)
+                    )
+                );
+            }
+        }
+
+        private void OnExamined(EntityUid uid, FlashComponent comp, ExaminedEvent args)
+        {
+            if (!comp.HasUses)
+            {
+                args.Message.AddText("\n");
+                args.Message.AddText(Loc.GetString("flash-component-examine-empty"));
+                return;
+            }
+
+            if (args.IsInDetailsRange)
+            {
+                args.Message.AddText("\n");
+                args.Message.AddMarkup(
+                    Loc.GetString(
+                        "flash-component-examine-detail-count",
+                        ("count", comp.Uses),
+                        ("markupCountColor", "green")
+                    )
+                );
+            }
+        }
+    }
+}