Shadowkin

Content.Client/Overlays/ColorTintOverlay.cs

@@ -0,0 +1,63 @@
+using Robust.Client.Graphics;
+using Robust.Client.Player;
+using Robust.Shared.Enums;
+using Robust.Shared.Prototypes;
+using Content.Shared.Shadowkin;
+
+namespace Content.Client.Overlays;
+
+/// <summary>
+///     A simple overlay that applies a colored tint to the screen.
+/// </summary>
+public sealed class ColorTintOverlay : Overlay
+{
+    [Dependency] private readonly IPrototypeManager _prototype = default!;
+    [Dependency] private readonly IPlayerManager _player = default!;
+    [Dependency] IEntityManager _entityManager = default!;
+
+    public override bool RequestScreenTexture => true;
+    public override OverlaySpace Space => OverlaySpace.WorldSpace;
+    private readonly ShaderInstance _shader;
+
+    /// <summary>
+    ///     The color to tint the screen to as RGB on a scale of 0-1.
+    /// </summary>
+    public Vector3? TintColor = null;
+    /// <summary>
+    ///     The percent to tint the screen by on a scale of 0-1.
+    /// </summary>
+    public float? TintAmount = null;
+
+    public ColorTintOverlay()
+    {
+        IoCManager.InjectDependencies(this);
+        _shader = _prototype.Index<ShaderPrototype>("ColorTint").InstanceUnique();
+    }
+
+    protected override bool BeforeDraw(in OverlayDrawArgs args)
+    {
+        if (_player.LocalEntity is not { Valid: true } player
+            || !_entityManager.HasComponent<ShadowkinComponent>(player))
+            return false;
+
+        return base.BeforeDraw(in args);
+    }
+    protected override void Draw(in OverlayDrawArgs args)
+    {
+        if (ScreenTexture is null)
+            return;
+
+        _shader.SetParameter("SCREEN_TEXTURE", ScreenTexture);
+        if (TintColor != null)
+            _shader.SetParameter("tint_color", (Vector3) TintColor);
+        if (TintAmount != null)
+            _shader.SetParameter("tint_amount", (float) TintAmount);
+
+        var worldHandle = args.WorldHandle;
+        var viewport = args.WorldBounds;
+        worldHandle.SetTransform(Matrix3.Identity);
+        worldHandle.UseShader(_shader);
+        worldHandle.DrawRect(viewport, Color.White);
+        worldHandle.UseShader(null);
+    }
+}

Content.Client/Overlays/EtherealOverlay.cs

@@ -0,0 +1,48 @@
+using Robust.Client.Graphics;
+using Robust.Client.Player;
+using Robust.Shared.Enums;
+using Robust.Shared.Prototypes;
+using Content.Shared.Shadowkin;
+
+namespace Content.Client.Overlays;
+
+public sealed class EtherealOverlay : Overlay
+{
+    [Dependency] private readonly IPrototypeManager _prototype = default!;
+    [Dependency] private readonly IPlayerManager _player = default!;
+    [Dependency] IEntityManager _entityManager = default!;
+
+    public override bool RequestScreenTexture => true;
+    public override OverlaySpace Space => OverlaySpace.WorldSpaceBelowFOV;
+    private readonly ShaderInstance _shader;
+
+    public EtherealOverlay()
+    {
+        IoCManager.InjectDependencies(this);
+        _shader = _prototype.Index<ShaderPrototype>("Ethereal").InstanceUnique();
+    }
+
+    protected override bool BeforeDraw(in OverlayDrawArgs args)
+    {
+        if (_player.LocalEntity is not { Valid: true } player
+            || !_entityManager.HasComponent<EtherealComponent>(player))
+            return false;
+
+        return base.BeforeDraw(in args);
+    }
+
+    protected override void Draw(in OverlayDrawArgs args)
+    {
+        if (ScreenTexture is null)
+            return;
+
+        _shader.SetParameter("SCREEN_TEXTURE", ScreenTexture);
+
+        var worldHandle = args.WorldHandle;
+        var viewport = args.WorldBounds;
+        worldHandle.SetTransform(Matrix3.Identity);
+        worldHandle.UseShader(_shader);
+        worldHandle.DrawRect(viewport, Color.White);
+        worldHandle.UseShader(null);
+    }
+}

Content.Client/Shadowkin/EtherealSystem.cs

@@ -0,0 +1,52 @@
+using Content.Shared.Shadowkin;
+using Robust.Client.Graphics;
+using Robust.Shared.Player;
+using Content.Client.Overlays;
+
+namespace Content.Client.Shadowkin;
+
+public sealed partial class EtherealSystem : EntitySystem
+{
+    [Dependency] private readonly IOverlayManager _overlayMan = default!;
+    [Dependency] private readonly ISharedPlayerManager _playerMan = default!;
+
+    private EtherealOverlay _overlay = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<EtherealComponent, ComponentInit>(OnInit);
+        SubscribeLocalEvent<EtherealComponent, ComponentShutdown>(Onhutdown);
+        SubscribeLocalEvent<EtherealComponent, LocalPlayerAttachedEvent>(OnPlayerAttached);
+        SubscribeLocalEvent<EtherealComponent, LocalPlayerDetachedEvent>(OnPlayerDetached);
+
+        _overlay = new();
+    }
+
+    private void OnInit(EntityUid uid, EtherealComponent component, ComponentInit args)
+    {
+        if (uid != _playerMan.LocalEntity)
+            return;
+
+        _overlayMan.AddOverlay(_overlay);
+    }
+
+    private void Onhutdown(EntityUid uid, EtherealComponent component, ComponentShutdown args)
+    {
+        if (uid != _playerMan.LocalEntity)
+            return;
+
+        _overlayMan.RemoveOverlay(_overlay);
+    }
+
+    private void OnPlayerAttached(EntityUid uid, EtherealComponent component, LocalPlayerAttachedEvent args)
+    {
+        _overlayMan.AddOverlay(_overlay);
+    }
+
+    private void OnPlayerDetached(EntityUid uid, EtherealComponent component, LocalPlayerDetachedEvent args)
+    {
+        _overlayMan.RemoveOverlay(_overlay);
+    }
+}

Content.Client/Shadowkin/ShadowkinSystem.cs

@@ -0,0 +1,114 @@
+using Content.Shared.Shadowkin;
+using Content.Shared.CCVar;
+using Robust.Client.Graphics;
+using Robust.Shared.Configuration;
+using Robust.Shared.Player;
+using Content.Shared.Humanoid;
+using Content.Shared.Abilities.Psionics;
+using Content.Client.Overlays;
+
+namespace Content.Client.Shadowkin;
+
+public sealed partial class ShadowkinSystem : EntitySystem
+{
+    [Dependency] private readonly IOverlayManager _overlayMan = default!;
+    [Dependency] private readonly IConfigurationManager _cfg = default!;
+    [Dependency] private readonly ISharedPlayerManager _playerMan = default!;
+
+    private ColorTintOverlay _overlay = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<ShadowkinComponent, ComponentInit>(OnInit);
+        SubscribeLocalEvent<ShadowkinComponent, ComponentShutdown>(Onhutdown);
+        SubscribeLocalEvent<ShadowkinComponent, LocalPlayerAttachedEvent>(OnPlayerAttached);
+        SubscribeLocalEvent<ShadowkinComponent, LocalPlayerDetachedEvent>(OnPlayerDetached);
+
+        Subs.CVar(_cfg, CCVars.NoVisionFilters, OnNoVisionFiltersChanged);
+
+        _overlay = new();
+    }
+
+    private void OnInit(EntityUid uid, ShadowkinComponent component, ComponentInit args)
+    {
+        if (uid != _playerMan.LocalEntity)
+            return;
+
+        if (!_cfg.GetCVar(CCVars.NoVisionFilters))
+            _overlayMan.AddOverlay(_overlay);
+    }
+
+    private void Onhutdown(EntityUid uid, ShadowkinComponent component, ComponentShutdown args)
+    {
+        if (uid != _playerMan.LocalEntity)
+            return;
+
+        _overlayMan.RemoveOverlay(_overlay);
+    }
+
+    private void OnPlayerAttached(EntityUid uid, ShadowkinComponent component, LocalPlayerAttachedEvent args)
+    {
+        if (!_cfg.GetCVar(CCVars.NoVisionFilters))
+            _overlayMan.AddOverlay(_overlay);
+    }
+
+    private void OnPlayerDetached(EntityUid uid, ShadowkinComponent component, LocalPlayerDetachedEvent args)
+    {
+        _overlayMan.RemoveOverlay(_overlay);
+    }
+
+    private void OnNoVisionFiltersChanged(bool enabled)
+    {
+        if (enabled)
+            _overlayMan.RemoveOverlay(_overlay);
+        else
+            _overlayMan.AddOverlay(_overlay);
+    }
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        if (_cfg.GetCVar(CCVars.NoVisionFilters))
+            return;
+
+        var uid = _playerMan.LocalEntity;
+        if (uid == null
+            || !TryComp<ShadowkinComponent>(uid, out var comp)
+            || !TryComp<HumanoidAppearanceComponent>(uid, out var humanoid))
+            return;
+
+        // 1/3 = 0.333...
+        // intensity = min + (power / max)
+        // intensity = intensity / 0.333
+        // intensity = clamp intensity min, max
+
+        var tintIntensity = 0.65f;
+        if (TryComp<PsionicComponent>(uid, out var magic))
+        {
+            var min = 0.45f;
+            var max = 0.75f;
+            tintIntensity = Math.Clamp(min + (magic.Mana / magic.MaxMana) * 0.333f, min, max);
+        }
+
+        UpdateShader(new Vector3(humanoid.EyeColor.R, humanoid.EyeColor.G, humanoid.EyeColor.B), tintIntensity);
+    }
+
+    private void UpdateShader(Vector3? color, float? intensity)
+    {
+        while (_overlayMan.HasOverlay<ColorTintOverlay>())
+        {
+            _overlayMan.RemoveOverlay(_overlay);
+        }
+
+        if (color != null)
+            _overlay.TintColor = color;
+        if (intensity != null)
+            _overlay.TintAmount = intensity;
+
+        if (!_cfg.GetCVar(CCVars.NoVisionFilters))
+            _overlayMan.AddOverlay(_overlay);
+    }
+}

Content.Server/Abilities/Psionics/Abilities/DarkSwapSystem.cs

@@ -0,0 +1,63 @@
+using Content.Shared.Abilities.Psionics;
+using Content.Shared.Actions.Events;
+using Content.Shared.Shadowkin;
+using Content.Shared.Physics;
+using Content.Shared.Popups;
+using Content.Shared.Maps;
+using Robust.Server.GameObjects;
+
+namespace Content.Server.Abilities.Psionics
+{
+    public sealed class DarkSwapSystem : EntitySystem
+    {
+        [Dependency] private readonly SharedPsionicAbilitiesSystem _psionics = default!;
+        [Dependency] private readonly SharedPopupSystem _popup = default!;
+        [Dependency] private readonly PhysicsSystem _physics = default!;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            SubscribeLocalEvent<DarkSwapActionEvent>(OnPowerUsed);
+        }
+
+        private void OnPowerUsed(DarkSwapActionEvent args)
+        {
+            if (TryComp<EtherealComponent>(args.Performer, out var ethereal))
+            {
+                var tileref = Transform(args.Performer).Coordinates.GetTileRef();
+                if (tileref != null)
+                {
+                    if (_physics.GetEntitiesIntersectingBody(args.Performer, (int) CollisionGroup.Impassable).Count > 0)
+                    {
+                        _popup.PopupEntity(Loc.GetString("revenant-in-solid"), args.Performer, args.Performer);
+                        return;
+                    }
+                }
+
+                if (_psionics.OnAttemptPowerUse(args.Performer, "DarkSwap", args.ManaCost / 2, args.CheckInsulation))
+                {
+                    RemComp(args.Performer, ethereal);
+                    args.Handled = true;
+                }
+            }
+            else
+            {
+                if (_psionics.OnAttemptPowerUse(args.Performer, "DarkSwap", args.ManaCost, args.CheckInsulation))
+                {
+                    var newethereal = EnsureComp<EtherealComponent>(args.Performer);
+                    newethereal.Darken = true;
+
+                    Spawn("ShadowkinShadow", Transform(args.Performer).Coordinates);
+                    Spawn("EffectFlashShadowkinDarkSwapOn", Transform(args.Performer).Coordinates);
+
+                    args.Handled = true;
+                }
+            }
+
+            if (args.Handled)
+                _psionics.LogPowerUsed(args.Performer, "DarkSwap", 0, 0);
+        }
+    }
+}
+
+

Content.Server/Abilities/Psionics/Abilities/DispelPowerSystem.cs

@@ -38,6 +38,9 @@ public override void Initialize()
 
         private void OnPowerUsed(DispelPowerActionEvent args)
         {
+            if (!_psionics.OnAttemptPowerUse(args.Performer, "dispel"))
+                return;
+
             var ev = new DispelledEvent();
             RaiseLocalEvent(args.Target, ev, false);
 

Content.Server/Abilities/Psionics/Abilities/HealOtherPowerSystem.cs

@@ -44,7 +44,7 @@ public override void Initialize()
 
     private void OnPowerUsed(EntityUid uid, PsionicComponent component, PsionicHealOtherPowerActionEvent args)
     {
-        if (component.DoAfter is not null)
+        if (!_psionics.OnAttemptPowerUse(args.Performer, args.PowerName))
             return;
 
         args.ModifiedAmplification = _psionics.ModifiedAmplification(uid, component);

Content.Server/Abilities/Psionics/Abilities/MetapsionicPowerSystem.cs

@@ -19,6 +19,9 @@ public override void Initialize()
 
         private void OnPowerUsed(EntityUid uid, MetapsionicPowerComponent component, MetapsionicPowerActionEvent args)
         {
+            if (!_psionics.OnAttemptPowerUse(args.Performer, "metapsionic pulse"))
+                return;
+
             foreach (var entity in _lookup.GetEntitiesInRange(uid, component.Range))
             {
                 if (HasComp<PsionicComponent>(entity) && entity != uid && !HasComp<PsionicInsulationComponent>(entity) &&