Blindness refactor (#15705)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Shared/Eye/Blinding/Components/BlindableComponent.cs

@@ -0,0 +1,41 @@
+using Content.Shared.Eye.Blinding.Systems;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Eye.Blinding.Components;
+
+[RegisterComponent]
+[NetworkedComponent, AutoGenerateComponentState]
+[Access(typeof(BlindableSystem))]
+public sealed partial class BlindableComponent : Component
+{
+    /// <summary>
+    /// How many seconds will be subtracted from each attempt to add blindness to us?
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("isBlind"), AutoNetworkedField]
+    public bool IsBlind;
+
+    /// <summary>
+    /// Eye damage due to things like staring directly at welders. Causes blurry vision or outright
+    /// blindness if greater than or equal to <see cref="MaxDamage"/>.
+    /// </summary>
+    /// <remarks>
+    /// Should eventually be replaced with a proper eye health system when we have bobby.
+    /// </remarks>
+    [ViewVariables(VVAccess.ReadWrite), DataField("EyeDamage"), AutoNetworkedField]
+    public int EyeDamage = 0;
+
+    public const int MaxDamage = 8;
+
+    /// <description>
+    /// Used to ensure that this doesn't break with sandbox or admin tools.
+    /// This is not "enabled/disabled".
+    /// </description>
+    [Access(Other = AccessPermissions.ReadWriteExecute)]
+    public bool LightSetup = false;
+
+    /// <description>
+    /// Gives an extra frame of blindness to reenable light manager during
+    /// </description>
+    [Access(Other = AccessPermissions.ReadWriteExecute)]
+    public bool GraceFrame = false;
+}

Content.Shared/Eye/Blinding/Components/BlindfoldComponent.cs

@@ -0,0 +1,12 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Eye.Blinding.Components;
+
+/// <summary>
+///     Blinds a person when an item with this component is equipped to the eye, head, or mask slot.
+/// </summary>
+[RegisterComponent]
+[NetworkedComponent]
+public sealed class BlindfoldComponent : Component
+{
+}

Content.Shared/Eye/Blinding/Components/BlurryVisionComponent.cs

@@ -0,0 +1,21 @@
+using Content.Shared.Eye.Blinding.Systems;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Eye.Blinding.Components;
+
+/// <summary>
+///     This component adds a white overlay to the viewport. It does not actually cause blurring.
+/// </summary>
+[RegisterComponent]
+[NetworkedComponent, AutoGenerateComponentState]
+[Access(typeof(BlurryVisionSystem))]
+public sealed partial class BlurryVisionComponent : Component
+{
+    /// <summary>
+    ///     Amount of "blurring". Also modifies examine ranges.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("magnitude"), AutoNetworkedField]
+    public float Magnitude;
+
+    public const float MaxMagnitude = 10;
+}

Content.Shared/Eye/Blinding/Components/EyeProtectionComponent.cs

@@ -0,0 +1,15 @@
+namespace Content.Shared.Eye.Blinding.Components;
+
+/// <summary>
+/// For welding masks, sunglasses, etc.
+/// </summary>
+[RegisterComponent]
+public sealed class EyeProtectionComponent : Component
+{
+    /// <summary>
+    /// How many seconds to subtract from the status effect. If it's greater than the source
+    /// of blindness, do not blind.
+    /// </summary>
+    [DataField("protectionTime")]
+    public readonly TimeSpan ProtectionTime = TimeSpan.FromSeconds(10);
+}

Content.Shared/Eye/Blinding/Components/RequiresEyeProtectionComponent.cs

@@ -0,0 +1,22 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Eye.Blinding.Components;
+
+/// <summary>
+/// For tools like welders that will damage your eyes when you use them.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class RequiresEyeProtectionComponent : Component
+{
+    /// <summary>
+    /// How long to apply temporary blindness to the user.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("statusEffectTime"), AutoNetworkedField]
+    public TimeSpan StatusEffectTime = TimeSpan.FromSeconds(10);
+
+    /// <summary>
+    /// You probably want to turn this on in yaml if it's something always on and not a welder.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("toggled"), AutoNetworkedField]
+    public bool Toggled;
+}

Content.Shared/Eye/Blinding/Components/TemporaryBlindnessComponent.cs

@@ -0,0 +1,11 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Eye.Blinding.Components;
+
+/// <summary>
+/// Component used for the blind status effect.
+/// </summary>
+[NetworkedComponent, RegisterComponent]
+public sealed class TemporaryBlindnessComponent : Component
+{
+}

Content.Shared/Eye/Blinding/Components/VisionCorrectionComponent.cs

@@ -0,0 +1,14 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Eye.Blinding.Components;
+
+/// <summary>
+///     This component allows equipment to offset blurry vision.
+/// </summary>
+[RegisterComponent]
+[NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class VisionCorrectionComponent : Component
+{
+    [ViewVariables(VVAccess.ReadWrite), DataField("visionBonus"), AutoNetworkedField]
+    public float VisionBonus = 3f;
+}