Add service extensions

* Replace drawables in public with interfaces
* Add service for tracking access to markers
* Add separate listener for placing markers

Jailbreak.sln

@@ -28,6 +28,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jailbreak.Logs", "mod\Jailb
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jailbreak.Debug", "mod\Jailbreak.Debug\Jailbreak.Debug.csproj", "{4F10E2B5-E8BB-4253-9BE6-9187575ADB13}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Jailbreak.Lasers", "mod\Jailbreak.Lasers\Jailbreak.Lasers.csproj", "{FFF49F66-44EE-4BB2-8232-7002718DD3E5}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -74,6 +76,10 @@ Global
 		{4F10E2B5-E8BB-4253-9BE6-9187575ADB13}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4F10E2B5-E8BB-4253-9BE6-9187575ADB13}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4F10E2B5-E8BB-4253-9BE6-9187575ADB13}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FFF49F66-44EE-4BB2-8232-7002718DD3E5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FFF49F66-44EE-4BB2-8232-7002718DD3E5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FFF49F66-44EE-4BB2-8232-7002718DD3E5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FFF49F66-44EE-4BB2-8232-7002718DD3E5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{9135CCC9-66C5-4A9C-AE3C-91475B5F0437} = {177DA48D-8306-4102-918D-992569878581}
@@ -86,5 +92,6 @@ Global
 		{CB2391A1-6CDD-496F-B8D6-674FD6268038} = {36BA84C0-291C-4930-A7C6-97CDF8F7F0D7}
 		{CE6EC648-E7F9-4CE7-B28F-8C7995830F35} = {36BA84C0-291C-4930-A7C6-97CDF8F7F0D7}
 		{4F10E2B5-E8BB-4253-9BE6-9187575ADB13} = {36BA84C0-291C-4930-A7C6-97CDF8F7F0D7}
+		{FFF49F66-44EE-4BB2-8232-7002718DD3E5} = {36BA84C0-291C-4930-A7C6-97CDF8F7F0D7}
 	EndGlobalSection
 EndGlobal

mod/Jailbreak.Lasers/Drawing/BeamCircle.cs

@@ -3,7 +3,7 @@ using CounterStrikeSharp.API.Modules.Utils;
 
 namespace Jailbreak.Public.Mod.Draw;
 
-public class BeamCircle : BeamedShape
+public class BeamCircle : BeamedShape, IMarker
 {
     private readonly BeamLine?[] _lines;
     private Vector[] _offsets;
@@ -37,7 +37,8 @@ public class BeamCircle : BeamedShape
         return offsets;
     }
 
-    public override void Draw()
+
+    protected override void DrawInternal()
     {
         for (var i = 0; i < _lines.Length; i++)
         {
@@ -53,15 +54,16 @@ public class BeamCircle : BeamedShape
             }
             else
             {
-                line.Move(start, end);
-                line.Update();
+                line.SetPoints(start, end);
             }
         }
     }
 
+    public float Radius => _radius;
+
     public void SetRadius(float radius)
     {
         _radius = radius;
         _offsets = GenerateOffsets();
     }
-}
+}

mod/Jailbreak.Lasers/Drawing/BeamLine.cs

@@ -5,7 +5,7 @@ using CounterStrikeSharp.API.Modules.Utils;
 
 namespace Jailbreak.Public.Mod.Draw;
 
-public class BeamLine : DrawableShape, IColorable
+public class BeamLine : DrawableShape, ILine
 {
     private CEnvBeam? _beam;
     private Color _color = Color.White;
@@ -17,30 +17,20 @@ public class BeamLine : DrawableShape, IColorable
         _end = end;
     }
 
-    public void SetColor(Color color)
-    {
-        _color = color;
-    }
-
-    public Color GetColor()
-    {
-        return _color;
-    }
-
-    public void Move(Vector start, Vector end)
+    public void SetPoints(Vector start, Vector end)
     {
         Position = start;
         _end = end;
     }
 
-    public override void Draw()
+    protected override void DrawInternal()
     {
         Remove();
         var beam = Utilities.CreateEntityByName<CEnvBeam>("env_beam");
         if (beam == null) return;
         beam.RenderMode = RenderMode_t.kRenderTransColor;
         beam.Width = _width;
-        beam.Render = GetColor();
+        beam.Render = _color;
 
         beam.Teleport(Position, new QAngle(), new Vector());
         beam.EndPos.X = _end.X;
@@ -51,9 +41,8 @@ public class BeamLine : DrawableShape, IColorable
         Utilities.SetStateChanged(beam, "CBeam", "m_vecEndPos");
     }
 
-    public override void Remove()
+    protected override void RemoveInternal()
     {
-        KillTimer?.Kill();
         _beam?.Remove();
         _beam = null;
     }
@@ -67,4 +56,6 @@ public class BeamLine : DrawableShape, IColorable
     {
         return _width;
     }
-}
+
+    public Vector EndPosition => _end;
+}

mod/Jailbreak.Lasers/Drawing/BeamedShape.cs

@@ -10,7 +10,6 @@ namespace Jailbreak.Public.Mod.Draw;
 public abstract class BeamedShape : DrawableShape, IColorable
 {
     protected BeamLine?[] Beams;
-    protected Color Color = Color.White;
     protected int Resolution;
 
     protected BeamedShape(BasePlugin plugin, Vector position, int resolution) : base(plugin, position)
@@ -20,17 +19,15 @@ public abstract class BeamedShape : DrawableShape, IColorable
 
     // TODO: Add support for rotation across arbitrary axis
 
-    public Color GetColor()
-    {
-        return Color;
-    }
 
     public void SetColor(Color color)
     {
         Color = color;
     }
 
-    public override void Remove()
+    public Color Color { get; protected set; }
+
+    protected override void RemoveInternal()
     {
         for (var i = 0; i < Beams.Length; i++)
         {
@@ -38,4 +35,4 @@ public abstract class BeamedShape : DrawableShape, IColorable
             Beams[i] = null;
         }
     }
-}
+}

mod/Jailbreak.Lasers/Drawing/DrawableFactory.cs

@@ -0,0 +1,17 @@
+using CounterStrikeSharp.API.Core;
+using CounterStrikeSharp.API.Modules.Utils;
+
+namespace Jailbreak.Public.Mod.Draw;
+
+public class DrawableFactory : IDrawableFactory
+{
+	public ILine LineFor(CCSPlayerController? player, Vector from, Vector to)
+	{
+		throw new NotImplementedException();
+	}
+
+	public IMarker MarkerFor(CCSPlayerController? player, Vector position, float radius)
+	{
+		throw new NotImplementedException();
+	}
+}

mod/Jailbreak.Lasers/Drawing/DrawableShape.cs

@@ -1,3 +1,5 @@
+using System.Drawing;
+
 using CounterStrikeSharp.API.Core;
 using CounterStrikeSharp.API.Modules.Timers;
 using CounterStrikeSharp.API.Modules.Utils;
@@ -8,13 +10,12 @@ namespace Jailbreak.Public.Mod.Draw;
 /// <summary>
 ///     Represents a drawable shape
 /// </summary>
-public abstract class DrawableShape
+public abstract class DrawableShape : IDrawable, IColorable
 {
     protected Timer? KillTimer; // Internal timer used to remove the shape after a certain amount of time
 
     protected BasePlugin Plugin;
 
-    protected Vector Position; // Represents the origin of the shape
 
     // Note that this can mean different things for different shapes
     protected DateTime StartTime = DateTime.Now;
@@ -25,28 +26,41 @@ public abstract class DrawableShape
         Position = position;
     }
 
-    public abstract void Draw();
+    public Vector Position { get; protected set; }
 
-    public virtual void Update()
-    {
-        Remove();
-        Draw();
-    }
-
-    public virtual void Tick()
-    {
-    }
-
-    public void Draw(float lifetime)
-    {
-        Draw();
-        KillTimer = Plugin.AddTimer(lifetime, Remove, TimerFlags.STOP_ON_MAPCHANGE);
-    }
-
-    public virtual void Move(Vector position)
+    public void SetPosition(Vector position)
     {
         Position = position;
     }
 
-    public abstract void Remove();
-}
+    public Color Color { get; protected set; }
+
+    public void SetColor(Color color)
+    {
+        Color = color;
+    }
+
+    public bool Drawn { get; protected set;  }
+
+    protected abstract void DrawInternal();
+
+    public void Draw()
+    {
+        if (Drawn)
+            Remove();
+
+        DrawInternal();
+        Drawn = true;
+    }
+
+    protected abstract void RemoveInternal();
+
+    public void Remove()
+    {
+        if (!Drawn)
+            return;
+
+        RemoveInternal();
+        Drawn = false;
+    }
+}

mod/Jailbreak.Lasers/MarkerServiceExtensions.cs

@@ -0,0 +1,18 @@
+using Jailbreak.Drawable.Markers;
+using Jailbreak.Public.Extensions;
+using Jailbreak.Public.Mod.Draw;
+
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Jailbreak.Drawable;
+
+public static class MarkerServiceExtensions
+{
+	public static void AddLasers(this IServiceCollection collection)
+	{
+		collection.AddSingleton<IDrawableFactory, DrawableFactory>();
+
+		collection.AddPluginBehavior<IMarkerService, MarkerBehavior>();
+		collection.AddPluginBehavior<MarkerListener>();
+	}
+}

mod/Jailbreak.Lasers/Markers/CurrentMarkerState.cs

@@ -0,0 +1,37 @@
+using CounterStrikeSharp.API.Modules.Utils;
+
+using Jailbreak.Public.Mod.Draw;
+
+using NodaTime;
+
+namespace Jailbreak.Drawable.Markers;
+
+public class CurrentMarkerState : IDisposable
+{
+	public bool HasMarker { get; set; } = false;
+
+	public IMarker? CurrentMarker { get; set; } = null;
+
+	/// <summary>
+	/// The time that the marker was placed.
+	/// Used for resize operations, to avoid making every operation a resize.
+	/// </summary>
+	public Instant? PlacedOn { get; set; } = null;
+
+	/// <summary>
+	/// The position of the last ping, for resize purposes.
+	/// </summary>
+	public Vector? PlacedAt { get; set; } = null;
+
+	/// <summary>
+	/// Invoked when the player dies or leaves.
+	/// </summary>
+	public void Dispose()
+	{
+		if (CurrentMarker != null)
+		{
+			CurrentMarker.Remove();
+			CurrentMarker.Dispose();
+		}
+	}
+}

mod/Jailbreak.Lasers/Markers/MarkerBehavior.cs

@@ -0,0 +1,39 @@
+using CounterStrikeSharp.API.Core;
+
+using Jailbreak.Public.Behaviors;
+using Jailbreak.Public.Generic;
+using Jailbreak.Public.Mod.Draw;
+
+namespace Jailbreak.Drawable.Markers;
+
+public class MarkerBehavior : IPluginBehavior, IMarkerService
+{
+	private IPlayerState<MarkerState> _state;
+
+	public MarkerBehavior(IPlayerStateFactory playerStateFactory)
+	{
+		_state = playerStateFactory.Global<MarkerState>();
+	}
+
+	public bool TryEnable(CCSPlayerController player)
+	{
+		_state.Get(player)
+			.Enabled = true;
+
+		return true;
+	}
+
+	public bool TryDisable(CCSPlayerController player)
+	{
+		_state.Get(player)
+			.Enabled = false;
+
+		return true;
+	}
+
+	public bool IsEnabled(CCSPlayerController player)
+	{
+		return _state.Get(player)
+			.Enabled;
+	}
+}

mod/Jailbreak.Lasers/Markers/MarkerListener.cs

@@ -0,0 +1,77 @@
+using CounterStrikeSharp.API.Core;
+using CounterStrikeSharp.API.Core.Attributes.Registration;
+using CounterStrikeSharp.API.Modules.Utils;
+
+using Jailbreak.Public.Behaviors;
+using Jailbreak.Public.Extensions;
+using Jailbreak.Public.Generic;
+using Jailbreak.Public.Mod.Draw;
+
+using NodaTime;
+
+namespace Jailbreak.Drawable.Markers;
+
+public class MarkerListener : IPluginBehavior
+{
+	public const int DEFAULT_SIZE = 150;
+
+	private IMarkerService _markers;
+	private IPlayerState<CurrentMarkerState> _current;
+	private IDrawableFactory _drawable;
+
+	public MarkerListener(IMarkerService markers, IPlayerStateFactory factory, IDrawableFactory drawable)
+	{
+		_markers = markers;
+		_drawable = drawable;
+
+		//	Use alive so the state tracker will dispose
+		//	of the current state when the player dies.
+		_current = factory.Alive<CurrentMarkerState>();
+	}
+
+	protected void HandlePing(CCSPlayerController player, CurrentMarkerState markerState, Vector position)
+	{
+		if (markerState.HasMarker
+		    && markerState.CurrentMarker != null
+		    && markerState.PlacedOn != null
+		    && markerState.PlacedAt != null)
+		{
+			//	The player already has a marker down.
+			//	Do we qualify for a resize operation?
+			var elapsed = SystemClock.Instance.GetCurrentInstant() - markerState.PlacedOn;
+
+			if (elapsed <= Duration.FromMilliseconds(750))
+			{
+				//	Resize the existing marker
+				var distance = Math.Clamp(markerState.PlacedAt.Distance(position), 100, 500);
+				markerState.CurrentMarker.SetRadius(distance);
+				markerState.CurrentMarker.Draw();
+				return;
+			}
+		}
+
+		//	Create the marker if it does not exist
+		markerState.HasMarker = true;
+		markerState.CurrentMarker ??= _drawable.MarkerFor(player, position, DEFAULT_SIZE);
+		markerState.CurrentMarker.SetPosition(position);
+		markerState.CurrentMarker.Draw();
+
+		markerState.PlacedAt = position;
+		markerState.PlacedOn = SystemClock.Instance.GetCurrentInstant();
+	}
+
+	[GameEventHandler]
+	public HookResult OnPing(EventPlayerPing ev, GameEventInfo info)
+	{
+		var player = ev.Userid;
+
+		if (!_markers.IsEnabled(player))
+			return HookResult.Handled;
+
+		var vec = new Vector(ev.X, ev.Y, ev.Z);
+		var current = _current.Get(player);
+
+		this.HandlePing(player, current, vec);
+		return HookResult.Handled;
+	}
+}

mod/Jailbreak.Lasers/Markers/MarkerState.cs

@@ -0,0 +1,12 @@
+using System.Drawing;
+
+using Jailbreak.Public.Mod.Draw;
+
+namespace Jailbreak.Drawable.Markers;
+
+public class MarkerState
+{
+	public bool Enabled { get; set; } = false;
+
+	public Color Color { get; set; }= Color.White;
+}

mod/Jailbreak.Warden/Global/WardenBehavior.cs

@@ -7,6 +7,7 @@ using Jailbreak.Formatting.Extensions;
 using Jailbreak.Formatting.Views;
 using Jailbreak.Public.Behaviors;
 using Jailbreak.Public.Extensions;
+using Jailbreak.Public.Mod.Draw;
 using Jailbreak.Public.Mod.Logs;
 using Jailbreak.Public.Mod.Warden;
 using Microsoft.Extensions.Logging;
@@ -16,18 +17,20 @@ namespace Jailbreak.Warden.Global;
 public class WardenBehavior : IPluginBehavior, IWardenService
 {
 	private ILogger<WardenBehavior> _logger;
-	private IRichLogService logs;
+	private IRichLogService _logs;
+	private IMarkerService _markers;
 
 	private IWardenNotifications _notifications;
 
 	private bool _hasWarden;
 	private CCSPlayerController? _warden;
 
-	public WardenBehavior(ILogger<WardenBehavior> logger, IWardenNotifications notifications, IRichLogService logs)
+	public WardenBehavior(ILogger<WardenBehavior> logger, IWardenNotifications notifications, IRichLogService logs, IMarkerService markers)
 	{
 		_logger = logger;
 		_notifications = notifications;
-		logs = logs;
+		_logs = logs;
+		_markers = markers;
 	}
 
 	/// <summary>
@@ -61,11 +64,14 @@ public class WardenBehavior : IPluginBehavior, IWardenService
 			Utilities.SetStateChanged(_warden.Pawn.Value, "CBaseModelEntity", "m_clrRender");
 		}
 
+		//	Grant marker perms
+		_markers.TryEnable(_warden);
+
 		_notifications.NEW_WARDEN(_warden)
 			.ToAllChat()
 			.ToAllCenter();
 
-		logs.Append( logs.Player(_warden), "is now the warden.");
+		_logs.Append( _logs.Player(_warden), "is now the warden.");
 		return true;
 	}
 
@@ -81,7 +87,10 @@ public class WardenBehavior : IPluginBehavior, IWardenService
 			_warden.Pawn.Value.RenderMode = RenderMode_t.kRenderTransColor;
 			_warden.Pawn.Value.Render = Color.FromArgb(254, 255, 255, 255);
 			Utilities.SetStateChanged(_warden.Pawn.Value, "CBaseModelEntity", "m_clrRender");
-			logs.Append( logs.Player(_warden), "is no longer the warden.");
+			_logs.Append( _logs.Player(_warden), "is no longer the warden.");
+
+			//	Remove marker privileges.
+			_markers.TryDisable(_warden!);
 		}
 
 		_warden = null;

mod/Jailbreak.Warden/Jailbreak.Warden.csproj

@@ -11,4 +11,8 @@
         <ProjectReference Include="..\..\public\Jailbreak.Public\Jailbreak.Public.csproj"/>
     </ItemGroup>
 
+    <ItemGroup>
+      <Folder Include="Markers\" />
+    </ItemGroup>
+
 </Project>

mod/Jailbreak.Warden/Markers/WardenMarkerBehavior.cs

@@ -1,78 +0,0 @@
-using CounterStrikeSharp.API.Core;
-using CounterStrikeSharp.API.Core.Attributes.Registration;
-using CounterStrikeSharp.API.Modules.Commands;
-using CounterStrikeSharp.API.Modules.Utils;
-using Jailbreak.Public.Behaviors;
-using Jailbreak.Public.Extensions;
-using Jailbreak.Public.Mod.Draw;
-using Jailbreak.Public.Mod.Warden;
-
-namespace Jailbreak.Warden.Markers;
-
-public class WardenMarkerBehavior : IPluginBehavior
-{
-    private const float MinRadius = 60f, MaxRadius = 360f;
-    private readonly IWardenService _warden;
-
-    private BeamCircle? _marker;
-
-    private Vector? _currentPos;
-    private long _placementTime;
-    private float _radius = MinRadius;
-
-    public WardenMarkerBehavior(IWardenService warden)
-    {
-        _warden = warden;
-    }
-
-    public void Start(BasePlugin plugin)
-    {
-        _marker = new BeamCircle(plugin, new Vector(), 60f, (int)Math.PI * 15);
-        plugin.AddCommandListener("player_ping", CommandListener_PlayerPing);
-    }
-
-    [GameEventHandler]
-    public HookResult OnPing(EventPlayerPing @event, GameEventInfo info)
-    {
-        var player = @event.Userid;
-
-        if (!_warden.IsWarden(player))
-            return HookResult.Handled;
-        var vec = new Vector(@event.X, @event.Y, @event.Z);
-
-        if (_currentPos != null)
-        {
-            var distance = _currentPos.Distance(vec);
-            var timeElapsed = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() - _placementTime;
-            if (timeElapsed < 500)
-            {
-                if (distance <= MaxRadius * 1.5)
-                {
-                    distance = Math.Clamp(distance, MinRadius, MaxRadius);
-                    _marker?.SetRadius(distance);
-                    _marker?.Update();
-                    _radius = distance;
-                    return HookResult.Handled;
-                }
-            }
-            else if (distance <= _radius)
-            {
-                _marker?.Remove();
-                return HookResult.Handled;
-            }
-        }
-
-        _radius = MinRadius;
-        _currentPos = vec;
-        _placementTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
-        _marker?.Move(vec);
-        _marker?.SetRadius(_radius);
-        _marker?.Update();
-        return HookResult.Handled;
-    }
-
-    private HookResult CommandListener_PlayerPing(CCSPlayerController? player, CommandInfo info)
-    {
-        return _warden.IsWarden(player) ? HookResult.Continue : HookResult.Handled;
-    }
-}

mod/Jailbreak.Warden/Selection/WardenSelectionBehavior.cs

@@ -8,6 +8,7 @@ using Jailbreak.Formatting.Views;
 using Jailbreak.Public.Behaviors;
 using Jailbreak.Public.Extensions;
 using Jailbreak.Public.Generic;
+using Jailbreak.Public.Mod.Draw;
 using Jailbreak.Public.Mod.Warden;
 using Microsoft.Extensions.Logging;
 

public/Jailbreak.Public/Jailbreak.Public.csproj

@@ -8,6 +8,7 @@
 
     <ItemGroup>
         <PackageReference Include="CounterStrikeSharp.API" Version="1.0.142"/>
+        <PackageReference Include="NodaTime" Version="3.1.10" />
         <PackageReference Include="System.Text.Json" Version="8.0.0"/>
     </ItemGroup>
 

public/Jailbreak.Public/Mod/Lasers/IColorable.cs

@@ -5,5 +5,6 @@ namespace Jailbreak.Public.Mod.Draw;
 public interface IColorable
 {
     void SetColor(Color color);
-    Color GetColor();
-}
+
+    Color Color { get; }
+}

public/Jailbreak.Public/Mod/Lasers/IDrawable.cs

@@ -0,0 +1,36 @@
+
+using CounterStrikeSharp.API.Modules.Utils;
+
+namespace Jailbreak.Public.Mod.Draw;
+
+public interface IDrawable : IDisposable
+{
+
+	/// <summary>
+	/// The position of the drawable object
+	/// </summary>
+	Vector Position { get; }
+
+	void SetPosition(Vector position);
+
+	/// <summary>
+	/// Has this object been written to the world?
+	/// </summary>
+	bool Drawn { get; }
+
+	/// <summary>
+	/// Draw this item
+	/// The drawable should remove itself if it is currently drawn
+	/// </summary>
+	void Draw();
+
+	/// <summary>
+	/// Remove this item
+	/// </summary>
+	void Remove();
+
+	void IDisposable.Dispose()
+	{
+		this.Remove();
+	}
+}

public/Jailbreak.Public/Mod/Lasers/IDrawableFactory.cs

@@ -0,0 +1,45 @@
+using CounterStrikeSharp.API.Core;
+using CounterStrikeSharp.API.Modules.Utils;
+
+namespace Jailbreak.Public.Mod.Draw;
+
+public interface IDrawableFactory
+{
+	/// <summary>
+	/// Draw a line beginning at from and ending at to.
+	/// </summary>
+	/// <param name="from"></param>
+	/// <param name="to"></param>
+	/// <returns></returns>
+	ILine Line(Vector from, Vector to)
+		=> this.LineFor(null, from, to);
+
+	/// <summary>
+	/// Draw a line beginning at from and ending at to,
+	/// using the specified player's style configurations.
+	/// </summary>
+	/// <param name="player"></param>
+	/// <param name="from"></param>
+	/// <param name="to"></param>
+	/// <returns></returns>
+	ILine LineFor(CCSPlayerController? player, Vector from, Vector to);
+
+	/// <summary>
+	/// Draw a marker at the specified position with size "radius".
+	/// </summary>
+	/// <param name="position"></param>
+	/// <param name="radius"></param>
+	/// <returns></returns>
+	IMarker Marker(Vector position, float radius)
+		=> MarkerFor(null, position, radius);
+
+	/// <summary>
+	/// Draw a marker at the position with size radius,
+	/// using the specified player's style configurations.
+	/// </summary>
+	/// <param name="player"></param>
+	/// <param name="position"></param>
+	/// <param name="radius"></param>
+	/// <returns></returns>
+	IMarker MarkerFor(CCSPlayerController? player, Vector position, float radius);
+}

public/Jailbreak.Public/Mod/Lasers/ILine.cs

@@ -0,0 +1,12 @@
+using CounterStrikeSharp.API.Modules.Utils;
+
+namespace Jailbreak.Public.Mod.Draw;
+
+public interface ILine : IDrawable, IColorable
+{
+	/// <summary>
+	/// The second position that makes up this line.
+	/// The line will terminate here.
+	/// </summary>
+	Vector EndPosition { get; }
+}

public/Jailbreak.Public/Mod/Lasers/IMarker.cs

@@ -0,0 +1,8 @@
+namespace Jailbreak.Public.Mod.Draw;
+
+public interface IMarker : IDrawable, IColorable
+{
+	float Radius { get; }
+
+	void SetRadius(float radius);
+}

public/Jailbreak.Public/Mod/Lasers/IMarkerService.cs

@@ -0,0 +1,34 @@
+using System.Drawing;
+
+using CounterStrikeSharp.API.Core;
+
+namespace Jailbreak.Public.Mod.Draw;
+
+public interface IMarkerService
+{
+
+	/// <summary>
+	/// Grant this player the ability to use a marker
+	/// This persists until <see cref="TryDisable"/> is called.
+	/// Succeeds if the player already has marker permissions.
+	/// </summary>
+	/// <param name="player"></param>
+	/// <returns></returns>
+	bool TryEnable(CCSPlayerController player);
+
+	/// <summary>
+	/// Try to remove marker permissions from this player.
+	/// Succeeds if the player does not have marker permissions in the first place.
+	/// </summary>
+	/// <param name="player"></param>
+	/// <returns></returns>
+	bool TryDisable(CCSPlayerController player);
+
+	/// <summary>
+	/// Returns true if the specified player has marker privileges.
+	/// </summary>
+	/// <param name="player"></param>
+	/// <returns></returns>
+	bool IsEnabled(CCSPlayerController player);
+
+}

src/Jailbreak.Generic/PlayerState/PlayerStateImpl.cs

@@ -18,11 +18,24 @@ public class PlayerStateImpl<TState> : IPlayerState<TState>, ITrackedPlayerState
 
     public void Reset(CCSPlayerController controller)
     {
-        _states.Remove(controller.Slot);
+        ResetInternal(controller.Slot);
     }
 
     public void Drop()
     {
-        _states.Clear();
+        foreach (var (key, _) in _states)
+            ResetInternal(key);
     }
-}
+
+    private void ResetInternal(int slot)
+    {
+        var entry = _states[slot];
+
+        //  If the state is disposable,
+        //  give the plugin a nice clean place to cleanup the state here.
+        if (entry is IDisposable disposable)
+            disposable.Dispose();
+
+        _states.Remove(slot);
+    }
+}