From f137095304f456b06229e4d17ee8249e974fceaf Mon Sep 17 00:00:00 2001
From: Leonardo Bishop <me@leonardobishop.com>
Date: Fri, 28 Jul 2023 13:37:17 +0100
Subject: Add spectator mode

---
 code/pawn/PlayerSpectator.cs | 48 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 code/pawn/PlayerSpectator.cs

(limited to 'code/pawn/PlayerSpectator.cs')

diff --git a/code/pawn/PlayerSpectator.cs b/code/pawn/PlayerSpectator.cs
new file mode 100644
index 0000000..c468de0
--- /dev/null
+++ b/code/pawn/PlayerSpectator.cs
@@ -0,0 +1,48 @@
+using Sandbox;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace MurderGame;
+
+public class PlayerSpectator : EntityComponent<Player>
+{
+	public Player Target { get; set; }
+
+	public void Simulate()
+	{
+		if (Target == null || !Target.IsValid() || Target.LifeState == LifeState.Dead)
+		{
+			var targets = GetTargets();
+			if ( targets.Count == 0 )
+			{
+				Target = null;
+				return;
+			}
+			var nextTarget = targets.First();
+			Target = (Player)nextTarget.Pawn;
+		}
+	}
+
+	public void FrameSimulate( Player player )
+	{
+		if ( Target == null || !Target.IsValid() || Target.LifeState == LifeState.Dead ) return;
+
+		// SimulateRotation(player);
+		Camera.Rotation = Target.EyeRotation;
+		Camera.FieldOfView = Screen.CreateVerticalFieldOfView( Game.Preferences.FieldOfView );
+
+		Camera.FirstPersonViewer = Target;
+		Camera.Position = Target.EyePosition;
+	}
+
+	protected void SimulateRotation(Player player)
+	{
+		player.EyeRotation = Target.ViewAngles.ToRotation();
+		player.Rotation = Target.ViewAngles.WithPitch( 0f ).ToRotation();
+	}
+
+	public List<IClient> GetTargets()
+	{
+		return Game.Clients.Where(c => c.Pawn is Player player && player.CurrentTeam != Team.Spectator && player.LifeState == LifeState.Alive).ToList();
+	}
+}
-- 
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