3 files changed, 109 insertions, 0 deletions
diff --git a/code/pawn/component/camera/BaseCameraComponent.cs b/code/pawn/component/camera/BaseCameraComponent.cs
new file mode 100644
index 0000000..be310c8
--- /dev/null
+++ b/code/pawn/component/camera/BaseCameraComponent.cs
@@ -0,0 +1,20 @@
+using Sandbox;
+
+namespace MurderGame;
+
+public class BaseCameraComponent : EntityComponent<Player>, ISingletonComponent
+{
+
+	public virtual void Simulate( IClient cl )
+	{
+
+	}
+	public virtual void FrameSimulate( IClient cl )
+	{
+
+	}
+	public virtual void BuildInput()
+	{
+
+	}
+}
diff --git a/code/pawn/component/camera/PlayerCameraComponent.cs b/code/pawn/component/camera/PlayerCameraComponent.cs
new file mode 100644
index 0000000..5011c67
--- /dev/null
+++ b/code/pawn/component/camera/PlayerCameraComponent.cs
@@ -0,0 +1,48 @@
+using Sandbox;
+
+namespace MurderGame;
+
+public class PlayerCameraComponent : BaseCameraComponent
+{
+	protected override void OnActivate()
+	{
+		base.OnActivate();
+		// Set field of view to whatever the user chose in options
+		Camera.FieldOfView = Screen.CreateVerticalFieldOfView( Game.Preferences.FieldOfView );
+	}
+	public override void FrameSimulate( IClient cl )
+	{
+
+		var pl = Entity as Player;
+		// Update rotation every frame, to keep things smooth  
+
+		if (pl.PlayerRagdoll != null && pl.LifeState == LifeState.Dead)
+		{
+			Camera.Position = pl.PlayerRagdoll.Position;
+			Camera.FirstPersonViewer = pl.PlayerRagdoll;
+			return;
+		}
+
+		pl.EyeRotation = pl.ViewAngles.ToRotation();
+
+		Camera.Position = pl.EyePosition;
+		Camera.Rotation = pl.ViewAngles.ToRotation();
+
+		Camera.Main.SetViewModelCamera( Screen.CreateVerticalFieldOfView( Game.Preferences.FieldOfView ) );
+
+		// Set the first person viewer to this, so it won't render our model
+		Camera.FirstPersonViewer = Entity;
+
+		Camera.ZNear = 8 * pl.Scale;
+	}
+	public override void BuildInput()
+	{
+		if ( Game.LocalClient.Components.TryGet<DevCamera>( out var _ ) )
+			return;
+
+		var pl = Entity as Player;
+		var viewAngles = (pl.ViewAngles + Input.AnalogLook).Normal;
+		pl.ViewAngles = viewAngles.WithPitch( viewAngles.pitch.Clamp( -89f, 89f ) );
+		return;
+	}
+}
diff --git a/code/pawn/component/camera/SpectatorCameraComponent.cs b/code/pawn/component/camera/SpectatorCameraComponent.cs
new file mode 100644
index 0000000..f81e186
--- /dev/null
+++ b/code/pawn/component/camera/SpectatorCameraComponent.cs
@@ -0,0 +1,41 @@
+using Sandbox;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace MurderGame;
+
+public class SpectatorCameraComponent : BaseCameraComponent
+{
+	public Player Target { get; set; }
+
+	public override void Simulate( IClient cl )
+	{
+		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 override void FrameSimulate( IClient cl )
+	{
+		if ( Target == null || !Target.IsValid() || Target.LifeState == LifeState.Dead ) return;
+
+		Camera.Rotation = Target.EyeRotation;
+		Camera.FieldOfView = Screen.CreateVerticalFieldOfView( Game.Preferences.FieldOfView );
+
+		Camera.FirstPersonViewer = Target;
+		Camera.Position = Target.EyePosition;
+	}
+
+	private List<IClient> GetTargets()
+	{
+		return Game.Clients.Where(c => c.Pawn is Player player && player.CurrentTeam != Team.Spectator && player.LifeState == LifeState.Alive).ToList();
+	}
+}