From dbf0218371ce006b674b0ede8e6a4d97932ff2c6 Mon Sep 17 00:00:00 2001
From: Leonardo Bishop <me@leonardobishop.com>
Date: Tue, 1 Aug 2023 01:31:25 +0100
Subject: Add footprints

---
 code/pawn/Player.Character.cs                    | 11 ++++-
 code/pawn/Player.cs                              |  2 +
 code/pawn/component/FootprintTrackerComponent.cs | 51 ++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 2 deletions(-)
 create mode 100644 code/pawn/component/FootprintTrackerComponent.cs

(limited to 'code/pawn')

diff --git a/code/pawn/Player.Character.cs b/code/pawn/Player.Character.cs
index a8fc19c..579107a 100644
--- a/code/pawn/Player.Character.cs
+++ b/code/pawn/Player.Character.cs
@@ -5,10 +5,17 @@ namespace MurderGame;
 public partial class Player
 {
 	[Net] public Team Team { get; set; }
-	
+
 	[Net] public string CharacterName { get; set; }
 
-	[Net] public string HexColor { get; set; }
+	[Net] public Color Color { get; set; } = Color.White;
+	
+	public string HexColor {
+		get
+		{
+			return Color.Hex;	
+		}
+	}
 
 	public string GetTeamName()
 	{
diff --git a/code/pawn/Player.cs b/code/pawn/Player.cs
index 7073bb1..7254023 100644
--- a/code/pawn/Player.cs
+++ b/code/pawn/Player.cs
@@ -47,6 +47,7 @@ public partial class Player : AnimatedEntity
 	[BindComponent] public AnimatorComponent Animator { get; }
 	[BindComponent] public InventoryComponent Inventory { get; }
 	[BindComponent] public FallDamageComponent FallDamage { get; }
+	[BindComponent] public FootprintTrackerComponent FootprintTracker { get; }
 
 	[Net]
 	public Ragdoll PlayerRagdoll { get; set; }
@@ -179,6 +180,7 @@ public partial class Player : AnimatedEntity
 		Animator?.Simulate();
 		Inventory?.Simulate( cl );
 		FallDamage?.Simulate( cl );
+		FootprintTracker?.Simulate( cl );
 
 		if (Game.IsServer && Camera is not SpectatorCameraComponent && LifeState == LifeState.Dead && TimeSinceDeath > 3.5)
 		{
diff --git a/code/pawn/component/FootprintTrackerComponent.cs b/code/pawn/component/FootprintTrackerComponent.cs
new file mode 100644
index 0000000..7a396d1
--- /dev/null
+++ b/code/pawn/component/FootprintTrackerComponent.cs
@@ -0,0 +1,51 @@
+using System.Linq;
+using Sandbox;
+
+namespace MurderGame;
+
+public class FootprintTrackerComponent : EntityComponent<Player>, ISingletonComponent
+{ 
+	private TimeSince TimeSinceFootstep = 0;
+	private bool FootstepLeft = true;
+
+	public void Simulate( IClient cl )
+	{
+		if (!Game.IsClient || TimeSinceFootstep < 0.25) return;
+		TimeSinceFootstep = 0;
+		FootstepLeft = !FootstepLeft;
+		
+		var bystanders = Game.Clients.Where(c => (c.Pawn as Player)?.Team is Team.Bystander or Team.Detective);
+		
+		foreach (var bystander in bystanders)
+		{
+			if (bystander.Pawn is not Player player) continue;
+			if (player.Velocity.Length < 1) continue;
+			var start = player.Position + Vector3.Up;
+			var end = start + Vector3.Down * 20;
+			
+			var tr = Trace.Ray( start, end )
+				.Size( 2)
+				.WithAnyTags( "solid" )
+				.Ignore( Entity )
+				.Run();
+
+			if ( !tr.Hit )
+			{
+				continue;
+			}
+
+			var material = FootstepLeft
+				? "materials/left_shoe_footprint.vmat"
+				: "materials/right_shoe_footprint.vmat";
+			var _ = new Footprint
+			{
+				SpriteMaterial = Material.Load(material),
+				SpriteScale = 24f,
+				Position = player.Position + (Vector3.Up * 1f),
+				Rotation = Rotation.LookAt(player.Velocity, tr.Normal).RotateAroundAxis( tr.Normal, 270 ),
+				Color = player.Color
+			};
+		}
+	}
+	
+}
-- 
cgit v1.2.3-70-g09d2