From 7cc6031dc112f72698d60e4e42453cb9bef09351 Mon Sep 17 00:00:00 2001
From: Leonardo Bishop <me@leonardobishop.com>
Date: Mon, 31 Jul 2023 02:59:08 +0100
Subject: Add looking at info

---
 code/pawn/Player.cs                   | 25 +++++++++++++++
 code/ui/Hud.razor                     |  1 +
 code/ui/character/LookingAtInfo.razor | 57 +++++++++++++++++++++++++++++++++++
 3 files changed, 83 insertions(+)
 create mode 100644 code/ui/character/LookingAtInfo.razor

diff --git a/code/pawn/Player.cs b/code/pawn/Player.cs
index 1d87d94..7073bb1 100644
--- a/code/pawn/Player.cs
+++ b/code/pawn/Player.cs
@@ -60,6 +60,8 @@ public partial class Player : AnimatedEntity
 	[Net, Predicted]
 	public TimeSince TimeSinceDeath { get; set; } = 0;
 	
+	public Player LookingAt { get; set; }
+	
 	public override void Spawn()
 	{
 		SetModel( "models/citizen/citizen.vmdl" );
@@ -189,6 +191,29 @@ public partial class Player : AnimatedEntity
 			Components.Create<SpectatorCameraComponent>();
 		}
 
+		if ( Game.IsClient )
+		{
+			var start = AimRay.Position;
+			var end = AimRay.Position + AimRay.Forward * 5000;
+			
+			var trace = Trace.Ray( start, end )
+					.UseHitboxes()
+					.WithAnyTags( "solid", "livingplayer" )
+					.Ignore( this )
+					.Size( 1f );
+			
+			var tr = trace.Run();
+			if ( tr.Hit && tr.Entity.IsValid() && tr.Entity is Player player )
+			{
+				LookingAt = player;
+			}
+			else
+			{
+				LookingAt = null;
+			}
+		}
+			
+
 	}
 
 	public override void BuildInput()
diff --git a/code/ui/Hud.razor b/code/ui/Hud.razor
index 9fcdfdc..d6fe5b6 100644
--- a/code/ui/Hud.razor
+++ b/code/ui/Hud.razor
@@ -14,6 +14,7 @@
     <BlindedOverlay/>
     <RoleOverlay/>
     <DeathOverlay/>
+    <LookingAtInfo/>
     <ChatBox/>
     <VoiceList/>
     <PhaseTimer/>
diff --git a/code/ui/character/LookingAtInfo.razor b/code/ui/character/LookingAtInfo.razor
new file mode 100644
index 0000000..4a54b81
--- /dev/null
+++ b/code/ui/character/LookingAtInfo.razor
@@ -0,0 +1,57 @@
+@using Sandbox;
+@using Sandbox.UI;
+@using System;
+
+@namespace MurderGame
+@inherits Panel
+
+<style>
+lookingatinfo {
+	top: 0;
+	left: 0;
+	width: 100vw;
+	height: 100vh;
+	position: absolute;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	flex-direction: column;
+}
+.box {
+	/* backdrop-filter-blur: 8px; 
+	 background-color: rgba(0, 0, 0, 0.20);
+	 padding: 10px;
+	 color: white; */
+	font-weight: 700;
+	font-size: 25px;
+	font-family: "Roboto";
+	margin-top: 60px;
+}
+.text {
+	text-shadow: 1px 1px 0px 0px rgba(0,0,0,0.75);
+}
+</style>
+
+<div class="box" style="color: @GetLookingAtColour()">
+	<span class="text">@GetLookingAtName()</span>
+</div>
+
+@code
+{
+	public string GetLookingAtName()
+	{
+		if (Game.LocalPawn is not Player player) return "";
+		return player.LookingAt is not { } lookingAt ? "" : lookingAt.CharacterName;
+	}
+	
+	public string GetLookingAtColour()
+	{
+		if (Game.LocalPawn is not Player player) return "white";
+		return player.LookingAt is not { } lookingAt ? "white" : lookingAt.HexColor;
+	}
+
+	protected override int BuildHash()
+	{
+		return GetLookingAtName().GetHashCode();
+	}
+}
-- 
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