Room PB ghosts are gold

Author: 0x0ade

GhostMod/Ghost.cs

@@ -12,6 +12,8 @@
 namespace Celeste.Mod.Ghost {
     public class Ghost : Actor {
 
+        public GhostManager Manager;
+
         public Player Player;
 
         public PlayerSprite Sprite;
@@ -27,7 +29,7 @@ public class Ghost : Actor {
 
         public GhostName Name;
 
-        protected Color color;
+        public Color Color = Color.White;
 
         protected float alpha;
         protected float alphaHair;
@@ -73,7 +75,12 @@ public void UpdateHair() {
             if (!Frame.HasData)
                 return;
 
-            Hair.Color = Frame.HairColor;
+            Hair.Color = new Color(
+                (Frame.HairColor.R * Color.R) / 255,
+                (Frame.HairColor.G * Color.G) / 255,
+                (Frame.HairColor.B * Color.B) / 255,
+                (Frame.HairColor.A * Color.A) / 255
+            );
             Hair.Alpha = alphaHair;
             Hair.Facing = Frame.Facing;
             Hair.SimulateMotion = Frame.HairSimulateMotion;
@@ -87,7 +94,12 @@ public void UpdateSprite() {
             Sprite.Rotation = Frame.Rotation;
             Sprite.Scale = Frame.Scale;
             Sprite.Scale.X = Sprite.Scale.X * (float) Frame.Facing;
-            Sprite.Color = Frame.Color * alpha;
+            Sprite.Color = new Color(
+                (Frame.Color.R * Color.R) / 255,
+                (Frame.Color.G * Color.G) / 255,
+                (Frame.Color.B * Color.B) / 255,
+                (Frame.Color.A * Color.A) / 255
+            ) * alpha;
 
             Sprite.Rate = Frame.SpriteRate;
             Sprite.Justify = Frame.SpriteJustify;
@@ -137,15 +149,6 @@ public override void Update() {
                 alphaHair = Calc.LerpClamp(GhostModule.Settings.InnerHairOpacityFactor, GhostModule.Settings.OuterHairOpacityFactor, dist);
             }
 
-            if (Data != null) {
-                /* Proposed colors:
-                 * blue - full run PB
-                 * silver - chapter PB
-                 * gold - room PB
-                 */
-                 // TODO: Ghost colors based on time.
-            }
-
             UpdateSprite();
             UpdateHair();
 

GhostMod/GhostManager.cs

@@ -0,0 +1,78 @@
+using FMOD.Studio;
+using Microsoft.Xna.Framework;
+using Monocle;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using YamlDotNet.Serialization;
+
+namespace Celeste.Mod.Ghost {
+    public class GhostManager : Entity {
+
+        public List<Ghost> Ghosts = new List<Ghost>();
+
+        public Player Player;
+
+        public readonly static Color ColorGold = new Color(1f, 1f, 0f, 1f);
+        public readonly static Color ColorNeutral = new Color(1f, 1f, 1f, 1f);
+
+        public GhostManager(Player player, Level level)
+            : base(Vector2.Zero) {
+            Player = player;
+
+            Tag = Tags.HUD;
+
+            // Read and add all ghosts.
+            GhostData.ForAllGhosts(level.Session, (i, ghostData) => {
+                Ghost ghost = new Ghost(player, ghostData);
+                level.Add(ghost);
+                Ghosts.Add(ghost);
+                return true;
+            });
+        }
+
+        public override void Removed(Scene scene) {
+            base.Removed(scene);
+
+            // Remove any dead ghosts (heh)
+            for (int i = Ghosts.Count - 1; i > -1; --i) {
+                Ghost ghost = Ghosts[i];
+                if (ghost.Player != Player)
+                    ghost.RemoveSelf();
+            }
+            Ghosts.Clear();
+        }
+
+        public override void Render() {
+            /* Proposed colors:
+             * blue - full run PB (impossible)
+             * silver - chapter PB (feasible)
+             * gold - room PB (done)
+             */
+
+            // Gold is the easiest: Find fastest active ghost.
+            Ghost fastest = null;
+            foreach (Ghost ghost in Ghosts) {
+                // While we're at it, reset all colors.
+                ghost.Color = ColorNeutral;
+
+                if (!ghost.Frame.HasData)
+                    continue;
+                
+                if (fastest == null || ghost.Data.Frames.Count < fastest.Data.Frames.Count) {
+                    fastest = ghost;
+                }
+            }
+
+            if (fastest != null) {
+                fastest.Color = ColorGold;
+            }
+
+            base.Render();
+        }
+
+    }
+}

GhostMod/GhostMod.csproj

@@ -64,6 +64,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="GhostManager.cs" />
     <Compile Include="GhostName.cs" />
     <Compile Include="GhostInputReplayer.cs" />
     <Compile Include="GhostRecorder.cs" />

GhostMod/GhostModule.cs

@@ -21,7 +21,7 @@ public class GhostModule : EverestModule {
 
         public static string PathGhosts { get; internal set; }
 
-        public List<Ghost> Ghosts = new List<Ghost>();
+        public GhostManager GhostManager;
         public GhostRecorder GhostRecorder;
 
         public Guid Run;
@@ -49,7 +49,8 @@ public override void Unload() {
 
         public void OnLoadLevel(Level level, Player.IntroTypes playerIntro, bool isFromLoader) {
             if (isFromLoader) {
-                Ghosts.Clear();
+                GhostManager?.RemoveSelf();
+                GhostManager = null;
                 GhostRecorder?.RemoveSelf();
                 GhostRecorder = null;
                 Run = Guid.NewGuid();
@@ -82,21 +83,9 @@ public void Step(Level level) {
                 GhostRecorder.Data.Write();
             }
 
-            // Remove any dead ghosts (heh)
-            for (int i = Ghosts.Count - 1; i > -1; --i) {
-                Ghost ghost = Ghosts[i];
-                if (ghost.Player != player)
-                    ghost.RemoveSelf();
-            }
-            Ghosts.Clear();
-
-            // Read and add all ghosts.
-            GhostData.ForAllGhosts(level.Session, (i, ghostData) => {
-                Ghost ghost = new Ghost(player, ghostData);
-                level.Add(ghost);
-                Ghosts.Add(ghost);
-                return true;
-            });
+            GhostManager?.RemoveSelf();
+
+            level.Add(GhostManager = new GhostManager(player, level));
 
             if (GhostRecorder != null)
                 GhostRecorder.RemoveSelf();