feat: Support GravityHelper

WEGFan · Aug 26, 2022 · bb5e9d2 · bb5e9d2
1 parent 9282de2
commit bb5e9d2
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Showing 3 changed files with 19 additions and 0 deletions.
diff --git a/Code/Modules/CustomTrail.cs b/Code/Modules/CustomTrail.cs
@@ -1,4 +1,5 @@
 using System;
+using Celeste.Mod.Trailine.ThirdParty;
 using Microsoft.Xna.Framework;
 
 namespace Celeste.Mod.Trailine.Modules {
@@ -28,6 +29,9 @@ private static void On_Player_Update(On.Celeste.Player.orig_Update orig, Player
                     _ => Color.Transparent
                 };
                 Vector2 scale = new Vector2(Math.Abs(self.Sprite.Scale.X) * (float)self.Facing, self.Sprite.Scale.Y);
+                if (GravityHelperImports.IsPlayerInverted?.Invoke() ?? false) {
+                    scale.Y *= -1f;
+                }
                 TrailineTrailManager.Add(self, scale, color, Settings.TrailDuration);
             }
         }

diff --git a/Code/ThirdParty/GravityHelperImports.cs b/Code/ThirdParty/GravityHelperImports.cs
@@ -0,0 +1,11 @@
+using System;
+using MonoMod.ModInterop;
+
+namespace Celeste.Mod.Trailine.ThirdParty {
+    [ModImportName("GravityHelper")]
+    public static class GravityHelperImports {
+
+        public static Func<bool> IsPlayerInverted;
+
+    }
+}
diff --git a/Code/TrailineModule.cs b/Code/TrailineModule.cs
@@ -2,9 +2,11 @@
 using System.IO;
 using Celeste.Mod.Core;
 using Celeste.Mod.Trailine.Modules;
+using Celeste.Mod.Trailine.ThirdParty;
 using Celeste.Mod.Trailine.UI;
 using Celeste.Mod.Trailine.Utils;
 using Microsoft.Xna.Framework;
+using MonoMod.ModInterop;
 using YamlDotNet.Serialization;
 
 namespace Celeste.Mod.Trailine {
@@ -23,6 +25,8 @@ public TrailineModule() {
         public static bool Loaded = false;
 
         public override void Load() {
+            typeof(GravityHelperImports).ModInterop();
+
             if (Loaded || !Settings.Enabled) {
                 return;
             }