From 82d076b87ddc91ff201c4fc7c9102bd6ac2703a4 Mon Sep 17 00:00:00 2001
From: Tianyi Cao <tc21@live.com>
Date: Tue, 6 Feb 2024 23:38:36 -0800
Subject: [PATCH] Add single player mode, enabled by default

---
 AquaMai/AquaMai.csproj  |  3 ++-
 AquaMai/Main.cs         |  1 +
 AquaMai/SinglePlayer.cs | 30 ++++++++++++++++++++++++++++++
 3 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 AquaMai/SinglePlayer.cs

diff --git a/AquaMai/AquaMai.csproj b/AquaMai/AquaMai.csproj
index 7fd4c82b..5800edb6 100644
--- a/AquaMai/AquaMai.csproj
+++ b/AquaMai/AquaMai.csproj
@@ -263,6 +263,7 @@
     <Compile Include="CutsceneSkipping.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Main.cs" />
+    <Compile Include="SinglePlayer.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/AquaMai/Main.cs b/AquaMai/Main.cs
index 79b646e5..d81b81e1 100644
--- a/AquaMai/Main.cs
+++ b/AquaMai/Main.cs
@@ -19,6 +19,7 @@ namespace AquaMai
         {
             MelonLogger.Msg("OnApplicationStart");
             HarmonyLib.Harmony.CreateAndPatchAll(typeof(CutsceneSkipping));
+            HarmonyLib.Harmony.CreateAndPatchAll(typeof(SinglePlayer));
         }
     }
 }
\ No newline at end of file
diff --git a/AquaMai/SinglePlayer.cs b/AquaMai/SinglePlayer.cs
new file mode 100644
index 00000000..e62018cc
--- /dev/null
+++ b/AquaMai/SinglePlayer.cs
@@ -0,0 +1,30 @@
+using System;
+using HarmonyLib;
+using UnityEngine;
+
+namespace AquaMai {
+    // Hides the 2p (right hand side) UI.
+    // Note: this is not my original work. I simply interpreted the code and rewrote it as a mod.
+    public class SinglePlayer {
+        [HarmonyPrefix]
+        [HarmonyPatch(typeof(Main.GameMain), "LateInitialize", new Type[] { typeof(MonoBehaviour), typeof(Transform), typeof(Transform) })]
+        public static bool LateInitialize(MonoBehaviour gameMainObject, ref Transform left, ref Transform right) 
+        {
+            left.transform.position = Vector3.zero;
+            right.localScale = Vector3.zero;
+            GameObject.Find("Mask").SetActive(false);
+
+            return true;
+        }
+
+        [HarmonyPrefix]
+        [HarmonyPatch(typeof(MeshButton), "IsPointInPolygon", new Type[] { typeof(Vector2[]), typeof(Vector2) })]
+        public static bool IsPointInPolygon(Vector2[] polygon, ref Vector2 point)
+        {
+            var screenWidth = Screen.width;
+            point = new Vector2(point.x - (screenWidth / 2), point.y);
+
+            return true;
+        }
+    }
+}