Started new main menu

1 files changed, 47 insertions, 0 deletions

@@ -4,6 +4,10 @@ using AnodyneSharp.States;
 using AnodyneSharp;
 using HarmonyLib;
 using System.Reflection;
+using AnodyneSharp.Drawing.Effects;
+using AnodyneSharp.States.MainMenu;
+using static AnodyneSharp.AnodyneGame;
+using AnodyneSharp.Drawing;
 
 namespace AnodyneArchipelago.Patches
 {
@@ -16,6 +20,49 @@ namespace AnodyneArchipelago.Patches
         }
     }
 
+    [HarmonyPatch(typeof(AnodyneGame), "SetState")]
+    class SetStatePatch
+    {
+        // Pretty much rewrite this whole method, so that we can swap out some states.
+        static bool Prefix(AnodyneGame __instance, GameState state)
+        {
+            foreach (IFullScreenEffect effect in GlobalState.AllEffects)
+            {
+                effect.Deactivate();
+            }
+
+            State new_state = CreateState(__instance, state);
+
+            if (new_state != null)
+            {
+                new_state.Create();
+
+                MethodInfo setStateMethod = typeof(AnodyneGame).GetMethod("SetState", BindingFlags.NonPublic | BindingFlags.Instance);
+                new_state.ChangeStateEvent = (ChangeState)setStateMethod.CreateDelegate(typeof(ChangeState), __instance);
+            }
+
+            FieldInfo stateField = typeof(AnodyneGame).GetField("_currentState", BindingFlags.NonPublic | BindingFlags.Instance);
+            stateField.SetValue(__instance, new_state);
+
+            return false;
+        }
+
+        static State CreateState(AnodyneGame __instance, GameState state)
+        {
+            switch (state)
+            {
+                case GameState.TitleScreen: return new TitleState();
+                case GameState.MainMenu: return new Menu.MenuState();
+                case GameState.Intro: return new IntroState();
+                case GameState.Game:
+                    FieldInfo cameraField = typeof(AnodyneGame).GetField("_camera", BindingFlags.NonPublic | BindingFlags.Instance); 
+                    return new PlayState((Camera)cameraField.GetValue(__instance));
+                case GameState.Credits: return new CreditsState();
+                default: return null;
+            }
+        }
+    }
+
     [HarmonyPatch(typeof(PlayState), nameof(PlayState.Create))]
     class PlayStateCreatePatch
     {