temporarily restore Harmony 1.x support with compile flag (#711)

1 files changed, 91 insertions, 3 deletions

diff --git a/src/SMAPI/Patches/DialogueErrorPatch.cs b/src/SMAPI/Patches/DialogueErrorPatch.cs
index cddf29d6..8043eda3 100644
--- a/src/SMAPI/Patches/DialogueErrorPatch.cs
+++ b/src/SMAPI/Patches/DialogueErrorPatch.cs
@@ -1,11 +1,16 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using HarmonyLib;
-using StardewModdingAPI.Framework;
 using StardewModdingAPI.Framework.Patching;
 using StardewModdingAPI.Framework.Reflection;
 using StardewValley;
+#if HARMONY_2
+using HarmonyLib;
+using StardewModdingAPI.Framework;
+#else
+using System.Reflection;
+using Harmony;
+#endif
 
 namespace StardewModdingAPI.Patches
 {
@@ -47,6 +52,7 @@ namespace StardewModdingAPI.Patches
 
         /// <summary>Apply the Harmony patch.</summary>
         /// <param name="harmony">The Harmony instance.</param>
+#if HARMONY_2
         public void Apply(Harmony harmony)
         {
             harmony.Patch(
@@ -58,11 +64,24 @@ namespace StardewModdingAPI.Patches
                 finalizer: new HarmonyMethod(this.GetType(), nameof(DialogueErrorPatch.Finalize_NPC_CurrentDialogue))
             );
         }
-
+#else
+        public void Apply(HarmonyInstance harmony)
+        {
+            harmony.Patch(
+                original: AccessTools.Constructor(typeof(Dialogue), new[] { typeof(string), typeof(NPC) }),
+                prefix: new HarmonyMethod(this.GetType(), nameof(DialogueErrorPatch.Before_Dialogue_Constructor))
+            );
+            harmony.Patch(
+                original: AccessTools.Property(typeof(NPC), nameof(NPC.CurrentDialogue)).GetMethod,
+                prefix: new HarmonyMethod(this.GetType(), nameof(DialogueErrorPatch.Before_NPC_CurrentDialogue))
+            );
+        }
+#endif
 
         /*********
         ** Private methods
         *********/
+#if HARMONY_2
         /// <summary>The method to call after the Dialogue constructor.</summary>
         /// <param name="__instance">The instance being patched.</param>
         /// <param name="masterDialogue">The dialogue being parsed.</param>
@@ -102,5 +121,74 @@ namespace StardewModdingAPI.Patches
 
             return null;
         }
+#else
+
+        /// <summary>The method to call instead of the Dialogue constructor.</summary>
+        /// <param name="__instance">The instance being patched.</param>
+        /// <param name="masterDialogue">The dialogue being parsed.</param>
+        /// <param name="speaker">The NPC for which the dialogue is being parsed.</param>
+        /// <returns>Returns whether to execute the original method.</returns>
+        private static bool Before_Dialogue_Constructor(Dialogue __instance, string masterDialogue, NPC speaker)
+        {
+            // get private members
+            bool nameArraysTranslated = DialogueErrorPatch.Reflection.GetField<bool>(typeof(Dialogue), "nameArraysTranslated").GetValue();
+            IReflectedMethod translateArraysOfStrings = DialogueErrorPatch.Reflection.GetMethod(typeof(Dialogue), "TranslateArraysOfStrings");
+            IReflectedMethod parseDialogueString = DialogueErrorPatch.Reflection.GetMethod(__instance, "parseDialogueString");
+            IReflectedMethod checkForSpecialDialogueAttributes = DialogueErrorPatch.Reflection.GetMethod(__instance, "checkForSpecialDialogueAttributes");
+            IReflectedField<List<string>> dialogues = DialogueErrorPatch.Reflection.GetField<List<string>>(__instance, "dialogues");
+
+            // replicate base constructor
+            if (dialogues.GetValue() == null)
+                dialogues.SetValue(new List<string>());
+
+            // duplicate code with try..catch
+            try
+            {
+                if (!nameArraysTranslated)
+                    translateArraysOfStrings.Invoke();
+                __instance.speaker = speaker;
+                parseDialogueString.Invoke(masterDialogue);
+                checkForSpecialDialogueAttributes.Invoke();
+            }
+            catch (Exception baseEx) when (baseEx.InnerException is TargetInvocationException invocationEx && invocationEx.InnerException is Exception ex)
+            {
+                string name = !string.IsNullOrWhiteSpace(speaker?.Name) ? speaker.Name : null;
+                DialogueErrorPatch.MonitorForGame.Log($"Failed parsing dialogue string{(name != null ? $" for {name}" : "")}:\n{masterDialogue}\n{ex}", LogLevel.Error);
+
+                parseDialogueString.Invoke("...");
+                checkForSpecialDialogueAttributes.Invoke();
+            }
+
+            return false;
+        }
+
+        /// <summary>The method to call instead of <see cref="NPC.CurrentDialogue"/>.</summary>
+        /// <param name="__instance">The instance being patched.</param>
+        /// <param name="__result">The return value of the original method.</param>
+        /// <param name="__originalMethod">The method being wrapped.</param>
+        /// <returns>Returns whether to execute the original method.</returns>
+        private static bool Before_NPC_CurrentDialogue(NPC __instance, ref Stack<Dialogue> __result, MethodInfo __originalMethod)
+        {
+            const string key = nameof(Before_NPC_CurrentDialogue);
+            if (!PatchHelper.StartIntercept(key))
+                return true;
+
+            try
+            {
+                __result = (Stack<Dialogue>)__originalMethod.Invoke(__instance, new object[0]);
+                return false;
+            }
+            catch (TargetInvocationException ex)
+            {
+                DialogueErrorPatch.MonitorForGame.Log($"Failed loading current dialogue for NPC {__instance.Name}:\n{ex.InnerException ?? ex}", LogLevel.Error);
+                __result = new Stack<Dialogue>();
+                return false;
+            }
+            finally
+            {
+                PatchHelper.StopIntercept(key);
+            }
+        }
+#endif
     }
 }