Fix a crash occuring in the Lord Wants Rival Captured quest (#395)

src/CommunityPatch/Patches/Quests/LordWantsRivalCapturedQuestPatch.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using TaleWorlds.CampaignSystem;
+using TaleWorlds.Library;
+using TaleWorlds.Localization;
+using static HarmonyLib.AccessTools;
+
+namespace CommunityPatch.Patches.Quests {
+
+  [PatchNotBefore(ApplicationVersionType.EarlyAccess, 1, 4, 2)]
+  public class LordWantsRivalCapturedQuestPatch : PatchBase<LordWantsRivalCapturedQuestPatch> {
+
+    public static readonly byte[][] Hashes = {
+      new byte[] {
+        // e1.4.2.231952
+        0x2B, 0x96, 0x7F, 0xA2, 0x14, 0x52, 0x67, 0xA8,
+        0x9C, 0xDA, 0x6E, 0x67, 0x32, 0xD7, 0x0D, 0x2D,
+        0x77, 0x25, 0x08, 0x19, 0xAB, 0xCF, 0x09, 0x06,
+        0xC2, 0x20, 0x8D, 0x71, 0xF2, 0x8C, 0x1F, 0x46
+      }
+    };
+
+    private static readonly Type LordWantsRivalCapturedIssueBehaviorType =
+      Type.GetType("TaleWorlds.CampaignSystem.SandBox.Issues.LordWantsRivalCapturedIssueBehavior, TaleWorlds.CampaignSystem, Version=1.0.0.0, Culture=neutral", false);
+
+    private static readonly Type LordWantsRivalCapturedIssueQuestType =
+      Inner(LordWantsRivalCapturedIssueBehaviorType, "LordWantsRivalCapturedIssueQuest");
+
+    private static readonly MethodInfo GetWarDeclaredQuestLog = PropertyGetter(LordWantsRivalCapturedIssueQuestType, "_warDeclaredQuestLog");
+
+    public LordWantsRivalCapturedQuestPatch() {
+      if (GetWarDeclaredQuestLog == null)
+        return;
+
+      var patchMethodInfo = typeof(LordWantsRivalCapturedQuestPatch).GetMethod(nameof(GetWarDeclaredQuestLogPrefix), all);
+      PatchedMethodsInfo[GetWarDeclaredQuestLog] = new List<(string, MethodInfo)> { ("Prefix", patchMethodInfo) };
+    }
+
+    private static bool GetWarDeclaredQuestLogPrefix(QuestBase __instance, ref TextObject __result) {
+      if (__instance?.QuestGiver?.MapFaction?.Name != null) {
+        __result = new TextObject("{=cKz1cyuM}Your clan is now at war with {QUEST_GIVER_FACTION}. Quest is cancelled.");
+        __result.SetTextVariable("QUEST_GIVER_FACTION", __instance.QuestGiver.MapFaction.Name);
+        return false;
+      }
+
+      if (__instance?.QuestGiver?.Clan?.Name != null) {
+        __result = new TextObject("{=cKz1cyuM}Your clan is now at war with {QUEST_GIVER_CLAN}. Quest is cancelled.");
+        __result.SetTextVariable("QUEST_GIVER_CLAN", __instance.QuestGiver.Clan.Name);
+        return false;
+      }
+
+      __result = new TextObject("{=cKz1cyuM}Your clan is now at war with the quest giver. Quest is cancelled.");
+      return false;
+    }
+
+  }
+
+}
+