From c70f9cf833482dbd0192a53bbfb21d9697c83667 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Mon, 2 Apr 2018 16:16:47 +0300
Subject: [PATCH] Reintroduced discarding of custom IWAD duplicates

Detection of duplicated IWADs now works the same for embedded and custom IWADINFO definitions

https://forum.zdoom.org/viewtopic.php?t=58333
---
 src/d_iwad.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/d_iwad.cpp b/src/d_iwad.cpp
index 4beab87124..67f15a60cd 100644
--- a/src/d_iwad.cpp
+++ b/src/d_iwad.cpp
@@ -348,6 +348,16 @@ int FIWadManager::CheckIWADInfo(const char *fn)
 					FIWADInfo result;
 					ParseIWadInfo(resfile->Filename, (const char*)lmp->CacheLump(), lmp->LumpSize, &result);
 					delete resfile;
+
+					for (unsigned i = 0, count = mIWadInfos.Size(); i < count; ++i)
+					{
+						if (mIWadInfos[i].Name == result.Name)
+						{
+							return i;
+						}
+					}
+
+					mOrderNames.Push(result.Name);
 					return mIWadInfos.Push(result);
 				}
 				catch (CRecoverableError &err)