From 57e9435d86dc54cb9a481e3f49d26da0330ea8fb Mon Sep 17 00:00:00 2001
From: Marukyu <defmenge@googlemail.com>
Date: Fri, 14 Oct 2016 21:37:36 +0200
Subject: [PATCH] Fixed some traps not rendering in dungeons saved with the
 in-game editor

---
 src/Client/LevelRenderer/ObjectAppearance.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Client/LevelRenderer/ObjectAppearance.cpp b/src/Client/LevelRenderer/ObjectAppearance.cpp
index b529cbf..e2ba787 100644
--- a/src/Client/LevelRenderer/ObjectAppearance.cpp
+++ b/src/Client/LevelRenderer/ObjectAppearance.cpp
@@ -385,6 +385,10 @@ std::vector<sf::Vertex> ObjectAppearanceManager::getObjectVertices(const Object&
 			return vertices;
 		}
 
+		// The in-game editor gives some objects a subtype of -1 to indicate that the property is unused.
+		// This workaround allows traps to remain visible in NecroEdit even after saving dungeons with them in-game.
+		variant = std::max(0, variant);
+
 		try
 		{
 			spriteData.nodeID = it->second.nodeIDs.at(variant);