From 0fccf5fd232aabe4be9a04f0259bb3c3f78a6147 Mon Sep 17 00:00:00 2001
From: Thomas Christlieb <thomaschristlieb@hotmail.com>
Date: Thu, 14 Oct 2021 13:21:08 +0200
Subject: [PATCH] make sure do not save more then 32 lightsources for
 compatibility reasons

---
 Source/loadsave.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Source/loadsave.cpp b/Source/loadsave.cpp
index 38d2e11f647e..c07a5a2a8803 100644
--- a/Source/loadsave.cpp
+++ b/Source/loadsave.cpp
@@ -1937,11 +1937,14 @@ void SaveGameData()
 		for (int i = 0; i < ActiveObjectCount; i++)
 			SaveObject(file, Objects[ActiveObjects[i]]);
 
-		file.WriteBE<int32_t>(ActiveLightCount);
+		/* We can't save more then 32 lightsources for compatibility reasons */
+		int saveLightSources = ActiveLightCount > 32 ? 32 : ActiveLightCount;
+
+		file.WriteBE<int32_t>(saveLightSources);
 
 		for (uint8_t lightId : ActiveLights)
 			file.WriteLE<uint8_t>(lightId);
-		for (int i = 0; i < ActiveLightCount; i++)
+		for (int i = 0; i < saveLightSources; i++)
 			SaveLighting(&file, &Lights[ActiveLights[i]]);
 
 		file.WriteBE<int32_t>(VisionId);