From 7ae255a553aa6c970bc2b68abbe395c42638aaca Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Tue, 16 Sep 2008 20:57:49 +0000
Subject: [PATCH] (svn r14348) -Fix (r1667): signs were not updated on company
 bankrupcy/sell, they have colour of invalid player

---
 src/economy.cpp | 6 ++++++
 src/openttd.cpp | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/src/economy.cpp b/src/economy.cpp
index a80ea602d7..8629fc270b 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -45,6 +45,7 @@
 #include "gfx_func.h"
 #include "autoreplace_func.h"
 #include "player_gui.h"
+#include "signs_base.h"
 
 #include "table/strings.h"
 #include "table/sprites.h"
@@ -467,6 +468,11 @@ void ChangeOwnershipOfPlayerItems(PlayerID old_player, PlayerID new_player)
 		}
 	}
 
+	Sign *si;
+	FOR_ALL_SIGNS(si) {
+		if (si->owner == old_player) si->owner = new_player == PLAYER_SPECTATOR ? OWNER_NONE : new_player;
+	}
+
 	/* Change color of existing windows */
 	if (new_player != PLAYER_SPECTATOR) ChangeWindowOwner(old_player, new_player);
 
diff --git a/src/openttd.cpp b/src/openttd.cpp
index 23c2b81ce2..1b690e2a2c 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -2560,6 +2560,13 @@ bool AfterLoadGame()
 		}
 	}
 
+	if (CheckSavegameVersion(103)) {
+		/* signs with invalid owner left from older savegames */
+		Sign *si;
+		FOR_ALL_SIGNS(si) {
+			if (si->owner != OWNER_NONE && !IsValidPlayerID(si->owner)) si->owner = OWNER_NONE;
+		}
+	}
 
 	GamelogPrintDebug(1);