From 43422a06194e9b4344af350fb596cc4c3caef5d8 Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Sat, 26 Apr 2008 16:45:39 +0000
Subject: [PATCH] fix for duplicate astral plane

---
 src/common/kernel/save.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/common/kernel/save.c b/src/common/kernel/save.c
index 98d344fce..db8143b51 100644
--- a/src/common/kernel/save.c
+++ b/src/common/kernel/save.c
@@ -1609,8 +1609,14 @@ readgame(const char * filename, int mode, int backup)
   planes = NULL;
   n = store->r_int(store);
   while(--n >= 0) {
-    plane *pl = calloc(1, sizeof(plane));
-    pl->id = store->r_int(store);
+    int id = store->r_int(store);
+    plane *pl = getplanebyid(id);
+    if (pl==NULL) {
+      calloc(1, sizeof(plane));
+    } else {
+      log_warning(("the plane with id=%d already exists.\n", id));
+    }
+    pl->id = id;
     pl->name = store->r_str(store);
     pl->minx = (short)store->r_int(store);
     pl->maxx = (short)store->r_int(store);