just a script for fixing broken familiar links between releases

scripts/fixfamiliars.lua

@@ -0,0 +1,30 @@
+require 'config'
+
+function write_fam(file)
+    for f in factions() do for u in f.units do if u.familiar then
+        file:write(u.id .. " " .. u.familiar.id .. "\n")
+    end end end
+end
+
+function read_fam(file)
+    m, f = file:read("*n", "*n")
+    while m and f do
+        mag = get_unit(m)
+        fam = get_unit(f)
+        if mag and fam then
+            mag.familiar = fam
+        end
+        m, f = file:read("*n", "*n")
+    end
+end
+
+eressea.read_game(get_turn()..".dat")
+file = io.open("familiars.txt", "r")
+if file then
+    read_fam(file)
+    eressea.write_game(get_turn()..".fix")
+else
+    file = io.open("familiars.txt", "w")
+    write_fam(file)
+end
+file:close()