1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#
# 20,000 Light Years Into Space
# This game is licensed under GPL v2, and copyright (C) Jack Whitham 2006-07.
#
import pickle, extra, os
HEADER_SIZE = 100
NUM_SLOTS = 10
def Make_Save_Name(num):
name = "save" + str(num) + ".dat"
home = extra.Get_Home()
if ( home == None ):
return name
else:
return os.path.join(home, ".lightyears." + name)
def Load(g, num):
name = Make_Save_Name(num)
try:
f = file(name, "rb")
header = f.read( HEADER_SIZE )
g2 = pickle.load(f)
f.close()
except Exception, x:
y = ("Error restoring file: " + repr(x) + str(x))
print y
return (None, y)
if ( g2.version != g.version ):
return (None, "Restore error: wrong version")
return (g2, None)
def Save(g, num, label):
l = len(label)
if ( l > HEADER_SIZE ):
label = label[ 0:HEADER_SIZE ]
else:
label += ( " " * ( HEADER_SIZE - l ))
name = Make_Save_Name(num)
try:
f = file(name, "wb")
f.write(label)
pickle.dump(g,f)
f.close()
except Exception, x:
return "Error saving file: " + repr(x) + str(x)
return None
def Get_Info(num):
name = Make_Save_Name(num)
label = ""
try:
f = file(name, "rb")
label = f.read( HEADER_SIZE )
f.close()
except Exception, x:
# File not found, probably.. who cares.
return None
if ( len(label) == 0 ):
return None
return label
|
