Make mapflags bitmask instead of bitfield

1 files changed, 51 insertions, 0 deletions

diff --git a/src/map/mapflag.py b/src/map/mapflag.py
new file mode 100644
index 0000000..181476c
--- /dev/null
+++ b/src/map/mapflag.py
@@ -0,0 +1,51 @@
+class MapFlags(object):
+    ''' print a set of map flags
+    '''
+    __slots__ = ('_value')
+    name = 'MapFlags'
+    enabled = True
+
+    def __init__(self, value):
+        self._value = value['flags']
+
+    def to_string(self):
+        i = int(self._value)
+        s = []
+        for n, v in [
+            ('ALIAS', 21),
+            ('NOMEMO', 0),
+            ('NOTELEPORT', 1),
+            ('NORETURN', 22),
+            ('MONSTER_NOTELEPORT', 23),
+            ('NOSAVE', 2),
+            ('NOBRANCH', 3),
+            ('NOPENALTY', 4),
+            ('PVP', 6),
+            ('PVP_NOPARTY', 7),
+            ('PVP_NOGUILD', 8),
+            ('PVP_NIGHTMAREDROP', 24),
+            ('PVP_NOCALCRANK', 25),
+            ('GVG', 9),
+            ('GVG_NOPARTY', 10),
+            ('NOZENYPENALTY', 5),
+            ('NOTRADE', 11),
+            ('NOSKILL', 12),
+            ('NOWARP', 13),
+            ('NOWARPTO', 26),
+            ('NOPVP', 14),
+            ('NOICEWALL', 15),
+            ('SNOW', 16),
+            ('FOG', 17),
+            ('SAKURA', 18),
+            ('LEAVES', 19),
+            ('RAIN', 20),
+            ('NO_PLAYER_DROPS', 27),
+            ('TOWN', 28),
+        ]:
+            v = 1 << v
+            if i & v:
+                i -= v
+                s.append(n)
+        if i or not s:
+            s.append('%#08x' % i)
+        return 'MapFlags(%s)' % (' | '.join(s))