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# CFMapTransformer.py - CFMapTransformer class
#
# Copyright (C) 2007 David Delbecq
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# The author can be reached via e-mail at tchize+cfpython@gmail.com
#
# Small helper class. Instanciate with
# transform = CFMapTransformer(key)
# or
# transform = CFMapTransformer(key, map)
# default map value is to use The map of current event.
#
# The key is used to keep track of transform. Different transforms
# on same map should use different key to prevent mixup
# transformAll(criteria,whatTo)
# criteria can be a single String or a list,
# whatTo can be a single String or a list.
# This will scan the whole map for item's whose
# "name" are in the list of criteria and transform
# the to one of the whatTo objects, choosen randomly.
# original object is kept in inventory of newly created
# item and can be restored from there
# untransformAll()
# this no argument method cancel all changes that have been
# made by transformAll
import Crossfire
import random
def GetObjectMap(o):
while (o.Env):
o=o.Env
if (o.Map):
return o.Map
return None
def MakeIdentifier(key):
m = Crossfire.CreateObjectByName("force")
m.Name= key
m.Speed=0
return m
class CFMapTransformer:
key = None
cfmap = None
def __init__(self,key,cfmap=None):
self.key=key
if (cfmap):
self.cfmap=cfmap
else:
o = Crossfire.WhoAmI()
while (o.Env):
o = o.Env
self.cfmap = o.Map
def transformAll(self, criteria, whatTo):
if (not isinstance (criteria,list)):
criteria = [criteria]
for x in range (self.cfmap.Width):
for y in range (self.cfmap.Height):
top = self.cfmap.ObjectAt(x,y)
while (top):
#print "testing %s at (%d %d) for match against criteria %s" %(top.Name,x,y,criteria)
next = top.Above
if (set([top.Name]) & set (criteria) ):
#print "matched"
#do the replace
if isinstance(whatTo,list):
ob = Crossfire.CreateObjectByName(whatTo[random.randint(0,len(whatTo)-1)])
else:
ob = Crossfire.CreateObjectByName(whatTo)
force = MakeIdentifier(self.key)
force.InsertInto(ob)
top.InsertInto(ob)
ob.Pickable=False
self.cfmap.Insert(ob,x,y)
#handle living stuff by freezing them
force.WriteKey("inside_speed","%f" %top.Speed,1)
top.Speed = 0
top=next
def untransformAll(self):
for x in range(self.cfmap.Width):
for y in range(self.cfmap.Height):
top = self.cfmap.ObjectAt(x,y)
while (top):
#print "checking at (%d,%d) if %s need a restore" %(x,y,top.Name)
next = top.Above
match = False
inv = top.Inventory
torestore = None
while(inv):
#print " checking inventory item %s" %inv.Name
if (inv.Type == Crossfire.Type.FORCE) and (inv.Name == self.key):
oldspeed = float(inv.ReadKey("inside_speed"))
#print "i found the force, luke"
match = True
elif (inv.Type != Crossfire.Type.EVENT_CONNECTOR):
#print "found what to restore"
torestore = inv
inv = inv.Below
if match and (torestore != None):
#print "found something to restore"
torestore.Speed = oldspeed
self.cfmap.Insert(torestore,x,y)
top.Remove()
top=next
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