From 8e33ce61d93beaf575dbf1b756a62e311f440640 Mon Sep 17 00:00:00 2001
From: Stefan Beller <stefanbeller@googlemail.com>
Date: Sun, 21 Aug 2011 20:00:41 +0200
Subject: Adding files as in http://dl.dropbox.com/u/1539068/Tradey.tar.bz2

---
 utils.py | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 utils.py

(limited to 'utils.py')

diff --git a/utils.py b/utils.py
new file mode 100644
index 0000000..3215457
--- /dev/null
+++ b/utils.py
@@ -0,0 +1,115 @@
+from xml.etree.ElementTree import ElementTree
+from player import Item
+
+import struct
+import time
+import mutex
+import threading
+from net.packet_out import *
+
+# Process a recieved ip address.
+def parse_ip(a):
+    return "%s.%s.%s.%s" % ((a % 256),((a >> 8) % 256),((a >> 16) % 256),((a >> 24) % 256))
+
+# Remove colors from a message
+def remove_colors(msg):
+    if len(msg) > 2:
+        for f in range(len(msg)-2):
+	    while (len(msg) > f + 2) and (msg[f] == "#")\
+		and (msg[f+1] == "#"):
+		msg = msg[0:f]+msg[f+3:]
+    return msg
+
+# Encode string - used with 4144 shop compatibility.
+def encode_str(value, size):
+    output = ''
+    base = 94
+    start = 33
+    while value:
+	output += struct.pack('<B', value % base + start)
+	value /= base
+
+    while len(output) < size:
+	output += struct.pack('<B', start)
+    
+    return output
+
+class ItemDB:
+    """
+    A simple class to look up information from the items.xml file.
+    """
+    def __init__(self):
+	print "Loading ItemDB"
+        self.item_names = {}
+        self.itemdb_file = ElementTree()
+        self.itemdb_file.parse("data/items.xml")
+
+        for item in self.itemdb_file.getroot():
+            if item.get('id') > 500:
+	        item_struct = Item()
+		item_struct.name = item.get('name')
+		if item.get('weight'):
+		    item_struct.weight = item.get('weight')
+		item_struct.description = item.get('description')
+                self.item_names[int(item.get('id'))] = item_struct
+
+    def getItem(self, item_id):
+	return self.item_names[item_id]
+
+    def findId(self, name):
+	for item_id in self.item_names:
+	    if self.item_names[item_id].name == name:
+		return item_id
+	return -10 #Not found
+
+class ItemLog:
+    """ Writes all sales to a log file, for later processing."""
+    def __init__(self):
+        self.log_file = 'logs/sale.log'
+
+    def add_item(self, item_id, amount, price):
+        file_node = open(self.log_file, 'a')
+	file_node.write(str(item_id)+" "+str(amount)+" "+str(price)+" "+str(time.time())+"\n")
+	file_node.close()
+
+class TraderState:
+    """ Stores information regarding a trade request"""
+    def __init__(self):
+	self.Trading = mutex.mutex()
+	self.item = 0
+	self.money = 0
+	self.complete = 0
+        self.timer = 0
+
+    def reset(self):
+	self.Trading.unlock()
+	self.item = 0
+	self.complete = 0
+	self.money = 0
+        self.timer = 0
+
+class Broadcast:
+    """Send a message to the server every 5 minutes to avoid a timeout."""
+
+    def __init__(self):
+	self.mapserv = 0
+	self.Active = False
+	self.Timer = 0
+	self.shop_broadcast = threading.Thread(target=self.send_broadcast, args=())
+
+    def send_broadcast(self):
+	while self.Active:
+	    if (time.time() - self.Timer) > 5 * 60:
+	        self.mapserv.sendall(emote(193))
+		self.Timer = time.time()
+		print "shop_broadcast"
+	    else:
+		time.sleep(0.1)
+
+    def start(self):
+	self.Active = True
+	self.shop_broadcast.start()
+
+    def stop(self):
+	self.Active = False
+	self.shop_broadcast.join()
-- 
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