-
Notifications
You must be signed in to change notification settings - Fork 1
/
pythonServer.py
339 lines (301 loc) · 14.8 KB
/
pythonServer.py
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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
import direct.directbase.DirectStart #starts Panda
from pandac.PandaModules import * #basic Panda modules
from direct.distributed.PyDatagram import PyDatagram #for packaging data
from direct.distributed.PyDatagramIterator import PyDatagramIterator #for unpacking data
from direct.showbase.DirectObject import DirectObject #for event handling
from direct.actor.Actor import Actor #for animated models
from direct.interval.IntervalGlobal import * #for compound intervals
from direct.task import Task #for update fuctions
from direct.gui.OnscreenText import OnscreenText
from w_loader import w_loader
from w_loader import spawn_locations
import collisions
import sys, math, random
PRINT_MESSAGE = 1
CAR_MESSAGE = 2
COLLIDED_MESSAGE = 3
NEW_PLAYER_MESSAGE = 4
PLAYER_ASSIGNMENT_MESSAGE = 5
BEGIN_MESSAGE = 6
END_MESSAGE = 7
MAP_MESSAGE = 8
def pairsort(list):
for i in range(len(list)):
for k in range(len(list) - i - 1):
if list[k][1] > list[k+1][1]:
temp = list[k]
list[k] = list[k+1]
list[k+1] = temp
return list
class Network(object):
def __init__(self, cars, time, map, players, playername):
self.carHitSound = base.loader.loadSfx("Sounds/CRASH2.wav")
self.startSound = base.loader.loadSfx("Sounds/ENGINESTART.wav")
self.time = time
self.map = map
self.players = players
self.playername = playername
self.playername += " (0)"
self.playerscores = []
self.timer = -1
world_loader = w_loader()
world_loader.load_world(map)
self.textWaitObject = OnscreenText(text="Waiting for players...", style=1, fg=(1,1,1,1), pos=(0.7,-0.95), scale = .07)
global spawn_locations
self.carData = cars
self.carData.spos = spawn_locations
self.carData.addCar()
self.carData.index = 0
self.carUpdates = [() for c in self.carData.carlist]
self.ignore = []
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager,0)
self.activeConnections = []
self.port_address = 9099 #No-other TCP/IP services are using this port
self.backlog = 1000 #If we ignore 1,000 connection attempts, something is wrong!
self.tcpSocket = self.cManager.openTCPServerRendezvous(self.port_address, self.backlog)
self.cListener.addConnection(self.tcpSocket)
taskMgr.add(self.tskListenerPolling,"Poll the connection listener",-39)
taskMgr.add(self.tskReaderPolling,"Poll the connection reader",-40)
def tskListenerPolling(self, taskdata):
# if a new connection is made, add it to the list
if self.cListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.cListener.getNewConnection(rendezvous,netAddress,newConnection):
newConnection = newConnection.p()
self.activeConnections.append(newConnection) # Remember connection
self.cReader.addConnection(newConnection) # Begin reading connection
return Task.cont
def tskReaderPolling(self, taskdata):
# every frame, read messages, and then send out updates to all clients
selfCarDatagram = self.getCarPosDatagramFromCar(self.carData.index) # add self to list of updates
self.myProcessDataFunction(selfCarDatagram)
# loop through all messages recieved
while self.cReader.dataAvailable():
datagram=NetDatagram() # catch the incoming data in this instance
if self.cReader.getData(datagram):
self.myProcessDataFunction(datagram) # handle the message
#send out car and collision messages
carPosDatagrams = self.getCarPosDatagrams()
collisionDatagrams = self.getCollisionDatagrams()
for aClient in self.activeConnections:
for data in carPosDatagrams:
self.cWriter.send(data, aClient)
for data in collisionDatagrams:
self.cWriter.send(data, aClient)
# start game if enough players have joined
if self.timer == -1 and self.carData.go == False and len(self.carData.carlist) >= self.players:
startDatagram = self.startDatagram()
for aClient in self.activeConnections:
self.cWriter.send(startDatagram, aClient)
self.carData.go = True
self.textWaitObject.destroy()
self.timer = taskdata.time
self.startSound.play()
# run collisions
for pair in self.carData.collisionlist:
if pair[0] < pair[1]:
if pair[0] == 0:
self.carHitSound.play()
collisions.collideCars(self.carData.carlist[pair[0]], self.carData.carlist[pair[1]])
# if time is up, end game and print scores
if self.timer >= 0 and taskdata.time > self.timer + self.time * 60:
if self.carData.go:
self.carData.go = False
self.playerscores.append((self.playername, self.carData.carlist[self.carData.index].deaths))
stopDatagram = self.stopDatagram()
for aClient in self.activeConnections:
self.cWriter.send(stopDatagram, aClient)
elif len(self.playerscores) >= len(self.carData.carlist) or (taskdata.time > self.timer + self.time * 60 + 15 and self.playerscores != []):
self.playerscores = pairsort(self.playerscores)
textytext = "Most Numerous Deaths:"
for pair in self.playerscores:
textytext += "\n\n%s: %d"%pair
self.textScore = OnscreenText(text=textytext, style=1, fg=(1,1,1,1), pos=(0,0.9), scale = .08)
scoreDatagram = self.scoreDatagram()
for aClient in self.activeConnections:
self.cWriter.send(scoreDatagram, aClient)
self.playerscores = []
self.carData.collisionlist = []
self.clearCarData() #This is to prevent redundant messages from being sent
return Task.cont
def myProcessDataFunction(self, netDatagram):
# check a message and do what it says
myIterator = PyDatagramIterator(netDatagram)
msgID = myIterator.getUint8()
if msgID == PRINT_MESSAGE: # This is a debugging message
messageToPrint = myIterator.getString()
print messageToPrint
elif msgID == CAR_MESSAGE: # This updates a car
carNum = myIterator.getUint8()
for num in self.ignore: # if the car message is out of date, ignore it
if num == carNum:
break
else: # else update the car
carXpos = myIterator.getFloat32()
carYpos = myIterator.getFloat32()
carXvel = myIterator.getFloat32()
carYvel = myIterator.getFloat32()
carHeading = myIterator.getFloat32()
carInput = []
for i in range(5):
carInput.append(myIterator.getBool())
carLights = myIterator.getBool()
carHp = myIterator.getInt32()
self.updatePositions(carNum, (carXpos, carYpos, carXvel, carYvel, carHeading, carInput, carLights, carHp))
elif msgID == NEW_PLAYER_MESSAGE: # This creates a new player
if len(self.carData.carlist) >= self.players:
self.cWriter.send(self.startDatagram(), netDatagram.getConnection())
self.cWriter.send(self.mapDatagram(), netDatagram.getConnection())
self.cWriter.send(self.addNewCar(), netDatagram.getConnection())
self.returnAllCars(netDatagram.getConnection())
elif msgID == COLLIDED_MESSAGE: # This verifies that a car has recieved its collision message and is now up to date
carNum = myIterator.getUint8()
self.ignore.remove(carNum)
elif msgID == END_MESSAGE: # This recieves a player score
self.playerscores.append((myIterator.getString(), myIterator.getInt32()))
def myNewPyDatagram(self):
# Send a test message
myPyDatagram = PyDatagram()
myPyDatagram.addUint8(PRINT_MESSAGE)
myPyDatagram.addString("Hello, world!")
return myPyDatagram
def startDatagram(self):
# Send a test message
myPyDatagram = PyDatagram()
myPyDatagram.addUint8(BEGIN_MESSAGE)
return myPyDatagram
def stopDatagram(self):
# Send a test message
myPyDatagram = PyDatagram()
myPyDatagram.addUint8(END_MESSAGE)
myPyDatagram.addInt32(-1)
return myPyDatagram
def scoreDatagram(self):
# Send a test message
myPyDatagram = PyDatagram()
myPyDatagram.addUint8(END_MESSAGE)
myPyDatagram.addInt32(len(self.playerscores))
for pair in self.playerscores:
myPyDatagram.addString(pair[0])
myPyDatagram.addInt32(pair[1])
return myPyDatagram
def mapDatagram(self):
# Send a test message
myPyDatagram = PyDatagram()
myPyDatagram.addUint8(MAP_MESSAGE)
myPyDatagram.addString(self.map)
return myPyDatagram
def updatePositions(self, carNum, data):
if len(self.carUpdates) > carNum:
self.carUpdates[carNum] = data
else:
for i in range(len(self.carUpdates),carNum+1):
self.carUpdates.append(())
self.carUpdates[carNum] = data
if len(self.carData.carlist) > carNum:
if carNum != self.carData.index:
self.carData.carlist[carNum].model.setPos(data[0], data[1], 0)
self.carData.carlist[carNum].vel.setXY(data[2], data[3])
self.carData.carlist[carNum].model.setH(data[4])
self.carData.carlist[carNum].input = data[5]
self.carData.carlist[carNum].setHeadlights(data[6])
self.carData.carlist[carNum].hp = data[7]
else:
for i in range(len(self.carData.carlist), carNum+1):
self.carData.addCar()
self.carData.carlist[carNum].model.setPos(data[0], data[1], 0)
self.carData.carlist[carNum].vel.setXY(data[2], data[3])
self.carData.carlist[carNum].model.setH(data[4])
self.carData.carlist[carNum].input = data[5]
self.carData.carlist[carNum].setHeadlights(data[6])
self.carData.carlist[carNum].hp = data[7]
def finalizeUpdates(self): #currently unused
for i in range(len(self.carUpdates)):
if self.carUpdates[i] != ():
if len(self.carData.carData) > i:
self.carData.carlist[i].model.setPos(self.carUpdates[i][0], self.carUpdates[i][1], 0)
self.carData.carlist[i].vel.setXY(self.carUpdates[i][2], self.carUpdates[i][3])
else:
for j in range(len(self.carData.carData), i+1):
self.carData.carData.append(())
self.carData.carData[i] = self.carUpdates[i]
def clearCarData(self):
self.carUpdates = [() for c in self.carData.carlist]
def getCarPosDatagrams(self):
# makes a list of datagrams for each car that updated this frame
myDatagrams = []
for i in range(len(self.carUpdates)):
if self.carUpdates[i] != ():
newDatagram = self.getCarPosDatagram(i, self.carUpdates[i])
myDatagrams.append(newDatagram)
return myDatagrams
def getCarPosDatagram(self, num, data):
# creates a car_message datagram from data
newDatagram = PyDatagram()
newDatagram.addUint8(CAR_MESSAGE)
newDatagram.addUint8(num)
for j in range(5):
newDatagram.addFloat32(float(data[j]))
for j in range(5):
newDatagram.addBool(data[5][j])
newDatagram.addBool(data[6])
newDatagram.addInt32(data[7])
return newDatagram
def getCarPosDatagramFromCar(self, num):
# creates a car_message datagram from the entry in carData (used to get new cars up to date)
newDatagram = PyDatagram()
newDatagram.addUint8(CAR_MESSAGE)
newDatagram.addUint8(num)
newDatagram.addFloat32(self.carData.carlist[num].model.getX())
newDatagram.addFloat32(self.carData.carlist[num].model.getY())
vel = self.carData.carlist[num].vel.getXY()
newDatagram.addFloat32(vel[0])
newDatagram.addFloat32(vel[1])
newDatagram.addFloat32(self.carData.carlist[num].model.getH())
for j in range(5):
newDatagram.addBool(self.carData.carlist[num].input[j])
newDatagram.addBool(self.carData.carlist[num].lightsOn)
newDatagram.addInt32(self.carData.carlist[num].hp)
return newDatagram
def getNewCarPosDatagram(self, num):
# same as getCarPosDatagramFromCar, but is a player_assignment_message
newDatagram = PyDatagram()
newDatagram.addUint8(PLAYER_ASSIGNMENT_MESSAGE)
newDatagram.addUint8(num)
newDatagram.addFloat32(self.carData.carlist[num].model.getX())
newDatagram.addFloat32(self.carData.carlist[num].model.getY())
vel = self.carData.carlist[num].vel.getXY()
newDatagram.addFloat32(vel[0])
newDatagram.addFloat32(vel[1])
newDatagram.addFloat32(self.carData.carlist[num].model.getH())
for j in range(5):
newDatagram.addBool(self.carData.carlist[num].input[j])
newDatagram.addBool(self.carData.carlist[num].lightsOn)
newDatagram.addInt32(self.carData.carlist[num].hp)
return newDatagram
def getCollisionDatagrams(self):
# returns a list of collision datagrams
myDatagrams = []
for data in self.carData.collisionlist:
newDatagram = PyDatagram()
newDatagram.addUint8(COLLIDED_MESSAGE)
newDatagram.addUint8(data[0])
newDatagram.addUint8(data[1])
myDatagrams.append(newDatagram)
if data[0] != 0:
self.ignore.append(data[0])
return myDatagrams
def returnAllCars(self, connection):
# sends a car_message for each car in carData to a new connection
carPosDatagrams = [self.getCarPosDatagramFromCar(i) for i in range(len(self.carData.carlist))]
for data in carPosDatagrams:
self.cWriter.send(data, connection)
def addNewCar(self):
num = len(self.carData.carlist)
self.carData.addCar()
return self.getNewCarPosDatagram(num)