def renderShip(ship):
glTranslate(*ship.position + [0])
with glMatrix():
glRotatef(ship.alignment * 360, 0, 0, 1)
with glPrimitive(GL_POLYGON):
glColor(*ship.color)
glVertex2f(1, 0)
glVertex2f(-1, 0.5)
glVertex2f(-0.5, 0)
glVertex2f(-1, -0.5)
with glPrimitive(GL_LINE_STRIP):
for i in frange(0, ship.hull / 10000., 0.05):
glColor(i, 1.0 - i, 0, 0.5)
glVertex2f(sin(i * 2 * pi) * 2.2, cos(i * 2 * pi) * 2.2)
if ship.shield < ship.maxShield and ship.shield > 0:
amount = 1.0 * ship.shield / ship.maxShield
with glPrimitive(GL_LINE_LOOP):
glColor(1.0 - amount, amount, 0, amount)
for i in range(0, 360, 36):
glVertex2f(sin(i / 180. * pi) * 2, cos(i / 180. * pi) * 2)
tryfind = [c for c in network.clients.values() if c.shipid == ship.id and c.remote]
if tryfind:
glEnable(GL_TEXTURE_2D)
if tryfind[0] not in shipflags:
txt = Text(tryfind[0].name)
shipflags[tryfind[0]] = txt
else:
txt = shipflags[tryfind[0]]
glTranslate(1.5, 0, 0)
glScale(0.05,0.05,1)
txt.draw()
glDisable(GL_TEXTURE_2D)
def renderPlayer(player):
glTranslate(*player.position + [0])
glTranslate(-0.5, 0, 1)
glRotatef(90, -1, 0, 0)
with glMatrix():
Texture("person").bind()
with glPrimitive(GL_QUADS):
glTexCoord2f(0, 0)
glVertex2f(0, 0)
glTexCoord2f(1, 0)
glVertex2f(1, 0)
glTexCoord2f(1, 1)
glVertex2f(1, 1)
glTexCoord2f(0, 1)
glVertex2f(0, 1)
tryfind = [c for c in network.clients.values() if c.stateid == player.id and c.remote]
if tryfind:
if tryfind[0] not in playerflags:
txt = Text(tryfind[0].name)
playerflags[tryfind[0]] = txt
else:
txt = playerflags[tryfind[0]]
glTranslate(1.5, 0, 0)
glScale(0.05, 0.05, 1)
txt.draw()
def renderBullet(bul):
glTranslate(*bul.position + [0])
glScale(0.2, 0.2, 0.2)
with glPrimitive(GL_POLYGON):
glColor(0, 0, 1)
for posi in [0, 0.4, 0.8, 0.2, 0.6]:
glVertex2f(sin(posi * 2 * pi), cos(posi * 2 * pi))
def renderGameGrid(player):
with glMatrix():
# glTranslatef(player.position[0], player.position[1], 0)
Texture("floor").bind()
with glPrimitive(GL_QUADS):
glTexCoord2f(0, 0)
glVertex2f(-100, -100)
glTexCoord2f(100, 0)
glVertex2f(100, -100)
glTexCoord2f(100, 100)
glVertex2f(100, 100)
glTexCoord2f(0, 100)
glVertex2f(-100, 100)
def quad():
with glPrimitive(GL_QUADS):
glTexCoord2f(0, 1)
glVertex2i(0, 1)
glTexCoord2f(0, 0)
glVertex2i(0, 0)
glTexCoord2f(1, 0)
glVertex2i(1, 0)
glTexCoord2f(1, 1)
glVertex2i(1, 1)
def draw(self):
glEnable(GL_TEXTURE_2D)
self.bind()
texw = self.w / float(self.texw)
texh = self.h / float(self.texh)
glColor4fv(self.rgba)
with glPrimitive(GL_QUADS):
glTexCoord2f(0, 0)
glVertex2f(0, 0)
glTexCoord2f(0, texh)
glVertex2f(0, self.h)
glTexCoord2f(texw, texh)
glVertex2f(self.w, self.h)
glTexCoord2f(texw, 0)
glVertex2f(self.w, 0)
def renderGameGrid(player):
with glPrimitive(GL_LINES):
for x in range(int(player.position[0] - 30), int(player.position[0] + 30), 1):
if x % 10 == 0:
glColor(0.3, 0.3, 0, 1)
elif x % 10 == 5:
glColor(0.15, 0.15, 0, 1)
else:
glColor(0.05, 0.05, 0, 1)
glVertex2f(x, player.position[1] - 30)
glVertex2f(x, player.position[1] + 30)
for y in range(int(player.position[1] - 30), int(player.position[1] + 30), 1):
if y % 10 == 0:
glColor(0.3, 0.3, 0)
elif y % 10 == 5:
glColor(0.15, 0.15, 0)
else:
glColor(0.05, 0.05, 0)
glVertex2f(player.position[0] - 30, y)
glVertex2f(player.position[0] + 30, y)
def renderPlanet(pla):
glTranslate(*pla.position + [0])
with glPrimitive(GL_POLYGON):
glColor(*pla.color)
for i in range(0, 360, 36):
glVertex2f(sin(i / 180. * pi) * pla.size, cos(i / 180. * pi) * pla.size)
def rungame():
global gsh
global tickinterval
global playerlist
global chatitems
global scene_matrix
tickinterval = 50
try:
mode = argv[1]
if mode == "s":
port = argv[2]
if len(argv) > 3:
tickinterval = int(argv[3])
elif mode == "c":
addr = argv[2]
port = argv[3]
except:
print "usage:"
print argv[0], "s port [ticksize=50]"
print argv[0], "c addr port"
print "s is for server mode, c is for client mode."
sys.exit()
if mode == "c":
init()
loadImagery()
if mode == "s": # in server mode
gs = network.initServer(int(port))
elif mode == "c": # in client mode
gs = network.initClient(addr,int(port))
else:
print "specify either 's' or 'c' as mode."
sys.exit()
# sets some stuff for the network sockets.
network.setupConn()
# this is important for the simulation.
gs.tickinterval = tickinterval
# in order to be reactive, the state history, which is currently server-side
# only, has to incorporate input events at the time they actually happened,
# rather than when they were received. Thus, a number of old gamestates is
# preserved.
#
# on the client, the history simply deals with python-object changes that
# update proxy objects.
gsh = StateHistory(gs)
# since the server is dedicated and headless now, we don't need a ship for it
if mode == "c":
# this is used to fix the camera on the ship and display information about
# his ship to the player.
mystateid = network.clients[None].stateid
# a proxy is an object, that will automatically be updated by the gamestate
# history object to always reflect the current object. This is accomplished
# with black magic.
localplayer = gs.getById(mystateid).getProxy(gsh)
# yay! play the game!
# inits pygame and opengl.
running = True
timer.wantedFrameTime = tickinterval * 0.001
timer.startTiming()
timer.gameSpeed = 1
# this variable is used to determine, when it would be wise to skip
# displaying a single gamestate, to catch up with the time the data
# from the server is received.
catchUpAccum = 0
cam_h = 10
cam_v = 10
if mode == "c":
playerlist = []
makePlayerList()
# used for chat.
sentence = ""
textthing = Text(sentence)
def updateTextThing():
textthing.renderText(sentence)
pick = [0, 0]
while running:
timer.startFrame()
if mode == "c":
for event in pygame.event.get():
if event.type == QUIT:
running = False
elif event.type == MOUSEMOTION:
try:
pick = pickFloor(*event.pos)
except: pass
elif event.type == MOUSEBUTTONDOWN:
sendCmd("t" + pack("!dd", *pick))
elif event.type == KEYDOWN:
if event.key == K_ESCAPE:
running = False
# chat stuff
elif K_a <= event.key <= K_z:
sentence += chr(ord('a') + event.key - K_a)
updateTextThing()
elif event.key == K_SPACE:
sentence += " "
updateTextThing()
elif event.key == K_BACKSPACE:
sentence = sentence[:-1]
updateTextThing()
elif event.key == K_RETURN:
if sentence:
network.sendChat(sentence)
sentence = ""
updateTextThing()
# end chat stuff
# player control stuff
kp = pygame.key.get_pressed()
if kp[K_LEFT]:
cam_h -= 1
if kp[K_RIGHT]:
cam_h += 1
if kp[K_UP]:
cam_v += 1
if kp[K_DOWN]:
cam_v -= 1
# end player control stuff
catchUpAccum += timer.catchUp
# only if the catchUp time is below our patience or we run the server,
# the gamestate should be rendered and calculated.
if catchUpAccum < 2:
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
with glIdentityMatrix():
# put the player in the middle of the screen
gluLookAt(cam_h, cam_v, 10, localplayer.position[0], localplayer.position[1], 0, 0, 0, 1)
scene_matrix = glGetDoublev(GL_MODELVIEW_MATRIX)
# render everything
with glMatrix():
renderGameGrid(localplayer)
renderWholeState(gsh[-1])
with glMatrix():
glDisable(GL_TEXTURE_2D)
with glPrimitive(GL_LINES):
glVertex(pick[0], pick[1], 4)
glVertex(pick[0], pick[1], -4)
glEnable(GL_TEXTURE_2D)
with glIdentityMatrix():
glScalef(1./32, 1./32, 1)
# do gui stuff here
with glMatrix():
glScale(3, 3, 1)
for pli in playerlist:
pli.draw()
glTranslate(0, 16, 0)
with glMatrix():
glScale(2, 2, 1)
glTranslate(24, 540, 0)
for msg in [textthing] + chatitems[::-1]:
msg.draw()
glTranslate(0, -17, 0)
pygame.display.flip()
# for the server, this lets new players in, distributes chat messages and
# reacts to player inputs.
network.pumpEvents()
if mode == "c":
if catchUpAccum > 2:
print "catchUpAccum is", catchUpAccum
catchUpAccum = 0
timer.endFrame()
# exit pygame
if mode == "c":
pygame.quit()
