class Main(ShowBase, FSM):
"""Main function of the application
initialise the engine (ShowBase)"""
def __init__(self):
"""initialise the engine"""
ShowBase.__init__(self)
FSM.__init__(self, "FSM-Game")
#
# BASIC APPLICATION CONFIGURATIONS
#
# disable pandas default camera driver
self.disableMouse()
# set background color to black
self.setBackgroundColor(0, 0, 0)
# set antialias for the complete sceen to automatic
self.render.setAntialias(AntialiasAttrib.MAuto)
helper.hide_cursor()
#
# CONFIGURATION LOADING
#
# load given variables or set defaults
# check if audio should be muted
mute = ConfigVariableBool("audio-mute", False).getValue()
if mute:
self.disableAllAudio()
else:
self.enableAllAudio()
def setFullscreen():
"""Helper function to set the window fullscreen
with width and height set to the screens size"""
# get the displays width and height
w = self.pipe.getDisplayWidth()
h = self.pipe.getDisplayHeight()
# set window properties
# clear all properties not previously set
base.win.clearRejectedProperties()
# setup new window properties
props = WindowProperties()
# Fullscreen
props.setFullscreen(True)
# set the window size to the screen resolution
props.setSize(w, h)
# request the new properties
base.win.requestProperties(props)
# check if the config file hasn't been created
if not os.path.exists(prcFile):
setFullscreen()
elif base.appRunner:
# When the application is started as appRunner instance, it
# doesn't respect our loadPrcFiles configurations specific
# to the window as the window is already created, hence we
# need to manually set them here.
for dec in range(mainConfig.getNumDeclarations()):
# check if we have the fullscreen variable
if mainConfig.getVariableName(dec) == "fullscreen":
setFullscreen()
# automatically safe configuration at application exit
base.exitFunc = self.__writeConfig
# due to the delayed window resizing and switch to fullscreen
# we wait some time until everything is set so we can savely
# proceed with other setups like the menus
if base.appRunner:
# this behaviour only happens if run from p3d files and
# hence the appRunner is enabled
taskMgr.doMethodLater(0.5,
self.postInit,
"post initialization",
extraArgs=[])
else:
self.postInit()
def postInit(self):
#
# initialize game content
#
# Menus
self.mainmenu = Mainmenu()
self.optionsmenu = Optionsmenu()
self.loadingscreen = LoadingScreen()
self.music_menu = loader.loadMusic("music/menu.ogg")
self.music_menu.setLoop(True)
self.music_game = loader.loadMusic("music/game.ogg")
self.music_game.setLoop(True)
self.music_intro = loader.loadMusic("music/logos.ogg")
# The games Intro
def create16To9LogoCard(logoPath, tsName):
cm = CardMaker("fade")
scale = abs(base.a2dLeft) / 1.7776
cm.setFrame(-1, 1, -1 * scale, 1 * scale)
logo = NodePath(cm.generate())
logo.setTransparency(TransparencyAttrib.MAlpha)
logoTex = loader.loadTexture(logoPath)
logoTs = TextureStage(tsName)
logoTs.setMode(TextureStage.MReplace)
logo.setTexture(logoTs, logoTex)
logo.setBin("fixed", 5000)
logo.reparentTo(render2d)
logo.hide()
return logo
self.gfLogo = create16To9LogoCard("intro/GrimFangLogo.png", "gfLogoTS")
self.pandaLogo = create16To9LogoCard("intro/Panda3DLogo.png",
"pandaLogoTS")
self.gameLogo = create16To9LogoCard("intro/GameLogo.png", "gameLogoTS")
def createFadeIn(logo):
return LerpColorScaleInterval(logo, 2,
LVecBase4f(0.0, 0.0, 0.0, 1.0),
LVecBase4f(0.0, 0.0, 0.0, 0.0))
def createFadeOut(logo):
return LerpColorScaleInterval(logo, 2,
LVecBase4f(0.0, 0.0, 0.0, 0.0),
LVecBase4f(0.0, 0.0, 0.0, 1.0))
gfFadeInInterval = createFadeIn(self.gfLogo)
gfFadeOutInterval = createFadeOut(self.gfLogo)
p3dFadeInInterval = createFadeIn(self.pandaLogo)
p3dFadeOutInterval = createFadeOut(self.pandaLogo)
gameFadeInInterval = createFadeIn(self.gameLogo)
gameFadeOutInterval = createFadeOut(self.gameLogo)
self.introFadeInOutSequence = Sequence(Func(self.music_intro.play),
Func(self.gfLogo.show),
gfFadeInInterval,
Wait(1.0),
gfFadeOutInterval,
Wait(0.5),
Func(self.gfLogo.hide),
Func(self.pandaLogo.show),
p3dFadeInInterval,
Wait(1.0),
p3dFadeOutInterval,
Wait(0.5),
Func(self.pandaLogo.hide),
Func(self.gameLogo.show),
gameFadeInInterval,
Wait(1.0),
gameFadeOutInterval,
Wait(0.5),
Func(self.gameLogo.hide),
Func(self.messenger.send,
"intro_done"),
Func(self.music_intro.stop),
name="fadeInOut")
# game intro end
# collision setup
base.cTrav = CollisionTraverser("base collision traverser")
base.cTrav.setRespectPrevTransform(True)
# setup default physics
base.enableParticles()
#
# Event handling
#
self.accept("escape", self.__escape)
# accept menu events
self.accept("menu_start", self.request, ["Game"])
self.accept("menu_options", self.request, ["Options"])
self.accept("menu_quit", self.quit)
self.accept("options_back", self.request, ["Menu"])
# game over
self.accept("GameOver", self.demand, ["Menu"])
#
# Start with the menu after the intro has been played
#
self.introFadeInOutSequence.start()
self.accept("intro_done", self.request, ["Menu"])
#
# FSM PART
#
def enterMenu(self):
"""Enter the main menu state"""
helper.show_cursor()
self.mainmenu.show()
if self.music_menu.status() != AudioSound.PLAYING:
self.music_menu.play()
def exitMenu(self):
"""Leave the main menu state"""
self.mainmenu.hide()
def enterOptions(self):
"""Enter the options menu state"""
self.optionsmenu.show()
def exitOptions(self):
"""Leave the options menu state"""
self.optionsmenu.hide()
def enterGame(self):
# main game code should be called here
print _("Enter Game")
self.loadingscreen.start()
helper.hide_cursor()
self.world = World()
self.music_menu.stop()
self.music_game.play()
self.loadingscreen.stop()
def exitGame(self):
# cleanup for game code
print _("Exit Game")
helper.show_cursor()
self.world.stop()
del self.world
#
# FSM PART END
#
#
# BASIC FUNCTIONS
#
def __escape(self):
if self.state == "Off":
self.introFadeInOutSequence.finish()
elif self.state == "Menu":
self.quit()
elif self.state == "Game":
if self.world.requestEscape():
self.request("Menu")
else:
self.request("Menu")
def quit(self):
"""This function will stop the application"""
self.userExit()
def __writeConfig(self):
"""Save current config in the prc file or if no prc file exists
create one. The prc file is set in the prcFile variable"""
page = None
volume = str(round(base.musicManager.getVolume(), 2))
mute = "#f" if base.AppHasAudioFocus else "#t"
customConfigVariables = ["", "audio-mute", "audio-volume"]
if os.path.exists(prcFile):
# open the config file and change values according to current
# application settings
page = loadPrcFile(Filename.fromOsSpecific(prcFile))
removeDecls = []
for dec in range(page.getNumDeclarations()):
# Check if our variables are given.
# NOTE: This check has to be done to not loose our base or other
# manual config changes by the user
if page.getVariableName(dec) in customConfigVariables:
decl = page.modifyDeclaration(dec)
removeDecls.append(decl)
for dec in removeDecls:
page.deleteDeclaration(dec)
# NOTE: audio-mute are custom variables and
# have to be loaded by hand at startup
# audio
page.makeDeclaration("audio-volume", volume)
page.makeDeclaration("audio-mute", mute)
else:
# Create a config file and set default values
cpMgr = ConfigPageManager.getGlobalPtr()
page = cpMgr.makeExplicitPage("%s Pandaconfig" % appName)
# set OpenGL to be the default
page.makeDeclaration("load-display", "pandagl")
# get the displays width and height
w = self.pipe.getDisplayWidth()
h = self.pipe.getDisplayHeight()
# set the window size in the config file
page.makeDeclaration("win-size", "%d %d" % (w, h))
# set the default to fullscreen in the config file
page.makeDeclaration("fullscreen", "1")
# audio
page.makeDeclaration("audio-volume", volume)
page.makeDeclaration("audio-mute", "#f")
# create a stream to the specified config file
configfile = OFileStream(prcFile)
# and now write it out
page.write(configfile)
# close the stream
configfile.close()
