default_init.py

"""
default_init.py

Copyright (c) 2015-2016 Dany Vohl, David G. Barnes, Christopher J. Fluke,
                   Yuri Benovitski, Tsz Ho Wong, Owen L Kaluza, Toan D. Nguyen.

This file is part of encube.

encube 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 3 of the License, or
(at your option) any later version.

encube 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 encube.  If not, see <http://www.gnu.org/licenses/>.

We would appreciate it if research outcomes using encube would
provide the following acknowledgement:

"Visual analytics of multidimensional data was conducted with encube."

and a reference to

Dany Vohl, David G. Barnes, Christopher J. Fluke, Govinda Poudel, Nellie Georgiou-Karistianis,
Amr H. Hassan, Yuri Benovitski, Tsz Ho Wong, Owen L Kaluza, Toan D. Nguyen, C. Paul Bonnington. (2016).
Large-scale comparative visualisation of sets of multidimensional data. PeerJ Computer Science, In Press.
"""

# This script is executed when the omegalib python interpreter (orun) starts,
# before running application scripts.
# It sets up a system menu with several config options for sound, navigation,
# graphics etc. If you want to change (or remove) the default menu, use the
# orun/initScript config option to specify a new or an empty script.
# You can also change the orun/appStartFunction config option to change the
# entry point into this script (by default it is set to _onAppStart)
from omega import *
from euclid import *

speedLabel = None
mainmnu = None

# add the current path to the data search paths.
import os
addDataPath(os.getcwd())

def _setCamSpeed(speedLevel):
    global speedLabel
    s = 10 ** (speedLevel - 4)
    speedLabel.setText("Navigation Speed: " + str(s) + "x")
    cc = getDefaultCamera().getController()
    if(cc != None):
        cc.setSpeed(s)

def _resetCamera():
    getDefaultCamera().setPosition(Vector3(0, 0, 0))
    getDefaultCamera().setPitchYawRoll(Vector3(0, 0, 0))

def _autonearfar(value):
    if(value):
        queueCommand(":autonearfar on")
    else:
        queueCommand(":autonearfar off")

def _displayWand(value):
   if(value):
       queueCommand("getSceneManager().displayWand(0, 1)")
   else:
       queueCommand("getSceneManager().hideWand(0)")

def _setSoundServerVolume( value ):
    newVolume = value - 30
    globalVolumeLabel.setText("Global Volume: " + str(newVolume) )
    soundEnv.setServerVolume(newVolume)

def _onAppStart():
    global mainmnu
    # mm = getViewer().getMenuManager()
    mm = MenuManager.createAndInitialize()
    mainmnu = mm.createMenu("Main Menu")

    # If menus are in 2d mode, add a menu open button
    if(not getBoolSetting('config/ui', 'menu3dEnabled', False)):
        uim = UiModule.instance()
        wf = uim.getWidgetFactory()
        mainButton = wf.createButton('mainButton', uim.getUi())
        mainButton.setText("Main Menu")
        mainButton.setUIEventCommand('mainmnu.show()')
        mainButton.setStyleValue('fill', 'black')
        mainmnu.getContainer().setPosition(Vector2(5, 25))

    mi = mainmnu.addImage(loadImage("omegalib-transparent-white.png"))
    ics = mi.getImage().getSize() * 0.1
    mi.getImage().setSize(ics)

    mm.setMainMenu(mainmnu)
    sysmnu = mainmnu.addSubMenu("System")
    mi = sysmnu.addButton("Toggle freefly", ":freefly")
    mi.getButton().setCheckable(True)
    mi = sysmnu.addButton("Reset", "_resetCamera()")
    mi = sysmnu.addButton("Auto Near / Far", "_autonearfar(%value%)")
    mi.getButton().setCheckable(True)
    mi = sysmnu.addButton("Display Wand", "_displayWand(%value%)")
    mi.getButton().setCheckable(True)
    global speedLabel
    speedLabel = sysmnu.addLabel("sd")
    _setCamSpeed(4)
    ss = sysmnu.addSlider(10, "_setCamSpeed(%value%)")
    ss.getSlider().setValue(4)
    ss.getWidget().setWidth(200)
    
    if( isSoundEnabled() ):
        global soundEnv
        global serverVolume
        global globalVolumeLabel
        
        soundEnv = getSoundEnvironment()
        serverVolume = soundEnv.getServerVolume();
        
        globalVolumeLabel = sysmnu.addLabel("Global Volume: --")
        
        value = serverVolume + 30
        globalVolumeLabel.setText("Global Volume: " + str(serverVolume))
        
        ss = sysmnu.addSlider(39, "_setSoundServerVolume(%value%)")
        ss.getSlider().setValue(30)
        ss.getWidget().setWidth(200)
        
        ss.getSlider().setValue(value)
        
    mi = sysmnu.addButton("Enable Stereo", "toggleStereo()")
    mi.getButton().setCheckable(True)
    mi.getButton().setChecked(isStereoEnabled())
    
    mi = sysmnu.addButton("Toggle Console", ":c")
    mi = sysmnu.addButton("List Active Modules", "printModules()")
    mi = sysmnu.addButton("Exit omegalib", "_shutdown()")
    

shuttingDown = False
fadeOutVal = 0

def _shutdown():
    global shuttingDown
    global fadeOutVal
    shuttingDown = True
    fadeOutVal = 0

def onUpdate(frame, t, dt):
    global shuttingDown
    global fadeOutVal
    if(shuttingDown):
       if(fadeOutVal >= 1): oexit()
       else:
           uim = UiModule.instance()
           ui = uim.getUi()
           alpha = int(fadeOutVal * 256)
           ui.setStyleValue('fill', '#000000' + hex(alpha)[2:])
           fadeOutVal += dt

setUpdateFunction(onUpdate)