mirror of
https://github.com/panda3d/panda3d.git
synced 2025-10-05 03:15:07 -04:00
670 lines
23 KiB
Python
670 lines
23 KiB
Python
from PandaObject import *
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from DirectUtil import *
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from DirectCameraControl import *
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from DirectManipulation import *
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from DirectSelection import *
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from DirectGrid import *
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from DirectGeometry import *
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from DirectLights import *
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from DirectSessionPanel import *
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from tkSimpleDialog import askstring
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import Placer
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import EntryScale
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import OnscreenText
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import types
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import __builtin__
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DIRECT_FLASH_DURATION = 1.5
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class DirectSession(PandaObject):
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def __init__(self):
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# Establish a global pointer to the direct object early on
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# so dependant classes can access it in their code
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__builtin__.direct = self
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self.fEnabled = 0
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self.drList = DisplayRegionList()
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self.iRayList = map(lambda x: x.iRay, self.drList)
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self.dr = self.drList[0]
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self.camera = self.dr.camera
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self.iRay = self.dr.iRay
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self.group = render.attachNewNode('DIRECT')
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self.cameraControl = DirectCameraControl()
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self.manipulationControl = DirectManipulationControl()
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self.useObjectHandles()
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self.grid = DirectGrid()
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self.grid.disable()
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self.lights = DirectLights(direct.group)
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# Create some default lights
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self.lights.createDefaultLights()
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# But turn them off
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self.lights.allOff()
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# Initialize the collection of selected nodePaths
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self.selected = SelectedNodePaths()
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# Ancestry of currently selected object
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self.ancestry = []
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self.ancestryIndex = 0
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self.activeParent = None
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self.readout = OnscreenText.OnscreenText( pos = (0.1, -0.95), bg=Vec4(1,1,1,1))
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# Make sure readout is never lit or drawn in wireframe
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useDirectRenderStyle(self.readout)
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# self.readout.textNode.setCardColor(0.5, 0.5, 0.5, 0.5)
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self.readout.reparentTo( hidden )
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# Create a vrpn client vrpn-server or default
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if base.config.GetBool('want-vrpn', 0):
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from DirectDeviceManager import *
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self.deviceManager = DirectDeviceManager()
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# Automatically create any devices specified in config file
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joybox = base.config.GetString('vrpn-joybox-device', '')
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if joybox:
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from DirectJoybox import *
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self.joybox = DirectJoybox(joybox)
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else:
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self.joybox = None
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else:
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self.deviceManager = None
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self.joybox = None
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self.fControl = 0
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self.fAlt = 0
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self.fShift = 0
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self.pos = VBase3()
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self.hpr = VBase3()
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self.scale = VBase3()
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self.hitPt = Point3(0.0)
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# Lists for managing undo/redo operations
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self.undoList = []
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self.redoList = []
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# One run through the context task to init everything
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self.drList.updateContext()
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self.actionEvents = [
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['select', self.select],
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['deselect', self.deselect],
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['deselectAll', self.deselectAll],
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['highlightAll', self.selected.highlightAll],
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['preRemoveNodePath', self.deselect],
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# Scene graph explorer functions
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['SGE_Select', self.select],
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['SGE_Deselect', self.deselect],
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['SGE_Set Parent', self.setActiveParent],
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['SGE_Reparent', self.reparent],
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['SGE_Flash', self.flash],
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['SGE_Isolate', self.isolate],
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['SGE_Toggle Vis', self.toggleVis],
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['SGE_Show All', self.showAllDescendants],
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['SGE_Fit', self.fitOnNodePath],
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['SGE_Place', Placer.place],
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['SGE_Set Color', EntryScale.rgbPanel],
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['SGE_Delete', self.removeNodePath],
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['SGE_Set Name', self.getAndSetName],
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]
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self.keyEvents = ['escape', 'delete', 'control', 'control-up',
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'shift', 'shift-up', 'alt', 'alt-up',
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'page_up', 'page_down',
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'[', '{', ']', '}',
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'A', 'b', 'l', 's', 't', 'v', 'w']
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self.mouseEvents = ['mouse1', 'mouse1-up',
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'mouse2', 'mouse2-up',
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'mouse3', 'mouse3-up']
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if base.wantTk:
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from TkGlobal import *
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self.panel = DirectSessionPanel(parent = tkroot)
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def enable(self):
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# Make sure old tasks are shut down
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self.disable()
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# Start all display region context tasks
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self.drList.spawnContextTask()
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# Turn on mouse Flying
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self.cameraControl.enableMouseFly()
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# Turn on object manipulation
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self.manipulationControl.enableManipulation()
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# Make sure list of selected items is reset
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self.selected.reset()
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# Accept appropriate hooks
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self.enableKeyEvents()
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self.enableMouseEvents()
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self.enableActionEvents()
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# Set flag
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self.fEnabled = 1
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def disable(self):
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# Shut down all display region context tasks
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self.drList.removeContextTask()
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# Turn off camera fly
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self.cameraControl.disableMouseFly()
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# Turn off object manipulation
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self.manipulationControl.disableManipulation()
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self.disableKeyEvents()
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self.disableMouseEvents()
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self.disableActionEvents()
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# Set flag
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self.fEnabled = 0
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def toggleDirect(self):
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if self.fEnabled:
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self.disable()
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else:
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self.enable()
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def minimumConfiguration(self):
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# Remove context task
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self.drList.removeContextTask()
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# Turn off camera fly
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self.cameraControl.disableMouseFly()
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# Ignore keyboard and action events
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self.disableKeyEvents()
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self.disableActionEvents()
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# But let mouse events pass through
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self.enableMouseEvents()
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def destroy(self):
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self.disable()
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def reset(self):
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self.enable()
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# EVENT FUNCTIONS
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def enableActionEvents(self):
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for event in self.actionEvents:
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self.accept(event[0], event[1], extraArgs = event[2:])
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def enableKeyEvents(self):
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for event in self.keyEvents:
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self.accept(event, self.inputHandler, [event])
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def enableMouseEvents(self):
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for event in self.mouseEvents:
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self.accept(event, self.inputHandler, [event])
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def disableActionEvents(self):
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for event, method in self.actionEvents:
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self.ignore(event)
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def disableKeyEvents(self):
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for event in self.keyEvents:
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self.ignore(event)
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def disableMouseEvents(self):
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for event in self.mouseEvents:
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self.ignore(event)
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def inputHandler(self, input):
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# Deal with keyboard and mouse input
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if input == 'mouse1':
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messenger.send('DIRECT_mouse1')
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elif input == 'mouse1-up':
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messenger.send('DIRECT_mouse1Up')
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elif input == 'mouse2':
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messenger.send('DIRECT_mouse2')
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elif input == 'mouse2-up':
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messenger.send('DIRECT_mouse2Up')
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elif input == 'mouse3':
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messenger.send('DIRECT_mouse3')
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elif input == 'mouse3-up':
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messenger.send('DIRECT_mouse3Up')
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elif input == 'shift':
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self.fShift = 1
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elif input == 'shift-up':
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self.fShift = 0
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elif input == 'control':
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self.fControl = 1
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elif input == 'control-up':
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self.fControl = 0
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elif input == 'alt':
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self.fAlt = 1
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elif input == 'alt-up':
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self.fAlt = 0
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elif input == 'page_up':
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self.upAncestry()
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elif input == 'page_down':
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self.downAncestry()
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elif input == 'escape':
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self.deselectAll()
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elif input == 'delete':
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self.removeAllSelected()
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elif input == 'v':
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self.toggleWidgetVis()
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elif input == 'b':
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base.toggleBackface()
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elif input == 'l':
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self.lights.toggle()
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elif input == 's':
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if self.selected.last:
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self.select(self.selected.last)
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elif input == 't':
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base.toggleTexture()
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elif input == 'A':
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self.selected.toggleVisAll()
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elif input == 'w':
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base.toggleWireframe()
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elif (input == '[') or (input == '{'):
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self.undo()
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elif (input == ']') or (input == '}'):
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self.redo()
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def select(self, nodePath, fMultiSelect = 0, fResetAncestry = 1):
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dnp = self.selected.select(nodePath, fMultiSelect)
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if dnp:
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messenger.send('DIRECT_preSelectNodePath', [dnp])
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if fResetAncestry:
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# Update ancestry
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self.ancestry = dnp.getAncestry()
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self.ancestry.reverse()
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self.ancestryIndex = 0
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# Update the readout
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self.readout.reparentTo(render2d)
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self.readout.setText(dnp.name)
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# Show the manipulation widget
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self.widget.showWidget()
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# Update camera controls coa to this point
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# Coa2Camera = Coa2Dnp * Dnp2Camera
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mCoa2Camera = dnp.mCoa2Dnp * dnp.getMat(self.camera)
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row = mCoa2Camera.getRow(3)
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coa = Vec3(row[0], row[1], row[2])
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self.cameraControl.updateCoa(coa)
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# Adjust widgets size
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# This uses the additional scaling factor used to grow and
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# shrink the widget
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self.widget.setScalingFactor(dnp.getRadius())
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# Spawn task to have object handles follow the selected object
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taskMgr.removeTasksNamed('followSelectedNodePath')
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t = Task.Task(self.followSelectedNodePathTask)
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t.dnp = dnp
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taskMgr.spawnTaskNamed(t, 'followSelectedNodePath')
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# Send an message marking the event
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messenger.send('DIRECT_selectedNodePath', [dnp])
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def followSelectedNodePathTask(self, state):
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mCoa2Render = state.dnp.mCoa2Dnp * state.dnp.getMat(render)
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decomposeMatrix(mCoa2Render,
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self.scale,self.hpr,self.pos,
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CSDefault)
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self.widget.setPosHpr(self.pos,self.hpr)
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return Task.cont
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def deselect(self, nodePath):
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dnp = self.selected.deselect(nodePath)
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if dnp:
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# Hide the manipulation widget
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self.widget.hideWidget()
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self.readout.reparentTo(hidden)
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self.readout.setText(' ')
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taskMgr.removeTasksNamed('followSelectedNodePath')
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self.ancestry = []
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# Send an message marking the event
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messenger.send('DIRECT_deselectedNodePath', [dnp])
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def deselectAll(self):
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self.selected.deselectAll()
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# Hide the manipulation widget
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self.widget.hideWidget()
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self.readout.reparentTo(hidden)
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self.readout.setText(' ')
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taskMgr.removeTasksNamed('followSelectedNodePath')
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def setActiveParent(self, nodePath = None):
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# Record new parent
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self.activeParent = nodePath
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# Alert everyone else
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messenger.send('DIRECT_activeParent', [self.activeParent])
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def reparent(self, nodePath = None):
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if nodePath and self.activeParent:
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oldParent = nodePath.getParent()
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nodePath.reparentTo(self.activeParent)
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# Alert everyone else
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messenger.send('DIRECT_reparent',
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[nodePath, oldParent, self.activeParent])
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def flash(self, nodePath = 'None Given'):
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""" Highlight an object by setting it red for a few seconds """
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# Clean up any existing task
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taskMgr.removeTasksNamed('flashNodePath')
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# Spawn new task if appropriate
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if nodePath == 'None Given':
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# If nothing specified, try selected node path
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nodePath = self.selected.last
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if nodePath:
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if nodePath.hasColor():
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doneColor = nodePath.getColor()
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flashColor = VBase4(1) - doneColor
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flashColor.setW(1)
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else:
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doneColor = None
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flashColor = VBase4(1,0,0,1)
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# Temporarily set node path color
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nodePath.setColor(flashColor)
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# Clean up color in a few seconds
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t = taskMgr.spawnTaskNamed(
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Task.doLater(DIRECT_FLASH_DURATION,
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# This is just a dummy task
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Task.Task(self.flashDummy),
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'flashNodePath'),
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'flashNodePath')
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t.nodePath = nodePath
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t.doneColor = doneColor
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# This really does all the work
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t.uponDeath = self.flashDone
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def flashDummy(self, state):
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# Real work is done in upon death function
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return Task.done
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def flashDone(self,state):
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# Return node Path to original state
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if state.doneColor:
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state.nodePath.setColor(state.doneColor)
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else:
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state.nodePath.clearColor()
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def fitOnNodePath(self, nodePath = 'None Given'):
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if nodePath == 'None Given':
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# If nothing specified, try selected node path
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nodePath = self.selected.last
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direct.select(nodePath)
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def fitTask(state, self = self):
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self.cameraControl.fitOnWidget()
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return Task.done
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taskMgr.doMethodLater(0.1, fitTask, 'manipulateCamera')
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def isolate(self, nodePath = 'None Given'):
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""" Show a node path and hide its siblings """
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# First kill the flashing task to avoid complications
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taskMgr.removeTasksNamed('flashNodePath')
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# Use currently selected node path if node selected
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if nodePath == 'None Given':
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nodePath = self.selected.last
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# Do we have a node path?
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if nodePath:
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# Yes, show everything in level
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self.showAllDescendants(nodePath.getParent())
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# Now hide all of this node path's siblings
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nodePath.hideSiblings()
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def toggleVis(self, nodePath = 'None Given'):
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""" Toggle visibility of node path """
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# First kill the flashing task to avoid complications
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taskMgr.removeTasksNamed('flashNodePath')
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if nodePath == 'None Given':
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# If nothing specified, try selected node path
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nodePath = self.selected.last
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if nodePath:
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# Now toggle node path's visibility state
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nodePath.toggleVis()
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def removeNodePath(self, nodePath = 'None Given'):
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if nodePath == 'None Given':
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# If nothing specified, try selected node path
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nodePath = self.selected.last
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if nodePath:
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nodePath.remove()
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def removeAllSelected(self):
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self.selected.removeAll()
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def showAllDescendants(self, nodePath = render):
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""" Show the level and its descendants """
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nodePath.showAllDescendants()
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nodePath.hideCollisionSolids()
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def upAncestry(self):
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if self.ancestry:
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l = len(self.ancestry)
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i = self.ancestryIndex + 1
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if i < l:
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np = self.ancestry[i]
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name = np.getName()
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if (name != 'render') and (name != 'renderTop'):
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self.ancestryIndex = i
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self.select(np, 0, 0)
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self.flash(np)
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def downAncestry(self):
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if self.ancestry:
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l = len(self.ancestry)
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i = self.ancestryIndex - 1
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if i >= 0:
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np = self.ancestry[i]
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name = np.getName()
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if (name != 'render') and (name != 'renderTop'):
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self.ancestryIndex = i
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self.select(np, 0, 0)
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self.flash(np)
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def getAndSetName(self, nodePath):
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""" Prompt user for new node path name """
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newName = askstring('Node Path: ' + nodePath.getName(),
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'Enter new name:')
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if newName:
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nodePath.setName(newName)
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messenger.send('DIRECT_nodePathSetName', [nodePath, newName])
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# UNDO REDO FUNCTIONS
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def pushUndo(self, nodePathList, fResetRedo = 1):
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# Assemble group of changes
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undoGroup = []
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for nodePath in nodePathList:
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pos = nodePath.getPos()
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hpr = nodePath.getHpr()
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scale = nodePath.getScale()
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undoGroup.append([nodePath, pos,hpr,scale])
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# Now record group
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self.undoList.append(undoGroup)
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# Truncate list
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self.undoList = self.undoList[-25:]
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# Alert anyone who cares
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messenger.send('DIRECT_pushUndo')
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if fResetRedo and (nodePathList != []):
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self.redoList = []
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messenger.send('DIRECT_redoListEmpty')
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def popUndoGroup(self):
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# Get last item
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undoGroup = self.undoList[-1]
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# Strip last item off of undo list
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self.undoList = self.undoList[:-1]
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# Update state of undo button
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if not self.undoList:
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messenger.send('DIRECT_undoListEmpty')
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# Return last item
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return undoGroup
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def pushRedo(self, nodePathList):
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# Assemble group of changes
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redoGroup = []
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for nodePath in nodePathList:
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pos = nodePath.getPos()
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hpr = nodePath.getHpr()
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scale = nodePath.getScale()
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redoGroup.append([nodePath, pos,hpr,scale])
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# Now record redo group
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self.redoList.append(redoGroup)
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# Truncate list
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self.redoList = self.redoList[-25:]
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# Alert anyone who cares
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messenger.send('DIRECT_pushRedo')
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def popRedoGroup(self):
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# Get last item
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redoGroup = self.redoList[-1]
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# Strip last item off of redo list
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self.redoList = self.redoList[:-1]
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# Update state of redo button
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if not self.redoList:
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messenger.send('DIRECT_redoListEmpty')
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# Return last item
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return redoGroup
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def undo(self):
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if self.undoList:
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# Get last item off of redo list
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undoGroup = self.popUndoGroup()
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# Record redo information
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nodePathList = map(lambda x: x[0], undoGroup)
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self.pushRedo(nodePathList)
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# Now undo xform for group
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for pose in undoGroup:
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# Undo xform
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pose[0].setPosHprScale(pose[1], pose[2], pose[3])
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# Alert anyone who cares
|
|
messenger.send('DIRECT_undo')
|
|
|
|
def redo(self):
|
|
if self.redoList:
|
|
# Get last item off of redo list
|
|
redoGroup = self.popRedoGroup()
|
|
# Record undo information
|
|
nodePathList = map(lambda x: x[0], redoGroup)
|
|
self.pushUndo(nodePathList, fResetRedo = 0)
|
|
# Redo xform
|
|
for pose in redoGroup:
|
|
pose[0].setPosHprScale(pose[1], pose[2], pose[3])
|
|
# Alert anyone who cares
|
|
messenger.send('DIRECT_redo')
|
|
|
|
# UTILITY FUNCTIONS
|
|
def useObjectHandles(self):
|
|
self.widget = self.manipulationControl.objectHandles
|
|
self.widget.reparentTo(direct.group)
|
|
|
|
def hideReadout(self):
|
|
self.readout.reparentTo(hidden)
|
|
|
|
def toggleWidgetVis(self):
|
|
self.widget.toggleWidget()
|
|
|
|
def isEnabled(self):
|
|
return self.fEnabled
|
|
|
|
def addUnpickable(self, item):
|
|
for iRay in self.iRayList:
|
|
iRay.addUnpickable(item)
|
|
|
|
def removeUnpickable(self, item):
|
|
for iRay in self.iRayList:
|
|
iRay.removeUnpickable(item)
|
|
|
|
class DisplayRegionList:
|
|
def __init__(self):
|
|
self.displayRegionList = []
|
|
for camera in base.cameraList:
|
|
self.displayRegionList.append(
|
|
DisplayRegionContext(base.win, camera))
|
|
|
|
def __getitem__(self, index):
|
|
return self.displayRegionList[index]
|
|
|
|
def __len__(self):
|
|
return len(self.displayRegionList)
|
|
|
|
def updateContext(self):
|
|
for dr in self.displayRegionList:
|
|
dr.contextTask(None)
|
|
|
|
def spawnContextTask(self):
|
|
for dr in self.displayRegionList:
|
|
dr.start()
|
|
|
|
def removeContextTask(self):
|
|
for dr in self.displayRegionList:
|
|
dr.stop()
|
|
|
|
def setNearFar(self, near, far):
|
|
for dr in self.displayRegionList:
|
|
dr.camNode.setNearFar(near, far)
|
|
|
|
def setNear(self, near):
|
|
for dr in self.displayRegionList:
|
|
dr.camNode.setNear(near)
|
|
|
|
def setFar(self, far):
|
|
for dr in self.displayRegionList:
|
|
dr.camNode.setFar(far)
|
|
|
|
def setFov(self, hfov, vfov):
|
|
for dr in self.displayRegionList:
|
|
dr.camNode.setFov(hfov, vfov)
|
|
|
|
def setHfov(self, fov):
|
|
for dr in self.displayRegionList:
|
|
dr.camNode.setHfov(fov)
|
|
|
|
def setVfov(self, fov):
|
|
for dr in self.displayRegionList:
|
|
dr.camNode.setVfov(fov)
|
|
|
|
class DisplayRegionContext:
|
|
def __init__(self, win, camera):
|
|
self.win = win
|
|
self.camera = camera
|
|
self.cam = self.camera.find('**/+Camera')
|
|
self.camNode = self.cam.getNode(0)
|
|
self.iRay = SelectionRay(self.camera)
|
|
self.nearVec = Vec3(0)
|
|
self.mouseX = 0.0
|
|
self.mouseY = 0.0
|
|
|
|
def __getitem__(self,key):
|
|
return self.__dict__[key]
|
|
|
|
def start(self):
|
|
# First shutdown any existing task
|
|
self.stop()
|
|
# Start a new context task
|
|
self.spawnContextTask()
|
|
|
|
def stop(self):
|
|
# Kill the existing context task
|
|
taskMgr.removeTasksNamed('DIRECTContextTask')
|
|
|
|
def spawnContextTask(self):
|
|
taskMgr.spawnTaskNamed(Task.Task(self.contextTask),
|
|
'DIRECTContextTask')
|
|
|
|
def removeContextTask(self):
|
|
taskMgr.removeTasksNamed('DIRECTContextTask')
|
|
|
|
def contextTask(self, state):
|
|
# Window Data
|
|
self.width = self.win.getWidth()
|
|
self.height = self.win.getHeight()
|
|
self.near = self.camNode.getNear()
|
|
self.far = self.camNode.getFar()
|
|
self.fovH = self.camNode.getHfov()
|
|
self.fovV = self.camNode.getVfov()
|
|
self.nearWidth = math.tan(deg2Rad(self.fovH / 2.0)) * self.near * 2.0
|
|
self.nearHeight = math.tan(deg2Rad(self.fovV / 2.0)) * self.near * 2.0
|
|
self.left = -self.nearWidth/2.0
|
|
self.right = self.nearWidth/2.0
|
|
self.top = self.nearHeight/2.0
|
|
self.bottom = -self.nearHeight/2.0
|
|
# Mouse Data
|
|
# Last frame
|
|
self.mouseLastX = self.mouseX
|
|
self.mouseLastY = self.mouseY
|
|
# Values for this frame
|
|
# This ranges from -1 to 1
|
|
if (base.mouseWatcher.node().hasMouse()):
|
|
self.mouseX = base.mouseWatcher.node().getMouseX()
|
|
self.mouseY = base.mouseWatcher.node().getMouseY()
|
|
# Delta percent of window the mouse moved
|
|
self.mouseDeltaX = self.mouseX - self.mouseLastX
|
|
self.mouseDeltaY = self.mouseY - self.mouseLastY
|
|
self.nearVec.set((self.nearWidth/2.0) * self.mouseX,
|
|
self.near,
|
|
(self.nearHeight/2.0) * self.mouseY)
|
|
# Continue the task
|
|
return Task.cont
|
|
|