245 lines
8 KiB
Python
245 lines
8 KiB
Python
"""
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Contains classes useful for 3D viewports.
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Originally written by pro-rsoft,
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Modified by gjeon.
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Modified by Summer 2010 Carnegie Mellon University ETC PandaLE team: fixed a bug in Viewport.Close
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"""
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__all__ = ["Viewport", "ViewportManager"]
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from direct.showbase.DirectObject import DirectObject
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from direct.directtools.DirectGrid import DirectGrid
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from direct.showbase.ShowBase import WindowControls
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from direct.directtools.DirectGlobals import *
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from .WxPandaWindow import WxPandaWindow
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from panda3d.core import OrthographicLens, Point3, Plane, CollisionPlane, CollisionNode, NodePath
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import wx
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HORIZONTAL = wx.SPLIT_HORIZONTAL
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VERTICAL = wx.SPLIT_VERTICAL
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CREATENEW = 99
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VPLEFT = 10
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VPFRONT = 11
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VPTOP = 12
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VPPERSPECTIVE = 13
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class ViewportManager:
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"""Manages the global viewport stuff."""
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viewports = []
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gsg = None
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@staticmethod
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def initializeAll(*args, **kwargs):
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"""Calls initialize() on all the viewports."""
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for v in ViewportManager.viewports:
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v.initialize(*args, **kwargs)
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@staticmethod
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def updateAll(*args, **kwargs):
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"""Calls Update() on all the viewports."""
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for v in ViewportManager.viewports:
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v.Update(*args, **kwargs)
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@staticmethod
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def layoutAll(*args, **kwargs):
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"""Calls Layout() on all the viewports."""
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for v in ViewportManager.viewports:
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v.Layout(*args, **kwargs)
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class Viewport(WxPandaWindow, DirectObject):
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"""Class representing a 3D Viewport."""
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CREATENEW = CREATENEW
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VPLEFT = VPLEFT
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VPFRONT = VPFRONT
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VPTOP = VPTOP
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VPPERSPECTIVE = VPPERSPECTIVE
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def __init__(self, name, *args, **kwargs):
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self.name = name
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DirectObject.__init__(self)
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kwargs['gsg'] = ViewportManager.gsg
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WxPandaWindow.__init__(self, *args, **kwargs)
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ViewportManager.viewports.append(self)
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if ViewportManager.gsg == None:
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ViewportManager.gsg = self.win.getGsg()
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self.camera = None
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self.lens = None
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self.camPos = None
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self.camLookAt = None
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self.initialized = False
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self.grid = None
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self.collPlane = None
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def initialize(self):
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self.Update()
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if self.win:
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self.cam2d = base.makeCamera2d(self.win)
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self.cam2d.node().setCameraMask(LE_CAM_MASKS[self.name])
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self.cam = base.camList[-1]
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self.camera = render.attachNewNode(self.name)
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#self.camera.setName(self.name)
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#self.camera.reparentTo(render)
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self.cam.reparentTo(self.camera)
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self.camNode = self.cam.node()
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self.camNode.setCameraMask(LE_CAM_MASKS[self.name])
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self.bt = base.setupMouse(self.win, True)
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self.bt.node().setPrefix('_le_%s_'%self.name[:3])
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mw = self.bt.getParent()
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mk = mw.getParent()
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winCtrl = WindowControls(
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self.win, mouseWatcher=mw,
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cam=self.camera,
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camNode = self.camNode,
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cam2d=None,
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mouseKeyboard =mk,
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grid = self.grid)
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base.setupWindowControls(winCtrl)
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self.initialized = True
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if self.lens != None: self.cam.node().setLens(self.lens)
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if self.camPos != None: self.camera.setPos(self.camPos)
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if self.camLookAt != None: self.camera.lookAt(self.camLookAt)
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self.camLens = self.camNode.getLens()
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if self.name in ['top', 'front', 'left']:
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x = self.ClientSize.GetWidth() * 0.1
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y = self.ClientSize.GetHeight() * 0.1
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self.camLens.setFilmSize(x, y)
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self.Bind(wx.EVT_SIZE, self.onSize)
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## self.accept("wheel_down", self.zoomOut)
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## self.accept("wheel_up", self.zoomIn)
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## self.accept("page_down", self.zoomOut)
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## self.accept("page_down-repeat", self.zoomOut)
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## self.accept("page_up", self.zoomIn)
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## self.accept("page_up-repeat", self.zoomIn)
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#self.accept("mouse3", self.onRightDown)
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def Close(self):
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"""Closes the viewport."""
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if self.initialized:
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wx.Window.Close(self)
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#base.closeWindow(self.win)
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ViewportManager.viewports.remove(self)
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def onSize(self, evt):
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"""Invoked when the viewport is resized."""
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WxPandaWindow.onSize(self, evt)
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if self.win != None:
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newWidth = self.ClientSize.GetWidth()
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newHeight = self.ClientSize.GetHeight()
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if hasattr(base, "direct") and base.direct:
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for dr in base.direct.drList:
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if dr.camNode == self.camNode:
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dr.updateFilmSize(newWidth, newHeight)
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break
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def onRightDown(self, evt = None):
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"""Invoked when the viewport is right-clicked."""
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if evt == None:
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mpos = wx.GetMouseState()
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mpos = self.ScreenToClient((mpos.x, mpos.y))
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else:
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mpos = evt.GetPosition()
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self.Update()
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#self.PopupMenu(self.menu, mpos)
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#self.menu.Destroy()
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def zoomOut(self):
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self.camera.setY(self.camera, -MOUSE_ZOO_SPEED)
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def zoomIn(self):
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self.camera.setY(self.camera, MOUSE_ZOOM_SPEED)
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@staticmethod
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def make(parent, vpType = None):
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"""Safe constructor that also takes CREATENEW, VPLEFT, VPTOP, etc."""
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if vpType == None or vpType == CREATENEW:
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return Viewport(parent)
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if isinstance(vpType, Viewport): return vpType
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if vpType == VPLEFT: return Viewport.makeLeft(parent)
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if vpType == VPFRONT: return Viewport.makeFront(parent)
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if vpType == VPTOP: return Viewport.makeTop(parent)
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if vpType == VPPERSPECTIVE: return Viewport.makePerspective(parent)
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raise TypeError("Unknown viewport type: %s" % vpType)
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@staticmethod
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def makeOrthographic(parent, name, campos):
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v = Viewport(name, parent)
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v.lens = OrthographicLens()
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v.lens.setFilmSize(30)
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v.camPos = campos
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v.camLookAt = Point3(0, 0, 0)
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v.grid = DirectGrid(parent=render)
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if name == 'left':
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v.grid.setHpr(0, 0, 90)
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collPlane = CollisionNode('LeftGridCol')
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collPlane.addSolid(CollisionPlane(Plane(1, 0, 0, 0)))
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collPlane.setIntoCollideMask(BitMask32.bit(21))
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v.collPlane = NodePath(collPlane)
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v.collPlane.wrtReparentTo(v.grid)
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#v.grid.gridBack.findAllMatches("**/+GeomNode")[0].setName("_leftViewGridBack")
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LE_showInOneCam(v.grid, name)
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elif name == 'front':
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v.grid.setHpr(90, 0, 90)
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collPlane = CollisionNode('FrontGridCol')
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collPlane.addSolid(CollisionPlane(Plane(0, -1, 0, 0)))
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collPlane.setIntoCollideMask(BitMask32.bit(21))
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v.collPlane = NodePath(collPlane)
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v.collPlane.wrtReparentTo(v.grid)
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#v.grid.gridBack.findAllMatches("**/+GeomNode")[0].setName("_frontViewGridBack")
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LE_showInOneCam(v.grid, name)
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else:
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collPlane = CollisionNode('TopGridCol')
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collPlane.addSolid(CollisionPlane(Plane(0, 0, 1, 0)))
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collPlane.setIntoCollideMask(BitMask32.bit(21))
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v.collPlane = NodePath(collPlane)
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v.collPlane.reparentTo(v.grid)
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#v.grid.gridBack.findAllMatches("**/+GeomNode")[0].setName("_topViewGridBack")
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LE_showInOneCam(v.grid, name)
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return v
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@staticmethod
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def makePerspective(parent):
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v = Viewport('persp', parent)
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v.camPos = Point3(-19, -19, 19)
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v.camLookAt = Point3(0, 0, 0)
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v.grid = DirectGrid(parent=render)
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collPlane = CollisionNode('PerspGridCol')
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collPlane.addSolid(CollisionPlane(Plane(0, 0, 1, 0)))
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#oldBitmask = collPlane.getIntoCollideMask()
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#collPlane.setIntoCollideMask(BitMask32.bit(21)|oldBitmask)
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collPlane.setIntoCollideMask(BitMask32.bit(21))
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v.collPlane = NodePath(collPlane)
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v.collPlane.reparentTo(v.grid)
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collPlane2 = CollisionNode('PerspGridCol2')
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collPlane2.addSolid(CollisionPlane(Plane(0, 0, -1, 0)))
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#oldBitmask = collPlane2.getIntoCollideMask()
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#collPlane2.setIntoCollideMask(BitMask32.bit(21)|oldBitmask)
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collPlane2.setIntoCollideMask(BitMask32.bit(21))
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v.collPlane2 = NodePath(collPlane2)
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v.collPlane2.reparentTo(v.grid)
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#v.grid.gridBack.findAllMatches("**/+GeomNode")[0].setName("_perspViewGridBack")
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LE_showInOneCam(v.grid, 'persp')
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return v
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@staticmethod
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def makeLeft(parent): return Viewport.makeOrthographic(parent, 'left', Point3(600, 0, 0))
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@staticmethod
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def makeFront(parent): return Viewport.makeOrthographic(parent, 'front', Point3(0, -600, 0))
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@staticmethod
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def makeTop(parent): return Viewport.makeOrthographic(parent, 'top', Point3(0, 0, 600))
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