def __init__(self): BasicApplication.__init__(self) # initialize timer self.timer = Timer(self.OnTimer) # initialize state self.scene = Scene() self.scene.modified = False self.camera = Camera(Vector3f(4), Euler(DegToRad(45), DegToRad(-45))) self.selectedCamera = None # initialize window self.window = Window(self) self.window.canvas.OnRender = self.OnRender
def __init__(self): BasicApplication.__init__(self) # initialize timer self.timer = Timer(self.OnTimer) # initialize state self.scene = Scene() self.scene.modified = False self.camera = ZoomCamera() self.selected = [] self.mode = self.SELECT_MODE # initialize window self.window = Window(self) self.window.canvas.OnRender = self.OnRender
class Application(BasicApplication):
# modes
SELECT_MODE = 0
MOVE_MODE = 1
MOVE_X_MODE = 2
MOVE_Y_MODE = 3
MOVE_Z_MODE = 4
ROTATE_X_MODE = 6
ROTATE_Y_MODE = 7
ROTATE_Z_MODE = 8
SCALE_MODE = 9
SCALE_X_MODE = 10
SCALE_Y_MODE = 11
SCALE_Z_MODE = 12
SCALE_RADIAL_X_MODE = 13
SCALE_RADIAL_Y_MODE = 14
SCALE_RADIAL_Z_MODE = 15
def __init__(self):
BasicApplication.__init__(self)
# initialize timer
self.timer = Timer(self.OnTimer)
# initialize state
self.scene = Scene()
self.scene.modified = False
self.camera = ZoomCamera()
self.selected = []
self.mode = self.SELECT_MODE
# initialize window
self.window = Window(self)
self.window.canvas.OnRender = self.OnRender
def Update(self, deltaTime):
if self.window.active:
# update camera position
translation = Vector3f()
if wx.GetKeyState(ord('A')): translation.x -= 1
if wx.GetKeyState(ord('D')): translation.x += 1
if wx.GetKeyState(ord('Q')): translation.y -= 1
if wx.GetKeyState(ord('E')): translation.y += 1
if wx.GetKeyState(ord('W')): translation.z -= 1
if wx.GetKeyState(ord('S')): translation.z += 1
if any(translation):
if wx.GetKeyState(wx.WXK_CONTROL): translation *= .25
if wx.GetKeyState(wx.WXK_SHIFT): translation *= 4
translation.x, translation.z = (
Euler(self.camera.orientation.yaw, 0, 0) *
Vector3f(translation.x, 0, translation.z)).Swizzle(0, 2)
self.camera.position += (translation *
prefs['camera.translation.speed'] * deltaTime)
self.window.canvas.Refresh()
def AskSave(self):
if self.scene.modified:
result = ShowSaveChangesDialog(self.window)
if result: self.SaveScene()
elif result is None: return False
return True
def Exit(self):
if not self.Destroy(): return
self.window.Close()
def Destroy(self, ask = True):
if ask and not self.AskSave(): return False
self.timer.Stop()
return True
# rendering
def Render(self):
SetCameraMatrix(self.camera)
DrawScene(self.scene, self.selected,
(1., .5, .5) if self.mode == self.SELECT_MODE else (1., .75, .5))
# draw wireframe
if prefs['render.wireframe']:
glPushAttrib(GL_DEPTH_BUFFER_BIT)
glDepthMask(False)
DrawSceneWireframe(self.scene)
glPopAttrib()
# draw world axes
if prefs['render.axes']:
self.DrawAxes()
def DrawAxes(self):
glTranslate(*self.camera.position)
glPushAttrib(GL_CURRENT_BIT | GL_DEPTH_BUFFER_BIT)
glDepthMask(False)
glDepthFunc(GL_GEQUAL)
glBegin(GL_LINES)
axes = (
Vector3f(1, 0, 0),
Vector3f(0, 1, 0),
Vector3f(0, 0, 1))
for axis in axes:
glColor((axis * 0.5).tolist())
glVertex(0, 0, 0)
glVertex((axis * 0.5).tolist())
glEnd()
glDepthMask(True)
glDepthFunc(GL_LESS)
glBegin(GL_LINES)
for axis in axes:
glColor(axis.tolist())
glVertex(0, 0, 0)
glVertex((axis * 0.5).tolist())
glEnd()
glPopAttrib()
# selection
def RenderSelect(self, cursorPosition):
SetCameraMatrixForSelect(self.camera, cursorPosition)
# initialize selection mode
glSelectBuffer(256)
glRenderMode(GL_SELECT)
glInitNames()
# draw scene
DrawSceneForSelect(self.scene)
glFlush()
return glRenderMode(GL_RENDER)
def Select(self, cursorPosition):
nameStack = self.RenderSelect(cursorPosition)
if nameStack:
nearest = (None, 1.)
for near, far, names in nameStack:
if near < nearest[1]:
nearest = (names, near)
if nearest[0]:
names = nearest[0]
return self.scene.forms[names[0]]
return None
def UpdateSelection(self, cursorPosition, shiftDown, ctrlDown):
selection = self.Select(cursorPosition)
if selection:
if shiftDown:
if ctrlDown:
if selection in self.selected:
self.selected.remove(selection)
self.window.canvas.Refresh()
elif selection not in self.selected:
self.selected.append(selection)
self.window.canvas.Refresh()
elif [selection] != self.selected:
self.selected = [selection]
self.window.canvas.Refresh()
elif not shiftDown and self.selected:
self.selected = []
self.window.canvas.Refresh()
# mode functions
def SetMode(self, mode):
self.mode = mode
self.window.canvas.Refresh()
def BakeMode(self):
if self.mode != self.SELECT_MODE:
for sel in self.selected:
sel.BakeTransformation()
self.SetMode(self.SELECT_MODE)
self.scene.modified = True
def ResetMode(self):
if self.mode != self.SELECT_MODE:
for sel in self.selected:
sel.ResetTransformation()
self.SetMode(self.SELECT_MODE)
def ModeOnCursorMotion(self, motion):
if self.mode == self.MOVE_MODE:
translation = (
Euler(self.camera.orientation.yaw, 0, 0) *
Vector3f(motion.x, 0, motion.y) *
prefs['tool.translation.speed'])
for sel in self.selected:
sel.translation += translation
else:
translation = motion.x * prefs['tool.translation.speed']
rotation = motion.x * prefs['tool.rotation.speed']
scale = motion.x * prefs['tool.scale.speed']
if self.mode == self.MOVE_X_MODE:
for sel in self.selected:
sel.translation.x += translation
elif self.mode == self.MOVE_Y_MODE:
for sel in self.selected:
sel.translation.y += translation
elif self.mode == self.MOVE_Z_MODE:
for sel in self.selected:
sel.translation.z += translation
elif self.mode == self.ROTATE_X_MODE:
for sel in self.selected:
sel.rotation.pitch += rotation
elif self.mode == self.ROTATE_Y_MODE:
for sel in self.selected:
sel.rotation.yaw += rotation
elif self.mode == self.ROTATE_Z_MODE:
for sel in self.selected:
sel.rotation.roll += rotation
elif self.mode == self.SCALE_MODE:
for sel in self.selected:
sel.rescale += scale
elif self.mode == self.SCALE_X_MODE:
for sel in self.selected:
sel.rescale.x += scale
elif self.mode == self.SCALE_Y_MODE:
for sel in self.selected:
sel.rescale.y += scale
elif self.mode == self.SCALE_Z_MODE:
for sel in self.selected:
sel.rescale.z += scale
elif self.mode == self.SCALE_RADIAL_X_MODE:
for sel in self.selected:
sel.rescale.y += scale
sel.rescale.z += scale
elif self.mode == self.SCALE_RADIAL_Y_MODE:
for sel in self.selected:
sel.rescale.x += scale
sel.rescale.z += scale
elif self.mode == self.SCALE_RADIAL_Z_MODE:
for sel in self.selected:
sel.rescale.x += scale
sel.rescale.y += scale
self.window.canvas.Refresh()
# camera modifiers
def RotateCamera(self, cursorTranslation):
cursorTranslation *= prefs['camera.rotation.speed']
rotation = Euler([RevToRad(c) for c in -cursorTranslation])
self.camera.orientation *= rotation
self.window.canvas.Refresh()
def GotoSelection(self):
if self.selected:
self.camera.position = \
sum([sel.position for sel in self.selected]) / len(self.selected)
self.window.canvas.Refresh()
# scene modifiers
def NewForm(self):
path = ShowOpenModelDialog(self.window,
os.path.dirname(prefs['file.model.last']) + os.path.sep)
if path:
model = Model().FromFile(path)
name = os.path.splitext(os.path.basename(path))[0]
form = self.scene.Form(name, model)
form.position = self.camera.position
form.orientation.yaw = self.camera.orientation.yaw
self.scene.forms.append(form)
self.scene.modified = True
self.window.canvas.Refresh()
prefs['file.model.last'] = path
# absolute positioning
def PutOnTrack(self):
# FIXME: implement
self.window.canvas.Refresh()
def PutOnGround(self):
print 'working...'
for sel in self.selected:
if sel.name:
print ' %s...' % sel.name
nearest = (NegInf, None)
for form in self.scene.forms:
if form.model and form not in self.selected:
for part in form.model.parts:
vertices = [form.matrix * vertex.co for vertex in part.mesh.vertices]
for face in part.mesh.faces:
if IsPointInTriangle(
sel.position.Swizzle(0, 2),
vertices[face.indices[0]].Swizzle(0, 2),
vertices[face.indices[1]].Swizzle(0, 2),
vertices[face.indices[2]].Swizzle(0, 2)):
mu = Barycentric(
sel.position.Swizzle(0, 2),
vertices[face.indices[0]].Swizzle(0, 2),
vertices[face.indices[1]].Swizzle(0, 2),
vertices[face.indices[2]].Swizzle(0, 2))
height = Bilerp(
vertices[face.indices[0]].y,
vertices[face.indices[1]].y,
vertices[face.indices[2]].y, *mu)
if (height <= sel.position.y + .001 and
height > nearest[0]):
normal = Bilerp(
Orientation.GetMatrix(form) * part.mesh.vertices[face.indices[0]].no,
Orientation.GetMatrix(form) * part.mesh.vertices[face.indices[1]].no,
Orientation.GetMatrix(form) * part.mesh.vertices[face.indices[2]].no, *mu).Norm()
nearest = (height, normal)
if nearest[1]:
sel.position.y = nearest[0]
# FIXME: this implementation doesn't work
# sel.orientation = EulerBetween(Vector3f(0, 1, 0), normal)
self.window.canvas.Refresh()
print 'done'
# selection modifiers
def DeleteSelection(self):
if self.selected:
for sel in self.selected:
self.scene.forms.remove(sel)
self.selected = []
self.window.canvas.Refresh()
def ToggleSelection(self):
for form in self.scene.forms:
if form in self.selected:
self.selected = []
break
else:
self.selected = self.scene.forms
self.window.canvas.Refresh()
# file menu functions
def NewScene(self):
if not self.AskSave(): return
self.scene.__init__()
self.scene.modified = False
self.selected = []
self.window.canvas.Refresh()
def OpenScene(self):
if not self.AskSave(): return
path = ShowOpenSceneDialog(self.window,
os.path.dirname(prefs['file.scene.last']) + os.path.sep)
if path:
self.scene.FromFile(path)
self.scene.modified = False
self.selected = []
self.window.canvas.Refresh()
prefs['file.scene.last'] = path
print 'scene loaded from %s' % self.scene.path
def SaveScene(self):
if self.scene.modified:
if self.scene.absPath:
self.scene.ToFile()
self.scene.modified = False
print 'scene saved as %s' % self.scene.path
else:
self.SaveSceneAs()
def SaveSceneAs(self):
scenePath = ShowSaveSceneDialog(self.window, self.scene.absPath)
if scenePath:
self.scene.ToFile(scenePath)
self.scene.modified = False
print 'scene saved as %s' % self.scene.path
def RevertScene(self):
if self.scene.absPath:
self.scene.FromFile()
self.scene.modified = False
self.selected = []
self.window.canvas.Refresh()
print 'scene reverted from %s' % self.scene.path
def ChangeRootDir(self):
# FIXME: this should be a standard dialog
# FIXME: we will have to reload all resources if root is changed
pass
'''
dlg = wx.DirDialog(self, 'Choose a root directory for loading resources', prefs['res.root'], wx.DD_DEFAULT_STYLE | wx.DD_DIR_MUST_EXIST)
if dlg.ShowModal() == wx.ID_OK:
prefs['res.root'] = dlg.GetPath()
'''
def ShowPreferences(self):
pass # FIXME: show preference dialog
# event handlers
def OnRender(self):
self.timer.Update()
def OnTimer(self):
self.Update(self.timer.delta)
class Application(BasicApplication):
# selection constraints
selectFaceConstraint = 1
deselectFaceConstraint = 2
selectCameraConstraint = 3
deselectCameraConstraint = 4
def __init__(self):
BasicApplication.__init__(self)
# initialize timer
self.timer = Timer(self.OnTimer)
# initialize state
self.scene = Scene()
self.scene.modified = False
self.camera = Camera(Vector3f(4), Euler(DegToRad(45), DegToRad(-45)))
self.selectedCamera = None
# initialize window
self.window = Window(self)
self.window.canvas.OnRender = self.OnRender
def Update(self, deltaTime):
if self.window.active:
# update camera position
translation = Vector3f()
if wx.GetKeyState(ord('A')): translation.x -= 1
if wx.GetKeyState(ord('D')): translation.x += 1
if wx.GetKeyState(ord('Q')): translation.y -= 1
if wx.GetKeyState(ord('E')): translation.y += 1
if wx.GetKeyState(ord('W')): translation.z -= 1
if wx.GetKeyState(ord('S')): translation.z += 1
if any(translation):
if wx.GetKeyState(wx.WXK_CONTROL): translation *= .25;
if wx.GetKeyState(wx.WXK_SHIFT): translation *= 4;
self.camera.position += (
self.camera.orientation * translation *
prefs['camera.translation.speed'] * deltaTime)
self.window.canvas.Refresh()
def AskSave(self):
if (self.scene.modified or
self.scene.cameraSet and self.scene.cameraSet.modified):
result = ShowSaveChangesDialog(self.window)
if result: self.Save()
elif result is None: return False
return True
def Exit(self):
if not self.Destroy(): return
self.window.Close()
def Destroy(self, ask = True):
if ask and not self.AskSave(): return False
self.timer.Stop()
return True
# rendering
def RenderEdit(self):
glPushAttrib(GL_VIEWPORT)
viewport = glGetIntegerv(GL_VIEWPORT)
glViewport(
viewport[0], viewport[1],
viewport[2] / 2, viewport[3])
SetCameraMatrix(self.camera)
# draw track
if self.scene.track:
DrawTrack(self.scene.track, (
[face for i, face in enumerate(self.scene.track.faces)
if self.selectedCamera in self.scene.cameraSet.trackFaces[i].cameras]
if self.scene.cameraSet else ()))
# draw cameras
if self.scene.cameraSet:
DrawCameras(self.scene.cameraSet.cameras, (self.selectedCamera,))
glPopAttrib()
def RenderView(self):
glPushAttrib(GL_VIEWPORT)
viewport = glGetIntegerv(GL_VIEWPORT)
glViewport(
viewport[0] + viewport[2] / 2, viewport[1],
viewport[2] - viewport[2] / 2, viewport[3])
SetCameraMatrix(self.selectedCamera or self.camera)
# draw scene
DrawScene(self.scene)
# draw track
if self.scene.track:
DrawTrack(self.scene.track, (
[face for i, face in enumerate(self.scene.track.faces)
if self.selectedCamera in self.scene.cameraSet.trackFaces[i].cameras]
if self.scene.cameraSet else ()))
glPopAttrib()
# selection
def RenderSelect(self, cursorPosition):
glPushAttrib(GL_VIEWPORT)
viewport = glGetIntegerv(GL_VIEWPORT)
glViewport(
viewport[0], viewport[1],
viewport[2] / 2, viewport[3])
SetCameraMatrixForSelect(self.camera, cursorPosition)
# initialize selection mode
glSelectBuffer(256)
glRenderMode(GL_SELECT)
glInitNames()
# draw track
if self.scene.track:
glPushName(0)
DrawTrackForSelect(self.scene.track)
glPopName()
# draw cameras
if self.scene.cameraSet:
glPushName(1)
DrawCamerasForSelect(self.scene.cameraSet.cameras)
glPopName()
glPopAttrib()
glFlush()
return glRenderMode(GL_RENDER)
def Select(self, cursorPosition):
nameStack = self.RenderSelect(cursorPosition)
if nameStack:
nearest = (None, 1.)
for near, far, names in nameStack:
if near < nearest[1]:
nearest = (names, near)
if nearest[0]:
names = nearest[0]
if names[0] == 0: return self.scene.track.faces[names[1]]
if names[0] == 1: return self.scene.cameraSet.cameras[names[1]]
assert not 'invalid name in stack'
return None
def UpdateSelection(self, cursorPosition, reset = False):
if reset: self.__selectConstraint = None
cursorPosition = Vector2i(cursorPosition)
if cursorPosition.x < self.window.canvas.Size[0] / 2:
selection = self.Select(cursorPosition)
if isinstance(selection, Track.Face):
if self.selectedCamera:
i = self.scene.track.faces.index(selection)
cameras = self.scene.cameraSet.trackFaces[i].cameras
if self.selectedCamera not in cameras:
if (not self.__selectConstraint or
self.__selectConstraint is self.selectFaceConstraint):
self.__selectConstraint = self.selectFaceConstraint
cameras.append(self.selectedCamera)
self.scene.cameraSet.modified = True
self.window.canvas.Refresh()
else:
if (not self.__selectConstraint or
self.__selectConstraint is self.deselectFaceConstraint):
self.__selectConstraint = self.deselectFaceConstraint
cameras.remove(self.selectedCamera)
self.scene.cameraSet.modified = True
self.window.canvas.Refresh()
elif isinstance(selection, CameraSet.Camera):
if (not self.__selectConstraint or
self.__selectConstraint is self.selectCameraConstraint):
self.__selectConstraint = self.selectCameraConstraint
if selection is not self.selectedCamera:
self.selectedCamera = selection
self.window.canvas.Refresh()
elif selection is None:
if (not self.__selectConstraint or
self.__selectConstraint is self.deselectCameraConstraint):
self.__selectConstraint = self.deselectCameraConstraint
if self.selectedCamera:
self.selectedCamera = None
self.window.canvas.Refresh()
# camera modifiers
def RotateCamera(self, cursorTranslation):
cursorTranslation *= prefs['camera.rotation.speed'] * .001
rotation = Euler([RevToRad(c) for c in -cursorTranslation])
self.camera.orientation *= rotation
self.window.canvas.Refresh()
# camera set modifiers
def NewCamera(self):
if not self.scene.cameraSet:
MakeCameraSet(self.scene)
camera = CameraSet.Camera()
camera.position = self.camera.position
camera.orientation = Quaternion(self.camera.orientation)
camera.fov = self.camera.fov
self.scene.cameraSet.cameras.append(camera)
self.selectedCamera = camera
self.scene.cameraSet.modified = True
self.window.canvas.Refresh()
def DeleteSelectedCamera(self):
assert self.selectedCamera
self.ClearFaceSelection()
self.scene.cameraSet.cameras.remove(self.selectedCamera)
self.scene.cameraSet.modified = True
self.selectedCamera = None
self.window.canvas.Refresh()
def RepositionSelectedCamera(self):
assert self.selectedCamera
self.selectedCamera.position = self.camera.position
self.selectedCamera.orientation = Quaternion(self.camera.orientation)
self.scene.cameraSet.modified = True
self.window.canvas.Refresh()
def ShowSelectedCameraProperties(self):
if CameraPropertiesDialog(self.window.canvas, self.selectedCamera).ShowModal():
self.scene.cameraSet.modified = True
self.window.canvas.Refresh()
# track face selection modifiers
def ClearFaceSelection(self):
assert self.selectedCamera
for face in self.scene.cameraSet.trackFaces:
if self.selectedCamera in face.cameras:
face.cameras.remove(self.selectedCamera)
self.scene.cameraSet.modified = True
self.window.canvas.Refresh()
def ToggleFaceSelection(self):
assert self.selectedCamera
for face in self.scene.cameraSet.trackFaces:
if self.selectedCamera in face.cameras:
self.ClearFaceSelection()
return
for face in self.scene.cameraSet.trackFaces:
face.cameras.append(self.selectedCamera)
self.scene.cameraSet.modified = True
self.window.canvas.Refresh()
# file menu functions
def NewScene(self):
if not self.AskSave(): return
self.scene.__init__()
self.scene.modified = False
self.selectedCamera = None
self.window.canvas.Refresh()
def OpenScene(self):
if not self.AskSave(): return
path = ShowOpenSceneDialog(self.window,
os.path.dirname(prefs['file.scene.last']) + os.path.sep)
if path:
self.scene.FromFile(path)
self.scene.modified = False
if self.scene.cameraSet:
self.scene.cameraSet.modified = False
if self.scene.track:
BindCameraSet(self.scene.cameraSet, self.scene.track)
self.selectedCamera = None
self.window.canvas.Refresh()
prefs['file.scene.last'] = path
print 'scene loaded from %s' % self.scene.path
def Save(self):
# request scene path
if self.scene.modified and not self.scene.absPath:
scenePath = ShowSaveSceneDialog(self.window)
if not scenePath: return
# request camera set path
if self.scene.cameraSet and self.scene.cameraSet.modified and not self.scene.cameraSet.absPath:
cameraSetPath = ShowSaveCameraSetDialog(self.window,
(self.scene.absPath or scenePath).replace('.scene', '.cam'))
if not cameraSetPath: return
# NOTE: must set path here so that scene will know about it
self.scene.cameraSet.SetPath(cameraSetPath)
# save scene
if self.scene.modified:
self.scene.ToFile(self.scene.absPath or scenePath)
self.scene.modified = False
print 'scene saved as %s' % self.scene.path
# save camera set
if self.scene.cameraSet and self.scene.cameraSet.modified:
self.scene.cameraSet.ToFile()
self.scene.cameraSet.modified = False
print 'camera set saved as %s' % self.scene.cameraSet.path
def SaveAs(self):
# request scene path
scenePath = ShowSaveSceneDialog(self.window, self.scene.absPath)
# request camera set path
if self.scene.cameraSet:
cameraSetPath = ShowSaveCameraSetDialog(self.window, self.cameraSet.absPath)
if cameraSetPath:
# NOTE: must set path here so that scene will know about it
self.scene.cameraSet.SetPath(cameraSetPath)
# save scene
if scenePath:
self.scene.ToFile(scenePath)
self.scene.modified = False
print 'scene saved as %s' % self.scene.path
# save camera set
if self.scene.cameraSet and cameraSetPath:
self.scene.cameraSet.ToFile()
self.scene.cameraSet.modified = False
print 'camera set saved as %s' % self.scene.cameraSet.path
def Revert(self):
if self.scene.absPath:
self.scene.FromFile()
self.scene.modified = False
if self.scene.cameraSet:
self.scene.cameraSet.modified = False
self.selectedCamera = None
self.window.canvas.Refresh()
print 'scene reverted from %s' % self.scene.path
# event handlers
def OnRender(self):
self.timer.Update()
def OnTimer(self):
self.Update(self.timer.delta)