def load(plugin_path):
if os.name == 'nt':
env_path = ';%s' % plugin_path
else:
env_path = ':%s' % plugin_path
maya_plugin_path = mel.eval('getenv "MAYA_PLUG_IN_PATH"')
if plugin_path not in maya_plugin_path:
mel.eval('putenv "MAYA_PLUG_IN_PATH" "' + maya_plugin_path + env_path +
'"')
if cmds.pluginInfo(plugin_name, q=True, r=True):
try:
cmds.unloadPlugin(plugin_name, force=True)
except Exception as e:
logging.exception(e)
sys.path.append(plugin_path)
try:
import tweener
reload(tweener)
tweener.reload_mods()
except Exception as e:
logging.exception(e)
try:
cmds.loadPlugin(plugin_name)
if cmds.pluginInfo(plugin_name, q=True, r=True):
cmds.pluginInfo(plugin_name, e=True, autoload=True)
except Exception as e:
logging.exception(e)
try:
cmds.tweener()
except Exception as e:
cmds.warning('Could not execute tweener command: %s' % str(e))
answer = cmds.confirmDialog(
t='Tweener Installed!',
m='Tweener was installed at:\n'
'%s\n\n'
'Would you like to add a shelf button to the current shelf?' %
plugin_path,
button=['Yes', 'No'],
db='Yes',
cb='No',
ds='No')
if answer == 'Yes':
try:
tweener.ui.add_shelf_button(path=plugin_path)
except Exception as e:
logging.exception(e)
sys.stdout.write(
'# Tweener install completed! See the Script Editor for more information.\n'
)
def fraction_clicked(self, value):
value = value * 2.0 - 1.0
self.interpolation_mode = self.mode_button_group.checkedButton().mode()
cmds.undoInfo(openChunk=True, chunkName="tweener")
try:
cmds.tweener(t=value, newCache=True, type=self.interpolation_mode.idx)
# cmds.tweener(t=value, newCache=False, type=self.interpolation_mode.idx)
finally:
cmds.undoInfo(closeChunk=True)
def release(self):
"""
Dragger context release event handler.
"""
blend = self.get_blend()
if self.live_preview:
cmds.tweener(t=blend, newCache=False, type=self.interpolation_mode.idx)
else:
cmds.tweener(t=blend, newCache=True, type=self.interpolation_mode.idx)
cmds.refresh()
def slider_released(self):
self.dragging = False
slider_value = self.slider.value()
blend = slider_value / 100.0
if self.live_preview:
cmds.tweener(t=blend, newCache=False, type=self.interpolation_mode.idx)
else:
cmds.tweener(t=blend, newCache=True, type=self.interpolation_mode.idx)
self.slider.setValue(0)
self.slider_label.setText('')
om.MEventMessage.removeCallback(self.idle_callback)
def slider_pressed(self):
self.dragging = True
slider_value = self.slider.value()
blend = slider_value / 100.0
self.interpolation_mode = self.mode_button_group.checkedButton().mode()
# only update when maya is idle to prevent multiple calls without seeing the result
self.idle_callback = om.MEventMessage.addEventCallback('idle', self.slider_changed)
if self.live_preview:
# disable undo on first call, so we don't get 2 undos in queue
# both press and release add to the same cache, so it should be safe
cmds.undoInfo(stateWithoutFlush=False)
cmds.tweener(t=blend, newCache=True, type=self.interpolation_mode.idx)
cmds.undoInfo(stateWithoutFlush=True)
tween.interpolate(blend=blend, mode=self.interpolation_mode)
def press(self):
"""
Dragger context press event handler.
Gets the initial position and reads in the available options. An
initial interpolation is also performed.
"""
self.press_position = cmds.draggerContext('tweenerToolContext',
q=True,
anchorPoint=True)
self.interpolation_mode = options.load_interpolation_mode()
self.overshoot = options.load_overshoot()
self.live_preview = options.load_live_preview()
# disable undo on first call, so we don't get 2 undos in queue
# both press and release add to the same cache, so it should be safe
if self.live_preview:
cmds.undoInfo(stateWithoutFlush=False)
cmds.tweener(t=0.0, newCache=True, type=self.interpolation_mode.idx)
cmds.undoInfo(stateWithoutFlush=True)
tween.interpolate(blend=0.0, mode=self.interpolation_mode)
cmds.refresh()