Campbell Barton
e8da6131fd
Move copyright text to SPDX-FileCopyrightText or set to the Blender Foundation so "make check_licenses" now runs without warnings.
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
# SPDX-FileCopyrightText: 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
|
|
#
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
import bpy
|
|
from bpy.app.handlers import persistent
|
|
|
|
|
|
@persistent
|
|
def power_sequencer_playback_speed_post(scene):
|
|
"""
|
|
Handler function for faster playback
|
|
Skips keyframes after a frame change based on the playback_speed value
|
|
It steps over frame rather than increase the playback speed smoothly,
|
|
but it's still useful for faster editing
|
|
"""
|
|
|
|
# Calling this function triggers a callback to this function via the frame
|
|
# changed handler, causing a stack overflow. We use a property to prevent
|
|
# errors.
|
|
if bpy.context.screen and not bpy.context.screen.is_animation_playing:
|
|
return
|
|
|
|
playback_speed = scene.power_sequencer.playback_speed
|
|
|
|
target_frame = scene.frame_current
|
|
if playback_speed == "DOUBLE":
|
|
target_frame += 1
|
|
elif playback_speed == "TRIPLE":
|
|
target_frame += 2
|
|
|
|
if target_frame != scene.frame_current:
|
|
bpy.ops.screen.frame_offset(delta=target_frame - scene.frame_current)
|
|
|
|
|
|
def draw_playback_speed(self, context):
|
|
layout = self.layout
|
|
scene = context.scene
|
|
layout.prop(scene.power_sequencer, "playback_speed")
|
|
|
|
|
|
def draw_ui_menu(self, context):
|
|
layout = self.layout
|
|
layout.menu("POWER_SEQUENCER_MT_main")
|
|
|
|
|
|
def register_handlers():
|
|
# Menus
|
|
bpy.types.SEQUENCER_HT_header.append(draw_ui_menu)
|
|
bpy.types.SEQUENCER_HT_header.append(draw_playback_speed)
|
|
|
|
# Handlers
|
|
bpy.app.handlers.frame_change_post.append(power_sequencer_playback_speed_post)
|
|
|
|
|
|
def unregister_handlers():
|
|
# Menus
|
|
bpy.types.SEQUENCER_HT_header.remove(draw_ui_menu)
|
|
bpy.types.SEQUENCER_HT_header.remove(draw_playback_speed)
|
|
|
|
# Handlers
|
|
bpy.app.handlers.frame_change_post.remove(power_sequencer_playback_speed_post)
|