79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
# SPDX-License-Identifier: GPL-3.0-or-later
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# Copyright 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
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# This file is part of Power Sequencer.
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import bpy
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from bpy.app.handlers import persistent
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@persistent
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def power_sequencer_load_file_post(arg):
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"""
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Called after loading the blend file
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"""
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for scene in bpy.data.scenes:
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scene.power_sequencer.frame_pre = bpy.context.scene.frame_current
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@persistent
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def power_sequencer_playback_speed_post(scene):
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"""
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Handler function for faster playback
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Skips keyframes after a frame change based on the playback_speed value
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It steps over frame rather than increase the playback speed smoothly,
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but it's still useful for faster editing
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"""
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if bpy.context.screen and not bpy.context.screen.is_animation_playing:
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return
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playback_speed = scene.power_sequencer.playback_speed
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frame_start = scene.frame_current
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frame_post = scene.frame_current
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if playback_speed == "FAST" and frame_start % 3 == 0:
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frame_post += 1
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elif playback_speed == "FASTER" and frame_start % 2 == 0:
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frame_post += 1
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elif playback_speed == "DOUBLE":
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# 2.5x -> skip 5 frames for 2. 2 then 3 then 2 etc.
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frame_post += 1
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elif playback_speed == "TRIPLE":
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frame_post += 2
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if frame_start != frame_post:
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bpy.ops.screen.frame_offset(delta=frame_post - frame_start)
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scene.power_sequencer.frame_pre = scene.frame_current
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def draw_playback_speed(self, context):
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layout = self.layout
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scene = context.scene
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layout.prop(scene.power_sequencer, "playback_speed")
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def draw_ui_menu(self, context):
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layout = self.layout
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layout.menu("POWER_SEQUENCER_MT_main")
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def register_handlers():
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# Menus
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bpy.types.SEQUENCER_HT_header.append(draw_ui_menu)
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bpy.types.SEQUENCER_HT_header.append(draw_playback_speed)
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# Handlers
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bpy.app.handlers.load_post.append(power_sequencer_load_file_post)
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bpy.app.handlers.frame_change_post.append(power_sequencer_playback_speed_post)
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def unregister_handlers():
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# Menus
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bpy.types.SEQUENCER_HT_header.remove(draw_ui_menu)
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bpy.types.SEQUENCER_HT_header.remove(draw_playback_speed)
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# Handlers
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bpy.app.handlers.load_post.remove(power_sequencer_load_file_post)
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bpy.app.handlers.frame_change_post.remove(power_sequencer_playback_speed_post)
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