74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
import bpy
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from . import fn
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def get_active_nla_strip(all_nla=False):
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'''Return object active strip
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:all_nla: return first active strip found on all objects > NLA tracks
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'''
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if all_nla:
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objs = [o for o in bpy.data.objects if ob.animation_data]
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else:
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if not bpy.context.object:
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return
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objs = [bpy.context.object]
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for ob in objs:
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if not (anim := ob.animation_data):
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continue
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for nla in anim.nla_tracks:
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for strip in nla.strips:
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if strip.active:
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print(f'{strip.name} on Track {nla.name}')
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return strip
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class AW_OT_nla_key_speed(bpy.types.Operator):
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bl_idname = "autowalk.nla_key_speed"
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bl_label = "NLA Key Speed"
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bl_description = "Activate animate strip time and Keyframe linear for first and last animation frame"
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bl_options = {"REGISTER", "UNDO"}
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@classmethod
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def poll(cls, context):
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return context.object and context.object.type == 'ARMATURE'
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def execute(self, context):
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nla_strip = get_active_nla_strip()
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if not nla_strip:
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self.report({'ERROR'}, 'no active NLA strip')
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return {"CANCELLED"}
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# Clear if exists (or just move first and last point ?)
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fcu = nla_strip.fcurves.find('strip_time')
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if fcu:
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for k in reversed(fcu.keyframe_points):
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fcu.keyframe_points.remove(k)
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nla_strip.use_animated_time = True
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nla_strip.strip_time = nla_strip.action_frame_start
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nla_strip.keyframe_insert('strip_time', frame=nla_strip.frame_start)
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nla_strip.strip_time = nla_strip.action_frame_end
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nla_strip.keyframe_insert('strip_time', frame=nla_strip.frame_end)
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fcu = nla_strip.fcurves.find('strip_time')
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if not fcu:
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return {"CANCELLED"}
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# Go linear
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for k in fcu.keyframe_points:
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k.interpolation = 'LINEAR'
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return {"FINISHED"}
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classes=(
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AW_OT_nla_key_speed,
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)
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def register():
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for cls in classes:
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bpy.utils.register_class(cls)
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def unregister():
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for cls in reversed(classes):
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bpy.utils.unregister_class(cls) |