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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy
import os
import shutil
from bpy.types import Operator
from bpy_extras.io_utils import unpack_list
def CLIP_track_view_selected(sc, track):
if track.select_anchor:
return True
if sc.show_marker_pattern and track.select_pattern:
return True
if sc.show_marker_search and track.select_search:
return True
return False
class CLIP_OT_track_to_empty(Operator):
"""Create an Empty object which will be copying movement of active track"""
bl_idname = "clip.track_to_empty"
bl_label = "Link Empty to Track"
bl_options = {'UNDO', 'REGISTER'}
def _link_track(self, context, track):
sc = context.space_data
constraint = None
ob = None
ob = bpy.data.objects.new(name=track.name, object_data=None)
ob.select = True
bpy.context.scene.objects.link(ob)
bpy.context.scene.objects.active = ob
for con in ob.constraints:
if con.type == 'FOLLOW_TRACK':
constraint = con
break
if constraint is None:
constraint = ob.constraints.new(type='FOLLOW_TRACK')
constraint.clip = sc.clip
constraint.track = track.name
constraint.use_3d_position = False
def execute(self, context):
sc = context.space_data
clip = sc.clip
for track in clip.tracking.tracks:
if CLIP_track_view_selected(sc, track):
self._link_track(context, track)
return {'FINISHED'}
class CLIP_OT_bundles_to_mesh(Operator):
"""Create vertex cloud using coordinates of reconstructed tracks"""
bl_idname = "clip.bundles_to_mesh"
bl_label = "3D Markers to Mesh"
bl_options = {'UNDO', 'REGISTER'}
@classmethod
def poll(cls, context):
sc = context.space_data
return (sc.type == 'CLIP_EDITOR') and sc.clip
def execute(self, context):
sc = context.space_data
clip = sc.clip
new_verts = []
mesh = bpy.data.meshes.new(name="Tracks")
for track in clip.tracking.tracks:
if track.has_bundle:
new_verts.append(track.bundle)
if new_verts:
mesh.vertices.add(len(new_verts))
mesh.vertices.foreach_set("co", unpack_list(new_verts))
ob = bpy.data.objects.new(name="Tracks", object_data=mesh)
bpy.context.scene.objects.link(ob)
return {'FINISHED'}
class CLIP_OT_delete_proxy(Operator):
"""Delete movie clip proxy files from the hard drive"""
bl_idname = "clip.delete_proxy"
bl_label = "Delete Proxy"
bl_options = {'REGISTER'}
@classmethod
def poll(cls, context):
if context.space_data.type != 'CLIP_EDITOR':
return False
sc = context.space_data
return sc.clip
def invoke(self, context, event):
wm = context.window_manager
return wm.invoke_confirm(self, event)
def _rmproxy(self, abspath):
if not os.path.exists(abspath):
return
if os.path.isdir(abspath):
shutil.rmtree(abspath)
else:
os.remove(abspath)
def execute(self, context):
sc = context.space_data
clip = sc.clip
if clip.use_proxy_custom_directory:
proxydir = clip.proxy.directory
else:
clipdir = os.path.dirname(clip.filepath)
proxydir = os.path.join(clipdir, 'BL_proxy')
clipfile = os.path.basename(clip.filepath)
proxy = os.path.join(proxydir, clipfile)
absproxy = bpy.path.abspath(proxy)
# proxy_<quality>[_undostorted]
for x in (25, 50, 75, 100):
d = os.path.join(absproxy, 'proxy_' + str(x))
self._rmproxy(d)
self._rmproxy(d + '_undistorted')
self._rmproxy(os.path.join(absproxy, 'proxy_' + str(x) + '.avi'))
tc = ('free_run.blen_tc',
'interp_free_run.blen_tc',
'record_run.blen_tc')
for x in tc:
self._rmproxy(os.path.join(absproxy, x))
# remove proxy per-clip directory
try:
os.rmdir(absproxy)
except OSError:
pass
# remove [custom] proxy directory if empty
try:
absdir = bpy.path.abspath(proxydir)
os.rmdir(absdir)
except OSError:
pass
return {'FINISHED'}
class CLIP_OT_set_viewport_background(Operator):
"""Set current movie clip as a camera background in 3D viewport \
(works only when a 3D viewport is visible)"""
bl_idname = "clip.set_viewport_background"
bl_label = "Set as Background"
bl_options = {'REGISTER'}
@classmethod
def poll(cls, context):
if context.space_data.type != 'CLIP_EDITOR':
return False
sc = context.space_data
return sc.clip
def _set_background(self, space_v3d, clip, user):
bgpic = None
for x in space_v3d.background_images:
if x.source == 'MOVIE':
bgpic = x
break
if not bgpic:
bgpic = space_v3d.background_images.new()
bgpic.source = 'MOVIE'
bgpic.clip = clip
bgpic.clip_user.proxy_render_size = user.proxy_render_size
bgpic.clip_user.use_render_undistorted = user.use_render_undistorted
bgpic.use_camera_clip = False
bgpic.view_axis = 'CAMERA'
space_v3d.show_background_images = True
def execute(self, context):
sc = context.space_data
clip = sc.clip
for area in context.window.screen.areas:
if area.type == 'VIEW_3D':
for space in area.spaces:
if space.type == 'VIEW_3D':
self._set_background(space, clip, sc.clip_user)
return {'FINISHED'}
class CLIP_OT_constraint_to_fcurve(Operator):
"""Create F-Curves for object which will copy \
object's movement caused by this constraint"""
bl_idname = "clip.constraint_to_fcurve"
bl_label = "Constraint to F-Curve"
bl_options = {'UNDO', 'REGISTER'}
def _bake_object(self, scene, ob):
con = None
clip = None
sfra = None
efra = None
frame_current = scene.frame_current
matrices = []
# Find constraint which would eb converting
# TODO: several camera solvers and track followers would fail,
# but can't think about eal workflow where it'll be useful
for x in ob.constraints:
if x.type in ('CAMERA_SOLVER', 'FOLLOW_TRACK'):
con = x
if not con:
self.report({'ERROR'},
"Motion Tracking constraint to be converted not found")
return {'CANCELLED'}
# Get clip used for parenting
if con.use_active_clip:
clip = scene.active_clip
else:
clip = con.clip
if not clip:
self.report({'ERROR'},
"Movie clip to use tracking data from isn't set")
return {'CANCELLED'}
if con.type == 'FOLLOW_TRACK' and con.use_3d_position:
mat = ob.matrix_world.copy()
ob.constraints.remove(con)
ob.matrix_world = mat
return {'FINISHED'}
# Find start and end frames
for track in clip.tracking.tracks:
if sfra is None:
sfra = track.markers[0].frame
else:
sfra = min(sfra, track.markers[0].frame)
if efra is None:
efra = track.markers[-1].frame
else:
efra = max(efra, track.markers[-1].frame)
if sfra is None or efra is None:
return
# Store object matrices
for x in range(sfra, efra + 1):
scene.frame_set(x)
matrices.append(ob.matrix_world.copy())
ob.animation_data_create()
# Apply matrices on object and insert keyframes
i = 0
for x in range(sfra, efra + 1):
scene.frame_set(x)
ob.matrix_world = matrices[i]
ob.keyframe_insert("location")
if ob.rotation_mode == 'QUATERNION':
ob.keyframe_insert("rotation_quaternion")
else:
ob.keyframe_insert("rotation_euler")
i += 1
ob.constraints.remove(con)
scene.frame_set(frame_current)
def execute(self, context):
scene = context.scene
for ob in scene.objects:
if ob.select:
self._bake_object(scene, ob)
return {'FINISHED'}
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