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https://github.com/blender/blender-addons.git
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157 lines
5.1 KiB
Python
157 lines
5.1 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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bl_addon_info = {
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'name': 'I/O: Camera Animation',
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'author': 'Campbell Barton',
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'version': '0.1',
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'blender': (2, 5, 3),
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'location': 'File > Export > Camera Animation',
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'url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/' \
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'Scripts/File_I-O/Camera_Animation',
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'category': 'Import/Export'}
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import bpy
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def writeCameras(context, path, start_frame, end_frame, only_selected=False):
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data_attrs = ['lens', 'shift_x', 'shift_y', 'dof_distance', 'clip_start', 'clip_end', 'draw_size']
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obj_attrs = ['restrict_render']
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fw = open(path, 'w').write
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scene = bpy.context.scene
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cameras = []
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for obj in scene.objects:
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if only_selected and not obj.selected:
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continue
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if obj.type != 'CAMERA':
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continue
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cameras.append((obj, obj.data))
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frame_range = range(start_frame, end_frame + 1)
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fw("cameras = {}\n")
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fw("scene = bpy.context.scene\n")
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fw("frame = scene.current_frame - 1\n")
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fw("\n")
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for obj, obj_data in cameras:
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fw("data = bpy.data.cameras.new('%s')\n" % obj.name)
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for attr in data_attrs:
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fw("data.%s = %s\n" % (attr, repr(getattr(obj_data, attr))))
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fw("obj = bpy.data.objects.new('%s', data)\n" % obj.name)
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for attr in obj_attrs:
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fw("obj.%s = %s\n" % (attr, repr(getattr(obj, attr))))
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fw("scene.objects.link(obj)\n")
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fw("cameras['%s'] = obj\n" % obj.name)
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fw("\n")
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for f in frame_range:
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scene.set_frame(f)
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fw("# new frame\n")
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fw("scene.set_frame(%d + frame)\n" % f)
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for obj, obj_data in cameras:
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fw("obj = cameras['%s']\n" % obj.name)
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matrix = obj.matrix.copy()
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fw("obj.location = %s\n" % repr(tuple(matrix.translation_part())))
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fw("obj.scale = %s\n" % repr(tuple(matrix.scale_part())))
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fw("obj.rotation_euler = %s\n" % repr(tuple(matrix.to_euler())))
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fw("obj.keyframe_insert('location')\n")
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fw("obj.keyframe_insert('scale')\n")
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fw("obj.keyframe_insert('rotation_euler')\n")
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# only key the angle
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fw("data = obj.data\n")
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fw("data.lens = %s\n" % obj_data.lens)
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fw("data.keyframe_insert('lens')\n")
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fw("\n")
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# now markers
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fw("# markers\n")
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for marker in scene.timeline_markers:
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fw("marker = scene.timeline_markers.add('%s')\n" % marker.name)
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fw("marker.frame = %d + frame\n" % marker.frame)
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# will fail if the cameras not selected
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if marker.camera:
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fw("marker.camera = cameras.get('%s')\n" % marker.camera.name)
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fw("\n")
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from bpy.props import *
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class CameraExporter(bpy.types.Operator):
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'''Save a python script which re-creartes cameras and markers elsewhere'''
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bl_idname = "export_animation.cameras"
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bl_label = "Export Camera & Markers"
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path = StringProperty(name="File Path", description="File path used for importing the RAW file", maxlen=1024, default="")
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filename = StringProperty(name="File Name", description="Name of the file.")
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directory = StringProperty(name="Directory", description="Directory of the file.")
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start_frame = IntProperty(name="Start Frame",
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description="Start frame for export",
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default=1, min=1, max=300000)
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end_frame = IntProperty(name="End Frame",
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description="End frame for export",
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default=250, min=1, max=300000)
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only_selected = BoolProperty(name="Only Selected",
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default=True)
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def execute(self, context):
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writeCameras(context, self.properties.path, self.properties.start_frame, self.properties.end_frame, self.properties.only_selected)
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return {'FINISHED'}
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def invoke(self, context, event):
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self.start_frame = context.scene.start_frame
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self.end_frame = context.scene.end_frame
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wm = context.manager
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wm.add_fileselect(self)
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return {'RUNNING_MODAL'}
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def menu_export(self, context):
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default_path = bpy.data.filename.replace(".blend", ".py")
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self.layout.operator(CameraExporter.bl_idname, text="Cameras & Markers (.py)").path = default_path
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def register():
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bpy.types.register(CameraExporter)
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bpy.types.INFO_MT_file_export.append(menu_export)
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if __name__ == "__main__":
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register()
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