diff options
Diffstat (limited to 'io_anim_camera.py')
| -rw-r--r-- | io_anim_camera.py | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/io_anim_camera.py b/io_anim_camera.py new file mode 100644 index 00000000..dd975aba --- /dev/null +++ b/io_anim_camera.py @@ -0,0 +1,166 @@ +# ##### 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> + +bl_addon_info = { + "name": "Export Camera Animation", + "author": "Campbell Barton", + "version": (0, 1), + "blender": (2, 5, 3), + "api": 31847, + "location": "File > Export > Camera Animation", + "description": "Export Cameras & Markers", + "warning": "", + "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\ + "Scripts/Import-Export/Camera_Animation", + "tracker_url": "https://projects.blender.org/tracker/index.php?"\ + "func=detail&aid=22835&group_id=153&atid=469", + "category": "Import-Export"} + + +import bpy + + +def writeCameras(context, filepath, frame_start, frame_end, only_selected=False): + + data_attrs = ['lens', 'shift_x', 'shift_y', 'dof_distance', 'clip_start', 'clip_end', 'draw_size'] + obj_attrs = ['hide_render'] + + fw = open(filepath, 'w').write + + scene = bpy.context.scene + + cameras = [] + + for obj in scene.objects: + if only_selected and not obj.select: + continue + if obj.type != 'CAMERA': + continue + + cameras.append((obj, obj.data)) + + frame_range = range(frame_start, frame_end + 1) + + fw("cameras = {}\n") + fw("scene = bpy.context.scene\n") + fw("frame = scene.frame_current - 1\n") + fw("\n") + + for obj, obj_data in cameras: + fw("data = bpy.data.cameras.new('%s')\n" % obj.name) + for attr in data_attrs: + fw("data.%s = %s\n" % (attr, repr(getattr(obj_data, attr)))) + + fw("obj = bpy.data.objects.new('%s', data)\n" % obj.name) + + for attr in obj_attrs: + fw("obj.%s = %s\n" % (attr, repr(getattr(obj, attr)))) + + fw("scene.objects.link(obj)\n") + fw("cameras['%s'] = obj\n" % obj.name) + fw("\n") + + + for f in frame_range: + scene.frame_set(f) + fw("# new frame\n") + fw("scene.frame_set(%d + frame)\n" % f) + + for obj, obj_data in cameras: + fw("obj = cameras['%s']\n" % obj.name) + + matrix = obj.matrix_world.copy() + fw("obj.location = %s\n" % repr(tuple(matrix.translation_part()))) + fw("obj.scale = %s\n" % repr(tuple(matrix.scale_part()))) + fw("obj.rotation_euler = %s\n" % repr(tuple(matrix.to_euler()))) + + fw("obj.keyframe_insert('location')\n") + fw("obj.keyframe_insert('scale')\n") + fw("obj.keyframe_insert('rotation_euler')\n") + + # only key the angle + fw("data = obj.data\n") + fw("data.lens = %s\n" % obj_data.lens) + fw("data.keyframe_insert('lens')\n") + + fw("\n") + + # now markers + fw("# markers\n") + for marker in scene.timeline_markers: + fw("marker = scene.timeline_markers.new('%s')\n" % marker.name) + fw("marker.frame = %d + frame\n" % marker.frame) + + # will fail if the cameras not selected + if marker.camera: + fw("marker.camera = cameras.get('%s')\n" % marker.camera.name) + fw("\n") + + +from bpy.props import * +from io_utils import ExportHelper + + +class CameraExporter(bpy.types.Operator, ExportHelper): + '''Save a python script which re-creartes cameras and markers elsewhere''' + bl_idname = "export_animation.cameras" + bl_label = "Export Camera & Markers" + + filename_ext = ".py" + filter_glob = StringProperty(default="*.py", options={'HIDDEN'}) + + frame_start = IntProperty(name="Start Frame", + description="Start frame for export", + default=1, min=1, max=300000) + frame_end = IntProperty(name="End Frame", + description="End frame for export", + default=250, min=1, max=300000) + only_selected = BoolProperty(name="Only Selected", + default=True) + + def execute(self, context): + writeCameras(context, self.filepath, self.frame_start, self.frame_end, self.only_selected) + return {'FINISHED'} + + def invoke(self, context, event): + self.frame_start = context.scene.frame_start + self.frame_end = context.scene.frame_end + + wm = context.window_manager + wm.fileselect_add(self) + return {'RUNNING_MODAL'} + + +def menu_export(self, context): + import os + default_path = os.path.splitext(bpy.data.filepath)[0] + ".py" + self.layout.operator(CameraExporter.bl_idname, text="Cameras & Markers (.py)").filepath = default_path + + +def register(): + bpy.types.INFO_MT_file_export.append(menu_export) + + +def unregister(): + bpy.types.INFO_MT_file_export.remove(menu_export) + + +if __name__ == "__main__": + register() |