616 lines
16 KiB
Python
616 lines
16 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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# ########################################
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# Render Cube Map
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#
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# Dalai Felinto
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# --
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# blendernetwork.org/dalai-felinto
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# www.dalaifelinto.com
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#
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# Original code:
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# Rio de Janeiro, September 2015
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#
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# Latest update:
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# Rio de Janeiro, July 2016
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# ########################################
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import bpy
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from bpy.app.handlers import persistent
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from bpy.types import (
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Operator,
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Panel,
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)
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from bpy.props import (
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BoolProperty,
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)
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bl_info = {
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"name": "Cube Map",
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"author": "Dalai Felinto",
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"version": (1, 0),
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"blender": (2, 80, 0),
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"location": "Render Panel",
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"description": "",
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"warning": "Needs Updating",
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"doc_url": "https://github.com/dfelinto/render_cube_map",
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"tracker_url": "",
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"category": "Render"}
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# ############################################################
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# Global Check
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# ############################################################
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def do_run(cube_map, use_force):
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if not (cube_map.use_cube_map or use_force):
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return False
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if cube_map.is_enabled and not use_force:
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return False
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return True
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# ############################################################
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# Callbacks
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# ############################################################
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class NodeTree:
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def __init__(self, scene):
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self._use_nodes = scene.use_nodes
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self._use_compositing = scene.render.use_compositing
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self._nodes_mute = {}
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self._scene = scene
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self._scene.render.use_compositing = True
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if not self._use_nodes:
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scene.use_nodes = True
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self._muteNodes()
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else:
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self._storeNodes()
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self._muteNodes()
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def _storeNodes(self):
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"""
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store the existent nodes and if they are muted
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"""
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nodes = self._scene.node_tree.nodes
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for node in nodes:
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self._nodes_mute[hash(node)] = node.mute
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def _muteNodes(self):
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"""
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mute all the existent nodes
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"""
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nodes = self._scene.node_tree.nodes
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for node in nodes:
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node.mute = True
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def cleanupScene(self):
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"""
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remove all the new nodes, and unmute original ones
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"""
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scene = self._scene
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scene.use_nodes = self._use_nodes
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scene.render.use_compositing = self._use_compositing
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self._cleanNodes()
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self._unMuteNodes()
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def _cleanNodes(self):
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"""
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remove all the nodes created temporarily
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"""
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nodes = self._scene.node_tree.nodes
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to_del = []
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keys = self._nodes_mute.keys()
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for node in nodes:
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if hash(node) not in keys:
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to_del.append(node)
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for node in to_del:
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nodes.remove(node)
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def _unMuteNodes(self):
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"""
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unmute all the existent nodes
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"""
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nodes = self._scene.node_tree.nodes
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for node in nodes:
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node.mute = self._nodes_mute[hash(node)]
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class View:
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def __init__(self, name, euler_rotation):
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self._name = name
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self._collection = None
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self._scene = None
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self._scene_camera = None
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self._node = None
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self._camera = None
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self._euler_rotation = euler_rotation
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def setScene(self, scene):
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scene.name = self._name
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self._scene = scene
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scene.cube_map.use_cube_map = False
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scene.render.use_compositing = False
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self._setFilepath()
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def _setFilepath(self):
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import os
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filepath = self._scene.render.filepath
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dirname = os.path.dirname(filepath)
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basename = os.path.basename(filepath)
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path = os.path.join(dirname, "{0}{1}".format(self._name, basename))
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self._scene.render.filepath = path
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def setNode(self, node, links, node_output):
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node.name = self._name
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node.label = self._name
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node.scene = self._scene
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self._node = node
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# TODO if there were nodetrees, duplicate them here
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# connect to output
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_input = node_output.layer_slots.new(self._name)
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links.new(node.outputs[0], _input)
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def setCamera(self, data, loc, zed):
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self._scene_camera = self._scene.camera
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self._camera = bpy.data.objects.new(self._name, data)
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self._collection.objects.link(self._camera)
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rotation = self._euler_rotation.copy()
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rotation.z += zed
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self._camera.rotation_euler = rotation
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self._camera.location = loc
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# change scene camera
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self._scene.camera = self._camera
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def resetCamera(self):
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self._collection.objects.unlink(self._camera)
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bpy.data.objects.remove(self._camera)
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self._camera = None
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@property
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def scene(self):
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return self._scene
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@property
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def name(self):
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return self._name
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@persistent
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def cube_map_render_init(scene, use_force=False):
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"""
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setup the cube map settings for all the render frames
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"""
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from mathutils import Euler
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from math import pi
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half_pi = pi * 0.5
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cube_map = scene.cube_map
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if not do_run(cube_map, use_force):
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return
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main_scene = scene
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hashes = [hash(scene) for scene in bpy.data.scenes]
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views_raw = (
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(
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'NORTH_',
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Euler((half_pi, 0.0, 0.0)),
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cube_map.use_view_north,
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),
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(
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'SOUTH_',
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Euler((half_pi, 0.0, pi)),
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cube_map.use_view_south,
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),
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(
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'WEST_',
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Euler((half_pi, 0.0, half_pi)),
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cube_map.use_view_west,
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),
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(
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'EAST_',
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Euler((half_pi, 0.0, -half_pi)),
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cube_map.use_view_east,
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),
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(
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'ZENITH_',
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Euler((pi, 0.0, 0.0)),
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cube_map.use_view_zenith,
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),
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(
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'NADIR_',
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Euler((0.0, 0.0, 0.0)),
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cube_map.use_view_nadir,
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),
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)
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views = [
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View(name, euler) for (name, euler, use) in views_raw
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if use or not cube_map.is_advanced]
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for view in views:
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# create a scene per view
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# XXX : line below crashes Blender 2.80
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bpy.ops.scene.new(type='LINK_COPY')
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scene = [
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scene for scene in bpy.data.scenes if
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hash(scene) not in hashes][0]
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# mark the scene to remove it afterwards
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scene.cube_map.is_temporary = True
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hashes.append(hash(scene))
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view.setScene(scene)
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# have Dalai to look at this?
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view._collection = bpy.context.collection # XXX TODO better fix
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# create a scene from scratch
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node_tree_data = NodeTree(main_scene)
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# created the necessary nodetrees there
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node_tree = main_scene.node_tree
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# output node
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node_output = node_tree.nodes.new('CompositorNodeOutputFile')
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node_output.inputs.clear()
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for view in views:
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node = node_tree.nodes.new('CompositorNodeRLayers')
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view.setNode(node, node_tree.links, node_output)
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# globals
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bpy.cube_map_node_tree_data = node_tree_data
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bpy.cube_map_views = views
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# ############################################################
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# Cameras Setup
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# ############################################################
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@persistent
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def cube_map_render_pre(scene, use_force=False):
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if not do_run(scene.cube_map, use_force):
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return
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from math import radians
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camera = scene.camera
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data = camera.data.copy()
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data.lens_unit = 'FOV'
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data.angle = radians(90)
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data.type = 'PERSP'
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mat = camera.matrix_world
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loc = mat.to_translation()
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rot = mat.to_euler()
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zed = rot.z
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views = bpy.cube_map_views
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for view in views:
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view.setCamera(data, loc, zed)
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@persistent
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def cube_map_render_post(scene, use_force=False):
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if not do_run(scene.cube_map, use_force):
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return
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views = bpy.cube_map_views
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for view in views:
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view.resetCamera()
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# ############################################################
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# Clean-Up
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# ############################################################
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@persistent
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def cube_map_render_cancel(scene):
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cube_map_cleanup(scene)
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@persistent
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def cube_map_render_complete(scene):
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cube_map_cleanup(scene)
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def cube_map_cleanup(scene, use_force=False):
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"""
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remove all the temporary data created for the cube map
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"""
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if not do_run(scene.cube_map, use_force):
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return
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bpy.cube_map_node_tree_data.cleanupScene()
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del bpy.cube_map_node_tree_data
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del bpy.cube_map_views
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bpy.app.handlers.scene_update_post.append(cube_map_post_update_cleanup)
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def cube_map_post_update_cleanup(scene):
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"""
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delay removal of scenes (otherwise we get a crash)
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"""
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scenes_temp = [
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scene for scene in bpy.data.scenes if
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scene.cube_map.is_temporary]
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if not scenes_temp:
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bpy.app.handlers.scene_update_post.remove(cube_map_post_update_cleanup)
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else:
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scenes_temp[0].user_clear()
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try:
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bpy.data.scenes.remove(scenes_temp[0], do_unlink=False)
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except TypeError:
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bpy.data.scenes.remove(scenes_temp[0])
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# ############################################################
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# Setup Operator
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# ############################################################
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class CubeMapSetup(Operator):
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""""""
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bl_idname = "render.cube_map_setup"
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bl_label = "Cube Map Render Setup"
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bl_description = ""
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action: bpy.props.EnumProperty(
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description="",
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items=(("SETUP", "Setup", "Created linked scenes and setup cube map"),
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("RESET", "Reset", "Delete added scenes"),
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),
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default="SETUP",
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options={'SKIP_SAVE'},
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)
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@classmethod
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def poll(cls, context):
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return True
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def setup(self, window, scene):
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cube_map = scene.cube_map
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cube_map.is_enabled = True
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cube_map_render_init(scene, use_force=True)
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cube_map_render_pre(scene, use_force=True)
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# set initial scene back as the main scene
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window.screen.scene = scene
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def reset(self, scene):
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cube_map = scene.cube_map
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cube_map.is_enabled = False
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cube_map_render_post(scene, use_force=True)
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cube_map_cleanup(scene, use_force=True)
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def invoke(self, context, event):
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scene = context.scene
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cube_map = scene.cube_map
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is_enabled = cube_map.is_enabled
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if self.action == 'RESET':
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if is_enabled:
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if cube_map.is_temporary:
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self.report(
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{'ERROR'},
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"Cannot reset cube map from one of "
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"the created scenes")
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return {'CANCELLED'}
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else:
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self.reset(scene)
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return {'FINISHED'}
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else:
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self.report({'ERROR'}, "Cube Map render is not setup")
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return {'CANCELLED'}
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else: # SETUP
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if is_enabled:
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self.report({'ERROR'}, "Cube Map render is already setup")
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return {'CANCELLED'}
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else:
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self.setup(context.window, scene)
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return {'FINISHED'}
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# ############################################################
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# User Interface
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# ############################################################
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class RENDER_PT_cube_map(Panel):
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bl_space_type = 'PROPERTIES'
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bl_region_type = 'WINDOW'
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bl_context = "render"
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bl_label = "Cube Map"
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@classmethod
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def poll(cls, context):
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scene = context.scene
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return scene and (scene.render.engine != 'BLENDER_GAME')
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def draw_header(self, context):
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self.layout.prop(context.scene.cube_map, "use_cube_map", text="")
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def draw(self, context):
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layout = self.layout
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col = layout.column()
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scene = context.scene
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cube_map = scene.cube_map
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if not cube_map.is_enabled:
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col.operator(
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"render.cube_map_setup",
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text="Scene Setup").action = 'SETUP'
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else:
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col.operator(
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"render.cube_map_setup",
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text="Scene Reset", icon="X").action = 'RESET'
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col = layout.column()
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col.active = cube_map.use_cube_map
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col.prop(cube_map, "is_advanced")
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if cube_map.is_advanced:
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box = col.box()
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box.active = cube_map.use_cube_map and cube_map.is_advanced
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row = box.row()
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row.prop(cube_map, "use_view_north")
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row.prop(cube_map, "use_view_west")
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row.prop(cube_map, "use_view_zenith")
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row = box.row()
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row.prop(cube_map, "use_view_south")
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row.prop(cube_map, "use_view_east")
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row.prop(cube_map, "use_view_nadir")
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# ############################################################
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# Scene Properties
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# ############################################################
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class CubeMapInfo(bpy.types.PropertyGroup):
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use_cube_map: BoolProperty(
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name="Cube Map",
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default=False,
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)
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is_temporary: BoolProperty(
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name="Temporary",
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default=False,
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)
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is_enabled: BoolProperty(
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name="Enabled",
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default=False,
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)
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# per view settings
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is_advanced: BoolProperty(
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name="Advanced",
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default=False,
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description="Decide which views to render",
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)
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use_view_north: BoolProperty(
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name="North",
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default=True,
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)
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use_view_south: BoolProperty(
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name="South",
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default=True,
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)
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use_view_west: BoolProperty(
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name="West",
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default=True,
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)
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use_view_east: BoolProperty(
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name="East",
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default=True,
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)
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use_view_zenith: BoolProperty(
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name="Zenith",
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default=True,
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)
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use_view_nadir: BoolProperty(
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name="Nadir",
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default=True,
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)
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# ############################################################
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# Un/Registration
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# ############################################################
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def register():
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bpy.utils.register_class(CubeMapInfo)
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bpy.utils.register_class(CubeMapSetup)
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bpy.types.Scene.cube_map = bpy.props.PointerProperty(
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name="cube_map",
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type=CubeMapInfo,
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options={'HIDDEN'},
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)
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bpy.utils.register_class(RENDER_PT_cube_map)
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bpy.app.handlers.render_init.append(cube_map_render_init)
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bpy.app.handlers.render_pre.append(cube_map_render_pre)
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bpy.app.handlers.render_post.append(cube_map_render_post)
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bpy.app.handlers.render_cancel.append(cube_map_render_cancel)
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bpy.app.handlers.render_complete.append(cube_map_render_complete)
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def unregister():
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bpy.utils.unregister_class(CubeMapInfo)
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bpy.utils.unregister_class(CubeMapSetup)
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bpy.utils.unregister_class(RENDER_PT_cube_map)
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bpy.app.handlers.render_init.remove(cube_map_render_init)
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bpy.app.handlers.render_pre.remove(cube_map_render_pre)
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bpy.app.handlers.render_post.remove(cube_map_render_post)
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bpy.app.handlers.render_cancel.remove(cube_map_render_cancel)
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bpy.app.handlers.render_complete.remove(cube_map_render_complete)
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del bpy.types.Scene.cube_map
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if __name__ == '__main__':
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register()
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