wip first usable version
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Pullusb
+341
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import bpy
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from mathutils import Vector
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from . import fn
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def add_rlayer(layer_name, scene=None, location=None, color=None, node_name=None, width=400):
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'''create a render layer node
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if node_name is not specified, use passed layer name
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'''
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if not node_name:
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node_name = layer_name # 'RL_' +
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if not scene:
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scene=bpy.context.scene
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nodes = scene.node_tree.nodes
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comp = nodes.get(node_name)
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if comp:
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if comp.layer == node_name:
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return comp
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else:
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# TODO : delete rlayer with bad VL name !
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pass
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comp = nodes.new('CompositorNodeRLayers')
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comp.name = node_name
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comp.scene = scene
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comp.layer = layer_name
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comp.label = layer_name
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if location:
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comp.location = location
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if color:
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comp.color = color
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if width:
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comp.width = width
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comp.show_preview = False
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return comp
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def connect_render_layer(rlayer, ng=None, out=None, frame=None):
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scene = fn.get_render_scene()
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nodes = scene.node_tree.nodes
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links = scene.node_tree.links
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vl_name = rlayer.layer
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if not vl_name or vl_name == 'View Layer':
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print(f'Bad layer for node {rlayer.name}')
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if not ' / ' in vl_name:
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print(f'no slash (" / ") separator in vl_name {vl_name}, should be "obj.name / layer_name"')
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return
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obname, lname = vl_name.split(' / ')
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lname = bpy.path.clean_name(lname)
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if not frame:
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if rlayer.parent:
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frame=rlayer.parent
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else:
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print(f'render_layer has not parent frame: {rlayer.name}')
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frame=None
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ng_name = f'NG_{obname}' # only object name
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## clear nodes groups duplication (.00?)
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fn.clear_nodegroup(ng_name, full_clear=False)
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# get set nodegroup from vlayer name
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if not ng:
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ng = nodes.get(ng_name)
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if not ng:
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ngroup = bpy.data.node_groups.get(ng_name)
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# full clear True if exists but not used
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if ngroup and ngroup.users == 0:
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ngroup = None
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fn.clear_nodegroup(ng_name, full_clear=True)
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if not ngroup:
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# delete and recreate ?
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print(f'create nodegroup {ng_name}')
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ngroup = bpy.data.node_groups.new(ng_name, 'CompositorNodeTree')
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ng = fn.create_node('CompositorNodeGroup', tree=scene.node_tree, location=(fn.real_loc(rlayer)[0] + 600, fn.real_loc(rlayer)[1]), width=400) # (rlayer.location[0] + 600, rlayer.location[1])
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if frame:
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ng.parent= frame
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ng.node_tree = ngroup
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ng.name = ngroup.name
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ng_in = fn.create_node('NodeGroupInput', tree=ngroup, location=(-600,0))
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ng_out = fn.create_node('NodeGroupOutput', tree=ngroup, location=(600,0))
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else:
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print(f'found group node {ng.name}')
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ngroup = ng.node_tree
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ng_in = ngroup.nodes.get('Group Input')
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ng_out = ngroup.nodes.get('Group Output')
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# Connect rlayer to nodegroup
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if not rlayer.outputs['Image'].is_linked:
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sockin = ng.inputs.get(vl_name)
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if not sockin:
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print('creating socket', vl_name)
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sockin = ng.inputs.new('NodeSocketColor', vl_name)
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sockin = ng.inputs[-1]
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links.new(rlayer.outputs['Image'], sockin)
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## get nodes from frame
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rl_nodes = [n for n in nodes if n.type == 'R_LAYERS' and n.layer != 'View Layer' and n.parent == frame]
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# auto clean : if an input exists but is not linked and name not exists in rlayers of current frame
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for s in reversed(ng.inputs):
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if not s.is_linked: # and not any(x.layer == s.name for x in rl_nodes)
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print(f'removing grp unlinked input {s.name}')
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ng.inputs.remove(s)
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## get nodes from linked NG inputs ??? maybe more clear...
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# rl_nodes = [s.links[0].from_node for s in ng.inputs if s.links and s.links[0].from_node and s.links[0].from_node.type == 'R_LAYERS']
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## reorder
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fn.reorder_inputs(ng)
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ng.update()
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# CREATE NG outsocket (individual, without taking merge)
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connected = False
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if ng_in.outputs[vl_name].is_linked:
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# check if connect to the other side
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socket = fn.connect_to_group_output(ng_in.outputs[vl_name].links[0].to_node) #if ng_in.outputs[vl_name].links[0].to_node.type == 'ALPHAOVER':
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if socket:
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connected = True
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groupout = ng.outputs.get(socket.name)
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ng.update()
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if not connected:
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print('need to connect')
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# add AA and connect
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aa = fn.new_aa_node(ngroup)
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groupout = ng.outputs.get(vl_name)
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if not groupout:
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print('create group out-socket')
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ng.outputs.new('NodeSocketColor', vl_name) # assigning direcly doesn't link well
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groupout = ng.outputs[-1]
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print('ng_out.inputs.get(vl_name): ', ng_out.inputs.get(vl_name))
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# ng_in.outputs[vl_name]
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ngroup.links.new(ng_in.outputs[vl_name], aa.inputs[0]) # node_tree
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ngroup.links.new(aa.outputs[0], ng_out.inputs[vl_name]) # node_tree
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# clean outputs
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for o in reversed(ngroup.outputs):
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if not o.name in [o.name for o in ngroup.inputs]:
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print(f'removing group output {o.name} (name not exists in group inputs)')
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ngroup.outputs.remove(o)
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ng.update()
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# reorder output to match inputs
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fn.reorder_outputs(ng)
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ng.update()
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# Clear : delete orphan nodes that are not connected from ng_in
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for n in reversed(ngroup.nodes):
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if n.type in ('GROUP_INPUT', 'GROUP_OUTPUT'):
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continue
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if not fn.connect_to_group_input(n) and not fn.connect_to_group_output(n): # is disconnected from both side
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ngroup.nodes.remove(n)
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# TODO clear nodes that are disconnected from input side ?
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if groupout.links and groupout.links[0].to_node.type == 'OUTPUT_FILE':
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# if already connected to outfile just skip cause user might have customised the name
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return
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slot_name = f'{lname}/{lname}_'
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out_name = f'OUT_{obname}' # or get output from frame
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if not out:
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out = nodes.get(out_name)
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if not out:
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# color = (0.2,0.3,0.5)
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out = fn.create_node('CompositorNodeOutputFile', tree=scene.node_tree, location=(fn.real_loc(ng)[0]+600, fn.real_loc(ng)[1]+50), width=600) # =(ng.location[0]+600, ng.location[1]+50)
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out.name = out_name
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out.parent = frame
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out.base_path = f'//render/{bpy.path.clean_name(obname)}'
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out_input = out.inputs.get(slot_name)
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if not out_input:
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out.file_slots.new(slot_name)
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out_input = out.inputs[-1] # assigning directly above doesn't link afterwards
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print(f'new filouput entry: {out_input}')
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# link to FileOut
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links.new(groupout, out_input)
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# clean fileout
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fn.clear_disconnected(out)
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fn.reorder_fileout(out, ng=ng)
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out.update()
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return ng, out
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def get_set_viewlayer_from_gp(ob, l, scene=None):
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'''setup ouptut from passed gp obj > layer'''
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if not scene:
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# scene = bpy.context.scene
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scene = fn.get_render_scene() # create if necessary
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node_tree = scene.node_tree
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nodes = node_tree.nodes
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in_rds = scene.collection.all_objects.get(ob.name)
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if not in_rds:
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scene.collection.objects.link(ob)
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# create viewlayer
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vl_name = f'{ob.name} / {l.info}'
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vl = fn.get_view_layer(vl_name, scene=scene)
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vl_name = vl.name
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# affect layer to this vl
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l.viewlayer_render = vl_name
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# check if already exists
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rlayer_list = [n for n in nodes if n.type == 'R_LAYERS' and n.layer == vl_name]
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# get frame object and their contents
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# dict like : {objname : [layer_nodeA, layer_nodeB,...]}
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frame_dic = {f.label: [n for n in nodes if n.type == 'R_LAYERS' and n.parent and n.parent.name == f.name and n.layer != 'View Layer']
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for f in nodes if f.type == 'FRAME'}
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# debug print
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for k,v in frame_dic.items():
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print('-', k)
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for n in v:
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print('---', n.layer)
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if rlayer_list: # rlayer exists
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print(f'{len(rlayer_list)} nodes using {vl_name}')
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# affect only the one within an object frame
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framed_rl = [n for n in rlayer_list if n.parent and n.parent.label == ob.name]
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if framed_rl:
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if len(framed_rl) > 1:
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print(f'! More than one nodes using {vl_name} in a frame ({len(framed_rl)}) !')
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# sort top to bottom and take upper node
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framed_rl.sort(key=lambda x:x.location.y, reverse=True)
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cp = framed_rl[0]
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cp.select = True # select so the user see that it existed
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return vl, cp
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# Returned if existed and OK
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if not ob.name in frame_dic.keys(): # and len(frame_dic[ob.name])
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print(f'\n{ob.name} -> {l.info} (first generation)')
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# frame not exists, add the RL and frame at the very bottom of all render_layers
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# check position of frame type ? all type ?
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all_frames = [n for n in nodes if n.type == 'FRAME']
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# all_rl_x = [n.location.x for n in nodes if n.type == 'R_LAYERS' and n.layer != 'View Layer']
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if all_frames:
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print
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# all_frames.sort(key=lambda x: x.location.y, reverse=True)
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# loc.y - dim.y
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y_loc = min(fn.get_frame_transform(f, node_tree)[0].y - fn.get_frame_transform(f, node_tree)[1].y for f in all_frames)
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print('y_loc: ', y_loc)
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loc = (0, y_loc)
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else:
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loc = (0,0)
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print('loc: ', loc)
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# create frame at new rl position
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frame = nodes.new('NodeFrame')
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frame.label = ob.name
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frame.label_size = 50
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frame.location = (loc[0], loc[1] + 20)
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cp = add_rlayer(vl_name, scene=scene, location=loc)
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cp.parent = frame
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connect_render_layer(cp, frame=frame)
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fn.rearrange_frames(node_tree)
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return vl, cp
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## If ob already was used
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print(f'\n {ob.name} -> {l.info} (connect to existing)')
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## object frame exists: get framing and insert
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cp = add_rlayer(vl_name, scene=scene, location=(0,0))
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if cp.layer != vl_name:
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print(f'problem with {cp}: {cp.layer} != {vl_name}')
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return
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frame = [f for f in nodes if f.type == 'FRAME' and f.label == ob.name][0]
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rl_nodes = frame_dic[frame.label] # get nodes from
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if rl_nodes:
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# get nodes order to insert
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rl_nodes.sort(key=lambda n: fn.real_loc(n).y, reverse=True) # descending
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top_loc = fn.real_loc(rl_nodes[0])
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print('top_loc: ', top_loc)
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else:
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top_loc = fn.get_frame_transform(frame[1], node_tree) - 60
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# cp.location = (top_loc[0], top_loc[1] + 100) # temp location to adjust x loc
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# list of layer names in nodes order
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rl_names = [n.layer.split(' / ')[1] for n in rl_nodes] # get True layer name from rl
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# names with the right order WITH the new layer included
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names = [lay.info for lay in ob.data.layers if lay.info in rl_names or lay == l]
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rl_nodes.append(cp)
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# filter by getting index(layer_name)
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cp.parent = frame
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rl_nodes.sort(key=lambda x : names.index(x.layer.split(' / ')[1])) # Sort True layer name from rl
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offset = 0
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print(f'number of nodes in frame: {len(rl_nodes)}')
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ref_node = rl_nodes[0]
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print('ref_node: ', ref_node.name, ref_node.location)
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for n in rl_nodes:
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# set x loc from first node in list (maybe use leftmost ?)
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n.location = Vector((fn.real_loc(ref_node)[0], top_loc[1] - offset)) - n.parent.location
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offset += 180
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n.update()
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# reorder render layers nodes within frame
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connect_render_layer(cp, frame=frame)
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# re-arrange all frames (since the offset probably overlapped)
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fn.rearrange_frames(node_tree)
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return vl, cp
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