2016-01-26 14:36:55 +01:00
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import bpy
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from bpy.types import NodeTree, Node, NodeSocket
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from bpy.props import *
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import os
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import sys
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import json
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2016-02-08 12:03:20 +01:00
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import platform
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import subprocess
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2016-01-26 14:36:55 +01:00
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class CGPipelineTree(NodeTree):
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'''Pipeline nodes'''
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bl_idname = 'CGPipelineTreeType'
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bl_label = 'CG Pipeline Node Tree'
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bl_icon = 'GAME'
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class CGPipelineTreeNode:
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@classmethod
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def poll(cls, ntree):
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return ntree.bl_idname == 'CGPipelineTreeType'
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class DrawGeometryNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'DrawGeometryNodeType'
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bl_label = 'Draw Geometry'
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bl_icon = 'SOUND'
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def init(self, context):
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self.inputs.new('NodeSocketShader', "Stage")
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self.inputs.new('NodeSocketString', "Context")
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self.outputs.new('NodeSocketShader', "Stage")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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class ClearTargetNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'ClearTargetNodeType'
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bl_label = 'Clear Target'
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bl_icon = 'SOUND'
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def init(self, context):
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self.inputs.new('NodeSocketShader', "Stage")
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self.inputs.new('NodeSocketBool', "Color")
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self.inputs.new('NodeSocketBool', "Depth")
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self.outputs.new('NodeSocketShader', "Stage")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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class SetTargetNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'SetTargetNodeType'
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bl_label = 'Set Target'
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bl_icon = 'SOUND'
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def init(self, context):
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self.inputs.new('NodeSocketShader', "Stage")
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self.inputs.new('NodeSocketShader', "Target")
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self.outputs.new('NodeSocketShader', "Stage")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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class TargetNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'TargetNodeType'
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bl_label = 'Target'
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bl_icon = 'SOUND'
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def init(self, context):
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self.inputs.new('NodeSocketString', "ID")
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self.inputs.new('NodeSocketInt', "Width")
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self.inputs.new('NodeSocketInt', "Height")
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self.inputs.new('NodeSocketInt', "Color Buffers")
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self.inputs.new('NodeSocketBool', "Depth")
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self.inputs.new('NodeSocketString', "Format")
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self.outputs.new('NodeSocketShader', "Target")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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class FramebufferNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'FramebufferNodeType'
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bl_label = 'Framebuffer'
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bl_icon = 'SOUND'
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def init(self, context):
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self.outputs.new('NodeSocketShader', "Target")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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class BindTargetNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'BindTargetNodeType'
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bl_label = 'Bind Target'
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bl_icon = 'SOUND'
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def init(self, context):
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self.inputs.new('NodeSocketShader', "Stage")
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self.inputs.new('NodeSocketShader', "Target")
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self.inputs.new('NodeSocketString', "Constant")
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self.outputs.new('NodeSocketShader', "Stage")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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class DrawQuadNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'DrawQuadNodeType'
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bl_label = 'Draw Quad'
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bl_icon = 'SOUND'
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def init(self, context):
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self.inputs.new('NodeSocketShader', "Stage")
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self.inputs.new('NodeSocketString', "Material Context")
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self.outputs.new('NodeSocketShader', "Stage")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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2016-02-08 14:58:55 +01:00
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class DrawWorldNode(Node, CGPipelineTreeNode):
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'''A custom node'''
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bl_idname = 'DrawWorldNodeType'
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bl_label = 'Draw World'
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bl_icon = 'SOUND'
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def init(self, context):
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self.inputs.new('NodeSocketShader', "Stage")
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self.outputs.new('NodeSocketShader', "Stage")
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def copy(self, node):
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print("Copying from node ", node)
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def free(self):
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print("Removing node ", self, ", Goodbye!")
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2016-01-26 14:36:55 +01:00
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### Node Categories ###
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# Node categories are a python system for automatically
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# extending the Add menu, toolbar panels and search operator.
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# For more examples see release/scripts/startup/nodeitems_builtins.py
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import nodeitems_utils
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from nodeitems_utils import NodeCategory, NodeItem
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class MyPipelineNodeCategory(NodeCategory):
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@classmethod
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def poll(cls, context):
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return context.space_data.tree_type == 'CGPipelineTreeType'
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node_categories = [
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MyPipelineNodeCategory("PIPELINENODES", "Pipeline Nodes", items=[
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NodeItem("DrawGeometryNodeType"),
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NodeItem("ClearTargetNodeType"),
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NodeItem("SetTargetNodeType"),
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NodeItem("BindTargetNodeType"),
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NodeItem("DrawQuadNodeType"),
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2016-02-08 14:58:55 +01:00
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NodeItem("DrawWorldNodeType"),
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2016-01-26 14:36:55 +01:00
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NodeItem("TargetNodeType"),
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NodeItem("FramebufferNodeType"),
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]),
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]
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2016-02-08 12:03:20 +01:00
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def reload_blend_data():
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2016-01-27 23:40:33 +01:00
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if bpy.data.node_groups.get('forward_pipeline') == None:
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2016-02-08 12:03:20 +01:00
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load_library()
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pass
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def load_library():
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haxelib_path = "haxelib"
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if platform.system() == 'Darwin':
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haxelib_path = "/usr/local/bin/haxelib"
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output = subprocess.check_output([haxelib_path + " path cyclesgame"], shell=True)
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output = str(output).split("\\n")[0].split("'")[1]
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data_path = output[:-8] + "blender/data/data.blend" # Remove 'Sources/' from haxelib path
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with bpy.data.libraries.load(data_path, link=False) as (data_from, data_to):
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data_to.node_groups = ['forward_pipeline', 'forward_pipeline_noshadow', 'deferred_pipeline', 'CG PBR']
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2016-01-28 13:21:51 +01:00
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2016-02-08 12:03:20 +01:00
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# TODO: cannot use for loop
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# TODO: import pbr group separately, no need for fake user
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bpy.data.node_groups['forward_pipeline'].use_fake_user = True
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bpy.data.node_groups['forward_pipeline_noshadow'].use_fake_user = True
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bpy.data.node_groups['deferred_pipeline'].use_fake_user = True
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bpy.data.node_groups['CG PBR'].use_fake_user = True
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2016-01-28 13:21:51 +01:00
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2016-01-26 14:36:55 +01:00
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def register():
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bpy.utils.register_module(__name__)
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try:
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2016-01-27 23:40:33 +01:00
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nodeitems_utils.register_node_categories("CG_PIPELINE_NODES", node_categories)
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2016-02-08 12:03:20 +01:00
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reload_blend_data()
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2016-01-26 14:36:55 +01:00
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except:
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pass
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def unregister():
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2016-01-27 23:40:33 +01:00
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nodeitems_utils.unregister_node_categories("CG_PIPELINE_NODES")
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2016-01-26 14:36:55 +01:00
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bpy.utils.unregister_module(__name__)
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# Generating pipeline resources
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class Object:
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def to_JSON(self):
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# return json.dumps(self, default=lambda o: o.__dict__, separators=(',',':'))
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return json.dumps(self, default=lambda o: o.__dict__, sort_keys=True, indent=4)
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def buildNodeTrees():
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s = bpy.data.filepath.split(os.path.sep)
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s.pop()
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fp = os.path.sep.join(s)
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os.chdir(fp)
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# Make sure Assets dir exists
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if not os.path.exists('Assets/generated/pipelines'):
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os.makedirs('Assets/generated/pipelines')
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# Export pipelines
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for node_group in bpy.data.node_groups:
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if node_group.bl_idname == 'CGPipelineTreeType': # Build only render pipeline trees
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buildNodeTree(node_group)
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def buildNodeTree(node_group):
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output = Object()
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res = Object()
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output.pipeline_resources = [res]
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path = 'Assets/generated/pipelines/'
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node_group_name = node_group.name.replace('.', '_')
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res.id = node_group_name
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res.render_targets = get_render_targets(node_group)
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res.stages = []
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rn = getRootNode(node_group)
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2016-01-28 14:47:46 +01:00
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if rn == None:
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return
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2016-01-26 14:36:55 +01:00
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buildNode(res, rn, node_group)
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with open(path + node_group_name + '.json', 'w') as f:
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f.write(output.to_JSON())
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def buildNode(res, node, node_group):
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stage = Object()
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stage.params = []
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if node.bl_idname == 'SetTargetNodeType':
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stage.command = 'set_target'
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targetNode = findNodeByLink(node_group, node, node.inputs[1])
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if targetNode.bl_idname == 'TargetNodeType':
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targetId = targetNode.inputs[0].default_value
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else: # Framebuffer
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targetId = ''
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stage.params.append(targetId)
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elif node.bl_idname == 'ClearTargetNodeType':
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stage.command = 'clear_target'
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if node.inputs[1].default_value == True:
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stage.params.append('color')
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if node.inputs[2].default_value == True:
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stage.params.append('depth')
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elif node.bl_idname == 'DrawGeometryNodeType':
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stage.command = 'draw_geometry'
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stage.params.append(node.inputs[1].default_value) # Context
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elif node.bl_idname == 'BindTargetNodeType':
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stage.command = 'bind_target'
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targetNode = findNodeByLink(node_group, node, node.inputs[1])
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if targetNode.bl_idname == 'TargetNodeType':
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targetId = targetNode.inputs[0].default_value
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stage.params.append(targetId)
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2016-02-07 23:03:52 +01:00
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stage.params.append(node.inputs[2].default_value)
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2016-01-26 14:36:55 +01:00
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elif node.bl_idname == 'DrawQuadNodeType':
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stage.command = 'draw_quad'
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stage.params.append(node.inputs[1].default_value) # Material context
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2016-02-08 14:58:55 +01:00
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elif node.bl_idname == 'DrawWorldNodeType':
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stage.command = 'draw_quad'
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wname = bpy.data.worlds[0].name
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stage.params.append(wname + '_material/' + wname + '_material/env_map') # Only one world for now
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2016-01-26 14:36:55 +01:00
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res.stages.append(stage)
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# Build next stage
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if node.outputs[0].is_linked:
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stageNode = findNodeByFromLink(node_group, node, node.outputs[0])
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buildNode(res, stageNode, node_group)
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def findNodeByLink(node_group, to_node, inp):
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for link in node_group.links:
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if link.to_node == to_node and link.to_socket == inp:
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return link.from_node
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def findNodeByFromLink(node_group, from_node, outp):
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for link in node_group.links:
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if link.from_node == from_node and link.from_socket == outp:
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return link.to_node
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def getRootNode(node_group):
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# First node with empty stage input
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for n in node_group.nodes:
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if len(n.inputs) > 0 and n.inputs[0].is_linked == False and n.inputs[0].name == 'Stage':
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return n
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def get_render_targets(node_group):
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render_targets = []
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for n in node_group.nodes:
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if n.bl_idname == 'TargetNodeType':
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target = Object()
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target.id = n.inputs[0].default_value
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target.width = n.inputs[1].default_value
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target.height = n.inputs[2].default_value
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target.color_buffers = n.inputs[3].default_value
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target.depth = n.inputs[4].default_value
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target.format = n.inputs[5].default_value
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render_targets.append(target)
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return render_targets
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