armory/blender/nodes_logic.py

import bpy
from bpy.types import NodeTree, Node, NodeSocket
from bpy.props import *
import os
import sys
	
class CGTree(NodeTree):
	'''Logic nodes'''
	bl_idname = 'ArmLogicTreeType'
	bl_label = 'Logic Node Tree'
	bl_icon = 'GAME'

class ArmLogicTreeNode:
	@classmethod
	def poll(cls, ntree):
		return ntree.bl_idname == 'ArmLogicTreeType'


class TransformNode(Node, ArmLogicTreeNode):
	'''Transform node'''
	bl_idname = 'TransformNodeType'
	bl_label = 'Transform'
	bl_icon = 'SOUND'

	def init(self, context):
		self.inputs.new('NodeSocketVector', "Position")
		self.inputs.new('NodeSocketVector', "Rotation")
		self.inputs.new('NodeSocketVector', "Scale")
		self.inputs[-1].default_value = [1.0, 1.0, 1.0]

		self.outputs.new('NodeSocketString', "Transform")

class TimeNode(Node, ArmLogicTreeNode):
	'''Time node'''
	bl_idname = 'TimeNodeType'
	bl_label = 'Time'
	bl_icon = 'TIME'
	
	def init(self, context):
		self.inputs.new('NodeSocketFloat', "Start")
		self.inputs.new('NodeSocketFloat', "Stop")
		self.inputs[-1].default_value = -1
		self.inputs.new('NodeSocketBool', "Enabled")
		self.inputs[-1].default_value = True
		self.inputs.new('NodeSocketBool', "Loop")
		self.inputs.new('NodeSocketBool', "Reflect")
		
		self.outputs.new('NodeSocketFloat', "Time")
		
class VectorNode(Node, ArmLogicTreeNode):
	'''Vector node'''
	bl_idname = 'VectorNodeType'
	# Label for nice name display
	bl_label = 'Vector'
	# Icon identifier
	bl_icon = 'CURVE_PATH'
	
	def init(self, context):
		self.inputs.new('NodeSocketFloat', "X")
		self.inputs.new('NodeSocketFloat', "Y")
		self.inputs.new('NodeSocketFloat', "Z")
		
		self.outputs.new('NodeSocketVector', "Vector")

class ScaleValueNode(Node, ArmLogicTreeNode):
	'''Scale value node'''
	bl_idname = 'ScaleValueNodeType'
	bl_label = 'ScaleValue'
	bl_icon = 'CURVE_PATH'
	
	def init(self, context):
		self.inputs.new('NodeSocketFloat', "Factor")
		self.inputs[-1].default_value = 1.0
		self.inputs.new('NodeSocketFloat', "Value")
		
		self.outputs.new('NodeSocketFloat', "Value")

class SineNode(Node, ArmLogicTreeNode):
	'''Sine node'''
	bl_idname = 'SineNodeType'
	bl_label = 'Sine'
	bl_icon = 'CURVE_PATH'
	
	def init(self, context):
		self.inputs.new('NodeSocketFloat', "Value")
		
		self.outputs.new('NodeSocketFloat', "Value")

class ThisNode(Node, ArmLogicTreeNode):
	'''This node'''
	bl_idname = 'ThisNodeType'
	bl_label = 'This'
	bl_icon = 'GAME'
	
	def init(self, context):
		self.outputs.new('NodeSocketShader', "Target")

class PickerNode(Node, ArmLogicTreeNode):
	'''Picker node'''
	bl_idname = 'PickerNodeType'
	bl_label = 'Picker'
	bl_icon = 'GAME'
	property0 = StringProperty(name = "Object", default="")

	def init(self, context):
		self.outputs.new('NodeSocketShader', "Target")

	def draw_buttons(self, context, layout):
		layout.prop_search(self, "property0", context.scene, "objects", text = "")

class SetTransformNode(Node, ArmLogicTreeNode):
	'''Set transform node'''
	bl_idname = 'SetTransformNodeType'
	bl_label = 'Set Transform'
	bl_icon = 'GAME'

	def init(self, context):
		self.inputs.new('NodeSocketShader', "Target")
		self.inputs.new('NodeSocketShader', "Transform")

class SetVisibleNode(Node, ArmLogicTreeNode):
	'''Set visible node'''
	bl_idname = 'SetVisibleNodeType'
	bl_label = 'Set Visible'
	bl_icon = 'GAME'

	def init(self, context):
		self.inputs.new('NodeSocketShader', "Target")
		self.inputs.new('NodeSocketShader', "Bool")

class GreaterThanNode(Node, ArmLogicTreeNode):
	'''Greater than node'''
	bl_idname = 'GreaterThanNodeType'
	bl_label = 'Greater Than'
	bl_icon = 'GAME'

	def init(self, context):
		self.inputs.new('NodeSocketFloat', "Value 1")
		self.inputs.new('NodeSocketFloat', "Value 2")
		self.outputs.new('NodeSocketBool', "Bool")

### Node Categories ###
import nodeitems_utils
from nodeitems_utils import NodeCategory, NodeItem

class ObjectNodeCategory(NodeCategory):
	@classmethod
	def poll(cls, context):
		return context.space_data.tree_type == 'ArmLogicTreeType'

class TypeNodeCategory(NodeCategory):
	@classmethod
	def poll(cls, context):
		return context.space_data.tree_type == 'ArmLogicTreeType'

class MathNodeCategory(NodeCategory):
	@classmethod
	def poll(cls, context):
		return context.space_data.tree_type == 'ArmLogicTreeType'

class LogicNodeCategory(NodeCategory):
	@classmethod
	def poll(cls, context):
		return context.space_data.tree_type == 'ArmLogicTreeType'

node_categories = [
	ObjectNodeCategory("LOGICTARGETNODES", "Target", items=[
		NodeItem("ThisNodeType"),
		NodeItem("PickerNodeType"),
		NodeItem("SetTransformNodeType"),
		NodeItem("SetVisibleNodeType"),
	]),
	TypeNodeCategory("LOGICTYPENODES", "Type", items=[
		NodeItem("TransformNodeType"),
		NodeItem("VectorNodeType"),
	]),
	MathNodeCategory("LOGICMATHNODES", "Math", items=[
		NodeItem("TimeNodeType"),
		NodeItem("ScaleValueNodeType"),
		NodeItem("SineNodeType"),
	]),
	LogicNodeCategory("LOGICLOGICNODES", "Logic", items=[
		NodeItem("GreaterThanNodeType"),
	]),
]

def register():
	bpy.utils.register_module(__name__)
	try:
		nodeitems_utils.register_node_categories("ARM_LOGIC_NODES", node_categories)
	except:
		pass

def unregister():
	nodeitems_utils.unregister_node_categories("ARM_LOGIC_NODES")
	bpy.utils.unregister_module(__name__)