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# -*- coding: utf-8 -*- | |
import maya.OpenMaya as om | |
import maya.OpenMayaMPx as omPx | |
kPluginNodeTypeName = "ADD_NUM" | |
kPluginNodeId = om.MTypeId(0x87007) | |
class ADD_NUM(omPx.MPxNode): | |
#アトリビュートオブジェクト | |
input1Attr = om.MObject() | |
input2Attr = om.MObject() | |
outputAttr = om.MObject() | |
#アトリビュート名 | |
kOutputAttrName = "out" | |
kOutputAttrLongName = "output" | |
kInput1AttrName = "in1" | |
kInput1AttrLongName = "input1" | |
kInput2AttrName = "in2" | |
kInput2AttrLongName = "input2" | |
def __init__(self): | |
omPx.MPxNode.__init__(self) | |
#計算メイン | |
def compute(self,plug,data): | |
#dataは、MDataBlockクラス | |
#MDataBlock.inputValue() outputValue() -> ret が MDataHandle を返す | |
#inputValue() は読み取り専用 | |
#outputValue() は新しい値を書き込むことができる | |
if plug == ADD_NUM.outputAttr: | |
#inputValue 取得 | |
#asXXX で、dataHandleから値を取得して変数にセット | |
dataHandle = data.inputValue(ADD_NUM.input1Attr) | |
input1 = dataHandle.asDouble() | |
dataHandle = data.inputValue(ADD_NUM.input2Attr) | |
input2 = dataHandle.asDouble() | |
#計算 | |
output = input1 + input2 | |
#outputの定義 | |
#計算の結果を、outputに流す | |
dataHandle = data.outputValue(ADD_NUM.outputAttr) | |
dataHandle.setDouble(output) | |
data.setClean( plug ) | |
return om.MStatus.kSuccess | |
else: | |
return om.MStatus.kUnknownParameter | |
@classmethod | |
def nodeCreator(cls): | |
return omPx.asMPxPtr( cls() ) | |
@classmethod | |
def nodeInitializer(cls): | |
#Attributeの作成 | |
#NumericAttribute は、シンプルなアトリビュートの定義 create(longName,shortName,Type,Default) | |
nAttr = om.MFnNumericAttribute() | |
cls.input1Attr = nAttr.create(cls.kInput1AttrLongName,cls.kInput1AttrName,om.MFnNumericData.kDouble,0) | |
nAttr.setKeyable(True) | |
nAttr.setStorable(1) | |
nAttr = om.MFnNumericAttribute() | |
cls.input2Attr = nAttr.create(cls.kInput2AttrLongName,cls.kInput2AttrName,om.MFnNumericData.kDouble,0) | |
nAttr.setKeyable(True) | |
nAttr.setStorable(1) | |
nAttr = om.MFnNumericAttribute() | |
cls.outputAttr = nAttr.create(cls.kOutputAttrLongName,cls.kOutputAttrName,om.MFnNumericData.kDouble,0) | |
nAttr.setWritable(False) | |
nAttr.setStorable(False) | |
#アトリビュートを追加 | |
cls.addAttribute(cls.input1Attr) | |
cls.addAttribute(cls.input2Attr) | |
cls.addAttribute(cls.outputAttr) | |
cls.attributeAffects(cls.input1Attr , cls.outputAttr) | |
cls.attributeAffects(cls.input2Attr , cls.outputAttr) | |
#読み込み | |
def initializePlugin(obj): | |
plugin = omPx.MFnPlugin( | |
obj, | |
"Remiria", | |
"1.0","1.0", | |
) | |
try: | |
# ノード名,ID,クリエイタの関数名,ノード初期化関数名 | |
plugin.registerNode( | |
kPluginNodeTypeName, | |
kPluginNodeId, | |
ADD_NUM.nodeCreator, | |
ADD_NUM.nodeInitializer | |
) | |
except: | |
raise Exception( | |
"Failed tor register node: %s"% | |
kPluginNodeTypeName | |
) | |
def uninitializePlugin(obj): | |
plugin = omPx.MFnPlugin(obj) | |
try: | |
plugin.deregisterNode(kPluginNodeId) | |
except: | |
raise Exception( | |
'Failed to unregister node: %s' % | |
kPluginNameTypeName | |
) | |
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