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MayaAttributeUtility.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * Mayaアトリビュートユーティリティ実装
00022  * @author Junpee
00023  */
00024 
00025 #include "System/stdafx.h"
00026 #include "Utility/MayaAttributeUtility.h"
00027 
00028 namespace LampForMaya{
00029 
00030 //------------------------------------------------------------------------------
00031 // アトリビュートの取得
00032 MObject MayaAttributeUtility::getAttribute(
00033     const MObject& node, const String& attributeName){
00034     MStatus result;
00035     MFnDependencyNode dependencyNode(node, &result);
00036     MayaStatusCheck(result);
00037     MString attrName(attributeName.getBytes());
00038     MObject attribute = dependencyNode.attribute(attrName, &result);
00039     MayaStatusCheck(result);
00040     return attribute;
00041 }
00042 //------------------------------------------------------------------------------
00043 // プラグの取得
00044 MPlug MayaAttributeUtility::getPlug(
00045     const MObject& node, const String& plugName){
00046     MStatus result;
00047     MFnDependencyNode dependencyNode(node, &result);
00048     MayaStatusCheck(result);
00049     MPlug plug = dependencyNode.findPlug(plugName.getBytes(), &result);
00050     MayaStatusCheck(result);
00051     return plug;
00052 }
00053 //------------------------------------------------------------------------------
00054 // ブールアトリビュートの取得
00055 bool MayaAttributeUtility::getBool(
00056     const MObject& node, const MObject& attribute){
00057     bool value;
00058     MPlug plug(node, attribute);
00059     MayaStatusCheck(plug.getValue(value));
00060     return value;
00061 }
00062 //------------------------------------------------------------------------------
00063 // ブールアトリビュートの取得
00064 bool MayaAttributeUtility::getBool(
00065     const MObject& node, const String& attributeName){
00066     return getBool(node, getAttribute(node, attributeName));
00067 }
00068 //------------------------------------------------------------------------------
00069 // 整数アトリビュートの取得
00070 int MayaAttributeUtility::getInt(
00071     const MObject& node, const MObject& attribute){
00072     int value;
00073     MPlug plug(node, attribute);
00074     MayaStatusCheck(plug.getValue(value));
00075     return value;
00076 }
00077 //------------------------------------------------------------------------------
00078 // 整数アトリビュートの取得
00079 int MayaAttributeUtility::getInt(
00080     const MObject& node, const String& attributeName){
00081     return getInt(node, getAttribute(node, attributeName));
00082 }
00083 //------------------------------------------------------------------------------
00084 // 実数アトリビュートの取得
00085 float MayaAttributeUtility::getFloat(
00086     const MObject& node, const MObject& attribute){
00087     float value;
00088     MPlug plug(node, attribute);
00089     MayaStatusCheck(plug.getValue(value));
00090     return value;
00091 }
00092 //------------------------------------------------------------------------------
00093 // 実数アトリビュートの取得
00094 float MayaAttributeUtility::getFloat(
00095     const MObject& node, const String& attributeName){
00096     return getFloat(node, getAttribute(node, attributeName));
00097 }
00098 //------------------------------------------------------------------------------
00099 // 文字列アトリビュートの取得
00100 String MayaAttributeUtility::getString(
00101     const MObject& node, const MObject& attribute){
00102     MString value;
00103     MPlug plug(node, attribute);
00104     MayaStatusCheck(plug.getValue(value));
00105     return String(value.asChar());
00106 }
00107 //------------------------------------------------------------------------------
00108 // 文字列アトリビュートの取得
00109 String MayaAttributeUtility::getString(
00110     const MObject& node, const String& attributeName){
00111     return getString(node, getAttribute(node, attributeName));
00112 }
00113 //------------------------------------------------------------------------------
00114 // 実数三要素カラーアトリビュートの取得
00115 Color3f MayaAttributeUtility::getColor3f(
00116     const MObject& node, const MObject& attribute){
00117     MStatus result;
00118     MPlug plug(node, attribute);
00119     MObject plugData;
00120     MayaStatusCheck(plug.getValue(plugData));
00121     MFnNumericData data(plugData, &result);
00122     MayaStatusCheck(result);
00123     Color3f value;
00124     MayaStatusCheck(data.getData(value.r, value.g, value.b));
00125     return value;
00126 }
00127 //------------------------------------------------------------------------------
00128 // 実数三要素カラーアトリビュートの取得
00129 Color3f MayaAttributeUtility::getColor3f(
00130     const MObject& node, const String& attributeName){
00131     return getColor3f(node, getAttribute(node, attributeName));
00132 }
00133 //------------------------------------------------------------------------------
00134 // ベクトルアトリビュートの取得
00135 Vector3 MayaAttributeUtility::getVector(
00136     const MObject& node, const MObject& attribute){
00137     MStatus result;
00138     MPlug plug(node, attribute);
00139     MObject plugData;
00140     MayaStatusCheck(plug.getValue(plugData));
00141     MFnNumericData data(plugData, &result);
00142     MayaStatusCheck(result);
00143     Vector3 value;
00144     MayaStatusCheck(data.getData(value.x, value.y, value.z));
00145     return value;
00146 }
00147 //------------------------------------------------------------------------------
00148 // ベクトルアトリビュートの取得
00149 Vector3 MayaAttributeUtility::getVector(
00150     const MObject& node, const String& attributeName){
00151     return getVector(node, getAttribute(node, attributeName));
00152 }
00153 //------------------------------------------------------------------------------
00154 // 行列アトリビュートの取得
00155 Matrix44 MayaAttributeUtility::getMatrix(
00156     const MObject& node, const MObject& attribute){
00157     MStatus result;
00158     MPlug plug(node, attribute);
00159     MObject plugData;
00160     MayaStatusCheck(plug.getValue(plugData));
00161     MFnMatrixData data(plugData, &result);
00162     MayaStatusCheck(result);
00163     const MMatrix& matrix = data.matrix(&result);
00164     MayaStatusCheck(result);
00165     Matrix44 value;
00166     // 転置を行う
00167     for(int i = 0; i < 4; i++){
00168         for(int j = 0; j < 4; j++){ value.m[i][j] = (float)matrix[j][i]; }
00169     }
00170     return value;
00171 }
00172 //------------------------------------------------------------------------------
00173 // 行列アトリビュートの取得
00174 Matrix44 MayaAttributeUtility::getMatrix(
00175     const MObject& node, const String& attributeName){
00176     return getMatrix(node, getAttribute(node, attributeName));
00177 }
00178 //------------------------------------------------------------------------------
00179 } // End of namespace LampForMaya
00180 //------------------------------------------------------------------------------

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