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# TranslationPointLight.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  * 変換ポイントライト実装
    00022  * @author Junpee
    00023  */
    00024
    00025 #include "System/stdafx.h"
    00026 #include "Translator/Light/TranslationPointLight.h"
    00027 #include "Graphics/Scene/Scene.h"
    00028 #include "Graphics/Light/LightManager.h"
    00029
    00030 namespace LampForMaya{
    00031
    00032 //------------------------------------------------------------------------------
    00033 // コンストラクタ
    00034 TranslationPointLight::TranslationPointLight(
    00035     const MDagPath& initializeDagPath, const String& initializeName) :
    00036     TranslationLight(initializeDagPath, initializeName){
    00037 }
    00038 //------------------------------------------------------------------------------
    00039 // デストラクタ
    00040 TranslationPointLight::~TranslationPointLight(){
    00041 }
    00042 //------------------------------------------------------------------------------
    00043 // 分析
    00044 bool TranslationPointLight::analyze(){
    00045     // ライトのアナライズ
    00046     if(!analyzeLight()){ return false; }
    00047     MStatus result;
    00048     String errorString;
    00049     MFnPointLight lightShape(dagPath_.node(), &result);
    00050     MayaStatusCheck(result);
    00051     MFnTransform lightTransform(dagPath_.transform(), &result);
    00052     MayaStatusCheck(result);
    00053     // 位置
    00054     MMatrix worldMatrix = lightTransform.transformationMatrix(&result);
    00055     MayaStatusCheck(result);
    00056     position_.set(
    00057         (float)worldMatrix.matrix[3][0],
    00058         (float)worldMatrix.matrix[3][1],
    00059         (float)worldMatrix.matrix[3][2]);
    00060     position_.set(0.f, 0.f, 0.f);
    00061     // 減衰係数
    00062     decayRate_ = lightShape.decayRate(&result);
    00063     MayaStatusCheck(result);
    00064     return true;
    00065 }
    00066 //------------------------------------------------------------------------------
    00067 // Lampへの変換
    00068 bool TranslationPointLight::convertToLamp(Scene* scene){
    00069     LightManager* lightManager = scene->getLightManager();
    00070     PointLight* light = lightManager->createPointLight(name_);
    00071     light->setColor(exportColor_);
    00072     light->setLightMask(lightMask_);
    00073     light->setEnabled(visibility_);
    00074     light->setPosition(position_);
    00075     light->setRange(calcRange(decayRate_));
    00076     if(decayRate_ == 0){
    00077         light->setAttenuation(1.f, 0.f, 0.f);
    00078     }else if(decayRate_ == 1){
    00079         light->setAttenuation(0.f, 1.f, 0.f);
    00080     }else if(decayRate_ == 2){
    00081         light->setAttenuation(0.f, 0.f, 1.f);
    00082     }else{
    00083         MayaErrorOut(String("TranslationPointLight::convertToLamp() ") +
    00084             name_ + "にサポートされていない減衰係数が設定されています");
    00085         return false;
    00086     }
    00087     return true;
    00088 }
    00089 //------------------------------------------------------------------------------
    00090 } // End of namespace LampForMaya
    00091 //------------------------------------------------------------------------------