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LibN2L-4 Library Code Reference

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gui

cGuiSEModelOrbit.cpp

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00001 /************************************************************************
00002 Nova-2 Library (libN2L, or simply n2l) Game development C++ Library
00003 Copyright (C) 2002  Aaron Cameron
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 A copy of the GNU Lesser General Public License has been provided with
00020 this library in the file 'COPYING'.
00021 
00022 Contact information for the author of this library has been provided
00023 with this library in the file 'AUTHOR'.
00024 ************************************************************************/
00025 #include "gui/cGuiSEModelOrbit.h"
00026 #include "gui/cGuiModelView.h"
00027 namespace n2l
00028 {
00029     /**************************************************************************/
00030     cGuiSEModelOrbit::cGuiSEModelOrbit()
00031     {
00032         init();
00033     }
00034 
00035     /**************************************************************************/
00036     cGuiSEModelOrbit::cGuiSEModelOrbit( const cDynVar &iDef )
00037     {
00038         init();
00039         load( iDef );
00040     }
00041 
00042     /**************************************************************************/
00043     cGuiSEModelOrbit::cGuiSEModelOrbit( const tString &iName,
00044         const tVector3f &iDPS, const tVector3f &iStartOffset,
00045         const tUint iLifespan ) :
00046         cGuiSEInt( iName )
00047     {
00048         init();
00049         mDps = iDPS;
00050         mDegrees = iStartOffset;
00051         lifespan( iLifespan );
00052     }
00053 
00054     /**************************************************************************/
00055     cGuiSEModelOrbit::~cGuiSEModelOrbit()
00056     {
00057     }
00058 
00059     /**************************************************************************/
00060     void cGuiSEModelOrbit::load( const cDynVar &iDef )
00061     {
00062         cGuiSEInt::load( iDef );
00063 
00064         if (iDef.keyExistsAsArray("dps"))
00065             mDps = asVector3f( iDef["dps"] );
00066 
00067         if (iDef.keyExistsAsArray("offset"))
00068             mDegrees = asVector3f( iDef["offset"] );
00069 
00070         if (iDef.keyExistsAsArray("startOffset"))
00071             mDegrees = asVector3f( iDef["startOffset"] );
00072 
00073         lifespan( iDef["lifespan"] );
00074     }
00075 
00076     /**************************************************************************/
00077     void cGuiSEModelOrbit::lifespan( const tUint &iLifespan )
00078     {
00079         if (iLifespan) mTimed = true;
00080         else mTimed = false;
00081         mLifespan = iLifespan;
00082     }
00083 
00084     /**************************************************************************/
00085     const tBool cGuiSEModelOrbit::actOn( cGuiElement *const i_ioElement,
00086         const tUint iTimePassed )
00087     {
00088         if (!alive()) return false;
00089         mLifespan -= n2lMin( mLifespan, iTimePassed );
00090         const tFloat Seconds = iTimePassed/1000.0f;
00091         mDegrees += mDps*Seconds;
00092         
00093         cGuiModelView *tmp = dynamic_cast<cGuiModelView *>(i_ioElement);
00094         if (!tmp) throw cBadDataUseException( "cGuiSEModelOrbit::actOn",
00095             "Special effect attached to incompatible element, slick." );
00096 
00097         tMatrix44f tmpTrans;
00098         tmpTrans.eulerRotD( mDegrees );
00099         tmp->meshTrans(tmpTrans);
00100 
00101         if (mTimed) return alive(mLifespan);
00102         return alive(true);
00103     }
00104 
00105     /**************************************************************************/
00106     const cAutoPtr<cGuiSEInt> cGuiSEModelOrbit::clone() const
00107     {
00108         cAutoPtr<cGuiSEModelOrbit> tmp = new cGuiSEModelOrbit;
00109         cloneInto( tmp );
00110         return tmp;
00111     }
00112     
00113     /**************************************************************************/
00114     void cGuiSEModelOrbit::cloneInto(
00115         const cAutoPtr<cGuiSEModelOrbit> &ioElement ) const
00116     {
00117         cGuiSEInt::cloneInto( ioElement );
00118         
00119         ioElement->mDps = mDps;
00120         ioElement->mDegrees = mDegrees;
00121 
00122         ioElement->mTimed = mTimed;
00123         ioElement->mLifespan = mLifespan;
00124     }
00125 
00126     /**************************************************************************/
00127     void cGuiSEModelOrbit::init()
00128     {
00129         mDps.set(0.0f, 45.0f, 0.0f);
00130         mDegrees.set(-33.3f, -245.0f, 0.0f);
00131 
00132         mLifespan = 0;
00133         mTimed = false;
00134     }
00135 
00136 } // namespace n2l
©2012 Aaron Cameron