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Tuesday the 22nd of May 2012 @ 01:56am

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LibN2L N2L Home Older News Downloads Documentation (n2l5) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Documentation (libN2L-4) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Bugtracker Project Page Report a Bug Bug List Related Things Life 2130 Devel Game Journal

LibN2L-4 Library Code Reference Classes Compounds Files Members Method Index Full Reference cPParticleSpec.cpp Go to the documentation of this file. /************************************************************************ Nova-2 Library (libN2L, or simply n2l) Game development C++ Library Copyright (C) 2003 Aaron Cameron This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A copy of the GNU Lesser General Public License has been provided with this library in the file 'COPYING'. Contact information for the author of this library has been provided with this library in the file 'AUTHOR'. ************************************************************************/ #include "particles/cPParticleSpec.h" #include "n2l/vfs.h" #include "n2l/dynVars.h" #include "n2l/resourceManagement.h" #include "particles/cParticle.h" //#include <iostream> //using namespace std; namespace n2l { /******************************************************************/ cPParticleSpec::cPParticleSpec() { init(); } /******************************************************************/ cPParticleSpec::cPParticleSpec( const cPParticleSpec &iSpec ) { init(); *this = iSpec; } /******************************************************************/ cPParticleSpec::cPParticleSpec( const cDynVar &iDef ) { init(); load(iDef); } /******************************************************************/ cPParticleSpec::cPParticleSpec( const cVfsNodeInterface &iNode ) { init(); load(iNode); } /******************************************************************/ cPParticleSpec::~cPParticleSpec() { free(); } /******************************************************************/ void cPParticleSpec::load( const cDynVar &iDef ) { free(); // Do the load here try { // Textures if (iDef.keyExists("textures")) for (cDynVar::tConstIterator i=iDef["textures"].begin(); i!=iDef["textures"].end(); ++i) mTextures.push_back( cResourceManager::get<cGLTexture>( i->second) ); // Colours if (iDef.keyExists("colourStartToEnd")) { mColourSelect = ColourSelect_C1ToC2; cDynVar c; c = iDef["colourStartToEnd"]["start"]; mColours.push_back( cColour(c[0],c[1],c[2],c[3]) ); c = iDef["colourStartToEnd"]["end"]; mColours.push_back( cColour(c[0],c[1],c[2],c[3]) ); } else {} // Put other colour selection types here // Growth Ranges if (iDef.keyExists("growth")) { mGrowthSelect = GrowthSelect_Uniform; mGrowths.push_back( tVector2f(iDef["growth"][0],iDef["growth"][1]) ); } else {} // Put other growth selection types here // Size Ranges if (iDef.keyExists("size")) { mSizeSelect = SizeSelect_Uniform; mSizes.push_back( tVector2f(iDef["size"][0],iDef["size"][1]) ); } else {} // Put other growth selection types here // Others mLifespan = tSint(iDef.keyValueOr( "lifespan", tSint(mLifespan) )); } catch ( const cException &iException ) { throw cBadDataUseException( "cPParticleSpec::load", tString("Not a valid particle spec: ")+ tString(iException) ); } } /******************************************************************/ void cPParticleSpec::load( const cVfsNodeInterface &iNode ) { tVfsFileBuffer buffer; tUint DataOffset; try { DataOffset = vfsNodeFileWithHeader( iNode, "n2l::cPParticleSpec", buffer ); } catch ( const cBadDataUseException & iException ) { throw cBadDataUseException( "cPParticleSpec::load", tString("Failed to load: \"")+ iNode.name() + "\": " + tString(iException) ); } cDynVar def; def.unserialize( buffer, DataOffset ); load( def ); } /******************************************************************/ /* cPParticleSpec &cPParticleSpec::operator =( const cPParticleSpec &iSpec ) { // Do a copy here. return *this; } */ /******************************************************************/ void cPParticleSpec::clear() { free(); init(); } /******************************************************************/ cParticle *const cPParticleSpec::newParticle( const tVector3f &iPos, const tVector3f &iVel ) const { static const cColour White( 1.0f,1.0f,1.0f,1.0f ); static const cColour Black( 0.0f,0.0f,0.0f,1.0f ); static const tVector2f NoGrowth( 0.0f,0.0f ); static const tVector2f OneSize( 1.0f,1.0f ); cParticle *p( new cParticle() ); // ------------------------------ if (!mTextures.empty()) p->mTexture = mTextures[ n2lRandom(mTextures.size()) ]; // ------------------------------ switch (mColourSelect) { case ColourSelect_C1ToC2: p->mColour = mColours[0]; p->mStartColour = mColours[0]; p->mEndColour = mColours[1]; break; default: case ColourSelect_WhiteToBlack: p->mColour = White; p->mStartColour = White; p->mEndColour = Black; break; } // ------------------------------ switch (mGrowthSelect) { case GrowthSelect_Uniform: p->mGrowth = mGrowths[0]; break; default: case GrowthSelect_Static: p->mGrowth = NoGrowth; break; } // ------------------------------ switch (mSizeSelect) { case SizeSelect_Uniform: // cout << "Created new p with size: " << mSizes[0].dump() << endl; p->mSize = mSizes[0]; break; default: case SizeSelect_One: p->mSize = OneSize; break; } // ------------------------------ // Other stuff p->mTimeToLive = mLifespan; p->mPos = iPos; p->mVelocity = iVel; return p; } /******************************************************************/ void cPParticleSpec::init() { mColourSelect = ColourSelect_WhiteToBlack; mGrowthSelect = GrowthSelect_Static; mSizeSelect = SizeSelect_One; mLifespan = 1000; } /******************************************************************/ void cPParticleSpec::free() { mColours.clear(); mTextures.clear(); mGrowths.clear(); mSizes.clear(); } }

©2012 Aaron Cameron