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Tuesday the 22nd of May 2012 @ 12:34am

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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 cGuiSEColourTrans.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 "cGuiSEColourTrans.h" #include "gui/cGuiElement.h" #include "n2l/vfs.h" namespace n2l { /**************************************************************************/ cGuiSEColourTrans::cGuiSEColourTrans() { init(); } /**************************************************************************/ cGuiSEColourTrans::cGuiSEColourTrans( const cVfsNodeInterface &iNode ) { init(); load( iNode ); } /**************************************************************************/ cGuiSEColourTrans::cGuiSEColourTrans( const cDynVar &iDef ) { init(); load( iDef ); } /**************************************************************************/ cGuiSEColourTrans::~cGuiSEColourTrans() { } /**************************************************************************/ void cGuiSEColourTrans::load( const cVfsNodeInterface &iNode ) { const tUint DataOffset = vfsNodeFileWithHeader( iNode, "n2l::cGuiSEColourTrans"); cDynVar def; def.unserialize( iNode.buffer().c_str()+DataOffset ); load( def ); } /**************************************************************************/ void cGuiSEColourTrans::load( const cDynVar &iDef ) { cGuiSEInt::load( iDef ); if (iDef["colourCorners"]) { for (tUint i=0; i!=4; ++i) { if (iDef.keyExists("fromColour")) { mC1[i] = iDef["fromColour"][i]; mInheritC1 = false; } mC2[i] = iDef["toColour"][i]; } mColourCorners = true; // Reset the default property. It may still be overridden later mInnerKey = "colourCorners"; } else { if (iDef.keyExists("fromColour")) { mC1[0] = iDef["fromColour"]; mInheritC1 = false; } mC2[0] = iDef["toColour"]; } mLife = iDef["time"]; mProp = iDef.keyValueOr( "prop", mProp ); mInnerKey = iDef.keyValueOr( "innerKey", mInnerKey ); } /**************************************************************************/ const tBool cGuiSEColourTrans::actOn( cGuiElement *const i_ioElement, const tUint iTimePassed ) { if (!alive()) return false; mAge += iTimePassed; mAge = n2lMin(mAge,mLife); if (mFirstUpdate) { mFirstUpdate = false; // This is temporary, I would think. // It removes ambiguity in the prop call, but is really, // really unobvious. const cGuiElement *const tmpElement = i_ioElement; if (mInheritC1) { if (mColourCorners) { cDynVar tmp = tmpElement->prop( mProp, mInnerKey ); for (tUint i=0; i!=4; ++i) mC1[i] = tmp[i]; } else mC1[0] = tmpElement->prop( mProp, mInnerKey ); } } if (mColourCorners) { const tFloat PCent = mAge/tFloat(mLife); cColour tmpCol[4] = { mC2[0], mC2[1], mC2[2], mC2[3] }; cDynVar tmpDef = cDynVar::Array; for (tUint i=0; i!=4; ++i) { tmpCol[i] -= mC1[i]; tmpCol[i] *= PCent; tmpCol[i] += mC1[i]; // Don't hate me. I'm just lazy. tmpDef[i] = cDynVar::Array; tmpDef[i][0] = tmpCol[i].r(); tmpDef[i][1] = tmpCol[i].g(); tmpDef[i][2] = tmpCol[i].b(); tmpDef[i][3] = tmpCol[i].a(); } i_ioElement->prop( mProp, tmpDef, mInnerKey ); } else { cColour tmpCol = mC2[0]; tmpCol -= mC1[0]; tmpCol *= mAge/tFloat(mLife); tmpCol += mC1[0]; // No. I'm not proud of this. cDynVar tmpDef = cDynVar::Array; tmpDef[0] = tmpCol.r(); tmpDef[1] = tmpCol.g(); tmpDef[2] = tmpCol.b(); tmpDef[3] = tmpCol.a(); i_ioElement->prop( mProp, tmpDef, mInnerKey ); } return alive(mAge!=mLife); } /**************************************************************************/ const cAutoPtr<cGuiSEInt> cGuiSEColourTrans::clone() const { cAutoPtr<cGuiSEColourTrans> tmp = new cGuiSEColourTrans; cloneInto( tmp ); return tmp; } /**************************************************************************/ void cGuiSEColourTrans::cloneInto( const cAutoPtr<cGuiSEColourTrans> &ioElement ) const { cGuiSEInt::cloneInto( ioElement ); ioElement->mC1 = mC1; ioElement->mC2 = mC2; ioElement->mColourCorners = mColourCorners; ioElement->mInheritC1 = mInheritC1; ioElement->mLife = mLife; ioElement->mAge = mAge; ioElement->mProp = mProp; ioElement->mInnerKey = mInnerKey; ioElement->mFirstUpdate = true; } /**************************************************************************/ void cGuiSEColourTrans::init() { mLife = 1000; mAge = 0; mProp = "colour"; mColourCorners = false; mFirstUpdate = true; mInheritC1 = true; mC1.reserve(4); mC2.reserve(4); for (tUint i=0; i!=4; ++i) { mC1.push_back( cColour() ); mC2.push_back( cColour() ); } } }

©2012 Aaron Cameron