RRV - Radiosity Renderer and Visualizer (C++, OpenGL)

/*
 * Copyright (C) 2007 TODO
 *
 * This file is part of rrv (Radiosity Renderer and Visualizer).
 *
 * rrv is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * rrv 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with rrv.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "PatchCacheLine.h"
#include "PatchRandomAccessEnumerator.h"
#include <assert.h>
 
PatchCacheLine::PatchCacheLine(PatchRandomAccessEnumerator *patchEnumerator, float ffTreshold):
		patchEnumerator_(patchEnumerator),
		ffTreshold_(ffTreshold)
{
}
 
void PatchCacheLine::addPatch(int patch, float formFactor) {
	assert(patch>=0);
	assert(patch<patchEnumerator_->count());
	if (formFactor <= ffTreshold_)
		return;
 
	Triangle &t= patchEnumerator_->operator[](patch);
	Color &color= t.radiosityLast;
	container_.push_back(TCacheItem(&color, formFactor));
}
 
Color PatchCacheLine::totalRadiosity() {
	Color radiosity(0.0, 0.0, 0.0);
	TContainer::iterator iter;
	for(iter= container_.begin(); iter!= container_.end(); iter++) {
		TCacheItem &cacheItem = *iter;
		Color c = *(cacheItem.first);
		c *= cacheItem.second;
		radiosity += c;
	}
	return radiosity;
}
 
size_t PatchCacheLine::itemCount() {
	return container_.size();
}