vmap/plugins/entity/filters.cpp

71 lines
1.7 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant 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 2 of the License, or
(at your option) any later version.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "filters.h"
#include "ifilter.h"
#include <list>
class EntityFilterWrapper : public Filter {
bool m_active;
bool m_invert;
EntityFilter &m_filter;
public:
EntityFilterWrapper(EntityFilter &filter, bool invert) : m_invert(invert), m_filter(filter)
{
}
void setActive(bool active)
{
m_active = active;
}
bool active()
{
return m_active;
}
bool filter(const Entity &entity)
{
return m_invert ^ m_filter.filter(entity);
}
};
typedef std::list<EntityFilterWrapper> EntityFilters;
EntityFilters g_entityFilters;
void add_entity_filter(EntityFilter &filter, int mask, bool invert)
{
g_entityFilters.push_back(EntityFilterWrapper(filter, invert));
GlobalFilterSystem().addFilter(g_entityFilters.back(), mask);
}
bool entity_filtered(Entity &entity)
{
for (EntityFilters::iterator i = g_entityFilters.begin(); i != g_entityFilters.end(); ++i) {
if ((*i).active() && (*i).filter(entity)) {
return true;
}
}
return false;
}