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git-svn-id: svn://svn.icculus.org/netradiant/trunk@1 61c419a2-8eb2-4b30-bcec-8cead039b335

plugins/entity/filters.cpp

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+/*
+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;
+}
+