The GtkRadiant sources as originally released under the GPL license.

include/ieclass.h

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+/*
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+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
+*/
+
+/// \file ieclass.h
+/// \brief Entity Class definition loader API.
+
+
+#if !defined(INCLUDED_IECLASS_H)
+#define INCLUDED_IECLASS_H
+
+#include "generic/constant.h"
+
+#define	MAX_FLAGS	16
+
+// eclass show flags
+
+#define     ECLASS_LIGHT      0x00000001
+#define     ECLASS_ANGLE      0x00000002
+#define     ECLASS_PATH       0x00000004
+#define     ECLASS_MISCMODEL  0x00000008
+
+class Shader;
+
+class EntityClass;
+class ListAttributeType;
+
+class EntityClassCollector
+{
+public:
+  virtual void insert(EntityClass* eclass) = 0;
+  virtual void insert(const char* name, const ListAttributeType& list)
+  {
+  }
+};
+
+struct EntityClassScanner
+{
+  INTEGER_CONSTANT(Version, 1);
+  STRING_CONSTANT(Name, "eclass");
+
+  void (*scanFile)(EntityClassCollector& collector, const char* filename);
+  const char* (*getExtension)();
+};
+
+#include "modulesystem.h"
+
+template<typename Type>
+class GlobalModule;
+typedef GlobalModule<EntityClassScanner> GlobalEClassModule;
+
+template<typename Type>
+class GlobalModuleRef;
+typedef GlobalModuleRef<EntityClassScanner> GlobalEClassModuleRef;
+
+inline EntityClassScanner& GlobalEClassLoader()
+{
+  return GlobalEClassModule::getTable();
+}
+
+
+
+
+
+class EntityClassVisitor
+{
+public:
+  virtual void visit(EntityClass* eclass) = 0;
+};
+
+class ModuleObserver;
+
+
+struct EntityClassManager
+{
+  INTEGER_CONSTANT(Version, 1);
+  STRING_CONSTANT(Name, "eclassmanager");
+
+  EntityClass* (*findOrInsert)(const char* name, bool has_brushes);
+  const ListAttributeType* (*findListType)(const char* name);
+  void (*forEach)(EntityClassVisitor& visitor);
+  void (*attach)(ModuleObserver& observer);
+  void (*detach)(ModuleObserver& observer);
+  void (*realise)();
+  void (*unrealise)();
+};
+
+template<typename Type>
+class GlobalModule;
+typedef GlobalModule<EntityClassManager> GlobalEntityClassManagerModule;
+
+template<typename Type>
+class GlobalModuleRef;
+typedef GlobalModuleRef<EntityClassManager> GlobalEntityClassManagerModuleRef;
+
+inline EntityClassManager& GlobalEntityClassManager()
+{
+  return GlobalEntityClassManagerModule::getTable();
+}
+
+#endif