The GtkRadiant sources as originally released under the GPL license.

include/ientity.h

@@ -0,0 +1,131 @@
+/*
+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
+*/
+
+#if !defined(INCLUDED_IENTITY_H)
+#define INCLUDED_IENTITY_H
+
+#include "generic/constant.h"
+
+#include "string/string.h"
+#include "scenelib.h"
+
+class EntityClass;
+
+class Entity
+{
+public:
+  STRING_CONSTANT(Name, "Entity");
+
+  class Visitor
+  {
+  public:
+    virtual void visit(const char* key, const char* value) = 0;
+  };
+
+  virtual const EntityClass& getEntityClass() const = 0;
+  virtual void forEachKeyValue(Visitor& visitor) const = 0;
+  virtual void setKeyValue(const char* key, const char* value) = 0;
+  virtual const char* getKeyValue(const char* key) const = 0;
+  virtual bool isContainer() const = 0;
+};
+
+class EntityCopyingVisitor : public Entity::Visitor
+{
+  Entity& m_entity;
+public:
+  EntityCopyingVisitor(Entity& entity)
+    : m_entity(entity)
+  {
+  }
+
+  void visit(const char* key, const char* value)
+  {
+    if(!string_equal(key, "classname"))
+    {
+      m_entity.setKeyValue(key, value);
+    }
+  }
+};
+
+inline Entity* Node_getEntity(scene::Node& node)
+{
+  return NodeTypeCast<Entity>::cast(node);
+}
+
+
+template<typename value_type>
+class Stack;
+template<typename Contained>
+class Reference;
+
+namespace scene
+{
+  class Node;
+}
+
+typedef Reference<scene::Node> NodeReference;
+
+namespace scene
+{
+  typedef Stack<NodeReference> Path;
+}
+
+class Counter;
+
+class EntityCreator
+{
+public:
+  INTEGER_CONSTANT(Version, 2);
+  STRING_CONSTANT(Name, "entity");
+
+  virtual scene::Node& createEntity(EntityClass* eclass) = 0;
+
+  typedef void (*KeyValueChangedFunc)();
+  virtual void setKeyValueChangedFunc(KeyValueChangedFunc func) = 0;
+
+  virtual void setCounter(Counter* counter) = 0;
+
+  virtual void connectEntities(const scene::Path& e1, const scene::Path& e2) = 0;
+
+  virtual void setLightRadii(bool lightRadii) = 0;
+  virtual bool getLightRadii() = 0;
+  virtual void setShowNames(bool showNames) = 0;
+  virtual bool getShowNames() = 0;
+  virtual void setShowAngles(bool showAngles) = 0;
+  virtual bool getShowAngles() = 0;
+};
+
+#include "modulesystem.h"
+
+template<typename Type>
+class GlobalModule;
+typedef GlobalModule<EntityCreator> GlobalEntityModule;
+
+template<typename Type>
+class GlobalModuleRef;
+typedef GlobalModuleRef<EntityCreator> GlobalEntityModuleRef;
+
+inline EntityCreator& GlobalEntityCreator()
+{
+  return GlobalEntityModule::getTable();
+}
+
+#endif