1 /*
2  Copyright (C) 2010-2014 Kristian Duske
3 
4  This file is part of TrenchBroom.
5 
6  TrenchBroom is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  TrenchBroom is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef TrenchBroom_MergeNodesIntoWorldVisitor
21 #define TrenchBroom_MergeNodesIntoWorldVisitor
22 
23 #include "Model/ModelTypes.h"
24 #include "Model/NodeVisitor.h"
25 
26 namespace TrenchBroom {
27     namespace Model {
28         class MergeNodesIntoWorldVisitor : public NodeVisitor {
29         private:
30             World* m_world;
31             Layer* m_layer;
32 
33             ParentChildrenMap m_result;
34             mutable NodeList m_nodesToDetach;
35             mutable NodeList m_nodesToDelete;
36         public:
37             MergeNodesIntoWorldVisitor(World* world, Layer* layer);
38 
39             const ParentChildrenMap& result() const;
40         private:
41             void doVisit(World* world);
42             void doVisit(Layer* layer);
43             void doVisit(Group* group);
44             void doVisit(Entity* entity);
45             void doVisit(Brush* brush);
46 
47             void addNode(Node* node);
48             void deleteNode(Node* node);
49             void detachNode(Node* node);
50 
51             void deleteNodes() const;
52             void detachNodes() const;
53         };
54     }
55 }
56 
57 #endif /* defined(TrenchBroom_MergeNodesIntoWorldVisitor) */
58