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_EntityRotationPolicy
21 #define TrenchBroom_EntityRotationPolicy
22 
23 #include "Model/ModelTypes.h"
24 
25 namespace TrenchBroom {
26     namespace Model {
27         class EntityRotationPolicy {
28         private:
29             typedef enum {
30                 RotationType_None,
31                 RotationType_Angle,
32                 RotationType_AngleUpDown,
33                 RotationType_Euler
34             } RotationType;
35 
36             struct RotationInfo {
37                 const RotationType type;
38                 const AttributeName attribute;
39                 RotationInfo(RotationType i_type, const AttributeName& i_attribute);
40             };
41         protected:
42             EntityRotationPolicy();
43             static Mat4x4 getRotation(const Entity* entity);
44             static void applyRotation(Entity* entity, const Mat4x4& transformation);
45             static AttributeName getAttribute(const Entity* entity);
46         private:
47             static RotationInfo rotationInfo(const Entity* entity);
48             static void setAngle(Entity* entity, const AttributeName& attribute, const Vec3& direction);
49             static FloatType getAngle(Vec3 direction);
50         };
51     }
52 }
53 
54 #endif /* defined(TrenchBroom_EntityRotationPolicy) */
55