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_RotateObjectsTool
21 #define TrenchBroom_RotateObjectsTool
22 
23 #include "TrenchBroom.h"
24 #include "VecMath.h"
25 #include "Model/Hit.h"
26 #include "View/Tool.h"
27 #include "View/RotateObjectsHandle.h"
28 
29 namespace TrenchBroom {
30     namespace Renderer {
31         class Camera;
32     }
33 
34     namespace View {
35         class Grid;
36         class RotateObjectsHandle;
37         class RotateObjectsToolPage;
38 
39         class RotateObjectsTool : public Tool {
40         private:
41             MapDocumentWPtr m_document;
42             RotateObjectsToolPage* m_toolPage;
43             RotateObjectsHandle m_handle;
44             double m_angle;
45             bool m_firstActivation;
46         public:
47             RotateObjectsTool(MapDocumentWPtr document);
48 
49             bool doActivate();
50 
51             const Grid& grid() const;
52 
53             void updateToolPageAxis(RotateObjectsHandle::HitArea area);
54 
55             double angle() const;
56             void setAngle(double angle);
57 
58             Vec3 rotationCenter() const;
59             void setRotationCenter(const Vec3& position);
60             void resetRotationCenter();
61             FloatType handleRadius() const;
62 
63             void beginRotation();
64             void commitRotation();
65             void cancelRotation();
66 
67             FloatType snapRotationAngle(FloatType angle) const;
68             void applyRotation(const Vec3& center, const Vec3& axis, FloatType angle);
69 
70             Model::Hit pick2D(const Ray3& pickRay, const Renderer::Camera& camera);
71             Model::Hit pick3D(const Ray3& pickRay, const Renderer::Camera& camera);
72 
73             Vec3 rotationAxis(RotateObjectsHandle::HitArea area) const;
74             Vec3 rotationAxisHandle(RotateObjectsHandle::HitArea area, const Vec3& cameraPos) const;
75 
76             void renderHandle2D(Renderer::RenderContext& renderContext, Renderer::RenderBatch& renderBatch);
77             void renderHandle3D(Renderer::RenderContext& renderContext, Renderer::RenderBatch& renderBatch);
78             void renderHighlight2D(Renderer::RenderContext& renderContext, Renderer::RenderBatch& renderBatch, RotateObjectsHandle::HitArea area);
79             void renderHighlight3D(Renderer::RenderContext& renderContext, Renderer::RenderBatch& renderBatch, RotateObjectsHandle::HitArea area);
80         private:
81             wxWindow* doCreatePage(wxWindow* parent);
82             String doGetIconName() const;
83         };
84     }
85 }
86 
87 #endif /* defined(TrenchBroom_RotateObjectsTool) */
88