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stark/scene.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef STARK_SCENE_H
00024 #define STARK_SCENE_H
00025 
00026 #include "common/rect.h"
00027 
00028 #include "math/matrix4.h"
00029 #include "math/ray.h"
00030 #include "math/vector3d.h"
00031 
00032 namespace Stark {
00033 
00034 namespace Gfx {
00035 class Driver;
00036 class RenderEntry;
00037 }
00038 
00042 class Scene {
00043 public:
00044     Scene(Gfx::Driver *gfx);
00045     ~Scene();
00046 
00047     void initCamera(const Math::Vector3d &position, const Math::Vector3d &lookAt,
00048             float fov, Common::Rect viewSize, float nearClipPlane, float farClipPlane);
00049 
00051     void scrollCamera(const Common::Rect &viewport);
00052 
00054     Math::Matrix4 getProjectionMatrix() const { return _projectionMatrix; }
00055 
00057     Math::Matrix4 getViewMatrix() const { return _viewMatrix; }
00058 
00066     Math::Ray makeRayFromMouse(const Common::Point &mouse) const;
00067 
00073     Common::Point convertPosition3DToGameScreenOriginal(const Math::Vector3d &obj) const;
00074 
00076     void setFadeLevel(float fadeLevel);
00077     float getFadeLevel() const;
00078 
00080     void setSwayAngle(const Math::Angle &angle);
00081     Math::Angle getSwayAngle() const;
00082 
00084     Math::Vector3d getSwayDirection() const;
00085 
00087     void setFloatOffset(float floatOffset);
00088     float getFloatOffset() const;
00089 
00091     void setMaxShadowLength(float length) { _maxShadowLength = length; }
00092     float getMaxShadowLength() const { return _maxShadowLength; }
00093 
00094 private:
00095     void computeClippingRect(float *xmin, float *xmax, float *ymin, float *ymax);
00096 
00097     Gfx::Driver *_gfx;
00098 
00099     Math::Vector3d _cameraPosition;
00100     Math::Vector3d _cameraLookDirection;
00101     float _fov;
00102     Common::Rect _viewSize;
00103     Common::Rect _viewport;
00104     float _nearClipPlane;
00105     float _farClipPlane;
00106 
00107     Math::Matrix4 _projectionMatrix;
00108     Math::Matrix4 _viewMatrix;
00109 
00110     float _fadeLevel;
00111     Math::Angle _swayAngle;
00112     float _floatOffset;
00113 
00114     float _maxShadowLength;
00115 };
00116 
00117 } // End of namespace Stark
00118 
00119 #endif // STARK_SCENE_H


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