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source: code/trunk/src/libraries/tools/Shader.h @ 8930

Last change on this file since 8930 was 8729, checked in by rgrieder, 13 years ago

Merged unity_build branch back to trunk.

Features:

  • Implemented fully automatic build units to speed up compilation if requested
  • Added DOUT macro for quick debug output
  • Activated text colouring in the POSIX IOConsole
  • DeclareToluaInterface is not necessary anymore

Improvements:

  • Output levels now change appropriately when switch back and forth from dev mode
  • Log level for the file output is now also correct during startup
  • Removed some header file dependencies in core and tools to speed up compilation

no more file for command line options

  • Improved util::tribool by adapting some concepts from boost::tribool

Regressions:

  • It is not possible anymore to specify command line arguments in an extra file because we've got config values for that purpose.
  • Property svn:eol-style set to native
File size: 5.2 KB
RevLine 
[2350]1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#ifndef _Shader_H__
30#define _Shader_H__
31
[5693]32#include "tools/ToolsPrereqs.h"
[3196]33
[8729]34#include <list>
[3196]35#include <string>
[8079]36#include <OgreCompositorInstance.h>
37
38#include "util/MultiType.h"
39#include "core/ViewportEventListener.h"
[2350]40
41namespace orxonox
42{
[8079]43    /**
44        @brief Shader is a wrapper class around Ogre::CompositorInstance. It provides some
45        functions to easily change the visibility and parameters for shader programs.
46    */
47    class _ToolsExport Shader : public ViewportEventListener, public Ogre::CompositorInstance::Listener
[2350]48    {
49        public:
50            Shader(Ogre::SceneManager* scenemanager = 0);
51            virtual ~Shader();
52
[8079]53            /// Defines if the shader is visible or not.
[2350]54            inline void setVisible(bool bVisible)
55            {
56                if (this->bVisible_ != bVisible)
57                {
58                    this->bVisible_ = bVisible;
59                    this->updateVisibility();
60                }
61            }
[8079]62            /// Returns whether or not the shader is visible.
[2350]63            inline bool isVisible() const
64                { return this->bVisible_; }
65            void updateVisibility();
66
[8079]67            /// Defines the compositor's name (located in a .compositor file).
68            inline void setCompositorName(const std::string& name)
[2350]69            {
[8079]70                if (this->compositorName_ != name)
[2350]71                {
[8079]72                    this->compositorName_ = name;
73                    this->changedCompositorName();
[2350]74                }
75            }
[8079]76            /// Returns the compositor's name.
77            inline const std::string& getCompositorName() const
78                { return this->compositorName_; }
79            void changedCompositorName();
80            void changedCompositorName(Ogre::Viewport* viewport);
[2350]81
[8079]82            /// Sets the scenemanager (usually provided in the constructor, but can be set later). Shouldn't be changed once it's set.
83            inline void setSceneManager(Ogre::SceneManager* scenemanager)
84                { this->scenemanager_ = scenemanager; }
85            /// Returns the scene manager.
[2350]86            inline Ogre::SceneManager* getSceneManager() const
87                { return this->scenemanager_; }
88
[8079]89            virtual void cameraChanged(Ogre::Viewport* viewport, Ogre::Camera* oldCamera);
[2350]90
[8079]91            void setParameter(size_t technique, size_t pass, const std::string& parameter, float value);
92            void setParameter(size_t technique, size_t pass, const std::string& parameter, int value);
[2350]93
[8079]94            virtual void notifyMaterialRender(Ogre::uint32 pass_id, Ogre::MaterialPtr& materialPtr);
95
[2350]96        private:
[8079]97            static bool hasCgProgramManager();
[2358]98
[8079]99            Ogre::SceneManager* scenemanager_;              ///< The scenemanager for which the shader is active
100            Ogre::CompositorInstance* compositorInstance_;  ///< The compositor instance representing the wrapped compositor
101            bool bVisible_;                                 ///< True if the shader should be visible
102            bool bLoadCompositor_;                          ///< True if the compositor should be loaded (usually false if no graphics)
103            std::string compositorName_;                    ///< The name of the current compositor
104            std::string oldcompositorName_;                 ///< The name of the previous compositor (used to unregister)
105
106        private:
107            void addAsListener();
108
109            /// Helper struct to store parameters for shader programs.
110            struct ParameterContainer
111            {
112                size_t technique_;          ///< The ID of the technique
113                size_t pass_;               ///< The ID of the pass
114                std::string parameter_;     ///< The name of the parameter
115
116                int valueInt_;              ///< The desired int value of the parameter
117                float valueFloat_;          ///< The desired float value of the parameter
118
119                MT_Type::Value valueType_;  ///< The type of the parameter (currently only int or float)
120            };
121
122            std::list<ParameterContainer> parameters_;  ///< The list of parameters that should be set on the next update
123            bool registeredAsListener_;                 ///< True if the shader should register itself as listener at the compositor
[2350]124    };
125}
126
127#endif /* _Shader_H__ */
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