[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #ifndef __ColourFaderAffector2_H__
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| 26 | #define __ColourFaderAffector2_H__
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| 27 |
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| 28 | #include "OgreParticleFXPrerequisites.h"
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| 29 | #include "OgreParticleAffector.h"
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| 30 | #include "OgreStringInterface.h"
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| 31 |
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| 32 | namespace Ogre {
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| 33 |
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| 34 |
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| 35 | /** This plugin subclass of ParticleAffector allows you to alter the colour of particles.
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| 36 | @remarks
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| 37 | This class supplies the ParticleAffector implementation required to modify the colour of
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| 38 | particle in mid-flight.
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| 39 | */
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| 40 | class _OgreParticleFXExport ColourFaderAffector2 : public ParticleAffector
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| 41 | {
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| 42 | public:
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| 43 |
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| 44 | /** Command object for red adjust (see ParamCommand).*/
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| 45 | class CmdRedAdjust1 : public ParamCommand
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| 46 | {
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| 47 | public:
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| 48 | String doGet(const void* target) const;
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| 49 | void doSet(void* target, const String& val);
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| 50 | };
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| 51 |
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| 52 | /** Command object for green adjust (see ParamCommand).*/
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| 53 | class CmdGreenAdjust1 : public ParamCommand
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| 54 | {
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| 55 | public:
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| 56 | String doGet(const void* target) const;
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| 57 | void doSet(void* target, const String& val);
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| 58 | };
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| 59 |
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| 60 | /** Command object for blue adjust (see ParamCommand).*/
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| 61 | class CmdBlueAdjust1 : public ParamCommand
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| 62 | {
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| 63 | public:
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| 64 | String doGet(const void* target) const;
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| 65 | void doSet(void* target, const String& val);
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| 66 | };
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| 67 |
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| 68 | /** Command object for alpha adjust (see ParamCommand).*/
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| 69 | class CmdAlphaAdjust1 : public ParamCommand
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| 70 | {
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| 71 | public:
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| 72 | String doGet(const void* target) const;
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| 73 | void doSet(void* target, const String& val);
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| 74 | };
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| 75 |
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| 76 | /** Command object for red adjust (see ParamCommand).*/
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| 77 | class CmdRedAdjust2 : public ParamCommand
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| 78 | {
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| 79 | public:
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| 80 | String doGet(const void* target) const;
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| 81 | void doSet(void* target, const String& val);
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| 82 | };
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| 83 |
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| 84 | /** Command object for green adjust (see ParamCommand).*/
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| 85 | class CmdGreenAdjust2 : public ParamCommand
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| 86 | {
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| 87 | public:
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| 88 | String doGet(const void* target) const;
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| 89 | void doSet(void* target, const String& val);
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| 90 | };
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| 91 |
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| 92 | /** Command object for blue adjust (see ParamCommand).*/
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| 93 | class CmdBlueAdjust2 : public ParamCommand
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| 94 | {
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| 95 | public:
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| 96 | String doGet(const void* target) const;
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| 97 | void doSet(void* target, const String& val);
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| 98 | };
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| 99 |
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| 100 | /** Command object for alpha adjust (see ParamCommand).*/
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| 101 | class CmdAlphaAdjust2 : public ParamCommand
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| 102 | {
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| 103 | public:
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| 104 | String doGet(const void* target) const;
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| 105 | void doSet(void* target, const String& val);
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| 106 | };
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| 107 |
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| 108 | /** Command object for alpha adjust (see ParamCommand).*/
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| 109 | class CmdStateChange : public ParamCommand
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| 110 | {
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| 111 | public:
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| 112 | String doGet(const void* target) const;
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| 113 | void doSet(void* target, const String& val);
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| 114 | };
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| 115 |
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| 116 |
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| 117 | /** Default constructor. */
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| 118 | ColourFaderAffector2(ParticleSystem* psys);
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| 119 |
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| 120 | /** See ParticleAffector. */
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| 121 | void _affectParticles(ParticleSystem* pSystem, Real timeElapsed);
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| 122 |
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| 123 | /** Sets the colour adjustment to be made per second to particles.
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| 124 | @param red, green, blue, alpha
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| 125 | Sets the adjustment to be made to each of the colour components per second. These
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| 126 | values will be added to the colour of all particles every second, scaled over each frame
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| 127 | for a smooth adjustment.
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| 128 | */
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| 129 | void setAdjust1(float red, float green, float blue, float alpha = 0.0);
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| 130 | void setAdjust2(float red, float green, float blue, float alpha = 0.0);
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| 131 | /** Sets the red adjustment to be made per second to particles.
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| 132 | @param red
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| 133 | The adjustment to be made to the colour component per second. This
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| 134 | value will be added to the colour of all particles every second, scaled over each frame
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| 135 | for a smooth adjustment.
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| 136 | */
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| 137 | void setRedAdjust1(float red);
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| 138 | void setRedAdjust2(float red);
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| 139 |
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| 140 | /** Gets the red adjustment to be made per second to particles. */
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| 141 | float getRedAdjust1(void) const;
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| 142 | float getRedAdjust2(void) const;
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| 143 |
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| 144 | /** Sets the green adjustment to be made per second to particles.
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| 145 | @param green
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| 146 | The adjustment to be made to the colour component per second. This
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| 147 | value will be added to the colour of all particles every second, scaled over each frame
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| 148 | for a smooth adjustment.
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| 149 | */
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| 150 | void setGreenAdjust1(float green);
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| 151 | void setGreenAdjust2(float green);
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| 152 | /** Gets the green adjustment to be made per second to particles. */
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| 153 | float getGreenAdjust1(void) const;
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| 154 | float getGreenAdjust2(void) const;
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| 155 | /** Sets the blue adjustment to be made per second to particles.
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| 156 | @param blue
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| 157 | The adjustment to be made to the colour component per second. This
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| 158 | value will be added to the colour of all particles every second, scaled over each frame
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| 159 | for a smooth adjustment.
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| 160 | */
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| 161 | void setBlueAdjust1(float blue);
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| 162 | void setBlueAdjust2(float blue);
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| 163 | /** Gets the blue adjustment to be made per second to particles. */
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| 164 | float getBlueAdjust1(void) const;
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| 165 | float getBlueAdjust2(void) const;
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| 166 |
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| 167 | /** Sets the alpha adjustment to be made per second to particles.
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| 168 | @param alpha
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| 169 | The adjustment to be made to the colour component per second. This
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| 170 | value will be added to the colour of all particles every second, scaled over each frame
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| 171 | for a smooth adjustment.
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| 172 | */
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| 173 | void setAlphaAdjust1(float alpha);
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| 174 | void setAlphaAdjust2(float alpha);
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| 175 | /** Gets the alpha adjustment to be made per second to particles. */
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| 176 | float getAlphaAdjust1(void) const;
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| 177 | float getAlphaAdjust2(void) const;
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| 178 |
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| 179 |
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| 180 | void setStateChange(Real NewValue );
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| 181 | Real getStateChange(void) const;
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| 182 |
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| 183 | static CmdRedAdjust1 msRedCmd1;
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| 184 | static CmdRedAdjust2 msRedCmd2;
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| 185 | static CmdGreenAdjust1 msGreenCmd1;
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| 186 | static CmdGreenAdjust2 msGreenCmd2;
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| 187 | static CmdBlueAdjust1 msBlueCmd1;
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| 188 | static CmdBlueAdjust2 msBlueCmd2;
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| 189 | static CmdAlphaAdjust1 msAlphaCmd1;
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| 190 | static CmdAlphaAdjust2 msAlphaCmd2;
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| 191 | static CmdStateChange msStateCmd;
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| 192 |
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| 193 | protected:
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| 194 | float mRedAdj1, mRedAdj2;
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| 195 | float mGreenAdj1, mGreenAdj2;
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| 196 | float mBlueAdj1, mBlueAdj2;
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| 197 | float mAlphaAdj1, mAlphaAdj2;
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| 198 | Real StateChangeVal;
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| 199 |
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| 200 | /** Internal method for adjusting while clamping to [0,1] */
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| 201 | inline void applyAdjustWithClamp(float* pComponent, float adjust)
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| 202 | {
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| 203 | *pComponent += adjust;
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| 204 | // Limit to 0
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| 205 | if (*pComponent < 0.0)
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| 206 | {
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| 207 | *pComponent = 0.0f;
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| 208 | }
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| 209 | // Limit to 1
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| 210 | else if (*pComponent > 1.0)
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| 211 | {
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| 212 | *pComponent = 1.0f;
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| 213 | }
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| 214 | }
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| 215 |
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| 216 | };
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| 217 |
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| 218 |
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| 219 | }
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| 220 |
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| 221 |
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| 222 | #endif
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| 223 |
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