/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2009 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
#include "OgreColourFaderAffector2.h"
#include "OgreParticleSystem.h"
#include "OgreStringConverter.h"
#include "OgreParticle.h"


namespace Ogre {
    
    // init statics
	// Phase 1
    ColourFaderAffector2::CmdRedAdjust1 ColourFaderAffector2::msRedCmd1;
    ColourFaderAffector2::CmdGreenAdjust1 ColourFaderAffector2::msGreenCmd1;
    ColourFaderAffector2::CmdBlueAdjust1 ColourFaderAffector2::msBlueCmd1;
    ColourFaderAffector2::CmdAlphaAdjust1 ColourFaderAffector2::msAlphaCmd1;

	// Phase 2
	ColourFaderAffector2::CmdRedAdjust2 ColourFaderAffector2::msRedCmd2;
    ColourFaderAffector2::CmdGreenAdjust2 ColourFaderAffector2::msGreenCmd2;
    ColourFaderAffector2::CmdBlueAdjust2 ColourFaderAffector2::msBlueCmd2;
    ColourFaderAffector2::CmdAlphaAdjust2 ColourFaderAffector2::msAlphaCmd2;

	ColourFaderAffector2::CmdStateChange ColourFaderAffector2::msStateCmd;


    //-----------------------------------------------------------------------
    ColourFaderAffector2::ColourFaderAffector2(ParticleSystem* psys) : ParticleAffector(psys)
    {
        mRedAdj1 = mGreenAdj1 = mBlueAdj1 = mAlphaAdj1 = 0;
		mRedAdj2 = mGreenAdj2 = mBlueAdj2 = mAlphaAdj2 = 0;
        mType = "ColourFader2";
		StateChangeVal = 1;	// Switch when there is 1 second left on the TTL

        // Init parameters
        if (createParamDictionary("ColourFaderAffector2"))
        {
            ParamDictionary* dict = getParamDictionary();

			// Phase 1
            dict->addParameter(ParameterDef("red1", 
                "The amount by which to adjust the red component of particles per second.",
                PT_REAL), &msRedCmd1);
            dict->addParameter(ParameterDef("green1", 
                "The amount by which to adjust the green component of particles per second.",
                PT_REAL), &msGreenCmd1);
            dict->addParameter(ParameterDef("blue1", 
                "The amount by which to adjust the blue component of particles per second.",
                PT_REAL), &msBlueCmd1);
            dict->addParameter(ParameterDef("alpha1", 
                "The amount by which to adjust the alpha component of particles per second.",
                PT_REAL), &msAlphaCmd1);

			// Phase 2
            dict->addParameter(ParameterDef("red2", 
                "The amount by which to adjust the red component of particles per second.",
                PT_REAL), &msRedCmd2);
            dict->addParameter(ParameterDef("green2", 
                "The amount by which to adjust the green component of particles per second.",
                PT_REAL), &msGreenCmd2);
            dict->addParameter(ParameterDef("blue2", 
                "The amount by which to adjust the blue component of particles per second.",
                PT_REAL), &msBlueCmd2);
            dict->addParameter(ParameterDef("alpha2", 
                "The amount by which to adjust the alpha component of particles per second.",
                PT_REAL), &msAlphaCmd2);

			// State Change Value
            dict->addParameter(ParameterDef("state_change", 
                "When the particle has this much time to live left, it will switch to state 2.",
                PT_REAL), &msStateCmd);

        }
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::_affectParticles(ParticleSystem* pSystem, Real timeElapsed)
    {
        ParticleIterator pi = pSystem->_getIterator();
        Particle *p;
        float dr1, dg1, db1, da1;
		float dr2, dg2, db2, da2;

		// Scale adjustments by time
		dr1 = mRedAdj1   * timeElapsed;
		dg1 = mGreenAdj1 * timeElapsed;
		db1 = mBlueAdj1  * timeElapsed;
		da1 = mAlphaAdj1 * timeElapsed;

		// Scale adjustments by time
		dr2 = mRedAdj2   * timeElapsed;
		dg2 = mGreenAdj2 * timeElapsed;
		db2 = mBlueAdj2  * timeElapsed;
		da2 = mAlphaAdj2 * timeElapsed;

        while (!pi.end())
        {
			p = pi.getNext();

			if( p->timeToLive > StateChangeVal )
			{
				applyAdjustWithClamp(&p->colour.r, dr1);
				applyAdjustWithClamp(&p->colour.g, dg1);
				applyAdjustWithClamp(&p->colour.b, db1);
				applyAdjustWithClamp(&p->colour.a, da1);
			}
			else
			{
				applyAdjustWithClamp(&p->colour.r, dr2);
				applyAdjustWithClamp(&p->colour.g, dg2);
				applyAdjustWithClamp(&p->colour.b, db2);
				applyAdjustWithClamp(&p->colour.a, da2);
			}
        }

    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setAdjust1(float red, float green, float blue, float alpha)
    {
        mRedAdj1 = red;
        mGreenAdj1 = green;
        mBlueAdj1 = blue;
        mAlphaAdj1 = alpha;
    }
	//-----------------------------------------------------------------------
    void ColourFaderAffector2::setAdjust2(float red, float green, float blue, float alpha)
    {
        mRedAdj2 = red;
        mGreenAdj2 = green;
        mBlueAdj2 = blue;
        mAlphaAdj2 = alpha;
    }

    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setRedAdjust1(float red)
    {
        mRedAdj1 = red;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setRedAdjust2(float red)
    {
        mRedAdj2 = red;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getRedAdjust1(void) const
    {
        return mRedAdj1;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getRedAdjust2(void) const
    {
        return mRedAdj2;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setGreenAdjust1(float green)
    {
        mGreenAdj1 = green;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setGreenAdjust2(float green)
    {
        mGreenAdj2 = green;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getGreenAdjust1(void) const
    {
        return mGreenAdj1;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getGreenAdjust2(void) const
    {
        return mGreenAdj2;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setBlueAdjust1(float blue)
    {
        mBlueAdj1 = blue;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setBlueAdjust2(float blue)
    {
        mBlueAdj2 = blue;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getBlueAdjust1(void) const
    {
        return mBlueAdj1;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getBlueAdjust2(void) const
    {
        return mBlueAdj2;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setAlphaAdjust1(float alpha)
    {
        mAlphaAdj1 = alpha;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setAlphaAdjust2(float alpha)
    {
        mAlphaAdj2 = alpha;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getAlphaAdjust1(void) const
    {
        return mAlphaAdj1;
    }
    //-----------------------------------------------------------------------
    float ColourFaderAffector2::getAlphaAdjust2(void) const
    {
        return mAlphaAdj2;
    }
    //-----------------------------------------------------------------------
    void ColourFaderAffector2::setStateChange(Real NewValue)
    {
        StateChangeVal = NewValue;
    }
    //-----------------------------------------------------------------------
    Real ColourFaderAffector2::getStateChange(void) const
    {
        return StateChangeVal;
    }
    //-----------------------------------------------------------------------
    //-----------------------------------------------------------------------
    //-----------------------------------------------------------------------
    // Command objects
    //-----------------------------------------------------------------------
    //-----------------------------------------------------------------------
    String ColourFaderAffector2::CmdRedAdjust1::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getRedAdjust1() );
    }
    void ColourFaderAffector2::CmdRedAdjust1::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setRedAdjust1(
            StringConverter::parseReal(val));
    }
    String ColourFaderAffector2::CmdRedAdjust2::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getRedAdjust2() );
    }
    void ColourFaderAffector2::CmdRedAdjust2::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setRedAdjust2(
            StringConverter::parseReal(val));
    }
    //-----------------------------------------------------------------------
    String ColourFaderAffector2::CmdGreenAdjust1::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getGreenAdjust1() );
    }
    void ColourFaderAffector2::CmdGreenAdjust1::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setGreenAdjust1(
            StringConverter::parseReal(val));
    }
    String ColourFaderAffector2::CmdGreenAdjust2::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getGreenAdjust2() );
    }
    void ColourFaderAffector2::CmdGreenAdjust2::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setGreenAdjust2(
            StringConverter::parseReal(val));
    }
    //-----------------------------------------------------------------------
    String ColourFaderAffector2::CmdBlueAdjust1::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getBlueAdjust1() );
    }
    void ColourFaderAffector2::CmdBlueAdjust1::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setBlueAdjust1(
            StringConverter::parseReal(val));
    }
    String ColourFaderAffector2::CmdBlueAdjust2::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getBlueAdjust2() );
    }
    void ColourFaderAffector2::CmdBlueAdjust2::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setBlueAdjust2(
            StringConverter::parseReal(val));
    }
    //-----------------------------------------------------------------------
    String ColourFaderAffector2::CmdAlphaAdjust1::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getAlphaAdjust1() );
    }
    void ColourFaderAffector2::CmdAlphaAdjust1::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setAlphaAdjust1(
            StringConverter::parseReal(val));
    }
    String ColourFaderAffector2::CmdAlphaAdjust2::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getAlphaAdjust2() );
    }
    void ColourFaderAffector2::CmdAlphaAdjust2::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setAlphaAdjust2(
            StringConverter::parseReal(val));
    }
    //-----------------------------------------------------------------------
    String ColourFaderAffector2::CmdStateChange::doGet(const void* target) const
    {
        return StringConverter::toString(
            static_cast<const ColourFaderAffector2*>(target)->getStateChange() );
    }
    void ColourFaderAffector2::CmdStateChange::doSet(void* target, const String& val)
    {
        static_cast<ColourFaderAffector2*>(target)->setStateChange(
            StringConverter::parseReal(val));
    }
}



