source: downloads/OgreMain/src/OgreExternalTextureSource.cpp @ 3

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

Copyright (c) 2000-2006 Torus Knot Software Ltd
Also see acknowledgements in Readme.html

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.

You may alternatively use this source under the terms of a specific version of
the OGRE Unrestricted License provided you have obtained such a license from
Torus Knot Software Ltd.
-----------------------------------------------------------------------------
*/

/***************************************************************************
OgreExternalTextureSource.cpp  -  
        Implementation of texture controller class

-------------------
date                 : Jan 1 2004
email                : pjcast@yahoo.com
***************************************************************************/

#include "OgreStableHeaders.h"
#include "OgreExternalTextureSource.h"
#include "OgreStringConverter.h"
#include "OgreLogManager.h"
#include "OgreException.h"

namespace Ogre
{
        //String interface commands for setting some basic commands
        ExternalTextureSource::CmdInputFileName ExternalTextureSource::msCmdInputFile;
        ExternalTextureSource::CmdFPS                   ExternalTextureSource::msCmdFramesPerSecond;
        ExternalTextureSource::CmdPlayMode              ExternalTextureSource::msCmdPlayMode;
        ExternalTextureSource::CmdTecPassState  ExternalTextureSource::msCmdTecPassState;

        //---------------------------------------------------------------------------------------//

        ExternalTextureSource::ExternalTextureSource()
        {
                mInputFileName = "None";
                mDictionaryName = "NotAssigned";
                mUpdateEveryFrame = false;
                mFramesPerSecond = 24;
                mMode = TextureEffectPause;
        }

        //---------------------------------------------------------------------------------------//

        void ExternalTextureSource::addBaseParams()
        {
                if( mDictionaryName == "NotAssigned" )
            OGRE_EXCEPT(Exception::ERR_FILE_NOT_FOUND, 
                "Plugin " + mPlugInName + 
                                " needs to override default mDictionaryName", 
                "ExternalTextureSource::addBaseParams");

                //Create Dictionary Here
        if (createParamDictionary( mDictionaryName ))
                {
                ParamDictionary* dict = getParamDictionary();
                        
                        dict->addParameter(ParameterDef("filename", 
                            "A source for the texture effect (only certain plugins require this)"
                                , PT_STRING),
                                &ExternalTextureSource::msCmdInputFile);
                        dict->addParameter(ParameterDef("frames_per_second", 
                            "How fast should playback be (only certain plugins use this)"
                                , PT_INT),
                                &ExternalTextureSource::msCmdFramesPerSecond);
                        dict->addParameter(ParameterDef("play_mode", 
                            "How the playback starts(only certain plugins use this)"
                                , PT_STRING),
                                &ExternalTextureSource::msCmdPlayMode);
                        dict->addParameter(ParameterDef("set_T_P_S", 
                            "Set the technique, pass, and state level of this texture_unit (eg. 0 0 0 )"
                                , PT_STRING),
                                &ExternalTextureSource::msCmdTecPassState);
                }
        }

        //---------------------------------------------------------------------------------------//
        //*** String Interface Command Class Definitions *****************************************/
        String ExternalTextureSource::CmdInputFileName::doGet(const void* target) const
        {
                return static_cast<const ExternalTextureSource*>(target)->getInputName();
        }
        void ExternalTextureSource::CmdInputFileName::doSet(void* target, const String& val)
        {
                static_cast<ExternalTextureSource*>(target)->setInputName( val );
        }
        
        //------------------------------------------------------------------------------//
        String ExternalTextureSource::CmdFPS::doGet(const void* target) const
        {
                return StringConverter::toString(
                        static_cast<const ExternalTextureSource*>(target)->getFPS() );
        }
        void ExternalTextureSource::CmdFPS::doSet(void* target, const String& val)
        {
                static_cast<ExternalTextureSource*>(target)->setFPS(StringConverter::parseInt(val));
        }
        //------------------------------------------------------------------------------//
        String ExternalTextureSource::CmdPlayMode::doGet(const void* target) const
        {
                eTexturePlayMode eMode = static_cast<const ExternalTextureSource*>(target)->getPlayMode();
                String val;

                switch(eMode)
                {
                case TextureEffectPlay_ASAP:
                        val = "play";
                        break;
                case TextureEffectPlay_Looping: 
                        val = "loop";
                        break;
                case TextureEffectPause:
                        val = "pause";
                        break;
                default: 
                        val = "error"; 
                        break;
                }

                return val;
        }
        void ExternalTextureSource::CmdPlayMode::doSet(void* target, const String& val)
        {
                eTexturePlayMode eMode = TextureEffectPause;

                if( val == "play" )
                        eMode = TextureEffectPlay_ASAP;
                if( val == "loop" )
                        eMode = TextureEffectPlay_Looping;
                if( val == "pause" )
                        eMode = TextureEffectPause;

                static_cast<ExternalTextureSource*>(target)->setPlayMode( eMode );
        }

        //------------------------------------------------------------------------------//
        String ExternalTextureSource::CmdTecPassState::doGet(const void* target) const
        {
                int t = 0, p = 0, s = 0;

                static_cast<const ExternalTextureSource*>(target)->getTextureTecPassStateLevel(t, p, s);

                String ret = StringConverter::toString( t ) + " " 
                                        + StringConverter::toString( p ) + " " 
                                        + StringConverter::toString( s );
                
                return ret;                     
        }

        void ExternalTextureSource::CmdTecPassState::doSet(void* target, const String& val)
        {
                int t = 0, p = 0, s = 0;

                StringVector vecparams = StringUtil::split(val, " \t");

                if( vecparams.size() == 3 )
                {
                        t = StringConverter::parseInt( vecparams[0] );
                        p = StringConverter::parseInt( vecparams[1] );
                        s = StringConverter::parseInt( vecparams[2] );
                }
                else
                {
                        LogManager::getSingleton().logMessage("Texture controller had problems extracting technique, pass, and state level... Default to 0, 0, 0");
                        t = p = s = 0;
                }

                static_cast<ExternalTextureSource*>(target)->setTextureTecPassStateLevel(t,p,s);
        }
}