source: downloads/ogre/Tools/XSIExport/include/OgreXSIHelper.h @ 20

/*
-----------------------------------------------------------------------------
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.
-----------------------------------------------------------------------------
*/
#ifndef __XSIHELPER_H__
#define __XSIHELPER_H__

#include <xsi_application.h>
#include <xsi_string.h>
#include <xsi_x3dobject.h>
#include <xsi_vertexcolor.h>
#include <xsi_math.h>
#include <xsi_ref.h>
#include <xsi_actionsource.h>
#include <xsi_animationsourceitem.h>
#include <xsi_progressbar.h>
#include <xsi_uitoolkit.h>
#include <xsi_shader.h>
#include <xsi_value.h>

#include <stdlib.h>
#include "OgrePrerequisites.h"
#include "OgreString.h"
#include "OgreColourValue.h"
#include "OgreLogManager.h"
#include "OgreStringVector.h"
#include "OgreSingleton.h"
#include "OgreVector3.h"
#include "OgreQuaternion.h"
#include "OgreHardwareVertexBuffer.h"

#define OGRE_XSI_NUM_MESH_STEPS 200

/// Useful function to convert XSI CValue to an Ogre String
/*
inline Ogre::String XSItoOgre(const XSI::CValue& xsival)
{

        switch(xsival.m_t)
        {
        case XSI::CValue::siString:
                return XSItoOgre(XSI::CString(xsival));
        case XSI::CValue::siVector3:
                return XSItoOgre(XSI::MATH::CVector3(xsival));
        default:
                return XSItoOgre(XSI::CString(xsival.GetAsText()));
        };

}
*/

/// Useful function to convert an XSI CString to an Ogre String
inline Ogre::String XSItoOgre(const XSI::CString& xsistr)
{
    // XSI CString is wide character

    if (xsistr.IsEmpty())
    {
        return Ogre::StringUtil::BLANK;
    }

    // first find out the size required
    size_t c = ::wcstombs(0, xsistr.GetWideString(), 2048);
    // temp character string (add one for terminator)
    char* tmp = new char[c+1];
    // do the real conversion
    ::wcstombs(tmp, xsistr.GetWideString(), c);
        tmp[c] = '\0';
    Ogre::String ret(tmp);
    delete [] tmp;

    return ret;
}
/// Useful function to convert an Ogre String to an XSI CString
inline XSI::CString OgretoXSI(const Ogre::String& str)
{
    // XSI CString is wide character

    if (str.empty())
    {
        return XSI::CString();
    }

    // first find out the size required
    size_t c = ::mbstowcs(0, str.c_str(), 2048);
    // temp character string (add one for terminator)
    wchar_t* tmp = new wchar_t[c+1];
    // do the real conversion
    ::mbstowcs(tmp, str.c_str(), c);
        tmp[c] = '\0';

    XSI::CString ret(tmp);
    delete [] tmp;

    return ret;
}

inline Ogre::Vector3 XSItoOgre(const XSI::MATH::CVector3& xsiVec)
{
    return Ogre::Vector3(xsiVec.GetX(), xsiVec.GetY(), xsiVec.GetZ());
}
inline Ogre::Quaternion XSItoOgre(const XSI::MATH::CQuaternion& xsiQuat)
{
        return Ogre::Quaternion(xsiQuat.GetW(), xsiQuat.GetX(), xsiQuat.GetY(), xsiQuat.GetZ());
}

inline Ogre::RGBA XSItoOgre(const XSI::CVertexColor& xsiColour)
{
        Ogre::ColourValue col(xsiColour.r / 255.0f, xsiColour.g / 255.0f, 
                xsiColour.b / 255.0f, xsiColour.a / 255.0f);
        return Ogre::VertexElement::convertColourValue(col, 
                Ogre::VertexElement::getBestColourVertexElementType());
}

inline void LogOgreAndXSI(const Ogre::String& msg)
{
        static XSI::Application app;
        Ogre::LogManager::getSingleton().logMessage(msg);
        app.LogMessage(OgretoXSI(msg));

}

inline void LogOgreAndXSI(const XSI::CString& msg)
{
        static XSI::Application app;
        Ogre::LogManager::getSingleton().logMessage(XSItoOgre(msg));
        app.LogMessage(msg);

}


namespace Ogre {

        class ProgressManager : public Singleton<ProgressManager>
        {
        protected:
                XSI::ProgressBar mProgressBar;
                size_t mNumberOfStages;
                size_t mProgress;

        public:
                ProgressManager(size_t numberOfStages);
                virtual ~ProgressManager();
                        
                void progress(void);

                static ProgressManager& getSingleton(void);
                static ProgressManager* getSingletonPtr(void);

        };

        enum XSITrackType
        {
                XTT_POS_X = 0,
                XTT_POS_Y = 1,
                XTT_POS_Z = 2,
                XTT_ROT_X = 3,
                XTT_ROT_Y = 4,
                XTT_ROT_Z = 5,
                XTT_SCL_X = 6,
                XTT_SCL_Y = 7,
                XTT_SCL_Z = 8,
                XTT_COUNT = 9
        };
        /** An entry for a Deformer - need original index because this will be boneID */
        class DeformerEntry
        {
        public:
                unsigned short boneID;
                XSI::X3DObject obj;
                String parentName;
                StringVector childNames;
                bool hasVertexAssignments;
                bool parentIsChainEndEffector;
                bool hasAnyTracks;
                Bone* pBone;
                bool ikSample;
                double ikSampleInterval;
                XSI::MATH::CTransformation initialXform;
                // lists of action source items (probably only one per param?)
                XSI::AnimationSourceItem xsiTrack[XTT_COUNT];

                DeformerEntry(unsigned short theboneID, XSI::X3DObject& theobj)
                        :boneID(theboneID), obj(theobj), hasVertexAssignments(false), 
                        parentIsChainEndEffector(false), hasAnyTracks(false), pBone(0)
                        
                {
                }

        };
        /// Map from deformer name to deformer entry
        typedef std::map<String,DeformerEntry*> DeformerMap;


        /** An entry for animation; allows the userto split the timeline into 
                multiple separate animations. 
        */
        struct AnimationEntry
        {
                String animationName;
                long startFrame; 
                long endFrame; 
                double ikSampleInterval; // skeletal only
        };
        /// List of animations
        typedef std::list<AnimationEntry> AnimationList;

        /** Record of an XSI GL shader material. */
        struct MaterialEntry
        {
                String name;
                XSI::Shader xsiShader;
        };
        /// Map from material name to material entry
        typedef std::map<String, MaterialEntry*> MaterialMap;

        /** Record of XSI details that are to become a pass */
        struct PassEntry
        {
                XSI::CRefArray shaders;
        };
        typedef std::deque<PassEntry*> PassQueue;

        /// Map from texture projection name to index
        typedef std::map<String, int> TextureProjectionMap;

        /** Platform-independent file copy (destination folder must exist)
                Maybe use Boost::filesystem if this gets out of hand
        */
        void copyFile(const String& src, const String& dest);

}
#endif