source: GTP/trunk/Lib/Vis/OnlineCullingCHC/ObjReader/include/ObjReader.h @ 2109

#ifndef __mIVReader_H__
#define __mIVReader_H__


#include "ivnode.h"
#include "ivmeshdata.h"
#include "ivmanualmeshloader.h"
#include "ogre.h"

#define COMMENTCHAR '#'
#define BLOCKSIZE 150
#define BUFFERSIZE 256


static const int validIVHeaderCnt = 2;

static const char *validIVHeader[2] = {
    { "#Inventor V2.1 ascii\n" },
        { "#VRML V1.0 ascii\n" },
};


enum IVTokenType
{
        IV_TOKEN_INVALID = -1,
        IV_TOKEN_STRING = 0,
        IV_TOKEN_INT = 1,
        IV_TOKEN_REAL = 2,
        IV_TOKEN_BRACEOPEN = 3,                         // {
        IV_TOKEN_BRACECLOSE = 4,                        // }
        IV_TOKEN_BRACKETOPEN = 5,                       // [
        IV_TOKEN_BRACKETCLOSE = 6,                      // ]
        IV_TOKEN_PARENTHESISOPEN = 7,           // (
        IV_TOKEN_PARENTHESISCLOSE = 8,          // )
        IV_TOKEN_DEF = 9,                                       // DEF
        IV_TOKEN_USE = 10,                                      // USE
};

class __declspec(dllexport) IVMeshListNode
{
        public:
                IVMeshListNode(std::string name, IVManualMeshLoader *loader);
                ~IVMeshListNode();

                void attachNewNode(std::string name, IVManualMeshLoader *loader);

                IVManualMeshLoader *getManualMeshLoader(std::string name);

                IVMeshListNode *next;

        private:
                std::string name;
                IVManualMeshLoader *loader;
};

class __declspec(dllexport) IVDefListNode
{
        public:
                IVDefListNode(std::string name, IVNode *node);
                ~IVDefListNode();

                void attachNewNode(std::string name, IVNode *node);

                IVNode *getDef(std::string name);

                IVDefListNode *next;

        private:
                std::string name;
                IVNode *node;

};

class __declspec(dllexport) IVReader
{
        public:
                IVReader();
                ~IVReader();

                void setLog(Ogre::Log *IVLog = NULL);

                bool loadFile(const char* filename);
                void print();
//              IVNode *getNode(const char* name);


                void buildTree(Ogre::SceneManager *sceneMgr, Ogre::SceneNode *sceneNodeRoot);

                void collapse();

                static std::string intToStr(int num);
                static std::string realToStr(Ogre::Real num);
                
                static Ogre::Log *IVLog;

        private:
                bool checkHeader(const char *string);
                char buf[BUFFERSIZE];
                int bufOffset;
                bool getNextElement(char *token, IVTokenType *type);
                void classify(char *token, IVTokenType *type);

                bool isSpace(char c);
                bool isNewline(char c);
                bool eof;
                bool isDigit(char c);
                bool isHexDigit(char c);

                IVNode *root;
                FILE* infile;

                static IVMeshListNode *meshList;
                static void addMeshToList(std::string name, IVManualMeshLoader *loader);
                
                static int instanceCnt;

                int treeCnt, nodeCnt, matCnt;
                char *fileName;

                Ogre::Entity *createEntity(Ogre::SceneManager* sceneMgr, std::string name, IVMeshData *mData, Ogre::Vector3 *translation = NULL);

                void buildTree(Ogre::SceneManager *sceneMgr, Ogre::SceneNode *sceneNodeRoot, IVNode *mIVReaderoot, IVMeshData *mData = NULL, Ogre::Material *material = NULL);

                IVDefListNode *defList;
                void addDefToList(std::string name, IVNode *node);


};


#endif