#include <libxml/parser.h>

#ifndef INCLUDED_POLYGON
#define INCLUDED_POLYGON

#ifndef INCLUDED_VIEWER
#include "viewer.h"
#endif

#ifndef INCLUDED_SCENE_GRAPH_PACK
#include "scene_graph_pack.h"
#endif

#ifndef INCLUDED_POLYGON_PACK
#include "polygon_pack.h"
#endif

#ifndef INCLUDED_SPAN_PACK
#include "SpanPack.h"
#endif

class Polygon{
public:
    long long size;
    char *name;
    char *parent_name;

    //int texture_id;
    //int texture_px, texture_py; // texture の分割数
    
    float *data;        //"vertex" and "normal" and "texture"
    float xyz[4];          // position
    float angle[4];        // angle
    float c_xyz[4];        // center of rotation
    float matrix[16];
    float *anim;
    int frame;         // anime frame num
    //int *texture;         // pointer of this surface's texture
    static SDL_Surface* texture_image;      // pointer of this surface's texture
    //SDL_Surface *screen;
    //char image_name[20];     // texture image name
    Polygon *next;
    Polygon *parent;
    Polygon *brother;
    Viewer *viewer;
    //SceneGraphPack *sgp;

    Polygon();
    void tree_check();
    void print_member();
    void parameter_change(char *name, float x, float y, float z, float ax, float ay, float az);
    //void load_texture(char *image_name);
    void draw(float *stack);
    void draw(SceneGraphPack *sgp);
    void draw(PolygonPack *pp);
    void draw(SpanPack *sp);
    void delete_data();
    void tree_draw();
    void get_data(xmlNodePtr cur);
    void pickup_coordinate(char *cont);
    void pickup_normal(char *cont);
    void pickup_model(char *cont);
    void pickup_texture(char *cont);
    Uint32 get_rgb(int tx, int ty);
    //void sgp_update();
    //void sgp_draw();
    //void create_scene_graph_pack();
    void create_data(xmlNodePtr doc);
    void set_data(char *file_name);
    void add_next();
    void create_tree();

    /* added by kent. */
    Polygon(xmlNodePtr);
    Polygon *addChild(Polygon *);
    Polygon *children;
    Polygon *lastChild;
    Polygon *searchPolygon(char *);
    static Polygon *createFromXMLfile(char *);
};
#endif