#ifndef INCLUDED_SPAN
#define INCLUDED_SPAN

#ifndef INCLUDED_TAPESTRY
#  include "Tapestry.h"
#endif

#define MAX_TILE_LIST 30

typedef struct tile {
    void *tile;
    int tix, tiy;
    int padding; // 16バイト倍数にする用
} TileInfo, *TileInfoPtr;

typedef struct tile_list {
    int size;
    struct tile_list *next;
    int pad[2];
    TileInfo tileinfo[MAX_TILE_LIST];

    void init(void) {
	size = 0;
	next = 0;
    }
} TileInfoList, *TileInfoListPtr; // 4*4+63*sizeof(Tile) = 1008+16

class Span {
public:
    long *tex_addr;
    long tex_width;
    long tex_height;
    int x;
    int y;
    int length_x;
    float start_z;
    float end_z;
    float tex_x1;
    float tex_x2;
    float tex_y1;
    float tex_y2;

    TileInfoListPtr tilelist;
    int pad[3];

    void init(void) {
	tilelist = 0;
    }
    
    void reinit(void) {
	TileInfoListPtr tlist = this->tilelist;
	TileInfoListPtr t;

	while (tlist) {
	    t = tlist->next;
	    free(tlist);
	    tlist = t;
	}

	tilelist = 0;
    }
};

typedef Span* SpanPtr;

#endif