#include <stdlib.h>
#include <string.h>
#include "global.h"

void add_point(struct dxf_file *dxf, struct Map_info *Map)
{
    int code;
    char handle[DXF_BUF_SIZE]; /* entity handle, 16 hexadecimal digits */
    char layer[DXF_BUF_SIZE];  /* layer name */
    int layer_flag = 0;        /* indicates if a layer name has been found */
    int xflag = 0;             /* indicates if a x value has been found */
    int yflag = 0;             /* indicates if a y value has been found */

    handle[0] = 0;
    strcpy(layer, UNIDENTIFIED_LAYER);

    zpnts[0] = 0.0;
    /* read in lines and process information until a 0 is read in */
    while ((code = dxf_get_code(dxf)) != 0) {
        if (code == -2)
            return;

        switch (code) {
        case 5: /* entity handle */
            strcpy(handle, dxf_buf);
            break;
        case 8: /* layer name */
            if (!layer_flag && *dxf_buf) {
                if (flag_list) {
                    if (!is_layer_in_list(dxf_buf))
                        add_layer_to_list(dxf_buf, 1);
                    return;
                }
                /* skip if (opt_layers != NULL && (
                 * (flag_invert == 0 && is_layer_in_list == 0) ||
                 * (flag_invert == 1 && is_layer_in_list == 1)
                 * )
                 */
                if (opt_layers && flag_invert == is_layer_in_list(dxf_buf))
                    return;
                strcpy(layer, dxf_buf);
                layer_flag = 1;
            }
            break;
        case 10: /* x coordinate */
            xpnts[0] = atof(dxf_buf);
            xflag = 1;
            break;
        case 20: /* y coordinate */
            ypnts[0] = atof(dxf_buf);
            yflag = 1;
            break;
        case 30: /* z coordinate */
            zpnts[0] = atof(dxf_buf);
            break;

        case 50: /* angle of x axis for the UCS in effect */
            break;
        }
    }

    if (xflag && yflag) {
        /* xpnts[1] = xpnts[0];
         * ypnts[1] = ypnts[0];
         * zpnts[1] = zpnts[0];
         */
        write_vect(Map, layer, "POINT", handle, "", 1, GV_POINT);
    }

    return;
}
