#include "display.h"
#include "graphics.h"
#include <stdio.h>
#define GETEM	if (notgotem) getem()
static int notgotem = 1 ;
static int wind_top ;
static int wind_bot ;
static int wind_rite ;
static int wind_left ;
static int getem(void);

int 
get_wind_bot (void) 
{
    GETEM ;
    return(wind_bot) ;
}

int 
get_wind_top (void) 
{
    GETEM ;
    return(wind_top) ;
}

int 
get_wind_rite (void) 
{
    GETEM ;
    return(wind_rite) ;
}

int 
get_wind_left (void) 
{
    GETEM ;
    return(wind_left) ;
}

int 
get_map_bot (void) 
{
    GETEM ;
    return(wind_bot) ;
}

int 
get_map_top (void) 
{
    register float tmp1, tmp2, tmp3 ;
    GETEM ;
    if (notgotem) { getem() ; notgotem = 0; }
    tmp1 = (float)wind_bot ;
    tmp2 = (float)wind_top ;
    tmp3 = tmp1 + WINDOW_PROP_SCREEN_Y * (tmp2 - tmp1) ;
    return ((int)tmp3) ;
}

int 
get_map_left (void)
{
    register float tmp1, tmp2, tmp3 ;
    GETEM ;
    tmp1 = (float)wind_left ;
    tmp2 = (float)wind_rite ;
    tmp3 = tmp2 - WINDOW_PROP_SCREEN_X * (tmp2 - tmp1) ;
    return ((int)tmp3) ;
}

int 
get_map_rite (void) 
{
    GETEM ;
    return(wind_rite) ;
}

int get_wind_y_pos(float position )
{
    register float tmp1, tmp2, tmp3 ;
    GETEM ;
    tmp1 = (float)wind_top ;
    tmp2 = (float)wind_bot ;
    tmp3 = tmp1 + position * (tmp2 - tmp1) ;
    return ((int)tmp3) ;
}

int get_wind_x_pos(float position )
{
    register float tmp1, tmp2, tmp3 ;
    GETEM ;
    tmp1 = (float)wind_left ;
    tmp2 = (float)wind_rite ;
    tmp3 = tmp1 + position * (tmp2 - tmp1) ;
    return ((int)tmp3) ;
}

static int 
getem (void)
{
    D_get_screen_window( &wind_top, &wind_bot, &wind_left, &wind_rite) ;
    notgotem = 0 ;

    return 0;
}
