#include "mouse.h"

MouseStatType MouseStat;

char *MouVersion = __FILE__" "__TIME__" "__DATE__;

#ifdef __GNUC__
#include <allegro.h>
#endif

int _m_MFAR MouseInstalled(void)
{
#ifdef ALLEGRO_VERSION
    return install_mouse()>0;
#else
    __asm xor ax, ax
    __asm int 0x33
    __asm mov word ptr MouseStat.Installed, ax
    __asm mov ax, 1
    __asm mov word ptr MouseStat.XScale, ax
    __asm mov word ptr MouseStat.YScale, ax
    return MouseStat.Installed;
#endif
}

void _m_MFAR GetMouseStat(void)
{
#ifdef ALLEGRO_VERSION
    MouseStat.x = mouse_x;
    MouseStat.y = mouse_y;
    *(int *)&MouseStat.Buttons = mouse_b;
#else
    __asm mov ax, 3
    __asm int 0x33
    __asm mov word ptr MouseStat.x, cx
    __asm mov word ptr MouseStat.y, dx
    __asm mov word ptr MouseStat.Buttons, bx

    MouseStat.x /= MouseStat.XScale;
    MouseStat.y /= MouseStat.YScale;
#endif
}

void _m_MFAR MouseSens(int x, int y)
{
#ifdef ALLEGRO_VERSION
    set_mouse_speed(x, y);
#else
    __asm mov ax, 0x1A
    __asm mov bx, x
    __asm mov cx, y
    __asm xor dx, dx
    __asm int 0x33
#endif
}

void _m_MFAR MouseWindow(int x1, int y1, int x2, int y2)
{
#ifdef ALLEGRO_VERSION
    set_mouse_range(x1,y1, x2,y2);
#else
    __asm {mov ax, 7; mov cx, x1; mov dx, x2; int 0x33}
    __asm {mov ax, 8; mov cx, y1; mov dx, y2; int 0x33}
#endif
}

void _m_MFAR PositionMouse(int x, int y)
{
#ifdef ALLEGRO_VERSION
    position_mouse(x, y);
#else
    x *= MouseStat.XScale;
    y *= MouseStat.XScale;
    __asm mov ax, 4
    __asm mov cx, x
    __asm mov dx, y
    __asm int 0x33
#endif
}

void _m_MFAR HideMouse(void)
{
#ifdef ALLEGRO_VERSION
    // UNUSED
    // FIXME
#else
    __asm mov ax, 2
    __asm int 0x33
#endif
}

void _m_MFAR ShowMouse(void)
{
#ifdef ALLEGRO_VERSION
    // UNUSED
    // FIXME
#else
    __asm mov ax, 1
    __asm int 0x33
#endif
}