/*
    Amiga port by Oliver Gantert

    27.04.2000 - fixed some compiler warnings
*/
/*

ORBIT, a freeware space combat simulator
Copyright (C) 1999  Steve Belczyk <steve1@genesis.nred.ma.us>

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "orbit.h"

/*
 *  Handle the mouse
 */

int oldx, oldy;

static void Mouse (int x, int y)
/*
 *  Mouse motion callback
 */
{
  /* Don't bother if position hasn't changed */
  if ( (x == oldx) && (y == oldy) ) return;

  mouse.x = x;
  mouse.y = y;
}

static void MouseActive (int x, int y)
/*
 *  Mouse motion callback
 */
{
  PlayerFires();

  /* Don't bother if position hasn't changed */
  if ( (x == oldx) && (y == oldy) ) return;

  mouse.x = x;
  mouse.y = y;
}

void InitMouse()
/*
 *  Initialize the mouse
 */
{
  glutPassiveMotionFunc (Mouse);
  glutMotionFunc (MouseActive);

  if (mouse_control)
  {
    glutSetCursor (GLUT_CURSOR_NONE);
    oldx = ScreenWidth / 2;
    oldy = ScreenHeight/ 2;
    glutWarpPointer (oldx, oldy); 
    mouse.x = oldx; 
    mouse.y = oldy;
  }
}

void DoMouse()
/*
 *  Check for mouse movement
 */
{
  /* Not if we're dead */ 
  if ( (state == STATE_DEAD1) || (state == STATE_DEAD2) ) return; 

  if (mouse.x > oldx) mouse.right = mouse.x - oldx;
  if (mouse.x < oldx) mouse.left  = oldx - mouse.x;
  if (mouse.y > oldy) mouse.up    = mouse.y - oldy;
  if (mouse.y < oldy) mouse.down  = oldy - mouse.y;

  #ifndef AMIGA
  if (mouse.flipx)
  {
    if (mouse.left ) player.move_right = 0.1 * (double) mouse.left;
    if (mouse.right) player.move_left  = 0.1 * (double) mouse.right;
  }
  else
  {
    if (mouse.left ) player.move_left  = 0.1 * (double) mouse.left;
    if (mouse.right) player.move_right = 0.1 * (double) mouse.right;
  }

  if (mouse.flipy)
  {
    if (mouse.up   ) player.move_down  = 0.1 * (double) mouse.up;
    if (mouse.down ) player.move_up    = 0.1 * (double) mouse.down;
  }
  else
  {
    if (mouse.up   ) player.move_up    = 0.1 * (double) mouse.up;
    if (mouse.down ) player.move_down  = 0.1 * (double) mouse.down;
  }
  #else
  if (mouse.flipx)
  {
    if (mouse.left ) player.move_right = 0.01 * (double) mouse.left;
    if (mouse.right) player.move_left  = 0.01 * (double) mouse.right;
  }
  else
  {
    if (mouse.left ) player.move_left  = 0.01 * (double) mouse.left;
    if (mouse.right) player.move_right = 0.01 * (double) mouse.right;
  }

  if (mouse.flipy)
  {
    if (mouse.up   ) player.move_down  = 0.01 * (double) mouse.up;
    if (mouse.down ) player.move_up    = 0.01 * (double) mouse.down;
  }
  else
  {
    if (mouse.up   ) player.move_up    = 0.01 * (double) mouse.up;
    if (mouse.down ) player.move_down  = 0.01 * (double) mouse.down;
  }
  #endif /* AMIGA */

  mouse.left  = 0;
  mouse.right = 0;
  mouse.up    = 0;
  mouse.down  = 0;

  oldx = ScreenWidth / 2;
  oldy = ScreenHeight/ 2;
  glutWarpPointer (oldx, oldy);

  mouse.x = oldx;
  mouse.y = oldy;
}