// Emacs style mode select   -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: g_input.c 828 2011-03-24 21:35:28Z smite-meister $
//
// Copyright (C) 1998-2010 by DooM Legacy Team.
//
// 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.
//
//
// $Log: g_input.c,v $
// Revision 1.12  2002/08/24 22:42:02  hurdler
// Apply Robert Hogberg patches
//
// Revision 1.11  2002/07/01 19:59:58  metzgermeister
// *** empty log message ***
//
// Revision 1.10  2001/03/30 17:12:49  bpereira
// no message
//
// Revision 1.9  2001/02/24 13:35:19  bpereira
// no message
//
// Revision 1.8  2001/02/10 12:27:13  bpereira
// no message
//
// Revision 1.7  2001/01/25 22:15:42  bpereira
// added heretic support
//
// Revision 1.6  2000/11/26 00:46:31  hurdler
// small bug fixes
//
// Revision 1.5  2000/10/04 17:03:57  hurdler
// This is the formule I propose for mouse sensitivity
//
// Revision 1.4  2000/04/16 18:38:07  bpereira
// no message
//
// Revision 1.3  2000/04/04 00:32:45  stroggonmeth
// Initial Boom compatability plus few misc changes all around.
//
// Revision 1.2  2000/02/27 00:42:10  hurdler
// fix CR+LF problem
//
// Revision 1.1.1.1  2000/02/22 20:32:32  hurdler
// Initial import into CVS (v1.29 pr3)
//
//
// DESCRIPTION:
//      handle mouse/keyboard/joystick inputs,
//      maps inputs to game controls (forward,use,open...)
//
//-----------------------------------------------------------------------------


#include "doomdef.h"
#include "doomstat.h"
#include "g_input.h"
#include "keys.h"
#include "hu_stuff.h"   //need HUFONT start & end
#include "keys.h"
#include "d_net.h"
#include "console.h"
#include "i_joy.h"

int num_joybindings = 0;
joybinding_t joybindings[MAX_JOYBINDINGS];


CV_PossibleValue_t mousesens_cons_t[]={{1,"MIN"},{MAXMOUSESENSITIVITY,"MAXCURSOR"},{MAXINT,"MAX"},{0,NULL}};
CV_PossibleValue_t onecontrolperkey_cons_t[]={{1,"One"},{2,"Several"},{0,NULL}};

// mouse values are used once
consvar_t  cv_mouse_sens_x    = {"mousesensx","10",CV_SAVE,mousesens_cons_t};
consvar_t  cv_mouse_sens_y    = {"mousesensy","10",CV_SAVE,mousesens_cons_t};
consvar_t  cv_mouse2_sens_x   = {"mouse2sensx","10",CV_SAVE,mousesens_cons_t};
consvar_t  cv_mouse2_sens_y   = {"mouse2sensy","10",CV_SAVE,mousesens_cons_t};
consvar_t  cv_allowjump    = {"allowjump","1",CV_NETVAR,CV_YesNo};
consvar_t  cv_allowautoaim = {"allowautoaim","1",CV_NETVAR,CV_YesNo};
consvar_t  cv_controlperkey = {"controlperkey","1",CV_SAVE,onecontrolperkey_cons_t};
//SoM: 3/28/2000: Working rocket jumping.
consvar_t  cv_allowrocketjump = {"allowrocketjump","0",CV_NETVAR,CV_YesNo};


int             mousex;
int             mousey;
int             mouse2x;
int             mouse2y;

boolean   gamekeydown[NUMINPUTS]; // Current state of the keys: true if the key is currently down.
boolean gamekeytapped[NUMINPUTS]; // True if the key has been pressed since the last G_BuildTiccmd. Useful for impulse-style controls.


// two key codes (or virtual key) per game control
int     gamecontrol[num_gamecontrols][2];
int     gamecontrol2[num_gamecontrols][2];        // secondary splitscreen player


typedef struct {
    int time;
    boolean state;
    int clicks;
} dclick_t;
static  dclick_t  mousedclicks[MOUSEBUTTONS];
//static  dclick_t  joydclicks[JOYBUTTONS];

//
//  General double-click detection routine for any kind of input.
//
static boolean G_CheckDoubleClick(boolean state, dclick_t *dt)
{
    if (state != dt->state && dt->time > 1 )
    {
        dt->state = state;
        if (state)
            dt->clicks++;
        if (dt->clicks == 2)
        {
            dt->clicks = 0;
            return true;
        }
        else
            dt->time = 0;
    }
    else
    {
        dt->time ++;
        if (dt->time > 20)
        {
            dt->clicks = 0;
            dt->state = false;
        }
    }
    return false;
}



//
//  Remaps the inputs to game controls.
//
//  A game control can be triggered by one or more keys/buttons.
//
//  Each key/mousebutton/joybutton triggers ONLY ONE game control.
//
//
void  G_MapEventsToControls (event_t *ev)
{
  int i;

    switch (ev->type)
      {
      case ev_keydown:
        if (ev->data1 < NUMINPUTS)
	  {
	    gamekeydown[ev->data1] = true;
	    gamekeytapped[ev->data1] = true; // reset in G_BuildTiccmd
	  }
        break;

      case ev_keyup:
        if (ev->data1 < NUMINPUTS)
	  gamekeydown[ev->data1] = false;
        break;

      case ev_mouse:           // buttons are virtual keys
        mousex = ev->data2*((cv_mouse_sens_x.value*cv_mouse_sens_x.value)/110.0f + 0.1);
        mousey = ev->data3*((cv_mouse_sens_y.value*cv_mouse_sens_y.value)/110.0f + 0.1);
        break;

      case ev_mouse2:           // buttons are virtual keys
        mouse2x = ev->data2*((cv_mouse2_sens_x.value*cv_mouse2_sens_x.value)/110.0f + 0.1);
        mouse2y = ev->data3*((cv_mouse2_sens_y.value*cv_mouse2_sens_y.value)/110.0f + 0.1);
        break;

      default:
        break;
      }

    // ALWAYS check for mouse & joystick double-clicks
    // even if no mouse event
    for (i=0;i<MOUSEBUTTONS;i++)
      gamekeydown[KEY_DBLMOUSE1+i] = G_CheckDoubleClick(gamekeydown[KEY_MOUSE1+i], &mousedclicks[i]);

    /* TODO ignore joystick doubleclicks for now
    for (i=0;i<JOYBUTTONS;i++)
      gamekeydown[KEY_DBLJOY1+i] = G_CheckDoubleClick(gamekeydown[KEY_JOY1+i], &joydclicks[i]);
    */
}




typedef struct {
    int  keynum;
    char name[16];
} keyname_t;

static keyname_t keynames[] =
{
  {KEY_NULL,      "null"},

  {KEY_BACKSPACE, "backspace"},
  {KEY_TAB,       "tab"},
  {KEY_ENTER,     "enter"},
  {KEY_PAUSE,     "pause"},  // irrelevant, since this key cannot be remapped...
  {KEY_ESCAPE,    "escape"}, // likewise
  {KEY_SPACE,     "space"},

  {KEY_CONSOLE,    "console"},

  {KEY_NUMLOCK,    "num lock"},
  {KEY_CAPSLOCK,   "caps lock"},
  {KEY_SCROLLLOCK, "scroll lock"},
  {KEY_RSHIFT,     "right shift"},
  {KEY_LSHIFT,     "left shift"},
  {KEY_RCTRL,      "right ctrl"},
  {KEY_LCTRL,      "left ctrl"},
  {KEY_RALT,       "right alt"},
  {KEY_LALT,       "left alt"},
  {KEY_LWIN,       "left win"},
  {KEY_RWIN,       "right win"},
  {KEY_MODE,       "altgr"},
  {KEY_MENU,       "menu"},

  // keypad keys
  {KEY_KEYPAD0, "keypad 0"},
  {KEY_KEYPAD1, "keypad 1"},
  {KEY_KEYPAD2, "keypad 2"},
  {KEY_KEYPAD3, "keypad 3"},
  {KEY_KEYPAD4, "keypad 4"},
  {KEY_KEYPAD5, "keypad 5"},
  {KEY_KEYPAD6, "keypad 6"},
  {KEY_KEYPAD7, "keypad 7"},
  {KEY_KEYPAD8, "keypad 8"},
  {KEY_KEYPAD9, "keypad 9"},
  {KEY_KPADPERIOD,"keypad ."},
  {KEY_KPADSLASH, "keypad /"},
  {KEY_KPADMULT,  "keypad *"},
  {KEY_MINUSPAD,  "keypad -"},
  {KEY_PLUSPAD,   "keypad +"},

  // extended keys (not keypad)
  {KEY_UPARROW,   "up arrow"},
  {KEY_DOWNARROW, "down arrow"},
  {KEY_RIGHTARROW,"right arrow"},
  {KEY_LEFTARROW, "left arrow"},
  {KEY_INS,       "ins"},
  {KEY_DELETE,    "del"},
  {KEY_HOME,      "home"},
  {KEY_END,       "end"},
  {KEY_PGUP,      "pgup"},
  {KEY_PGDN,      "pgdown"},

  // other keys
  {KEY_F1, "F1"},
  {KEY_F2, "F2"},
  {KEY_F3, "F3"},
  {KEY_F4, "F4"},
  {KEY_F5, "F5"},
  {KEY_F6, "F6"},
  {KEY_F7, "F7"},
  {KEY_F8, "F8"},
  {KEY_F9, "F9"},
  {KEY_F10,"F10"},
  {KEY_F11,"F11"},
  {KEY_F12,"F12"},

  // virtual keys for mouse buttons and joystick buttons
  {KEY_MOUSE1,  "mouse 1"},
  {KEY_MOUSE1+1,"mouse 2"},
  {KEY_MOUSE1+2,"mouse 3"},
  {KEY_MOUSEWHEELUP, "mwheel up"},
  {KEY_MOUSEWHEELDOWN,"mwheel down"},
  {KEY_MOUSE1+5,"mouse 6"},
  {KEY_MOUSE1+6,"mouse 7"},
  {KEY_MOUSE1+7,"mouse 8"},
  {KEY_2MOUSE1,  "2nd mouse 2"},    //BP: sorry my mouse handler swap button 1 and 2
  {KEY_2MOUSE1+1,"2nd mouse 1"},
  {KEY_2MOUSE1+2,"2nd mouse 3"},
  {KEY_2MOUSEWHEELUP,"2nd mwheel up"},
  {KEY_2MOUSEWHEELDOWN,"2nd mwheel down"},
  {KEY_2MOUSE1+5,"2nd mouse 6"},
  {KEY_2MOUSE1+6,"2nd mouse 7"},
  {KEY_2MOUSE1+7,"2nd mouse 8"},

  {KEY_DBLMOUSE1,   "mouse 1 d"},
  {KEY_DBLMOUSE1+1, "mouse 2 d"},
  {KEY_DBLMOUSE1+2, "mouse 3 d"},
  {KEY_DBLMOUSE1+3, "mouse 4 d"},
  {KEY_DBLMOUSE1+4, "mouse 5 d"},
  {KEY_DBLMOUSE1+5, "mouse 6 d"},
  {KEY_DBLMOUSE1+6, "mouse 7 d"},
  {KEY_DBLMOUSE1+7, "mouse 8 d"},
  {KEY_DBL2MOUSE1,  "2nd mouse 2 d"},
  {KEY_DBL2MOUSE1+1,"2nd mouse 1 d"},
  {KEY_DBL2MOUSE1+2,"2nd mouse 3 d"},
  {KEY_DBL2MOUSE1+3,"2nd mouse 4 d"},
  {KEY_DBL2MOUSE1+4,"2nd mouse 5 d"},
  {KEY_DBL2MOUSE1+5,"2nd mouse 6 d"},
  {KEY_DBL2MOUSE1+6,"2nd mouse 7 d"},
  {KEY_DBL2MOUSE1+7,"2nd mouse 8 d"},

  {KEY_JOY0BUT0, "Joy 0 b 0"},
  {KEY_JOY0BUT1, "Joy 0 b 1"},
  {KEY_JOY0BUT2, "Joy 0 b 2"},
  {KEY_JOY0BUT3, "Joy 0 b 3"},
  {KEY_JOY0BUT4, "Joy 0 b 4"},
  {KEY_JOY0BUT5, "Joy 0 b 5"},
  {KEY_JOY0BUT6, "Joy 0 b 6"},
  {KEY_JOY0BUT7, "Joy 0 b 7"},
  {KEY_JOY0BUT8, "Joy 0 b 8"},
  {KEY_JOY0BUT9, "Joy 0 b 9"},
  {KEY_JOY0BUT10, "Joy 0 b 10"},
  {KEY_JOY0BUT11, "Joy 0 b 11"},
  {KEY_JOY0BUT12, "Joy 0 b 12"},
  {KEY_JOY0BUT13, "Joy 0 b 13"},
  {KEY_JOY0BUT14, "Joy 0 b 14"},
  {KEY_JOY0BUT15, "Joy 0 b 15"},

  {KEY_JOY1BUT0, "Joy 1 b 0"},
  {KEY_JOY1BUT1, "Joy 1 b 1"},
  {KEY_JOY1BUT2, "Joy 1 b 2"},
  {KEY_JOY1BUT3, "Joy 1 b 3"},
  {KEY_JOY1BUT4, "Joy 1 b 4"},
  {KEY_JOY1BUT5, "Joy 1 b 5"},
  {KEY_JOY1BUT6, "Joy 1 b 6"},
  {KEY_JOY1BUT7, "Joy 1 b 7"},
  {KEY_JOY1BUT8, "Joy 1 b 8"},
  {KEY_JOY1BUT9, "Joy 1 b 9"},
  {KEY_JOY1BUT10, "Joy 1 b 10"},
  {KEY_JOY1BUT11, "Joy 1 b 11"},
  {KEY_JOY1BUT12, "Joy 1 b 12"},
  {KEY_JOY1BUT13, "Joy 1 b 13"},
  {KEY_JOY1BUT14, "Joy 1 b 14"},
  {KEY_JOY1BUT15, "Joy 1 b 15"},

  {KEY_JOY2BUT0, "Joy 2 b 0"},
  {KEY_JOY2BUT1, "Joy 2 b 1"},
  {KEY_JOY2BUT2, "Joy 2 b 2"},
  {KEY_JOY2BUT3, "Joy 2 b 3"},
  {KEY_JOY2BUT4, "Joy 2 b 4"},
  {KEY_JOY2BUT5, "Joy 2 b 5"},
  {KEY_JOY2BUT6, "Joy 2 b 6"},
  {KEY_JOY2BUT7, "Joy 2 b 7"},
  {KEY_JOY2BUT8, "Joy 2 b 8"},
  {KEY_JOY2BUT9, "Joy 2 b 9"},
  {KEY_JOY2BUT10, "Joy 2 b 10"},
  {KEY_JOY2BUT11, "Joy 2 b 11"},
  {KEY_JOY2BUT12, "Joy 2 b 12"},
  {KEY_JOY2BUT13, "Joy 2 b 13"},
  {KEY_JOY2BUT14, "Joy 2 b 14"},
  {KEY_JOY2BUT15, "Joy 2 b 15"},

  {KEY_JOY3BUT0, "Joy 3 b 0"},
  {KEY_JOY3BUT1, "Joy 3 b 1"},
  {KEY_JOY3BUT2, "Joy 3 b 2"},
  {KEY_JOY3BUT3, "Joy 3 b 3"},
  {KEY_JOY3BUT4, "Joy 3 b 4"},
  {KEY_JOY3BUT5, "Joy 3 b 5"},
  {KEY_JOY3BUT6, "Joy 3 b 6"},
  {KEY_JOY3BUT7, "Joy 3 b 7"},
  {KEY_JOY3BUT8, "Joy 3 b 8"},
  {KEY_JOY3BUT9, "Joy 3 b 9"},
  {KEY_JOY3BUT10, "Joy 3 b 10"},
  {KEY_JOY3BUT11, "Joy 3 b 11"},
  {KEY_JOY3BUT12, "Joy 3 b 12"},
  {KEY_JOY3BUT13, "Joy 3 b 13"},
  {KEY_JOY3BUT14, "Joy 3 b 14"},
  {KEY_JOY3BUT15, "Joy 3 b 15"},
};

char *gamecontrolname[num_gamecontrols] =
{
    "nothing",        //a key/button mapped to gc_null has no effect
    "forward",
    "backward",
    "strafe",
    "straferight",
    "strafeleft",
    "speed",
    "turnleft",
    "turnright",
    "fire",
    "use",
    "lookup",
    "lookdown",
    "centerview",
    "mouseaiming",
    "weapon1",
    "weapon2",
    "weapon3",
    "weapon4",
    "weapon5",
    "weapon6",
    "weapon7",
    "weapon8",
    "talkkey",
    "scores",
    "jump",
    "console",
    "nextweapon",
    "prevweapon",
    "bestweapon",
    "inventorynext",
    "inventoryprev",
    "inventoryuse",
    "down"
};

#define NUMKEYNAMES (sizeof(keynames)/sizeof(keyname_t))

//
//  Detach any keys associated to the given game control
//  - pass the pointer to the gamecontrol table for the player being edited
void  G_ClearControlKeys (int (*setupcontrols)[2], int control)
{
    setupcontrols[control][0] = KEY_NULL;
    setupcontrols[control][1] = KEY_NULL;
}

//
//  Returns the name of a key (or virtual key for mouse and joy)
//  the input value being an keynum
//
char* G_KeynumToString (int keynum)
{
static char keynamestr[8];

    int    j;

    // return a string with the ascii char if displayable
    if (keynum>' ' && keynum<='z' && keynum!=KEY_CONSOLE)
    {
        keynamestr[0] = keynum;
        keynamestr[1] = '\0';
        return keynamestr;
    }

    // find a description for special keys
    for (j=0;j<NUMKEYNAMES;j++)
        if (keynames[j].keynum==keynum)
            return keynames[j].name;

    // create a name for Unknown key
    sprintf(keynamestr,"key%d",keynum);
    return keynamestr;
}


int G_KeyStringtoNum(char *keystr)
{
    int j;

//    strupr(keystr);

    if(keystr[1]==0 && keystr[0]>' ' && keystr[0]<='z')
        return keystr[0];

    for (j=0;j<NUMKEYNAMES;j++)
        if (stricmp(keynames[j].name,keystr)==0)
            return keynames[j].keynum;

    if(strlen(keystr)>3)
        return atoi(&keystr[3]);

    return 0;
}

void G_Controldefault(void)
{
    gamecontrol[gc_forward    ][0]=KEY_UPARROW;
    gamecontrol[gc_forward    ][1]=KEY_MOUSE1+2;
    gamecontrol[gc_backward   ][0]=KEY_DOWNARROW;
    gamecontrol[gc_strafe     ][0]=KEY_LALT;
    gamecontrol[gc_strafe     ][1]=KEY_MOUSE1+1;
    gamecontrol[gc_straferight][0]='.';
    gamecontrol[gc_strafeleft ][0]=',';
    gamecontrol[gc_speed      ][0]=KEY_LSHIFT;
    gamecontrol[gc_turnleft   ][0]=KEY_LEFTARROW;
    gamecontrol[gc_turnright  ][0]=KEY_RIGHTARROW;
    gamecontrol[gc_fire       ][0]=KEY_RCTRL;
    gamecontrol[gc_fire       ][1]=KEY_MOUSE1;
    gamecontrol[gc_use        ][0]=KEY_SPACE;
    gamecontrol[gc_lookup     ][0]=KEY_PGUP;
    gamecontrol[gc_lookdown   ][0]=KEY_PGDN;
    gamecontrol[gc_centerview ][0]=KEY_END;
    gamecontrol[gc_mouseaiming][0]='s';
    gamecontrol[gc_weapon1    ][0]='1';
    gamecontrol[gc_weapon2    ][0]='2';
    gamecontrol[gc_weapon3    ][0]='3';
    gamecontrol[gc_weapon4    ][0]='4';
    gamecontrol[gc_weapon5    ][0]='5';
    gamecontrol[gc_weapon6    ][0]='6';
    gamecontrol[gc_weapon7    ][0]='7';
    gamecontrol[gc_weapon8    ][0]='8';
    gamecontrol[gc_talkkey    ][0]='t';
    gamecontrol[gc_scores     ][0]='f';
    gamecontrol[gc_jump       ][0]='/';
    gamecontrol[gc_console    ][0]=KEY_CONSOLE;
    //gamecontrol[gc_nextweapon ][1]=KEY_JOY0BUT4;
    //gamecontrol[gc_prevweapon ][1]=KEY_JOY0BUT5;

    if( gamemode == heretic )
    {
        gamecontrol[gc_invnext    ][0] = ']';
        gamecontrol[gc_invprev    ][0] = '[';
        gamecontrol[gc_invuse     ][0] = KEY_ENTER;
        gamecontrol[gc_jump       ][0] = KEY_INS;
        gamecontrol[gc_flydown    ][0] = KEY_DELETE;
    }
    else
    {
        gamecontrol[gc_nextweapon ][0]=']';
        gamecontrol[gc_prevweapon ][0]='[';
    }
}

void G_SaveKeySetting(FILE *f)
{
    int i;

    for(i=1;i<num_gamecontrols;i++)
       {
           fprintf(f,"setcontrol \"%s\" \"%s\""
                    ,gamecontrolname[i]
                    ,G_KeynumToString(gamecontrol[i][0]));

           if(gamecontrol[i][1])
               fprintf(f," \"%s\"\n"
                        ,G_KeynumToString(gamecontrol[i][1]));
           else
               fprintf(f,"\n");
       }

    for(i=1;i<num_gamecontrols;i++)
       {
           fprintf(f,"setcontrol2 \"%s\" \"%s\""
                    ,gamecontrolname[i]
                    ,G_KeynumToString(gamecontrol2[i][0]));

           if(gamecontrol2[i][1])
               fprintf(f," \"%s\"\n"
                        ,G_KeynumToString(gamecontrol2[i][1]));
           else
               fprintf(f,"\n");
       }

    // Writes the joystick axis binding commands to the config file.
  for (i=0; i<num_joybindings; i++)
    {
      joybinding_t j = joybindings[i];
      fprintf(f, "bindjoyaxis %d %d %d %d %f\n",
	      j.joynum, j.axisnum, j.playnum, (int)(j.action), j.scale);
    }
}

void G_CheckDoubleUsage(int keynum)
{
    if( cv_controlperkey.value==1 )
    {
        int i;
        for(i=0;i<num_gamecontrols;i++)
        {
            if( gamecontrol[i][0]==keynum )
                gamecontrol[i][0]= KEY_NULL;
            if( gamecontrol[i][1]==keynum )
                gamecontrol[i][1]= KEY_NULL;
            if( gamecontrol2[i][0]==keynum )
                gamecontrol2[i][0]= KEY_NULL;
            if( gamecontrol2[i][1]==keynum )
                gamecontrol2[i][1]= KEY_NULL;
        }
    }
}

void setcontrol(int (*gc)[2],int na)
{
    int numctrl;
    char *namectrl;
    int keynum;

    namectrl=COM_Argv(1);
    for(numctrl=0;numctrl<num_gamecontrols
                  && stricmp(namectrl,gamecontrolname[numctrl])
                 ;numctrl++);
    if(numctrl==num_gamecontrols)
    {
        CONS_Printf("Control '%s' unknown\n",namectrl);
        return;
    }
    keynum=G_KeyStringtoNum(COM_Argv(2));
    G_CheckDoubleUsage(keynum);
    gc[numctrl][0]=keynum;

    if(na==4)
        gc[numctrl][1]=G_KeyStringtoNum(COM_Argv(3));
    else
        gc[numctrl][1]=0;
}

void Command_Setcontrol_f(void)
{
    int na;

    na= COM_Argc();

    if ( na!= 3 && na!=4)
    {
        CONS_Printf ("setcontrol <controlname> <keyname> [<2nd keyname>]\n");
        return;
    }

    setcontrol(gamecontrol,na);
}

void Command_Setcontrol2_f(void)
{
    int na;

    na= COM_Argc();

    if ( na!= 3 && na!=4)
    {
        CONS_Printf ("setcontrol2 <controlname> <keyname> [<2nd keyname>]\n");
        return;
    }

    setcontrol(gamecontrol2,na);
}



//! Magically converts a console command to a joystick axis binding. Also releases bindings.
void Command_BindJoyaxis_f()
{
  joybinding_t j;
  unsigned int i;

  int na = COM_Argc();

  if(na == 1)
  { // Print bindings.
    CONS_Printf("%d joysticks found.\n", num_joysticks);
    if(num_joybindings == 0) {
      CONS_Printf("No joystick axis bindings defined.\n");
      return;
    }
    CONS_Printf("Current axis bindings.\n");
    for(i=0; i<num_joybindings; i++) {
      j = joybindings[i];
      CONS_Printf("%d %d %d %d %f\n", j.joynum, j.axisnum,
		  j.playnum, (int)j.action, j.scale);
    }
    return;
  }

  if (na == 4 || na > 6)
  {
    CONS_Printf("bindjoyaxis [joynum] [axisnum] [playnum] [action] [scale]  to bind\n"
		"bindjoyaxis [joynum] [axisnum]  to unbind\n");
    return;
  }

  j.joynum  = atoi(COM_Argv(1));
  if(j.joynum < 0 || j.joynum >= num_joysticks) {
    CONS_Printf("Attempting to bind/release non-existent joystick %d.\n", j.joynum);
    return;
  }

  j.axisnum = (na >= 3) ? atoi(COM_Argv(2)) : -1;
  if(j.axisnum < -1 || j.axisnum >= I_JoystickNumAxes(j.joynum)) {
    CONS_Printf("Attempting to bind/release non-existent axis %d.\n", j.axisnum);
    return;
  }

  if (na == 3)
  { // release binding(s)
    /* Takes one or two parameters. The first one is the joystick number
       and the second is the axis number. If either is not specified, all
       values are assumed to match.
    */

    int num_keep_bindings = 0;
    joybinding_t keep_bindings[MAX_JOYBINDINGS];

    if(num_joybindings == 0) {
      CONS_Printf("No bindings to unset.\n");
      return;
    }

    unsigned int i;
    for(i=0; i<num_joybindings; i++) {
      joybinding_t temp = joybindings[i];
      if((j.joynum == temp.joynum) &&
	 (j.axisnum == -1 || j.axisnum == temp.axisnum))
	continue; // We have a binding to prune.

      keep_bindings[num_keep_bindings++] = temp; // keep it
    }

    // We have the new bindings.
    if (num_keep_bindings == num_joybindings) {
      CONS_Printf("No bindings matched the parameters.\n");
      return;
    }

    // replace the bindings
    num_joybindings = num_keep_bindings;
    for(i=0; i<num_keep_bindings; i++)
      joybindings[i] = keep_bindings[i];
  }
  else
  { // create a binding
    j.playnum = atoi(COM_Argv(3));
    j.action  = (joyactions_e)(atoi(COM_Argv(4)));
    if (na == 6)
      j.scale = atof(COM_Argv(5));
    else
      j.scale = 1.0f;

    if(j.action < 0 || j.action >= num_joyactions) {
      CONS_Printf("Attempting to bind non-existent action %d.\n", (int)(j.action));
      return;
    }

    // Overwrite existing binding, if any. Otherwise just append.
    for(i=0; i<num_joybindings; i++) {
      joybinding_t j2 = joybindings[i];
      if(j2.joynum == j.joynum && j2.axisnum == j.axisnum) {
	joybindings[i] = j;
	CONS_Printf("Joystick binding modified.\n");
	return;
      }
    }
    // new binding
    if (num_joybindings < MAX_JOYBINDINGS)
      {
	joybindings[num_joybindings++] = j;
	CONS_Printf("Joystick binding added.\n");
      }
    else
      CONS_Printf("Maximum number of joystick bindings reached.\n");
  }
}
