g_input.c

//
// g_input.c : handle mouse/keyboard/joystick inputs,
//             maps inputs to game controls (forward,use,open...)
//
// by Denis Fabrice for Doom LEGACY project based on doom sources.
//

#include "doomdef.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"

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

// mouse values are used once
consvar_t  cv_mousesens    = {"mousesens","10",CV_SAVE,mousesens_cons_t};
consvar_t  cv_mlooksens    = {"mlooksens","10",CV_SAVE,mousesens_cons_t};
consvar_t  cv_allowjump    = {"allowjump","1",CV_NETVAR,CV_OnOff};
consvar_t  cv_allowautoaim = {"allowautoaim","1",CV_NETVAR,CV_OnOff};

int             mousex;
int             mousey;
int             mlooky;         //like mousey but with a custom sensitivity
                                //for mlook
// joystick values are repeated
int             joyxmove;
int             joyymove;

// current state of the keys : true if pushed
byte    gamekeydown[NUMINPUTS];

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


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



// protos
static boolean G_CheckDoubleClick (int state, dclick_t *dt);


//
//  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,flag;

    switch (ev->type)
    {
      case ev_keydown:
        if (ev->data1 <NUMINPUTS)
            gamekeydown[ev->data1] = 1;
        break;

      case ev_keyup:
        if (ev->data1 <NUMINPUTS)
            gamekeydown[ev->data1] = 0;
        break;

      case ev_mouse:           // buttons hare virtual keys
        mousex = ev->data2*(cv_mousesens.value+1)/10;
        mousey = ev->data3*(cv_mousesens.value+1)/10;

        //added:10-02-98:
        // for now I use the mlook sensitivity just for mlook,
        // instead of having a general mouse y sensitivity.
        mlooky = ev->data3*(cv_mlooksens.value+1)/10;
        break;

      case ev_joystick:        // buttons are virtual keys
        joyxmove = ev->data2;
        joyymove = ev->data3;
        break;

      default:
        break;

    }

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

    for (i=0;i<JOYBUTTONS;i++)
    {
        flag = G_CheckDoubleClick (gamekeydown[KEY_JOY1+i], &joydclicks[i]);
        gamekeydown[KEY_DBLJOY1+i] = flag;
    }
}


//
//  General double-click detection routine for any kind of input.
//
static boolean G_CheckDoubleClick (int 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 += ticdup;
        if (dt->time > 20)
        {
            dt->clicks = 0;
            dt->state = 0;
        }
    }
    return false;
}


typedef struct {
    int  keynum;
    char name[15];
} keyname_t;

static keyname_t keynames[] = {

    {KEY_SPACE     ,"SPACE"},
    {KEY_CAPSLOCK  ,"CAPS LOCK"},
    {KEY_ENTER     ,"ENTER"},
    {KEY_TAB       ,"TAB"},
    {KEY_ESCAPE    ,"ESCAPE"},
    {KEY_BACKSPACE ,"BACKSPACE"},

    {KEY_NUMLOCK   ,"NUMLOCK"},
    {KEY_SCROLLLOCK,"SCROLLLOCK"},

    // bill gates keys

    {KEY_LEFTWIN   ,"LEFTWIN"},
    {KEY_RIGHTWIN  ,"RIGHTWIN"},
    {KEY_MENU      ,"MENU"},

    // shift,ctrl,alt are not distinguished between left & right

    {KEY_SHIFT     ,"SHIFT"},
    {KEY_CTRL      ,"CTRL"},
    {KEY_ALT       ,"ALT"},

    // keypad keys

    {KEY_KPADSLASH,"KEYPAD /"},

    {KEY_KEYPAD7, "KEYPAD 7"},
    {KEY_KEYPAD8, "KEYPAD 8"},
    {KEY_KEYPAD9, "KEYPAD 9"},
    {KEY_MINUSPAD,"KEYPAD -"},
    {KEY_KEYPAD4, "KEYPAD 4"},
    {KEY_KEYPAD5, "KEYPAD 5"},
    {KEY_KEYPAD6, "KEYPAD 6"},
    {KEY_PLUSPAD, "KEYPAD +"},
    {KEY_KEYPAD1, "KEYPAD 1"},
    {KEY_KEYPAD2, "KEYPAD 2"},
    {KEY_KEYPAD3, "KEYPAD 3"},
    {KEY_KEYPAD0, "KEYPAD 0"},
    {KEY_KPADDEL, "KEYPAD ."},

    // extended keys (not keypad)

    {KEY_HOME,      "HOME"},
    {KEY_UPARROW,   "UP ARROW"},
    {KEY_PGUP,      "PGUP"},
    {KEY_LEFTARROW ,"LEFT ARROW"},
    {KEY_RIGHTARROW,"RIGHT ARROW"},
    {KEY_END,       "END"},
    {KEY_DOWNARROW, "DOWN ARROW"},
    {KEY_PGDN,      "PGDN"},
    {KEY_INS,       "INS"},
    {KEY_DEL,       "DEL"},

    // 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,  "MOUSE1"},
    {KEY_MOUSE1+1,"MOUSE2"},
    {KEY_MOUSE1+2,"MOUSE3"},

    {KEY_JOY1,  "JOY1"},
    {KEY_JOY1+1,"JOY2"},
    {KEY_JOY1+2,"JOY3"},
    {KEY_JOY1+3,"JOY4"},
    {KEY_JOY1+4,"JOY5"},
    {KEY_JOY1+5,"JOY6"},
    // we use up to 10 buttons in DirectInput
    {KEY_JOY1+6,"JOY7"},
    {KEY_JOY1+7,"JOY8"},
    {KEY_JOY1+8,"JOY9"},
    {KEY_JOY1+9,"JOY10"},
    // the DOS version uses Allegro's joystick support
    // the Hat is reported as extra buttons
    {KEY_JOY1+10,"HATUP"},
    {KEY_JOY1+11,"HATDOWN"},
    {KEY_JOY1+12,"HATLEFT"},
    {KEY_JOY1+13,"HATRIGHT"},

    {KEY_DBLMOUSE1,  "DBLMOUSE1"},
    {KEY_DBLMOUSE1+1,"DBLMOUSE2"},
    {KEY_DBLMOUSE1+2,"DBLMOUSE3"},

    {KEY_DBLJOY1,  "DBLJOY1"},
    {KEY_DBLJOY1+1,"DBLJOY2"},
    {KEY_DBLJOY1+2,"DBLJOY3"},
    {KEY_DBLJOY1+3,"DBLJOY4"},
    {KEY_DBLJOY1+4,"DBLJOY5"},
    {KEY_DBLJOY1+5,"DBLJOY6"},

};

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"
};

#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_ALT;
    gamecontrol[gc_strafe     ][1]=KEY_MOUSE1+1;
    gamecontrol[gc_straferight][0]='.';
    gamecontrol[gc_strafeleft ][0]=',';
    gamecontrol[gc_speed      ][0]=KEY_SHIFT;
    gamecontrol[gc_turnleft   ][0]=KEY_LEFTARROW;
    gamecontrol[gc_turnright  ][0]=KEY_RIGHTARROW;
    gamecontrol[gc_fire       ][0]=KEY_CTRL;
    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 ][0]=']';
    gamecontrol[gc_nextweapon ][1]=KEY_JOY1+4;
    gamecontrol[gc_prevweapon ][0]='[';
    gamecontrol[gc_prevweapon ][1]=KEY_JOY1+5;
}

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(gamecontrolbis[i][0]));

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

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

    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;
    }
    gc[numctrl][0]=G_KeyStringtoNum(COM_Argv(2));

    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(gamecontrolbis,na);
}