ref: 61e35a208c16f339e39e5b4d6244e12ddcc980f7
dir: /in.c/
#include <u.h>
#include <libc.h>
#include <stdio.h>
#include <draw.h>
#include <thread.h>
#include <mouse.h>
#include <keyboard.h>
#include "dat.h"
#include "fns.h"
extern int resized; /* vid.c */
extern Point center;
extern Channel *fuckchan, *tchan; /* sys.c */
cvar_t *in_joystick;
cvar_t *sensitivity;
cvar_t *lookstrafe;
cvar_t *lookspring;
cvar_t *freelook;
cvar_t *m_pitch;
static cvar_t *m_filter;
static cvar_t *m_windowed;
static cvar_t *m_yaw;
static cvar_t *m_side;
static cvar_t *m_forward;
static int mouseon;
static int mlooking;
static int dx, dy;
static int oldmwin;
typedef struct Kev Kev;
struct Kev{
int key;
int down;
};
enum{
Nbuf = 64
};
static Channel *kchan, *mchan;
static int iop = -1, pfd[2];
static QLock killock;
char *
Sys_ConsoleInput(void)
{
static char buf[256];
int n;
if(dedicated != nil && dedicated->value && iop >= 0){
if(flen(pfd[1]) < 1) /* only poll for input */
return nil;
if((n = read(pfd[1], buf, sizeof buf)) < 0)
sysfatal("Sys_ConsoleInput:read: %r");
if(n == 0){
iop = -1;
return nil;
}
return buf;
}
return nil;
}
void
IN_Grabm(int on)
{
static char nocurs[2*4+2*2*16];
static int fd = -1;
if(mouseon == on)
return;
if(mouseon = on && m_windowed->value){
if((fd = open("/dev/cursor", ORDWR|OCEXEC)) < 0){
sysfatal("IN_Grabm:open: %r\n");
return;
}
write(fd, nocurs, sizeof nocurs);
}else if(fd >= 0){
close(fd);
fd = -1;
}
}
void
IN_Commands(void)
{
/* joystick stuff */
}
void
btnev(int btn, ulong msec)
{
static int oldb;
int i, b;
for(i = 0; i < 3; i++){
b = 1<<i;
if(btn & b && ~oldb & b)
Key_Event(K_MOUSE1+i, true, msec);
else if(~btn & b && oldb & b)
Key_Event(K_MOUSE1+i, false, msec);
}
oldb = btn;
/* mwheelup and mwheeldn buttons are never held down */
for(i = 3; i < 5; i++){
b = 1<<i;
if(btn & b){
Key_Event(K_MOUSE1+i, true, msec);
Key_Event(K_MOUSE1+i, false, msec);
}
}
}
void
KBD_Update(void)
{
int r;
Kev ev;
Mouse m;
if(oldmwin != m_windowed->value){
oldmwin = m_windowed->value;
IN_Grabm(m_windowed->value);
}
while((r = nbrecv(kchan, &ev)) > 0)
Key_Event(ev.key, ev.down, Sys_Milliseconds());
if(r < 0)
sysfatal("KBD_Update:nbrecv: %r\n");
while((r = nbrecv(mchan, &m)) > 0){
dx += m.xy.x;
dy += m.xy.y;
btnev(m.buttons, m.msec);
}
if(r < 0)
sysfatal("KBD_Update:nbrecv: %r\n");
}
void
IN_Move(usercmd_t *cmd)
{
static int oldmx, oldmy;
int mx, my;
if(!mouseon)
return;
if(m_filter->value){
mx = (dx + oldmx) * 0.5;
my = (dy + oldmy) * 0.5;
}else{
mx = dx;
my = dy;
}
oldmx = dx;
oldmy = dy;
dx = dy = 0;
if(!mx && !my)
return;
mx *= sensitivity->value;
my *= sensitivity->value;
/* add mouse x/y movement to cmd */
if(in_strafe.state & 1 || lookstrafe->value && mlooking)
cmd->sidemove += m_side->value * mx;
else
cl.viewangles[YAW] -= m_yaw->value * mx;
if((mlooking || freelook->value) && ~in_strafe.state & 1)
cl.viewangles[PITCH] += m_pitch->value * my;
else
cmd->forwardmove -= m_forward->value * my;
}
/* called on focus/unfocus in win32 */
void
IN_Activate(qboolean)
{
}
/* called every frame even if not generating commands */
void
IN_Frame(void)
{
}
void
IN_ForceCenterView(void)
{
cl.viewangles[PITCH] = 0;
}
void
IN_MLookDown(void)
{
mlooking = true;
}
void
IN_MLookUp(void)
{
mlooking = false;
IN_CenterView();
}
static int
runetokey(Rune r)
{
int k = 0;
switch(r){
case Kpgup: k = K_PGUP; break;
case Kpgdown: k = K_PGDN; break;
case Khome: k = K_HOME; break;
case Kend: k = K_END; break;
case Kleft: k = K_LEFTARROW; break;
case Kright: k = K_RIGHTARROW; break;
case Kdown: k = K_DOWNARROW; break;
case Kup: k = K_UPARROW; break;
case Kesc: k = K_ESCAPE; break;
case '\n': k = K_ENTER; break;
case '\t': k = K_TAB; break;
case KF|1: k = K_F1; break;
case KF|2: k = K_F2; break;
case KF|3: k = K_F3; break;
case KF|4: k = K_F4; break;
case KF|5: k = K_F5; break;
case KF|6: k = K_F6; break;
case KF|7: k = K_F7; break;
case KF|8: k = K_F8; break;
case KF|9: k = K_F9; break;
case KF|10: k = K_F10; break;
case KF|11: k = K_F11; break;
case KF|12: k = K_F12; break;
case Kbs: k = K_BACKSPACE; break;
case Kdel: k = K_DEL; break;
case Kbreak: k = K_PAUSE; break;
case Kshift: k = K_SHIFT; break;
case Kctl: k = K_CTRL; break;
case Kalt:
case Kaltgr: k = K_ALT; break;
case Kins: k = K_INS; break;
default:
if(r < 0x80)
k = r;
};
return k;
}
static void
kproc(void *)
{
int n, k, fd;
char buf[128], kdown[128], *s;
Rune r;
Kev ev;
if(threadsetgrp(THin) < 0)
sysfatal("kproc:threadsetgrp: %r");
if((fd = open("/dev/kbd", OREAD)) < 0)
sysfatal("open /dev/kbd: %r");
kdown[0] = kdown[1] = 0;
while((n = read(fd, buf, sizeof buf)) > 0){
buf[n-1] = 0;
switch(*buf){
case 'c':
default:
continue;
case 'k':
s = buf+1;
while(*s){
s += chartorune(&r, s);
if(utfrune(kdown+1, r) == nil){
if(k = runetokey(r)){
ev.key = k;
ev.down = true;
if(send(kchan, &ev) < 0)
sysfatal("kproc:nbsend: %r\n");
}
}
}
break;
case 'K':
s = kdown+1;
while(*s){
s += chartorune(&r, s);
if(utfrune(buf+1, r) == nil){
if(k = runetokey(r)){
ev.key = k;
ev.down = false;
if(send(kchan, &ev) < 0)
sysfatal("mproc:nbsend: %r\n");
}
}
}
break;
}
strcpy(kdown, buf);
}
fprint(2, "kproc: %r\n");
close(fd);
}
static void
mproc(void *)
{
int n, nerr = 0, fd;
char buf[1+5*12];
Mouse m;
if(threadsetgrp(THin) < 0)
sysfatal("mproc:threadsetgrp: %r");
if((fd = open("/dev/mouse", ORDWR)) < 0)
sysfatal("open /dev/mouse: %r");
for(;;){
if((n = read(fd, buf, sizeof buf)) != 1+4*12){
fprint(2, "mproc:read: bad count %d not 49: %r\n", n);
if(n < 0 || ++nerr > 10)
break;
continue;
}
nerr = 0;
switch(*buf){
case 'r':
resized = 1;
/* fall through */
case 'm':
if(!mouseon)
break;
m.xy.x = atoi(buf+1+0*12) - center.x;
m.xy.y = atoi(buf+1+1*12) - center.y;
if(m.xy.x != 0 || m.xy.y != 0)
fprint(fd, "m%d %d", center.x, center.y);
m.buttons = atoi(buf+1+2*12);
m.msec = atoi(buf+1+3*12);
if(nbsend(mchan, &m) < 0)
sysfatal("mproc:nbsend: %r\n");
break;
}
}
fprint(2, "mproc: %r\n");
IN_Grabm(0);
close(fd);
}
static void
tproc(void *) /* stupid select() timeout bullshit */
{
int t, ms, n, r;
threadsetgrp(THin);
t = ms = 0;
for(;;){
sleep(1);
t++;
if((r = nbrecv(tchan, &n)) < 0)
sysfatal("tproc:nbrecv: %r");
if(r == 0){
if(t == ms && nbsend(fuckchan, nil) < 0)
sysfatal("tproc:nbsend: %r");
continue;
}
if(n <= 0)
ms = 0;
else{
ms = n;
t = 0;
}
}
}
static void
iproc(void *)
{
int n;
char s[256];
threadsetgrp(THin);
if((iop = pipe(pfd)) < 0)
sysfatal("iproc:pipe: %r");
for(;;){
if((n = read(0, s, sizeof s)) <= 0)
break;
s[n-1] = 0;
if((write(pfd[0], s, n)) != n)
break;
if(nbsend(fuckchan, nil) < 0)
sysfatal("iproc:nbsend: %r");
}
fprint(2, "iproc %d: %r\n", threadpid(threadid()));
iop = -1;
}
void
IN_Shutdown(void)
{
qlock(&killock); /* there can be only one */
IN_Grabm(0);
threadkillgrp(THin);
iop = -1;
close(pfd[0]);
close(pfd[1]);
if(kchan != nil){
chanfree(kchan);
kchan = nil;
}
if(mchan != nil){
chanfree(mchan);
mchan = nil;
}
qunlock(&killock);
}
void
IN_Init(void)
{
if(dedicated->value){
if(proccreate(iproc, nil, 8192) < 0)
sysfatal("proccreate iproc: %r");
if(proccreate(tproc, nil, 8192) < 0)
sysfatal("proccreate tproc: %r");
return;
}
in_joystick = Cvar_Get("in_joystick", "0", CVAR_ARCHIVE);
sensitivity = Cvar_Get("sensitivity", "3", CVAR_ARCHIVE);
freelook = Cvar_Get("freelook", "0", CVAR_ARCHIVE);
lookspring = Cvar_Get("lookspring", "0", CVAR_ARCHIVE);
lookstrafe = Cvar_Get("lookstrafe", "0", CVAR_ARCHIVE);
m_pitch = Cvar_Get("m_pitch", "0.022", CVAR_ARCHIVE);
m_yaw = Cvar_Get("m_yaw", "0.022", 0);
m_forward = Cvar_Get("m_forward", "1", 0);
m_side = Cvar_Get("m_side", "0.8", 0);
m_windowed = Cvar_Get("m_windowed", "0", CVAR_ARCHIVE);
m_filter = Cvar_Get("m_filter", "0", 0);
Cmd_AddCommand("+mlook", IN_MLookDown);
Cmd_AddCommand("-mlook", IN_MLookUp);
Cmd_AddCommand("force_centerview", IN_ForceCenterView);
if((kchan = chancreate(sizeof(Kev), Nbuf)) == nil)
sysfatal("chancreate kchan: %r");
if(proccreate(kproc, nil, 8192) < 0)
sysfatal("proccreate kproc: %r");
if((mchan = chancreate(sizeof(Mouse), Nbuf)) == nil)
sysfatal("chancreate kchan: %r");
if(proccreate(mproc, nil, 8192) < 0)
sysfatal("proccreate mproc: %r");
}