ref: f88b27b503b2614a2d4f6c58b1b7c35e536bee5b
dir: /plan9/in_9.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"
cvar_t *in_mouse;
cvar_t *in_joystick;
cvar_t *m_filter;
cvar_t *m_windowed;
cvar_t *sensitivity;
cvar_t *lookstrafe;
cvar_t *m_side;
cvar_t *m_yaw;
cvar_t *m_pitch;
cvar_t *m_forward;
cvar_t *freelook;
qboolean mouseon;
qboolean mlooking;
int mx, my, mbtn, dx, dy, oldmx, oldmy, oldmbtn;
int oldmwin;
typedef struct Kev Kev;
struct Kev{
int key;
int down;
};
enum{
Nbuf = 64
};
Channel *kchan;
int ktid = -1, mtid = -1;
/* rw_9.c */
extern int resized;
extern Point center;
extern refimport_t ri;
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)
{
int i;
if(!mouseon)
return;
for(i = 0; i < 3; i++){
if(mbtn & 1<<i && ~oldmbtn & 1<<i)
Key_Event(K_MOUSE1+i, true, Sys_Milliseconds());
if(~mbtn & 1<<i && oldmbtn & 1<<i)
Key_Event(K_MOUSE1+i, false, Sys_Milliseconds());
}
oldmbtn = mbtn;
}
void KBD_Update (void)
{
Kev ev;
int r;
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");
}
void IN_Move (usercmd_t *cmd)
{
if(!mouseon)
return;
if(m_filter->value){
mx = (mx + oldmx) * 0.5;
my = (my + oldmy) * 0.5;
}else{
mx = dx;
my = dy;
}
oldmx = dx;
oldmy = dy;
if(!mx && !my)
return;
mx *= sensitivity->value;
my *= sensitivity->value;
dx = dy = 0;
/* 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();
}
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;
}
void kproc (void *)
{
int n, k, fd;
char buf[128], kdown[128] = {0}, *s;
Rune r;
Kev ev;
if((fd = open("/dev/kbd", OREAD)) < 0)
sysfatal("open /dev/kbd: %r");
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(nbsend(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(nbsend(kchan, &ev) < 0)
sysfatal("mproc:nbsend: %r\n");
}
}
}
break;
}
strcpy(kdown, buf);
}
close(fd);
ktid = -1;
}
void mproc (void *)
{
int b, n, nerr = 0, fd;
char buf[1+5*12];
int x, y;
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;
x = atoi(buf+1+0*12) - center.x;
y = atoi(buf+1+1*12) - center.y;
b = atoi(buf+1+2*12);
mbtn = b&1 | (b&2)<<1 | (b&4)>>1;
dx += x;
dy += y;
if(x != 0 || y != 0)
fprint(fd, "m%d %d", center.x, center.y);
break;
}
}
close(fd);
mtid = -1;
}
void IN_Shutdown (void)
{
IN_Grabm(0);
if(ktid != -1){
threadkill(ktid);
ktid = -1;
}
if(mtid != -1){
threadkill(mtid);
mtid = -1;
}
if(kchan != nil){
chanfree(kchan);
kchan = nil;
}
mouseon = false;
}
void IN_Init (void)
{
in_mouse = ri.Cvar_Get("in_mouse", "1", CVAR_ARCHIVE);
in_joystick = ri.Cvar_Get("in_joystick", "0", CVAR_ARCHIVE);
m_windowed = ri.Cvar_Get("m_windowed", "0", CVAR_ARCHIVE);
m_filter = ri.Cvar_Get("m_filter", "0", 0);
freelook = ri.Cvar_Get("freelook", "0", 0);
lookstrafe = ri.Cvar_Get("lookstrafe", "0", 0);
sensitivity = ri.Cvar_Get("sensitivity", "3", 0);
m_pitch = ri.Cvar_Get("m_pitch", "0.022", 0);
m_yaw = ri.Cvar_Get("m_yaw", "0.022", 0);
m_forward = ri.Cvar_Get("m_forward", "1", 0);
m_side = ri.Cvar_Get("m_side", "0.8", 0);
ri.Cmd_AddCommand("+mlook", IN_MLookDown);
ri.Cmd_AddCommand("-mlook", IN_MLookUp);
ri.Cmd_AddCommand("force_centerview", IN_ForceCenterView);
kchan = chancreate(sizeof(Kev), Nbuf);
if((ktid = proccreate(kproc, nil, 8192)) < 0)
sysfatal("proccreate kproc: %r");
if((mtid = proccreate(mproc, nil, 8192)) < 0)
sysfatal("proccreate mproc: %r");
mx = my = 0;
}