ref: a23fca93dd914bf618a72579ff644f16cf6f81fd
dir: /utils/vspr.c/
#include <u.h>
#include <libc.h>
#include <thread.h>
#include <draw.h>
#include <keyboard.h>
#include <mouse.h>
enum{
Nodesz = 32,
Nspr = 8,
Nrot = 17,
Ndt = 50,
};
Keyboardctl *kc;
Mousectl *mc;
Channel *tmc;
int pause;
QLock pauselck;
int Δt = 1000;
Point pan, center, shadofs;
int frm, nfrm, nshfrm, rot, nrot, nspr, cansz;
char *name;
Image *canvas, *gridcol, *selcol, *bgcol, **imtab, **shtab;
int rot17[Nrot] = {
0, 2, 4, 6, 8, 10, 12, 14, 16, 17, 19, 21, 23, 25, 27, 29, 31
};
void
resetdraw(void)
{
freeimage(canvas);
if((canvas = allocimage(display, Rect(0,0,Dx(screen->r),Dy(screen->r)), screen->chan, 0, DNofill)) == nil)
sysfatal("allocimage: %r");
cansz = canvas->r.max.x > canvas->r.max.y ? canvas->r.max.x : canvas->r.max.y;
center = (Point){Nodesz * (Dx(canvas->r)/Nodesz / 2), Nodesz * (Dy(canvas->r)/Nodesz / 2)};
}
void
redraw(void)
{
int n;
char s[128];
Image *ui, *us;
Point p, o;
Rectangle r;
o = addpt(center, pan);
draw(canvas, canvas->r, bgcol, nil, ZP);
ui = imtab[nrot * frm + rot];
us = nil;
if(shtab != nil){
us = shtab[nrot * (nshfrm != 1 ? frm : 0) + rot];
draw(canvas, rectaddpt(us->r, addpt(o, shadofs)), us, us, us->r.min);
}
r = ui->r;
r.max.y = r.min.y + Dy(r) / nspr;
draw(canvas, rectaddpt(r, o), ui, ui, ui->r.min);
for(n=Nodesz; n<cansz; n+=Nodesz){
line(canvas, Pt(n,0), Pt(n,canvas->r.max.y), 0, 0, 0, gridcol, ZP);
line(canvas, Pt(0,n), Pt(canvas->r.max.x,n), 0, 0, 0, gridcol, ZP);
}
p = addpt(ui->r.min, o);
line(canvas, p, Pt(p.x+Nodesz, p.y), 0, 0, 0, selcol, ZP);
line(canvas, p, Pt(p.x, p.y+Nodesz), 0, 0, 0, selcol, ZP);
line(canvas, Pt(p.x, p.y+Nodesz), Pt(p.x+Nodesz+1, p.y+Nodesz), 0, 0, 0, selcol, ZP);
line(canvas, Pt(p.x+Nodesz, p.y), Pt(p.x+Nodesz, p.y+Nodesz), 0, 0, 0, selcol, ZP);
if(us != nil)
snprint(s, sizeof s, "%s frm %02d rot %02d size %R sha %R", name, frm, nrot==Nrot ? rot17[rot] : rot, r, us->r);
else
snprint(s, sizeof s, "%s frm %02d rot %02d size %R", name, frm, nrot==Nrot ? rot17[rot] : rot, r);
string(canvas, Pt(8,0), gridcol, ZP, font, s);
snprint(s, sizeof s, "ofs %P shofs %P Δt %d", pan, shadofs, Δt);
string(canvas, Pt(8,font->height), gridcol, ZP, font, s);
draw(screen, screen->r, canvas, nil, ZP);
flushimage(display, 1);
}
Image *
loadframe(char *frm, int rot, int shad)
{
int n, fd;
char *path;
uchar *buf, *p;
Image *i, *im;
if((path = smprint("/sys/games/lib/sce/%s.%s.%02ud%s.bit", name, frm, rot, shad?".s":"")) == nil)
sysfatal("mprint: %r");
if((fd = open(path, OREAD)) < 0){
fprint(2, "open: %r\n");
return nil;
}
if((i = readimage(display, fd, 0)) == nil)
sysfatal("readimage: %r");
close(fd);
if(i->depth == 32)
goto end;
im = i;
if((i = allocimage(display, im->r, ARGB32, 0, DTransparent)) == nil)
sysfatal("allocimage: %r");
draw(i, i->r, im, nil, i->r.min);
freeimage(im);
n = Dy(i->r) * bytesperline(i->r, i->depth) * 2;
if((buf = malloc(n)) == nil)
sysfatal("malloc: %r");
unloadimage(i, i->r, buf, n);
for(p=buf; p<buf+n; p+=4)
if((p[2] << 16 | p[1] << 8 | p[0]) == 0x00ffff)
p[3] = 0;
loadimage(i, i->r, buf, n);
free(buf);
end:
free(path);
return i;
}
void
setpause(void)
{
if(pause ^= 1)
qlock(&pauselck);
else
qunlock(&pauselck);
}
void
timeproc(void *)
{
for(;;){
qlock(&pauselck);
nbsendul(tmc, 0);
sleep(Δt);
qunlock(&pauselck);
}
}
void
usage(void)
{
fprint(2, "usage: %s [-crs] name frame..\n", argv0);
threadexits("usage");
}
void
threadmain(int argc, char **argv)
{
int n, nr, shad;
Image **i, **s;
Mouse m;
Rune r;
shad = 1;
nrot = Nrot;
nspr = Nspr;
ARGBEGIN{
case 'c': nspr = 1; break;
case 'r': nrot = 1; break;
case 's': shad = 0; break;
default: usage();
}ARGEND
if(argc < 2)
usage();
if(initdraw(nil, nil, "vspr") < 0)
sysfatal("initdraw: %r");
name = *argv++;
argc--;
nfrm = argc;
nshfrm = nfrm;
if((imtab = malloc(nfrm * nrot * sizeof *imtab)) == nil)
sysfatal("malloc: %r");
if(shad && (shtab = malloc(nshfrm * nrot * sizeof *shtab)) == nil)
sysfatal("malloc: %r");
i = imtab;
s = shtab;
while(*argv != nil){
for(n=0; n<nrot; n++){
nr = nrot == Nrot ? rot17[n] : n;
if((*i++ = loadframe(*argv, nr, 0)) == nil)
sysfatal("missing frame");
if(shad){
if((*s++ = loadframe(*argv, nr, 1)) == nil){
if(s - shtab == 1 || n != 0)
sysfatal("missing frame");
nshfrm = 1;
}
}
}
argv++;
}
if(nshfrm == 1 && nfrm > 1)
fprint(2, "only one shadow frame will be used\n");
fmtinstall('P', Pfmt);
fmtinstall('R', Rfmt);
resetdraw();
gridcol = display->black;
if((bgcol = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x00ffffff)) == nil
|| (selcol = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DGreen)) == nil)
sysfatal("allocimage: %r");
redraw();
if((kc = initkeyboard(nil)) == nil)
sysfatal("initkeyboard: %r");
if((mc = initmouse(nil, screen)) == nil)
sysfatal("initmouse: %r");
m.xy = ZP;
if((tmc = chancreate(sizeof(ulong), 0)) == nil)
sysfatal("chancreate: %r");
if(proccreate(timeproc, nil, 8192) < 0)
sysfatal("proccreate: %r");
Alt a[] = {
{mc->resizec, nil, CHANRCV},
{mc->c, &mc->Mouse, CHANRCV},
{kc->c, &r, CHANRCV},
{tmc, nil, CHANRCV},
{nil, nil, CHANEND}
};
for(;;){
switch(alt(a)){
case 0:
if(getwindow(display, Refnone) < 0)
sysfatal("getwindow: %r");
m = mc->Mouse;
resetdraw();
redraw();
break;
case 1:
if(eqpt(m.xy, ZP))
m = mc->Mouse;
if((mc->buttons & 1) == 1 && !eqpt(m.xy, ZP)){
pan.x += mc->xy.x - m.xy.x;
pan.y += mc->xy.y - m.xy.y;
redraw();
}
m = mc->Mouse;
break;
case 2:
switch(r){
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
r -= '0';
if(r < nfrm){
if(!pause)
setpause();
frm = r;
redraw();
}
break;
case '=':
case '+': Δt += Ndt; redraw(); break;
case '-': if(Δt > Ndt){ Δt -= Ndt; redraw(); } break;
case 'r':
case Kesc: pan = ZP; redraw(); break;
case ' ': setpause(); break;
case 'w': shadofs.y--; redraw(); break;
case 's': shadofs.y++; redraw(); break;
case 'a': shadofs.x--; redraw(); break;
case 'd': shadofs.x++; redraw(); break;
case Kup: pan.y--; redraw(); break;
case Kdown: pan.y++; redraw(); break;
case Kright: rot = (rot + 1) % nrot; redraw(); break;
case Kleft: if(--rot < 0) rot = nrot - 1; redraw(); break;
case Kdel: case 'q': threadexitsall(nil);
}
break;
case 3:
frm = (frm + 1) % nfrm;
redraw();
break;
default:
threadexitsall("alt: %r");
}
}
}