ref: 71c2cd61f6e53a455140f5920cff88cdfd4b4d33
dir: /bts.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <thread.h> #include <draw.h> #include <mouse.h> #include <cursor.h> #include <keyboard.h> #include <geometry.h> #include "dat.h" #include "fns.h" #include "mixer.h" enum { PCBlack, PCWhite, PCRed, PCGreen, PCShip, PCYellow, PCBlue, PCWater, PCWaves, PCBrown, PCShadow, NCOLORS }; enum { CMid, CMqueued, CMlayout, CMoid, CMwait, CMplay, CMwehit, CMwemiss, CMtheyhit, CMtheymiss, CMmatches, /* list opening */ CMmatch, /* list entry */ CMendmatches, /* list closure */ CMwatching, CMwin, CMlose, CMplayeroutlay, CMplayerhit, CMplayermiss, CMplayerplays, CMplayerwon, }; Cmdtab svcmd[] = { CMid, "id", 1, CMqueued, "queued", 1, CMlayout, "layout", 1, CMoid, "oid", 2, CMwait, "wait", 1, CMplay, "play", 1, CMwehit, "hit", 1, CMwemiss, "miss", 1, CMtheyhit, "hit", 2, CMtheymiss, "miss", 2, CMmatches, "matches", 1, CMmatch, "m", 4, CMendmatches, "endmatches", 1, CMwatching, "watching", 4, CMwin, "win", 1, CMlose, "lose", 1, CMplayeroutlay, "outlayed", 3, CMplayerhit, "hit", 3, CMplayermiss, "miss", 3, CMplayerplays, "plays", 2, CMplayerwon, "won", 2, }; int debug; Cursor patrolcursor = { {0, 0}, { 0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0x03, 0x80, 0x06, 0x80, 0x06, 0xc0, 0x0e, 0xe0, 0x1e, 0xf0, 0x1f, 0xf8, 0x3f, 0x00, 0x01, 0x00, 0x41, 0x02, 0x7f, 0xfe, 0x7f, 0xfc, 0x3f, 0xf8, 0x00, 0x00, }, { 0x03, 0x80, 0x06, 0x80, 0x04, 0xc0, 0x0c, 0x40, 0x09, 0x60, 0x19, 0x30, 0x31, 0x18, 0x21, 0x0c, 0x60, 0x04, 0x40, 0xfc, 0xfe, 0x87, 0xbe, 0xfd, 0x80, 0x01, 0x80, 0x03, 0xc0, 0x06, 0x7f, 0xfc, }, }; Cursor waitcursor = { {0, 0}, { 0x01, 0x80, 0x03, 0xc0, 0x07, 0xe0, 0x07, 0xe0, 0x07, 0xe0, 0x07, 0xe0, 0x03, 0xc0, 0x0f, 0xf0, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x0f, 0xf0, 0x1f, 0xf8, 0x3f, 0xfc, 0x3f, 0xfc, }, { 0x01, 0x80, 0x03, 0xc0, 0x07, 0xe0, 0x04, 0x20, 0x04, 0x20, 0x06, 0x60, 0x02, 0x40, 0x0c, 0x30, 0x10, 0x08, 0x14, 0x08, 0x14, 0x28, 0x12, 0x28, 0x0a, 0x50, 0x16, 0x68, 0x20, 0x04, 0x3f, 0xfc, } }; Cursor boxcursor = { {-7, -7}, { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, { 0x00, 0x00, 0x7f, 0xfe, 0x7f, 0xfe, 0x7f, 0xfe, 0x70, 0x0e, 0x70, 0x0e, 0x70, 0x0e, 0x70, 0x0e, 0x70, 0x0e, 0x70, 0x0e, 0x70, 0x0e, 0x70, 0x0e, 0x7f, 0xfe, 0x7f, 0xfe, 0x7f, 0xfe, 0x00, 0x00 } }; Cursor aimcursor = { {-7, -7}, { 0x1f, 0xf8, 0x3f, 0xfc, 0x7f, 0xfe, 0xfb, 0xdf, 0xf3, 0xcf, 0xe3, 0xc7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe3, 0xc7, 0xf3, 0xcf, 0x7b, 0xdf, 0x7f, 0xfe, 0x3f, 0xfc, 0x1f, 0xf8, }, { 0x00, 0x00, 0x0f, 0xf0, 0x31, 0x8c, 0x21, 0x84, 0x41, 0x82, 0x41, 0x82, 0x41, 0x82, 0x7f, 0xfe, 0x7f, 0xfe, 0x41, 0x82, 0x41, 0x82, 0x41, 0x82, 0x21, 0x84, 0x31, 0x8c, 0x0f, 0xf0, 0x00, 0x00, } }; char deffont[] = "/lib/font/bit/pelm/unicode.9.font"; char titlefontpath[] = "assets/font/gunmetal/gunmetal.48.font"; Font *titlefont; char winspec[32]; char uid[8+1], oid[8+1]; Channel *drawchan; Channel *ingress, *egress; Mousectl *mctl; /* only used to update the cursor */ RFrame worldrf; Image *pal[NCOLORS]; Image *screenb; Image *tiletab[NTILES]; AudioSource *playlist[NSOUNDS]; Board alienboard; Board localboard; Ship armada[NSHIPS]; Ship *curship; int layoutdone; Point2 lastshot; Menulist *matches; MatchInfo match; /* of which we are an spectator */ struct { int state; int mode; } game; struct { Image *c; /* color */ char *s; /* banner text */ AudioSource *snd; /* victory or defeat bg sfx */ } conclusion; Point fromworld(Point2 p) { p = invrframexform(p, worldrf); return Pt(p.x,p.y); } Point2 toworld(Point p) { return rframexform(Pt2(p.x,p.y,1), worldrf); } Point fromboard(Board *b, Point2 p) { p = invrframexform(invrframexform(p, *b), worldrf); return Pt(p.x,p.y); } Point2 toboard(Board *b, Point p) { Point2 np; np = rframexform(rframexform(Pt2(p.x,p.y,1), worldrf), *b); np.x = floor(np.x); np.y = floor(np.y); return np; } int rectXarmada(Rectangle r) { int i; for(i = 0; i < nelem(armada); i++) if(curship != &armada[i] && rectXrect(r, armada[i].bbox)) return 1; return 0; } Rectangle mkshipbbox(Point2 p, int o, int ncells) { Point2 sv; assert(o == OH || o == OV); sv = o == OH? Vec2(1,0): Vec2(0,1); return Rpt( fromboard(&localboard, p), fromboard(&localboard, addpt2(addpt2(p, mulpt2(sv, ncells)), Vec2(sv.y,sv.x))) ); } void csetcursor(Mousectl *mc, Cursor *c) { static Cursor *oc; if(c == oc) return; setcursor(mc, c); oc = c; } void resetgame(void) { int i; memset(localboard.map, Twater, MAPW*MAPH); memset(alienboard.map, Twater, MAPW*MAPH); for(i = 0; i < nelem(armada); i++){ armada[i].bbox = ZR; memset(armada[i].hit, 0, armada[i].ncells*sizeof(int)); } curship = nil; layoutdone = 0; oid[0] = 0; game.state = Waiting0; conclusion.s = nil; csetcursor(mctl, nil); audio_stop(conclusion.snd); conclusion.snd = nil; audio_play(playlist[SBG0]); } Point vstring(Image *dst, Point p, Image *src, Point sp, Font *f, char *s) { char buf[2]; buf[1] = 0; while(*s){ buf[0] = *s++; string(dst, p, src, sp, f, buf); p.y += font->height; } return p; } Image * gettileimage(int type) { if(type < 0 || type > nelem(tiletab)) return nil; return tiletab[type]; } void drawtile(Image *dst, Board *b, Point2 cell, int type) { Point p; Image *ti; p = fromboard(b, cell); ti = gettileimage(type); if(ti == nil) return; draw(dst, Rpt(p, addpt(p, Pt(TW,TH))), ti, nil, ZP); } void drawship(Image *dst, Ship *s) { Point2 p, sv; int i; if(!rectinrect(s->bbox, localboard.bbox)) return; p = s->p; assert(s->orient == OH || s->orient == OV); sv = s->orient == OH? Vec2(1,0): Vec2(0,1); for(i = 0; i < s->ncells; i++){ drawtile(dst, &localboard, p, s->hit[i]? Thit: Tship); p = addpt2(p, sv); } } void drawships(Image *dst) { int i; for(i = 0; i < nelem(armada); i++) drawship(dst, &armada[i]); } void drawboard(Image *dst, Board *b) { int i, j; border(dst, b->bbox, -Borderwidth, pal[PCBrown], ZP); for(i = 0; i < MAPW; i++) for(j = 0; j < MAPH; j++) drawtile(dst, b, Pt2(i,j,1), b->map[i][j]); } void drawtitle(Image *dst) { static char s[] = "BATTLESHIP"; string(dst, Pt(SCRW/2 - stringwidth(titlefont, s)/2, 0), pal[PCWhite], ZP, titlefont, s); } void drawgameoptions(Image *dst) { static char s[] = "press p to play, w to watch"; string(dst, Pt(SCRW/2 - stringwidth(font, s)/2, 10*font->height+5), pal[PCWhite], ZP, font, s); } void drawinfo(Image *dst) { Point p; char *s, aux[32], aux2[32]; int i; s = ""; switch(game.state){ case Watching: snprint(aux, sizeof aux, "watching %s vs. %s", match.pl[0].uid, match.pl[1].uid); s = aux; break; case Ready: s = "looking for players"; break; case Outlaying: s = "place the fleet"; break; case Waiting: s = "wait for your turn"; break; case Playing: s = "your turn"; break; } p = Pt(SCRW/2 - stringwidth(font, s)/2, 0); string(dst, p, pal[PCWhite], ZP, font, s); s = "TARGET"; p = subpt(alienboard.bbox.min, Pt(font->width+2+Borderwidth,0)); vstring(dst, p, pal[PCWhite], ZP, font, s); s = "LOCAL"; p = Pt(localboard.bbox.max.x+2+Borderwidth, localboard.bbox.min.y); vstring(dst, p, pal[PCWhite], ZP, font, s); p = Pt(alienboard.bbox.max.x+2+Borderwidth, alienboard.bbox.min.y); vstring(dst, p, pal[PCWhite], ZP, font, game.state == Watching? match.pl[1].uid: oid); p = subpt(localboard.bbox.min, Pt(font->width+2+Borderwidth,0)); vstring(dst, p, pal[PCWhite], ZP, font, game.state == Watching? match.pl[0].uid: uid); /* TODO make this an info panel and show errors from bad transactions. */ if(game.state == Outlaying){ if(curship != nil){ snprint(aux, sizeof aux, "%s (%d)", shipname(curship-armada), curship->ncells); p = Pt(SCRW/2 - stringwidth(font, aux)/2, SCRH-Boardmargin); string(dst, p, pal[PCYellow], ZP, font, aux); }else{ s = "done with the layout?"; p = Pt(SCRW/2 - stringwidth(font, s)/2, SCRH-Boardmargin); string(dst, p, pal[PCYellow], ZP, font, s); } }else if(game.state == Watching){ snprint(aux, sizeof aux, "waiting for players to"); snprint(aux2, sizeof aux2, "lay out their fleet"); for(i = 0; i < nelem(match.pl); i++) if(match.pl[i].state == Playing){ snprint(aux, sizeof aux, "it's %s's turn", match.pl[i].uid); aux2[0] = 0; } p = Pt(SCRW/2 - stringwidth(font, aux)/2, SCRH-Boardmargin); string(dst, p, pal[PCBlue], ZP, font, aux); p = Pt(SCRW/2 - stringwidth(font, aux2)/2, SCRH-Boardmargin+font->height); string(dst, p, pal[PCBlue], ZP, font, aux2); } } void drawconclusion(Image *dst) { static char s[] = "press any key to continue"; if(conclusion.s == nil) return; draw(dst, dst->r, pal[PCShadow], nil, ZP); string(dst, Pt(SCRW/2 - stringwidth(font, conclusion.s)/2, font->height+5), conclusion.c, ZP, font, conclusion.s); string(dst, Pt(SCRW/2 - stringwidth(font, s)/2, 10*font->height+5), pal[PCWhite], ZP, font, s); } void redraw(void) { lockdisplay(display); draw(screenb, screenb->r, pal[PCBlack], nil, ZP); switch(game.state){ case Waiting0: drawtitle(screenb); drawgameoptions(screenb); matches->draw(matches, screenb); break; default: drawboard(screenb, &alienboard); drawboard(screenb, &localboard); drawships(screenb); drawinfo(screenb); break; } drawconclusion(screenb); draw(screen, screen->r, screenb, nil, ZP); flushimage(display, 1); unlockdisplay(display); } void resize(void) { int fd; lockdisplay(display); if(getwindow(display, Refnone) < 0) sysfatal("resize failed"); unlockdisplay(display); /* ignore move events */ if(Dx(screen->r) != SCRW || Dy(screen->r) != SCRH){ fd = open("/dev/wctl", OWRITE); if(fd >= 0){ fprint(fd, "resize %s", winspec); close(fd); } } nbsend(drawchan, nil); } void initpalette(void) { pal[PCBlack] = display->black; pal[PCWhite] = display->white; pal[PCRed] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, DRed); pal[PCGreen] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, DGreen); pal[PCShip] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, 0xAAAAAAFF); pal[PCYellow] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow); pal[PCWater] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreyblue); pal[PCWaves] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalebluegreen); pal[PCBlue] = pal[PCWaves]; pal[PCBrown] = eallocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x806000FF); pal[PCShadow] = eallocimage(display, Rect(0,0,1,1), RGBA32, 1, 0x0000007f); } void inittiles(void) { int i, x, y; Point pts[2]; for(i = 0; i < nelem(tiletab); i++){ tiletab[i] = eallocimage(display, Rect(0,0,TW,TH), screen->chan, 0, DNofill); switch(i){ case Twater: draw(tiletab[i], tiletab[i]->r, pal[PCWater], nil, ZP); for(pts[0] = ZP, x = 0; x < TW; x++){ y = sin(x)*TH/2; pts[1] = Pt(x,y+TH/2); line(tiletab[i], pts[0], pts[1], Endsquare, Endsquare, 0, pal[PCWaves], ZP); pts[0] = pts[1]; } break; case Tship: draw(tiletab[i], tiletab[i]->r, pal[PCShip], nil, ZP); fillellipse(tiletab[i], Pt(TW/2,TH/2), 2, 2, pal[PCBlack], ZP); break; case Thit: draw(tiletab[i], tiletab[i]->r, pal[PCRed], nil, ZP); pts[0] = Pt(TW/2-TW/4,TH/2-TH/4); pts[1] = Pt(TW/2+TW/4,TH/2+TH/4); line(tiletab[i], pts[0], pts[1], Endsquare, Endsquare, 1, pal[PCBlack], ZP); pts[0].y += TH/2; pts[1].y -= TH/2; line(tiletab[i], pts[0], pts[1], Endsquare, Endsquare, 1, pal[PCBlack], ZP); break; case Tmiss: draw(tiletab[i], tiletab[i]->r, tiletab[Twater], nil, ZP); ellipse(tiletab[i], Pt(TW/2,TH/2), 6, 6, 1, pal[PCWhite], ZP); break; } } } void initboards(void) { memset(alienboard.map, Twater, MAPW*MAPH); alienboard.p = Pt2(Boardmargin+Borderwidth,Boardmargin+Borderwidth,1); alienboard.bx = Vec2(TW,0); alienboard.by = Vec2(0,TH); alienboard.bbox = Rpt(fromworld(alienboard.p), fromworld(addpt2(alienboard.p, Pt2(TW*MAPW,TH*MAPH,1)))); memset(localboard.map, Twater, MAPW*MAPH); localboard.p = addpt2(alienboard.p, Vec2(0,MAPH*TH+Borderwidth+TH+Borderwidth)); localboard.bx = Vec2(TW,0); localboard.by = Vec2(0,TH); localboard.bbox = Rpt(fromworld(localboard.p), fromworld(addpt2(localboard.p, Pt2(TW*MAPW,TH*MAPH,1)))); } void initarmada(void) { Ship *s; int i; for(i = 0; i < nelem(armada); i++){ s = &armada[i]; s->ncells = shiplen(i); s->orient = OV; s->hit = emalloc(s->ncells*sizeof(int)); memset(s->hit, 0, s->ncells*sizeof(int)); } } void initsound(void) { struct { char *path; double gain; int loops; } sndtab[NSOUNDS] = { [SBG0] {"assets/sfx/bg0.mp3", 1.0, 1}, [SBG1] {"assets/sfx/bg1.mp3", 1.0, 1}, [SBG2] {"assets/sfx/bg2.mp3", 1.0, 1}, [SCANNON] {"assets/sfx/cannon.mp3", 5.0, 0}, [SWATER] {"assets/sfx/water.mp3", 3.0, 0}, [SVICTORY] {"assets/sfx/victory.mp3", 1.0, 1}, [SDEFEAT] {"assets/sfx/defeat.mp3", 1.0, 1}, }; int i; audio_init(44100); audio_set_master_gain(0.5); for(i = 0; i < NSOUNDS; i++){ playlist[i] = audio_new_source_from_file(sndtab[i].path); if(playlist[i] == nil) sysfatal("audio_new_source_from_file: %r"); audio_set_gain(playlist[i], sndtab[i].gain); audio_set_loop(playlist[i], sndtab[i].loops); } audio_play(playlist[SBG0]); } int confirmdone(Mousectl *mc) { /* thanks sigrid! */ Cursor anchor = { {0, 0}, { 0x00, 0x00, 0x00, 0x1e, 0x01, 0x92, 0x30, 0xd2, 0x70, 0x7e, 0x60, 0x70, 0x40, 0xf8, 0x41, 0xcc, 0x43, 0x84, 0x47, 0x00, 0x4e, 0x00, 0x5c, 0x00, 0x78, 0x18, 0x70, 0x38, 0x7f, 0xf0, 0x00, 0x00, }, { 0x00, 0x3f, 0x03, 0xe1, 0x7a, 0x6d, 0xcb, 0x2d, 0x89, 0x81, 0x99, 0x8f, 0xb3, 0x07, 0xa6, 0x33, 0xac, 0x7a, 0xb8, 0xce, 0xb1, 0x80, 0xa3, 0x3c, 0x86, 0x64, 0x8f, 0xc4, 0x80, 0x0c, 0xff, 0xf8, }, }; csetcursor(mc, &anchor); while(mc->buttons == 0) readmouse(mc); if(mc->buttons != 4){ csetcursor(mc, nil); return 0; } while(mc->buttons){ if(mc->buttons != 4){ csetcursor(mc, nil); return 0; } readmouse(mc); } csetcursor(mc, nil); return 1; } void lmb(Mousectl *mc) { Point2 cell; char buf[3+1]; if(conclusion.s != nil) return; switch(game.state){ case Outlaying: if(!ptinrect(mc->xy, localboard.bbox)) break; if(curship != nil && rectinrect(curship->bbox, localboard.bbox)){ if(++curship-armada >= nelem(armada)) curship = nil; else if(curship != &armada[0]) curship->orient = (curship-1)->orient; nbsend(drawchan, nil); } break; case Playing: if(!ptinrect(mc->xy, alienboard.bbox)) break; audio_play(playlist[SCANNON]); cell = toboard(&alienboard, mc->xy); /* TODO check if we already shot at that cell */ cell2coords(buf, sizeof buf, cell); chanprint(egress, "shoot %s\n", buf); lastshot = cell; break; } } void mmb(Mousectl *mc) { if(game.state != Outlaying) return; if(curship != nil){ curship->orient = curship->orient == OH? OV: OH; curship->bbox = mkshipbbox(curship->p, curship->orient, curship->ncells); if(debug) fprint(2, "curship orient %c\n", curship->orient == OH? 'h': 'v'); /* steer it, captain! don't let it go off-board! */ if(!rectinrect(curship->bbox, localboard.bbox)){ switch(curship->orient){ case OH: curship->bbox.min.x -= curship->bbox.max.x-localboard.bbox.max.x; curship->bbox.max.x = localboard.bbox.max.x; break; case OV: curship->bbox.min.y -= curship->bbox.max.y-localboard.bbox.max.y; curship->bbox.max.y = localboard.bbox.max.y; break; } curship->p = toboard(&localboard, curship->bbox.min); moveto(mc, addpt(screen->r.min, curship->bbox.min)); readmouse(mc); /* ignore mmb click triggered by moveto */ } /* …nor ram allied ships! */ if(rectXarmada(curship->bbox)) curship->bbox = ZR; nbsend(drawchan, nil); } } void rmb(Mousectl *mc) { enum { PLACESHIP, DONE, }; static char *items[] = { [PLACESHIP] "relocate ships", [DONE] "done", nil }; static Menu menu = { .item = items }; char buf[NSHIPS*(1+3+1)+1]; int i, n; if(game.state != Outlaying) return; mc->xy = addpt(mc->xy, screen->r.min); switch(menuhit(3, mc, &menu, _screen)){ case PLACESHIP: if(!layoutdone) curship = &armada[0]; break; case DONE: if(curship != nil || layoutdone) break; if(!confirmdone(mc)) break; n = 0; for(i = 0; i < nelem(armada); i++){ assert(sizeof buf - n > 1+3+1); if(i != 0) buf[n++] = ','; n += cell2coords(buf+n, sizeof buf - n, armada[i].p); buf[n++] = armada[i].orient == OH? 'h': 'v'; } chanprint(egress, "layout %s\n", buf); layoutdone++; break; } nbsend(drawchan, nil); } void mouse(Mousectl *mc) { Rectangle newbbox; static Mouse oldm; int selmatch; mc->xy = subpt(mc->xy, screen->r.min); if(game.state == Waiting0) if((selmatch = matches->update(matches, mc, drawchan)) >= 0){ if(debug) fprint(2, "selected match id %d title %s\n", matches->entries[selmatch].id, matches->entries[selmatch].title); chanprint(egress, "watch %d\n", matches->entries[selmatch].id); } if(game.state == Outlaying && curship != nil){ newbbox = mkshipbbox(toboard(&localboard, mc->xy), curship->orient, curship->ncells); if(ptinrect(mc->xy, localboard.bbox)) csetcursor(mctl, &boxcursor); else csetcursor(mctl, nil); if(rectinrect(newbbox, localboard.bbox) && !rectXarmada(newbbox)){ curship->p = toboard(&localboard, mc->xy); curship->bbox = newbbox; nbsend(drawchan, nil); } } if(game.state == Playing && conclusion.s == nil) if(ptinrect(mc->xy, alienboard.bbox)) csetcursor(mctl, &aimcursor); else csetcursor(mctl, nil); if(oldm.buttons != mc->buttons) switch(mc->buttons){ case 1: lmb(mc); break; case 2: mmb(mc); break; case 4: rmb(mc); break; } oldm = mc->Mouse; } void key(Rune r) { if(conclusion.s != nil){ resetgame(); nbsend(drawchan, nil); return; } switch(r){ case Kdel: case 'q': threadexitsall(nil); case 'p': if(game.state != Waiting0) break; chanprint(egress, "play %d\n", game.mode); break; case 'w': if(game.state != Waiting0) break; chanprint(egress, "watch\n"); break; } } void celebrate(void) { static char s[] = "YOU WON!"; conclusion.c = pal[PCGreen]; conclusion.s = s; conclusion.snd = playlist[SVICTORY]; audio_stop(playlist[SBG2]); audio_play(conclusion.snd); } void keelhaul(void) { static char s[] = "…YOU LOST"; conclusion.c = pal[PCRed]; conclusion.s = s; conclusion.snd = playlist[SDEFEAT]; audio_stop(playlist[SBG2]); audio_play(conclusion.snd); } void announcewinner(char *winner) { static char s[16]; if(winner == nil) return; snprint(s, sizeof s, "%s WON", winner); conclusion.c = pal[PCGreen]; conclusion.s = s; conclusion.snd = playlist[SVICTORY]; audio_stop(playlist[SBG2]); audio_play(conclusion.snd); } void processcmd(char *cmd) { Cmdbuf *cb; Cmdtab *ct; Point2 cell; uchar buf[BY2MAP]; int i, idx; if(debug) fprint(2, "rcvd '%s'\n", cmd); cb = parsecmd(cmd, strlen(cmd)); ct = lookupcmd(cb, svcmd, nelem(svcmd)); if(ct == nil){ free(cb); return; } if(ct->index == CMwin) celebrate(); else if(ct->index == CMlose) keelhaul(); switch(game.state){ case Waiting0: if(ct->index == CMid) chanprint(egress, "id %s\n", uid); else if(ct->index == CMqueued){ game.state = Ready; csetcursor(mctl, &patrolcursor); }else if(ct->index == CMmatches && !matches->filling){ matches->clear(matches); matches->filling = 1; }else if(ct->index == CMmatch && matches->filling) matches->add(matches, strtoul(cb->f[1], nil, 10), smprint("%s vs %s", cb->f[2], cb->f[3])); else if(ct->index == CMendmatches && matches->filling) matches->filling = 0; else if(ct->index == CMwatching){ match.id = strtoul(cb->f[1], nil, 10); snprint(match.pl[0].uid, sizeof match.pl[0].uid, "%s", cb->f[2]); snprint(match.pl[1].uid, sizeof match.pl[1].uid, "%s", cb->f[3]); match.pl[0].state = Outlaying; match.pl[1].state = Outlaying; match.bl[0] = &localboard; match.bl[1] = &alienboard; game.state = Watching; audio_stop(playlist[SBG0]); audio_play(playlist[SBG2]); } break; case Ready: if(ct->index == CMlayout){ game.state = Outlaying; curship = &armada[0]; audio_stop(playlist[SBG0]); audio_play(playlist[SBG2]); }else if(ct->index == CMoid) snprint(oid, sizeof oid, "%s", cb->f[1]); break; case Watching: if(ct->index == CMplayeroutlay){ idx = strtoul(cb->f[1], nil, 10); if(dec64(buf, sizeof buf, cb->f[2], strlen(cb->f[2])) < 0) sysfatal("dec64 failed"); bitunpackmap(match.bl[idx], buf, sizeof buf); match.pl[idx].state = Waiting; }else if(ct->index == CMplayerhit){ idx = strtoul(cb->f[1], nil, 10); cell = coords2cell(cb->f[2]); settile(match.bl[idx^1], cell, Thit); }else if(ct->index == CMplayermiss){ idx = strtoul(cb->f[1], nil, 10); cell = coords2cell(cb->f[2]); settile(match.bl[idx^1], cell, Tmiss); }else if(ct->index == CMplayerplays){ idx = strtoul(cb->f[1], nil, 10); match.pl[idx].state = Playing; match.pl[idx^1].state = Waiting; }else if(ct->index == CMplayerwon){ idx = strtoul(cb->f[1], nil, 10); announcewinner(match.pl[idx].uid); } break; case Outlaying: if(ct->index == CMwait){ game.state = Waiting; csetcursor(mctl, &waitcursor); }else if(ct->index == CMplay) game.state = Playing; break; case Playing: if(ct->index == CMwait){ game.state = Waiting; csetcursor(mctl, &waitcursor); }else if(ct->index == CMwehit) settile(&alienboard, lastshot, Thit); else if(ct->index == CMwemiss){ audio_play(playlist[SWATER]); settile(&alienboard, lastshot, Tmiss); } break; case Waiting: if(ct->index == CMplay){ game.state = Playing; csetcursor(mctl, nil); }else if(ct->index == CMtheyhit){ cell = coords2cell(cb->f[1]); for(i = 0; i < nelem(armada); i++) if(ptinrect(fromboard(&localboard, cell), armada[i].bbox)){ cell = subpt2(cell, armada[i].p); armada[i].hit[(int)vec2len(cell)] = 1; break; } }else if(ct->index == CMtheymiss){ cell = coords2cell(cb->f[1]); settile(&localboard, cell, Tmiss); } break; } free(cb); nbsend(drawchan, nil); } void soundproc(void *) { Biobuf *aout; uchar adata[512]; threadsetname("soundproc"); aout = Bopen("/dev/audio", OWRITE); if(aout == nil) sysfatal("Bopen: %r"); for(;;){ audio_process((void*)adata, sizeof(adata)/2); Bwrite(aout, adata, sizeof adata); } } void netrecvthread(void *arg) { Ioproc *io; char buf[256], *e; int n, tot, fd; fd = *(int*)arg; io = ioproc(); tot = 0; while((n = ioread(io, fd, buf+tot, sizeof(buf)-1-tot)) > 0){ tot += n; buf[tot] = 0; while((e = strchr(buf, '\n')) != nil){ *e++ = 0; processcmd(buf); tot -= e-buf; memmove(buf, e, tot); } if(tot >= sizeof(buf)-1) tot = 0; } closeioproc(io); threadexitsall("connection lost"); } void netsendthread(void *arg) { char *s; int fd; fd = *(int*)arg; while(recv(egress, &s) > 0){ if(write(fd, s, strlen(s)) != strlen(s)) break; if(debug) fprint(2, "sent '%s'\n", s); free(s); } threadexitsall("connection lost"); } void usage(void) { fprint(2, "usage: %s [-da] addr\n", argv0); threadexitsall("usage"); } void threadmain(int argc, char *argv[]) { char *addr; char *user; int fd; Mousectl *mc; Keyboardctl *kc; Rune r; GEOMfmtinstall(); ARGBEGIN{ case 'd': debug++; break; case 'a': game.mode = GMPvAI; break; default: usage(); }ARGEND if(argc != 1) usage(); snprint(winspec, sizeof winspec, "-dx %d -dy %d", SCRW, SCRH); if(newwindow(winspec) < 0) sysfatal("newwindow: %r"); if(initdraw(nil, deffont, "bts") < 0) sysfatal("initdraw: %r"); if((mc = initmouse(nil, screen)) == nil) sysfatal("initmouse: %r"); if((kc = initkeyboard(nil)) == nil) sysfatal("initkeyboard: %r"); display->locking = 1; unlockdisplay(display); mctl = mc; if((user = getenv("user")) == nil) user = getuser(); snprint(uid, sizeof uid, "%s", user); screenb = eallocimage(display, rectsubpt(screen->r, screen->r.min), screen->chan, 0, DNofill); worldrf.p = Pt2(0,0,1); worldrf.bx = Vec2(1,0); worldrf.by = Vec2(0,1); titlefont = openfont(display, titlefontpath); if(titlefont == nil) sysfatal("openfont: %r"); initpalette(); inittiles(); initboards(); initarmada(); matches = newmenulist(14*font->height, "ongoing matches"); game.state = Waiting0; initsound(); proccreate(soundproc, nil, mainstacksize); addr = netmkaddr(argv[0], "tcp", "3047"); if(debug) fprint(2, "connecting to %s\n", addr); fd = dial(addr, nil, nil, nil); if(fd < 0) sysfatal("dial: %r"); else if(debug) fprint(2, "line established\n"); drawchan = chancreate(sizeof(void*), 1); ingress = chancreate(sizeof(char*), 1); egress = chancreate(sizeof(char*), 1); threadcreate(netrecvthread, &fd, mainstacksize); threadcreate(netsendthread, &fd, mainstacksize); nbsend(drawchan, nil); enum { MOUSE, RESIZE, KEYS, DRAW, NONE }; Alt a[] = { [MOUSE] {mc->c, &mc->Mouse, CHANRCV}, [RESIZE] {mc->resizec, nil, CHANRCV}, [KEYS] {kc->c, &r, CHANRCV}, [DRAW] {drawchan, nil, CHANRCV}, [NONE] {nil, nil, CHANEND} }; for(;;) switch(alt(a)){ case MOUSE: mouse(mc); break; case RESIZE: resize(); break; case KEYS: key(r); break; case DRAW: redraw(); break; default: sysfatal("input thread interrupted"); } }