ref: 38de7eaca1fa15e005bc0065adc7019dfaedae38
dir: /fs.c/
#include "quakedef.h" u16int crcn; char fsdir[Nfspath]; char *fs_lmpfrom; typedef struct Lump Lump; typedef struct Pak Pak; typedef struct Paklist Paklist; enum{ Npakhdr = 4+4+4, Npaksz = 56+4+4, Npaklmp = 2048, Npak0lmp = 339, Npak0crc = 0x80d5, Fhunk = 0, Fcache, Fstack }; struct Lump{ char f[Npath]; int ofs; int len; }; struct Pak{ char f[Nfspath]; Lump *l; Lump *e; }; struct Paklist{ char f[Nfspath]; Pak *p; Paklist *pl; }; static Paklist *pkl; static u16int pop[] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x6600, 0x0000, 0x0000, 0x0000, 0x6600, 0x0000, 0x0000, 0x0066, 0x0000, 0x0000, 0x0000, 0x0000, 0x0067, 0x0000, 0x0000, 0x6665, 0x0000, 0x0000, 0x0000, 0x0000, 0x0065, 0x6600, 0x0063, 0x6561, 0x0000, 0x0000, 0x0000, 0x0000, 0x0061, 0x6563, 0x0064, 0x6561, 0x0000, 0x0000, 0x0000, 0x0000, 0x0061, 0x6564, 0x0064, 0x6564, 0x0000, 0x6469, 0x6969, 0x6400, 0x0064, 0x6564, 0x0063, 0x6568, 0x6200, 0x0064, 0x6864, 0x0000, 0x6268, 0x6563, 0x0000, 0x6567, 0x6963, 0x0064, 0x6764, 0x0063, 0x6967, 0x6500, 0x0000, 0x6266, 0x6769, 0x6a68, 0x6768, 0x6a69, 0x6766, 0x6200, 0x0000, 0x0062, 0x6566, 0x6666, 0x6666, 0x6666, 0x6562, 0x0000, 0x0000, 0x0000, 0x0062, 0x6364, 0x6664, 0x6362, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0062, 0x6662, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0061, 0x6661, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x6500, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x6400, 0x0000, 0x0000, 0x0000 }; /* this is a 16 bit, non-reflected CRC using the polynomial 0x1021 and the * initial and final xor values shown below; in other words, the CCITT standard * CRC used by XMODEM */ enum{ Ncrc0 = 0xffff, Nxor = 0 }; static u16int crct[] ={ 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0 }; static int notid1; static int loadsize; static byte *loadbuf; static mem_user_t *loadcache; static FILE *demobf; static s64int demoofs; #define GBIT32(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) #define PBIT32(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24 void crc(u8int v) { crcn = crcn << 8 ^ crct[crcn >> 8 ^ v]; } void initcrc(void) { crcn = Ncrc0; } char * ext(char *f, char *e) { return strrchr(f, '.') > strrchr(f, '/') ? "" : e; } void radix(char *f, char *d) { char *s, *e; s = strrchr(f, '/'); e = strrchr(f, '.'); if(s == nil) s = f; s++; if(e - s < 1) strcpy(d, "?model?"); else{ strncpy(d, s, e - s); d[e - s] = 0; } } static void path(void) { Paklist *pl; for(pl=pkl; pl!=nil; pl=pl->pl) if(pl->p) Con_Printf(va("%s (%zd files)\n", pl->p->f, pl->p->e - pl->p->l)); else Con_Printf("%s\n", pl->f); } static char fline[8192]; static int flinelen; static char * frdline(FILE *bf) { char *s; flinelen = 0; if((s = fgets(fline, sizeof(fline), bf)) != nil) flinelen = strlen(fline); return s; } static char * frdlinedup(FILE *bf) { char *s; if((s = frdline(bf)) != nil){ if(flinelen > 0 && s[flinelen-1] == '\n') s[flinelen-1] = 0; s = strdup(s); } return s; } static long eread(FILE *bf, void *u, long n) { if((long)fread(u, 1, n, bf) != n) fatal("eread: short read: eof=%d error=%d", feof(bf), ferror(bf)); return n; } static u8int get8(FILE *bf) { u8int v; eread(bf, &v, 1); return v; } static u16int get16(FILE *bf) { u16int v; v = get8(bf); return v | get8(bf) << 8; } static u32int get32(FILE *bf) { u32int v; v = get16(bf); return v | get16(bf) << 16; } static float getfl(FILE *bf) { union{ float v; u32int u; } u; u.u = get32(bf); return u.v; } static u16int get16b(FILE *bf) { u16int v; v = get8(bf); return v << 8 | get8(bf); } static void ewrite(FILE *bf, void *u, long n) { if((long)fwrite(u, 1, n, bf) != n) fatal("ewrite: short write: %s", lerr()); } static void put32(FILE *bf, u32int v) { byte u[4]; PBIT32(u, v); ewrite(bf, u, 4); } static void putfl(FILE *bf, float v) { union{ float v; u32int u; } w; w.v = v; put32(bf, w.u); } static s64int bsize(FILE *bf) { s64int o, n; o = ftell(bf); fseek(bf, 0, SEEK_END); n = ftell(bf); fseek(bf, o, SEEK_SET); return n; } static int mkpath(char *path) { char *d; int r; d = path; if(d == nil || *d == 0){ werrstr("mkpath: invalid path"); return -1; } if(*d == '/') d++; while(*d != 0){ if(*d == '/'){ *d = 0; if((r = sys_mkdir(path)) != 0) werrstr("mkpath: %s: %s", path, lerr()); *d = '/'; if(r < 0) return -1; } d++; } if(sys_mkdir(path) < 0){ werrstr("mkpath: %s: %s", path, lerr()); return -1; } return 0; } FILE * createfile(char *path) { char *s; int r; path = va("%s/%s", fsdir, path); if((s = strrchr(path, '/')) != nil){ *s = 0; r = mkpath(path); *s = '/'; if(r != 0) return nil; } return fopen(path, "wb"); } void removefile(char *path) { remove(va("%s/%s", fsdir, path)); } static void closelmp(FILE *bf) { fclose(bf); } FILE * openlmp(char *f, int *len) { char d[Nfspath+1]; FILE *bf; Paklist *pl; Pak *p; Lump *l; fs_lmpfrom = nil; for(pl = pkl; pl != nil; pl = pl->pl){ snprint(d, sizeof(d), "%s/%s", pl->f, f); if((bf = fopen(d, "rb")) != nil){ if(len != nil) *len = bsize(bf); fs_lmpfrom = pl->f; return bf; } if((p = pl->p) == nil) continue; for(l = p->l; l < p->e; l++){ if(strcmp(l->f, f) != 0) continue; if((bf = fopen(p->f, "rb")) == nil) break; fseek(bf, l->ofs, SEEK_SET); if(len != nil) *len = l->len; fs_lmpfrom = pl->f; return bf; } } werrstr("openlmp %s: not found", f); return nil; } static byte * loadlmp(char *f, int mth, int *n) { int m; char r[32]; byte *buf; FILE *bf; bf = openlmp(f, &m); if(bf == nil) return nil; radix(f, r); buf = nil; switch(mth){ case Fhunk: buf = Hunk_Alloc(m + 1); break; case Fcache: buf = Cache_Alloc(loadcache, m + 1); break; case Fstack: buf = m + 1 <= loadsize ? loadbuf : Hunk_TempAlloc(m + 1); break; } if(buf == nil) fatal("loadlmp %s %d: memory allocation failed: %s", f, m + 1, lerr()); buf[m] = 0; eread(bf, buf, m); closelmp(bf); if(n != nil) *n = m; return buf; } void * loadhunklmp(char *f, int *n) { return loadlmp(f, Fhunk, n); } void * loadcachelmp(char *f, mem_user_t *c) { loadcache = c; loadlmp(f, Fcache, nil); return c->data; } void * loadstklmp(char *f, void *buf, int nbuf, int *n) { loadbuf = buf; loadsize = nbuf; return loadlmp(f, Fstack, n); } void loadpoints(void) { int i, n, nv; FILE *bf; vec3_t v3; vec_t *v; particle_t *p; bf = openlmp(va("maps/%s.pts", sv.name), &n); if(bf == nil){ Con_Printf(va("loadpoints: %s\n", lerr())); return; } nv = 0; for(;;){ if(n < 3*4+3) break; for(i=0, v=v3; i<3; i++){ *v++ = getfl(bf); fseek(bf, 1, SEEK_CUR); } n -= 3*4+3; nv++; if(free_particles == nil){ Con_Printf("loadpoints: insufficient free particles\n"); break; } p = free_particles; free_particles = p->next; p->next = active_particles; active_particles = p; p->die = Q_MAXFLOAT; p->color = q1pal[(byte)(-nv & 15)]; p->type = pt_static; VectorCopy(vec3_origin, p->vel); VectorCopy(v3, p->org); } closelmp(bf); Con_Printf("loadpoints: %d points read\n", nv); } static void dumpcvars(FILE *bf) { cvar_t *c; for(c=cvar_vars; c!=nil; c=c->next) if(c->archive) if(fprintf(bf, "%s \"%s\"\n", c->name, c->string) < 0) fatal("dumpcvars: %s", lerr()); } static void dumpkeys(FILE *bf) { char **k; for(k=keybindings; k<keybindings+256; k++) if(*k != nil && **k != 0) fprintf(bf, "bind \"%s\" \"%s\"\n", Key_KeynumToString(k-keybindings), *k); } void dumpcfg(void) { FILE *bf; if(!host_initialized) return; bf = fopen(va("%s/config.cfg", fsdir), "wb"); if(bf == nil){ Con_DPrintf("dumpcfg: %s\n", lerr()); return; } dumpkeys(bf); dumpcvars(bf); fclose(bf); } void savnames(void) { int n, *canld; char (*e)[Nsavcm], (*s)[Nsavcm], *p; FILE *bf; s = savs; canld = savcanld; for(n=0, e=savs+Nsav; s<e; n++, s++, canld++){ *canld = 0; memset(*s, 0, sizeof *s); strcpy(*s, "--- UNUSED SLOT ---"); bf = fopen(va("%s/s%d.sav", fsdir, n), "rb"); if(bf == nil){ Con_DPrintf("savnames: %s\n", lerr()); continue; } if((p = frdline(bf), p == nil) /* discard version */ || (p = frdline(bf), p == nil)){ Con_DPrintf("savnames: short read: %s\n", lerr()); continue; } strncpy(*s, p, sizeof(*s)-1); for(p=*s; p<*(s+1); p++) if(*p == '_') *p = ' '; *canld = 1; fclose(bf); } } static void dumpedict(FILE *bf, pr_t *pr, edict_t *ed) { int *vp, *ve; char *s; byte *ev; ddef_t *d, *de; eval_t *v; fprintf(bf, "{\n"); if(ed->free) goto end; ev = (byte *)&ed->v; de = pr->fielddefs + pr->numfielddefs; for(d=pr->fielddefs+1; d<de; d++){ s = PR_Str(pr, d->s_name); if(s[strlen(s)-2] == '_') continue; /* TODO: pragma pack hazard */ vp = (int *)(ev + d->ofs * 4); ve = vp + type_size[d->type & ~DEF_SAVEGLOBAL]; v = (eval_t *)vp; for(; vp<ve; vp++) if(*vp != 0) break; if(vp == ve) continue; fprintf(bf, "\"%s\" ", s); fprintf(bf, "\"%s\"\n", PR_UglyValueString(pr, d->type, v)); } end: fprintf(bf, "}\n"); } static void dumpdefs(FILE *bf, pr_t *pr) { int t; ddef_t *d, *de; fprintf(bf, "{\n"); de = pr->globaldefs + pr->numglobaldefs; for(d=pr->globaldefs; d<de; d++){ t = d->type; if((t & DEF_SAVEGLOBAL) == 0) continue; t &= ~DEF_SAVEGLOBAL; if(t != ev_string && t != ev_float && t != ev_entity) continue; fprintf(bf, "\"%s\" \"%s\"\n", PR_Str(pr, d->s_name), PR_UglyValueString(pr, t, (eval_t *)&pr->globals[d->ofs])); } fprintf(bf, "}\n"); } int dumpsav(char *f, char *cm) { int i; char **s, **e; float *fs, *fe; FILE *bf; bf = fopen(f, "wb"); if(bf == nil) return -1; fprintf(bf, "%d\n%s\n", Nsavver, cm); fs = svs.clients->spawn_parms; fe = fs + nelem(svs.clients->spawn_parms); while(fs < fe) fprintf(bf, "%f\n", *fs++); fprintf(bf, "%d\n%s\n%f\n", current_skill, sv.name, sv.time); s = sv.lightstyles; e = s + nelem(sv.lightstyles); while(s < e){ fprintf(bf, "%s\n", *s != nil ? *s : "m"); s++; } dumpdefs(bf, sv.pr); for(i=0; i<sv.pr->num_edicts; i++) dumpedict(bf, sv.pr, EDICT_NUM(sv.pr, i)); fclose(bf); return 0; } static void loadedicts(FILE *bf, pr_t *pr) { int ent, c; char sb[32768], *s; edict_t *ed; ent = -1; do{ for(s=sb; s<sb+sizeof(sb)-1; s++){ c = fgetc(bf); if(c <= 0 || c == EOF) break; *s = c; if(c == '}'){ s++; break; } } if(s == sb + sizeof(sb) - 1) fatal("loadgame: buffer overflow"); *s = 0; s = COM_Parse(sb); if(com_token[0] == 0) break; if(strcmp(com_token, "{") != 0) fatal("loadgame: missing opening brace"); if(ent == -1) ED_ParseGlobals(pr, s); else{ ed = EDICT_NUM(pr, ent); /* TODO: pragma pack hazard */ memset(&ed->v, 0, pr->entityfields * 4); ed->free = 0; ED_ParseEdict(pr, s, ed); if(!ed->free) SV_LinkEdict(ed, 0); } ent++; }while(!feof(bf) && !ferror(bf)); pr->num_edicts = ent; } static int loadparms(FILE *bf, char *f) { int r; float sp[Nparms], *p; char *s, **lp; r = -1; p = sp; while(p < sp + nelem(sp)){ if(s = frdline(bf), s == nil) goto exit; *p++ = (float)strtod(s, nil); } if(s = frdline(bf), s == nil) goto exit; current_skill = (int)(strtod(s, nil) + 0.1); setcvarv("skill", (float)current_skill); if(s = frdlinedup(bf), s == nil) goto exit; CL_Disconnect_f(); SV_SpawnServer(s); free(s); if(!sv.active){ werrstr("failed to load map %s", f); goto exit; } sv.paused = 1; sv.loadgame = 1; if(s = frdline(bf), s == nil) goto exit; sv.time = strtod(s, nil); lp = sv.lightstyles; while(lp < sv.lightstyles + nelem(sv.lightstyles)){ if(s = frdlinedup(bf), s == nil) goto exit; *lp = Hunk_Alloc(strlen(s)+1); strcpy(*lp++, s); free(s); } r = 0; loadedicts(bf, sv.pr); memcpy(svs.clients->spawn_parms, sp, sizeof sp); exit: return r; } int loadsav(char *f) { int n, r; char *s; FILE *bf; bf = fopen(f, "rb"); if(bf == nil) return -1; r = -1; if(s = frdline(bf), s == nil) goto exit; n = strtol(s, nil, 10); if(n != Nsavver){ werrstr("invalid version %d", n); goto exit; } frdline(bf); r = loadparms(bf, f); exit: fclose(bf); return r; } void closedm(void) { if(demobf == nil) return; closelmp(demobf); demobf = nil; } void writedm(void) { int i; put32(demobf, net_message.cursize); for(i=0; i<3; i++) putfl(demobf, cl.viewangles[i]); ewrite(demobf, net_message.data, net_message.cursize); } int readdm(void) { int n; vec_t *f; fseek(demobf, demoofs, SEEK_SET); net_message.cursize = get32(demobf); VectorCopy(cl.mviewangles[0], cl.mviewangles[1]); for(n=0, f=cl.mviewangles[0]; n<3; n++) *f++ = getfl(demobf); if(net_message.cursize > NET_MAXMESSAGE) fatal("readdm: invalid message size %d\n", net_message.cursize); n = fread(net_message.data, 1, net_message.cursize, demobf); demoofs = ftell(demobf); if(n < 0) Con_DPrintf("readdm: bad read: %s\n", lerr()); if(n != net_message.cursize){ Con_DPrintf("readdm: short read: %s\n", lerr()); n = -1; } return n; } int loaddm(char *f) { int n; char *s; demobf = openlmp(f, &n); if(demobf == nil) return -1; s = frdline(demobf); n = flinelen - 1; if(s == nil || n < 0 || n > 11){ Con_DPrintf("loaddm: invalid trk field\n"); closelmp(demobf); return -1; } demoofs = ftell(demobf); s[n] = 0; cls.forcetrack = strtol(s, nil, 10); return 0; } int opendm(char *f, int trk) { char s[16]; demobf = fopen(f, "wb"); if(demobf == nil) return -1; sprint(s, "%d\n", trk); ewrite(demobf, s, strlen(s)); return 0; } static Pak * pak(char *f) { int n, ofs, len, nlmp; byte u[8]; FILE *bf; Lump *l; Pak *p; bf = fopen(f, "rb"); if(bf == nil) return nil; memset(u, 0, sizeof u); eread(bf, u, 4); if(memcmp(u, "PACK", 4) != 0) fatal("pak %s: invalid pak file", f); ofs = get32(bf); len = get32(bf); nlmp = len / Npaksz; if(nlmp > Npaklmp) fatal("pak %s: invalid lump number %d", f, nlmp); if(nlmp != Npak0lmp) notid1 = 1; l = Hunk_Alloc(nlmp * sizeof *l); p = Hunk_Alloc(sizeof *p); snprint(p->f, sizeof(p->f), "%s", f); p->l = l; p->e = l + nlmp; fseek(bf, ofs, SEEK_SET); initcrc(); while(l < p->e){ eread(bf, l->f, 56); for(n=0; n<56; n++) crc(l->f[n]); eread(bf, u, 8); for(n=0; n<8; n++) crc(u[n]); l->ofs = GBIT32(u); l->len = GBIT32(u+4); l++; } if(crcn != Npak0crc) notid1 = 1; fclose(bf); return p; } static void pakdir(char *d) { int n; char f[Nfspath]; Paklist *pl; Pak *p; strncpy(fsdir, d, sizeof(fsdir)-1); pl = Hunk_Alloc(sizeof *pl); strncpy(pl->f, d, sizeof(pl->f)-1); pl->pl = pkl; pkl = pl; for(n=0; ; n++){ snprint(f, sizeof f, "%s/pak%d.pak", d, n); p = pak(f); if(p == nil){ Con_DPrintf("pakdir: %s\n", lerr()); break; } pl = Hunk_Alloc(sizeof *pl); strncpy(pl->f, d, sizeof(pl->f)-1); pl->p = p; pl->pl = pkl; pkl = pl; } } static void initns(char **paths) { char **p; if(game != nil){ if(strcmp(game, "rogue") == 0){ rogue = 1; standard_quake = 0; }else if(strcmp(game, "hipnotic") == 0){ hipnotic = 1; standard_quake = 0; }else notid1 = 1; } for(p = paths; *p; p++){ pakdir(va("%s/id1", *p)); if(game != nil) pakdir(va("%s/%s", *p, game)); mkpath(fsdir); } } static void chkreg(void) { u16int *p; FILE *bf; Cvar_RegisterVariable(®istered); bf = openlmp("gfx/pop.lmp", nil); if(bf == nil){ Con_DPrintf("chkreg: shareware version\n"); if(notid1) fatal("chkreg: phase error -- %s", lerr()); return; } p = pop; while(p < pop + nelem(pop)) if(*p++ != get16b(bf)) fatal("chkreg: corrupted pop lump"); closelmp(bf); setcvar("registered", "1"); Con_DPrintf("chkreg: registered version\n"); } /* TODO: nuke these from orbit */ static short ShortSwap(short l) { byte b1,b2; b1 = l&255; b2 = (l>>8)&255; return (b1<<8) + b2; } static short ShortNoSwap(short l) { return l; } static int LongSwap(int l) { byte b1,b2,b3,b4; b1 = l&255; b2 = (l>>8)&255; b3 = (l>>16)&255; b4 = (l>>24)&255; return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; } static int LongNoSwap(int l) { return l; } static float FloatSwap(float f) { union{ float f; byte b[4]; } dat1, dat2; dat1.f = f; dat2.b[0] = dat1.b[3]; dat2.b[1] = dat1.b[2]; dat2.b[2] = dat1.b[1]; dat2.b[3] = dat1.b[0]; return dat2.f; } static float FloatNoSwap(float f) { return f; } void initfs(char **paths) { #ifdef QUAKE_LITTLE_ENDIAN BigShort = ShortSwap; LittleShort = ShortNoSwap; BigLong = LongSwap; LittleLong = LongNoSwap; BigFloat = FloatSwap; LittleFloat = FloatNoSwap; #else BigShort = ShortNoSwap; LittleShort = ShortSwap; BigLong = LongNoSwap; LittleLong = LongSwap; BigFloat = FloatNoSwap; LittleFloat = FloatSwap; #endif initns(paths); chkreg(); Cmd_AddCommand("path", path); }