src/files.c

   1 /*
   2    Copyright (C) Prikol Software 1996-1997
   3    Copyright (C) Aleksey Volynskov 1996-1997
   4    Copyright (C) <ARembo@gmail.com> 2011
   5
   6    This file is part of the Doom2D:Rembo project.
   7
   8    Doom2D:Rembo is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License version 2 as
  10    published by the Free Software Foundation.
  11
  12    Doom2D:Rembo is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, see <http://www.gnu.org/licenses/> or
  19    write to the Free Software Foundation, Inc.,
  20    51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  21 */
  22
  23 #include "glob.h"
  24 #include <stdio.h>
  25 //#include <conio.h>
  26 //#include <dos.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29 //#include <sys\stat.h>
  30 #include "vga.h"
  31 #include "error.h"
  32 #include "sound.h"
  33 //#include "snddrv.h"
  34 #include "memory.h"
  35 #include "view.h"
  36 #include "items.h"
  37 #include "switch.h"
  38 #include "files.h"
  39 #include "map.h"
  40
  41 #include <sys/stat.h>
  42
  43 char *S_getinfo(void);
  44
  45 extern void *snd_drv;
  46
  47 typedef struct{
  48   byte n,i,v,d;
  49 }dmv;
  50
  51 byte seq[255],seqn;
  52 dmv *pat=NULL;
  53 unsigned *patp;
  54 void **dmi;
  55
  56 static int inum=0;
  57
  58 void G_savegame(FILE*);
  59 void W_savegame(FILE*);
  60 void DOT_savegame(FILE*);
  61 void SMK_savegame(FILE*);
  62 void FX_savegame(FILE*);
  63 void IT_savegame(FILE*);
  64 void MN_savegame(FILE*);
  65 void PL_savegame(FILE*);
  66 void SW_savegame(FILE*);
  67 void WP_savegame(FILE*);
  68
  69 void G_loadgame(FILE*);
  70 void W_loadgame(FILE*);
  71 void DOT_loadgame(FILE*);
  72 void SMK_loadgame(FILE*);
  73 void FX_loadgame(FILE*);
  74 void IT_loadgame(FILE*);
  75 void MN_loadgame(FILE*);
  76 void PL_loadgame(FILE*);
  77 void SW_loadgame(FILE*);
  78 void WP_loadgame(FILE*);
  79
  80 byte savname[7][24],savok[7];
  81
  82 int d_start,d_end,m_start,m_end,s_start,s_end,wad_num;
  83 mwad_t wad[MAX_WAD];
  84
  85 char wads[MAX_WADS][__MAX_PATH];
  86 static FILE* wadh[MAX_WADS];
  87
  88 char f_drive[__MAX_DRIVE],f_dir[__MAX_DIR],f_name[__MAX_FNAME],f_ext[__MAX_EXT],
  89   f_path[__MAX_PATH];
  90
  91 void F_startup(void) {
  92   logo("F_startup: настройка файловой системы\n");
  93   memset(wads,0,sizeof(wads));
  94 }
  95
  96 char *getsavfpname(int n, int ro)
  97 {
  98   static char fn[]="savgame0.dat";
  99   fn[7]=n+'0';
 100 #ifndef WIN32
 101   static char p[100];
 102   char *e = getenv("HOME");
 103   strncpy(p,e,60);
 104   strcat(p,"/.doom2d-rembo");
 105   if (!ro) mkdir(p, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
 106   strcat(p,"/");
 107   strcat(p,fn);
 108 #else
 109   strcpy(p,fn);
 110 #endif
 111   return p;
 112 }
 113
 114 void F_getsavnames(void) {
 115
 116   int i; FILE *h;
 117   short ver;
 118   char *p;
 119
 120   for(i=0;i<7;++i) {
 121     p = getsavfpname(i,1);
 122     memset(savname[i],0,24);savok[i]=0;
 123     if((h=fopen(p,"rb"))==NULL) continue; //if((h=open(n,O_RDONLY|O_BINARY))==-1) continue;
 124     myfread(savname[i],1,24,h);ver=-1;myfread(&ver,1,2,h);
 125     fclose(h);savname[i][23]=0;savok[i]=(ver==3)?1:0;//savok[i]=(ver==2)?1:0;
 126   }
 127 }
 128
 129 void F_savegame(int n,char *s) {
 130
 131   FILE* h;
 132   char *p;
 133   p=getsavfpname(n,0);
 134   if((h=fopen(p,"wb"))==NULL) return;
 135   myfwrite(s,1,24,h);myfwrite("\3\0",1,2,h);//myfwrite("\2\0",1,2,h);
 136   G_savegame(h);
 137   W_savegame(h);
 138   DOT_savegame(h);
 139   SMK_savegame(h);
 140   FX_savegame(h);
 141   IT_savegame(h);
 142   MN_savegame(h);
 143   PL_savegame(h);
 144   SW_savegame(h);
 145   WP_savegame(h);
 146   fclose(h);
 147 }
 148
 149 void F_loadgame(int n) {
 150   FILE* h;
 151   short ver;
 152   char *p;
 153   p=getsavfpname(n,1);
 154
 155   if((h=fopen(p,"rb"))==NULL) return;//if((h=open(fn,O_BINARY|O_RDONLY))==-1) return;
 156   fseek(h,24,SEEK_SET);myfread(&ver,1,2,h);if(ver!=3) return;//if(ver!=2) return;
 157   G_loadgame(h);
 158   W_loadgame(h);
 159   DOT_loadgame(h);
 160   SMK_loadgame(h);
 161   FX_loadgame(h);
 162   IT_loadgame(h);
 163   MN_loadgame(h);
 164   PL_loadgame(h);
 165   SW_loadgame(h);
 166   WP_loadgame(h);
 167   fclose(h);
 168 }
 169
 170 void F_addwad(char *fn) {
 171   int i;
 172
 173   for(i=0;i<MAX_WADS;++i) if(wads[i][0]==0) {
 174     strcpy(wads[i],fn);return;
 175   }
 176   ERR_failinit("Не могу добавить WAD %s",fn);
 177 }
 178
 179
 180 int myfilelength(FILE *h)
 181 {
 182     int pos = ftell(h);
 183     fseek (h, 0, SEEK_END);
 184     int len = ftell(h);
 185     fseek (h, pos, SEEK_SET);
 186     return len;
 187 }
 188
 189 extern void mysplitpath(const char* path, char* drv, char* dir, char* name, char* ext);
 190
 191 // build wad directory
 192 void F_initwads(void) {
 193   int i,j,k,p;
 194   FILE *h;
 195   char s[4];
 196   int n,o;
 197   wad_t w;
 198
 199   logo("F_initwads: подключение WAD-файлов\n");
 200   for(i=0;i<MAX_WAD;++i) wad[i].n[0]=0;
 201   logo("   подключается  %s\n",wads[0]);
 202   if((wadh[0]=h=fopen(wads[0],"rb"))==NULL)//if((wadh[0]=h=open(wads[0],O_RDWR|O_BINARY))==-1)
 203         ERR_failinit("Не могу открыть файл: %s",wads[0]);//sys_errlist[errno]);
 204   *s=0;myfread(s,1,4,h);
 205   if(strncmp(s,"IWAD",4)!=0 && strncmp(s,"PWAD",4)!=0)
 206         ERR_failinit("Нет подписи IWAD или PWAD");
 207   myfread(&n,1,4,h);myfread(&o,1,4,h);fseek(h,o,SEEK_SET);
 208   for(j=0,p=0;j<n;++j) {
 209         myfread(&w,1,16,h);
 210         if(p>=MAX_WAD) ERR_failinit("Слишком много элементов WAD'а");
 211         memcpy(wad[p].n,w.n,8);
 212         wad[p].o=w.o;wad[p].l=w.l;wad[p].f=0;
 213         ++p;
 214   }
 215   //fclose(h);
 216   for(i=1;i<MAX_WADS;++i) if(wads[i][0]!=0) {
 217
 218         logo("  подключается %s\n",wads[i]);
 219         if((wadh[i]=h=fopen(wads[i], "rb"))==NULL) //if((wadh[i]=h=open(wads[i],O_RDONLY|O_BINARY))==-1)
 220           ERR_failinit("Не могу открыть файл2:  %s",wads[i]);//sys_errlist[errno]);
 221         mysplitpath(wads[i],f_drive,f_dir,f_name,f_ext);
 222         if(strcasecmp(f_ext,".lmp")==0) {
 223           for(k=0;k<MAX_WAD;++k) if(strncasecmp(wad[k].n,f_name,8)==0)
 224                 {wad[k].o=0L;wad[k].l=myfilelength(h);wad[k].f=i;break;}
 225           if(k>=MAX_WAD) {
 226                 if(p>=MAX_WAD) ERR_failinit("Слишком много элементов WAD'а");
 227                 memset(wad[p].n,0,8);
 228                 strncpy(wad[p].n,f_name,8);
 229                 wad[p].o=0L;wad[p].l=myfilelength(h);wad[p].f=i;
 230                 ++p;
 231           }
 232           continue;
 233         }
 234         *s=0;myfread(s,1,4,h);
 235         if(strncmp(s,"IWAD",4)!=0 && strncmp(s,"PWAD",4)!=0)
 236           ERR_failinit("Нет подписи IWAD или PWAD");
 237     myfread(&n,1,4,h);myfread(&o,1,4,h);fseek(h,o,SEEK_SET);
 238     for(j=0;j<n;++j) {
 239           myfread(&w,1,16,h);
 240           for(k=0;k<MAX_WAD;++k) if(strncasecmp(wad[k].n,w.n,8)==0)
 241                 {wad[k].o=w.o;wad[k].l=w.l;wad[k].f=i;break;}
 242           if(k>=MAX_WAD) {
 243                 if(p>=MAX_WAD) ERR_failinit("Слишком много элементов WAD'а");
 244                 memcpy(wad[p].n,w.n,8);
 245                 wad[p].o=w.o;wad[p].l=w.l;wad[p].f=i;
 246                 ++p;
 247       }
 248     }
 249   }
 250   wad_num=p;
 251
 252 }
 253
 254 // allocate resources
 255 // (called from M_startup)
 256 void F_allocres(void) {
 257   d_start=F_getresid("D_START");
 258   d_end=F_getresid("D_END");
 259   m_start=F_getresid("M_START");
 260   m_end=F_getresid("M_END");
 261   s_start=F_getresid("S_START");
 262   s_end=F_getresid("S_END");
 263 }
 264
 265 // load resource
 266 void F_loadres(int r,void *p,dword o,dword l) {
 267
 268   int oo;
 269   FILE *fh;
 270
 271
 272   oo=ftell(fh=wadh[wad[r].f]);
 273
 274   if(fseek(fh,wad[r].o+o,SEEK_SET)!=0)
 275     ERR_fatal("Ошибка при чтении файла");
 276
 277   if((dword)myfreadc(p,1,l,fh)!=l)
 278     ERR_fatal("Ошибка при загрузке ресурса %.8s",wad[r].n);
 279
 280   fseek(fh,oo,SEEK_SET);
 281
 282 }
 283
 284
 285 void F_saveres(int r,void *p,dword o,dword l) {
 286
 287   int oo;
 288  FILE* fh;
 289   oo=ftell(fh=wadh[wad[r].f]);
 290   if(fseek(fh,wad[r].o+o,SEEK_SET)!=0)
 291     ERR_fatal("Ошибка при чтении файла");
 292   myfwrite(p,l,1,fh);
 293   fseek(fh,oo,SEEK_SET);
 294
 295 }
 296
 297 // get resource id
 298 int F_getresid(char *n) {
 299   int i;
 300
 301   for(i=0;i<wad_num;++i) if(strncasecmp(wad[i].n,n,8)==0) return i;
 302     ERR_fatal("F_getresid: ресурс %.8s не найден",n);
 303   return -1;
 304 }
 305
 306 // get resource id
 307 int F_findres(char *n) {
 308   int i;
 309
 310   for(i=0;i<wad_num;++i) if(strncasecmp(wad[i].n,n,8)==0) return i;
 311   return -1;
 312 }
 313
 314 void F_getresname(char *n,int r) {
 315   memcpy(n,wad[r].n,8);
 316 }
 317
 318 // get sprite id
 319 int F_getsprid(char n[4],int s,int d) {
 320   int i;
 321   byte a,b;
 322
 323   s+='A';d+='0';
 324   for(i=s_start+1;i<s_end;++i)
 325     if(strncasecmp(wad[i].n,n,4)==0 && (wad[i].n[4]==s || wad[i].n[6]==s)) {
 326       if(wad[i].n[4]==s) a=wad[i].n[5]; else a=0;
 327       if(wad[i].n[6]==s) b=wad[i].n[7]; else b=0;
 328       if(a=='0') return i;
 329       if(b=='0') return(i|0x8000);
 330       if(a==d) return i;
 331       if(b==d) return(i|0x8000);
 332     }
 333   ERR_fatal("F_getsprid: изображение %.4s%c%c не найдено",n,(byte)s,(byte)d);
 334   return -1;
 335 }
 336
 337 int F_getreslen(int r) {
 338   return wad[r].l;
 339 }
 340
 341 void F_nextmus(char *s) {
 342   int i;
 343   i=F_findres(s);
 344   if(i<=m_start || i>=m_end) i=m_start;
 345   for(++i;;++i) {
 346     if(i>=m_end) i=m_start+1;
 347
 348     if (strcasecmp(wad[i].n,"MENU") == 0 ||
 349         strcasecmp(wad[i].n,"INTERMUS") == 0 ||
 350         strcasecmp(wad[i].n,"\x8a\x8e\x8d\x85\x96\x0") == 0)
 351         continue;
 352
 353     if(strncasecmp(wad[i].n,"DMI",3)!=0) break;
 354   }
 355   memcpy(s,wad[i].n,8);
 356 }
 357
 358 void F_randmus(char *s) {
 359    int n = myrand(10);
 360    int i;
 361    for (i=0; i<n; i++) {
 362        F_nextmus(s);
 363    }
 364 }
 365
 366 // reads bytes from file until CR
 367 void F_readstr(FILE* h,char *s,int m) {
 368   int i;
 369   static char c;
 370
 371   for(i=0;;) {
 372     c=13;
 373     myfreadc(&c,1,1,h);
 374     if(c==13) break;
 375     if(i<m) s[i++]=c;
 376   }
 377   s[i]=0;
 378 }
 379
 380 // reads bytes from file until NUL
 381 void F_readstrz(FILE* h,char *s,int m) {
 382   int i;
 383   static char c;
 384
 385   for(i=0;;) {
 386     c=0;
 387     myfreadc(&c,1,1,h);
 388     if(c==0) break;
 389     if(i<m) s[i++]=c;
 390   }
 391   s[i]=0;
 392 }
 393
 394 map_block_t blk;
 395
 396 void F_loadmap(char n[8]) {
 397
 398   int r;
 399   FILE *h;
 400   map_header_t hdr;
 401   int o;
 402
 403   W_init();
 404   r=F_getresid(n);
 405   fseek(h=wadh[wad[r].f],wad[r].o,SEEK_SET);
 406   myfread(&hdr,1,sizeof(hdr),h);
 407   if(memcmp(hdr.id,"Doom2D\x1A",8)!=0)
 408         ERR_fatal("%.8s не является уровнем",n);
 409   for(;;) {
 410         myfread(&blk,1,sizeof(blk),h);
 411         if(blk.t==MB_END) break;
 412         if(blk.t==MB_COMMENT)
 413           {fseek(h,blk.sz,SEEK_CUR);continue;}
 414         o=ftell(h)+blk.sz;
 415         if(!G_load(h))
 416         if(!W_load(h))
 417         if(!IT_load(h))
 418         if(!SW_load(h))
 419           ERR_fatal("Неизвестный блок %d(%d) в уровне %.8s",blk.t,blk.st,n);
 420         fseek(h,o,SEEK_SET);
 421   }
 422
 423 }
 424
 425 /*void F_freemus(void) {
 426
 427   int i;
 428
 429   if(!pat) return;
 430   S_stopmusic();
 431   free(pat);free(patp);
 432   for(i=0;i<inum;++i) if(dmi[i]!=NULL) free(dmi[i]);
 433   free(dmi);
 434   pat=NULL;
 435
 436 }
 437 */
 438
 439 /*void F_loadmus(char n[8]) {
 440   int r,i,j;
 441   FILE *h;
 442   int o;
 443   struct{
 444         char id[4];
 445         byte ver,pat;
 446         word psz;
 447   }d;
 448   struct{byte t;char n[13];word r;}di;
 449
 450   if((r=F_findres(n))==-1) return;
 451   fseek(h=wadh[wad[r].f],wad[r].o,SEEK_SET);
 452   myfread(&d,1,sizeof(d),h);
 453   if(memcmp(d.id,"DMM",4)!=0) return;
 454   if(!(pat=malloc(d.psz<<2))) return;
 455   myfread(pat,1,d.psz<<2,h);
 456   myfread(&seqn,1,1,h);if(seqn) myfread(seq,1,seqn,h);
 457   inum=0;myfread(&inum,1,1,h);
 458   if(!(dmi=malloc(inum*4))) {free(pat);pat=NULL;return;}
 459   if(!(patp=malloc((word)d.pat*32))) {free(pat);free(dmi);pat=NULL;return;}
 460   for(i=0;i<inum;++i) {
 461         dmi[i]=NULL;
 462         myfread(&di,1,16,h);o=ftell(h);
 463         for(r=0;r<12;++r) if(di.n[r]=='.') di.n[r]=0;
 464         if((r=F_findres(di.n))==-1) continue;
 465         if(!(dmi[i]=malloc(wad[r].l+8))) continue;
 466         memset(dmi[i],0,16);
 467         F_loadres(r,dmi[i],0,2);
 468         F_loadres(r,(int*)dmi[i]+1,2,2);
 469         F_loadres(r,(int*)dmi[i]+2,4,2);
 470         F_loadres(r,(int*)dmi[i]+3,6,2);
 471         F_loadres(r,(int*)dmi[i]+4,8,wad[r].l-8);
 472         fseek(h,o,SEEK_SET);
 473   }
 474   for(i=r=0,j=(word)d.pat<<3;i<j;++i) {
 475         patp[i]=r<<2;
 476         while(pat[r++].v!=0x80);
 477   }
 478  }
 479 */
 480