src/a8.c

   1 /*
   2    Copyright (C) Prikol Software 1996-1997
   3    Copyright (C) Aleksey Volynskov 1996-1997
   4
   5    This file is part of the Doom2D:Rembo project.
   6
   7    Doom2D:Rembo is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License version 2 as
   9    published by the Free Software Foundation.
  10
  11    Doom2D:Rembo is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, see <http://www.gnu.org/licenses/> or
  18    write to the Free Software Foundation, Inc.,
  19    51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20 */
  21
  22 /*
  23 #include "glob.h"
  24 #include <stdio.h>
  25 //#include <io.h>
  26 #include <fcntl.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 //#include "vga.h"
  30 #include "keyb.h"
  31 #include "error.h"
  32 #include "files.h"
  33 #include "sound.h"
  34 */
  35
  36 /*
  37 #define WAIT_SZ 400000
  38
  39 extern byte gamcor[5][64];
  40
  41 extern char cd_path[];
  42
  43 extern int gammaa;
  44 void setgamma(int);
  45
  46 extern void *cd_scr;
  47
  48 static byte skipping=0,credits=0;
  49
  50 #define A8_ID 0xA8
  51
  52 enum{
  53   A8C_ENDFR,A8C_PAL,A8C_CLRSCR,A8C_DRAW,
  54   A8C_FILL,A8C_DRAW2C,A8C_DRAW2
  55 };
  56
  57 typedef struct{
  58   unsigned char id,ver;
  59   short width,height,frames;
  60   long maxfsize;
  61   long f1size;
  62 }a8_hdr_t;
  63
  64 typedef unsigned char uchar;
  65
  66 #define SQ 4
  67
  68 static int sqw,sqh;
  69
  70 static int norm_gamma;
  71
  72 static unsigned char *frp,sqc[2][50][80];
  73 static int frame;
  74 static a8_hdr_t ah;
  75 static snd_t *strk;
  76 static int strk_ch;
  77
  78 static signed char *unpack(char *d,signed char *p,int l) {
  79   for(;l>0;) if(*p>0) {
  80     memcpy(d,p+1,*p);d+=*p;l-=*p;p+=*p+1;
  81   }else if(*p<0) {
  82     memset(d,p[1],-*p);d+=-*p;l-=-*p;p+=2;
  83   }else return p+1;
  84   return p;
  85 }
  86
  87 static unsigned char *draw(signed char *p) {
  88   int x,y,sy,yc,n;
  89
  90   for(y=0;y<sqh;) if(*p>0) {
  91     for(yc=*p++;yc;--yc,++y) for(x=0;x<sqw;) if(*p>0) {
  92       n=(*p++)*SQ;
  93       for(sy=0;sy<SQ;++sy) {
  94         p=unpack(scra+(y*SQ+sy)*320+x*SQ,p,n);
  95       }
  96       x+=n/SQ;
  97     }else x+=-*p++;
  98   }else y+=-*p++;
  99   return p;
 100 }
 101
 102 static unsigned char *fill(signed char *p) {
 103   int x,y,yc,n;
 104
 105   for(y=0;y<sqh;) if(*p>0) {
 106     for(yc=*p++;yc;--yc,++y) for(x=0;x<sqw;) if(*p>0) {
 107       for(n=*p++;n;--n,++p,++x)
 108         V_clr(x*SQ,SQ,y*SQ,SQ,*p);
 109     }else x+=-*p++;
 110   }else y+=-*p++;
 111   return p;
 112 }
 113
 114 static unsigned char *draw2c(signed char *p) {
 115   int x,y,sx,sy,yc,n;
 116   unsigned short w;
 117
 118   for(y=0;y<sqh;) if(*p>0) {
 119     for(yc=*p++;yc;--yc,++y) for(x=0;x<sqw;) if(*p>0) {
 120       for(n=*p++;n;--n,++x) {
 121         sqc[0][y][x]=*p++;
 122         sqc[1][y][x]=*p++;
 123         w=*(unsigned short*)p;p+=2;
 124         for(sy=0;sy<SQ;++sy)
 125           for(sx=0;sx<SQ;++sx,w>>=1)
 126             scra[(y*SQ+sy)*320+x*SQ+sx]=sqc[w&1][y][x];
 127       }
 128     }else x+=-*p++;
 129   }else y+=-*p++;
 130   return p;
 131 }
 132
 133 static unsigned char *draw2(signed char *p) {
 134   int x,y,sx,sy,yc,n;
 135   unsigned short w;
 136
 137   for(y=0;y<sqh;) if(*p>0) {
 138     for(yc=*p++;yc;--yc,++y) for(x=0;x<sqw;) if(*p>0) {
 139       for(n=*p++;n;--n,++x) {
 140         w=*(unsigned short*)p;p+=2;
 141         for(sy=0;sy<SQ;++sy)
 142           for(sx=0;sx<SQ;++sx,w>>=1)
 143             scra[(y*SQ+sy)*320+x*SQ+sx]=sqc[w&1][y][x];
 144       }
 145     }else x+=-*p++;
 146   }else y+=-*p++;
 147   return p;
 148 }
 149
 150 //---------------------------------------------------------------//
 151
 152 static int fsz,fdptr;
 153 static FILE *fh;
 154 static char *fdata;
 155
 156
 157 static void f_close(void) {
 158   if(fdata) {
 159     free(fdata);fdata=NULL;
 160   }else if(fh!=NULL) {fclose(fh);fh=NULL;}
 161 }
 162
 163 static char end_clr=1;
 164 */
 165
 166 void A8_close(void) {
 167 /*
 168   if(strk) if(strk_ch) S_stop(strk_ch);
 169   f_close();
 170   if(frp) {free(frp);frp=NULL;}
 171   if(strk) {free(strk);strk=NULL;}
 172   if(end_clr) {
 173     VP_fill(0,0,0);
 174     V_clr(0,320,0,200,0);V_copytoscr(0,320,0,200);
 175     setgamma(norm_gamma);
 176   }
 177 */
 178 }
 179
 180 int A8_nextframe(void) {
 181 /*
 182   unsigned char *p;
 183   int i,j,k;
 184   static int len;
 185
 186   if(credits) if(keys[0x33] && keys[0x34]) skipping=1;
 187   if(frame==-1) if(strk) strk_ch=S_play(strk,-1,1024,255);
 188     if(fdata) {
 189       len=*(int*)(fdata+fdptr);fdptr+=4;
 190     }else {len=0;myfread(&len,1,4,fh);}
 191     len-=4;
 192     if(len<=0) {
 193       A8_close();
 194       return 0;
 195     }
 196     if(fdata) {
 197       p=fdata+fdptr;fdptr+=len;
 198     }else {myfread(frp,1,len,fh);p=frp;}
 199     for(;*p;) switch(*p++) {
 200       case A8C_PAL:
 201         i=*p++;j=*p++;if(!j) j=256;
 202         for(k=0;k<j*3;++k) p[k]=gamcor[3][p[k]];
 203         VP_set(p,i,j);
 204         p+=j*3;
 205         break;
 206       case A8C_CLRSCR:
 207         V_clr(0,ah.width,0,ah.height,*p++);
 208         break;
 209       case A8C_DRAW:
 210         p=draw(p);
 211         break;
 212       case A8C_FILL:
 213         p=fill(p);
 214         break;
 215       case A8C_DRAW2C:
 216         p=draw2c(p);
 217         break;
 218       case A8C_DRAW2:
 219         p=draw2(p);
 220         break;
 221       default:
 222         ERR_fatal("Плохой блок в файле A8");
 223     }
 224     ++frame;
 225   return 1;
 226  */
 227     return 0;
 228 }
 229
 230 /*
 231 static char wscr;
 232
 233 static void wait_scr(int s) {
 234   if(!end_clr) return;
 235   if(s<WAIT_SZ) return;
 236   F_freemus();
 237   V_setrect(0,320,0,200);
 238   V_clr(0,320,0,200,0);
 239   V_copytoscr(0,320,0,200);
 240   V_pic(0,0,(void*)((char*)cd_scr+768));
 241   VP_setall(cd_scr);
 242   V_copytoscr(0,320,0,200);
 243   wscr=1;
 244 }
 245
 246 static void blank_scr(void) {
 247   VP_fill(0,0,0);
 248   V_setrect(0,320,0,200);
 249   V_clr(0,320,0,200,0);
 250   V_copytoscr(0,320,0,200);
 251 }
 252 */
 253
 254 int A8_start(char *nm) {
 255
 256 /*
 257   static char s[40];
 258   int sz;
 259   FILE* h;
 260   unsigned char *p;
 261
 262   end_clr=1;
 263   if(strcasecmp(nm,"FINAL")==0 || strcasecmp(nm,"CREDITS")==0) end_clr=0;
 264   else if(strcasecmp(nm,"KONEC")==0) end_clr=0;
 265   credits=(strcasecmp(nm,"FINAL")==0)?1:0;
 266   if(strcasecmp(nm,"CREDITS")==0) if(skipping) return 0;
 267   wscr=0;
 268   strk=NULL;strk_ch=0;
 269   fdata=NULL;frp=NULL;
 270   if(snd_type!=ST_NONE) {
 271     sprintf(s,"%sA8\\%s.SND",cd_path,nm);
 272     if((h=fopen(s,"rb"))!=NULL) {
 273       fseek(h,0,SEEK_END);sz=ftell(h);fseek(h,0,SEEK_SET);
 274       if((strk=malloc(sz+sizeof(snd_t)))!=NULL) {
 275         wait_scr(sz);
 276         myfread(strk+1,1,sz,h);
 277         strk->rate=11000;
 278         strk->len=sz;
 279         strk->lstart=strk->llen=0;
 280         for(p=(unsigned char *)(strk+1);sz;--sz,++p) *p^=0x80;
 281       }
 282       fclose(h);
 283     }
 284   }
 285   sprintf(s,"%sA8\\%s.A8",cd_path,nm);
 286   if((fh=fopen(s,"rb"))==NULL) {
 287     ERR_fatal("Не могу открыть файл %s",s);
 288   }
 289   myfread(&ah,1,sizeof(ah)-4,fh);
 290   if(ah.id!=A8_ID || ah.ver!=0) ERR_fatal("Испорченный файл A8 %s",s);
 291   fseek(fh,0,SEEK_END);
 292   fsz=ftell(fh)-sizeof(ah)+4;
 293   fseek(fh,sizeof(ah)-4,SEEK_SET);
 294   if((fdata=malloc(fsz))!=NULL) {
 295     wait_scr(fsz);
 296     myfread(fdata,1,fsz,fh);
 297     fdptr=0;
 298     fclose(fh);fh=NULL;
 299   }else if(!(frp=malloc(ah.maxfsize))) {
 300     if(strk) {free(strk);strk=NULL;}
 301     if(!(frp=malloc(ah.maxfsize))) {
 302       fclose(fh);fh=NULL;return 0;
 303     }
 304   }
 305   sqw=ah.width/SQ;sqh=ah.height/SQ;
 306   frame=-1;
 307   norm_gamma=gammaa;
 308   if(wscr) blank_scr();
 309
 310
 311   return 1;
 312 */
 313
 314     return 0;
 315 }
 316
 317 //----------//
 318 //----------//