src/view.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 <string.h>
  25 #include <stdlib.h>
  26 #include "vga.h"
  27 #include "memory.h"
  28 #include "files.h"
  29 #include "error.h"
  30 #include "view.h"
  31 #include "dots.h"
  32 #include "smoke.h"
  33 #include "weapons.h"
  34 #include "items.h"
  35 #include "switch.h"
  36 #include "fx.h"
  37 #include "player.h"
  38 #include "monster.h"
  39 #include "misc.h"
  40 #include "map.h"
  41 #include "sound.h"
  42 #include "my.h"
  43
  44 #define ANIT 5
  45
  46 /*
  47 #define WD 200
  48 #define HT 98
  49
  50 #define MAXX (FLDW*CELW-WD/2)
  51 #define MAXY (FLDH*CELH-HT/2)
  52 */
  53
  54 int WD; //
  55 int HT; //
  56
  57 extern map_block_t blk;
  58
  59 void V_remap_rect(int,int,int,int,byte *);
  60
  61 byte w_horiz=ON;
  62 void *horiz=NULL;//static void *horiz=NULL;
  63 int w_o,w_x,w_y,sky_type=1;
  64 void *walp[256];
  65 dword walf[256];
  66 int walh[256];
  67 byte walswp[256];
  68 byte walani[256];
  69 int anih[ANIT][5];
  70 byte anic[ANIT];
  71 byte fldb[FLDH][FLDW];
  72 byte fldf[FLDH][FLDW];
  73 byte fld[FLDH][FLDW];
  74
  75 extern int lt_time,lt_type,lt_side,lt_ypos;
  76 extern void *ltn[2][2];
  77
  78 static void getname (int n, char *s) {
  79   if (walh[n] == -1) {
  80     memset(s, 0, 8);
  81   } else if (walh[n] == -2) {
  82     memcpy(s, "_WATER_", 8);
  83     s[7] = (char)((intptr_t)walp[n] - 1 + '0');
  84   } else {
  85     F_getresname(s, walh[n] & 0x7FFF);
  86   }
  87 }
  88
  89 static short getani(char *n) {
  90   if(strncasecmp(n,"WALL22_1",8)==0) return 1;
  91   if(strncasecmp(n,"WALL58_1",8)==0) return 2;
  92   if(strncasecmp(n,"W73A_1",8)==0) return 3;
  93   if(strncasecmp(n,"RP2_1",8)==0) return 4;
  94   return 0;
  95 }
  96
  97 void W_savegame(FILE* h) {
  98   char s[8];
  99   int i;
 100   myfwrite32(sky_type, h);
 101   for(i = 1; i < 256; ++i) {
 102     getname(i, s);
 103     myfwrite(s, 8, 1, h);
 104   }
 105   for (i = 0; i < 256; i++) {
 106     myfwrite32(walf[i], h);
 107   }
 108   for (i = 0; i < 256; i++) {
 109     myfwrite8(walswp[i], h);
 110   }
 111   myfwrite(fldb, FLDW*FLDH, 1, h);
 112   myfwrite(fld, FLDW*FLDH, 1, h);
 113   myfwrite(fldf, FLDW*FLDH, 1, h);
 114 }
 115
 116 void W_loadgame(FILE* h) {
 117   char s[8];
 118   int i;
 119   sky_type = myfread32(h);
 120   for (i = 1; i < 256; ++i) {
 121     walani[i]=0;
 122     myfread(s, 8, 1, h);
 123     if (!s[0]) {
 124       walh[i] = -1;
 125       walp[i] = NULL;
 126     } else {
 127       walani[i] = getani(s);
 128       if (strncasecmp(s, "_WATER_", 7) == 0) {
 129         walh[i] = -2;
 130         walp[i] = (void*)((intptr_t)s[7] - '0' + 1);
 131       } else {
 132         walh[i] = F_getresid(s);
 133         walp[i] = V_getvgaimg(walh[i]);
 134       }
 135     }
 136   }
 137   for (i = 0; i < 256; i++) {
 138     walf[i] = myfread32(h);
 139     if (i > 0 && walf[i] & 1) {
 140       walh[i] |= 0x8000;
 141     }
 142   }
 143   for (i = 0; i < 256; i++) {
 144     walswp[i] = myfread8(h);
 145   }
 146   myfread(fldb, FLDW*FLDH, 1, h);
 147   myfread(fld, FLDW*FLDH, 1, h);
 148   myfread(fldf, FLDW*FLDH, 1, h);
 149   strcpy(s, "RSKY1");
 150   s[4] = '0' + sky_type;
 151   M_unlock(horiz);
 152   horiz = V_loadvgaimg(s);
 153 }
 154
 155 void W_init(void) {
 156   int i,j;
 157   static char *anm[ANIT-1][5]={
 158     {"WALL22_1","WALL23_1","WALL23_2",NULL,NULL},
 159     {"WALL58_1","WALL58_2","WALL58_3",NULL,NULL},
 160     {"W73A_1","W73A_2",NULL,NULL,NULL},
 161     {"RP2_1","RP2_2","RP2_3","RP2_4",NULL}
 162   };
 163
 164   for(i=1;i<ANIT;++i) {
 165     for(j=0;anm[i-1][j];++j)
 166       anih[i][j]=F_getresid(anm[i-1][j]);
 167     for(;j<5;++j) anih[i][j]=-1;
 168   }
 169   memset(anic,0,sizeof(anic));
 170   DOT_init();
 171   SMK_init();
 172   FX_init();
 173   WP_init();
 174   IT_init();
 175   SW_init();
 176   PL_init();
 177   MN_init();
 178   M_unlock(horiz);
 179   horiz=V_loadvgaimg("RSKY1");
 180
 181   free_chunks();
 182 }
 183
 184 void W_act(void) {
 185   int i,a;
 186
 187   if(g_time%3!=0) return;
 188   for(i=1;i<256;++i) if((a=walani[i])!=0) {
 189     if(anih[a][++anic[a]]==-1) anic[a]=0;
 190     walp[i]=V_getvgaimg(anih[a][anic[a]]);
 191   }
 192 }
 193
 194 /*
 195 static void unpack(void *buf,int len,void *obuf) {
 196   byte *p,*o;
 197   int l,n;
 198
 199   for(p=(byte*)buf,o=(byte*)obuf,l=len;l;++p,--l) if(*p==255) {
 200     n=*((word*)(++p));memset(o,*(p+=2),n);o+=n;l-=3;
 201   }else *(o++)=*p;
 202 }
 203 */
 204
 205 static void unpack(void *buf, int len, void *obuf) {
 206   int i = 0;
 207   int j = 0;
 208   unsigned char *p = buf;
 209   unsigned char *q = obuf;
 210   while (i < len) {
 211     int id = p[i];
 212     int step = 1;
 213     i += 1;
 214     if (id == 0xff) {
 215       step = p[i] | p[i + 1] << 8;
 216       id = p[i + 2];
 217       i += 3;
 218     }
 219     memset(&q[j], id, step);
 220     j += step;
 221   }
 222 }
 223
 224 int W_load (FILE *h) {
 225   int i, j, k, g;
 226   void *p, *buf;
 227   wall_t w;
 228   switch (blk.t) {
 229   case MB_WALLNAMES:
 230           for (i = 0; i < 256; ++i) {
 231       walh[i] = -1;
 232       walswp[i] = i;
 233       walani[i] = 0;
 234     }
 235           for (i = 1; i < 256 && blk.sz > 0; ++i, blk.sz -= 9) {
 236       myfread(w.n, 8, 1, h);
 237       w.t = myfread8(h);
 238       if (strncasecmp(w.n, "_WATER_", 7) == 0) {
 239         walp[i] = (void*)((intptr_t)w.n[7] - '0' + 1);
 240         walh[i] = -2;
 241       } else {
 242         walh[i] = F_getresid(w.n);
 243         walp[i] = V_getvgaimg(walh[i]);
 244         if (w.n[0] == 'S' && w.n[1] == 'W' && w.n[4] == '_') {
 245           walswp[i] = 0;
 246         }
 247         walf[i] = w.t ? 1 : 0;
 248         if (w.t) {
 249           walh[i] |= 0x8000;
 250         }
 251         if (strncasecmp(w.n, "VTRAP01", 8) == 0) {
 252           walf[i] |= 2;
 253         }
 254         walani[i] = getani(w.n);
 255       }
 256           }
 257           for (j = i, i = 1; i < 256 && j < 256; ++i) {
 258       if (walswp[i] == 0) {
 259         F_getresname(w.n, walh[i] & 0x7FFF);
 260         w.n[5] ^= 1;
 261         g = F_getresid(w.n) | (walh[i] & 0x8000);
 262         k = 1;
 263         while (k < 256 && walh[k] != g) {
 264           k += 1;
 265         }
 266         if(k >= 256) {
 267           k = j;
 268           j += 1;
 269           walh[k] = g;
 270           walp[k] = V_getvgaimg(g);
 271           walf[k] = g & 0x8000 ? 1 : 0;
 272         }
 273         walswp[i] = k;
 274         walswp[k] = i;
 275       }
 276     }
 277           return 1;
 278         case MB_BACK:
 279     p = fldb;
 280     goto unp;
 281         case MB_WTYPE:
 282     p = fld;
 283     goto unp;
 284         case MB_FRONT:
 285     p = fldf;
 286   unp:
 287     switch (blk.st) {
 288             case 0:
 289         myfread(p, FLDW * FLDH, 1, h);
 290         break;
 291             case 1:
 292         buf = malloc(blk.sz);
 293               if(buf == NULL) {
 294                 ERR_fatal("Не хватает памяти");
 295         }
 296               myfread(buf, blk.sz, 1, h);
 297               unpack(buf, blk.sz, p);
 298         free(buf);
 299         break;
 300             default:
 301         return 0;
 302           }
 303     return 1;
 304         case MB_SKY:
 305     sky_type = myfread16(h);
 306           strcpy(w.n, "RSKY1");
 307     w.n[4] = '0' + sky_type;
 308           M_unlock(horiz);
 309           horiz = V_loadvgaimg(w.n);
 310           return 1;
 311   }
 312   return 0;
 313 }