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 "memory.h"
  27 #include "files.h"
  28 #include "error.h"
  29 #include "view.h"
  30 #include "dots.h"
  31 #include "smoke.h"
  32 #include "weapons.h"
  33 #include "items.h"
  34 #include "switch.h"
  35 #include "fx.h"
  36 #include "player.h"
  37 #include "monster.h"
  38 #include "misc.h"
  39 #include "map.h"
  40 #include "sound.h"
  41 #include "my.h"
  42 #include "render.h"
  43
  44 byte w_horiz=ON;
  45 int sky_type=1;
  46 dword walf[256];
  47 byte walswp[256];
  48 byte fldb[FLDH][FLDW];
  49 byte fldf[FLDH][FLDW];
  50 byte fld[FLDH][FLDW];
  51
  52 void W_savegame (FILE* h) {
  53   char s[8];
  54   int i;
  55   myfwrite32(sky_type, h);
  56   for(i = 1; i < 256; ++i) {
  57     R_get_name(i, s);
  58     myfwrite(s, 8, 1, h);
  59   }
  60   for (i = 0; i < 256; i++) {
  61     myfwrite32(walf[i], h);
  62   }
  63   for (i = 0; i < 256; i++) {
  64     myfwrite8(walswp[i], h);
  65   }
  66   myfwrite(fldb, FLDW*FLDH, 1, h);
  67   myfwrite(fld, FLDW*FLDH, 1, h);
  68   myfwrite(fldf, FLDW*FLDH, 1, h);
  69 }
  70
  71 void W_loadgame (FILE* h) {
  72   int i;
  73   char s[256][8];
  74   sky_type = myfread32(h);
  75   R_loadsky(sky_type);
  76   for (i = 1; i < 256; ++i) {
  77     myfread(s[i], 8, 1, h);
  78   }
  79   R_begin_load();
  80   i = myfread32(h); // ignore
  81   for (i = 1; i < 256; i++) {
  82     walf[i] = myfread32(h);
  83     R_load(s[i], walf[i] & 1);
  84   }
  85   for (i = 0; i < 256; i++) {
  86     //walswp[i] = myfread8(h);
  87     (void)myfread8(h); // useless in new code
  88   }
  89   myfread(fldb, FLDW*FLDH, 1, h);
  90   myfread(fld, FLDW*FLDH, 1, h);
  91   myfread(fldf, FLDW*FLDH, 1, h);
  92   R_end_load();
  93 }
  94
  95 void W_init (void) {
  96   DOT_init();
  97   SMK_init();
  98   FX_init();
  99   WP_init();
 100   IT_init();
 101   SW_init();
 102   PL_init();
 103   MN_init();
 104   R_loadsky(1);
 105   free_chunks();
 106 }
 107
 108 static void unpack (void *buf, int len, void *obuf) {
 109   int i = 0;
 110   int j = 0;
 111   unsigned char *p = buf;
 112   unsigned char *q = obuf;
 113   while (i < len) {
 114     int id = p[i];
 115     int step = 1;
 116     i += 1;
 117     if (id == 0xff) {
 118       step = p[i] | p[i + 1] << 8;
 119       id = p[i + 2];
 120       i += 3;
 121     }
 122     memset(&q[j], id, step);
 123     j += step;
 124   }
 125 }
 126
 127 int W_load (FILE *h) {
 128   char s[8];
 129   int i, j, t;
 130   void *p, *buf;
 131   switch (blk.t) {
 132   case MB_WALLNAMES:
 133     R_begin_load();
 134     for (i = 1; i < 256 && blk.sz > 0; i++, blk.sz -= 9) {
 135       myfread(s, 8, 1, h);
 136       t = myfread8(h);
 137       R_load(s, t);
 138       if (strncasecmp(s, "VTRAP01", 8) == 0) {
 139         walf[i] |= 2;
 140       }
 141     }
 142     R_end_load();
 143     return 1;
 144   case MB_BACK:
 145     p = fldb;
 146     goto unp;
 147   case MB_WTYPE:
 148     p = fld;
 149     goto unp;
 150   case MB_FRONT:
 151     p = fldf;
 152   unp:
 153     switch (blk.st) {
 154       case 0:
 155         myfread(p, FLDW * FLDH, 1, h);
 156         break;
 157       case 1:
 158         buf = malloc(blk.sz);
 159         if (buf == NULL) {
 160           ERR_fatal("Не хватает памяти");
 161         }
 162         myfread(buf, blk.sz, 1, h);
 163         unpack(buf, blk.sz, p);
 164         free(buf);
 165         break;
 166       default:
 167         return 0;
 168     }
 169     return 1;
 170   case MB_SKY:
 171     sky_type = myfread16(h);
 172     R_loadsky(sky_type);
 173     return 1;
 174   }
 175   return 0;
 176 }