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