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 fldb[FLDH][FLDW];
  47 byte fldf[FLDH][FLDW];
  48 byte fld[FLDH][FLDW];
  49
  50 void W_init (void) {
  51   DOT_init();
  52   SMK_init();
  53   FX_init();
  54   WP_init();
  55   IT_init();
  56   SW_init();
  57   PL_init();
  58   MN_init();
  59   R_loadsky(1);
  60 }
  61
  62 static void unpack (void *buf, int len, void *obuf) {
  63   int i = 0;
  64   int j = 0;
  65   unsigned char *p = buf;
  66   unsigned char *q = obuf;
  67   while (i < len) {
  68     int id = p[i];
  69     int step = 1;
  70     i += 1;
  71     if (id == 0xff) {
  72       step = p[i] | p[i + 1] << 8;
  73       id = p[i + 2];
  74       i += 3;
  75     }
  76     memset(&q[j], id, step);
  77     j += step;
  78   }
  79 }
  80
  81 int W_load (FILE *h) {
  82   int i;
  83   char s[8];
  84   void *p, *buf;
  85   switch (blk.t) {
  86   case MB_WALLNAMES:
  87     R_begin_load();
  88     memset(walf, 0, sizeof(walf));
  89     for (i = 1; i < 256 && blk.sz > 0; i++, blk.sz -= 9) {
  90       myfread(s, 8, 1, h);
  91       walf[i] = myfread8(h) ? 1 : 0; // ???
  92       R_load(s);
  93       if (strncasecmp(s, "VTRAP01", 8) == 0) {
  94         walf[i] |= 2;
  95       }
  96     }
  97     R_end_load();
  98     return 1;
  99   case MB_BACK:
 100     p = fldb;
 101     goto unp;
 102   case MB_WTYPE:
 103     p = fld;
 104     goto unp;
 105   case MB_FRONT:
 106     p = fldf;
 107   unp:
 108     switch (blk.st) {
 109       case 0:
 110         myfread(p, FLDW * FLDH, 1, h);
 111         break;
 112       case 1:
 113         buf = malloc(blk.sz);
 114         if (buf == NULL) {
 115           ERR_fatal("Не хватает памяти");
 116         }
 117         myfread(buf, blk.sz, 1, h);
 118         unpack(buf, blk.sz, p);
 119         free(buf);
 120         break;
 121       default:
 122         return 0;
 123     }
 124     return 1;
 125   case MB_SKY:
 126     sky_type = myfread16(h);
 127     R_loadsky(sky_type);
 128     return 1;
 129   }
 130   return 0;
 131 }