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 #include "render.h"
  44
  45 int WD;
  46 int HT;
  47
  48 extern map_block_t blk;
  49
  50 byte w_horiz=ON;
  51 int w_o,w_x,w_y,sky_type=1;
  52 dword walf[256];
  53 byte walswp[256];
  54 byte fldb[FLDH][FLDW];
  55 byte fldf[FLDH][FLDW];
  56 byte fld[FLDH][FLDW];
  57
  58 extern int lt_time,lt_type,lt_side,lt_ypos;
  59 extern void *ltn[2][2];
  60
  61 void W_savegame (FILE* h) {
  62   char s[8];
  63   int i;
  64   myfwrite32(sky_type, h);
  65   for(i = 1; i < 256; ++i) {
  66     R_get_name(i, s);
  67     myfwrite(s, 8, 1, h);
  68   }
  69   for (i = 0; i < 256; i++) {
  70     myfwrite32(walf[i], h);
  71   }
  72   for (i = 0; i < 256; i++) {
  73     myfwrite8(walswp[i], h);
  74   }
  75   myfwrite(fldb, FLDW*FLDH, 1, h);
  76   myfwrite(fld, FLDW*FLDH, 1, h);
  77   myfwrite(fldf, FLDW*FLDH, 1, h);
  78 }
  79
  80 void W_loadgame (FILE* h) {
  81   int i;
  82   char s[256][8];
  83   sky_type = myfread32(h);
  84   R_loadsky(sky_type);
  85   for (i = 1; i < 256; ++i) {
  86     myfread(s[i], 8, 1, h);
  87   }
  88   R_begin_load();
  89   i = myfread32(h); // ignore
  90   for (i = 1; i < 256; i++) {
  91     walf[i] = myfread32(h);
  92     R_load(s[i], walf[i] & 1);
  93   }
  94   for (i = 0; i < 256; i++) {
  95     //walswp[i] = myfread8(h);
  96     (void)myfread8(h); // useless in new code
  97   }
  98   myfread(fldb, FLDW*FLDH, 1, h);
  99   myfread(fld, FLDW*FLDH, 1, h);
 100   myfread(fldf, FLDW*FLDH, 1, h);
 101   R_end_load();
 102 }
 103
 104 void W_init(void) {
 105   DOT_init();
 106   SMK_init();
 107   FX_init();
 108   WP_init();
 109   IT_init();
 110   SW_init();
 111   PL_init();
 112   MN_init();
 113   R_loadsky(1);
 114   free_chunks();
 115 }
 116
 117 static void unpack(void *buf, int len, void *obuf) {
 118   int i = 0;
 119   int j = 0;
 120   unsigned char *p = buf;
 121   unsigned char *q = obuf;
 122   while (i < len) {
 123     int id = p[i];
 124     int step = 1;
 125     i += 1;
 126     if (id == 0xff) {
 127       step = p[i] | p[i + 1] << 8;
 128       id = p[i + 2];
 129       i += 3;
 130     }
 131     memset(&q[j], id, step);
 132     j += step;
 133   }
 134 }
 135
 136 int W_load (FILE *h) {
 137   char s[8];
 138   int i, j, t;
 139   void *p, *buf;
 140   switch (blk.t) {
 141   case MB_WALLNAMES:
 142     R_begin_load();
 143     for (i = 1; i < 256 && blk.sz > 0; i++, blk.sz -= 9) {
 144       myfread(s, 8, 1, h);
 145       t = myfread8(h);
 146       R_load(s, t);
 147       if (strncasecmp(s, "VTRAP01", 8) == 0) {
 148         walf[i] |= 2;
 149       }
 150     }
 151     R_end_load();
 152     return 1;
 153   case MB_BACK:
 154     p = fldb;
 155     goto unp;
 156   case MB_WTYPE:
 157     p = fld;
 158     goto unp;
 159   case MB_FRONT:
 160     p = fldf;
 161   unp:
 162     switch (blk.st) {
 163       case 0:
 164         myfread(p, FLDW * FLDH, 1, h);
 165         break;
 166       case 1:
 167         buf = malloc(blk.sz);
 168         if (buf == NULL) {
 169           ERR_fatal("Не хватает памяти");
 170         }
 171         myfread(buf, blk.sz, 1, h);
 172         unpack(buf, blk.sz, p);
 173         free(buf);
 174         break;
 175       default:
 176         return 0;
 177     }
 178     return 1;
 179   case MB_SKY:
 180     sky_type = myfread16(h);
 181     R_loadsky(sky_type);
 182     return 1;
 183   }
 184   return 0;
 185 }