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 extern byte clrmap[256*12];
  60 void V_remap_rect(int,int,int,int,byte *);
  61
  62 byte w_horiz=ON;
  63 void *horiz=NULL;//static void *horiz=NULL;
  64 int w_o,w_x,w_y,sky_type=1;
  65 void *walp[256];
  66 dword walf[256];
  67 int walh[256];
  68 byte walswp[256];
  69 byte walani[256];
  70 int anih[ANIT][5];
  71 byte anic[ANIT];
  72 byte fldb[FLDH][FLDW];
  73 byte fldf[FLDH][FLDW];
  74 byte fld[FLDH][FLDW];
  75
  76 extern int lt_time,lt_type,lt_side,lt_ypos;
  77 extern void *ltn[2][2];
  78
  79 static void getname (int n, char *s) {
  80   if (walh[n] == -1) {
  81     memset(s, 0, 8);
  82   } else if (walh[n] == -2) {
  83     memcpy(s, "_WATER_", 8);
  84     s[7] = (char)((intptr_t)walp[n] - 1 + '0');
  85   } else {
  86     F_getresname(s, walh[n] & 0x7FFF);
  87   }
  88 }
  89
  90 static short getani(char *n) {
  91   if(strncasecmp(n,"WALL22_1",8)==0) return 1;
  92   if(strncasecmp(n,"WALL58_1",8)==0) return 2;
  93   if(strncasecmp(n,"W73A_1",8)==0) return 3;
  94   if(strncasecmp(n,"RP2_1",8)==0) return 4;
  95   return 0;
  96 }
  97
  98 void W_savegame(FILE* h) {
  99   char s[8];
 100   int i;
 101   myfwrite32(sky_type, h);
 102   for(i = 1; i < 256; ++i) {
 103     getname(i, s);
 104     myfwrite(s, 8, 1, h);
 105   }
 106   for (i = 0; i < 256; i++) {
 107     myfwrite32(walf[i], h);
 108   }
 109   for (i = 0; i < 256; i++) {
 110     myfwrite8(walswp[i], h);
 111   }
 112   myfwrite(fldb, FLDW*FLDH, 1, h);
 113   myfwrite(fld, FLDW*FLDH, 1, h);
 114   myfwrite(fldf, FLDW*FLDH, 1, h);
 115 }
 116
 117 void W_loadgame(FILE* h) {
 118   char s[8];
 119   int i;
 120   sky_type = myfread32(h);
 121   for (i = 1; i < 256; ++i) {
 122     walani[i]=0;
 123     myfread(s, 8, 1, h);
 124     if (!s[0]) {
 125       walh[i] = -1;
 126       walp[i] = NULL;
 127     } else {
 128       walani[i] = getani(s);
 129       if (strncasecmp(s, "_WATER_", 7) == 0) {
 130         walh[i] = -2;
 131         walp[i] = (void*)((intptr_t)s[7] - '0' + 1);
 132       } else {
 133         walh[i] = F_getresid(s);
 134         walp[i] = V_getvgaimg(walh[i]);
 135       }
 136     }
 137   }
 138   for (i = 0; i < 256; i++) {
 139     walf[i] = myfread32(h);
 140     if (i > 0 && walf[i] & 1) {
 141       walh[i] |= 0x8000;
 142     }
 143   }
 144   for (i = 0; i < 256; i++) {
 145     walswp[i] = myfread8(h);
 146   }
 147   myfread(fldb, FLDW*FLDH, 1, h);
 148   myfread(fld, FLDW*FLDH, 1, h);
 149   myfread(fldf, FLDW*FLDH, 1, h);
 150   strcpy(s, "RSKY1");
 151   s[4] = '0' + sky_type;
 152   M_unlock(horiz);
 153   horiz = V_loadvgaimg(s);
 154 }
 155
 156 void W_init(void) {
 157   int i,j;
 158   static char *anm[ANIT-1][5]={
 159     {"WALL22_1","WALL23_1","WALL23_2",NULL,NULL},
 160     {"WALL58_1","WALL58_2","WALL58_3",NULL,NULL},
 161     {"W73A_1","W73A_2",NULL,NULL,NULL},
 162     {"RP2_1","RP2_2","RP2_3","RP2_4",NULL}
 163   };
 164
 165   for(i=1;i<ANIT;++i) {
 166     for(j=0;anm[i-1][j];++j)
 167       anih[i][j]=F_getresid(anm[i-1][j]);
 168     for(;j<5;++j) anih[i][j]=-1;
 169   }
 170   memset(anic,0,sizeof(anic));
 171   DOT_init();
 172   SMK_init();
 173   FX_init();
 174   WP_init();
 175   IT_init();
 176   SW_init();
 177   PL_init();
 178   MN_init();
 179   M_unlock(horiz);
 180   horiz=V_loadvgaimg("RSKY1");
 181
 182   free_chunks();
 183 }
 184
 185 void W_act(void) {
 186   int i,a;
 187
 188   if(g_time%3!=0) return;
 189   for(i=1;i<256;++i) if((a=walani[i])!=0) {
 190     if(anih[a][++anic[a]]==-1) anic[a]=0;
 191     walp[i]=V_getvgaimg(anih[a][anic[a]]);
 192   }
 193 }
 194
 195 /*
 196 static void unpack(void *buf,int len,void *obuf) {
 197   byte *p,*o;
 198   int l,n;
 199
 200   for(p=(byte*)buf,o=(byte*)obuf,l=len;l;++p,--l) if(*p==255) {
 201     n=*((word*)(++p));memset(o,*(p+=2),n);o+=n;l-=3;
 202   }else *(o++)=*p;
 203 }
 204 */
 205
 206 static void unpack(void *buf, int len, void *obuf) {
 207   int i = 0;
 208   int j = 0;
 209   unsigned char *p = buf;
 210   unsigned char *q = obuf;
 211   while (i < len) {
 212     int id = p[i];
 213     int step = 1;
 214     i += 1;
 215     if (id == 0xff) {
 216       step = p[i] | p[i + 1] << 8;
 217       id = p[i + 2];
 218       i += 3;
 219     }
 220     memset(&q[j], id, step);
 221     j += step;
 222   }
 223 }
 224
 225 int W_load (FILE *h) {
 226   int i, j, k, g;
 227   void *p, *buf;
 228   wall_t w;
 229   switch (blk.t) {
 230   case MB_WALLNAMES:
 231           for (i = 0; i < 256; ++i) {
 232       walh[i] = -1;
 233       walswp[i] = i;
 234       walani[i] = 0;
 235     }
 236           for (i = 1; i < 256 && blk.sz > 0; ++i, blk.sz -= 9) {
 237       myfread(w.n, 8, 1, h);
 238       w.t = myfread8(h);
 239       if (strncasecmp(w.n, "_WATER_", 7) == 0) {
 240         walp[i] = (void*)((intptr_t)w.n[7] - '0' + 1);
 241         walh[i] = -2;
 242       } else {
 243         walh[i] = F_getresid(w.n);
 244         walp[i] = V_getvgaimg(walh[i]);
 245         if (w.n[0] == 'S' && w.n[1] == 'W' && w.n[4] == '_') {
 246           walswp[i] = 0;
 247         }
 248         walf[i] = w.t ? 1 : 0;
 249         if (w.t) {
 250           walh[i] |= 0x8000;
 251         }
 252         if (strncasecmp(w.n, "VTRAP01", 8) == 0) {
 253           walf[i] |= 2;
 254         }
 255         walani[i] = getani(w.n);
 256       }
 257           }
 258           for (j = i, i = 1; i < 256 && j < 256; ++i) {
 259       if (walswp[i] == 0) {
 260         F_getresname(w.n, walh[i] & 0x7FFF);
 261         w.n[5] ^= 1;
 262         g = F_getresid(w.n) | (walh[i] & 0x8000);
 263         k = 1;
 264         while (k < 256 && walh[k] != g) {
 265           k += 1;
 266         }
 267         if(k >= 256) {
 268           k = j;
 269           j += 1;
 270           walh[k] = g;
 271           walp[k] = V_getvgaimg(g);
 272           walf[k] = g & 0x8000 ? 1 : 0;
 273         }
 274         walswp[i] = k;
 275         walswp[k] = i;
 276       }
 277     }
 278           return 1;
 279         case MB_BACK:
 280     p = fldb;
 281     goto unp;
 282         case MB_WTYPE:
 283     p = fld;
 284     goto unp;
 285         case MB_FRONT:
 286     p = fldf;
 287   unp:
 288     switch (blk.st) {
 289             case 0:
 290         myfread(p, FLDW * FLDH, 1, h);
 291         break;
 292             case 1:
 293         buf = malloc(blk.sz);
 294               if(buf == NULL) {
 295                 ERR_fatal("Не хватает памяти");
 296         }
 297               myfread(buf, blk.sz, 1, h);
 298               unpack(buf, blk.sz, p);
 299         free(buf);
 300         break;
 301             default:
 302         return 0;
 303           }
 304     return 1;
 305         case MB_SKY:
 306     sky_type = myfread16(h);
 307           strcpy(w.n, "RSKY1");
 308     w.n[4] = '0' + sky_type;
 309           M_unlock(horiz);
 310           horiz = V_loadvgaimg(w.n);
 311           return 1;
 312   }
 313   return 0;
 314 }