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)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*)(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_adjust(void) {
 157   int MAXX =(FLDW*CELW-WD/2);//
 158   int MAXY =(FLDH*CELH-HT/2);//
 159
 160   if(w_x<WD/2) w_x=WD/2;
 161   if(w_y<HT/2) w_y=HT/2;
 162   if(w_x>MAXX) w_x=MAXX;
 163   if(w_y>MAXY) w_y=MAXY;
 164 }
 165
 166 void W_draw(void) {
 167   W_adjust();
 168   V_setrect(0,WD,w_o+1,HT);
 169   if(w_horiz) {
 170
 171
 172       //V_pic(127-(word)(w_x-WD/2)*56U/(word)(MAXX-WD/2),w_o+123-(word)(w_y-HT/2)*28U/(word)(MAXY-HT/2),horiz);
 173       vgaimg *img = (vgaimg*)horiz;
 174       int x=0;
 175       int d=0;
 176       do {
 177          int y=w_o;
 178          d &= ~2;
 179          do {
 180              V_rotspr(x,y,img,d);
 181              y+=img->h;
 182              d^=2;
 183          } while (y<HT+w_o);
 184          x+=img->w;
 185          d^=1;
 186       } while (x<WD);
 187
 188
 189
 190     if(sky_type==2) if(lt_time<0) {
 191       if(!lt_side) V_spr(0,w_o+lt_ypos,ltn[lt_type][(lt_time<-5)?0:1]);
 192       else V_spr2(WD-1,w_o+lt_ypos,ltn[lt_type][(lt_time<-5)?0:1]);
 193     }
 194   }else V_clr(0,WD,w_o+1,HT,0x97);
 195   Z_drawfld((byte *)fldb, 1);
 196   DOT_draw();
 197   IT_draw();
 198   PL_draw(&pl1);
 199   if(_2pl) PL_draw(&pl2);
 200   MN_draw();
 201   WP_draw();
 202   SMK_draw();
 203   FX_draw();
 204   Z_drawfld((byte *)fldf, 0);
 205   if(sky_type==2)
 206     if(lt_time==-4 || lt_time==-2)
 207       V_remap_rect(0,WD,w_o+1,HT,clrmap+256*11);
 208 }
 209
 210
 211 void W_init(void) {
 212   int i,j;
 213   static char *anm[ANIT-1][5]={
 214     {"WALL22_1","WALL23_1","WALL23_2",NULL,NULL},
 215     {"WALL58_1","WALL58_2","WALL58_3",NULL,NULL},
 216     {"W73A_1","W73A_2",NULL,NULL,NULL},
 217     {"RP2_1","RP2_2","RP2_3","RP2_4",NULL}
 218   };
 219
 220   for(i=1;i<ANIT;++i) {
 221     for(j=0;anm[i-1][j];++j)
 222       anih[i][j]=F_getresid(anm[i-1][j]);
 223     for(;j<5;++j) anih[i][j]=-1;
 224   }
 225   memset(anic,0,sizeof(anic));
 226   DOT_init();
 227   SMK_init();
 228   FX_init();
 229   WP_init();
 230   IT_init();
 231   SW_init();
 232   PL_init();
 233   MN_init();
 234   M_unlock(horiz);
 235   horiz=V_loadvgaimg("RSKY1");
 236
 237   free_chunks();
 238 }
 239
 240 void W_act(void) {
 241   int i,a;
 242
 243   if(g_time%3!=0) return;
 244   for(i=1;i<256;++i) if((a=walani[i])!=0) {
 245     if(anih[a][++anic[a]]==-1) anic[a]=0;
 246     walp[i]=V_getvgaimg(anih[a][anic[a]]);
 247   }
 248 }
 249
 250 /*
 251 static void unpack(void *buf,int len,void *obuf) {
 252   byte *p,*o;
 253   int l,n;
 254
 255   for(p=(byte*)buf,o=(byte*)obuf,l=len;l;++p,--l) if(*p==255) {
 256     n=*((word*)(++p));memset(o,*(p+=2),n);o+=n;l-=3;
 257   }else *(o++)=*p;
 258 }
 259 */
 260
 261 static void unpack(void *buf, int len, void *obuf) {
 262   int i = 0;
 263   int j = 0;
 264   unsigned char *p = buf;
 265   unsigned char *q = obuf;
 266   while (i < len) {
 267     int id = p[i];
 268     int step = 1;
 269     i += 1;
 270     if (id == 0xff) {
 271       step = p[i] | p[i + 1] << 8;
 272       id = p[i + 2];
 273       i += 3;
 274     }
 275     memset(&q[j], id, step);
 276     j += step;
 277   }
 278 }
 279
 280 int W_load (FILE *h) {
 281   int i, j, k, g;
 282   void *p, *buf;
 283   wall_t w;
 284   switch (blk.t) {
 285   case MB_WALLNAMES:
 286           for (i = 0; i < 256; ++i) {
 287       walh[i] = -1;
 288       walswp[i] = i;
 289       walani[i] = 0;
 290     }
 291           for (i = 1; i < 256 && blk.sz > 0; ++i, blk.sz -= 9) {
 292       myfread(w.n, 8, 1, h);
 293       w.t = myfread8(h);
 294       if (strncasecmp(w.n, "_WATER_", 7) == 0) {
 295         walp[i] = (void*)(w.n[7] - '0' + 1);
 296         walh[i] = -2;
 297       } else {
 298         walh[i] = F_getresid(w.n);
 299         walp[i] = V_getvgaimg(walh[i]);
 300         if (w.n[0] == 'S' && w.n[1] == 'W' && w.n[4] == '_') {
 301           walswp[i] = 0;
 302         }
 303         walf[i] = w.t ? 1 : 0;
 304         if (w.t) {
 305           walh[i] |= 0x8000;
 306         }
 307         if (strncasecmp(w.n, "VTRAP01", 8) == 0) {
 308           walf[i] |= 2;
 309         }
 310         walani[i] = getani(w.n);
 311       }
 312           }
 313           for (j = i, i = 1; i < 256 && j < 256; ++i) {
 314       if (walswp[i] == 0) {
 315         F_getresname(w.n, walh[i] & 0x7FFF);
 316         w.n[5] ^= 1;
 317         g = F_getresid(w.n) | (walh[i] & 0x8000);
 318         k = 1;
 319         while (k < 256 && walh[k] != g) {
 320           k += 1;
 321         }
 322         if(k >= 256) {
 323           k = j;
 324           j += 1;
 325           walh[k] = g;
 326           walp[k] = V_getvgaimg(g);
 327           walf[k] = g & 0x8000 ? 1 : 0;
 328         }
 329         walswp[i] = k;
 330         walswp[k] = i;
 331       }
 332     }
 333           return 1;
 334         case MB_BACK:
 335     p = fldb;
 336     goto unp;
 337         case MB_WTYPE:
 338     p = fld;
 339     goto unp;
 340         case MB_FRONT:
 341     p = fldf;
 342   unp:
 343     switch (blk.st) {
 344             case 0:
 345         myfread(p, FLDW * FLDH, 1, h);
 346         break;
 347             case 1:
 348         buf = malloc(blk.sz);
 349               if(buf == NULL) {
 350                 ERR_fatal("Не хватает памяти");
 351         }
 352               myfread(buf, blk.sz, 1, h);
 353               unpack(buf, blk.sz, p);
 354         free(buf);
 355         break;
 356             default:
 357         return 0;
 358           }
 359     return 1;
 360         case MB_SKY:
 361     sky_type = myfread16(h);
 362           strcpy(w.n, "RSKY1");
 363     w.n[4] = '0' + sky_type;
 364           M_unlock(horiz);
 365           horiz = V_loadvgaimg(w.n);
 366           return 1;
 367   }
 368   return 0;
 369 }