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 "vga.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
  42 #define ANIT 5
  43
  44 /*
  45 #define WD 200
  46 #define HT 98
  47
  48 #define MAXX (FLDW*CELW-WD/2)
  49 #define MAXY (FLDH*CELH-HT/2)
  50 */
  51
  52 int WD; //
  53 int HT; //
  54
  55 extern map_block_t blk;
  56
  57 extern byte clrmap[256*12];
  58 void V_remap_rect(int,int,int,int,byte *);
  59
  60 byte w_horiz=ON;
  61 void *horiz=NULL;//static void *horiz=NULL;
  62 int w_o,w_x,w_y,sky_type=1;
  63 void *walp[256];
  64 dword walf[256];
  65 int walh[256];
  66 byte walswp[256];
  67 byte walani[256];
  68 int anih[ANIT][5];
  69 byte anic[ANIT];
  70 byte fldb[FLDH][FLDW];
  71 byte fldf[FLDH][FLDW];
  72 byte fld[FLDH][FLDW];
  73
  74 extern int lt_time,lt_type,lt_side,lt_ypos;
  75 extern void *ltn[2][2];
  76
  77 static void getname(int n,char *s) {
  78   if(walh[n]==-1) {memset(s,0,8);return;}
  79   if(walh[n]==-2) {
  80     memcpy(s,"_WATER_",8);s[7]=(byte)walp[n]-1+'0';
  81     return;
  82   }
  83   F_getresname(s,walh[n]&0x7FFF);
  84 }
  85
  86 static short getani(char *n) {
  87   if(strncasecmp(n,"WALL22_1",8)==0) return 1;
  88   if(strncasecmp(n,"WALL58_1",8)==0) return 2;
  89   if(strncasecmp(n,"W73A_1",8)==0) return 3;
  90   if(strncasecmp(n,"RP2_1",8)==0) return 4;
  91   return 0;
  92 }
  93
  94 void W_savegame(FILE* h) {
  95   char s[8];
  96   int i;
  97
  98   myfwrite(&sky_type,1,4,h);
  99   for(i=1;i<256;++i) {
 100     getname(i,s);myfwrite(s,1,8,h);
 101   }
 102   myfwrite(walf,1,sizeof(walf),h);
 103   myfwrite(walswp,1,sizeof(walswp),h);
 104   myfwrite(fldb,1,FLDW*FLDH,h);
 105   myfwrite(fld,1,FLDW*FLDH,h);
 106   myfwrite(fldf,1,FLDW*FLDH,h);
 107 }
 108
 109 void W_loadgame(FILE* h) {
 110   char s[8];
 111   int i;
 112
 113   myfread(&sky_type,1,4,h);
 114   for(i=1;i<256;++i) {
 115     walani[i]=0;
 116     myfread(s,1,8,h);if(!s[0]) {walh[i]=-1;walp[i]=NULL;continue;}
 117     walani[i]=getani(s);
 118     if(strncasecmp(s,"_WATER_",7)==0) { //if(memicmp(s,"_WATER_",7)==0) {
 119       walh[i]=-2;walp[i]=(void*)(s[7]-'0'+1);
 120     }else walp[i]=M_lock(walh[i]=F_getresid(s));
 121   }
 122   myfread(walf,1,sizeof(walf),h);
 123   for(i=1;i<256;++i) if(walf[i]&1) walh[i]|=0x8000;
 124   myfread(walswp,1,sizeof(walswp),h);
 125   myfread(fldb,1,FLDW*FLDH,h);
 126   myfread(fld,1,FLDW*FLDH,h);
 127   myfread(fldf,1,FLDW*FLDH,h);
 128   strcpy(s,"RSKY1");s[4]=sky_type+'0';
 129   M_unlock(horiz);
 130   horiz=M_lock(F_getresid(s));
 131 }
 132
 133 void W_adjust(void) {
 134   int MAXX =(FLDW*CELW-WD/2);//
 135   int MAXY =(FLDH*CELH-HT/2);//
 136
 137   if(w_x<WD/2) w_x=WD/2;
 138   if(w_y<HT/2) w_y=HT/2;
 139   if(w_x>MAXX) w_x=MAXX;
 140   if(w_y>MAXY) w_y=MAXY;
 141 }
 142
 143 void W_draw(void) {
 144   W_adjust();
 145   V_setrect(0,WD,w_o+1,HT);
 146   if(w_horiz) {
 147
 148
 149       //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);
 150       vgaimg *img = (vgaimg*)horiz;
 151       int x=0;
 152       int d=0;
 153       do {
 154          int y=w_o;
 155          d &= ~2;
 156          do {
 157              V_rotspr(x,y,img,d);
 158              y+=img->h;
 159              d^=2;
 160          } while (y<HT+w_o);
 161          x+=img->w;
 162          d^=1;
 163       } while (x<WD);
 164
 165
 166
 167     if(sky_type==2) if(lt_time<0) {
 168       if(!lt_side) V_spr(0,w_o+lt_ypos,ltn[lt_type][(lt_time<-5)?0:1]);
 169       else V_spr2(WD-1,w_o+lt_ypos,ltn[lt_type][(lt_time<-5)?0:1]);
 170     }
 171   }else V_clr(0,WD,w_o+1,HT,0x97);
 172   Z_drawfld((byte *)fldb, 1);
 173   DOT_draw();
 174   IT_draw();
 175   PL_draw(&pl1);
 176   if(_2pl) PL_draw(&pl2);
 177   MN_draw();
 178   WP_draw();
 179   SMK_draw();
 180   FX_draw();
 181   Z_drawfld((byte *)fldf, 0);
 182   if(sky_type==2)
 183     if(lt_time==-4 || lt_time==-2)
 184       V_remap_rect(0,WD,w_o+1,HT,clrmap+256*11);
 185 }
 186
 187
 188 void W_init(void) {
 189   int i,j;
 190   static char *anm[ANIT-1][5]={
 191     {"WALL22_1","WALL23_1","WALL23_2",NULL,NULL},
 192     {"WALL58_1","WALL58_2","WALL58_3",NULL,NULL},
 193     {"W73A_1","W73A_2",NULL,NULL,NULL},
 194     {"RP2_1","RP2_2","RP2_3","RP2_4",NULL}
 195   };
 196
 197   for(i=1;i<ANIT;++i) {
 198     for(j=0;anm[i-1][j];++j)
 199       anih[i][j]=F_getresid(anm[i-1][j]);
 200     for(;j<5;++j) anih[i][j]=-1;
 201   }
 202   memset(anic,0,sizeof(anic));
 203   DOT_init();
 204   SMK_init();
 205   FX_init();
 206   WP_init();
 207   IT_init();
 208   SW_init();
 209   PL_init();
 210   MN_init();
 211   M_unlock(horiz);
 212   horiz=M_lock(F_getresid("RSKY1"));
 213
 214   free_chunks();
 215 }
 216
 217 void W_act(void) {
 218   int i,a;
 219
 220   if(g_time%3!=0) return;
 221   for(i=1;i<256;++i) if((a=walani[i])!=0) {
 222     if(anih[a][++anic[a]]==-1) anic[a]=0;
 223     walp[i]=M_lock(anih[a][anic[a]]);
 224   }
 225 }
 226
 227 static void unpack(void *buf,int len,void *obuf) {
 228   byte *p,*o;
 229   int l,n;
 230
 231   for(p=(byte*)buf,o=(byte*)obuf,l=len;l;++p,--l) if(*p==255) {
 232     n=*((word*)(++p));memset(o,*(p+=2),n);o+=n;l-=3;
 233   }else *(o++)=*p;
 234 }
 235
 236 int W_load(FILE* h) {
 237   int i,j,k,g;
 238   static wall_t w;
 239   void *p,*buf;
 240
 241   switch(blk.t) {
 242         case MB_WALLNAMES:
 243           for(i=0;i<256;++i) {walh[i]=-1;walswp[i]=i;walani[i]=0;}
 244           for(i=1;i<256 && blk.sz>0;++i,blk.sz-=sizeof(w)) {
 245                 myfread(&w,1,sizeof(w),h);
 246
 247                 if(strncasecmp(w.n,"_WATER_",7)==0) //if(memicmp(w.n,"_WATER_",7)==0)
 248                   {walp[i]=(void*)(w.n[7]-'0'+1);walh[i]=-2;continue;}
 249                 walp[i]=M_lock(walh[i]=F_getresid(w.n));
 250                 if(w.n[0]=='S' && w.n[1]=='W' && w.n[4]=='_') walswp[i]=0;
 251                 walf[i]=(w.t)?1:0;if(w.t) walh[i]|=0x8000;
 252
 253                 if(strncasecmp(w.n,"VTRAP01",8)==0) walf[i]|=2; //if(memicmp(w.n,"VTRAP01",8)==0) walf[i]|=2;
 254                 walani[i]=getani(w.n);
 255           }
 256           for(j=i,i=1;i<256;++i) if(walswp[i]==0) {
 257                 if(j>=256) break;
 258                 F_getresname(w.n,walh[i]&0x7FFF);
 259                 w.n[5]^=1;
 260                 g=F_getresid(w.n)|(walh[i]&0x8000);
 261                 for(k=1;k<256;++k) if(walh[k]==g) break;
 262                 if(k>=256) {
 263                   walh[k=j++]=g;walp[k]=M_lock(g);
 264                   walf[k]=(g&0x8000)?1:0;
 265                 }
 266                 walswp[i]=k;walswp[k]=i;
 267           }
 268           return 1;
 269         case MB_BACK:  p=fldb;goto unp;
 270         case MB_WTYPE: p=fld;goto unp;
 271         case MB_FRONT: p=fldf;
 272         unp: switch(blk.st) {
 273             case 0: myfread(p,1,FLDW*FLDH,h);break;
 274             case 1:
 275               if(!(buf=malloc(blk.sz)))
 276                 ERR_fatal("Не хватает памяти");
 277               myfread(buf,1,blk.sz,h);
 278               unpack(buf,blk.sz,p);free(buf);break;
 279             default: return 0;
 280           }return 1;
 281         case MB_SKY:
 282           sky_type=0;myfread(&sky_type,1,2,h);
 283           strcpy(w.n,"RSKY1");w.n[4]=sky_type+'0';
 284           M_unlock(horiz);
 285           horiz=M_lock(F_getresid(w.n));
 286           return 1;
 287   }return 0;
 288 }