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
  43 #define ANIT 5
  44
  45 /*
  46 #define WD 200
  47 #define HT 98
  48
  49 #define MAXX (FLDW*CELW-WD/2)
  50 #define MAXY (FLDH*CELH-HT/2)
  51 */
  52
  53 int WD; //
  54 int HT; //
  55
  56 extern map_block_t blk;
  57
  58 extern byte clrmap[256*12];
  59 void V_remap_rect(int,int,int,int,byte *);
  60
  61 byte w_horiz=ON;
  62 void *horiz=NULL;//static void *horiz=NULL;
  63 int w_o,w_x,w_y,sky_type=1;
  64 void *walp[256];
  65 dword walf[256];
  66 int walh[256];
  67 byte walswp[256];
  68 byte walani[256];
  69 int anih[ANIT][5];
  70 byte anic[ANIT];
  71 byte fldb[FLDH][FLDW];
  72 byte fldf[FLDH][FLDW];
  73 byte fld[FLDH][FLDW];
  74
  75 extern int lt_time,lt_type,lt_side,lt_ypos;
  76 extern void *ltn[2][2];
  77
  78 static void getname(int n,char *s) {
  79   if(walh[n]==-1) {memset(s,0,8);return;}
  80   if(walh[n]==-2) {
  81     memcpy(s,"_WATER_",8);s[7]=(byte)walp[n]-1+'0';
  82     return;
  83   }
  84   F_getresname(s,walh[n]&0x7FFF);
  85 }
  86
  87 static short getani(char *n) {
  88   if(strncasecmp(n,"WALL22_1",8)==0) return 1;
  89   if(strncasecmp(n,"WALL58_1",8)==0) return 2;
  90   if(strncasecmp(n,"W73A_1",8)==0) return 3;
  91   if(strncasecmp(n,"RP2_1",8)==0) return 4;
  92   return 0;
  93 }
  94
  95 void W_savegame(FILE* h) {
  96   char s[8];
  97   int i;
  98
  99   myfwrite(&sky_type,1,4,h);
 100   for(i=1;i<256;++i) {
 101     getname(i,s);myfwrite(s,1,8,h);
 102   }
 103   myfwrite(walf,1,sizeof(walf),h);
 104   myfwrite(walswp,1,sizeof(walswp),h);
 105   myfwrite(fldb,1,FLDW*FLDH,h);
 106   myfwrite(fld,1,FLDW*FLDH,h);
 107   myfwrite(fldf,1,FLDW*FLDH,h);
 108 }
 109
 110 void W_loadgame(FILE* h) {
 111   char s[8];
 112   int i;
 113
 114   myfread(&sky_type,1,4,h);
 115   for(i=1;i<256;++i) {
 116     walani[i]=0;
 117     myfread(s,1,8,h);if(!s[0]) {walh[i]=-1;walp[i]=NULL;continue;}
 118     walani[i]=getani(s);
 119     if(strncasecmp(s,"_WATER_",7)==0) { //if(memicmp(s,"_WATER_",7)==0) {
 120       walh[i]=-2;walp[i]=(void*)(s[7]-'0'+1);
 121     }else walp[i]=M_lock(walh[i]=F_getresid(s));
 122   }
 123   myfread(walf,1,sizeof(walf),h);
 124   for(i=1;i<256;++i) if(walf[i]&1) walh[i]|=0x8000;
 125   myfread(walswp,1,sizeof(walswp),h);
 126   myfread(fldb,1,FLDW*FLDH,h);
 127   myfread(fld,1,FLDW*FLDH,h);
 128   myfread(fldf,1,FLDW*FLDH,h);
 129   strcpy(s,"RSKY1");s[4]=sky_type+'0';
 130   M_unlock(horiz);
 131   horiz=M_lock(F_getresid(s));
 132 }
 133
 134 void W_adjust(void) {
 135   int MAXX =(FLDW*CELW-WD/2);//
 136   int MAXY =(FLDH*CELH-HT/2);//
 137
 138   if(w_x<WD/2) w_x=WD/2;
 139   if(w_y<HT/2) w_y=HT/2;
 140   if(w_x>MAXX) w_x=MAXX;
 141   if(w_y>MAXY) w_y=MAXY;
 142 }
 143
 144 void W_draw(void) {
 145   W_adjust();
 146   V_setrect(0,WD,w_o+1,HT);
 147   if(w_horiz) {
 148
 149
 150       //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);
 151       vgaimg *img = (vgaimg*)horiz;
 152       int x=0;
 153       int d=0;
 154       do {
 155          int y=w_o;
 156          d &= ~2;
 157          do {
 158              V_rotspr(x,y,img,d);
 159              y+=img->h;
 160              d^=2;
 161          } while (y<HT+w_o);
 162          x+=img->w;
 163          d^=1;
 164       } while (x<WD);
 165
 166
 167
 168     if(sky_type==2) if(lt_time<0) {
 169       if(!lt_side) V_spr(0,w_o+lt_ypos,ltn[lt_type][(lt_time<-5)?0:1]);
 170       else V_spr2(WD-1,w_o+lt_ypos,ltn[lt_type][(lt_time<-5)?0:1]);
 171     }
 172   }else V_clr(0,WD,w_o+1,HT,0x97);
 173   Z_drawfld((byte *)fldb, 1);
 174   DOT_draw();
 175   IT_draw();
 176   PL_draw(&pl1);
 177   if(_2pl) PL_draw(&pl2);
 178   MN_draw();
 179   WP_draw();
 180   SMK_draw();
 181   FX_draw();
 182   Z_drawfld((byte *)fldf, 0);
 183   if(sky_type==2)
 184     if(lt_time==-4 || lt_time==-2)
 185       V_remap_rect(0,WD,w_o+1,HT,clrmap+256*11);
 186 }
 187
 188
 189 void W_init(void) {
 190   int i,j;
 191   static char *anm[ANIT-1][5]={
 192     {"WALL22_1","WALL23_1","WALL23_2",NULL,NULL},
 193     {"WALL58_1","WALL58_2","WALL58_3",NULL,NULL},
 194     {"W73A_1","W73A_2",NULL,NULL,NULL},
 195     {"RP2_1","RP2_2","RP2_3","RP2_4",NULL}
 196   };
 197
 198   for(i=1;i<ANIT;++i) {
 199     for(j=0;anm[i-1][j];++j)
 200       anih[i][j]=F_getresid(anm[i-1][j]);
 201     for(;j<5;++j) anih[i][j]=-1;
 202   }
 203   memset(anic,0,sizeof(anic));
 204   DOT_init();
 205   SMK_init();
 206   FX_init();
 207   WP_init();
 208   IT_init();
 209   SW_init();
 210   PL_init();
 211   MN_init();
 212   M_unlock(horiz);
 213   horiz=M_lock(F_getresid("RSKY1"));
 214
 215   free_chunks();
 216 }
 217
 218 void W_act(void) {
 219   int i,a;
 220
 221   if(g_time%3!=0) return;
 222   for(i=1;i<256;++i) if((a=walani[i])!=0) {
 223     if(anih[a][++anic[a]]==-1) anic[a]=0;
 224     walp[i]=M_lock(anih[a][anic[a]]);
 225   }
 226 }
 227
 228 static void unpack(void *buf,int len,void *obuf) {
 229   byte *p,*o;
 230   int l,n;
 231
 232   for(p=(byte*)buf,o=(byte*)obuf,l=len;l;++p,--l) if(*p==255) {
 233     n=*((word*)(++p));memset(o,*(p+=2),n);o+=n;l-=3;
 234   }else *(o++)=*p;
 235 }
 236
 237 int W_load(FILE* h) {
 238   int i,j,k,g;
 239   static wall_t w;
 240   void *p,*buf;
 241
 242   switch(blk.t) {
 243         case MB_WALLNAMES:
 244           for(i=0;i<256;++i) {walh[i]=-1;walswp[i]=i;walani[i]=0;}
 245           for(i=1;i<256 && blk.sz>0;++i,blk.sz-=sizeof(w)) {
 246                 myfread(&w,1,sizeof(w),h);
 247
 248                 if(strncasecmp(w.n,"_WATER_",7)==0) //if(memicmp(w.n,"_WATER_",7)==0)
 249                   {walp[i]=(void*)(w.n[7]-'0'+1);walh[i]=-2;continue;}
 250                 walp[i]=M_lock(walh[i]=F_getresid(w.n));
 251                 if(w.n[0]=='S' && w.n[1]=='W' && w.n[4]=='_') walswp[i]=0;
 252                 walf[i]=(w.t)?1:0;if(w.t) walh[i]|=0x8000;
 253
 254                 if(strncasecmp(w.n,"VTRAP01",8)==0) walf[i]|=2; //if(memicmp(w.n,"VTRAP01",8)==0) walf[i]|=2;
 255                 walani[i]=getani(w.n);
 256           }
 257           for(j=i,i=1;i<256;++i) if(walswp[i]==0) {
 258                 if(j>=256) break;
 259                 F_getresname(w.n,walh[i]&0x7FFF);
 260                 w.n[5]^=1;
 261                 g=F_getresid(w.n)|(walh[i]&0x8000);
 262                 for(k=1;k<256;++k) if(walh[k]==g) break;
 263                 if(k>=256) {
 264                   walh[k=j++]=g;walp[k]=M_lock(g);
 265                   walf[k]=(g&0x8000)?1:0;
 266                 }
 267                 walswp[i]=k;walswp[k]=i;
 268           }
 269           return 1;
 270         case MB_BACK:  p=fldb;goto unp;
 271         case MB_WTYPE: p=fld;goto unp;
 272         case MB_FRONT: p=fldf;
 273         unp: switch(blk.st) {
 274             case 0: myfread(p,1,FLDW*FLDH,h);break;
 275             case 1:
 276               if(!(buf=malloc(blk.sz)))
 277                 ERR_fatal("Не хватает памяти");
 278               myfread(buf,1,blk.sz,h);
 279               unpack(buf,blk.sz,p);free(buf);break;
 280             default: return 0;
 281           }return 1;
 282         case MB_SKY:
 283           sky_type=0;myfread(&sky_type,1,2,h);
 284           strcpy(w.n,"RSKY1");w.n[4]=sky_type+'0';
 285           M_unlock(horiz);
 286           horiz=M_lock(F_getresid(w.n));
 287           return 1;
 288   }return 0;
 289 }