src/switch.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 "view.h"
  26 #include "bmap.h"
  27 #include "switch.h"
  28 #include "player.h"
  29 #include "misc.h"
  30 #include "map.h"
  31 #include "files.h"
  32 #include "game.h"
  33 #include "my.h"
  34 #include "monster.h"
  35 #include "render.h"
  36
  37 int sw_secrets;
  38 sw_t sw[MAXSW];
  39
  40 static void *sndswn, *sndswx, *sndnoway, *sndbdo, *sndbdc, *sndnotele;
  41 static int swsnd;
  42 static byte cht, chto, chf, f_ch;
  43
  44 void SW_alloc (void) {
  45   sndswn=Z_getsnd("SWTCHN");
  46   sndswx=Z_getsnd("SWTCHX");
  47   sndnoway=Z_getsnd("NOWAY");
  48   sndbdo=Z_getsnd("BDOPN");
  49   sndbdc=Z_getsnd("BDCLS");
  50   sndnotele=Z_getsnd("NOTELE");
  51 }
  52
  53 void SW_init (void) {
  54   int i;
  55   for (i = 0; i < MAXSW; i++) {
  56     sw[i].t = 0;
  57   }
  58   swsnd = 0;
  59 }
  60
  61 static void door(byte x,byte y) {
  62   byte ex;
  63
  64   if(x>=FLDW || y>=FLDH) return;
  65   if(fld[y][x]!=cht) return;
  66   ex=x+1;
  67   for(;x && fld[y][x-1]==cht;--x);
  68   for(;ex<FLDW && fld[y][ex]==cht;++ex);
  69   memset(fld[y]+x,chto,ex-x);
  70   if(f_ch) memset(fldf[y]+x,chf,ex-x);
  71   for(;x<ex;++x) {
  72         door(x,y-1);
  73         door(x,y+1);
  74   }
  75 }
  76
  77 void Z_water_trap (obj_t *o) {
  78   int i,j,sx,sy,x,y;
  79
  80   if((y=o->y)>=FLDH*CELH+o->h) return;
  81   if((x=o->x)<0 || o->x>FLDW*CELW) return;
  82   sx=(x-o->r)/CELW;
  83   sy=(y-o->h+1)/CELH;
  84   x=(x+o->r)/CELW;
  85   y=(y-o->h/2)/CELH;
  86   for(i=sx;i<=x;++i)
  87         for(j=sy;j<=y;++j)
  88           if(fld[j][i]==5) {
  89                 cht=5;chto=255;f_ch=0;
  90                 door(i,j);
  91           }
  92 }
  93
  94 void Z_untrap (byte t) {
  95   byte *p;
  96   word n;
  97
  98   for(p=(byte*)fld,n=FLDW*FLDH;n;--n,++p)
  99         if(*p==255) *p=t;
 100 }
 101
 102 static void opendoor(int i) {
 103   int j;
 104
 105   swsnd=Z_sound(sndbdo,128);
 106   j=fldf[sw[i].b][sw[i].a];
 107   cht=2;chto=3;chf=0;f_ch=1;
 108   door(sw[i].a,sw[i].b);
 109   fldf[sw[i].b][sw[i].a]=j;
 110   fld_need_remap=1;
 111 }
 112
 113 static int shutdoor(int i) {
 114   int j;
 115
 116   cht=3;chto=255;chf=fldf[sw[i].b][sw[i].a];f_ch=1;
 117   door(sw[i].a,sw[i].b);
 118   cht=255;
 119   if(Z_chktrap(0,0,-3,HIT_SOME)) {
 120         j=fldf[sw[i].b][sw[i].a];
 121         chto=3;chf=0;f_ch=1;
 122         door(sw[i].a,sw[i].b);
 123         fldf[sw[i].b][sw[i].a]=j;
 124         return 0;
 125   }
 126   chto=2;
 127   door(sw[i].a,sw[i].b);
 128   fld_need_remap=1;
 129   swsnd=Z_sound(sndbdc,128);
 130   return 1;
 131 }
 132
 133 void SW_act (void) {
 134   int i;
 135
 136   if(swsnd) --swsnd;
 137   for(i=0;i<MAXSW;++i) if(sw[i].t) {
 138     if(sw[i].tm) --sw[i].tm;
 139     switch(sw[i].t) {
 140       case SW_DOOR5: case SW_DOOR: case SW_SHUTDOOR:
 141         if(!sw[i].d) break;
 142         if(fld[sw[i].b][sw[i].a]!=3) {sw[i].d=0;break;}
 143         if(--sw[i].d==0) if(!shutdoor(i)) sw[i].d=9;
 144         break;
 145       case SW_TRAP:
 146         if(!sw[i].d) break;
 147         if(fld[sw[i].b][sw[i].a]!=2) {sw[i].d=0;break;}
 148         if(--sw[i].d==0) {opendoor(i);sw[i].tm=18;}
 149         break;
 150     }
 151   }
 152 }
 153
 154 static int doortime(int t) {
 155   switch(t) {
 156         case SW_DOOR5:          return 90;
 157   }
 158   return 0;
 159 }
 160
 161 void SW_cheat_open (void) {
 162   int i;
 163
 164   for(i=0;i<MAXSW;++i) if(sw[i].t && !sw[i].tm) switch(sw[i].t) {
 165         case SW_DOOR: case SW_DOOR5:
 166         case SW_OPENDOOR:
 167           if(fld[sw[i].b][sw[i].a]!=2) break;
 168           SW_press(sw[i].x*CELW+4,sw[i].y*CELH+4,1,1,0xFF,-3);
 169           break;
 170   }
 171 }
 172
 173 int SW_press (int x, int y, int r, int h, byte t, int o) {
 174   int sx,sy,i,p;
 175
 176   sx=(x-r)/CELW;sy=(y-h+1)/CELH;
 177   x=(x+r)/CELW;y/=CELH;
 178   for(i=p=0;i<MAXSW;++i) if(sw[i].t && !sw[i].tm) {
 179     if(sw[i].x>=sx && sw[i].x<=x && sw[i].y>=sy && sw[i].y<=y && ((sw[i].f&0x8F)&t)) {
 180       if(sw[i].f&0x70) if((sw[i].f&(t&0x70))!=(sw[i].f&0x70)) continue;
 181       switch(sw[i].t) {
 182                 case SW_EXIT:
 183                   g_exit=1;sw[i].tm=9;swsnd=Z_sound(sndswx,128);break;
 184                 case SW_EXITS:
 185                   g_exit=2;sw[i].tm=9;swsnd=Z_sound(sndswx,128);break;
 186                 case SW_DOOR: case SW_DOOR5:
 187                   switch(fld[sw[i].b][sw[i].a]) {
 188                         case 2:
 189                           opendoor(i);sw[i].tm=9;sw[i].d=doortime(sw[i].t);break;
 190                         case 3:
 191                           if(shutdoor(i)) {sw[i].tm=9;sw[i].d=0;}
 192                           else {
 193                             if(!swsnd) swsnd=Z_sound(sndnoway,128);
 194                             sw[i].d=2;
 195                           }break;
 196                   }break;
 197                 case SW_PRESS:
 198                   sw[i].tm=9;
 199                   SW_press((dword)sw[i].a*8+4,(dword)sw[i].b*8+12,8,16,(t&0x70)|0x80,o);
 200                   break;
 201                 case SW_TELE:
 202                   if(o < -2) break;
 203                   if(!Z_canfit((dword)sw[i].a*8+4,(dword)sw[i].b*8+7,r,h)) {
 204                     if(!swsnd) swsnd=Z_sound(sndnotele,128);
 205                     break;
 206                   }Z_teleobj(o,(dword)sw[i].a*8+4,(dword)sw[i].b*8+7);
 207                   sw[i].tm=1;
 208                   break;
 209                 case SW_OPENDOOR:
 210                   if(fld[sw[i].b][sw[i].a]!=2) break;
 211                   opendoor(i);
 212                   sw[i].tm=1;
 213                   break;
 214                 case SW_SHUTDOOR:
 215                   if(fld[sw[i].b][sw[i].a]!=3) break;
 216                   if(shutdoor(i)) {sw[i].tm=1;sw[i].d=0;}
 217                   else {
 218                     if(!swsnd) swsnd=Z_sound(sndnoway,128);
 219                     sw[i].d=2;
 220                   }break;
 221                 case SW_SHUTTRAP: case SW_TRAP:
 222                   if(fld[sw[i].b][sw[i].a]!=3) break;
 223                   cht=3;chto=255;chf=fldf[sw[i].b][sw[i].a];f_ch=1;
 224                   door(sw[i].a,sw[i].b);
 225                   Z_chktrap(1,100,-3,HIT_TRAP);
 226                   cht=255;chto=2;
 227                   door(sw[i].a,sw[i].b);
 228                   fld_need_remap=1;
 229                   swsnd=Z_sound(sndswn,128);
 230                   sw[i].tm=1;sw[i].d=20;
 231                   break;
 232                 case SW_LIFT:
 233                   if(fld[sw[i].b][sw[i].a]==10) {
 234                     cht=10;chto=9;f_ch=0;
 235                   }else if(fld[sw[i].b][sw[i].a]==9) {
 236                     cht=9;chto=10;f_ch=0;
 237                   }else break;
 238                   door(sw[i].a,sw[i].b);
 239                   fld_need_remap=1;
 240                   swsnd=Z_sound(sndswx,128);
 241                   sw[i].tm=9;
 242                   break;
 243                 case SW_LIFTUP:
 244                   if(fld[sw[i].b][sw[i].a]!=10) break;
 245                   cht=10;chto=9;f_ch=0;
 246                   door(sw[i].a,sw[i].b);
 247                   fld_need_remap=1;
 248                   swsnd=Z_sound(sndswx,128);
 249                   sw[i].tm=1;
 250                   break;
 251                 case SW_LIFTDOWN:
 252                   if(fld[sw[i].b][sw[i].a]!=9) break;
 253                   cht=9;chto=10;f_ch=0;
 254                   door(sw[i].a,sw[i].b);
 255                   fld_need_remap=1;
 256                   swsnd=Z_sound(sndswx,128);
 257                   sw[i].tm=1;
 258                   break;
 259                 case SW_SECRET:
 260                   if(o!=-1 && o!=-2) break;
 261                   if(o==-1) ++pl1.secrets;
 262                   else ++pl2.secrets;
 263                   sw[i].tm=1;sw[i].t=0;break;
 264       }
 265       if (sw[i].tm != 0) {
 266         R_switch_texture(sw[i].x, sw[i].y);
 267         p = 1;
 268       }
 269       if(sw[i].tm==1) sw[i].tm=0;
 270     }
 271   }
 272   return p;
 273 }