src/game.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 <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include "files.h"
  28 #include "memory.h"
  29 #include "keyb.h"
  30 #include "sound.h"
  31 #include "view.h"
  32 #include "bmap.h"
  33 #include "fx.h"
  34 #include "switch.h"
  35 #include "weapons.h"
  36 #include "items.h"
  37 #include "dots.h"
  38 #include "smoke.h"
  39 #include "player.h"
  40 #include "monster.h"
  41 #include "menu.h"
  42 #include "misc.h"
  43 #include "map.h"
  44 #include "my.h"
  45 #include "game.h"
  46 #include "config.h"
  47 #include "music.h"
  48 #include "a8.h"
  49 #include "error.h"
  50
  51 #include <SDL_keysym.h>
  52
  53 #define LT_DELAY 8
  54 #define LT_HITTIME 6
  55
  56 #define GETIME 1092
  57
  58 byte transdraw;
  59 byte _2pl;
  60 byte g_dm;
  61 byte g_st = GS_TITLE;
  62 byte g_exit;
  63 byte g_map = 1;
  64 char g_music[8] = "MENU";
  65 dword g_time;
  66 int dm_pnum;
  67 int dm_pl1p;
  68 int dm_pl2p;
  69 pos_t dm_pos[100];
  70
  71 static void *telepsnd;
  72
  73 int lt_time;
  74 int lt_type;
  75 int lt_side;
  76 int lt_ypos;
  77 static int lt_force;
  78 static void *ltnsnd[2];
  79
  80 int g_trans;
  81 static int g_transt;
  82
  83 static void set_trans(int st) {
  84   switch(g_st) {
  85     case GS_ENDANIM: case GS_END2ANIM: case GS_DARKEN:
  86     case GS_BVIDEO: case GS_EVIDEO: case GS_END3ANIM:
  87       g_st=st;return;
  88   }
  89   switch(g_st=st) {
  90     case GS_ENDANIM: case GS_END2ANIM: case GS_DARKEN:
  91     case GS_BVIDEO: case GS_EVIDEO: case GS_END3ANIM:
  92       return;
  93   }
  94   g_trans=1;g_transt=0;
  95 }
  96
  97 void G_savegame (FILE* h) {
  98   myfwrite8(_2pl, h);
  99   myfwrite8(g_dm, h);
 100   myfwrite8(g_exit, h);
 101   myfwrite8(g_map, h);
 102   myfwrite32(g_time, h);
 103   myfwrite32(dm_pl1p, h);
 104   myfwrite32(dm_pl2p, h);
 105   myfwrite32(dm_pnum, h);
 106   int i = 0;
 107   while (i < dm_pnum) {
 108     myfwrite32(dm_pos[i].x, h);
 109     myfwrite32(dm_pos[i].y, h);
 110     myfwrite8(dm_pos[i].d, h);
 111     i += 1;
 112   }
 113   myfwrite8(cheat, h);
 114   myfwrite(g_music, 8, 1, h);
 115 }
 116
 117 void G_loadgame (FILE* h) {
 118   _2pl = myfread8(h);
 119   g_dm = myfread8(h);
 120   g_exit = myfread8(h);
 121   g_map = myfread8(h);
 122   g_time = myfread32(h);
 123   dm_pl1p = myfread32(h);
 124   dm_pl2p = myfread32(h);
 125   dm_pnum = myfread32(h);
 126   int i = 0;
 127   while (i < dm_pnum) {
 128     dm_pos[i].x = myfread32(h);
 129     dm_pos[i].y = myfread32(h);
 130     dm_pos[i].d = myfread8(h);
 131     i += 1;
 132   }
 133   cheat = myfread8(h);
 134   myfread(g_music, 8, 1, h);
 135   F_loadmus(g_music);
 136 }
 137
 138 int G_load (FILE *h) {
 139   switch (blk.t) {
 140     case MB_MUSIC:
 141       myfread(g_music, 8, 1, h);
 142       if (music_random) {
 143         F_randmus(g_music);
 144       }
 145       F_loadmus(g_music);
 146       return 1;
 147   }
 148   return 0;
 149 }
 150
 151 void load_game (int n) {
 152   F_freemus();
 153   W_init();
 154   F_loadgame(n);
 155   set_trans(GS_GAME);
 156   pl1.drawst=0xFF;
 157   if(_2pl) pl2.drawst=0xFF;
 158   BM_remapfld();
 159   BM_clear(BM_PLR1|BM_PLR2|BM_MONSTER);
 160   BM_mark(&pl1.o,BM_PLR1);
 161   if(_2pl) BM_mark(&pl2.o,BM_PLR2);
 162   MN_mark();
 163   S_startmusic(music_time);
 164 }
 165
 166 void G_start (void) {
 167   char s[8];
 168
 169   F_freemus();
 170   sprintf(s,"MAP%02u",(word)g_map);
 171   F_loadmap(s);
 172   set_trans(GS_GAME);
 173   pl1.drawst=0xFF;
 174   if(_2pl) pl2.drawst=0xFF;
 175   g_exit=0;
 176   itm_rtime=(g_dm)?1092:0;
 177   p_immortal=0;PL_JUMP=10;
 178   g_time=0;
 179   lt_time=1000;
 180   lt_force=1;
 181   if(!_2pl) pl1.lives=3;
 182   BM_remapfld();
 183   BM_clear(BM_PLR1|BM_PLR2|BM_MONSTER);
 184   BM_mark(&pl1.o,BM_PLR1);
 185   if(_2pl) BM_mark(&pl2.o,BM_PLR2);
 186   MN_mark();
 187   S_startmusic(music_time);
 188 }
 189
 190 #define GGAS_TOTAL (MN__LAST-MN_DEMON+16+10)
 191
 192 void G_init (void) {
 193   int i,j;
 194   char s[9];
 195
 196   logo("G_init: настройка ресурсов игры ");
 197   logo_gas(5,GGAS_TOTAL);
 198   telepsnd=Z_getsnd("TELEPT");
 199   ltnsnd[0]=Z_getsnd("THUND1");
 200   ltnsnd[1]=Z_getsnd("THUND2");
 201   DOT_alloc();
 202   SMK_alloc();
 203   FX_alloc();
 204   WP_alloc();
 205   IT_alloc();
 206   SW_alloc();
 207   PL_alloc();
 208   MN_alloc();
 209   Z_initst();
 210   logo_gas(GGAS_TOTAL,GGAS_TOTAL);
 211   logo("\n");
 212   GM_init();
 213   pl1.color=0x70;
 214   pl2.color=0x60;
 215   g_trans=0;
 216 }
 217
 218 static int G_beg_video (void) {
 219 /*
 220   switch(g_map) {
 221     case 3: return A8_start("FALL");
 222     case 4: return A8_start("KORIDOR");
 223     case 5: return A8_start("SKULL");
 224     case 6: return A8_start("TORCHES");
 225     case 7: return A8_start("CACO");
 226     case 8: return A8_start("DARTS");
 227     case 9: return A8_start("FISH");
 228     case 10: return A8_start("TRAP");
 229     case 11: return A8_start("JAIL");
 230     case 12: return A8_start("MMON1");
 231     case 13: return A8_start("TOWER");
 232     case 14: return A8_start("SAPOG");
 233     case 15: return A8_start("SWITCH");
 234     case 16: return A8_start("ACCEL");
 235     case 17: return A8_start("MEAT");
 236     case 18: return A8_start("LEGION");
 237     case 19: return A8_start("CLOUDS");
 238   }
 239 */
 240   return 0;
 241 }
 242
 243
 244 static int G_end_video (void) {
 245 /*
 246   switch(g_map) {
 247     case 1: return A8_start("TRUBA");
 248     case 10: return A8_start("GOTCHA");
 249   }
 250 */
 251   return 0;
 252 }
 253
 254 void G_act (void) {
 255   static byte pcnt=0;
 256 /*
 257   if(g_trans) {
 258     if(g_transt==0) {
 259       V_setscr(NULL);memcpy(fx_scr1,scra,64000);
 260       V_setscr(fx_scr2);
 261       transdraw=1;G_draw();transdraw=0;
 262       V_setscr(scrbuf);
 263     }
 264     FX_trans1(g_transt*2);
 265     V_copytoscr(0,320,0,200);
 266     if(++g_transt>32) {
 267       g_trans=0;
 268     }
 269     return;
 270     g_trans=0;
 271   }
 272 */ g_trans=0;
 273
 274
 275   if(g_st==GS_BVIDEO || g_st==GS_EVIDEO) {
 276     if(!A8_nextframe() || lastkey==SDLK_ESCAPE) {
 277       if(lastkey==SDLK_ESCAPE) lastkey=0;
 278       A8_close();
 279       if(g_st==GS_BVIDEO) G_start();
 280       else goto inter;
 281     }
 282 //    V_copytoscr(0,SCRW,0,SCRH);//V_copytoscr(0,320,0,200);
 283     return;
 284   }else if(g_st==GS_ENDANIM || g_st==GS_END2ANIM || g_st==GS_END3ANIM) {
 285     if(!A8_nextframe()) {
 286       switch(g_st) {
 287         case GS_ENDANIM: g_st=GS_DARKEN;break;
 288         case GS_END2ANIM: g_st=GS_END3ANIM;A8_start("KONEC");break;
 289         case GS_END3ANIM: g_st=GS_ENDSCR;lastkey=0;break;
 290       }
 291       return;
 292     }
 293 //    V_copytoscr(0,SCRW,0,SCRH);//V_copytoscr(0,320,0,200);
 294     return;
 295   }else if(g_st==GS_DARKEN) {
 296       g_st=GS_END2ANIM;A8_start("CREDITS");
 297     return;
 298   }
 299
 300   if(GM_act()) return;
 301
 302
 303
 304   switch(g_st) {
 305         case GS_TITLE: case GS_ENDSCR:
 306
 307           return;
 308         case GS_INTER:
 309 #ifdef DEMO
 310           if(keys[0x39] || keys[0x1C] || keys[0x9C]) {
 311             set_trans(GS_TITLE);
 312           }
 313 #else
 314           if(keys[SDLK_SPACE] || keys[SDLK_RETURN] || keys[SDLK_KP_ENTER])//if(keys[0x39] || keys[0x1C] || keys[0x9C])
 315             if(!G_beg_video()) G_start(); else {
 316               g_st=GS_BVIDEO;F_freemus();
 317             }
 318 #endif
 319           return;
 320   }
 321
 322
 323   if(sky_type==2) {
 324     if(lt_time>LT_DELAY || lt_force) {
 325       if(!(rand()&31) || lt_force) {
 326         lt_force=0;
 327         lt_time=-LT_HITTIME;
 328         lt_type=rand()%2;
 329         lt_side=rand()&1;
 330         lt_ypos=rand()&31;
 331         Z_sound(ltnsnd[rand()&1],128);
 332       }
 333     }else ++lt_time;
 334   }
 335   ++g_time;
 336   pl1.hit=0;pl1.hito=-3;
 337   if(_2pl) {pl2.hit=0;pl2.hito=-3;}
 338   G_code();
 339
 340   IT_act();
 341   SW_act();
 342   if(_2pl) {
 343         if(pcnt) {PL_act(&pl1);PL_act(&pl2);}
 344         else {PL_act(&pl2);PL_act(&pl1);}
 345         pcnt^=1;
 346   }else PL_act(&pl1);
 347   MN_act();
 348   if(fld_need_remap) BM_remapfld();
 349   BM_clear(BM_PLR1|BM_PLR2|BM_MONSTER);
 350   BM_mark(&pl1.o,BM_PLR1);
 351   if(_2pl) BM_mark(&pl2.o,BM_PLR2);
 352   MN_mark();
 353   WP_act();
 354   DOT_act();
 355   SMK_act();
 356   FX_act();
 357   if(_2pl) {
 358         PL_damage(&pl1);PL_damage(&pl2);
 359         if(!(pl1.f&PLF_PNSND) && pl1.pain) PL_cry(&pl1);
 360         if(!(pl2.f&PLF_PNSND) && pl2.pain) PL_cry(&pl2);
 361         if((pl1.pain-=5) < 0) {pl1.pain=0;pl1.f&=(0xFFFF-PLF_PNSND);}
 362         if((pl2.pain-=5) < 0) {pl2.pain=0;pl2.f&=(0xFFFF-PLF_PNSND);}
 363   }else{
 364         PL_damage(&pl1);
 365         if(!(pl1.f&PLF_PNSND) && pl1.pain) PL_cry(&pl1);
 366         if((pl1.pain-=5) < 0) {pl1.pain=0;pl1.f&=(0xFFFF-PLF_PNSND);}
 367   }
 368   if(g_exit==1) {
 369
 370         if(G_end_video()) {
 371           F_freemus();
 372           g_st=GS_EVIDEO;
 373           return;
 374         }
 375
 376 inter:
 377         switch(g_map) {
 378           case 19: g_st=GS_ENDANIM;A8_start("FINAL");break;
 379           case 31: case 32: g_map=16;set_trans(GS_INTER);break;
 380           default: ++g_map;set_trans(GS_INTER);break;
 381         }
 382         F_freemus();
 383         if(g_st==GS_INTER) {
 384           F_loadmus("INTERMUS");
 385         }else {F_loadmus("\x8a\x8e\x8d\x85\x96\x0");if(mus_vol>0) {S_volumemusic(128);} }
 386         S_startmusic(0);
 387   }else if(g_exit==2) {
 388         switch(g_map) {
 389           case 31: g_map=32;set_trans(GS_INTER);break;
 390           case 32: g_map=16;set_trans(GS_INTER);break;
 391           default: g_map=31;set_trans(GS_INTER);break;
 392         }
 393         F_freemus();
 394         F_loadmus("INTERMUS");
 395         S_startmusic(0);
 396   }
 397
 398 #ifdef DEMO
 399   if(g_dm && g_time>10920) {set_trans(GS_INTER);}
 400 #endif
 401 }
 402
 403 void G_respawn_player (player_t *p) {
 404   int i;
 405
 406   if(dm_pnum==2) {
 407     if(p==&pl1) i=dm_pl1p^=1;
 408     else i=dm_pl2p^=1;
 409     p->o.x=dm_pos[i].x;p->o.y=dm_pos[i].y;p->d=dm_pos[i].d;
 410     FX_tfog(dm_pos[i].x,dm_pos[i].y);Z_sound(telepsnd,128);
 411     return;
 412   }
 413   do{i=myrand(dm_pnum);}while(i==dm_pl1p || i==dm_pl2p);
 414   p->o.x=dm_pos[i].x;p->o.y=dm_pos[i].y;p->d=dm_pos[i].d;
 415   if(p==&pl1) dm_pl1p=i; else dm_pl2p=i;
 416   FX_tfog(dm_pos[i].x,dm_pos[i].y);Z_sound(telepsnd,128);
 417 }