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 "vga.h"
  30 #include "keyb.h"
  31 #include "sound.h"
  32 #include "view.h"
  33 #include "bmap.h"
  34 #include "fx.h"
  35 #include "switch.h"
  36 #include "weapons.h"
  37 #include "items.h"
  38 #include "dots.h"
  39 #include "smoke.h"
  40 #include "player.h"
  41 #include "monster.h"
  42 #include "menu.h"
  43 #include "misc.h"
  44 #include "map.h"
  45
  46 #include <SDL_keysym.h>
  47
  48 #define LT_DELAY 8
  49 #define LT_HITTIME 6
  50
  51 #define GETIME 1092
  52
  53
  54 int A8_start(char*);
  55 int A8_nextframe(void);
  56 void A8_close(void);
  57
  58
  59 void FX_trans1(int t);
  60 extern unsigned char fx_scr1[64000],fx_scr2[64000];
  61
  62 extern short lastkey;
  63
  64
  65 extern int hit_xv,hit_yv;
  66
  67 extern vgapal std_pal;
  68 void setgamma(int);
  69
  70 extern int sw_secrets;
  71
  72 #define PL_FLASH 90
  73
  74 extern int PL_JUMP;
  75
  76 extern map_block_t blk;
  77
  78 extern byte clrmap[256*12];
  79
  80 extern byte cheat;
  81
  82 byte _2pl=0,g_dm=0,g_st=GS_TITLE,g_exit=0,g_map=1,_warp=0,g_music[8]="MENU";
  83 byte _net=0;
  84 int g_sttm=1092;
  85 dword g_time;
  86 int dm_pnum,dm_pl1p,dm_pl2p;
  87 pos_t dm_pos[100];
  88
  89 static void *telepsnd;
  90 static void *scrnh[3];
  91 void *cd_scr;
  92
  93 extern int sky_type;
  94 void *ltn[2][2];
  95 int lt_time,lt_type,lt_side,lt_ypos,lt_force;
  96 void *ltnsnd[2];
  97
  98 int g_trans=0,g_transt;
  99
 100 static void set_trans(int st) {
 101   switch(g_st) {
 102     case GS_ENDANIM: case GS_END2ANIM: case GS_DARKEN:
 103     case GS_BVIDEO: case GS_EVIDEO: case GS_END3ANIM:
 104       g_st=st;return;
 105   }
 106   switch(g_st=st) {
 107     case GS_ENDANIM: case GS_END2ANIM: case GS_DARKEN:
 108     case GS_BVIDEO: case GS_EVIDEO: case GS_END3ANIM:
 109       return;
 110   }
 111   g_trans=1;g_transt=0;
 112 }
 113
 114 void G_savegame(FILE* h) {
 115   myfwrite8(_2pl, h);
 116   myfwrite8(g_dm, h);
 117   myfwrite8(g_exit, h);
 118   myfwrite8(g_map, h);
 119   myfwrite32(g_time, h);
 120   myfwrite32(dm_pl1p, h);
 121   myfwrite32(dm_pl2p, h);
 122   myfwrite32(dm_pnum, h);
 123   int i = 0;
 124   while (i < dm_pnum) {
 125     myfwrite32(dm_pos[i].x, h);
 126     myfwrite32(dm_pos[i].y, h);
 127     myfwrite8(dm_pos[i].d, h);
 128     i += 1;
 129   }
 130   myfwrite8(cheat, h);
 131   myfwrite(g_music, 8, 1, h);
 132 }
 133
 134 void G_loadgame(FILE* h) {
 135   myfread8(&_2pl, h);
 136   myfread8(&g_dm, h);
 137   myfread8(&g_exit, h);
 138   myfread8(&g_map, h);
 139   myfread32(&g_time, h);
 140   myfread32(&dm_pl1p, h);
 141   myfread32(&dm_pl2p, h);
 142   myfread32(&dm_pnum, h);
 143   int i = 0;
 144   while (i < dm_pnum) {
 145     myfread32(&dm_pos[i].x, h);
 146     myfread32(&dm_pos[i].y, h);
 147     myfread8(&dm_pos[i].d, h);
 148     i += 1;
 149   }
 150   myfread8(&cheat, h);
 151   myfread(g_music, 8, 1, h);
 152   F_loadmus(g_music);
 153 }
 154
 155 int G_load (FILE *h) {
 156   switch (blk.t) {
 157         case MB_MUSIC:
 158           myfread(g_music, 8, 1, h);
 159           if (music_random) {
 160       F_randmus(g_music);
 161     }
 162     F_loadmus(g_music);
 163           return 1;
 164   }
 165   return 0;
 166 }
 167
 168 void load_game(int n) {
 169   F_freemus();
 170   W_init();
 171   F_loadgame(n);
 172   set_trans(GS_GAME);
 173   V_setscr((g_trans)?fx_scr2:scrbuf);V_setrect(0,SCRW,0,SCRH);//V_setrect(0,320,0,200);
 174   V_clr(0,SCRW,0,SCRH,0);//V_clr(0,320,0,200,0);
 175   if(_2pl) {w_o=0;Z_clrst();w_o=SCRH/2;Z_clrst();}//if(_2pl) {w_o=0;Z_clrst();w_o=100;Z_clrst();}
 176   else {w_o=0;Z_clrst();}//else {w_o=50;Z_clrst();}
 177   V_setscr(scrbuf);
 178   pl1.drawst=0xFF;
 179   if(_2pl) pl2.drawst=0xFF;
 180   BM_remapfld();
 181   BM_clear(BM_PLR1|BM_PLR2|BM_MONSTER);
 182   BM_mark(&pl1.o,BM_PLR1);
 183   if(_2pl) BM_mark(&pl2.o,BM_PLR2);
 184   MN_mark();
 185   S_startmusic(music_time);
 186 }
 187
 188 void G_start(void) {
 189   char s[8];
 190
 191   F_freemus();
 192   sprintf(s,"MAP%02u",(word)g_map);
 193   F_loadmap(s);
 194   set_trans(GS_GAME);
 195   V_setscr((g_trans)?fx_scr2:scrbuf);V_setrect(0,SCRW,0,SCRH);//V_setrect(0,320,0,200);
 196   V_clr(0,SCRW,0,SCRH,0);//V_clr(0,320,0,200,0);
 197   if(_2pl) {w_o=0;Z_clrst();w_o=SCRH/2;Z_clrst();}//if(_2pl) {w_o=0;Z_clrst();w_o=100;Z_clrst();}
 198   else {w_o=0;Z_clrst();}//else {w_o=50;Z_clrst();}
 199   V_setscr(scrbuf);
 200   pl1.drawst=0xFF;
 201   if(_2pl) pl2.drawst=0xFF;
 202   g_exit=0;
 203   itm_rtime=(g_dm)?1092:0;
 204   p_immortal=0;PL_JUMP=10;
 205   g_time=0;
 206   lt_time=1000;
 207   lt_force=1;
 208   if(!_2pl) pl1.lives=3;
 209   BM_remapfld();
 210   BM_clear(BM_PLR1|BM_PLR2|BM_MONSTER);
 211   BM_mark(&pl1.o,BM_PLR1);
 212   if(_2pl) BM_mark(&pl2.o,BM_PLR2);
 213   MN_mark();
 214   S_startmusic(music_time);
 215 }
 216
 217 #define GGAS_TOTAL (MN__LAST-MN_DEMON+16+10)
 218
 219 void G_init(void) {
 220   int i,j;
 221   char s[9];
 222
 223   logo("G_init: настройка ресурсов игры ");
 224   logo_gas(5,GGAS_TOTAL);
 225   telepsnd=Z_getsnd("TELEPT");
 226   scrnh[0]=V_loadvgaimg("TITLEPIC");
 227   scrnh[1]=V_loadvgaimg("INTERPIC");
 228   scrnh[2]=V_loadvgaimg("ENDPIC");
 229   cd_scr=V_loadvgaimg("CD1PIC");
 230   for(i=0;i<2;++i) {
 231     sprintf(s,"LTN%c",i+'1');
 232     for(j=0;j<2;++j)
 233       ltn[i][j]=Z_getspr(s,j,0,NULL);
 234   }
 235   ltnsnd[0]=Z_getsnd("THUND1");
 236   ltnsnd[1]=Z_getsnd("THUND2");
 237   DOT_alloc();
 238   SMK_alloc();
 239   FX_alloc();
 240   WP_alloc();
 241   IT_alloc();
 242   SW_alloc();
 243   PL_alloc();
 244   MN_alloc();
 245   Z_initst();
 246   logo_gas(GGAS_TOTAL,GGAS_TOTAL);
 247   logo("\n");
 248   GM_init();
 249   pl1.color=0x70;
 250   pl2.color=0x60;
 251   g_trans=0;
 252 }
 253
 254 int G_beg_video(void) {
 255 /*
 256   switch(g_map) {
 257     case 3: return A8_start("FALL");
 258     case 4: return A8_start("KORIDOR");
 259     case 5: return A8_start("SKULL");
 260     case 6: return A8_start("TORCHES");
 261     case 7: return A8_start("CACO");
 262     case 8: return A8_start("DARTS");
 263     case 9: return A8_start("FISH");
 264     case 10: return A8_start("TRAP");
 265     case 11: return A8_start("JAIL");
 266     case 12: return A8_start("MMON1");
 267     case 13: return A8_start("TOWER");
 268     case 14: return A8_start("SAPOG");
 269     case 15: return A8_start("SWITCH");
 270     case 16: return A8_start("ACCEL");
 271     case 17: return A8_start("MEAT");
 272     case 18: return A8_start("LEGION");
 273     case 19: return A8_start("CLOUDS");
 274   }
 275 */
 276   return 0;
 277 }
 278
 279
 280 int G_end_video(void) {
 281 /*
 282   switch(g_map) {
 283     case 1: return A8_start("TRUBA");
 284     case 10: return A8_start("GOTCHA");
 285   }
 286 */
 287   return 0;
 288 }
 289
 290
 291 static byte transdraw=0;
 292
 293 void G_act(void) {
 294   static byte pcnt=0;
 295 /*
 296   if(g_trans) {
 297     if(g_transt==0) {
 298       V_setscr(NULL);memcpy(fx_scr1,scra,64000);
 299       V_setscr(fx_scr2);
 300       transdraw=1;G_draw();transdraw=0;
 301       V_setscr(scrbuf);
 302     }
 303     FX_trans1(g_transt*2);
 304     V_copytoscr(0,320,0,200);
 305     if(++g_transt>32) {
 306       g_trans=0;
 307     }
 308     return;
 309     g_trans=0;
 310   }
 311 */ g_trans=0;
 312
 313
 314   if(g_st==GS_BVIDEO || g_st==GS_EVIDEO) {
 315     if(!A8_nextframe() || lastkey==SDLK_ESCAPE) {
 316       if(lastkey==SDLK_ESCAPE) lastkey=0;
 317       A8_close();
 318       if(g_st==GS_BVIDEO) G_start();
 319       else goto inter;
 320     }
 321     V_copytoscr(0,SCRW,0,SCRH);//V_copytoscr(0,320,0,200);
 322     return;
 323   }else if(g_st==GS_ENDANIM || g_st==GS_END2ANIM || g_st==GS_END3ANIM) {
 324     if(!A8_nextframe()) {
 325       switch(g_st) {
 326         case GS_ENDANIM: g_st=GS_DARKEN;break;
 327         case GS_END2ANIM: g_st=GS_END3ANIM;A8_start("KONEC");break;
 328         case GS_END3ANIM: g_st=GS_ENDSCR;lastkey=0;break;
 329       }g_sttm=0;return;
 330     }
 331     V_copytoscr(0,SCRW,0,SCRH);//V_copytoscr(0,320,0,200);
 332     return;
 333   }else if(g_st==GS_DARKEN) {
 334       g_st=GS_END2ANIM;A8_start("CREDITS");
 335     return;
 336   }
 337
 338   if(GM_act()) return;
 339
 340
 341
 342   switch(g_st) {
 343         case GS_TITLE: case GS_ENDSCR:
 344
 345           return;
 346         case GS_INTER:
 347 #ifdef DEMO
 348           if(keys[0x39] || keys[0x1C] || keys[0x9C]) {
 349             set_trans(GS_TITLE);
 350           }
 351 #else
 352           if(keys[SDLK_SPACE] || keys[SDLK_RETURN] || keys[SDLK_KP_ENTER])//if(keys[0x39] || keys[0x1C] || keys[0x9C])
 353             if(!G_beg_video()) G_start(); else {
 354               g_st=GS_BVIDEO;F_freemus();
 355             }
 356 #endif
 357           return;
 358   }
 359
 360
 361   if(sky_type==2) {
 362     if(lt_time>LT_DELAY || lt_force) {
 363       if(!(rand()&31) || lt_force) {
 364         lt_force=0;
 365         lt_time=-LT_HITTIME;
 366         lt_type=rand()%2;
 367         lt_side=rand()&1;
 368         lt_ypos=rand()&31;
 369         Z_sound(ltnsnd[rand()&1],128);
 370       }
 371     }else ++lt_time;
 372   }
 373   ++g_time;
 374   pl1.hit=0;pl1.hito=-3;
 375   if(_2pl) {pl2.hit=0;pl2.hito=-3;}
 376   G_code();
 377
 378   W_act();
 379   IT_act();
 380   SW_act();
 381   if(_2pl) {
 382         if(pcnt) {PL_act(&pl1);PL_act(&pl2);}
 383         else {PL_act(&pl2);PL_act(&pl1);}
 384         pcnt^=1;
 385   }else PL_act(&pl1);
 386   MN_act();
 387   if(fld_need_remap) BM_remapfld();
 388   BM_clear(BM_PLR1|BM_PLR2|BM_MONSTER);
 389   BM_mark(&pl1.o,BM_PLR1);
 390   if(_2pl) BM_mark(&pl2.o,BM_PLR2);
 391   MN_mark();
 392   WP_act();
 393   DOT_act();
 394   SMK_act();
 395   FX_act();
 396   if(_2pl) {
 397         PL_damage(&pl1);PL_damage(&pl2);
 398         if(!(pl1.f&PLF_PNSND) && pl1.pain) PL_cry(&pl1);
 399         if(!(pl2.f&PLF_PNSND) && pl2.pain) PL_cry(&pl2);
 400         if((pl1.pain-=5) < 0) {pl1.pain=0;pl1.f&=(0xFFFF-PLF_PNSND);}
 401         if((pl2.pain-=5) < 0) {pl2.pain=0;pl2.f&=(0xFFFF-PLF_PNSND);}
 402   }else{
 403         PL_damage(&pl1);
 404         if(!(pl1.f&PLF_PNSND) && pl1.pain) PL_cry(&pl1);
 405         if((pl1.pain-=5) < 0) {pl1.pain=0;pl1.f&=(0xFFFF-PLF_PNSND);}
 406   }
 407   if(g_exit==1) {
 408
 409         if(G_end_video()) {
 410           F_freemus();
 411           g_st=GS_EVIDEO;
 412           return;
 413         }
 414
 415 inter:
 416         switch(g_map) {
 417           case 19: g_st=GS_ENDANIM;A8_start("FINAL");break;
 418           case 31: case 32: g_map=16;set_trans(GS_INTER);break;
 419           default: ++g_map;set_trans(GS_INTER);break;
 420         }
 421         F_freemus();
 422         if(g_st==GS_INTER) {
 423           F_loadmus("INTERMUS");
 424         }else {F_loadmus("\x8a\x8e\x8d\x85\x96\x0");if(mus_vol>0) {S_volumemusic(128);} }
 425         S_startmusic(0);
 426   }else if(g_exit==2) {
 427         switch(g_map) {
 428           case 31: g_map=32;set_trans(GS_INTER);break;
 429           case 32: g_map=16;set_trans(GS_INTER);break;
 430           default: g_map=31;set_trans(GS_INTER);break;
 431         }
 432         F_freemus();
 433         F_loadmus("INTERMUS");
 434         S_startmusic(0);
 435   }
 436
 437 #ifdef DEMO
 438   if(g_dm && g_time>10920) {set_trans(GS_INTER);}
 439 #endif
 440 }
 441
 442 /*
 443 static void drawview(player_t *p) {
 444   if(p->looky<-50) p->looky=-50;
 445   else if(p->looky>50) p->looky=50;
 446   w_x=p->o.x;w_y=p->o.y-12+p->looky;W_draw();PL_drawst(p);
 447 }
 448 */
 449 static void drawview(player_t *p) {
 450   if(p->looky<-SCRH/4) p->looky=-SCRH/4;
 451   else if(p->looky>SCRH/4) p->looky=SCRH/4;
 452   w_x=p->o.x;w_y=p->o.y-12+p->looky;
 453   W_draw();
 454   PL_drawst(p);
 455 }
 456
 457 static int get_pu_st(int t) {
 458   if(t>=PL_FLASH) return 1;
 459   if((t/9)&1) return 0;
 460   return 1;
 461 }
 462
 463 static void pl_info(player_t *p,int y) {
 464   dword t;
 465
 466   t=p->kills*10920/g_time;
 467   Z_gotoxy(25,y);Z_printbf("KILLS");//Z_gotoxy(25,y);Z_printbf("KILLS");
 468   Z_gotoxy(25,y+15);Z_printbf("KPM");//Z_gotoxy(25,y+15);Z_printbf("KPM");
 469   Z_gotoxy(25,y+30);Z_printbf("SECRETS %u / %u",p->secrets,sw_secrets);//Z_gotoxy(25,y+30);Z_printbf("SECRETS %u / %u",p->secrets,sw_secrets);
 470   Z_gotoxy(255,y);Z_printbf("%u",p->kills);//Z_gotoxy(255,y);Z_printbf("%u",p->kills);
 471   Z_gotoxy(255,y+15);Z_printbf("%u.%u",t/10,t%10);//Z_gotoxy(255,y+15);Z_printbf("%u.%u",t/10,t%10);
 472 }
 473
 474 void G_draw(void) {
 475   int h;
 476   word hr,mn,sc;
 477
 478   if(g_trans && !transdraw) return;
 479   switch(g_st) {
 480     case GS_ENDANIM: case GS_END2ANIM: case GS_DARKEN:
 481     case GS_BVIDEO: case GS_EVIDEO: case GS_END3ANIM:
 482       return;
 483     case GS_TITLE:
 484       V_center(1);//
 485       V_pic(0,0,scrnh[0]);
 486       V_center(0);//
 487       break;
 488     case GS_ENDSCR:
 489       V_center(1);//
 490       V_clr(0,SCRW,0,SCRH,0);V_pic(0,0,scrnh[2]);//V_clr(0,320,0,200,0);V_pic(0,0,scrnh[2]);
 491       V_center(0);//
 492       break;
 493     case GS_INTER:
 494         V_center(1);//
 495         V_clr(0,SCRW,0,SCRH,0);//
 496           V_pic(0,0,scrnh[1]);
 497           Z_gotoxy(60,20);Z_printbf("LEVEL COMPLETE");
 498           Z_calc_time(g_time,&hr,&mn,&sc);
 499           Z_gotoxy(115,40);Z_printbf("TIME %u:%02u:%02u",hr,mn,sc);
 500           h=60;
 501           if(_2pl) {
 502                 Z_gotoxy(80,h);Z_printbf("PLAYER ONE");
 503                 Z_gotoxy(80,h+70);Z_printbf("PLAYER TWO");
 504                 h+=SCRH/10;//h+=20;
 505           }
 506           pl_info(&pl1,h);
 507           if(_2pl) pl_info(&pl2,h+70);
 508           V_center(0);//
 509           break;
 510   }
 511   V_center(1);//
 512   if(g_st!=GS_GAME) {
 513     if(g_trans) return;
 514     GM_draw();
 515     V_copytoscr(0,SCRW,0,SCRH);//V_copytoscr(0,320,0,200);
 516     return;
 517   }
 518   V_center(0);//
 519
 520   if(_2pl) {
 521         w_o=0;WD=SCRW-120;HT=SCRH/2-2;drawview(&pl1);//w_o=0;drawview(&pl1);
 522         w_o=SCRH/2;WD=SCRW-120;HT=SCRH/2-2;drawview(&pl2);//w_o=100;drawview(&pl2);
 523   }else{
 524         w_o=0;WD=SCRW-120;HT=SCRH-2;drawview(&pl1);//w_o=50;drawview(&pl1);
 525   }
 526   if(g_trans) return;
 527   V_center(1);//
 528   if(GM_draw()) {
 529     pl1.drawst=pl2.drawst=0xFF;//pl1.drawst=pl2.drawst=0;
 530     V_copytoscr(0,SCRW,0,SCRH);//V_copytoscr(0,320,0,200);
 531     return;
 532   }
 533   V_center(0);//
 534   if(pl1.invl) h=get_pu_st(pl1.invl)*6;
 535   else if(pl1.pain<15) h=0;
 536   else if(pl1.pain<35) h=1;
 537   else if(pl1.pain<55) h=2;
 538   else if(pl1.pain<75) h=3;
 539   else if(pl1.pain<95) h=4;
 540   else h=5;
 541   if(h) V_maptoscr(0,SCRW-120,1,(_2pl)?(SCRH/2-2):(SCRH-2),clrmap+h*256);//if(h) V_maptoscr(0,200,(_2pl)?1:51,98,clrmap+h*256);
 542   else V_copytoscr(0,SCRW-120,1,(_2pl)?(SCRH/2-2):(SCRH-2)); //else V_copytoscr(0,200,(_2pl)?1:51,98);
 543   if(pl1.drawst) V_copytoscr(SCRW-120,120,0,_2pl?(SCRH/2):SCRH);//if(pl1.drawst) V_copytoscr(200,120,(_2pl)?0:50,100);
 544   pl1.drawst=0xFF;//pl1.drawst=0;
 545   if(_2pl) {
 546     if(pl2.invl) h=get_pu_st(pl2.invl)*6;
 547     else if(pl2.pain<15) h=0;
 548     else if(pl2.pain<35) h=1;
 549     else if(pl2.pain<55) h=2;
 550     else if(pl2.pain<75) h=3;
 551     else if(pl2.pain<95) h=4;
 552     else h=5;
 553     if(h) V_maptoscr(0,SCRW-120,SCRH/2+1,SCRH/2-2,clrmap+h*256);//if(h) V_maptoscr(0,200,101,98,clrmap+h*256);
 554     else V_copytoscr(0,SCRW-120,SCRH/2+1,SCRH/2-2);//else V_copytoscr(0,200,101,98);
 555     if(pl2.drawst) V_copytoscr(SCRW-120,120,SCRH/2,SCRH/2);//if(pl2.drawst) V_copytoscr(200,120,100,100);
 556     pl2.drawst=0xFF;//pl2.drawst=0;
 557   }
 558 }
 559
 560 void G_respawn_player(player_t *p) {
 561   int i;
 562
 563   if(dm_pnum==2) {
 564     if(p==&pl1) i=dm_pl1p^=1;
 565     else i=dm_pl2p^=1;
 566     p->o.x=dm_pos[i].x;p->o.y=dm_pos[i].y;p->d=dm_pos[i].d;
 567     FX_tfog(dm_pos[i].x,dm_pos[i].y);Z_sound(telepsnd,128);
 568     return;
 569   }
 570   do{i=myrand(dm_pnum);}while(i==dm_pl1p || i==dm_pl2p);
 571   p->o.x=dm_pos[i].x;p->o.y=dm_pos[i].y;p->d=dm_pos[i].d;
 572   if(p==&pl1) dm_pl1p=i; else dm_pl2p=i;
 573   FX_tfog(dm_pos[i].x,dm_pos[i].y);Z_sound(telepsnd,128);
 574 }