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