intro/intro.cpp

   1
   2 #include "../nx.h"
   3 #include "../ai/stdai.h"
   4 #include "intro.fdh"
   5
   6 static int blanktimer;
   7 #define EXIT_DELAY                              20              // delay between intro and title screen
   8
   9 bool intro_init(int param)
  10 {
  11         music(0);
  12         fade.set_full(FADE_OUT);
  13
  14         game.switchstage.mapno = STAGE_KINGS;
  15         game.switchstage.playerx = 0;
  16         game.switchstage.playery = 0;
  17         game.switchstage.eventonentry = 100;
  18         player->hide = true;
  19
  20         return 0;
  21 }
  22
  23 void intro_tick()
  24 {
  25         if (blanktimer > 0)
  26         {
  27                 ClearScreen(BLACK);
  28
  29                 if (--blanktimer == 0)
  30                         game.setmode(GM_TITLE);
  31                 return;
  32         }
  33
  34         game_tick_normal();
  35         player->y = 0;
  36
  37         // when script ends with WAI9999, detect it and move on to title screen
  38         ScriptInstance *script = GetCurrentScriptInstance();
  39         if ((script && script->delaytimer == 9999) || buttonjustpushed())
  40         {
  41                 StopScripts();
  42                 blanktimer = EXIT_DELAY;
  43         }
  44
  45         // lower time for startup
  46         if (script && script->delaytimer && script->ip == 5)
  47         {
  48                 game.showmapnametime = 0;
  49                 if (script->delaytimer > 20)
  50                         script->delaytimer = 20;
  51         }
  52 }
  53
  54 /*
  55 void c------------------------------() {}
  56 */
  57
  58 INITFUNC(AIRoutines)
  59 {
  60         ONTICK(OBJ_INTRO_KINGS, ai_intro_kings);
  61         ONTICK(OBJ_INTRO_CROWN, ai_intro_crown);
  62         ONTICK(OBJ_INTRO_DOCTOR, ai_intro_doctor);
  63 }
  64
  65 /*
  66 void c------------------------------() {}
  67 */
  68
  69 // misery/balrog in bubble
  70 void ai_intro_kings(Object *o)
  71 {
  72         switch(o->state)
  73         {
  74                 case 0:
  75                 {
  76                         o->state = 1;
  77
  78                         if (o->dir == LEFT)
  79                         {
  80                                 o->timer = 25;
  81                                 o->y -= 0x640;
  82                         }
  83                 }
  84                 case 1:
  85                 {
  86                         if (++o->timer >= 50)
  87                         {
  88                                 o->timer = 0;
  89                                 o->timer2 ^= 1;
  90                         }
  91
  92                         if (o->timer2)
  93                         {
  94                                 o->y += 0x40;
  95                         }
  96                         else
  97                         {
  98                                 o->y -= 0x40;
  99                         }
 100                 }
 101                 break;
 102         }
 103 }
 104
 105 // demon crown on throne
 106 void ai_intro_crown(Object *o)
 107 {
 108         switch(o->state)
 109         {
 110                 case 0:
 111                 {
 112                         o->x += (8 << CSF);
 113                         o->y += (14 << CSF);
 114                         o->state = 1;
 115                 }
 116                 case 1:
 117                 {
 118                         if ((++o->timer % 8) == 1)
 119                         {
 120                                 effect(o->x + random(-8<<CSF, 8<<CSF),
 121                                                 o->y + (8<<CSF),
 122                                                    EFFECT_GHOST_SPARKLE);
 123                         }
 124                 }
 125                 break;
 126         }
 127 }
 128
 129
 130 void ai_intro_doctor(Object *o)
 131 {
 132
 133         switch(o->state)
 134         {
 135                 case 0:
 136                 {
 137                         o->y -= (8 << CSF);
 138                         o->state = 1;
 139                 }
 140                 case 1:
 141                 {
 142                         o->frame = 0;
 143                 }
 144                 break;
 145
 146                 case 10:        // chuckle; facing screen
 147                 {
 148                         o->state = 11;
 149                         o->frame = 0;
 150                         o->animtimer = 0;
 151                         o->timer2 = 0;
 152                 }
 153                 case 11:
 154                 {
 155                         ANIMATE_FWD(6);
 156                         if (o->frame > 1)
 157                         {
 158                                 o->frame = 0;
 159                                 if (++o->timer2 > 7)
 160                                         o->state = 1;
 161                         }
 162                 }
 163                 break;
 164
 165                 case 20:        // walk
 166                 {
 167                         o->state = 21;
 168                         o->frame = 2;
 169                         o->animtimer = 0;
 170                 }
 171                 case 21:
 172                 {
 173                         ANIMATE(10, 2, 5);
 174                         o->x += 0x100;
 175                 }
 176                 break;
 177
 178                 case 30:        // face away
 179                 {
 180                         o->frame = 6;
 181                         o->state = 31;
 182                 }
 183                 break;
 184
 185                 case 40:        // chuckle; facing away
 186                 {
 187                         o->state = 41;
 188                         o->frame = 6;
 189                         o->animtimer = 0;
 190                         o->timer2 = 0;
 191                 }
 192                 case 41:
 193                 {
 194                         ANIMATE_FWD(6);
 195                         if (o->frame > 7)
 196                         {
 197                                 o->frame = 6;
 198                                 if (++o->timer2 > 7)
 199                                         o->state = 30;
 200                         }
 201                 }
 202                 break;
 203         }
 204 }
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