DieHard Wolfers :: View topic

char dx4dir[4]={ 0, 1, 0, -1 }; // dx & dy based on direction
char dy4dir[4]={-1, 0, 1, 0 };

/* ================= Cmd_Use ================ */
void Cmd_Use (void)
{
objtype *check;
int checkx,checky,doornum,dir;
#ifndef ELEVFIX
boolean elevatorok;
#endif
#ifdef GAMEMSGSOBJECT
statobj_t *statptr;
#endif
#ifdef TREASURECHEST
byte chestresult;
#endif
// find which cardinal direction the player is facing
if (player->angle < ANGLES/8 || player->angle > 7*ANGLES/8)
{
dir = di_east;
#ifndef ELEVFIX
elevatorok = true;
#endif
}
else if (player->angle < 3*ANGLES/8)
{
dir = di_north;
#ifndef ELEVFIX
elevatorok = false;
#endif
}
else if (player->angle < 5*ANGLES/8)
{
dir = di_west;
#ifndef ELEVFIX
elevatorok = true;
#endif
}
else
{
dir = di_south;
#ifndef ELEVFIX
elevatorok = false;
#endif
}
checkx = player->tilex + dx4dir[dir];
checky = player->tiley + dy4dir[dir];

doornum = tilemap[checkx][checky];
if (*(mapsegs[1]+MAPSIZE*checky+checkx) == PUSHABLETILE) // pushable wall
{
PushWall (checkx,checky,dir);
return;
}
for(statptr = &statobjlist[0]; statptr != laststatobj; statptr++)
{
if(statptr->tilex == checkx && statptr->tiley == checky && !buttonheld[bt_use])
{
buttonheld[bt_use] = true; // that must react spacebar
switch (statptr->shapenum)
{
#ifdef GAMEMSGSOBJECT // Trying to use this object - give in-game message
case SPR_STAT_35: SetMessage("You won't fit in there!"); break; // Wooden Barrel
// If you want sprites to have messages for touching them - add the sprite here
// as a case, and then the message you want. ie:
case SPR_STAT_18: SetMessage ("You were expecting a Parrot?"); break; // Skeleton cage
case SPR_STAT_17: SetMessage ("You don't have time to get in the cage!"); break; // empty cage
case SPR_STAT_13: SetMessage ("Who are you? An interior decorator?"); break; // empty table
case SPR_STAT_5: SetMessage ("What? Can't I just hang around?"); break; // hanging skeleton
case SPR_STAT_37: SetMessage ("Is there anyone in there?"); break; // empty well
#endif
#ifdef PUSHOBJECT // Objects that can be pushed
case SPR_STAT_1: // Green Barrel
// Add additional pushable sprite cases here
{
check = (unsigned)actorat[statptr->tilex + dx4dir[dir]][statptr->tiley + dy4dir[dir]];
if(check) return; // Is Tile Free? Yes?No?
if (MAPSPOT(statptr->tilex + dx4dir[dir],statptr->tiley + dy4dir[dir],0) >= 1
&& MAPSPOT(statptr->tilex + dx4dir[dir],statptr->tiley + dy4dir[dir],0) <= MAXWALLTILES)
return; // Hit a wall
   if (check && check<objlist) return; // Bad or Removed Item
   (unsigned)actorat[statptr->tilex][statptr->tiley] = 0; // Free original Tile
statptr->tilex = statptr->tilex + dx4dir[dir]; // Free to move object
statptr->tiley = statptr->tiley + dy4dir[dir]; // to it's new location
statptr->visspot = &spotvis[statptr->tilex][statptr->tiley]; // Make it visible
(unsigned)actorat[statptr->tilex][statptr->tiley] = 1; // Block New Position
SetMessage ("Item Moved");
}
#endif
#ifdef TREASURECHEST // Dugtrio's idea on a Treasure Chest - BT Modified
case SPR_TRESCHEST:
{
statptr->shapenum = SPR_TRESCHESTOPEN;
   switch (US_RndT ()%10)
   {
   case 0: // surprise - ammo
   case 5:
   GiveAmmo (20,wp_pistol);
   SD_PlaySound (GETAMMOSND);
break;
   case 1: // surprise - health bonus
   case 6:
   HealSelf (50);
   SD_PlaySound (HEALTH2SND);
   break;
case 2: // Ouch! - It exploded.. and hurt the player
case 7:
SD_PlaySound (MISSILEFIRESND);
TakeDamage (30,NULL);
break;
case 3: // Points Bonus
case 8:
SD_PlaySound (BONUS4SND);
GivePoints (5000);
break;
case 4: // Chest is empty
case 9:
SD_PlaySound (SELECTITEMSND);
break;
}
StartBonusFlash ();
break;
}
#endif
default: break;
}
}
}
if (!buttonheld[bt_use] && doornum & 0x80)
{
OperateDoor (doornum & ~0x80);
}
else if (!buttonheld[bt_use] && doornum)
{
buttonheld[bt_use] = true;
switch (doornum)
{
case ELEVATORTILE: // use elevator
#ifndef ELEVFIX
if (elevatorok)
#endif
{
tilemap[checkx][checky]++; // flip switch
if (*(mapsegs[0]+MAPSIZE*player->tiley+player->tilex) == ALTELEVATORTILE)
playstate = ex_secretlevel;
else
playstate = ex_completed;
SD_StopSound();
SD_PlaySound (LEVELDONESND);
while (SD_SoundPlaying()) SD_Poll(); // Allow for longer switch sounds
SD_WaitSoundDone();
break;
}
#ifdef PUSHSWITCH
case SWITCHTILE:
case SWITCHTILE+1:
SD_PlaySound (LEVELDONESND);
if (doornum == SWITCHTILE)
{
#ifdef GAMEMSGS
SetMessage ("Do you hear something moving?");
#endif
tilemap[checkx][checky]++;
}
else
{
#ifdef GAMEMSGS
SetMessage ("Did you hear something move this time?");
#endif
tilemap[checkx][checky]--;
}
switch (MAPSPOT(checkx,checky,1))
{
case 700: // Pushwall North
PushWall (pwx,pwy,di_north);
break;
case 701: // Pushwall South
PushWall (pwx,pwy,di_south);
break;
case 702: // Pushwall East
PushWall (pwx,pwy,di_east);
break;
case 703: // Pushwall West
PushWall (pwx,pwy,di_west);
break;
case 708: // Pushwall2 North
PushWall (pw2x,pw2y,di_north);
break;
case 709: // Pushwall2 South
PushWall (pw2x,pw2y,di_south);
break;
case 710: // Pushwall2 East
PushWall (pw2x,pw2y,di_east);
break;
case 711: // Pushwall2 West
PushWall (pw2x,pw2y,di_west);
break;
case 716: // Pushwall3 North
PushWall (pw3x,pw3y,di_north);
break;
case 717: // Pushwall3 South
PushWall (pw3x,pw3y,di_south);
break;
case 718: // Pushwall3 East
PushWall (pw3x,pw3y,di_east);
break;
case 719: // Pushwall3 West
PushWall (pw3x,pw3y,di_west);
break;
case 724: // Pushwall4 North
PushWall (pw4x,pw4y,di_north);
break;
case 725: // Pushwall4 South
PushWall (pw4x,pw4y,di_south);
break;
case 726: // Pushwall4 East
PushWall (pw4x,pw4y,di_east);
break;
case 727: // Pushwall4 West
PushWall (pw4x,pw4y,di_west);
break;
}
break;
#endif
#ifdef AMMOWALLS // Ammo Rack
case AMMOWALLTILE:
if(gamestate.ammo >= MAXAMMO) return;
tilemap[checkx][checky]++;
#ifdef GAMEMSGS
SetMessage (AMMOWALLMSG);
#endif
SD_PlaySound(GETAMMOSND);
GiveAmmo (AMMOWALLAMMO,wp_pistol);
StartBonusFlash();
break;
#endif
#ifdef HEALTHWALLS
case HEALTHWALLTILE:
if(gamestate.health >= MAXHEALTH) return;
tilemap[checkx][checky]++;
#ifdef GAMEMSGS
SetMessage (HEALTHWALLMSG);
#endif
SD_PlaySound(HEALTH2SND);
HealSelf (HEALTHWALLHEALTH);
StartBonusFlash();
break;
#endif
default:
break;
}
}
else SD_PlaySound (DONOTHINGSND);
}