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[ZScript] Inconsistency between Screen->D[] and Get/SetScreenD()

4 replies · 1,328 views · Started 22 June 2007

_L_ 22 Jun 2007, 16:47 

import "std.zh"
ffc script One {
  void run() {
    Game->SetScreenD(Game->GetCurScreen()+1, 1, 1);
  }
}
ffc script Two { //for the screen right of One
  void run() {
   if (Screen->D[1] == 1) Game->PlaySound(SFX_PICKUP);
  }
}
For these scripts, the call to PlaySound will never happen.

Something which I also suspect, but haven't confirmed, is that...

Screen->D[1] == Game->GetScreenD(Game->GetCurScreen(), 1)
...will sometimes be false.

DarkDragon 22 Jun 2007, 16:58

Well, GetCurScreen() returns the index of the current screen in the current map, whereas Set/GetScreenD() takes the index of the screen in the current dmap.
As far as I know there isn't a method to return the screen index in the current dmap, though one might be useful.

DarkDragon 23 Jun 2007, 08:23

Assuming you don't know ahead of time which screens will contain the FFCs? It's ugly, but here's my solution:


import "std.zh"
//Note that this script is *catastrophic* if run on the last screen of a dmap!
ffc script One {
  void run() {
    int oldval = Screen->D[0];
    int testvalue = Rand(10000);
    Screen->D[0] = testvalue;
    int i=0;
    while(Game->GetScreenD(i++, 1) != testvalue);
    Screen->D[0] = oldval;
    Game->SetScreenD(i, 1, 1);
  }
}
ffc script Two { //for the screen right of One
  void run() {
   if (Screen->D[1] == 1) Game->PlaySound(SFX_PICKUP);
  }
}

Bottom line: we need a method GetCurDMapScreen().