ZDoom

I'm sure you all know that shroud that gets revealed in RTS games as a unit moves.

I'm thinking of implementing a statistic feature:
-How much has the player explored the map ?

We have "secrets" but that doesn't tell much.

Brainstorming right now:
-Player actor emits linetrace rays often and in many directions, but with limited Range. If one and/or multiple linetraces hit walls, the sector that has those lines is added to an array or something.
In effect, player has a shroud-like-revelation that is used for sector mapping.
I guess the end result would be
total sectors - revealed sectors ... percentage wise. Thoughts ?

I've done this here.

Basically, I count the sectors with Sector.SECMF_DRAWN flag. The sectors that are found at level start are not counted as foundable (declaring the map 15% explored right on the start makes no sense).
The one problem is large inacessible areas. It can be monster teleport rooms, and special deathmatch areas in singleplayer maps. I deal with this by declaring the map explored when about 90% of the sectors are drawn.

Spoiler:

---

Code: Select all

  private static int countFoundSectors()
  {
    int foundSectors = 0;
    int nSectors     = level.sectors.size();

    for (int i = 0; i < nSectors; ++i)
      {
        Sector s       = level.sectors[i];
        bool   isFound = (s.MoreFlags & Sector.SECMF_DRAWN);
        if (isFound) { ++foundSectors; }
      }

    return foundSectors;
  }

Code: Select all

...
    int        nFoundSectors = countFoundSectors()  - _initialFoundSectorsCount;
    PlayerInfo player        = players[consolePlayer];

    // leave place for unaccessible sectors
    _progress = nFoundSectors * 11 / nSectors;
    if (_progress > 10) { _progress = 10; }
...