src/postMove.lua

   1 #!/usr/bin/lua
   2 --
   3 -- This script is executed every time an Entity finishes walking onto a tile.
   4 --
   5 -- We are called from within Entity::postMove() in entity.cpp. There, we are
   6 -- passed some game data. We pass three variables to this script from the
   7 -- Entity object: x, y, and entity, which represents the Entity itself.
   8 --
   9 -- We also have a C function we can call, gotoRandomTile, which takes an Entity
  10 -- object as a parameter.
  11 --
  12
  13 -- Returns true if we are standing on the specified X,Y location.
  14 function on(X, Y)
  15         return x == X and y == Y
  16 end
  17
  18 -- Returns true if we are standing on any of the specified locations.
  19 function onAny(locations)
  20         for _,loc in ipairs(locations) do
  21                 if on(loc.x, loc.y) then
  22                         return true
  23                 end
  24         end
  25         return false
  26 end
  27
  28 local redPortalLocations = {
  29         {x = 11, y = 4},
  30         {x = 4, y = 11}
  31 }
  32
  33 -- The red portals teleport us! *gasp* Excitement!
  34 if onAny(redPortalLocations) then
  35         print("Teleported!")
  36         gotoRandomTile(entity)
  37 end
  38