- -- Show mouse coords 
-   
- function main () 
-  if (mappy.getValue(mappy.MAPWIDTH) == 0) then 
-   mappy.msgBox ("Show mouse coords", "You need to load or create a map first", mappy.MMB_OK, mappy.MMB_ICONINFO) 
-  else 
-   
-   local x = mappy.getValue (mappy.MOUSEBLOCKX) 
-   local y = mappy.getValue (mappy.MOUSEBLOCKY) 
-   mappy.msgBox("Show mouse coords", "This script should be run from a keypress, see 'Key Shortcuts' in the docs. Mouse is over block "..x..", "..y..". Useful for writing scripts which modify the map at mouse location...", mappy.MMB_OK, mappy.MMB_ICONINFO) 
-   
-  end 
- end 
-   
- test, errormsg = pcall( main ) 
- if not test then 
-     mappy.msgBox("Error ...", errormsg, mappy.MMB_OK, mappy.MMB_ICONEXCLAMATION) 
- end 
-   
-