<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<el:level xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://enigma-game.org/schema/level/1 level.xsd" xmlns:el="http://enigma-game.org/schema/level/1">
  <el:protected>
    <el:info el:type="level">
      <el:identity el:title="Grow Your Own" el:subtitle="" el:id="natmaze5"/>
      <el:version el:score="1" el:release="1" el:revision="0" el:status="released"/>
      <el:author  el:name="Nat Pryce" el:email="" el:homepage=""/>
      <el:copyright>Copyright © 2002 Nat Pryce</el:copyright>
      <el:license el:type="GPL v2.0 or above" el:open="true"/>
      <el:compatibility el:enigma="0.92">
       <el:dependency el:path="lib/natmaze" el:id="lib/natmaze" el:release="1" el:preload="true"/>
      </el:compatibility>
      <el:modes el:easy="false" el:single="true" el:network="false"/>
      <el:comments>
        <el:code>Lua 5.1 and XML converted by Leveladministrators</el:code>
      </el:comments>
      <el:score el:easy="-" el:difficult="-"/>
    </el:info>
    <el:luamain><![CDATA[
maze = new_kruskal_maze(38,24)   
originx = 1
originy = 1
visited = {}

function cell_to_level( cellx, celly )
    return originx + cellx * 2, originy + celly * 2
end

function show_neighbours( cellx, celly )
    local x, y = cell_to_level( cellx, celly )
    
    if maze:can_go_west( cellx, celly ) then
        set_floor( "fl-gray", x-1, y )
        show_cell( cellx-1, celly )
    end
    if maze:can_go_east( cellx, celly ) then
        set_floor( "fl-gray", x+1, y )
        show_cell( cellx+1, celly )
    end
    if maze:can_go_north( cellx, celly ) then
        set_floor( "fl-gray", x, y-1 )
        show_cell( cellx, celly-1 )
    end
    if maze:can_go_south( cellx, celly ) then
        set_floor( "fl-gray", x, y+1 )
        show_cell( cellx, celly+1 )
    end
end

function show_cell( cellx, celly )
    cell_id = maze:coords_to_cell(cellx,celly)
    if visited[cell_id] then
        return
    end
    
    local x, y = cell_to_level( cellx, celly )
    function_name = "trigger_"..cell_id
    
    function trigger_callback( on )
        if on == 1 then
            show_neighbours( cellx, celly )
        end
    end
    setglobal( function_name, trigger_callback )
    
    set_floor( "fl-gray", x, y )
    set_item( "it-trigger", x, y, {action="callback",target=function_name} )
    
    visited[cell_id] = 1
end

create_world( maze.width*2 + 2, maze.height*2 + 2 )
fill_floor( "fl-abyss")

oxyd(1,0)
oxyd(2*maze.width-1,2*maze.height)
oxyd(1,2*maze.height)
oxyd(2*maze.width-1,0)

local startx, starty = random(maze.width)-1, random(maze.height)-1
local actorx, actory = cell_to_level( startx, starty )
set_floor( "fl-gray", actorx, actory )
show_neighbours( startx, starty )

set_actor( "ac-blackball", actorx + 0.5, actory + 0.5 )
display.SetFollowMode(display.FOLLOW_SCROLLING)
    ]]></el:luamain>
    <el:i18n>
      <el:string el:key="title">
        <el:english el:translate="false"/>
      </el:string>
    </el:i18n>
  </el:protected>
</el:level>
