require "mapa"

editor = {
    mx = 0,
    my = 0,

    init = function(level_name)
        game_update = editor.update
        editor.new()
        --if level_name then
        --    editor.current_layer = 2
        --end
    end,

    new = function()
        mapa.new()
        editor.current_layer = 1
        editor.current_tile = 1
    end,

    update = function()
        view.origin(mapa.x,mapa.y)
        surf.cls(66)
        mapa.draw(1)
        --batman.draw()
        mapa.draw(2)

        map.surf(mapa.surf[editor.current_layer])


        local mx,my = mouse.pos()
        local tx = (mx//8)*8
        local ty = (my//8)*8
        draw.rect(tx-1,ty-1,10, 10, 9)

        if key.press(key.TAB) then
            game_update = editor.tile_picker_update
        elseif key.press(key.RIGHT) then
            mapa.x = mapa.x - 8
        elseif key.press(key.LEFT) then
            mapa.x = mapa.x + 8
        elseif key.press(key.DOWN) then
            mapa.y = mapa.y - 8
        elseif key.press(key.UP) then
            mapa.y = mapa.y + 8
        elseif key.press(key.N1) then
            editor.current_layer=1
        elseif key.press(key.N2) then
            editor.current_layer=2
        elseif key.press(key.F) then
            mapa.fill(tx//8, ty//8, map.tile(mx/8, my/8), editor.current_tile)
        elseif key.down(key.LCTRL) and key.press(key.S) then
            mapa.save()
        elseif key.down(key.LCTRL) and key.press(key.L) then
            mapa.load(1)
        end

        if mouse.down(mouse.LEFT) then
            map.tile(mx/8, my/8, editor.current_tile)
        elseif mouse.press(mouse.RIGHT) then
            editor.current_tile = map.tile(mx/8, my/8)
        end

        view.origin(0,0)
        draw.text(tostring(mx//8)..","..tostring(my//8),50,0,22)

        mx,my = mouse.pos()
        if key.down(key.SPACE) then
            if editor.mx == -1 then
                editor.mx,editor.my = mx,my
            end
            mapa.x = mapa.x + 8*(mx-editor.mx)
            mapa.y = mapa.y + 8*(my-editor.my)
            editor.mx,editor.my = mx,my
        else
            editor.mx = -1
        end

        text(tostring(editor.current_layer),0,0,22,42)
    end,

    tile_picker_update = function()
        view.origin(0,0)
        surf.cls(66)
        pal.trans(255)
        surf.source(tiles)
        local sw,sh = surf.size(tiles)
        draw.surf(0,0,sw,sh,0,0)

        if key.press(key.ESCAPE) then
            game_update = editor.update
        end

        local mx,my = mouse.pos()
        local tx = (mx//8)*8
        local ty = (my//8)*8
        draw.rect(tx-1,ty-1,10, 10, 9)
        if mouse.press(mouse.LEFT) then
            editor.current_tile = (tx//8) + (ty//8) * (sw//8)
            game_update = editor.update
            
        end

    end
}