Warp Gate Movement

local modaldialog = {
        title = "Warp gate",
        message = "Select place to warp:",
        buttons = {
                {id = 1, value = "Warp"},
                {id = 2, value = "Cancel"},
                {id = 3, value = "Info"},
        },

        choices = {},

        buttonEnter = 1,
        buttonEscape = 2,

        popup = false
}

function callback(cid, button, choice)
        if button == 3 then
                local gate = warp:getWarpById(choice)
                doPlayerPopupFYI(cid, string.format("Info about %s's gate:\n\nLevel need: %d\nMana need: %d\nCan warp: yes", gate.name, gate.level, gate.mana))
        elseif button == 1 then
            if choice >= 1 then
                local gate = warp:getWarpById(choice)
                gate:Warp(cid)
            end
            return true
        end

        return true
end

for i, v in pairs(warp:getGates()) do
    if i >= 1 then
            table.insert(modaldialog.choices, {id = i, value = v.name})
    end
end

function onStepIn(cid)
        addDialog(modaldialog, 1000, cid, callback)
        return true
end