Raven mod control.lua with equipmentgrid

global.flycar = {{},{}}

local function build (ent)
    if ent.name =="raven-1" then
        table.insert(global.flycar[1], ent)
    end
end

local function car_flying ()
    local cars = global.flycar
    for i,j in pairs(cars[1]) do
        if j.valid then
            if j.speed >= 0.3 then
                local fly = {position = j.position, speed = j.speed, orientation = j.orientation, health = j.health, itemburn = j.burner.currently_burning, fuel = j.burner.remaining_burning_fuel}
                local idx = j.passenger
                local surface = j.surface
                local inv = j.get_inventory(1).get_contents()
                local inv2 = j.get_inventory(2).get_contents()
              local grid = {}
                for _, equipment in pairs(j.grid.equipment) do
                  table.insert(grid, {name = equipment.name, position = equipment.position, shield = equipment.shield, energy = equipment.energy})
                end
                j.destroy()
                j = surface.create_entity{name = "raven-2", position = fly.position, force =  game.forces.player}
                for y,u in pairs(inv) do
                    j.insert({name = y, count = u})
                end
                for y,u in pairs(inv2) do
                    j.insert({name = y, count = u})
                end
                j.orientation = fly.orientation
                j.speed = fly.speed
                j.health = fly.health
                j.burner.currently_burning = fly.itemburn
                j.burner.remaining_burning_fuel = fly.fuel
              for _, eqm in pairs(grid) do
                    local current_equipment = j.grid.put({name = eqm.name, position = eqm.position})
                    if current_equipment and current_equipment.valid then
                        if current_equipment.max_shield > 0 then current_equipment.shield = eqm.shield end
                        if current_equipment.max_energy > 0 then current_equipment.energy = eqm.energy end
                    end
                end
                j.passenger = idx
                local shadow = surface.create_entity{name = "raven-shadow", position = fly.position, force =  game.forces.neutral}
                shadow.insert({name = "solid-fuel", count = 50})
                shadow.orientation = fly.orientation
                shadow.speed = fly.speed
                table.insert(cars[2], {j,shadow,0.1})
            end
        else table.remove(cars[1], i)
        end
    end
    for i,j in pairs(cars[2]) do
        if j[1].valid then
            if j[1].speed <= 0.27 then
                local idx = j[1].passenger
                local surface = j[1].surface
                local tilename = surface.get_tile(math.floor(j[1].position.x), math.floor(j[1].position.y)).name
                if tilename == "deepwater" or tilename == "water" then
                    j[1].die()
                    j[2].destroy()
                    if idx ~= nil then
                        if idx.valid then
                            local position = idx.position
                            tilename = surface.get_tile(math.floor(position.x), math.floor(position.y)).name
                            if tilename == "deepwater" or tilename == "water" then idx.die() return
                            else idx.health = idx.health - math.random(1,52)
                                if idx.health == 0 then idx.die() return end
                            end
                        end
                    end
                else
                    local fly = {position = j[1].position, speed = j[1].speed, orientation = j[1].orientation, health = j[1].health, itemburn = j[1].burner.currently_burning, fuel = j[1].burner.remaining_burning_fuel}
                    local inv = j[1].get_inventory(1).get_contents()
                    local inv2 = j[1].get_inventory(2).get_contents()
                    local grid = {}
                    for _, equipment in pairs(j[1].grid.equipment) do
                      table.insert(grid, {name = equipment.name, position = equipment.position, shield = equipment.shield, energy = equipment.energy})
                    end
                    j[1].destroy()
                    j[2].destroy()
                    j = surface.create_entity{name = "raven-1", position = fly.position, force =  game.forces.player}
                    for y,u in pairs(inv) do
                        j.insert({name = y, count = u})
                    end
                    for y,u in pairs(inv2) do
                        j.insert({name = y, count = u})
                    end
                    j.orientation = fly.orientation
                    j.speed = fly.speed
                    j.health = fly.health
                    j.burner.currently_burning = fly.itemburn
                    j.burner.remaining_burning_fuel = fly.fuel
                    if tilename == "sand" or tilename == "sand-dark" then j.health = j.health - math.random(1,12) end
                    for _, eqm in pairs(grid) do
                        local current_equipment = j.grid.put({name = eqm.name, position = eqm.position})
                        if current_equipment and current_equipment.valid then
                            if current_equipment.max_shield > 0 then current_equipment.shield = eqm.shield end
                            if current_equipment.max_energy > 0 then current_equipment.energy = eqm.energy end
                        end
                    end
                    j.passenger = idx
                    table.insert(cars[1], j)
                end
            else
                local chight = (j[1].speed - 0.29)*10 - j[3]
                j[3] = j[3] + chight
                j[1].teleport({j[1].position.x, j[1].position.y - chight})
                j[2].teleport({j[1].position.x + j[3], j[1].position.y + j[3]})
                j[2].orientation = j[1].orientation
                j[2].speed = j[1].speed
            end
        else
            if j[2].valid then j[2].destroy() end
            table.remove(cars[2], i)
        end
    end
end

--[[    Кусок кода для версии factorio, когда можно было покинуть транспорт на воде и не помереть.
local function drive_control(idx)
    local player = game.players[idx]
    if not player.driving then
        local tilename = player.surface.get_tile(math.floor(player.position.x), math.floor(player.position.y)).name
        if tilename == "deepwater" or tilename == "water" then player.character.die() return end
    end
end

script.on_event(defines.events.on_player_driving_changed_state, function(event)
    drive_control(event.player_index)
end)]]

script.on_event(defines.events.on_built_entity, function(event)
    build(event.created_entity)
end)

script.on_event(defines.events.on_robot_built_entity, function(event)
    build(event.created_entity)
end)

script.on_event(defines.events.on_tick, function()
    car_flying()
end)