nuclear_reactor: Add error messages on start failure (#574)

Cedric Haase

2021-01-06 11e43ffe134f6483905b18662a544dec384b231c

nuclear_reactor: Add error messages on start failure (#574)

 technic/machines/HV/nuclear_reactor.lua

@@ -217,24 +217,33 @@


local function start_reactor(pos, meta)
    local correct_fuel_count = 6
    local msg_fuel_missing = "Error: You need to insert " .. correct_fuel_count .. " pieces of Uranium Fuel."

    if minetest.get_node(pos).name ~= "technic:hv_nuclear_reactor_core" then
        return false
        return msg_fuel_missing
    end
    local inv = meta:get_inventory()
    if inv:is_empty("src") then
        return false
        return msg_fuel_missing
    end
    local src_list = inv:get_list("src")
    local correct_fuel_count = 0
    local fuel_count = 0
    for _, src_stack in pairs(src_list) do
        if src_stack and src_stack:get_name() == fuel_type then
            correct_fuel_count = correct_fuel_count + 1
            fuel_count = fuel_count + 1
        end
    end
    -- Check that the reactor is complete and has the correct fuel
    if correct_fuel_count ~= 6 or reactor_structure_badness(pos) ~= 0 then
        return false
    -- Check that the has the correct fuel
    if fuel_count ~= correct_fuel_count then
        return msg_fuel_missing
    end

    -- Check that the reactor is complete
    if reactor_structure_badness(pos) ~= 0 then
        return "Error: The power plant seems to be built incorrectly."
    end

    meta:set_int("burn_time", 1)
    technic.swap_node(pos, "technic:hv_nuclear_reactor_core_active")
    meta:set_int("HV_EU_supply", power_supply)
@@ -242,7 +251,8 @@
        src_stack:take_item()
        inv:set_stack("src", idx, src_stack)
    end
    return true

    return nil
end


@@ -281,7 +291,7 @@
                    "fuel used", 6, true)
        end
        if meta:get_string("autostart") == "true" then
            if start_reactor(pos, meta) then
            if not start_reactor(pos, meta) then
                return
            end
        end
@@ -313,11 +323,11 @@
        meta:set_string("remote_channel", fields.remote_channel)
    end
    if fields.start then
        local b = start_reactor(pos, meta)
        if b then
        local start_error_msg = start_reactor(pos, meta)
        if not start_error_msg then
            minetest.chat_send_player(player_name, "Start successful")
        else
            minetest.chat_send_player(player_name, "Error")
            minetest.chat_send_player(player_name, start_error_msg)
        end
    end
    if fields.autostart then
@@ -385,11 +395,11 @@
            melt_down_reactor(pos)
        end
    elseif msg.command == "start" then
        local b = start_reactor(pos, meta)
        if b then
        local start_error_msg = start_reactor(pos, meta)
        if not start_error_msg then
            digiline_remote.send_to_node(pos, channel, "Start successful", 6, true)
        else
            digiline_remote.send_to_node(pos, channel, "Error", 6, true)
            digiline_remote.send_to_node(pos, channel, start_error_msg, 6, true)
        end
    end
end