Armor : Tool
    equipment_grid = EquipmentGridPrototype
    resistances = table of Resistances

errors:
    equipment_grid ~= 0 and stack_size > 1
        throws error(string.format("Error in setting of armor: \"%s\", stack size has to be 1 if the equipment grid isn't zero.", armor.name))

EquipmentGridPrototype
    width = uint32_t(0)
    height = uint32_t(0)
