Exemple #1
0
def log_species_summary():
    num_empires = sum(empire_species.values())
    num_species = len(fo.get_playable_species())
    exp_count = num_empires // num_species
    print "Empire Starting Species Summary for %d Empires and %d playable species" % (num_empires, num_species)
    print "Approximately %d to %d empires expected per species" % (max(0, exp_count - 1), exp_count + 1)
    print "%-16s :   # --     %%" % ("species")
    for species, count in empire_species.items():
        if count:
            print "%-16s : %3d -- %5.1f%%" % (species, count, 100.0 * count / num_empires)
    print
    inverse_native_chance = fo.native_frequency(fo.get_galaxy_setup_data().nativeFrequency)
    native_chance = 1.0 / (1e-5 + inverse_native_chance)
    print "Natives Placement Summary (native frequency: %.1f%%)" % (inverse_native_chance and (100 * native_chance))
    # as the value in the universe table is higher for a lower frequency, we have to invert it
    # exception: a value of 0 means no natives, in this case return immediately
    if inverse_native_chance <= 0:
        return
    native_potential_planet_total = sum(potential_native_planet_summary.values())
    for species in species_summary:
        if species_summary[species] > 0:
            settleable_planets = 0
            expectation_tally = 0.0
            for p_type in natives.planet_types_for_natives[species]:
                settleable_planets += potential_native_planet_summary[p_type]
                expectation_tally += native_chance * 100.0 * potential_native_planet_summary[p_type] / len(natives.natives_for_planet_type[p_type])
            expectation = expectation_tally / settleable_planets
            print "Settled natives %18s on %3d planets -- %5.1f%% of total and %5.1f%% vs %5.1f%% (actual vs expected) of %s planets" % \
                (species, species_summary[species], 100.0 * species_summary[species] / native_potential_planet_total,
                 100.0 * species_summary[species] / settleable_planets, expectation, [str(p_t) for p_t in natives.planet_types_for_natives[species]])
    print
    native_settled_planet_total = sum(settled_native_planet_summary.values())
    print "Planet Type Summary for Native Planets (native frequency: %.1f%%)" % (inverse_native_chance and (100 * native_chance))
    print "%19s : %-s" % ("Potential (% of tot)", "Settled (% of potential)")
    print "%-13s %5d : %5d" % ("Totals", native_potential_planet_total, native_settled_planet_total)
    for planet_type, planet_count in potential_native_planet_summary.items():
        settled_planet_count = settled_native_planet_summary.get(planet_type, 0)
        potential_percent = 100.0 * planet_count / native_potential_planet_total
        settled_percent = 100.0 * settled_planet_count / (1E-10 + planet_count)
        print "%-12s %5.1f%% : %5.1f%%" % (planet_type.name, potential_percent, settled_percent)
Exemple #2
0
def generate_natives(native_freq, systems, empire_home_systems):
    """
    Adds non-empire-affiliated native populations to planets.
    """

    # first, calculate the chance for natives on a planet based on the native frequency that has been passed
    # get the corresponding value for the specified natives frequency from the universe tables
    inverse_native_chance = fo.native_frequency(native_freq)
    # as the value in the universe table is higher for a lower frequency, we have to invert it
    # exception: a value of 0 means no natives, in this case return immediately
    if inverse_native_chance <= 0:
        return
    native_chance = 1.0 / float(inverse_native_chance)

    # compile a list of planets where natives can be placed
    # select only planets sufficiently far away from player home systems
    native_safe_planets = []  # list of planets safe for natives
    for candidate in systems:
        if not is_too_close_to_empire_home_systems(candidate, empire_home_systems):
            # this system is sufficiently far away from all player homeworlds, so add it's planets to our list
            native_safe_planets += fo.sys_get_planets(candidate)
    print "Number of planets far enough from players for natives to be allowed:", len(native_safe_planets)
    # if there are no "native safe" planets at all, we can stop here
    if not native_safe_planets:
        return

    # get all native species
    native_species = fo.get_native_species()
    print "Species that can be added as natives:"
    print "... " + "\n... ".join(native_species)

    # create a map with a list for each planet type containing the species
    # for which this planet type is a good environment
    # we will need this afterwards when picking natives for a planet
    natives_for_planet_type.clear()  # just to be safe
    natives_for_planet_type.update( {planet_type: [] for planet_type in planets.planet_types} )
    planet_types_for_natives.clear()
    planet_types_for_natives.update( {species: set() for species in native_species} )
    # iterate over all native species we got
    for species in native_species:
        # check the planet environment for all planet types for this species
        for planet_type in planets.planet_types:
            # if this planet type is a good environment for the species, add it to the list for this planet type
            if fo.species_get_planet_environment(species, planet_type) == fo.planetEnvironment.good:
                natives_for_planet_type[planet_type].append(species)
                planet_types_for_natives[species].add(planet_type)

    # randomly add species to planets
    # iterate over the list of "native safe" planets we compiled earlier
    for candidate in native_safe_planets:
        # select a native species to put on this planet
        planet_type = fo.planet_get_type(candidate)
        # check if we have any native species that like this planet type
        if not natives_for_planet_type[planet_type]:
            # no, continue with next planet
            continue
        statistics.potential_native_planet_summary[planet_type] += 1
        # make a "roll" against the chance for natives to determine if we shall place natives on this planet
        if random.random() > native_chance:
            # no, continue with next planet
            continue
        statistics.settled_native_planet_summary[planet_type] += 1

        # randomly pick one of the native species available for this planet type
        natives = random.choice(natives_for_planet_type[planet_type])

        # put the selected natives on the planet
        fo.planet_set_species(candidate, natives)
        # set planet as homeworld for that species
        fo.species_add_homeworld(natives, candidate)
        # set planet focus
        # check if the preferred focus for the native species is among the foci available on this planet
        available_foci = fo.planet_available_foci(candidate)
        preferred_focus = fo.species_preferred_focus(natives)
        if preferred_focus in available_foci:
            # if yes, set the planet focus to the preferred focus
            fo.planet_set_focus(candidate, preferred_focus)
        elif available_foci:
            # if no, and there is at least one available focus, just take the first of the list
            # otherwise don't set any focus
            fo.planet_set_focus(candidate, available_foci[0])
        print "Added native", natives, "to planet", fo.get_name(candidate)

        # increase the statistics counter for this native species, so a species summary can be dumped to the log later
        statistics.species_summary[natives] += 1