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Only reproduce on world in home stellar system.

This commit is contained in:
Simon Forman 2024-04-15 20:12:25 -07:00
parent c432d3c6a7
commit de1a55de5e
4 changed files with 8 additions and 6 deletions
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2
data.py
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@ -60,10 +60,12 @@ TABLES = [
create table populations (
id INTEGER PRIMARY KEY AUTOINCREMENT,
species TEXT,
home_star INTEGER,
pop INTEGER,
planet INTEGER,
vessel INTEGER,
station INTEGER,
FOREIGN KEY(home_star) REFERENCES stars(id),
FOREIGN KEY(planet) REFERENCES planets(id)
check (
( case when planet is null then 0 else 1 end

BIN
game.sqlite
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8
population.py
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@ -31,7 +31,7 @@ def init_db(conn):
c = conn.cursor()
c.execute(
'''\
select id, bio, industrial_capacity
select id, bio, industrial_capacity, star
from planets
where bio > 10000 and industrial_capacity > 10000
'''
@ -40,7 +40,7 @@ def init_db(conn):
# Select some and set initial population and industry.
home_worlds = sample(list(c.fetchall()), INITIAL_NUMBER_OF_SENTIENT_PEOPLES)
for planet_id, bio, industrial_capacity in home_worlds:
for planet_id, bio, industrial_capacity, home_star_id in home_worlds:
bio -= INITIAL_POP # We know bio is above 10000 from the query above.
ind = min(INITIAL_POP, industrial_capacity)
people_name = get_name_of_planets_star(c, planet_id) + 'ians'
@ -49,8 +49,8 @@ def init_db(conn):
(bio, ind, planet_id),
)
c.execute(
'insert into populations(species, pop, planet) values (?, ?, ?)',
(people_name, INITIAL_POP, planet_id),
'insert into populations(species, home_star, pop, planet) values (?, ?, ?, ?)',
(people_name, home_star_id, INITIAL_POP, planet_id),
)
# print(planet_id, bio, industrial_capacity)
c.close()

4
server.py
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@ -74,16 +74,16 @@ def population_grows(db_cursor):
select populations.id, populations.pop, planets.id, planets.bio
from populations join planets
on populations.planet = planets.id
and populations.home_star = planets.star
'''
)
# and populations.home_star = planets.star
# People are only legally allowed to reproduce in their home
# stellar systems.
pops = list(db_cursor.fetchall())
for pop_id, pop, planet_id, bio in pops:
if pop > bio:
# famine and death! Woe!
print('WARNING population crash on planet {planet_id}!')
print(f'WARNING population crash on planet {planet_id}!')
pop = bio >> 1
bio //= 10
else: