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basic-computer-games/07_Basketball/python/basketball.py
Martin Thoma 8495e59a8f Python: Make code testable
Avoid executing code on module level as this prevents importing the
module for testing. Especially infinite loops are evil.
2022-03-19 09:54:52 +01:00

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import random
# The basketball class is a computer game that allows you to play as
# Dartmouth College's captain and playmaker
# The game uses set probabilites to simulate outcomes of each posession
# You are able to choose your shot types as well as defensive formations
class Basketball:
def __init__(self):
self.time = 0
self.score = [0, 0] # first value is opponents score, second is home
self.defense = None
self.defense_choices = [6, 6.5, 7, 7.5]
self.shot = None
self.shot_choices = [0, 1, 2, 3, 4]
self.z1 = None
# Explains the keyboard inputs
print("\t\t\t Basketball")
print("\t Creative Computing Morristown, New Jersey\n\n\n")
print("This is Dartmouth College basketball. ")
print("Υou will be Dartmouth captain and playmaker.")
print("Call shots as follows:")
print(
"1. Long (30ft.) Jump Shot; "
"2. Short (15 ft.) Jump Shot; "
"3. Lay up; 4. Set Shot"
)
print("Both teams will use the same defense. Call Defense as follows:")
print("6. Press; 6.5 Man-to-Man; 7. Zone; 7.5 None.")
print("To change defense, just type 0 as your next shot.")
print("Your starting defense will be? ", end="")
# takes input for a defense
try:
self.defense = float(input())
except ValueError:
self.defense = None
# if the input wasn't a valid defense, takes input again
while self.defense not in self.defense_choices:
print("Your new defensive allignment is? ", end="")
try:
self.defense = float(input())
except ValueError:
continue
# takes input for opponent's name
print("\nChoose your opponent? ", end="")
self.opponent = input()
self.start_of_period()
# adds points to the score
# team can take 0 or 1, for opponent or Dartmouth, respectively
def add_points(self, team, points):
self.score[team] += points
self.print_score()
def ball_passed_back(self):
print("Ball passed back to you. ", end="")
self.dartmouth_ball()
# change defense, called when the user enters 0 for their shot
def change_defense(self):
self.defense = None
while self.defense not in self.defense_choices:
print("Your new defensive allignment is? ")
try:
self.defense = float(input())
except ValueError:
continue
self.dartmouth_ball()
# simulates two foul shots for a player and adds the points
def foul_shots(self, team):
print("Shooter fouled. Two shots.")
if random.random() > 0.49:
if random.random() > 0.75:
print("Both shots missed.")
else:
print("Shooter makes one shot and misses one.")
self.score[team] += 1
else:
print("Shooter makes both shots.")
self.score[team] += 2
self.print_score()
# called when t = 50, starts a new period
def halftime(self):
print("\n ***** End of first half *****\n")
self.print_score()
self.start_of_period()
# prints the current score
def print_score(self):
print("Score: " + str(self.score[1]) + " to " + str(self.score[0]) + "\n")
# simulates a center jump for posession at the beginning of a period
def start_of_period(self):
print("Center jump")
if random.random() > 0.6:
print("Dartmouth controls the tap.\n")
self.dartmouth_ball()
else:
print(self.opponent + " controls the tap.\n")
self.opponent_ball()
# called when t = 92
def two_minute_warning(self):
print(" *** Two minutes left in the game ***")
# called when the user enters 1 or 2 for their shot
def dartmouth_jump_shot(self):
self.time += 1
if self.time == 50:
self.halftime()
elif self.time == 92:
self.two_minute_warning()
print("Jump Shot.")
# simulates chances of different possible outcomes
if random.random() > 0.341 * self.defense / 8:
if random.random() > 0.682 * self.defense / 8:
if random.random() > 0.782 * self.defense / 8:
if random.random() > 0.843 * self.defense / 8:
print("Charging foul. Dartmouth loses ball.\n")
self.opponent_ball()
else:
# player is fouled
self.foul_shots(1)
self.opponent_ball()
else:
if random.random() > 0.5:
print(
"Shot is blocked. Ball controlled by "
+ self.opponent
+ ".\n"
)
self.opponent_ball()
else:
print("Shot is blocked. Ball controlled by Dartmouth.")
self.dartmouth_ball()
else:
print("Shot is off target.")
if self.defense / 6 * random.random() > 0.45:
print("Rebound to " + self.opponent + "\n")
self.opponent_ball()
else:
print("Dartmouth controls the rebound.")
if random.random() > 0.4:
if self.defense == 6 and random.random() > 0.6:
print("Pass stolen by " + self.opponent + ", easy lay up")
self.add_points(0, 2)
self.dartmouth_ball()
else:
# ball is passed back to you
self.ball_passed_back()
else:
print("")
self.dartmouth_non_jump_shot()
else:
print("Shot is good.")
self.add_points(1, 2)
self.opponent_ball()
# called when the user enters 0, 3, or 4
# lay up, set shot, or defense change
def dartmouth_non_jump_shot(self):
self.time += 1
if self.time == 50:
self.halftime()
elif self.time == 92:
self.two_minute_warning()
if self.shot == 4:
print("Set shot.")
elif self.shot == 3:
print("Lay up.")
elif self.shot == 0:
self.change_defense()
# simulates different outcomes after a lay up or set shot
if 7 / self.defense * random.random() > 0.4:
if 7 / self.defense * random.random() > 0.7:
if 7 / self.defense * random.random() > 0.875:
if 7 / self.defense * random.random() > 0.925:
print("Charging foul. Dartmouth loses the ball.\n")
self.opponent_ball()
else:
print("Shot blocked. " + self.opponent + "'s ball.\n")
self.opponent_ball()
else:
self.foul_shots(1)
self.opponent_ball()
else:
print("Shot is off the rim.")
if random.random() > 2 / 3:
print("Dartmouth controls the rebound.")
if random.random() > 0.4:
print("Ball passed back to you.\n")
self.dartmouth_ball()
else:
self.dartmouth_non_jump_shot()
else:
print(self.opponent + " controls the rebound.\n")
self.opponent_ball()
else:
print("Shot is good. Two points.")
self.add_points(1, 2)
self.opponent_ball()
# plays out a Dartmouth posession, starting with your choice of shot
def dartmouth_ball(self):
print("Your shot? ", end="")
self.shot = None
try:
self.shot = int(input())
except ValueError:
self.shot = None
while self.shot not in self.shot_choices:
print("Incorrect answer. Retype it. Your shot? ", end="")
try:
self.shot = int(input())
except Exception:
continue
if self.time < 100 or random.random() < 0.5:
if self.shot == 1 or self.shot == 2:
self.dartmouth_jump_shot()
else:
self.dartmouth_non_jump_shot()
else:
if self.score[0] != self.score[1]:
print("\n ***** End Of Game *****")
print(
"Final Score: Dartmouth: "
+ str(self.score[1])
+ " "
+ self.opponent
+ ": "
+ str(self.score[0])
)
else:
print("\n ***** End Of Second Half *****")
print("Score at end of regulation time:")
print(
" Dartmouth: "
+ str(self.score[1])
+ " "
+ self.opponent
+ ": "
+ str(self.score[0])
)
print("Begin two minute overtime period")
self.time = 93
self.start_of_period()
# simulates the opponents jumpshot
def opponent_jumpshot(self):
print("Jump Shot.")
if 8 / self.defense * random.random() > 0.35:
if 8 / self.defense * random.random() > 0.75:
if 8 / self.defense * random.random() > 0.9:
print("Offensive foul. Dartmouth's ball.\n")
self.dartmouth_ball()
else:
self.foul_shots(0)
self.dartmouth_ball()
else:
print("Shot is off the rim.")
if self.defense / 6 * random.random() > 0.5:
print(self.opponent + " controls the rebound.")
if self.defense == 6:
if random.random() > 0.75:
print("Ball stolen. Easy lay up for Dartmouth.")
self.add_points(1, 2)
self.opponent_ball()
else:
if random.random() > 0.5:
print("")
self.opponent_non_jumpshot()
else:
print("Pass back to " + self.opponent + " guard.\n")
self.opponent_ball()
else:
if random.random() > 0.5:
self.opponent_non_jumpshot()
else:
print("Pass back to " + self.opponent + " guard.\n")
self.opponent_ball()
else:
print("Dartmouth controls the rebound.\n")
self.dartmouth_ball()
else:
print("Shot is good.")
self.add_points(0, 2)
self.dartmouth_ball()
# simulates opponents lay up or set shot
def opponent_non_jumpshot(self):
if self.z1 > 3:
print("Set shot.")
else:
print("Lay up")
if 7 / self.defense * random.random() > 0.413:
print("Shot is missed.")
if self.defense / 6 * random.random() > 0.5:
print(self.opponent + " controls the rebound.")
if self.defense == 6:
if random.random() > 0.75:
print("Ball stolen. Easy lay up for Dartmouth.")
self.add_points(1, 2)
self.opponent_ball()
else:
if random.random() > 0.5:
print("")
self.opponent_non_jumpshot()
else:
print("Pass back to " + self.opponent + " guard.\n")
self.opponent_ball()
else:
if random.random() > 0.5:
print("")
self.opponent_non_jumpshot()
else:
print("Pass back to " + self.opponent + " guard\n")
self.opponent_ball()
else:
print("Dartmouth controls the rebound.\n")
self.dartmouth_ball()
else:
print("Shot is good.")
self.add_points(0, 2)
self.dartmouth_ball()
# simulates an opponents possesion
# #randomly picks jump shot or lay up / set shot.
def opponent_ball(self):
self.time += 1
if self.time == 50:
self.halftime()
self.z1 = 10 / 4 * random.random() + 1
if self.z1 > 2:
self.opponent_non_jumpshot()
else:
self.opponent_jumpshot()
if __name__ == "__main__":
Basketball()