Initial import.

Author: takluyver

README.md

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+Python Sheffield Adventure Game
+===============================
+
+To play, run start.py.
+
+Note that this is written for Python 3.

README.rst

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+from collections import Counter
+from .tiles import grid
+from .tiles.start import GameWon
+
+def process_move(move):
+    move = move.upper()
+    if move == 'N':
+        return (0, 1)
+    if move == 'S':
+        return (0, -1)
+    if move == 'W':
+        return (-1, 0)
+    if move == 'E':
+        return (1, 0)
+    print("Move %s not recognised" % move)
+    return (0, 0)
+
+def main():
+    name = input("What is your name? ")
+    inventory = Counter()
+    x, y = 0, 0
+    
+    try:
+        while True:
+            tile = grid[x,y]
+            move = tile.enter(name, inventory)
+            dx, dy = process_move(move)
+            new_locn = x+dx, y+dy
+            if new_locn in grid:
+                x, y = new_locn
+            else:
+                print("The undergrowth in that direction is impenetrable. "
+                      "You turn back.")
+                print()
+            
+    except GameWon:
+        print("Congratulations!")

agps/__init__.py

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+from . import start
+
+grid = {
+(0,0): start,
+}

agps/tiles/__init__.py

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+"""(0, 0) - the square where the game starts and ends."""
+
+from agps.utils import action_prompt, move, take_words
+
+class GameWon(Exception):
+    """Abuse exception handling to escape the game loop when we finish."""
+    pass
+
+scene_contents = dict(keys_used = 0,
+                      rope = 1,
+                      )
+
+def use_key(inventory):
+    if inventory['golden key'] > 0:
+        inventory['golden key'] -= 1
+        scene_contents['keys_used'] += 1
+        if scene_contents['keys_used'] == 5:
+            raise GameWon
+        print("You put the key in and turn it carefully. "
+              "%s more to go." % 5 - scene_contents['keys_used'])
+    else:
+        print("You don't have a golden key to use.")
+use = {'use', 'insert'}
+
+def pick_up_rope(inventory):
+    if scene_contents['rope'] > 0:
+        inventory['rope'] += 1
+        scene_contents['rope'] -= 1
+        print("You put the rope in your bag. That could come in useful.")
+    else:
+        print("You already collected the rope.")
+
+def enter(name, inventory):
+    print("You are in a sizeable clearing in the forest. At your feet, you see "
+          "a mysterious trap door, with five golden keyholes. Paths lead off "
+          "in four directions, which your unerring sense of direction tells you "
+          "correspond to the four compass points.")
+    if scene_contents.get('rope'):
+        print("A short length of rope is lying on the floor.")
+    print()
+    while True:
+        action = action_prompt()
+        if action[0] is move:
+            return action[1]
+        if (action[0] in use) and ('key' in action):
+            use_key(inventory)
+        elif (action[0] in take_words) and ('rope' in action):
+            pick_up_rope(inventory)

agps/tiles/start.py

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+move = object()
+move_directions = {'n','e','s','w','north','east','south','west'}
+move_words = {'move','walk','go'}
+prepositions = {'up', 'down', 'on', 'under', 'in', 'at', 'to'}
+
+def action_prompt():
+    """Prompts for an action, splits it into words, and removes any prepositions.
+    
+    movement actions will be represented by the move token object in this module,
+    followed by a one-letter direction.
+    """
+    action = input('> ').lower().split()
+    for prep in prepositions.intersection(action):
+        action.remove(prep)
+    if len(action) == 2 and (action[0] in move_words) and (action[1] in move_directions):
+        return (move, action[1][0])
+    return action
+
+take_words = {'pick', 'take', 'get', 'collect'}

agps/utils.py

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+#!/usr/bin/python3
+import agps
+agps.main()