6 class GameError(Exception):
10 def move_pos(direction, pos_yx):
13 elif direction == 'DOWN':
15 elif direction == 'RIGHT':
17 elif direction == 'LEFT':
21 class World(game_common.World):
25 self.Thing = Thing # use local Thing class instead of game_common's
28 def proceed_to_next_player_turn(self):
29 """Run game world turns until player can decide their next step.
31 Iterates through all non-player things, on each step
32 furthering them in their tasks (and letting them decide new
33 ones if they finish). The iteration order is: first all things
34 that come after the player in the world things list, then
35 (after incrementing the world turn) all that come before the
36 player; then the player's .proceed() is run, and if it does
37 not finish his task, the loop starts at the beginning. Once
38 the player's task is finished, the loop breaks.
41 for thing in self.things[self.player_id+1:]:
44 for thing in self.things[:self.player_id]:
46 player = self.get_thing(self.player_id)
47 player.proceed(is_AI=False)
48 if player.task is None:
54 def __init__(self, thing, name, args=(), kwargs={}):
62 if self.name == 'move':
63 if len(self.args) > 0:
64 direction = self.args[0]
66 direction = self.kwargs['direction']
67 test_pos = self.thing.position[:]
68 move_pos(direction, test_pos)
69 if test_pos[0] < 0 or test_pos[1] < 0 or \
70 test_pos[0] >= self.thing.world.map_size[0] or \
71 test_pos[1] >= self.thing.world.map_size[1]:
72 raise GameError('would move outside map bounds')
73 pos_i = test_pos[0] * self.thing.world.map_size[1] + test_pos[1]
74 map_tile = self.thing.world.terrain_map[pos_i]
76 raise GameError('would move into illegal terrain')
79 class Thing(game_common.Thing):
81 def __init__(self, *args, **kwargs):
82 super().__init__(*args, **kwargs)
83 self.task = Task(self, 'wait')
88 def task_move(self, direction):
89 move_pos(direction, self.position)
91 def decide_task(self):
92 if self.position[1] > 1:
93 self.set_task('move', 'LEFT')
94 elif self.position[1] < 3:
95 self.set_task('move', 'RIGHT')
99 def set_task(self, task_name, *args, **kwargs):
100 self.task = Task(self, task_name, args, kwargs)
103 def proceed(self, is_AI=True):
104 """Further the thing in its tasks.
106 Decrements .task.todo; if it thus falls to <= 0, enacts method whose
107 name is 'task_' + self.task.name and sets .task = None. If is_AI, calls
108 .decide_task to decide a self.task.
111 if self.task.todo <= 0:
112 task = getattr(self, 'task_' + self.task.name)
113 task(*self.task.args, **self.task.kwargs)
115 if is_AI and self.task is None: