Strategická: Update pythoní templaty

klient/play.py

@@ -7,36 +7,42 @@ import json
 import sys
 
 
-class Action(enum.Enum):
-    UP = enum.auto()
-    DOWN = enum.auto()
-    LEFT = enum.auto()
-    RIGHT = enum.auto()
-    STAY = enum.auto()
-
-    def invert(self) -> Action:
-        INVERSIONS = {
-            Action.UP: Action.DOWN,
-            Action.DOWN: Action.UP,
-            Action.LEFT: Action.RIGHT,
-            Action.RIGHT: Action.LEFT,
-            Action.STAY: Action.STAY,
-        }
-        return INVERSIONS[self]
+# Třídy reprezentující hru
+
+class Direction(enum.Enum):
+    UP = 0
+    LEFT = 1
+    DOWN = 2
+    RIGHT = 3
+    STAY = None
+
+    def combine(self, other) -> Direction:
+        return Direction((self.value + other.value)%4)
+
+    def invert(self) -> Direction:
+        if self == Direction.STAY:
+            return self
+        return self.combine(Direction.DOWN)
 
     def __str__(self) -> str:
         return self.name.lower()
 
 
-class State:
-    def __init__(self, state: dict) -> None:
-        self.world = parse_world(state["state"]["world"])
-        self.my_team_id: int = state["team_id"]
-        self.round_number: int = state["round"]
-        self.time_to_response: Optional[int] = state["time_to_response"]
+class Team:
+    home: 'Field'
 
+    def __init__(self, id: int, is_me: bool) -> None:
+        self.id: int = id
+        self.is_me = is_me
+        self.protected_fields: List[Field] = []
+        self.occupied: List[Field] = []
+        self.members: List[Member] = []
 
-state: State
+    def __eq__(self, other: Field) -> bool:
+        return (self.id) == (other.id)
+
+    def __hash__(self) -> int:
+        return hash(self.id)
 
 
 class Member:
@@ -44,22 +50,22 @@ class Member:
         self.field = field
         self.team = team
         self.id = id
-        self.action = Action.STAY
+        self.action = Direction.STAY
 
 
 class Field:
     members: List[Member]
 
     def __init__(self, i: int, j: int, hill: bool,
-                 home_for_team: Optional[int],
-                 occupied_by_team: Optional[int],
-                 protected_for_team: Optional[int],) -> None:
-        self.i = i
-        self.j = j
-        self.hill = hill
-        self.home_for_team = home_for_team
-        self.occupied_by_team = occupied_by_team
-        self.protected_for_team = protected_for_team
+                 home_for_team: Optional[Team],
+                 occupied_by_team: Optional[Team],
+                 protected_for_team: Optional[Team],) -> None:
+        self.i: int = i
+        self.j: int = j
+        self.hill: bool = hill
+        self.home_for_team: Optional[Team] = home_for_team
+        self.occupied_by_team: Optional[Team] = occupied_by_team
+        self.protected_for_team: Optional[Team] = protected_for_team
 
     def __eq__(self, other: Field) -> bool:
         return (self.i, self.j) == (other.i, other.j)
@@ -67,17 +73,17 @@ class Field:
     def __hash__(self) -> int:
         return hash((self.i, self.j))
 
-    def get_neighbour_field(self, action: Action) -> Field:
-        if action == Action.UP:
+    def get_neighbour_field(self, action: Direction) -> Field:
+        if action == Direction.UP:
             neighbour_i = self.i - 1
             neighbour_j = self.j
-        elif action == Action.DOWN:
+        elif action == Direction.DOWN:
             neighbour_i = self.i + 1
             neighbour_j = self.j
-        elif action == Action.LEFT:
+        elif action == Direction.LEFT:
             neighbour_i = self.i
             neighbour_j = self.j - 1
-        elif action == Action.RIGHT:
+        elif action == Direction.RIGHT:
             neighbour_i = self.i
             neighbour_j = self.j + 1
         else:
@@ -88,7 +94,7 @@ class Field:
         neighbour_j %= len(state.world[0])
         return state.world[neighbour_i][neighbour_j]
 
-    def is_accessible(self, team: int) -> bool:
+    def is_accessible(self, team: Team) -> bool:
         """If this field is accessible for the given team."""
 
         if self.hill:
@@ -98,19 +104,69 @@ class Field:
             return False
         return True
 
+# Celý stav hry včetně parsování a vypisování
 
-def main() -> None:
-    global state
-    state = State(json.loads(sys.stdin.read()))
-    my_members = find_team_members(state.my_team_id)
+class State:
+    def __init__(self, state: dict) -> None:
+        self.teams = [Team(i, i==state["team_id"]) for i in range(state["teams_count"])]
+        self.world = self._parse_world(state["state"]["world"])
+        self.my_team: Team = self.teams[state["team_id"]]
+        self.round_number: int = state["round"]
+        self.time_to_response: Optional[int] = state["time_to_response"]
 
-    # TODO: set actions for all members
-    # example: all members go up
-    for member in my_members:
-        member.action = Action.UP
+    def _parse_world(self, world: dict) -> List[List[Field]]:
+        def get_team(team_id):
+            return None if team_id is None else self.teams[team_id]
+
+        fields = []
+        for i, row in enumerate(world):
+            fields_row = []
+            for j, field in enumerate(row):
+                parsed_field = Field(
+                    i, j,
+                    field["hill"],
+                    get_team(field["home_for_team"]),
+                    get_team(field["occupied_by_team"]),
+                    get_team(field["protected_for_team"]),
+                )
+                if parsed_field.home_for_team:
+                    parsed_field.home_for_team.home = parsed_field
+                if parsed_field.occupied_by_team:
+                    parsed_field.occupied_by_team.occupied.append(parsed_field)
+                if parsed_field.protected_for_team:
+                    parsed_field.protected_for_team.protected_fields.append(parsed_field)
+                members = []
+                for member in field["members"]:
+                    m = Member(
+                        parsed_field,
+                        self.teams[member["team"]],
+                        member["id"],
+                    )
+                    members.append(m)
+                    m.team.members.append(m)
+                parsed_field.members = members
+                fields_row.append(parsed_field)
+
+            fields.append(fields_row)
+        return fields
+
+
+    def build_turn(self) -> dict:
+        for team in self.teams:
+            if not team.is_me:
+                for member in team.members:
+                    if member.action is not Direction.STAY:
+                        raise Exception("Akce přiřazena cizímu týmu")
+        return {
+            "members": [
+                {"id": member.id, "action": str(member.action)}
+                for member in self.my_team.members
+            ]
+        }
 
-    print(json.dumps(build_turn(my_members)))
+state: State
 
+# Algoritmy
 
 def find_fields(predicate: Callable[[Field], bool]) -> List[Field]:
     """Find all fields that satisfy the given predicate."""
@@ -123,19 +179,7 @@ def find_fields(predicate: Callable[[Field], bool]) -> List[Field]:
     return result
 
 
-def find_team_members(team_id: int) -> List[Member]:
-    """Find all members that belong to the given team."""
-
-    result = []
-    for row in state.world:
-        for field in row:
-            for member in field.members:
-                if member.team == team_id:
-                    result.append((member))
-    return result
-
-
-def pathfind(member: Member, goal: Field) -> Action:
+def pathfind(member: Member, goal: Field) -> Direction:
     """Find the shortest path from member position to goal.
 
     Returns the first action to take.
@@ -148,7 +192,7 @@ def pathfind(member: Member, goal: Field) -> Action:
     queue = collections.deque([goal])
     while queue:
         field = queue.popleft()
-        for action in Action:
+        for action in Direction:
             neighbour = field.get_neighbour_field(action)
             if (neighbour in explored or
                 not neighbour.is_accessible(member.team)):
@@ -157,43 +201,20 @@ def pathfind(member: Member, goal: Field) -> Action:
                 return action.invert()
             queue.append(neighbour)
             explored.add(neighbour)
-    return Action.STAY
-
-
-def build_turn(members: Iterable[Member]) -> dict:
-    return {
-        "members": [
-            {"id": member.id, "action": str(member.action)}
-            for member in members
-        ]
-    }
-
-
-def parse_world(world: dict) -> List[List[Field]]:
-    fields = []
-    for i, row in enumerate(world):
-        fields_row = []
-        for j, field in enumerate(row):
-            parsed_field = Field(
-                i, j,
-                field["hill"],
-                field["home_for_team"],
-                field["occupied_by_team"],
-                field["protected_for_team"],
-            )
-            members = []
-            for member in field["members"]:
-                members.append(Member(
-                    parsed_field,
-                    member["team"],
-                    member["id"],
-                ))
-            parsed_field.members = members
-            fields_row.append(parsed_field)
-
-        fields.append(fields_row)
-    return fields
+    return Direction.STAY
+
+# main (zde doplňte kód)
+
+def main() -> None:
+    global state
+    state = State(json.loads(sys.stdin.read()))
+
+    # TODO: set actions for all yours members
+    # example: all members go up
+    for member in state.teams[1].members:
+        member.action = Direction.UP
 
+    print(json.dumps(state.build_turn()))
 
 if __name__ == '__main__':
     main()