algorithms/a_star.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from typing import Tuple, Optional
+
+from common.constants import Direction
+
+
+@dataclass
+class State:
+    position: Tuple[int, int]
+    direction: Direction
+
+
+@dataclass
+class Node:
+    state: State
+    parent: Optional[Node]
+    action: str
+    cost: int = field(init=False)
+    depth: int = field(init=False)
+
+    def __post_init__(self) -> None:
+        self.cost = 0 if not self.parent else self.parent.cost + 1
+        self.depth = self.cost

algorithms/bfs.py

@@ -114,7 +114,7 @@ def go(row, column, direction):
 
 
 def is_valid_move(map, target_row, target_column):
-    if 0 <= target_row < ROWS and 0 <= target_column < COLUMNS and map[target_row][target_column] == ' ':
+    if 0 <= target_row < ROWS and 0 <= target_column < COLUMNS and map[target_row][target_column] in ['g', 's', ' ']:
         return True
 
     return False

common/constants.py

@@ -29,6 +29,7 @@ CASTLE_SPAWN_FIRST_COL = 9
 NBR_OF_WATER = 16
 NBR_OF_TREES = 20
 NBR_OF_MONSTERS = 2
+NBR_OF_SANDS = 15
 
 TILES = [
     'grass1.png',

logic/spawner.py

@@ -8,7 +8,7 @@ class Spawner:
         self.map = map
 
     def __is_free_field(self, field):
-        return field == ' '
+        return field in ['g', 's', ' ']
 
     def spawn_in_area(self, objects: list, spawn_area_pos_row=0, spawn_area_pos_column=0, spawn_area_width=0,
                       spawn_area_height=0, size=1):