45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
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"""McRogueFace - Basic Enemy AI (basic)
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Documentation: https://mcrogueface.github.io/cookbook/combat_enemy_ai
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Repository: https://github.com/jmccardle/McRogueFace/blob/master/docs/cookbook/combat/combat_enemy_ai_basic.py
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This code is extracted from the McRogueFace documentation and can be
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run directly with: ./mcrogueface path/to/this/file.py
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"""
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import random
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def wander(enemy, grid):
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"""Move randomly to an adjacent walkable tile."""
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ex, ey = int(enemy.x), int(enemy.y)
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# Get valid adjacent tiles
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directions = [(0, -1), (0, 1), (-1, 0), (1, 0)]
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random.shuffle(directions)
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for dx, dy in directions:
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new_x, new_y = ex + dx, ey + dy
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if is_walkable(grid, new_x, new_y) and not is_occupied(new_x, new_y):
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enemy.x = new_x
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enemy.y = new_y
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return
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# No valid moves - stay in place
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def is_walkable(grid, x, y):
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"""Check if a tile can be walked on."""
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grid_w, grid_h = grid.grid_size
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if x < 0 or x >= grid_w or y < 0 or y >= grid_h:
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return False
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return grid.at(x, y).walkable
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def is_occupied(x, y, entities=None):
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"""Check if a tile is occupied by another entity."""
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if entities is None:
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return False
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for entity in entities:
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if int(entity.x) == x and int(entity.y) == y:
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return True
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return False
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