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Draw rat normally at tunnel entrances

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Rats are now drawn fully (single animation frame) regardless of whether
they are on an open cell, a tunnel entrance, or an internal tunnel
passage. The only case where the rat is not drawn is when its center is
inside a wall (non-empty, non-tunnel cell).

Removed the now-unused _get_tunnel_entrance_direction helper.
This commit is contained in:
Matteo Benedetto
2026-06-27 18:56:04 +02:00
parent 705f3ba260
commit c09840099e
1 changed files with 4 additions and 31 deletions
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units/rat.py
+4 -31
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@@ -193,43 +193,16 @@ class Rat(Unit):
cell_y = center_y // self.game.cell_size
if self.game.map.in_bounds(cell_x, cell_y):
if self.game.map.is_tunnel(cell_x, cell_y):
if self._get_tunnel_entrance_direction(cell_x, cell_y) is not None:
# Single entrance/exit: the rat is entering/leaving the tunnel.
# Don't draw it; it disappears into the tunnel.
return
# Internal tunnel passage or crossroad: draw the rat normally
# so it stays visible while walking through the tunnel.
frame = min(3, int(self.partial_move * 4))
source_rect = (frame * image_size[0], 0, image_size[0], image_size[1])
self.game.render_engine.draw_image(self.render_x, self.render_y, image, anchor="nw", tag="unit", source_rect=source_rect)
return
if not self.game.map.is_empty(cell_x, cell_y):
if not self.game.map.is_tunnel(cell_x, cell_y) and not self.game.map.is_empty(cell_x, cell_y):
# Inside a wall (or otherwise non-visible cell): don't draw the rat.
return
# Draw the rat (single animation frame). Applies to open cells, tunnel
# entrances, and internal tunnel passages alike.
frame = min(3, int(self.partial_move * 4))
source_rect = (frame * image_size[0], 0, image_size[0], image_size[1])
self.game.render_engine.draw_image(self.render_x, self.render_y, image, anchor="nw", tag="unit", source_rect=source_rect)
def _get_tunnel_entrance_direction(self, cell_x, cell_y):
directions = [
("UP", 0, -1),
("DOWN", 0, 1),
("LEFT", -1, 0),
("RIGHT", 1, 0),
]
empty_neighbors = []
for direction, dx, dy in directions:
neighbor_x = cell_x + dx
neighbor_y = cell_y + dy
if self.game.map.in_bounds(neighbor_x, neighbor_y) and self.game.map.is_empty(neighbor_x, neighbor_y):
empty_neighbors.append(direction)
if len(empty_neighbors) != 1:
return None
return empty_neighbors[0]
def _calculate_render_position(self):
"""Calculate render position and bbox (used when render_x not yet set)"""
sex = self.sex if self.age > AGE_THRESHOLD else "BABY"