daniel156161/snake-python
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

head hunt only when my snake is bigger and into dual mode

Browse Source
This commit is contained in:
Daniel Dolezal
2026-04-03 20:57:33 +02:00
parent 6ab0161b49
commit f124ce6f96
2 changed files with 146 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
snakes/BestBattleSnake.py
+5 -2
View File
@@ -348,6 +348,7 @@ class BestBattleSnake(TemplateSnake):
enemy_head = (enemy["head"]["x"], enemy["head"]["y"])
enemy_len = enemy.get("length", len(enemy["body"]))
encase_target_space = max(8, enemy_len * 2)
can_head_hunt = my_len > enemy_len and my_len >= 8
scores:dict[str, float] = {}
move_safety:dict[str, dict[str, Any]] = {}
@@ -421,10 +422,10 @@ class BestBattleSnake(TemplateSnake):
score += max(0, 3 - enemy_options) * 95.0
if reachable_space > enemy_space:
score += 120.0
if direct_head_distance <= 2:
if direct_head_distance <= 2 and can_head_hunt:
score += 40.0
if my_len > enemy_len:
if can_head_hunt:
if direct_head_distance == 1:
score += 220.0 * duel_weights["head_pressure"]
elif direct_head_distance == 2:
@@ -432,6 +433,8 @@ class BestBattleSnake(TemplateSnake):
else:
if direct_head_distance <= 2:
score -= 120.0 * duel_weights["distance_safety"]
if direct_head_distance == 1:
score -= 180.0 * duel_weights["distance_safety"]
hunger_urgency = max(0.0, (65.0 - my_health) / 65.0)
if nearest_food_dist is not None:
tests/test_BestBattleSnake.py
+140
View File
@@ -218,6 +218,146 @@ class TestBestBattleSnake(unittest.TestCase):
move = make_board(game_state).snake_neat_make_a_move()
self.assertNotEqual(move, "right")
def test_duel_small_length_lead_does_not_head_hunt(self):
game_state = {
"game": {
"id": "test-duel-small-no-head-hunt",
"ruleset": {"name": "standard", "version": "v1.0.0"},
"source": "custom",
"map": "standard",
},
"turn": 20,
"board": {
"height": 11,
"width": 11,
"food": [{"x": 1, "y": 1}],
"hazards": [],
"snakes": [
{
"id": "me",
"name": "me",
"health": 90,
"length": 7,
"head": {"x": 5, "y": 5},
"body": [
{"x": 5, "y": 5},
{"x": 5, "y": 4},
{"x": 5, "y": 3},
{"x": 4, "y": 3},
{"x": 4, "y": 4},
{"x": 4, "y": 5},
{"x": 4, "y": 6},
],
},
{
"id": "enemy",
"name": "enemy",
"health": 90,
"length": 6,
"head": {"x": 7, "y": 5},
"body": [
{"x": 7, "y": 5},
{"x": 7, "y": 4},
{"x": 7, "y": 3},
{"x": 7, "y": 2},
{"x": 7, "y": 1},
{"x": 6, "y": 1},
],
},
],
},
"you": {
"id": "me",
"name": "me",
"health": 90,
"length": 7,
"head": {"x": 5, "y": 5},
"body": [
{"x": 5, "y": 5},
{"x": 5, "y": 4},
{"x": 5, "y": 3},
{"x": 4, "y": 3},
{"x": 4, "y": 4},
{"x": 4, "y": 5},
{"x": 4, "y": 6},
],
},
}
move = make_board(game_state).snake_neat_make_a_move()
self.assertNotEqual(move, "right")
def test_duel_big_length_lead_can_head_hunt(self):
game_state = {
"game": {
"id": "test-duel-big-head-hunt",
"ruleset": {"name": "standard", "version": "v1.0.0"},
"source": "custom",
"map": "standard",
},
"turn": 20,
"board": {
"height": 11,
"width": 11,
"food": [{"x": 1, "y": 1}],
"hazards": [],
"snakes": [
{
"id": "me",
"name": "me",
"health": 90,
"length": 8,
"head": {"x": 5, "y": 5},
"body": [
{"x": 5, "y": 5},
{"x": 5, "y": 4},
{"x": 5, "y": 3},
{"x": 4, "y": 3},
{"x": 4, "y": 4},
{"x": 4, "y": 5},
{"x": 4, "y": 6},
{"x": 5, "y": 6},
],
},
{
"id": "enemy",
"name": "enemy",
"health": 90,
"length": 6,
"head": {"x": 7, "y": 5},
"body": [
{"x": 7, "y": 5},
{"x": 7, "y": 4},
{"x": 7, "y": 3},
{"x": 7, "y": 2},
{"x": 7, "y": 1},
{"x": 6, "y": 1},
],
},
],
},
"you": {
"id": "me",
"name": "me",
"health": 90,
"length": 8,
"head": {"x": 5, "y": 5},
"body": [
{"x": 5, "y": 5},
{"x": 5, "y": 4},
{"x": 5, "y": 3},
{"x": 4, "y": 3},
{"x": 4, "y": 4},
{"x": 4, "y": 5},
{"x": 4, "y": 6},
{"x": 5, "y": 6},
],
},
}
move = make_board(game_state).snake_neat_make_a_move()
self.assertEqual(move, "right")
def test_does_not_step_into_stacked_tail(self):
game_state = {
"game": {