ynerant/squirrel-battle
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Merge branch 'mobs-seeing-through-walls' into 'master'

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Resolve "Mobs seeing through walls"

Closes #63

See merge request ynerant/squirrel-battle!59
This commit is contained in:
nicomarg 2021-01-08 17:34:27 +01:00
commit da8cf238ee
2 changed files with 16 additions and 3 deletions
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4
squirrelbattle/entities/monsters.py
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@ -42,7 +42,9 @@ class Monster(FightingEntity):
# that targets the player.
# If they can not move and are already close to the player,
# they hit.
if target and (self.y, self.x) in target.paths:
if target and (self.y, self.x) in target.paths and \
self.map.is_visible_from(self.y, self.x,
target.y, target.x, 5):
# Moves to target player by choosing the best available path
for next_y, next_x in target.paths[(self.y, self.x)]:
moved = self.check_move(next_y, next_x, True)

15
squirrelbattle/interfaces.py
View File

@ -7,6 +7,7 @@ from random import choice, choices, randint
from typing import List, Optional, Any, Dict, Tuple
from queue import PriorityQueue
from functools import reduce
from copy import deepcopy
from .display.texturepack import TexturePack
from .translations import gettext as _
@ -193,6 +194,14 @@ class Map:
entity.move(y, x)
self.add_entity(entity)
def is_visible_from(self, starty: int, startx: int, desty: int, destx: int,
max_range: int) -> bool:
oldvisibility = deepcopy(self.visibility)
self.compute_visibility(starty, startx, max_range)
result = self.visibility[desty][destx]
self.visibility = oldvisibility
return result
def compute_visibility(self, y: int, x: int, max_range: int) -> None:
"""
Sets the visible tiles to be the ones visible by an entity at point
@ -245,10 +254,12 @@ class Map:
if x + y > max_range:
continue
is_opaque = self.is_wall(y, x, octant, origin)
if y == top_y and octant == 7 and x == 4:
self.logs.add_message(f"{x}, {y}, {top.X}, {top.Y}")
is_visible = is_opaque\
or ((y != top_y or top > Slope(y * 4 - 1, x * 4 + 1))
or ((y != top_y or top >= Slope(y, x))
and (y != bottom_y
or bottom < Slope(y * 4 + 1, x * 4 - 1)))
or bottom <= Slope(y, x)))
# is_visible = is_opaque\
# or ((y != top_y or top >= Slope(y, x))
# and (y != bottom_y or bottom <= Slope(y, x)))