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This commit is contained in:
Yohann D'ANELLO 2021-01-08 16:55:02 +01:00
parent 9b853324ad
commit afaa9d17cd
Signed by: ynerant
GPG Key ID: 3A75C55819C8CF85
3 changed files with 101 additions and 82 deletions
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14
squirrelbattle/interfaces.py
View File

@ -194,11 +194,13 @@ class Map:
self.add_entity(dictclasses[entisave["type"]](**entisave))
@staticmethod
def neighbourhood(grid, y, x, large=False, oob=False):
def neighbourhood(grid: List[List["Tile"]], y: int, x: int,
large: bool = False, oob: bool = False) \
-> List[List[int]]:
"""
Returns up to 8 nearby coordinates, in a 3x3 square around the input coordinate if large is
set to True, or in a 5-square cross by default. Does not return coordinates if they are out
of bounds.
Returns up to 8 nearby coordinates, in a 3x3 square around the input
coordinate if large is set to True, or in a 5-square cross by default.
Does not return coordinates if they are out of bounds.
"""
height, width = len(grid), len(grid[0])
neighbours = []
@ -208,8 +210,8 @@ class Map:
else:
dyxs = [[0, -1], [0, 1], [-1, 0], [1, 0]]
for dy, dx in dyxs:
if oob or (0 <= y+dy < height and 0 <= x+dx < width):
neighbours.append([y+dy, x+dx])
if oob or (0 <= y + dy < height and 0 <= x + dx < width):
neighbours.append([y + dy, x + dx])
return neighbours

141
squirrelbattle/mapgeneration/broguelike.py
View File

@ -1,39 +1,42 @@
# Copyright (C) 2020 by ÿnérant, eichhornchen, nicomarg, charlse
# SPDX-License-Identifier: GPL-3.0-or-later
from enum import auto, Enum
from random import choice, random, randint, shuffle
from random import random, randint, shuffle
from typing import List, Tuple
from ..interfaces import Map, Tile
DEFAULT_PARAMS = {
"width" : 120,
"height" : 35,
"tries" : 300,
"max_rooms" : 20,
"max_room_tries" : 15,
"cross_room" : 1,
"corridor_chance" : .6,
"min_v_corr" : 2,
"max_v_corr" : 6,
"min_h_corr" : 4,
"max_h_corr" : 12,
"large_circular_room" : .10,
"circular_holes" : .5,
"width": 120,
"height": 35,
"tries": 300,
"max_rooms": 20,
"max_room_tries": 15,
"cross_room": 1,
"corridor_chance": .6,
"min_v_corr": 2,
"max_v_corr": 6,
"min_h_corr": 4,
"max_h_corr": 12,
"large_circular_room": .10,
"circular_holes": .5,
}
class Generator:
def __init__(self, params: dict = DEFAULT_PARAMS):
self.params = params
def __init__(self, params: dict = None):
self.params = params or DEFAULT_PARAMS
@staticmethod
def room_fits(level, y, x, room, door_y, door_x, dy, dx):
def room_fits(level: List[List[Tile]], y: int, x: int,
room: List[List[Tile]], door_y: int, door_x: int,
dy: int, dx: int) -> bool:
lh, lw = len(level), len(level[0])
rh, rw = len(room), len(room[0])
if not(0 < y+dy < lh and 0 < x+dx < lw):
if not(0 < y + dy < lh and 0 < x + dx < lw):
return False
if level[y][x] != Tile.EMPTY or level[y+dy][x+dx] != Tile.FLOOR:
if level[y][x] != Tile.EMPTY or level[y + dy][x + dx] != Tile.FLOOR:
return False
for ry in range(rh):
for rx in range(rw):
@ -45,24 +48,26 @@ class Generator:
return False
# so do all neighbouring tiles bc we may
# need to place walls there eventually
for ny, nx in Map.neighbourhood(level, ly, lx, large=True, oob=True):
for ny, nx in Map.neighbourhood(level, ly, lx,
large=True, oob=True):
if not(0 <= ny < lh and 0 <= nx < lw) or \
level[ny][nx] != Tile.EMPTY:
return False
return True
@staticmethod
def place_room(level, y, x, room, door_y, door_x):
def place_room(level: List[List[Tile]], y: int, x: int,
room: List[List[Tile]], door_y: int, door_x: int) -> None:
rh, rw = len(room), len(room[0])
# maybe place Tile.DOOR here ?
level[y][x] = Tile.FLOOR
for ry in range(rh):
for rx in range(rw):
if room[ry][rx] == Tile.FLOOR:
level[y-door_y+ry][x-door_x+rx] = Tile.FLOOR
level[y - door_y + ry][x - door_x + rx] = Tile.FLOOR
@staticmethod
def place_walls(level):
def place_walls(level: List[List[Tile]]) -> None:
h, w = len(level), len(level[0])
for y in range(h):
for x in range(w):
@ -70,22 +75,24 @@ class Generator:
for ny, nx in Map.neighbourhood(level, y, x):
if level[ny][nx] == Tile.EMPTY:
level[ny][nx] = Tile.WALL
def corr_meta_info(self):
def corr_meta_info(self) -> Tuple[int, int, int, int]:
if random() < self.params["corridor_chance"]:
h_sup = randint(self.params["min_v_corr"], \
self.params["max_v_corr"]) if random() < .5 else 0
w_sup = 0 if h_sup else randint(self.params["min_h_corr"], \
self.params["max_h_corr"])
h_sup = randint(self.params["min_v_corr"],
self.params["max_v_corr"]) if random() < .5 else 0
w_sup = 0 if h_sup else randint(self.params["min_h_corr"],
self.params["max_h_corr"])
h_off = h_sup if random() < .5 else 0
w_off = w_sup if random() < .5 else 0
return h_sup, w_sup, h_off, w_off
return 0, 0, 0, 0
def attach_door(self, room, h_sup, w_sup, h_off, w_off):
l = h_sup + w_sup
def attach_door(self, room: List[List[Tile]], h_sup: int, w_sup: int,
h_off: int, w_off: int) \
-> Tuple[int, int, int, int]:
length = h_sup + w_sup
dy, dx = 0, 0
if l > 0:
if length > 0:
if h_sup:
dy = -1 if h_off else 1
else:
@ -103,77 +110,85 @@ class Generator:
y, x = pos // rw, pos % rw
if room[y][x] == Tile.EMPTY:
# verify we are pointing away from a floor tile
if not(0 <= y-dy < rh and 0 <= x-dx < rw) or room[y-dy][x-dx] != Tile.FLOOR:
if not(0 <= y - dy < rh and 0 <= x - dx < rw) \
or room[y - dy][x - dx] != Tile.FLOOR:
continue
# verify there's no other floor tile around us
for ny, nx in [[y+dy, x+dx], [y-dx, x-dy], [y+dx, x+dy]]:
if 0 <= ny < rh and 0 <= nx < rw and room[ny][nx] != Tile.EMPTY:
for ny, nx in [[y + dy, x + dx], [y - dx, x - dy],
[y + dx, x + dy]]:
if 0 <= ny < rh and 0 <= nx < rw \
and room[ny][nx] != Tile.EMPTY:
break
else:
for i in range(l):
if room[y+i*dy][x+i*dx] != Tile.EMPTY:
for i in range(length):
if room[y + i * dy][x + i * dx] != Tile.EMPTY:
break
else:
for i in range(l):
room[y+i*dy][x+i*dx] = Tile.FLOOR
for i in range(length):
room[y + i * dy][x + i * dx] = Tile.FLOOR
break
return y+l*dy, x+l*dx, dy, dx
return y + length * dy, x + length * dx, dy, dx
def create_circular_room(self):
def create_circular_room(self) -> Tuple[List[List[Tile]], int, int,
int, int]:
if random() < self.params["large_circular_room"]:
r = randint(5, 10)
else:
r = randint(2, 4)
room = []
h_sup, w_sup, h_off, w_off = self.corr_meta_info()
height = 2*r+2
width = 2*r+2
height = 2 * r + 2
width = 2 * r + 2
make_hole = r > 6 and random() < self.params["circular_holes"]
r2 = 0
if make_hole:
r2 = randint(3, r-3)
for i in range(height+h_sup):
r2 = randint(3, r - 3)
for i in range(height + h_sup):
room.append([])
d = (i-h_off-height//2)**2
for j in range(width+w_sup):
if d + (j-w_off-width//2)**2 < r**2 and \
(not(make_hole) or d + (j-w_off-width//2)**2 >= r2**2):
d = (i - h_off - height // 2) ** 2
for j in range(width + w_sup):
if d + (j - w_off - width // 2) ** 2 < r ** 2 and \
(not make_hole
or d + (j - w_off - width // 2) ** 2 >= r2 ** 2):
room[-1].append(Tile.FLOOR)
else:
room[-1].append(Tile.EMPTY)
door_y, door_x, dy, dx = self.attach_door(room, h_sup, w_sup, h_off, w_off)
door_y, door_x, dy, dx = self.attach_door(room, h_sup, w_sup,
h_off, w_off)
return room, door_y, door_x, dy, dx
def create_random_room(self):
def create_random_room(self) -> Tuple[List[list], int, int, int, int]:
return self.create_circular_room()
def run(self):
def run(self) -> Map:
height, width = self.params["height"], self.params["width"]
level = [[Tile.EMPTY for i in range(width)] for j in range(height)]
level = [width * [Tile.EMPTY] for _ignored in range(height)]
# the starting room must have no corridor
mem, self.params["corridor_chance"] = self.params["corridor_chance"], 0
starting_room, _, _, _, _ = self.create_random_room()
dim_v, dim_h = len(starting_room), len(starting_room[0])
pos_y, pos_x = randint(0, height-dim_v-1), randint(0, width-dim_h-1)
pos_y, pos_x = randint(0, height - dim_v - 1),\
randint(0, width - dim_h - 1)
self.place_room(level, pos_y, pos_x, starting_room, 0, 0)
if starting_room[0][0] != Tile.FLOOR:
level[pos_y][pos_x] = Tile.EMPTY
self.params["corridor_chance"] = mem
# find a starting position
sy, sx = randint(0, height-1), randint(0, width-1)
sy, sx = randint(0, height - 1), randint(0, width - 1)
while level[sy][sx] != Tile.FLOOR:
sy, sx = randint(0, height-1), randint(0, width-1)
sy, sx = randint(0, height - 1), randint(0, width - 1)
# now we loop until we've tried enough, or we've added enough rooms
tries, rooms_built = 0, 0
while tries < self.params["tries"] and rooms_built < self.params["max_rooms"]:
while tries < self.params["tries"] \
and rooms_built < self.params["max_rooms"]:
room, door_y, door_x, dy, dx = self.create_random_room()
positions = [i for i in range(height * width)]
@ -185,7 +200,7 @@ class Generator:
rooms_built += 1
break
tries += 1
# post-processing
self.place_walls(level)

28
squirrelbattle/tests/mapgeneration_test.py
View File

@ -3,27 +3,29 @@
import unittest
from random import randint
from typing import List
from squirrelbattle.interfaces import Map, Tile
from squirrelbattle.mapgeneration import broguelike
def is_connex(grid):
h, w = len(grid), len(grid[0])
y, x = randint(0, h-1), randint(0, w-1)
while not(grid[y][x].can_walk()):
y, x = randint(0, h-1), randint(0, w-1)
queue = Map.neighbourhood(grid, y, x)
while queue != []:
y, x = queue.pop()
if grid[y][x].can_walk():
grid[y][x] = Tile.WALL
queue += Map.neighbourhood(grid, y, x)
return not(any([any([t.can_walk() for t in l]) for l in grid]))
class TestBroguelike(unittest.TestCase):
def setUp(self) -> None:
self.generator = broguelike.Generator()
def is_connex(self, grid: List[List[Tile]]) -> bool:
h, w = len(grid), len(grid[0])
y, x = randint(0, h - 1), randint(0, w - 1)
while not (grid[y][x].can_walk()):
y, x = randint(0, h - 1), randint(0, w - 1)
queue = Map.neighbourhood(grid, y, x)
while queue:
y, x = queue.pop()
if grid[y][x].can_walk():
grid[y][x] = Tile.WALL
queue += Map.neighbourhood(grid, y, x)
return not any([t.can_walk() for row in grid for t in row])
def test_connexity(self) -> None:
m = self.generator.run()
self.assertTrue(is_connex(m.tiles))
self.assertTrue(self.is_connex(m.tiles))