Initial commit

README.md

+# Simple procedural generation of "dungeon maps"
+
+Basic proof of concept. No real refinement at this point.
+
+Initial work based on [this tutorial](https://gamedevelopment.tutsplus.com/tutorials/generate-random-cave-levels-using-cellular-automata--gamedev-9664).

procgen.py

+import random as r
+
+def createDungeon(x=None, y=None, seed=None):
+	""" Initializes an x by y grid.
+		x is width, y is height
+		seed is the chance that a given cell will be "live" and should be an integer between 1-99.
+		If True is equivalent to "walkable", then lower seeds make more walls.
+	"""
+	x = 10 if x == None else int(x)
+	y = 10 if y == None else int(y)
+	seed = 45 if seed == None else int(seed)
+	new_map = []
+	for j in range(y):
+		new_row = []
+		for i in range(x):
+			new_row.append(False if r.randint(1,99) > seed else True)
+		new_map.append(new_row)
+	return new_map
+
+def refineDungeon(d_map, d_lmt=None, a_lmt=None):
+	""" Refines the grid.
+	"""
+	d_lmt = 3 if d_lmt == None else int(d_lmt)
+	a_lmt = 4 if a_lmt == None else int(a_lmt)
+	new_map = []
+	for j in range(len(d_map)):
+		new_line = []
+		for i in range(len(d_map[j])):
+			x, y = i, j
+			n_count = countAliveNeighbors(d_map, x, y)
+			if d_map[y][x]:
+				if n_count <= d_lmt:
+					new_line.append(False)
+				else:
+					new_line.append(True)
+			else:
+				if n_count >= a_lmt:
+					new_line.append(True)
+				else:
+					new_line.append(False)
+		new_map.append(new_line)
+	return new_map
+
+def countAliveNeighbors(d_map, x, y):
+	count = 0
+	for j in range(-1,2):
+		for i in range(-1,2):
+			n_x, n_y = x+i, y+j
+			if i == 0 and j == 0:
+				continue
+			if n_x < 0 or n_x >= len(d_map[j]) or n_y == 0 or n_y >= len(d_map):
+				count += 1
+			elif d_map[n_y][n_x]:
+				count += 1
+	return count
+
+def printDungeon(d_map, wall=None, path=None):
+	wall = "II" if wall == None else wall
+	path = "  " if path == None else path
+	for line in d_map:
+		print("".join([wall if x == True else path for x in line]))
+	print()
+
+def main():
+	my_map = createDungeon(20,20)
+	printDungeon(my_map)
+	my_map = refineDungeon(my_map, 4, 4)
+	printDungeon(my_map)
+	my_map = refineDungeon(my_map, 4, 4)
+	printDungeon(my_map)
+
+
+if __name__ == "__main__":
+	main()