Scripts/MapGenerator.gd

@@ -17,18 +17,33 @@ extends TileMap
 @export var cave_mine_size_threshold := 80
 
 func _ready():
+	var time = generate()
+	print("time for generation: " + str(time))
+	
+	pass
+
+
+func generate() -> float:
 	var start_time = Time.get_unix_time_from_system()
+
 	randomize()
-	random_fill()
-	make_cave_areas()
-	make_borders()
+	fill_random_noise()
+
+	for i in cave_gen_iterations:
+		change_cells_by_neighbor_thresholds()
+
+	set_borders_solid()
 	prepare_player_start_area()
 	connect_caves(get_caves())
-	make_cave_areas()
-	make_borders()
-	print(Time.get_unix_time_from_system() - start_time)
 
-func random_fill():
+	for i in cave_gen_iterations:
+		change_cells_by_neighbor_thresholds()
+
+	set_borders_solid()
+
+	return Time.get_unix_time_from_system() - start_time
+
+func fill_random_noise():
 	for x in width:
 		for y in height:
 			if randf() < fill_percentage:
@@ -37,13 +52,14 @@ func random_fill():
 				self.set_cell(0, Vector2i(x,y),non_solid_id, Vector2i(0, 0))
 	pass
 
-func make_borders():
+func set_borders_solid():
 	for x in width:
 		self.set_cell(0, Vector2i(x,0),solid_id, Vector2i(0, 0))
 		self.set_cell(0, Vector2i(x,height-1),solid_id, Vector2i(0, 0))
 	for y in height:
 		self.set_cell(0, Vector2i(0,y),solid_id, Vector2i(0, 0))
 		self.set_cell(0, Vector2i(width-1,y),solid_id, Vector2i(0, 0))
+	pass
 
 func prepare_player_start_area():
 	var center = Vector2i(width/2, height/2)
@@ -62,9 +78,9 @@ func prepare_player_start_area():
 			if !(p2 > 0 or p2 <= - (start_area_size*2 - p*2)):
 				self.set_cell(0, Vector2i(x,y),non_solid_id, Vector2i(0, 0))
 			p2 -= 1
+	pass
 
-func make_cave_areas():
-	for i in cave_gen_iterations:
+func change_cells_by_neighbor_thresholds():
 	for x in range(1, width):
 		for y in range(1, height):
 			# Count Solid Neighbor Cells
@@ -81,10 +97,9 @@ func make_cave_areas():
 			if self.get_cell_source_id(0, Vector2i(x, y+1)) == solid_id: count +=1
 			if self.get_cell_source_id(0, Vector2i(x+1, y+1)) == solid_id: count +=1
 			
-				# Check Wether to Change the Cell or Not
+			# Check Threshold
 			if count < nonsolid_threshold:
 				self.set_cell(0, Vector2i(x,y),non_solid_id, Vector2i(0, 0))
-				
 			if count >= solid_threshold:
 				self.set_cell(0, Vector2i(x,y),solid_id, Vector2i(0, 0))
 	pass
@@ -127,7 +142,7 @@ func flood_fill(tilex, tiley, caves) -> Array:
 		caves.append(cave)
 	return caves
 
-func choose(choices):
+func choose_rand(choices):
 	randomize()
 
 	var rand_index = randi() % choices.size()
@@ -139,8 +154,8 @@ func connect_caves(caves):
 
 	for cave in tunnel_caves:
 		if prev_cave:
-			var new_point  = choose(cave)
-			var prev_point = choose(prev_cave)
+			var new_point  = choose_rand(cave)
+			var prev_point = choose_rand(prev_cave)
 
 			# ensure not the same point
 			if new_point != prev_point:
@@ -151,7 +166,7 @@ func connect_caves(caves):
 	
 func create_tunnel(point1, point2, cave):
 	randomize()          # for randf
-	var max_steps = 500  # so editor won't hang if walk fails
+	var max_steps = 500  # so game won't hang if walk fails
 	var steps = 0
 	var drunk_x = point2[0]
 	var drunk_y = point2[1]
@@ -167,13 +182,13 @@ func create_tunnel(point1, point2, cave):
 		var weight  = 1
 
 		# weight the random walk against edges
-		if drunk_x < point1.x: # drunkard is left of point1
+		if drunk_x < point1.x:
 			e += weight
-		elif drunk_x > point1.x: # drunkard is right of point1
+		elif drunk_x > point1.x:
 			w += weight
-		if drunk_y < point1.y: # drunkard is above point1
+		if drunk_y < point1.y:
 			s += weight
-		elif drunk_y > point1.y: # drunkard is below point1
+		elif drunk_y > point1.y:
 			n += weight
 
 		# normalize probabilities so they form a range from 0 to 1
@@ -186,7 +201,7 @@ func create_tunnel(point1, point2, cave):
 		var dx
 		var dy
 
-		# choose the direction
+		# choose_rand the direction
 		var choice = randf()
 
 		if 0 <= choice and choice < n:
@@ -208,9 +223,9 @@ func create_tunnel(point1, point2, cave):
 			drunk_x += dx
 			drunk_y += dy
 			
-			
 			if self.get_cell_source_id(0, Vector2i(drunk_x, drunk_y)) == solid_id:
 				self.set_cell(0, Vector2i(drunk_x, drunk_y),non_solid_id, Vector2i(0, 0))
 				#make tunnel wider
 				self.set_cell(0, Vector2i(drunk_x+1, drunk_y),non_solid_id, Vector2i(0, 0))
 				self.set_cell(0, Vector2i(drunk_x+1, drunk_y+1),non_solid_id, Vector2i(0, 0))
+	pass