Map generator is split from Map class.

src/main.cr

@@ -5,37 +5,11 @@ require "./naka.cr"
 
 class Map
 	@save_directory : String
-	getter altitude_maps : Naka::Noise2D
+	getter generator
-	getter humidity_maps : Naka::Noise2D
+	def initialize(@save_directory, &block : Proc(Tile, Int32, Int32, Tile?))
-	getter evil_maps :     Naka::Noise2D
-	getter flowers_map :   Naka::Noise2D
-	def initialize(@save_directory)
 		Dir.mkdir_p @save_directory
 
-		@altitude_maps = Naka::Noise2D.new.tap do |a|
+		@generator = block
-			a.add_octave(32, 1)
-			a.add_octave(16, 0.5)
-			a.add_octave(8, 0.25)
-			a.add_octave(4, 0.125)
-			a.add_octave(2, 1/16) # wtf, too smol
-		end
-
-		@humidity_maps = Naka::Noise2D.new.tap do |a|
-			a.add_octave(64, 1)
-			a.add_octave(32, 0.5)
-			a.add_octave(16, 0.25)
-			a.add_octave(8, 0.20)
-			a.add_octave(4, 0.15)
-			a.add_octave(2, 0.10)
-		end
-
-		@evil_maps = Naka::Noise2D.new.tap do |a|
-			a.add_octave(48, 0.6)
-			a.add_octave(32, 0.6)
-			a.add_octave(16, 0.3)
-		end
-
-		@flowers_map = Naka::Noise2D.new(1, 1)
 	end
 
 	class Object
@@ -73,56 +47,8 @@ class Map
 				Array.new(CHUNK_SIZE) do |y|
 					y += @y * CHUNK_SIZE
 
-					Tile.new(Object.new "stone").tap do |i|
+					Tile.new(Object.new "stone").tap do |tile|
-						altitude = map.altitude_maps.get(x, y) + 0.5
+						map.generator.call tile, x, y
-
-						humidity = map.humidity_maps.get(x, y) + 0.5
-
-						evil = map.evil_maps.get(x, y)
-
-						if altitude < 0.25
-							i << Object.new "sand"
-
-							if altitude < 0.175
-								i << Object.new "water"
-							else
-								if humidity < 0.33
-									i << Object.new "sand"
-								else
-									i << Object.new "dirt"
-								end
-							end
-						elsif altitude < 0.75
-							i << Object.new "dirt"
-
-							if evil > 0.5
-								i << Object.new "haunted"
-							else
-								i << Object.new "grass"
-							end
-
-							if altitude > 0.35 && altitude < 0.65
-								if humidity > 0.4
-									if humidity > 0.8
-										i << Object.new "tree"
-									elsif humidity < 0.6
-										i << Object.new "pine"
-									else
-										if Random.rand(2) == 0
-											i << Object.new "tree"
-										else
-											i << Object.new "pine"
-										end
-									end
-								else
-									if Random.rand(10) == 0
-										i << Object.new "flowers"
-									end
-								end
-							end
-						elsif altitude > 0.85
-							i << Object.new "rocks"
-						end
 					end
 				end
 			end
@@ -205,7 +131,82 @@ images = ImagesLoader.new window
 connection_font = window.newFont "Connection.otf", 30.5
 window.set_font connection_font
 
-map = Map.new "map-test-01"
+altitude_map = Naka::Noise2D.new.tap do |a|
+	a.add_octave(32, 1)
+	a.add_octave(16, 0.5)
+	a.add_octave(8, 0.25)
+	a.add_octave(4, 0.125)
+	a.add_octave(2, 1/16) # wtf, too smol
+end
+
+humidity_map = Naka::Noise2D.new.tap do |a|
+	a.add_octave(64, 1)
+	a.add_octave(32, 0.5)
+	a.add_octave(16, 0.25)
+	a.add_octave(8, 0.20)
+	a.add_octave(4, 0.15)
+	a.add_octave(2, 0.10)
+end
+
+evil_map = Naka::Noise2D.new.tap do |a|
+	a.add_octave(48, 0.6)
+	a.add_octave(32, 0.6)
+	a.add_octave(16, 0.3)
+end
+
+flowers_map = Naka::Noise2D.new(1, 1)
+
+map = Map.new "map-test-01" do |tile, x, y|
+	altitude = altitude_map.get(x, y) + 0.5
+
+	humidity = humidity_map.get(x, y) + 0.5
+
+	evil = evil_map.get(x, y)
+
+	if altitude < 0.25
+		tile << Map::Object.new "sand"
+
+		if altitude < 0.175
+			tile << Map::Object.new "water"
+		else
+			if humidity < 0.33
+				tile << Map::Object.new "sand"
+			else
+				tile << Map::Object.new "dirt"
+			end
+		end
+	elsif altitude < 0.75
+		tile << Map::Object.new "dirt"
+
+		if evil > 0.5
+			tile << Map::Object.new "haunted"
+		else
+			tile << Map::Object.new "grass"
+		end
+
+		if altitude > 0.35 && altitude < 0.65
+			if humidity > 0.4
+				if humidity > 0.8
+					tile << Map::Object.new "tree"
+				elsif humidity < 0.6
+					tile << Map::Object.new "pine"
+				else
+					if Random.rand(2) == 0
+						tile << Map::Object.new "tree"
+					else
+						tile << Map::Object.new "pine"
+					end
+				end
+			else
+				if Random.rand(10) == 0
+					tile << Map::Object.new "flowers"
+				end
+			end
+		end
+	elsif altitude > 0.85
+		tile << Map::Object.new "rocks"
+	end
+end
 
 Naka::Event.loop window do |event|
 	case event