Use a noise texture to randomly generate obstacles onto map

1 files changed, 34 insertions, 0 deletions

diff --git a/scripts/obstacle_generator.gd b/scripts/obstacle_generator.gd
new file mode 100644
index 0000000..5b97820
--- /dev/null
+++ b/scripts/obstacle_generator.gd
@@ -0,0 +1,34 @@
+extends Object
+
+class_name ObstacleGenerator
+
+var map_config : MapGeneratorResource = preload("res://resources/map_generator_resource.tres")
+var _noise_texture : NoiseTexture2D = preload("res://resources/obstacle_noise.tres")
+
+var _tile_map : TileMapLayer
+var _noise : Noise
+
+func _init(tile_map_layer: TileMapLayer):
+	_tile_map = tile_map_layer
+	_noise = _noise_texture.noise
+	_noise.seed = randi()
+
+func generate_obstacles():
+	for i in range(map_config.grid_width):
+		for j in range(map_config.grid_height):
+			var noise = _noise.get_noise_2d(i, j)
+			print(noise)
+			if noise < 0.25:
+				pass
+			elif noise < 0.5:
+				_draw_tile_from_pool(map_config.atlas_coords["TREE"], Vector2i(i, j))
+			elif noise < 0.65:
+				_draw_tile_from_pool(map_config.atlas_coords["DEAD_TREE"], Vector2i(i, j))
+			elif noise < 0.74:
+				_draw_tile_from_pool(map_config.atlas_coords["GRASS"], Vector2i(i, j))
+			else:
+				_draw_tile_from_pool(map_config.atlas_coords["CAMPSITE"], Vector2i(i, j))
+
+func _draw_tile_from_pool(pool : Array, pos : Vector2i):
+	var choice = pool[randi_range(0, pool.size() - 1)]
+	_tile_map.set_cell(pos, 0, choice)