Added a grid map

client/world/grid/WorldGrid.gd

@@ -0,0 +1,41 @@
+class_name WorldGrid
+extends GridMap
+
+@export var moisture_noise: Noise
+@export var temperature_noise: Noise
+@export var altitude_noise: Noise
+@export var grass: PackedScene
+
+var width := 60
+var depth := 60
+var current_pos := Vector3i(0, 0, 0)
+var old_pos := Vector3i(NAN, NAN, NAN)
+
+func _process(_delta):
+	current_pos = local_to_map(Global.player.position)
+
+	if current_pos != old_pos:
+		generate_chunk()
+		old_pos = current_pos
+
+func generate_chunk():
+	for x in range(-width, width):
+		for z in range(-depth, depth):
+			var tile_x := current_pos.x + x
+			var tile_z := current_pos.z + z
+			var pos := Vector3i(tile_x, 0, tile_z)
+
+			if get_cell_item(pos) != -1:
+				continue
+			
+			var moisture := moisture_noise.get_noise_2d(tile_x, tile_z)
+			# var temperature = temperature_noise.get_noise_2d(tile_x, tile_z)
+			# var altitude = altitude_noise.get_noise_2d(tile_x, tile_z)
+
+			var index := floori((moisture + 1.0) * 2.0)
+			set_cell_item(pos, index)
+
+			if index == 1:
+				var node := grass.instantiate() as Node3D
+				node.position = (pos * 2) + Vector3i(1, 0, 1)
+				add_child(node)