Grid finally working and understood

Scenes/Main/cursor.gd

@@ -17,23 +17,19 @@ signal moved(new_cell)
 ## Coordinates of the current cell the cursor is hovering.
 var cell := Vector2.ZERO:
 	set(value):
-		print("Setting cell to: ", value)
 		# We first clamp the cell coordinates and ensure that we aren't
 		#	trying to move outside the grid boundaries
 		var new_cell: Vector2 = grid.clamp(value)
-		print("New cell: ", new_cell)
 		if new_cell.is_equal_approx(cell):
 			return
 		
 		cell = new_cell
-		print("Cell is ", cell)
 		# If we move to a new cell, we update the cursor's position, emit
 		#	a signal, and start the cooldown timer that will limit the rate
 		#	at which the cursor moves when we keep the direction key held
 		#	down
-		# global_position = grid.calculateMapPosition(cell)
+		
 		global_position = GroundLayer.map_to_local(cell)
-		print("Position is ", position)
 		emit_signal("moved", cell)
 		_timer.start()
 
@@ -54,7 +50,7 @@ func _ready() -> void:
 func _unhandled_input(event: InputEvent) -> void:
 	# Navigating cells with the mouse.
 	if event is InputEventMouseMotion:
-		cell = grid.calculateGridCoordinates(event.position)
+		cell = GroundLayer.local_to_map(event.position)
 	# Trying to select something in a cell.
 	elif event.is_action_pressed("Select") or event.is_action_pressed("ui_accept"):
 		emit_signal("accept_pressed", cell)

Scenes/Main/grid_display.gd

@@ -0,0 +1,17 @@
+extends Control
+
+var grid: AStarGrid2D:
+	set(v): grid = v; queue_redraw()
+var show_grid_display: bool:
+	set(v): show_grid_display = v; queue_redraw()
+	
+func toggle_grid_display(on: bool):
+	show_grid_display = on
+
+func _draw():
+	if not grid or not show_grid_display: return
+	for x in grid.region.size.x:
+		for y in grid.region.size.y:
+			var p = Vector2(x, y)
+			var col = Color(1,0,0,0.3) if grid.is_point_solid(p) else Color(0,1,0,0.3)
+			draw_rect(Rect2(p*grid.cell_size, grid.cell_size), col)

Scenes/Main/grid_display.gd.uid

@@ -0,0 +1 @@
+uid://dtme43jtijpok

Scenes/Main/main.gd

@@ -18,6 +18,9 @@ var _MovingMarker: Node2D = _MovingMarkerScene.instantiate()
 
 @onready var GroundLayer: TileMapLayer = $Map/Ground
 
+var aStarGrid: AStarGrid2D:
+	set(v): aStarGrid = v;
+
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 #	add_child(_MovingMarker)
@@ -26,7 +29,7 @@ func _ready() -> void:
 	# create unit at local position (50, 50) => eg mouse position
 	_createUnit(GroundLayer.local_to_map(Vector2i(50, 50)))
 	# create unit at map position (50, 50) => tile x = 50, y = 50 in the map
-	_createUnit(GroundLayer.map_to_local(Vector2i(50,50)))
+	_createUnit(GroundLayer.map_to_local(Vector2i(25,25)))
 	
 	for unit in _Units:
 		add_child(unit)
@@ -36,9 +39,6 @@ func _ready() -> void:
 #	if firstUnit.is_node_ready():
 #		UnitCamera.target = _Units[0].get_path_to(get_parent())
 #	UnitCamera.target_node = _Units[0]
-	
-	pass
-	
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
@@ -63,3 +63,20 @@ func _getScreenCenter():
 	
 func _getMousePosition(event: InputEvent):
 	return get_viewport().get_camera_2d().make_input_local(event)
+
+
+#func prepareAStarGrid():
+#	var astarGrid = AStarGrid2D.new()
+#	astarGrid.cell_size = GroundLayer.tile_set.tile_size
+#	astarGrid.region = Rect2(Vector2.ZERO, ceil(get_viewport_rect().size / astarGrid.cell_size))
+#	astarGrid.update()
+#	
+#	for id in ObstacleLayer.get_used_cells():
+#		var data: TileData = ObstacleLayer.get_cell_tile_data(id)
+#		if data and data.get_custom_data('obstacle'):
+#			astarGrid.set_point_solid(id)
+#		
+#	%GridDisplay.grid = astarGrid
+
+func get_cell_information(cell):
+	print(cell)

Scenes/Main/main.tscn

@@ -7,7 +7,7 @@
 [ext_resource type="Script" uid="uid://dukn3yshfepum" path="res://Scenes/Main/grid_debug.gd" id="5_y3v7k"]
 [ext_resource type="PackedScene" uid="uid://b1d6lktijxy3s" path="res://Scenes/Unit/move/unit.tscn" id="6_2a143"]
 [ext_resource type="Script" uid="uid://cidjtc27oj1gn" path="res://Scenes/Main/cursor.gd" id="7_y3v7k"]
-[ext_resource type="Texture2D" uid="uid://bckknh8k5fh1s" path="res://Graphics/TileMaps/kenney_rpgUrbanKit/Tiles/tile_0448.png" id="8_hryqi"]
+[ext_resource type="Script" uid="uid://dtme43jtijpok" path="res://Scenes/Main/grid_display.gd" id="8_y3v7k"]
 
 [sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_y3v7k"]
 
@@ -26,10 +26,12 @@ script = ExtResource("5_y3v7k")
 grid = ExtResource("5_p6jpk")
 
 [node name="Unit" parent="GameBoard" instance=ExtResource("6_2a143")]
-visible = false
 position = Vector2(400, 224)
 grid = ExtResource("5_p6jpk")
 
+[node name="Sprite2D" parent="GameBoard/Unit/PathFollow2D" index="1"]
+texture = null
+
 [node name="Cursor" type="Node2D" parent="GameBoard"]
 position = Vector2(8, 8)
 script = ExtResource("7_y3v7k")
@@ -37,7 +39,6 @@ grid = ExtResource("5_p6jpk")
 
 [node name="Sprite2D" type="Sprite2D" parent="GameBoard/Cursor"]
 position = Vector2(10, -10)
-texture = ExtResource("8_hryqi")
 
 [node name="Timer" type="Timer" parent="GameBoard/Cursor"]
 wait_time = 0.1
@@ -46,3 +47,30 @@ wait_time = 0.1
 position = Vector2(50, 50)
 scale = Vector2(2, 2)
 texture = SubResource("PlaceholderTexture2D_y3v7k")
+
+[node name="HUD" type="CanvasLayer" parent="."]
+
+[node name="GridDisplay" type="Control" parent="HUD"]
+unique_name_in_owner = true
+layout_mode = 3
+anchors_preset = 0
+offset_right = 40.0
+offset_bottom = 40.0
+script = ExtResource("8_y3v7k")
+
+[node name="MarginContainer" type="MarginContainer" parent="HUD/GridDisplay"]
+layout_mode = 0
+offset_right = 40.0
+offset_bottom = 40.0
+
+[node name="PanelContainer" type="PanelContainer" parent="HUD/GridDisplay/MarginContainer"]
+layout_mode = 2
+
+[node name="ShowGrid" type="CheckBox" parent="HUD/GridDisplay/MarginContainer/PanelContainer"]
+layout_mode = 2
+text = "Show Grid"
+
+[connection signal="accept_pressed" from="GameBoard/Cursor" to="." method="get_cell_information"]
+[connection signal="toggled" from="HUD/GridDisplay/MarginContainer/PanelContainer/ShowGrid" to="HUD/GridDisplay" method="toggle_grid_display"]
+
+[editable path="GameBoard/Unit"]