Enable unit selection and path visualization logic via Cursor interactions.

Scenes/Main/player.gd

@@ -4,6 +4,9 @@ extends CharacterBody2D
 var grid: AStarGrid2D
 var currentCell: Vector2i
 var currentPoint: int
+var selected: bool:
+	set(v):
+		selected = v; $PathPrev.visible = selected;
 var moving: bool:
 	set(v):
 		moving = v; $PathPrev.visible = not moving; set_physics_process(moving)
@@ -11,9 +14,12 @@ var moving: bool:
 var targetCell: Vector2i
 var movePts: Array
 
-func _ready(): moving = false
+func _ready(): 
+	selected = false
+	moving = false
 
 func setup(_grid: AStarGrid2D):
+	selected = true
 	grid = _grid
 	currentCell = pos_to_cell(global_position)
 	targetCell = currentCell
@@ -23,15 +29,18 @@ func pos_to_cell(pos: Vector2):
 	
 func _input(event: InputEvent) -> void:
 	if moving: return
-	if event is InputEventMouseButton:
-		if event.pressed and event.button_index == MOUSE_BUTTON_LEFT: startMove()
-	elif event is InputEventMouseMotion:
-		var target = Vector2i(pos_to_cell(event.position))
-		if target != targetCell:
-			movePts = grid.get_point_path(currentCell, target)
-			movePts = (movePts as Array).map(func (point): return point + grid.cell_size/2.0)
-			$PathPrev.points = movePts
-			targetCell = target
+	
+	if event.is_action_pressed("SetMarker") and selected: startMove()
+		
+func setTarget(target: Vector2i):
+	if !selected: return
+	if moving: return
+	if target != targetCell:
+		movePts = grid.get_point_path(currentCell, target)
+		movePts = (movePts as Array).map(func (point): return point + grid.cell_size/2.0)
+		$PathPrev.points = movePts
+		targetCell = target
+
 
 func startMove():
 	if movePts.is_empty(): return
@@ -50,3 +59,9 @@ func _physics_process(delta: float) -> void:
 		if (movePts[currentPoint+1] - global_position).length() < 4:
 			currentCell = pos_to_cell(global_position)
 			currentPoint += 1
+
+func selectUnit(cell: Vector2i):
+	if cell == currentCell:
+		selected = true
+	else:
+		selected = false