feat: add player resource node harvesting

player/player.gd

@@ -7,8 +7,6 @@ extends CharacterBody3D
 
 @export var simulation_manager: Node
 
-@export var farm_zone: Marker3D
-@export var forest_zone: Marker3D
 @export var food_zone: Marker3D
 @export var guard_zone: Marker3D
 @export var study_zone: Marker3D
@@ -62,13 +60,10 @@ func try_interact() -> void:
 	if simulation_manager == null:
 		return
 
-	if is_near(farm_zone):
-		simulation_manager.add_food(5.0)
-		print("Player gathered food for the village.")
-	elif is_near(forest_zone):
-		simulation_manager.add_wood(5.0)
-		print("Player gathered wood for the village.")
-	elif is_near(guard_zone):
+	if try_harvest_resource_node():
+		return
+
+	if is_near(guard_zone):
 		simulation_manager.add_safety(3.0)
 		print("Player helped guard the village.")
 	elif is_near(study_zone):
@@ -76,7 +71,31 @@ func try_interact() -> void:
 		print("Player shared knowledge.")
 	elif is_near(food_zone):
 		simulation_manager.eat_food(stomach_capacity_for_food)
-		print("Player eating shit up.")
+		print("Player ate food from the village supply.")
+
+func try_harvest_resource_node() -> bool:
+	var node := ResourceNode.find_nearest_for_player(global_position, interaction_range)
+	if node == null:
+		return false
+
+	if not node.enabled:
+		print("%s is unavailable." % node.node_id)
+		return true
+
+	if node.is_depleted():
+		print("%s is depleted." % node.node_id)
+		return true
+
+	if not simulation_manager.has_method("harvest_resource_node"):
+		push_error("Player: SimulationManager cannot harvest ResourceNodes")
+		return true
+
+	var extracted: float = simulation_manager.harvest_resource_node(node)
+	if extracted > 0.0:
+		print("Player gathered %s %s from %s." % [extracted, node.resource_id, node.node_id])
+	else:
+		print("%s could not be harvested." % node.node_id)
+	return true
 		
 func is_near(zone: Marker3D) -> bool:
 	if zone == null: