add 'core:pathfinding' component

res/scripts/components/pathfinding.lua

@@ -0,0 +1,39 @@
+local target
+local route
+local started
+
+local tsf = entity.transform
+
+agent = pathfinding.create_agent()
+pathfinding.set_max_visited(agent, 100000)
+
+function set_target(new_target)
+    target = new_target
+end
+
+function get_target()
+    return target
+end
+
+function get_route()
+    return route
+end
+
+function on_update()
+    if not started then
+        if target then
+            pathfinding.make_route_async(agent, tsf:get_pos(), target)
+            started = true
+        end
+    else
+        local new_route = pathfinding.pull_route(agent)
+        if new_route then
+            route = new_route
+            started = false
+        end
+    end
+end
+
+function on_despawn()
+    pathfinding.remove_agent(agent)
+end