1 //
2 // Copyright (c) 2008-2017 the Urho3D project.
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a copy
5 // of this software and associated documentation files (the "Software"), to deal
6 // in the Software without restriction, including without limitation the rights
7 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 // copies of the Software, and to permit persons to whom the Software is
9 // furnished to do so, subject to the following conditions:
10 //
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 // THE SOFTWARE.
21 //
22 
23 #pragma once
24 
25 #include "../Container/HashMap.h"
26 #include "../Container/Ptr.h"
27 
28 namespace Urho3D
29 {
30 
31 class Component;
32 class Node;
33 
34 /// Utility class that resolves node & component IDs after a scene or partial scene load.
35 class URHO3D_API SceneResolver
36 {
37 public:
38     /// Construct.
39     SceneResolver();
40     /// Destruct.
41     ~SceneResolver();
42 
43     /// Reset. Clear all remembered nodes and components.
44     void Reset();
45     /// Remember a created node.
46     void AddNode(unsigned oldID, Node* node);
47     /// Remember a created component.
48     void AddComponent(unsigned oldID, Component* component);
49     /// Resolve component and node ID attributes and reset.
50     void Resolve();
51 
52 private:
53     /// Nodes.
54     HashMap<unsigned, WeakPtr<Node> > nodes_;
55     /// Components.
56     HashMap<unsigned, WeakPtr<Component> > components_;
57 };
58 
59 }
60