DelayedLoadSystem.hpp
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1 #pragma once
2 
3 #include "DelayedLoad.hpp"
4 #include <ivorium_core/ivorium_core.hpp>
5 #include <unordered_map>
6 
7 namespace iv
8 {
9 
10 class DelayedLoader;
11 
12 class DelayedLoadStatus
13 {
14 public:
15  DelayedLoadStatus();
16 
17  int items_total;
18  int items_done;
19  int complexity_total;
20  int complexity_done;
21 };
22 
25 class DelayedLoadSystem : public System
26 {
27 public:
28  DelayedLoadSystem( SystemContainer * sc );
29  virtual std::string debug_name() const override { return "DelayedLoadSystem"; }
30 
31  bool loadStep();
32 
33  //--------------------- DelayedLoadSystem --------------------
37  void QueueDelayedLoad( DelayedLoad * load, int complexity_bytes );
38  void ClearDelayedLoad( DelayedLoad * load );
39 
43  void loader_register( DelayedLoader * );
44  void loader_unregister( DelayedLoader * );
45  void BlockLoading( DelayedLoader *, bool block );
46  bool LoadingRunning();
47 
51  DelayedLoadStatus const & Status();
52 
53 private:
54  void Notify_LoadStart();
55  void Notify_LoadFinish();
56  void Notify_ItemQueued( DelayedLoad const * item, int complexity_bytes );
57  void Notify_ItemLoaded( DelayedLoad const * item, int complexity_bytes );
58 
59 private:
60  std::unordered_map< DelayedLoad *, int > _to_load;
61 
62  volatile_set< DelayedLoader * > _loaders;
63  volatile_set< DelayedLoader * > _blockers;
64 
65  bool _loading;
66  DelayedLoadStatus status;
67 };
68 
69 }