tickCache.h

Classes:

class
Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2012 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#ifndef _TICKCACHE_H_
25#define _TICKCACHE_H_
26
27#ifndef _PLATFORM_H_
28#include "platform/platform.h"
29#endif
30
31struct Move;
32
33struct TickCacheEntry
34{
35   enum { MaxPacketSize=140 };
36
37   U8 packetData[MaxPacketSize];
38   TickCacheEntry * next;
39   Move * move;
40
41   // If you want to assign moves to tick cache for later playback, allocate them here
42   Move * allocateMove();
43};
44
45struct TickCacheHead;
46
47class TickCache
48{
49public:
50   TickCache();
51   ~TickCache();
52
53   TickCacheEntry * addCacheEntry();
54   void dropOldest();
55   void dropNextOldest();
56   void ageCache(S32 numToAge, S32 len);
57   void setCacheSize(S32 len);
58   void beginCacheList();
59   TickCacheEntry * incCacheList(bool addIfNeeded=true);
60
61private:
62   TickCacheHead * mTickCacheHead;
63};
64
65inline TickCache::TickCache()
66{
67   mTickCacheHead = NULL;
68}
69
70#endif // _TICKCACHE_H_
71