ManaPlus
resource.cpp
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1 /*
2  * The ManaPlus Client
3  * Copyright (C) 2004-2009 The Mana World Development Team
4  * Copyright (C) 2009-2010 The Mana Developers
5  * Copyright (C) 2011-2017 The ManaPlus Developers
6  *
7  * This file is part of The ManaPlus Client.
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program. If not, see <http://www.gnu.org/licenses/>.
21  */
22 
23 #include "resources/resource.h"
24 
25 #include "logger.h"
26 
27 #include "utils/cast.h"
28 
30 
31 #include "debug.h"
32 
34 {
35 }
36 
38 {
39 #ifdef DEBUG_IMAGES
40  logger->log("before incRef for: %p", static_cast<void*>(this));
41  mRefCount++;
42  logger->log("after incRef: %p, %u", static_cast<void*>(this), mRefCount);
43 #else // DEBUG_IMAGES
44 
45  mRefCount++;
46 #endif // DEBUG_IMAGES
47 }
48 
50 {
51 #ifdef DEBUG_IMAGES
52  logger->log("before decRef for: %p", static_cast<void*>(this));
53 #endif // DEBUG_IMAGES
54 
55  // Reference may not already have reached zero
56  if (mRefCount == 0)
57  {
58  logger->log("Warning: mRefCount already zero for %s", mIdPath.c_str());
59  return;
60  }
61 
62  mRefCount--;
63 
64 #ifdef DEBUG_IMAGES
65  logger->log("after decRef: %p, %u", static_cast<void*>(this), mRefCount);
66 #endif // DEBUG_IMAGES
67 
68  if (mRefCount == 0 && !mNotCount)
69  {
70  // Warn the manager that this resource is no longer used.
72  }
73 }
74 
76 {
77  return CAST_S32(sizeof(Resource)) +
78  CAST_S32(mIdPath.size()) +
79  CAST_S32(mSource.size());
80 }
std::string mSource
Definition: resource.h:84
bool mNotCount
Definition: resource.h:88
virtual ~Resource()
Definition: resource.cpp:33
virtual void decRef()
Definition: resource.cpp:49
int calcMemoryLocal() const
Definition: resource.cpp:75
unsigned int mRefCount
Definition: resource.h:86
Logger * logger
Definition: logger.cpp:95
#define CAST_S32
Definition: cast.h:29
virtual void incRef()
Definition: resource.cpp:37
void release(Resource *const res)
void log(const char *const log_text,...)
Definition: logger.cpp:243
std::string mIdPath
Definition: resource.h:83