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unable to read memory with inheritance
How to get the current directory in a C program?How to determine CPU and memory consumption from inside a process?Inheriting constructorsDifference between private, public, and protected inheritanceRead whole ASCII file into C++ std::stringC++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ programming?Can a local variable's memory be accessed outside its scope?Read file line by line using ifstream in C++Why is reading lines from stdin much slower in C++ than Python?Unable to read memoryMemory Pools and <Unable to read memory>
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;
I cant save & load my data in inheritance class.
when codes are get in to load Function debuger said unable to read memory and cant access to member funtion
Object is super class, CPlayer is subclass
CMainGame::CMainGame()
:player(nullptr),field(nullptr), save_load(nullptr)
field = new CField();
save_load = new CSave_Load;
void CMainGame::select_class()
case 4:
//player = new CPlayer;
player = new CPlayer("", 0.f, 0.f, 0, 0, 0);
save_load->Load(player);
return;
save_load header & cpp
class CSave_Load
public:
CSave_Load();
~CSave_Load();
void Save(class CObject* _player);
void Load(class CObject* _player);
;
//Load Function
void CSave_Load::Load(CObject* _player)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_player, sizeof(CObject), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
c++
asked Mar 24 at 14:25
문형준문형준
32
add a comment |
I cant save & load my data in inheritance class.
when codes are get in to load Function debuger said unable to read memory and cant access to member funtion
Object is super class, CPlayer is subclass
CMainGame::CMainGame()
:player(nullptr),field(nullptr), save_load(nullptr)
field = new CField();
save_load = new CSave_Load;
void CMainGame::select_class()
case 4:
//player = new CPlayer;
player = new CPlayer("", 0.f, 0.f, 0, 0, 0);
save_load->Load(player);
return;
save_load header & cpp
class CSave_Load
public:
CSave_Load();
~CSave_Load();
void Save(class CObject* _player);
void Load(class CObject* _player);
;
//Load Function
void CSave_Load::Load(CObject* _player)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_player, sizeof(CObject), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
c++
asked Mar 24 at 14:25
문형준문형준
32
Maybe you should explain what isCObject? If you have something else than very basic type, you should write serialization/deserialization.
– mpromonet
Mar 24 at 14:50
Cobject is super class for CPlayer which has struct in basic type, and constructor, destructor and some member function
– 문형준
Mar 24 at 15:01
if you readsizeof(CObject), you will not get aCObject, not aCPlayer. You need to implement proper serialization/deserialization mechanism, or use a library that do this.
– mpromonet
Mar 24 at 21:31
add a comment |
I cant save & load my data in inheritance class.
when codes are get in to load Function debuger said unable to read memory and cant access to member funtion
Object is super class, CPlayer is subclass
CMainGame::CMainGame()
:player(nullptr),field(nullptr), save_load(nullptr)
field = new CField();
save_load = new CSave_Load;
void CMainGame::select_class()
case 4:
//player = new CPlayer;
player = new CPlayer("", 0.f, 0.f, 0, 0, 0);
save_load->Load(player);
return;
save_load header & cpp
class CSave_Load
public:
CSave_Load();
~CSave_Load();
void Save(class CObject* _player);
void Load(class CObject* _player);
;
//Load Function
void CSave_Load::Load(CObject* _player)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_player, sizeof(CObject), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
c++
asked Mar 24 at 14:25
문형준문형준
32
I cant save & load my data in inheritance class.
when codes are get in to load Function debuger said unable to read memory and cant access to member funtion
Object is super class, CPlayer is subclass
CMainGame::CMainGame()
:player(nullptr),field(nullptr), save_load(nullptr)
field = new CField();
save_load = new CSave_Load;
void CMainGame::select_class()
case 4:
//player = new CPlayer;
player = new CPlayer("", 0.f, 0.f, 0, 0, 0);
save_load->Load(player);
return;
save_load header & cpp
class CSave_Load
public:
CSave_Load();
~CSave_Load();
void Save(class CObject* _player);
void Load(class CObject* _player);
;
//Load Function
void CSave_Load::Load(CObject* _player)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_player, sizeof(CObject), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
c++
c++
asked Mar 24 at 14:25
문형준문형준
32
asked Mar 24 at 14:25
문형준문형준
32
edited Mar 24 at 14:29
문형준
asked Mar 24 at 14:25
문형준문형준
32
asked Mar 24 at 14:25
문형준문형준
32
asked Mar 24 at 14:25
문형준문형준
32
32
Maybe you should explain what isCObject? If you have something else than very basic type, you should write serialization/deserialization.
– mpromonet
Mar 24 at 14:50
Cobject is super class for CPlayer which has struct in basic type, and constructor, destructor and some member function
– 문형준
Mar 24 at 15:01
if you readsizeof(CObject), you will not get aCObject, not aCPlayer. You need to implement proper serialization/deserialization mechanism, or use a library that do this.
– mpromonet
Mar 24 at 21:31
add a comment |
Maybe you should explain what isCObject? If you have something else than very basic type, you should write serialization/deserialization.
– mpromonet
Mar 24 at 14:50
Cobject is super class for CPlayer which has struct in basic type, and constructor, destructor and some member function
– 문형준
Mar 24 at 15:01
if you readsizeof(CObject), you will not get aCObject, not aCPlayer. You need to implement proper serialization/deserialization mechanism, or use a library that do this.
– mpromonet
Mar 24 at 21:31
Maybe you should explain what is
CObject? If you have something else than very basic type, you should write serialization/deserialization.– mpromonet
Mar 24 at 14:50
Maybe you should explain what is
CObject? If you have something else than very basic type, you should write serialization/deserialization.– mpromonet
Mar 24 at 14:50
Cobject is super class for CPlayer which has struct in basic type, and constructor, destructor and some member function
– 문형준
Mar 24 at 15:01
Cobject is super class for CPlayer which has struct in basic type, and constructor, destructor and some member function
– 문형준
Mar 24 at 15:01
if you read
sizeof(CObject), you will not get a CObject, not a CPlayer. You need to implement proper serialization/deserialization mechanism, or use a library that do this.– mpromonet
Mar 24 at 21:31
if you read
sizeof(CObject), you will not get a CObject, not a CPlayer. You need to implement proper serialization/deserialization mechanism, or use a library that do this.– mpromonet
Mar 24 at 21:31
add a comment |
2 Answers
2
active
oldest
votes
Are you using VisualStudio?
It is possible that the directory from which the EXE is being run, is not the source code directory, as VisualStudio builds out of source.
What happens when you full path? The code seems "OK"ish, but it's really hard to guess without seeing the full picture.
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
yes i'm using Visual Studio 2015. i think that code is OK too. and it sometimes run normaly... can i send my full project??
– 문형준
Mar 24 at 15:05
No you don't :) But... look into the settings - and verify that the project is running from the source directory and not build directory.
– elcuco
Mar 24 at 15:10
how can i check them?
– 문형준
Mar 24 at 15:16
Just a side note - you marked the answer as accepted. However, you still did not fix the problem.. so... Regarding the "how do I check"... look in the project settings. Eventually you will find it (not using VisualStudio - can't help you there). However - here is a hint: stackoverflow.com/questions/298510/…
– elcuco
Mar 24 at 15:37
i found project files but i cant solve my problem lol but it was helpful. i should ask this problem to my professor
– 문형준
Mar 24 at 15:56
add a comment |
finally i solve this problem by sending struct for argument in save, load function
Compiler didn't know CObject or CPlayer size because they are too heavy
INFO* CSave_Load::Load(INFO* _info)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_info, sizeof(INFO), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
return _info;
INFO is struct in CObject class
answered Mar 26 at 1:08
문형준문형준
32
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Are you using VisualStudio?
It is possible that the directory from which the EXE is being run, is not the source code directory, as VisualStudio builds out of source.
What happens when you full path? The code seems "OK"ish, but it's really hard to guess without seeing the full picture.
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
yes i'm using Visual Studio 2015. i think that code is OK too. and it sometimes run normaly... can i send my full project??
– 문형준
Mar 24 at 15:05
No you don't :) But... look into the settings - and verify that the project is running from the source directory and not build directory.
– elcuco
Mar 24 at 15:10
how can i check them?
– 문형준
Mar 24 at 15:16
Just a side note - you marked the answer as accepted. However, you still did not fix the problem.. so... Regarding the "how do I check"... look in the project settings. Eventually you will find it (not using VisualStudio - can't help you there). However - here is a hint: stackoverflow.com/questions/298510/…
– elcuco
Mar 24 at 15:37
i found project files but i cant solve my problem lol but it was helpful. i should ask this problem to my professor
– 문형준
Mar 24 at 15:56
add a comment |
Are you using VisualStudio?
It is possible that the directory from which the EXE is being run, is not the source code directory, as VisualStudio builds out of source.
What happens when you full path? The code seems "OK"ish, but it's really hard to guess without seeing the full picture.
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
yes i'm using Visual Studio 2015. i think that code is OK too. and it sometimes run normaly... can i send my full project??
– 문형준
Mar 24 at 15:05
No you don't :) But... look into the settings - and verify that the project is running from the source directory and not build directory.
– elcuco
Mar 24 at 15:10
how can i check them?
– 문형준
Mar 24 at 15:16
Just a side note - you marked the answer as accepted. However, you still did not fix the problem.. so... Regarding the "how do I check"... look in the project settings. Eventually you will find it (not using VisualStudio - can't help you there). However - here is a hint: stackoverflow.com/questions/298510/…
– elcuco
Mar 24 at 15:37
i found project files but i cant solve my problem lol but it was helpful. i should ask this problem to my professor
– 문형준
Mar 24 at 15:56
add a comment |
Are you using VisualStudio?
It is possible that the directory from which the EXE is being run, is not the source code directory, as VisualStudio builds out of source.
What happens when you full path? The code seems "OK"ish, but it's really hard to guess without seeing the full picture.
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
Are you using VisualStudio?
It is possible that the directory from which the EXE is being run, is not the source code directory, as VisualStudio builds out of source.
What happens when you full path? The code seems "OK"ish, but it's really hard to guess without seeing the full picture.
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
answered Mar 24 at 14:45
elcucoelcuco
5,96573558
5,96573558
yes i'm using Visual Studio 2015. i think that code is OK too. and it sometimes run normaly... can i send my full project??
– 문형준
Mar 24 at 15:05
No you don't :) But... look into the settings - and verify that the project is running from the source directory and not build directory.
– elcuco
Mar 24 at 15:10
how can i check them?
– 문형준
Mar 24 at 15:16
Just a side note - you marked the answer as accepted. However, you still did not fix the problem.. so... Regarding the "how do I check"... look in the project settings. Eventually you will find it (not using VisualStudio - can't help you there). However - here is a hint: stackoverflow.com/questions/298510/…
– elcuco
Mar 24 at 15:37
i found project files but i cant solve my problem lol but it was helpful. i should ask this problem to my professor
– 문형준
Mar 24 at 15:56
add a comment |
yes i'm using Visual Studio 2015. i think that code is OK too. and it sometimes run normaly... can i send my full project??
– 문형준
Mar 24 at 15:05
No you don't :) But... look into the settings - and verify that the project is running from the source directory and not build directory.
– elcuco
Mar 24 at 15:10
how can i check them?
– 문형준
Mar 24 at 15:16
Just a side note - you marked the answer as accepted. However, you still did not fix the problem.. so... Regarding the "how do I check"... look in the project settings. Eventually you will find it (not using VisualStudio - can't help you there). However - here is a hint: stackoverflow.com/questions/298510/…
– elcuco
Mar 24 at 15:37
i found project files but i cant solve my problem lol but it was helpful. i should ask this problem to my professor
– 문형준
Mar 24 at 15:56
yes i'm using Visual Studio 2015. i think that code is OK too. and it sometimes run normaly... can i send my full project??
– 문형준
Mar 24 at 15:05
yes i'm using Visual Studio 2015. i think that code is OK too. and it sometimes run normaly... can i send my full project??
– 문형준
Mar 24 at 15:05
No you don't :) But... look into the settings - and verify that the project is running from the source directory and not build directory.
– elcuco
Mar 24 at 15:10
No you don't :) But... look into the settings - and verify that the project is running from the source directory and not build directory.
– elcuco
Mar 24 at 15:10
how can i check them?
– 문형준
Mar 24 at 15:16
how can i check them?
– 문형준
Mar 24 at 15:16
Just a side note - you marked the answer as accepted. However, you still did not fix the problem.. so... Regarding the "how do I check"... look in the project settings. Eventually you will find it (not using VisualStudio - can't help you there). However - here is a hint: stackoverflow.com/questions/298510/…
– elcuco
Mar 24 at 15:37
Just a side note - you marked the answer as accepted. However, you still did not fix the problem.. so... Regarding the "how do I check"... look in the project settings. Eventually you will find it (not using VisualStudio - can't help you there). However - here is a hint: stackoverflow.com/questions/298510/…
– elcuco
Mar 24 at 15:37
i found project files but i cant solve my problem lol but it was helpful. i should ask this problem to my professor
– 문형준
Mar 24 at 15:56
i found project files but i cant solve my problem lol but it was helpful. i should ask this problem to my professor
– 문형준
Mar 24 at 15:56
add a comment |
finally i solve this problem by sending struct for argument in save, load function
Compiler didn't know CObject or CPlayer size because they are too heavy
INFO* CSave_Load::Load(INFO* _info)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_info, sizeof(INFO), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
return _info;
INFO is struct in CObject class
answered Mar 26 at 1:08
문형준문형준
32
add a comment |
finally i solve this problem by sending struct for argument in save, load function
Compiler didn't know CObject or CPlayer size because they are too heavy
INFO* CSave_Load::Load(INFO* _info)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_info, sizeof(INFO), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
return _info;
INFO is struct in CObject class
answered Mar 26 at 1:08
문형준문형준
32
add a comment |
finally i solve this problem by sending struct for argument in save, load function
Compiler didn't know CObject or CPlayer size because they are too heavy
INFO* CSave_Load::Load(INFO* _info)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_info, sizeof(INFO), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
return _info;
INFO is struct in CObject class
answered Mar 26 at 1:08
문형준문형준
32
finally i solve this problem by sending struct for argument in save, load function
Compiler didn't know CObject or CPlayer size because they are too heavy
INFO* CSave_Load::Load(INFO* _info)
FILE* fp = nullptr;
errno_t err = fopen_s(&fp, "./Data/Save.txt", "rb");
if (err == 0)
fread(_info, sizeof(INFO), 1, fp);
cout << "불러오기 성공" << endl;
fclose(fp);
else
cout << "불러오기 실패" << endl;
system("pause");
return _info;
INFO is struct in CObject class
answered Mar 26 at 1:08
문형준문형준
32
answered Mar 26 at 1:08
문형준문형준
32
answered Mar 26 at 1:08
문형준문형준
32
answered Mar 26 at 1:08
문형준문형준
32
32
add a comment |
add a comment |
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Maybe you should explain what is
CObject? If you have something else than very basic type, you should write serialization/deserialization.– mpromonet
Mar 24 at 14:50
Cobject is super class for CPlayer which has struct in basic type, and constructor, destructor and some member function
– 문형준
Mar 24 at 15:01
if you read
sizeof(CObject), you will not get aCObject, not aCPlayer. You need to implement proper serialization/deserialization mechanism, or use a library that do this.– mpromonet
Mar 24 at 21:31