C++ :: Logging Namespace For A Game - Method Formats
Mar 17, 2014
I am creating a logging namespace for a game that I am creating. The logging includes a file, and it would contain the following methods:
OUT::log(?)
OUT::warn(?)
OUT::critical(?)
OUT::debug(?)
I will want to call things like
OUT::log("Something happened");
and
OUT::log("Code process " + int proc + " occurred.");
But this might have to be changed to something like
OUT::log("Code process ", int proc, " occurred.");
What would I put in place of "?" to accomplish this?
I don't want to create 30 different methods for this, ie, not
OUT::log(string, int, string);
OUT::log(string, long, string);
OUT::log(string, double, string);
OUT::log(string, int);
OUT::log(string, int, string, int, string);
...I do NOT want to do this...too much chaos. I understand in C++11, I could do something with int like to_string, and that would make the "string" + int + "string" to work.
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Mar 14, 2014
I am developing logging class and it loos like below now, my question here is I would like to avoid situation to call this class methods multiple times in same time - as I've read when I have static class or even static method (not exactly whole class) it can be call only once in time. Is this true and whether my class would pass the concept to avoid multi accessing - lets say in case of multithreading case - if one task would try to call statuc method when there is already some other trad using it.
public static class Log {
public static string EngineName { get; set; }
private static List<String> logdata = new List<string>();
public static void LogMessage(string msg, ELogflag flag, string title = "") {
StringBuilder sb = new StringBuilder();
[code]....
And my new Enum:
enum ELogflag {
LOG,
ENGINE,
CRITICAL,
CUSTOM
}
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Sep 25, 2014
I am working on one application that requires extensive logging so I want to create a log file of each day during execution.
I tried easylogging++ but i am unable to use into multiple files. If i try to use in other file. I get compilation errors of using same functions or methods already defined.
How can i use macro to hide the implementation of logging in one class to other ??
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Jul 22, 2014
I need to implement simple wrapper for logging function log(const char *). So the solution is below:
#include <stdio.h>
#include <sstream>
using namespace std;
void log(const char * str){ printf(str);}
[Code] ...
So, according to standard the temporary objects should not be destroyed before full expression execution (expression whitch is not a part of another expression).
The question is: is StreamLogger() << "foo1" << "foo2" << "foo3"; full expression or not?
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Sep 25, 2014
So this may be against the rules, not sure, grey area probably? However I just bought the PC game Oil Rush, and was having a look at how the assets are packed. As with most games the textures, scripts, sounds and audio are all free to access.
However the game data such as maps, models and other, are packed into UNG files, i.e a custom encrypted file format, which probably is also compressed. So I googled for an unpacker/extracter and found one which also comes with the C source. You can download here. [URL] ....
So I am trying to figure out how these authors work out this file format, from the source we have,
Code:
static const u8 unigine_mask[] = "xffx7fx3fx1fx0fx07x03x01";
u32 unigine_key = 0xa13cdbde;
Looks like a password of sorts. You then have to work out the complete understanding of the file formats, headers, blocks etc.. How is this done...
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Jun 18, 2013
I'm having a bit issue with ispunct in my function. The user can input a phone number in any of the formats below:
4147778888
(414)7778888
(414)777-8888
The program will only print out:
41447778888
What I am trying to do is accept any integer and parentheses. If the user inputs anything else, the program will display an error message. Right now, parentheses displays an error which is obvious but I'm wondering if there is a way I can allow a parentheses to be entered but not any other symbol. ex: . , : ; " '
Code:
void getPhoneNum(){
// Local Declarations
char string[14];
char* tokPtr;
[Code] ....
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Feb 3, 2015
know of a handy function (or library) for converting between different text formats? I've heard of a library called iconv but I've no familiarity with it. However, it looks promising (from what little I can find out about it...)
Specifically, the text %20 is often used in hypertext to indicate a space character - so the string "Hello There" would get changed into "Hello%20There". How can I easily change between one and the other?
Obviously I could use string replacement functions but that'd need me to anticipate every potential hypertext code sequence.
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Dec 12, 2013
Here your supposed to create a program that takes in information and formats it into three columns.
I can't seem to use the float variable unitprice with decimal places here for, if I try to use %.1f and type in an input, the program seems to skip over the second scanf function, not allowing me to put input into the third scanf function as the program runs before I can.
I can use %f on its own and it works but this creates too many zeroes(and you're supposed to set the currency limit to $99999.99).
Code:
#include <stdio.h>
int main(void) {
int itemno, month, year, day;
float unitprice;
[Code]....
So the output should look like three columns. It's just the float that is the issue here....
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Jan 17, 2013
I've been trying for more than one month to access a method found in a library called libcocosnas_static.a. I'm using Cocos2d-X version 2.0.4. The library has been used many times by my company to make games using cocos2d-1.0.1-x-0.12.0 without any problem.
This is what I've done:
1- I added the include paths of the library to both eclipse and Android.mk
2- Included the .h file using #include "NASPlatformUtil.h"
3- Added the libcocosnas_static.a file to the proj.androidobjlocalarmeabi folder
4- Added "LOCAL_WHOLE_STATIC_LIBRARIES += cocosnas_static" to the Android.mk file
5- Called the function using: NASPlatformUtil:: openUrl("http://xxx.xxx.com/");
I can right click on the function, click Open Declaration and get it without any problem, but the compiler keeps on giving me that dreaded error...
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Jun 10, 2014
i know using namespace std; is important to wite as it contain cout,cin,etc........but is that namespace std is contained inside iostream header file OR iostream header file is contained inside namespace std ......
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Feb 2, 2015
I have a question similar to the one here: [URL] .....
The main difference is I would like to pass a method of derived class as a parameter to some other method in its template base class.
template <typename BaseType>
class Base {
public:
typedef void (Base::*Callback)(int A);
[Code] .....
The above is an example which does not compile. My compiler complains that the two BaseMethod() calls in DerivedMethod() are invalid uses of non-static member function.
Is this not possible to do, or is my syntax simply wrong? All I want is to be able to pass as an an argument to a method in the base class from the derived class some callback as a variable for the base class to invoke later.
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May 4, 2013
It seems as though more experienced programmers tend to write code with std::cout, std::string, etc., whereas less experienced programmers always write using namespace std;. They also tend to assume that, in code snips, it is already included.
Why is this? If it's a dislike, what's the problem with it? As stated in the namespaces tutorial on this site, a namespace can be overridden if need be. Is it the case that you have written your own namespaces? Or that you so seldom use things like the STL and stdin/out that it just isn't necessary?
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Mar 18, 2015
#include<iostream>
#include<conio>
nmaespace num {
void disp(int x) {
[Code] ....
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May 19, 2013
Can we put using namespace std; in a header file? Someone told me not to do it, but I don't know why...
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May 2, 2013
I have two header files, A, B.
A.h
namespace test {
struct info
{
int a;
}
}
B.h
#include "A.h"
int main {
test::info.a = 10;
}
However, it has an error. I don't quite understand how to use namespace.
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Nov 29, 2013
exportmain.cpp
Code:
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
// Create an empty property tree object
using boost::property_tree::ptree;
#include "kwxport.h"
#include "resource.h"
[Code] ....
How can I make boost:roperty_tree:tree get recognized by the compiler?
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Jun 3, 2012
What is difference between an class and an namespace? You can put functions in both class and namespace?
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Mar 11, 2013
I've verified this on ubuntu 12.10 and on windows/mingw, and found that g++ version 4.7.2 seems to have broken thread/mutex support.
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Jan 8, 2015
Why is using namespace needed in linux but not in turbo c++?
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Jan 11, 2013
I want to create a namespace named MyNS.
Can I define it in multiple files?
I mean:
file1.h
namespace MyNS {
const int File1 = 0;
} file2.h
namespace MyNS {
const int File2 = 1;
[Code] .....
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Aug 23, 2014
I have two files that I want to compile:
main.cpp
Code:
#include <iostream>
using namespace std;
int ReadNumber();
void WriteAnswer();
[Code] .....
The compiler complains:
io.cpp||In function 'int ReadNumber()':|
io.cpp|3|error: 'cin' was not declared in this scope|
io.cpp||In function 'void WriteAnswer()':|
io.cpp|7|error: 'cout' was not declared in this scope|
io.cpp|7|error: 'endl' was not declared in this scope|
In io.cpp file, should I put the two statements ("include <iostream>" and "using namespace std") at the top, outside of the functions?
Or should I put the two statements inside each of the functions?
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Mar 25, 2013
I'm trying to make a class constructor within a namespace and I keep getting errors like: "'<variable>' is a nonstatic data member of class '<class>'" for when I try to setup parameters, and "Incomplete type is not allow" whenever I try to write out my function definition. Here's what I'm doing:
namespace test {
class blah;
} class blah {
typedef int var[5];
[Code] .....
Also I'm unsure why there is a parameter of 'const blah &' when I mouse over blah(); (using Visual Studio 2010) within the class definition. It tells me 'blah::blah(const blah &)' and I am unsure where the parameter comes from. How can I resolve these issues?
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Dec 13, 2012
I have created a Namespace Extension (I hope so) by creating a ATL Project with MFC support as dll in Visual Studio 2010.
Now I have a Implementation of IShellFolder:
Code:
// ILCShellFolder.h: Deklaration von CILCShellFolder
#pragma once
#include "resource.h" // Hauptsymbole
#include "NewNSE_i.h"
#if defined(_WIN32_WCE) && !defined(_CE_DCOM) && !defined(_CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA)
[Code] ....
Not any of those IShellFolder Methods is being called... When I attach the explorer.exe process (which I know I can use to debug on other projects, just in case to exclude errors) it tells me that the DLL is not loaded by the explorer.exe process.
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Oct 20, 2013
I am trying to test out stoi() function found in the link below.
[URL] ....
but I got the error "No Member named stoi in namespace std." ...
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Dec 21, 2014
I'm working on my first video game. So far I have a few classes in the game starting with the Game class which includes a list of GameObjects (another class). There are several classes that inherit from GameObjects used to implement things like bullets, explosions, various enemy types, etc.
The game essentially iterates through the list of GameObjects to update/render them. I would like to provide access to the Game's list of GameObjects inside another class (like the Bullet class) so I can put new objects on the list. For example, when a bullet hits, I want to add an explosion to the Game's GameObject list it can be updated/rendered.
How this should be setup? I was considering adding a pointer to the Game or GameObject list to the GameObject class (and methods to access it), but I was wondering if there is a better way to set this up?
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Sep 13, 2014
I would like to make a program for calculating the total price of a game station, and a game. I made a program like this for just the price of a game in class, but I want to make one that does the game system as well.
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