What do you need help with? V4 (January 2012)

[mrtilepy]

[QUOTE=IndieGamer;34884175]Whats an identifier it's an error i have.
int = age;

The = has a line under it for the error.[/QUOTE]

It should be either:

[csharp]int age;[/csharp]

Or:

[csharp] int nameOfInt = age;[/csharp]

Depending on if you're trying to declare age as variable or assign age to a variable.

[esalaka]

-fuck-

[IndieGamer]

[QUOTE=starbug;34884189]int age;[/QUOTE]

Ok.

[editline]26th February 2012[/editline]

[QUOTE=MrTilepy;34884195]It should be either:

[csharp]int age;[/csharp]

Or:

[csharp] int nameOfInt = age;[/csharp]

Depending on if you're trying to declare age as variable or assign age to a variable.[/QUOTE]

Ok.

[editline]26th February 2012[/editline]

int age;
Console.WriteLine("age * 100");

I can't get age to times by 100.

[Catdaemon]

[QUOTE=Kepler;34883799][IMG]http://i.imgur.com/6klMm.png[/IMG]
This is transparent. Help[/QUOTE]

I spent a good while trying to get visual studio to let me do this. I couldn't find a way, except using a gif. Yep.

[Richy13]

[QUOTE=IndieGamer;34884343]Ok.

[editline]26th February 2012[/editline]

Ok.

[editline]26th February 2012[/editline]

int age;
Console.WriteLine("age * 100");

I can't get age to times by 100.[/QUOTE]

Dont use quotes or it treates it like a string

[Topgamer7]

[QUOTE=IndieGamer;34884343]Ok.

[editline]26th February 2012[/editline]

Drop the quotes in console.writeline
Ok.

[editline]26th February 2012[/editline]

int age;
Console.WriteLine("age * 100");

I can't get age to times by 100.[/QUOTE]

[WTF Nuke]

Also, make sure you assign age to something.

[Richy13]

[QUOTE=WTF Nuke;34886015]Also, make sure you assign age to something.[/QUOTE]

IIRC C# automatically assigns it to 0

[BlkDucky]

[QUOTE=Richy19;34886146]IIRC C# automatically assigns it to 0[/QUOTE]

You should never rely on this, though.

[Octave]

Because if you ever get to C and do that you'll either segfault or get garbage numbers from memory

[stringy]

Is it [B][url=http://en.wikipedia.org/wiki/Undefined_behavior]Undefined Behavior[/url][/B], and thus you can't be certain it will always be assigned the default value?

[WTF Nuke]

Then whats the point of doing 0*100?

[swift and shift]

[QUOTE=BlkDucky;34886203]You should never rely on this, though.[/QUOTE]

the C# standard guarantees all variables are automatically initialized to default(T).

default(int) is 0

[Pangogie]

Not sure if this is a good place for this, but it seems like...

Anyway, I need a small project to work on so I can get better.
I know C++ semi decently and I am learning Java.
So ya, if someone could give me an idea of a small program to make that would be greatly appreciated. =]

[mechanarchy]

[QUOTE=Pangogie;34890586]Not sure if this is a good place for this, but it seems like...

Anyway, I need a small project to work on so I can get better.
I know C++ semi decently and I am learning Java.
So ya, if someone could give me an idea of a small program to make that would be greatly appreciated. =][/QUOTE]

It might be an idea to make a thread for this, I find myself asking similar questions a lot. But here's a few ideas that may be of help to you:
Temperature converter (not just Fahrenheit\Celsius but also Kelvin, Rankine, anything else you can think of)
Unit converter (eg metres to yards, decades to days, whatever)
Basic calculator
Caesar (letter-shift) cipher
Other types of basic ciphers
Numeric base converter (eg 10 in base 16 == 16 in base 10 == 20 in base 8 == 10000 in base 2)

[BlkDucky]

[QUOTE=swift and shift;34890565]the C# standard guarantees all variables are automatically initialized to default(T).

default(int) is 0[/QUOTE]

Even so, I don't think it's particularly clear code. You should still explicitly set it to 0.

[skooch]

[QUOTE=mechanarchy;34891593]It might be an idea to make a thread for this, I find myself asking similar questions a lot. But here's a few ideas that may be of help to you:
Temperature converter (not just Fahrenheit\Celsius but also Kelvin, Rankine, anything else you can think of)
Unit converter (eg metres to yards, decades to days, whatever)
Basic calculator
Caesar (letter-shift) cipher
Other types of basic ciphers
Numeric base converter (eg 10 in base 16 == 16 in base 10 == 20 in base 8 == 10000 in base 2)[/QUOTE]

A good Java project to help you learn it and the swing library is to make a basic banking management program (income/expenditure/balance). Its what I did when learning Java.

[James]

I'm creating my own url protocol in c++ ( "http://" , "svn://" , those types of things ). Except when i get an argument , it only returns the first letter of the argument. Could anyone help?

code:

// Alert.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <string>

using namespace std;

int _tmain(int argc, char* argv[])
{
	int count = 0;

	cout << "Alert.exe invoked." << argc << " Arguments placed\r\n";
	cout << "The following arguments were used:\n";

		//cout << "\t" <<	argv[0] << "\n";
	for (int nArg=0; nArg < argc; nArg++)
        cout << "\t" << nArg << "\t" << argv[nArg] << endl;

	cout <<"\nPress any key to continue...";
	cin >> count;

	return 0;
}

stripped all the information passing stuff

[Staneh]

I'm trying to make a loadmap, but it isn't working, the position is working, but the texture isn't, and I could use some help, do you guys see any flaws?

[cpp] public void loadMap()
{
if (File.Exists("map.txt"))
{
Console.WriteLine("File Exists, going on!");
TextReader reader = new StreamReader("map.txt");
Console.WriteLine("Reader made, going on!");
String count = reader.ReadLine();
int countN = Convert.ToInt32(count);
Console.WriteLine("Read the count, going on!");

for (int i = 0; i < countN; i++)
{
Console.WriteLine("STARTED FORLOOP");
String textureName = reader.ReadLine();
String texturePosX = reader.ReadLine();
String texturePosY = reader.ReadLine();
int texturePosXN = Convert.ToInt32(texturePosX);
int texturePosYN = Convert.ToInt32(texturePosY);
Console.WriteLine("READ INFORMATION" + textureName);

Texture2D textureUsing = groundT;

if (textureName == "GROUND1")
{
textureUsing = ground2T;
}
if (textureName == "GROUND2")
{
textureUsing = groundT;
}
if (textureName == "GROUND3")
{
textureUsing = ground3T;
}
if (textureName == "GRASS1")
{
RogueTexture newTile = new RogueTexture(grassT, new Vector2(texturePosXN, texturePosYN));
mapTiles.Add(newTile);
}
if (textureName == "GRASSFLOWER1")
{
textureUsing = grassFlowerT;
}
if (textureName == "SAND1")
{
textureUsing = sandT;
}
if (textureName == "TREE1")
{
textureUsing = treeT;
}
if (textureName == "WALLBOTTOM1")
{
textureUsing = wallBottomT;
}
if (textureName == "WALLTOP1")
{
textureUsing = wallTopT;
}

Console.WriteLine("TEXTURE IS " + textureUsing.Name);

Console.WriteLine("CREATED TILE.");
}

reader.Close();
}
else
{
TextWriter writer = new StreamWriter("map.txt");

writer.Close();
}
}[/cpp]

[marcin1337]

Can someone give me pointers( not NULL ) on how to improve my GUI a bit ?
[img]http://dl.dropbox.com/u/408914/Debug/facepunch.JPG[/img]

[mrtilepy]

[QUOTE=Staneh;34894005]I'm trying to make a loadmap, but it isn't working, the position is working, but the texture isn't, and I could use some help, do you guys see any flaws?

-code-[/QUOTE]

I could be wrong but should line 22 read:

[csharp]
Texture2D textureUsing = new Texture2D(groundT);
[/csharp]

[dajoh]

[QUOTE=James xX;34893960]I'm creating my own url protocol in c++ ( "http://" , "svn://" , those types of things ). Except when i get an argument , it only returns the first letter of the argument. Could anyone help?[/QUOTE]

Sounds like it's in UTF-16 (wchars).

[Jimmylaw]

Does anyone have an experience with C++ directx and shaders? Need some help generally implementing them.

[Richy13]

A few days back I asked about a C# function running slow with SFML.
Well i ran a benchmark to test it out and this is the output, copied from my post on the SFML forum:

[QUOTE]Just made a benchmark to test it out.

The C# code is:

public static void Main (string[] args)
		{
			RenderWindow window = new RenderWindow(new SFML.Window.VideoMode(800,600), "SFML TEST");
			Sprite spr = new Sprite(new Texture("img.png") );
			int startTime = 0;
			int delta = 0;
				int i = 111; //have an int to turn it into a string as the delta would be
			for(int a = 0; a < 10; a++)
			{
				startTime = Environment.TickCount;
				window.SetActive();

                window.Clear(SFML.Graphics.Color.White);
			    
				window.Draw(spr);
				window.Draw(new SFML.Graphics.Text( i + " ms", SFML.Graphics.Font.DefaultFont, 12));
                // Finally, display the rendered frame on screen
                window.Display();
				delta += (Environment.TickCount - startTime);
			}
			
			window.Close();
			Console.WriteLine("Average in 10 runs is: " + (delta/10.0f) );
			//Average output is around 79-80
		}

With an average frame taking 79 to 80 ms to clear, draw an 800x600 image, draw the time & display it.

And C++ takes around the same to do the same... (well around 76 ms) So I guess my program is just because of the vertex array then.
Oh well Im ok with that I guess :)
On any decent computer it should run pretty fast.

The C++ code btw is:

#include <SFML/Graphics.hpp>
#include <iostream>
#include <sstream>

int main()
{
    sf::Clock clock;
    sf::Int32 delta = 0;
    sf::RenderWindow App;

    App.Create( sf::VideoMode(800,600,32), "Window");
    sf::Sprite spr;
    sf::Texture tex;
    tex.LoadFromFile("img.png");
    spr.SetTexture(tex);


    for(int i = 0; i < 10; i++)
    {
        clock.Restart().AsMilliseconds();

        App.SetActive();

        App.Clear(sf::Color::Black);

        App.Draw(spr);

        std::stringstream ss;
        ss << delta << " ms" << std::endl;
        sf::Text text( ss.str() );
        App.Draw(text);

        App.Display();
        delta += clock.Restart().AsMilliseconds();
    }
    std::cout << (delta/10.0f) << std::endl;
}

And the image I used is: [url]http://i.imgur.com/UW5pm.jpg[/url][/QUOTE]

So turns out it is just my craptop drivers and not Mono its self

[Staneh]

[QUOTE=MrTilepy;34896579]I could be wrong but should line 22 read:

[csharp]
Texture2D textureUsing = new Texture2D(groundT);
[/csharp][/QUOTE]

No, I am not making a new texture, I am using an already loaded texture.

[ief014]

[QUOTE=marcin1337;34896068]Can someone give me pointers( not NULL ) on how to improve my GUI a bit ?
[IMG]http://dl.dropbox.com/u/408914/Debug/facepunch.JPG[/IMG][/QUOTE]

Selection box is a little dark.
The grey rows could also be a little lighter
The column headers could use some colour, perhaps a lightish blue?

[superbird]

Just started C and I am trying to output a txt file counting numbers downward. I am not sure where I concatenate an \n and whether or not itoa is the right way to go about doing this?

#include <stdio.h>
#include <stdlib.h>

int main()
{
   FILE *lol = fopen("c:\\test.txt", "w");
   if (lol)
   {
      int i = 1;
      for(;i<999;i++)
      {
         char buffer[5];
         size_t len = 0;
         itoa(i, buffer, 10);
         len = strlen(buffer);
         fwrite(buffer, len, 1, lol);
      }
      fclose(lol);
   }
}

Also a bit confused with the buffer.

[Wyzard]

You probably want to use fprintf() instead of fwrite(). That's meant for text output, and uses a format string, so you can do

fprintf(lol, "%s\n", buffer);

You could even skip the itoa() call and do

fprintf(lol, "%d\n", i);

fwrite() is meant for writing to binary files, where you just want to output raw bytes without any formatting.

That buffer, btw, is just a temporary string used to hold the characters that itoa() produces.

[superbird]

Thanks for the info but I had originally tried fprintf, but the output crashes on run?

EDIT: With skipping itoa, is that because "lol" isn't specified?

EDIT2:
Got it working!

#include <stdio.h>

int main()
{
   FILE *lol = fopen("c:\\test.txt", "w");
   if (lol)
   {
      int i = 1;
      for(;i<999;i++)
      {
         fprintf(lol, "%d\n", i);
      }
      fclose(lol);
   }
}

Thanks again!

[Wyzard]

Oops, yes, that should've been lol, not buffer, in the first argument to the second fprintf(). Fixed.

Now that you're using printf's "%d" to format the integer directly, you don't need that buffer variable at all.