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chriswadams
Joined: Tue Dec 01, 2009 12:54 am
Posts: 26
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 Posted: Sun Jul 11, 2010 10:44 pm Post subject: Coding Academy - Project 4 Question |
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Well, I'm back again with another strange error message ...
I'm working on Project 4 of the Coding Academy (the 'Fish Feast' game), and I'm having a problem with SDL. It refuses to display the 'background.jpg' file in the window. In fact, every time I run the program, it simply crashes with this message:
| Quote: | Unhandled Exception: SdlDotNet.Core.SdlException: Couldn't open media/background.jpg
at SdlDotNet.Graphics.Surface..ctor (System.String file) [0x00000]
at fishfeast.MainClass.Main (System.String[] args) [0x00014] in /home/chris/Projects/fishfeast/fishfeast/Main.cs:20
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I followed Paul's suggestion to copy the files to the "fishfeast/fishfeast/bin/debug" folder, but I still get the error message. I have changed the program's 'Output Path' to "fishfeast/fishfeast" as Paul instructed (and setup a 'media' file there with the 'background.jpg' and 'logo.png' files) to no avail. I have double checked the list of dependencies (on p.32 of the Coding Academy) to be sure I have them all installed, and I have even installed the dependencies listed at the "SDL.NET" site ( http://cs-sdl.sourceforge.net/index.php/The_absolute_newbies_guide_to_SDL.NET ) to make sure I have those available. I still get the error message.
One other thing I have noticed is that when I tried to add the following command:
| Code: | sfcMain.Fill(Color.DarkBlue);
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I simply got a black window. No other colors would work.
Any advice would be greatly appreciated.
chriswadams |
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Ram
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Joined: Thu Apr 07, 2005 10:44 pm
Posts: 1547
Location: Guisborough
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| Posted: Sun Jul 11, 2010 11:02 pm Post subject: |
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Are you using the supplied DVD or running Mono from a 64 bit OS ?
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chriswadams
Joined: Tue Dec 01, 2009 12:54 am
Posts: 26
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| Posted: Mon Jul 12, 2010 11:24 pm Post subject: |
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Ram --
I'm using 32-bit Ubuntu 10.04.
Incidentally, I tried booting from the included DVD in Live mode, and running the edition of Fish Feast from the DVD, and all I got was a blank, black window. Nothing else.
Also, the SDL site has a list of recommended dependencies, and I made sure they were all installed on my computer. They all installed fine except one, called "libsdl1.2debian-all" . That one insisted on uninstalling my ubuntu-desktop package (of all things), so I skipped it. I hope that isn't the one dependency I really, really need!
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Ram
LXF regular
Joined: Thu Apr 07, 2005 10:44 pm
Posts: 1547
Location: Guisborough
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| Posted: Tue Jul 13, 2010 9:25 am Post subject: |
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I don't have libsdl1.2debian-all installed but I do have libsdl1.2debian installed.
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kdamica
Joined: Fri Sep 03, 2010 11:38 pm
Posts: 2
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| Posted: Fri Sep 03, 2010 11:39 pm Post subject: |
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I'm having the same problem. Here's the error I get:
Module loaded: Fishfeast, Version=1.0.3898.33352, Culture=neutral, PublicKeyToken=null.
Module loaded: SdlDotNet, Version=6.1.0.0, Culture=neutral, PublicKeyToken=26ad4f7e10c61408.
Module loaded: System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a.
Module loaded: Tao.Sdl, Version=1.2.13.0, Culture=neutral, PublicKeyToken=9c7a200e36c0094e.
Fontconfig warning: "/etc/fonts/conf.d/51-local.conf", line 587: saw number, expected matrix
Stacktrace:
at (wrapper managed-to-native) Tao.Sdl.Sdl.SDL_MapRGBA (intptr,byte,byte,byte,byte) <0x00090>
at (wrapper managed-to-native) Tao.Sdl.Sdl.SDL_MapRGBA (intptr,byte,byte,byte,byte) <0xffffffff>
at SdlDotNet.Graphics.Surface.GetColorValue (System.Drawing.Color) <0x0016f>
at SdlDotNet.Graphics.Surface.Fill (System.Drawing.Rectangle,System.Drawing.Color) <0x0011b>
at SdlDotNet.Graphics.Surface.Fill (System.Drawing.Color) <0x001c3>
at Fishfeast.MainClass.Main (string[]) [0x00014] in /home/kenny/Projects/Fishfeast/Fishfeast/Main.cs:17
at (wrapper runtime-invoke) Fishfeast.MainClass.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>
Native stacktrace:
/usr/bin/mono() [0x47b77f]
/usr/bin/mono() [0x4aef3f]
/lib/libpthread.so.0(+0xf8f0) [0x7feea8b8b8f0]
/usr/lib/libSDL-1.2.so.0(SDL_MapRGBA+0) [0x7feea6f36320]
[0x40025b30]
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
================================================================= |
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Ram
LXF regular
Joined: Thu Apr 07, 2005 10:44 pm
Posts: 1547
Location: Guisborough
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| Posted: Sat Sep 04, 2010 12:54 am Post subject: |
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Need to see your code
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kdamica
Joined: Fri Sep 03, 2010 11:38 pm
Posts: 2
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| Posted: Sat Sep 04, 2010 5:53 am Post subject: |
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Code is the same as in the lesson. Works if I comment out the fill color line.
| Code: | using SdlDotNet.Core;
using SdlDotNet.Graphics;
using SdlDotNet.Input;
using System;
using System.Collections.Generic;
using System.Drawing;
namespace Fishfeast
{
class MainClass
{
static Surface sfcMain;
public static void Main (string[] args)
{
sfcMain = Video.SetVideoMode(1024,768);
sfcMain.Fill(Color.DarkBlue);
Events.Quit += new EventHandler<QuitEventArgs>(Events_Quit);
Events.Run();
}
static void Events_Quit(object sender, QuitEventArgs e){
Events.QuitApplication();
}
}
}
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amos
Joined: Sun Jul 17, 2005 2:44 pm
Posts: 5
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| Posted: Mon Nov 29, 2010 3:05 pm Post subject: |
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I'm having exactly the same problem on Debian amd64. Has anyone come up with a solution or a work around?
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May the wind at your back never be your own! |
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Ram
LXF regular
Joined: Thu Apr 07, 2005 10:44 pm
Posts: 1547
Location: Guisborough
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| Posted: Tue Nov 30, 2010 1:11 am Post subject: |
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| amos wrote: | | I'm having exactly the same problem on Debian amd64. Has anyone come up with a solution or a work around? |
As far as I know there's a bug in SDL when running 64 bit OS which causes a blank/black screen. No idea if it's been resolved or not.
All the SDL stuff from the academy I did, I ended up doing on 32 bit Ubuntu.
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euphogeeza
Joined: Fri Nov 16, 2007 5:37 pm
Posts: 2
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| Posted: Thu Dec 23, 2010 2:14 pm Post subject: SDL Not working on x86_64 :-( |
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I thought I must be doing something wrong. I checked, double checked, deleted and re-wrote code. Aaghh! 
I'm running OpenSUSE 11.2 Emerald 2.6.31.14-0.4-desktop SMP PREEMPT x86_64.
Does anyone know if there is a fix for 64 bit O/S? |
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