Questions tagged [exceptions]

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DivideByZeroException is only thrown in Mono builds, not in IL2CPP. Why?

I'm working on exception handling and I usually test it with causing a DivideByZeroException. But this time it's not thrown. (While throwing a ...
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-1 votes
1 answer
36 views

Unity Update() Function causing a NullReferenceException that isn't there if I manually call the function

I have a pretty "basic" combat class here. It has a Player and an Enemy. They are inherrited from a Character class and have values such as health, armor and ar (attack rating (damage)). I ...
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1 answer
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How to fix exception:Resource not found: testdata/alphamap.png?

I keep getting this exception:Resource not found: testdata/alphamap.png when trying to use Slick in my program. How can I resolve this error?
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Do gaming consoles come with built-in crash reporting system for the developers?

I'm working at a game industry and my company's planning on releasing some games for consoles (PS, Nintendo Switch). I'm wondering if we should integrate some kind of custom crash reporting system ...
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3 votes
0 answers
223 views

How to validate an Exception occurred as expected in a Unity Test?

I am trying to write unit tests in Unity that assert that logs, errors, and exceptions are raised as expected in my code, but I'm getting inconsistent results. I'm using ...
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19 votes
5 answers
6k views

When to carry on with a buggy game state versus terminate the process?

Imagine a situation where a level/game designer has missed assigning a prefab in one of the game objects' inspector configurations. (I am coming from Unity, but what I basically mean a reference to ...
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1 answer
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In Unity, how do I add a MeshFilter to an empty GameObject to generate a procedural model?

My code below is modeled after Unity's documentation. When I put the script into an empty GameObject, the error I get is: MissingComponentException: There is no 'MeshFilter' attached to the "myMesh" ...
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1 answer
760 views

Heir Class Constructor Throws CS7036 "No Argument Given" Exception [closed]

I'm trying to create a class that holds the data for an an attack, called Attack. I also have special attacks that have more properties, and so I wanted to create a ...
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1 answer
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LibGDX “EXCEPTION_ACCESS_VIOLATION” error when recreating previously disposed Box2DLights light

I just installed the Box2DLights dependency for LibGDX and I added a cave with 2 ConeLights inside. The first time I render the cave, everything works as expected. Then when I exit the cave, I make ...
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1 vote
1 answer
112 views

how to detect Unity UNET errors?

I'm working on a simple multiplayer online game. and I use UNET and Networkmanager. In my game I have some rooms and players ...
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  • 175
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1 answer
2k views

Jagged array - check if array index is out of range

Hey I am a bit confused about how to properly check a Jagged array for "index out of range exceptions" Im quite sure im somehow supposed to use the .Length of the array but it confuses me to read ...
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1 answer
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Unity: Failed to build APK. See console for details

i am getting this error whenever i am trying to build a project. i looked at so many solutions but this one just doesn't go away. This is the error: ...
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1 answer
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Look rotation viewing vector is zero in Unity when making UI

How can I tackle the problem: Look rotation viewing vector is zero? Here is how I get it: I add an Image from UI. When the Image is added I click on it in the ...
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1 vote
0 answers
203 views

How should I handle exceptions in libGDX?

I want to keep my game running as much as possible for the user, obviously. They would be dissapointed if the game suddenly quits without leaving any notice behind, and it would be difficult for them ...
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14 votes
3 answers
8k views

NullReferenceException in Unity

Since many users are facing the NullReferenceException: Object reference not set to an instance of an object error in Unity, I thought that it would be a good idea ...
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2 answers
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Why does Unity allow me to use GameObjects created from non-existent prefabs?

I have code similar to the following in a Unity project. I was trying to shoot a projectile when spacebar was hit, but a projectile wasn't appearing. I found out the problem was caused because I moved ...
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2 votes
1 answer
1k views

Libgdx problem while converting TextureRegion to Pixmap

I'm developping a Tile base game where I have to generate transition tiles. To do so, I have a method that generate those tiles from 2 existing one and 1 "filter tile". I use this method to make a ...
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1 vote
2 answers
2k views

Why does my MonoGame mesh throw an unhandled exception when trying to draw?

I am using the '3D Models' chapter of Learning XNA 4.0 to further understand 3D implementation in XNA, but I am running into an unhandled exception, when I try to draw each mesh. Here is my basic Draw(...
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1 vote
1 answer
591 views

glGenArrays - This functionality is not available

Whenever I call glGenVertexArrays(), I get the following exception: Exception in thread "main" java.lang.IllegalStateException: This functionality is not ...
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2 votes
0 answers
1k views

How Industy games handle their code errors and exceptions [closed]

I've seen games crash and throw errors. Usually games don't throw raw exception message, but codename error names, such as F204 or similar. I would like to know some thought about that. Also, as i ...
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1 vote
1 answer
227 views

Life Counter in Greenfoot caught "Incompatible Types" exception

I need to make a life counter so that when my Actor get hit by an Enemy, his life will be decreased by 1. I put this method in my Actor class: ...
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1 vote
1 answer
261 views

MonoGame InstancePlayLimitException on Windows w/ OpenGL

Why am I getting the InstancePlayLimitException when playing several SoundEffects per second despite there being no limit unless programming for mobile? It occurs after only a few seconds of repeated ...
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0 votes
1 answer
183 views

System.StackOverflowException error [closed]

Hi all! I have a one problem. I trying to create 2D cave generation system in C# with XNA game studio, but then I running program I getting "System.StackOverflowException". As you can see in this ...
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0 votes
1 answer
71 views

How to handle runtime exceptions that occur on a loading process delegated to newly spawned thread

I am looking to multi-thread the resource allocation routines (i.e world loading) in my game so that they can occur in the background whilst rendering a loading screen etc... The problem is, I used to ...
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  • 135
1 vote
1 answer
2k views

InvalidOperationException when using C# DLLs with Unity3D

Description I've been attempting to use a custom DLL in Unity. I've confirmed the DLL runs correctly outside Unity. The DLL imports into Unity and when I refer to it in my scripts, I get no compiler ...
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13 votes
2 answers
1k views

How should I handle missing resources?

Your game expects a certain asset to be loaded, but it isn't found. How should the situation be handled? For example: ...
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-1 votes
2 answers
140 views

Java hashmap access without exception [closed]

I'm using a hashmap as an infinite map for a tile based game. I'm trying to access all values in a hashmap from another thread and changing the content at the same time. But I'm getting a java.util....
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2 votes
1 answer
2k views

Monogame crashes without any change

I've written a game in MonoGame, which works great on my desktop computer. It's running Windows 8, has a good graphics card and can be assumed to be up to date with everything. However, when I run on ...
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  • 123
2 votes
2 answers
1k views

Why do my update and draw loops throw a concurrent access exception?

I've taken up the challenge of creating a basic 2D side-scrolling monster truck game for my little brother. It seems easy enough in theory, but jumping into Java out of XNA feels strange. My game ...
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0 votes
2 answers
799 views

XNA texture GetData exception

When using this code: ...
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1 vote
2 answers
740 views

Using crittercism with Unity

I want to use crittercism with my Unity project. In Unity I am developing a game for iOS and Android platform. I did enough Google searching to come to the conclusion that Unity doesn't support this ...
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  • 111
31 votes
3 answers
9k views

Try-catch or ifs for error handling in C++

Are exceptions used widely in game engine design or it is more preferable using pure if statements? For example with exceptions: ...
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