Values of qualitative or quantitative variables, belonging to a set of items.

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87
votes
12answers
9k views

What data-type should I use for in-game currency?

In a simple business simulation game (built in Java + Slick2D), should a player's current amount of money be stored as a float or an int, or something else? In my use-case, most transactions will use ...
32
votes
6answers
7k views

What is a good file format for saving game data? [closed]

I need to save some custom game data. Map, player, etc. All of them will have "sub objects". For example, a map and map will have an "array" of tiles. ie, hierarchical data. Hopefully nothing ...
22
votes
4answers
4k views

How can I protect my save data from casual hacking?

What options are there for saving game data in a secure manner? I'm interested in solutions specifically tailored for C++. I'm looking for something that is fast and easy to use. I'm only concerned ...
19
votes
6answers
6k views

Would it be better to use XML/JSON/Text or a database to store game content?

I'm considering how to implement a component-based game, as that seems to be the hot thing and I like the idea of such a flexible design. One of the features of such a design is that adding new ...
17
votes
6answers
4k views

Separating game data/logic from rendering

I'm writing a game using C++ and OpenGL 2.1. I was thinking how could I separate the data/logic from rendering. At the moment I use a base class 'Renderable' that gives a pure virtual method to ...
16
votes
4answers
5k views

How to choose how to store data?

Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime. - Chinese Proverb I could ask what kind of data storage I should use for my actual project, ...
13
votes
2answers
2k views

Does Steam provide persistent data storage to developers?

Does Steam provide persistent data storage (for custom data) to developers? For example, would an online shooter be able to store player statistics (kills, matches, player deaths, etc.) on Steam ...
12
votes
4answers
1k views

Hide game data from player?

I'm working on my first (C++) game, and I want to use a component based design. I've read a lot about this lately and yesterday I decided I wanted to store object data in external JSON files, to allow ...
12
votes
3answers
2k views

How to store a shmup level?

I am developing a 2D shmup (i.e. Aero Fighters) and I was wondering what are the various ways to store a level. Assuming that enemies are defined in their own xml file, how would you define when an ...
9
votes
1answer
260 views

Efficient solution for multiplayer space partioning?

This question is a little tricky, but I will try to make it clear. Lets say I am building an online game (not MMO-scale), but that supports as many players as possible, in a authoritative server ...
7
votes
4answers
907 views

How can I improve this enemy database implementation?

I'm developing an RPG and I'm at the point where I need to start building an enemy database. There's a couple challenges associated with this and a few solutions I've been considering. Here's what I ...
7
votes
3answers
8k views

How to handle a Block World like Minecraft

I want to write a simple game with a block world like in Minecraft. My theoretical question is what is the best way to handle this block informations during playing. My first Idea was a huge array but ...
7
votes
5answers
1k views

Do you fill all your game data in huge excel tables? Are there any better method?

I really want to know how many game designers prefer to work with a huge table for all items, another table for all skills, and even another table for all mobs in a MMORPG. And these tables may grow ...
6
votes
8answers
430 views

Is it useful to monitor framerate over the course of an arbitrary (but long) period of time?

How useful is it to keep a measurement of framerate over the course of long times (such as an hour) spanning multiple scenes/data environments? I've had plenty of times where data throttling/pushing ...
6
votes
4answers
893 views

Best practices for periodically saving game state to disk

I'm working on an MMO. All of the player and environment data lives on a server and is kept in memory. There's a "world" object which keeps track of all of the maps, characters, etc. and their ...
6
votes
3answers
741 views

Managing Voxel Data

I've been programming in C++ as a hobby for about 4 months now, and I've really loved creating stuff using voxels. I wrote a "game" (More of just a personal challenge, as I really only did the ...
6
votes
2answers
197 views

What to do with old data?

I have a game - virtual soccer manager. It is browser based game. It is split into 'seasons' each of them takes around a half of a real year. The central game element is a soccer match, each team ...
6
votes
1answer
389 views

What is the general strategy to pre-load game data(entities/map)

I'm new to games programming and am wondering what tactics games use to pre-load entity and map data. Will a game initialise with the fundamental map data stored in memory?
6
votes
1answer
754 views

For 2D tiled maps is all object and NPC data loaded into memory when the map is loaded?

I'm creating a text RPG in Java, but I think this applies for a GUI as well with regard to the data structure. Each Level is a tiled map. Each Tile object has an (X,Y) coordinate, and references to ...
5
votes
3answers
368 views

Deleting a game object causing an access violation

I tried doing this but it cause an access violation. void GameObjectFactory::Update() { for( std::list<GameObject*>::iterator it=gameObjectList.begin() ..... (*it)->Update(); ...
4
votes
5answers
502 views

XNA Required information to represent 2D Sprite graphically

I was thinking about dividing my game engine into 2 threads: render thread and update thread (I can't come up on how to divide update thread from physic thread at the moment). That said, I have to ...
4
votes
2answers
3k views

How do I store level-data in Android?

I'm building a game where enemies come in waves. I want to create a file where I can define data about the waves (# of enemies, spawn times, speeds, etc.). I come from a background in iOS and would ...
3
votes
1answer
534 views

How do I copy box2d data from one body to another?

I want to copy all Box2D-related data (position, velocity, rotation, impulse, ...) from one body to another. This is what I've got working (with box2djsweb): var t = body.GetTransform(); ...
3
votes
1answer
846 views

Entity property system

In lieu of a typical implementation of entity-component systems, I've gone the data-oriented route described by Jason Gregory in Game Engine Architecture. This works really well for common properties ...
3
votes
1answer
429 views

Settings object with singleton pattern

I need to build an object that will have only one instance because this Object is dedicated to the storage of vital settings for my application and I would like to avoid a misuse of this type or a ...
3
votes
2answers
2k views

2D Collision masks for handling slopes

I've been looking at the example at: http://create.msdn.com/en-US/education/catalog/tutorial/collision_2d_perpixel and am trying to figure out how to adjust the sprite once a collision has been ...
3
votes
2answers
2k views

Export Maya Animation Data

I have a pretty simple character rig animation. How can I export the raw data of that animation? I'm looking for some way to export a raw text array of data that tells exactly what every joint does ...
3
votes
2answers
251 views

Architecture for Versioned Save Data

We're working on an iOS game that we plan on having several content updates for. It's a story type game with lots of little flags when things have been accomplished and such. There is also an ...
2
votes
3answers
1k views

Is it efficient to use lua to store game data?

I'm new to lua and I'm wondering, is it efficient to use lua to store game data (such as monster's description, spells). My problem is, when I try to create a monster object every second, I have to ...
2
votes
2answers
441 views

Unlimited inventory system?

I am working on a small game, I need to add an unlimited inventory to the game but I am not sure how to do it. I have an inventory system with a specific amount of slots, here it is: <?xml ...
2
votes
2answers
212 views

How to manage Areas/Levels in an RPG?

I'm working on an RPG and I'm trying to figure out how to manage the different levels/areas in the game. Currently I create a new state (source file) for every area, defining its unique aspects. My ...
2
votes
2answers
1k views

Different ways to store a 2D map/landscape in XNA

I was looking around at this site about eight months ago and wish I saved the location of this topic but I was wondering the different map rendering styles that you can do in XNA. The one style I ...
2
votes
4answers
200 views

How can I avoid sending the full game state so often?

I'm making a real-time 2D MMORPG in Java. Currently data all surrounding NPCs' and players' data is sent so frequently that the client crashes—it can't handle the data quickly enough. I'm sending data ...
1
vote
1answer
139 views

Does compressing data before transfer make a game run faster?

I want to make my game as fast as possible as it is real time and fast paced. I have already decided to encrypt my data here and I was wondering whether compressing it would be faster for the client ...
1
vote
1answer
564 views

Saving Scores Using Cookies

I've recently created a small galiga like game recently using JavaScript and HTML5. I've run into a bit of trouble saving cookies, the cookie saves, but then resets itself when the page is refreshed, ...
1
vote
1answer
648 views

How to check metadata stored in FBX files?

Is there a way to check and edit metadata information stored in FBX files? I'm using 3ds Max's fbx exporter. Can this be done with it or is there any other tool for that? For example: adding name, ...
1
vote
1answer
71 views

Efficient way to store information about neighbour chunks

I've finally managed to implement an infinite chunk loading system for my voxel engine. Since every chunk needs to have information about the border of the neighbouring chunks, I need to access them ...
1
vote
2answers
313 views

In Android, is saving game data in a binary file a good approach?

I am nearly finished with my Android game, but I want to make sure my save format is good. I am working on a fairly large game, so data such as high scores, stars, etc. are stored for around 80 ...
1
vote
1answer
231 views

Data Locality and Polymorphism [closed]

I've been reading over the various chapters available at http://gameprogrammingpatterns.com, and in particular his chapter over Data Locality(http://gameprogrammingpatterns.com/data-locality.html) has ...
1
vote
1answer
235 views

HTML5 mobile game storing data

I am developing an mobile application (in HTML5) that will run on multiple platforms and will eventually have both single and multiplayer options. The current issue I have is the best method for ...
1
vote
1answer
133 views

How to model / where to store relational data between classes

I'm trying to figure out the best design here, and I can see multiple approaches, but none that seems "right." There are three relevant classes here: Base, TradingPost, and Resource. Each Base has a ...
1
vote
1answer
258 views

Should i be worried about loading so much data?

So a week ago or so i asked this question: A few queries about my Map Data (& ideas of improvement, seconded opinion required) And the advice in the comment was to ask them as 3 separate ...
1
vote
1answer
381 views

Best practice to implement persistent data when using Tiled TMX map files?

A friend of mine and I are always talking about our current progress in learning game development. Recently, saving the game (data persistence) came up, and when I summarized how I tackled that for my ...
1
vote
0answers
61 views

GameCenter and multiple user's data on same device [closed]

I was wondering. Is there any official guidance from Apple suggesting how to deal with multiple GameCenter users data on the same device? My current plan is to create one file for each user and a ...
1
vote
0answers
143 views

How can I convert between float3 and float2 in HLSL?

I want to offload some 3D calculations to the GPU without raising my requirements to DX10. Specifically, I am generating densities in 64x64x64 3D blocks, which fit nicely into 512x512 2D textures. I ...
1
vote
1answer
272 views

Tile Based Engine: Storing Tiles and Levels

I've worked with tile-based engines before (a few years ago when I was pretty green). Now that I know a bit more, I want to revisit tile-based engines but I want to approach it correctly. I want to ...
1
vote
0answers
320 views

How can I secure a high score table? [duplicate]

Possible Duplicate: How can I prevent cheating on global highscore tables? So, I create a game in Flash and I want to keep a hi-score table for people to compete in. After a player has ...
0
votes
2answers
86 views

most effective storage of logged information [closed]

I am currently implementing basic logging of information on my multiplayer game and I want to have the most effective method. To log when a player connects and disconnects to a the server it ...
0
votes
3answers
306 views

Is storing data via property lists in an iPhone application's documents directory secure?

Is storing game state in plists in an iPhone application’s documents directory a secure method? Meaning, does anything other than the application have access to that directory?
0
votes
1answer
41 views

What data to store along a vertex

Is there any other recommended data I should store in the vertex buffers aside from a vertex' coordinates, normals and texture coordinates? For example data I'd need for a feature that almost every ...