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

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89
votes
12answers
10k 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 ...
33
votes
6answers
9k 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 ...
26
votes
5answers
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 ...
22
votes
7answers
7k 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 ...
18
votes
4answers
6k 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, ...
17
votes
6answers
5k 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 ...
15
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 ...
13
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 ...
10
votes
1answer
266 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 ...
8
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
4answers
944 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
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
432 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
1k 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
420 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(); ...
6
votes
1answer
177 views

How can I minimise data sent through a network in a modern FPS?

I am aware of snapshot interpolation with the use of delta compression as being a technique used to minimise the amount of data sent in a modern FPS game like Quake 3, but what other techniques are ...
6
votes
3answers
866 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
198 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
391 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
780 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 ...
4
votes
5answers
503 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
4k 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 ...
4
votes
1answer
473 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
4answers
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 ...
3
votes
1answer
621 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
936 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
2answers
3k 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
3k 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
253 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
2answers
478 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
232 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
231 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
166 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
748 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
881 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
77 views

C++ : Library for creating 3d view picture [closed]

I've got a numerical simulation, where I have as an output 3d matrix of billion elements - the visualisation of data is 2d flat image: When I was starting I was just outputting 2d data to gnuplot, ...
1
vote
1answer
197 views

Server/Client architecture

I have high experience In Java and Networking. Our team have built a effective server that can create thread-pools managing many players. But we have hit a brick-wall. The way our server works is that ...
1
vote
2answers
514 views

Saving/Loading PlayerPrefs only works in the editor

I'm creating a game which stores a few variables using PlayerPrefs. It saves and loads the PlayerPrefs perfectly fine while testing in the editor, however when I build it to WebGL or Unity Web Player, ...
1
vote
1answer
109 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
483 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
277 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
261 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
136 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
260 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
0answers
104 views

server/client architecture, how to combine physics data, scene graph and database over the network?

I'm writting a C++ server and a C++ client for a rpg game. The client is using OpenSceneGraph for rendering the 3D. RakNet is used for communication between the client and server. At this time, the ...
1
vote
2answers
561 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
64 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
164 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 ...