Engine-design related questions. How code is structured.

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1answer
226 views

Game design and SoC

I've been working on a little game for the last few months, trying to approach it as a software engineer and employ best patterns and practices in my coding. I have gotten to the point where I have to ...
1
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3answers
107 views

DirectX Objects in a struct

I am playing around directx lately and I am learning from rasterek.com tutorials. He passes pointers to directx objects (like ID3D11Device, ID3D11DeviceContext etc.) for almost every class he creates. ...
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1answer
538 views

Real-Time-Strategy control structures/achitecture [closed]

I am looking at building a real time strategy game (of at least the framework for one) in Unity, and was wondering what control structures and/or architecture I should focus on using. current ...
12
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2answers
3k views

Implementing a camera / viewport to a 2D game

What is the most practical way to implement camera/viewport to a 2D-game? I've read, that I should store the object world position instead of position relative to the screen? Current situation: I ...
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2answers
208 views

What can go wrong with this technique/game architecture? [closed]

So this is something kind of new, as I've never saw anywhere, but maybe already exists: The game is divided in 3 pieces: the actual game logic (game), the visual part (view) and something that link ...
4
votes
2answers
648 views

Why is keeping a constant FPS harder than keeping high FPS?

I've noticed this ever since I started playing games, and now see it in my own experiments. If I don't do any capping my game runs at 200~250 FPS, with random drops to 150FPS, but if I cap the FPS to ...
4
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2answers
784 views

Where to generate data in an Entity-Component System?

So I'm making a small game where I generate 2D landscape using perlin noise when the game first loads. I've got it working in a OO way, but want to move over to an ES architecure, and I'm just ...
0
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1answer
364 views

Behavior Trees and Animations

I have started working on the AI for a game, but am confused how I should handle animations. I will be using a Behavior Tree for AI behavior and Cocos2D for my game engine. Should my ...
2
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1answer
455 views

Abstract skill/talent system implementation

I've been making small 2D games for about 3 years now (XNA and more recently LWJGL/Slick2D). My latest idea would involve some form of "talent tree" system in a real time game. I've been wracking my ...
4
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1answer
480 views

XNA Moddable Game - Architecture Design and Reflection

I've decided to embark on an XNA moddable game project of a simple rogue style. For all purposes of this question, I'm going to not be using a scripting engine, but rather allow modders to directly ...
0
votes
1answer
118 views

Efficiency concerning thread granularity

Lately, I've been thinking of ways to use multithreading to improve the speed of different parts of a game engine. What confuses me is the appropriate granularity of threads, especially when dealing ...
2
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3answers
2k views

How do I code a 2D tile map? [closed]

I'm new to game development and I want to know how to create a tile map. The map should be divided into squares, such that each square represents a location like x : 10, y : 10. The width and height ...
1
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1answer
173 views

How should I organise classes for a space simulator?

I have pretty much taught myself everything I know about programming, so while I know how to teach myself (books, internet and reading API's), I'm finding that there hasn't been a whole lot in the way ...
2
votes
3answers
954 views

Question on the implementation of my Entity System

I am currently creating an Entity System, in C++, it is almost completed (I have all the code there, I just have to add a few things and test it). The only thing is, I can't figure out how to ...
3
votes
3answers
1k views

SceneManagers as systems in entity system or as a core class used by a system?

It seems entity systems are really popular here. Links posted by other users convinced me of the power of such system and I decided to try it. (Well, that and my original code getting messy) In my ...
2
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4answers
581 views

Is there an isometric 2d game that doesn't use tilemapping? [closed]

Is there an isometric 2d game that doesn't use tilemapping? I want to do this in tilemap but the client doesn't want to use it (since it's easier to design maps without using tiles). I've tried to ...
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1answer
2k views

The best way to structure/design game code [closed]

My question is quite broad and related to the 2D game code design/architecture/structure. Usually the main game consists of the main loop where you update & render your world states. However, ...
6
votes
1answer
530 views

Component based design, but components rely on each other

I've begun stabbing at a "Component Based" game system. Basically, each entity holds a list of components to update (and render) I inherit the "Component" class and break each game system into it. ...
8
votes
2answers
629 views

Many sources of movement in an entity system

I'm fairly new to the idea of entity systems, having read a bunch of stuff (most usefully, this great blog and this answer). Though I'm having a little trouble understanding how something as simple ...
15
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7answers
677 views

Do I need a Point and a Vector object? Or just using a Vector object to represent a Point is ok?

Structuring the components of an engine that I am developing along with a friend (learning purposes), I came to this doubt. Initially we had a Point constructor, like the following: var Point = ...
0
votes
3answers
156 views

Multiple objects listening for the same key press

I want to learn the best way to implement this: I have a hero and an enemy on the screen. Say the hero presses "k" to get out a knife, I want the enemy to react in a certain way. Now, if in my game ...
1
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3answers
238 views

When to unload graphics object from main memory?

I writing my resource mangaer, and I consider about how it can work for graphics objects (like textures, meshes). I think about this : I want to load texture (in pseudocode): Texture t = ...
2
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4answers
297 views

Getting into the details of game engine programming [closed]

I am interested in learning game programming, but I really have an interest in the lower level engineering in games. I have OpenGL experience, and I am really interested in learning more about ...
4
votes
3answers
261 views

Efficient Algorithm for Recording gameplay's objects positions

So, I have a game idea in mind, and for that I need to record the game around the player. I'me not talking about recording it as video, but rather recording the scene objects, and their positions ...
5
votes
1answer
271 views

How to track many in-game statistics

I am looking to track many in-game events, e.g. the score of each move, how many moves are taken, what types of moves, etc. A lot of stats can simply be tracked with a counter. In some cases I need to ...
1
vote
1answer
488 views

Is component-based design an architectural pattern or design pattern?

When using the component-based paradigm in game development with engines like Unity, is component-based design an architectural pattern, or a design pattern? Can I even say that component-based ...
1
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3answers
542 views

OOP implementation of BUFFS and Stats. Suggestion

I am developing an MMORPG server using NodeJS. I am not sure how to implement Buffs, i mean, equipped objects or used skills have effects on the Player() which has many Stats(), some of them have a ...
7
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3answers
810 views

Collision Detection Game Design and Architecture

I've reading some articles about collision detection. My question here is about ideas on the design for it. Baically I have a C++ game that has a main loop with entities with an update method. Based ...
11
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1answer
466 views

How can I cleanly and elegantly handle data and dependancies between classes

I'm working on 2d topdown game in SFML 2, and need to find an elegant way in which everything will work and fit together. Allow me to explain. I have a number of classes that inherit from an abstract ...
2
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1answer
132 views

How to manage my model

I have in my model, a list of Classes : Player, NonPlayerCharacter, Monster, Item, NonMovableItem etc With AndEngine I've a list of sprite for each piece of my model, How can I manage the ...
1
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1answer
231 views

How can I refactor my code to use fewer singletons?

I started a component based, networked game (so far only working on the server). I know why singletons can be bad, but I can't think of another way to implement the same thing. So far I have: A ...
0
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2answers
133 views

Where to implement storable items

I'm creating a multiplayer online trading game. The things that are traded range from raw items to complex products. For example Steel is a raw item. Mechanical Assembly is a more complex item that ...
3
votes
2answers
145 views

knowing all available entity types

I'm making a game where at some point the game will create enemies of random types. Each type of enemy available is defined on its own class derived from an enemy superclass. To do this, obviously the ...
3
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1answer
512 views

Should components have sub-components in a component-based system like Artemis?

I am designing a game using Artemis, although this is more of philosophical question about component-based design in general. Let's say I have non-primitive data which applies to a given component (a ...
1
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1answer
129 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 ...
8
votes
1answer
283 views

Architectural approaches to creating a game menu/shell overlay on PC/Linux?

I'm am working on a collection of games for a custom digital tabletop installation (similar to Microsoft Surface tables). Each game will be an individual executable that runs full-screen. In addition, ...
1
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2answers
1k views

References about Game Engine Architecture in AAA Games [closed]

Last weeks I focused on game engine architecture and learned a lot about different approaches like component based, data driven, and so on. I used them in test applications and understand their ...
2
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3answers
1k views

Snake Game Help

I am making a snake game and learning XNA at the same time. I have 3 classes : Game.cs, Snake.cs and Apple.cs My problem is more of a conceptual problem, I want to know which class is really ...
4
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2answers
2k views

Use a SQL Database for a Desktop Game

Developing a Game Engine I am planning a computer game and its engine. There will be a 3 dimensional world with first person view and it will be single player for now. The programming language is C++ ...
10
votes
4answers
871 views

How can I use multiple meshes per entity without breaking one component of a single type per entity?

We are just switching from a hierarchy based game engine to a component based game engine. My problem is that when I load a model which has has a hierarchy of meshes and the way I understand is that a ...
16
votes
6answers
1k views

Should Vector3 inherit from Vector2?

I'm creating a couple of classes Vector2 (X & Y) and Vector3 (X, Y & Z), but I don't know whether to make Vector3 inherit from Vector2, or whether to re-implement the member variables m_x and ...
4
votes
3answers
264 views

Debugging-Setting Consoles in Games

Right now I have the graphical and input portions of a console for my game (command parsing hasn't been implemented yet). I was wondering how you would go about making changes to properties in game ...
7
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4answers
2k views

Game Messaging System Design

I'm making a simple game, and have decided to try to implement a messaging system. The system basically looks like this: Entity generates message -> message is posted to global message queue -> ...
4
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1answer
275 views

Music Rhythm Game Difficulty Question

I have curious question about music rhythm based genre while I'm making a code for the game. Is it really better if I set a random pattern encountered on every music played or there is a specific ...
5
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1answer
268 views

Dynamic Components

I am attempting to design a component-based architecture that allows Components to be dynamically enabled and disabled, much like the system employed by Unity3D. For example, all Components are ...
6
votes
4answers
1k views

Pros and cons of using dlls

I wonder about create every game engine module (render, input, sound, etc...) into dlls (renderer.dll, input.dll, etc...). What are pros and cons in your opinion of divide game into set of dlls ? I ...
1
vote
2answers
209 views

Is 2 lines of push/pop code for each pre-draw-state too many?

I'm trying to simplify vector graphics management in XNA; currently by incorporating state preservation. 2X lines of push/pop code for X states feels like too many, and it just feels wrong to have 2 ...
15
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4answers
1k views

How does one save a procedural world?

I have recently read about how to create procedural worlds... but how do I save one? In games like Terraria or Minecraft users can freely modify the landscape, but that world can't be recreated from ...
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3answers
2k views

C++ Game Engine Book/Tutorial/Anything recent? [closed]

Before I get flamed, please understand that I have been looking for a while now. Yes, I have found a good amount of game engine tutorials...except filled with errors, out of date syntax, missing ...
6
votes
4answers
3k views

Entity System and rendering

Okey, what I know so far; The entity contains a component(data-storage) which holds information like; - Texture/sprite - Shader - etc And then I have a renderer system which draws all this. But ...