Tagged Questions
2
votes
1answer
138 views
Different kinds of movement in component based entity system
I am writing a pong clone with a component based entity system.
But I am having trouble with the different kinds of movement in the game.
The problem is the following: My paddles will just move up ...
1
vote
1answer
170 views
Tilemap collision in component based entity system
I am trying to set up a collision system for a tilemap in my component based entity system, but having trouble with figuring out how to do so.
Currently I have the following approach:
My tilemap ...
1
vote
0answers
43 views
User interaction and Component based architecture [duplicate]
I'm working at my first game and I've decided to build a simple component based engine.
I found really useful to work in that way but I still miss some fundamentals probably.
Let say that I have a ...
4
votes
2answers
365 views
Component based game engine and dependencies - singletons [closed]
I am thinking about how to create component based game engine.
I understand that all things should be very similar as in Data Oriented Design (each object is a collection of various structures as ...
4
votes
2answers
277 views
Game state management: the buck doesn't stop “here” soon enough
I realize there are already many Q&As on this site about GameState/GameScreen management, state machines, state stacks, etc. This question is meant as a follow-up:
Suppose hypothetically I ...
1
vote
1answer
173 views
Server architecture software side
I'm making a game some like Terraria. I have a couple of prototypes, but most of them use a "entity-component-system"(ESC) and some custom terrain implementation. Now I've reached the part where I ...
3
votes
2answers
683 views
Tips for Component Based Entity System message handling
I'm trying to implement a component-based entity system but am a bit confused on how I should handle the messaging. There are two problems I'd like to resolve so I can test the system. Below is the ...
2
votes
2answers
391 views
In an Entity-Component System, how to represent the world/level/gameboard?
I am trying to learn more about Entity-Component Systems, and something that kinda stuck out at me was the question of how to represent the world in such a system? More specifically, I'm trying to do ...
2
votes
3answers
341 views
Component / Entity-based design => no inheritance at all?
[I understand that this this could be seen as a rather theoretical question, but I think it has real-application impact].
"Academic" base
With a component-based design one wants to get rid of the ...
5
votes
4answers
677 views
Retrieving components from game objects (entities)
Using C# and XNA 4, I've made the decision to go for an entity-component based design for my game after reading such posts as this and this, but I'm now struggling to find how to retrieve components ...
2
votes
3answers
495 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 ...
5
votes
1answer
338 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
310 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 ...
3
votes
1answer
261 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 ...
8
votes
4answers
490 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 ...
5
votes
1answer
201 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 ...
3
votes
2answers
303 views
Adding sub-entities to existing entities. Should it be done in the Entity and Component classes?
I'm in a situation where a player can be given the control of small parts of an entity (i.e. Left missile battery). Therefore I started implementing sub entities as follow.
Entities are Objects with ...
10
votes
3answers
710 views
The reasons behind Unity3D engine design (game object/transform component)
I'm trying to understand the reasoning behind Unity3D engine design and this is something I can't get my head around yet: why is transform data stored in a separate component, instead of being a part ...
9
votes
3answers
1k views
Component-based design: handling objects interaction
I'm not sure how exactly objects do things to other objects in a component based design.
Say I have an Obj class. I do:
Obj obj;
obj.add(new Position());
obj.add(new Physics());
How could I then ...
1
vote
2answers
552 views
Is there any option other than Component Based for game architecture?
Having read a lot recently on Component Based systems (for games), i find it hard to go back to my earlier state of mind.
If static object hierarchies fail to model "objects with a dynamic set of ...
54
votes
1answer
6k views
Role of systems in entity systems architecture
I've been reading a lot about entity components and systems and have thought that the idea of an entity just being an ID is quite interesting.
However I don't know how this completely works with the ...
4
votes
2answers
2k views
How to structure game states in an entity/component-based system
I'm making a game designed with the entity-component paradigm that uses systems to communicate between components as explained here. I've reached the point in my development that I need to add game ...
2
votes
2answers
218 views
How can I store a set of concrete components and implement “GetComponent<T>()?”
I would like an abstract class, AbstractComponentAggregate, which has many AbstractComponents. Users of my framework will create their components by extending AbstractComponent and appending the ...
0
votes
1answer
1k views
GameObject and Components
I am creating a relatively simple game engine in C++ and Qt. I am using Irrlicht for graphics, and as of now, I will not be using any physics or audio libraries. For time's sake, I am using ...
4
votes
2answers
1k views
What are the disadvantages of using multiple inheritance to implement components?
I've been doing research on component-based game engines and would like to use that model for future game projects. From what I gather, objects in a component-based system are just collections of ...
0
votes
1answer
259 views
How far do I take Composition?
(Although I'm sure this is a common problem I really don't know what to search for. Composition is the only thing I could come up with.)
I've read over and over that multiple inheritance and ...
2
votes
1answer
308 views
Attributes and Behaviours in game object design
Recently I have read interesting slides about game object design written by Marcin Chady Theory and Practice of the Game Object Component Architecture. I have prototyped quick sample that utilize all ...
2
votes
1answer
1k views
In a component/entity system, what's the correct way to implement entity-specific components?
I'm trying to create a basic C/E game engine for Android, and I'm trying to re-create pong as a basic warm-up. I currently have a EntityManager class that contains a list of all the UUIDs for its ...
0
votes
5answers
2k views
Need opinions: is it worth making component based entity system? [closed]
I've been reading about component based entity-system for couple days now and I'm not quite sure if it is worth implementing in my next game. I haven't started making the game yet, but I have bunch of ...
7
votes
1answer
580 views
Processing component pools problem - Entity Subsystem
Architecture description
I'm creating (designing) an entity system and I ran into many problems. I'm trying to keep it Data-Oriented and efficient as much as possible. My components are POD ...
3
votes
3answers
481 views
State Changes in a Component Based Architecture [closed]
I'm currently working on a game and using the naive component based architecture thingie (Entities are a bag of components, entity.Update() calls Update on each updateable component),
while the ...
13
votes
6answers
3k views
Game Components, Game Managers and Object Properties
I'm trying to get my head around component based entity design.
My first step was to create various components that could be added to an object. For every component type i had a manager, which would ...
7
votes
1answer
747 views
Am I on the right track with this component architecture?
I've recently decided to revamp my game architecture to get rid of deep class hierarchies and replace them with configurable components. The first hierarchy I'm replacing is the Item hierarchy and I ...
3
votes
3answers
548 views
Why large builder classes rather than separate clases in component-based entity systems?
I was reading about component-based entity systems and I was wondering why there is usually a large EntityBuilder class with methods like CreatePlayer(), CreateEnemySpaceship(), and CreatePowerup(), ...
10
votes
5answers
2k views
How to properly handle collision in a component-based game?
Trying to wrap my head around the ways to properly handle collision in a game designed around components.
I see many examples have some sort of PhysicsComponent that gets added to the entity's list ...
1
vote
3answers
1k views
XNA Entity Component Design: Lost on how to include Sprite Animation
I've been reading about Entity Component design and thought it's pretty neat.
I've been trying to write a quick 2D engine in XNA.
I think I've laid the proper groundwork for registering and updating ...
12
votes
3answers
1k views
Appropriate level of granularity for component-based architecture
I'm working on a game with a component-based architecture. An Entity owns a set of Component instances, each of which has a set of Slot instances with which to store, send, and receive values. Factory ...
21
votes
5answers
1k views
Doing powerups in a component-based system
I'm just starting really getting my head around component based design. I don't know what the "right" way to do this is.
Here's the scenario. The player can equip a shield. The the shield is drawn ...
14
votes
2answers
3k views
How are physics or graphics components typically built in a component-oriented system?
I have spent the last 48 hours reading up on Object Component systems, and feel I am ready enough to start implementing it. I got the base Object and Component classes created, but now that I need to ...
7
votes
3answers
1k views
Role of an entity state in a component based system?
Component-based entity systems are all the rage these days; everyone seems to agree they are the way to go, but no one really has a definitive implementation of such a system. I was wondering, what ...
19
votes
6answers
3k views
What designs are there for a component based entity system that are user friendly but still flexible?
I've been interested in the component based entity system for a while, and read countless articles on it (The Insomiac games, the pretty standard Evolve Your Hierarchy, the T-Machine, Chronoclast ... ...
5
votes
4answers
899 views
MVC or Components, or both?
I'm an experienced developer but recently I've been wanting to get into game programming but as you know game development is an entirely different beast from most other forms of programming (perhaps ...
14
votes
4answers
2k views
How to implement behavior in a component-based game architecture?
I am starting to implement player and enemy AI in a game, but I am confused about how to best implement this in a component-based game architecture.
Say I have a following player character that can ...
5
votes
6answers
2k views
How to implement a component based system for items in a web game
Reading several other questions and answers on using a component based system to define items I want to use one for the items and spells in a web game written in PHP. I'm just stuck on the ...
9
votes
3answers
2k views
Creating Entity as an aggregation
I recently asked about how to separate entities from their behaviour and the main answer linked to this article: http://cowboyprogramming.com/2007/01/05/evolve-your-heirachy/
The ultimate concept ...
5
votes
1answer
2k views
Entity system in Lua, communication with C++ and level editor. Need advice
I have a 2D basic editor written in Qt, and I'm in the process of adding entities. I want the editor to be able to receive RTTI information from entities to change properties, create some logic being ...
11
votes
1answer
2k views
Register Game Object Components in Game Subsystems? (Component-based Game Object design)
I'm creating a component-based game object system. Some tips:
GameObject is simply a list of Components.
There are GameSubsystems. For example, rendering, physics etc. Each GameSubsystem contains ...
11
votes
4answers
2k views
How can I design an effective game object interaction scheme with a component-based architecture?
This is a design question... I'm sure this could be generalized more, but I'm having a hard time with it. I am wondering about design for game object interactions - here is my example (2D ...
18
votes
2answers
2k views
Component-Based System online resources
I've been considering moving to a more component-based approach in my games. Does anyone else have any decent reference material or sample implementations that would help make this transition a little ...
