Tagged Questions
2
votes
3answers
213 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 ...
4
votes
1answer
188 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.
...
5
votes
2answers
180 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
137 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 ...
6
votes
3answers
321 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
150 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
173 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
497 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 ...
8
votes
3answers
481 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
415 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 ...
28
votes
1answer
3k 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 ...
3
votes
2answers
840 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
199 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
761 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 ...
3
votes
2answers
900 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
227 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
250 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
893 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
1k 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 ...
6
votes
1answer
502 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
427 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 ...
12
votes
6answers
2k 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 ...
6
votes
1answer
616 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
476 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
941 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 ...
11
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 ...
19
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
2k 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 ...
