Questions tagged [component-based]
Component-based designs rely on separating the multiple logical attributes of business objects and game objects into small components dedicated only to specific tasks. Whereas game objects are usually modeled to reproduce the attributes and behavior of "real world" objects by aggregating them together and allowing specialized objects to inherit from general ones, component based design relies on composition rather than inheritance.
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Component communication in Component-based design
In my turn-based game, I have decided to make a separate layer of non-visual objects (everything is precalculated in my game and all of the visual effects are pushed to the animation queue).
these non-...
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Would it be practical if I used composition for everything?
I've been learning C++ and SDL2 and I'm trying to improve at using composition and for the longest time I thought it was only useful for making things like players, enemies, coins, etc, and I think ...
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Interactable actors should be implemented via components or inheritances?
I am new to game development and I am learning Unreal Engine right now.
When a player character APlayer wants to interact with other actors (such as ...
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How do different compositions/types of entities interact in an ECS-system?
I have a working ECS-system set up, largely inspired by this brilliant article (not at all required reading to be able to answer my question) on https://indiegamedev.net/ showcasing an ECS-system with ...
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What should be an entity/component, and what shouldn't?
I've recently been reading the book Game Programming Patterns by Bob Nystrom, and one chapter I've found a bit hard to grip is the chapter about the Component pattern.
In the example he uses (which ...
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Component-based ability system for turn-based rpg
I am trying to make a component-based ability system for my new turn based game that I am working on. I not sure with the architecture and the approach I am following.
So here my idea:
Every Ability ...
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How to draw the player standing behind a tree in an Entity Component System?
I'm making a top-down Javascript canvas game using the Entity Component System architecture.
For an entity to be drawn on the screen every frame, it needs a ...
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Cannot decide between using a MessageBus and entities for events in my ECS game
For example, let's say that the player walks into an enemy and in response, a chain of events should occur (such as: his score goes up, the enemy dies, a cinematic starts, etc.)
I see two "proper&...
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Entity Component System: Dependency Between Systems
Inspired by the Entity Component System Architecture, I started to refactor my 2D tiled-based game to follow the rule "favor composition over inheritance".
However, after writing the ...
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Component Based Spells/Abilities
This has been a bit of a long time coming challenge for me, if you look back at previous questions for Component based spells you are likely to find my old questions, given that they are 1 + 2 years ...
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How would I go about creating dynamic weapons using EC architecture?
I currently have a weapon component that contains common functionality across weapons (mainly guns).
...
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Should fields in components in an ECS use polymorphism?
I've just started to try and learn how to use ECS (Entity component systems), but I'm having trouble understanding the concepts behind components.
Should adding more types of components, or trying to ...
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Unity get component throwing NullReferenceException only in standalone build
I'm having a very frustrating issue with GetComponent().
...
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Dealing with more complex entities in an ECS architecture
Preamble: I'm working on a level editor for my engine, which uses an ECS architecture. I have around a dozen component types so far, mostly dealing with graphics, like lighting components, model, and ...
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Should components in Entity Component System pattern have logic?
Is often read that in entity component system pattern we should treat components just as a passive data structure with no logic at all, this way we follow to a data oriented design approach with ...
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How do you make sure that a component can be applied to very different entities?
I've been reading about the SOLID principle and component-based game development. Lots of these posts explain it but don't really give examples on it.
For example, in a hypothetical RPG game, say ...
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How to react properly to component field changes?
Let's say, that we have the following components:
Direction, which contains direction the object moves:
...
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Appropriate Cache Friendly Associative Container For An Entity Component System
The intro to this problem is a bit of a long one so my apologies in advance. In short I am asking for suggestion as to what type of collection I should use to store data for a particular part of my ...
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How to handle component-based objects in a game loop?
I've been writing my own game engine and I was wondering the correct way to handle my game objects. Each game object is different. The only thing they have in common is a set of operations to handle ...
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Should a system be able to render things? (ECS)
I'm currently building an entity component system and I just have one question... Should a system be allowed to render things to the screen?
For example, should I make a SpriteComponent that contains ...
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Where is 'game logic' implemented in component based design?
I have been trying to get my head around using an entity component system for a game. But I am struggling to understand how I should do 'game-logic'.
What I have so far:
Components are essentially ...
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How to determine the values of parameters controlling the game objects? [closed]
I am a C# developer and now trying to change to my dream field: Game Development.
I am new to Game Development and currently self learning Unity3D.
To me Unity is component based tools and we can ...
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Communication in an entity-component through public variables or public member functions [closed]
I am currently coding my own ECS to get a deeper understanding of how such an engine works. I am currently putting together systems. I am aware that there is no right answer to my question as there ...
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Component based architecture in TypeScript
I'm doing a game using Phaser with TypeScript. I want to implement a component based architecture for Actors.
What I'm trying to achieve is this:
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Changing the current state of an entity in the middle of an update step or wait for the end?
Let's say that I use a behaviour component that holds a function call to be called every update step assigned to an entity. Inside that function call I'm changing the active state for the entity to ...
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