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I stuck in the problem that my entites are not showing. I found Entities graphic rendering sample for runtime it perfectly worked. But when i am integrating its code, there is no luck. Please tell me ...
Muhammad Faizan Khan's user avatar
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I have a number of entities running around in my game, and I am running into a headache trying to design and implement a system for them to both generate and assign the tasks. More than anything else, ...
Raven Dreamer's user avatar
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How do online games handle creation of new entities? I currently have an EntityFactory class that requires an ID (specifying the entity type). A bunch of subroutines are executed to determine exactly ...
Kaeru's user avatar
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Let's say we have three enemies, a bear trap, a fire trap, and a minotaur. When you walk over the bear trap, the game spawns an invisible entity that, upon the player colliding with it, slows the ...
Ryan Peschel's user avatar
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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&...
Ryan Peschel's user avatar
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I'm trying to determine all the items, crafting methods and recipes to put in my game, and the relationships between them. I need a tool that allows me to do this both top down (boat needs sails and ...
Teeracroptus's user avatar
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I am currently using A stars' pathfinding code here: https://arongranberg.com/astar/. So I didn't create any scripts, and used the scripts provided by astar. But the problem here is that even though ...
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I'm trying to get into Unity's Hybrid ECS feature. Creating and Manipulating Entities has worked fine so far for me, but somehow I can't find a viable option to delete Entities which works 100% of the ...
BloodEchelon's user avatar
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I've been using minecraft forge 1.12 to make a mod that gives the user super-jumping abilities. However, I've been having trouble making the player invincible to fall damage. I've tried to use a ...
Picachieu's user avatar
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I have a multiplayer cooperative game (PVE) in where there can be up to 200 enemies at a time (somewhere around that) and I was wondering how devs generally synchronize these? I already have packets ...
justanotherdev's user avatar
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I am in the early stages of creating a Java 2d platformer / sidescroller game where the Entity class requires (at this point) basic Rectangle bounds collision detection. In my code I check to see if ...
Ryan's user avatar
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Lately I've been looking into networking and sockets and made small test programs to get the basics down. So far I've made a TCP turn-based game from where I learnt a lot and helped me getting some ...
Dennis Björk's user avatar
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I see all the upside in entities registering automatically for basic components. If an entity has a Renderable component, it should be registered to a list that's used by a Renderable System. If an ...
Danny Yaroslavski's user avatar
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Say I have an entity that has these components: -Transformation -Visual Imagine that these components can nest: If I have a parent transformation component, a child transformation relies on the ...
Danny Yaroslavski's user avatar
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We have a server and a database in the cloud. We have a game where each player can grow a farm on a massive x,y grid. Each hour is a grow cycle. All players can harvest anyone's plants. Player A ...
scranley's user avatar
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When creating ECS based game engine, do you (or can I) create multiple rendering systems? Let's say I have an Entity class which is the basic unit in my engine, all it can do is add, remove and get ...
dovicz's user avatar
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I'm having hard time converting OOP game objects to Ashley ECS framework. I have a character, gun & a bullet class. The character uses the gun as weapon, the gun class has a fire method that ...
ronscript's user avatar
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In this below example, I've combined libgdx ashley and AI state machine. Do you think it's a good idea to handle the logic in state machine or stick on handling the data logic on System? ...
ronscript's user avatar
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I'm still thinking, how do I properly pool a bullet in libgdx ashley? Because the PooledEngine is available, which the Entities, ...
ronscript's user avatar
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I'm new to the Entity Component System pattern and there's something I cannot figure out. Let's say I have the following entity: ...
morcmarc's user avatar
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I'm familiar with the notion of entity-component-system architecture, and its advantages over traditional class trees. That being said, are there scenarios where one wouldn't want to use entity-...
JesseTG's user avatar
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I am currently trying to implement an (sort-of) Entity-Component-System. I've got the gist of it, that is, how an ECS is supposed to work. So far i have 4 classes in my design (not yet fully ...
tubberd's user avatar
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Whenever an entity is being added to an entity controller (which is essentially just a bag of entities), I scan through it's components to figure out if I need to register additional entity processors ...
artganify's user avatar
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I've hit a loss in creating a "game engine" in XNA, I'm extremely confused over how to approach collision in an Entity-Part System ( following this as a reference ). I can make all the entities with a ...
Zombleh's user avatar
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Ive been building a game using a Entity Component system, but im having a bit of an issue finding a specific object in my entity system without knowing the Entity's Id. My game is organized in ...
iNFiNiTY's user avatar
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I am trying to create a custom map format for my own little 2D RPG, so my question is rather how do I manage reading and creating a custom map format properly and flexible. First off, I am writing my ...
Thyrrac's user avatar
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9 votes
1 answer
7k views

Apologies if this question has been answered before, but after relentless searching I couldn't find anything. As many, I've recently jumped on the ECS-bandwagon, and I am currently killing some time ...
trmd's user avatar
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323 views

How do you implement hierarchical render order in an entity system? For example: two player entities each carry a gun entity. If you set the player entities to zindex = 0 and the gun entities to ...
Jules's user avatar
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2 votes
2 answers
501 views

I have a entity called Item, and every item can have two or three bonuses... What would be a good model design in this situation. I can think of something like: To have many optional attributes ...
Whirlwind's user avatar
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1 answer
567 views

I am working on a game in which entities need to be stored in chunks. This is the basic chunk format: public static Entity [row][column][entities] chunkEntities; ...
Progo's user avatar
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328 views

I am creating a simple 2D maze game and I am a little confused about entities & collision detection. At the moment, my entity class is an abstract class containing position, velocity, sprite and ...
Caithrine's user avatar
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2 answers
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I'm trying to access the x and y values from PositionComponent in my MovementComponent but I get this error and I just can't ...
Marko Kitonjics's user avatar
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4 votes
1 answer
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So I'm still learning about ECS (Entity Component System) and whenever I'm thinking about the architecture and actual implementation, I just can't figure out where should I put the SDL_Renderer*. So ...
Marko Kitonjics's user avatar
  • 121
18 votes
4 answers
5k views

Lately I have been researching and implementing an Entity System for my framework. I think I read most articles, reddits and questions about it that I could find, and so far I think I am grasping the ...
Grimshaw's user avatar
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1 vote
1 answer
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I am trying to build an Entity Component System for an interactive application developed using C++ and OpenGL. My question is quite simple. In my GameObject class I have a collection of Components. I ...
John's user avatar
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4 answers
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Ok so I am just starting to grasp the whole ECS paradigm right now and I need clarification on a few things. For the record, I am trying to develop a game using C++ and OpenGL and I'm relatively new ...
John's user avatar
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1 answer
805 views

I'm trying to send a CreateEntity packet from a server to client, but I can't figure out how to send the information about components over the network. I gave each component an ID, but then I realized ...
Tips48's user avatar
  • 331
3 votes
2 answers
423 views

How should a game entity add another game entity to the game world? For example, an entity shooting a missile (which is another entity), means the new Missile will ...
Aviv Cohn's user avatar
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2 votes
1 answer
934 views

I've done my research and read as many articles and posts on messaging and ECS's as I could find to help me get mine working. However, I'm at a roadblock on how to get my messag functionality to be ...
Stephen Panagiotis's user avatar
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1 answer
262 views

I use in Java Artemis(entity system library) and Slick2D(graphics library) for a game. Now I wonder me, how I should handle graphics(sprites, textures...). In the demos of the page from Artemis it was ...
user2933016's user avatar
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2 votes
1 answer
397 views

I'm using a model where entities are collections of components and components are just data. All the logic goes into systems which operate on components. Making basic systems(for Rendering and ...
user avatar
0 votes
2 answers
1k views

I have been trying to create my very first game for quite a while, followed some tutorials and stuff, but I am stuck at creating my entity system. I have made a class that extends the Entity class and ...
ntakouris's user avatar
  • 172
2 votes
2 answers
1k views

I've taken up the challenge of creating a basic 2D side-scrolling monster truck game for my little brother. It seems easy enough in theory, but jumping into Java out of XNA feels strange. My game ...
Lost_Soul's user avatar
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3 votes
3 answers
5k views

I was wondering how multiplayer games detect if you enter a special region. Let's assume there is a huge map that is so big that simply checking it would become a huge performance issue. I've seen ...
OpenAI goto hell's user avatar
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10 votes
3 answers
4k views

So far the entity component systems I've used have worked mostly like Java's artemis: All data in components Stateless independent systems (at least to the degree that they don't require input on ...
Aeris130's user avatar
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2 votes
1 answer
1k views

My game processes world collisions followed by entity collisions. The problem here is that entities can break through walls the next frame when world checks are run again as a result of the prior ...
user600003's user avatar
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12 votes
2 answers
1k views

Considering the image above with tiles split into 32x32 boxes, I have an entity which is marked to 'aggro' nearby players that come close to it. I'd like this monster to ideally chase the player (and ...
Vaughan Hilts's user avatar
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