Questions tagged [state]
Generally used in correlation with a state machine.
139
questions
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44 views
Combining a pure ECS with a FSM scheduling system
Currently I am evaluating how to refactor my core game logic since I tried to design most of it in pure ECS but isn't really completely feasible the way I intended it.
My game at its core is a turn-...
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0answers
37 views
A Finite state machine where some states shouldn't be transitioned to even if initial conditions satisfy
I've built a Finite State Machine for my player. Currently I have only one, locomotion, but I plan on adding more state machines. At the moment state relationship looks something like this:
The blue ...
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0answers
19 views
Statemachine to behaviour tree?
Background
I was able to convert simple statemachines like this...
Into a BT looking like this (Notation describtion)...
...
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0answers
33 views
High Frequency Polling And Handling Fuzzy Inputs
I'm developing a FPS game and I'm considering polling at a high frequency on a separate thread. This decouples the game loop and reading input. I get sub-frame samples and can process those samples ...
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42 views
Managing player/AI state in Entity Component System
I am working on a 2d platformer game. Right now, I'm also using ECS. My question is how can I manage player's and AI current states in the context of ECS when some states are exclusive and some may be ...
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1answer
68 views
Animator State does not switch immediately through code, even tho all transitions have “Has Exit Time” checked off
first of all, this is my code, I'm prototyping a state machine using Unity Animator (First Time) and I'm stuck coding a simple burst of speed.
...
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1answer
41 views
Using a state pattern across multiple controllers / general architecture advice
I'm trying to implement a state pattern - having skated by with enums forever - and have hit a bit of a wall when it comes to it's implementation in my game. It's a grid based strategy game with an ...
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0answers
204 views
Animation shown as playing in the animator, but it doesn't show in game (Unity 2D/C#)
I have an Animator on this gameObject. The Animator hits one state when some parameters are true, it can transition to this state from any state. The parameters are fine because i can see in the ...
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76 views
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1answer
72 views
Implementing a more reliable upwards slash?
I am working on a 2D action platformer and I am currently implementing an upwards slash.
For a normal horizontal slash, the player must press the attack button. For an upwards slash, the player must ...
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1answer
26 views
How do I make an image appear based on the current state I'm in?
I am following a tutorial called Complete C# Unity Developer 2D: Learn to Code Making Games. In one section we create a text-based game, where we display a canvas with some UI elements to the user. ...
0
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3answers
1k views
How to Prevent Enemy Overlap
I am working on a 2D side-scrolling action platformer.
I am currently working on the state logic for my enemies. These are humanoid enemies that walk on the ground
They currently have idle, patrol, ...
0
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3answers
2k views
Unity: Is type casting every frame too expensive?
I have a state machine that controls my enemy AI. Each AI has a target which may be a Player, an obstacle, a shell, or even a Vector2 position.
I'm trying to abstract my "target" member, and my ...
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3answers
698 views
Using State Pattern with Unity
I am new to Game Development and Unity. I have written a component for Jumping and Running, CharacterJumpAbility.cs and ...
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1answer
46 views
If online games use permalinks
I'm trying to figure out how to accurately capture the state of the web app by a URL, similar to something like https://jsfiddle.net/, where they create ...
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0answers
29 views
How to track/identify amorphous blobs in 2D or 3D space
In doing HTML/DOM work, you are working with concrete nodes which you can visibly touch and have a defined shape and boundary.
What I'm wondering though is like with a cloud like structure, or like a ...
0
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1answer
349 views
LibGDX - Animate Player using Finite State Machine in Ashley ECS
Hi everyone this is my first question on this forum hope you can clarify my doubt.
I'm gonna start by saying that im not very good at english so my apologies.
So I have a big school project and I'm ...
0
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2answers
2k views
How to represent a modular FSM for AI using ECS?
I am considering to implement AI using ECS which actually contradicts working with naive FSMs. My current idea is to have multiple components which represent the particular state an Entity that has a <...
0
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0answers
65 views
Handling “nested” user actions in client/server card game
I'm developing a card game in JavaScript in a functional programming style and I'm unsure what is the best way to implement the flow of player actions that require other player actions for their ...
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2answers
954 views
Is Pushdown Automata better for user input than Hierarchical State Machine?
I saw an example of code using HSM for user input, but to me it seems that Pushdown Automata would be a better fit. I'm confused.
If I'm right, then after Hierarchical State Machine exits a ...
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0answers
120 views
Creating state machines to handle multiple aspects of a game?
So first off, I'm not sure if it matters but I am using SFML and C++. I've been wanting to write a game and I've read a lot on FSMs and what they do/make things easier for managing games, etc. What I ...
2
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1answer
376 views
How can I simplify my state machine transitions?
I currently have the following base class which I inherit from for my player states (e.g. Idle, Walking, Jumping).
...
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1answer
117 views
How to design phases of a single turn
Battles in my game run fully automatically and return a combat log afterwards. My main game loop looks like this:
...
2
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0answers
580 views
How can I build Goal Oriented Action Planning within an Entity Component System?
I've been creating an interactive fiction game in javascript that uses an entity component system as described here. The problem I've encountered is in developing the AI system for the game. Ideally, ...
0
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1answer
96 views
How to manage instances of (placed) cards and decks in card games?
This question sounds quite specific, but I mean in general, how do you manage something like a card game when it comes to decks (one for player1, one for player2, ...) and placed cards focused on ...
2
votes
1answer
524 views
When/where should a game state transition take place?
I'm in the process of redesigning some of my state management code (there are several features I've grown to dislike in practice..) which was based on this tutorial and others. The issue I'm having ...
0
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1answer
106 views
Structure GameObject - States - Visual representation
Question: What is the best data structure for GameObjects that have different states and thus different visuals?
The situation is:
I'm creating a game for mobiles (written in Kotlin, no Engine used)....
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1answer
54 views
D3D11 SetShader States
I have some questions regarding the XXSetShader and what happens after, for instance I would like to know if when XXSetShader is called the subsequent calls would be bound to that particular shader, ...
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0answers
42 views
Find required entities to accomplish specific task in shortest time
I have a grid like map with entities that can perform turn-based actions like moving or growing strength. When I have a task that requires a certain strength, I want to find the entities required to ...
0
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1answer
226 views
Problem understanding finite state machine
I want to use the finite state machine for the ennemies AI in my game.
I implemented the pattern and it work fine for my first enemy (enemy A):
Enemy is in IdleState by default
When enemy see the ...
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vote
1answer
72 views
Managing Discrete Character Animation States
I'm creating a 2D game in which each possible direction of movement for the player, (Up, Down, Left, Right), has its own distinct animation, i.e., they aren't rotations of each other. Currently I am ...
0
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1answer
2k views
StateMachineBehaviour.OnStateExit is called before StateMachineBehaviour.OnStateEntered is called
When I start my game I get null-references in my OnStateExit of objects that are initialized in the OnStateEntered. After this it goes smooth, so it only occurs at startup before any conditions for ...
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1answer
121 views
What component should hold the character movements in ecs and fsm?
In the below code, there's a FSM for CharacterState that will be handled also in CharacterSystem. The problem was, I don't know ...
0
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1answer
371 views
Should I use single state or multiple state of an entity in finite state machine?
In the below code, is the options I've created whether to use single or multiple states for my character or other entity. Still can't decide which one is better inf using state machines.
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0answers
781 views
Game logic implemented using TPL / async / await, and performance of it
I'm working on a game, and as a typical game (here using Monogame) it uses frame based approach, where all logic happens in Update() method called every frame.
As a consequence, any sequential logic ...
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2answers
1k views
How to handle global Data within a state machine setup? (C#)
I am currently building a turn-based framework (Unity,C#)
I was tired of my former tight-coupled systems and opted for a state machine this time, basically all components subscribe to the state-Enter ...
1
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1answer
932 views
InvalidOperationException when peeking from a stack within custom editor
I've got a simple state machine for handling game states which works using GameObjects that I enable/disable in order to switch the states. Since some states can be ...
5
votes
3answers
3k views
How to make a PROPER main menu (or any other UI windows/modals) in Unity?
So, I'm currently learning both about Unity for the first time as well as the 'new' 2D UI system, but I'm having a hard time figuring out how to make windows, modals/dialogs, main menus etc. which are ...
1
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1answer
92 views
What exactly is a 'set of states'?
Whilst looking into game-oriented applications of programming patterns I discovered a question on this site which suggests that a 'set of states' is superior to a 'stack of states' but does not ...
0
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1answer
84 views
Code vs. Configuration in Unity [closed]
I know a thing or two about Unity at this point, but I've still lots of subjective, best practice questions, Such as:
How do you decide what values are obtained via Start/Awake initialization, and ...
2
votes
1answer
705 views
Why does my Unity animator state “finish” before the visible motion does?
Example:
The TopAppearing motion - boost the alpha of the sprite from 0 to 1 for total of 2 seconds:
After TopAppearing state has been finished:
The TopAppearing's transition settings:
Question:
...
2
votes
0answers
201 views
State machines and map transitions
I've implemented a [basic] FSM in my game and it currently does its job very well. Recently I have come across a "problem" that I need to show a "Loading map. Please wait..." screen for as long the ...
2
votes
1answer
982 views
Architecture for game character movements with user input and a finite state machine
I have a JavaScript canvas game setup using Phaser framework. When I first made my character able to run, jump, and crouch, I used lots of if/else conditions and ended up with an ugly, buggy mess. I ...
0
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1answer
221 views
Changing the duration of motion state transitions in Animator Controller
Anyone around who is experienced with Unity animation states and the Animation Controller? I wonder is it possible in Unity to change the duration of time it takes between motion transitions in the ...
0
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2answers
1k views
Fixing enemy behavior state machine in Unity
I'm working on a state machine for my game's NPC.
The only thing I can't to get work properly is the hit sequence.
The hits register. What I would like to happen is for the attack sequence (animation)...
1
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1answer
111 views
States within a GameState?
I ended up coming up with having states within game states. For example:
States
splash
menu
tracks
garage
loading
play
What bothers me is that I now have states within the play state to handle it ...
0
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0answers
116 views
State Machine help
I'm using a state machine for my enemy's AI. I've not worked with state machines before & followed Unity's live training on State Machines.
I added a HitState to handle animation sequences. The ...
1
vote
3answers
169 views
How to architect input code to utilise state machine?
I have an InputController which currently handles all user input, so it looks at button states and updates entity intentions according to some simple rules.
I'm ...
3
votes
1answer
170 views
Animations won't transfer states until entire animation is completed [duplicate]
I am following the survival shooter tutorial and am using Unity 5.
I just completed this video (linked) and I tested played it to see my animations worked but it seems like it will only transition ...
0
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1answer
1k views
How to create a state based traffic signal?
I want to create a traffic light for a Unity3D game. I will model it in blender.
What is the best way to control this light in a unity scene?
One way I could think of is to change texture of say ...
