mirror
/
fireblade-ecs
mirror of https://github.com/fireblade-engine/ecs.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge branch 'develop' into feature/serialization

This commit is contained in:
Christian Treffs 2020-08-21 12:05:40 +02:00
parent 2bce2987f7 e351de9fb3
commit dc1d2f67b4
No known key found for this signature in database
GPG Key ID: 49A4B4B460BE3ED4
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Sources/FirebladeECS/EntityIdentifierGenerator.swift
View File

@ -32,9 +32,16 @@ public protocol EntityIdentifierGenerator {
}
/// A default entity identifier generator implementation.
public typealias DefaultEntityIdGenerator = LinearIncrementingEntityIdGenerator
/// **Linear incrementing entity id generator**
///
/// Provides entity ids starting at `0` incrementing until `UInt32.max`.
public struct DefaultEntityIdGenerator: EntityIdentifierGenerator {
/// This entity id generator creates linearly incrementing entity ids
/// unless an entity is marked as unused then the marked id is returned next in a FIFO order.
///
/// Furthermore it respects order of entity ids on initialization, meaning the provided ids on initialization will be provided in order
/// until all are in use. After that the free entities start at the lowest available id increasing linearly skipping already in-use entity ids.
public struct LinearIncrementingEntityIdGenerator: EntityIdentifierGenerator {
@usableFromInline
final class Storage {
@usableFromInline var stack: [EntityIdentifier.Identifier]
@ -85,7 +92,7 @@ public struct DefaultEntityIdGenerator: EntityIdentifierGenerator {
self.storage = Storage()
}
//@inline(__always)
@inline(__always)
public func nextId() -> EntityIdentifier {
storage.nextId()
}