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Extend scene graph implementation

This commit is contained in:
Christian Treffs 2019-10-01 07:59:09 +02:00
parent 6f40250fdb
commit 4a2ad80dd6
2 changed files with 9 additions and 3 deletions
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2
Sources/FirebladeECS/Family.swift
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@ -143,7 +143,7 @@ extension Family {
@usableFromInline unowned let nexus: Nexus
@usableFromInline let familyTraits: FamilyTraitSet
@usableFromInline var relatives: [(EntityIdentifier, EntityIdentifier)]
@usableFromInline var relatives: ContiguousArray<(EntityIdentifier, EntityIdentifier)>
public init(family: Family<R>, root: Entity) {
self.nexus = family.nexus

10
Tests/FirebladeECSTests/SceneGraphTests.swift
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@ -94,8 +94,10 @@ class SceneGraphTests: XCTestCase {
func addChild(to parent: Entity, index: Int) -> Entity {
let randComp = otherComponents.randomElement()!
let child = nexus.createEntity(with: Index(index: index), randComp)
let badChild = nexus.createEntity(with: randComp)
let child = nexus.createEntity(with: Index(index: index))
parent.addChild(child)
parent.addChild(badChild)
return child
}
@ -106,16 +108,20 @@ class SceneGraphTests: XCTestCase {
parent = addChild(to: parent, index: i)
}
XCTAssertEqual(nexus.numEntities, 10)
XCTAssertEqual(nexus.numEntities, 19)
var parentSum: Int = 0
var childSum: Int = 0
var lastIndex: Int = -1
nexus
.family(requires: Index.self)
.descendRelatives(from: root)
.forEach { (parent: Index, child: Index) in
XCTAssertEqual(parent.index + 1, child.index)
XCTAssertGreaterThan(parent.index, lastIndex)
lastIndex = parent.index
parentSum += parent.index
childSum += child.index
}