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Commit | Line | Data |
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1 | /* | |
2 | * A node describes a set of components in order to describe entities | |
3 | * that include them. | |
4 | */ | |
5 | export class Node { | |
6 | ||
7 | /* | |
8 | * Returns true if the given entity matches the defined protocol, | |
9 | * false otherwise | |
10 | */ | |
11 | static matches(entity) { | |
12 | ||
13 | const typeNames = Object.keys(this.types); | |
14 | ||
15 | for (const typeName of typeNames) { | |
16 | ||
17 | const type = this.types[typeName]; | |
18 | let matched = false; | |
19 | ||
20 | if (entity.hasComponent(type)) { | |
21 | matched = true; | |
22 | } | |
23 | ||
24 | if (!matched) { | |
25 | return false; | |
26 | } | |
27 | } | |
28 | ||
29 | return true; | |
30 | } | |
31 | ||
32 | constructor(config) { | |
33 | ||
34 | this.types = {}; | |
35 | ||
36 | Object.assign(this, config); | |
37 | } | |
38 | } |