| | | 1 | | using Cysharp.Threading.Tasks; |
| | | 2 | | using DCL; |
| | | 3 | | using System; |
| | | 4 | | using System.Collections.Generic; |
| | | 5 | | using System.Linq; |
| | | 6 | | using System.Threading; |
| | | 7 | | using UnityEngine; |
| | | 8 | | |
| | | 9 | | public static class AssetBundleDepMapLoadHelper |
| | | 10 | | { |
| | 1 | 11 | | static bool VERBOSE = false; |
| | | 12 | | private const string MAIN_SHADER_FILENAME = "mainshader"; |
| | | 13 | | |
| | 1 | 14 | | public static Dictionary<string, List<string>> dependenciesMap = new (); |
| | | 15 | | |
| | 1 | 16 | | static HashSet<string> failedRequests = new (); |
| | 1 | 17 | | static HashSet<string> downloadingDepmap = new (); |
| | | 18 | | |
| | | 19 | | public static async UniTask<IReadOnlyList<string>> GetDependenciesAsync(this AssetBundle assetBundle, string baseUrl |
| | | 20 | | { |
| | | 21 | | // Check internal metadata file (dependencies, version, timestamp) and if it doesn't exist, fetch the external d |
| | 22 | 22 | | TextAsset metadata = Asset_AB.GetMetadata(assetBundle); |
| | | 23 | | |
| | 22 | 24 | | if (metadata != null) |
| | 5 | 25 | | LoadDepMapFromJSON(metadata.text, hash); |
| | | 26 | | else |
| | | 27 | | { |
| | 17 | 28 | | if (!dependenciesMap.ContainsKey(hash)) |
| | 10 | 29 | | await LoadExternalDepMap(baseUrl, hash, cancellationToken); |
| | | 30 | | } |
| | | 31 | | |
| | 22 | 32 | | if (!dependenciesMap.TryGetValue(hash, out List<string> dependencies)) |
| | 2 | 33 | | dependencies = new List<string>(); |
| | | 34 | | |
| | 22 | 35 | | return dependencies; |
| | 22 | 36 | | } |
| | | 37 | | |
| | | 38 | | public static UniTask WaitUntilExternalDepMapIsResolved(string hash) |
| | | 39 | | { |
| | 0 | 40 | | return UniTask.WaitUntil(() => !downloadingDepmap.Contains(hash) && (dependenciesMap.ContainsKey(hash) || failed |
| | | 41 | | } |
| | | 42 | | |
| | | 43 | | public static async UniTask LoadExternalDepMap(string baseUrl, string hash, CancellationToken cancellationToken) |
| | | 44 | | { |
| | 4 | 45 | | if (dependenciesMap.ContainsKey(hash)) |
| | 0 | 46 | | return; |
| | | 47 | | |
| | 4 | 48 | | if (failedRequests.Contains(hash)) |
| | 1 | 49 | | return; |
| | | 50 | | |
| | 3 | 51 | | if (downloadingDepmap.Contains(hash)) |
| | | 52 | | { |
| | 0 | 53 | | await WaitUntilExternalDepMapIsResolved(hash); |
| | 0 | 54 | | return; |
| | | 55 | | } |
| | | 56 | | |
| | 3 | 57 | | string url = baseUrl + hash + ".depmap"; |
| | | 58 | | |
| | 3 | 59 | | downloadingDepmap.Add(hash); |
| | | 60 | | |
| | 9 | 61 | | await DCL.Environment.i.platform.webRequest.Get( |
| | | 62 | | url: url, |
| | | 63 | | OnSuccess: (depmapRequest) => |
| | | 64 | | { |
| | 2 | 65 | | LoadDepMapFromJSON(depmapRequest.webRequest.downloadHandler.text, hash); |
| | | 66 | | |
| | 2 | 67 | | downloadingDepmap.Remove(hash); |
| | 2 | 68 | | }, |
| | | 69 | | OnFail: _ => |
| | | 70 | | { |
| | 1 | 71 | | failedRequests.Add(hash); |
| | 1 | 72 | | downloadingDepmap.Remove(hash); |
| | 1 | 73 | | }).WithCancellation(cancellationToken); |
| | 4 | 74 | | } |
| | | 75 | | |
| | | 76 | | public static void LoadDepMapFromJSON(string metadataJSON, string hash) |
| | | 77 | | { |
| | 7 | 78 | | AssetBundleMetadata metadata = JsonUtility.FromJson<AssetBundleMetadata>(metadataJSON); |
| | | 79 | | |
| | 7 | 80 | | if (VERBOSE) |
| | | 81 | | { |
| | 0 | 82 | | Debug.Log($"DependencyMapLoadHelper: {hash} asset bundle version: " + metadata.version); |
| | 0 | 83 | | Debug.Log($"DependencyMapLoadHelper: {hash} asset bundle timestamp: " + (metadata.timestamp > 0 ? new DateTi |
| | | 84 | | } |
| | | 85 | | |
| | 8 | 86 | | metadata.dependencies = metadata.dependencies.Where(x => !x.Contains(MAIN_SHADER_FILENAME)).ToArray(); |
| | | 87 | | |
| | 7 | 88 | | dependenciesMap[hash] = new List<string>(metadata.dependencies); |
| | 7 | 89 | | } |
| | | 90 | | } |