| | | 1 | | using System; |
| | | 2 | | using UnityEngine; |
| | | 3 | | using UnityEngine.Networking; |
| | | 4 | | |
| | | 5 | | namespace DCL |
| | | 6 | | { |
| | | 7 | | public class AssetPromise_Texture : AssetPromise<Asset_Texture> |
| | | 8 | | { |
| | 1 | 9 | | static readonly byte[] questionMarkPNG = { 137, 80, 78, 71, 13, 10, 26, 10, 0, 0, 0, 13, 73, 72, 68, 82, 0, 0, 0 |
| | | 10 | | |
| | | 11 | | const TextureWrapMode DEFAULT_WRAP_MODE = TextureWrapMode.Clamp; |
| | | 12 | | const FilterMode DEFAULT_FILTER_MODE = FilterMode.Bilinear; |
| | | 13 | | private const string PLAIN_BASE64_PROTOCOL = "data:text/plain;base64,"; |
| | | 14 | | |
| | | 15 | | string url; |
| | | 16 | | string idWithTexSettings; |
| | | 17 | | string idWithDefaultTexSettings; |
| | | 18 | | TextureWrapMode wrapMode; |
| | | 19 | | FilterMode filterMode; |
| | | 20 | | bool storeDefaultTextureInAdvance = false; |
| | | 21 | | bool storeTexAsNonReadable = false; |
| | | 22 | | |
| | | 23 | | WebRequestAsyncOperation webRequestOp = null; |
| | | 24 | | |
| | 322 | 25 | | public AssetPromise_Texture(string textureUrl, TextureWrapMode textureWrapMode = DEFAULT_WRAP_MODE, FilterMode t |
| | | 26 | | { |
| | 322 | 27 | | url = textureUrl; |
| | 322 | 28 | | wrapMode = textureWrapMode; |
| | 322 | 29 | | filterMode = textureFilterMode; |
| | 322 | 30 | | this.storeDefaultTextureInAdvance = storeDefaultTextureInAdvance; |
| | 322 | 31 | | this.storeTexAsNonReadable = storeTexAsNonReadable; |
| | 322 | 32 | | idWithDefaultTexSettings = ConstructId(url, DEFAULT_WRAP_MODE, DEFAULT_FILTER_MODE); |
| | 322 | 33 | | idWithTexSettings = UsesDefaultWrapAndFilterMode() ? idWithDefaultTexSettings : ConstructId(url, wrapMode, f |
| | 322 | 34 | | } |
| | | 35 | | |
| | 36 | 36 | | protected override void OnAfterLoadOrReuse() { } |
| | | 37 | | |
| | 71 | 38 | | protected override void OnBeforeLoadOrReuse() { } |
| | | 39 | | |
| | 71 | 40 | | protected override object GetLibraryAssetCheckId() { return idWithTexSettings; } |
| | | 41 | | |
| | | 42 | | protected override void OnCancelLoading() |
| | | 43 | | { |
| | 33 | 44 | | if (webRequestOp != null) |
| | 33 | 45 | | webRequestOp.Dispose(); |
| | 33 | 46 | | } |
| | | 47 | | |
| | | 48 | | protected override void OnLoad(Action OnSuccess, Action OnFail) |
| | | 49 | | { |
| | | 50 | | // Reuse the already-stored default texture, we duplicate it and set the needed config afterwards in AddToLi |
| | 66 | 51 | | if (library.Contains(idWithDefaultTexSettings) && !UsesDefaultWrapAndFilterMode()) |
| | | 52 | | { |
| | 0 | 53 | | OnSuccess?.Invoke(); |
| | 0 | 54 | | return; |
| | | 55 | | } |
| | | 56 | | |
| | 66 | 57 | | if (!url.StartsWith(PLAIN_BASE64_PROTOCOL)) |
| | | 58 | | { |
| | 66 | 59 | | webRequestOp = DCL.Environment.i.platform.webRequest.GetTexture( |
| | | 60 | | url: url, |
| | | 61 | | OnSuccess: (webRequestResult) => |
| | | 62 | | { |
| | 32 | 63 | | if (asset != null) |
| | | 64 | | { |
| | 32 | 65 | | asset.texture = DownloadHandlerTexture.GetContent(webRequestResult); |
| | 32 | 66 | | if (IsQuestionMarkPNG(asset.texture)) |
| | 1 | 67 | | OnFail?.Invoke(); |
| | | 68 | | else |
| | 31 | 69 | | OnSuccess?.Invoke(); |
| | 31 | 70 | | } |
| | | 71 | | else |
| | | 72 | | { |
| | 0 | 73 | | OnFail?.Invoke(); |
| | | 74 | | } |
| | 0 | 75 | | }, |
| | | 76 | | OnFail: (webRequestResult) => |
| | | 77 | | { |
| | 20 | 78 | | OnFail?.Invoke(); |
| | 20 | 79 | | }); |
| | 66 | 80 | | } |
| | | 81 | | else |
| | | 82 | | { |
| | | 83 | | //For Base64 protocols we just take the bytes and create the texture |
| | | 84 | | //to avoid Unity's web request issue with large URLs |
| | 0 | 85 | | byte[] decodedTexture = Convert.FromBase64String(url.Substring(PLAIN_BASE64_PROTOCOL.Length)); |
| | 0 | 86 | | asset.texture = new Texture2D(1, 1); |
| | 0 | 87 | | asset.texture.LoadImage(decodedTexture); |
| | 0 | 88 | | OnSuccess?.Invoke(); |
| | | 89 | | } |
| | 0 | 90 | | } |
| | | 91 | | |
| | | 92 | | protected override bool AddToLibrary() |
| | | 93 | | { |
| | 31 | 94 | | if (storeDefaultTextureInAdvance && !UsesDefaultWrapAndFilterMode()) |
| | | 95 | | { |
| | 1 | 96 | | if (!library.Contains(idWithDefaultTexSettings)) |
| | | 97 | | { |
| | | 98 | | // Save default texture asset |
| | 1 | 99 | | asset.id = idWithDefaultTexSettings; |
| | 1 | 100 | | asset.ConfigureTexture(DEFAULT_WRAP_MODE, DEFAULT_FILTER_MODE, false); |
| | | 101 | | |
| | 1 | 102 | | if (!library.Add(asset)) |
| | | 103 | | { |
| | 0 | 104 | | Debug.Log("add to library fail?"); |
| | 0 | 105 | | return false; |
| | | 106 | | } |
| | | 107 | | } |
| | | 108 | | |
| | | 109 | | // By always using library.Get() for the default tex we have stored, we increase its references counter, |
| | | 110 | | // that will come in handy for removing that default tex when there is no one using it |
| | 1 | 111 | | var defaultTexAsset = library.Get(idWithDefaultTexSettings); |
| | 1 | 112 | | asset = defaultTexAsset.Clone() as Asset_Texture; |
| | 1 | 113 | | asset.dependencyAsset = defaultTexAsset; |
| | 1 | 114 | | asset.texture = TextureHelpers.CopyTexture(defaultTexAsset.texture); |
| | | 115 | | } |
| | | 116 | | |
| | 31 | 117 | | asset.id = idWithTexSettings; |
| | 31 | 118 | | asset.ConfigureTexture(wrapMode, filterMode, storeTexAsNonReadable); |
| | | 119 | | |
| | 31 | 120 | | if (!library.Add(asset)) |
| | | 121 | | { |
| | 0 | 122 | | Debug.Log("add to library fail?"); |
| | 0 | 123 | | return false; |
| | | 124 | | } |
| | | 125 | | |
| | 31 | 126 | | asset = library.Get(asset.id); |
| | 31 | 127 | | return true; |
| | | 128 | | } |
| | | 129 | | |
| | 329 | 130 | | string ConstructId(string textureUrl, TextureWrapMode textureWrapMode, FilterMode textureFilterMode) { return (( |
| | | 131 | | |
| | | 132 | | public override object GetId() |
| | | 133 | | { |
| | | 134 | | // We only use the id-with-settings when storing/reading from the library |
| | 825 | 135 | | return idWithDefaultTexSettings; |
| | | 136 | | } |
| | | 137 | | |
| | 340 | 138 | | public bool UsesDefaultWrapAndFilterMode() { return wrapMode == DEFAULT_WRAP_MODE && filterMode == DEFAULT_FILTE |
| | | 139 | | |
| | | 140 | | internal bool IsQuestionMarkPNG(Texture tex) |
| | | 141 | | { |
| | 32 | 142 | | if (!tex) |
| | 0 | 143 | | return true; |
| | | 144 | | |
| | 32 | 145 | | if (tex.width != 8 || tex.height != 8) |
| | 31 | 146 | | return false; |
| | | 147 | | |
| | 1 | 148 | | byte[] png1 = (tex as Texture2D).EncodeToPNG(); |
| | 246 | 149 | | for (int i = 0; i < questionMarkPNG.Length; i++) |
| | 122 | 150 | | if (!png1[i].Equals(questionMarkPNG[i])) |
| | 0 | 151 | | return false; |
| | 1 | 152 | | return true; |
| | | 153 | | } |
| | | 154 | | } |
| | | 155 | | } |