-
Notifications
You must be signed in to change notification settings - Fork 0
/
ObjLoader.cs
303 lines (252 loc) · 10.3 KB
/
ObjLoader.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
using Dummiesman;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Networking;
namespace Providers
{
public class ObjLoader
{
private Dictionary<ArObjectLoadInfo, GameObject> _gameObjectsCache = new();
private Dictionary<string, string> _modelsCache = new();
private Dictionary<string, string> _materialsCache = new();
private Dictionary<string, Texture> _texturesCache = new();
private List<ArObjectLoadInfo> _objectsInLoad = new();
private List<string> _modelsInLoad = new();
private List<string> _materialsInLoad = new();
private List<string> _texturesInLoad = new();
public void Load(string modelLink, string materialLink, string textureLink, Action<GameObject> successCallback, Action<string> failureCallback)
{
// Get from gameobjects cache if exist
if (TryGetGameObject(modelLink, materialLink, textureLink, out GameObject go))
{
successCallback?.Invoke(go);
return;
}
// Check if we have same object in load
if (TryGetLoadInfo(modelLink, materialLink, textureLink, out ArObjectLoadInfo info))
{
info.TryAddSuccessCallback(successCallback);
info.TryAddFailureCallback(failureCallback);
return;
}
// Add object to loaded list
var loadObject = new ArObjectLoadInfo(modelLink, materialLink, textureLink);
loadObject.TryAddSuccessCallback(successCallback);
loadObject.TryAddFailureCallback(failureCallback);
_objectsInLoad.Add(loadObject);
bool needToLoadSomething = false;
if (!_modelsCache.ContainsKey(modelLink) || !_modelsInLoad.Contains(modelLink))
{
needToLoadSomething = true;
LoadModel(modelLink);
}
if (!_materialsCache.ContainsKey(materialLink) || !_materialsInLoad.Contains(materialLink))
{
needToLoadSomething = true;
LoadMaterial(materialLink);
}
if (!_texturesCache.ContainsKey(textureLink) || !_texturesInLoad.Contains(textureLink))
{
needToLoadSomething = true;
LoadTexture(textureLink);
}
if (!needToLoadSomething)
{
CheckLoadedGameObjects();
}
}
private bool TryGetGameObject(string modelLink, string materialLink, string textureLink, out GameObject result)
{
foreach (var kvp in _gameObjectsCache)
{
if (kvp.Key.Equals(modelLink, materialLink, textureLink))
{
result = kvp.Value;
return true;
}
}
result = null;
return false;
}
private bool TryGetLoadInfo(string modelLink, string materialLink, string textureLink, out ArObjectLoadInfo result)
{
foreach (var loadObj in _objectsInLoad)
{
if (loadObj.Equals(modelLink, materialLink, textureLink))
{
result = loadObj;
return true;
}
}
result = null;
return false;
}
private void LoadModel(string modelLink)
{
_modelsInLoad.Add(modelLink);
SendAsyncGetWebRequest(modelLink, data =>
{
_modelsCache[modelLink] = data;
if (_modelsInLoad.Contains(modelLink))
{
_modelsInLoad.Remove(modelLink);
}
CheckLoadedGameObjects();
});
}
private void LoadMaterial(string materialLink)
{
_materialsInLoad.Add(materialLink);
SendAsyncGetWebRequest(materialLink, data =>
{
_materialsCache[materialLink] = data;
if (_materialsInLoad.Contains(materialLink))
{
_materialsInLoad.Remove(materialLink);
}
CheckLoadedGameObjects();
});
}
private void LoadTexture(string textureLink)
{
_texturesInLoad.Add(textureLink);
SendAsyncGetTextureWebRequest(textureLink,
texture =>
{
_texturesCache[textureLink] = texture;
if (_texturesInLoad.Contains(textureLink))
{
_texturesInLoad.Remove(textureLink);
}
CheckLoadedGameObjects();
},
error =>
{
var loadingObjects = _objectsInLoad.FindAll(lo => lo.TextureLink == textureLink);
loadingObjects.ForEach(obj => obj.CanIgnoreTexture = true);
if (_texturesInLoad.Contains(textureLink))
{
_texturesInLoad.Remove(textureLink);
}
CheckLoadedGameObjects();
});
}
private void CheckLoadedGameObjects()
{
for (var i = 0; i < _objectsInLoad.Count; i++)
{
var loadObj = _objectsInLoad[i];
if (!_modelsCache.ContainsKey(loadObj.ModelLink)
|| !_materialsCache.ContainsKey(loadObj.MaterialLink)
|| (!loadObj.CanIgnoreTexture && !_texturesCache.ContainsKey(loadObj.TextureLink)))
{
continue;
}
_objectsInLoad.RemoveAt(i--);
var model = new MemoryStream(Encoding.UTF8.GetBytes(_modelsCache[loadObj.ModelLink]));
var material = new MemoryStream(Encoding.UTF8.GetBytes(_materialsCache[loadObj.MaterialLink]));
var newGameObject = new OBJLoader().Load(model, material, _texturesCache[loadObj.TextureLink]);
model.Close();
material.Close();
_gameObjectsCache[loadObj] = newGameObject;
foreach (var succesCallback in loadObj.SuccessCallbacks)
{
succesCallback?.Invoke(newGameObject);
}
}
}
private async void SendAsyncGetWebRequest(string url, Action<string> successCallback, Action<string> failureCallback = null, int attemptCount = 3)
{
using UnityWebRequest webRequest = UnityWebRequest.Get(url);
var asyncOperation = webRequest.SendWebRequest();
while (!asyncOperation.isDone)
{
await Task.Yield();
}
if (webRequest == null
|| webRequest.downloadHandler == null
|| webRequest.result != UnityWebRequest.Result.Success)
{
if (attemptCount > 0)
{
SendAsyncGetWebRequest(url, successCallback, failureCallback, --attemptCount);
}
else
{
Debug.Log($"GetWebRequest Error: {url}. {webRequest?.error}");
failureCallback?.Invoke(webRequest?.error);
}
}
else
{
successCallback?.Invoke(webRequest.downloadHandler.text);
}
}
private async void SendAsyncGetTextureWebRequest(string url, Action<Texture2D> successCallback, Action<string> failureCallback = null, int attemptCount = 3)
{
using UnityWebRequest webRequest = UnityWebRequestTexture.GetTexture(url);
var asyncOperation = webRequest.SendWebRequest();
while (!asyncOperation.isDone)
{
await Task.Yield();
}
if (webRequest == null
|| webRequest.downloadHandler == null
|| webRequest.result != UnityWebRequest.Result.Success)
{
if (attemptCount > 0)
{
SendAsyncGetTextureWebRequest(url, successCallback, failureCallback, --attemptCount);
}
else
{
Debug.Log($"GetWebRequest Error: {url}. {webRequest?.error}");
failureCallback?.Invoke(webRequest?.error);
}
}
else
{
successCallback?.Invoke(((DownloadHandlerTexture)webRequest.downloadHandler).texture);
}
}
}
public class ArObjectLoadInfo
{
public string ModelLink { get; private set; }
public string MaterialLink { get; private set; }
public string TextureLink { get; private set; }
public bool CanIgnoreTexture { get; set; } = false;
public List<Action<GameObject>> SuccessCallbacks => _successCallbacks;
public List<Action<string>> FailureCallbacks => _failureCallbacks;
private List<Action<GameObject>> _successCallbacks = new();
private List<Action<string>> _failureCallbacks = new();
public ArObjectLoadInfo(string modelLink, string materialLink, string textureLink)
{
ModelLink = modelLink;
MaterialLink = materialLink;
TextureLink = textureLink;
}
public void TryAddSuccessCallback(Action<GameObject> callback)
{
if (!_successCallbacks.Contains(callback))
{
_successCallbacks.Add(callback);
}
}
public void TryAddFailureCallback(Action<string> callback)
{
if (!_failureCallbacks.Contains(callback))
{
_failureCallbacks.Add(callback);
}
}
public bool Equals(string modelLink, string materialLink, string textureLink)
{
return ModelLink.Equals(modelLink) && MaterialLink.Equals(materialLink) && TextureLink.Equals(textureLink);
}
}
}