babylon.sceneLoader.js 6.7 KB

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  1. var BABYLON;
  2. (function (BABYLON) {
  3. var SceneLoader = (function () {
  4. function SceneLoader() {
  5. }
  6. Object.defineProperty(SceneLoader, "ForceFullSceneLoadingForIncremental", {
  7. get: function () {
  8. return SceneLoader._ForceFullSceneLoadingForIncremental;
  9. },
  10. set: function (value) {
  11. SceneLoader._ForceFullSceneLoadingForIncremental = value;
  12. },
  13. enumerable: true,
  14. configurable: true
  15. });
  16. Object.defineProperty(SceneLoader, "ShowLoadingScreen", {
  17. get: function () {
  18. return SceneLoader._ShowLoadingScreen;
  19. },
  20. set: function (value) {
  21. SceneLoader._ShowLoadingScreen = value;
  22. },
  23. enumerable: true,
  24. configurable: true
  25. });
  26. SceneLoader._getPluginForFilename = function (sceneFilename) {
  27. var dotPosition = sceneFilename.lastIndexOf(".");
  28. var queryStringPosition = sceneFilename.indexOf("?");
  29. var extension = sceneFilename.substring(dotPosition, queryStringPosition).toLowerCase();
  30. for (var index = 0; index < this._registeredPlugins.length; index++) {
  31. var plugin = this._registeredPlugins[index];
  32. if (plugin.extensions.indexOf(extension) !== -1) {
  33. return plugin;
  34. }
  35. }
  36. return this._registeredPlugins[this._registeredPlugins.length - 1];
  37. };
  38. // Public functions
  39. SceneLoader.RegisterPlugin = function (plugin) {
  40. plugin.extensions = plugin.extensions.toLowerCase();
  41. SceneLoader._registeredPlugins.push(plugin);
  42. };
  43. SceneLoader.ImportMesh = function (meshesNames, rootUrl, sceneFilename, scene, onsuccess, progressCallBack, onerror) {
  44. var manifestChecked = function (success) {
  45. scene.database = database;
  46. var plugin = SceneLoader._getPluginForFilename(sceneFilename);
  47. var importMeshFromData = function (data) {
  48. var meshes = [];
  49. var particleSystems = [];
  50. var skeletons = [];
  51. try {
  52. if (!plugin.importMesh(meshesNames, scene, data, rootUrl, meshes, particleSystems, skeletons)) {
  53. if (onerror) {
  54. onerror(scene, 'unable to load the scene');
  55. }
  56. return;
  57. }
  58. }
  59. catch (e) {
  60. if (onerror) {
  61. onerror(scene, e);
  62. }
  63. return;
  64. }
  65. if (onsuccess) {
  66. scene.importedMeshesFiles.push(rootUrl + sceneFilename);
  67. onsuccess(meshes, particleSystems, skeletons);
  68. }
  69. };
  70. if (sceneFilename.substr && sceneFilename.substr(0, 5) === "data:") {
  71. // Direct load
  72. importMeshFromData(sceneFilename.substr(5));
  73. return;
  74. }
  75. BABYLON.Tools.LoadFile(rootUrl + sceneFilename, function (data) {
  76. importMeshFromData(data);
  77. }, progressCallBack, database);
  78. };
  79. // Checking if a manifest file has been set for this scene and if offline mode has been requested
  80. var database = new BABYLON.Database(rootUrl + sceneFilename, manifestChecked);
  81. };
  82. /**
  83. * Load a scene
  84. * @param rootUrl a string that defines the root url for scene and resources
  85. * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
  86. * @param engine is the instance of BABYLON.Engine to use to create the scene
  87. */
  88. SceneLoader.Load = function (rootUrl, sceneFilename, engine, onsuccess, progressCallBack, onerror) {
  89. SceneLoader.Append(rootUrl, sceneFilename, new BABYLON.Scene(engine), onsuccess, progressCallBack, onerror);
  90. };
  91. /**
  92. * Append a scene
  93. * @param rootUrl a string that defines the root url for scene and resources
  94. * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
  95. * @param scene is the instance of BABYLON.Scene to append to
  96. */
  97. SceneLoader.Append = function (rootUrl, sceneFilename, scene, onsuccess, progressCallBack, onerror) {
  98. var plugin = this._getPluginForFilename(sceneFilename.name || sceneFilename);
  99. var database;
  100. if (SceneLoader.ShowLoadingScreen) {
  101. scene.getEngine().displayLoadingUI();
  102. }
  103. var loadSceneFromData = function (data) {
  104. scene.database = database;
  105. if (!plugin.load(scene, data, rootUrl)) {
  106. if (onerror) {
  107. onerror(scene);
  108. }
  109. scene.getEngine().hideLoadingUI();
  110. return;
  111. }
  112. if (onsuccess) {
  113. onsuccess(scene);
  114. }
  115. if (SceneLoader.ShowLoadingScreen) {
  116. scene.executeWhenReady(function () {
  117. scene.getEngine().hideLoadingUI();
  118. });
  119. }
  120. };
  121. var manifestChecked = function (success) {
  122. BABYLON.Tools.LoadFile(rootUrl + sceneFilename, loadSceneFromData, progressCallBack, database);
  123. };
  124. if (sceneFilename.substr && sceneFilename.substr(0, 5) === "data:") {
  125. // Direct load
  126. loadSceneFromData(sceneFilename.substr(5));
  127. return;
  128. }
  129. if (rootUrl.indexOf("file:") === -1) {
  130. // Checking if a manifest file has been set for this scene and if offline mode has been requested
  131. database = new BABYLON.Database(rootUrl + sceneFilename, manifestChecked);
  132. }
  133. else {
  134. BABYLON.Tools.ReadFile(sceneFilename, loadSceneFromData, progressCallBack);
  135. }
  136. };
  137. // Flags
  138. SceneLoader._ForceFullSceneLoadingForIncremental = false;
  139. SceneLoader._ShowLoadingScreen = true;
  140. // Members
  141. SceneLoader._registeredPlugins = new Array();
  142. return SceneLoader;
  143. })();
  144. BABYLON.SceneLoader = SceneLoader;
  145. ;
  146. })(BABYLON || (BABYLON = {}));
  147. //# sourceMappingURL=../Loading/babylon.sceneLoader.js.map