SEA3D.js 56 KB

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  1. /**
  2. * SEA3D SDK
  3. * @author Sunag / http://www.sunag.com.br/
  4. */
  5. 'use strict';
  6. var SEA3D = { VERSION: 18100 };
  7. SEA3D.getVersion = function () {
  8. // Max = 16777215 - VV.S.S.BB | V = Version | S = Subversion | B = Buildversion
  9. var v = SEA3D.VERSION.toString(), l = v.length;
  10. return v.substring( 0, l - 4 ) + "." + v.substring( l - 4, l - 3 ) + "." + v.substring( l - 3, l - 2 ) + "." + parseFloat( v.substring( l - 2, l ) ).toString();
  11. };
  12. console.log( 'SEA3D ' + SEA3D.getVersion() );
  13. //
  14. // STREAM : STANDARD DATA-IO ( LITTLE-ENDIAN )
  15. //
  16. SEA3D.Stream = function ( buffer ) {
  17. this.position = 0;
  18. this.buffer = buffer || new ArrayBuffer();
  19. };
  20. SEA3D.Stream.NONE = 0;
  21. // 1D = 0 at 31
  22. SEA3D.Stream.BOOLEAN = 1;
  23. SEA3D.Stream.BYTE = 2;
  24. SEA3D.Stream.UBYTE = 3;
  25. SEA3D.Stream.SHORT = 4;
  26. SEA3D.Stream.USHORT = 5;
  27. SEA3D.Stream.INT24 = 6;
  28. SEA3D.Stream.UINT24 = 7;
  29. SEA3D.Stream.INT = 8;
  30. SEA3D.Stream.UINT = 9;
  31. SEA3D.Stream.FLOAT = 10;
  32. SEA3D.Stream.DOUBLE = 11;
  33. SEA3D.Stream.DECIMAL = 12;
  34. // 2D = 32 at 63
  35. // 3D = 64 at 95
  36. SEA3D.Stream.VECTOR3D = 74;
  37. // 4D = 96 at 127
  38. SEA3D.Stream.VECTOR4D = 106;
  39. // Undefined Size = 128 at 255
  40. SEA3D.Stream.STRING_TINY = 128;
  41. SEA3D.Stream.STRING_SHORT = 129;
  42. SEA3D.Stream.STRING_LONG = 130;
  43. SEA3D.Stream.ASSET = 200;
  44. SEA3D.Stream.GROUP = 255;
  45. SEA3D.Stream.BLEND_MODE = [
  46. "normal", "add", "subtract", "multiply", "dividing", "mix", "alpha", "screen", "darken",
  47. "overlay", "colorburn", "linearburn", "lighten", "colordodge", "lineardodge",
  48. "softlight", "hardlight", "pinlight", "spotlight", "spotlightblend", "hardmix",
  49. "average", "difference", "exclusion", "hue", "saturation", "color", "value",
  50. "linearlight", "grainextract", "reflect", "glow", "darkercolor", "lightercolor", "phoenix", "negation"
  51. ];
  52. SEA3D.Stream.INTERPOLATION_TABLE = [
  53. "normal", "linear",
  54. "sine.in", "sine.out", "sine.inout",
  55. "cubic.in", "cubic.out", "cubic.inout",
  56. "quint.in", "quint.out", "quint.inout",
  57. "circ.in", "circ.out", "circ.inout",
  58. "back.in", "back.out", "back.inout",
  59. "quad.in", "quad.out", "quad.inout",
  60. "quart.in", "quart.out", "quart.inout",
  61. "expo.in", "expo.out", "expo.inout",
  62. "elastic.in", "elastic.out", "elastic.inout",
  63. "bounce.in", "bounce.out", "bounce.inout"
  64. ];
  65. SEA3D.Stream.sizeOf = function ( kind ) {
  66. if ( kind == 0 ) return 0;
  67. else if ( kind >= 1 && kind <= 31 ) return 1;
  68. else if ( kind >= 32 && kind <= 63 ) return 2;
  69. else if ( kind >= 64 && kind <= 95 ) return 3;
  70. else if ( kind >= 96 && kind <= 125 ) return 4;
  71. return - 1;
  72. };
  73. SEA3D.Stream.prototype = {
  74. constructor: SEA3D.Stream,
  75. set buffer( val ) {
  76. this.buf = val;
  77. this.length = val.byteLength;
  78. this.data = new DataView( val );
  79. },
  80. get buffer() {
  81. return this.buf;
  82. },
  83. get bytesAvailable() {
  84. return this.length - this.position;
  85. }
  86. };
  87. SEA3D.Stream.prototype.getByte = function ( pos ) {
  88. return this.data.getInt8( pos );
  89. };
  90. SEA3D.Stream.prototype.readBytes = function ( len ) {
  91. var buf = this.buf.slice( this.position, this.position + len );
  92. this.position += len;
  93. return buf;
  94. };
  95. SEA3D.Stream.prototype.readByte = function () {
  96. return this.data.getInt8( this.position ++ );
  97. };
  98. SEA3D.Stream.prototype.readUByte = function () {
  99. return this.data.getUint8( this.position ++ );
  100. };
  101. SEA3D.Stream.prototype.readBool = function () {
  102. return this.data.getInt8( this.position ++ ) != 0;
  103. };
  104. SEA3D.Stream.prototype.readShort = function () {
  105. var v = this.data.getInt16( this.position, true );
  106. this.position += 2;
  107. return v;
  108. };
  109. SEA3D.Stream.prototype.readUShort = function () {
  110. var v = this.data.getUint16( this.position, true );
  111. this.position += 2;
  112. return v;
  113. };
  114. SEA3D.Stream.prototype.readUInt24 = function () {
  115. var v = this.data.getUint32( this.position, true ) & 0xFFFFFF;
  116. this.position += 3;
  117. return v;
  118. };
  119. SEA3D.Stream.prototype.readUInt24F = function () {
  120. return this.readUShort() | ( this.readUByte() << 16 );
  121. };
  122. SEA3D.Stream.prototype.readInt = function () {
  123. var v = this.data.getInt32( this.position, true );
  124. this.position += 4;
  125. return v;
  126. };
  127. SEA3D.Stream.prototype.readUInt = function () {
  128. var v = this.data.getUint32( this.position, true );
  129. this.position += 4;
  130. return v;
  131. };
  132. SEA3D.Stream.prototype.readFloat = function () {
  133. var v = this.data.getFloat32( this.position, true );
  134. this.position += 4;
  135. return v;
  136. };
  137. SEA3D.Stream.prototype.readUInteger = function () {
  138. var v = this.readUByte(),
  139. r = v & 0x7F;
  140. if ( ( v & 0x80 ) != 0 ) {
  141. v = this.readUByte();
  142. r |= ( v & 0x7F ) << 7;
  143. if ( ( v & 0x80 ) != 0 ) {
  144. v = this.readUByte();
  145. r |= ( v & 0x7F ) << 13;
  146. }
  147. }
  148. return r;
  149. };
  150. SEA3D.Stream.prototype.readVector2 = function () {
  151. return { x: this.readFloat(), y: this.readFloat() };
  152. };
  153. SEA3D.Stream.prototype.readVector3 = function () {
  154. return { x: this.readFloat(), y: this.readFloat(), z: this.readFloat() };
  155. };
  156. SEA3D.Stream.prototype.readVector4 = function () {
  157. return { x: this.readFloat(), y: this.readFloat(), z: this.readFloat(), w: this.readFloat() };
  158. };
  159. SEA3D.Stream.prototype.readMatrix = function () {
  160. var mtx = new Float32Array( 16 );
  161. mtx[ 0 ] = this.readFloat();
  162. mtx[ 1 ] = this.readFloat();
  163. mtx[ 2 ] = this.readFloat();
  164. mtx[ 3 ] = 0.0;
  165. mtx[ 4 ] = this.readFloat();
  166. mtx[ 5 ] = this.readFloat();
  167. mtx[ 6 ] = this.readFloat();
  168. mtx[ 7 ] = 0.0;
  169. mtx[ 8 ] = this.readFloat();
  170. mtx[ 9 ] = this.readFloat();
  171. mtx[ 10 ] = this.readFloat();
  172. mtx[ 11 ] = 0.0;
  173. mtx[ 12 ] = this.readFloat();
  174. mtx[ 13 ] = this.readFloat();
  175. mtx[ 14 ] = this.readFloat();
  176. mtx[ 15 ] = 1.0;
  177. return mtx;
  178. };
  179. SEA3D.Stream.prototype.readUTF8 = function ( len ) {
  180. var buffer = this.readBytes( len );
  181. if ( window.TextDecoder ) {
  182. return new TextDecoder().decode( buffer );
  183. } else {
  184. return decodeURIComponent( escape( String.fromCharCode.apply( null, new Uint8Array( buffer ) ) ) );
  185. }
  186. };
  187. SEA3D.Stream.prototype.readExt = function () {
  188. return this.readUTF8( 4 ).replace( /\0/g, "" );
  189. };
  190. SEA3D.Stream.prototype.readUTF8Tiny = function () {
  191. return this.readUTF8( this.readUByte() );
  192. };
  193. SEA3D.Stream.prototype.readUTF8Short = function () {
  194. return this.readUTF8( this.readUShort() );
  195. };
  196. SEA3D.Stream.prototype.readUTF8Long = function () {
  197. return this.readUTF8( this.readUInt() );
  198. };
  199. SEA3D.Stream.prototype.readUByteArray = function ( length ) {
  200. var v = new Uint8Array( length );
  201. SEA3D.Stream.memcpy(
  202. v.buffer,
  203. 0,
  204. this.buffer,
  205. this.position,
  206. length
  207. );
  208. this.position += length;
  209. return v;
  210. };
  211. SEA3D.Stream.prototype.readUShortArray = function ( length ) {
  212. var v = new Uint16Array( length ),
  213. len = length * 2;
  214. SEA3D.Stream.memcpy(
  215. v.buffer,
  216. 0,
  217. this.buffer,
  218. this.position,
  219. len
  220. );
  221. this.position += len;
  222. return v;
  223. };
  224. SEA3D.Stream.prototype.readUInt24Array = function ( length ) {
  225. var v = new Uint32Array( length );
  226. for ( var i = 0; i < length; i ++ ) {
  227. v[ i ] = this.readUInt24();
  228. }
  229. return v;
  230. };
  231. SEA3D.Stream.prototype.readUIntArray = function ( length ) {
  232. var v = new Uint32Array( length ),
  233. len = length * 4;
  234. SEA3D.Stream.memcpy(
  235. v.buffer,
  236. 0,
  237. this.buffer,
  238. this.position,
  239. len
  240. );
  241. this.position += len;
  242. return v;
  243. };
  244. SEA3D.Stream.prototype.readFloatArray = function ( length ) {
  245. var v = new Float32Array( length ),
  246. len = length * 4;
  247. SEA3D.Stream.memcpy(
  248. v.buffer,
  249. 0,
  250. this.buffer,
  251. this.position,
  252. len
  253. );
  254. this.position += len;
  255. return v;
  256. };
  257. SEA3D.Stream.prototype.readBlendMode = function () {
  258. return SEA3D.Stream.BLEND_MODE[ this.readUByte() ];
  259. };
  260. SEA3D.Stream.prototype.readInterpolation = function () {
  261. return SEA3D.Stream.INTERPOLATION_TABLE[ this.readUByte() ];
  262. };
  263. SEA3D.Stream.prototype.readTags = function ( callback ) {
  264. var numTag = this.readUByte();
  265. for ( var i = 0; i < numTag; ++ i ) {
  266. var kind = this.readUShort();
  267. var size = this.readUInt();
  268. var pos = this.position;
  269. callback( kind, this, size );
  270. this.position = pos += size;
  271. }
  272. };
  273. SEA3D.Stream.prototype.readProperties = function ( sea3d ) {
  274. var count = this.readUByte(),
  275. props = {}, types = {};
  276. props.__type = types;
  277. for ( var i = 0; i < count; i ++ ) {
  278. var name = this.readUTF8Tiny(),
  279. type = this.readUByte();
  280. types[ name ] = type;
  281. props[ name ] = type == SEA3D.Stream.GROUP ? this.readProperties( sea3d ) : this.readToken( type, sea3d );
  282. }
  283. return props;
  284. };
  285. SEA3D.Stream.prototype.readAnimationList = function ( sea3d ) {
  286. var list = [],
  287. count = this.readUByte();
  288. var i = 0;
  289. while ( i < count ) {
  290. var attrib = this.readUByte(),
  291. anm = {};
  292. anm.relative = ( attrib & 1 ) != 0;
  293. if ( attrib & 2 ) anm.timeScale = this.readFloat();
  294. anm.tag = sea3d.getObject( this.readUInt() );
  295. list[ i ++ ] = anm;
  296. }
  297. return list;
  298. };
  299. SEA3D.Stream.prototype.readScriptList = function ( sea3d ) {
  300. var list = [],
  301. count = this.readUByte();
  302. var i = 0;
  303. while ( i < count ) {
  304. var attrib = this.readUByte(),
  305. script = {};
  306. script.priority = ( attrib & 1 ) | ( attrib & 2 );
  307. if ( attrib & 4 ) {
  308. var numParams = this.readUByte();
  309. script.params = {};
  310. for ( var j = 0; j < numParams; j ++ ) {
  311. var name = this.readUTF8Tiny();
  312. script.params[ name ] = this.readObject( sea3d );
  313. }
  314. }
  315. if ( attrib & 8 ) {
  316. script.method = this.readUTF8Tiny();
  317. }
  318. script.tag = sea3d.getObject( this.readUInt() );
  319. list[ i ++ ] = script;
  320. }
  321. return list;
  322. };
  323. SEA3D.Stream.prototype.readObject = function ( sea3d ) {
  324. return this.readToken( this.readUByte(), sea3d );
  325. };
  326. SEA3D.Stream.prototype.readToken = function ( type, sea3d ) {
  327. switch ( type ) {
  328. // 1D
  329. case SEA3D.Stream.BOOLEAN:
  330. return this.readBool();
  331. break;
  332. case SEA3D.Stream.UBYTE:
  333. return this.readUByte();
  334. break;
  335. case SEA3D.Stream.USHORT:
  336. return this.readUShort();
  337. break;
  338. case SEA3D.Stream.UINT24:
  339. return this.readUInt24();
  340. break;
  341. case SEA3D.Stream.INT:
  342. return this.readInt();
  343. break;
  344. case SEA3D.Stream.UINT:
  345. return this.readUInt();
  346. break;
  347. case SEA3D.Stream.FLOAT:
  348. return this.readFloat();
  349. break;
  350. // 3D
  351. case SEA3D.Stream.VECTOR3D:
  352. return this.readVector3();
  353. break;
  354. // 4D
  355. case SEA3D.Stream.VECTOR4D:
  356. return this.readVector4();
  357. break;
  358. // Undefined Values
  359. case SEA3D.Stream.STRING_TINY:
  360. return this.readUTF8Tiny();
  361. break;
  362. case SEA3D.Stream.STRING_SHORT:
  363. return this.readUTF8Short();
  364. break;
  365. case SEA3D.Stream.STRING_LONG:
  366. return this.readUTF8Long();
  367. break;
  368. case SEA3D.Stream.ASSET:
  369. var asset = this.readUInt();
  370. return asset > 0 ? sea3d.getObject( asset - 1 ).tag : null;
  371. break;
  372. default:
  373. console.error( "DataType not found!" );
  374. }
  375. return null;
  376. };
  377. SEA3D.Stream.prototype.readVector = function ( type, length, offset ) {
  378. var size = SEA3D.Stream.sizeOf( type ),
  379. i = offset * size,
  380. count = i + ( length * size );
  381. switch ( type ) {
  382. // 1D
  383. case SEA3D.Stream.BOOLEAN:
  384. return this.readUByteArray( count );
  385. case SEA3D.Stream.UBYTE:
  386. return this.readUByteArray( count );
  387. case SEA3D.Stream.USHORT:
  388. return this.readUShortArray( count );
  389. case SEA3D.Stream.UINT24:
  390. return this.readUInt24Array( count );
  391. case SEA3D.Stream.UINT:
  392. return this.readUIntArray( count );
  393. case SEA3D.Stream.FLOAT:
  394. return this.readFloatArray( count );
  395. // 3D
  396. case SEA3D.Stream.VECTOR3D:
  397. return this.readFloatArray( count );
  398. // 4D
  399. case SEA3D.Stream.VECTOR4D:
  400. return this.readFloatArray( count );
  401. }
  402. };
  403. SEA3D.Stream.prototype.append = function ( data ) {
  404. var tmp = new ArrayBuffer( this.data.byteLength + data.byteLength );
  405. tmp.set( new ArrayBuffer( this.data ), 0 );
  406. tmp.set( new ArrayBuffer( data ), this.data.byteLength );
  407. this.data = tmp;
  408. };
  409. SEA3D.Stream.prototype.concat = function ( position, length ) {
  410. return new SEA3D.Stream( this.buffer.slice( position, position + length ) );
  411. };
  412. /**
  413. * @author DataStream.js
  414. */
  415. SEA3D.Stream.memcpy = function ( dst, dstOffset, src, srcOffset, byteLength ) {
  416. var dstU8 = new Uint8Array( dst, dstOffset, byteLength );
  417. var srcU8 = new Uint8Array( src, srcOffset, byteLength );
  418. dstU8.set( srcU8 );
  419. };
  420. //
  421. // UByteArray
  422. //
  423. SEA3D.UByteArray = function () {
  424. this.ubytes = [];
  425. this.length = 0;
  426. };
  427. SEA3D.UByteArray.prototype = {
  428. constructor: SEA3D.UByteArray,
  429. add: function ( ubytes ) {
  430. this.ubytes.push( ubytes );
  431. this.length += ubytes.byteLength;
  432. },
  433. toBuffer: function () {
  434. var memcpy = new Uint8Array( this.length );
  435. for ( var i = 0, offset = 0; i < this.ubytes.length; i ++ ) {
  436. memcpy.set( this.ubytes[ i ], offset );
  437. offset += this.ubytes[ i ].byteLength;
  438. }
  439. return memcpy.buffer;
  440. }
  441. };
  442. //
  443. // Math
  444. //
  445. SEA3D.Math = {
  446. DEGREES: 180 / Math.PI,
  447. RADIANS: Math.PI / 180
  448. };
  449. SEA3D.Math.angle = function ( val ) {
  450. var ang = 180,
  451. inv = val < 0;
  452. val = ( inv ? - val : val ) % 360;
  453. if ( val > ang ) {
  454. val = - ang + ( val - ang );
  455. }
  456. return ( inv ? - val : val );
  457. };
  458. SEA3D.Math.lerpAngle = function ( val, tar, t ) {
  459. if ( Math.abs( val - tar ) > 180 ) {
  460. if ( val > tar ) {
  461. tar += 360;
  462. } else {
  463. tar -= 360;
  464. }
  465. }
  466. val += ( tar - val ) * t;
  467. return SEA3D.Math.angle( val );
  468. };
  469. SEA3D.Math.lerpColor = function ( val, tar, t ) {
  470. var a0 = val >> 24 & 0xff,
  471. r0 = val >> 16 & 0xff,
  472. g0 = val >> 8 & 0xff,
  473. b0 = val & 0xff;
  474. var a1 = tar >> 24 & 0xff,
  475. r1 = tar >> 16 & 0xff,
  476. g1 = tar >> 8 & 0xff,
  477. b1 = tar & 0xff;
  478. a0 += ( a1 - a0 ) * t;
  479. r0 += ( r1 - r0 ) * t;
  480. g0 += ( g1 - g0 ) * t;
  481. b0 += ( b1 - b0 ) * t;
  482. return a0 << 24 | r0 << 16 | g0 << 8 | b0;
  483. };
  484. SEA3D.Math.lerp = function ( val, tar, t ) {
  485. return val + ( ( tar - val ) * t );
  486. };
  487. SEA3D.Math.lerp1x = function ( val, tar, t ) {
  488. val[ 0 ] += ( tar[ 0 ] - val[ 0 ] ) * t;
  489. };
  490. SEA3D.Math.lerp3x = function ( val, tar, t ) {
  491. val[ 0 ] += ( tar[ 0 ] - val[ 0 ] ) * t;
  492. val[ 1 ] += ( tar[ 1 ] - val[ 1 ] ) * t;
  493. val[ 2 ] += ( tar[ 2 ] - val[ 2 ] ) * t;
  494. };
  495. SEA3D.Math.lerpAng1x = function ( val, tar, t ) {
  496. val[ 0 ] = SEA3D.Math.lerpAngle( val[ 0 ], tar[ 0 ], t );
  497. };
  498. SEA3D.Math.lerpColor1x = function ( val, tar, t ) {
  499. val[ 0 ] = SEA3D.Math.lerpColor( val[ 0 ], tar[ 0 ], t );
  500. };
  501. SEA3D.Math.lerpQuat4x = function ( val, tar, t ) {
  502. var x1 = val[ 0 ],
  503. y1 = val[ 1 ],
  504. z1 = val[ 2 ],
  505. w1 = val[ 3 ];
  506. var x2 = tar[ 0 ],
  507. y2 = tar[ 1 ],
  508. z2 = tar[ 2 ],
  509. w2 = tar[ 3 ];
  510. var x, y, z, w, l;
  511. // shortest direction
  512. if ( x1 * x2 + y1 * y2 + z1 * z2 + w1 * w2 < 0 ) {
  513. x2 = - x2;
  514. y2 = - y2;
  515. z2 = - z2;
  516. w2 = - w2;
  517. }
  518. x = x1 + t * ( x2 - x1 );
  519. y = y1 + t * ( y2 - y1 );
  520. z = z1 + t * ( z2 - z1 );
  521. w = w1 + t * ( w2 - w1 );
  522. l = 1.0 / Math.sqrt( w * w + x * x + y * y + z * z );
  523. val[ 0 ] = x * l;
  524. val[ 1 ] = y * l;
  525. val[ 2 ] = z * l;
  526. val[ 3 ] = w * l;
  527. };
  528. //
  529. // Timer
  530. //
  531. SEA3D.Timer = function () {
  532. this.time = this.start = Date.now();
  533. };
  534. SEA3D.Timer.prototype = {
  535. constructor: SEA3D.Timer,
  536. get now() {
  537. return Date.now();
  538. },
  539. get deltaTime() {
  540. return Date.now() - this.time;
  541. },
  542. get elapsedTime() {
  543. return Date.now() - this.start;
  544. },
  545. update: function () {
  546. this.time = Date.now();
  547. }
  548. };
  549. //
  550. // Object
  551. //
  552. SEA3D.Object = function ( name, data, type, sea3d ) {
  553. this.name = name;
  554. this.data = data;
  555. this.type = type;
  556. this.sea3d = sea3d;
  557. };
  558. //
  559. // Geometry Base
  560. //
  561. SEA3D.GeometryBase = function ( name, data, sea3d ) {
  562. this.name = name;
  563. this.data = data;
  564. this.sea3d = sea3d;
  565. this.attrib = data.readUShort();
  566. this.isBig = ( this.attrib & 1 ) != 0;
  567. // variable uint
  568. data.readVInt = this.isBig ? data.readUInt : data.readUShort;
  569. this.numVertex = data.readVInt();
  570. this.length = this.numVertex * 3;
  571. };
  572. //
  573. // Geometry
  574. //
  575. SEA3D.Geometry = function ( name, data, sea3d ) {
  576. SEA3D.GeometryBase.call( this, name, data, sea3d );
  577. var i, j, len;
  578. // NORMAL
  579. if ( this.attrib & 4 ) {
  580. this.normal = data.readFloatArray( this.length );
  581. }
  582. // TANGENT
  583. if ( this.attrib & 8 ) {
  584. this.tangent = data.readFloatArray( this.length );
  585. }
  586. // UV
  587. if ( this.attrib & 32 ) {
  588. this.uv = [];
  589. this.uv.length = data.readUByte();
  590. len = this.numVertex * 2;
  591. i = 0;
  592. while ( i < this.uv.length ) {
  593. // UV VERTEX DATA
  594. this.uv[ i ++ ] = data.readFloatArray( len );
  595. }
  596. }
  597. // JOINT-INDEXES / WEIGHTS
  598. if ( this.attrib & 64 ) {
  599. this.jointPerVertex = data.readUByte();
  600. var jntLen = this.numVertex * this.jointPerVertex;
  601. this.joint = data.readUShortArray( jntLen );
  602. this.weight = data.readFloatArray( jntLen );
  603. }
  604. // VERTEX_COLOR
  605. if ( this.attrib & 128 ) {
  606. var colorAttrib = data.readUByte();
  607. this.numColor = ( ( ( colorAttrib & 64 ) >> 6 ) | ( ( colorAttrib & 128 ) >> 6 ) ) + 1;
  608. this.color = [];
  609. for ( i = 0, len = colorAttrib & 15; i < len; i ++ ) {
  610. this.color.push( data.readFloatArray( this.numVertex * this.numColor ) );
  611. }
  612. }
  613. // VERTEX
  614. this.vertex = data.readFloatArray( this.length );
  615. // SUB-MESHES
  616. var count = data.readUByte();
  617. this.groups = [];
  618. if ( this.attrib & 1024 ) {
  619. // INDEXES
  620. for ( i = 0, len = 0; i < count; i ++ ) {
  621. j = data.readVInt() * 3;
  622. this.groups.push( {
  623. start: len,
  624. count: j,
  625. } );
  626. len += j;
  627. }
  628. this.indexes = this.isBig ? data.readUIntArray( len ) : data.readUShortArray( len );
  629. } else {
  630. // INDEXES
  631. var stride = this.isBig ? 4 : 2,
  632. bytearray = new SEA3D.UByteArray();
  633. for ( i = 0, j = 0; i < count; i ++ ) {
  634. len = data.readVInt() * 3;
  635. this.groups.push( {
  636. start: j,
  637. count: len,
  638. } );
  639. j += len;
  640. bytearray.add( data.readUByteArray( len * stride ) );
  641. }
  642. this.indexes = this.isBig ? new Uint32Array( bytearray.toBuffer() ) : new Uint16Array( bytearray.toBuffer() );
  643. }
  644. };
  645. SEA3D.Geometry.prototype = Object.create( SEA3D.GeometryBase.prototype );
  646. SEA3D.Geometry.prototype.constructor = SEA3D.Geometry;
  647. SEA3D.Geometry.prototype.type = "geo";
  648. //
  649. // Object3D
  650. //
  651. SEA3D.Object3D = function ( name, data, sea3d ) {
  652. this.name = name;
  653. this.data = data;
  654. this.sea3d = sea3d;
  655. this.isStatic = false;
  656. this.visible = true;
  657. this.attrib = data.readUShort();
  658. if ( this.attrib & 1 ) this.parent = sea3d.getObject( data.readUInt() );
  659. if ( this.attrib & 2 ) this.animations = data.readAnimationList( sea3d );
  660. if ( this.attrib & 4 ) this.scripts = data.readScriptList( sea3d );
  661. if ( this.attrib & 16 ) this.attributes = sea3d.getObject( data.readUInt() );
  662. if ( this.attrib & 32 ) {
  663. var objectType = data.readUByte();
  664. this.isStatic = ( objectType & 1 ) != 0;
  665. this.visible = ( objectType & 2 ) == 0;
  666. }
  667. };
  668. SEA3D.Object3D.prototype.readTag = function ( kind, data, size ) {
  669. };
  670. //
  671. // Entity3D
  672. //
  673. SEA3D.Entity3D = function ( name, data, sea3d ) {
  674. SEA3D.Object3D.call( this, name, data, sea3d );
  675. this.castShadows = true;
  676. if ( this.attrib & 64 ) {
  677. var lightType = data.readUByte();
  678. this.castShadows = ( lightType & 1 ) == 0;
  679. }
  680. };
  681. SEA3D.Entity3D.prototype = Object.create( SEA3D.Object3D.prototype );
  682. SEA3D.Entity3D.prototype.constructor = SEA3D.Entity3D;
  683. //
  684. // Sound3D
  685. //
  686. SEA3D.Sound3D = function ( name, data, sea3d ) {
  687. SEA3D.Object3D.call( this, name, data, sea3d );
  688. this.autoPlay = ( this.attrib & 64 ) != 0;
  689. if ( this.attrib & 128 ) this.mixer = sea3d.getObject( data.readUInt() );
  690. this.sound = sea3d.getObject( data.readUInt() );
  691. this.volume = data.readFloat();
  692. };
  693. SEA3D.Sound3D.prototype = Object.create( SEA3D.Object3D.prototype );
  694. SEA3D.Sound3D.prototype.constructor = SEA3D.Sound3D;
  695. //
  696. // Sound Point
  697. //
  698. SEA3D.SoundPoint = function ( name, data, sea3d ) {
  699. SEA3D.Sound3D.call( this, name, data, sea3d );
  700. this.position = data.readVector3();
  701. this.distance = data.readFloat();
  702. data.readTags( this.readTag.bind( this ) );
  703. };
  704. SEA3D.SoundPoint.prototype = Object.create( SEA3D.Sound3D.prototype );
  705. SEA3D.SoundPoint.prototype.constructor = SEA3D.SoundPoint;
  706. SEA3D.SoundPoint.prototype.type = "sp";
  707. //
  708. // Container3D
  709. //
  710. SEA3D.Container3D = function ( name, data, sea3d ) {
  711. SEA3D.Object3D.call( this, name, data, sea3d );
  712. this.transform = data.readMatrix();
  713. data.readTags( this.readTag.bind( this ) );
  714. };
  715. SEA3D.Container3D.prototype = Object.create( SEA3D.Object3D.prototype );
  716. SEA3D.Container3D.prototype.constructor = SEA3D.Container3D;
  717. SEA3D.Container3D.prototype.type = "c3d";
  718. //
  719. // Script URL
  720. //
  721. SEA3D.ScriptURL = function ( name, data, sea3d ) {
  722. this.name = name;
  723. this.data = data;
  724. this.sea3d = sea3d;
  725. this.url = data.readUTF8( data.length );
  726. };
  727. SEA3D.ScriptURL.prototype.type = "src";
  728. //
  729. // Texture URL
  730. //
  731. SEA3D.TextureURL = function ( name, data, sea3d ) {
  732. this.name = name;
  733. this.data = data;
  734. this.sea3d = sea3d;
  735. this.url = data.readUTF8( data.length );
  736. };
  737. SEA3D.TextureURL.prototype.type = "urlT";
  738. //
  739. // CubeMap URL
  740. //
  741. SEA3D.CubeMapURL = function ( name, data, sea3d ) {
  742. this.name = name;
  743. this.data = data;
  744. this.sea3d = sea3d;
  745. this.faces = [];
  746. for ( var i = 0; i < 6; i ++ ) {
  747. this.faces[ i ] = data.readUTF8Tiny();
  748. }
  749. };
  750. SEA3D.CubeMapURL.prototype.type = "cURL";
  751. //
  752. // Actions
  753. //
  754. SEA3D.Actions = function ( name, data, sea3d ) {
  755. this.name = name;
  756. this.data = data;
  757. this.sea3d = sea3d;
  758. this.count = data.readUInt();
  759. this.actions = [];
  760. for ( var i = 0; i < this.count; i ++ ) {
  761. var flag = data.readUByte();
  762. var kind = data.readUShort();
  763. var size = data.readUShort();
  764. var position = data.position;
  765. var act = this.actions[ i ] = { kind: kind };
  766. // range of animation
  767. if ( flag & 1 ) {
  768. // start and count in frames
  769. act.range = [ data.readUInt(), data.readUInt() ];
  770. }
  771. // time
  772. if ( flag & 2 ) {
  773. act.time = data.readUInt();
  774. }
  775. // easing
  776. if ( flag & 4 ) {
  777. act.intrpl = data.readInterpolation();
  778. if ( act.intrpl.indexOf( 'back.' ) == 0 ) {
  779. act.intrplParam0 = data.readFloat();
  780. } else if ( act.intrpl.indexOf( 'elastic.' ) == 0 ) {
  781. act.intrplParam0 = data.readFloat();
  782. act.intrplParam1 = data.readFloat();
  783. }
  784. }
  785. switch ( kind ) {
  786. case SEA3D.Actions.RTT_TARGET:
  787. act.source = sea3d.getObject( data.readUInt() );
  788. act.target = sea3d.getObject( data.readUInt() );
  789. break;
  790. case SEA3D.Actions.LOOK_AT:
  791. act.source = sea3d.getObject( data.readUInt() );
  792. act.target = sea3d.getObject( data.readUInt() );
  793. break;
  794. case SEA3D.Actions.PLAY_SOUND:
  795. act.sound = sea3d.getObject( data.readUInt() );
  796. act.offset = data.readUInt();
  797. break;
  798. case SEA3D.Actions.PLAY_ANIMATION:
  799. act.object = sea3d.getObject( data.readUInt() );
  800. act.name = data.readUTF8Tiny();
  801. break;
  802. case SEA3D.Actions.FOG:
  803. act.color = data.readUInt24();
  804. act.min = data.readFloat();
  805. act.max = data.readFloat();
  806. break;
  807. case SEA3D.Actions.ENVIRONMENT:
  808. act.texture = sea3d.getObject( data.readUInt() );
  809. break;
  810. case SEA3D.Actions.ENVIRONMENT_COLOR:
  811. act.color = data.readUInt24F();
  812. break;
  813. case SEA3D.Actions.CAMERA:
  814. act.camera = sea3d.getObject( data.readUInt() );
  815. break;
  816. case SEA3D.Actions.SCRIPTS:
  817. act.scripts = data.readScriptList( sea3d );
  818. break;
  819. case SEA3D.Actions.CLASS_OF:
  820. act.classof = sea3d.getObject( data.readUInt() );
  821. break;
  822. case SEA3D.Actions.ATTRIBUTES:
  823. act.attributes = sea3d.getObject( data.readUInt() );
  824. break;
  825. default:
  826. console.log( "Action \"" + kind + "\" not found." );
  827. break;
  828. }
  829. data.position = position + size;
  830. }
  831. };
  832. SEA3D.Actions.SCENE = 0;
  833. SEA3D.Actions.ENVIRONMENT_COLOR = 1;
  834. SEA3D.Actions.ENVIRONMENT = 2;
  835. SEA3D.Actions.FOG = 3;
  836. SEA3D.Actions.PLAY_ANIMATION = 4;
  837. SEA3D.Actions.PLAY_SOUND = 5;
  838. SEA3D.Actions.ANIMATION_AUDIO_SYNC = 6;
  839. SEA3D.Actions.LOOK_AT = 7;
  840. SEA3D.Actions.RTT_TARGET = 8;
  841. SEA3D.Actions.CAMERA = 9;
  842. SEA3D.Actions.SCRIPTS = 10;
  843. SEA3D.Actions.CLASS_OF = 11;
  844. SEA3D.Actions.ATTRIBUTES = 12;
  845. SEA3D.Actions.prototype.type = "act";
  846. //
  847. // Properties
  848. //
  849. SEA3D.Properties = function ( name, data, sea3d ) {
  850. this.name = name;
  851. this.data = data;
  852. this.sea3d = sea3d;
  853. this.tag = data.readProperties( sea3d );
  854. this.tag.__name = name;
  855. };
  856. SEA3D.Properties.prototype.type = "prop";
  857. //
  858. // File Info
  859. //
  860. SEA3D.FileInfo = function ( name, data, sea3d ) {
  861. this.name = name;
  862. this.data = data;
  863. this.sea3d = sea3d;
  864. this.tag = data.readProperties( sea3d );
  865. this.tag.__name = name;
  866. sea3d.info = this.tag;
  867. };
  868. SEA3D.FileInfo.prototype.type = "info";
  869. //
  870. // Java Script
  871. //
  872. SEA3D.JavaScript = function ( name, data, sea3d ) {
  873. this.name = name;
  874. this.data = data;
  875. this.sea3d = sea3d;
  876. this.src = data.readUTF8( data.length );
  877. };
  878. SEA3D.JavaScript.prototype.type = "js";
  879. //
  880. // Java Script Method
  881. //
  882. SEA3D.JavaScriptMethod = function ( name, data, sea3d ) {
  883. this.name = name;
  884. this.data = data;
  885. this.sea3d = sea3d;
  886. var count = data.readUShort();
  887. this.methods = {};
  888. for ( var i = 0; i < count; i ++ ) {
  889. var flag = data.readUByte();
  890. var method = data.readUTF8Tiny();
  891. this.methods[ method ] = {
  892. src: data.readUTF8Long()
  893. };
  894. }
  895. };
  896. SEA3D.JavaScriptMethod.prototype.type = "jsm";
  897. //
  898. // GLSL
  899. //
  900. SEA3D.GLSL = function ( name, data, sea3d ) {
  901. this.name = name;
  902. this.data = data;
  903. this.sea3d = sea3d;
  904. this.src = data.readUTF8( data.length );
  905. };
  906. SEA3D.GLSL.prototype.type = "glsl";
  907. //
  908. // Dummy
  909. //
  910. SEA3D.Dummy = function ( name, data, sea3d ) {
  911. SEA3D.Object3D.call( this, name, data, sea3d );
  912. this.transform = data.readMatrix();
  913. this.width = data.readFloat();
  914. this.height = data.readFloat();
  915. this.depth = data.readFloat();
  916. data.readTags( this.readTag.bind( this ) );
  917. };
  918. SEA3D.Dummy.prototype = Object.create( SEA3D.Object3D.prototype );
  919. SEA3D.Dummy.prototype.constructor = SEA3D.Dummy;
  920. SEA3D.Dummy.prototype.type = "dmy";
  921. //
  922. // Line
  923. //
  924. SEA3D.Line = function ( name, data, sea3d ) {
  925. SEA3D.Object3D.call( this, name, data, sea3d );
  926. this.count = ( this.attrib & 64 ? data.readUInt() : data.readUShort() ) * 3;
  927. this.closed = ( this.attrib & 128 ) != 0;
  928. this.transform = data.readMatrix();
  929. this.vertex = [];
  930. var i = 0;
  931. while ( i < this.count ) {
  932. this.vertex[ i ++ ] = data.readFloat();
  933. }
  934. data.readTags( this.readTag.bind( this ) );
  935. };
  936. SEA3D.Line.prototype = Object.create( SEA3D.Object3D.prototype );
  937. SEA3D.Line.prototype.constructor = SEA3D.Line;
  938. SEA3D.Line.prototype.type = "line";
  939. //
  940. // Sprite
  941. //
  942. SEA3D.Sprite = function ( name, data, sea3d ) {
  943. SEA3D.Object3D.call( this, name, data, sea3d );
  944. if ( this.attrib & 256 ) {
  945. this.material = sea3d.getObject( data.readUInt() );
  946. }
  947. this.position = data.readVector3();
  948. this.width = data.readFloat();
  949. this.height = data.readFloat();
  950. data.readTags( this.readTag.bind( this ) );
  951. };
  952. SEA3D.Sprite.prototype = Object.create( SEA3D.Object3D.prototype );
  953. SEA3D.Sprite.prototype.constructor = SEA3D.Sprite;
  954. SEA3D.Sprite.prototype.type = "m2d";
  955. //
  956. // Mesh
  957. //
  958. SEA3D.Mesh = function ( name, data, sea3d ) {
  959. SEA3D.Entity3D.call( this, name, data, sea3d );
  960. // MATERIAL
  961. if ( this.attrib & 256 ) {
  962. this.material = [];
  963. var len = data.readUByte();
  964. if ( len == 1 ) this.material[ 0 ] = sea3d.getObject( data.readUInt() );
  965. else {
  966. var i = 0;
  967. while ( i < len ) {
  968. var matIndex = data.readUInt();
  969. if ( matIndex > 0 ) this.material[ i ++ ] = sea3d.getObject( matIndex - 1 );
  970. else this.material[ i ++ ] = undefined;
  971. }
  972. }
  973. }
  974. if ( this.attrib & 512 ) {
  975. this.modifiers = [];
  976. var len = data.readUByte();
  977. for ( var i = 0; i < len; i ++ ) {
  978. this.modifiers[ i ] = sea3d.getObject( data.readUInt() );
  979. }
  980. }
  981. if ( this.attrib & 1024 ) {
  982. this.reference = {
  983. type: data.readUByte(),
  984. ref: sea3d.getObject( data.readUInt() )
  985. };
  986. }
  987. this.transform = data.readMatrix();
  988. this.geometry = sea3d.getObject( data.readUInt() );
  989. data.readTags( this.readTag.bind( this ) );
  990. };
  991. SEA3D.Mesh.prototype = Object.create( SEA3D.Entity3D.prototype );
  992. SEA3D.Mesh.prototype.constructor = SEA3D.Mesh;
  993. SEA3D.Mesh.prototype.type = "m3d";
  994. //
  995. // Skeleton
  996. //
  997. SEA3D.Skeleton = function ( name, data, sea3d ) {
  998. this.name = name;
  999. this.data = data;
  1000. this.sea3d = sea3d;
  1001. var length = data.readUShort();
  1002. this.joint = [];
  1003. for ( var i = 0; i < length; i ++ ) {
  1004. this.joint[ i ] = {
  1005. name: data.readUTF8Tiny(),
  1006. parentIndex: data.readUShort() - 1,
  1007. inverseBindMatrix: data.readMatrix()
  1008. };
  1009. }
  1010. };
  1011. SEA3D.Skeleton.prototype.type = "skl";
  1012. //
  1013. // Skeleton Local
  1014. //
  1015. SEA3D.SkeletonLocal = function ( name, data, sea3d ) {
  1016. this.name = name;
  1017. this.data = data;
  1018. this.sea3d = sea3d;
  1019. var length = data.readUShort();
  1020. this.joint = [];
  1021. for ( var i = 0; i < length; i ++ ) {
  1022. this.joint[ i ] = {
  1023. name: data.readUTF8Tiny(),
  1024. parentIndex: data.readUShort() - 1,
  1025. // POSITION XYZ
  1026. x: data.readFloat(),
  1027. y: data.readFloat(),
  1028. z: data.readFloat(),
  1029. // QUATERNION XYZW
  1030. qx: data.readFloat(),
  1031. qy: data.readFloat(),
  1032. qz: data.readFloat(),
  1033. qw: data.readFloat()
  1034. };
  1035. }
  1036. };
  1037. SEA3D.SkeletonLocal.prototype.type = "sklq";
  1038. //
  1039. // Animation Base
  1040. //
  1041. SEA3D.AnimationBase = function ( name, data, sea3d ) {
  1042. this.name = name;
  1043. this.data = data;
  1044. this.sea3d = sea3d;
  1045. var flag = data.readUByte();
  1046. this.sequence = [];
  1047. if ( flag & 1 ) {
  1048. var count = data.readUShort();
  1049. for ( var i = 0; i < count; i ++ ) {
  1050. flag = data.readUByte();
  1051. this.sequence[ i ] = {
  1052. name: data.readUTF8Tiny(),
  1053. start: data.readUInt(),
  1054. count: data.readUInt(),
  1055. repeat: ( flag & 1 ) != 0,
  1056. intrpl: ( flag & 2 ) == 0
  1057. };
  1058. }
  1059. }
  1060. this.frameRate = data.readUByte();
  1061. this.numFrames = data.readUInt();
  1062. // no contains sequence
  1063. if ( this.sequence.length == 0 ) {
  1064. this.sequence[ 0 ] = { name: "root", start: 0, count: this.numFrames, repeat: true, intrpl: true };
  1065. }
  1066. };
  1067. //
  1068. // Animation
  1069. //
  1070. SEA3D.Animation = function ( name, data, sea3d ) {
  1071. SEA3D.AnimationBase.call( this, name, data, sea3d );
  1072. this.dataList = [];
  1073. for ( var i = 0, l = data.readUByte(); i < l; i ++ ) {
  1074. var kind = data.readUShort(),
  1075. type = data.readUByte();
  1076. var anmRaw = data.readVector( type, this.numFrames, 0 );
  1077. this.dataList.push( {
  1078. kind: kind,
  1079. type: type,
  1080. blockSize: SEA3D.Stream.sizeOf( type ),
  1081. data: anmRaw
  1082. } );
  1083. }
  1084. };
  1085. SEA3D.Animation.POSITION = 0;
  1086. SEA3D.Animation.ROTATION = 1;
  1087. SEA3D.Animation.SCALE = 2;
  1088. SEA3D.Animation.COLOR = 3;
  1089. SEA3D.Animation.MULTIPLIER = 4;
  1090. SEA3D.Animation.ATTENUATION_START = 5;
  1091. SEA3D.Animation.ATTENUATION_END = 6;
  1092. SEA3D.Animation.FOV = 7;
  1093. SEA3D.Animation.OFFSET_U = 8;
  1094. SEA3D.Animation.OFFSET_V = 9;
  1095. SEA3D.Animation.SCALE_U = 10;
  1096. SEA3D.Animation.SCALE_V = 11;
  1097. SEA3D.Animation.ANGLE = 12;
  1098. SEA3D.Animation.ALPHA = 13;
  1099. SEA3D.Animation.VOLUME = 14;
  1100. SEA3D.Animation.DefaultLerpFuncs = [
  1101. SEA3D.Math.lerp3x, // POSITION
  1102. SEA3D.Math.lerpQuat4x, // ROTATION
  1103. SEA3D.Math.lerp3x, // SCALE
  1104. SEA3D.Math.lerpColor1x, // COLOR
  1105. SEA3D.Math.lerp1x, // MULTIPLIER
  1106. SEA3D.Math.lerp1x, // ATTENUATION_START
  1107. SEA3D.Math.lerp1x, // ATTENUATION_END
  1108. SEA3D.Math.lerp1x, // FOV
  1109. SEA3D.Math.lerp1x, // OFFSET_U
  1110. SEA3D.Math.lerp1x, // OFFSET_V
  1111. SEA3D.Math.lerp1x, // SCALE_U
  1112. SEA3D.Math.lerp1x, // SCALE_V
  1113. SEA3D.Math.lerpAng1x, // ANGLE
  1114. SEA3D.Math.lerp1x, // ALPHA
  1115. SEA3D.Math.lerp1x // VOLUME
  1116. ];
  1117. SEA3D.Animation.prototype = Object.create( SEA3D.AnimationBase.prototype );
  1118. SEA3D.Animation.prototype.constructor = SEA3D.Animation;
  1119. SEA3D.Animation.prototype.type = "anm";
  1120. //
  1121. // Skeleton Animation
  1122. //
  1123. SEA3D.SkeletonAnimation = function ( name, data, sea3d ) {
  1124. SEA3D.AnimationBase.call( this, name, data, sea3d );
  1125. this.name = name;
  1126. this.data = data;
  1127. this.sea3d = sea3d;
  1128. this.numJoints = data.readUShort();
  1129. this.raw = data.readFloatArray( this.numFrames * this.numJoints * 7 );
  1130. };
  1131. SEA3D.SkeletonAnimation.prototype.type = "skla";
  1132. //
  1133. // Morph
  1134. //
  1135. SEA3D.Morph = function ( name, data, sea3d ) {
  1136. SEA3D.GeometryBase.call( this, name, data, sea3d );
  1137. var useVertex = ( this.attrib & 2 ) != 0;
  1138. var useNormal = ( this.attrib & 4 ) != 0;
  1139. var nodeCount = data.readUShort();
  1140. this.node = [];
  1141. for ( var i = 0; i < nodeCount; i ++ ) {
  1142. var nodeName = data.readUTF8Tiny(),
  1143. verts, norms;
  1144. if ( useVertex ) verts = data.readFloatArray( this.length );
  1145. if ( useNormal ) norms = data.readFloatArray( this.length );
  1146. this.node[ i ] = { vertex: verts, normal: norms, name: nodeName };
  1147. }
  1148. };
  1149. SEA3D.Morph.prototype = Object.create( SEA3D.GeometryBase.prototype );
  1150. SEA3D.Morph.prototype.constructor = SEA3D.Morph;
  1151. SEA3D.Morph.prototype.type = "mph";
  1152. //
  1153. // Vertex Animation
  1154. //
  1155. SEA3D.VertexAnimation = function ( name, data, sea3d ) {
  1156. SEA3D.AnimationBase.call( this, name, data, sea3d );
  1157. var flags = data.readUByte();
  1158. this.isBig = ( flags & 1 ) != 0;
  1159. data.readVInt = this.isBig ? data.readUInt : data.readUShort;
  1160. this.numVertex = data.readVInt();
  1161. this.length = this.numVertex * 3;
  1162. var useVertex = ( flags & 2 ) != 0;
  1163. var useNormal = ( flags & 4 ) != 0;
  1164. this.frame = [];
  1165. var i, verts, norms;
  1166. for ( i = 0; i < this.numFrames; i ++ ) {
  1167. if ( useVertex ) verts = data.readFloatArray( this.length );
  1168. if ( useNormal ) norms = data.readFloatArray( this.length );
  1169. this.frame[ i ] = { vertex: verts, normal: norms };
  1170. }
  1171. };
  1172. SEA3D.VertexAnimation.prototype = Object.create( SEA3D.AnimationBase.prototype );
  1173. SEA3D.VertexAnimation.prototype.constructor = SEA3D.VertexAnimation;
  1174. SEA3D.VertexAnimation.prototype.type = "vtxa";
  1175. //
  1176. // Camera
  1177. //
  1178. SEA3D.Camera = function ( name, data, sea3d ) {
  1179. SEA3D.Object3D.call( this, name, data, sea3d );
  1180. if ( this.attrib & 64 ) {
  1181. this.dof = {
  1182. distance: data.readFloat(),
  1183. range: data.readFloat()
  1184. };
  1185. }
  1186. this.transform = data.readMatrix();
  1187. this.fov = data.readFloat();
  1188. data.readTags( this.readTag.bind( this ) );
  1189. };
  1190. SEA3D.Camera.prototype = Object.create( SEA3D.Object3D.prototype );
  1191. SEA3D.Camera.prototype.constructor = SEA3D.Camera;
  1192. SEA3D.Camera.prototype.type = "cam";
  1193. //
  1194. // Orthographic Camera
  1195. //
  1196. SEA3D.OrthographicCamera = function ( name, data, sea3d ) {
  1197. SEA3D.Object3D.call( this, name, data, sea3d );
  1198. this.transform = data.readMatrix();
  1199. this.height = data.readFloat();
  1200. data.readTags( this.readTag.bind( this ) );
  1201. };
  1202. SEA3D.OrthographicCamera.prototype = Object.create( SEA3D.Object3D.prototype );
  1203. SEA3D.OrthographicCamera.prototype.constructor = SEA3D.OrthographicCamera;
  1204. SEA3D.OrthographicCamera.prototype.type = "camo";
  1205. //
  1206. // Joint Object
  1207. //
  1208. SEA3D.JointObject = function ( name, data, sea3d ) {
  1209. SEA3D.Object3D.call( this, name, data, sea3d );
  1210. this.target = sea3d.getObject( data.readUInt() );
  1211. this.joint = data.readUShort();
  1212. data.readTags( this.readTag.bind( this ) );
  1213. };
  1214. SEA3D.JointObject.prototype = Object.create( SEA3D.Object3D.prototype );
  1215. SEA3D.JointObject.prototype.constructor = SEA3D.JointObject;
  1216. SEA3D.JointObject.prototype.type = "jnt";
  1217. //
  1218. // Light
  1219. //
  1220. SEA3D.Light = function ( name, data, sea3d ) {
  1221. SEA3D.Object3D.call( this, name, data, sea3d );
  1222. this.attenStart = Number.MAX_VALUE;
  1223. this.attenEnd = Number.MAX_VALUE;
  1224. if ( this.attrib & 64 ) {
  1225. var shadowHeader = data.readUByte();
  1226. this.shadow = {};
  1227. this.shadow.opacity = shadowHeader & 1 ? data.readFloat() : 1;
  1228. this.shadow.color = shadowHeader & 2 ? data.readUInt24() : 0x000000;
  1229. }
  1230. if ( this.attrib & 512 ) {
  1231. this.attenStart = data.readFloat();
  1232. this.attenEnd = data.readFloat();
  1233. }
  1234. this.color = data.readUInt24();
  1235. this.multiplier = data.readFloat();
  1236. };
  1237. SEA3D.Light.prototype = Object.create( SEA3D.Object3D.prototype );
  1238. SEA3D.Light.prototype.constructor = SEA3D.Light;
  1239. //
  1240. // Point Light
  1241. //
  1242. SEA3D.PointLight = function ( name, data, sea3d ) {
  1243. SEA3D.Light.call( this, name, data, sea3d );
  1244. if ( this.attrib & 128 ) {
  1245. this.attenuation = {
  1246. start: data.readFloat(),
  1247. end: data.readFloat()
  1248. };
  1249. }
  1250. this.position = data.readVector3();
  1251. data.readTags( this.readTag.bind( this ) );
  1252. };
  1253. SEA3D.PointLight.prototype = Object.create( SEA3D.Light.prototype );
  1254. SEA3D.PointLight.prototype.constructor = SEA3D.PointLight;
  1255. SEA3D.PointLight.prototype.type = "plht";
  1256. //
  1257. // Hemisphere Light
  1258. //
  1259. SEA3D.HemisphereLight = function ( name, data, sea3d ) {
  1260. SEA3D.Light.call( this, name, data, sea3d );
  1261. if ( this.attrib & 128 ) {
  1262. this.attenuation = {
  1263. start: data.readFloat(),
  1264. end: data.readFloat()
  1265. };
  1266. }
  1267. this.secondColor = data.readUInt24();
  1268. data.readTags( this.readTag.bind( this ) );
  1269. };
  1270. SEA3D.HemisphereLight.prototype = Object.create( SEA3D.Light.prototype );
  1271. SEA3D.HemisphereLight.prototype.constructor = SEA3D.HemisphereLight;
  1272. SEA3D.HemisphereLight.prototype.type = "hlht";
  1273. //
  1274. // Ambient Light
  1275. //
  1276. SEA3D.AmbientLight = function ( name, data, sea3d ) {
  1277. SEA3D.Light.call( this, name, data, sea3d );
  1278. data.readTags( this.readTag.bind( this ) );
  1279. };
  1280. SEA3D.AmbientLight.prototype = Object.create( SEA3D.Light.prototype );
  1281. SEA3D.AmbientLight.prototype.constructor = SEA3D.AmbientLight;
  1282. SEA3D.AmbientLight.prototype.type = "alht";
  1283. //
  1284. // Directional Light
  1285. //
  1286. SEA3D.DirectionalLight = function ( name, data, sea3d ) {
  1287. SEA3D.Light.call( this, name, data, sea3d );
  1288. this.transform = data.readMatrix();
  1289. data.readTags( this.readTag.bind( this ) );
  1290. };
  1291. SEA3D.DirectionalLight.prototype = Object.create( SEA3D.Light.prototype );
  1292. SEA3D.DirectionalLight.prototype.constructor = SEA3D.DirectionalLight;
  1293. SEA3D.DirectionalLight.prototype.type = "dlht";
  1294. //
  1295. // Material
  1296. //
  1297. SEA3D.Material = function ( name, data, sea3d ) {
  1298. this.name = name;
  1299. this.data = data;
  1300. this.sea3d = sea3d;
  1301. this.technique = [];
  1302. this.tecniquesDict = {};
  1303. this.attrib = data.readUShort();
  1304. this.alpha = 1;
  1305. this.blendMode = "normal";
  1306. this.physical = false;
  1307. this.anisotropy = false;
  1308. this.bothSides = ( this.attrib & 1 ) != 0;
  1309. this.receiveLights = ( this.attrib & 2 ) == 0;
  1310. this.receiveShadows = ( this.attrib & 4 ) == 0;
  1311. this.receiveFog = ( this.attrib & 8 ) == 0;
  1312. this.repeat = ( this.attrib & 16 ) == 0;
  1313. if ( this.attrib & 32 )
  1314. this.alpha = data.readFloat();
  1315. if ( this.attrib & 64 )
  1316. this.blendMode = data.readBlendMode();
  1317. if ( this.attrib & 128 )
  1318. this.animations = data.readAnimationList( sea3d );
  1319. this.depthMask = ( this.attrib & 256 ) == 0;
  1320. this.depthTest = ( this.attrib & 512 ) == 0;
  1321. var count = data.readUByte();
  1322. for ( var i = 0; i < count; ++ i ) {
  1323. var kind = data.readUShort();
  1324. var size = data.readUShort();
  1325. var pos = data.position;
  1326. var tech, methodAttrib;
  1327. switch ( kind ) {
  1328. case SEA3D.Material.PHONG:
  1329. tech = {
  1330. ambientColor: data.readUInt24(),
  1331. diffuseColor: data.readUInt24(),
  1332. specularColor: data.readUInt24(),
  1333. specular: data.readFloat(),
  1334. gloss: data.readFloat()
  1335. };
  1336. break;
  1337. case SEA3D.Material.PHYSICAL:
  1338. tech = {
  1339. color: data.readUInt24(),
  1340. roughness: data.readFloat(),
  1341. metalness: data.readFloat()
  1342. };
  1343. break;
  1344. case SEA3D.Material.ANISOTROPIC:
  1345. break;
  1346. case SEA3D.Material.COMPOSITE_TEXTURE:
  1347. tech = {
  1348. composite: sea3d.getObject( data.readUInt() )
  1349. };
  1350. break;
  1351. case SEA3D.Material.DIFFUSE_MAP:
  1352. tech = {
  1353. texture: sea3d.getObject( data.readUInt() )
  1354. };
  1355. break;
  1356. case SEA3D.Material.SPECULAR_MAP:
  1357. tech = {
  1358. texture: sea3d.getObject( data.readUInt() )
  1359. };
  1360. break;
  1361. case SEA3D.Material.NORMAL_MAP:
  1362. tech = {
  1363. texture: sea3d.getObject( data.readUInt() )
  1364. };
  1365. break;
  1366. case SEA3D.Material.REFLECTION:
  1367. case SEA3D.Material.FRESNEL_REFLECTION:
  1368. tech = {
  1369. texture: sea3d.getObject( data.readUInt() ),
  1370. alpha: data.readFloat()
  1371. };
  1372. if ( kind == SEA3D.Material.FRESNEL_REFLECTION ) {
  1373. tech.power = data.readFloat();
  1374. tech.normal = data.readFloat();
  1375. }
  1376. break;
  1377. case SEA3D.Material.REFRACTION:
  1378. tech = {
  1379. texture: sea3d.getObject( data.readUInt() ),
  1380. alpha: data.readFloat(),
  1381. ior: data.readFloat()
  1382. };
  1383. break;
  1384. case SEA3D.Material.RIM:
  1385. tech = {
  1386. color: data.readUInt24(),
  1387. strength: data.readFloat(),
  1388. power: data.readFloat(),
  1389. blendMode: data.readBlendMode()
  1390. };
  1391. break;
  1392. case SEA3D.Material.LIGHT_MAP:
  1393. tech = {
  1394. texture: sea3d.getObject( data.readUInt() ),
  1395. channel: data.readUByte(),
  1396. blendMode: data.readBlendMode()
  1397. };
  1398. break;
  1399. case SEA3D.Material.DETAIL_MAP:
  1400. tech = {
  1401. texture: sea3d.getObject( data.readUInt() ),
  1402. scale: data.readFloat(),
  1403. blendMode: data.readBlendMode()
  1404. };
  1405. break;
  1406. case SEA3D.Material.CEL:
  1407. tech = {
  1408. color: data.readUInt24(),
  1409. levels: data.readUByte(),
  1410. size: data.readFloat(),
  1411. specularCutOff: data.readFloat(),
  1412. smoothness: data.readFloat()
  1413. };
  1414. break;
  1415. case SEA3D.Material.TRANSLUCENT:
  1416. tech = {
  1417. translucency: data.readFloat(),
  1418. scattering: data.readFloat()
  1419. };
  1420. break;
  1421. case SEA3D.Material.BLEND_NORMAL_MAP:
  1422. methodAttrib = data.readUByte();
  1423. tech = {
  1424. texture: sea3d.getObject( data.readUInt() ),
  1425. secondaryTexture: sea3d.getObject( data.readUInt() )
  1426. };
  1427. if ( methodAttrib & 1 ) {
  1428. tech.offsetX0 = data.readFloat();
  1429. tech.offsetY0 = data.readFloat();
  1430. tech.offsetX1 = data.readFloat();
  1431. tech.offsetY1 = data.readFloat();
  1432. } else {
  1433. tech.offsetX0 = tech.offsetY0 =
  1434. tech.offsetX1 = tech.offsetY1 = 0;
  1435. }
  1436. tech.animate = methodAttrib & 2;
  1437. break;
  1438. case SEA3D.Material.MIRROR_REFLECTION:
  1439. tech = {
  1440. texture: sea3d.getObject( data.readUInt() ),
  1441. alpha: data.readFloat()
  1442. };
  1443. break;
  1444. case SEA3D.Material.AMBIENT_MAP:
  1445. tech = {
  1446. texture: sea3d.getObject( data.readUInt() )
  1447. };
  1448. break;
  1449. case SEA3D.Material.ALPHA_MAP:
  1450. tech = {
  1451. texture: sea3d.getObject( data.readUInt() )
  1452. };
  1453. break;
  1454. case SEA3D.Material.EMISSIVE:
  1455. tech = {
  1456. color: data.readUInt24()
  1457. };
  1458. break;
  1459. case SEA3D.Material.EMISSIVE_MAP:
  1460. tech = {
  1461. texture: sea3d.getObject( data.readUInt() )
  1462. };
  1463. break;
  1464. case SEA3D.Material.ROUGHNESS_MAP:
  1465. case SEA3D.Material.METALNESS_MAP:
  1466. tech = {
  1467. texture: sea3d.getObject( data.readUInt() )
  1468. };
  1469. break;
  1470. case SEA3D.Material.VERTEX_COLOR:
  1471. tech = {
  1472. blendMode: data.readBlendMode()
  1473. };
  1474. break;
  1475. case SEA3D.Material.WRAP_LIGHTING:
  1476. tech = {
  1477. color: data.readUInt24(),
  1478. strength: data.readFloat()
  1479. };
  1480. break;
  1481. case SEA3D.Material.COLOR_REPLACE:
  1482. methodAttrib = data.readUByte();
  1483. tech = {
  1484. red: data.readUInt24(),
  1485. green: data.readUInt24(),
  1486. blue: data.readUInt24F()
  1487. };
  1488. if ( methodAttrib & 1 ) tech.mask = sea3d.getObject( data.readUInt() );
  1489. if ( methodAttrib & 2 ) tech.alpha = data.readFloat();
  1490. break;
  1491. case SEA3D.Material.REFLECTION_SPHERICAL:
  1492. tech = {
  1493. texture: sea3d.getObject( data.readUInt() ),
  1494. alpha: data.readFloat()
  1495. };
  1496. break;
  1497. case SEA3D.Material.REFLECTIVITY:
  1498. methodAttrib = data.readUByte();
  1499. tech = {
  1500. strength: data.readFloat()
  1501. };
  1502. if ( methodAttrib & 1 ) tech.mask = sea3d.getObject( data.readUInt() );
  1503. break;
  1504. case SEA3D.Material.CLEAR_COAT:
  1505. tech = {
  1506. strength: data.readFloat(),
  1507. roughness: data.readFloat()
  1508. };
  1509. break;
  1510. default:
  1511. console.warn( "SEA3D: MaterialTechnique not found:", kind.toString( 16 ) );
  1512. data.position = pos += size;
  1513. continue;
  1514. }
  1515. tech.kind = kind;
  1516. this.technique.push( tech );
  1517. this.tecniquesDict[ kind ] = tech;
  1518. data.position = pos += size;
  1519. }
  1520. };
  1521. SEA3D.Material.PHONG = 0;
  1522. SEA3D.Material.COMPOSITE_TEXTURE = 1;
  1523. SEA3D.Material.DIFFUSE_MAP = 2;
  1524. SEA3D.Material.SPECULAR_MAP = 3;
  1525. SEA3D.Material.REFLECTION = 4;
  1526. SEA3D.Material.REFRACTION = 5;
  1527. SEA3D.Material.NORMAL_MAP = 6;
  1528. SEA3D.Material.FRESNEL_REFLECTION = 7;
  1529. SEA3D.Material.RIM = 8;
  1530. SEA3D.Material.LIGHT_MAP = 9;
  1531. SEA3D.Material.DETAIL_MAP = 10;
  1532. SEA3D.Material.CEL = 11;
  1533. SEA3D.Material.TRANSLUCENT = 12;
  1534. SEA3D.Material.BLEND_NORMAL_MAP = 13;
  1535. SEA3D.Material.MIRROR_REFLECTION = 14;
  1536. SEA3D.Material.AMBIENT_MAP = 15;
  1537. SEA3D.Material.ALPHA_MAP = 16;
  1538. SEA3D.Material.EMISSIVE_MAP = 17;
  1539. SEA3D.Material.VERTEX_COLOR = 18;
  1540. SEA3D.Material.WRAP_LIGHTING = 19;
  1541. SEA3D.Material.COLOR_REPLACE = 20;
  1542. SEA3D.Material.REFLECTION_SPHERICAL = 21;
  1543. SEA3D.Material.ANISOTROPIC = 22;
  1544. SEA3D.Material.EMISSIVE = 23;
  1545. SEA3D.Material.PHYSICAL = 24;
  1546. SEA3D.Material.ROUGHNESS_MAP = 25;
  1547. SEA3D.Material.METALNESS_MAP = 26;
  1548. SEA3D.Material.REFLECTIVITY = 27;
  1549. SEA3D.Material.CLEAR_COAT = 28;
  1550. SEA3D.Material.prototype.type = "mat";
  1551. //
  1552. // Composite
  1553. //
  1554. SEA3D.Composite = function ( name, data, sea3d ) {
  1555. this.name = name;
  1556. this.data = data;
  1557. this.sea3d = sea3d;
  1558. var layerCount = data.readUByte();
  1559. this.layer = [];
  1560. for ( var i = 0; i < layerCount; i ++ ) {
  1561. this.layer[ i ] = new SEA3D.Composite.prototype.Layer( data, sea3d );
  1562. }
  1563. };
  1564. SEA3D.Composite.prototype.getLayerByName = function ( name ) {
  1565. for ( var i = 0; i < this.layer.length; i ++ ) {
  1566. if ( this.layer[ i ].name == name ) {
  1567. return this.layer[ i ];
  1568. }
  1569. }
  1570. };
  1571. SEA3D.Composite.prototype.Layer = function ( data, sea3d ) {
  1572. var attrib = data.readUShort();
  1573. if ( attrib & 1 ) this.texture = new SEA3D.Composite.LayerBitmap( data, sea3d );
  1574. else this.color = data.readUInt24();
  1575. if ( attrib & 2 ) {
  1576. this.mask = new SEA3D.Composite.LayerBitmap( data, sea3d );
  1577. }
  1578. if ( attrib & 4 ) {
  1579. this.name = data.readUTF8Tiny();
  1580. }
  1581. this.blendMode = attrib & 8 ? data.readBlendMode() : "normal";
  1582. this.opacity = attrib & 16 ? data.readFloat() : 1;
  1583. };
  1584. SEA3D.Composite.LayerBitmap = function ( data, sea3d ) {
  1585. this.map = sea3d.getObject( data.readUInt() );
  1586. var attrib = data.readUShort();
  1587. this.channel = attrib & 1 ? data.readUByte() : 0;
  1588. this.repeat = attrib & 2 == 0;
  1589. this.offsetU = attrib & 4 ? data.readFloat() : 0;
  1590. this.offsetV = attrib & 8 ? data.readFloat() : 0;
  1591. this.scaleU = attrib & 16 ? data.readFloat() : 1;
  1592. this.scaleV = attrib & 32 ? data.readFloat() : 1;
  1593. this.rotation = attrib & 64 ? data.readFloat() : 0;
  1594. if ( attrib & 128 ) this.animation = data.readAnimationList( sea3d );
  1595. };
  1596. SEA3D.Composite.prototype.type = "ctex";
  1597. //
  1598. // Planar Render
  1599. //
  1600. SEA3D.PlanarRender = function ( name, data, sea3d ) {
  1601. this.name = name;
  1602. this.data = data;
  1603. this.sea3d = sea3d;
  1604. this.attrib = data.readUByte();
  1605. this.quality = ( this.attrib & 1 ) | ( this.attrib & 2 );
  1606. this.transform = data.readMatrix();
  1607. };
  1608. SEA3D.PlanarRender.prototype.type = "rttp";
  1609. //
  1610. // Cube Render
  1611. //
  1612. SEA3D.CubeRender = function ( name, data, sea3d ) {
  1613. this.name = name;
  1614. this.data = data;
  1615. this.sea3d = sea3d;
  1616. this.attrib = data.readUByte();
  1617. this.quality = ( this.attrib & 1 ) | ( this.attrib & 2 );
  1618. this.position = data.readVector3();
  1619. };
  1620. SEA3D.CubeRender.prototype.type = "rttc";
  1621. //
  1622. // Cube Maps
  1623. //
  1624. SEA3D.CubeMap = function ( name, data, sea3d ) {
  1625. this.name = name;
  1626. this.data = data;
  1627. this.sea3d = sea3d;
  1628. this.transparent = false;
  1629. var ext = data.readExt();
  1630. this.faces = [];
  1631. for ( var i = 0; i < 6; i ++ ) {
  1632. var size = data.readUInt();
  1633. this.faces[ i ] = data.concat( data.position, size );
  1634. data.position += size;
  1635. }
  1636. };
  1637. SEA3D.CubeMap.prototype.type = "cmap";
  1638. //
  1639. // JPEG
  1640. //
  1641. SEA3D.JPEG = function ( name, data, sea3d ) {
  1642. this.name = name;
  1643. this.data = data;
  1644. this.sea3d = sea3d;
  1645. this.transparent = false;
  1646. };
  1647. SEA3D.JPEG.prototype.type = "jpg";
  1648. //
  1649. // JPEG_XR
  1650. //
  1651. SEA3D.JPEG_XR = function ( name, data, sea3d ) {
  1652. this.name = name;
  1653. this.data = data;
  1654. this.sea3d = sea3d;
  1655. this.transparent = true;
  1656. };
  1657. SEA3D.JPEG_XR.prototype.type = "wdp";
  1658. //
  1659. // PNG
  1660. //
  1661. SEA3D.PNG = function ( name, data, sea3d ) {
  1662. this.name = name;
  1663. this.data = data;
  1664. this.sea3d = sea3d;
  1665. this.transparent = data.getByte( 25 ) == 0x06;
  1666. };
  1667. SEA3D.PNG.prototype.type = "png";
  1668. //
  1669. // GIF
  1670. //
  1671. SEA3D.GIF = function ( name, data, sea3d ) {
  1672. this.name = name;
  1673. this.data = data;
  1674. this.sea3d = sea3d;
  1675. this.transparent = data.getByte( 11 ) > 0;
  1676. };
  1677. SEA3D.GIF.prototype.type = "gif";
  1678. //
  1679. // OGG
  1680. //
  1681. SEA3D.OGG = function ( name, data, sea3d ) {
  1682. this.name = name;
  1683. this.data = data;
  1684. this.sea3d = sea3d;
  1685. };
  1686. SEA3D.OGG.prototype.type = "ogg";
  1687. //
  1688. // MP3
  1689. //
  1690. SEA3D.MP3 = function ( name, data, sea3d ) {
  1691. this.name = name;
  1692. this.data = data;
  1693. this.sea3d = sea3d;
  1694. };
  1695. SEA3D.MP3.prototype.type = "mp3";
  1696. //
  1697. // FILE FORMAT
  1698. //
  1699. SEA3D.File = function ( config ) {
  1700. this.config = {
  1701. streaming: true,
  1702. timeLimit: 60
  1703. };
  1704. if ( config ) {
  1705. if ( config.streaming !== undefined ) this.config.streaming = config.streaming;
  1706. if ( config.timeLimit !== undefined ) this.config.timeLimit = config.timeLimit;
  1707. }
  1708. this.version = SEA3D.VERSION;
  1709. this.objects = [];
  1710. this.typeClass = {};
  1711. this.typeRead = {};
  1712. this.typeUnique = {};
  1713. this.position =
  1714. this.dataPosition = 0;
  1715. this.scope = this;
  1716. // SEA3D
  1717. this.addClass( SEA3D.FileInfo, true );
  1718. this.addClass( SEA3D.Geometry, true );
  1719. this.addClass( SEA3D.Mesh );
  1720. this.addClass( SEA3D.Sprite );
  1721. this.addClass( SEA3D.Material );
  1722. this.addClass( SEA3D.Composite );
  1723. this.addClass( SEA3D.PointLight );
  1724. this.addClass( SEA3D.DirectionalLight );
  1725. this.addClass( SEA3D.HemisphereLight );
  1726. this.addClass( SEA3D.AmbientLight );
  1727. this.addClass( SEA3D.Skeleton, true );
  1728. this.addClass( SEA3D.SkeletonLocal, true );
  1729. this.addClass( SEA3D.SkeletonAnimation, true );
  1730. this.addClass( SEA3D.JointObject );
  1731. this.addClass( SEA3D.Camera );
  1732. this.addClass( SEA3D.OrthographicCamera );
  1733. this.addClass( SEA3D.Morph, true );
  1734. this.addClass( SEA3D.VertexAnimation, true );
  1735. this.addClass( SEA3D.CubeMap, true );
  1736. this.addClass( SEA3D.Animation );
  1737. this.addClass( SEA3D.Dummy );
  1738. this.addClass( SEA3D.Line );
  1739. this.addClass( SEA3D.SoundPoint );
  1740. this.addClass( SEA3D.PlanarRender );
  1741. this.addClass( SEA3D.CubeRender );
  1742. this.addClass( SEA3D.Actions );
  1743. this.addClass( SEA3D.Container3D );
  1744. this.addClass( SEA3D.Properties );
  1745. // URL BASED
  1746. this.addClass( SEA3D.ScriptURL, true );
  1747. this.addClass( SEA3D.TextureURL, true );
  1748. this.addClass( SEA3D.CubeMapURL, true );
  1749. // UNIVERSAL
  1750. this.addClass( SEA3D.JPEG, true );
  1751. this.addClass( SEA3D.JPEG_XR, true );
  1752. this.addClass( SEA3D.PNG, true );
  1753. this.addClass( SEA3D.GIF, true );
  1754. this.addClass( SEA3D.OGG, true );
  1755. this.addClass( SEA3D.MP3, true );
  1756. this.addClass( SEA3D.JavaScript, true );
  1757. this.addClass( SEA3D.JavaScriptMethod, true );
  1758. this.addClass( SEA3D.GLSL, true );
  1759. // Extensions
  1760. var i = SEA3D.File.Extensions.length;
  1761. while ( i -- ) {
  1762. SEA3D.File.Extensions[ i ].call( this );
  1763. }
  1764. };
  1765. SEA3D.File.Extensions = [];
  1766. SEA3D.File.CompressionLibs = {};
  1767. SEA3D.File.DecompressionMethod = {};
  1768. SEA3D.File.setExtension = function ( callback ) {
  1769. SEA3D.File.Extensions.push( callback );
  1770. };
  1771. SEA3D.File.setDecompressionEngine = function ( id, name, method ) {
  1772. SEA3D.File.CompressionLibs[ id ] = name;
  1773. SEA3D.File.DecompressionMethod[ id ] = method;
  1774. };
  1775. SEA3D.File.prototype.addClass = function ( clazz, unique ) {
  1776. this.typeClass[ clazz.prototype.type ] = clazz;
  1777. this.typeUnique[ clazz.prototype.type ] = unique === true;
  1778. };
  1779. SEA3D.File.prototype.readHead = function () {
  1780. if ( this.stream.bytesAvailable < 16 )
  1781. return false;
  1782. if ( this.stream.readUTF8( 3 ) != "SEA" )
  1783. throw new Error( "Invalid SEA3D format." );
  1784. this.sign = this.stream.readUTF8( 3 );
  1785. this.version = this.stream.readUInt24();
  1786. if ( this.stream.readUByte() != 0 ) {
  1787. throw new Error( "Protection algorithm not compatible." );
  1788. }
  1789. this.compressionID = this.stream.readUByte();
  1790. this.compressionAlgorithm = SEA3D.File.CompressionLibs[ this.compressionID ];
  1791. this.decompressionMethod = SEA3D.File.DecompressionMethod[ this.compressionID ];
  1792. if ( this.compressionID > 0 && ! this.decompressionMethod ) {
  1793. throw new Error( "Compression algorithm not compatible." );
  1794. }
  1795. this.length = this.stream.readUInt();
  1796. this.dataPosition = this.stream.position;
  1797. this.objects.length = 0;
  1798. this.state = this.readBody;
  1799. if ( this.onHead ) {
  1800. this.onHead( {
  1801. file: this,
  1802. sign: this.sign
  1803. } );
  1804. }
  1805. return true;
  1806. };
  1807. SEA3D.File.prototype.getObject = function ( index ) {
  1808. return this.objects[ index ];
  1809. };
  1810. SEA3D.File.prototype.getObjectByName = function ( name ) {
  1811. return this.objects[ name ];
  1812. };
  1813. SEA3D.File.prototype.readSEAObject = function () {
  1814. if ( this.stream.bytesAvailable < 4 )
  1815. return null;
  1816. var size = this.stream.readUInt();
  1817. var position = this.stream.position;
  1818. if ( this.stream.bytesAvailable < size )
  1819. return null;
  1820. var flag = this.stream.readUByte();
  1821. var type = this.stream.readExt();
  1822. var meta = null;
  1823. var name = flag & 1 ? this.stream.readUTF8Tiny() : "",
  1824. compressed = ( flag & 2 ) != 0,
  1825. streaming = ( flag & 4 ) != 0;
  1826. if ( flag & 8 ) {
  1827. var metalen = this.stream.readUShort();
  1828. var metabytes = this.stream.concat( this.stream.position, metalen );
  1829. this.stream.position += metalen;
  1830. if ( compressed && this.decompressionMethod ) {
  1831. metabytes.buffer = this.decompressionMethod( metabytes.buffer );
  1832. }
  1833. meta = metabytes.readProperties( this );
  1834. }
  1835. size -= this.stream.position - position;
  1836. position = this.stream.position;
  1837. var data = this.stream.concat( position, size ),
  1838. obj;
  1839. if ( this.typeClass[ type ] ) {
  1840. if ( compressed && this.decompressionMethod ) {
  1841. data.buffer = this.decompressionMethod( data.buffer );
  1842. }
  1843. obj = new this.typeClass[ type ]( name, data, this );
  1844. if ( ( this.config.streaming && streaming || this.config.forceStreaming ) && this.typeRead[ type ] ) {
  1845. this.typeRead[ type ].call( this.scope, obj );
  1846. }
  1847. } else {
  1848. obj = new SEA3D.Object( name, data, type, this );
  1849. console.warn( "SEA3D: Unknown format \"" + type + "\" of file \"" + name + "\". Add a module referring for this format." );
  1850. }
  1851. obj.streaming = streaming;
  1852. obj.metadata = meta;
  1853. this.objects.push( this.objects[ obj.name + "." + obj.type ] = obj );
  1854. this.dataPosition = position + size;
  1855. ++ this.position;
  1856. return obj;
  1857. };
  1858. SEA3D.File.prototype.isDone = function () {
  1859. return this.position == this.length;
  1860. };
  1861. SEA3D.File.prototype.readBody = function () {
  1862. this.timer.update();
  1863. if ( ! this.resume ) return false;
  1864. while ( this.position < this.length ) {
  1865. if ( this.timer.deltaTime < this.config.timeLimit ) {
  1866. this.stream.position = this.dataPosition;
  1867. var sea = this.readSEAObject();
  1868. if ( sea ) this.dispatchCompleteObject( sea );
  1869. else return false;
  1870. } else return false;
  1871. }
  1872. this.state = this.readComplete;
  1873. return true;
  1874. };
  1875. SEA3D.File.prototype.initParse = function () {
  1876. this.timer = new SEA3D.Timer();
  1877. this.position = 0;
  1878. this.resume = true;
  1879. };
  1880. SEA3D.File.prototype.parse = function () {
  1881. this.initParse();
  1882. if ( isFinite( this.config.timeLimit ) ) setTimeout( this.parseObject.bind( this ), 10 );
  1883. else this.parseObject();
  1884. };
  1885. SEA3D.File.prototype.parseObject = function () {
  1886. this.timer.update();
  1887. while ( this.position < this.length && this.timer.deltaTime < this.config.timeLimit ) {
  1888. var obj = this.objects[ this.position ++ ],
  1889. type = obj.type;
  1890. if ( ! this.typeUnique[ type ] ) delete obj.tag;
  1891. if ( ( obj.streaming || this.config.forceStreaming ) && this.typeRead[ type ] ) {
  1892. if ( obj.tag == undefined ) {
  1893. this.typeRead[ type ].call( this.scope, obj );
  1894. }
  1895. }
  1896. }
  1897. if ( this.position == this.length ) {
  1898. var elapsedTime = this.timer.elapsedTime;
  1899. var message = elapsedTime + "ms, " + this.objects.length + " objects";
  1900. if ( this.onParseComplete ) {
  1901. this.onParseComplete( {
  1902. file: this,
  1903. timeTotal: elapsedTime,
  1904. message: message
  1905. } );
  1906. } else console.log( "SEA3D Parse Complete:", message );
  1907. } else {
  1908. if ( this.onParseProgress ) {
  1909. this.onParseProgress( {
  1910. file: this,
  1911. loaded: this.position,
  1912. total: this.length
  1913. } );
  1914. }
  1915. setTimeout( this.parseObject.bind( this ), 10 );
  1916. }
  1917. };
  1918. SEA3D.File.prototype.readComplete = function () {
  1919. this.stream.position = this.dataPosition;
  1920. if ( this.stream.readUInt24F() != 0x5EA3D1 )
  1921. console.warn( "SEA3D file is corrupted." );
  1922. delete this.state;
  1923. return false;
  1924. };
  1925. SEA3D.File.prototype.readState = function () {
  1926. while ( this.state() ) continue;
  1927. if ( this.state ) {
  1928. requestAnimationFrame( this.readState.bind( this ) );
  1929. this.dispatchProgress();
  1930. } else {
  1931. this.dispatchComplete();
  1932. }
  1933. };
  1934. SEA3D.File.prototype.read = function ( buffer ) {
  1935. if ( ! buffer ) throw new Error( "No data found." );
  1936. this.initParse();
  1937. this.stream = new SEA3D.Stream( buffer );
  1938. this.state = this.readHead;
  1939. this.readState();
  1940. };
  1941. SEA3D.File.prototype.dispatchCompleteObject = function ( obj ) {
  1942. if ( ! this.onCompleteObject ) return;
  1943. this.onCompleteObject( {
  1944. file: this,
  1945. object: obj
  1946. } );
  1947. };
  1948. SEA3D.File.prototype.dispatchProgress = function () {
  1949. if ( ! this.onProgress ) return;
  1950. this.onProgress( {
  1951. file: this,
  1952. loaded: this.position,
  1953. total: this.length
  1954. } );
  1955. };
  1956. SEA3D.File.prototype.dispatchDownloadProgress = function ( position, length ) {
  1957. if ( ! this.onDownloadProgress ) return;
  1958. this.onDownloadProgress( {
  1959. file: this,
  1960. loaded: position,
  1961. total: length
  1962. } );
  1963. };
  1964. SEA3D.File.prototype.dispatchComplete = function () {
  1965. var elapsedTime = this.timer.elapsedTime;
  1966. var message = elapsedTime + "ms, " + this.objects.length + " objects";
  1967. if ( this.onComplete ) this.onComplete( {
  1968. file: this,
  1969. timeTotal: elapsedTime,
  1970. message: message
  1971. } );
  1972. else console.log( "SEA3D:", message );
  1973. };
  1974. SEA3D.File.prototype.dispatchError = function ( id, message ) {
  1975. if ( this.onError ) this.onError( { file: this, id: id, message: message } );
  1976. else console.error( "SEA3D: #" + id, message );
  1977. };
  1978. SEA3D.File.prototype.load = function ( url ) {
  1979. var file = this,
  1980. xhr = new XMLHttpRequest();
  1981. xhr.open( "GET", url, true );
  1982. xhr.responseType = 'arraybuffer';
  1983. xhr.onprogress = function ( e ) {
  1984. if ( e.lengthComputable ) {
  1985. file.dispatchDownloadProgress( e.loaded, e.total );
  1986. }
  1987. };
  1988. xhr.onreadystatechange = function () {
  1989. if ( xhr.readyState === 2 ) {
  1990. //xhr.getResponseHeader("Content-Length");
  1991. } else if ( xhr.readyState === 3 ) {
  1992. // progress
  1993. } else if ( xhr.readyState === 4 ) {
  1994. if ( xhr.status === 200 || xhr.status === 0 ) {
  1995. // complete
  1996. file.read( this.response );
  1997. } else {
  1998. this.dispatchError( 1001, "Couldn't load [" + url + "] [" + xhr.status + "]" );
  1999. }
  2000. }
  2001. };
  2002. xhr.send();
  2003. };