721 lines
14 KiB
JavaScript
721 lines
14 KiB
JavaScript
/**
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* SEA3D Legacy for Three.JS
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* @author Sunag / http://www.sunag.com.br/
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*/
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'use strict';
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//
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// Header
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//
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Object.assign( THREE.SEA3D.prototype, {
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_onHead: THREE.SEA3D.prototype.onHead,
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_updateTransform: THREE.SEA3D.prototype.updateTransform,
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_readVertexAnimation: THREE.SEA3D.prototype.readVertexAnimation,
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_readGeometryBuffer: THREE.SEA3D.prototype.readGeometryBuffer,
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_readLine: THREE.SEA3D.prototype.readLine,
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_getAnimationType: THREE.SEA3D.prototype.getAnimationType,
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_readAnimation: THREE.SEA3D.prototype.readAnimation
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} );
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//
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// Utils
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//
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THREE.SEA3D.prototype.isLegacy = function ( sea ) {
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var sea3d = sea.sea3d;
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if ( sea3d.sign == 'S3D' && ! sea._legacy ) {
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sea._legacy = sea3d.typeUnique[ sea.type ] == true;
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return sea3d.config.legacy;
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}
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return false;
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};
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THREE.SEA3D.prototype.flipVec3 = function ( v ) {
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if ( ! v ) return;
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var i = 2;
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while ( i < v.length ) {
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v[ i ] = - v[ i ];
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i += 3;
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}
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return v;
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};
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THREE.SEA3D.prototype.expandJoints = function ( sea ) {
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var numJoints = sea.numVertex * 4;
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var joint = sea.isBig ? new Uint32Array( numJoints ) : new Uint16Array( numJoints );
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var weight = new Float32Array( numJoints );
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var w = 0, jpv = sea.jointPerVertex;
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for ( var i = 0; i < sea.numVertex; i ++ ) {
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var tjsIndex = i * 4;
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var seaIndex = i * jpv;
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joint[ tjsIndex ] = sea.joint[ seaIndex ];
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if ( jpv > 1 ) joint[ tjsIndex + 1 ] = sea.joint[ seaIndex + 1 ];
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if ( jpv > 2 ) joint[ tjsIndex + 2 ] = sea.joint[ seaIndex + 2 ];
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if ( jpv > 3 ) joint[ tjsIndex + 3 ] = sea.joint[ seaIndex + 3 ];
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weight[ tjsIndex ] = sea.weight[ seaIndex ];
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if ( jpv > 1 ) weight[ tjsIndex + 1 ] = sea.weight[ seaIndex + 1 ];
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if ( jpv > 2 ) weight[ tjsIndex + 2 ] = sea.weight[ seaIndex + 2 ];
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if ( jpv > 3 ) weight[ tjsIndex + 3 ] = sea.weight[ seaIndex + 3 ];
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w = weight[ tjsIndex ] + weight[ tjsIndex + 1 ] + weight[ tjsIndex + 2 ] + weight[ tjsIndex + 3 ];
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weight[ tjsIndex ] += 1 - w;
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}
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sea.joint = joint;
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sea.weight = weight;
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sea.jointPerVertex = 4;
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};
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THREE.SEA3D.prototype.compressJoints = function ( sea ) {
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var numJoints = sea.numVertex * 4;
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var joint = sea.isBig ? new Uint32Array( numJoints ) : new Uint16Array( numJoints );
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var weight = new Float32Array( numJoints );
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var w = 0, jpv = sea.jointPerVertex;
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for ( var i = 0; i < sea.numVertex; i ++ ) {
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var tjsIndex = i * 4;
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var seaIndex = i * jpv;
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joint[ tjsIndex ] = sea.joint[ seaIndex ];
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joint[ tjsIndex + 1 ] = sea.joint[ seaIndex + 1 ];
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joint[ tjsIndex + 2 ] = sea.joint[ seaIndex + 2 ];
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joint[ tjsIndex + 3 ] = sea.joint[ seaIndex + 3 ];
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weight[ tjsIndex ] = sea.weight[ seaIndex ];
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weight[ tjsIndex + 1 ] = sea.weight[ seaIndex + 1 ];
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weight[ tjsIndex + 2 ] = sea.weight[ seaIndex + 2 ];
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weight[ tjsIndex + 3 ] = sea.weight[ seaIndex + 3 ];
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w = weight[ tjsIndex ] + weight[ tjsIndex + 1 ] + weight[ tjsIndex + 2 ] + weight[ tjsIndex + 3 ];
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weight[ tjsIndex ] += 1 - w;
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}
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sea.joint = joint;
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sea.weight = weight;
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sea.jointPerVertex = 4;
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};
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THREE.SEA3D.prototype.flipIndexes = function ( v ) {
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var i = 1; // y >-< z
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while ( i < v.length ) {
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var idx = v[ i + 1 ];
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v[ i + 1 ] = v[ i ];
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v[ i ] = idx;
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i += 3;
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}
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return v;
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};
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THREE.SEA3D.prototype.flipBoneMatrix = function () {
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var zero = new THREE.Vector3();
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return function ( mtx ) {
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var pos = THREE.SEA3D.VECBUF.setFromMatrixPosition( mtx );
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pos.z = - pos.z;
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mtx.setPosition( zero );
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mtx.multiplyMatrices( THREE.SEA3D.MTXBUF.makeRotationZ( THREE.Math.degToRad( 180 ) ), mtx );
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mtx.setPosition( pos );
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return mtx;
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};
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}();
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THREE.SEA3D.prototype.flipScaleMatrix = function () {
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var pos = new THREE.Vector3();
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var qua = new THREE.Quaternion();
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var slc = new THREE.Vector3();
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return function ( local, rotate, parent, parentRotate ) {
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if ( parent ) local.multiplyMatrices( parent, local );
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local.decompose( pos, qua, slc );
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slc.z = - slc.z;
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local.compose( pos, qua, slc );
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if ( rotate ) {
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local.multiplyMatrices( local, THREE.SEA3D.MTXBUF.makeRotationZ( THREE.Math.degToRad( 180 ) ) );
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}
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if ( parent ) {
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parent = parent.clone();
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this.flipScaleMatrix( parent, parentRotate );
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local.multiplyMatrices( parent.getInverse( parent ), local );
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}
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return local;
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};
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}();
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//
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// Legacy
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//
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THREE.SEA3D.prototype.flipDefaultAnimation = function () {
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var buf1 = new THREE.Matrix4();
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var buf2 = new THREE.Matrix4();
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var pos = new THREE.Vector3();
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var qua = new THREE.Quaternion();
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var slc = new THREE.Vector3();
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var to_pos = new THREE.Vector3();
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var to_qua = new THREE.Quaternion();
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var to_slc = new THREE.Vector3();
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return function ( animation, obj3d, relative ) {
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if ( animation.isFliped ) return;
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var dataList = animation.dataList,
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t_anm = [];
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for ( var i = 0; i < dataList.length; i ++ ) {
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var data = dataList[ i ],
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raw = data.data,
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kind = data.kind,
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numFrames = raw.length / data.blockSize;
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switch ( kind ) {
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case SEA3D.Animation.POSITION:
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case SEA3D.Animation.ROTATION:
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case SEA3D.Animation.SCALE:
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t_anm.push( {
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kind: kind,
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numFrames: numFrames,
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raw: raw
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} );
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break;
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}
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}
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if ( t_anm.length > 0 ) {
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var numFrames = t_anm[ 0 ].numFrames,
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parent = undefined;
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if ( relative ) {
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buf1.identity();
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parent = this.flipScaleMatrix( buf2.copy( obj3d.matrixWorld ) );
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} else {
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if ( obj3d.parent ) {
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parent = this.flipScaleMatrix( buf2.copy( obj3d.parent.matrixWorld ) );
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}
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this.flipScaleMatrix( buf1.copy( obj3d.matrix ), false, parent );
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}
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buf1.decompose( pos, qua, slc );
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for ( var f = 0, t, c; f < numFrames; f ++ ) {
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for ( t = 0; t < t_anm.length; t ++ ) {
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var raw = t_anm[ t ].raw,
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kind = t_anm[ t ].kind;
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switch ( kind ) {
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case SEA3D.Animation.POSITION:
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c = f * 3;
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pos.set(
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raw[ c ],
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raw[ c + 1 ],
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raw[ c + 2 ]
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);
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break;
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case SEA3D.Animation.ROTATION:
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c = f * 4;
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qua.set(
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raw[ c ],
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raw[ c + 1 ],
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raw[ c + 2 ],
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raw[ c + 3 ]
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);
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break;
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case SEA3D.Animation.SCALE:
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c = f * 4;
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slc.set(
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raw[ c ],
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raw[ c + 1 ],
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raw[ c + 2 ]
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);
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break;
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}
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}
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buf1.compose( pos, qua, slc );
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this.flipScaleMatrix( buf1, false, buf2 );
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buf1.decompose( to_pos, to_qua, to_slc );
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for ( t = 0; t < t_anm.length; t ++ ) {
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var raw = t_anm[ t ].raw,
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kind = t_anm[ t ].kind;
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switch ( kind ) {
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case SEA3D.Animation.POSITION:
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c = f * 3;
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raw[ c ] = to_pos.x;
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raw[ c + 1 ] = to_pos.y;
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raw[ c + 2 ] = to_pos.z;
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break;
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case SEA3D.Animation.ROTATION:
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c = f * 4;
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raw[ c ] = to_qua.x;
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raw[ c + 1 ] = to_qua.y;
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raw[ c + 2 ] = to_qua.z;
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raw[ c + 3 ] = to_qua.w;
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break;
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case SEA3D.Animation.SCALE:
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c = f * 3;
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raw[ c ] = to_slc.x;
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raw[ c + 1 ] = to_slc.y;
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raw[ c + 2 ] = to_slc.z;
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break;
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}
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}
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}
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}
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animation.isFliped = true;
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};
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}();
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THREE.SEA3D.prototype.readAnimation = function ( sea ) {
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if ( ! this.isLegacy( sea ) ) {
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this._readAnimation( sea );
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}
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};
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THREE.SEA3D.prototype.getAnimationType = function ( req ) {
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var sea = req.sea;
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if ( this.isLegacy( sea ) ) {
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switch ( sea.type ) {
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case SEA3D.SkeletonAnimation.prototype.type:
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this.readSkeletonAnimationLegacy( sea, req.skeleton );
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return sea.tag;
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break;
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case SEA3D.Animation.prototype.type:
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if ( req.scope instanceof THREE.Object3D ) {
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this.flipDefaultAnimation( sea, req.scope, req.relative );
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}
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this._readAnimation( sea );
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return sea.tag;
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break;
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}
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}
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return this._getAnimationType( req );
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};
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THREE.SEA3D.prototype.updateTransform = function () {
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var buf1 = new THREE.Matrix4();
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var identity = new THREE.Matrix4();
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return function ( obj3d, sea ) {
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if ( this.isLegacy( sea ) ) {
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if ( sea.transform ) buf1.elements.set( sea.transform );
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else buf1.makeTranslation( sea.position.x, sea.position.y, sea.position.z );
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this.flipScaleMatrix(
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buf1, false,
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obj3d.parent ? obj3d.parent.matrixWorld : identity,
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obj3d.parent instanceof THREE.Bone
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);
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obj3d.position.setFromMatrixPosition( buf1 );
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obj3d.scale.setFromMatrixScale( buf1 );
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// ignore rotation scale
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buf1.scale( THREE.SEA3D.VECBUF.set( 1 / obj3d.scale.x, 1 / obj3d.scale.y, 1 / obj3d.scale.z ) );
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obj3d.rotation.setFromRotationMatrix( buf1 );
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obj3d.updateMatrixWorld();
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} else {
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this._updateTransform( obj3d, sea );
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}
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};
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}();
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THREE.SEA3D.prototype.readSkeleton = function () {
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var mtx_tmp_inv = new THREE.Matrix4(),
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mtx_local = new THREE.Matrix4(),
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mtx_parent = new THREE.Matrix4(),
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pos = new THREE.Vector3(),
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qua = new THREE.Quaternion();
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return function ( sea ) {
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var bones = [],
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isLegacy = sea.sea3d.config.legacy;
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for ( var i = 0; i < sea.joint.length; i ++ ) {
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var bone = sea.joint[ i ];
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// get world inverse matrix
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mtx_tmp_inv.elements = bone.inverseBindMatrix;
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// convert to world matrix
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mtx_local.getInverse( mtx_tmp_inv );
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// convert to three.js order
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if ( isLegacy ) this.flipBoneMatrix( mtx_local );
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if ( bone.parentIndex > - 1 ) {
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// to world
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mtx_tmp_inv.elements = sea.joint[ bone.parentIndex ].inverseBindMatrix;
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mtx_parent.getInverse( mtx_tmp_inv );
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// convert parent to three.js order
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if ( isLegacy ) this.flipBoneMatrix( mtx_parent );
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// to local
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mtx_parent.getInverse( mtx_parent );
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mtx_local.multiplyMatrices( mtx_parent, mtx_local );
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}
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// apply matrix
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pos.setFromMatrixPosition( mtx_local );
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qua.setFromRotationMatrix( mtx_local );
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bones[ i ] = {
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name: bone.name,
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pos: [ pos.x, pos.y, pos.z ],
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rotq: [ qua.x, qua.y, qua.z, qua.w ],
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parent: bone.parentIndex
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};
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}
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return sea.tag = bones;
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};
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}();
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THREE.SEA3D.prototype.readSkeletonAnimationLegacy = function () {
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var mtx_tmp_inv = new THREE.Matrix4(),
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mtx_local = new THREE.Matrix4(),
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mtx_global = new THREE.Matrix4(),
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mtx_parent = new THREE.Matrix4();
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return function ( sea, skl ) {
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if ( sea.tag ) return sea.tag;
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var animations = [],
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delta = ( 1000 / sea.frameRate ) / 1000,
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scale = [ 1, 1, 1 ];
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for ( var i = 0; i < sea.sequence.length; i ++ ) {
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var seq = sea.sequence[ i ];
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var start = seq.start;
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var end = start + seq.count;
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var animation = {
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name: seq.name,
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repeat: seq.repeat,
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fps: sea.frameRate,
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JIT: 0,
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length: delta * seq.count,
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hierarchy: []
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};
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var numJoints = sea.numJoints,
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raw = sea.raw;
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for ( var j = 0; j < numJoints; j ++ ) {
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var bone = skl.joint[ j ],
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node = { parent: bone.parentIndex, keys: [] },
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keys = node.keys,
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time = 0;
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for ( var frame = start; frame < end; frame ++ ) {
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var idx = ( frame * numJoints * 7 ) + ( j * 7 );
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mtx_local.makeRotationFromQuaternion( THREE.SEA3D.QUABUF.set( raw[ idx + 3 ], raw[ idx + 4 ], raw[ idx + 5 ], raw[ idx + 6 ] ) );
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mtx_local.setPosition( THREE.SEA3D.VECBUF.set( raw[ idx ], raw[ idx + 1 ], raw[ idx + 2 ] ) );
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if ( bone.parentIndex > - 1 ) {
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// to global
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mtx_tmp_inv.elements = skl.joint[ bone.parentIndex ].inverseBindMatrix;
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mtx_parent.getInverse( mtx_tmp_inv );
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mtx_global.multiplyMatrices( mtx_parent, mtx_local );
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// convert to three.js matrix
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this.flipBoneMatrix( mtx_global );
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// flip parent inverse
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this.flipBoneMatrix( mtx_parent );
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// to local
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mtx_parent.getInverse( mtx_parent );
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mtx_local.multiplyMatrices( mtx_parent, mtx_global );
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} else {
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this.flipBoneMatrix( mtx_local );
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}
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var posQ = THREE.SEA3D.VECBUF.setFromMatrixPosition( mtx_local );
|
|
var newQ = THREE.SEA3D.QUABUF.setFromRotationMatrix( mtx_local );
|
|
|
|
keys.push( {
|
|
time: time,
|
|
pos: [ posQ.x, posQ.y, posQ.z ],
|
|
rot: [ newQ.x, newQ.y, newQ.z, newQ.w ],
|
|
scl: scale
|
|
} );
|
|
|
|
time += delta;
|
|
|
|
}
|
|
|
|
animation.hierarchy[ j ] = node;
|
|
|
|
}
|
|
|
|
animations.push( THREE.SEA3D.AnimationClip.fromClip( THREE.AnimationClip.parseAnimation( animation, skl.tag ), seq.repeat ) );
|
|
|
|
}
|
|
|
|
this.domain.clips = this.clips = this.clips || [];
|
|
this.clips.push( this.objects[ sea.name + '.anm' ] = sea.tag = animations );
|
|
|
|
};
|
|
|
|
}();
|
|
|
|
THREE.SEA3D.prototype.readVertexAnimation = function ( sea ) {
|
|
|
|
if ( this.isLegacy( sea ) ) {
|
|
|
|
for ( var i = 0, l = sea.frame.length; i < l; i ++ ) {
|
|
|
|
var frame = sea.frame[ i ];
|
|
|
|
this.flipVec3( frame.vertex );
|
|
this.flipVec3( frame.normal );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
this._readVertexAnimation( sea );
|
|
|
|
};
|
|
|
|
THREE.SEA3D.prototype.readGeometryBuffer = function ( sea ) {
|
|
|
|
if ( this.isLegacy( sea ) ) {
|
|
|
|
this.flipVec3( sea.vertex, true );
|
|
this.flipVec3( sea.normal, true );
|
|
|
|
this.flipIndexes( sea.indexes );
|
|
|
|
if ( sea.jointPerVertex > 4 ) this.compressJoints( sea );
|
|
else if ( sea.jointPerVertex < 4 ) this.expandJoints( sea );
|
|
|
|
}
|
|
|
|
this._readGeometryBuffer( sea );
|
|
|
|
};
|
|
|
|
THREE.SEA3D.prototype.readLines = function ( sea ) {
|
|
|
|
if ( this.isLegacy( sea ) ) {
|
|
|
|
this.flipVec3( sea.vertex );
|
|
|
|
}
|
|
|
|
this._readLines( sea );
|
|
|
|
};
|
|
|
|
THREE.SEA3D.prototype.onHead = function ( args ) {
|
|
|
|
if ( args.sign != "S3D" && args.sign != "TJS" ) {
|
|
|
|
throw new Error( "Sign '" + args.sign + "' unknown." );
|
|
|
|
}
|
|
|
|
};
|
|
|
|
THREE.SEA3D.EXTENSIONS_LOADER.push( { setTypeRead: function () {
|
|
|
|
// CONFIG
|
|
|
|
this.config.legacy = this.config.legacy == undefined ? true : this.config.legacy;
|
|
|
|
this.file.typeRead[ SEA3D.Skeleton.prototype.type ] = this.readSkeleton;
|
|
|
|
} } );
|