| |
| |
| |
|
|
| THREE.MD2Loader = function ( manager ) { |
|
|
| this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager; |
|
|
| }; |
|
|
| THREE.MD2Loader.prototype = { |
|
|
| constructor: THREE.MD2Loader, |
|
|
| load: function ( url, onLoad, onProgress, onError ) { |
|
|
| var scope = this; |
|
|
| var loader = new THREE.FileLoader( scope.manager ); |
| loader.setPath( scope.path ); |
| loader.setResponseType( 'arraybuffer' ); |
| loader.load( url, function ( buffer ) { |
|
|
| onLoad( scope.parse( buffer ) ); |
|
|
| }, onProgress, onError ); |
|
|
| }, |
|
|
| setPath: function ( value ) { |
|
|
| this.path = value; |
| return this; |
|
|
| }, |
|
|
| parse: ( function () { |
|
|
| var normalData = [ |
| [ - 0.525731, 0.000000, 0.850651 ], [ - 0.442863, 0.238856, 0.864188 ], |
| [ - 0.295242, 0.000000, 0.955423 ], [ - 0.309017, 0.500000, 0.809017 ], |
| [ - 0.162460, 0.262866, 0.951056 ], [ 0.000000, 0.000000, 1.000000 ], |
| [ 0.000000, 0.850651, 0.525731 ], [ - 0.147621, 0.716567, 0.681718 ], |
| [ 0.147621, 0.716567, 0.681718 ], [ 0.000000, 0.525731, 0.850651 ], |
| [ 0.309017, 0.500000, 0.809017 ], [ 0.525731, 0.000000, 0.850651 ], |
| [ 0.295242, 0.000000, 0.955423 ], [ 0.442863, 0.238856, 0.864188 ], |
| [ 0.162460, 0.262866, 0.951056 ], [ - 0.681718, 0.147621, 0.716567 ], |
| [ - 0.809017, 0.309017, 0.500000 ], [ - 0.587785, 0.425325, 0.688191 ], |
| [ - 0.850651, 0.525731, 0.000000 ], [ - 0.864188, 0.442863, 0.238856 ], |
| [ - 0.716567, 0.681718, 0.147621 ], [ - 0.688191, 0.587785, 0.425325 ], |
| [ - 0.500000, 0.809017, 0.309017 ], [ - 0.238856, 0.864188, 0.442863 ], |
| [ - 0.425325, 0.688191, 0.587785 ], [ - 0.716567, 0.681718, - 0.147621 ], |
| [ - 0.500000, 0.809017, - 0.309017 ], [ - 0.525731, 0.850651, 0.000000 ], |
| [ 0.000000, 0.850651, - 0.525731 ], [ - 0.238856, 0.864188, - 0.442863 ], |
| [ 0.000000, 0.955423, - 0.295242 ], [ - 0.262866, 0.951056, - 0.162460 ], |
| [ 0.000000, 1.000000, 0.000000 ], [ 0.000000, 0.955423, 0.295242 ], |
| [ - 0.262866, 0.951056, 0.162460 ], [ 0.238856, 0.864188, 0.442863 ], |
| [ 0.262866, 0.951056, 0.162460 ], [ 0.500000, 0.809017, 0.309017 ], |
| [ 0.238856, 0.864188, - 0.442863 ], [ 0.262866, 0.951056, - 0.162460 ], |
| [ 0.500000, 0.809017, - 0.309017 ], [ 0.850651, 0.525731, 0.000000 ], |
| [ 0.716567, 0.681718, 0.147621 ], [ 0.716567, 0.681718, - 0.147621 ], |
| [ 0.525731, 0.850651, 0.000000 ], [ 0.425325, 0.688191, 0.587785 ], |
| [ 0.864188, 0.442863, 0.238856 ], [ 0.688191, 0.587785, 0.425325 ], |
| [ 0.809017, 0.309017, 0.500000 ], [ 0.681718, 0.147621, 0.716567 ], |
| [ 0.587785, 0.425325, 0.688191 ], [ 0.955423, 0.295242, 0.000000 ], |
| [ 1.000000, 0.000000, 0.000000 ], [ 0.951056, 0.162460, 0.262866 ], |
| [ 0.850651, - 0.525731, 0.000000 ], [ 0.955423, - 0.295242, 0.000000 ], |
| [ 0.864188, - 0.442863, 0.238856 ], [ 0.951056, - 0.162460, 0.262866 ], |
| [ 0.809017, - 0.309017, 0.500000 ], [ 0.681718, - 0.147621, 0.716567 ], |
| [ 0.850651, 0.000000, 0.525731 ], [ 0.864188, 0.442863, - 0.238856 ], |
| [ 0.809017, 0.309017, - 0.500000 ], [ 0.951056, 0.162460, - 0.262866 ], |
| [ 0.525731, 0.000000, - 0.850651 ], [ 0.681718, 0.147621, - 0.716567 ], |
| [ 0.681718, - 0.147621, - 0.716567 ], [ 0.850651, 0.000000, - 0.525731 ], |
| [ 0.809017, - 0.309017, - 0.500000 ], [ 0.864188, - 0.442863, - 0.238856 ], |
| [ 0.951056, - 0.162460, - 0.262866 ], [ 0.147621, 0.716567, - 0.681718 ], |
| [ 0.309017, 0.500000, - 0.809017 ], [ 0.425325, 0.688191, - 0.587785 ], |
| [ 0.442863, 0.238856, - 0.864188 ], [ 0.587785, 0.425325, - 0.688191 ], |
| [ 0.688191, 0.587785, - 0.425325 ], [ - 0.147621, 0.716567, - 0.681718 ], |
| [ - 0.309017, 0.500000, - 0.809017 ], [ 0.000000, 0.525731, - 0.850651 ], |
| [ - 0.525731, 0.000000, - 0.850651 ], [ - 0.442863, 0.238856, - 0.864188 ], |
| [ - 0.295242, 0.000000, - 0.955423 ], [ - 0.162460, 0.262866, - 0.951056 ], |
| [ 0.000000, 0.000000, - 1.000000 ], [ 0.295242, 0.000000, - 0.955423 ], |
| [ 0.162460, 0.262866, - 0.951056 ], [ - 0.442863, - 0.238856, - 0.864188 ], |
| [ - 0.309017, - 0.500000, - 0.809017 ], [ - 0.162460, - 0.262866, - 0.951056 ], |
| [ 0.000000, - 0.850651, - 0.525731 ], [ - 0.147621, - 0.716567, - 0.681718 ], |
| [ 0.147621, - 0.716567, - 0.681718 ], [ 0.000000, - 0.525731, - 0.850651 ], |
| [ 0.309017, - 0.500000, - 0.809017 ], [ 0.442863, - 0.238856, - 0.864188 ], |
| [ 0.162460, - 0.262866, - 0.951056 ], [ 0.238856, - 0.864188, - 0.442863 ], |
| [ 0.500000, - 0.809017, - 0.309017 ], [ 0.425325, - 0.688191, - 0.587785 ], |
| [ 0.716567, - 0.681718, - 0.147621 ], [ 0.688191, - 0.587785, - 0.425325 ], |
| [ 0.587785, - 0.425325, - 0.688191 ], [ 0.000000, - 0.955423, - 0.295242 ], |
| [ 0.000000, - 1.000000, 0.000000 ], [ 0.262866, - 0.951056, - 0.162460 ], |
| [ 0.000000, - 0.850651, 0.525731 ], [ 0.000000, - 0.955423, 0.295242 ], |
| [ 0.238856, - 0.864188, 0.442863 ], [ 0.262866, - 0.951056, 0.162460 ], |
| [ 0.500000, - 0.809017, 0.309017 ], [ 0.716567, - 0.681718, 0.147621 ], |
| [ 0.525731, - 0.850651, 0.000000 ], [ - 0.238856, - 0.864188, - 0.442863 ], |
| [ - 0.500000, - 0.809017, - 0.309017 ], [ - 0.262866, - 0.951056, - 0.162460 ], |
| [ - 0.850651, - 0.525731, 0.000000 ], [ - 0.716567, - 0.681718, - 0.147621 ], |
| [ - 0.716567, - 0.681718, 0.147621 ], [ - 0.525731, - 0.850651, 0.000000 ], |
| [ - 0.500000, - 0.809017, 0.309017 ], [ - 0.238856, - 0.864188, 0.442863 ], |
| [ - 0.262866, - 0.951056, 0.162460 ], [ - 0.864188, - 0.442863, 0.238856 ], |
| [ - 0.809017, - 0.309017, 0.500000 ], [ - 0.688191, - 0.587785, 0.425325 ], |
| [ - 0.681718, - 0.147621, 0.716567 ], [ - 0.442863, - 0.238856, 0.864188 ], |
| [ - 0.587785, - 0.425325, 0.688191 ], [ - 0.309017, - 0.500000, 0.809017 ], |
| [ - 0.147621, - 0.716567, 0.681718 ], [ - 0.425325, - 0.688191, 0.587785 ], |
| [ - 0.162460, - 0.262866, 0.951056 ], [ 0.442863, - 0.238856, 0.864188 ], |
| [ 0.162460, - 0.262866, 0.951056 ], [ 0.309017, - 0.500000, 0.809017 ], |
| [ 0.147621, - 0.716567, 0.681718 ], [ 0.000000, - 0.525731, 0.850651 ], |
| [ 0.425325, - 0.688191, 0.587785 ], [ 0.587785, - 0.425325, 0.688191 ], |
| [ 0.688191, - 0.587785, 0.425325 ], [ - 0.955423, 0.295242, 0.000000 ], |
| [ - 0.951056, 0.162460, 0.262866 ], [ - 1.000000, 0.000000, 0.000000 ], |
| [ - 0.850651, 0.000000, 0.525731 ], [ - 0.955423, - 0.295242, 0.000000 ], |
| [ - 0.951056, - 0.162460, 0.262866 ], [ - 0.864188, 0.442863, - 0.238856 ], |
| [ - 0.951056, 0.162460, - 0.262866 ], [ - 0.809017, 0.309017, - 0.500000 ], |
| [ - 0.864188, - 0.442863, - 0.238856 ], [ - 0.951056, - 0.162460, - 0.262866 ], |
| [ - 0.809017, - 0.309017, - 0.500000 ], [ - 0.681718, 0.147621, - 0.716567 ], |
| [ - 0.681718, - 0.147621, - 0.716567 ], [ - 0.850651, 0.000000, - 0.525731 ], |
| [ - 0.688191, 0.587785, - 0.425325 ], [ - 0.587785, 0.425325, - 0.688191 ], |
| [ - 0.425325, 0.688191, - 0.587785 ], [ - 0.425325, - 0.688191, - 0.587785 ], |
| [ - 0.587785, - 0.425325, - 0.688191 ], [ - 0.688191, - 0.587785, - 0.425325 ] |
| ]; |
|
|
| return function ( buffer ) { |
|
|
| console.time( 'MD2Loader' ); |
|
|
| var data = new DataView( buffer ); |
|
|
| |
|
|
| var header = {}; |
| var headerNames = [ |
| 'ident', 'version', |
| 'skinwidth', 'skinheight', |
| 'framesize', |
| 'num_skins', 'num_vertices', 'num_st', 'num_tris', 'num_glcmds', 'num_frames', |
| 'offset_skins', 'offset_st', 'offset_tris', 'offset_frames', 'offset_glcmds', 'offset_end' |
| ]; |
|
|
| for ( var i = 0; i < headerNames.length; i ++ ) { |
|
|
| header[ headerNames[ i ] ] = data.getInt32( i * 4, true ); |
|
|
| } |
|
|
| if ( header.ident !== 844121161 || header.version !== 8 ) { |
|
|
| console.error( 'Not a valid MD2 file' ); |
| return; |
|
|
| } |
|
|
| if ( header.offset_end !== data.byteLength ) { |
|
|
| console.error( 'Corrupted MD2 file' ); |
| return; |
|
|
| } |
|
|
| |
|
|
| var geometry = new THREE.BufferGeometry(); |
|
|
| |
|
|
| var uvsTemp = []; |
| var offset = header.offset_st; |
|
|
| for ( var i = 0, l = header.num_st; i < l; i ++ ) { |
|
|
| var u = data.getInt16( offset + 0, true ); |
| var v = data.getInt16( offset + 2, true ); |
|
|
| uvsTemp.push( u / header.skinwidth, 1 - ( v / header.skinheight ) ); |
|
|
| offset += 4; |
|
|
| } |
|
|
| |
|
|
| offset = header.offset_tris; |
|
|
| var vertexIndices = []; |
| var uvIndices = []; |
|
|
| for ( var i = 0, l = header.num_tris; i < l; i ++ ) { |
|
|
| vertexIndices.push( |
| data.getUint16( offset + 0, true ), |
| data.getUint16( offset + 2, true ), |
| data.getUint16( offset + 4, true ) |
| ); |
|
|
| uvIndices.push( |
| data.getUint16( offset + 6, true ), |
| data.getUint16( offset + 8, true ), |
| data.getUint16( offset + 10, true ) |
| ); |
|
|
| offset += 12; |
|
|
| } |
|
|
| |
|
|
| var translation = new THREE.Vector3(); |
| var scale = new THREE.Vector3(); |
| var string = []; |
|
|
| var frames = []; |
|
|
| offset = header.offset_frames; |
|
|
| for ( var i = 0, l = header.num_frames; i < l; i ++ ) { |
|
|
| scale.set( |
| data.getFloat32( offset + 0, true ), |
| data.getFloat32( offset + 4, true ), |
| data.getFloat32( offset + 8, true ) |
| ); |
|
|
| translation.set( |
| data.getFloat32( offset + 12, true ), |
| data.getFloat32( offset + 16, true ), |
| data.getFloat32( offset + 20, true ) |
| ); |
|
|
| offset += 24; |
|
|
| for ( var j = 0; j < 16; j ++ ) { |
|
|
| var character = data.getUint8( offset + j, true ); |
| if ( character === 0 ) break; |
|
|
| string[ j ] = character; |
|
|
| } |
|
|
| var frame = { |
| name: String.fromCharCode.apply( null, string ), |
| vertices: [], |
| normals: [] |
| }; |
|
|
| offset += 16; |
|
|
| for ( var j = 0; j < header.num_vertices; j ++ ) { |
|
|
| var x = data.getUint8( offset ++, true ); |
| var y = data.getUint8( offset ++, true ); |
| var z = data.getUint8( offset ++, true ); |
| var n = normalData[ data.getUint8( offset ++, true ) ]; |
|
|
| x = x * scale.x + translation.x; |
| y = y * scale.y + translation.y; |
| z = z * scale.z + translation.z; |
|
|
| frame.vertices.push( x, z, y ); |
| frame.normals.push( n[ 0 ], n[ 2 ], n[ 1 ] ); |
|
|
| } |
|
|
| frames.push( frame ); |
|
|
| } |
|
|
| |
|
|
| var positions = []; |
| var normals = []; |
| var uvs = []; |
|
|
| var verticesTemp = frames[ 0 ].vertices; |
| var normalsTemp = frames[ 0 ].normals; |
|
|
| for ( var i = 0, l = vertexIndices.length; i < l; i ++ ) { |
|
|
| var vertexIndex = vertexIndices[ i ]; |
| var stride = vertexIndex * 3; |
|
|
| |
|
|
| var x = verticesTemp[ stride ]; |
| var y = verticesTemp[ stride + 1 ]; |
| var z = verticesTemp[ stride + 2 ]; |
|
|
| positions.push( x, y, z ); |
|
|
| |
|
|
| var nx = normalsTemp[ stride ]; |
| var ny = normalsTemp[ stride + 1 ]; |
| var nz = normalsTemp[ stride + 2 ]; |
|
|
| normals.push( nx, ny, nz ); |
|
|
| |
|
|
| var uvIndex = uvIndices[ i ]; |
| stride = uvIndex * 2; |
|
|
| var u = uvsTemp[ stride ]; |
| var v = uvsTemp[ stride + 1 ]; |
|
|
| uvs.push( u, v ); |
|
|
| } |
|
|
| geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) ); |
| geometry.addAttribute( 'normal', new THREE.Float32BufferAttribute( normals, 3 ) ); |
| geometry.addAttribute( 'uv', new THREE.Float32BufferAttribute( uvs, 2 ) ); |
|
|
| |
|
|
| var morphPositions = []; |
| var morphNormals = []; |
|
|
| for ( var i = 0, l = frames.length; i < l; i ++ ) { |
|
|
| var frame = frames[ i ]; |
| var attributeName = frame.name; |
|
|
| if ( frame.vertices.length > 0 ) { |
|
|
| var positions = []; |
|
|
| for ( var j = 0, jl = vertexIndices.length; j < jl; j ++ ) { |
|
|
| var vertexIndex = vertexIndices[ j ]; |
| var stride = vertexIndex * 3; |
|
|
| var x = frame.vertices[ stride ]; |
| var y = frame.vertices[ stride + 1 ]; |
| var z = frame.vertices[ stride + 2 ]; |
|
|
| positions.push( x, y, z ); |
|
|
| } |
|
|
| var positionAttribute = new THREE.Float32BufferAttribute( positions, 3 ); |
| positionAttribute.name = attributeName; |
|
|
| morphPositions.push( positionAttribute ); |
|
|
| } |
|
|
| if ( frame.normals.length > 0 ) { |
|
|
| var normals = []; |
|
|
| for ( var j = 0, jl = vertexIndices.length; j < jl; j ++ ) { |
|
|
| var vertexIndex = vertexIndices[ j ]; |
| var stride = vertexIndex * 3; |
|
|
| var nx = frame.normals[ stride ]; |
| var ny = frame.normals[ stride + 1 ]; |
| var nz = frame.normals[ stride + 2 ]; |
|
|
| normals.push( nx, ny, nz ); |
|
|
| } |
|
|
| var normalAttribute = new THREE.Float32BufferAttribute( normals, 3 ); |
| normalAttribute.name = attributeName; |
|
|
| morphNormals.push( normalAttribute ); |
|
|
| } |
|
|
| } |
|
|
| geometry.morphAttributes.position = morphPositions; |
| geometry.morphAttributes.normal = morphNormals; |
|
|
| geometry.animations = THREE.AnimationClip.CreateClipsFromMorphTargetSequences( frames, 10 ); |
|
|
| console.timeEnd( 'MD2Loader' ); |
|
|
| return geometry; |
|
|
| }; |
|
|
| } )() |
|
|
| }; |
|
|
