bytev-charts-beta
Version:
基于echarts和JavaScript及ES6封装的一个可以直接调用的图表组件库，内置主题设计，简单快捷，且支持用户自定义配置； npm 安装方式: npm install bytev-charts 若启动提示还需额外install插件,则运行 npm install @babel/runtime-corejs2 即可;
387 lines (312 loc) • 10.4 kB
JavaScript
import "core-js/modules/es.symbol.js";
import "core-js/modules/es.symbol.description.js";
function LWO3Parser(IFFParser) {
this.IFF = IFFParser;
}
LWO3Parser.prototype = {
constructor: LWO3Parser,
parseBlock: function parseBlock() {
this.IFF["debugger"].offset = this.IFF.reader.offset;
this.IFF["debugger"].closeForms();
var blockID = this.IFF.reader.getIDTag();
var length = this.IFF.reader.getUint32(); // size of data in bytes
this.IFF["debugger"].dataOffset = this.IFF.reader.offset;
this.IFF["debugger"].length = length; // Data types may be found in either LWO2 OR LWO3 spec
switch (blockID) {
case 'FORM':
// form blocks may consist of sub -chunks or sub-forms
this.IFF.parseForm(length);
break;
// SKIPPED CHUNKS
// MISC skipped
case 'ICON': // Thumbnail Icon Image
case 'VMPA': // Vertex Map Parameter
case 'BBOX': // bounding box
// case 'VMMD':
// case 'VTYP':
// normal maps can be specified, normally on models imported from other applications. Currently ignored
case 'NORM': // ENVL FORM skipped
case 'PRE ':
case 'POST':
case 'KEY ':
case 'SPAN': // CLIP FORM skipped
case 'TIME':
case 'CLRS':
case 'CLRA':
case 'FILT':
case 'DITH':
case 'CONT':
case 'BRIT':
case 'SATR':
case 'HUE ':
case 'GAMM':
case 'NEGA':
case 'IFLT':
case 'PFLT': // Image Map Layer skipped
case 'PROJ':
case 'AXIS':
case 'AAST':
case 'PIXB':
case 'STCK': // Procedural Textures skipped
case 'VALU': // Gradient Textures skipped
case 'PNAM':
case 'INAM':
case 'GRST':
case 'GREN':
case 'GRPT':
case 'FKEY':
case 'IKEY': // Texture Mapping Form skipped
case 'CSYS': // Surface CHUNKs skipped
case 'OPAQ': // top level 'opacity' checkbox
case 'CMAP': // clip map
// Surface node CHUNKS skipped
// These mainly specify the node editor setup in LW
case 'NLOC':
case 'NZOM':
case 'NVER':
case 'NSRV':
case 'NCRD':
case 'NMOD':
case 'NSEL':
case 'NPRW':
case 'NPLA':
case 'VERS':
case 'ENUM':
case 'TAG ': // Car Material CHUNKS
case 'CGMD':
case 'CGTY':
case 'CGST':
case 'CGEN':
case 'CGTS':
case 'CGTE':
case 'OSMP':
case 'OMDE':
case 'OUTR':
case 'FLAG':
case 'TRNL':
case 'SHRP':
case 'RFOP':
case 'RSAN':
case 'TROP':
case 'RBLR':
case 'TBLR':
case 'CLRH':
case 'CLRF':
case 'ADTR':
case 'GLOW':
case 'LINE':
case 'ALPH':
case 'VCOL':
case 'ENAB':
this.IFF["debugger"].skipped = true;
this.IFF.reader.skip(length);
break;
// Texture node chunks (not in spec)
case 'IPIX': // usePixelBlending
case 'IMIP': // useMipMaps
case 'IMOD': // imageBlendingMode
case 'AMOD': // unknown
case 'IINV': // imageInvertAlpha
case 'INCR': // imageInvertColor
case 'IAXS': // imageAxis ( for non-UV maps)
case 'IFOT': // imageFallofType
case 'ITIM': // timing for animated textures
case 'IWRL':
case 'IUTI':
case 'IINX':
case 'IINY':
case 'IINZ':
case 'IREF':
// possibly a VX for reused texture nodes
if (length === 4) this.IFF.currentNode[blockID] = this.IFF.reader.getInt32();else this.IFF.reader.skip(length);
break;
case 'OTAG':
this.IFF.parseObjectTag();
break;
case 'LAYR':
this.IFF.parseLayer(length);
break;
case 'PNTS':
this.IFF.parsePoints(length);
break;
case 'VMAP':
this.IFF.parseVertexMapping(length);
break;
case 'POLS':
this.IFF.parsePolygonList(length);
break;
case 'TAGS':
this.IFF.parseTagStrings(length);
break;
case 'PTAG':
this.IFF.parsePolygonTagMapping(length);
break;
case 'VMAD':
this.IFF.parseVertexMapping(length, true);
break;
// Misc CHUNKS
case 'DESC':
// Description Line
this.IFF.currentForm.description = this.IFF.reader.getString();
break;
case 'TEXT':
case 'CMNT':
case 'NCOM':
this.IFF.currentForm.comment = this.IFF.reader.getString();
break;
// Envelope Form
case 'NAME':
this.IFF.currentForm.channelName = this.IFF.reader.getString();
break;
// Image Map Layer
case 'WRAP':
this.IFF.currentForm.wrap = {
w: this.IFF.reader.getUint16(),
h: this.IFF.reader.getUint16()
};
break;
case 'IMAG':
var index = this.IFF.reader.getVariableLengthIndex();
this.IFF.currentForm.imageIndex = index;
break;
// Texture Mapping Form
case 'OREF':
this.IFF.currentForm.referenceObject = this.IFF.reader.getString();
break;
case 'ROID':
this.IFF.currentForm.referenceObjectID = this.IFF.reader.getUint32();
break;
// Surface Blocks
case 'SSHN':
this.IFF.currentSurface.surfaceShaderName = this.IFF.reader.getString();
break;
case 'AOVN':
this.IFF.currentSurface.surfaceCustomAOVName = this.IFF.reader.getString();
break;
// Nodal Blocks
case 'NSTA':
this.IFF.currentForm.disabled = this.IFF.reader.getUint16();
break;
case 'NRNM':
this.IFF.currentForm.realName = this.IFF.reader.getString();
break;
case 'NNME':
this.IFF.currentForm.refName = this.IFF.reader.getString();
this.IFF.currentSurface.nodes[this.IFF.currentForm.refName] = this.IFF.currentForm;
break;
// Nodal Blocks : connections
case 'INME':
if (!this.IFF.currentForm.nodeName) this.IFF.currentForm.nodeName = [];
this.IFF.currentForm.nodeName.push(this.IFF.reader.getString());
break;
case 'IINN':
if (!this.IFF.currentForm.inputNodeName) this.IFF.currentForm.inputNodeName = [];
this.IFF.currentForm.inputNodeName.push(this.IFF.reader.getString());
break;
case 'IINM':
if (!this.IFF.currentForm.inputName) this.IFF.currentForm.inputName = [];
this.IFF.currentForm.inputName.push(this.IFF.reader.getString());
break;
case 'IONM':
if (!this.IFF.currentForm.inputOutputName) this.IFF.currentForm.inputOutputName = [];
this.IFF.currentForm.inputOutputName.push(this.IFF.reader.getString());
break;
case 'FNAM':
this.IFF.currentForm.fileName = this.IFF.reader.getString();
break;
case 'CHAN':
// NOTE: ENVL Forms may also have CHAN chunk, however ENVL is currently ignored
if (length === 4) this.IFF.currentForm.textureChannel = this.IFF.reader.getIDTag();else this.IFF.reader.skip(length);
break;
// LWO2 Spec chunks: these are needed since the SURF FORMs are often in LWO2 format
case 'SMAN':
var maxSmoothingAngle = this.IFF.reader.getFloat32();
this.IFF.currentSurface.attributes.smooth = maxSmoothingAngle < 0 ? false : true;
break;
// LWO2: Basic Surface Parameters
case 'COLR':
this.IFF.currentSurface.attributes.Color = {
value: this.IFF.reader.getFloat32Array(3)
};
this.IFF.reader.skip(2); // VX: envelope
break;
case 'LUMI':
this.IFF.currentSurface.attributes.Luminosity = {
value: this.IFF.reader.getFloat32()
};
this.IFF.reader.skip(2);
break;
case 'SPEC':
this.IFF.currentSurface.attributes.Specular = {
value: this.IFF.reader.getFloat32()
};
this.IFF.reader.skip(2);
break;
case 'DIFF':
this.IFF.currentSurface.attributes.Diffuse = {
value: this.IFF.reader.getFloat32()
};
this.IFF.reader.skip(2);
break;
case 'REFL':
this.IFF.currentSurface.attributes.Reflection = {
value: this.IFF.reader.getFloat32()
};
this.IFF.reader.skip(2);
break;
case 'GLOS':
this.IFF.currentSurface.attributes.Glossiness = {
value: this.IFF.reader.getFloat32()
};
this.IFF.reader.skip(2);
break;
case 'TRAN':
this.IFF.currentSurface.attributes.opacity = this.IFF.reader.getFloat32();
this.IFF.reader.skip(2);
break;
case 'BUMP':
this.IFF.currentSurface.attributes.bumpStrength = this.IFF.reader.getFloat32();
this.IFF.reader.skip(2);
break;
case 'SIDE':
this.IFF.currentSurface.attributes.side = this.IFF.reader.getUint16();
break;
case 'RIMG':
this.IFF.currentSurface.attributes.reflectionMap = this.IFF.reader.getVariableLengthIndex();
break;
case 'RIND':
this.IFF.currentSurface.attributes.refractiveIndex = this.IFF.reader.getFloat32();
this.IFF.reader.skip(2);
break;
case 'TIMG':
this.IFF.currentSurface.attributes.refractionMap = this.IFF.reader.getVariableLengthIndex();
break;
case 'IMAP':
this.IFF.currentSurface.attributes.imageMapIndex = this.IFF.reader.getUint32();
break;
case 'IUVI':
// uv channel name
this.IFF.currentNode.UVChannel = this.IFF.reader.getString(length);
break;
case 'IUTL':
// widthWrappingMode: 0 = Reset, 1 = Repeat, 2 = Mirror, 3 = Edge
this.IFF.currentNode.widthWrappingMode = this.IFF.reader.getUint32();
break;
case 'IVTL':
// heightWrappingMode
this.IFF.currentNode.heightWrappingMode = this.IFF.reader.getUint32();
break;
default:
this.IFF.parseUnknownCHUNK(blockID, length);
}
if (blockID != 'FORM') {
this.IFF["debugger"].node = 1;
this.IFF["debugger"].nodeID = blockID;
this.IFF["debugger"].log();
}
if (this.IFF.reader.offset >= this.IFF.currentFormEnd) {
this.IFF.currentForm = this.IFF.parentForm;
}
}
};
export { LWO3Parser };