@vrame/xeokit-sdk
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3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision
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JavaScript
import {ENTITY_FLAGS} from '../../../ENTITY_FLAGS.js';
import {RENDER_PASSES} from '../../../RENDER_PASSES.js';
import {math} from "../../../../math/math.js";
import {RenderState} from "../../../../webgl/RenderState.js";
import {ArrayBuf} from "../../../../webgl/ArrayBuf.js";
import {getRenderers} from "./renderers/Renderers.js";
const tempUint8Vec4 = new Uint8Array(4);
const tempFloat32 = new Float32Array(1);
const tempVec4a = math.vec4([0, 0, 0, 1]);
const tempVec3fa = new Float32Array(3);
const tempVec3a = math.vec3();
const tempVec3b = math.vec3();
const tempVec3c = math.vec3();
const tempVec3d = math.vec3();
const tempVec3e = math.vec3();
const tempVec3f = math.vec3();
const tempVec3g = math.vec3();
const tempFloat32Vec4 = new Float32Array(4);
/**
* @private
*/
export class VBOInstancingTrianglesLayer {
/**
* @param cfg
* @param cfg.layerIndex
* @param cfg.model
* @param cfg.geometry
* @param cfg.textureSet
* @param cfg.origin
*/
constructor(cfg) {
// console.info("Creating VBOInstancingTrianglesLayer");
/**
* Owner model
* @type {VBOSceneModel}
*/
this.model = cfg.model;
/**
* State sorting key.
* @type {string}
*/
this.sortId = "TrianglesInstancingLayer" + (cfg.solid ? "-solid" : "-surface") + (cfg.normals ? "-normals" : "-autoNormals");
/**
* Index of this InstancingLayer in VBOSceneModel#_layerList
* @type {Number}
*/
this.layerIndex = cfg.layerIndex;
this._renderers = getRenderers(cfg.model.scene);
this._aabb = math.collapseAABB3();
this._state = new RenderState({
numInstances: 0,
obb: math.OBB3(),
origin: math.vec3(),
geometry: cfg.geometry,
textureSet: cfg.textureSet,
pbrSupported: false, // Set in #finalize if we have enough to support quality rendering
positionsDecodeMatrix: cfg.geometry.positionsDecodeMatrix, // So we can null the geometry for GC
colorsBuf: null,
metallicRoughnessBuf: null,
flagsBuf: null,
offsetsBuf: null,
modelMatrixBuf: null,
modelMatrixCol0Buf: null,
modelMatrixCol1Buf: null,
modelMatrixCol2Buf: null,
modelNormalMatrixCol0Buf: null,
modelNormalMatrixCol1Buf: null,
modelNormalMatrixCol2Buf: null,
pickColorsBuf: null
});
// These counts are used to avoid unnecessary render passes
this._numPortions = 0;
this._numVisibleLayerPortions = 0;
this._numTransparentLayerPortions = 0;
this._numXRayedLayerPortions = 0;
this._numHighlightedLayerPortions = 0;
this._numSelectedLayerPortions = 0;
this._numClippableLayerPortions = 0;
this._numEdgesLayerPortions = 0;
this._numPickableLayerPortions = 0;
this._numCulledLayerPortions = 0;
/** @private */
this.numIndices = cfg.geometry.numIndices;
// Vertex arrays
this._colors = [];
this._metallicRoughness = [];
this._pickColors = [];
this._offsets = [];
// Modeling matrix per instance, array for each column
this._modelMatrix = [];
this._modelMatrixCol0 = [];
this._modelMatrixCol1 = [];
this._modelMatrixCol2 = [];
// Modeling normal matrix per instance, array for each column
this._modelNormalMatrixCol0 = [];
this._modelNormalMatrixCol1 = [];
this._modelNormalMatrixCol2 = [];
this._portions = [];
this._meshes = [];
this._aabb = math.collapseAABB3();
this.aabbDirty = true;
if (cfg.origin) {
this._state.origin.set(cfg.origin);
}
this._finalized = false;
/**
* When true, this layer contains solid triangle meshes, otherwise this layer contains surface triangle meshes
* @type {boolean}
*/
this.solid = !!cfg.solid;
/**
* The number of indices in this layer.
* @type {number|*}
*/
this.numIndices = cfg.geometry.numIndices;
/**
* The type of primitives in this layer.
*/
this.primitive = cfg.geometry.primitive;
}
get aabb() {
if (this.aabbDirty) {
math.collapseAABB3(this._aabb);
for (let i = 0, len = this._meshes.length; i < len; i++) {
math.expandAABB3(this._aabb, this._meshes[i].aabb);
}
this.aabbDirty = false;
}
return this._aabb;
}
/**
* Creates a new portion within this InstancingLayer, returns the new portion ID.
*
* The portion will instance this InstancingLayer's geometry.
*
* Gives the portion the specified color and matrix.
*
* @param mesh The SceneModelMesh that owns the portion
* @param cfg Portion params
* @param cfg.color Color [0..255,0..255,0..255]
* @param cfg.metallic Metalness factor [0..255]
* @param cfg.roughness Roughness factor [0..255]
* @param cfg.opacity Opacity [0..255].
* @param cfg.meshMatrix Flat float 4x4 matrix.
* @param [cfg.worldMatrix] Flat float 4x4 matrix.
* @param cfg.pickColor Quantized pick color
* @returns {number} Portion ID.
*/
createPortion(mesh, cfg) {
const color = cfg.color;
const metallic = cfg.metallic;
const roughness = cfg.roughness;
const opacity = cfg.opacity !== null && cfg.opacity !== undefined ? cfg.opacity : 255;
const meshMatrix = cfg.meshMatrix;
const pickColor = cfg.pickColor;
if (this._finalized) {
throw "Already finalized";
}
const r = color[0]; // Color is pre-quantized by SceneModel
const g = color[1];
const b = color[2];
this._colors.push(r);
this._colors.push(g);
this._colors.push(b);
this._colors.push(opacity);
this._metallicRoughness.push((metallic !== null && metallic !== undefined) ? metallic : 0);
this._metallicRoughness.push((roughness !== null && roughness !== undefined) ? roughness : 255);
if (this.model.scene.entityOffsetsEnabled) {
this._offsets.push(0);
this._offsets.push(0);
this._offsets.push(0);
}
this._modelMatrixCol0.push(meshMatrix[0]);
this._modelMatrixCol0.push(meshMatrix[4]);
this._modelMatrixCol0.push(meshMatrix[8]);
this._modelMatrixCol0.push(meshMatrix[12]);
this._modelMatrixCol1.push(meshMatrix[1]);
this._modelMatrixCol1.push(meshMatrix[5]);
this._modelMatrixCol1.push(meshMatrix[9]);
this._modelMatrixCol1.push(meshMatrix[13]);
this._modelMatrixCol2.push(meshMatrix[2]);
this._modelMatrixCol2.push(meshMatrix[6]);
this._modelMatrixCol2.push(meshMatrix[10]);
this._modelMatrixCol2.push(meshMatrix[14]);
if (this._state.geometry.normals) {
// Note: order of inverse and transpose doesn't matter
let transposedMat = math.transposeMat4(meshMatrix, math.mat4()); // TODO: Use cached matrix
let normalMatrix = math.inverseMat4(transposedMat);
this._modelNormalMatrixCol0.push(normalMatrix[0]);
this._modelNormalMatrixCol0.push(normalMatrix[4]);
this._modelNormalMatrixCol0.push(normalMatrix[8]);
this._modelNormalMatrixCol0.push(normalMatrix[12]);
this._modelNormalMatrixCol1.push(normalMatrix[1]);
this._modelNormalMatrixCol1.push(normalMatrix[5]);
this._modelNormalMatrixCol1.push(normalMatrix[9]);
this._modelNormalMatrixCol1.push(normalMatrix[13]);
this._modelNormalMatrixCol2.push(normalMatrix[2]);
this._modelNormalMatrixCol2.push(normalMatrix[6]);
this._modelNormalMatrixCol2.push(normalMatrix[10]);
this._modelNormalMatrixCol2.push(normalMatrix[14]);
}
// Per-vertex pick colors
this._pickColors.push(pickColor[0]);
this._pickColors.push(pickColor[1]);
this._pickColors.push(pickColor[2]);
this._pickColors.push(pickColor[3]);
this._state.numInstances++;
const portionId = this._portions.length;
const portion = {};
if (this.model.scene.readableGeometryEnabled) {
portion.matrix = meshMatrix.slice();
portion.inverseMatrix = null; // Lazy-computed in precisionRayPickSurface
portion.normalMatrix = null; // Lazy-computed in precisionRayPickSurface
}
this._portions.push(portion);
this._numPortions++;
this.model.numPortions++;
this._meshes.push(mesh);
return portionId;
}
finalize() {
if (this._finalized) {
return;
}
const state = this._state;
const geometry = state.geometry;
const textureSet = state.textureSet;
const gl = this.model.scene.canvas.gl;
const colorsLength = this._colors.length;
const flagsLength = colorsLength / 4;
if (colorsLength > 0) {
let notNormalized = false;
state.colorsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Uint8Array(this._colors), this._colors.length, 4, gl.DYNAMIC_DRAW, notNormalized);
this._colors = []; // Release memory
}
if (this._metallicRoughness.length > 0) {
const metallicRoughness = new Uint8Array(this._metallicRoughness);
let normalized = false;
state.metallicRoughnessBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, metallicRoughness, this._metallicRoughness.length, 2, gl.STATIC_DRAW, normalized);
}
if (flagsLength > 0) {
// Because we only build flags arrays here,
// get their length from the colors array
let notNormalized = false;
state.flagsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(flagsLength), flagsLength, 1, gl.DYNAMIC_DRAW, notNormalized);
}
if (this.model.scene.entityOffsetsEnabled) {
if (this._offsets.length > 0) {
const notNormalized = false;
state.offsetsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(this._offsets), this._offsets.length, 3, gl.DYNAMIC_DRAW, notNormalized);
this._offsets = []; // Release memory
}
}
if (geometry.positionsCompressed && geometry.positionsCompressed.length > 0) {
const normalized = false;
state.positionsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, geometry.positionsCompressed, geometry.positionsCompressed.length, 3, gl.STATIC_DRAW, normalized);
state.positionsDecodeMatrix = math.mat4(geometry.positionsDecodeMatrix);
}
// if (geometry.normalsCompressed && geometry.normalsCompressed.length > 0) {
// const normalized = true; // For oct-encoded UInt8
// state.normalsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, geometry.normalsCompressed, geometry.normalsCompressed.length, 3, gl.STATIC_DRAW, normalized);
// }
if (geometry.colorsCompressed && geometry.colorsCompressed.length > 0) {
const colorsCompressed = new Uint8Array(geometry.colorsCompressed);
const notNormalized = false;
state.colorsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, colorsCompressed, colorsCompressed.length, 4, gl.STATIC_DRAW, notNormalized);
}
if (geometry.uvCompressed && geometry.uvCompressed.length > 0) {
const uvCompressed = geometry.uvCompressed;
state.uvDecodeMatrix = geometry.uvDecodeMatrix;
state.uvBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, uvCompressed, uvCompressed.length, 2, gl.STATIC_DRAW, false);
}
if (geometry.indices && geometry.indices.length > 0) {
state.indicesBuf = new ArrayBuf(gl, gl.ELEMENT_ARRAY_BUFFER, new Uint32Array(geometry.indices), geometry.indices.length, 1, gl.STATIC_DRAW);
state.numIndices = geometry.indices.length;
}
if (geometry.edgeIndices && geometry.edgeIndices.length > 0) {
state.edgeIndicesBuf = new ArrayBuf(gl, gl.ELEMENT_ARRAY_BUFFER, new Uint32Array(geometry.edgeIndices), geometry.edgeIndices.length, 1, gl.STATIC_DRAW);
}
if (this._modelMatrixCol0.length > 0) {
const normalized = false;
state.modelMatrixCol0Buf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(this._modelMatrixCol0), this._modelMatrixCol0.length, 4, gl.STATIC_DRAW, normalized);
state.modelMatrixCol1Buf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(this._modelMatrixCol1), this._modelMatrixCol1.length, 4, gl.STATIC_DRAW, normalized);
state.modelMatrixCol2Buf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(this._modelMatrixCol2), this._modelMatrixCol2.length, 4, gl.STATIC_DRAW, normalized);
this._modelMatrixCol0 = [];
this._modelMatrixCol1 = [];
this._modelMatrixCol2 = [];
if (state.normalsBuf) {
state.modelNormalMatrixCol0Buf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(this._modelNormalMatrixCol0), this._modelNormalMatrixCol0.length, 4, gl.STATIC_DRAW, normalized);
state.modelNormalMatrixCol1Buf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(this._modelNormalMatrixCol1), this._modelNormalMatrixCol1.length, 4, gl.STATIC_DRAW, normalized);
state.modelNormalMatrixCol2Buf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Float32Array(this._modelNormalMatrixCol2), this._modelNormalMatrixCol2.length, 4, gl.STATIC_DRAW, normalized);
this._modelNormalMatrixCol0 = [];
this._modelNormalMatrixCol1 = [];
this._modelNormalMatrixCol2 = [];
}
}
if (this._pickColors.length > 0) {
const normalized = false;
state.pickColorsBuf = new ArrayBuf(gl, gl.ARRAY_BUFFER, new Uint8Array(this._pickColors), this._pickColors.length, 4, gl.STATIC_DRAW, normalized);
this._pickColors = []; // Release memory
}
state.pbrSupported
= !!state.metallicRoughnessBuf
&& !!state.uvBuf
&& !!state.normalsBuf
&& !!textureSet
&& !!textureSet.colorTexture
&& !!textureSet.metallicRoughnessTexture;
state.colorTextureSupported
= !!state.uvBuf
&& !!textureSet
&& !!textureSet.colorTexture;
if (!this.model.scene.readableGeometryEnabled) {
this._state.geometry = null;
}
this._finalized = true;
}
// The following setters are called by VBOSceneModelMesh, in turn called by VBOSceneModelNode, only after the layer is finalized.
// It's important that these are called after finalize() in order to maintain integrity of counts like _numVisibleLayerPortions etc.
initFlags(portionId, flags, meshTransparent) {
if (flags & ENTITY_FLAGS.VISIBLE) {
this._numVisibleLayerPortions++;
this.model.numVisibleLayerPortions++;
}
if (flags & ENTITY_FLAGS.HIGHLIGHTED) {
this._numHighlightedLayerPortions++;
this.model.numHighlightedLayerPortions++;
}
if (flags & ENTITY_FLAGS.XRAYED) {
this._numXRayedLayerPortions++;
this.model.numXRayedLayerPortions++;
}
if (flags & ENTITY_FLAGS.SELECTED) {
this._numSelectedLayerPortions++;
this.model.numSelectedLayerPortions++;
}
if (flags & ENTITY_FLAGS.CLIPPABLE) {
this._numClippableLayerPortions++;
this.model.numClippableLayerPortions++;
}
if (flags & ENTITY_FLAGS.EDGES) {
this._numEdgesLayerPortions++;
this.model.numEdgesLayerPortions++;
}
if (flags & ENTITY_FLAGS.PICKABLE) {
this._numPickableLayerPortions++;
this.model.numPickableLayerPortions++;
}
if (flags & ENTITY_FLAGS.CULLED) {
this._numCulledLayerPortions++;
this.model.numCulledLayerPortions++;
}
if (meshTransparent) {
this._numTransparentLayerPortions++;
this.model.numTransparentLayerPortions++;
}
this._setFlags(portionId, flags, meshTransparent);
}
setVisible(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.VISIBLE) {
this._numVisibleLayerPortions++;
this.model.numVisibleLayerPortions++;
} else {
this._numVisibleLayerPortions--;
this.model.numVisibleLayerPortions--;
}
this._setFlags(portionId, flags, meshTransparent);
}
setHighlighted(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.HIGHLIGHTED) {
this._numHighlightedLayerPortions++;
this.model.numHighlightedLayerPortions++;
} else {
this._numHighlightedLayerPortions--;
this.model.numHighlightedLayerPortions--;
}
this._setFlags(portionId, flags, meshTransparent);
}
setXRayed(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.XRAYED) {
this._numXRayedLayerPortions++;
this.model.numXRayedLayerPortions++;
} else {
this._numXRayedLayerPortions--;
this.model.numXRayedLayerPortions--;
}
this._setFlags(portionId, flags, meshTransparent);
}
setSelected(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.SELECTED) {
this._numSelectedLayerPortions++;
this.model.numSelectedLayerPortions++;
} else {
this._numSelectedLayerPortions--;
this.model.numSelectedLayerPortions--;
}
this._setFlags(portionId, flags, meshTransparent);
}
setEdges(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.EDGES) {
this._numEdgesLayerPortions++;
this.model.numEdgesLayerPortions++;
} else {
this._numEdgesLayerPortions--;
this.model.numEdgesLayerPortions--;
}
this._setFlags(portionId, flags, meshTransparent);
}
setClippable(portionId, flags) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.CLIPPABLE) {
this._numClippableLayerPortions++;
this.model.numClippableLayerPortions++;
} else {
this._numClippableLayerPortions--;
this.model.numClippableLayerPortions--;
}
this._setFlags(portionId, flags);
}
setCollidable(portionId, flags) {
if (!this._finalized) {
throw "Not finalized";
}
}
setPickable(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.PICKABLE) {
this._numPickableLayerPortions++;
this.model.numPickableLayerPortions++;
} else {
this._numPickableLayerPortions--;
this.model.numPickableLayerPortions--;
}
this._setFlags(portionId, flags, meshTransparent);
}
setCulled(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
if (flags & ENTITY_FLAGS.CULLED) {
this._numCulledLayerPortions++;
this.model.numCulledLayerPortions++;
} else {
this._numCulledLayerPortions--;
this.model.numCulledLayerPortions--;
}
this._setFlags(portionId, flags, meshTransparent);
}
setColor(portionId, color) { // RGBA color is normalized as ints
if (!this._finalized) {
throw "Not finalized";
}
tempUint8Vec4[0] = color[0];
tempUint8Vec4[1] = color[1];
tempUint8Vec4[2] = color[2];
tempUint8Vec4[3] = color[3];
if (this._state.colorsBuf) {
this._state.colorsBuf.setData(tempUint8Vec4, portionId * 4);
}
}
setTransparent(portionId, flags, transparent) {
if (transparent) {
this._numTransparentLayerPortions++;
this.model.numTransparentLayerPortions++;
} else {
this._numTransparentLayerPortions--;
this.model.numTransparentLayerPortions--;
}
this._setFlags(portionId, flags, transparent);
}
// setMatrix(portionId, matrix) {
//
// if (!this._finalized) {
// throw "Not finalized";
// }
//
// var offset = portionId * 4;
//
// tempFloat32Vec4[0] = matrix[0];
// tempFloat32Vec4[1] = matrix[4];
// tempFloat32Vec4[2] = matrix[8];
// tempFloat32Vec4[3] = matrix[12];
//
// this._state.modelMatrixCol0Buf.setData(tempFloat32Vec4, offset);
//
// tempFloat32Vec4[0] = matrix[1];
// tempFloat32Vec4[1] = matrix[5];
// tempFloat32Vec4[2] = matrix[9];
// tempFloat32Vec4[3] = matrix[13];
//
// this._state.modelMatrixCol1Buf.setData(tempFloat32Vec4, offset);
//
// tempFloat32Vec4[0] = matrix[2];
// tempFloat32Vec4[1] = matrix[6];
// tempFloat32Vec4[2] = matrix[10];
// tempFloat32Vec4[3] = matrix[14];
//
// this._state.modelMatrixCol2Buf.setData(tempFloat32Vec4, offset);
// }
/**
* flags are 4bits values encoded on a 32bit base. color flag on the first 4 bits, silhouette flag on the next 4 bits and so on for edge, pick and clippable.
*/
_setFlags(portionId, flags, meshTransparent) {
if (!this._finalized) {
throw "Not finalized";
}
const visible = !!(flags & ENTITY_FLAGS.VISIBLE);
const xrayed = !!(flags & ENTITY_FLAGS.XRAYED);
const highlighted = !!(flags & ENTITY_FLAGS.HIGHLIGHTED);
const selected = !!(flags & ENTITY_FLAGS.SELECTED);
const edges = !!(flags & ENTITY_FLAGS.EDGES);
const pickable = !!(flags & ENTITY_FLAGS.PICKABLE);
const culled = !!(flags & ENTITY_FLAGS.CULLED);
let colorFlag;
if (!visible || culled || xrayed
|| (highlighted && !this.model.scene.highlightMaterial.glowThrough)
|| (selected && !this.model.scene.selectedMaterial.glowThrough)) {
colorFlag = RENDER_PASSES.NOT_RENDERED;
} else {
if (meshTransparent) {
colorFlag = RENDER_PASSES.COLOR_TRANSPARENT;
} else {
colorFlag = RENDER_PASSES.COLOR_OPAQUE;
}
}
let silhouetteFlag;
if (!visible || culled) {
silhouetteFlag = RENDER_PASSES.NOT_RENDERED;
} else if (selected) {
silhouetteFlag = RENDER_PASSES.SILHOUETTE_SELECTED;
} else if (highlighted) {
silhouetteFlag = RENDER_PASSES.SILHOUETTE_HIGHLIGHTED;
} else if (xrayed) {
silhouetteFlag = RENDER_PASSES.SILHOUETTE_XRAYED;
} else {
silhouetteFlag = RENDER_PASSES.NOT_RENDERED;
}
let edgeFlag = 0;
if (!visible || culled) {
edgeFlag = RENDER_PASSES.NOT_RENDERED;
} else if (selected) {
edgeFlag = RENDER_PASSES.EDGES_SELECTED;
} else if (highlighted) {
edgeFlag = RENDER_PASSES.EDGES_HIGHLIGHTED;
} else if (xrayed) {
edgeFlag = RENDER_PASSES.EDGES_XRAYED;
} else if (edges) {
if (meshTransparent) {
edgeFlag = RENDER_PASSES.EDGES_COLOR_TRANSPARENT;
} else {
edgeFlag = RENDER_PASSES.EDGES_COLOR_OPAQUE;
}
} else {
edgeFlag = RENDER_PASSES.NOT_RENDERED;
}
const pickFlag = (visible && !culled && pickable) ? RENDER_PASSES.PICK : RENDER_PASSES.NOT_RENDERED;
const clippableFlag = !!(flags & ENTITY_FLAGS.CLIPPABLE) ? 1 : 0;
let vertFlag = 0;
vertFlag |= colorFlag;
vertFlag |= silhouetteFlag << 4;
vertFlag |= edgeFlag << 8;
vertFlag |= pickFlag << 12;
vertFlag |= clippableFlag << 16;
tempFloat32[0] = vertFlag;
if (this._state.flagsBuf) {
this._state.flagsBuf.setData(tempFloat32, portionId);
}
}
setOffset(portionId, offset) {
if (!this._finalized) {
throw "Not finalized";
}
if (!this.model.scene.entityOffsetsEnabled) {
this.model.error("Entity#offset not enabled for this Viewer"); // See Viewer entityOffsetsEnabled
return;
}
tempVec3fa[0] = offset[0];
tempVec3fa[1] = offset[1];
tempVec3fa[2] = offset[2];
if (this._state.offsetsBuf) {
this._state.offsetsBuf.setData(tempVec3fa, portionId * 3);
}
}
getEachVertex(portionId, callback) {
if (!this.model.scene.readableGeometryEnabled) {
return false;
}
const state = this._state;
const geometry = state.geometry;
const portion = this._portions[portionId];
if (!portion) {
this.model.error("portion not found: " + portionId);
return;
}
const positions = geometry.positionsCompressed;
const sceneModelMatrix = this.model.matrix;
const origin = math.vec4();
origin.set(state.origin, 0);
origin[3] = 1;
math.mulMat4v4(sceneModelMatrix, origin, origin);
const offsetX = origin[0];
const offsetY = origin[1];
const offsetZ = origin[2];
const worldPos = tempVec4a;
const portionMatrix = portion.matrix;
const positionsDecodeMatrix = state.positionsDecodeMatrix;
for (let i = 0, len = positions.length; i < len; i += 3) {
worldPos[0] = positions[i];
worldPos[1] = positions[i + 1];
worldPos[2] = positions[i + 2];
math.decompressPosition(worldPos, positionsDecodeMatrix);
math.transformPoint3(portionMatrix, worldPos, worldPos);
worldPos[3] = 1;
math.mulMat4v4(sceneModelMatrix, worldPos, worldPos);
worldPos[0] += offsetX;
worldPos[1] += offsetY;
worldPos[2] += offsetZ;
callback(worldPos);
}
}
getEachIndex(portionId, callback) {
if (!this.model.scene.readableGeometryEnabled) {
return false;
}
const state = this._state;
const geometry = state.geometry;
const portion = this._portions[portionId];
if (!portion) {
this.model.error("portion not found: " + portionId);
return;
}
const indices = geometry.indices;
for (let i = 0, len = indices.length; i < len; i++) {
callback(indices[i]);
}
}
setMatrix(portionId, matrix) {
if (!this._finalized) {
throw "Not finalized";
}
////////////////////////////////////////
// TODO: Update portion matrix
////////////////////////////////////////
var offset = portionId * 4;
tempFloat32Vec4[0] = matrix[0];
tempFloat32Vec4[1] = matrix[4];
tempFloat32Vec4[2] = matrix[8];
tempFloat32Vec4[3] = matrix[12];
this._state.modelMatrixCol0Buf.setData(tempFloat32Vec4, offset);
tempFloat32Vec4[0] = matrix[1];
tempFloat32Vec4[1] = matrix[5];
tempFloat32Vec4[2] = matrix[9];
tempFloat32Vec4[3] = matrix[13];
this._state.modelMatrixCol1Buf.setData(tempFloat32Vec4, offset);
tempFloat32Vec4[0] = matrix[2];
tempFloat32Vec4[1] = matrix[6];
tempFloat32Vec4[2] = matrix[10];
tempFloat32Vec4[3] = matrix[14];
this._state.modelMatrixCol2Buf.setData(tempFloat32Vec4, offset);
}
readGeometryData(portionId) {
if (!this._finalized) {
throw "Not finalized";
}
const state = this._state;
const sceneModelMatrix = this.model.matrix;
const col0 = state.modelMatrixCol0Buf.getData(portionId, 1);
const col1 = state.modelMatrixCol1Buf.getData(portionId, 1);
const col2 = state.modelMatrixCol2Buf.getData(portionId, 1);
const portionMatrix = [
col0[0], col1[0], col2[0], 0,
col0[1], col1[1], col2[1], 0,
col0[2], col1[2], col2[2], 0,
col0[3], col1[3], col2[3], 1,
];
const positionsDecodeMatrix = state.positionsDecodeMatrix;
const origin = math.vec4();
origin.set(state.origin, 0);
origin[3] = 1;
math.mulMat4v4(sceneModelMatrix, origin, origin);
const indices = state.indicesBuf.getData();
const matrix = math.mulMat4(
portionMatrix,
positionsDecodeMatrix,
new Array(16)
);
math.mulMat4(
sceneModelMatrix,
matrix,
matrix
);
matrix[12] += origin[0];
matrix[13] += origin[1];
matrix[14] += origin[2];
const positionsQuantized = state.positionsBuf.getData();
const positions = math.transformPositions3(
matrix,
positionsQuantized,
new Array(positionsQuantized.length)
);
// const aabb = math.positions3ToAABB3(positions);
// console.log({aabbToniInstancing: aabb});
return { indices, positions };
}
// ---------------------- COLOR RENDERING -----------------------------------
drawColorOpaque(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numTransparentLayerPortions === this._numPortions || this._numXRayedLayerPortions === this._numPortions) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
const useAlphaCutoff = this._state.textureSet && (typeof (this._state.textureSet.alphaCutoff) === "number");
if (frameCtx.withSAO && this.model.saoEnabled) {
if (frameCtx.pbrEnabled && this.model.pbrEnabled && this._state.pbrSupported) {
if (this._renderers.pbrRendererWithSAO) {
this._renderers.pbrRendererWithSAO.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
} else if (frameCtx.colorTextureEnabled && this.model.colorTextureEnabled && this._state.colorTextureSupported) {
if (useAlphaCutoff) {
if (this._renderers.colorTextureRendererWithSAOAlphaCutoff) {
this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
} else {
if (this._renderers.colorTextureRendererWithSAO) {
this._renderers.colorTextureRendererWithSAO.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
}
} else if (this._state.normalsBuf) {
if (this._renderers.colorRendererWithSAO) {
this._renderers.colorRendererWithSAO.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
} else {
if (this._renderers.flatColorRendererWithSAO) {
this._renderers.flatColorRendererWithSAO.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
}
} else if (frameCtx.pbrEnabled && this.model.pbrEnabled && this._state.pbrSupported) {
if (this._renderers.pbrRenderer) {
this._renderers.pbrRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
} else if (frameCtx.colorTextureEnabled && this.model.colorTextureEnabled && this._state.colorTextureSupported) {
if (useAlphaCutoff) {
if (this._renderers.colorTextureRendererAlphaCutoff) {
this._renderers.colorTextureRendererAlphaCutoff.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
} else {
if (this._renderers.colorTextureRenderer) {
this._renderers.colorTextureRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
}
} else if (this._state.normalsBuf) {
if (this._renderers.colorRenderer) {
this._renderers.colorRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
} else {
if (this._renderers.flatColorRenderer) {
this._renderers.flatColorRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
}
}
_updateBackfaceCull(renderFlags, frameCtx) {
const backfaces = true; // See XCD-230
if (frameCtx.backfaces !== backfaces) {
const gl = frameCtx.gl;
if (backfaces) {
gl.disable(gl.CULL_FACE);
} else {
gl.enable(gl.CULL_FACE);
}
frameCtx.backfaces = backfaces;
}
}
drawColorTransparent(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numTransparentLayerPortions === 0 || this._numXRayedLayerPortions === this._numPortions) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (frameCtx.pbrEnabled && this.model.pbrEnabled && this._state.pbrSupported) {
if (this._renderers.pbrRenderer) {
this._renderers.pbrRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_TRANSPARENT);
}
} else if (frameCtx.colorTextureEnabled && this.model.colorTextureEnabled && this._state.colorTextureSupported) {
if (this._renderers.colorTextureRenderer) {
this._renderers.colorTextureRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_TRANSPARENT);
}
} else if (this._state.normalsBuf) {
if (this._renderers.colorRenderer) {
this._renderers.colorRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_TRANSPARENT);
}
} else {
if (this._renderers.flatColorRenderer) {
this._renderers.flatColorRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_TRANSPARENT);
}
}
}
// ---------------------- RENDERING SAO POST EFFECT TARGETS --------------
drawDepth(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numTransparentLayerPortions === this._numPortions || this._numXRayedLayerPortions === this._numPortions) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.depthRenderer) {
this._renderers.depthRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE); // Assume whatever post-effect uses depth (eg SAO) does not apply to transparent objects
}
}
drawNormals(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numTransparentLayerPortions === this._numPortions || this._numXRayedLayerPortions === this._numPortions) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.normalsRenderer) {
this._renderers.normalsRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE); // Assume whatever post-effect uses normals (eg SAO) does not apply to transparent objects
}
}
// ---------------------- SILHOUETTE RENDERING -----------------------------------
drawSilhouetteXRayed(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numXRayedLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.silhouetteRenderer) {
this._renderers.silhouetteRenderer.drawLayer(frameCtx, this, RENDER_PASSES.SILHOUETTE_XRAYED);
}
}
drawSilhouetteHighlighted(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numHighlightedLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.silhouetteRenderer) {
this._renderers.silhouetteRenderer.drawLayer(frameCtx, this, RENDER_PASSES.SILHOUETTE_HIGHLIGHTED);
}
}
drawSilhouetteSelected(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numSelectedLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.silhouetteRenderer) {
this._renderers.silhouetteRenderer.drawLayer(frameCtx, this, RENDER_PASSES.SILHOUETTE_SELECTED);
}
}
// ---------------------- EDGES RENDERING -----------------------------------
drawEdgesColorOpaque(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numEdgesLayerPortions === 0) {
return;
}
if (this._renderers.edgesColorRenderer) {
this._renderers.edgesColorRenderer.drawLayer(frameCtx, this, RENDER_PASSES.EDGES_COLOR_OPAQUE);
}
}
drawEdgesColorTransparent(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numEdgesLayerPortions === 0) {
return;
}
if (this._renderers.edgesColorRenderer) {
this._renderers.edgesColorRenderer.drawLayer(frameCtx, this, RENDER_PASSES.EDGES_COLOR_TRANSPARENT);
}
}
drawEdgesXRayed(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numXRayedLayerPortions === 0) {
return;
}
if (this._renderers.edgesRenderer) {
this._renderers.edgesRenderer.drawLayer(frameCtx, this, RENDER_PASSES.EDGES_XRAYED);
}
}
drawEdgesHighlighted(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numHighlightedLayerPortions === 0) {
return;
}
if (this._renderers.edgesRenderer) {
this._renderers.edgesRenderer.drawLayer(frameCtx, this, RENDER_PASSES.EDGES_HIGHLIGHTED);
}
}
drawEdgesSelected(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0 || this._numSelectedLayerPortions === 0) {
return;
}
if (this._renderers.edgesRenderer) {
this._renderers.edgesRenderer.drawLayer(frameCtx, this, RENDER_PASSES.EDGES_SELECTED);
}
}
// ---------------------- OCCLUSION CULL RENDERING -----------------------------------
drawOcclusion(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.occlusionRenderer) {
// Only opaque, filled objects can be occluders
this._renderers.occlusionRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
}
// ---------------------- SHADOW BUFFER RENDERING -----------------------------------
drawShadow(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.shadowRenderer) {
this._renderers.shadowRenderer.drawLayer(frameCtx, this, RENDER_PASSES.COLOR_OPAQUE);
}
}
//---- PICKING ----------------------------------------------------------------------------------------------------
drawPickMesh(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.pickMeshRenderer) {
this._renderers.pickMeshRenderer.drawLayer(frameCtx, this, RENDER_PASSES.PICK);
}
}
drawPickDepths(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.pickDepthRenderer) {
this._renderers.pickDepthRenderer.drawLayer(frameCtx, this, RENDER_PASSES.PICK);
}
}
drawPickNormals(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
////////////////////////////////////////////////////////////////////////////////////////////////////
// TODO
// if (this._state.normalsBuf) {
// if (this._renderers.pickNormalsRenderer) {
// this._renderers.pickNormalsRenderer.drawLayer(frameCtx, this, RENDER_PASSES.PICK);
// }
////////////////////////////////////////////////////////////////////////////////////////////////////
// } else {
if (this._renderers.pickNormalsFlatRenderer) {
this._renderers.pickNormalsFlatRenderer.drawLayer(frameCtx, this, RENDER_PASSES.PICK);
}
// }
}
drawSnapInit(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.snapInitRenderer) {
this._renderers.snapInitRenderer.drawLayer(frameCtx, this, RENDER_PASSES.PICK);
}
}
drawSnap(renderFlags, frameCtx) {
if (this._numCulledLayerPortions === this._numPortions || this._numVisibleLayerPortions === 0) {
return;
}
this._updateBackfaceCull(renderFlags, frameCtx);
if (this._renderers.snapRenderer) {
this._renderers.snapRenderer.drawLayer(frameCtx, this, RENDER_PASSES.PICK);
}
}
//-----------------------------------------------------------------------------------------
precisionRayPickSurface(portionId, worldRayOrigin, worldRayDir, worldSurfacePos, worldNormal) {
if (!this.model.scene.readableGeometryEnabled) {
return false;
}
const geometry = this._state.geometry;
const state = this._state;
const portion = this._portions[portionId];
if (!portion) {
this.model.error("portion not found: " + portionId);
return false;
}
if (!portion.inverseMatrix) {
portion.inverseMatrix = math.inverseMat4(portion.matrix, math.mat4());
}
if (worldNormal && !portion.normalMatrix) {
portion.normalMatrix = math.transposeMat4(portion.inverseMatrix, math.mat4());
}
const quantizedPositions = geometry.quantizedPositions;
const indices = geometry.indices;
const origin = state.origin;
const offset = portion.offset;
const rtcRayOrigin = tempVec3a;
const rtcRayDir = tempVec3b;
rtcRayOrigin.set(origin ? math.subVec3(worldRayOrigin, origin, tempVec3c) : worldRayOrigin); // World -> RTC
rtcRayDir.set(worldRayDir);
if (offset) {
math.subVec3(rtcRayOrigin, offset);
}
math.transformRay(this.model.worldNormalMatrix, rtcRayOrigin, rtcRayDir, rtcRayOrigin, rtcRayDir);
math.transformRay(portion.inverseMatrix, rtcRayOrigin, rtcRayDir, rtcRayOrigin, rtcRayDir);
const a = tempVec3d;
const b = tempVec3e;
const c = tempVec3f;
let gotIntersect = false;
let closestDist = 0;
const closestIntersectPos = tempVec3g;
for (let i = 0, len = indices.length; i < len; i += 3) {
const ia = indices[i + 0] * 3;
const ib = indices[i + 1] * 3;
const ic = indices[i + 2] * 3;
a[0] = quantizedPositions[ia];
a[1] = quantizedPositions[ia + 1];
a[2] = quantizedPositions[ia + 2];
b[0] = quantizedPositions[ib];
b[1] = quantizedPositions[ib + 1];
b[2] = quantizedPositions[ib + 2];
c[0] = quantizedPositions[ic];
c[1] = quantizedPositions[ic + 1];
c[2] = quantizedPositions[ic + 2];
const {positionsDecodeMatrix} = state.geometry;
math.decompressPosition(a, positionsDecodeMatrix);
math.decompressPosition(b, positionsDecodeMatrix);
math.decompressPosition(c, positionsDecodeMatrix);
if (math.rayTriangleIntersect(rtcRayOrigin, rtcRayDir, a, b, c, closestIntersectPos)) {
math.transformPoint3(portion.matrix, closestIntersectPos, closestIntersectPos);
math.transformPoint3(this.model.worldMatrix, closestIntersectPos, closestIntersectPos);
if (offset) {
math.addVec3(closestIntersectPos, offset);
}
if (origin) {
math.addVec3(closestIntersectPos, origin);
}
const dist = Math.abs(math.lenVec3(math.subVec3(closestIntersectPos, worldRayOrigin, [])));
if (!gotIntersect || dist > closestDist) {
closestDist = dist;
worldSurfacePos.set(closestIntersectPos);
if (worldNormal) { // Not that wasteful to eagerly compute - unlikely to hit >2 surfaces on most geometry
math.triangleNormal(a, b, c, worldNormal);
}
gotIntersect = true;
}
}
}
if (gotIntersect && worldNormal) {
math.transformVec3(portion.normalMatrix, worldNormal, worldNormal);
math.transformVec3(this.model.worldNormalMatrix, worldNormal, worldNormal);
math.normalizeVec3(worldNormal);
}
return gotIntersect;
}
destroy() {
const state = this._state;
if (state.colorsBuf) {
state.colorsBuf.destroy();
state.colorsBuf = null;
}
if (state.metallicRoughnessBuf) {
state.metallicRoughnessBuf.destroy();
state.metallicRoughnessBuf = null;
}
if (state.flagsBuf) {
state.flagsBuf.destroy();
state.flagsBuf = null;
}
if (state.offsetsBuf) {
state.offsetsBuf.destroy();
state.offsetsBuf = null;
}
if (state.modelMatrixCol0Buf) {
state.modelMatrixCol0Buf.destroy();
state.modelMatrixCol0Buf = null;
}
if (state.modelMatrixCol1Buf) {
state.modelMatrixCol1Buf.destroy();
state.modelMatrixCol1Buf = null;
}
if (state.modelMatrixCol2Buf) {
state.modelMatrixCol2Buf.destroy();
state.modelMatrixCol2Buf = null;
}
if (state.modelNormalMatrixCol0Buf) {