Doni/ModelHandle
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Refactor mesh material handler.

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This commit is contained in:
kovacsv 2023-10-23 08:46:34 +02:00
parent 474d46968b
commit 97e7be4732
2 changed files with 17 additions and 20 deletions
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4
source/engine/main.js
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@ -63,7 +63,7 @@ import { TopologyVertex, TopologyEdge, TopologyTriangleEdge, TopologyTriangle, T
import { Triangle } from './model/triangle.js';
import { Unit } from './model/unit.js';
import { ParameterListBuilder, ParameterListParser, CreateUrlBuilder, CreateUrlParser, CreateModelUrlParameters, ParameterConverter } from './parameters/parameterlist.js';
import { ModelToThreeConversionParams, ModelToThreeConversionOutput, ThreeConversionStateHandler, ThreeNodeTree, ConvertModelToThreeObject } from './threejs/threeconverter.js';
import { ModelToThreeConversionParams, ModelToThreeConversionOutput, ThreeConversionStateHandler, ThreeNodeTree, ThreeMaterialHandler, ThreeMeshMaterialHandler, ConvertModelToThreeObject } from './threejs/threeconverter.js';
import { ThreeModelLoader } from './threejs/threemodelloader.js';
import { ThreeColorConverter, ThreeLinearToSRGBColorConverter, ThreeSRGBToLinearColorConverter, HasHighpDriverIssue, GetShadingType, ConvertThreeColorToColor, ConvertColorToThreeColor, ConvertThreeGeometryToMesh, DisposeThreeObjects, ShadingType } from './threejs/threeutils.js';
import { Camera, CameraIsEqual3D, NavigationMode, ProjectionMode } from './viewer/camera.js';
@ -283,6 +283,8 @@ export {
ModelToThreeConversionOutput,
ThreeConversionStateHandler,
ThreeNodeTree,
ThreeMaterialHandler,
ThreeMeshMaterialHandler,
ConvertModelToThreeObject,
ThreeModelLoader,
ThreeColorConverter,

33
source/engine/threejs/threeconverter.js
View File

@ -236,47 +236,43 @@ export class ThreeMaterialHandler
export class ThreeMeshMaterialHandler
{
constructor (materialHandler)
constructor (threeGeometry, materialHandler)
{
this.threeGeometry = threeGeometry;
this.materialHandler = materialHandler;
this.meshThreeMaterials = [];
this.meshOriginalMaterials = [];
this.groups = [];
this.groupStart = null;
this.previousMaterialIndex = null;
}
ProcessItem (itemIndex, materialIndex)
{
if (this.previousMaterialIndex !== materialIndex) {
if (this.groupStart !== null) {
this.AddGroup (this.groupStart, itemIndex - 1);
}
this.groupStart = itemIndex;
let threeMaterial = this.materialHandler.GetThreeMaterial (materialIndex);
this.meshThreeMaterials.push (threeMaterial);
this.meshOriginalMaterials.push (materialIndex);
if (this.groups.length > 0) {
this.groups[this.groups.length - 1].end = itemIndex - 1;
}
this.groups.push ({
start : itemIndex,
end : -1
});
this.previousMaterialIndex = materialIndex;
}
}
Finalize (triangleCount)
{
this.groups[this.groups.length - 1].end = triangleCount - 1;
this.AddGroup (this.groupStart, triangleCount - 1);
}
AddGroups (threeGeometry)
AddGroup (start, end)
{
for (let materialIndex = 0; materialIndex < this.groups.length; materialIndex++) {
let group = this.groups[materialIndex];
threeGeometry.addGroup (group.start * 3, (group.end - group.start + 1) * 3, materialIndex);
}
let materialIndex = this.meshThreeMaterials.length - 1;
this.threeGeometry.addGroup (start * 3, (end - start + 1) * 3, materialIndex);
}
}
@ -300,7 +296,8 @@ export function ConvertModelToThreeObject (model, conversionParams, conversionOu
return aTriangle.mat - bTriangle.mat;
});
let meshMaterialHandler = new ThreeMeshMaterialHandler (materialHandler);
let threeGeometry = new THREE.BufferGeometry ();
let meshMaterialHandler = new ThreeMeshMaterialHandler (threeGeometry, materialHandler);
let vertices = [];
let vertexColors = [];
@ -353,7 +350,6 @@ export function ConvertModelToThreeObject (model, conversionParams, conversionOu
}
meshMaterialHandler.Finalize (triangleCount);
let threeGeometry = new THREE.BufferGeometry ();
threeGeometry.setAttribute ('position', new THREE.Float32BufferAttribute (vertices, 3));
if (vertexColors.length !== 0) {
threeGeometry.setAttribute ('color', new THREE.Float32BufferAttribute (vertexColors, 3));
@ -362,7 +358,6 @@ export function ConvertModelToThreeObject (model, conversionParams, conversionOu
if (uvs.length !== 0) {
threeGeometry.setAttribute ('uv', new THREE.Float32BufferAttribute (uvs, 2));
}
meshMaterialHandler.AddGroups (threeGeometry);
let threeMesh = new THREE.Mesh (threeGeometry, meshMaterialHandler.meshThreeMaterials);
threeMesh.name = mesh.GetName ();