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Cherry pick glTF parse support custom extsnions and parser (#1534)
* glTF parse support custom extsnions and parser (#1008) * feat: glTF parse support custom extsnions and parser Co-authored-by: ChenMo <gl3336563@163.com> Co-authored-by: zhuxudong <callzhuxudong@163.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import { AssetPromise } from "@galacean/engine-core"; | ||
| import { GLTFResource } from "./GLTFResource"; | ||
| import { GLTFAnimationParser } from "./parser/GLTFAnimationParser"; | ||
| import { GLTFBufferParser } from "./parser/GLTFBufferParser"; | ||
| import { GLTFEntityParser } from "./parser/GLTFEntityParser"; | ||
| import { GLTFMaterialParser } from "./parser/GLTFMaterialParser"; | ||
| import { GLTFMeshParser } from "./parser/GLTFMeshParser"; | ||
| import { GLTFParser } from "./parser/GLTFParser"; | ||
| import { GLTFParserContext } from "./parser/GLTFParserContext"; | ||
| import { GLTFSceneParser } from "./parser/GLTFSceneParser"; | ||
| import { GLTFSkinParser } from "./parser/GLTFSkinParser"; | ||
| import { GLTFTextureParser } from "./parser/GLTFTextureParser"; | ||
| import { GLTFValidator } from "./parser/GLTFValidator"; | ||
|
|
||
| /** | ||
| * GLTF pipeline. | ||
| */ | ||
| export class GLTFPipeline { | ||
| /** | ||
| * Default pipeline. | ||
| */ | ||
| static defaultPipeline = new GLTFPipeline( | ||
| GLTFBufferParser, | ||
| GLTFValidator, | ||
| GLTFTextureParser, | ||
| GLTFMaterialParser, | ||
| GLTFMeshParser, | ||
| GLTFEntityParser, | ||
| GLTFSkinParser, | ||
| GLTFAnimationParser, | ||
| GLTFSceneParser | ||
| ); | ||
|
|
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| private _parsers: GLTFParser[] = []; | ||
|
|
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| /** | ||
| * Constructor of GLTFPipeline. | ||
| * @param parsers - Parsers to be executed in order | ||
| */ | ||
| constructor(...parsers: (new () => GLTFParser)[]) { | ||
| parsers.forEach((pipe: new () => GLTFParser, index: number) => { | ||
| this._parsers[index] = new pipe(); | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| _parse(context: GLTFParserContext): AssetPromise<GLTFResource> { | ||
| const glTFResource = context.glTFResource; | ||
| let lastParser; | ||
|
|
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| return new AssetPromise<GLTFResource>((resolve, reject) => { | ||
| this._parsers.forEach((parser: GLTFParser) => { | ||
| if (lastParser) { | ||
| lastParser = lastParser.then(() => { | ||
| return parser.parse(context); | ||
| }); | ||
| if (lastParser.cancel) { | ||
| context.chainPromises.push(lastParser); | ||
| } | ||
| } else { | ||
| lastParser = parser.parse(context); | ||
| } | ||
| }); | ||
|
|
||
| if (lastParser) { | ||
| lastParser | ||
| .then(() => { | ||
| resolve(glTFResource); | ||
| }) | ||
| .catch(reject); | ||
| } | ||
| }); | ||
| } | ||
| } |
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17 changes: 10 additions & 7 deletions
17
packages/loader/src/gltf/extensions/GALACEAN_materials_remap.ts
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73 changes: 73 additions & 0 deletions
73
packages/loader/src/gltf/extensions/GLTFExtensionParser.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| import { EngineObject } from "@galacean/engine-core"; | ||
| import { GLTFExtensionOwnerSchema } from "../GLTFSchema"; | ||
| import { GLTFParserContext } from "../parser/GLTFParserContext"; | ||
| import { GLTFExtensionSchema } from "./GLTFExtensionSchema"; | ||
|
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| /** | ||
| * Base class of glTF extension parser. | ||
| */ | ||
| export abstract class GLTFExtensionParser { | ||
| /** | ||
| * @internal | ||
| * The extension mode. | ||
| */ | ||
| _mode: GLTFExtensionMode; | ||
|
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| /** | ||
| * Initialize the parser. | ||
| * @remarks Some plugins require initialization. | ||
| * @returns The void or promise | ||
| */ | ||
| initialize(): void | Promise<void> {} | ||
|
|
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| /** | ||
| * Create and parse the resource. | ||
| * @remarks This method overrides the default resource creation. | ||
| * @param context - The parser context | ||
| * @param extensionSchema - The extension schema | ||
| * @param extensionOwnerSchema - The extension owner schema | ||
| * @returns The resource or promise | ||
| */ | ||
| createAndParse( | ||
| context: GLTFParserContext, | ||
| extensionSchema: GLTFExtensionSchema, | ||
| extensionOwnerSchema: GLTFExtensionOwnerSchema, | ||
| ...extra | ||
| ): EngineObject | Promise<EngineObject> { | ||
| throw "Not implemented."; | ||
| } | ||
|
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| /** | ||
| * Additive parse to the resource. | ||
| * @param context - The parser context | ||
| * @param parseResource - The parsed resource | ||
| * @param extensionSchema - The extension schema | ||
| * @param extensionOwnerSchema - The extension owner schema | ||
| * @returns The void or promise | ||
| */ | ||
| additiveParse( | ||
| context: GLTFParserContext, | ||
| parseResource: EngineObject, | ||
| extensionSchema: GLTFExtensionSchema, | ||
| extensionOwnerSchema: GLTFExtensionOwnerSchema, | ||
| ...extra | ||
| ): void | Promise<void> { | ||
| throw "Not implemented."; | ||
| } | ||
| } | ||
|
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| /** | ||
| * glTF Extension mode. | ||
| */ | ||
| export enum GLTFExtensionMode { | ||
| /** | ||
| * Cerate instance and parse mode. | ||
| * @remarks | ||
| * If the glTF property has multiple extensions of `CreateAndParse` mode, only execute the last one. | ||
| * If this method is registered, the default pipeline processing will be ignored. | ||
| */ | ||
| CreateAndParse, | ||
|
|
||
| /** Additive parse mode. */ | ||
| AdditiveParse | ||
| } |
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