@animech-public/playcanvas
Version:
PlayCanvas WebGL game engine
114 lines (111 loc) • 4.32 kB
JavaScript
import { CULLFACE_NONE, CULLFACE_BACK, CULLFACE_FRONT, CULLFACE_FRONTANDBACK, FUNC_NEVER, FUNC_LESS, FUNC_EQUAL, FUNC_LESSEQUAL, FUNC_GREATER, FUNC_NOTEQUAL, FUNC_GREATEREQUAL, FUNC_ALWAYS } from '../../platform/graphics/constants.js';
import { Texture } from '../../platform/graphics/texture.js';
import { SPECOCC_NONE, SPECOCC_AO, SPECOCC_GLOSSDEPENDENT, BLEND_SUBTRACTIVE, BLEND_ADDITIVE, BLEND_NORMAL, BLEND_NONE, BLEND_PREMULTIPLIED, BLEND_MULTIPLICATIVE, BLEND_ADDITIVEALPHA, BLEND_MULTIPLICATIVE2X, BLEND_SCREEN, BLEND_MIN, BLEND_MAX, SPECULAR_PHONG, SPECULAR_BLINN } from '../constants.js';
import { standardMaterialParameterTypes, standardMaterialRemovedParameters } from './standard-material-parameters.js';
class StandardMaterialValidator {
constructor() {
this.removeInvalid = true;
this.valid = true;
this.enumValidators = {
occludeSpecular: this._createEnumValidator([SPECOCC_NONE, SPECOCC_AO, SPECOCC_GLOSSDEPENDENT]),
cull: this._createEnumValidator([CULLFACE_NONE, CULLFACE_BACK, CULLFACE_FRONT, CULLFACE_FRONTANDBACK]),
blendType: this._createEnumValidator([BLEND_SUBTRACTIVE, BLEND_ADDITIVE, BLEND_NORMAL, BLEND_NONE, BLEND_PREMULTIPLIED, BLEND_MULTIPLICATIVE, BLEND_ADDITIVEALPHA, BLEND_MULTIPLICATIVE2X, BLEND_SCREEN, BLEND_MIN, BLEND_MAX]),
depthFunc: this._createEnumValidator([FUNC_NEVER, FUNC_LESS, FUNC_EQUAL, FUNC_LESSEQUAL, FUNC_GREATER, FUNC_NOTEQUAL, FUNC_GREATEREQUAL, FUNC_ALWAYS]),
shadingModel: this._createEnumValidator([SPECULAR_PHONG, SPECULAR_BLINN])
};
}
setInvalid(key, data) {
this.valid = false;
if (this.removeInvalid) {
delete data[key];
}
}
validate(data) {
const TYPES = standardMaterialParameterTypes;
const REMOVED = standardMaterialRemovedParameters;
const pathMapping = data.mappingFormat === 'path';
for (const key in data) {
const type = TYPES[key];
if (!type) {
if (REMOVED[key]) {
delete data[key];
} else {
this.valid = false;
}
continue;
}
if (type.startsWith('enum')) {
const enumType = type.split(':')[1];
if (this.enumValidators[enumType]) {
if (!this.enumValidators[enumType](data[key])) {
this.setInvalid(key, data);
}
}
} else if (type === 'number') {
if (typeof data[key] !== 'number') {
this.setInvalid(key, data);
}
} else if (type === 'boolean') {
if (typeof data[key] !== 'boolean') {
this.setInvalid(key, data);
}
} else if (type === 'string') {
if (typeof data[key] !== 'string') {
this.setInvalid(key, data);
}
} else if (type === 'vec2') {
if (!(data[key] instanceof Array && data[key].length === 2)) {
this.setInvalid(key, data);
}
} else if (type === 'rgb') {
if (!(data[key] instanceof Array && data[key].length === 3)) {
this.setInvalid(key, data);
}
} else if (type === 'texture') {
if (!pathMapping) {
if (!(typeof data[key] === 'number' || data[key] === null)) {
if (!(data[key] instanceof Texture)) {
this.setInvalid(key, data);
}
}
} else {
if (!(typeof data[key] === 'string' || data[key] === null)) {
if (!(data[key] instanceof Texture)) {
this.setInvalid(key, data);
}
}
}
} else if (type === 'boundingbox') {
if (!(data[key].center && data[key].center instanceof Array && data[key].center.length === 3)) {
this.setInvalid(key, data);
}
if (!(data[key].halfExtents && data[key].halfExtents instanceof Array && data[key].halfExtents.length === 3)) {
this.setInvalid(key, data);
}
} else if (type === 'cubemap') {
if (!(typeof data[key] === 'number' || data[key] === null || data[key] === undefined)) {
if (!(data[key] instanceof Texture && data[key].cubemap)) {
this.setInvalid(key, data);
}
}
} else if (type === 'chunks') {
const chunkNames = Object.keys(data[key]);
for (let i = 0; i < chunkNames.length; i++) {
if (typeof data[key][chunkNames[i]] !== 'string') {
this.setInvalid(chunkNames[i], data[key]);
}
}
} else {
console.error(`Unknown material type: ${type}`);
}
}
data.validated = true;
return this.valid;
}
_createEnumValidator(values) {
return function (value) {
return values.indexOf(value) >= 0;
};
}
}
export { StandardMaterialValidator };