laya-coreui-es
Version:
laya核心库、ui库es版本，剔除了媒体、TTF等功能。基于 LayaAir-release_2.12.0 修改
77 lines (76 loc) • 2.13 kB
JavaScript
export class ShaderDefinesBase {
constructor(name2int, int2name, int2nameMap) {
this._value = 0;
this._name2int = name2int;
this._int2name = int2name;
this._int2nameMap = int2nameMap;
}
add(value) {
if (typeof (value) == 'string') {
this._value |= this._name2int[value];
}
else {
this._value |= value;
}
return this._value;
}
addInt(value) {
this._value |= value;
return this._value;
}
remove(value) {
if (typeof (value) == 'string') {
this._value &= ~(this._name2int[value]);
}
else {
this._value &= (~value);
}
return this._value;
}
isDefine(def) {
return (this._value & def) === def;
}
getValue() {
return this._value;
}
setValue(value) {
this._value = value;
}
toNameDic() {
var r = this._int2nameMap[this._value];
return r ? r : ShaderDefinesBase._toText(this._value, this._int2name, this._int2nameMap);
}
static _reg(name, value, _name2int, _int2name) {
_name2int[name] = value;
_int2name[value] = name;
}
static _toText(value, _int2name, _int2nameMap) {
var r = _int2nameMap[value];
if (r)
return r;
var o = {};
var d = 1;
for (var i = 0; i < 32; i++) {
d = 1 << i;
if (d > value)
break;
if (value & d) {
var name = _int2name[d];
name && (o[name] = "");
}
}
_int2nameMap[value] = o;
return o;
}
static _toInt(names, _name2int) {
var words = names.split('.');
var num = 0;
for (var i = 0, n = words.length; i < n; i++) {
var value = _name2int[words[i]];
if (!value)
throw new Error("Defines to int err:" + names + "/" + words[i]);
num |= value;
}
return num;
}
}