mc-beta-server/old/nibbleArray.js

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2021-08-10 00:40:30 +01:00
module.exports = class {
constructor(i, j) {
if (i instanceof Buffer) {
this.data = abyte0;
this.field_35661_b = i;
this.field_35662_c = i + 4;
} else {
this.data = new Buffer.alloc(i >> 1);
this.field_35661_b = j;
this.field_35662_c = j + 4;
}
}
getNibble(i, j, k)
{
let l = i << field_35662_c | k << field_35661_b | j;
let i1 = l >> 1;
let j1 = l & 1;
if(j1 == 0)
{
return data[i1] & 0xf;
} else
{
return data[i1] >> 4 & 0xf;
}
}
setNibble(i, j, k, l)
{
let i1 = i << this.field_35662_c | k << this.field_35661_b | j;
let j1 = i1 >> 1;
let k1 = i1 & 1;
if(k1 == 0)
{
data[j1] = (this.data[j1] & 0xf0 | l & 0xf);
} else
{
data[j1] = (this.data[j1] & 0xf | (l & 0xf) << 4);
}
}
isValid()
{
return this.data != null;
}
}