60 lines
1.3 KiB
JavaScript
60 lines
1.3 KiB
JavaScript
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/* global ctx */
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module.exports = {
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Read: {
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compound: ['context', (buffer, offset) => {
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const results = {
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value: {},
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size: 0
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}
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while (offset !== buffer.length) {
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const typ = ctx.i8(buffer, offset)
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if (typ.value === 0) {
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results.size += typ.size
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break
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}
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if (typ.value > 20) {
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throw new Error(`Invalid tag: ${typ.value} > 20`)
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}
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const readResults = ctx.nbt(buffer, offset)
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offset += readResults.size
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results.size += readResults.size
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results.value[readResults.value.name] = {
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type: readResults.value.type,
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value: readResults.value.value
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}
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}
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return results
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}]
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},
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Write: {
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compound: ['context', (value, buffer, offset) => {
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for (const key in value) {
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offset = ctx.nbt({
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name: key,
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type: value[key].type,
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value: value[key].value
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}, buffer, offset)
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}
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offset = ctx.i8(0, buffer, offset)
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return offset
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}]
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},
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SizeOf: {
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compound: ['context', (value) => {
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let size = 1
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for (const key in value) {
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size += ctx.nbt({
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name: key,
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type: value[key].type,
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value: value[key].value
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})
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}
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return size
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}]
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}
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}
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