94 lines
3.2 KiB
Go
94 lines
3.2 KiB
Go
package proto
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import "github.com/sandertv/gophertunnel/minecraft/protocol"
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// SubChunkEntry contains the data of a sub-chunk entry relative to a center sub chunk position, used for the sub-chunk
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// requesting system introduced in v1.18.10.
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type SubChunkEntry struct {
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// Offset contains the offset between the sub-chunk position and the center position.
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Offset protocol.SubChunkOffset
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// Result is always one of the constants defined in the SubChunkResult constants.
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Result byte
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// RawPayload contains the serialized sub-chunk data.
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RawPayload []byte
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// HeightMapType is always one of the constants defined in the HeightMapData constants.
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HeightMapType byte
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// HeightMapData is the data for the height map.
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HeightMapData []int8
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// BlobHash is the hash of the blob.
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BlobHash uint64
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// RenderHeightMapType is always one of the constants defined in the HeightMapData constants.
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RenderHeightMapType byte
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// RenderHeightMapData is the data for the render height map.
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RenderHeightMapData []int8
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// RenderBlobHash is the hash of the render blob.
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RenderBlobHash uint64
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}
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// ToLatest ...
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func (x *SubChunkEntry) ToLatest() protocol.SubChunkEntry {
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return protocol.SubChunkEntry{
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Offset: x.Offset,
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Result: x.Result,
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RawPayload: x.RawPayload,
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HeightMapType: x.HeightMapType,
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HeightMapData: x.HeightMapData,
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BlobHash: x.BlobHash,
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RenderHeightMapType: x.RenderHeightMapType,
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RenderHeightMapData: x.RenderHeightMapData,
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RenderBlobHash: x.RenderBlobHash,
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}
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}
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// FromLatest converts a protocol.SubChunkEntry to a SubChunkEntry. It is used to convert the latest
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func (x *SubChunkEntry) FromLatest(y protocol.SubChunkEntry) SubChunkEntry {
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x.Offset = y.Offset
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x.Result = y.Result
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x.RawPayload = y.RawPayload
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x.HeightMapType = y.HeightMapType
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x.HeightMapData = y.HeightMapData
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x.BlobHash = y.BlobHash
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x.RenderHeightMapType = y.RenderHeightMapType
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x.RenderHeightMapData = y.RenderHeightMapData
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x.RenderBlobHash = y.RenderBlobHash
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return *x
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}
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// Marshal encodes/decodes a SubChunkEntry assuming the blob cache is enabled.
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func (x *SubChunkEntry) Marshal(r protocol.IO) {
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protocol.Single(r, &x.Offset)
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r.Uint8(&x.Result)
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if x.Result != protocol.SubChunkResultSuccessAllAir {
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r.ByteSlice(&x.RawPayload)
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}
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r.Uint8(&x.HeightMapType)
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if x.HeightMapType == protocol.HeightMapDataHasData {
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protocol.FuncSliceOfLen(r, 256, &x.HeightMapData, r.Int8)
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}
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r.Uint64(&x.BlobHash)
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if IsProtoGTE(r, ID818) {
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r.Uint8(&x.RenderHeightMapType)
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if x.RenderHeightMapType == protocol.HeightMapDataHasData {
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protocol.FuncSliceOfLen(r, 256, &x.RenderHeightMapData, r.Int8)
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}
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r.Uint64(&x.RenderBlobHash)
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}
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}
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// SubChunkEntryNoCache encodes/decodes a SubChunkEntry assuming the blob cache is not enabled.
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func SubChunkEntryNoCache(r protocol.IO, x *SubChunkEntry) {
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protocol.Single(r, &x.Offset)
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r.Uint8(&x.Result)
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r.ByteSlice(&x.RawPayload)
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r.Uint8(&x.HeightMapType)
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if IsProtoGTE(r, ID818) {
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if x.HeightMapType == protocol.HeightMapDataHasData {
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protocol.FuncSliceOfLen(r, 256, &x.HeightMapData, r.Int8)
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}
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r.Uint8(&x.RenderHeightMapType)
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if x.RenderHeightMapType == protocol.HeightMapDataHasData {
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protocol.FuncSliceOfLen(r, 256, &x.RenderHeightMapData, r.Int8)
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}
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}
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}
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