refactor: StructuredComponents batch 5 audit — remove redundant count fields

Audited batch 5 components (ChargedProjectiles, BundleContents, Container,
WritableBookContent, BlockState, PotDecorations) against official 1.20.6
decompiled STREAM_CODEC definitions. All network encodings were correct.

Removed redundant NumberOfItems/NumberOfPages/NumberOfProperties fields from
ContainerComponent, WritableBlookContentComponent, BlockStateComponent, and
PotDecorationsComponent. Serialize now uses the actual collection .Count
instead of a potentially stale cached value, matching the pattern already
used by ContainerComponent's Serialize and other components.

Also modernized loop style (foreach with deconstruction where applicable)
and fixed a typo in an exception message ("setialize" -> "serialize").

Made-with: Cursor
This commit is contained in:
BruceChen 2026-03-20 00:45:50 +08:00
parent 5e416d6b72
commit cc10f4effa
4 changed files with 17 additions and 24 deletions

View file

@ -7,24 +7,23 @@ namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_2
public class BlockStateComponent(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry)
: StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
{
public int NumberOfProperties { get; set; }
public List<(string, string)> Properties { get; set; } = [];
public override void Parse(Queue<byte> data)
{
NumberOfProperties = dataTypes.ReadNextVarInt(data);
for(var i = 0; i < NumberOfProperties; i++)
var count = dataTypes.ReadNextVarInt(data);
for(var i = 0; i < count; i++)
Properties.Add((dataTypes.ReadNextString(data), dataTypes.ReadNextString(data)));
}
public override Queue<byte> Serialize()
{
var data = new List<byte>();
data.AddRange(DataTypes.GetVarInt(NumberOfProperties));
for (var i = 0; i < NumberOfProperties; i++)
data.AddRange(DataTypes.GetVarInt(Properties.Count));
foreach (var (key, value) in Properties)
{
data.AddRange(DataTypes.GetString(Properties[i].Item1));
data.AddRange(DataTypes.GetString(Properties[i].Item2));
data.AddRange(DataTypes.GetString(key));
data.AddRange(DataTypes.GetString(value));
}
return new Queue<byte>(data);

View file

@ -8,13 +8,12 @@ namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_2
public class ContainerComponent(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry)
: StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
{
public int NumberOfItems { get; set; }
public List<Item?> Items { get; set; } = [];
public override void Parse(Queue<byte> data)
{
NumberOfItems = dataTypes.ReadNextVarInt(data);
for (var i = 0; i < NumberOfItems; i++)
var count = dataTypes.ReadNextVarInt(data);
for (var i = 0; i < count; i++)
Items.Add(dataTypes.ReadNextItemSlot(data, ItemPalette));
}

View file

@ -7,22 +7,21 @@ namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_2
public class PotDecorationsComponent(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry)
: StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
{
public int NumberOfItems { get; set; }
public List<int> Items { get; set; } = [];
public override void Parse(Queue<byte> data)
{
NumberOfItems = dataTypes.ReadNextVarInt(data);
for(var i = 0; i < NumberOfItems; i++)
var count = dataTypes.ReadNextVarInt(data);
for(var i = 0; i < count; i++)
Items.Add(dataTypes.ReadNextVarInt(data));
}
public override Queue<byte> Serialize()
{
var data = new List<byte>();
data.AddRange(DataTypes.GetVarInt(NumberOfItems));
for(var i = 0; i < NumberOfItems; i++)
data.AddRange(DataTypes.GetVarInt(Items[i]));
data.AddRange(DataTypes.GetVarInt(Items.Count));
foreach (var item in Items)
data.AddRange(DataTypes.GetVarInt(item));
return new Queue<byte>(data);
}
}

View file

@ -8,14 +8,13 @@ namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_2
public class WritableBlookContentComponent(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry) : StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
{
public int NumberOfPages { get; set; }
public List<BookPage> Pages { get; set; } = [];
public override void Parse(Queue<byte> data)
{
NumberOfPages = dataTypes.ReadNextVarInt(data);
var count = dataTypes.ReadNextVarInt(data);
for (var i = 0; i < NumberOfPages; i++)
for (var i = 0; i < count; i++)
{
var rawContent = dataTypes.ReadNextString(data);
var hasFilteredContent = dataTypes.ReadNextBool(data);
@ -32,10 +31,7 @@ public class WritableBlookContentComponent(DataTypes dataTypes, ItemPalette item
{
var data = new List<byte>();
data.AddRange(DataTypes.GetVarInt(NumberOfPages));
if (NumberOfPages != Pages.Count)
throw new InvalidOperationException("Can not setialize WritableBlookContentComponent1206 because NumberOfPages != Pages.Count!");
data.AddRange(DataTypes.GetVarInt(Pages.Count));
foreach (var page in Pages)
{
@ -45,7 +41,7 @@ public class WritableBlookContentComponent(DataTypes dataTypes, ItemPalette item
if (page.HasFilteredContent)
{
if(page.FilteredContent is null)
throw new InvalidOperationException("Can not setialize WritableBlookContentComponent1206 because page.HasFilteredContent = true, but FilteredContent is null!");
throw new InvalidOperationException("Can not serialize WritableBlookContentComponent because page.HasFilteredContent = true, but FilteredContent is null!");
data.AddRange(DataTypes.GetString(page.FilteredContent));
}