From d1c95742ddd83899bb35051de9d731d38aba80a4 Mon Sep 17 00:00:00 2001 From: E14 <1640391+E14@users.noreply.github.com> Date: Sun, 22 Sep 2019 22:57:54 +0200 Subject: Add ProtocolBlockTypePalette (#4391) --- src/Protocol/ProtocolBlockTypePalette.h | 40 +++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/Protocol/ProtocolBlockTypePalette.h (limited to 'src/Protocol/ProtocolBlockTypePalette.h') diff --git a/src/Protocol/ProtocolBlockTypePalette.h b/src/Protocol/ProtocolBlockTypePalette.h new file mode 100644 index 000000000..fb156cfd5 --- /dev/null +++ b/src/Protocol/ProtocolBlockTypePalette.h @@ -0,0 +1,40 @@ +#pragma once +#include +#include "../BlockState.h" + + +/** Parses and holds a collection of block types and their possible states +together with their corresponding Id within the Minecraft network protocol. */ +class ProtocolBlockTypePalette +{ +public: + static const UInt32 NOT_FOUND = UINT32_MAX; + + /** Create a new empty instance. */ + ProtocolBlockTypePalette(); + + /** Loads the palette from a string. + See loadFromStream() for further details. */ + bool loadFromString(const AString & aMapping); + + /** Loads the palette from an input stream. + Returns `true` on success, `false` otherwise. Sucessive calls to this method + will _add_ data to the palette. If duplicate keys are encountered, they will + be ignored and an info message logged. */ + bool loadFromStream(std::istream & aInputStream); + + /** Returns the defined index corresponding of the given aBlockTypeName and + aBlockState. + Returns ProtocolBlockTypePalette::NOT_FOUND if the tuple is not found. */ + UInt32 index(const AString & aBlockTypeName, const BlockState & aBlockState) const; + + /** Clears the palette. */ + void clear(); + + +protected: + + /** The palette index. Each item in the map represents a single block state + palette entry. The value is the block state ID. */ + std::unordered_map> mIndex; +}; -- cgit v1.2.3