compression.cc File Reference

#include "compression.h"
#include <iostream>
#include <memory>
#include <string>
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "app/rom.h"
#include "app/zelda3/hyrule_magic.h"
#include "util/macro.h"

Go to the source code of this file.

Namespaces
namespace	yaze
	Main namespace for the application.
namespace	yaze::gfx
	Contains classes for handling graphical data.
namespace	yaze::gfx::lc_lz2
	Contains the LC_LZ2 compression algorithm.

Macros
#define	DEBUG_LOG(msg)

Functions
std::vector< uint8_t >	yaze::gfx::HyruleMagicCompress (uint8_t const *const src, int const oldsize, int *const size, int const flag)
std::vector< uint8_t >	yaze::gfx::HyruleMagicDecompress (uint8_t const *src, int *const size, int const p_big_endian)
void	yaze::gfx::lc_lz2::PrintCompressionPiece (const CompressionPiecePointer &piece)
void	yaze::gfx::lc_lz2::PrintCompressionChain (const CompressionPiecePointer &chain_head)
void	yaze::gfx::lc_lz2::CheckByteRepeat (const uint8_t *rom_data, DataSizeArray &data_size_taken, CommandArgumentArray &cmd_args, uint &src_data_pos, const unsigned int last_pos)
void	yaze::gfx::lc_lz2::CheckWordRepeat (const uint8_t *rom_data, DataSizeArray &data_size_taken, CommandArgumentArray &cmd_args, uint &src_data_pos, const unsigned int last_pos)
void	yaze::gfx::lc_lz2::CheckIncByte (const uint8_t *rom_data, DataSizeArray &data_size_taken, CommandArgumentArray &cmd_args, uint &src_data_pos, const unsigned int last_pos)
void	yaze::gfx::lc_lz2::CheckIntraCopy (const uint8_t *rom_data, DataSizeArray &data_size_taken, CommandArgumentArray &cmd_args, uint &src_data_pos, const unsigned int last_pos, unsigned int start)
void	yaze::gfx::lc_lz2::ValidateForByteGain (const DataSizeArray &data_size_taken, const CommandSizeArray &cmd_size, uint &max_win, uint &cmd_with_max)
void	yaze::gfx::lc_lz2::CompressionCommandAlternative (const uint8_t *rom_data, CompressionPiecePointer &compressed_chain, const CommandSizeArray &cmd_size, const CommandArgumentArray &cmd_args, uint &src_data_pos, uint &comp_accumulator, uint &cmd_with_max, uint &max_win)
void	yaze::gfx::lc_lz2::CheckByteRepeatV2 (const uint8_t *data, uint &src_pos, const unsigned int last_pos, CompressionCommand &cmd)
void	yaze::gfx::lc_lz2::CheckWordRepeatV2 (const uint8_t *data, uint &src_pos, const unsigned int last_pos, CompressionCommand &cmd)
void	yaze::gfx::lc_lz2::CheckIncByteV2 (const uint8_t *rom_data, uint &src_data_pos, const unsigned int last_pos, CompressionCommand &cmd)
void	yaze::gfx::lc_lz2::CheckIntraCopyV2 (const uint8_t *rom_data, uint &src_data_pos, const unsigned int last_pos, unsigned int start, CompressionCommand &cmd)
void	yaze::gfx::lc_lz2::ValidateForByteGainV2 (const CompressionCommand &cmd, uint &max_win, uint &cmd_with_max)
void	yaze::gfx::lc_lz2::CompressionCommandAlternativeV2 (const uint8_t *rom_data, const CompressionCommand &cmd, CompressionPiecePointer &compressed_chain, uint &src_data_pos, uint &comp_accumulator, uint &cmd_with_max, uint &max_win)
void	yaze::gfx::lc_lz2::AddAlternativeCompressionCommand (const uint8_t *rom_data, CompressionPiecePointer &compressed_chain, const CompressionCommand &command, uint &source_data_position, uint &uncompressed_data_size, uint &best_command, uint &best_command_gain)
absl::StatusOr< CompressionPiecePointer >	yaze::gfx::lc_lz2::SplitCompressionPiece (CompressionPiecePointer &piece, int mode)
std::vector< uint8_t >	yaze::gfx::lc_lz2::CreateCompressionString (CompressionPiecePointer &start, int mode)
absl::Status	yaze::gfx::lc_lz2::ValidateCompressionResult (CompressionPiecePointer &chain_head, int mode, int start, int src_data_pos)
CompressionPiecePointer	yaze::gfx::lc_lz2::MergeCopy (CompressionPiecePointer &start)
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::CompressV2 (const uint8_t *data, const int start, const int length, int mode=1, bool check=false)
	Compresses a buffer of data using the LC_LZ2 algorithm.
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::CompressGraphics (const uint8_t *data, const int pos, const int length)
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::CompressOverworld (const uint8_t *data, const int pos, const int length)
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::CompressOverworld (const std::vector< uint8_t > data, const int pos, const int length)
void	yaze::gfx::lc_lz2::CheckByteRepeatV3 (CompressionContext &context)
void	yaze::gfx::lc_lz2::CheckWordRepeatV3 (CompressionContext &context)
void	yaze::gfx::lc_lz2::CheckIncByteV3 (CompressionContext &context)
void	yaze::gfx::lc_lz2::CheckIntraCopyV3 (CompressionContext &context)
void	yaze::gfx::lc_lz2::InitializeCompression (CompressionContext &context)
void	yaze::gfx::lc_lz2::CheckAvailableCompressionCommands (CompressionContext &context)
void	yaze::gfx::lc_lz2::DetermineBestCompression (CompressionContext &context)
void	yaze::gfx::lc_lz2::HandleDirectCopy (CompressionContext &context)
void	yaze::gfx::lc_lz2::AddCompressionToChain (CompressionContext &context)
absl::Status	yaze::gfx::lc_lz2::ValidateCompressionResultV3 (const CompressionContext &context)
absl::StatusOr< CompressionPiece >	yaze::gfx::lc_lz2::SplitCompressionPieceV3 (CompressionPiece &piece, int mode)
void	yaze::gfx::lc_lz2::FinalizeCompression (CompressionContext &context)
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::CompressV3 (const std::vector< uint8_t > &data, const int start, const int length, int mode=1, bool check=false)
	Compresses a buffer of data using the LC_LZ2 algorithm.
std::string	yaze::gfx::lc_lz2::SetBuffer (const uint8_t *data, int src_pos, int comp_accumulator)
std::string	yaze::gfx::lc_lz2::SetBuffer (const std::vector< uint8_t > &data, int src_pos, int comp_accumulator)
void	yaze::gfx::lc_lz2::memfill (const uint8_t *data, std::vector< uint8_t > &buffer, int buffer_pos, int offset, int length)
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::DecompressV2 (const uint8_t *data, int offset, int size=0x800, int mode=1)
	Decompresses a buffer of data using the LC_LZ2 algorithm.
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::DecompressGraphics (const uint8_t *data, int pos, int size)
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::DecompressOverworld (const uint8_t *data, int pos, int size)
absl::StatusOr< std::vector< uint8_t > >	yaze::gfx::lc_lz2::DecompressOverworld (const std::vector< uint8_t > data, int pos, int size)

Variables
const std::array< int, 5 >	yaze::gfx::lc_lz2::kCommandSizes = {1, 2, 2, 2, 3}

Macro Definition Documentation

DEBUG_LOG

#define DEBUG_LOG

(

msg

)

Value:

std::cout << msg << std::endl

Definition at line 13 of file compression.cc.

Referenced by yaze::gfx::lc_lz2::AddCompressionToChain(), yaze::gfx::lc_lz2::CheckAvailableCompressionCommands(), yaze::gfx::lc_lz2::CheckByteRepeatV3(), yaze::gfx::lc_lz2::CheckIncByteV3(), yaze::gfx::lc_lz2::CheckIntraCopyV3(), yaze::gfx::lc_lz2::CheckWordRepeatV3(), yaze::gfx::lc_lz2::CompressV3(), yaze::gfx::lc_lz2::DetermineBestCompression(), yaze::gfx::lc_lz2::FinalizeCompression(), and yaze::gfx::lc_lz2::HandleDirectCopy().