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Write IPak base skeleton without data

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Jan
2023-10-07 19:41:54 +02:00
parent 23d0fe1eb0
commit 8514378465
15 changed files with 390 additions and 62 deletions
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91
src/ObjCommon/ObjContainer/IPak/IPakTypes.h
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@ -2,65 +2,78 @@
#include <cstdint>
typedef uint32_t IPakHash;
#include "Utils/FileUtils.h"
namespace ipak_consts
{
static constexpr size_t IPAK_CHUNK_SIZE = 0x8000;
static constexpr size_t IPAK_CHUNK_COUNT_PER_READ = 0x8;
static constexpr uint32_t IPAK_MAGIC = FileUtils::MakeMagic32('K', 'A', 'P', 'I');
static constexpr uint32_t IPAK_VERSION = 0x50000;
static constexpr uint32_t IPAK_INDEX_SECTION = 1;
static constexpr uint32_t IPAK_DATA_SECTION = 2;
static constexpr uint32_t IPAK_BRANDING_SECTION = FileUtils::MakeMagic32('M', 'E', 'T', 'A');
static constexpr size_t IPAK_CHUNK_SIZE = 0x8000;
static constexpr size_t IPAK_CHUNK_COUNT_PER_READ = 0x8;
}
typedef uint32_t IPakHash;
struct IPakHeader
{
uint32_t magic;
uint32_t version;
uint32_t size;
uint32_t sectionCount;
uint32_t magic;
uint32_t version;
uint32_t size;
uint32_t sectionCount;
};
struct IPakSection
{
uint32_t type;
uint32_t offset;
uint32_t size;
uint32_t itemCount;
uint32_t type;
uint32_t offset;
uint32_t size;
uint32_t itemCount;
};
union IPakIndexEntryKey
{
struct
{
IPakHash dataHash;
IPakHash nameHash;
};
uint64_t combinedKey;
struct
{
IPakHash dataHash;
IPakHash nameHash;
};
uint64_t combinedKey;
};
struct IPakIndexEntry
{
IPakIndexEntryKey key;
uint32_t offset;
uint32_t size;
IPakIndexEntryKey key;
uint32_t offset;
uint32_t size;
};
struct IPakDataBlockHeader
{
union
{
uint32_t countAndOffset;
struct
{
uint32_t offset : 24;
uint32_t count : 8;
};
};
union
{
uint32_t commands[31];
struct
{
uint32_t size : 24;
uint32_t compressed : 8;
}_commands[31];
};
};
union
{
uint32_t countAndOffset;
struct
{
uint32_t offset : 24;
uint32_t count : 8;
};
};
union
{
uint32_t commands[31];
struct
{
uint32_t size : 24;
uint32_t compressed : 8;
} _commands[31];
};
};