86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
//
|
|
// EuropaTools
|
|
//
|
|
// (C) 2021-2022 modeco80 <lily.modeco80@protonmail.ch>
|
|
//
|
|
// SPDX-License-Identifier: LGPL-3.0-or-later
|
|
//
|
|
|
|
#ifndef EUROPA_STRUCTS_PAK_H
|
|
#define EUROPA_STRUCTS_PAK_H
|
|
|
|
#include <europa/structs/ImHexAdapter.h>
|
|
|
|
#include <cstdint>
|
|
#include <cstring>
|
|
|
|
namespace europa::structs {
|
|
|
|
enum class PakVersion : u16 {
|
|
Starfighter = 0x4,
|
|
Ver2 = 0x5
|
|
};
|
|
|
|
struct [[gnu::packed]] PakHeader {
|
|
constexpr static const char VALID_MAGIC[16] = "Europa Packfile";
|
|
|
|
char magic[16]; // "Europa Packfile\0"
|
|
|
|
/**
|
|
* Header size. Doesn't include the magic.
|
|
*/
|
|
u16 headerSize;
|
|
|
|
PakVersion version;
|
|
u8 pad;
|
|
|
|
u32 tocOffset;
|
|
|
|
// Dunno what this is
|
|
u32 unk;
|
|
|
|
u32 fileCount;
|
|
|
|
// Could be Windows FILETIME?
|
|
u32 unk2;
|
|
|
|
u32 reservedPad;
|
|
|
|
/**
|
|
* Get the real header size (including the magic).
|
|
*/
|
|
[[nodiscard]] constexpr std::size_t RealHeaderSize() const {
|
|
return sizeof(magic) + static_cast<std::size_t>(headerSize);
|
|
}
|
|
|
|
void Init(PakVersion ver) {
|
|
// clear any junk
|
|
memset(this, 0, sizeof(PakHeader));
|
|
|
|
// Copy important things.
|
|
std::memcpy(&magic[0], &VALID_MAGIC[0], sizeof(VALID_MAGIC));
|
|
headerSize = sizeof(PakHeader) - (sizeof(PakHeader::VALID_MAGIC) - 1);
|
|
|
|
// Set archive version
|
|
version = ver;
|
|
}
|
|
};
|
|
|
|
// A Toc entry (without string. Needs to be read in seperately)
|
|
struct [[gnu::packed]] PakTocEntry {
|
|
u32 offset;
|
|
u32 size;
|
|
|
|
// Seems to be the same as the header's
|
|
// unk2?
|
|
u32 unk3;
|
|
};
|
|
|
|
static_assert(sizeof(PakHeader) == 0x29, "PakHeader wrong size!!");
|
|
static_assert(sizeof(PakHeader) - (sizeof(PakHeader::VALID_MAGIC) - 1) == 0x1a, "PakHeader::headerSize will be invalid");
|
|
static_assert(sizeof(PakTocEntry) == 0xc, "PakTocEntry wrong size!");
|
|
|
|
} // namespace europa::structs
|
|
|
|
#endif // EUROPA_STRUCTS_PAK_H
|