NierA_PAK.bt

/*
Container for HAP/XML scripts. HAP scripts control most of the quests.
*/

// everything is 4 byte aligned
LittleEndian();

typedef int bool;

struct HeaderEntry
{
	uint32 type;
	uint32 uncompressedSizeMaybe;
	uint32 offset;
};

struct File(uint32 size, uint32 uncompressedSize, bool isCompressed)
{
	uint32 unknown;
	if (isCompressed) {
		ubyte data[unknown];
		local uint32 paddingEndSize = size - unknown - 4;
		if (paddingEndSize > 0)
			ubyte paddingEnd[paddingEndSize];
	}
	else {
		local uint32 paddingEndSize = (4 - (uncompressedSize % 4)) % 4;
		ubyte data[size - 4 - paddingEndSize];
		if (paddingEndSize > 0)
			ubyte paddingEnd[paddingEndSize];
	}
};

local uint32 firstOffset = ReadUInt(0x8);
local uint32 entriesCount = (firstOffset - 0x4) / sizeof(HeaderEntry);

HeaderEntry headerEntries[entriesCount];
uint32 null;

local uint32 i;
local uint32 lastOffset = firstOffset;
local uint32 fileSizes[entriesCount];
local uint32 fileSize;
for (i = 1; i < entriesCount; i++)
{
	fileSizes[i - 1] = headerEntries[i].offset - lastOffset;
	lastOffset = headerEntries[i].offset;
}
fileSizes[entriesCount - 1] = FileSize() - lastOffset;

local bool isCompressed;
for (i = 0; i < entriesCount; i++) {
	isCompressed = headerEntries[i].uncompressedSizeMaybe > fileSizes[i];
	File file(fileSizes[i], headerEntries[i].uncompressedSizeMaybe, isCompressed);
}