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chore: choose appropriate extension for ipak file

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This commit is contained in:
Jan Laupetin
2026-05-15 13:18:37 +02:00
parent 71ca182524
commit f7f4deeecc
1 changed files with 23 additions and 9 deletions
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src/ImageConverter/ImageConverter.cpp
+23 -9
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@@ -14,6 +14,7 @@
#include "Utils/StringUtils.h"
#include <assert.h>
#include <cstring>
#include <filesystem>
#include <format>
#include <fstream>
@@ -28,6 +29,15 @@ namespace
constexpr auto EXTENSION_IWI = ".iwi";
constexpr auto EXTENSION_DDS = ".dds";
constexpr auto EXTENSION_IPAK = ".ipak";
constexpr char IWI_MAGIC[3]{'I', 'W', 'i'};
const char* DetermineExtensionForBytes(const void* bytes, const size_t byteCount)
{
if (byteCount >= sizeof(IWI_MAGIC) && !memcmp(bytes, IWI_MAGIC, sizeof(IWI_MAGIC)))
return ".iwi";
return "";
}
class ImageConverter
{
@@ -200,24 +210,28 @@ namespace
for (const auto& indexEntry : ipak->GetIndexEntries())
{
const auto fileName = std::format("{:0>6x}_{:0>6x}.iwi", indexEntry.key.dataHash, indexEntry.key.nameHash);
std::ofstream outFile(outDir / fileName, std::ios::out | std::ios::binary);
if (!outFile.is_open())
{
con::error("Failed to open ipak file {}", fileName);
return false;
}
const auto baseFileName = std::format("{:0>6x}_{:0>6x}", indexEntry.key.dataHash, indexEntry.key.nameHash);
auto entryStream = ipak->GetEntryStream(indexEntry.key.nameHash, indexEntry.key.dataHash);
if (!entryStream)
{
con::error("Failed to open entry stream for {}", fileName);
con::error("Failed to open entry stream for {}", baseFileName);
return false;
}
char buffer[0x2000];
entryStream->read(buffer, sizeof(buffer));
auto readCount = entryStream->gcount();
const auto extension = DetermineExtensionForBytes(buffer, static_cast<size_t>(readCount));
const auto fileNameWithExtension = std::format("{}{}", baseFileName, extension);
std::ofstream outFile(outDir / fileNameWithExtension, std::ios::out | std::ios::binary);
if (!outFile.is_open())
{
con::error("Failed to open ipak file {}", fileNameWithExtension);
return false;
}
while (readCount > 0)
{
outFile.write(buffer, readCount);
@@ -229,7 +243,7 @@ namespace
entryStream->close();
outFile.close();
con::info("Dumped {}", fileName);
con::info("Dumped {}", fileNameWithExtension);
}
return true;