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Add checks to AssetBuffers before they are used (#820)

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* add checks to buffers before they are used
to avoid crashing

* address feedback
This commit is contained in:
Aaron Kimbrell 2022-11-10 12:59:31 -06:00 committed by GitHub
parent 7c2437173b
commit 1eff3ae454
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 26 additions and 1 deletions
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5
dGame/dInventory/Item.cpp
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@ -344,6 +344,11 @@ void Item::DisassembleModel() {
std::string lxfmlPath = "BrickModels/" + GeneralUtils::SplitString(renderAssetSplit.back(), '.').at(0) + ".lxfml"; std::string lxfmlPath = "BrickModels/" + GeneralUtils::SplitString(renderAssetSplit.back(), '.').at(0) + ".lxfml";
auto buffer = Game::assetManager->GetFileAsBuffer(lxfmlPath.c_str()); auto buffer = Game::assetManager->GetFileAsBuffer(lxfmlPath.c_str());
if (!buffer.m_Success) {
Game::logger->Log("Item", "Failed to load %s to disassemble model into bricks, check that this file exists", lxfmlPath.c_str());
return;
}
std::istream file(&buffer); std::istream file(&buffer);
result.finalize(); result.finalize();

5
dGame/dUtilities/BrickDatabase.cpp
View File

@ -19,6 +19,11 @@ std::vector<Brick>& BrickDatabase::GetBricks(const std::string& lxfmlPath) {
} }
AssetMemoryBuffer buffer = Game::assetManager->GetFileAsBuffer((lxfmlPath).c_str()); AssetMemoryBuffer buffer = Game::assetManager->GetFileAsBuffer((lxfmlPath).c_str());
if (!buffer.m_Success) {
return emptyCache;
}
std::istream file(&buffer); std::istream file(&buffer);
if (!file.good()) { if (!file.good()) {
return emptyCache; return emptyCache;

6
dGame/dUtilities/SlashCommandHandler.cpp
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@ -584,6 +584,12 @@ void SlashCommandHandler::HandleChatCommand(const std::u16string& command, Entit
if (args[0].find("\\") != std::string::npos) return; if (args[0].find("\\") != std::string::npos) return;
auto buf = Game::assetManager->GetFileAsBuffer(("macros/" + args[0] + ".scm").c_str()); auto buf = Game::assetManager->GetFileAsBuffer(("macros/" + args[0] + ".scm").c_str());
if (!buf.m_Success){
ChatPackets::SendSystemMessage(sysAddr, u"Unknown macro! Is the filename right?");
return;
}
std::istream infile(&buf); std::istream infile(&buf);
if (infile.good()) { if (infile.good()) {

11
dZoneManager/Zone.cpp
View File

@ -42,6 +42,12 @@ void Zone::LoadZoneIntoMemory() {
if (m_ZoneFilePath == "ERR") return; if (m_ZoneFilePath == "ERR") return;
AssetMemoryBuffer buffer = Game::assetManager->GetFileAsBuffer(m_ZoneFilePath.c_str()); AssetMemoryBuffer buffer = Game::assetManager->GetFileAsBuffer(m_ZoneFilePath.c_str());
if (!buffer.m_Success) {
Game::logger->Log("Zone", "Failed to load %s", m_ZoneFilePath.c_str());
throw std::runtime_error("Aborting Zone loading due to no Zone File.");
}
std::istream file(&buffer); std::istream file(&buffer);
if (file) { if (file) {
BinaryIO::BinaryRead(file, m_ZoneFileFormatVersion); BinaryIO::BinaryRead(file, m_ZoneFileFormatVersion);
@ -265,7 +271,10 @@ std::vector<LUTriggers::Trigger*> Zone::LoadLUTriggers(std::string triggerFile,
auto buffer = Game::assetManager->GetFileAsBuffer((m_ZonePath + triggerFile).c_str()); auto buffer = Game::assetManager->GetFileAsBuffer((m_ZonePath + triggerFile).c_str());
if (!buffer.m_Success) return lvlTriggers; if (!buffer.m_Success) {
Game::logger->Log("Zone", "Failed to load %s from disk. Skipping loading triggers", (m_ZonePath + triggerFile).c_str());
return lvlTriggers;
}
std::istream file(&buffer); std::istream file(&buffer);
std::stringstream data; std::stringstream data;