patch manager: avoid patch import inconsistencies

Save the original patch value instead of the interpreted value
This commit is contained in:
Megamouse 2020-06-19 14:04:39 +02:00
parent 2323cd2a2d
commit 591624b96c
2 changed files with 6 additions and 22 deletions

View File

@ -359,8 +359,9 @@ bool patch_engine::add_patch_data(YAML::Node node, patch_info& info, u32 modifie
}
struct patch_data p_data{};
p_data.type = type;
p_data.offset = addr_node.as<u32>(0) + modifier;
p_data.type = type;
p_data.offset = addr_node.as<u32>(0) + modifier;
p_data.original_value = value_node.IsScalar() ? value_node.Scalar() : "";
// Use try/catch instead of YAML::Node::as<T>(fallback) in order to get an error message
try
@ -385,7 +386,7 @@ bool patch_engine::add_patch_data(YAML::Node node, patch_info& info, u32 modifie
catch (const std::exception& e)
{
const std::string error_message = fmt::format("Skipping patch data entry: [ %s, 0x%.8x, %s ] (key: %s) %s",
p_data.type, p_data.offset, value_node.IsScalar() && value_node.Scalar().size() ? value_node.Scalar() : "?", info.hash, e.what());
p_data.type, p_data.offset, p_data.original_value.empty() ? "?" : p_data.original_value, info.hash, e.what());
append_log_message(log_messages, error_message);
patch_log.error("%s", error_message);
return false;
@ -736,25 +737,7 @@ bool patch_engine::save_patches(const patch_map& patches, const std::string& pat
out << YAML::BeginSeq;
out << fmt::format("%s", data.type);
out << fmt::format("0x%.8x", data.offset);
switch (data.type)
{
case patch_type::lef32:
case patch_type::bef32:
case patch_type::lef64:
case patch_type::bef64:
{
// Using YAML formatting seems good enough for now
out << data.value.double_value;
break;
}
default:
{
out << fmt::format("0x%.8x", data.value.long_value);
break;
}
}
out << data.original_value;
out << YAML::EndSeq;
}

View File

@ -31,6 +31,7 @@ public:
{
patch_type type = patch_type::load;
u32 offset = 0;
std::string original_value; // Used for import consistency (avoid rounding etc.)
union
{
u64 long_value;