cyberarm/w3dhub_linux_launcher
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Replace usage of Mixer with WWMix reimplementation, fixes excessive memory usage by NOT eager loading MIX file data blobs

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Cyberarm
2026-01-07 18:04:44 -06:00
parent a0ff6ec812
commit 7f7e0fab6a
4 changed files with 28 additions and 397 deletions
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35
lib/application_manager/task.rb
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@@ -739,34 +739,51 @@ class W3DHub
temp_file_path = normalize_path(manifest_file.name, temp_path)
logger.info(LOG_TAG) { " Loading #{temp_file_path}.patch..." }
patch_mix = W3DHub::Mixer::Reader.new(file_path: "#{temp_file_path}.patch", ignore_crc_mismatches: false)
patch_info = JSON.parse(patch_mix.package.files.find { |f| f.name.casecmp?(".w3dhub.patch") || f.name.casecmp?(".bhppatch") }.data, symbolize_names: true)
patch_mix = W3DHub::WWMix.new(path: "#{temp_file_path}.patch")
unless patch_mix.load
raise patch_mix.error_reason
end
patch_entry = patch_mix.entries.find { |e| e.name.casecmp?(".w3dhub.patch") || e.name.casecmp?(".bhppatch") }
patch_entry.read
patch_info = JSON.parse(patch_entry.blob, symbolize_names: true)
logger.info(LOG_TAG) { " Loading #{file_path}..." }
target_mix = W3DHub::Mixer::Reader.new(file_path: "#{file_path}", ignore_crc_mismatches: false)
target_mix = W3DHub::WWMix.new(path: "#{file_path}")
unless target_mix.load
raise target_mix.error_reason
end
logger.info(LOG_TAG) { " Removing files..." } if patch_info[:removedFiles].size.positive?
patch_info[:removedFiles].each do |file|
logger.debug(LOG_TAG) { " #{file}" }
target_mix.package.files.delete_if { |f| f.name.casecmp?(file) }
target_mix.entries.delete_if { |e| e.name.casecmp?(file) }
end
logger.info(LOG_TAG) { " Adding/Updating files..." } if patch_info[:updatedFiles].size.positive?
patch_info[:updatedFiles].each do |file|
logger.debug(LOG_TAG) { " #{file}" }
patch = patch_mix.package.files.find { |f| f.name.casecmp?(file) }
target = target_mix.package.files.find { |f| f.name.casecmp?(file) }
patch = patch_mix.entries.find { |e| e.name.casecmp?(file) }
target = target_mix.entries.find { |e| e.name.casecmp?(file) }
if target
target_mix.package.files[target_mix.package.files.index(target)] = patch
target_mix.entries[target_mix.entries.index(target)] = patch
else
target_mix.package.files << patch
target_mix.entries << patch
end
end
logger.info(LOG_TAG) { " Writing updated #{file_path}..." } if patch_info[:updatedFiles].size.positive?
W3DHub::Mixer::Writer.new(file_path: "#{file_path}", package: target_mix.package, memory_buffer: true, encrypted: target_mix.encrypted?)
temp_mix_path = "#{temp_path}/#{File.basename(file_path)}"
temp_mix = W3DHub::WWMix.new(path: temp_mix_path)
target_mix.entries.each { |e| temp_mix.add_entry(entry: e) }
unless temp_mix.save
raise temp_mix.error_reason
end
# Overwrite target mix with temp mix
FileUtils.mv(temp_mix_path, file_path)
FileUtils.remove_dir(temp_path)