Martin Michelsen
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#pragma once
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#include <inttypes.h>
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#include <map>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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struct PatchFileIndex {
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static constexpr size_t CHUNK_SIZE = 0x6000;
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explicit PatchFileIndex(const std::string& root_dir);
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struct File {
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PatchFileIndex* index;
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std::vector<std::string> path_directories;
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std::string name;
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std::shared_ptr<const std::string> loaded_data;
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std::vector<uint32_t> chunk_crcs;
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uint32_t crc32;
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uint32_t size;
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explicit File(PatchFileIndex* index);
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std::shared_ptr<const std::string> load_data();
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};
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const std::vector<std::shared_ptr<File>>& all_files() const;
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std::shared_ptr<File> get(const std::string& filename) const;
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private:
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std::vector<std::shared_ptr<File>> files_by_patch_order;
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std::unordered_map<std::string, std::shared_ptr<File>> files_by_name;
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std::string root_dir;
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};
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struct PatchFileChecksumRequest {
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std::shared_ptr<PatchFileIndex::File> file;
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uint32_t crc32;
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uint32_t size;
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bool response_received;
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explicit PatchFileChecksumRequest(std::shared_ptr<PatchFileIndex::File> file)
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: file(file),
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crc32(0),
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size(0),
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response_received(false) {}
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inline bool needs_update() const {
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return !this->response_received || (this->crc32 != this->file->crc32) || (this->size != this->file->size);
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}
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};
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