45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <string>
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#include <unordered_map>
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#include <vector>
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struct ResourceEntry {
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std::string filename;
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uint64_t offset;
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uint64_t size;
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uint32_t checksum;
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};
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class ResourcePack {
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public:
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ResourcePack();
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~ResourcePack();
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auto loadPack(const std::string& pack_file) -> bool;
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auto savePack(const std::string& pack_file) -> bool;
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auto addFile(const std::string& filename, const std::string& filepath) -> bool;
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auto addDirectory(const std::string& directory) -> bool;
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auto getResource(const std::string& filename) -> std::vector<uint8_t>;
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auto hasResource(const std::string& filename) const -> bool;
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void clear();
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auto getResourceCount() const -> size_t;
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auto getResourceList() const -> std::vector<std::string>;
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static const std::string DEFAULT_ENCRYPT_KEY;
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private:
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static auto calculateChecksum(const std::vector<uint8_t>& data) -> uint32_t;
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static void encryptData(std::vector<uint8_t>& data, const std::string& key);
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static void decryptData(std::vector<uint8_t>& data, const std::string& key);
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std::unordered_map<std::string, ResourceEntry> resources_;
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std::vector<uint8_t> data_;
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bool loaded_{false};
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};
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