actualitzada la carpeta release a SDL3

migrat a resources.pack
2025-10-31 22:58:37 +01:00
parent 70bfced50d
commit 8c6bea897c
513 changed files with 377587 additions and 29821 deletions
@@ -0,0 +1,94 @@
+// resource_pack.hpp
+// Resource pack file format and management for JailDoctor's Dilemma
+// Based on Coffee Crisis Arcade Edition resource pack system
+
+#ifndef RESOURCE_PACK_HPP
+#define RESOURCE_PACK_HPP
+
+#include <array>
+#include <cstdint>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace jdd {
+
+// Entry metadata for each resource in the pack
+struct ResourceEntry {
+    std::string filename;  // Relative path within pack
+    uint64_t offset;       // Byte offset in data block
+    uint64_t size;         // Size in bytes
+    uint32_t checksum;     // CRC32 checksum for verification
+};
+
+// Resource pack file format
+// Header: "JDDI" (4 bytes) + Version (4 bytes)
+// Metadata: Count + array of ResourceEntry
+// Data: Encrypted data block
+class ResourcePack {
+public:
+    ResourcePack() = default;
+    ~ResourcePack() = default;
+
+    // Disable copy/move
+    ResourcePack(const ResourcePack&) = delete;
+    ResourcePack& operator=(const ResourcePack&) = delete;
+    ResourcePack(ResourcePack&&) = delete;
+    ResourcePack& operator=(ResourcePack&&) = delete;
+
+    // Add a single file to the pack
+    auto addFile(const std::string& filepath, const std::string& pack_name) -> bool;
+
+    // Add all files from a directory recursively
+    auto addDirectory(const std::string& dir_path, const std::string& base_path = "")
+        -> bool;
+
+    // Save the pack to a file
+    auto savePack(const std::string& pack_file) -> bool;
+
+    // Load a pack from a file
+    auto loadPack(const std::string& pack_file) -> bool;
+
+    // Get a resource by name
+    auto getResource(const std::string& filename) -> std::vector<uint8_t>;
+
+    // Check if a resource exists
+    auto hasResource(const std::string& filename) const -> bool;
+
+    // Get list of all resources
+    auto getResourceList() const -> std::vector<std::string>;
+
+    // Check if pack is loaded
+    auto isLoaded() const -> bool { return loaded_; }
+
+    // Get pack statistics
+    auto getResourceCount() const -> size_t { return resources_.size(); }
+    auto getDataSize() const -> size_t { return data_.size(); }
+
+    // Calculate overall pack checksum (for validation)
+    auto calculatePackChecksum() const -> uint32_t;
+
+private:
+    static constexpr std::array<char, 4> MAGIC_HEADER = {'J', 'D', 'D', 'I'};
+    static constexpr uint32_t VERSION = 1;
+    static constexpr const char* DEFAULT_ENCRYPT_KEY = "JDDI_RESOURCES_2024";
+
+    // Calculate CRC32 checksum
+    static auto calculateChecksum(const std::vector<uint8_t>& data) -> uint32_t;
+
+    // XOR encryption/decryption
+    static void encryptData(std::vector<uint8_t>& data, const std::string& key);
+    static void decryptData(std::vector<uint8_t>& data, const std::string& key);
+
+    // Read file from disk
+    static auto readFile(const std::string& filepath) -> std::vector<uint8_t>;
+
+    // Member data
+    std::unordered_map<std::string, ResourceEntry> resources_;
+    std::vector<uint8_t> data_;  // Encrypted data block
+    bool loaded_{false};
+};
+
+}  // namespace jdd
+
+#endif  // RESOURCE_PACK_HPP