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https://github.com/ZDoom/ZDRay.git
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Create a very basic filesystem implementation for zip, folder and wad
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parent
8e1787450b
commit
973512ba06
5 changed files with 60 additions and 30 deletions
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@ -36,6 +36,8 @@ set(ZDRAY_SOURCES
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src/framework/file.h
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src/framework/utf16.cpp
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src/framework/utf16.h
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src/framework/filesystem.cpp
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src/framework/filesystem.h
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src/blockmapbuilder/blockmapbuilder.cpp
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src/blockmapbuilder/blockmapbuilder.h
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src/level/level.cpp
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@ -1,5 +1,4 @@
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#include "textureid.h"
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FFileSystem fileSystem;
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FTextureManager TexMan;
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@ -3,6 +3,7 @@
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#include "framework/tarray.h"
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#include "framework/templates.h"
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#include "framework/zstring.h"
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#include "framework/filesystem.h"
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#include <map>
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#include <memory>
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@ -71,24 +72,6 @@ public:
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constexpr FSetTextureID(int v) : FTextureID(v) {}
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};
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struct FileData
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{
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char* GetMem() { return nullptr; }
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};
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class FFileSystem
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{
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public:
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int CheckNumForFullName(const FString& fullname) { return -1; }
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int FileLength(int lump) { return 0; }
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FileData ReadFile(int lump) { return {}; }
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const char* GetFileFullName(int lump, bool returnshort = true) const { return ""; }
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};
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extern FFileSystem fileSystem;
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class FGameTexture
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{
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public:
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@ -24,6 +24,19 @@ public:
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mz_zip_reader_end(&zip);
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}
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int get_num_files() override
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{
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return mz_zip_reader_get_num_files(&zip);
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}
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std::string get_filename(int file_index) override
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{
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std::string filename;
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filename.resize((size_t)mz_zip_reader_get_filename(&zip, (mz_uint)file_index, nullptr, 0));
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mz_zip_reader_get_filename(&zip, file_index, filename.data(), (mz_uint)filename.size());
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return filename;
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}
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bool file_exists(const std::string& filename) override
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{
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mz_uint32 fileIndex;
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@ -31,26 +44,34 @@ public:
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return result;
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}
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uint64_t get_uncompressed_size(int file_index) override
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{
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mz_zip_archive_file_stat stat;
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mz_bool result = mz_zip_reader_file_stat(&zip, file_index, &stat);
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if (result == MZ_FALSE)
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throw std::runtime_error("mz_zip_reader_file_stat failed");
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return (uint64_t)stat.m_uncomp_size;
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}
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uint32_t get_crc32(const std::string& filename) override
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{
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int file_index = mz_zip_reader_locate_file(&zip, filename.c_str(), nullptr, 0);
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if (file_index == -1)
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throw std::runtime_error("File " + filename + " not found in archive");
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return get_crc32(file_index);
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}
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uint32_t get_crc32(int file_index) override
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{
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mz_zip_archive_file_stat stat;
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mz_bool result = mz_zip_reader_file_stat(&zip, file_index, &stat);
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if (result == MZ_FALSE)
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throw std::runtime_error("mz_zip_reader_file_stat failed");
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return stat.m_crc32;
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}
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std::vector<uint8_t> read_all_bytes(const std::string& filename) override
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std::vector<uint8_t> read_all_bytes(int file_index) override
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{
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int file_index = mz_zip_reader_locate_file(&zip, filename.c_str(), nullptr, 0);
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if (file_index == -1)
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throw std::runtime_error("File " + filename + " not found in archive");
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mz_zip_archive_file_stat stat;
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mz_bool result = mz_zip_reader_file_stat(&zip, file_index, &stat);
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if (result == MZ_FALSE)
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@ -66,12 +87,8 @@ public:
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return buffer;
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}
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std::string read_all_text(const std::string& filename) override
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std::string read_all_text(int file_index) override
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{
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int file_index = mz_zip_reader_locate_file(&zip, filename.c_str(), nullptr, 0);
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if (file_index == -1)
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throw std::runtime_error("File " + filename + " not found in archive");
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mz_zip_archive_file_stat stat;
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mz_bool result = mz_zip_reader_file_stat(&zip, file_index, &stat);
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if (result == MZ_FALSE)
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@ -88,6 +105,27 @@ public:
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return buffer;
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}
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int locate_file(const std::string& filename) override
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{
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return mz_zip_reader_locate_file(&zip, filename.c_str(), nullptr, 0);
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}
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std::vector<uint8_t> read_all_bytes(const std::string& filename) override
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{
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int file_index = mz_zip_reader_locate_file(&zip, filename.c_str(), nullptr, 0);
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if (file_index == -1)
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throw std::runtime_error("File " + filename + " not found in archive");
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return read_all_bytes(file_index);
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}
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std::string read_all_text(const std::string& filename) override
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{
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int file_index = mz_zip_reader_locate_file(&zip, filename.c_str(), nullptr, 0);
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if (file_index == -1)
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throw std::runtime_error("File " + filename + " not found in archive");
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return read_all_text(file_index);
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}
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static size_t read(void* pOpaque, mz_uint64 file_ofs, void* pBuf, size_t n)
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{
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ZipReaderImpl* impl = static_cast<ZipReaderImpl*>(pOpaque);
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@ -12,6 +12,14 @@ public:
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virtual ~ZipReader() = default;
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virtual int get_num_files() = 0;
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virtual std::string get_filename(int file_index) = 0;
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virtual uint64_t get_uncompressed_size(int file_index) = 0;
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virtual uint32_t get_crc32(int file_index) = 0;
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virtual std::vector<uint8_t> read_all_bytes(int file_index) = 0;
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virtual std::string read_all_text(int file_index) = 0;
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virtual int locate_file(const std::string& filename) = 0;
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virtual bool file_exists(const std::string& filename) = 0;
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virtual uint32_t get_crc32(const std::string& filename) = 0;
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virtual std::vector<uint8_t> read_all_bytes(const std::string& filename) = 0;
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