Merge pull request #8330 from JosJuice/redump-integration

VolumeVerifier: Add Redump.org integration

Source/Core/Common/CMakeLists.txt

@@ -82,6 +82,7 @@ add_library(common
   MemArena.h
   MemoryUtil.cpp
   MemoryUtil.h
+  MinizipUtil.h
   MsgHandler.cpp
   MsgHandler.h
   NandPaths.cpp
@@ -134,6 +135,7 @@ PUBLIC
   enet
   fmt::fmt
   ${MBEDTLS_LIBRARIES}
+  minizip
 
 PRIVATE
   ${CURL_LIBRARIES}

Source/Core/Common/Common.vcxproj

@@ -139,6 +139,7 @@
     <ClInclude Include="MD5.h" />
     <ClInclude Include="MemArena.h" />
     <ClInclude Include="MemoryUtil.h" />
+    <ClInclude Include="MinizipUtil.h" />
     <ClInclude Include="MsgHandler.h" />
     <ClInclude Include="NandPaths.h" />
     <ClInclude Include="Network.h" />

Source/Core/Common/Common.vcxproj.filters

@@ -59,6 +59,7 @@
     <ClInclude Include="Matrix.h" />
     <ClInclude Include="MemArena.h" />
     <ClInclude Include="MemoryUtil.h" />
+    <ClInclude Include="MinizipUtil.h" />
     <ClInclude Include="MsgHandler.h" />
     <ClInclude Include="NandPaths.h" />
     <ClInclude Include="Network.h" />

Source/Core/Common/CommonPaths.h

@@ -41,6 +41,7 @@
 #define MAPS_DIR "Maps"
 #define CACHE_DIR "Cache"
 #define COVERCACHE_DIR "GameCovers"
+#define REDUMPCACHE_DIR "Redump"
 #define SHADERCACHE_DIR "Shaders"
 #define STATESAVES_DIR "StateSaves"
 #define SCREENSHOTS_DIR "ScreenShots"

Source/Core/Common/FileUtil.cpp

@@ -765,6 +765,7 @@ static void RebuildUserDirectories(unsigned int dir_index)
     s_user_paths[D_MAPS_IDX] = s_user_paths[D_USER_IDX] + MAPS_DIR DIR_SEP;
     s_user_paths[D_CACHE_IDX] = s_user_paths[D_USER_IDX] + CACHE_DIR DIR_SEP;
     s_user_paths[D_COVERCACHE_IDX] = s_user_paths[D_CACHE_IDX] + COVERCACHE_DIR DIR_SEP;
+    s_user_paths[D_REDUMPCACHE_IDX] = s_user_paths[D_CACHE_IDX] + REDUMPCACHE_DIR DIR_SEP;
     s_user_paths[D_SHADERCACHE_IDX] = s_user_paths[D_CACHE_IDX] + SHADERCACHE_DIR DIR_SEP;
     s_user_paths[D_SHADERS_IDX] = s_user_paths[D_USER_IDX] + SHADERS_DIR DIR_SEP;
     s_user_paths[D_STATESAVES_IDX] = s_user_paths[D_USER_IDX] + STATESAVES_DIR DIR_SEP;

Source/Core/Common/FileUtil.h

@@ -31,6 +31,7 @@ enum
   D_MAPS_IDX,
   D_CACHE_IDX,
   D_COVERCACHE_IDX,
+  D_REDUMPCACHE_IDX,
   D_SHADERCACHE_IDX,
   D_SHADERS_IDX,
   D_STATESAVES_IDX,

Source/Core/Common/MinizipUtil.h

@@ -0,0 +1,42 @@
+// Copyright 2019 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <algorithm>
+
+#include <minizip/unzip.h>
+
+#include "Common/CommonTypes.h"
+#include "Common/ScopeGuard.h"
+
+namespace Common
+{
+// Reads all of the current file. destination must be big enough to fit the whole file.
+template <typename ContiguousContainer>
+bool ReadFileFromZip(unzFile file, ContiguousContainer* destination)
+{
+  const u32 MAX_BUFFER_SIZE = 65535;
+
+  if (unzOpenCurrentFile(file) != UNZ_OK)
+    return false;
+
+  Common::ScopeGuard guard{[&] { unzCloseCurrentFile(file); }};
+
+  u32 bytes_to_go = static_cast<u32>(destination->size());
+  while (bytes_to_go > 0)
+  {
+    const int bytes_read =
+        unzReadCurrentFile(file, &(*destination)[destination->size() - bytes_to_go],
+                           std::min(bytes_to_go, MAX_BUFFER_SIZE));
+
+    if (bytes_read < 0)
+      return false;
+
+    bytes_to_go -= static_cast<u32>(bytes_read);
+  }
+
+  return true;
+}
+}  // namespace Common