add fpk_extract

toolset/CMakeLists.txt

@@ -35,6 +35,7 @@ add_spike_subdir(obb_extract)
 add_spike_subdir(lmt_to_gltf)
 add_spike_subdir(sdl_conv)
 add_spike_subdir(dlc_extract)
+add_spike_subdir(fpk_extract)
 
 if(NOT ${CMAKE_BUILD_TYPE} STREQUAL "Release")
     add_spike_subdir(dev)

toolset/fpk_extract/CMakeLists.txt

@@ -0,0 +1,19 @@
+project(FPKExtract)
+
+build_target(
+  NAME
+  fpk_extract
+  TYPE
+  ESMODULE
+  VERSION
+  1
+  SOURCES
+  fpk_extract.cpp
+  LINKS
+  spike-interface
+  AUTHOR
+  "Lukas Cone"
+  DESCR
+  "FPK Archive Extractor"
+  START_YEAR
+  2024)

toolset/fpk_extract/fpk_extract.cpp

@@ -0,0 +1,98 @@
+/*  FPKExtract
+    Copyright(C) 2024 Lukas Cone
+
+    This program is free software : you can redistribute it and / or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "project.h"
+#include "spike/app_context.hpp"
+#include "spike/except.hpp"
+#include "spike/io/binreader_stream.hpp"
+
+std::string_view filters[]{
+    ".fpk$",
+};
+
+static AppInfo_s appInfo{
+    .filteredLoad = true,
+    .header = FPKExtract_DESC " v" FPKExtract_VERSION ", " FPKExtract_COPYRIGHT
+                              "Lukas Cone",
+    .filters = filters,
+};
+
+AppInfo_s *AppInitModule() { return &appInfo; }
+
+static const uint32 ID = CompileFourCC("FPK");
+
+struct FPKHeader {
+  uint32 id;
+  uint32 null[2];
+  uint16 version;
+  uint16 numFiles;
+};
+
+struct FPKFile {
+  char path[0x40];
+  uint32 unk;
+  uint32 size0;
+  uint32 size1;
+  uint32 offset;
+};
+
+void AppProcessFile(AppContext *ctx) {
+  BinReaderRef rd(ctx->GetStream());
+  FPKHeader hdr;
+  rd.Read(hdr);
+
+  if (hdr.id != ID) {
+    throw es::InvalidHeaderError(hdr.id);
+  }
+
+  if (hdr.version != 2) {
+    throw es::InvalidVersionError(hdr.version);
+  }
+
+  std::vector<FPKFile> files;
+  rd.ReadContainer(files, hdr.numFiles);
+
+  auto ectx = ctx->ExtractContext();
+
+  if (ectx->RequiresFolders()) {
+    for (auto &f : files) {
+      const char *fileName = f.path;
+      while (*fileName == '/') {
+        fileName++;
+      }
+
+      AFileInfo finf(fileName);
+
+      ectx->AddFolderPath(std::string(finf.GetFolder()));
+    }
+
+    ectx->GenerateFolders();
+  }
+
+  std::string buffer;
+
+  for (auto &f : files) {
+    rd.Seek(f.offset);
+    rd.ReadContainer(buffer, f.size0);
+    const char *fileName = f.path;
+    while (*fileName == '/') {
+      fileName++;
+    }
+    ectx->NewFile(fileName);
+    ectx->SendData(buffer);
+  }
+}