Initial rodecomp source snapshot

Source/File/ResourcePath.cpp

@@ -0,0 +1,55 @@
+#include "Archive/PakRegistry.h"
+#include "File/ResourcePath.h"
+
+// OFFSET: 0x0057BC20
+// FUNCTION: fn_02596
+std::string MakeResourcePath(std::string filename) {
+  std::string path = "data\\";
+  path.append(filename);
+
+  std::size_t colon = path.find(':');
+  if (colon != std::string::npos && colon >= 1) {
+    path = path.substr(colon - 1);
+  }
+
+  std::size_t duplicate;
+  while ((duplicate = path.find("//")) != std::string::npos) {
+    path.replace(duplicate, 2, "/", 1);
+  }
+  return path;
+}
+
+// OFFSET: 0x0057BB50
+// FUNCTION: fn_02595
+bool ResourceExists(const char* filename, int looseOnly) {
+  std::string path = MakeResourcePath(std::string(filename));
+  return g_pakRegistry.Exists(path.c_str(), static_cast<char>(looseOnly) != 0);
+}
+
+// OFFSET: 0x00AE9EE0
+// FUNCTION: fn_18113
+void* ReadLooseResource(const char* filename, std::uint32_t* size) {
+  HANDLE file =
+    CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+  if (file == INVALID_HANDLE_VALUE) {
+    return nullptr;
+  }
+
+  LARGE_INTEGER fileSize;
+  GetFileSizeEx(file, &fileSize);
+  *size = fileSize.LowPart;
+
+  void* data = VirtualAlloc(nullptr, *size, MEM_COMMIT, PAGE_READWRITE);
+  if (!data) {
+    VirtualFree(nullptr, 0, MEM_RELEASE);
+    CloseHandle(file);
+    return nullptr;
+  }
+
+  DWORD read;
+  ReadFile(file, data, *size, &read, nullptr);
+  CloseHandle(file);
+
+  // The original's non-.ebm post-read hook is an established empty routine.
+  return data;
+}