initial commit

2025-09-01 20:47:58 +08:00
commit 12c51b5ddb
843 changed files with 475321 additions and 0 deletions
@@ -0,0 +1,85 @@
+#include "sgu_stdafx.h"
+#include "sgu_mode_npk_extract_files.h"
+
+
+bool extractNPKFiles(const char* szNPKFileName, const char* szOutputDir)
+{
+	if (!szNPKFileName || !szOutputDir || szNPKFileName[0] == 0 || szOutputDir[0] == 0)
+	{
+		printf("Error: Invalid parameters. NPK file name and output directory must be specified.\n");
+		return false; // Invalid parameters
+	}
+
+	if (!createEmptyPath(szOutputDir))
+	{
+		printf("Error: Failed to create output directory '%s'.\n", szOutputDir);
+		return false;
+	}
+
+	NPK::INPKFile* npkFile = NPK::createNPKFile();
+	if (!npkFile)
+	{
+		return false; // Failed to create NPK file interface
+	}
+	if (!npkFile->openPakFile(szNPKFileName))
+	{
+		printf("Failed to open NPK file: '%s', Error=%s\n", szNPKFileName, NPK::getLastErrorMessage());
+		NPK::closeNPKFile(npkFile);
+		return false; // Failed to open NPK file
+	}
+	int32_t fileCount = npkFile->getFileCount();
+	for (int32_t i = 0; i < fileCount; ++i)
+	{
+		NPK::INPKFile::FileNode fileNode;
+		if (npkFile->getFileNode(i, fileNode))
+		{
+			std::string outputPathName = std::string(szOutputDir) + "/" + fileNode.fileName;
+
+			char szOutputPath[MAX_PATH];
+			StringCbCopyA(szOutputPath, sizeof(szOutputPath), outputPathName.c_str());
+			getParentPath(szOutputPath);// Get the directory part of the path
+
+			if (!forceCreatePath(szOutputPath))
+			{
+				printf("Error: Failed to create output path '%s'.\n", szOutputPath);
+				NPK::closeNPKFile(npkFile);
+				return false;
+			}
+
+			NPK::IFileStream* fileStream = npkFile->openFileStream(fileNode.fileName.c_str());
+			if(fileStream == nullptr)
+			{
+				printf("Error: Failed to open file stream for '%s', Error=%s\n", fileNode.fileName.c_str(), NPK::getLastErrorMessage());
+				NPK::closeNPKFile(npkFile);
+				return false;
+			}
+
+			FILE* fpOutput = fopen(outputPathName.c_str(), "wb");
+			if (!fpOutput)
+			{
+				printf("Error: Failed to open output file '%s' for writing.\n", outputPathName.c_str());
+				npkFile->closeFileStream(fileStream);
+				NPK::closeNPKFile(npkFile);
+				return false; // Failed to open output file
+			}
+
+			char buffer[4096] = { 0 };
+			uint32_t bytesRead = 0;
+			while ((bytesRead = fileStream->read(buffer, sizeof(buffer))) > 0)
+			{
+				if (fwrite(buffer, 1, bytesRead, fpOutput) != bytesRead)
+				{
+					printf("Error: Failed to write to output file '%s'.\n", outputPathName.c_str());
+					fclose(fpOutput);
+					npkFile->closeFileStream(fileStream);
+					NPK::closeNPKFile(npkFile);
+					return false; // Failed to write to output file
+				}
+			}
+			fclose(fpOutput);
+			npkFile->closeFileStream(fileStream);
+		}
+	}
+	NPK::closeNPKFile(npkFile);
+	return true;
+}