initial push with clean and rebuild commands

engine/engine.go

@@ -0,0 +1,98 @@
+package engine
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+var version = "4.25" //Need to manually set the UEVersion, don't know how to guess this
+
+// RebuildProject is the main function to clean up the project, generate files and build
+func RebuildProject(riderEnabled bool, doBuild bool) {
+	_, err := os.Getwd()
+	if err != nil {
+		fmt.Println("Unable to get working dir, returned error: ", err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	projectFile, err := os.Stat("ForlornOutcast.uproject")
+	if err != nil {
+		if os.IsNotExist(err) {
+			fmt.Println("unable to locate project file, are you in the right directory?")
+			bufio.NewReader(os.Stdin).ReadBytes('\n')
+			os.Exit(1)
+		} else {
+			fmt.Println("Unknown error when trying to open ForlornOutcast.uproject... exiting")
+		}
+	}
+	fmt.Println("Found project file... continuing ")
+	projectABSPath, err := filepath.Abs("ForlornOutcast.uproject")
+	if err != nil {
+		fmt.Println("Unable to generate absolute file path to project file: ", err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	checkPath(projectABSPath) // Verifying path, will exit if fail
+	fmt.Println("Using Project Absolute Path: ", projectABSPath)
+	// Setting the folders to remove //remove.go
+	folderRemove := []string{".vs", "Binaries", "Intermediate", "Saved"}
+	fmt.Println("Removing Folders...")
+	err = removeFolders(folderRemove)
+	if err != nil {
+		fmt.Println(err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	// Setting the files to remove //remove.go
+	fileRemove := []string{"ForlornOutcast.sln"}
+	fmt.Println("Removing Files...")
+	err = removeFiles(fileRemove)
+	if err != nil {
+		fmt.Println(err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	// Editing the .uproject file //jsonEdit.go
+	err = editProjectFile(projectFile, riderEnabled)
+	if err != nil {
+		fmt.Printf("Error reading/modifying project file: %s", err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	fmt.Println("Project file has been modified as requested")
+	// Generating the vs files //generateFiles.go
+	err = generateFiles(projectABSPath)
+	if err != nil {
+		fmt.Println("Unable to generate project files, please generate project files manually: ", err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	fmt.Println("Project Files should have been generated...")
+	if !doBuild {
+		fmt.Println("Finished, press <enter> to exit!")
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	// Building the project //compile.go
+	err = buildProject(version, projectABSPath)
+	if err != nil {
+		fmt.Println("Unable to build project, please build the project manually: ", err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+	fmt.Println("Finished, press <enter> to exit!")
+	bufio.NewReader(os.Stdin).ReadBytes('\n')
+	os.Exit(1)
+}
+
+// checkPath is a generic function to just verify file exists
+func checkPath(path string) {
+	_, err := os.Stat(path)
+	if err != nil {
+		fmt.Printf("Path for file %s does not appear to be correct, error: %s exiting...", path, err)
+		bufio.NewReader(os.Stdin).ReadBytes('\n')
+		os.Exit(1)
+	}
+}