Merge pull request #1 from thegtproject/winsupport

mpq/stormlib now works on windows

extract.bat

@@ -0,0 +1 @@
+go run .\tools\mpq --target="assets" extract mpq\d2data.mpq

formats/mpq/build.go

@@ -0,0 +1,16 @@
+package mpq
+
+/*
+
+// Build Tags
+
+// Windows
+#cgo windows CFLAGS: -D_MPQ_WINDOWS
+#cgo windows LDFLAGS: -Lstormlib -lstorm -lwininet -lz -lbz2 -lstdc++
+
+// Linux
+#cgo linux CFLAGS: -D_MPQ_LINUX
+#cgo linux LDFLAGS: -L./stormlib/ -lstorm -lz -lbz2 -lstdc++
+
+*/
+import "C"

formats/mpq/mpq.go

@@ -1,22 +1,30 @@
 package mpq
 
-// #cgo LDFLAGS: -L./stormlib/ -lstorm -lz -lbz2 -lstdc++
+// #ifdef _MPQ_WINDOWS
+// 		#include <windows.h>
 // 		#include <stdlib.h>
+// #endif
+// #ifdef _MPQ_LINUX
+//		#include <stdlib.h>
+//		#define WINAPI
+// 		DWORD GetLastError();
+// #endif
+//
 // #define DWORD unsigned int
-// #define HANDLE void *
-// #define LONG int
 // #define LPDWORD unsigned int *
 // #define LPOVERLAPPED void *
 // #define TCHAR char
-// #define WINAPI
+// #define HANDLE void *
 // #define bool unsigned char
+// #define LONG int
+//
 // bool  WINAPI SFileOpenArchive(const TCHAR * szMpqName, DWORD dwPriority, DWORD dwFlags, HANDLE * phMpq);
 // bool  WINAPI SFileCloseArchive(HANDLE hMpq);
 // bool  WINAPI SFileOpenFileEx(HANDLE hMpq, const char * szFileName, DWORD dwSearchScope, HANDLE * phFile);
 // DWORD WINAPI SFileSetFilePointer(HANDLE hFile, LONG lFilePos, LONG * plFilePosHigh, DWORD dwMoveMethod);
 // bool  WINAPI SFileReadFile(HANDLE hFile, void * lpBuffer, DWORD dwToRead, LPDWORD pdwRead, LPOVERLAPPED lpOverlapped);
 // bool  WINAPI SFileCloseFile(HANDLE hFile);
-// DWORD GetLastError();
+//
 import "C"
 import (
 	"bytes"
@@ -65,7 +73,7 @@ func (f *file) Read(data []byte) (int, error) {
 	var bytesRead int
 	if result := C.SFileReadFile(f.handle, unsafe.Pointer(&data[0]), C.uint(len(data)), (*C.uint)(unsafe.Pointer(&bytesRead)), nil); result == 0 {
 		lastError := getLastError()
-		if lastError == 1002 { // ERROR_HANDLE_EOF
+		if lastError == sysEOF { // ERROR_HANDLE_EOF
 			return bytesRead, io.EOF
 		}
 
@@ -161,7 +169,7 @@ func (a *archive) buildPathMap() error {
 	for _, line := range lines {
 		pathInt := strings.TrimSpace(line)
 		if len(pathInt) > 0 {
-			pathExt := santizePath(pathInt)
+			pathExt := sanitizePath(pathInt)
 			a.paths[pathExt] = pathInt
 		}
 	}
@@ -169,7 +177,7 @@ func (a *archive) buildPathMap() error {
 	return nil
 }
 
-func santizePath(path string) string {
+func sanitizePath(path string) string {
 	return strings.ToLower(strings.Replace(path, "\\", string(os.PathSeparator), -1))
 }
 

formats/mpq/mpq_linux.go

@@ -0,0 +1,7 @@
+// +build linux
+
+package mpq
+
+const (
+	sysEOF = 1002
+)

formats/mpq/mpq_windows.go

@@ -0,0 +1,7 @@
+// +build windows
+
+package mpq
+
+const (
+	sysEOF = 38
+)

formats/mpq/readme.txt

@@ -0,0 +1,11 @@
+To compile and install stormlib on windows with mingw64:
+
+Copy the stormlib folder to an easy to access directory. I used /mingw64/home/thegtproject/stormlib
+
+(from mingw64 console)
+
+$ cd /mingw64/home/thegtproject/stormlib
+$ cmake -DCMAKE_SYSTEM_NAME="windows" -DCMAKE_INSTALL_PREFIX="/mingw64" .
+$ make && make install
+
+Done.

tools/mpq/mpq.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"path"
+	"path/filepath"
 
 	"github.com/FooSoft/lazarus/formats/mpq"
 	"github.com/bmatcuk/doublestar"
@@ -57,8 +57,8 @@ func extract(mpqPath, filter, targetDir string) error {
 		}
 		defer resFile.Close()
 
-		sysPath := path.Join(targetDir, resPath)
-		if err := os.MkdirAll(path.Dir(sysPath), 0777); err != nil {
+		sysPath := filepath.Join(targetDir, resPath)
+		if err := os.MkdirAll(filepath.Dir(sysPath), 0777); err != nil {
 			return err
 		}
 
@@ -85,7 +85,7 @@ func main() {
 	)
 
 	flag.Usage = func() {
-		fmt.Fprintf(os.Stderr, "Usage: %s [options] command [files]\n", path.Base(os.Args[0]))
+		fmt.Fprintf(os.Stderr, "Usage: %s [options] command [files]\n", filepath.Base(os.Args[0]))
 		fmt.Fprintf(os.Stderr, "Parameters:\n\n")
 		flag.PrintDefaults()
 	}