Fixed MSVC support

unkrawerter.cpp

@@ -215,7 +215,14 @@ void readSampleToWAV(FILE* fp, uint32_t offset, const char * filename) {
 }
 
 extern "C" {
- typedef struct __attribute__ ((packed)) {
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#define PACKED 
+#endif
+#ifdef __GNUC__
+#define PACKED __attribute__ ((packed))
+#endif
+ typedef struct PACKED {
  uint32_t loopLength;
  uint32_t size;
  uint32_t c2Freq;
@@ -228,11 +235,11 @@ extern "C" {
  signed char data[1];
  } Sample;
 
- typedef struct __attribute__ ((packed)) {
+ typedef struct PACKED {
  unsigned short coord, inc;
  } EnvNode;
 
- typedef struct __attribute__ ((packed)) {
+ typedef struct PACKED {
  EnvNode nodes[ 12 ];
  unsigned char max;
  unsigned char sus;
@@ -241,7 +248,7 @@ extern "C" {
  } Envelope;
 
 
- typedef struct __attribute__ ((packed)) {
+ typedef struct PACKED {
  unsigned short samples[ 96 ];
 
  Envelope envVol;
@@ -254,13 +261,13 @@ extern "C" {
  unsigned char vibRate;
  } Instrument;
 
- typedef struct __attribute__ ((packed)) {
+ typedef struct PACKED {
  unsigned short index[ 16 ];
  unsigned short rows;
  unsigned char data[1];
  } Pattern;
 
- typedef struct __attribute__ ((packed)) {
+ typedef struct PACKED {
  unsigned char channels;
  unsigned char numOrders;
  unsigned char songRestart;
@@ -284,6 +291,12 @@ extern "C" {
 
  const Pattern* patterns[1];
  } Module;
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif
+#ifdef PACKED
+#undef PACKED
+#endif
 }
 
 Pattern * readPatternFile(FILE* fp, uint32_t offset) {
@@ -599,4 +612,4 @@ int main(int argc, const char * argv[]) {
  }
  fclose(fp);
  return 0;
-}
+}