Ported streflop code to win32

source/shared_lib/sources/graphics/pixmap.cpp

@@ -18,7 +18,7 @@
 
 #include "util.h"
 #include "math_util.h"
-#include "random.h"
+#include "randomgen.h"
 #include "FileReader.h"
 #include "ImageReaders.h"
 
@@ -631,7 +631,7 @@ float splatDist(Vec2i a, Vec2i b){
 
 void Pixmap2D::splat(const Pixmap2D *leftUp, const Pixmap2D *rightUp, const Pixmap2D *leftDown, const Pixmap2D *rightDown){
 
-	Random random;
+	RandomGen random;
 
 	assert(components==3 || components==4);
 

source/shared_lib/sources/sound/ds8/sound_player_ds8.cpp

@@ -12,7 +12,7 @@
 #include "sound_player_ds8.h"
 
 #include <cassert>
-//#include <cmath>
+#include <cmath>
 //#include "streflop.h"
 
 #include "util.h"

source/shared_lib/sources/util/randomgen.cpp

@@ -0,0 +1,45 @@
+#include "randomgen.h"
+#include <cassert>
+
+#include "leak_dumper.h"
+
+namespace Shared { namespace Util {
+
+// =====================================================
+//	class RandomGen
+// =====================================================
+
+const int RandomGen::m= 714025;
+const int RandomGen::a= 1366;
+const int RandomGen::b= 150889;
+
+RandomGen::RandomGen(){
+	lastNumber= 0;
+}
+
+void RandomGen::init(int seed){
+	lastNumber= seed % m;
+}
+
+int RandomGen::rand(){
+	lastNumber= (a*lastNumber + b) % m;
+	return lastNumber;
+}
+
+int RandomGen::randRange(int min, int max){
+	assert(min<=max);
+	int diff= max-min;
+	int res= min + static_cast<int>(static_cast<float>(diff+1)*RandomGen::rand() / m);
+	assert(res>=min && res<=max);
+	return res;
+}
+
+float RandomGen::randRange(float min, float max){
+	assert(min<=max);
+	float rand01= static_cast<float>(RandomGen::rand())/(m-1);
+	float res= min+(max-min)*rand01;
+	assert(res>=min && res<=max);
+	return res;
+}
+
+}}//end namespace