add M_PI definition back

src/common/tpt-compat.h

@@ -21,6 +21,10 @@
 #define strcasecmp stricmp
 #endif
 
+#ifndef M_PI
+#define M_PI 3.14159265f
+#endif
+
 typedef unsigned short Uint16;
 
 #ifndef NULL

src/graphics/Renderer.cpp

@@ -7,8 +7,9 @@
 #include "Misc.h"
 #include "Renderer.h"
 #include "Graphics.h"
-#include "common/tpt-rand.h"
+#include "common/tpt-compat.h"
 #include "common/tpt-minmax.h"
+#include "common/tpt-rand.h"
 #include "gui/game/RenderPreset.h"
 #include "simulation/Elements.h"
 #include "simulation/ElementGraphics.h"

src/simulation/Element.h

@@ -7,6 +7,8 @@
 #include "Gravity.h"
 #include "Misc.h"
 #include "Simulation.h"
+#include "common/tpt-compat.h"
+#include "common/tpt-rand.h"
 #include "graphics/Renderer.h"
 
 #define IPL -257.0f

src/simulation/Elements.h

@@ -70,7 +70,6 @@
 struct playerst;
 
 #include "ElementClasses.h"
-#include "common/tpt-rand.h"
 
 
 #endif /* ELEMENTS_H_ */