Initial public release of rem-essentials

third_party/flsharp/include/fl_math.h

@@ -0,0 +1,35 @@
+#pragma once
+
+// NOTE: This only works when loaded via Freelancer.exe, not FLServer.exe.
+#define FL_180_OVER_PI (*(float*) 0x5D3D38)
+
+class Vector
+{
+public:
+    float x, y, z;
+};
+
+class Quaternion
+{
+public:
+    float w, x, y, z;
+};
+
+class Matrix
+{
+public:
+    float data[3][3];
+};
+
+float GetRotationDelta(const Quaternion& quat, const Matrix& rot);
+
+Quaternion MatrixToQuaternion(const Matrix& m);
+
+#ifdef _MSC_VER
+#if _MSC_VER < 1700
+inline float copysign(float x, float y)
+{
+    return (x < 0 && y > 0) || (x > 0 && y < 0) ? -x : x;
+}
+#endif
+#endif