Separate stick functionality from main file

stick.h

@@ -0,0 +1,41 @@
+#ifndef STICK_H
+#define STICK_H
+
+#include "maths.h"
+#include <stdbool.h>
+
+typedef struct
+{
+	// common
+	vector rawpos, compos;
+	bool recalc;
+
+	// analogue
+	double preaccel, postacel;
+	double accelpow;
+	double deadzone;
+
+	// digital
+	double digiangle;
+	double digideadzone;
+} StickState;
+
+inline void InitDefaults(StickState* p)
+{
+	p->rawpos = (vector){0.0, 0.0};
+	p->compos = (vector){0.0, 0.0};
+
+	p->recalc = true;
+	p->preaccel = 0.0;
+	p->postacel = 0.0;
+	p->accelpow = 1.25;
+	p->deadzone = 0.125;
+
+	p->digiangle = sqrt(2.0) - 1.0;
+	p->digideadzone = 0.5;
+}
+
+void DrawAnalogue(const rect* win, StickState* p);
+void DrawDigital(const rect* win, StickState* p);
+
+#endif//STICK_H