Refactor body-related classes and add new interoceptor functionality

core/include/stupefier.h

@@ -0,0 +1,30 @@
+#ifndef STUPEFIER_H
+#define STUPEFIER_H
+
+#include <cstdint>
+
+class Stupefier {
+public:
+	Stupefier();
+	~Stupefier();
+
+	void up(uint32_t);
+	void down(uint32_t);
+
+public:
+	uint32_t focus;
+};
+
+class SoftStupefier : public Stupefier {
+public:
+	SoftStupefier();
+	~SoftStupefier();
+};
+
+class HardStupefier : public Stupefier {
+public:
+	HardStupefier();
+	~HardStupefier();
+};
+
+#endif // STUPEFIER_H