[Cleanup] Cleanup Body Type Code (#4366)

* [Cleanup] Cleanup Body Type-based Code

* Update bodytypes.cpp

* Final

* Update body_type.cpp

* Cleanup

* Cleanup

* Formatting

---------

Co-authored-by: Akkadius <akkadius1@gmail.com>

common/bodytypes.cpp

@@ -0,0 +1,12 @@
+#include "../common/global_define.h"
+#include "../common/bodytypes.h"
+
+std::string BodyType::GetName(uint8 body_type_id)
+{
+	return IsValid(body_type_id) ? body_type_names[body_type_id] : "UNKNOWN BODY TYPE";
+}
+
+bool BodyType::IsValid(uint8 body_type_id)
+{
+	return body_type_names.find(body_type_id) != body_type_names.end();
+}