Move std::tie out of headers

src/player.cpp

@@ -28,6 +28,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "settings.h"
 #include "log.h"
 #include "porting.h"  // strlcpy
+#include <tuple>
 
 
 bool is_valid_player_name(std::string_view name) {
@@ -229,3 +230,19 @@ void PlayerControl::unpackKeysPressed(u32 keypress_bits)
 	place = keypress_bits & (1 << 8);
 	zoom  = keypress_bits & (1 << 9);
 }
+
+static auto tie(const PlayerPhysicsOverride &o)
+{
+	// Make sure to add new members to this list!
+	return std::tie(
+	o.speed, o.jump, o.gravity, o.sneak, o.sneak_glitch, o.new_move, o.speed_climb,
+	o.speed_crouch, o.liquid_fluidity, o.liquid_fluidity_smooth, o.liquid_sink,
+	o.acceleration_default, o.acceleration_air, o.speed_fast, o.acceleration_fast,
+	o.speed_walk
+	);
+}
+
+bool PlayerPhysicsOverride::operator==(const PlayerPhysicsOverride &other) const
+{
+	return tie(*this) == tie(other);
+}