Move AutoExposure constructor to header

src/CMakeLists.txt

@@ -417,7 +417,6 @@ set(independent_SRCS
 	hud.cpp
 	inventory.cpp
 	itemstackmetadata.cpp
-	lighting.cpp
 	log.cpp
 	metadata.cpp
 	modchannels.cpp

src/lighting.cpp

@@ -1,14 +0,0 @@
-// Luanti
-// SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 x2048, Dmitry Kostenko <codeforsmile@gmail.com>
-
-#include "lighting.h"
-
-AutoExposure::AutoExposure()
-	: luminance_min(-3.f),
-	luminance_max(-3.f),
-	exposure_correction(0.0f),
-	speed_dark_bright(1000.f),
-	speed_bright_dark(1000.f),
-	center_weight_power(1.f)
-{}

src/lighting.h

@@ -30,7 +30,14 @@ struct AutoExposure
 	/// @brief Power value for center-weighted metering. Value of 1.0 measures entire screen uniformly
 	float center_weight_power;
 
-	AutoExposure();
+	constexpr AutoExposure()
+		: luminance_min(-3.f),
+		luminance_max(-3.f),
+		exposure_correction(0.0f),
+		speed_dark_bright(1000.f),
+		speed_bright_dark(1000.f),
+		center_weight_power(1.f)
+	{}
 };
 
 /** Describes ambient light settings for a player