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diff --git a/src/mapgen/mapgen_carpathian.h b/src/mapgen/mapgen_carpathian.h
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+++ b/src/mapgen/mapgen_carpathian.h
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+/*
+Minetest
+Copyright (C) 2010-2016 paramat, Matt Gregory
+Copyright (C) 2010-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+Copyright (C) 2017 vlapsley, Vaughan Lapsley <vlapsley@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include "mapgen.h"
+
+///////// Mapgen Carpathian flags
+#define MGCARPATHIAN_CAVERNS 0x01
+
+class BiomeManager;
+
+extern FlagDesc flagdesc_mapgen_carpathian[];
+
+
+struct MapgenCarpathianParams : public MapgenParams
+{
+	u32 spflags            = MGCARPATHIAN_CAVERNS;
+	float cave_width       = 0.09f;
+	s16 large_cave_depth   = -33;
+	s16 lava_depth         = -256;
+	s16 cavern_limit       = -256;
+	s16 cavern_taper       = 256;
+	float cavern_threshold = 0.7f;
+
+	NoiseParams np_base;
+	NoiseParams np_filler_depth;
+	NoiseParams np_height1;
+	NoiseParams np_height2;
+	NoiseParams np_height3;
+	NoiseParams np_height4;
+	NoiseParams np_hills_terrain;
+	NoiseParams np_ridge_terrain;
+	NoiseParams np_step_terrain;
+	NoiseParams np_hills;
+	NoiseParams np_ridge_mnt;
+	NoiseParams np_step_mnt;
+	NoiseParams np_mnt_var;
+	NoiseParams np_cave1;
+	NoiseParams np_cave2;
+	NoiseParams np_cavern;
+
+	MapgenCarpathianParams();
+	~MapgenCarpathianParams() = default;
+
+	void readParams(const Settings *settings);
+	void writeParams(Settings *settings) const;
+};
+
+class MapgenCarpathian : public MapgenBasic
+{
+public:
+	MapgenCarpathian(int mapgenid, MapgenCarpathianParams *params,
+			EmergeManager *emerge);
+	~MapgenCarpathian();
+
+	virtual MapgenType getType() const { return MAPGEN_CARPATHIAN; }
+
+	float getSteps(float noise);
+	inline float getLerp(float noise1, float noise2, float mod);
+
+	virtual void makeChunk(BlockMakeData *data);
+	int getSpawnLevelAtPoint(v2s16 p);
+
+private:
+	s16 large_cave_depth;
+	s32 grad_wl;
+
+	Noise *noise_base;
+	Noise *noise_height1;
+	Noise *noise_height2;
+	Noise *noise_height3;
+	Noise *noise_height4;
+	Noise *noise_hills_terrain;
+	Noise *noise_ridge_terrain;
+	Noise *noise_step_terrain;
+	Noise *noise_hills;
+	Noise *noise_ridge_mnt;
+	Noise *noise_step_mnt;
+	Noise *noise_mnt_var;
+
+	float terrainLevelAtPoint(s16 x, s16 z);
+	int generateTerrain();
+};