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diff --git a/src/mapgen/mapgen_v7.h b/src/mapgen/mapgen_v7.h
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+++ b/src/mapgen/mapgen_v7.h
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+/*
+Minetest
+Copyright (C) 2013-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+Copyright (C) 2014-2017 paramat
+
+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 V7 flags
+#define MGV7_MOUNTAINS   0x01
+#define MGV7_RIDGES      0x02
+#define MGV7_FLOATLANDS  0x04
+#define MGV7_CAVERNS     0x08
+#define MGV7_BIOMEREPEAT 0x10 // Now unused
+
+class BiomeManager;
+
+extern FlagDesc flagdesc_mapgen_v7[];
+
+
+struct MapgenV7Params : public MapgenParams {
+	u32 spflags = MGV7_MOUNTAINS | MGV7_RIDGES | MGV7_CAVERNS;
+	s16 mount_zero_level = 0;
+	float cave_width = 0.09f;
+	s16 large_cave_depth = -33;
+	s16 lava_depth = -256;
+	float float_mount_density = 0.6f;
+	float float_mount_height = 128.0f;
+	s16 floatland_level = 1280;
+	s16 shadow_limit = 1024;
+	s16 cavern_limit = -256;
+	s16 cavern_taper = 256;
+	float cavern_threshold = 0.7f;
+
+	NoiseParams np_terrain_base;
+	NoiseParams np_terrain_alt;
+	NoiseParams np_terrain_persist;
+	NoiseParams np_height_select;
+	NoiseParams np_filler_depth;
+	NoiseParams np_mount_height;
+	NoiseParams np_ridge_uwater;
+	NoiseParams np_floatland_base;
+	NoiseParams np_float_base_height;
+	NoiseParams np_mountain;
+	NoiseParams np_ridge;
+	NoiseParams np_cavern;
+	NoiseParams np_cave1;
+	NoiseParams np_cave2;
+
+	MapgenV7Params();
+	~MapgenV7Params() = default;
+
+	void readParams(const Settings *settings);
+	void writeParams(Settings *settings) const;
+};
+
+class MapgenV7 : public MapgenBasic {
+public:
+	MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge);
+	~MapgenV7();
+
+	virtual MapgenType getType() const { return MAPGEN_V7; }
+
+	virtual void makeChunk(BlockMakeData *data);
+	int getSpawnLevelAtPoint(v2s16 p);
+
+	float baseTerrainLevelAtPoint(s16 x, s16 z);
+	float baseTerrainLevelFromMap(int index);
+	bool getMountainTerrainAtPoint(s16 x, s16 y, s16 z);
+	bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y);
+	bool getFloatlandMountainFromMap(int idx_xyz, int idx_xz, s16 y);
+	void floatBaseExtentFromMap(s16 *float_base_min, s16 *float_base_max, int idx_xz);
+
+	int generateTerrain();
+	void generateRidgeTerrain();
+
+private:
+	s16 mount_zero_level;
+	s16 large_cave_depth;
+	float float_mount_density;
+	float float_mount_height;
+	s16 floatland_level;
+	s16 shadow_limit;
+
+	Noise *noise_terrain_base;
+	Noise *noise_terrain_alt;
+	Noise *noise_terrain_persist;
+	Noise *noise_height_select;
+	Noise *noise_mount_height;
+	Noise *noise_ridge_uwater;
+	Noise *noise_floatland_base;
+	Noise *noise_float_base_height;
+	Noise *noise_mountain;
+	Noise *noise_ridge;
+};