1 files changed, 76 insertions, 0 deletions
diff --git a/src/mapgen/mapgen_flat.h b/src/mapgen/mapgen_flat.h
new file mode 100644
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+++ b/src/mapgen/mapgen_flat.h
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+/*
+Minetest
+Copyright (C) 2015-2017 paramat
+Copyright (C) 2015-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+
+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 Flat flags
+#define MGFLAT_LAKES 0x01
+#define MGFLAT_HILLS 0x02
+
+class BiomeManager;
+
+extern FlagDesc flagdesc_mapgen_flat[];
+
+struct MapgenFlatParams : public MapgenParams
+{
+	u32 spflags = 0;
+	s16 ground_level = 8;
+	s16 large_cave_depth = -33;
+	s16 lava_depth = -256;
+	float cave_width = 0.09f;
+	float lake_threshold = -0.45f;
+	float lake_steepness = 48.0f;
+	float hill_threshold = 0.45f;
+	float hill_steepness = 64.0f;
+	NoiseParams np_terrain;
+	NoiseParams np_filler_depth;
+	NoiseParams np_cave1;
+	NoiseParams np_cave2;
+
+	MapgenFlatParams();
+	~MapgenFlatParams() = default;
+
+	void readParams(const Settings *settings);
+	void writeParams(Settings *settings) const;
+};
+
+class MapgenFlat : public MapgenBasic
+{
+public:
+	MapgenFlat(int mapgenid, MapgenFlatParams *params, EmergeManager *emerge);
+	~MapgenFlat();
+
+	virtual MapgenType getType() const { return MAPGEN_FLAT; }
+
+	virtual void makeChunk(BlockMakeData *data);
+	int getSpawnLevelAtPoint(v2s16 p);
+	s16 generateTerrain();
+
+private:
+	s16 ground_level;
+	s16 large_cave_depth;
+	float lake_threshold;
+	float lake_steepness;
+	float hill_threshold;
+	float hill_steepness;
+	Noise *noise_terrain;
+};