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+/*
+Minetest
+Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+Copyright (C) 2010-2015 paramat, Matt Gregory
+
+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.
+*/
+
+#ifndef MAPGEN_FLAT_HEADER
+#define MAPGEN_FLAT_HEADER
+
+#include "mapgen.h"
+
+/////// Mapgen Flat flags
+#define MGFLAT_LAKES 0x01
+#define MGFLAT_HILLS 0x02
+
+class BiomeManager;
+
+extern FlagDesc flagdesc_mapgen_flat[];
+
+
+struct MapgenFlatParams : public MapgenSpecificParams {
+ u32 spflags;
+
+ s16 ground_level;
+ s16 large_cave_depth;
+ float lake_threshold;
+ float lake_steepness;
+ float hill_threshold;
+ float hill_steepness;
+
+ NoiseParams np_terrain;
+ NoiseParams np_filler_depth;
+ NoiseParams np_cave1;
+ NoiseParams np_cave2;
+
+ MapgenFlatParams();
+ ~MapgenFlatParams() {}
+
+ void readParams(const Settings *settings);
+ void writeParams(Settings *settings) const;
+};
+
+class MapgenFlat : public Mapgen {
+public:
+ EmergeManager *m_emerge;
+ BiomeManager *bmgr;
+
+ int ystride;
+ int zstride;
+ u32 spflags;
+
+ v3s16 node_min;
+ v3s16 node_max;
+ v3s16 full_node_min;
+ v3s16 full_node_max;
+
+ s16 ground_level;
+ s16 large_cave_depth;
+ float lake_threshold;
+ float lake_steepness;
+ float hill_threshold;
+ float hill_steepness;
+
+ Noise *noise_terrain;
+ Noise *noise_filler_depth;
+ Noise *noise_cave1;
+ Noise *noise_cave2;
+
+ Noise *noise_heat;
+ Noise *noise_humidity;
+ Noise *noise_heat_blend;
+ Noise *noise_humidity_blend;
+
+ content_t c_stone;
+ content_t c_water_source;
+ content_t c_lava_source;
+ content_t c_desert_stone;
+ content_t c_ice;
+ content_t c_sandstone;
+
+ content_t c_cobble;
+ content_t c_stair_cobble;
+ content_t c_mossycobble;
+ content_t c_sandstonebrick;
+ content_t c_stair_sandstonebrick;
+
+ MapgenFlat(int mapgenid, MapgenParams *params, EmergeManager *emerge);
+ ~MapgenFlat();
+
+ virtual void makeChunk(BlockMakeData *data);
+ int getGroundLevelAtPoint(v2s16 p);
+ void calculateNoise();
+ s16 generateTerrain();
+ MgStoneType generateBiomes(float *heat_map, float *humidity_map);
+ void dustTopNodes();
+ void generateCaves(s16 max_stone_y);
+};
+
+struct MapgenFactoryFlat : public MapgenFactory {
+ Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
+ {
+ return new MapgenFlat(mgid, params, emerge);
+ };
+
+ MapgenSpecificParams *createMapgenParams()
+ {
+ return new MapgenFlatParams();
+ };
+};
+
+#endif