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+/*
+Minetest-c55
+Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@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.
+*/
+
+#ifndef MAPGENV6_HEADER
+#define MAPGENV6_HEADER
+
+#include "mapgen.h"
+
+#define AVERAGE_MUD_AMOUNT 4
+
+enum BiomeType
+{
+ BT_NORMAL,
+ BT_DESERT
+};
+
+extern NoiseParams nparams_v6_def_terrain_base;
+extern NoiseParams nparams_v6_def_terrain_higher;
+extern NoiseParams nparams_v6_def_steepness;
+extern NoiseParams nparams_v6_def_height_select;
+extern NoiseParams nparams_v6_def_trees;
+extern NoiseParams nparams_v6_def_mud;
+extern NoiseParams nparams_v6_def_beach;
+extern NoiseParams nparams_v6_def_biome;
+extern NoiseParams nparams_v6_def_cave;
+
+struct MapgenV6Params : public MapgenParams {
+ float freq_desert;
+ float freq_beach;
+ NoiseParams *np_terrain_base;
+ NoiseParams *np_terrain_higher;
+ NoiseParams *np_steepness;
+ NoiseParams *np_height_select;
+ NoiseParams *np_trees;
+ NoiseParams *np_mud;
+ NoiseParams *np_beach;
+ NoiseParams *np_biome;
+ NoiseParams *np_cave;
+
+ MapgenV6Params() {
+ freq_desert = 0.45;
+ freq_beach = 0.15;
+ np_terrain_base = &nparams_v6_def_terrain_base;
+ np_terrain_higher = &nparams_v6_def_terrain_higher;
+ np_steepness = &nparams_v6_def_steepness;
+ np_height_select = &nparams_v6_def_height_select;
+ np_trees = &nparams_v6_def_trees;
+ np_mud = &nparams_v6_def_mud;
+ np_beach = &nparams_v6_def_beach;
+ np_biome = &nparams_v6_def_biome;
+ np_cave = &nparams_v6_def_cave;
+ }
+
+ bool readParams(Settings *settings);
+ void writeParams(Settings *settings);
+};
+
+class MapgenV6 : public Mapgen {
+public:
+ //ManualMapVoxelManipulator &vmanip;
+
+ int ystride;
+ v3s16 csize;
+
+ v3s16 node_min;
+ v3s16 node_max;
+
+ Noise *noise_terrain_base;
+ Noise *noise_terrain_higher;
+ Noise *noise_steepness;
+ Noise *noise_height_select;
+ Noise *noise_trees;
+ Noise *noise_mud;
+ Noise *noise_beach;
+ Noise *noise_biome;
+
+ float *map_terrain_base;
+ float *map_terrain_higher;
+ float *map_steepness;
+ float *map_height_select;
+ float *map_trees;
+ float *map_mud;
+ float *map_beach;
+ float *map_biome;
+
+ NoiseParams *np_cave;
+
+ u32 flags;
+ float freq_desert;
+ float freq_beach;
+
+ MapgenV6(int mapgenid, MapgenV6Params *params);
+ ~MapgenV6();
+
+ void makeChunk(BlockMakeData *data);
+ int getGroundLevelAtPoint(v2s16 p);
+
+ double baseRockLevelFromNoise(v2s16 p);
+ static s16 find_ground_level(VoxelManipulator &vmanip,
+ v2s16 p2d, INodeDefManager *ndef);
+ static s16 find_stone_level(VoxelManipulator &vmanip,
+ v2s16 p2d, INodeDefManager *ndef);
+ void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
+ bool is_apple_tree, INodeDefManager *ndef);
+ double tree_amount_2d(u64 seed, v2s16 p);
+ bool block_is_underground(u64 seed, v3s16 blockpos);
+ double base_rock_level_2d(u64 seed, v2s16 p);
+ s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
+ double get_mud_add_amount(u64 seed, v2s16 p);
+ bool get_have_beach(u64 seed, v2s16 p2d);
+ BiomeType get_biome(u64 seed, v2s16 p2d);
+ u32 get_blockseed(u64 seed, v3s16 p);
+};
+
+struct MapgenFactoryV6 : public MapgenFactory {
+ Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
+ return new MapgenV6(mgid, (MapgenV6Params *)params);
+ };
+
+ MapgenParams *createMapgenParams() {
+ return new MapgenV6Params();
+ };
+};
+
+#endif