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142 lines
3.9 KiB
C++
142 lines
3.9 KiB
C++
/*
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Minetest-c55
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Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MAPGENV6_HEADER
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#define MAPGENV6_HEADER
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#include "mapgen.h"
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#define AVERAGE_MUD_AMOUNT 4
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enum BiomeType
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{
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BT_NORMAL,
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BT_DESERT
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};
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extern NoiseParams nparams_v6_def_terrain_base;
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extern NoiseParams nparams_v6_def_terrain_higher;
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extern NoiseParams nparams_v6_def_steepness;
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extern NoiseParams nparams_v6_def_height_select;
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extern NoiseParams nparams_v6_def_trees;
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extern NoiseParams nparams_v6_def_mud;
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extern NoiseParams nparams_v6_def_beach;
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extern NoiseParams nparams_v6_def_biome;
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extern NoiseParams nparams_v6_def_cave;
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struct MapgenV6Params : public MapgenParams {
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float freq_desert;
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float freq_beach;
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NoiseParams *np_terrain_base;
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NoiseParams *np_terrain_higher;
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NoiseParams *np_steepness;
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NoiseParams *np_height_select;
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NoiseParams *np_trees;
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NoiseParams *np_mud;
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NoiseParams *np_beach;
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NoiseParams *np_biome;
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NoiseParams *np_cave;
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MapgenV6Params() {
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freq_desert = 0.45;
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freq_beach = 0.15;
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np_terrain_base = &nparams_v6_def_terrain_base;
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np_terrain_higher = &nparams_v6_def_terrain_higher;
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np_steepness = &nparams_v6_def_steepness;
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np_height_select = &nparams_v6_def_height_select;
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np_trees = &nparams_v6_def_trees;
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np_mud = &nparams_v6_def_mud;
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np_beach = &nparams_v6_def_beach;
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np_biome = &nparams_v6_def_biome;
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np_cave = &nparams_v6_def_cave;
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}
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bool readParams(Settings *settings);
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void writeParams(Settings *settings);
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};
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class MapgenV6 : public Mapgen {
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public:
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//ManualMapVoxelManipulator &vmanip;
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int ystride;
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v3s16 csize;
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v3s16 node_min;
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v3s16 node_max;
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Noise *noise_terrain_base;
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Noise *noise_terrain_higher;
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Noise *noise_steepness;
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Noise *noise_height_select;
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Noise *noise_trees;
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Noise *noise_mud;
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Noise *noise_beach;
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Noise *noise_biome;
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float *map_terrain_base;
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float *map_terrain_higher;
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float *map_steepness;
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float *map_height_select;
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float *map_trees;
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float *map_mud;
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float *map_beach;
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float *map_biome;
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NoiseParams *np_cave;
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u32 flags;
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float freq_desert;
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float freq_beach;
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MapgenV6(int mapgenid, MapgenV6Params *params);
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~MapgenV6();
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void makeChunk(BlockMakeData *data);
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int getGroundLevelAtPoint(v2s16 p);
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double baseRockLevelFromNoise(v2s16 p);
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static s16 find_ground_level(VoxelManipulator &vmanip,
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v2s16 p2d, INodeDefManager *ndef);
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static s16 find_stone_level(VoxelManipulator &vmanip,
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v2s16 p2d, INodeDefManager *ndef);
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void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
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bool is_apple_tree, INodeDefManager *ndef);
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double tree_amount_2d(u64 seed, v2s16 p);
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bool block_is_underground(u64 seed, v3s16 blockpos);
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double base_rock_level_2d(u64 seed, v2s16 p);
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s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
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double get_mud_add_amount(u64 seed, v2s16 p);
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bool get_have_beach(u64 seed, v2s16 p2d);
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BiomeType get_biome(u64 seed, v2s16 p2d);
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u32 get_blockseed(u64 seed, v3s16 p);
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};
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struct MapgenFactoryV6 : public MapgenFactory {
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Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
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return new MapgenV6(mgid, (MapgenV6Params *)params);
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};
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MapgenParams *createMapgenParams() {
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return new MapgenV6Params();
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};
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};
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#endif
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