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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+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_HEADER
#define MAPGEN_HEADER
-#include "common_irrlicht.h"
-#include "utility.h" // UniqueQueue
+#include "irrlichttypes_extrabloated.h"
+#include "util/container.h" // UniqueQueue
+#include "gamedef.h"
+#include "mapnode.h"
+#include "noise.h"
+#include "settings.h"
-struct BlockMakeData;
+/////////////////// Mapgen flags
+#define MG_TREES 0x01
+#define MG_CAVES 0x02
+#define MG_DUNGEONS 0x04
+#define MGV6_FORESTS 0x08
+#define MGV6_BIOME_BLEND 0x10
+
+#define AVERAGE_MUD_AMOUNT 4
+
+class BiomeDefManager;
+class Biome;
+
+//struct BlockMakeData;
class MapBlock;
class ManualMapVoxelManipulator;
+class VoxelManipulator;
+class INodeDefManager;
+
+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;
-namespace mapgen
+extern NoiseParams nparams_v7_def_terrain;
+extern NoiseParams nparams_v7_def_bgroup;
+extern NoiseParams nparams_v7_def_heat;
+extern NoiseParams nparams_v7_def_humidity;
+
+enum BiomeType
{
- // Finds precise ground level at any position
- s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
+ BT_NORMAL,
+ BT_DESERT
+};
- // Find out if block is completely underground
- bool block_is_underground(u64 seed, v3s16 blockpos);
- // Main map generation routine
- void make_block(BlockMakeData *data);
-
- // Add objects according to block content
- void add_random_objects(MapBlock *block);
-
- /*
- These are used by FarMesh
- */
- bool get_have_sand(u64 seed, v2s16 p2d);
+struct BlockMakeData {
+ bool no_op;
+ ManualMapVoxelManipulator *vmanip;
+ u64 seed;
+ v3s16 blockpos_min;
+ v3s16 blockpos_max;
+ v3s16 blockpos_requested;
+ UniqueQueue<v3s16> transforming_liquid;
+ INodeDefManager *nodedef;
+
+ BlockMakeData();
+ ~BlockMakeData();
+};
+
+
+struct MapgenParams {
+ int mg_version;
+ int chunksize;
+ u64 seed;
+ int water_level;
+ u32 flags;
+
+ MapgenParams() {
+ mg_version = 6;
+ seed = 0;
+ water_level = 1;
+ chunksize = 5;
+ flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
+ }
+
+ static MapgenParams *createMapgenParams(int mgver);
+ static MapgenParams *getParamsFromSettings(Settings *settings);
+
+};
+
+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;
+ }
+};
+
+struct MapgenV7Params : public MapgenParams {
+ NoiseParams *np_terrain;
+ NoiseParams *np_bgroup;
+ NoiseParams *np_heat;
+ NoiseParams *np_humidity;
+
+ MapgenV7Params() {
+ np_terrain = &nparams_v7_def_terrain;
+ np_bgroup = &nparams_v7_def_bgroup;
+ np_heat = &nparams_v7_def_heat;
+ np_humidity = &nparams_v7_def_humidity;
+ }
+};
+
+
+class Mapgen {
+public:
+ int seed;
+ int water_level;
+ bool generating;
+ int id;
+
+ virtual void makeChunk(BlockMakeData *data) {};
+ virtual int getGroundLevelAtPoint(v2s16 p) = 0;
+
+ //Legacy functions for Farmesh (pending removal)
+ static bool get_have_beach(u64 seed, v2s16 p2d);
+ static double tree_amount_2d(u64 seed, v2s16 p);
+ static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
+};
+
+
+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);
+};
+
+
+class MapgenV7 : public Mapgen {
+public:
+ BlockMakeData *data;
+ ManualMapVoxelManipulator *vmanip;
+ INodeDefManager *ndef;
+ BiomeDefManager *biomedef;
+
+ int ystride;
+ int zstride;
+
+ v3s16 csize;
+
+ Noise *noise_terrain;
+ Noise *noise_bgroup;
+ Noise *noise_heat;
+ Noise *noise_humidity;
+
+ v3s16 node_min;
+ v3s16 node_max;
+
+ float *map_terrain;
+ float *map_bgroup;
+ float *map_heat;
+ float *map_humidity;
+
+ bool generating;
+ int id;
+ u32 flags;
+
+ //should these be broken off into a "commonly used nodes" class?
+ MapNode n_air;
+ MapNode n_water;
+ MapNode n_lava;
+
+ MapgenV7(BiomeDefManager *biomedef, int mapgenid, MapgenV7Params *params);
+ ~MapgenV7();
+
+ void makeChunk(BlockMakeData *data);
+ int getGroundLevelAtPoint(v2s16 p);
+
+ Biome *getBiomeAtPoint(v3s16 p);
+ void updateLiquid(v3s16 node_min, v3s16 node_max);
+ void updateLighting(v3s16 node_min, v3s16 node_max);
+
+ //Legacy functions for Farmesh (pending removal)
+// static bool get_have_beach(u64 seed, v2s16 p2d);
+// static double tree_amount_2d(u64 seed, v2s16 p);
+// static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
+};
+
+class EmergeManager {
+public:
+ //settings
+ MapgenParams *params;
+
+ //mapgen objects here
+ Mapgen *mapgen;
+
+ //biome manager
+ BiomeDefManager *biomedef;
- struct BlockMakeData
- {
- bool no_op;
- ManualMapVoxelManipulator *vmanip;
- u64 seed;
- v3s16 blockpos;
- UniqueQueue<v3s16> transforming_liquid;
+ EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef, MapgenParams *mgparams);
+ ~EmergeManager();
- BlockMakeData();
- ~BlockMakeData();
- };
+ Mapgen *getMapgen();
+ void addBlockToQueue();
-}; // namespace mapgen
+ //mapgen helper methods
+ Biome *getBiomeAtPoint(v3s16 p);
+ int getGroundLevelAtPoint(v2s16 p);
+ bool isBlockUnderground(v3s16 blockpos);
+ u32 getBlockSeed(v3s16 p);
+};
#endif
projects / oweals / minetest.git / blobdiff