Mgv6: Move global mapgen flag 'flat' into mgv6 spflags
[oweals/minetest.git] / src / mapgen_v6.h
index 9a2a0287de159ffbb3778270f4214a6b7bb4b8de..dec92ab48bbaec778f417777f606c95923f9ed5b 100644 (file)
@@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2015 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
@@ -21,121 +21,157 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define MAPGENV6_HEADER
 
 #include "mapgen.h"
+#include "noise.h"
 
-#define AVERAGE_MUD_AMOUNT 4
+#define MGV6_AVERAGE_MUD_AMOUNT 4
+#define MGV6_DESERT_STONE_BASE -32
+#define MGV6_ICE_BASE 0
+#define MGV6_FREQ_HOT 0.4
+#define MGV6_FREQ_SNOW -0.4
+#define MGV6_FREQ_TAIGA 0.5
+#define MGV6_FREQ_JUNGLE 0.5
 
-enum BiomeType
+//////////// Mapgen V6 flags
+#define MGV6_JUNGLES    0x01
+#define MGV6_BIOMEBLEND 0x02
+#define MGV6_MUDFLOW    0x04
+#define MGV6_SNOWBIOMES 0x08
+#define MGV6_FLAT       0x10
+
+
+extern FlagDesc flagdesc_mapgen_v6[];
+
+
+enum BiomeV6Type
 {
        BT_NORMAL,
-       BT_DESERT
+       BT_DESERT,
+       BT_JUNGLE,
+       BT_TUNDRA,
+       BT_TAIGA,
 };
 
-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 {
+
+struct MapgenV6Params : public MapgenSpecificParams {
+       u32 spflags;
        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);
+       NoiseParams np_terrain_base;
+       NoiseParams np_terrain_higher;
+       NoiseParams np_steepness;
+       NoiseParams np_height_select;
+       NoiseParams np_mud;
+       NoiseParams np_beach;
+       NoiseParams np_biome;
+       NoiseParams np_cave;
+       NoiseParams np_humidity;
+       NoiseParams np_trees;
+       NoiseParams np_apple_trees;
+
+       MapgenV6Params();
+       ~MapgenV6Params() {}
+
+       void readParams(const Settings *settings);
+       void writeParams(Settings *settings) const;
 };
 
+
 class MapgenV6 : public Mapgen {
 public:
-       //ManualMapVoxelManipulator &vmanip;
+       EmergeManager *m_emerge;
 
        int ystride;
-       v3s16 csize;
+       u32 spflags;
 
        v3s16 node_min;
        v3s16 node_max;
+       v3s16 full_node_min;
+       v3s16 full_node_max;
+       v3s16 central_area_size;
+       int volume_nodes;
 
        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;
-
+       Noise *noise_humidity;
        NoiseParams *np_cave;
-
-       u32 flags;
+       NoiseParams *np_humidity;
+       NoiseParams *np_trees;
+       NoiseParams *np_apple_trees;
        float freq_desert;
        float freq_beach;
 
-       MapgenV6(int mapgenid, MapgenV6Params *params);
+       content_t c_stone;
+       content_t c_dirt;
+       content_t c_dirt_with_grass;
+       content_t c_sand;
+       content_t c_water_source;
+       content_t c_lava_source;
+       content_t c_gravel;
+       content_t c_desert_stone;
+       content_t c_desert_sand;
+       content_t c_dirt_with_snow;
+       content_t c_snow;
+       content_t c_snowblock;
+       content_t c_ice;
+
+       content_t c_cobble;
+       content_t c_mossycobble;
+       content_t c_stair_cobble;
+
+       MapgenV6(int mapgenid, MapgenParams *params, EmergeManager *emerge);
        ~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);
+       float baseTerrainLevel(float terrain_base, float terrain_higher,
+               float steepness, float height_select);
+       virtual float baseTerrainLevelFromNoise(v2s16 p);
+       virtual float baseTerrainLevelFromMap(v2s16 p);
+       virtual float baseTerrainLevelFromMap(int index);
+
+       s16 find_stone_level(v2s16 p2d);
        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);
+
+       float getHumidity(v2s16 p);
+       float getTreeAmount(v2s16 p);
+       bool getHaveAppleTree(v2s16 p);
+       float getMudAmount(v2s16 p);
+       virtual float getMudAmount(int index);
+       bool getHaveBeach(v2s16 p);
+       bool getHaveBeach(int index);
+       BiomeV6Type getBiome(v2s16 p);
+       BiomeV6Type getBiome(int index, v2s16 p);
+
        u32 get_blockseed(u64 seed, v3s16 p);
+
+       virtual void calculateNoise();
+       int generateGround();
+       void addMud();
+       void flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos);
+       void growGrass();
+       void placeTreesAndJungleGrass();
+       virtual void generateCaves(int max_stone_y);
 };
 
+
 struct MapgenFactoryV6 : public MapgenFactory {
-       Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
-               return new MapgenV6(mgid, (MapgenV6Params *)params);
+       Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge)
+       {
+               return new MapgenV6(mgid, params, emerge);
        };
-       
-       MapgenParams *createMapgenParams() {
+
+       MapgenSpecificParams *createMapgenParams()
+       {
                return new MapgenV6Params();
        };
 };
 
+
 #endif