3 Copyright (C) 2014-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
4 Copyright (C) 2015-2017 paramat
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License along
17 with this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #include <unordered_set>
33 /////////////////// Ore generation flags
35 #define OREFLAG_ABSHEIGHT 0x01 // Non-functional but kept to not break flags
36 #define OREFLAG_PUFF_CLIFFS 0x02
37 #define OREFLAG_PUFF_ADDITIVE 0x04
38 #define OREFLAG_USE_NOISE 0x08
48 extern FlagDesc flagdesc_ore[];
50 class Ore : public ObjDef, public NodeResolver {
52 static const bool NEEDS_NOISE = false;
54 content_t c_ore; // the node to place
55 std::vector<content_t> c_wherein; // the nodes to be placed in
56 u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
57 s16 clust_num_ores; // how many ore nodes are in a chunk
58 s16 clust_size; // how large (in nodes) a chunk of ore is
61 u8 ore_param2; // to set node-specific attributes
62 u32 flags = 0; // attributes for this ore
63 float nthresh; // threshold for noise at which an ore is placed
64 NoiseParams np; // noise for distribution of clusters (NULL for uniform scattering)
65 Noise *noise = nullptr;
66 std::unordered_set<u8> biomes;
71 virtual void resolveNodeNames();
73 size_t placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
74 virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
75 v3s16 nmin, v3s16 nmax, u8 *biomemap) = 0;
78 class OreScatter : public Ore {
80 static const bool NEEDS_NOISE = false;
82 virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
83 v3s16 nmin, v3s16 nmax, u8 *biomemap);
86 class OreSheet : public Ore {
88 static const bool NEEDS_NOISE = true;
90 u16 column_height_min;
91 u16 column_height_max;
92 float column_midpoint_factor;
94 virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
95 v3s16 nmin, v3s16 nmax, u8 *biomemap);
98 class OrePuff : public Ore {
100 static const bool NEEDS_NOISE = true;
102 NoiseParams np_puff_top;
103 NoiseParams np_puff_bottom;
104 Noise *noise_puff_top = nullptr;
105 Noise *noise_puff_bottom = nullptr;
110 virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
111 v3s16 nmin, v3s16 nmax, u8 *biomemap);
114 class OreBlob : public Ore {
116 static const bool NEEDS_NOISE = true;
118 virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
119 v3s16 nmin, v3s16 nmax, u8 *biomemap);
122 class OreVein : public Ore {
124 static const bool NEEDS_NOISE = true;
127 Noise *noise2 = nullptr;
132 virtual void generate(MMVManip *vm, int mapseed, u32 blockseed,
133 v3s16 nmin, v3s16 nmax, u8 *biomemap);
136 class OreManager : public ObjDefManager {
138 OreManager(IGameDef *gamedef);
139 virtual ~OreManager() {}
141 const char *getObjectTitle() const
146 static Ore *create(OreType type)
150 return new OreScatter;
166 size_t placeAllOres(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);