3 Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "util/string.h"
29 class ManualMapVoxelManipulator;
31 /////////////////// Ore generation flags
32 // Use absolute value of height to determine ore placement
33 #define OREFLAG_ABSHEIGHT 0x01
34 // Use 3d noise to get density of ore placement, instead of just the position
35 #define OREFLAG_DENSITY 0x02 // not yet implemented
36 // For claylike ore types, place ore if the number of surrounding
37 // nodes isn't the specified node
38 #define OREFLAG_NODEISNT 0x04 // not yet implemented
40 #define ORE_RANGE_ACTUAL 1
41 #define ORE_RANGE_MIRROR 2
43 extern FlagDesc flagdesc_ore[];
53 content_t c_ore; // the node to place
54 std::vector<content_t> c_wherein; // the nodes to be placed in
55 u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
56 s16 clust_num_ores; // how many ore nodes are in a chunk
57 s16 clust_size; // how large (in nodes) a chunk of ore is
60 u8 ore_param2; // to set node-specific attributes
61 u32 flags; // attributes for this ore
62 float nthresh; // threshhold for noise at which an ore is placed
63 NoiseParams *np; // noise for distribution of clusters (NULL for uniform scattering)
67 c_ore = CONTENT_IGNORE;
74 void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
75 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
76 u32 blockseed, v3s16 nmin, v3s16 nmax) = 0;
79 class OreScatter : public Ore {
81 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
82 u32 blockseed, v3s16 nmin, v3s16 nmax);
85 class OreSheet : public Ore {
87 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
88 u32 blockseed, v3s16 nmin, v3s16 nmax);
91 Ore *createOre(OreType type);