3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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 "irrlichttypes_extrabloated.h"
24 #include "util/container.h" // UniqueQueue
31 /////////////////// Mapgen flags
34 #define MG_DUNGEONS 0x04
35 #define MGV6_JUNGLES 0x08
36 #define MGV6_BIOME_BLEND 0x10
39 /////////////////// Ore generation flags
40 // Use absolute value of height to determine ore placement
41 #define OREFLAG_ABSHEIGHT 0x01
42 // Use 3d noise to get density of ore placement, instead of just the position
43 #define OREFLAG_DENSITY 0x02 // not yet implemented
44 // For claylike ore types, place ore if the number of surrounding
45 // nodes isn't the specified node
46 #define OREFLAG_NODEISNT 0x04 // not yet implemented
48 /////////////////// Decoration flags
49 #define DECO_PLACE_CENTER_X 1
50 #define DECO_PLACE_CENTER_Y 2
51 #define DECO_PLACE_CENTER_Z 4
53 extern FlagDesc flagdesc_mapgen[];
54 extern FlagDesc flagdesc_ore[];
55 extern FlagDesc flagdesc_deco_schematic[];
57 class BiomeDefManager;
61 class ManualMapVoxelManipulator;
62 class VoxelManipulator;
63 class INodeDefManager;
80 flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
83 virtual bool readParams(Settings *settings) = 0;
84 virtual void writeParams(Settings *settings) = 0;
85 virtual ~MapgenParams() {}
94 ManualMapVoxelManipulator *vm;
95 INodeDefManager *ndef;
104 s16 findGroundLevelFull(v2s16 p2d);
105 s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax);
106 void updateHeightmap(v3s16 nmin, v3s16 nmax);
107 void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
108 void setLighting(v3s16 nmin, v3s16 nmax, u8 light);
109 void lightSpread(VoxelArea &a, v3s16 p, u8 light);
110 void calcLighting(v3s16 nmin, v3s16 nmax);
111 void calcLightingOld(v3s16 nmin, v3s16 nmax);
113 virtual void makeChunk(BlockMakeData *data) {}
114 virtual int getGroundLevelAtPoint(v2s16 p) { return 0; }
116 //Legacy functions for Farmesh (pending removal)
117 static bool get_have_beach(u64 seed, v2s16 p2d);
118 static double tree_amount_2d(u64 seed, v2s16 p);
119 static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
122 struct MapgenFactory {
123 virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
124 EmergeManager *emerge) = 0;
125 virtual MapgenParams *createMapgenParams() = 0;
126 virtual ~MapgenFactory() {}
143 #define ORE_RANGE_ACTUAL 1
144 #define ORE_RANGE_MIRROR 2
148 std::string ore_name;
149 std::string wherein_name;
151 content_t wherein; // the node to be replaced
152 u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
153 s16 clust_num_ores; // how many ore nodes are in a chunk
154 s16 clust_size; // how large (in nodes) a chunk of ore is
157 u8 ore_param2; // to set node-specific attributes
158 u32 flags; // attributes for this ore
159 float nthresh; // threshhold for noise at which an ore is placed
160 NoiseParams *np; // noise for distribution of clusters (NULL for uniform scattering)
164 ore = CONTENT_IGNORE;
165 wherein = CONTENT_IGNORE;
172 void resolveNodeNames(INodeDefManager *ndef);
173 void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
174 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
175 u32 blockseed, v3s16 nmin, v3s16 nmax) = 0;
178 class OreScatter : public Ore {
180 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
181 u32 blockseed, v3s16 nmin, v3s16 nmax);
184 class OreSheet : public Ore {
186 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
187 u32 blockseed, v3s16 nmin, v3s16 nmax);
190 Ore *createOre(OreType type);
193 enum DecorationType {
207 CutoffData(s16 x, s16 y, s16 z, s16 h) {
217 std::string place_on_name;
218 content_t c_place_on;
224 //std::list<CutoffData> cutoffs;
225 //JMutex cutoff_mutex;
228 virtual ~Decoration();
230 virtual void resolveNodeNames(INodeDefManager *ndef);
231 void placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
232 void placeCutoffs(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
234 virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p) = 0;
235 virtual int getHeight() = 0;
236 virtual std::string getName() = 0;
239 class DecoSimple : public Decoration {
241 std::string deco_name;
242 std::string spawnby_name;
249 std::vector<std::string> decolist_names;
250 std::vector<content_t> c_decolist;
254 void resolveNodeNames(INodeDefManager *ndef);
255 virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
256 virtual int getHeight();
257 virtual std::string getName();
260 class DecoSchematic : public Decoration {
262 std::string filename;
264 std::vector<std::string> *node_names;
265 std::vector<content_t> c_nodes;
274 void resolveNodeNames(INodeDefManager *ndef);
275 virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
276 virtual int getHeight();
277 virtual std::string getName();
279 bool loadSchematicFile();
280 void saveSchematicFile(INodeDefManager *ndef);
282 bool getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2);
283 void placeStructure(Map *map, v3s16 p);
284 void applyProbabilities(std::vector<std::pair<v3s16, s16> > *plist, v3s16 p0);
287 void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount,
288 std::vector<content_t> *usednodes);
291 class DecoLSystem : public Decoration {
293 virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
297 Decoration *createDecoration(DecorationType type);