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
38 #define MG_NOLIGHT 0x40
39 #define MGV7_MOUNTAINS 0x80
40 #define MGV7_RIDGES 0x100
42 /////////////////// Ore generation flags
43 // Use absolute value of height to determine ore placement
44 #define OREFLAG_ABSHEIGHT 0x01
45 // Use 3d noise to get density of ore placement, instead of just the position
46 #define OREFLAG_DENSITY 0x02 // not yet implemented
47 // For claylike ore types, place ore if the number of surrounding
48 // nodes isn't the specified node
49 #define OREFLAG_NODEISNT 0x04 // not yet implemented
51 /////////////////// Decoration flags
52 #define DECO_PLACE_CENTER_X 1
53 #define DECO_PLACE_CENTER_Y 2
54 #define DECO_PLACE_CENTER_Z 4
56 extern FlagDesc flagdesc_mapgen[];
57 extern FlagDesc flagdesc_ore[];
58 extern FlagDesc flagdesc_deco_schematic[];
60 class BiomeDefManager;
64 class ManualMapVoxelManipulator;
65 class VoxelManipulator;
82 flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
85 virtual bool readParams(Settings *settings) { return true; }
86 virtual void writeParams(Settings *settings) {}
87 virtual ~MapgenParams() {}
96 ManualMapVoxelManipulator *vm;
97 INodeDefManager *ndef;
106 s16 findGroundLevelFull(v2s16 p2d);
107 s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax);
108 void updateHeightmap(v3s16 nmin, v3s16 nmax);
109 void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
110 void setLighting(v3s16 nmin, v3s16 nmax, u8 light);
111 void lightSpread(VoxelArea &a, v3s16 p, u8 light);
112 void calcLighting(v3s16 nmin, v3s16 nmax);
113 void calcLightingOld(v3s16 nmin, v3s16 nmax);
115 virtual void makeChunk(BlockMakeData *data) {}
116 virtual int getGroundLevelAtPoint(v2s16 p) { return 0; }
118 //Legacy functions for Farmesh (pending removal)
119 static bool get_have_beach(u64 seed, v2s16 p2d);
120 static double tree_amount_2d(u64 seed, v2s16 p);
121 static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
124 struct MapgenFactory {
125 virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
126 EmergeManager *emerge) = 0;
127 virtual MapgenParams *createMapgenParams() = 0;
128 virtual ~MapgenFactory() {}
145 #define ORE_RANGE_ACTUAL 1
146 #define ORE_RANGE_MIRROR 2
150 std::string ore_name;
151 std::vector<std::string> wherein_names;
153 std::vector<content_t> wherein; // the node to be replaced
154 u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
155 s16 clust_num_ores; // how many ore nodes are in a chunk
156 s16 clust_size; // how large (in nodes) a chunk of ore is
159 u8 ore_param2; // to set node-specific attributes
160 u32 flags; // attributes for this ore
161 float nthresh; // threshhold for noise at which an ore is placed
162 NoiseParams *np; // noise for distribution of clusters (NULL for uniform scattering)
166 ore = CONTENT_IGNORE;
173 void resolveNodeNames(INodeDefManager *ndef);
174 void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
175 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
176 u32 blockseed, v3s16 nmin, v3s16 nmax) = 0;
179 class OreScatter : public Ore {
181 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
182 u32 blockseed, v3s16 nmin, v3s16 nmax);
185 class OreSheet : public Ore {
187 virtual void generate(ManualMapVoxelManipulator *vm, int seed,
188 u32 blockseed, v3s16 nmin, v3s16 nmax);
191 Ore *createOre(OreType type);
194 enum DecorationType {
208 CutoffData(s16 x, s16 y, s16 z, s16 h) {
217 INodeDefManager *ndef;
220 std::string place_on_name;
221 content_t c_place_on;
227 //std::list<CutoffData> cutoffs;
228 //JMutex cutoff_mutex;
231 virtual ~Decoration();
233 virtual void resolveNodeNames(INodeDefManager *ndef);
234 void placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
235 void placeCutoffs(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
237 virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p) = 0;
238 virtual int getHeight() = 0;
239 virtual std::string getName() = 0;
242 class DecoSimple : public Decoration {
244 std::string deco_name;
245 std::string spawnby_name;
252 std::vector<std::string> decolist_names;
253 std::vector<content_t> c_decolist;
257 void resolveNodeNames(INodeDefManager *ndef);
258 virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
259 virtual int getHeight();
260 virtual std::string getName();
263 #define MTSCHEM_FILE_SIGNATURE 0x4d54534d // 'MTSM'
264 #define MTSCHEM_PROB_NEVER 0x00
265 #define MTSCHEM_PROB_ALWAYS 0xFF
267 class DecoSchematic : public Decoration {
269 std::string filename;
271 std::vector<std::string> *node_names;
272 std::vector<content_t> c_nodes;
273 std::map<std::string, std::string> replacements;
283 void resolveNodeNames(INodeDefManager *ndef);
284 virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
285 virtual int getHeight();
286 virtual std::string getName();
288 void blitToVManip(v3s16 p, ManualMapVoxelManipulator *vm,
289 Rotation rot, bool force_placement);
291 bool loadSchematicFile();
292 void saveSchematicFile(INodeDefManager *ndef);
294 bool getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2);
295 void placeStructure(Map *map, v3s16 p);
296 void applyProbabilities(std::vector<std::pair<v3s16, u8> > *plist, v3s16 p0);
299 void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount,
300 std::vector<content_t> *usednodes);
303 class DecoLSystem : public Decoration {
305 virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
309 Decoration *createDecoration(DecorationType type);