/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MAPGEN_HEADER
#define MAPGEN_HEADER
-#include "common_irrlicht.h"
-#include "utility.h" // UniqueQueue
+#include "irrlichttypes_extrabloated.h"
+#include "util/container.h" // UniqueQueue
+#include "gamedef.h"
+#include "mapnode.h"
+#include "noise.h"
+#include "settings.h"
+#include <map>
-struct BlockMakeData;
+/////////////////// Mapgen flags
+#define MG_TREES 0x01
+#define MG_CAVES 0x02
+#define MG_DUNGEONS 0x04
+#define MGV6_JUNGLES 0x08
+#define MGV6_BIOME_BLEND 0x10
+#define MG_FLAT 0x20
+
+/////////////////// Ore generation flags
+// Use absolute value of height to determine ore placement
+#define OREFLAG_ABSHEIGHT 0x01
+// Use 3d noise to get density of ore placement, instead of just the position
+#define OREFLAG_DENSITY 0x02 // not yet implemented
+// For claylike ore types, place ore if the number of surrounding
+// nodes isn't the specified node
+#define OREFLAG_NODEISNT 0x04 // not yet implemented
+
+extern FlagDesc flagdesc_mapgen[];
+extern FlagDesc flagdesc_ore[];
+
+class BiomeDefManager;
+class Biome;
+class EmergeManager;
class MapBlock;
class ManualMapVoxelManipulator;
+class VoxelManipulator;
class INodeDefManager;
+struct BlockMakeData;
+class VoxelArea;
+
+struct MapgenParams {
+ std::string mg_name;
+ int chunksize;
+ u64 seed;
+ int water_level;
+ u32 flags;
+
+ MapgenParams() {
+ mg_name = "v6";
+ seed = 0;
+ water_level = 1;
+ chunksize = 5;
+ flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
+ }
+
+ virtual bool readParams(Settings *settings) = 0;
+ virtual void writeParams(Settings *settings) {};
+};
-namespace mapgen
-{
- // Finds precise ground level at any position
- s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
+class Mapgen {
+public:
+ int seed;
+ int water_level;
+ bool generating;
+ int id;
+ ManualMapVoxelManipulator *vm;
+ INodeDefManager *ndef;
- // Find out if block is completely underground
- bool block_is_underground(u64 seed, v3s16 blockpos);
+ void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
+ void setLighting(v3s16 nmin, v3s16 nmax, u8 light);
+ void lightSpread(VoxelArea &a, v3s16 p, u8 light);
+ void calcLighting(v3s16 nmin, v3s16 nmax);
+ void calcLightingOld(v3s16 nmin, v3s16 nmax);
- // Get a pseudorandom seed for a position on the map
- u32 get_blockseed(u64 seed, v3s16 p);
+ virtual void makeChunk(BlockMakeData *data) {};
+ virtual int getGroundLevelAtPoint(v2s16 p) = 0;
- // Main map generation routine
- void make_block(BlockMakeData *data);
+ //Legacy functions for Farmesh (pending removal)
+ static bool get_have_beach(u64 seed, v2s16 p2d);
+ static double tree_amount_2d(u64 seed, v2s16 p);
+ static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
+};
+
+struct MapgenFactory {
+ virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
+ EmergeManager *emerge) = 0;
+ virtual MapgenParams *createMapgenParams() = 0;
+};
+
+enum OreType {
+ ORE_SCATTER,
+ ORE_SHEET,
+ ORE_CLAYLIKE
+};
+
+#define ORE_RANGE_ACTUAL 1
+#define ORE_RANGE_MIRROR 2
+
+class Ore {
+public:
+ std::string ore_name;
+ std::string wherein_name;
+ content_t ore;
+ content_t wherein; // the node to be replaced
+ u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
+ s16 clust_num_ores; // how many ore nodes are in a chunk
+ s16 clust_size; // how large (in nodes) a chunk of ore is
+ s16 height_min;
+ s16 height_max;
+ u8 ore_param2; // to set node-specific attributes
+ u32 flags; // attributes for this ore
+ float nthresh; // threshhold for noise at which an ore is placed
+ NoiseParams *np; // noise for distribution of clusters (NULL for uniform scattering)
+ Noise *noise;
- // Add a tree
- void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
- bool is_apple_tree, INodeDefManager *ndef);
+ Ore() {
+ ore = CONTENT_IGNORE;
+ wherein = CONTENT_IGNORE;
+ np = NULL;
+ noise = NULL;
+ }
- /*
- These are used by FarMesh
- */
- bool get_have_beach(u64 seed, v2s16 p2d);
- double tree_amount_2d(u64 seed, v2s16 p);
-
- struct BlockMakeData
- {
- bool no_op;
- ManualMapVoxelManipulator *vmanip; // Destructor deletes
- u64 seed;
- v3s16 blockpos_min;
- v3s16 blockpos_max;
- v3s16 blockpos_requested;
- UniqueQueue<v3s16> transforming_liquid;
- INodeDefManager *nodedef;
-
- BlockMakeData();
- ~BlockMakeData();
- };
-
-}; // namespace mapgen
+ void resolveNodeNames(INodeDefManager *ndef);
+ void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax) = 0;
+};
+
+class OreScatter : public Ore {
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
+
+class OreSheet : public Ore {
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
+
+Ore *createOre(OreType type);
#endif
projects / dragonfireclient.git / blobdiff