Pre-select current game in world creation dialog

[dragonfireclient.git] / src / mapgen.h

diff --git a/src/mapgen.h b/src/mapgen.h
index febf37e63d980eaea53096887a86b066bc03c573..17136a13796c704de70ca44166752f51d923b0e5 100644 (file)
--- a/src/mapgen.h
+++ b/src/mapgen.h
@@ -1,6 +1,6 @@
 /*
-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 Lesser General Public License as published by
@@ -32,10 +32,22 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define MG_TREES         0x01
 #define MG_CAVES         0x02
 #define MG_DUNGEONS      0x04
-#define MGV6_FORESTS     0x08
+#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;
@@ -43,20 +55,8 @@ class MapBlock;
 class ManualMapVoxelManipulator;
 class VoxelManipulator;
 class INodeDefManager;
-
-struct BlockMakeData {
-       bool no_op;
-       ManualMapVoxelManipulator *vmanip;
-       u64 seed;
-       v3s16 blockpos_min;
-       v3s16 blockpos_max;
-       v3s16 blockpos_requested;
-       UniqueQueue<v3s16> transforming_liquid;
-       INodeDefManager *nodedef;
-
-       BlockMakeData();
-       ~BlockMakeData();
-};
+struct BlockMakeData;
+class VoxelArea;
 
 struct MapgenParams {
        std::string mg_name;
@@ -83,6 +83,14 @@ class Mapgen {
        int water_level;
        bool generating;
        int id;
+       ManualMapVoxelManipulator *vm;
+       INodeDefManager *ndef;
+
+       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);
 
        virtual void makeChunk(BlockMakeData *data) {};
        virtual int getGroundLevelAtPoint(v2s16 p) = 0;
@@ -99,39 +107,56 @@ struct MapgenFactory {
        virtual MapgenParams *createMapgenParams() = 0;
 };
 
-class EmergeManager {
-public:
-       std::map<std::string, MapgenFactory *> mglist;
-
-       //settings
-       MapgenParams *params;
-
-       //mapgen objects here
-       Mapgen *mapgen;
-
-       //biome manager
-       BiomeDefManager *biomedef;
+enum OreType {
+       ORE_SCATTER,
+       ORE_SHEET,
+       ORE_CLAYLIKE
+};
 
-       EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef);
-       ~EmergeManager();
+#define ORE_RANGE_ACTUAL 1
+#define ORE_RANGE_MIRROR 2
 
-       void initMapgens(MapgenParams *mgparams);
-       Mapgen *createMapgen(std::string mgname, int mgid,
-                                               MapgenParams *mgparams, EmergeManager *emerge);
-       MapgenParams *createMapgenParams(std::string mgname);
-       Mapgen *getMapgen();
-       void addBlockToQueue();
+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;
        
-       bool registerMapgen(std::string name, MapgenFactory *mgfactory);
-       MapgenParams *getParamsFromSettings(Settings *settings);
-       void setParamsToSettings(Settings *settings);
+       Ore() {
+               ore     = CONTENT_IGNORE;
+               wherein = CONTENT_IGNORE;
+               np      = NULL;
+               noise   = NULL;
+       }
        
-       //mapgen helper methods
-       Biome *getBiomeAtPoint(v3s16 p);
-       int getGroundLevelAtPoint(v2s16 p);
-       bool isBlockUnderground(v3s16 blockpos);
-       u32 getBlockSeed(v3s16 p);
+       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