X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmapgen.h;h=653b79ed82b56adda6519a59847b4a6e5ec9096e;hb=9762650f978cc7bae78861b70a051b26cc5e2dc6;hp=3ec14829626aed22809ef037f8a66e521f2a4181;hpb=9b5c492be57945c2df63e84ce8dbf057f45b2754;p=minetest.git

diff --git a/src/mapgen.h b/src/mapgen.h
index 3ec148296..653b79ed8 100644
--- a/src/mapgen.h
+++ b/src/mapgen.h
@@ -26,16 +26,19 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/string.h"
 #include "util/container.h"
 
-#define DEFAULT_MAPGEN "v6"
+#define MAPGEN_DEFAULT MAPGEN_V7
+#define MAPGEN_DEFAULT_NAME "v7"
 
 /////////////////// Mapgen flags
-#define MG_TREES       0x01
+#define MG_TREES       0x01  // Deprecated. Moved into mgv6 flags
 #define MG_CAVES       0x02
 #define MG_DUNGEONS    0x04
-#define MG_FLAT        0x08
+#define MG_FLAT        0x08  // Deprecated. Moved into mgv6 flags
 #define MG_LIGHT       0x10
 #define MG_DECORATIONS 0x20
 
+typedef u8 biome_t;  // copy from mg_biome.h to avoid an unnecessary include
+
 class Settings;
 class MMVManip;
 class INodeDefManager;
@@ -105,37 +108,42 @@ class GenerateNotifier {
 	std::list<GenNotifyEvent> m_notify_events;
 };
 
-struct MapgenSpecificParams {
-	virtual void readParams(const Settings *settings) = 0;
-	virtual void writeParams(Settings *settings) const = 0;
-	virtual ~MapgenSpecificParams() {}
+enum MapgenType {
+	MAPGEN_V5,
+	MAPGEN_V6,
+	MAPGEN_V7,
+	MAPGEN_FLAT,
+	MAPGEN_FRACTAL,
+	MAPGEN_VALLEYS,
+	MAPGEN_SINGLENODE,
+	MAPGEN_INVALID,
 };
 
 struct MapgenParams {
-	std::string mg_name;
+	MapgenType mgtype;
 	s16 chunksize;
 	u64 seed;
 	s16 water_level;
+	s16 mapgen_limit;
 	u32 flags;
 
 	BiomeParams *bparams;
-	MapgenSpecificParams *sparams;
 
 	MapgenParams() :
-		mg_name(DEFAULT_MAPGEN),
+		mgtype(MAPGEN_DEFAULT),
 		chunksize(5),
 		seed(0),
 		water_level(1),
+		mapgen_limit(MAX_MAP_GENERATION_LIMIT),
 		flags(MG_CAVES | MG_LIGHT | MG_DECORATIONS),
-		bparams(NULL),
-		sparams(NULL)
+		bparams(NULL)
 	{
 	}
 
 	virtual ~MapgenParams();
 
-	void load(const Settings &settings);
-	void save(Settings &settings) const;
+	virtual void readParams(const Settings *settings);
+	virtual void writeParams(Settings *settings) const;
 };
 
 
@@ -150,8 +158,9 @@ struct MapgenParams {
 */
 class Mapgen {
 public:
-	int seed;
+	s32 seed;
 	int water_level;
+	int mapgen_limit;
 	u32 flags;
 	bool generating;
 	int id;
@@ -161,7 +170,7 @@ class Mapgen {
 
 	u32 blockseed;
 	s16 *heightmap;
-	u8 *biomemap;
+	biome_t *biomemap;
 	v3s16 csize;
 
 	BiomeGen *biomegen;
@@ -171,8 +180,10 @@ class Mapgen {
 	Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge);
 	virtual ~Mapgen();
 
-	static u32 getBlockSeed(v3s16 p, int seed);
-	static u32 getBlockSeed2(v3s16 p, int seed);
+	virtual MapgenType getType() const { return MAPGEN_INVALID; }
+
+	static u32 getBlockSeed(v3s16 p, s32 seed);
+	static u32 getBlockSeed2(v3s16 p, s32 seed);
 	s16 findGroundLevelFull(v2s16 p2d);
 	s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax);
 	s16 findLiquidSurface(v2s16 p2d, s16 ymin, s16 ymax);
@@ -196,7 +207,19 @@ class Mapgen {
 	// signify this and to cause Server::findSpawnPos() to try another (X, Z).
 	virtual int getSpawnLevelAtPoint(v2s16 p) { return 0; }
 
+	// Mapgen management functions
+	static MapgenType getMapgenType(const std::string &mgname);
+	static const char *getMapgenName(MapgenType mgtype);
+	static Mapgen *createMapgen(MapgenType mgtype, int mgid,
+		MapgenParams *params, EmergeManager *emerge);
+	static MapgenParams *createMapgenParams(MapgenType mgtype);
+	static void getMapgenNames(std::vector<const char *> *mgnames, bool include_hidden);
+
 private:
+	// isLiquidHorizontallyFlowable() is a helper function for updateLiquid()
+	// that checks whether there are floodable nodes without liquid beneath
+	// the node at index vi.
+	inline bool isLiquidHorizontallyFlowable(u32 vi, v3s16 em);
 	DISABLE_CLASS_COPY(Mapgen);
 };
 
@@ -216,40 +239,56 @@ class Mapgen {
 */
 class MapgenBasic : public Mapgen {
 public:
+	MapgenBasic(int mapgenid, MapgenParams *params, EmergeManager *emerge);
+	virtual ~MapgenBasic();
+
+	virtual void generateCaves(s16 max_stone_y, s16 large_cave_depth);
+	virtual bool generateCaverns(s16 max_stone_y);
+	virtual void generateDungeons(s16 max_stone_y, MgStoneType stone_type);
+	virtual MgStoneType generateBiomes();
+	virtual void dustTopNodes();
+
+protected:
 	EmergeManager *m_emerge;
-	BiomeManager *bmgr;
+	BiomeManager *m_bmgr;
 
 	Noise *noise_filler_depth;
-	Noise *noise_cave1;
-	Noise *noise_cave2;
 
 	v3s16 node_min;
 	v3s16 node_max;
 	v3s16 full_node_min;
 	v3s16 full_node_max;
 
+	// Content required for generateBiomes
 	content_t c_stone;
-	content_t c_water_source;
-	content_t c_river_water_source;
 	content_t c_desert_stone;
 	content_t c_sandstone;
+	content_t c_water_source;
+	content_t c_river_water_source;
+	content_t c_lava_source;
+
+	// Content required for generateDungeons
+	content_t c_cobble;
+	content_t c_stair_cobble;
+	content_t c_mossycobble;
+	content_t c_stair_desert_stone;
+	content_t c_sandstonebrick;
+	content_t c_stair_sandstone_block;
 
 	int ystride;
+	int zstride;
 	int zstride_1d;
-	float cave_width;
+	int zstride_1u1d;
 
-	MapgenBasic(int mapgenid, MapgenParams *params, EmergeManager *emerge);
+	u32 spflags;
 
-	virtual MgStoneType generateBiomes();
-	virtual void dustTopNodes();
-	virtual void generateCaves(s16 max_stone_y, s16 large_cave_depth);
-};
-
-struct MapgenFactory {
-	virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
-		EmergeManager *emerge) = 0;
-	virtual MapgenSpecificParams *createMapgenParams() = 0;
-	virtual ~MapgenFactory() {}
+	NoiseParams np_cave1;
+	NoiseParams np_cave2;
+	NoiseParams np_cavern;
+	float cave_width;
+	float cavern_limit;
+	float cavern_taper;
+	float cavern_threshold;
 };
 
 #endif