The new mapgen, noise functions, et al.

src/mapgen.h

@@ -22,12 +22,121 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "irrlichttypes_extrabloated.h"
 #include "util/container.h" // UniqueQueue
+#include "gamedef.h"
+#include "mapnode.h"
+#include "noise.h"
 
-struct BlockMakeData;
+class BiomeDefManager;
+class Biome;
+
+//struct BlockMakeData;
 class MapBlock;
 class ManualMapVoxelManipulator;
 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();
+};
+
+class Mapgen {
+public:
+	BlockMakeData *data;
+	ManualMapVoxelManipulator *vmanip;
+	INodeDefManager *ndef;
+	BiomeDefManager *biomedef;
+
+	int ystride;
+	int zstride;
+
+	v3s16 csize;
+	int seed;
+	int water_level;
+
+	Noise *noise_terrain;
+	Noise *noise_bgroup;
+	Noise *noise_heat;
+	Noise *noise_humidity;
+
+	v3s16 node_min;
+	v3s16 node_max;
+
+	float *map_terrain;
+	float *map_bgroup;
+	float *map_heat;
+	float *map_humidity;
+
+	bool generating;
+	int id;
+
+	NoiseParams *np_terrain;
+	NoiseParams *np_bgroup;
+	NoiseParams *np_heat;
+	NoiseParams *np_humidity;
+
+	//should these be broken off into a "commonly used nodes" class?
+	MapNode n_air;
+	MapNode n_water;
+	MapNode n_lava;
+
+	Mapgen(BiomeDefManager *biomedef, int mapgenid=0, u64 seed=0);
+	Mapgen(BiomeDefManager *biomedef, int mapgenid, u64 seed,
+		   NoiseParams *np_terrain, NoiseParams *np_bgroup,
+		   NoiseParams *np_heat,    NoiseParams *np_humidity);
+	void initMapgen(BiomeDefManager *biomedef, int mapgenid, u64 seed,
+			   NoiseParams *np_terrain, NoiseParams *np_bgroup,
+			   NoiseParams *np_heat,    NoiseParams *np_humidity);
+	~Mapgen();
+
+	void makeChunk(BlockMakeData *data);
+	void updateLiquid(v3s16 node_min, v3s16 node_max);
+	void updateLighting(v3s16 node_min, v3s16 node_max);
+
+	//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);
+};
+
+class EmergeManager {
+public:
+	//settings
+	u64 seed;
+	int water_level;
+	NoiseParams *np_terrain;
+	NoiseParams *np_bgroup;
+	NoiseParams *np_heat;
+	NoiseParams *np_humidity;
+
+	//biome manager
+	BiomeDefManager *biomedef;
+
+	//mapgen objects here
+
+	EmergeManager(IGameDef *gamedef);
+	~EmergeManager();
+	void addBlockToQueue();
+
+
+
+	//mapgen helper methods
+	Biome *getBiomeAtPoint(v3s16 p);
+	int getGroundLevelAtPoint(v2s16 p);
+	bool isBlockUnderground(v3s16 blockpos);
+	u32 getBlockSeed(v3s16 p);
+};
+
+
+/*
 namespace mapgen
 {
 	// Finds precise ground level at any position
@@ -41,10 +150,9 @@ namespace mapgen
 
 	// Main map generation routine
 	void make_block(BlockMakeData *data);
-	
-	/*
-		These are used by FarMesh
-	*/
+
+
+	//These are used by FarMesh
 	bool get_have_beach(u64 seed, v2s16 p2d);
 	double tree_amount_2d(u64 seed, v2s16 p);
 
@@ -64,6 +172,6 @@ namespace mapgen
 	};
 
 }; // namespace mapgen
-
+*/
 #endif