Fractal mapgen: Add seabed and large pseudorandom caves

1 files changed, 47 insertions, 0 deletions

diff --git a/src/cavegen.h b/src/cavegen.h
index b9662587b..22ee5804d 100644
--- a/src/cavegen.h
+++ b/src/cavegen.h
@@ -22,10 +22,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #define VMANIP_FLAG_CAVE VOXELFLAG_CHECKED1
 #define MGV7_LAVA_DEPTH -256
+#define MGFRACTAL_LAVA_DEPTH -256
 
 class MapgenV5;
 class MapgenV6;
 class MapgenV7;
+class MapgenFractal;
 
 class CaveV5 {
 public:
@@ -161,4 +163,49 @@ public:
 	void carveRoute(v3f vec, float f, bool randomize_xz);
 };
 
+class CaveFractal {
+public:
+	MapgenFractal *mg;
+	MMVManip *vm;
+	INodeDefManager *ndef;
+
+	NoiseParams *np_caveliquids;
+
+	s16 min_tunnel_diameter;
+	s16 max_tunnel_diameter;
+	u16 tunnel_routepoints;
+	int dswitchint;
+	int part_max_length_rs;
+
+	bool large_cave_is_flat;
+	bool flooded;
+
+	s16 max_stone_y;
+	v3s16 node_min;
+	v3s16 node_max;
+
+	v3f orp;  // starting point, relative to caved space
+	v3s16 of; // absolute coordinates of caved space
+	v3s16 ar; // allowed route area
+	s16 rs;   // tunnel radius size
+	v3f main_direction;
+
+	s16 route_y_min;
+	s16 route_y_max;
+
+	PseudoRandom *ps;
+
+	content_t c_water_source;
+	content_t c_lava_source;
+	content_t c_ice;
+
+	int water_level;
+
+	CaveFractal() {}
+	CaveFractal(MapgenFractal *mg, PseudoRandom *ps);
+	void makeCave(v3s16 nmin, v3s16 nmax, int max_stone_height);
+	void makeTunnel(bool dirswitch);
+	void carveRoute(v3f vec, float f, bool randomize_xz);
+};
+
 #endif