X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fnoise.h;h=ba26519f24bc027d71a570f1bba7fd4fd5d59f05;hb=dc5319b6c9f2e39d93f2fa881403f36fc47ffaac;hp=c069046c3464894fa536d7381a5130c25f902597;hpb=25a7fabed83caccb2c321bb4d080c5907f37b60a;p=minetest.git

diff --git a/src/noise.h b/src/noise.h
index c069046c3..ba26519f2 100644
--- a/src/noise.h
+++ b/src/noise.h
@@ -24,11 +24,46 @@ double easeCurve(double t);
  
 // Return value: -1 ... 1
 double noise2d(int x, int y, int seed);
+double noise3d(int x, int y, int z, int seed);
 
 double noise2d_gradient(double x, double y, int seed);
+double noise3d_gradient(double x, double y, double z, int seed);
 
 double noise2d_perlin(double x, double y, int seed,
 		int octaves, double persistence);
 
+double noise2d_perlin_abs(double x, double y, int seed,
+		int octaves, double persistence);
+
+double noise3d_perlin(double x, double y, double z, int seed,
+		int octaves, double persistence);
+
+double noise3d_perlin_abs(double x, double y, double z, int seed,
+		int octaves, double persistence);
+
+class NoiseBuffer
+{
+public:
+	NoiseBuffer();
+	~NoiseBuffer();
+	
+	void clear();
+	void create(int seed, int octaves, double persistence,
+			double pos_scale,
+			double first_x, double first_y, double first_z,
+			double last_x, double last_y, double last_z,
+			double samplelength_x, double samplelength_y, double samplelength_z);
+
+	void intSet(int x, int y, int z, double d);
+	double intGet(int x, int y, int z);
+	double get(double x, double y, double z);
+
+private:
+	double *m_data;
+	double m_start_x, m_start_y, m_start_z;
+	double m_samplelength_x, m_samplelength_y, m_samplelength_z;
+	int m_size_x, m_size_y, m_size_z;
+};
+
 #endif