Mgv7: Add optional floatlands, disabled by default

1 files changed, 21 insertions, 3 deletions

diff --git a/src/mapgen_v7.h b/src/mapgen_v7.h
index 3a6bc0801..3972387a7 100644
--- a/src/mapgen_v7.h
+++ b/src/mapgen_v7.h
@@ -23,9 +23,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "mapgen.h"
 
-/////////////////// Mapgen V7 flags
-#define MGV7_MOUNTAINS   0x01
-#define MGV7_RIDGES      0x02
+////////////// Mapgen V7 flags
+#define MGV7_MOUNTAINS    0x01
+#define MGV7_RIDGES       0x02
+#define MGV7_FLOATLANDS   0x04
 
 class BiomeManager;
 
@@ -35,6 +36,11 @@ extern FlagDesc flagdesc_mapgen_v7[];
 struct MapgenV7Params : public MapgenParams {
 	u32 spflags;
 	float cave_width;
+	float float_mount_density;
+	float float_mount_height;
+	s16 floatland_level;
+	s16 shadow_limit;
+
 	NoiseParams np_terrain_base;
 	NoiseParams np_terrain_alt;
 	NoiseParams np_terrain_persist;
@@ -42,6 +48,8 @@ struct MapgenV7Params : public MapgenParams {
 	NoiseParams np_filler_depth;
 	NoiseParams np_mount_height;
 	NoiseParams np_ridge_uwater;
+	NoiseParams np_floatland_base;
+	NoiseParams np_float_base_height;
 	NoiseParams np_mountain;
 	NoiseParams np_ridge;
 	NoiseParams np_cave1;
@@ -68,16 +76,26 @@ public:
 	float baseTerrainLevelFromMap(int index);
 	bool getMountainTerrainAtPoint(s16 x, s16 y, s16 z);
 	bool getMountainTerrainFromMap(int idx_xyz, int idx_xz, s16 y);
+	bool getFloatlandMountainFromMap(int idx_xyz, int idx_xz, s16 y);
+	void floatBaseExtentFromMap(s16 *float_base_min, s16 *float_base_max, int idx_xz);
+
 	int generateTerrain();
 	void generateRidgeTerrain();
 
 private:
+	float float_mount_density;
+	float float_mount_height;
+	s16 floatland_level;
+	s16 shadow_limit;
+
 	Noise *noise_terrain_base;
 	Noise *noise_terrain_alt;
 	Noise *noise_terrain_persist;
 	Noise *noise_height_select;
 	Noise *noise_mount_height;
 	Noise *noise_ridge_uwater;
+	Noise *noise_floatland_base;
+	Noise *noise_float_base_height;
 	Noise *noise_mountain;
 	Noise *noise_ridge;
 };