Add mgv5. New noise code, uses biome API. Eased 3d noise for terrain, caves, blobs

1 files changed, 115 insertions, 0 deletions

diff --git a/src/mapgen_v5.h b/src/mapgen_v5.h
new file mode 100644
index 000000000..c38113fec
--- /dev/null
+++ b/src/mapgen_v5.h
@@ -0,0 +1,115 @@
+/*
+Minetest
+Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef MAPGEN_V5_HEADER
+#define MAPGEN_V5_HEADER
+
+#include "mapgen.h"
+
+/////////////////// Mapgen V5 flags
+//#define MGV5_BLOBS 0x01
+
+extern FlagDesc flagdesc_mapgen_v5[];
+
+
+struct MapgenV5Params : public MapgenSpecificParams {
+	u32 spflags;
+	NoiseParams np_filler_depth;
+	NoiseParams np_factor;
+	NoiseParams np_height;
+	NoiseParams np_cave1;
+	NoiseParams np_cave2;
+	NoiseParams np_ground;
+	NoiseParams np_crumble;
+	NoiseParams np_wetness;
+
+	MapgenV5Params();
+	~MapgenV5Params() {}
+	
+	void readParams(Settings *settings);
+	void writeParams(Settings *settings);
+};
+
+
+class MapgenV5 : public Mapgen {
+public:
+	EmergeManager *emerge;
+	BiomeDefManager *bmgr;
+
+	int ystride;
+	int zstride;
+	u32 flags;
+	u32 spflags;
+
+	u32 blockseed;
+	v3s16 node_min;
+	v3s16 node_max;
+	v3s16 full_node_min;
+	v3s16 full_node_max;
+	
+	Noise *noise_filler_depth;
+	Noise *noise_factor;
+	Noise *noise_height;
+	Noise *noise_cave1;
+	Noise *noise_cave2;
+	Noise *noise_ground;
+	Noise *noise_crumble;
+	Noise *noise_wetness;
+	Noise *noise_heat;
+	Noise *noise_humidity;
+
+	content_t c_stone;
+	content_t c_dirt;
+	content_t c_dirt_with_grass;
+	content_t c_sand;
+	content_t c_water_source;
+	content_t c_lava_source;
+	content_t c_ice;
+	content_t c_gravel;
+	content_t c_cobble;
+	content_t c_desert_sand;
+	content_t c_desert_stone;
+	content_t c_mossycobble;
+	content_t c_sandbrick;
+	content_t c_stair_cobble;
+	content_t c_stair_sandstone;
+
+	MapgenV5(int mapgenid, MapgenParams *params, EmergeManager *emerge_);
+	~MapgenV5();
+	
+	virtual void makeChunk(BlockMakeData *data);
+	void calculateNoise();
+	void generateBaseTerrain();
+	void generateBlobs();
+	void generateBiomes();
+	void dustTopNodes();
+};
+
+
+struct MapgenFactoryV5 : public MapgenFactory {
+	Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
+		return new MapgenV5(mgid, params, emerge);
+	};
+	
+	MapgenSpecificParams *createMapgenParams() {
+		return new MapgenV5Params();
+	};
+};
+
+#endif