Removed Mapgen V7 for now

4 files changed, 5 insertions, 321 deletions

diff --git a/src/biome.cpp b/src/biome.cpp
index 69d2dc2f2..180a9c4a5 100644
--- a/src/biome.cpp
+++ b/src/biome.cpp
@@ -182,33 +182,7 @@ int Biome::getSurfaceHeight(float noise_terrain) {
 
 
 void Biome::genColumn(Mapgen *mapgen, int x, int z, int y1, int y2) {
-	MapgenV7 *mg = (MapgenV7 *)mapgen;
-	int i = (z - mg->node_min.Z) * mg->csize.Z + (x - mg->node_min.X);
-	int surfaceh = np->offset + np->scale * mg->map_terrain[i];
-
-	/*///experimental
-	if (groupid > 0) {
-		float prevfreq = mg->biomedef->bgroup_freqs[groupid - 1];
-		float range    = mg->biomedef->bgroup_freqs[groupid] - prevfreq;
-		float factor   = (mg->map_bgroup[i] - prevfreq) / range;
-
-		std::vector<Biome *> *bg = mg->biomedef->bgroups[groupid - 1];
-		Biome *b = (*bg)[0];
-		int h1 = b->np->offset + b->np->scale * mg->map_terrain[i];
-		surfaceh += (int)round((surfaceh - h1) * factor);
-		//printf("h1: %d, surfaceh: %d, factor %f\n", h1, surfaceh, factor);
-	}*/
-
-
-	int y = y1;
-
-	i = mg->vmanip->m_area.index(x, y, z);
-	for (; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = n_filler;
-	for (; y <= surfaceh && y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = n_top;
-	for (; y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = mg->n_air;
+
 }
 
 
@@ -216,20 +190,7 @@ void Biome::genColumn(Mapgen *mapgen, int x, int z, int y1, int y2) {
 
 
 void BiomeLiquid::genColumn(Mapgen *mapgen, int x, int z, int y1, int y2) {
-	MapgenV7 *mg = (MapgenV7 *)mapgen;
-	int i = (z - mg->node_min.Z) * mg->csize.Z + (x - mg->node_min.X);
-	int surfaceh = np->offset + np->scale * mg->map_terrain[i];
-	int y = y1;
-
-	i = mg->vmanip->m_area.index(x, y, z);
-	for (; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = n_filler;
-	for (; y <= surfaceh && y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = n_top;
-	for (; y <= mg->water_level && y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = mg->n_water;
-	for (; y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = mg->n_air;
+
 }
 
 
@@ -242,8 +203,7 @@ int BiomeHell::getSurfaceHeight(float noise_terrain) {
 
 
 void BiomeHell::genColumn(Mapgen *mapgen, int x, int z, int y1, int y2) {
-	MapgenV7 *mg = (MapgenV7 *)mapgen;
-	//stub
+
 }
 
 
@@ -256,8 +216,7 @@ int BiomeAether::getSurfaceHeight(float noise_terrain) {
 
 
 void BiomeAether::genColumn(Mapgen *mapgen, int x, int z, int y1, int y2) {
-	MapgenV7 *mg = (MapgenV7 *)mapgen;
-	//stub
+
 }
 
 
@@ -270,15 +229,5 @@ int BiomeSuperflat::getSurfaceHeight(float noise_terrain) {
 
 
 void BiomeSuperflat::genColumn(Mapgen *mapgen, int x, int z, int y1, int y2) {
-	MapgenV7 *mg = (MapgenV7 *)mapgen;
-	int surfaceh = ntopnodes;
-	int y = y1;
-
-	int i = mg->vmanip->m_area.index(x, y, z);
-	for (; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = n_filler;
-	for (; y <= surfaceh && y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = n_top;
-	for (; y <= y2; y++, i += mg->ystride)
-		mg->vmanip->m_data[i] = mg->n_air;
+
 }
diff --git a/src/map.cpp b/src/map.cpp
index 0099e4157..dff30940d 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -3103,16 +3103,6 @@ void ServerMap::saveMapMeta()
 			params.setNoiseParams("mgv6_np_cave",           v6params->np_cave);
 			break;
 		}
-		case 7:
-		{
-			MapgenV7Params *v7params = (MapgenV7Params *)m_emerge->params;
-
-			params.setNoiseParams("mgv7_np_terrain",  v7params->np_terrain);
-			params.setNoiseParams("mgv7_np_bgroup",   v7params->np_bgroup);
-			params.setNoiseParams("mgv7_np_heat",     v7params->np_heat);
-			params.setNoiseParams("mgv7_np_humidity", v7params->np_humidity);
-			break;
-		}
 		default:
 			; //complain here
 	}
diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 233fa9b99..e68394a19 100644
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -54,177 +54,8 @@ NoiseParams nparams_v6_def_biome =
 NoiseParams nparams_v6_def_cave =
 	{6.0, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50};
 
-/////////////////// Mapgen V7 perlin noise default values
-NoiseParams nparams_v7_def_terrain =
-	{10.0, 12.0, v3f(350., 350., 350.), 82341, 5, 0.6}; //terrain
-NoiseParams nparams_v7_def_bgroup =
-	{0.5, 1/(2*1.6), v3f(350., 350., 350.), 5923, 2, 0.60}; //0 to 1
-NoiseParams nparams_v7_def_heat =
-	{25.0, 50.0, v3f(500., 500., 500.), 35293, 1, 0.00}; //-25 to 75
-NoiseParams nparams_v7_def_humidity =
-	{50, 100/(2*1.6), v3f(750., 750., 750.), 12094, 2, 0.60}; //0 to 100
-
 
 ///////////////////////////////////////////////////////////////////////////////
-
-
-MapgenV7::MapgenV7(BiomeDefManager *biomedef, int mapgenid, MapgenV7Params *params) {
-	this->generating  = false;
-	this->id       = mapgenid;
-	this->biomedef = biomedef;
-	this->ndef     = biomedef->ndef;
-
-	this->seed        = (int)params->seed;
-	this->csize       = v3s16(1, 1, 1) * params->chunksize * MAP_BLOCKSIZE;
-	this->water_level = params->water_level;
-
-	noise_terrain  = new Noise(params->np_terrain,  seed, csize.X, csize.Y);
-	noise_bgroup   = new Noise(params->np_bgroup,   seed, csize.X, csize.Y);
-	noise_heat     = new Noise(params->np_heat,     seed, csize.X, csize.Y);
-	noise_humidity = new Noise(params->np_humidity, seed, csize.X, csize.Y);
-
-
-	n_air   = MapNode(ndef->getId("mapgen_air"));
-	n_water = MapNode(ndef->getId("mapgen_water_source"));
-	n_lava  = MapNode(ndef->getId("mapgen_lava_source"));
-}
-
-
-MapgenV7::~MapgenV7() {
-	delete noise_terrain;
-	delete noise_bgroup;
-	delete noise_heat;
-	delete noise_humidity;
-}
-
-
-void MapgenV7::makeChunk(BlockMakeData *data) {
-	if (data->no_op)
-		return;
-
-	assert(data->vmanip);
-	assert(data->nodedef);
-	assert(data->blockpos_requested.X >= data->blockpos_min.X &&
-		   data->blockpos_requested.Y >= data->blockpos_min.Y &&
-		   data->blockpos_requested.Z >= data->blockpos_min.Z);
-	assert(data->blockpos_requested.X <= data->blockpos_max.X &&
-		   data->blockpos_requested.Y <= data->blockpos_max.Y &&
-		   data->blockpos_requested.Z <= data->blockpos_max.Z);
-
-	this->generating = true;
-
-	this->data    = data;
-	this->vmanip  = data->vmanip;
-	v3s16 em = vmanip->m_area.getExtent();
-	this->ystride = em.X;
-	this->zstride = em.Y * em.X;
-
-	node_min = (data->blockpos_min) * MAP_BLOCKSIZE;
-	node_max = (data->blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
-	v3s16 full_node_min = (data->blockpos_min - 1) * MAP_BLOCKSIZE;
-	v3s16 full_node_max = (data->blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1,1,1);
-
-	int y1 = node_min.Y;
-	int y2 = node_max.Y;
-	int x  = node_min.X;
-	int z  = node_min.Z;
-
-	TimeTaker timer("Generating terrain");
-	map_terrain  = noise_terrain->perlinMap2D(x, z);
-	map_bgroup   = noise_bgroup->perlinMap2D(x, z);
-	map_heat     = noise_heat->perlinMap2D(x, z);
-	map_humidity = noise_humidity->perlinMap2D(x, z);
-
-	noise_bgroup->transformNoiseMap();
-	noise_heat->transformNoiseMap();
-	noise_humidity->transformNoiseMap();
-
-	int i = 0;
-	for (z = node_min.Z; z <= node_max.Z; z++) {
-		for (x = node_min.X; x <= node_max.X; x++) {
-			Biome *biome = biomedef->getBiome(map_bgroup[i], map_heat[i], map_humidity[i]);
-			biome->genColumn(this, x, z, y1, y2);
-			i++;
-		}
-	}
-	timer.stop();
-
-	//genCave();
-	//genDungeon();
-	//add blobs of dirt and gravel underground
-	//decorateChunk();
-	updateLiquid(full_node_min, full_node_max);
-	updateLighting(node_min, node_max);
-
-	this->generating = false;
-}
-
-
-void MapgenV7::updateLiquid(v3s16 nmin, v3s16 nmax) {
-	bool isliquid, wasliquid;
-	u32 i;
-
-	for (s16 z = nmin.Z; z <= nmax.Z; z++) {
-		for (s16 x = nmin.X; x <= nmax.X; x++) {
-			v2s16 p2d(x, z);
-			wasliquid = true;
-			v3s16 em  = vmanip->m_area.getExtent();
-			i = vmanip->m_area.index(v3s16(p2d.X, nmax.Y, p2d.Y));
-
-			for (s16 y = nmax.Y; y >= nmin.Y; y--) {
-				isliquid = ndef->get(vmanip->m_data[i]).isLiquid();
-				//there was a change between liquid and nonliquid, add to queue
-				if (isliquid != wasliquid)
-					data->transforming_liquid.push_back(v3s16(p2d.X, y, p2d.Y));
-
-				wasliquid = isliquid;
-				vmanip->m_area.add_y(em, i, -1);
-			}
-		}
-	}
-}
-
-
-void MapgenV7::updateLighting(v3s16 nmin, v3s16 nmax) {
-	enum LightBank banks[2] = {LIGHTBANK_DAY, LIGHTBANK_NIGHT};
-
-	VoxelArea a(nmin - v3s16(1,0,1) * MAP_BLOCKSIZE,
-				nmax + v3s16(1,0,1) * MAP_BLOCKSIZE);
-	bool block_is_underground = (water_level > nmax.Y);
-	bool sunlight = !block_is_underground;
-
-	ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
-	for (int i = 0; i < 2; i++) {
-		enum LightBank bank = banks[i];
-        core::map<v3s16, bool> light_sources;
-        core::map<v3s16, u8> unlight_from;
-
-		voxalgo::clearLightAndCollectSources(*vmanip, a, bank, ndef,
-                                        light_sources, unlight_from);
-		voxalgo::propagateSunlight(*vmanip, a, sunlight, light_sources, ndef);
-        //printf("light_sources: %d\t\tunlight_from: %d\n", light_sources.size(), unlight_from.size());
-		vmanip->unspreadLight(bank, unlight_from, light_sources, ndef);
-		vmanip->spreadLight(bank, light_sources, ndef);
-	}
-}
-
-
-Biome *MapgenV7::getBiomeAtPoint(v3s16 p) {
-	float bgroup   = NoisePerlin2D(noise_bgroup->np,   p.X, p.Y, seed);
-	float heat     = NoisePerlin2D(noise_heat->np,     p.X, p.Y, seed);
-	float humidity = NoisePerlin2D(noise_humidity->np, p.X, p.Y, seed);
-	return biomedef->getBiome(bgroup, heat, humidity);
-}
-
-
-//FIXME:  This assumes y == 0, that is, always in a non-hell/non-sky biome
-int MapgenV7::getGroundLevelAtPoint(v2s16 p) {
-	float terrain = NoisePerlin2D(noise_terrain->np, p.X, p.Y, seed);
-	Biome *biome = getBiomeAtPoint(v3s16(p.X, p.Y, 0));
-	return biome->getSurfaceHeight(terrain);
-}
-
-
 /////////////////////////////// Emerge Manager ////////////////////////////////
 
 
@@ -251,9 +82,6 @@ Mapgen *EmergeManager::getMapgen() {
 			case 6:
 				mapgen = new MapgenV6(0, (MapgenV6Params *)params);
 				break;
-			case 7:
-				mapgen = new MapgenV7(biomedef, 0, (MapgenV7Params *)params);
-				break;
 			default:
 				errorstream << "EmergeManager: Unsupported mapgen version "
 					<< params->mg_version << ", falling back to V6" << std::endl;
@@ -303,8 +131,6 @@ MapgenParams *MapgenParams::createMapgenParams(int mgver) {
 	switch (mgver) {
 		case 6:
 			return new MapgenV6Params();
-		case 7:
-			return new MapgenV7Params();
 		default: //instead of complaining, default to 6
 			return new MapgenV6Params();
 	}
@@ -347,23 +173,6 @@ MapgenParams *MapgenParams::getParamsFromSettings(Settings *settings) {
 
 			break;
 		}
-		case 7:
-		{
-			MapgenV7Params *v7params = (MapgenV7Params *)mgparams;
-
-			v7params->np_terrain  = settings->getNoiseParams("mgv7_np_terrain");
-			v7params->np_bgroup   = settings->getNoiseParams("mgv7_np_bgroup");
-			v7params->np_heat     = settings->getNoiseParams("mgv7_np_heat");
-			v7params->np_humidity = settings->getNoiseParams("mgv7_np_humidity");
-			
-			if (!v7params->np_terrain || !v7params->np_bgroup ||
-				!v7params->np_heat    || !v7params->np_humidity) {
-				delete mgparams;
-				return NULL;
-			}
-			
-			break;
-		}
 		default:
 			delete mgparams;
 			return NULL;
diff --git a/src/mapgen.h b/src/mapgen.h
index 68f6f61e2..34957d181 100644
--- a/src/mapgen.h
+++ b/src/mapgen.h
@@ -130,20 +130,6 @@ struct MapgenV6Params : public MapgenParams {
 	}
 };
 
-struct MapgenV7Params : public MapgenParams {
-	NoiseParams *np_terrain;
-	NoiseParams *np_bgroup;
-	NoiseParams *np_heat;
-	NoiseParams *np_humidity;
-
-	MapgenV7Params() {
-		np_terrain  = &nparams_v7_def_terrain;
-		np_bgroup   = &nparams_v7_def_bgroup;
-		np_heat     = &nparams_v7_def_heat;
-		np_humidity = &nparams_v7_def_humidity;
-	}
-};
-
 
 class Mapgen {
 public:
@@ -217,56 +203,6 @@ public:
 };
 
 
-class MapgenV7 : public Mapgen {
-public:
-	BlockMakeData *data;
-	ManualMapVoxelManipulator *vmanip;
-	INodeDefManager *ndef;
-	BiomeDefManager *biomedef;
-
-	int ystride;
-	int zstride;
-
-	v3s16 csize;
-
-	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;
-	u32 flags;
-
-	//should these be broken off into a "commonly used nodes" class?
-	MapNode n_air;
-	MapNode n_water;
-	MapNode n_lava;
-
-	MapgenV7(BiomeDefManager *biomedef, int mapgenid, MapgenV7Params *params);
-	~MapgenV7();
-
-	void makeChunk(BlockMakeData *data);
-	int getGroundLevelAtPoint(v2s16 p);
-
-	Biome *getBiomeAtPoint(v3s16 p);
-	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