fully working i guess

16 files changed, 356 insertions, 120 deletions

diff --git a/minetest.conf.example b/minetest.conf.example
index 92fe68b5f..264d77e5a 100644
--- a/minetest.conf.example
+++ b/minetest.conf.example
@@ -25,6 +25,7 @@
 #enable_fog = true
 #new_style_water = true
 #new_style_leaves = true
+#frametime_graph = false
 
 # Server side stuff
 
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index e3ecf55f9..de825ff0a 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -41,6 +41,7 @@ void set_default_settings()
 	g_settings.setDefault("enable_fog", "true");
 	g_settings.setDefault("new_style_water", "true");
 	g_settings.setDefault("new_style_leaves", "true");
+	g_settings.setDefault("frametime_graph", "false");
 	
 	g_settings.setDefault("free_move", "false");
 	g_settings.setDefault("continuous_forward", "false");
diff --git a/src/main.cpp b/src/main.cpp
index 105acedf7..c37a35cdb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -267,15 +267,6 @@ Doing now (most important at the top):
 # maybe done

 * not done

 

-=== Immediate stuff

-* Combine meshes to bigger ones in ClientMap and set them EHM_STATIC

-

-=== Making it more portable

-* MinGW: Switch away from swprintf; mingw has a bad version of it.

-  Use snprintf + narrow_to_wide or (w)ostringstream

-* Some MSVC: std::sto* are defined without a namespace and collide

-  with the ones in utility.h

-

 === Stuff to do before release

 * Save the new mapgen stuff

   - map/meta.txt, which should contain only plain text, something like this:

@@ -291,7 +282,15 @@ Doing now (most important at the top):
 * only_from_disk might not work anymore - check and fix it.

 * Check the fixmes in the list above

 

+=== Making it more portable

+* MinGW: Switch away from swprintf; mingw has a bad version of it.

+  Use snprintf + narrow_to_wide or (w)ostringstream

+* Some MSVC: std::sto* are defined without a namespace and collide

+  with the ones in utility.h

+

 === Stuff to do after release

+* Move digging property stuff from material.{h,cpp} to mapnode.cpp...

+  - Or maybe move content_features to material.{h,cpp}?

 * Add some kind of erosion and other stuff that now is possible

 * Make client to fetch stuff asynchronously

   - Needs method SyncProcessData

@@ -308,6 +307,7 @@ Doing now (most important at the top):
   is generated. Fix it.

 * Make a small history check to transformLiquids to detect and log

   continuous oscillations, in such detail that they can be fixed.

+* Combine meshes to bigger ones in ClientMap and set them EHM_STATIC

 

 ======================================================================

 

@@ -381,7 +381,7 @@ Doing now (most important at the top):
 IrrlichtWrapper *g_irrlicht = NULL;

 

 // This makes textures

-TextureSource *g_texturesource = NULL;

+ITextureSource *g_texturesource = NULL;

 

 MapDrawControl draw_control;

 

@@ -1659,7 +1659,8 @@ int main(int argc, char *argv[])
 	

 	g_device = device;

 	g_irrlicht = new IrrlichtWrapper(device);

-	g_texturesource = new TextureSource(device);

+	TextureSource *texturesource = new TextureSource(device);

+	g_texturesource = texturesource;

 

 	/*

 		Speed tests (done after irrlicht is loaded to get timer)

@@ -1722,7 +1723,7 @@ int main(int argc, char *argv[])
 

 	init_content_inventory_texture_paths();

 	init_mapnode(); // Second call with g_texturesource set

-	init_mineral(g_irrlicht);

+	init_mineral();

 

 	/*

 		GUI stuff

@@ -2084,7 +2085,7 @@ int main(int argc, char *argv[])
 		/*

 			Process TextureSource's queue

 		*/

-		g_texturesource->processQueue();

+		texturesource->processQueue();

 

 		/*

 			Random calculations

@@ -3006,6 +3007,7 @@ int main(int argc, char *argv[])
 		/*

 			Frametime log

 		*/

+		if(g_settings.getBool("frametime_graph") == true)

 		{

 			s32 x = 10;

 			for(core::list<float>::Iterator

diff --git a/src/main.h b/src/main.h
index 9978c537a..b951ab5b0 100644
--- a/src/main.h
+++ b/src/main.h
@@ -32,7 +32,7 @@ extern IrrlichtWrapper *g_irrlicht;
 
 // This makes and maps textures
 #include "tile.h"
-extern TextureSource *g_texturesource;
+extern ITextureSource *g_texturesource;
 
 // Debug streams
 
diff --git a/src/map.cpp b/src/map.cpp
index e4992618d..ba958d148 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1741,10 +1741,10 @@ ServerMap::ServerMap(std::string savedir):
 	//m_chunksize = 2;
 	
 	// TODO: Save to and load from a file
-	m_seed = (((u64)myrand()<<0)%0x7fff)
-			+ (((u64)myrand()<<16)%0x7fff)
-			+ (((u64)myrand()<<32)%0x7fff)
-			+ (((u64)myrand()<<48)%0x7fff);
+	m_seed = (((u64)(myrand()%0xffff)<<0)
+			+ ((u64)(myrand()%0xffff)<<16)
+			+ ((u64)(myrand()%0xffff)<<32)
+			+ ((u64)(myrand()%0xffff)<<48));
 
 	/*
 		Experimental and debug stuff
@@ -1774,16 +1774,24 @@ ServerMap::ServerMap(std::string savedir):
 			}
 			else
 			{
-				// Load master heightmap
-				loadMasterHeightmap();
+				// Load map metadata (seed, chunksize)
+				loadMapMeta();
 				
-				// Load sector (0,0) and throw and exception on fail
+				// Load chunk metadata
+				loadChunkMeta();
+			
+				/*// Load sector (0,0) and throw and exception on fail
 				if(loadSectorFull(v2s16(0,0)) == false)
-					throw LoadError("Failed to load sector (0,0)");
+					throw LoadError("Failed to load sector (0,0)");*/
 
-				dstream<<DTIME<<"Server: Successfully loaded master "
-						"heightmap and sector (0,0) from "<<savedir<<
+				/*dstream<<DTIME<<"Server: Successfully loaded chunk "
+						"metadata and sector (0,0) from "<<savedir<<
 						", assuming valid save directory."
+						<<std::endl;*/
+
+				dstream<<DTIME<<"INFO: Server: Successfully loaded map "
+						<<"and chunk metadata from "<<savedir
+						<<", assuming valid save directory."
 						<<std::endl;
 
 				m_map_saving_enabled = true;
@@ -1798,13 +1806,13 @@ ServerMap::ServerMap(std::string savedir):
 	}
 	catch(std::exception &e)
 	{
-		dstream<<DTIME<<"Server: Failed to load map from "<<savedir
+		dstream<<DTIME<<"WARNING: Server: Failed to load map from "<<savedir
 				<<", exception: "<<e.what()<<std::endl;
-		dstream<<DTIME<<"Please remove the map or fix it."<<std::endl;
-		dstream<<DTIME<<"WARNING: Map saving will be disabled."<<std::endl;
+		dstream<<"Please remove the map or fix it."<<std::endl;
+		dstream<<"WARNING: Map saving will be disabled."<<std::endl;
 	}
 
-	dstream<<DTIME<<"Initializing new map."<<std::endl;
+	dstream<<DTIME<<"INFO: Initializing new map."<<std::endl;
 	
 	// Create zero sector
 	emergeSector(v2s16(0,0));
@@ -2062,6 +2070,8 @@ double base_rock_level_2d(u64 seed, v2s16 p)
 	return h;
 }
 
+#define VMANIP_FLAG_DUNGEON VOXELFLAG_CHECKED1
+
 /*
 	This is the main map generation method
 */
@@ -2195,6 +2205,9 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 		vmanip.initialEmerge(bigarea_blocks_min, bigarea_blocks_max);
 	}
 
+	// Clear all flags
+	vmanip.clearFlag(0xff);
+
 	TimeTaker timer_generate("generateChunkRaw() generate");
 
 	// Maximum height of the stone surface and obstacles.
@@ -2414,7 +2427,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 	/*
 		Make dungeons
 	*/
-	u32 dungeons_count = relative_volume / 600000;
+	u32 dungeons_count = relative_volume / 400000;
 	u32 bruises_count = relative_volume * stone_surface_max_y / 40000000;
 	if(stone_surface_max_y < WATER_LEVEL)
 		bruises_count = 0;
@@ -2424,7 +2437,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 	{
 		s16 min_tunnel_diameter = 2;
 		s16 max_tunnel_diameter = 6;
-		u16 tunnel_routepoints = 15;
+		u16 tunnel_routepoints = 25;
 		
 		bool bruise_surface = (jj < bruises_count);
 
@@ -2464,14 +2477,14 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 		of -= v3s16(1,0,1) * more;
 		
 		s16 route_y_min = 0;
-		//s16 route_y_max = ar.Y-1;
-		s16 route_y_max = -of.Y + stone_surface_max_y + max_tunnel_diameter/2;
-		// If dungeons
+		// Allow half a diameter + 7 over stone surface
+		s16 route_y_max = -of.Y + stone_surface_max_y + max_tunnel_diameter/2 + 7;
+
+		/*// If dungeons, don't go through surface too often
 		if(bruise_surface == false)
-		{
-			// Don't go through surface too often
-			route_y_max -= myrand_range(0, max_tunnel_diameter*2);
-		}
+			route_y_max -= myrand_range(0, max_tunnel_diameter*2);*/
+
+		// Limit maximum to area
 		route_y_max = rangelim(route_y_max, 0, ar.Y-1);
 
 		if(bruise_surface)
@@ -2489,10 +2502,24 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 		/*dstream<<"route_y_min = "<<route_y_min
 				<<", route_y_max = "<<route_y_max<<std::endl;*/
 
+		s16 route_start_y_min = route_y_min;
+		s16 route_start_y_max = route_y_max;
+
+		// Start every 2nd dungeon from surface
+		bool coming_from_surface = (jj % 2 == 0 && bruise_surface == false);
+
+		if(coming_from_surface)
+		{
+			route_start_y_min = -of.Y + stone_surface_max_y + 5;
+		}
+		
+		route_start_y_min = rangelim(route_start_y_min, 0, ar.Y-1);
+		route_start_y_max = rangelim(route_start_y_max, 0, ar.Y-1);
+
 		// Randomize starting position
 		v3f orp(
 			(float)(myrand()%ar.X)+0.5,
-			(float)(myrand_range(route_y_min, route_y_max))+0.5,
+			(float)(myrand_range(route_start_y_min, route_start_y_max))+0.5,
 			(float)(myrand()%ar.Z)+0.5
 		);
 
@@ -2509,18 +2536,35 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 			s16 max_d = max_tunnel_diameter;
 			s16 rs = myrand_range(min_d, max_d);
 			
-			v3s16 maxlen(15, 5, 15);
-
+			v3s16 maxlen;
 			if(bruise_surface)
 			{
 				maxlen = v3s16(rs*7,rs*7,rs*7);
 			}
+			else
+			{
+				maxlen = v3s16(15, myrand_range(1, 20), 15);
+			}
+
+			v3f vec;
+			
+			if(coming_from_surface && j < 3)
+			{
+				vec = v3f(
+					(float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
+					(float)(myrand()%(maxlen.Y*1))-(float)maxlen.Y,
+					(float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
+				);
+			}
+			else
+			{
+				vec = v3f(
+					(float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
+					(float)(myrand()%(maxlen.Y*2))-(float)maxlen.Y,
+					(float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
+				);
+			}
 
-			v3f vec(
-				(float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
-				(float)(myrand()%(maxlen.Y*2))-(float)maxlen.Y,
-				(float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
-			);
 			v3f rp = orp + vec;
 			if(rp.X < 0)
 				rp.X = 0;
@@ -2553,7 +2597,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 						//s16 si2 = rs - MYMAX(0, maxabsxz-rs/4);
 						s16 si2 = rs - MYMAX(0, maxabsxz-rs/7);
 						//s16 si2 = rs - abs(x0);
-						for(s16 y0=-si2+1+1; y0<=si2-1; y0++)
+						for(s16 y0=-si2+1+2; y0<=si2-1; y0++)
 						{
 							s16 z = cp.Z + z0;
 							s16 y = cp.Y + y0;
@@ -2580,6 +2624,12 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 							// water afterwards
 							u32 i = vmanip.m_area.index(p);
 							vmanip.m_data[i] = airnode;
+
+							if(bruise_surface == false)
+							{
+								// Set tunnel flag
+								vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON;
+							}
 						}
 					}
 				}
@@ -3000,13 +3050,17 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 					break;
 				}
 				
-				n->d = CONTENT_WATERSOURCE;
-				n->setLight(LIGHTBANK_DAY, light);
+				// Make water only not in dungeons
+				if(!(vmanip.m_flags[i]&VMANIP_FLAG_DUNGEON))
+				{
+					n->d = CONTENT_WATERSOURCE;
+					//n->setLight(LIGHTBANK_DAY, light);
 
-				// Add to transforming liquid queue (in case it'd
-				// start flowing)
-				v3s16 p = v3s16(p2d.X, y, p2d.Y);
-				m_transforming_liquid.push_back(p);
+					// Add to transforming liquid queue (in case it'd
+					// start flowing)
+					v3s16 p = v3s16(p2d.X, y, p2d.Y);
+					m_transforming_liquid.push_back(p);
+				}
 				
 				// Next one
 				vmanip.m_area.add_y(em, i, -1);
@@ -3519,6 +3573,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 		//TimeTaker timer("generateChunkRaw() blitBackAll");
 		vmanip.blitBackAll(&changed_blocks);
 	}
+
 	/*
 		Update day/night difference cache of the MapBlocks
 	*/
@@ -3553,14 +3608,22 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
 	}
 
 	/*
-		Set central chunk non-volatile and return it
+		Set central chunk non-volatile
 	*/
 	MapChunk *chunk = getChunk(chunkpos);
 	assert(chunk);
 	// Set non-volatile
 	//chunk->setIsVolatile(false);
 	chunk->setGenLevel(GENERATED_FULLY);
-	// Return it
+	
+	/*
+		Save changed parts of map
+	*/
+	save(true);
+
+	/*
+		Return central chunk (which was requested)
+	*/
 	return chunk;
 }
 
@@ -4543,7 +4606,8 @@ void ServerMap::save(bool only_changed)
 		dstream<<DTIME<<"ServerMap: Saving whole map, this can take time."
 				<<std::endl;
 	
-	saveMasterHeightmap();
+	saveMapMeta();
+	saveChunkMeta();
 	
 	u32 sector_meta_count = 0;
 	u32 block_count = 0;
@@ -4601,8 +4665,9 @@ void ServerMap::loadAll()
 {
 	DSTACK(__FUNCTION_NAME);
 	dstream<<DTIME<<"ServerMap: Loading map..."<<std::endl;
-
-	loadMasterHeightmap();
+	
+	loadMapMeta();
+	loadChunkMeta();
 
 	std::vector<fs::DirListNode> list = fs::GetDirListing(m_savedir+"/sectors/");
 
@@ -4657,6 +4722,7 @@ void ServerMap::loadAll()
 	dstream<<DTIME<<"ServerMap: Map loaded."<<std::endl;
 }
 
+#if 0
 void ServerMap::saveMasterHeightmap()
 {
 	DSTACK(__FUNCTION_NAME);
@@ -4685,6 +4751,163 @@ void ServerMap::loadMasterHeightmap()
 	if(is.good() == false)
 		throw FileNotGoodException("Cannot open master heightmap");*/
 }
+#endif
+
+void ServerMap::saveMapMeta()
+{
+	DSTACK(__FUNCTION_NAME);
+	
+	dstream<<"INFO: ServerMap::saveMapMeta(): "
+			<<"seed="<<m_seed<<", chunksize="<<m_chunksize
+			<<std::endl;
+
+	createDir(m_savedir);
+	
+	std::string fullpath = m_savedir + "/meta.txt";
+	std::ofstream os(fullpath.c_str(), std::ios_base::binary);
+	if(os.good() == false)
+	{
+		dstream<<"ERROR: ServerMap::saveMapMeta(): "
+				<<"could not open"<<fullpath<<std::endl;
+		throw FileNotGoodException("Cannot open chunk metadata");
+	}
+	
+	Settings params;
+	params.setU64("seed", m_seed);
+	params.setS32("chunksize", m_chunksize);
+
+	params.writeLines(os);
+
+	os<<"[end_of_params]\n";
+	
+}
+
+void ServerMap::loadMapMeta()
+{
+	DSTACK(__FUNCTION_NAME);
+	
+	dstream<<"INFO: ServerMap::loadMapMeta(): Loading chunk metadata"
+			<<std::endl;
+
+	std::string fullpath = m_savedir + "/meta.txt";
+	std::ifstream is(fullpath.c_str(), std::ios_base::binary);
+	if(is.good() == false)
+	{
+		dstream<<"ERROR: ServerMap::loadMapMeta(): "
+				<<"could not open"<<fullpath<<std::endl;
+		throw FileNotGoodException("Cannot open chunk metadata");
+	}
+
+	Settings params;
+
+	for(;;)
+	{
+		if(is.eof())
+			throw SerializationError
+					("ServerMap::loadMapMeta(): [end_of_params] not found");
+		std::string line;
+		std::getline(is, line);
+		std::string trimmedline = trim(line);
+		if(trimmedline == "[end_of_params]")
+			break;
+		params.parseConfigLine(line);
+	}
+
+	m_seed = params.getU64("seed");
+	m_chunksize = params.getS32("chunksize");
+
+	dstream<<"INFO: ServerMap::loadMapMeta(): "
+			<<"seed="<<m_seed<<", chunksize="<<m_chunksize
+			<<std::endl;
+}
+
+void ServerMap::saveChunkMeta()
+{
+	DSTACK(__FUNCTION_NAME);
+	
+	u32 count = m_chunks.size();
+
+	dstream<<"INFO: ServerMap::saveChunkMeta(): Saving metadata of "
+			<<count<<" chunks"<<std::endl;
+
+	createDir(m_savedir);
+	
+	std::string fullpath = m_savedir + "/chunk_meta";
+	std::ofstream os(fullpath.c_str(), std::ios_base::binary);
+	if(os.good() == false)
+	{
+		dstream<<"ERROR: ServerMap::saveChunkMeta(): "
+				<<"could not open"<<fullpath<<std::endl;
+		throw FileNotGoodException("Cannot open chunk metadata");
+	}
+	
+	u8 version = 0;
+	
+	// Write version
+	os.write((char*)&version, 1);
+
+	u8 buf[4];
+	
+	// Write count
+	writeU32(buf, count);
+	os.write((char*)buf, 4);
+	
+	for(core::map<v2s16, MapChunk*>::Iterator
+			i = m_chunks.getIterator();
+			i.atEnd()==false; i++)
+	{
+		v2s16 p = i.getNode()->getKey();
+		MapChunk *chunk = i.getNode()->getValue();
+		// Write position
+		writeV2S16(buf, p);
+		os.write((char*)buf, 4);
+		// Write chunk data
+		chunk->serialize(os, version);
+	}
+}
+
+void ServerMap::loadChunkMeta()
+{
+	DSTACK(__FUNCTION_NAME);
+	
+	dstream<<"INFO: ServerMap::loadChunkMeta(): Loading chunk metadata"
+			<<std::endl;
+
+	std::string fullpath = m_savedir + "/chunk_meta";
+	std::ifstream is(fullpath.c_str(), std::ios_base::binary);
+	if(is.good() == false)
+	{
+		dstream<<"ERROR: ServerMap::loadChunkMeta(): "
+				<<"could not open"<<fullpath<<std::endl;
+		throw FileNotGoodException("Cannot open chunk metadata");
+	}
+
+	u8 version = 0;
+	
+	// Read version
+	is.read((char*)&version, 1);
+
+	u8 buf[4];
+	
+	// Read count
+	is.read((char*)buf, 4);
+	u32 count = readU32(buf);
+
+	dstream<<"INFO: ServerMap::loadChunkMeta(): Loading metadata of "
+			<<count<<" chunks"<<std::endl;
+	
+	for(u32 i=0; i<count; i++)
+	{
+		v2s16 p;
+		MapChunk *chunk = new MapChunk();
+		// Read position
+		is.read((char*)buf, 4);
+		p = readV2S16(buf);
+		// Read chunk data
+		chunk->deSerialize(is, version);
+		m_chunks.insert(p, chunk);
+	}
+}
 
 void ServerMap::saveSectorMeta(ServerMapSector *sector)
 {
diff --git a/src/map.h b/src/map.h
index d18278834..fb0555824 100644
--- a/src/map.h
+++ b/src/map.h
@@ -475,18 +475,13 @@ public:
 	void save(bool only_changed);
 	void loadAll();
 	
-	// TODO
+	// Saves map seed and possibly other stuff
 	void saveMapMeta();
 	void loadMapMeta();
 	
-	// TODO
 	void saveChunkMeta();
 	void loadChunkMeta();
 	
-	// DEPRECATED
-	void saveMasterHeightmap();
-	void loadMasterHeightmap();
-
 	// The sector mutex should be locked when calling most of these
 	
 	// This only saves sector-specific data such as the heightmap
diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index e0b8965b4..bff366add 100644
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -148,25 +148,6 @@ u8 MapBlock::getFaceLight(u32 daynight_ratio, MapNode n, MapNode n2,
 		v3s16 face_dir)
 {
 	try{
-		// DEBUG
-		/*{
-			if(n.d == CONTENT_WATER)
-			{
-				u8 l = n.param2*2;
-				if(l > LIGHT_MAX)
-					l = LIGHT_MAX;
-				return l;
-			}
-			if(n2.d == CONTENT_WATER)
-			{
-				u8 l = n2.param2*2;
-				if(l > LIGHT_MAX)
-					l = LIGHT_MAX;
-				return l;
-			}
-		}*/
-
-
 		u8 light;
 		u8 l1 = n.getLightBlend(daynight_ratio);
 		u8 l2 = n2.getLightBlend(daynight_ratio);
@@ -177,11 +158,13 @@ u8 MapBlock::getFaceLight(u32 daynight_ratio, MapNode n, MapNode n2,
 
 		// Make some nice difference to different sides
 
+		// This makes light come from a corner
 		/*if(face_dir.X == 1 || face_dir.Z == 1 || face_dir.Y == -1)
 			light = diminish_light(diminish_light(light));
 		else if(face_dir.X == -1 || face_dir.Z == -1)
 			light = diminish_light(light);*/
-
+		
+		// All neighboring faces have different shade (like in minecraft)
 		if(face_dir.X == 1 || face_dir.X == -1 || face_dir.Y == -1)
 			light = diminish_light(diminish_light(light));
 		else if(face_dir.Z == 1 || face_dir.Z == -1)
@@ -791,7 +774,7 @@ void MapBlock::updateMesh(u32 daynight_ratio)
 	// Flowing water material
 	video::SMaterial material_water1;
 	material_water1.setFlag(video::EMF_LIGHTING, false);
-	material_water1.setFlag(video::EMF_BACK_FACE_CULLING, false);
+	//material_water1.setFlag(video::EMF_BACK_FACE_CULLING, false);
 	material_water1.setFlag(video::EMF_BILINEAR_FILTER, false);
 	material_water1.setFlag(video::EMF_FOG_ENABLE, true);
 	material_water1.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
@@ -1040,9 +1023,9 @@ void MapBlock::updateMesh(u32 daynight_ratio)
 					video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,1),
 					video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,0),
 					video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,0),*/
-					video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
+					video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
 							pa_water1.x0(), pa_water1.y1()),
-					video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
+					video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
 							pa_water1.x1(), pa_water1.y1()),
 					video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
 							pa_water1.x1(), pa_water1.y0()),
@@ -1118,21 +1101,25 @@ void MapBlock::updateMesh(u32 daynight_ratio)
 					video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c, 1,1),
 					video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,0),
 					video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,0),*/
-					video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
+					video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
 							pa_water1.x0(), pa_water1.y1()),
-					video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
-							pa_water1.x1(), pa_water1.y1()),
 					video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
+							pa_water1.x1(), pa_water1.y1()),
+					video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
 							pa_water1.x1(), pa_water1.y0()),
-					video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
+					video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
 							pa_water1.x0(), pa_water1.y0()),
 				};
+				
+				// This fixes a strange bug
+				s32 corner_resolve[4] = {3,2,1,0};
 
 				for(s32 i=0; i<4; i++)
 				{
 					//vertices[i].Pos.Y += water_level;
 					//vertices[i].Pos.Y += neighbor_levels[v3s16(0,0,0)];
-					vertices[i].Pos.Y += corner_levels[i];
+					s32 j = corner_resolve[i];
+					vertices[i].Pos.Y += corner_levels[j];
 					vertices[i].Pos += intToFloat(p + getPosRelative());
 				}
 
diff --git a/src/mapchunk.h b/src/mapchunk.h
index 1f89b38a7..1819fa13e 100644
--- a/src/mapchunk.h
+++ b/src/mapchunk.h
@@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	some MapSectors. (something like 16x16)
 */
 
+// These should fit in 8 bits, as they are saved as such.
 enum{
 	GENERATED_FULLY = 0,
 	GENERATED_PARTLY = 10,
@@ -35,22 +36,11 @@ class MapChunk
 {
 public:
 	MapChunk():
-		//m_is_volatile(true)
 		m_generation_level(GENERATED_NOT)
 	{
 	}
 
 	/*
-		If is_volatile is true, chunk can be modified when
-		neighboring chunks are generated.
-
-		It is set to false when all the 8 neighboring chunks have
-		been generated.
-	*/
-	/*bool getIsVolatile(){ return m_is_volatile; }
-	void setIsVolatile(bool is){ m_is_volatile = is; }*/
-	
-	/*
 		Generation level. Possible values:
 		GENERATED_FULLY = 0 = fully generated
 		GENERATED_PARTLY = partly generated
@@ -59,9 +49,17 @@ public:
 	u16 getGenLevel(){ return m_generation_level; }
 	void setGenLevel(u16 lev){ m_generation_level = lev; }
 
+	void serialize(std::ostream &os, u8 version)
+	{
+		os.write((char*)&m_generation_level, 1);
+	}
+	void deSerialize(std::istream &is, u8 version)
+	{
+		is.read((char*)&m_generation_level, 1);
+	}
+
 private:
-	//bool m_is_volatile;
-	u16 m_generation_level;
+	u8 m_generation_level;
 };
 
 #endif
diff --git a/src/materials.cpp b/src/materials.cpp
index 00d212c63..f56b024b2 100644
--- a/src/materials.cpp
+++ b/src/materials.cpp
@@ -58,7 +58,7 @@ void initializeMaterialProperties()
 			DiggingProperties(true, 1.0, 0));
 	
 	g_material_properties[CONTENT_SAND].setDiggingProperties("",
-			DiggingProperties(true, 0.5, 0));
+			DiggingProperties(true, 0.4, 0));
 	
 	/*
 		Add MesePick to everything
diff --git a/src/mineral.cpp b/src/mineral.cpp
index 905f6497c..e61c25c1e 100644
--- a/src/mineral.cpp
+++ b/src/mineral.cpp
@@ -30,14 +30,12 @@ const char *mineral_filenames[MINERAL_COUNT] =
 //textureid_t mineral_textures[MINERAL_COUNT] = {0};
 std::string mineral_textures[MINERAL_COUNT];
 
-void init_mineral(IIrrlichtWrapper *irrlicht)
+void init_mineral()
 {
 	for(u32 i=0; i<MINERAL_COUNT; i++)
 	{
 		if(mineral_filenames[i] == NULL)
 			continue;
-		//mineral_textures[i] = irrlicht->getTextureId(mineral_filenames[i]);
-		//mineral_textures[i] = 0;
 		mineral_textures[i] = mineral_filenames[i];
 	}
 }
diff --git a/src/mineral.h b/src/mineral.h
index a181b89de..fcc1bd123 100644
--- a/src/mineral.h
+++ b/src/mineral.h
@@ -22,7 +22,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "inventory.h"
 #include "texture.h"
-#include "iirrlichtwrapper.h"
 
 /*
 	Minerals
@@ -32,7 +31,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 // Caches textures
-void init_mineral(IIrrlichtWrapper *irrlicht);
+void init_mineral();
 
 #define MINERAL_NONE 0
 #define MINERAL_COAL 1
diff --git a/src/servermain.cpp b/src/servermain.cpp
index 7ec397ace..1c301d4f5 100644
--- a/src/servermain.cpp
+++ b/src/servermain.cpp
@@ -79,6 +79,9 @@ Settings g_settings;
 
 extern void set_default_settings();
 
+// A dummy thing
+ITextureSource *g_texturesource = NULL;
+
 /*
 	Debug streams
 */
@@ -259,9 +262,8 @@ int main(int argc, char *argv[])
 
 	// Initialize stuff
 	
-	IIrrlichtWrapper irrlicht; // Dummy
-	init_mapnode(&irrlicht);
-	init_mineral(&irrlicht);
+	init_mapnode();
+	init_mineral();
 
 	/*
 		Check parameters
diff --git a/src/socket.h b/src/socket.h
index 10bcdefee..6b7a2462e 100644
--- a/src/socket.h
+++ b/src/socket.h
@@ -30,7 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	#include <winsock2.h>
 	#include <ws2tcpip.h>
 	#ifdef _MSC_VER
-		#pragma comment(lib, "wsock32.lib")
+		#pragma comment(lib, "ws2_32.lib")
 	#endif
 typedef SOCKET socket_t;
 typedef int socklen_t;
diff --git a/src/tile.h b/src/tile.h
index 2a342313d..1e339806f 100644
--- a/src/tile.h
+++ b/src/tile.h
@@ -104,9 +104,27 @@ struct SourceAtlasPointer
 };
 
 /*
+	Implementation (to be used as a no-op on the server)
+*/
+class ITextureSource
+{
+public:
+	ITextureSource(){}
+	virtual ~ITextureSource(){}
+	virtual u32 getTextureId(const std::string &name){return 0;}
+	virtual u32 getTextureIdDirect(const std::string &name){return 0;}
+	virtual std::string getTextureName(u32 id){return "";}
+	virtual AtlasPointer getTexture(u32 id){return AtlasPointer(0);}
+	virtual AtlasPointer getTexture(const std::string &name)
+		{return AtlasPointer(0);}
+	virtual video::ITexture* getTextureRaw(const std::string &name)
+		{return NULL;}
+};
+
+/*
 	Creates and caches textures.
 */
-class TextureSource
+class TextureSource : public ITextureSource
 {
 public:
 	TextureSource(IrrlichtDevice *device);
diff --git a/src/utility.h b/src/utility.h
index deaa78d90..9e47a5dac 100644
--- a/src/utility.h
+++ b/src/utility.h
@@ -1201,6 +1201,15 @@ public:
 		return value;
 	}
 
+	u64 getU64(std::string name)
+	{
+		u64 value = 0;
+		std::string s = get(name);
+		std::istringstream ss(s);
+		ss>>value;
+		return value;
+	}
+
 	void setS32(std::string name, s32 value)
 	{
 		set(name, itos(value));
@@ -1218,6 +1227,13 @@ public:
 		set(name, os.str());
 	}
 
+	void setU64(std::string name, u64 value)
+	{
+		std::ostringstream os;
+		os<<value;
+		set(name, os.str());
+	}
+
 	void clear()
 	{
 		m_settings.clear();
diff --git a/src/voxel.h b/src/voxel.h
index 0cffb16b5..c5aa48006 100644
--- a/src/voxel.h
+++ b/src/voxel.h
@@ -314,16 +314,12 @@ public:
 // Checked as being inexistent in source
 #define VOXELFLAG_INEXISTENT (1<<1)
 // Algorithm-dependent
-// flowWater: "visited"
-#define VOXELFLAG_CHECKED (1<<2)
+#define VOXELFLAG_CHECKED1 (1<<2)
 // Algorithm-dependent
-// getWaterPressure: "visited"
 #define VOXELFLAG_CHECKED2 (1<<3)
 // Algorithm-dependent
-// spreadWaterPressure: "visited"
 #define VOXELFLAG_CHECKED3 (1<<4)
 // Algorithm-dependent
-// water: "pressure check route node"
 #define VOXELFLAG_CHECKED4 (1<<5)
 
 enum VoxelPrintMode