Reworked texture, material, mineral and whatever handling

makepackage_binary.sh

@@ -39,7 +39,6 @@ cp -r data/torch.png $PACKAGEPATH/data/
 cp -r data/torch_on_floor.png $PACKAGEPATH/data/
 cp -r data/torch_on_ceiling.png $PACKAGEPATH/data/
 cp -r data/tree_top.png $PACKAGEPATH/data/
-#cp -r data/mud_with_grass.png $PACKAGEPATH/data/
 cp -r data/coalstone.png $PACKAGEPATH/data/
 cp -r data/crack.png $PACKAGEPATH/data/
 cp -r data/wood.png $PACKAGEPATH/data/
@@ -48,6 +47,11 @@ cp -r data/tool_wpick.png $PACKAGEPATH/data/
 cp -r data/tool_stpick.png $PACKAGEPATH/data/
 cp -r data/tool_mesepick.png $PACKAGEPATH/data/
 cp -r data/grass_side.png $PACKAGEPATH/data/
+cp -r data/lump_of_coal.png $PACKAGEPATH/data/
+cp -r data/lump_of_iron.png $PACKAGEPATH/data/
+cp -r data/mineral_coal.png $PACKAGEPATH/data/
+cp -r data/mineral_iron.png $PACKAGEPATH/data/
+cp -r data/sand.png $PACKAGEPATH/data/
 
 #cp -r data/pauseMenu.gui $PACKAGEPATH/data/
 

minetest.vcproj

@@ -137,7 +137,7 @@
 			<Tool
 				Name="VCLinkerTool"
 				AdditionalLibraryDirectories="&quot;C:\Program Files\Microsoft Platform SDK for Windows Server 2003 R2\Lib&quot;;&quot;..\irrlicht\irrlicht-1.7.1\lib\Win32-visualstudio&quot;;..\zlib125dll\dll32"
-				IgnoreDefaultLibraryNames="libcmtd.lib"
+				IgnoreDefaultLibraryNames="libcmtd.dll"
 				GenerateDebugInformation="false"
 				LinkTimeCodeGeneration="1"
 			/>

src/client.cpp

@@ -1273,6 +1273,7 @@ void Client::groundAction(u8 action, v3s16 nodepos_undersurface,
 		0: start digging
 		1: place block
 		2: stop digging (all parameters ignored)
+		3: digging completed
 	*/
 	u8 datasize = 2 + 1 + 6 + 6 + 2;
 	SharedBuffer<u8> data(datasize);

src/client.h

@@ -197,6 +197,40 @@ public:
 
 	//void updateSomeExpiredMeshes();
 	
+	void setTempMod(v3s16 p, NodeMod mod)
+	{
+		JMutexAutoLock envlock(m_env_mutex);
+		assert(m_env.getMap().mapType() == MAPTYPE_CLIENT);
+
+		core::map<v3s16, MapBlock*> affected_blocks;
+		((ClientMap&)m_env.getMap()).setTempMod(p, mod,
+				&affected_blocks);
+
+		for(core::map<v3s16, MapBlock*>::Iterator
+				i = affected_blocks.getIterator();
+				i.atEnd() == false; i++)
+		{
+			i.getNode()->getValue()->updateMesh(m_env.getDayNightRatio());
+		}
+	}
+	void clearTempMod(v3s16 p)
+	{
+		JMutexAutoLock envlock(m_env_mutex);
+		assert(m_env.getMap().mapType() == MAPTYPE_CLIENT);
+
+		core::map<v3s16, MapBlock*> affected_blocks;
+		((ClientMap&)m_env.getMap()).clearTempMod(p,
+				&affected_blocks);
+
+		for(core::map<v3s16, MapBlock*>::Iterator
+				i = affected_blocks.getIterator();
+				i.atEnd() == false; i++)
+		{
+			i.getNode()->getValue()->updateMesh(m_env.getDayNightRatio());
+		}
+	}
+
+#if 0
 	void setTempMod(v3s16 p, NodeMod mod)
 	{
 		JMutexAutoLock envlock(m_env_mutex);
@@ -215,6 +249,7 @@ public:
 		if(changed)
 			m_env.getMap().updateMeshes(blockpos, m_env.getDayNightRatio());
 	}
+#endif
 
 	float getAvgRtt()
 	{

src/inventory.h

@@ -122,12 +122,6 @@ public:
 #ifndef SERVER
 	video::ITexture * getImage()
 	{
-		/*if(m_content == CONTENT_TORCH)
-			return g_texturecache.get("torch_on_floor");
-
-		u16 tile = content_tile(m_content, v3s16(1,0,0));
-		return g_tile_contents[tile].getTexture(0);*/
-		
 		if(m_content >= USEFUL_CONTENT_COUNT)
 			return NULL;
 			
@@ -257,15 +251,18 @@ public:
 	video::ITexture * getImage()
 	{
 		std::string basename;
+
 		if(m_subname == "Stick")
-			basename = porting::getDataPath("stick.png").c_str();
+			basename = porting::getDataPath("stick.png");
-		// Default to cloud texture
+		else if(m_subname == "lump_of_coal")
+			basename = porting::getDataPath("lump_of_coal.png");
+		else if(m_subname == "lump_of_iron")
+			basename = porting::getDataPath("lump_of_iron.png");
 		else
-			basename = tile_texture_path_get(TILE_CLOUD);
+			basename = porting::getDataPath("cloud.png[[mod:crack3");
 		
 		// Get such a texture
 		return g_irrlicht->getTexture(basename);
-		//return g_irrlicht->getTexture(TextureSpec(finalname, basename, mod));
 	}
 #endif
 	std::string getText()
@@ -340,7 +337,8 @@ public:
 			basename = porting::getDataPath("tool_mesepick.png").c_str();
 		// Default to cloud texture
 		else
-			basename = tile_texture_path_get(TILE_CLOUD);
+			basename = porting::getDataPath("cloud.png").c_str();
+			//basename = tile_texture_path_get(TILE_CLOUD);
 		
 		/*
 			Calculate some progress value with sane amount of
@@ -350,6 +348,12 @@ public:
 		u32 toolprogress = (65535-m_wear)/(65535/maxprogress);
 		
 		// Make texture name for the new texture with a progress bar
+		float value_f = (float)toolprogress / (float)maxprogress;
+		std::ostringstream os;
+		os<<basename<<"[[mod:progressbar"<<value_f;
+		return g_irrlicht->getTexture(os.str());
+
+		/*// Make texture name for the new texture with a progress bar
 		std::ostringstream os;
 		os<<basename<<"-toolprogress-"<<toolprogress;
 		std::string finalname = os.str();
@@ -358,7 +362,7 @@ public:
 		
 		// Get such a texture
 		TextureMod *mod = new ProgressBarTextureMod(value_f);
-		return g_irrlicht->getTexture(TextureSpec(finalname, basename, mod));
+		return g_irrlicht->getTexture(TextureSpec(finalname, basename, mod));*/
 	}
 #endif
 	std::string getText()

src/irrlichtwrapper.cpp

@@ -1,5 +1,7 @@
 #include "irrlichtwrapper.h"
 #include "constants.h"
+#include "string.h"
+#include "strfnd.h"
 
 IrrlichtWrapper::IrrlichtWrapper(IrrlichtDevice *device)
 {
@@ -15,13 +17,13 @@ void IrrlichtWrapper::Run()
 	*/
 	if(m_get_texture_queue.size() > 0)
 	{
-		GetRequest<TextureSpec, video::ITexture*, u8, u8>
+		GetRequest<std::string, video::ITexture*, u8, u8>
 				request = m_get_texture_queue.pop();
 
-		dstream<<"got texture request with key.name="
+		dstream<<"got texture request with key="
-				<<request.key.name<<std::endl;
+				<<request.key<<std::endl;
 
-		GetResult<TextureSpec, video::ITexture*, u8, u8>
+		GetResult<std::string, video::ITexture*, u8, u8>
 				result;
 		result.key = request.key;
 		result.callers = request.callers;
@@ -31,38 +33,41 @@ void IrrlichtWrapper::Run()
 	}
 }
 
-video::ITexture* IrrlichtWrapper::getTexture(TextureSpec spec)
+video::ITexture* IrrlichtWrapper::getTexture(const std::string &spec)
 {
-	video::ITexture *t = m_texturecache.get(spec.name);
+	if(spec == "")
+		return NULL;
+	
+	video::ITexture *t = m_texturecache.get(spec);
 	if(t != NULL)
 		return t;
 	
 	if(get_current_thread_id() == m_main_thread)
 	{
-		dstream<<"Getting texture directly: name="
+		dstream<<"Getting texture directly: spec="
-				<<spec.name<<std::endl;
+				<<spec<<std::endl;
 				
 		t = getTextureDirect(spec);
 	}
 	else
 	{
 		// We're gonna ask the result to be put into here
-		ResultQueue<TextureSpec, video::ITexture*, u8, u8> result_queue;
+		ResultQueue<std::string, video::ITexture*, u8, u8> result_queue;
 		
 		// Throw a request in
 		m_get_texture_queue.add(spec, 0, 0, &result_queue);
 		
 		dstream<<"Waiting for texture from main thread: "
-				<<spec.name<<std::endl;
+				<<spec<<std::endl;
 		
 		try
 		{
 			// Wait result for a second
-			GetResult<TextureSpec, video::ITexture*, u8, u8>
+			GetResult<std::string, video::ITexture*, u8, u8>
 					result = result_queue.pop_front(1000);
 		
 			// Check that at least something worked OK
-			assert(result.key.name == spec.name);
+			assert(result.key == spec);
 
 			t = result.item;
 		}
@@ -74,44 +79,63 @@ video::ITexture* IrrlichtWrapper::getTexture(TextureSpec spec)
 	}
 
 	// Add to cache and return
-	m_texturecache.set(spec.name, t);
+	m_texturecache.set(spec, t);
 	return t;
 }
 
-video::ITexture* IrrlichtWrapper::getTexture(const std::string &path)
-{
-	return getTexture(TextureSpec(path, path, NULL));
-}
-
 /*
 	Non-thread-safe functions
 */
 
-video::ITexture* IrrlichtWrapper::getTextureDirect(TextureSpec spec)
+/*
-{
+	Texture modifier functions
-	video::IVideoDriver* driver = m_device->getVideoDriver();
+*/
 
-	if(spec.mod == NULL)
+// blitted_name = eg. "mineral_coal.png"
-	{
+video::ITexture * make_blitname(const std::string &blitted_name,
-		dstream<<"IrrlichtWrapper::getTextureDirect: Loading texture "
+		video::ITexture *original,
-				<<spec.path<<std::endl;
-		return driver->getTexture(spec.path.c_str());
-	}
-
-	dstream<<"IrrlichtWrapper::getTextureDirect: Loading and modifying "
-			"texture "<<spec.path<<" to make "<<spec.name<<std::endl;
-
-	video::ITexture *base = driver->getTexture(spec.path.c_str());
-	video::ITexture *result = spec.mod->make(base, spec.name.c_str(), driver);
-
-	delete spec.mod;
-	
-	return result;
-}
-
-video::ITexture * CrackTextureMod::make(video::ITexture *original,
 		const char *newname, video::IVideoDriver* driver)
 {
+	if(original == NULL)
+		return NULL;
+	
+	// Size of the base image
+	core::dimension2d<u32> dim(16, 16);
+	// Position to copy the blitted to in the base image
+	core::position2d<s32> pos_base(0, 0);
+	// Position to copy the blitted from in the blitted image
+	core::position2d<s32> pos_other(0, 0);
+
+	video::IImage *baseimage = driver->createImage(original, pos_base, dim);
+	assert(baseimage);
+
+	video::IImage *blittedimage = driver->createImageFromFile(porting::getDataPath(blitted_name.c_str()).c_str());
+	assert(blittedimage);
+	
+	// Then copy the right part of blittedimage to baseimage
+	
+	blittedimage->copyToWithAlpha(baseimage, v2s32(0,0),
+			core::rect<s32>(pos_other, dim),
+			video::SColor(255,255,255,255),
+			NULL);
+	
+	blittedimage->drop();
+
+	// Create texture from resulting image
+
+	video::ITexture *newtexture = driver->addTexture(newname, baseimage);
+
+	baseimage->drop();
+
+	return newtexture;
+}
+
+video::ITexture * make_crack(u16 progression, video::ITexture *original,
+		const char *newname, video::IVideoDriver* driver)
+{
+	if(original == NULL)
+		return NULL;
+	
 	// Size of the base image
 	core::dimension2d<u32> dim(16, 16);
 	// Size of the crack image
@@ -127,36 +151,6 @@ video::ITexture * CrackTextureMod::make(video::ITexture *original,
 	video::IImage *crackimage = driver->createImageFromFile(porting::getDataPath("crack.png").c_str());
 	assert(crackimage);
 	
-#if 0
-	video::ITexture *other = driver->getTexture(porting::getDataPath("crack.png").c_str());
-	
-	dstream<<__FUNCTION_NAME<<": crack texture size is "
-			<<other->getSize().Width<<"x"
-			<<other->getSize().Height<<std::endl;
-
-	// We have to get the whole texture because getting a smaller area
-	// messes the whole thing. It is probably a bug in Irrlicht.
-	// NOTE: This doesn't work probably because some systems scale
-	//       the image to fit a texture or something...
-	video::IImage *otherimage = driver->createImage(
-			other, core::position2d<s32>(0,0), other->getSize());
-
-	assert(otherimage);
-
-	// Now, the image might be 80 or 128 high depending on the computer
-	// Let's make an image of the right size and copy the possibly
-	// wrong sized one with scaling
-	// NOTE: This is an ugly hack.
-
-	video::IImage *crackimage = driver->createImage(
-			baseimage->getColorFormat(), dim_crack);
-	
-	assert(crackimage);
-	
-	otherimage->copyToScaling(crackimage);
-	otherimage->drop();
-#endif
-
 	// Then copy the right part of crackimage to baseimage
 	
 	crackimage->copyToWithAlpha(baseimage, v2s32(0,0),
@@ -175,9 +169,13 @@ video::ITexture * CrackTextureMod::make(video::ITexture *original,
 	return newtexture;
 }
 
-video::ITexture * SideGrassTextureMod::make(video::ITexture *original,
+#if 0
+video::ITexture * make_sidegrass(video::ITexture *original,
 		const char *newname, video::IVideoDriver* driver)
 {
+	if(original == NULL)
+		return NULL;
+	
 	// Size of the base image
 	core::dimension2d<u32> dim(16, 16);
 	// Position to copy the grass to in the base image
@@ -208,10 +206,14 @@ video::ITexture * SideGrassTextureMod::make(video::ITexture *original,
 
 	return newtexture;
 }
+#endif
 
-video::ITexture * ProgressBarTextureMod::make(video::ITexture *original,
+video::ITexture * make_progressbar(float value, video::ITexture *original,
 		const char *newname, video::IVideoDriver* driver)
 {
+	if(original == NULL)
+		return NULL;
+	
 	core::position2d<s32> pos_base(0, 0);
 	core::dimension2d<u32> dim = original->getOriginalSize();
 
@@ -251,3 +253,166 @@ video::ITexture * ProgressBarTextureMod::make(video::ITexture *original,
 	return newtexture;
 }
 
+/*
+	Texture fetcher/maker function, called always from the main thread
+*/
+
+video::ITexture* IrrlichtWrapper::getTextureDirect(const std::string &spec)
+{
+	if(spec == "")
+		return NULL;
+
+	video::IVideoDriver* driver = m_device->getVideoDriver();
+	
+	/*
+		Input (spec) is something like this:
+		"/usr/share/minetest/stone.png[[mod:mineral0[[mod:crack3"
+	*/
+	
+	video::ITexture* t = NULL;
+	std::string modmagic = "[[mod:";
+	Strfnd f(spec);
+	std::string path = f.next(modmagic);
+	t = driver->getTexture(path.c_str());
+	std::string texture_name = path;
+	while(f.atend() == false)
+	{
+		std::string mod = f.next(modmagic);
+		texture_name += modmagic + mod;
+		dstream<<"Making texture \""<<texture_name<<"\""<<std::endl;
+		/*if(mod == "sidegrass")
+		{
+			t = make_sidegrass(t, texture_name.c_str(), driver);
+		}
+		else*/
+		if(mod.substr(0, 9) == "blitname:")
+		{
+			//t = make_sidegrass(t, texture_name.c_str(), driver);
+			t = make_blitname(mod.substr(9), t, texture_name.c_str(), driver);
+		}
+		else if(mod.substr(0,5) == "crack")
+		{
+			u16 prog = stoi(mod.substr(5));
+			t = make_crack(prog, t, texture_name.c_str(), driver);
+		}
+		else if(mod.substr(0,11) == "progressbar")
+		{
+			float value = stof(mod.substr(11));
+			t = make_progressbar(value, t, texture_name.c_str(), driver);
+		}
+		else
+		{
+			dstream<<"Invalid texture mod: \""<<mod<<"\""<<std::endl;
+		}
+	}
+	return t;
+
+#if 0
+	video::ITexture* t = NULL;
+	const char *modmagic = "[[mod:";
+	const s32 modmagic_len = 6;
+	enum{
+		READMODE_PATH,
+		READMODE_MOD
+	} readmode = READMODE_PATH;
+	s32 specsize = spec.size()+1;
+	char *strcache = (char*)malloc(specsize);
+	assert(strcache);
+	char *path = NULL;
+	s32 length = 0;
+	// Next index of modmagic to be found
+	s32 modmagic_i = 0;
+	u32 i=0;
+	for(;;)
+	{
+		strcache[length++] = spec[i];
+		
+		bool got_modmagic = false;
+
+		/*
+			Check modmagic
+		*/
+		if(spec[i] == modmagic[modmagic_i])
+		{
+			modmagic_i++;
+			if(modmagic_i == modmagic_len)
+			{
+				got_modmagic = true;
+				modmagic_i = 0;
+				length -= modmagic_len;
+			}
+		}
+		else
+			modmagic_i = 0;
+		
+		// Set i to be the length of read string
+		i++;
+
+		if(got_modmagic || i >= spec.size())
+		{
+			strcache[length] = '\0';
+			// Now our string is in strcache, ending in \0
+			
+			if(readmode == READMODE_PATH)
+			{
+				// Get initial texture (strcache is path)
+				assert(t == NULL);
+				t = driver->getTexture(strcache);
+				readmode = READMODE_MOD;
+				path = strcache;
+				strcache = (char*)malloc(specsize);
+				assert(strcache);
+			}
+			else
+			{
+				dstream<<"Parsing mod \""<<strcache<<"\""<<std::endl;
+				// The name of the result of adding this mod.
+				// This doesn't have to be fast so std::string is used.
+				std::string name(path);
+				name += "[[mod:";
+				name += strcache;
+				dstream<<"Name of modded texture is \""<<name<<"\""
+						<<std::endl;
+				// Sidegrass
+				if(strcmp(strcache, "sidegrass") == 0)
+				{
+					t = make_sidegrass(t, name.c_str(), driver);
+				}
+				else
+				{
+					dstream<<"Invalid texture mod"<<std::endl;
+				}
+			}
+
+			length = 0;
+		}
+
+		if(i >= spec.size())
+			break;
+	}
+
+	/*if(spec.mod == NULL)
+	{
+		dstream<<"IrrlichtWrapper::getTextureDirect: Loading texture "
+				<<spec.path<<std::endl;
+		return driver->getTexture(spec.path.c_str());
+	}
+
+	dstream<<"IrrlichtWrapper::getTextureDirect: Loading and modifying "
+			"texture "<<spec.path<<" to make "<<spec.name<<std::endl;
+
+	video::ITexture *base = driver->getTexture(spec.path.c_str());
+	video::ITexture *result = spec.mod->make(base, spec.name.c_str(), driver);
+
+	delete spec.mod;*/
+	
+	if(strcache)
+		free(strcache);
+	if(path)
+		free(path);
+	
+	return t;
+#endif
+}
+
+

src/irrlichtwrapper.h

@@ -56,7 +56,7 @@ public:
 		m_textures[name] = texture;
 	}
 	
-	video::ITexture* get(std::string name)
+	video::ITexture* get(const std::string &name)
 	{
 		JMutexAutoLock lock(m_mutex);
 
@@ -74,86 +74,6 @@ private:
 	JMutex m_mutex;
 };
 
-struct TextureMod
-{
-	/*
-		Returns a new texture which can be based on the original.
-		Shall not modify or delete the original texture.
-	*/
-	virtual video::ITexture * make(video::ITexture *original,
-			const char *newname, video::IVideoDriver* driver) = 0;
-};
-
-struct CrackTextureMod: public TextureMod
-{
-	CrackTextureMod(u16 a_progression)
-	{
-		progression = a_progression;
-	}
-	
-	virtual video::ITexture * make(video::ITexture *original,
-			const char *newname, video::IVideoDriver* driver);
-	
-	u16 progression;
-};
-
-struct SideGrassTextureMod: public TextureMod
-{
-	SideGrassTextureMod()
-	{
-	}
-	
-	virtual video::ITexture * make(video::ITexture *original,
-			const char *newname, video::IVideoDriver* driver);
-};
-
-struct ProgressBarTextureMod: public TextureMod
-{
-	// value is from 0.0 to 1.0
-	ProgressBarTextureMod(float a_value)
-	{
-		value = a_value;
-	}
-	
-	virtual video::ITexture * make(video::ITexture *original,
-			const char *newname, video::IVideoDriver* driver);
-	
-	float value;
-};
-
-/*
-	A class for specifying a requested texture
-*/
-struct TextureSpec
-{
-	TextureSpec()
-	{
-		mod = NULL;
-	}
-	TextureSpec(const std::string &a_name, const std::string &a_path,
-			TextureMod *a_mod)
-	{
-		name = a_name;
-		path = a_path;
-		mod = a_mod;;
-	}
-	~TextureSpec()
-	{
-	}
-	bool operator==(const TextureSpec &other)
-	{
-		return name == other.name;
-	}
-	// An unique name for the texture. Usually the same as the path.
-	// Note that names and paths reside the same namespace.
-	std::string name;
-	// This is the path of the base texture
-	std::string path;
-	// Modification to do to the base texture
-	// NOTE: This is deleted by the one who processes the request
-	TextureMod *mod;
-};
-
 /*
 	A thread-safe wrapper for irrlicht, to be accessed from
 	background worker threads.
@@ -183,14 +103,17 @@ public:
 		return m_device->getTimer()->getRealTime();
 	}
 	
-	video::ITexture* getTexture(TextureSpec spec);
+    /*
-	video::ITexture* getTexture(const std::string &path);
+		Path can contain stuff like
+		"/usr/share/minetest/stone.png[[mod:mineral0[[mod:crack3"
+	*/
+	video::ITexture* getTexture(const std::string &spec);
 	
 private:
 	/*
 		Non-thread-safe variants of stuff, for internal use
 	*/
-	video::ITexture* getTextureDirect(TextureSpec spec);
+	video::ITexture* getTextureDirect(const std::string &spec);
 	
 	/*
 		Members
@@ -203,7 +126,7 @@ private:
 
 	TextureCache m_texturecache;
 	
-	RequestQueue<TextureSpec, video::ITexture*, u8, u8> m_get_texture_queue;
+	RequestQueue<std::string, video::ITexture*, u8, u8> m_get_texture_queue;
 };
 
 #endif

src/map.cpp

@@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "utility.h"
 #include "voxel.h"
 #include "porting.h"
+#include "mineral.h"
 
 /*
 	Map
@@ -627,9 +628,8 @@ void Map::updateLighting(enum LightBank bank,
 	//TimeTaker timer("updateLighting");
 	
 	// For debugging
-	bool debug=true;
+	//bool debug=true;
-
+	//u32 count_was = modified_blocks.size();
-	u32 count_was = modified_blocks.size();
 
 	core::map<v3s16, bool> light_sources;
 	
@@ -1835,9 +1835,18 @@ ServerMap::ServerMap(std::string savedir, HMParams hmp, MapParams mp):
 				randfactor = 0.5;
 			}*/
 			
+			if(myrand()%3 < 2)
+			{
+				baseheight = 10;
+				randmax = 30;
+				randfactor = 0.7;
+			}
+			else
+			{
 				baseheight = 0;
 				randmax = 15;
 				randfactor = 0.63;
+			}
 
 			list_baseheight->addPoint(p, Attribute(baseheight));
 			list_randmax->addPoint(p, Attribute(randmax));
@@ -2699,7 +2708,7 @@ continue_generating:
 					+ued*(y0*ued/MAP_BLOCKSIZE)
 					+(x0*ued/MAP_BLOCKSIZE)])
 			{
-				if(is_ground_content(n.d))
+				if(content_features(n.d).walkable/*is_ground_content(n.d)*/)
 				{
 					// Has now caves
 					has_dungeons = true;
@@ -2755,17 +2764,11 @@ continue_generating:
 				MapNode n;
 				n.d = CONTENT_MESE;
 				
-				//if(is_ground_content(block->getNode(cp).d))
+				for(u16 i=0; i<27; i++)
-				if(block->getNode(cp).d == CONTENT_STONE)
-					if(myrand()%8 == 0)
-						block->setNode(cp, n);
-
-				for(u16 i=0; i<26; i++)
 				{
-					//if(is_ground_content(block->getNode(cp+g_26dirs[i]).d))
+					if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE)
-					if(block->getNode(cp+g_26dirs[i]).d == CONTENT_STONE)
 						if(myrand()%8 == 0)
-							block->setNode(cp+g_26dirs[i], n);
+							block->setNode(cp+g_27dirs[i], n);
 				}
 			}
 		}
@@ -2790,21 +2793,47 @@ continue_generating:
 				);
 
 				MapNode n;
-				n.d = CONTENT_COALSTONE;
+				n.d = CONTENT_STONE;
+				n.param = MINERAL_COAL;
 
-				//dstream<<"Adding coalstone"<<std::endl;
+				for(u16 i=0; i<27; i++)
-				
-				//if(is_ground_content(block->getNode(cp).d))
-				if(block->getNode(cp).d == CONTENT_STONE)
-					if(myrand()%8 == 0)
-						block->setNode(cp, n);
-
-				for(u16 i=0; i<26; i++)
 				{
-					//if(is_ground_content(block->getNode(cp+g_26dirs[i]).d))
+					if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE)
-					if(block->getNode(cp+g_26dirs[i]).d == CONTENT_STONE)
 						if(myrand()%8 == 0)
-							block->setNode(cp+g_26dirs[i], n);
+							block->setNode(cp+g_27dirs[i], n);
+				}
+			}
+		}
+
+		/*
+			Add iron
+		*/
+		//TODO: change to iron_amount or whatever
+		u16 iron_amount = 30.0 * g_settings.getFloat("coal_amount");
+		u16 iron_rareness = 60 / iron_amount;
+		if(iron_rareness == 0)
+			iron_rareness = 1;
+		if(myrand()%iron_rareness == 0)
+		{
+			u16 a = myrand() % 16;
+			u16 amount = iron_amount * a*a*a / 1000;
+			for(s16 i=0; i<amount; i++)
+			{
+				v3s16 cp(
+					(myrand()%(MAP_BLOCKSIZE-2))+1,
+					(myrand()%(MAP_BLOCKSIZE-2))+1,
+					(myrand()%(MAP_BLOCKSIZE-2))+1
+				);
+
+				MapNode n;
+				n.d = CONTENT_STONE;
+				n.param = MINERAL_IRON;
+
+				for(u16 i=0; i<27; i++)
+				{
+					if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE)
+						if(myrand()%8 == 0)
+							block->setNode(cp+g_27dirs[i], n);
 				}
 			}
 		}
@@ -3012,26 +3041,23 @@ continue_generating:
 								<<std::endl;*/
 						{
 							v3s16 p2 = p + v3s16(x,y,z-2);
-							if(is_ground_content(sector->getNode(p2).d)
+							//if(is_ground_content(sector->getNode(p2).d))
-									&& !is_mineral(sector->getNode(p2).d))
+							if(content_features(sector->getNode(p2).d).walkable)
 								sector->setNode(p2, n);
 						}
 						{
 							v3s16 p2 = p + v3s16(x,y,z-1);
-							if(is_ground_content(sector->getNode(p2).d)
+							if(content_features(sector->getNode(p2).d).walkable)
-									&& !is_mineral(sector->getNode(p2).d))
 								sector->setNode(p2, n2);
 						}
 						{
 							v3s16 p2 = p + v3s16(x,y,z+0);
-							if(is_ground_content(sector->getNode(p2).d)
+							if(content_features(sector->getNode(p2).d).walkable)
-									&& !is_mineral(sector->getNode(p2).d))
 								sector->setNode(p2, n2);
 						}
 						{
 							v3s16 p2 = p + v3s16(x,y,z+1);
-							if(is_ground_content(sector->getNode(p2).d)
+							if(content_features(sector->getNode(p2).d).walkable)
-									&& !is_mineral(sector->getNode(p2).d))
 								sector->setNode(p2, n);
 						}
 
@@ -4027,8 +4053,10 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
 			<<", rendered "<<vertex_count<<" vertices."<<std::endl;*/
 }
 
-v3s16 ClientMap::setTempMod(v3s16 p, NodeMod mod, bool *changed)
+bool ClientMap::setTempMod(v3s16 p, NodeMod mod,
+		core::map<v3s16, MapBlock*> *affected_blocks)
 {
+	bool changed = false;
 	/*
 		Add it to all blocks touching it
 	*/
@@ -4053,14 +4081,29 @@ v3s16 ClientMap::setTempMod(v3s16 p, NodeMod mod, bool *changed)
 		v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
 		if(blockref->setTempMod(relpos, mod))
 		{
-			if(changed != NULL)
+			changed = true;
-				*changed = true;
 		}
 	}
-	return getNodeBlockPos(p);
+	if(changed && affected_blocks!=NULL)
-}
-v3s16 ClientMap::clearTempMod(v3s16 p, bool *changed)
 	{
+		for(u16 i=0; i<7; i++)
+		{
+			v3s16 p2 = p + dirs[i];
+			// Block position of neighbor (or requested) node
+			v3s16 blockpos = getNodeBlockPos(p2);
+			MapBlock * blockref = getBlockNoCreateNoEx(blockpos);
+			if(blockref == NULL)
+				continue;
+			affected_blocks->insert(blockpos, blockref);
+		}
+	}
+	return changed;
+}
+
+bool ClientMap::clearTempMod(v3s16 p,
+		core::map<v3s16, MapBlock*> *affected_blocks)
+{
+	bool changed = false;
 	v3s16 dirs[7] = {
 		v3s16(0,0,0), // this
 		v3s16(0,0,1), // back
@@ -4082,11 +4125,23 @@ v3s16 ClientMap::clearTempMod(v3s16 p, bool *changed)
 		v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
 		if(blockref->clearTempMod(relpos))
 		{
-			if(changed != NULL)
+			changed = true;
-				*changed = true;
 		}
 	}
-	return getNodeBlockPos(p);
+	if(changed && affected_blocks!=NULL)
+	{
+		for(u16 i=0; i<7; i++)
+		{
+			v3s16 p2 = p + dirs[i];
+			// Block position of neighbor (or requested) node
+			v3s16 blockpos = getNodeBlockPos(p2);
+			MapBlock * blockref = getBlockNoCreateNoEx(blockpos);
+			if(blockref == NULL)
+				continue;
+			affected_blocks->insert(blockpos, blockref);
+		}
+	}
+	return changed;
 }
 
 void ClientMap::PrintInfo(std::ostream &out)
@@ -4216,7 +4271,7 @@ void MapVoxelManipulator::emerge(VoxelArea a, s32 caller_id)
 
 
 /*
-	TODO: Add an option to only update eg. water and air nodes.
+	SUGG: Add an option to only update eg. water and air nodes.
 	      This will make it interfere less with important stuff if
 		  run on background.
 */

src/map.h

@@ -204,10 +204,13 @@ public:
 	void expireMeshes(bool only_daynight_diffed);
 	
 	/*
-		Updates the faces of the given block and blocks on the
+		Update the faces of the given block and blocks on the
 		leading edge.
 	*/
 	void updateMeshes(v3s16 blockpos, u32 daynight_ratio);
+	
+	// Update meshes that touch the node
+	//void updateNodeMeshes(v3s16 nodepos, u32 daynight_ratio);
 #endif
 
 	/*
@@ -483,10 +486,16 @@ public:
 	/*
 		Methods for setting temporary modifications to nodes for
 		drawing.
-		Return value is position of changed block.
+
+		Returns true if something changed.
+		
+		All blocks whose mesh could have been changed are inserted
+		to affected_blocks.
 	*/
-	v3s16 setTempMod(v3s16 p, NodeMod mod, bool *changed=NULL);
+	bool setTempMod(v3s16 p, NodeMod mod,
-	v3s16 clearTempMod(v3s16 p, bool *changed=NULL);
+			core::map<v3s16, MapBlock*> *affected_blocks=NULL);
+	bool clearTempMod(v3s16 p,
+			core::map<v3s16, MapBlock*> *affected_blocks=NULL);
 	// Efficient implementation needs a cache of TempMods
 	//void clearTempMods();
 

src/mapblock.cpp

@@ -264,12 +264,10 @@ void MapBlock::makeFastFace(TileSpec tile, u8 light, v3f p,
 	//u8 li = decode_light(light);
 	u8 li = light;
 
-	u8 alpha = 255;
+	u8 alpha = tile.alpha;
-
+	/*u8 alpha = 255;
 	if(tile.id == TILE_WATER)
-	{
+		alpha = WATER_ALPHA;*/
-		alpha = WATER_ALPHA;
-	}
 
 	video::SColor c = video::SColor(alpha,li,li,li);
 
@@ -297,16 +295,7 @@ void MapBlock::makeFastFace(TileSpec tile, u8 light, v3f p,
 TileSpec MapBlock::getNodeTile(MapNode mn, v3s16 p, v3s16 face_dir)
 {
 	TileSpec spec;
-
+	spec = mn.getTile(face_dir);
-	/*//DEBUG
-	{
-		spec.id = TILE_STONE;
-		return spec;
-	}*/
-
-	spec.feature = TILEFEAT_NONE;
-	//spec.id = TILE_STONE;
-	spec.id = mn.getTile(face_dir);
 	
 	/*
 		Check temporary modifications on this node
@@ -320,12 +309,15 @@ TileSpec MapBlock::getNodeTile(MapNode mn, v3s16 p, v3s16 face_dir)
 		struct NodeMod mod = n->getValue();
 		if(mod.type == NODEMOD_CHANGECONTENT)
 		{
-			spec.id = content_tile(mod.param, face_dir);
+			//spec = content_tile(mod.param, face_dir);
+			MapNode mn2(mod.param);
+			spec = mn2.getTile(face_dir);
 		}
 		if(mod.type == NODEMOD_CRACK)
 		{
-			spec.feature = TILEFEAT_CRACK;
+			std::ostringstream os;
-			spec.param.crack.progression = mod.param;
+			os<<"[[mod:crack"<<mod.param;
+			spec.name += os.str();
 		}
 	}
 	
@@ -676,36 +668,19 @@ void MapBlock::updateMesh(u32 daynight_ratio)
 
 			const u16 indices[] = {0,1,2,2,3,0};
 
-			if(f.tile.feature == TILEFEAT_NONE)
+			video::ITexture *texture = g_irrlicht->getTexture(f.tile.name);
-			{
+			video::SMaterial material;
-				collector.append(tile_material_get(f.tile.id), f.vertices, 4,
+			material.Lighting = false;
-						indices, 6);
+			material.BackfaceCulling = false;
-			}
+			material.setFlag(video::EMF_BILINEAR_FILTER, false);
-			else if(f.tile.feature == TILEFEAT_CRACK)
+			material.setFlag(video::EMF_ANTI_ALIASING, video::EAAM_OFF);
-			{
+			material.setFlag(video::EMF_FOG_ENABLE, true);
-				const char *path = tile_texture_path_get(f.tile.id);
-
-				u16 progression = f.tile.param.crack.progression;
-
-				std::string name = (std::string)path + "_cracked_"
-						+ (char)('0' + progression);
-
-				TextureMod *mod = new CrackTextureMod(progression);
-
-				video::ITexture *texture = g_irrlicht->getTexture(
-						TextureSpec(name, path, mod));
-
-				video::SMaterial material = tile_material_get(f.tile.id);
 			material.setTexture(0, texture);
+			if(f.tile.alpha != 255)
+				material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
 			
 			collector.append(material, f.vertices, 4, indices, 6);
 		}
-			else
-			{
-				// No such feature
-				assert(0);
-			}
-		}
 	}
 
 	/*
@@ -1427,7 +1402,8 @@ s16 MapBlock::getGroundLevel(v2s16 p2d)
 		s16 y = MAP_BLOCKSIZE-1;
 		for(; y>=0; y--)
 		{
-			if(is_ground_content(getNodeRef(p2d.X, y, p2d.Y).d))
+			//if(is_ground_content(getNodeRef(p2d.X, y, p2d.Y).d))
+			if(content_features(getNodeRef(p2d.X, y, p2d.Y).d).walkable)
 			{
 				if(y == MAP_BLOCKSIZE-1)
 					return -2;

src/mapnode.cpp

@@ -21,61 +21,197 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "tile.h"
 #include "porting.h"
 #include <string>
+#include "mineral.h"
 
-/*
+ContentFeatures::~ContentFeatures()
-	Face directions:
-		0: up
-		1: down
-		2: right
-		3: left
-		4: back
-		5: front
-*/
-u16 g_content_tiles[USEFUL_CONTENT_COUNT][6] =
 {
-	{TILE_STONE,TILE_STONE,TILE_STONE,TILE_STONE,TILE_STONE,TILE_STONE},
+	if(translate_to)
-	{TILE_GRASS,TILE_MUD,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS},
+		delete translate_to;
-	//{TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER},
+}
-	{TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE},
-	{TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE,TILE_NONE},
-	{TILE_TREE_TOP,TILE_TREE_TOP,TILE_TREE,TILE_TREE,TILE_TREE,TILE_TREE},
-	{TILE_LEAVES,TILE_LEAVES,TILE_LEAVES,TILE_LEAVES,TILE_LEAVES,TILE_LEAVES},
-	{TILE_GRASS_FOOTSTEPS,TILE_MUD,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS,TILE_MUD_WITH_GRASS},
-	{TILE_MESE,TILE_MESE,TILE_MESE,TILE_MESE,TILE_MESE,TILE_MESE},
-	{TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD},
-	{TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER}, // ocean
-	{TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD},
-	{TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE},
-	{TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD},
-};
 
-std::string g_content_inventory_texture_strings[USEFUL_CONTENT_COUNT];
+struct ContentFeatures g_content_features[256];
-// Pointers to c_str()s of the above
+
+void init_mapnode()
+{
+	u8 i;
+	ContentFeatures *f = NULL;
+
+	i = CONTENT_STONE;
+	f = &g_content_features[i];
+	f->setAllTextures("stone.png");
+	f->param_type = CPT_MINERAL;
+	f->is_ground_content = true;
+	
+	i = CONTENT_GRASS;
+	f = &g_content_features[i];
+	//f->setAllTextures("mud.png[[mod:sidegrass");
+	f->setAllTextures("mud.png[[mod:blitname:grass_side.png");
+	f->setTexture(0, "grass.png");
+	f->setTexture(1, "mud.png");
+	f->setInventoryImage("grass.png");
+	f->param_type = CPT_MINERAL;
+	f->is_ground_content = true;
+	
+	i = CONTENT_GRASS_FOOTSTEPS;
+	f = &g_content_features[i];
+	//f->setAllTextures("mud.png[[mod:sidegrass");
+	f->setAllTextures("mud.png[[mod:blitname:grass_side.png");
+	f->setTexture(0, "grass_footsteps.png");
+	f->setTexture(1, "mud.png");
+	f->setInventoryImage("grass_footsteps.png");
+	f->param_type = CPT_MINERAL;
+	f->is_ground_content = true;
+	
+	i = CONTENT_MUD;
+	f = &g_content_features[i];
+	f->setAllTextures("mud.png");
+	f->param_type = CPT_MINERAL;
+	f->is_ground_content = true;
+	
+	i = CONTENT_SAND;
+	f = &g_content_features[i];
+	f->setAllTextures("mud.png");
+	f->param_type = CPT_MINERAL;
+	f->is_ground_content = true;
+	
+	i = CONTENT_TREE;
+	f = &g_content_features[i];
+	f->setAllTextures("tree.png");
+	f->param_type = CPT_MINERAL;
+	f->is_ground_content = true;
+	
+	i = CONTENT_LEAVES;
+	f = &g_content_features[i];
+	f->setAllTextures("leaves.png");
+	f->param_type = CPT_MINERAL;
+	f->is_ground_content = true;
+	
+	i = CONTENT_COALSTONE;
+	f = &g_content_features[i];
+	f->translate_to = new MapNode(CONTENT_STONE, MINERAL_COAL);
+	/*f->setAllTextures("coalstone.png");
+	f->is_ground_content = true;*/
+	
+	i = CONTENT_WOOD;
+	f = &g_content_features[i];
+	f->setAllTextures("wood.png");
+	f->is_ground_content = true;
+	
+	i = CONTENT_MESE;
+	f = &g_content_features[i];
+	f->setAllTextures("mese.png");
+	f->is_ground_content = true;
+	
+	i = CONTENT_CLOUD;
+	f = &g_content_features[i];
+	f->setAllTextures("cloud.png");
+	f->is_ground_content = true;
+	
+	i = CONTENT_AIR;
+	f = &g_content_features[i];
+	f->param_type = CPT_LIGHT;
+	f->light_propagates = true;
+	f->sunlight_propagates = true;
+	f->solidness = 0;
+	f->walkable = false;
+	f->pointable = false;
+	f->diggable = false;
+	f->buildable_to = true;
+	
+	i = CONTENT_WATER;
+	f = &g_content_features[i];
+	f->setInventoryImage("water.png");
+	f->param_type = CPT_LIGHT;
+	f->light_propagates = true;
+	f->solidness = 0; // Drawn separately, makes no faces
+	f->walkable = false;
+	f->pointable = false;
+	f->diggable = false;
+	f->buildable_to = true;
+	f->liquid_type = LIQUID_FLOWING;
+	
+	i = CONTENT_WATERSOURCE;
+	f = &g_content_features[i];
+	f->setTexture(0, "water.png", WATER_ALPHA);
+	f->setInventoryImage("water.png");
+	f->param_type = CPT_LIGHT;
+	f->light_propagates = true;
+	f->solidness = 1;
+	f->walkable = false;
+	f->pointable = false;
+	f->diggable = false;
+	f->buildable_to = true;
+	f->liquid_type = LIQUID_SOURCE;
+	
+	i = CONTENT_TORCH;
+	f = &g_content_features[i];
+	f->setInventoryImage("torch_on_floor.png");
+	f->param_type = CPT_LIGHT;
+	f->light_propagates = true;
+	f->solidness = 0; // drawn separately, makes no faces
+	f->walkable = false;
+	f->wall_mounted = true;
+	
+}
+
+TileSpec MapNode::getTile(v3s16 dir)
+{
+	TileSpec spec;
+	
+	s32 dir_i = -1;
+	
+	if(dir == v3s16(0,1,0))
+		dir_i = 0;
+	else if(dir == v3s16(0,-1,0))
+		dir_i = 1;
+	else if(dir == v3s16(1,0,0))
+		dir_i = 2;
+	else if(dir == v3s16(-1,0,0))
+		dir_i = 3;
+	else if(dir == v3s16(0,0,1))
+		dir_i = 4;
+	else if(dir == v3s16(0,0,-1))
+		dir_i = 5;
+	
+	if(dir_i == -1)
+		// Non-directional
+		spec = content_features(d).tiles[0];
+	else 
+		spec = content_features(d).tiles[dir_i];
+	
+	if(content_features(d).param_type == CPT_MINERAL)
+	{
+		u8 mineral = param & 0x1f;
+		const char *ts = mineral_block_texture(mineral);
+		if(ts[0] != 0)
+		{
+			spec.name += "[[mod:blitname:";
+			spec.name += ts;
+		}
+	}
+
+	return spec;
+}
+
+u8 MapNode::getMineral()
+{
+	if(content_features(d).param_type == CPT_MINERAL)
+	{
+		return param & 0x1f;
+	}
+
+	return MINERAL_NONE;
+}
+
+// Pointers to c_str()s g_content_features[i].inventory_image_path
 const char * g_content_inventory_texture_paths[USEFUL_CONTENT_COUNT] = {0};
 
-const char * g_content_inventory_texture_paths_base[USEFUL_CONTENT_COUNT] =
-{
-	"stone.png",
-	"grass.png",
-	"water.png",
-	"torch_on_floor.png",
-	"tree_top.png",
-	"leaves.png",
-	"grass_footsteps.png",
-	"mese.png",
-	"mud.png",
-	"water.png", //ocean
-	"cloud.png",
-	"coalstone.png",
-	"wood.png",
-};
-
 void init_content_inventory_texture_paths()
 {
 	for(u16 i=0; i<USEFUL_CONTENT_COUNT; i++)
 	{
-		g_content_inventory_texture_strings[i] = porting::getDataPath(g_content_inventory_texture_paths_base[i]);
+		g_content_inventory_texture_paths[i] =
-		g_content_inventory_texture_paths[i] = g_content_inventory_texture_strings[i].c_str();
+				g_content_features[i].inventory_image_path.c_str();
 	}
 }
 

src/mapnode.h

@@ -28,6 +28,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "serialization.h"
 #include "tile.h"
 
+// Initializes all kind of stuff in here.
+// Doesn't depend on anything else.
+// Many things depend on this.
+void init_mapnode();
+
+// Initializes g_content_inventory_texture_paths
+void init_content_inventory_texture_paths();
+
+
+// NOTE: This is not used appropriately everywhere.
 #define MATERIALS_COUNT 256
 
 /*
@@ -69,33 +79,143 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define CONTENT_MESE 7
 #define CONTENT_MUD 8
 #define CONTENT_WATERSOURCE 9
+// Pretty much useless, clouds won't be drawn this way
 #define CONTENT_CLOUD 10
 #define CONTENT_COALSTONE 11
 #define CONTENT_WOOD 12
+#define CONTENT_SAND 13
 
-#define USEFUL_CONTENT_COUNT 13
+/*
+	This is used by all kinds of things to allocate memory for all
+	contents except CONTENT_AIR and CONTENT_IGNORE
+*/
+#define USEFUL_CONTENT_COUNT 14
+
+/*
+	Content feature list
+*/
+
+enum ContentParamType
+{
+	CPT_NONE,
+	CPT_LIGHT,
+	CPT_MINERAL
+};
+
+enum LiquidType
+{
+	LIQUID_NONE,
+	LIQUID_FLOWING,
+	LIQUID_SOURCE
+};
+
+class MapNode;
+
+struct ContentFeatures
+{
+	// If non-NULL, content is translated to this when deserialized
+	MapNode *translate_to;
+
+	// Type of MapNode::param
+	ContentParamType param_type;
+
+	/*
+		0: up
+		1: down
+		2: right
+		3: left
+		4: back
+		5: front
+	*/
+	TileSpec tiles[6];
+
+	std::string inventory_image_path;
+
+	bool is_ground_content; //TODO: Remove, use walkable instead
+	bool light_propagates;
+	bool sunlight_propagates;
+	u8 solidness; // Used when choosing which face is drawn
+	bool walkable;
+	bool pointable;
+	bool diggable;
+	bool buildable_to;
+	enum LiquidType liquid_type;
+	bool wall_mounted; // If true, param2 is set to direction when placed
+
+	//TODO: Move more properties here
+
+	ContentFeatures()
+	{
+		translate_to = NULL;
+		param_type = CPT_NONE;
+		is_ground_content = false;
+		light_propagates = false;
+		sunlight_propagates = false;
+		solidness = 2;
+		walkable = true;
+		pointable = true;
+		diggable = true;
+		buildable_to = false;
+		liquid_type = LIQUID_NONE;
+		wall_mounted = false;
+	}
+
+	~ContentFeatures();
+	
+	void setAllTextures(std::string imgname, u8 alpha=255)
+	{
+		for(u16 i=0; i<6; i++)
+		{
+			tiles[i].name = porting::getDataPath(imgname.c_str());
+			tiles[i].alpha = alpha;
+		}
+		
+		// Set this too so it can be left as is most times
+		if(inventory_image_path == "")
+			inventory_image_path = porting::getDataPath(imgname.c_str());
+	}
+	void setTexture(u16 i, std::string imgname, u8 alpha=255)
+	{
+		tiles[i].name = porting::getDataPath(imgname.c_str());
+		tiles[i].alpha = alpha;
+	}
+
+	void setInventoryImage(std::string imgname)
+	{
+		inventory_image_path = porting::getDataPath(imgname.c_str());
+	}
+};
+
+// Initialized by init_mapnode()
+extern struct ContentFeatures g_content_features[256];
+
+inline ContentFeatures & content_features(u8 i)
+{
+	return g_content_features[i];
+}
 
-extern u16 g_content_tiles[USEFUL_CONTENT_COUNT][6];
 extern const char * g_content_inventory_texture_paths[USEFUL_CONTENT_COUNT];
-// Initializes g_content_inventory_texture_paths
-void init_content_inventory_texture_paths();
 
 /*
 	If true, the material allows light propagation and brightness is stored
 	in param.
+	NOTE: Don't use, use "content_features(m).whatever" instead
 */
 inline bool light_propagates_content(u8 m)
 {
-	return (m == CONTENT_AIR || m == CONTENT_TORCH || m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
+	return g_content_features[m].light_propagates;
+	//return (m == CONTENT_AIR || m == CONTENT_TORCH || m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
 }
 
 /*
 	If true, the material allows lossless sunlight propagation.
 	NOTE: It doesn't seem to go through torches regardlessly of this
+	NOTE: Don't use, use "content_features(m).whatever" instead
 */
 inline bool sunlight_propagates_content(u8 m)
 {
-	return (m == CONTENT_AIR || m == CONTENT_TORCH);
+	return g_content_features[m].sunlight_propagates;
+	//return (m == CONTENT_AIR || m == CONTENT_TORCH);
 }
 
 /*
@@ -104,36 +224,46 @@ inline bool sunlight_propagates_content(u8 m)
 	0: Invisible
 	1: Transparent
 	2: Opaque
+	NOTE: Don't use, use "content_features(m).whatever" instead
 */
 inline u8 content_solidness(u8 m)
 {
-	// As of now, every pseudo node like torches are added to this
+	return g_content_features[m].solidness;
+	/*// As of now, every pseudo node like torches are added to this
 	if(m == CONTENT_AIR || m == CONTENT_TORCH || m == CONTENT_WATER)
 		return 0;
 	if(m == CONTENT_WATER || m == CONTENT_WATERSOURCE)
 		return 1;
-	return 2;
+	return 2;*/
 }
 
 // Objects collide with walkable contents
+// NOTE: Don't use, use "content_features(m).whatever" instead
 inline bool content_walkable(u8 m)
 {
-	return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE && m != CONTENT_TORCH);
+	return g_content_features[m].walkable;
+	//return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE && m != CONTENT_TORCH);
 }
 
+// NOTE: Don't use, use "content_features(m).whatever" instead
 inline bool content_liquid(u8 m)
 {
-	return (m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
+	return g_content_features[m].liquid_type != LIQUID_NONE;
+	//return (m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
 }
 
+// NOTE: Don't use, use "content_features(m).whatever" instead
 inline bool content_flowing_liquid(u8 m)
 {
-	return (m == CONTENT_WATER);
+	return g_content_features[m].liquid_type == LIQUID_FLOWING;
+	//return (m == CONTENT_WATER);
 }
 
+// NOTE: Don't use, use "content_features(m).whatever" instead
 inline bool content_liquid_source(u8 m)
 {
-	return (m == CONTENT_WATERSOURCE);
+	return g_content_features[m].liquid_type == LIQUID_SOURCE;
+	//return (m == CONTENT_WATERSOURCE);
 }
 
 // CONTENT_WATER || CONTENT_WATERSOURCE -> CONTENT_WATER
@@ -146,57 +276,35 @@ inline u8 make_liquid_flowing(u8 m)
 }
 
 // Pointable contents can be pointed to in the map
+// NOTE: Don't use, use "content_features(m).whatever" instead
 inline bool content_pointable(u8 m)
 {
-	return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE);
+	return g_content_features[m].pointable;
+	//return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE);
 }
 
+// NOTE: Don't use, use "content_features(m).whatever" instead
 inline bool content_diggable(u8 m)
 {
-	return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE);
+	return g_content_features[m].diggable;
+	//return (m != CONTENT_AIR && m != CONTENT_WATER && m != CONTENT_WATERSOURCE);
 }
 
+// NOTE: Don't use, use "content_features(m).whatever" instead
 inline bool content_buildable_to(u8 m)
 {
-	return (m == CONTENT_AIR || m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
+	return g_content_features[m].buildable_to;
+	//return (m == CONTENT_AIR || m == CONTENT_WATER || m == CONTENT_WATERSOURCE);
 }
 
 /*
 	Returns true for contents that form the base ground that
 	follows the main heightmap
 */
-inline bool is_ground_content(u8 m)
+/*inline bool is_ground_content(u8 m)
 {
-	return (
+	return g_content_features[m].is_ground_content;
-		m != CONTENT_IGNORE
+}*/
-		&& m != CONTENT_AIR
-		&& m != CONTENT_WATER
-		&& m != CONTENT_TORCH
-		&& m != CONTENT_TREE
-		&& m != CONTENT_LEAVES
-		&& m != CONTENT_WATERSOURCE
-		&& m != CONTENT_CLOUD
-	);
-}
-
-inline bool is_mineral(u8 c)
-{
-	return(c == CONTENT_MESE
-		|| c == CONTENT_COALSTONE);
-}
-
-inline bool liquid_replaces_content(u8 c)
-{
-	return (c == CONTENT_AIR || c == CONTENT_TORCH);
-}
-
-/*
-	When placing a node, drection info is added to it if this is true
-*/
-inline bool content_directional(u8 c)
-{
-	return (c == CONTENT_TORCH);
-}
 
 /*
 	Nodes make a face if contents differ and solidness differs.
@@ -275,87 +383,15 @@ inline v3s16 unpackDir(u8 b)
 	return d;
 }
 
-inline u16 content_tile(u8 c, v3s16 dir)
-{
-	if(c == CONTENT_IGNORE || c == CONTENT_AIR
-			|| c >= USEFUL_CONTENT_COUNT)
-		return TILE_NONE;
-
-	s32 dir_i = -1;
-	
-	if(dir == v3s16(0,1,0))
-		dir_i = 0;
-	else if(dir == v3s16(0,-1,0))
-		dir_i = 1;
-	else if(dir == v3s16(1,0,0))
-		dir_i = 2;
-	else if(dir == v3s16(-1,0,0))
-		dir_i = 3;
-	else if(dir == v3s16(0,0,1))
-		dir_i = 4;
-	else if(dir == v3s16(0,0,-1))
-		dir_i = 5;
-	
-	/*if(dir_i == -1)
-		return TILE_NONE;*/
-	assert(dir_i != -1);
-
-	return g_content_tiles[c][dir_i];
-}
-
 enum LightBank
 {
 	LIGHTBANK_DAY,
 	LIGHTBANK_NIGHT
 };
 
-#if 0
+/*
-#define DIR_PX 1 //X+
+	This is the stuff what the whole world consists of.
-#define DIR_NX 2 //X-
+*/
-#define DIR_PZ 4 //Z+
-#define DIR_NZ 8 //Z-
-#define DIR_PY 16 //Y+
-#define DIR_NY 32 //Y-
-
-inline void decode_dirs(u8 b, core::list<v3s16> &dirs)
-{
-	if(b & DIR_PX)
-		dirs.push_back(v3s16(1,0,0));
-	if(b & DIR_NX)
-		dirs.push_back(v3s16(-1,0,0));
-	if(b & DIR_PZ)
-		dirs.push_back(v3s16(0,0,1));
-	if(b & DIR_NZ)
-		dirs.push_back(v3s16(0,0,-1));
-	if(b & DIR_PY)
-		dirs.push_back(v3s16(0,1,0));
-	if(b & DIR_NY)
-		dirs.push_back(v3s16(0,-1,0));
-}
-
-inline u8 encode_dirs(core::list<v3s16> &dirs)
-{
-	u8 b = 0;
-	for(core::list<v3s16>::Iterator
-			i = dirs.begin();
-			i != dirs.end(); i++)
-	{
-		if(*i == v3s16(1,0,0))
-			b += DIR_PX;
-		else if(*i == v3s16(-1,0,0))
-			b += DIR_NX;
-		else if(*i == v3s16(0,0,1))
-			b += DIR_PZ;
-		else if(*i == v3s16(0,0,-1))
-			b += DIR_NZ;
-		else if(*i == v3s16(0,1,0))
-			b += DIR_PY;
-		else if(*i == v3s16(0,-1,0))
-			b += DIR_NY;
-	}
-	return b;
-}
-#endif
 
 struct MapNode
 {
@@ -512,10 +548,10 @@ struct MapNode
 			assert(0);
 	}
 	
-	u16 getTile(v3s16 dir)
+	// In mapnode.cpp
-	{
+	TileSpec getTile(v3s16 dir);
-		return content_tile(d, dir);
+
-	}
+	u8 getMineral();
 
 	/*
 		These serialization functions are used when informing client
@@ -584,6 +620,15 @@ struct MapNode
 			param = source[1];
 			param2 = source[2];
 		}
+
+		// Translate deprecated stuff
+		MapNode *translate_to = g_content_features[d].translate_to;
+		if(translate_to)
+		{
+			dstream<<"MapNode: WARNING: Translating "<<d<<" to "
+					<<translate_to->d<<std::endl;
+			*this = *translate_to;
+		}
 	}
 };
 
@@ -600,6 +645,9 @@ inline v3s16 floatToInt(v3f p)
 	return p2;
 }
 
+/*
+	The same thing backwards
+*/
 inline v3f intToFloat(v3s16 p)
 {
 	v3f p2(

src/mineral.h

@@ -0,0 +1,60 @@
+/*
+Minetest-c55
+Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 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 General Public License for more details.
+
+You should have received a copy of the GNU 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 MINERAL_HEADER
+#define MINERAL_HEADER
+
+#include "inventory.h"
+
+/*
+	Minerals
+
+	Value is stored in the lowest 5 bits of a MapNode's CPT_MINERAL
+	type param.
+*/
+
+#define MINERAL_NONE 0
+#define MINERAL_COAL 1
+#define MINERAL_IRON 2
+
+inline const char * mineral_block_texture(u8 mineral)
+{
+	switch(mineral)
+	{
+	case MINERAL_COAL:
+		return "mineral_coal.png";
+	case MINERAL_IRON:
+		return "mineral_iron.png";
+	default:
+		return "";
+	}
+}
+
+inline CraftItem * getDiggedMineralItem(u8 mineral)
+{
+	if(mineral == MINERAL_COAL)
+		return new CraftItem("lump_of_coal", 1);
+	else if(mineral == MINERAL_IRON)
+		return new CraftItem("lump_of_iron", 1);
+
+	return NULL;
+}
+
+#endif
+

src/server.cpp

@@ -31,6 +31,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "constants.h"
 #include "voxel.h"
 #include "materials.h"
+#include "mineral.h"
 
 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
 
@@ -1951,11 +1952,13 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 			core::map<v3s16, MapBlock*> modified_blocks;
 
 			u8 material;
+			u8 mineral = MINERAL_NONE;
 
 			try
 			{
+				MapNode n = m_env.getMap().getNode(p_under);
 				// Get material at position
-				material = m_env.getMap().getNode(p_under).d;
+				material = n.d;
 				// If it's not diggable, do nothing
 				if(content_diggable(material) == false)
 				{
@@ -1963,6 +1966,8 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 							<<std::endl;
 					return;
 				}
+				// Get mineral
+				mineral = n.getMineral();
 			}
 			catch(InvalidPositionException &e)
 			{
@@ -1974,8 +1979,6 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 				return;
 			}
 			
-			//TODO: Send to only other clients
-			
 			/*
 				Send the removal to all other clients
 			*/
@@ -2047,7 +2050,15 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 				/*
 					Add digged item to inventory
 				*/
-				InventoryItem *item = new MaterialItem(material, 1);
+
+				InventoryItem *item = NULL;
+
+				if(mineral != MINERAL_NONE)
+					item = getDiggedMineralItem(mineral);
+
+				if(item == NULL)
+					item = new MaterialItem(material, 1);
+
 				player->inventory.addItem("main", item);
 
 				/*
@@ -2134,7 +2145,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 				MaterialItem *mitem = (MaterialItem*)item;
 				MapNode n;
 				n.d = mitem->getMaterial();
-				if(content_directional(n.d))
+				if(content_features(n.d).wall_mounted)
 					n.dir = packDir(p_under - p_over);
 
 #if 1
@@ -2939,7 +2950,7 @@ void Server::SendInventory(u16 peer_id)
 			if(!found)
 			{
 				ItemSpec specs[9];
-				specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COALSTONE);
+				specs[0] = ItemSpec(ITEM_CRAFT, "Coal");
 				specs[3] = ItemSpec(ITEM_CRAFT, "Stick");
 				if(checkItemCombination(items, specs))
 				{
@@ -3300,6 +3311,11 @@ Player *Server::emergePlayer(const char *name, const char *password,
 		}
 		else
 		{
+			{
+				InventoryItem *item = new ToolItem("WPick", 32000);
+				void* r = player->inventory.addItem("main", item);
+				assert(r == NULL);
+			}
 			/*{
 				InventoryItem *item = new MaterialItem(CONTENT_MESE, 6);
 				void* r = player->inventory.addItem("main", item);

src/tile.cpp

@@ -18,119 +18,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "tile.h"
-#include "porting.h"
+//#include "porting.h"
 // For IrrlichtWrapper
-#include "main.h"
+//#include "main.h"
-#include <string>
+//#include <string>
 
-/*
+// Nothing here
-	These can either be real paths or generated names of preloaded
-	textures (like "mud.png_sidegrass")
-*/
-std::string g_tile_texture_paths[TILES_COUNT];
-
-const char * tile_texture_path_get(u32 i)
-{
-	assert(i < TILES_COUNT);
-
-	//return g_tile_texture_paths[i];
-	return g_tile_texture_paths[i].c_str();
-}
-
-// A mapping from tiles to materials
-// Initialized at run-time.
-video::SMaterial g_tile_materials[TILES_COUNT];
-
-enum TileTextureModID
-{
-	TTMID_NONE,
-	TTMID_SIDEGRASS,
-};
-
-struct TileTextureSpec
-{
-	const char *filename;
-	enum TileTextureModID mod;
-};
-
-/*
-	Initializes g_tile_texture_paths with paths of textures,
-	generates generated textures and creates the tile material array.
-*/
-void init_tile_textures()
-{
-	TileTextureSpec tile_texture_specs[TILES_COUNT] =
-	{
-		{NULL, TTMID_NONE},
-		{"stone.png", TTMID_NONE},
-		{"water.png", TTMID_NONE},
-		{"grass.png", TTMID_NONE},
-		{"tree.png", TTMID_NONE},
-		{"leaves.png", TTMID_NONE},
-		{"grass_footsteps.png", TTMID_NONE},
-		{"mese.png", TTMID_NONE},
-		{"mud.png", TTMID_NONE},
-		{"tree_top.png", TTMID_NONE},
-		{"mud.png", TTMID_SIDEGRASS},
-		{"cloud.png", TTMID_NONE},
-		{"coalstone.png", TTMID_NONE},
-		{"wood.png", TTMID_NONE},
-	};
-	
-	for(s32 i=0; i<TILES_COUNT; i++)
-	{
-		const char *filename = tile_texture_specs[i].filename;
-		enum TileTextureModID mod_id = tile_texture_specs[i].mod;
-
-		if(filename != NULL && std::string("") != filename)
-		{
-			std::string path = porting::getDataPath(filename);
-			std::string mod_postfix = "";
-			if(mod_id == TTMID_SIDEGRASS)
-			{
-				mod_postfix = "_sidegrass";
-				// Generate texture
-				TextureMod *mod = new SideGrassTextureMod();
-				g_irrlicht->getTexture(TextureSpec(path + mod_postfix,
-						path, mod));
-			}
-			g_tile_texture_paths[i] = path + mod_postfix;
-		}
-	}
-
-	for(s32 i=0; i<TILES_COUNT; i++)
-	{
-		const char *path = tile_texture_path_get(i);
-
-		video::ITexture *t = NULL;
-
-		if(path != NULL && std::string("") != path)
-		{
-			t = g_irrlicht->getTexture(path);
-			assert(t != NULL);
-		}
-
-		g_tile_materials[i].Lighting = false;
-		g_tile_materials[i].BackfaceCulling = false;
-		g_tile_materials[i].setFlag(video::EMF_BILINEAR_FILTER, false);
-		g_tile_materials[i].setFlag(video::EMF_ANTI_ALIASING, video::EAAM_OFF);
-		//if(i != TILE_WATER)
-		g_tile_materials[i].setFlag(video::EMF_FOG_ENABLE, true);
-		
-		//g_tile_materials[i].setFlag(video::EMF_TEXTURE_WRAP, video::ETC_REPEAT);
-		//g_tile_materials[i].setFlag(video::EMF_ANISOTROPIC_FILTER, false);
-
-		g_tile_materials[i].setTexture(0, t);
-	}
-
-	g_tile_materials[TILE_WATER].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
-	//g_tile_materials[TILE_WATER].MaterialType = video::EMT_TRANSPARENT_ADD_COLOR;
-}
-
-video::SMaterial & tile_material_get(u32 i)
-{
-	assert(i < TILES_COUNT);
-
-	return g_tile_materials[i];
-}
 

src/tile.h

@@ -21,88 +21,36 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define TILE_HEADER
 
 #include "common_irrlicht.h"
-#include "utility.h"
+//#include "utility.h"
-
+#include <string>
-// TileID is supposed to be stored in a u16
-
-enum TileID
-{
-	TILE_NONE, // Nothing shown
-	TILE_STONE,
-	TILE_WATER,
-	TILE_GRASS,
-	TILE_TREE,
-	TILE_LEAVES,
-	TILE_GRASS_FOOTSTEPS,
-	TILE_MESE,
-	TILE_MUD,
-	TILE_TREE_TOP,
-	TILE_MUD_WITH_GRASS,
-	TILE_CLOUD,
-	TILE_COALSTONE,
-	TILE_WOOD,
-	
-	// Count of tile ids
-	TILES_COUNT
-};
-
-enum TileSpecialFeature
-{
-	TILEFEAT_NONE,
-	TILEFEAT_CRACK,
-};
-
-struct TileCrackParam
-{
-	bool operator==(TileCrackParam &other)
-	{
-		return progression == other.progression;
-	}
-
-	u16 progression;
-};
 
 struct TileSpec
 {
-	TileSpec()
+	TileSpec():
+		alpha(255)
+	{
+	}
+
+	TileSpec(const std::string &a_name):
+		name(a_name),
+		alpha(255)
+	{
+	}
+
+	TileSpec(const char *a_name):
+		name(a_name),
+		alpha(255)
 	{
-		id = TILE_NONE;
-		feature = TILEFEAT_NONE;
 	}
 
 	bool operator==(TileSpec &other)
 	{
-		if(id != other.id)
+		return (name == other.name && alpha == other.alpha);
-			return false;
-		if(feature != other.feature)
-			return false;
-		if(feature == TILEFEAT_NONE)
-			return true;
-		if(feature == TILEFEAT_CRACK)
-		{
-			return param.crack == other.param.crack;
-		}
-		// Invalid feature
-		assert(0);
-		return false;
 	}
 	
-	u16 id; // Id in g_tile_materials, TILE_NONE=none
+	// path + mods
-	enum TileSpecialFeature feature;
+	std::string name;
-	union
+	u8 alpha;
-	{
-		TileCrackParam crack;
-	} param;
 };
 
-/*
-	Functions
-*/
-
-void init_tile_textures();
-
-const char * tile_texture_path_get(u32 i);
-
-video::SMaterial & tile_material_get(u32 i);
-
 #endif

src/utility.cpp

@@ -88,6 +88,41 @@ const v3s16 g_26dirs[26] =
 	// 26
 };
 
+const v3s16 g_27dirs[27] =
+{
+	// +right, +top, +back
+	v3s16( 0, 0, 1), // back
+	v3s16( 0, 1, 0), // top
+	v3s16( 1, 0, 0), // right
+	v3s16( 0, 0,-1), // front
+	v3s16( 0,-1, 0), // bottom
+	v3s16(-1, 0, 0), // left
+	// 6
+	v3s16(-1, 1, 0), // top left
+	v3s16( 1, 1, 0), // top right
+	v3s16( 0, 1, 1), // top back
+	v3s16( 0, 1,-1), // top front
+	v3s16(-1, 0, 1), // back left
+	v3s16( 1, 0, 1), // back right
+	v3s16(-1, 0,-1), // front left
+	v3s16( 1, 0,-1), // front right
+	v3s16(-1,-1, 0), // bottom left
+	v3s16( 1,-1, 0), // bottom right
+	v3s16( 0,-1, 1), // bottom back
+	v3s16( 0,-1,-1), // bottom front
+	// 18
+	v3s16(-1, 1, 1), // top back-left
+	v3s16( 1, 1, 1), // top back-right
+	v3s16(-1, 1,-1), // top front-left
+	v3s16( 1, 1,-1), // top front-right
+	v3s16(-1,-1, 1), // bottom back-left
+	v3s16( 1,-1, 1), // bottom back-right
+	v3s16(-1,-1,-1), // bottom front-left
+	v3s16( 1,-1,-1), // bottom front-right
+	// 26
+	v3s16(0,0,0),
+};
+
 static unsigned long next = 1;
 
 /* RAND_MAX assumed to be 32767 */

src/utility.h

@@ -36,6 +36,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 extern const v3s16 g_26dirs[26];
 
+// 26th is (0,0,0)
+extern const v3s16 g_27dirs[27];
+
 inline void writeU32(u8 *data, u32 i)
 {
 	data[0] = ((i>>24)&0xff);
@@ -666,6 +669,14 @@ inline s32 stoi(std::string s)
 	return atoi(s.c_str());
 }
 
+inline float stof(std::string s)
+{
+	float f;
+	std::istringstream ss(s);
+	ss>>f;
+	return f;
+}
+
 inline std::string itos(s32 i)
 {
 	std::ostringstream o;

src/voxel.cpp

@@ -110,7 +110,7 @@ void VoxelManipulator::print(std::ostream &o, VoxelPrintMode mode)
 							if(pr <= 9)
 								c = pr + '0';
 						}
-						else if(liquid_replaces_content(m))
+						else if(m == CONTENT_AIR)
 						{
 							c = ' ';
 						}
@@ -653,637 +653,4 @@ void VoxelManipulator::spreadLight(enum LightBank bank,
 }
 #endif
 
-#if 0
-int VoxelManipulator::getWaterPressure(v3s16 p, s16 &highest_y, int recur_count)
-{
-	m_flags[m_area.index(p)] |= VOXELFLAG_CHECKED2;
-
-	if(p.Y > highest_y)
-		highest_y = p.Y;
-	
-	/*if(recur_count > 1000)
-		throw ProcessingLimitException
-				("getWaterPressure recur_count limit reached");*/
-	
-	if(recur_count > 10000)
-		return -1;
-	
-	recur_count++;
-
-	v3s16 dirs[6] = {
-		v3s16(0,1,0), // top
-		v3s16(0,0,1), // back
-		v3s16(0,0,-1), // front
-		v3s16(1,0,0), // right
-		v3s16(-1,0,0), // left
-		v3s16(0,-1,0), // bottom
-	};
-
-	// Load neighboring nodes
-	emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)), 1);
-
-	s32 i;
-	for(i=0; i<6; i++)
-	{
-		v3s16 p2 = p + dirs[i];
-		u8 f = m_flags[m_area.index(p2)];
-		// Ignore inexistent or checked nodes
-		if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED2))
-			continue;
-		MapNode &n = m_data[m_area.index(p2)];
-		// Ignore non-liquid nodes
-		if(content_liquid(n.d) == false)
-			continue;
-
-		int pr;
-
-		// If at ocean surface
-		if(n.pressure == 1 && n.d == CONTENT_WATERSOURCE)
-		//if(n.pressure == 1) // Causes glitches but is fast
-		{
-			pr = 1;
-		}
-		// Otherwise recurse more
-		else
-		{
-			pr = getWaterPressure(p2, highest_y, recur_count);
-			if(pr == -1)
-				continue;
-		}
-
-		// If block is at top, pressure here is one higher
-		if(i == 0)
-		{
-			if(pr < 255)
-				pr++;
-		}
-		// If block is at bottom, pressure here is one lower
-		else if(i == 5)
-		{
-			if(pr > 1)
-				pr--;
-		}
-		
-		// Node is on the pressure route
-		m_flags[m_area.index(p)] |= VOXELFLAG_CHECKED4;
-
-		// Got pressure
-		return pr;
-	}
-	
-	// Nothing useful found
-	return -1;
-}
-
-void VoxelManipulator::spreadWaterPressure(v3s16 p, int pr,
-		VoxelArea request_area,
-		core::map<v3s16, u8> &active_nodes,
-		int recur_count)
-{
-	//if(recur_count > 10000)
-		/*throw ProcessingLimitException
-				("spreadWaterPressure recur_count limit reached");*/
-	if(recur_count > 10)
-		return;
-	recur_count++;
-	
-	/*dstream<<"spreadWaterPressure: p=("
-			<<p.X<<","<<p.Y<<","<<p.Z<<")"
-			<<", oldpr="<<(int)m_data[m_area.index(p)].pressure
-			<<", pr="<<pr
-			<<", recur_count="<<recur_count
-			<<", request_area=";
-	request_area.print(dstream);
-	dstream<<std::endl;*/
-
-	m_flags[m_area.index(p)] |= VOXELFLAG_CHECKED3;
-	m_data[m_area.index(p)].pressure = pr;
-
-	v3s16 dirs[6] = {
-		v3s16(0,1,0), // top
-		v3s16(-1,0,0), // left
-		v3s16(1,0,0), // right
-		v3s16(0,0,-1), // front
-		v3s16(0,0,1), // back
-		v3s16(0,-1,0), // bottom
-	};
-
-	// Load neighboring nodes
-	emerge(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)), 2);
-
-	s32 i;
-	for(i=0; i<6; i++)
-	{
-		v3s16 p2 = p + dirs[i];
-		
-		u8 f = m_flags[m_area.index(p2)];
-
-		// Ignore inexistent and checked nodes
-		if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED3))
-			continue;
-
-		MapNode &n = m_data[m_area.index(p2)];
-		
-		/*
-			If material is air:
-				add to active_nodes if there is flow-causing pressure.
-			NOTE: Do not remove anything from there. We cannot know
-			      here if some other neighbor of it causes flow.
-		*/
-		if(liquid_replaces_content(n.d))
-		{
-			bool pressure_causes_flow = false;
-			// If empty block is at top
-			if(i == 0)
-			{
-				if(m_disable_water_climb)
-					continue;
-				
-				//if(pr >= PRESERVE_WATER_VOLUME ? 3 : 2)
-				if(pr >= 3)
-					pressure_causes_flow = true;
-			}
-			// If block is at bottom
-			else if(i == 5)
-			{
-				pressure_causes_flow = true;
-			}
-			// If block is at side
-			else
-			{
-				//if(pr >= PRESERVE_WATER_VOLUME ? 2 : 1)
-				if(pr >= 2)
-					pressure_causes_flow = true;
-			}
-			
-			if(pressure_causes_flow)
-			{
-				active_nodes[p2] = 1;
-			}
-
-			continue;
-		}
-
-		// Ignore non-liquid nodes
-		if(content_liquid(n.d) == false)
-			continue;
-
-		int pr2 = pr;
-		// If block is at top, pressure there is lower
-		if(i == 0)
-		{
-			if(pr2 > 0)
-				pr2--;
-		}
-		// If block is at bottom, pressure there is higher
-		else if(i == 5)
-		{
-			if(pr2 < 255)
-				pr2++;
-		}
-
-		/*if(m_disable_water_climb)
-		{
-			if(pr2 > 3)
-				pr2 = 3;
-		}*/
-		
-		// Ignore if correct pressure is already set and is not on
-		// request_area.
-		// Thus, request_area can be used for updating as much
-		// pressure info in some area as possible to possibly
-		// make some calls to getWaterPressure unnecessary.
-		if(n.pressure == pr2 && request_area.contains(p2) == false)
-			continue;
-
-		spreadWaterPressure(p2, pr2, request_area, active_nodes, recur_count);
-	}
-}
-
-void VoxelManipulator::updateAreaWaterPressure(VoxelArea a,
-		core::map<v3s16, u8> &active_nodes,
-		bool checked3_is_clear)
-{
-	TimeTaker timer("updateAreaWaterPressure", &updateareawaterpressure_time);
-
-	emerge(a, 3);
-	
-	bool checked2_clear = false;
-	
-	if(checked3_is_clear == false)
-	{
-		//clearFlag(VOXELFLAG_CHECKED3);
-
-		clearFlag(VOXELFLAG_CHECKED3 | VOXELFLAG_CHECKED2);
-		checked2_clear = true;
-	}
-	
-
-	for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
-	for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
-	for(s32 x=a.MinEdge.X; x<=a.MaxEdge.X; x++)
-	{
-		v3s16 p(x,y,z);
-
-		u8 f = m_flags[m_area.index(p)];
-		// Ignore inexistent or checked nodes
-		if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED3))
-			continue;
-		MapNode &n = m_data[m_area.index(p)];
-		// Ignore non-liquid nodes
-		if(content_liquid(n.d) == false)
-			continue;
-		
-		if(checked2_clear == false)
-		{
-			clearFlag(VOXELFLAG_CHECKED2);
-			checked2_clear = true;
-		}
-
-		checked2_clear = false;
-
-		s16 highest_y = -32768;
-		int recur_count = 0;
-		int pr = -1;
-
-		try
-		{
-			// 0-1ms @ recur_count <= 100
-			//TimeTaker timer("getWaterPressure", g_irrlicht);
-			pr = getWaterPressure(p, highest_y, recur_count);
-		}
-		catch(ProcessingLimitException &e)
-		{
-			//dstream<<"getWaterPressure ProcessingLimitException"<<std::endl;
-		}
-
-		if(pr == -1)
-		{
-			assert(highest_y != -32768);
-
-			pr = highest_y - p.Y + 1;
-			if(pr > 255)
-				pr = 255;
-
-			/*dstream<<"WARNING: Pressure at ("
-					<<p.X<<","<<p.Y<<","<<p.Z<<")"
-					<<" = "<<pr
-					//<<" and highest_y == -32768"
-					<<std::endl;
-			assert(highest_y != -32768);
-			continue;*/
-		}
-		
-		try
-		{
-			// 0ms
-			//TimeTaker timer("spreadWaterPressure", g_irrlicht);
-			spreadWaterPressure(p, pr, a, active_nodes, 0);
-		}
-		catch(ProcessingLimitException &e)
-		{
-			//dstream<<"getWaterPressure ProcessingLimitException"<<std::endl;
-		}
-	}
-}
-
-bool VoxelManipulator::flowWater(v3s16 removed_pos,
-		core::map<v3s16, u8> &active_nodes,
-		int recursion_depth, bool debugprint,
-		u32 stoptime)
-{
-	v3s16 dirs[6] = {
-		v3s16(0,1,0), // top
-		v3s16(0,0,-1), // front
-		v3s16(0,0,1), // back
-		v3s16(-1,0,0), // left
-		v3s16(1,0,0), // right
-		v3s16(0,-1,0), // bottom
-	};
-
-	recursion_depth++;
-
-	v3s16 p;
-	bool from_ocean = false;
-	
-	// Randomize horizontal order
-	static s32 cs = 0;
-	if(cs < 3)
-		cs++;
-	else
-		cs = 0;
-	s16 s1 = (cs & 1) ? 1 : -1;
-	s16 s2 = (cs & 2) ? 1 : -1;
-	//dstream<<"s1="<<s1<<", s2="<<s2<<std::endl;
-
-	{
-	TimeTaker timer1("flowWater pre", &flowwater_pre_time);
-	
-	// Load neighboring nodes
-	emerge(VoxelArea(removed_pos - v3s16(1,1,1), removed_pos + v3s16(1,1,1)), 4);
-	
-	// Ignore incorrect removed_pos
-	{
-		u8 f = m_flags[m_area.index(removed_pos)];
-		// Ignore inexistent or checked node
-		if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED))
-			return false;
-		MapNode &n = m_data[m_area.index(removed_pos)];
-		// Ignore nodes to which the water can't go
-		if(liquid_replaces_content(n.d) == false)
-			return false;
-	}
-	
-	s32 i;
-	for(i=0; i<6; i++)
-	{
-		// Don't raise water from bottom
-		if(m_disable_water_climb && i == 5)
-			continue;
-
-		p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
-
-		u8 f = m_flags[m_area.index(p)];
-		// Inexistent or checked nodes can't move
-		if(f & (VOXELFLAG_INEXISTENT | VOXELFLAG_CHECKED))
-			continue;
-		MapNode &n = m_data[m_area.index(p)];
-		// Only liquid nodes can move
-		if(content_liquid(n.d) == false)
-			continue;
-		// If block is at top, select it always
-		if(i == 0)
-		{
-			break;
-		}
-		// If block is at bottom, select it if it has enough pressure
-		if(i == 5)
-		{
-			//if(n.pressure >= PRESERVE_WATER_VOLUME ? 3 : 2)
-			if(n.pressure >= 3)
-				break;
-			continue;
-		}
-		// Else block is at some side. Select it if it has enough pressure
-		//if(n.pressure >= PRESERVE_WATER_VOLUME ? 2 : 1)
-		if(n.pressure >= 2)
-		{
-			break;
-		}
-	}
-
-	// If there is nothing to move, return
-	if(i==6)
-		return false;
-
-	/*
-		Move water and bubble
-	*/
-
-	u8 m = m_data[m_area.index(p)].d;
-	u8 f = m_flags[m_area.index(p)];
-
-	if(m == CONTENT_WATERSOURCE)
-		from_ocean = true;
-
-	// Move air bubble if not taking water from ocean
-	if(from_ocean == false)
-	{
-		m_data[m_area.index(p)].d = m_data[m_area.index(removed_pos)].d;
-		m_flags[m_area.index(p)] = m_flags[m_area.index(removed_pos)];
-	}
-	
-	/*
-		This has to be done to copy the brightness of a light source
-		correctly. Otherwise unspreadLight will fuck up when water
-		has replaced a light source.
-	*/
-	u8 light = m_data[m_area.index(removed_pos)].getLightBanksWithSource();
-
-	m_data[m_area.index(removed_pos)].d = m;
-	m_flags[m_area.index(removed_pos)] = f;
-
-	m_data[m_area.index(removed_pos)].setLightBanks(light);
-	
-	// Mark removed_pos checked
-	m_flags[m_area.index(removed_pos)] |= VOXELFLAG_CHECKED;
-
-	// If block was dropped from surface, increase pressure
-	if(i == 0 && m_data[m_area.index(removed_pos)].pressure == 1)
-	{
-		m_data[m_area.index(removed_pos)].pressure = 2;
-	}
-	
-	/*
-	NOTE: This does not work as-is
-	if(m == CONTENT_WATERSOURCE)
-	{
-		// If block was raised to surface, increase pressure of
-		// source node
-		if(i == 5 && m_data[m_area.index(p)].pressure == 1)
-		{
-			m_data[m_area.index(p)].pressure = 2;
-		}
-	}*/
-	
-	/*if(debugprint)
-	{
-		dstream<<"VoxelManipulator::flowWater(): Moved bubble:"<<std::endl;
-		print(dstream, VOXELPRINT_WATERPRESSURE);
-	}*/
-
-	// Update pressure
-	VoxelArea a;
-	a.addPoint(p - v3s16(1,1,1));
-	a.addPoint(p + v3s16(1,1,1));
-	a.addPoint(removed_pos - v3s16(1,1,1));
-	a.addPoint(removed_pos + v3s16(1,1,1));
-	updateAreaWaterPressure(a, active_nodes);
-	
-	/*if(debugprint)
-	{
-		dstream<<"VoxelManipulator::flowWater(): Pressure updated:"<<std::endl;
-		print(dstream, VOXELPRINT_WATERPRESSURE);
-		//std::cin.get();
-	}*/
-
-	if(debugprint)
-	{
-		dstream<<"VoxelManipulator::flowWater(): step done:"<<std::endl;
-		print(dstream, VOXELPRINT_WATERPRESSURE);
-		//std::cin.get();
-	}
-	
-	}//timer1
-	
-	//if(PRESERVE_WATER_VOLUME)
-	if(from_ocean == false)
-	{
-		// Flow water to the newly created empty position
-		/*flowWater(p, active_nodes, recursion_depth,
-				debugprint, counter, counterlimit);*/
-		flowWater(p, active_nodes, recursion_depth,
-				debugprint, stoptime);
-	}
-	
-	if(stoptime != 0)
-	{
-		u32 timenow = getTimeMs();
-		// Well, it is a bit hard to guess because we don't know the
-		// start time...
-		bool overflow = timenow < stoptime - 100000;
-		if(timenow >= stoptime || overflow)
-		{
-			dstream<<"flowWater: stoptime reached"<<std::endl;
-			throw ProcessingLimitException("flowWater stoptime reached");
-		}
-	}
-	
-find_again:
-	
-	// Try flowing water to empty positions around removed_pos.
-	// They are checked in reverse order compared to the previous loop.
-	for(s32 i=5; i>=0; i--)
-	{
-		// Don't try to flow to top
-		if(m_disable_water_climb && i == 0)
-			continue;
-
-		//v3s16 p = removed_pos + dirs[i];
-		p = removed_pos + v3s16(s1*dirs[i].X, dirs[i].Y, s2*dirs[i].Z);
-
-		u8 f = m_flags[m_area.index(p)];
-		// Water can't move to inexistent nodes
-		if(f & VOXELFLAG_INEXISTENT)
-			continue;
-		MapNode &n = m_data[m_area.index(p)];
-		// Water can only move to air
-		if(liquid_replaces_content(n.d) == false)
-			continue;
-			
-		// Flow water to node
-		bool moved =
-		flowWater(p, active_nodes, recursion_depth,
-				debugprint, stoptime);
-		/*flowWater(p, active_nodes, recursion_depth,
-				debugprint, counter, counterlimit);*/
-		
-		if(moved)
-		{
-			// Search again from all neighbors
-			goto find_again;
-		}
-	}
-
-	return true;
-}
-
-void VoxelManipulator::flowWater(
-		core::map<v3s16, u8> &active_nodes,
-		int recursion_depth, bool debugprint,
-		u32 timelimit)
-{
-	addarea_time = 0;
-	emerge_time = 0;
-	emerge_load_time = 0;
-	clearflag_time = 0;
-	updateareawaterpressure_time = 0;
-	flowwater_pre_time = 0;
-
-	if(active_nodes.size() == 0)
-	{
-		dstream<<"flowWater: no active nodes"<<std::endl;
-		return;
-	}
-
-	//TimeTaker timer1("flowWater (active_nodes)", g_irrlicht);
-
-	//dstream<<"active_nodes.size() = "<<active_nodes.size()<<std::endl;
-
-
-	u32 stoptime = 0;
-	stoptime = getTimeMs() + timelimit;
-
-	// Count of handled active nodes
-	u32 handled_count = 0;
-
-	try
-	{
-
-	/*
-		Take random one at first
-
-		This is randomized only at the first time so that all
-		subsequent nodes will be taken at roughly the same position
-	*/
-	s32 k = 0;
-	if(active_nodes.size() != 0)
-		k = (s32)myrand() % (s32)active_nodes.size();
-
-	// Flow water to active nodes
-	for(;;)
-	//for(s32 h=0; h<1; h++)
-	{
-		if(active_nodes.size() == 0)
-			break;
-
-		handled_count++;
-		
-		// Clear check flags
-		clearFlag(VOXELFLAG_CHECKED);
-		
-		//dstream<<"Selecting a new active_node"<<std::endl;
-
-#if 0
-		// Take first one
-		core::map<v3s16, u8>::Node
-				*n = active_nodes.getIterator().getNode();
-#endif
-
-#if 1
-		
-		core::map<v3s16, u8>::Iterator
-				i = active_nodes.getIterator().getNode();
-		for(s32 j=0; j<k; j++)
-		{
-			i++;
-		}
-		core::map<v3s16, u8>::Node *n = i.getNode();
-
-		// Decrement index if less than 0.
-		// This keeps us in existing indices always.
-		if(k > 0)
-			k--;
-#endif
-
-		v3s16 p = n->getKey();
-		active_nodes.remove(p);
-		flowWater(p, active_nodes, recursion_depth,
-				debugprint, stoptime);
-	}
-
-	}
-	catch(ProcessingLimitException &e)
-	{
-		//dstream<<"getWaterPressure ProcessingLimitException"<<std::endl;
-	}
-	
-	/*v3s16 e = m_area.getExtent();
-	s32 v = m_area.getVolume();
-	dstream<<"flowWater (active): "
-			<<"area ended up as "
-			<<e.X<<"x"<<e.Y<<"x"<<e.Z<<" = "<<v
-			<<", handled a_node count: "<<handled_count
-			<<", active_nodes.size() = "<<active_nodes.size()
-			<<std::endl;
-	dstream<<"addarea_time: "<<addarea_time
-			<<", emerge_time: "<<emerge_time
-			<<", emerge_load_time: "<<emerge_load_time
-			<<", clearflag_time: "<<clearflag_time
-			<<", flowwater_pre_time: "<<flowwater_pre_time
-			<<", updateareawaterpressure_time: "<<updateareawaterpressure_time
-			<<std::endl;*/
-}
-#endif
-
 //END

src/voxel.h

@@ -411,62 +411,6 @@ public:
 	void spreadLight(enum LightBank bank,
 			core::map<v3s16, bool> & from_nodes);
 	
-#if 0
-	// VOXELFLAG_CHECKED2s must usually be cleared before calling
-	// -1: dead end, 0-255: pressure
-	// highest_y: Highest found water y is stored here.
-	//            Must be initialized to -32768
-	int getWaterPressure(v3s16 p, s16 &highest_y, int recur_count);
-
-	/*
-		VOXELFLAG_CHECKED3s must usually be cleared before calling.
-
-		active_nodes: surface-touching air nodes with flow-causing
-		pressure. set-like dummy map container.
-
-		Spreads pressure pr at node p to request_area or as far as
-		there is invalid pressure.
-	*/
-	void spreadWaterPressure(v3s16 p, int pr,
-			VoxelArea request_area,
-			core::map<v3s16, u8> &active_nodes,
-			int recur_count);
-	
-	/*
-		VOXELFLAG_CHECKED3s must usually be cleared before calling.
-	*/
-	void updateAreaWaterPressure(VoxelArea a,
-			core::map<v3s16, u8> &active_nodes,
-			bool checked3_is_clear=false);
-	
-	/*
-		Returns true if moved something
-	*/
-	bool flowWater(v3s16 removed_pos,
-			core::map<v3s16, u8> &active_nodes,
-			int recursion_depth=0,
-			bool debugprint=false,
-			u32 stoptime=0
-	);
-
-	/*
-		To flow some water, call this with the target node in
-		active_nodes
-		TODO: Make the active_nodes map to contain some vectors
-		      that are properly sorted according to water flow order.
-			  The current order makes water flow strangely if the
-			  first one is always taken.
-			  No, active_nodes should preserve the order stuff is
-			  added to it, in addition to adhering the water flow
-			  order.
-	*/
-	void flowWater(core::map<v3s16, u8> &active_nodes,
-			int recursion_depth=0,
-			bool debugprint=false,
-			u32 timelimit=50
-	);
-#endif
-
 	/*
 		Virtual functions
 	*/