From: Perttu Ahola <celeron55@gmail.com>
Date: Wed, 22 Dec 2010 14:30:23 +0000 (+0200)
Subject: crafting system!
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=3de176cc587c4e0601c3c3f5a049e30db6bd2c17;p=zefram%2Fminetest%2Fminetest_engine.git

crafting system!
---

diff --git a/Makefile b/Makefile
index aaeb9d7e..6da2e64d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,16 +6,17 @@ SOURCE_FILES = guiInventoryMenu.cpp irrlichtwrapper.cpp guiPauseMenu.cpp default
 SOURCES = $(addprefix src/, $(SOURCE_FILES))
 BUILD_DIR = build
 OBJECTS = $(addprefix $(BUILD_DIR)/, $(SOURCE_FILES:.cpp=.o))
-#OBJECTS = $(SOURCES:.cpp=.o)
 
 FAST_TARGET = fasttest
+FAST_SOURCES = $(addprefix src/, $(SOURCE_FILES))
+FAST_BUILD_DIR = fastbuild
+FAST_OBJECTS = $(addprefix $(FAST_BUILD_DIR)/, $(SOURCE_FILES:.cpp=.o))
 
 SERVER_TARGET = server
 SERVER_SOURCE_FILES = defaultsettings.cpp mapnode.cpp voxel.cpp mapblockobject.cpp inventory.cpp debug.cpp serialization.cpp light.cpp filesys.cpp connection.cpp environment.cpp server.cpp socket.cpp mapblock.cpp mapsector.cpp heightmap.cpp map.cpp player.cpp utility.cpp servermain.cpp test.cpp
 SERVER_SOURCES = $(addprefix src/, $(SERVER_SOURCE_FILES))
 SERVER_BUILD_DIR = serverbuild
 SERVER_OBJECTS = $(addprefix $(SERVER_BUILD_DIR)/, $(SERVER_SOURCE_FILES:.cpp=.o))
-#SERVER_OBJECTS = $(SERVER_SOURCES:.cpp=.o)
 
 IRRLICHTPATH = ../irrlicht/irrlicht-1.7.1
 JTHREADPATH = ../jthread/jthread-1.2.1
@@ -58,19 +59,21 @@ SERVER_DESTPATH = bin/$(SERVER_TARGET)$(SUF)
 # Build commands
 
 all_linux all_win32: $(BUILD_DIR) $(DESTPATH)
-fast_linux: $(BUILD_DIR) $(FAST_DESTPATH)
+fast_linux: $(FAST_BUILD_DIR) $(FAST_DESTPATH)
 server_linux: $(SERVER_BUILD_DIR) $(SERVER_DESTPATH)
 
 $(BUILD_DIR):
 	mkdir -p $(BUILD_DIR)
+$(FAST_BUILD_DIR):
+	mkdir -p $(FAST_BUILD_DIR)
 $(SERVER_BUILD_DIR):
 	mkdir -p $(SERVER_BUILD_DIR)
 
 $(DESTPATH): $(OBJECTS)
 	$(CXX) -o $@ $(OBJECTS) $(LDFLAGS)
 
-$(FAST_DESTPATH): $(OBJECTS)
-	$(CXX) -o $@ $(OBJECTS) $(LDFLAGS) -DUNITTEST_DISABLE
+$(FAST_DESTPATH): $(FAST_OBJECTS)
+	$(CXX) -o $@ $(FAST_OBJECTS) $(LDFLAGS) -DUNITTEST_DISABLE
 
 $(SERVER_DESTPATH): $(SERVER_OBJECTS)
 	$(CXX) -o $@ $(SERVER_OBJECTS) $(LDFLAGS) -DSERVER -DUNITTEST_DISABLE
@@ -78,6 +81,9 @@ $(SERVER_DESTPATH): $(SERVER_OBJECTS)
 $(BUILD_DIR)/%.o: src/%.cpp
 	$(CXX) -c -o $@ $< $(CPPFLAGS) $(CXXFLAGS)
 
+$(FAST_BUILD_DIR)/%.o: src/%.cpp
+	$(CXX) -c -o $@ $< $(CPPFLAGS) $(CXXFLAGS)
+
 $(SERVER_BUILD_DIR)/%.o: src/%.cpp
 	$(CXX) -c -o $@ $< $(CPPFLAGS) $(CXXFLAGS)
 
diff --git a/data/coalstone.png b/data/coalstone.png
new file mode 100644
index 00000000..c993a02f
Binary files /dev/null and b/data/coalstone.png differ
diff --git a/makepackage_binary.sh b/makepackage_binary.sh
index b921c9ae..67431c95 100755
--- a/makepackage_binary.sh
+++ b/makepackage_binary.sh
@@ -16,6 +16,7 @@ cp bin/Irrlicht.dll $PACKAGEPATH/bin/
 cp bin/zlibwapi.dll $PACKAGEPATH/bin/
 #cp bin/test $PACKAGEPATH/bin/
 cp bin/fasttest $PACKAGEPATH/bin/
+cp bin/server $PACKAGEPATH/bin/
 cp ../irrlicht/irrlicht-1.7.1/lib/Linux/libIrrlicht.a $PACKAGEPATH/bin/
 cp ../jthread/jthread-1.2.1/src/.libs/libjthread-1.2.1.so $PACKAGEPATH/bin/
 
@@ -42,8 +43,10 @@ cp -r data/skybox2.png $PACKAGEPATH/data/
 cp -r data/skybox3.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/pauseMenu.gui $PACKAGEPATH/data/
+#cp -r data/pauseMenu.gui $PACKAGEPATH/data/
 
 cp -r doc/README.txt $PACKAGEPATH/doc/README.txt
 
diff --git a/minetest.vcproj b/minetest.vcproj
index 4c99e6bb..f27c4bcd 100644
--- a/minetest.vcproj
+++ b/minetest.vcproj
@@ -198,6 +198,10 @@
 				RelativePath=".\src\filesys.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\src\guiInventoryMenu.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\src\guiPauseMenu.cpp"
 				>
diff --git a/src/client.cpp b/src/client.cpp
index a5d035d3..32f62e3b 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -1540,6 +1540,24 @@ void Client::sendSignText(v3s16 blockpos, s16 id, std::string text)
 	// Send as reliable
 	Send(0, data, true);
 }
+	
+void Client::sendInventoryAction(InventoryAction *a)
+{
+	std::ostringstream os(std::ios_base::binary);
+	u8 buf[12];
+	
+	// Write command
+	writeU16(buf, TOSERVER_INVENTORY_ACTION);
+	os.write((char*)buf, 2);
+
+	a->serialize(os);
+	
+	// Make data buffer
+	std::string s = os.str();
+	SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+	// Send as reliable
+	Send(0, data, true);
+}
 
 void Client::sendPlayerPos()
 {
diff --git a/src/client.h b/src/client.h
index a3d43997..bfec7730 100644
--- a/src/client.h
+++ b/src/client.h
@@ -190,6 +190,7 @@ public:
 	void clickObject(u8 button, v3s16 blockpos, s16 id, u16 item);
 
 	void sendSignText(v3s16 blockpos, s16 id, std::string text);
+	void sendInventoryAction(InventoryAction *a);
 	
 	void updateCamera(v3f pos, v3f dir);
 	
diff --git a/src/clientserver.h b/src/clientserver.h
index 5e919b2f..c8a11484 100644
--- a/src/clientserver.h
+++ b/src/clientserver.h
@@ -191,6 +191,11 @@ enum ToServerCommand
 		u16 textlen
 		textdata
 	*/
+
+	TOSERVER_INVENTORY_ACTION = 0x31,
+	/*
+		See InventoryAction in inventory.h
+	*/
 };
 
 inline SharedBuffer<u8> makePacket_TOCLIENT_TIME_OF_DAY(u16 time)
diff --git a/src/guiInventoryMenu.cpp b/src/guiInventoryMenu.cpp
index 7bc5ca9e..88cb8c83 100644
--- a/src/guiInventoryMenu.cpp
+++ b/src/guiInventoryMenu.cpp
@@ -55,7 +55,8 @@ void drawInventoryItem(gui::IGUIEnvironment* env,
 	if(item != NULL)
 	{
 		gui::IGUIFont *font = skin->getFont();
-		if(font)
+		std::string text = item->getText();
+		if(font && text != "")
 		{
 			core::rect<s32> rect2(rect.UpperLeftCorner,
 					(core::dimension2d<u32>(rect.getWidth(), 15)));
@@ -63,62 +64,13 @@ void drawInventoryItem(gui::IGUIEnvironment* env,
 			video::SColor bgcolor(128,0,0,0);
 			driver->draw2DRectangle(bgcolor, rect2, clip);
 
-			font->draw(item->getText().c_str(), rect2,
+			font->draw(text.c_str(), rect2,
 					video::SColor(255,255,255,255), false, false,
 					clip);
 		}
 	}
 }
 
-/*
-	GUIInventorySlot
-*/
-
-GUIInventorySlot::GUIInventorySlot(gui::IGUIEnvironment* env,
-		gui::IGUIElement* parent, s32 id, core::rect<s32> rect):
-	IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rect)
-{
-	m_item = NULL;
-}
-
-void GUIInventorySlot::draw()
-{
-	if(!IsVisible)
-		return;
-	
-	drawInventoryItem(Environment, m_item, AbsoluteRect,
-			&AbsoluteClippingRect);
-
-	gui::IGUIElement::draw();
-}
-
-bool GUIInventorySlot::OnEvent(const SEvent& event)
-{
-	/*if (!IsEnabled)
-		return IGUIElement::OnEvent(event);*/
-
-	switch(event.EventType)
-	{
-	case EET_MOUSE_INPUT_EVENT:
-		if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
-		{
-			dstream<<"Slot pressed"<<std::endl;
-			//return true;
-		}
-		else
-		if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
-		{
-			dstream<<"Slot released"<<std::endl;
-			//return true;
-		}
-		break;
-	default:
-		break;
-	}
-
-	return Parent ? Parent->OnEvent(event) : false;
-}
-
 /*
 	GUIInventoryMenu
 */
@@ -131,14 +83,21 @@ GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
 {
 	m_inventory = inventory;
 	m_screensize_old = v2u32(0,0);
+	m_selected_item = NULL;
 
 	resizeGui();
 
 	setVisible(false);
+
+	/*m_selected_item = new ItemSpec;
+	m_selected_item->listname = "main";
+	m_selected_item->i = 3;*/
 }
 
 GUIInventoryMenu::~GUIInventoryMenu()
 {
+	if(m_selected_item)
+		delete m_selected_item;
 }
 
 void GUIInventoryMenu::resizeGui()
@@ -149,19 +108,90 @@ void GUIInventoryMenu::resizeGui()
 		return;
 	m_screensize_old = screensize;
 
+	padding = v2s32(24,24);
+	spacing = v2s32(60,56);
+	imgsize = v2s32(48,48);
+
+	v2s32 size(
+		padding.X*2+spacing.X*(8-1)+imgsize.X,
+		padding.Y*2+spacing.Y*(7-1)+imgsize.Y
+	);
+
 	core::rect<s32> rect(
-			screensize.X/2 - 560/2,
-			screensize.Y/2 - 480/2,
-			screensize.X/2 + 560/2,
-			screensize.Y/2 + 480/2
+			screensize.X/2 - size.X/2,
+			screensize.Y/2 - size.Y/2,
+			screensize.X/2 + size.X/2,
+			screensize.Y/2 + size.Y/2
 	);
 	
 	DesiredRect = rect;
 	recalculateAbsolutePosition(false);
+
+	v2s32 basepos = getBasePos();
+	
+	m_draw_positions.clear();
+	m_draw_positions.push_back(ListDrawSpec("main",
+			basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
+	m_draw_positions.push_back(ListDrawSpec("craft",
+			basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
+	m_draw_positions.push_back(ListDrawSpec("craftresult",
+			basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
+}
+
+GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
+{
+	core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
+	
+	for(u32 i=0; i<m_draw_positions.size(); i++)
+	{
+		const ListDrawSpec &s = m_draw_positions[i];
+
+		for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
+		{
+			s32 x = (i%s.geom.X) * spacing.X;
+			s32 y = (i/s.geom.X) * spacing.Y;
+			v2s32 p0(x,y);
+			core::rect<s32> rect = imgrect + s.pos + p0;
+			if(rect.isPointInside(p))
+			{
+				return ItemSpec(s.listname, i);
+			}
+		}
+	}
+
+	return ItemSpec("", -1);
 }
 
-void GUIInventoryMenu::update()
+//void GUIInventoryMenu::drawList(const std::string &name, v2s32 pos, v2s32 geom)
+void GUIInventoryMenu::drawList(const ListDrawSpec &s)
 {
+	video::IVideoDriver* driver = Environment->getVideoDriver();
+
+	InventoryList *ilist = m_inventory->getList(s.listname);
+	
+	core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
+
+	for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
+	{
+		s32 x = (i%s.geom.X) * spacing.X;
+		s32 y = (i/s.geom.X) * spacing.Y;
+		v2s32 p(x,y);
+		core::rect<s32> rect = imgrect + s.pos + p;
+		InventoryItem *item = NULL;
+		if(ilist)
+			item = ilist->getItem(i);
+
+		if(m_selected_item != NULL && m_selected_item->listname == s.listname
+				&& m_selected_item->i == i)
+		{
+			driver->draw2DRectangle(video::SColor(255,255,0,0),
+					core::rect<s32>(rect.UpperLeftCorner - v2s32(2,2),
+							rect.LowerRightCorner + v2s32(2,2)),
+							&AbsoluteClippingRect);
+		}
+		drawInventoryItem(Environment, item,
+				rect, &AbsoluteClippingRect);
+	}
 }
 
 void GUIInventoryMenu::draw()
@@ -181,42 +211,10 @@ void GUIInventoryMenu::draw()
 		Draw items
 	*/
 	
+	for(u32 i=0; i<m_draw_positions.size(); i++)
 	{
-		InventoryList *ilist = m_inventory->getList("main");
-		if(ilist != NULL)
-		{
-			core::rect<s32> imgsize(0,0,48,48);
-			v2s32 basepos(30, 210);
-			basepos += AbsoluteRect.UpperLeftCorner;
-			for(s32 i=0; i<PLAYER_INVENTORY_SIZE; i++)
-			{
-				s32 x = (i%8) * 64;
-				s32 y = (i/8) * 64;
-				v2s32 p(x,y);
-				core::rect<s32> rect = imgsize + basepos + p;
-				drawInventoryItem(Environment, ilist->getItem(i),
-						rect, &AbsoluteClippingRect);
-			}
-		}
-	}
-
-	{
-		InventoryList *ilist = m_inventory->getList("craft");
-		if(ilist != NULL)
-		{
-			core::rect<s32> imgsize(0,0,48,48);
-			v2s32 basepos(30, 30);
-			basepos += AbsoluteRect.UpperLeftCorner;
-			for(s32 i=0; i<9; i++)
-			{
-				s32 x = (i%3) * 64;
-				s32 y = (i/3) * 64;
-				v2s32 p(x,y);
-				core::rect<s32> rect = imgsize + basepos + p;
-				drawInventoryItem(Environment, ilist->getItem(i),
-						rect, &AbsoluteClippingRect);
-			}
-		}
+		ListDrawSpec &s = m_draw_positions[i];
+		drawList(s);
 	}
 
 	/*
@@ -244,6 +242,54 @@ bool GUIInventoryMenu::OnEvent(const SEvent& event)
 	{
 		if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 		{
+			v2s32 p(event.MouseInput.X, event.MouseInput.Y);
+			//dstream<<"Mouse down at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
+			ItemSpec s = getItemAtPos(p);
+			if(s.isValid())
+			{
+				//dstream<<"Mouse down on "<<s.listname<<" "<<s.i<<std::endl;
+				if(m_selected_item)
+				{
+					InventoryList *list_from =
+							m_inventory->getList(m_selected_item->listname);
+					InventoryList *list_to =
+							m_inventory->getList(s.listname);
+					if(list_from && list_to
+							&& list_from->getItem(m_selected_item->i) != NULL)
+					{
+						dstream<<"Queueing IACTION_MOVE"<<std::endl;
+						IMoveAction *a =
+							new IMoveAction();
+						a->count = 1;
+						a->from_name = m_selected_item->listname;
+						a->from_i = m_selected_item->i;
+						a->to_name = s.listname;
+						a->to_i = s.i;
+						m_actions.push_back(a);
+					}
+					delete m_selected_item;
+					m_selected_item = NULL;
+				}
+				else
+				{
+					/*
+						Select if non-NULL
+					*/
+					InventoryList *list = m_inventory->getList(s.listname);
+					if(list->getItem(s.i) != NULL)
+					{
+						m_selected_item = new ItemSpec(s);
+					}
+				}
+			}
+			else
+			{
+				if(m_selected_item)
+				{
+					delete m_selected_item;
+					m_selected_item = NULL;
+				}
+			}
 		}
 	}
 	if(event.EventType==EET_GUI_EVENT)
@@ -276,4 +322,11 @@ bool GUIInventoryMenu::OnEvent(const SEvent& event)
 	return Parent ? Parent->OnEvent(event) : false;
 }
 
+InventoryAction* GUIInventoryMenu::getNextAction()
+{
+	if(m_actions.size() == 0)
+		return NULL;
+	return m_actions.pop_front();
+}
+
 
diff --git a/src/guiInventoryMenu.h b/src/guiInventoryMenu.h
index b581a116..0032ce66 100644
--- a/src/guiInventoryMenu.h
+++ b/src/guiInventoryMenu.h
@@ -23,32 +23,51 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "common_irrlicht.h"
 #include "inventory.h"
+#include "utility.h"
 
 void drawInventoryItem(gui::IGUIEnvironment* env,
 		InventoryItem *item, core::rect<s32> rect,
 		const core::rect<s32> *clip=0);
 
-class GUIInventorySlot: public gui::IGUIElement
+class GUIInventoryMenu : public gui::IGUIElement
 {
-public:
-	GUIInventorySlot(gui::IGUIEnvironment* env,
-			gui::IGUIElement* parent, s32 id, core::rect<s32> rect);
-	
-	void setItem(InventoryItem *item)
+	struct ItemSpec
 	{
-		m_item = item;
-	}
-
-	void draw();
-
-	bool OnEvent(const SEvent& event);
-
-private:
-	InventoryItem *m_item;
-};
+		ItemSpec()
+		{
+			i = -1;
+		}
+		ItemSpec(const std::string &a_name, s32 a_i)
+		{
+			listname = a_name;
+			i = a_i;
+		}
+		bool isValid() const
+		{
+			return i != -1;
+		}
+
+		std::string listname;
+		s32 i;
+	};
+
+	struct ListDrawSpec
+	{
+		ListDrawSpec()
+		{
+		}
+		ListDrawSpec(const std::string &a_name, v2s32 a_pos, v2s32 a_geom)
+		{
+			listname = a_name;
+			pos = a_pos;
+			geom = a_geom;
+		}
+
+		std::string listname;
+		v2s32 pos;
+		v2s32 geom;
+	};
 
-class GUIInventoryMenu : public gui::IGUIElement
-{
 public:
 	GUIInventoryMenu(gui::IGUIEnvironment* env,
 			gui::IGUIElement* parent, s32 id,
@@ -59,11 +78,9 @@ public:
 		Remove and re-add (or reposition) stuff
 	*/
 	void resizeGui();
-
-	// Updates stuff from inventory to screen
-	// TODO: Remove, not used
-	void update();
-
+	
+	ItemSpec getItemAtPos(v2s32 p) const;
+	void drawList(const ListDrawSpec &s);
 	void draw();
 
 	void launch()
@@ -79,9 +96,28 @@ public:
 
 	bool OnEvent(const SEvent& event);
 	
+	// Actions returned by this are sent to the server.
+	// Server replies by updating the inventory.
+	InventoryAction* getNextAction();
+	
 private:
+	v2s32 getBasePos() const
+	{
+		return padding + AbsoluteRect.UpperLeftCorner;
+	}
+
+	v2s32 padding;
+	v2s32 spacing;
+	v2s32 imgsize;
+
+	core::array<ListDrawSpec> m_draw_positions;
+
 	Inventory *m_inventory;
 	v2u32 m_screensize_old;
+
+	ItemSpec *m_selected_item;
+	
+	Queue<InventoryAction*> m_actions;
 };
 
 #endif
diff --git a/src/guiPauseMenu.cpp b/src/guiPauseMenu.cpp
index 73e406e1..b8f0473e 100644
--- a/src/guiPauseMenu.cpp
+++ b/src/guiPauseMenu.cpp
@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "guiPauseMenu.h"
 #include "debug.h"
+#include "serialization.h"
 
 GUIPauseMenu::GUIPauseMenu(gui::IGUIEnvironment* env,
 		gui::IGUIElement* parent, s32 id,
@@ -49,6 +50,9 @@ void GUIPauseMenu::resizeGui()
 		return;
 	m_screensize_old = screensize;
 
+	/*
+		Remove stuff
+	*/
 	{
 		gui::IGUIElement *e = getElementFromId(256);
 		if(e != NULL)
@@ -59,11 +63,21 @@ void GUIPauseMenu::resizeGui()
 		if(e != NULL)
 			e->remove();
 	}
+	{
+		gui::IGUIElement *e = getElementFromId(258);
+		if(e != NULL)
+			e->remove();
+	}
+	{
+		gui::IGUIElement *e = getElementFromId(259);
+		if(e != NULL)
+			e->remove();
+	}
 
 	core::rect<s32> rect(
-			screensize.X/2 - 560/2,
+			screensize.X/2 - 580/2,
 			screensize.Y/2 - 300/2,
-			screensize.X/2 + 560/2,
+			screensize.X/2 + 580/2,
 			screensize.Y/2 + 300/2
 	);
 	
@@ -72,6 +86,9 @@ void GUIPauseMenu::resizeGui()
 
 	v2s32 size = rect.getSize();
 
+	/*
+		Add stuff
+	*/
 	{
 		core::rect<s32> rect(0, 0, 140, 30);
 		rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2-25);
@@ -82,6 +99,34 @@ void GUIPauseMenu::resizeGui()
 		rect = rect + v2s32(size.X/2-140/2, size.Y/2-30/2+25);
 		Environment->addButton(rect, this, 257, L"Exit");
 	}
+	{
+		core::rect<s32> rect(0, 0, 180, 220);
+		rect = rect + v2s32(size.X/2 + 90, size.Y/2-rect.getHeight()/2);
+		const wchar_t *text =
+		L"Keys:\n"
+		L"- WASD: Walk\n"
+		L"- Mouse left: dig blocks\n"
+		L"- Mouse right: place blocks\n"
+		L"- Mouse wheel: select item\n"
+		L"- R: Toggle viewing all loaded chunks\n"
+		L"- I: Inventory menu\n"
+		L"- ESC: This menu\n"
+		L"\n"
+		L"To generate a new map, remove the map directory.\n";
+		Environment->addStaticText(text, rect, false, true, this, 258);
+	}
+	{
+		core::rect<s32> rect(0, 0, 180, 220);
+		rect = rect + v2s32(size.X/2 - 90 - rect.getWidth(), size.Y/2-rect.getHeight()/2);
+		wchar_t text[200];
+		swprintf(text, 200,
+				L"Minetest-c55\n"
+				L"SER_FMT_VER_HIGHEST=%i",
+				(int)SER_FMT_VER_HIGHEST
+		);
+	
+		Environment->addStaticText(text, rect, false, true, this, 259);
+	}
 }
 
 void GUIPauseMenu::draw()
diff --git a/src/inventory.cpp b/src/inventory.cpp
index 069355af..073477dd 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -348,6 +348,71 @@ bool InventoryList::addItem(InventoryItem *newitem)
 	return false;
 }
 
+bool InventoryList::addItem(u32 i, InventoryItem *newitem)
+{
+	// If it is an empty position, it's an easy job.
+	InventoryItem *item = m_items[i];
+	if(item == NULL)
+	{
+		m_items[i] = newitem;
+		return true;
+	}
+
+	// If it is a material item, try to 
+	if(std::string("MaterialItem") == newitem->getName())
+	{
+		u8 material = ((MaterialItem*)newitem)->getMaterial();
+		u8 count = ((MaterialItem*)newitem)->getCount();
+		InventoryItem *item2 = m_items[i];
+
+		if(item2 != NULL
+			&& std::string("MaterialItem") == item2->getName())
+		{
+			// Check if it is of the right material and has free space
+			MaterialItem *mitem2 = (MaterialItem*)item2;
+			if(mitem2->getMaterial() == material
+					&& mitem2->freeSpace() >= count)
+			{
+				// Add to the counter
+				mitem2->add(count);
+				// Dump the parameter
+				delete newitem;
+				// Done
+				return true;
+			}
+		}
+	}
+	
+	return false;
+}
+
+void InventoryList::decrementMaterials(u16 count)
+{
+	for(u32 i=0; i<m_items.size(); i++)
+	{
+		InventoryItem *item = m_items[i];
+		if(item == NULL)
+			continue;
+		if(std::string("MaterialItem") == item->getName())
+		{
+			MaterialItem *mitem = (MaterialItem*)item;
+			if(mitem->getCount() < count)
+			{
+				dstream<<__FUNCTION_NAME<<": decrementMaterials():"
+						<<" too small material count"<<std::endl;
+			}
+			else if(mitem->getCount() == count)
+			{
+				deleteItem(i);
+			}
+			else
+			{
+				mitem->remove(1);
+			}
+		}
+	}
+}
+
 void InventoryList::print(std::ostream &o)
 {
 	o<<"InventoryList:"<<std::endl;
@@ -487,5 +552,60 @@ s32 Inventory::getListIndex(const std::string &name)
 	return -1;
 }
 
+/*
+	InventoryAction
+*/
+
+InventoryAction * InventoryAction::deSerialize(std::istream &is)
+{
+	std::string type;
+	std::getline(is, type, ' ');
+
+	InventoryAction *a = NULL;
+
+	if(type == "Move")
+	{
+		a = new IMoveAction(is);
+	}
+
+	return a;
+}
+
+void IMoveAction::apply(Inventory *inventory)
+{
+	/*dstream<<"from_name="<<from_name<<" to_name="<<to_name<<std::endl;
+	dstream<<"from_i="<<from_i<<" to_i="<<to_i<<std::endl;*/
+	InventoryList *list_from = inventory->getList(from_name);
+	InventoryList *list_to = inventory->getList(to_name);
+	/*dstream<<"list_from="<<list_from<<" list_to="<<list_to
+			<<std::endl;*/
+	/*if(list_from)
+		dstream<<" list_from->getItem(from_i)="<<list_from->getItem(from_i)
+				<<std::endl;
+	if(list_to)
+		dstream<<" list_to->getItem(to_i)="<<list_to->getItem(to_i)
+				<<std::endl;*/
+	
+	if(!list_from || !list_to || list_from->getItem(from_i) == NULL
+			|| (list_from == list_to && from_i == to_i))
+	{
+		dstream<<__FUNCTION_NAME<<": Operation not allowed"<<std::endl;
+		return;
+	}
+	
+	// Take item from source list
+	InventoryItem *item1 = list_from->changeItem(from_i, NULL);
+	// Try to add the item to destination list
+	if(list_to->addItem(to_i, item1))
+	{
+		// Done.
+		return;
+	}
+	// Adding was not possible, switch it.
+	// Switch it to the destination list
+	InventoryItem *item2 = list_to->changeItem(to_i, item1);
+	// Put item from destination list to the source list
+	list_from->changeItem(from_i, item2);
+}
 	
 //END
diff --git a/src/inventory.h b/src/inventory.h
index d37761cf..ad3b297e 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -213,12 +213,20 @@ public:
 	// Count used slots
 	u32 getUsedSlots();
 	
+	// Get pointer to item
 	InventoryItem * getItem(u32 i);
 	// Returns old item (or NULL). Parameter can be NULL.
 	InventoryItem * changeItem(u32 i, InventoryItem *newitem);
+	// Delete item
 	void deleteItem(u32 i);
 	// Adds an item to a suitable place. Returns false if failed.
 	bool addItem(InventoryItem *newitem);
+	// If possible, adds item to given slot. Returns true on success.
+	// Fails when slot is populated by a different kind of item.
+	bool addItem(u32 i, InventoryItem *newitem);
+
+	// Decrements amount of every material item
+	void decrementMaterials(u16 count);
 
 	void print(std::ostream &o);
 	
@@ -261,5 +269,66 @@ private:
 	core::array<InventoryList*> m_lists;
 };
 
+#define IACTION_MOVE 0
+
+struct InventoryAction
+{
+	static InventoryAction * deSerialize(std::istream &is);
+	
+	virtual u16 getType() const = 0;
+	virtual void serialize(std::ostream &os) = 0;
+	virtual void apply(Inventory *inventory) = 0;
+};
+
+struct IMoveAction : public InventoryAction
+{
+	u16 count;
+	std::string from_name;
+	s16 from_i;
+	std::string to_name;
+	s16 to_i;
+	
+	IMoveAction()
+	{
+		count = 0;
+		from_i = -1;
+		to_i = -1;
+	}
+	IMoveAction(std::istream &is)
+	{
+		std::string ts;
+
+		std::getline(is, ts, ' ');
+		count = stoi(ts);
+
+		std::getline(is, from_name, ' ');
+
+		std::getline(is, ts, ' ');
+		from_i = stoi(ts);
+
+		std::getline(is, to_name, ' ');
+
+		std::getline(is, ts, ' ');
+		to_i = stoi(ts);
+	}
+
+	u16 getType() const
+	{
+		return IACTION_MOVE;
+	}
+
+	void serialize(std::ostream &os)
+	{
+		os<<"Move ";
+		os<<count<<" ";
+		os<<from_name<<" ";
+		os<<from_i<<" ";
+		os<<to_name<<" ";
+		os<<to_i;
+	}
+
+	void apply(Inventory *inventory);
+};
+
 #endif
 
diff --git a/src/main.cpp b/src/main.cpp
index 7fecbe3b..cbca1df3 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2304,7 +2304,16 @@ int main(int argc, char *argv[])
 			client.getLocalInventory(local_inventory);
 			quick_inventory->setSelection(g_selected_item);
 			quick_inventory->update();
-			inventoryMenu->update();
+		}
+		
+		/*
+			Send actions returned by the inventory menu
+		*/
+		while(InventoryAction *a = inventoryMenu->getNextAction())
+		{
+			client.sendInventoryAction(a);
+			// Eat it
+			delete a;
 		}
 
 		if(input_guitext != NULL)
diff --git a/src/map.cpp b/src/map.cpp
index 839efbf5..700312fb 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1947,11 +1947,10 @@ MapBlock * ServerMap::emergeBlock(
 		Add some minerals
 	*/
 
-	//if(is_underground)
 	if(some_part_underground)
 	{
 		s16 underground_level = (lowest_ground_y/MAP_BLOCKSIZE - block_y)+1;
-		for(s16 i=0; i<underground_level*3; i++)
+		for(s16 i=0; i<underground_level*1; i++)
 		{
 			if(rand()%2 == 0)
 			{
@@ -1978,6 +1977,36 @@ MapBlock * ServerMap::emergeBlock(
 				}
 			}
 		}
+
+		if(rand()%3 == 0)
+		{
+			for(s16 i=0; i<20; i++)
+			{
+				v3s16 cp(
+					(rand()%(MAP_BLOCKSIZE-2))+1,
+					(rand()%(MAP_BLOCKSIZE-2))+1,
+					(rand()%(MAP_BLOCKSIZE-2))+1
+				);
+
+				MapNode n;
+				n.d = CONTENT_COALSTONE;
+
+				//dstream<<"Adding coalstone"<<std::endl;
+				
+				//if(is_ground_content(block->getNode(cp).d))
+				if(block->getNode(cp).d == CONTENT_STONE)
+					if(rand()%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_26dirs[i]).d == CONTENT_STONE)
+						if(rand()%8 == 0)
+							block->setNode(cp+g_26dirs[i], n);
+				}
+			}
+		}
 	}
 	
 	/*
diff --git a/src/mapnode.cpp b/src/mapnode.cpp
index c41560ee..a8e9f07f 100644
--- a/src/mapnode.cpp
+++ b/src/mapnode.cpp
@@ -42,6 +42,7 @@ u16 g_content_tiles[USEFUL_CONTENT_COUNT][6] =
 	{TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD,TILE_MUD},
 	{TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER,TILE_WATER},
 	{TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD,TILE_CLOUD},
+	{TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE,TILE_COALSTONE},
 };
 
 const char * g_content_inventory_textures[USEFUL_CONTENT_COUNT] =
@@ -57,5 +58,6 @@ const char * g_content_inventory_textures[USEFUL_CONTENT_COUNT] =
 	"../data/mud.png",
 	"../data/water.png",
 	"../data/cloud.png",
+	"../data/coalstone.png",
 };
 
diff --git a/src/mapnode.h b/src/mapnode.h
index f52bd52e..20634bf7 100644
--- a/src/mapnode.h
+++ b/src/mapnode.h
@@ -76,6 +76,7 @@ enum Content
 	CONTENT_MUD,
 	CONTENT_OCEAN,
 	CONTENT_CLOUD,
+	CONTENT_COALSTONE,
 	
 	// This is set to the number of the actual values in this enum
 	USEFUL_CONTENT_COUNT
diff --git a/src/player.cpp b/src/player.cpp
index e6caff03..ef09fae6 100644
--- a/src/player.cpp
+++ b/src/player.cpp
@@ -36,6 +36,7 @@ Player::Player():
 	updateName("<not set>");
 	inventory.addList("main", PLAYER_INVENTORY_SIZE);
 	inventory.addList("craft", 9);
+	inventory.addList("craftresult", 1);
 }
 
 Player::~Player()
diff --git a/src/server.cpp b/src/server.cpp
index 9952cb8e..ddef11ae 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -2027,6 +2027,79 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 
 		obj->getBlock()->setChangedFlag();
 	}
+	else if(command == TOSERVER_INVENTORY_ACTION)
+	{
+		// Ignore inventory changes if in creative mode
+		if(g_settings.getBool("creative_mode") == true)
+		{
+			dstream<<"TOSERVER_INVENTORY_ACTION: ignoring in creative mode"
+					<<std::endl;
+			return;
+		}
+		// Strip command and create a stream
+		std::string datastring((char*)&data[2], datasize-2);
+		dstream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
+		std::istringstream is(datastring, std::ios_base::binary);
+		// Create an action
+		InventoryAction *a = InventoryAction::deSerialize(is);
+		if(a != NULL)
+		{
+			/*
+				Handle craftresult specially
+			*/
+			bool disable_action = false;
+			if(a->getType() == IACTION_MOVE)
+			{
+				IMoveAction *ma = (IMoveAction*)a;
+				// Don't allow moving anything to craftresult
+				if(ma->to_name == "craftresult")
+				{
+					// Do nothing
+					disable_action = true;
+				}
+				// When something is removed from craftresult
+				if(ma->from_name == "craftresult")
+				{
+					disable_action = true;
+					// Remove stuff from craft
+					InventoryList *clist = player->inventory.getList("craft");
+					if(clist)
+					{
+						clist->decrementMaterials(ma->count);
+					}
+					// Do action
+					// Feed action to player inventory
+					a->apply(&player->inventory);
+					// Eat it
+					delete a;
+					// If something appeared in craftresult, throw it
+					// in the main list
+					InventoryList *rlist = player->inventory.getList("craftresult");
+					InventoryList *mlist = player->inventory.getList("main");
+					if(rlist && mlist && rlist->getUsedSlots() == 1)
+					{
+						InventoryItem *item1 = rlist->changeItem(0, NULL);
+						mlist->addItem(item1);
+					}
+				}
+			}
+			if(disable_action == false)
+			{
+				// Feed action to player inventory
+				a->apply(&player->inventory);
+				// Eat it
+				delete a;
+			}
+			// Send inventory
+			SendInventory(player->peer_id);
+		}
+		else
+		{
+			dstream<<"TOSERVER_INVENTORY_ACTION: "
+					<<"InventoryAction::deSerialize() returned NULL"
+					<<std::endl;
+		}
+	}
 	else
 	{
 		derr_server<<"WARNING: Server::ProcessData(): Ignoring "
@@ -2215,9 +2288,9 @@ void Server::peerAdded(con::Peer *peer)
 		}
 		else
 		{
-			// Give some lights
+			/*// Give some lights
 			{
-				InventoryItem *item = new MaterialItem(3, 999);
+				InventoryItem *item = new MaterialItem(CONTENT_TORCH, 999);
 				bool r = player->inventory.addItem("main", item);
 				assert(r == true);
 			}
@@ -2227,11 +2300,10 @@ void Server::peerAdded(con::Peer *peer)
 				InventoryItem *item = new MapBlockObjectItem("Sign Example text");
 				bool r = player->inventory.addItem("main", item);
 				assert(r == true);
-			}
-			/*// and some rats
-			for(u16 i=0; i<4; i++)
+			}*/
+			/*// Give some other stuff
 			{
-				InventoryItem *item = new MapBlockObjectItem("Rat");
+				InventoryItem *item = new MaterialItem(CONTENT_TREE, 999);
 				bool r = player->inventory.addItem("main", item);
 				assert(r == true);
 			}*/
@@ -2333,6 +2405,54 @@ void Server::SendInventory(u16 peer_id)
 	
 	Player* player = m_env.getPlayer(peer_id);
 
+	/*
+		Calculate crafting stuff
+	*/
+
+	InventoryList *clist = player->inventory.getList("craft");
+	InventoryList *rlist = player->inventory.getList("craftresult");
+	if(rlist)
+	{
+		//rlist->clearItems();
+	}
+	if(clist && rlist)
+	{
+		InventoryItem *items[9];
+		for(u16 i=0; i<9; i++)
+		{
+			items[i] = clist->getItem(i);
+		}
+		// Sign
+		if(clist->getUsedSlots() == 1 && items[0])
+		{
+			if((std::string)items[0]->getName() == "MaterialItem")
+			{
+				MaterialItem *mitem = (MaterialItem*)items[0];
+				if(mitem->getMaterial() == CONTENT_TREE)
+				{
+					rlist->addItem(new MapBlockObjectItem("Sign"));
+				}
+			}
+		}
+		// Torch
+		if(clist->getUsedSlots() == 2 && items[0] && items[3])
+		{
+			if(
+				   (std::string)items[0]->getName() == "MaterialItem"
+				&& ((MaterialItem*)items[0])->getMaterial() == CONTENT_COALSTONE
+				&& (std::string)items[3]->getName() == "MaterialItem"
+				&& ((MaterialItem*)items[3])->getMaterial() == CONTENT_TREE
+			)
+			{
+				rlist->addItem(new MaterialItem(CONTENT_TORCH, 4));
+			}
+		}
+	}
+
+	/*
+		Serialize it
+	*/
+
 	std::ostringstream os;
 	//os.imbue(std::locale("C"));
 
diff --git a/src/strfnd.h b/src/strfnd.h
index bbd0fa1e..2be92d43 100644
--- a/src/strfnd.h
+++ b/src/strfnd.h
@@ -22,7 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include <string>
 
-std::string trim(std::string str);
+std::string trim(const std::string &str);
 
 class Strfnd{
     std::string tek;
@@ -74,8 +74,9 @@ public:
     }
 };
 
-inline std::string trim(std::string str)
+inline std::string trim(const std::string &s)
 {
+	std::string str = s;
     while( 
             str.length()>0
             &&
diff --git a/src/tile.cpp b/src/tile.cpp
index f2b131f4..25d9c00d 100644
--- a/src/tile.cpp
+++ b/src/tile.cpp
@@ -35,6 +35,7 @@ const char * g_tile_texture_paths[TILES_COUNT] =
 	"../data/tree_top.png",
 	"../data/mud_with_grass.png",
 	"../data/cloud.png",
+	"../data/coalstone.png",
 };
 
 const char * tile_texture_path_get(u32 i)
diff --git a/src/tile.h b/src/tile.h
index 68e87a77..9823160c 100644
--- a/src/tile.h
+++ b/src/tile.h
@@ -39,6 +39,7 @@ enum TileID
 	TILE_TREE_TOP,
 	TILE_MUD_WITH_GRASS,
 	TILE_CLOUD,
+	TILE_COALSTONE,
 	
 	// Count of tile ids
 	TILES_COUNT
diff --git a/src/utility.h b/src/utility.h
index 484b5828..4e2e132e 100644
--- a/src/utility.h
+++ b/src/utility.h
@@ -595,25 +595,28 @@ inline float wrapDegrees(float f)
 	return f;
 }
 
-inline std::string lowercase(std::string s)
+inline std::string lowercase(const std::string &s)
 {
+	std::string s2;
 	for(size_t i=0; i<s.size(); i++)
 	{
-		if(s[i] >= 'A' && s[i] <= 'Z')
-			s[i] -= 'A' - 'a';
+		char c = s[i];
+		if(c >= 'A' && c <= 'Z')
+			c -= 'A' - 'a';
+		s2 += c;
 	}
-	return s;
+	return s2;
 }
 
-inline bool is_yes(std::string s)
+inline bool is_yes(const std::string &s)
 {
-	s = lowercase(trim(s));
-	if(s == "y" || s == "yes" || s == "true")
+	std::string s2 = lowercase(trim(s));
+	if(s2 == "y" || s2 == "yes" || s2 == "true")
 		return true;
 	return false;
 }
 
-inline s32 stoi(std::string s, s32 min, s32 max)
+inline s32 stoi(const std::string &s, s32 min, s32 max)
 {
 	s32 i = atoi(s.c_str());
 	if(i < min)
@@ -1067,7 +1070,39 @@ private:
 };
 
 /*
-	A thread-safe queue
+	FIFO queue
+*/
+template<typename T>
+class Queue
+{
+public:
+	void push_back(T t)
+	{
+		m_list.push_back(t);
+	}
+	
+	T pop_front()
+	{
+		if(m_list.size() == 0)
+			throw ItemNotFoundException("MutexedQueue: queue is empty");
+
+		typename core::list<T>::Iterator begin = m_list.begin();
+		T t = *begin;
+		m_list.erase(begin);
+		return t;
+	}
+
+	u32 size()
+	{
+		return m_list.size();
+	}
+
+protected:
+	core::list<T> m_list;
+};
+
+/*
+	Thread-safe FIFO queue
 */
 
 template<typename T>