minecraft-like crafting

Makefile

@@ -1,7 +1,7 @@
 # Makefile for Irrlicht Examples
 # It's usually sufficient to change just the target name and source file list
 # and be sure that CXX is set to a valid compiler
-SOURCE_FILES = guiTextInputMenu.cpp guiInventoryMenu.cpp irrlichtwrapper.cpp guiPauseMenu.cpp defaultsettings.cpp mapnode.cpp tile.cpp voxel.cpp mapblockobject.cpp inventory.cpp debug.cpp serialization.cpp light.cpp filesys.cpp connection.cpp environment.cpp client.cpp server.cpp socket.cpp mapblock.cpp mapsector.cpp heightmap.cpp map.cpp player.cpp utility.cpp main.cpp test.cpp
+SOURCE_FILES = materials.cpp guiTextInputMenu.cpp guiInventoryMenu.cpp irrlichtwrapper.cpp guiPauseMenu.cpp defaultsettings.cpp mapnode.cpp tile.cpp voxel.cpp mapblockobject.cpp inventory.cpp debug.cpp serialization.cpp light.cpp filesys.cpp connection.cpp environment.cpp client.cpp server.cpp socket.cpp mapblock.cpp mapsector.cpp heightmap.cpp map.cpp player.cpp utility.cpp main.cpp test.cpp
 
 DEBUG_TARGET = debugtest
 DEBUG_SOURCES = $(addprefix src/, $(SOURCE_FILES))
@@ -14,7 +14,7 @@ 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_SOURCE_FILES = materials.cpp 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))

src/inventory.h

@@ -390,6 +390,20 @@ public:
 	{
 		return m_wear;
 	}
+	// Returns true if weared out
+	bool addWear(u16 add)
+	{
+		if(m_wear >= 65535 - add)
+		{
+			m_wear = 65535;
+			return true;
+		}
+		else
+		{
+			m_wear += add;
+			return false;
+		}
+	}
 private:
 	std::string m_toolname;
 	u16 m_wear;

src/main.cpp

@@ -167,6 +167,8 @@ TODO: Better handling of objects and mobs
 	  - Make separate classes for client and server
 	    - Client should not discriminate between blocks, server should
 	    - Make other players utilize the same framework
+		- This is also needed for objects that don't get sent to client
+		  but are used for triggers etc
 
 TODO: Draw big amounts of torches better (that is, throw them in the
       same meshbuffer (can the meshcollector class be used?))
@@ -174,6 +176,9 @@ TODO: Draw big amounts of torches better (that is, throw them in the
 TODO: Check if the usage of Client::isFetchingBlocks() in
       updateViewingRange() actually does something
 
+TODO: Make an option to the server to disable building and digging near
+      the starting position
+
 Doing now:
 ======================================================================
 
@@ -239,6 +244,7 @@ TODO: Transferring of the table from server to client
 #include "guiPauseMenu.h"
 #include "guiInventoryMenu.h"
 #include "guiTextInputMenu.h"
+#include "materials.h"
 
 IrrlichtWrapper *g_irrlicht;
 
@@ -1022,6 +1028,22 @@ private:
 	s32 m_selection;
 };
 
+// Chat data
+struct ChatLine
+{
+	ChatLine():
+		age(0.0)
+	{
+	}
+	ChatLine(const std::wstring &a_text):
+		age(0.0),
+		text(a_text)
+	{
+	}
+	float age;
+	std::wstring text;
+};
+
 int main(int argc, char *argv[])
 {
 	/*
@@ -1040,6 +1062,8 @@ int main(int argc, char *argv[])
 
 	DSTACK(__FUNCTION_NAME);
 	
+	initializeMaterialProperties();
+
 	try
 	{
 	
@@ -1541,8 +1565,7 @@ int main(int argc, char *argv[])
 			L"Chat here\nOther line\nOther line\nOther line\nOther line",
 			core::rect<s32>(70, 60, 795, 150),
 			false, true);
-	core::list<std::wstring> chat_lines;
+	core::list<ChatLine> chat_lines;
-	//chat_lines.push_back(L"Minetest-c55 up and running!");
 	
 	/*
 		Some statistics are collected in these
@@ -2103,12 +2126,8 @@ int main(int argc, char *argv[])
 				{
 					MapNode n = client.getNode(nodepos);
 				
-					// TODO: Get this from some table that is sent by server
+					// Get tool name. Default is "" = bare hands
-					float dig_time_complete = 0.5;
+					std::string toolname = "";
-					if(n.d == CONTENT_STONE || n.d == CONTENT_COALSTONE)
-					{
-						dig_time_complete = 10.0;
-
 					InventoryList *mlist = local_inventory.getList("main");
 					if(mlist != NULL)
 					{
@@ -2116,20 +2135,28 @@ int main(int argc, char *argv[])
 						if(item && (std::string)item->getName() == "ToolItem")
 						{
 							ToolItem *titem = (ToolItem*)item;
-								if(titem->getToolName() == "WPick")
+							toolname = titem->getToolName();
+						}
+					}
+
+					// Get digging properties for material and tool
+					u8 material = n.d;
+					DiggingProperties prop =
+							getDiggingProperties(material, toolname);
+					
+					float dig_time_complete = 0.0;
+
+					if(prop.diggable == false)
 					{
-									dig_time_complete = 1.2;
+						/*dstream<<"Material "<<(int)material
+								<<" not diggable with \""
+								<<toolname<<"\""<<std::endl;*/
+						// I guess nobody will wait for this long
+						dig_time_complete = 10000000.0;
 					}
-								else if(titem->getToolName() == "STPick")
+					else
 					{
-									dig_time_complete = 0.6;
+						dig_time_complete = prop.time;
-								}
-							}
-						}
-					}
-					else if(n.d == CONTENT_TORCH)
-					{
-						dig_time_complete = 0.0;
 					}
 					
 					if(dig_time_complete >= 0.001)
@@ -2305,14 +2332,14 @@ int main(int argc, char *argv[])
 			Get chat messages from client
 		*/
 		{
-			// Get messages
+			// Get new messages
 			std::wstring message;
 			while(client.getChatMessage(message))
 			{
-				chat_lines.push_back(message);
+				chat_lines.push_back(ChatLine(message));
-				if(chat_lines.size() > 5)
+				if(chat_lines.size() > 7)
 				{
-					core::list<std::wstring>::Iterator
+					core::list<ChatLine>::Iterator
 							i = chat_lines.begin();
 					chat_lines.erase(i);
 				}
@@ -2320,11 +2347,24 @@ int main(int argc, char *argv[])
 			// Append them to form the whole static text and throw
 			// it to the gui element
 			std::wstring whole;
-			for(core::list<std::wstring>::Iterator
+			u16 to_be_removed_count = 0;
+			for(core::list<ChatLine>::Iterator
 					i = chat_lines.begin();
 					i != chat_lines.end(); i++)
 			{
-				whole += (*i) + L'\n';
+				(*i).age += dtime;
+				if((*i).age > 30.0)
+				{
+					to_be_removed_count++;
+					continue;
+				}
+				whole += (*i).text + L'\n';
+			}
+			for(u16 i=0; i<to_be_removed_count; i++)
+			{
+				core::list<ChatLine>::Iterator
+						i = chat_lines.begin();
+				chat_lines.erase(i);
 			}
 			chat_guitext->setText(whole.c_str());
 			// Update gui element size and position

src/mapnode.cpp

@@ -43,6 +43,7 @@ u16 g_content_tiles[USEFUL_CONTENT_COUNT][6] =
 	{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},
+	{TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD,TILE_WOOD},
 };
 
 const char * g_content_inventory_textures[USEFUL_CONTENT_COUNT] =
@@ -59,5 +60,6 @@ const char * g_content_inventory_textures[USEFUL_CONTENT_COUNT] =
 	"../data/water.png",
 	"../data/cloud.png",
 	"../data/coalstone.png",
+	"../data/wood.png",
 };
 

src/mapnode.h

@@ -77,6 +77,7 @@ enum Content
 	CONTENT_OCEAN,
 	CONTENT_CLOUD,
 	CONTENT_COALSTONE,
+	CONTENT_WOOD,
 	
 	// This is set to the number of the actual values in this enum
 	USEFUL_CONTENT_COUNT
@@ -96,6 +97,7 @@ inline bool light_propagates_content(u8 m)
 
 /*
 	If true, the material allows lossless sunlight propagation.
+	NOTE: It doesn't seem to go through torches regardlessly of this
 */
 inline bool sunlight_propagates_content(u8 m)
 {
@@ -153,14 +155,12 @@ inline bool content_buildable_to(u8 m)
 */
 inline bool is_ground_content(u8 m)
 {
-	return(
+	return (m != CONTENT_WATER
-		m == CONTENT_STONE ||
+		&& m != CONTENT_TORCH
-		m == CONTENT_GRASS ||
+		&& m != CONTENT_TREE
-		m == CONTENT_GRASS_FOOTSTEPS ||
+		&& m != CONTENT_LEAVES
-		m == CONTENT_MESE ||
+		&& m != CONTENT_OCEAN
-		m == CONTENT_MUD ||
+		&& m != CONTENT_CLOUD);
-		m == CONTENT_COALSTONE
-	);
 }
 
 inline bool is_mineral(u8 c)
@@ -169,12 +169,18 @@ inline bool is_mineral(u8 c)
 		|| c == CONTENT_COALSTONE);
 }
 
-/*inline bool content_has_faces(u8 c)
+inline bool liquid_replaces_content(u8 c)
 {
-	return (m != CONTENT_IGNORE
+	return (c == CONTENT_AIR || c == CONTENT_TORCH);
-	     && m != CONTENT_AIR
+}
-		 && m != 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.
@@ -201,19 +207,6 @@ inline u8 face_contents(u8 m1, u8 m2)
 		return 2;
 }
 
-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);
-}
-
 /*
 	Packs directions like (1,0,0), (1,-1,0)
 */

src/materials.cpp

@@ -0,0 +1,75 @@
+#include "materials.h"
+
+#define MATERIAL_PROPERTIES_COUNT 256
+
+// These correspond to the CONTENT_* constants
+MaterialProperties g_material_properties[MATERIAL_PROPERTIES_COUNT];
+
+bool g_material_properties_initialized = false;
+
+void setStoneLikeDiggingProperties(u8 material, float toughness)
+{
+	g_material_properties[material].setDiggingProperties("",
+			DiggingProperties(true, 15.0*toughness, 0));
+	g_material_properties[material].setDiggingProperties("WPick",
+			DiggingProperties(true, 2.0*toughness, 65535./20.*toughness));
+	g_material_properties[material].setDiggingProperties("STPick",
+			DiggingProperties(true, 1.0*toughness, 65535./50.*toughness));
+}
+
+void initializeMaterialProperties()
+{
+	/*
+		Now, the g_material_properties array is already initialized
+		by the constructors to such that no digging is possible.
+
+		Add some digging properties to them.
+	*/
+	
+	setStoneLikeDiggingProperties(CONTENT_STONE, 1.0);
+
+	g_material_properties[CONTENT_GRASS].setDiggingProperties("",
+			DiggingProperties(true, 0.5, 0));
+
+	g_material_properties[CONTENT_TORCH].setDiggingProperties("",
+			DiggingProperties(true, 0.0, 0));
+
+	g_material_properties[CONTENT_TREE].setDiggingProperties("",
+			DiggingProperties(true, 1.5, 0));
+
+	g_material_properties[CONTENT_LEAVES].setDiggingProperties("",
+			DiggingProperties(true, 0.5, 0));
+
+	g_material_properties[CONTENT_GRASS_FOOTSTEPS].setDiggingProperties("",
+			DiggingProperties(true, 0.5, 0));
+
+	setStoneLikeDiggingProperties(CONTENT_MESE, 0.5);
+
+	g_material_properties[CONTENT_MUD].setDiggingProperties("",
+			DiggingProperties(true, 0.5, 0));
+
+	setStoneLikeDiggingProperties(CONTENT_COALSTONE, 1.5);
+
+	g_material_properties[CONTENT_WOOD].setDiggingProperties("",
+			DiggingProperties(true, 1.0, 0));
+
+
+	g_material_properties_initialized = true;
+}
+
+MaterialProperties * getMaterialProperties(u8 material)
+{
+	assert(g_material_properties_initialized);
+	return &g_material_properties[material];
+}
+
+DiggingProperties getDiggingProperties(u8 material, const std::string &tool)
+{
+	MaterialProperties *mprop = getMaterialProperties(material);
+	if(mprop == NULL)
+		// Not diggable
+		return DiggingProperties();
+	
+	return mprop->getDiggingProperties(tool);
+}
+

src/materials.h

@@ -0,0 +1,98 @@
+/*
+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 MATERIALS_HEADER
+#define MATERIALS_HEADER
+
+/*
+	Material properties
+*/
+
+#include "common_irrlicht.h"
+#include "inventory.h"
+#include <string>
+
+struct DiggingProperties
+{
+	DiggingProperties():
+		diggable(false),
+		time(0.0),
+		wear(0)
+	{
+	}
+	DiggingProperties(bool a_diggable, float a_time, u16 a_wear):
+		diggable(a_diggable),
+		time(a_time),
+		wear(a_wear)
+	{
+	}
+	bool diggable;
+	// Digging time in seconds
+	float time;
+	// Caused wear
+	u16 wear;
+};
+
+class MaterialProperties
+{
+public:
+	MaterialProperties()
+	{
+		dstream<<__FUNCTION_NAME<<std::endl;
+	}
+
+	void setDiggingProperties(const std::string toolname,
+			const DiggingProperties &prop)
+	{
+		m_digging_properties[toolname] = prop;
+	}
+
+	DiggingProperties getDiggingProperties(const std::string toolname)
+	{
+		core::map<std::string, DiggingProperties>::Node *n;
+		n = m_digging_properties.find(toolname);
+		if(n == NULL)
+		{
+			// Not diggable by this tool, try to get defaults
+			n = m_digging_properties.find("");
+			if(n == NULL)
+			{
+				// Not diggable at all
+				return DiggingProperties();
+			}
+		}
+		// Return found properties
+		return n->getValue();
+	}
+
+private:
+	// toolname="": default properties (digging by hand)
+	// Key is toolname
+	core::map<std::string, DiggingProperties> m_digging_properties;
+};
+
+void initializeMaterialProperties();
+
+// Material correspond to the CONTENT_* constants
+MaterialProperties * getMaterialProperties(u8 material);
+// For getting the default properties, set tool=""
+DiggingProperties getDiggingProperties(u8 material, const std::string &tool);
+
+#endif
+

src/server.cpp

@@ -30,6 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "main.h"
 #include "constants.h"
 #include "voxel.h"
+#include "materials.h"
 
 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
 
@@ -1821,9 +1822,47 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 
 			if(g_settings.getBool("creative_mode") == false)
 			{
-				// Add to inventory and send inventory
+				/*
+					Wear out tool
+				*/
+				InventoryList *mlist = player->inventory.getList("main");
+				if(mlist != NULL)
+				{
+					InventoryItem *item = mlist->getItem(item_i);
+					if(item && (std::string)item->getName() == "ToolItem")
+					{
+						ToolItem *titem = (ToolItem*)item;
+						std::string toolname = titem->getToolName();
+
+						// Get digging properties for material and tool
+						DiggingProperties prop =
+								getDiggingProperties(material, toolname);
+
+						if(prop.diggable == false)
+						{
+							derr_server<<"Server: WARNING: Player digged"
+									<<" with impossible material + tool"
+									<<" combination"<<std::endl;
+						}
+						
+						bool weared_out = titem->addWear(prop.wear);
+
+						if(weared_out)
+						{
+							mlist->deleteItem(item_i);
+						}
+					}
+				}
+
+				/*
+					Add digged item to inventory
+				*/
 				InventoryItem *item = new MaterialItem(material, 1);
 				player->inventory.addItem("main", item);
+
+				/*
+					Send inventory
+				*/
 				SendInventory(player->peer_id);
 			}
 
@@ -2404,138 +2443,6 @@ void Server::peerAdded(con::Peer *peer)
 	c.peer_id = peer->id;
 	c.timeout = false;
 	m_peer_change_queue.push_back(c);
-
-#if 0
-	// NOTE: Connection is already locked when this is called.
-	// NOTE: Environment is already locked when this is called.
-	
-	// Error check
-	core::map<u16, RemoteClient*>::Node *n;
-	n = m_clients.find(peer->id);
-	// The client shouldn't already exist
-	assert(n == NULL);
-
-	// Create client
-	RemoteClient *client = new RemoteClient();
-	client->peer_id = peer->id;
-	m_clients.insert(client->peer_id, client);
-
-	// Create player
-	{
-		Player *player = m_env.getPlayer(peer->id);
-		
-		// The player shouldn't already exist
-		assert(player == NULL);
-
-		player = new ServerRemotePlayer();
-		player->peer_id = peer->id;
-
-		/*
-			Set player position
-		*/
-		
-		// We're going to throw the player to this position
-		//v2s16 nodepos(29990,29990);
-		//v2s16 nodepos(9990,9990);
-		v2s16 nodepos(0,0);
-		v2s16 sectorpos = getNodeSectorPos(nodepos);
-		// Get zero sector (it could have been unloaded to disk)
-		m_env.getMap().emergeSector(sectorpos);
-		// Get ground height at origin
-		f32 groundheight = m_env.getMap().getGroundHeight(nodepos, true);
-		// The sector should have been generated -> groundheight exists
-		assert(groundheight > GROUNDHEIGHT_VALID_MINVALUE);
-		// Don't go underwater
-		if(groundheight < WATER_LEVEL)
-			groundheight = WATER_LEVEL;
-
-		player->setPosition(intToFloat(v3s16(
-				nodepos.X,
-				groundheight + 1,
-				nodepos.Y
-		)));
-
-		/*
-			Add player to environment
-		*/
-
-		m_env.addPlayer(player);
-
-		/*
-			Add stuff to inventory
-		*/
-		
-		if(g_settings.getBool("creative_mode"))
-		{
-			// Give a good pick
-			{
-				InventoryItem *item = new ToolItem("STPick", 32000);
-				void* r = player->inventory.addItem("main", item);
-				assert(r == NULL);
-			}
-			// Give all materials
-			assert(USEFUL_CONTENT_COUNT <= PLAYER_INVENTORY_SIZE);
-			for(u16 i=0; i<USEFUL_CONTENT_COUNT; i++)
-			{
-				// Skip some materials
-				if(i == CONTENT_OCEAN)
-					continue;
-
-				InventoryItem *item = new MaterialItem(i, 1);
-				player->inventory.addItem("main", item);
-			}
-			// Sign
-			{
-				InventoryItem *item = new MapBlockObjectItem("Sign Example text");
-				void* r = player->inventory.addItem("main", item);
-				assert(r == NULL);
-			}
-			/*// Rat
-			{
-				InventoryItem *item = new MapBlockObjectItem("Rat");
-				bool r = player->inventory.addItem("main", item);
-				assert(r == true);
-			}*/
-		}
-		else
-		{
-			{
-				InventoryItem *item = new CraftItem("Stick", 4);
-				void* r = player->inventory.addItem("main", item);
-				assert(r == NULL);
-			}
-			{
-				InventoryItem *item = new ToolItem("WPick", 32000);
-				void* r = player->inventory.addItem("main", item);
-				assert(r == NULL);
-			}
-			{
-				InventoryItem *item = new ToolItem("STPick", 32000);
-				void* r = player->inventory.addItem("main", item);
-				assert(r == NULL);
-			}
-			/*// Give some lights
-			{
-				InventoryItem *item = new MaterialItem(CONTENT_TORCH, 999);
-				bool r = player->inventory.addItem("main", item);
-				assert(r == true);
-			}
-			// and some signs
-			for(u16 i=0; i<4; i++)
-			{
-				InventoryItem *item = new MapBlockObjectItem("Sign Example text");
-				bool r = player->inventory.addItem("main", item);
-				assert(r == true);
-			}*/
-			/*// Give some other stuff
-			{
-				InventoryItem *item = new MaterialItem(CONTENT_TREE, 999);
-				bool r = player->inventory.addItem("main", item);
-				assert(r == true);
-			}*/
-		}
-	}
-#endif
 }
 
 void Server::deletingPeer(con::Peer *peer, bool timeout)
@@ -2549,46 +2456,6 @@ void Server::deletingPeer(con::Peer *peer, bool timeout)
 	c.peer_id = peer->id;
 	c.timeout = timeout;
 	m_peer_change_queue.push_back(c);
-
-#if 0
-	// NOTE: Connection is already locked when this is called.
-
-	// NOTE: Environment is already locked when this is called.
-	// NOTE: Locking environment cannot be moved here because connection
-	//       is already locked and env has to be locked before
-
-	// Error check
-	core::map<u16, RemoteClient*>::Node *n;
-	n = m_clients.find(peer->id);
-	// The client should exist
-	assert(n != NULL);
-	
-	// Send information about leaving in chat
-	{
-		std::wstring name = L"unknown";
-		Player *player = m_env.getPlayer(peer->id);
-		if(player != NULL)
-			name = narrow_to_wide(player->getName());
-		
-		std::wstring message;
-		message += L"*** ";
-		message += name;
-		message += L" left game";
-		BroadcastChatMessage(message);
-	}
-
-	// Delete player
-	{
-		m_env.removePlayer(peer->id);
-	}
-	
-	// Delete client
-	delete m_clients[peer->id];
-	m_clients.remove(peer->id);
-
-	// Send player info to all clients
-	SendPlayerInfos();
-#endif
 }
 
 void Server::SendObjectData(float dtime)
@@ -2647,6 +2514,159 @@ void Server::SendPlayerInfos()
 	m_con.SendToAll(0, data, true);
 }
 
+enum ItemSpecType
+{
+	ITEM_NONE,
+	ITEM_MATERIAL,
+	ITEM_CRAFT,
+	ITEM_TOOL,
+	ITEM_MBO
+};
+
+struct ItemSpec
+{
+	ItemSpec():
+		type(ITEM_NONE)
+	{
+	}
+	ItemSpec(enum ItemSpecType a_type, std::string a_name):
+		type(a_type),
+		name(a_name),
+		num(65535)
+	{
+	}
+	ItemSpec(enum ItemSpecType a_type, u16 a_num):
+		type(a_type),
+		name(""),
+		num(a_num)
+	{
+	}
+	enum ItemSpecType type;
+	// Only other one of these is used
+	std::string name;
+	u16 num;
+};
+
+/*
+	items: a pointer to an array of 9 pointers to items
+	specs: a pointer to an array of 9 ItemSpecs
+*/
+bool checkItemCombination(InventoryItem **items, ItemSpec *specs)
+{
+	u16 items_min_x = 100;
+	u16 items_max_x = 100;
+	u16 items_min_y = 100;
+	u16 items_max_y = 100;
+	for(u16 y=0; y<3; y++)
+	for(u16 x=0; x<3; x++)
+	{
+		if(items[y*3 + x] == NULL)
+			continue;
+		if(items_min_x == 100 || x < items_min_x)
+			items_min_x = x;
+		if(items_min_y == 100 || y < items_min_y)
+			items_min_y = y;
+		if(items_max_x == 100 || x > items_max_x)
+			items_max_x = x;
+		if(items_max_y == 100 || y > items_max_y)
+			items_max_y = y;
+	}
+	// No items at all, just return false
+	if(items_min_x == 100)
+		return false;
+	
+	u16 items_w = items_max_x - items_min_x + 1;
+	u16 items_h = items_max_y - items_min_y + 1;
+
+	u16 specs_min_x = 100;
+	u16 specs_max_x = 100;
+	u16 specs_min_y = 100;
+	u16 specs_max_y = 100;
+	for(u16 y=0; y<3; y++)
+	for(u16 x=0; x<3; x++)
+	{
+		if(specs[y*3 + x].type == ITEM_NONE)
+			continue;
+		if(specs_min_x == 100 || x < specs_min_x)
+			specs_min_x = x;
+		if(specs_min_y == 100 || y < specs_min_y)
+			specs_min_y = y;
+		if(specs_max_x == 100 || x > specs_max_x)
+			specs_max_x = x;
+		if(specs_max_y == 100 || y > specs_max_y)
+			specs_max_y = y;
+	}
+	// No specs at all, just return false
+	if(specs_min_x == 100)
+		return false;
+
+	u16 specs_w = specs_max_x - specs_min_x + 1;
+	u16 specs_h = specs_max_y - specs_min_y + 1;
+
+	// Different sizes
+	if(items_w != specs_w || items_h != specs_h)
+		return false;
+
+	for(u16 y=0; y<specs_h; y++)
+	for(u16 x=0; x<specs_w; x++)
+	{
+		u16 items_x = items_min_x + x;
+		u16 items_y = items_min_y + y;
+		u16 specs_x = specs_min_x + x;
+		u16 specs_y = specs_min_y + y;
+		InventoryItem *item = items[items_y * 3 + items_x];
+		ItemSpec &spec = specs[specs_y * 3 + specs_x];
+		
+		if(spec.type == ITEM_NONE)
+		{
+			// Has to be no item
+			if(item != NULL)
+				return false;
+			continue;
+		}
+		
+		// There should be an item
+		if(item == NULL)
+			return false;
+
+		std::string itemname = item->getName();
+
+		if(spec.type == ITEM_MATERIAL)
+		{
+			if(itemname != "MaterialItem")
+				return false;
+			MaterialItem *mitem = (MaterialItem*)item;
+			if(mitem->getMaterial() != spec.num)
+				return false;
+		}
+		else if(spec.type == ITEM_CRAFT)
+		{
+			if(itemname != "CraftItem")
+				return false;
+			CraftItem *mitem = (CraftItem*)item;
+			if(mitem->getSubName() != spec.name)
+				return false;
+		}
+		else if(spec.type == ITEM_TOOL)
+		{
+			// Not supported yet
+			assert(0);
+		}
+		else if(spec.type == ITEM_MBO)
+		{
+			// Not supported yet
+			assert(0);
+		}
+		else
+		{
+			// Not supported yet
+			assert(0);
+		}
+	}
+
+	return true;
+}
+
 void Server::SendInventory(u16 peer_id)
 {
 	DSTACK(__FUNCTION_NAME);
@@ -2670,31 +2690,96 @@ void Server::SendInventory(u16 peer_id)
 		{
 			items[i] = clist->getItem(i);
 		}
+		
+		bool found = false;
+
+		// Wood
+		if(!found)
+		{
+			ItemSpec specs[9];
+			specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_TREE);
+			if(checkItemCombination(items, specs))
+			{
+				rlist->addItem(new MaterialItem(CONTENT_WOOD, 4));
+				found = true;
+			}
+		}
+
+		// Stick
+		if(!found)
+		{
+			ItemSpec specs[9];
+			specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			if(checkItemCombination(items, specs))
+			{
+				rlist->addItem(new CraftItem("Stick", 4));
+				found = true;
+			}
+		}
+
 		// Sign
-		if(clist->getUsedSlots() == 1 && items[0])
+		if(!found)
 		{
-			if((std::string)items[0]->getName() == "MaterialItem")
+			ItemSpec specs[9];
-			{
+			specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
-				MaterialItem *mitem = (MaterialItem*)items[0];
+			specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
-				if(mitem->getMaterial() == CONTENT_TREE)
+			specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			specs[4] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
+			if(checkItemCombination(items, specs))
 			{
 				rlist->addItem(new MapBlockObjectItem("Sign"));
+				found = true;
 			}
 		}
-		}
+
 		// Torch
-		if(clist->getUsedSlots() == 2 && items[0] && items[3])
+		if(!found)
 		{
-			if(
+			ItemSpec specs[9];
-				   (std::string)items[0]->getName() == "MaterialItem"
+			specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COALSTONE);
-				&& ((MaterialItem*)items[0])->getMaterial() == CONTENT_COALSTONE
+			specs[3] = ItemSpec(ITEM_CRAFT, "Stick");
-				&& (std::string)items[3]->getName() == "MaterialItem"
+			if(checkItemCombination(items, specs))
-				&& ((MaterialItem*)items[3])->getMaterial() == CONTENT_TREE
-			)
 			{
 				rlist->addItem(new MaterialItem(CONTENT_TORCH, 4));
+				found = true;
 			}
 		}
+
+		// Wooden pick
+		if(!found)
+		{
+			ItemSpec specs[9];
+			specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
+			specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
+			specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
+			if(checkItemCombination(items, specs))
+			{
+				rlist->addItem(new ToolItem("WPick", 0));
+				found = true;
+			}
+		}
+
+		// Stone pick
+		if(!found)
+		{
+			ItemSpec specs[9];
+			specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_STONE);
+			specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_STONE);
+			specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_STONE);
+			specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
+			specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
+			if(checkItemCombination(items, specs))
+			{
+				rlist->addItem(new ToolItem("STPick", 0));
+				found = true;
+			}
+		}
+
 	}
 
 	/*
@@ -2958,6 +3043,16 @@ void Server::handlePeerChange(PeerChange &c)
 			}
 			else
 			{
+				{
+					InventoryItem *item = new MaterialItem(CONTENT_COALSTONE, 6);
+					void* r = player->inventory.addItem("main", item);
+					assert(r == NULL);
+				}
+				{
+					InventoryItem *item = new MaterialItem(CONTENT_WOOD, 6);
+					void* r = player->inventory.addItem("main", item);
+					assert(r == NULL);
+				}
 				{
 					InventoryItem *item = new CraftItem("Stick", 4);
 					void* r = player->inventory.addItem("main", item);

src/servermain.cpp

@@ -123,6 +123,8 @@ int main(int argc, char *argv[])
 
 	DSTACK(__FUNCTION_NAME);
 
+	initializeMaterialProperties();
+
 	try
 	{
 	

src/tile.cpp

@@ -36,6 +36,7 @@ const char * g_tile_texture_paths[TILES_COUNT] =
 	"../data/mud_with_grass.png",
 	"../data/cloud.png",
 	"../data/coalstone.png",
+	"../data/wood.png",
 };
 
 const char * tile_texture_path_get(u32 i)

src/tile.h

@@ -40,6 +40,7 @@ enum TileID
 	TILE_MUD_WITH_GRASS,
 	TILE_CLOUD,
 	TILE_COALSTONE,
+	TILE_WOOD,
 	
 	// Count of tile ids
 	TILES_COUNT