Fixed some problems with crafting and inventory

src/inventory.cpp

@@ -278,6 +278,7 @@ InventoryList::InventoryList(std::string name, u32 size)
 	m_name = name;
 	m_size = size;
 	clearItems();
+	//m_dirty = false;
 }
 
 InventoryList::~InventoryList()
@@ -303,6 +304,8 @@ void InventoryList::clearItems()
 	{
 		m_items.push_back(NULL);
 	}
+
+	//setDirty(true);
 }
 
 void InventoryList::serialize(std::ostream &os)
@@ -396,6 +399,7 @@ InventoryList & InventoryList::operator = (const InventoryList &other)
 			m_items[i] = item->clone();
 		}
 	}
+	//setDirty(true);
 
 	return *this;
 }
@@ -440,6 +444,7 @@ InventoryItem * InventoryList::changeItem(u32 i, InventoryItem *newitem)
 
 	InventoryItem *olditem = m_items[i];
 	m_items[i] = newitem;
+	//setDirty(true);
 	return olditem;
 }
 
@@ -493,6 +498,8 @@ InventoryItem * InventoryList::addItem(u32 i, InventoryItem *newitem)
 	if(newitem == NULL)
 		return NULL;
 	
+	//setDirty(true);
+	
 	// If it is an empty position, it's an easy job.
 	InventoryItem *to_item = m_items[i];
 	if(to_item == NULL)
@@ -550,6 +557,8 @@ InventoryItem * InventoryList::takeItem(u32 i, u32 count)
 	if(count == 0)
 		return NULL;
 	
+	//setDirty(true);
+
 	InventoryItem *item = m_items[i];
 	// If it is an empty position, return NULL
 	if(item == NULL)

src/inventory.h

@@ -456,6 +456,9 @@ public:
 	u32 getUsedSlots();
 	u32 getFreeSlots();
 
+	/*bool getDirty(){ return m_dirty; }
+	void setDirty(bool dirty=true){ m_dirty = dirty; }*/
+	
 	// Get pointer to item
 	InventoryItem * getItem(u32 i);
 	// Returns old item (or NULL). Parameter can be NULL.
@@ -490,6 +493,7 @@ private:
 	core::array<InventoryItem*> m_items;
 	u32 m_size;
 	std::string m_name;
+	//bool m_dirty;
 };
 
 class Inventory

src/player.cpp

@@ -32,6 +32,7 @@ Player::Player():
 	in_water(false),
 	in_water_stable(false),
 	swimming_up(false),
+	craftresult_is_preview(true),
 	peer_id(PEER_ID_INEXISTENT),
 	m_pitch(0),
 	m_yaw(0),
@@ -100,6 +101,7 @@ void Player::serialize(std::ostream &os)
 	args.setFloat("pitch", m_pitch);
 	args.setFloat("yaw", m_yaw);
 	args.setV3F("position", m_position);
+	args.setBool("craftresult_is_preview", craftresult_is_preview);
 
 	args.writeLines(os);
 
@@ -131,6 +133,11 @@ void Player::deSerialize(std::istream &is)
 	m_pitch = args.getFloat("pitch");
 	m_yaw = args.getFloat("yaw");
 	m_position = args.getV3F("position");
+	try{
+		craftresult_is_preview = args.getBool("craftresult_is_preview");
+	}catch(SettingNotFoundException &e){
+		craftresult_is_preview = true;
+	}
 
 	inventory.deSerialize(is);
 }

src/player.h

@@ -122,6 +122,8 @@ public:
 	
 	Inventory inventory;
 
+	bool craftresult_is_preview;
+
 	u16 peer_id;
 
 protected:

src/server.cpp

@@ -2649,48 +2649,54 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 				if(ma->to_inv == "current_player" &&
 						ma->from_inv == "current_player")
 				{
-					// Don't allow moving anything to craftresult
-					if(ma->to_list == "craftresult")
-					{
-						// Do nothing
-						disable_action = true;
-					}
-					// When something is removed from craftresult
-					if(ma->from_list == "craftresult")
-					{
-						disable_action = true;
-						// Remove stuff from craft
-						InventoryList *clist = player->inventory.getList("craft");
-						if(clist)
-						{
-							u16 count = ma->count;
-							if(count == 0)
-								count = 1;
-							clist->decrementMaterials(count);
-						}
-						// Do action
-						// Feed action to player inventory
-						//a->apply(&player->inventory);
-						a->apply(&c, this);
-						// Eat it
-						delete a;
-						// If something appeared in craftresult, throw it
-						// in the main list
 					InventoryList *rlist = player->inventory.getList("craftresult");
+					assert(rlist);
+					InventoryList *clist = player->inventory.getList("craft");
+					assert(clist);
 					InventoryList *mlist = player->inventory.getList("main");
-						if(rlist && mlist && rlist->getUsedSlots() == 1)
+					assert(mlist);
+					/*
+						Craftresult is no longer preview if something
+						is moved into it
+					*/
+					if(ma->to_list == "craftresult"
+							&& ma->from_list != "craftresult")
 					{
+						// If it currently is a preview, remove
+						// its contents
+						if(player->craftresult_is_preview)
+						{
+							rlist->deleteItem(0);
+						}
+						player->craftresult_is_preview = false;
+					}
+					/*
+						Crafting takes place if this condition is true.
+					*/
+					if(player->craftresult_is_preview &&
+							ma->from_list == "craftresult")
+					{
+						player->craftresult_is_preview = false;
+						clist->decrementMaterials(1);
+					}
+					/*
+						If the craftresult is placed on itself, move it to
+						main inventory instead of doing the action
+					*/
+					if(ma->to_list == "craftresult"
+							&& ma->from_list == "craftresult")
+					{
+						disable_action = true;
+						
 						InventoryItem *item1 = rlist->changeItem(0, NULL);
 						mlist->addItem(item1);
 					}
 				}
 			}
-			}
 			
 			if(disable_action == false)
 			{
 				// Feed action to player inventory
-				//a->apply(&player->inventory);
 				a->apply(&c, this);
 				// Eat the action
 				delete a;
@@ -3066,6 +3072,7 @@ void Server::SendInventory(u16 peer_id)
 	DSTACK(__FUNCTION_NAME);
 	
 	Player* player = m_env.getPlayer(peer_id);
+	assert(player);
 
 	/*
 		Calculate crafting stuff
@@ -3074,11 +3081,15 @@ void Server::SendInventory(u16 peer_id)
 	{
 		InventoryList *clist = player->inventory.getList("craft");
 		InventoryList *rlist = player->inventory.getList("craftresult");
-		if(rlist)
+
+		if(rlist->getUsedSlots() == 0)
+			player->craftresult_is_preview = true;
+
+		if(rlist && player->craftresult_is_preview)
 		{
 			rlist->clearItems();
 		}
-		if(clist && rlist)
+		if(clist && rlist && player->craftresult_is_preview)
 		{
 			InventoryItem *items[9];
 			for(u16 i=0; i<9; i++)
@@ -3355,8 +3366,8 @@ void Server::SendInventory(u16 peer_id)
 					found = true;
 				}
 			}
-
 		}
+	
 	} // if creative_mode == false
 
 	/*

src/utility.h

@@ -1331,6 +1331,14 @@ public:
 		return value;
 	}
 
+	void setBool(std::string name, bool value)
+	{
+		if(value)
+			set(name, "true");
+		else
+			set(name, "false");
+	}
+
 	void setS32(std::string name, s32 value)
 	{
 		set(name, itos(value));