Add InventoryList width property & allow custom crafting grids.

doc/lua_api.txt

@@ -1118,6 +1118,8 @@ methods:
 - is_empty(listname): return true if list is empty
 - get_size(listname): get size of a list
 - set_size(listname, size): set size of a list
+- get_width(listname): get width of a list
+- set_width(listname, width): set width of list; currently used for crafting
 - get_stack(listname, i): get a copy of stack index i in list
 - set_stack(listname, i, stack): copy stack to index i in list
 - get_list(listname): return full list

src/inventory.cpp

@@ -431,6 +431,7 @@ InventoryList::InventoryList(std::string name, u32 size, IItemDefManager *itemde
 {
 	m_name = name;
 	m_size = size;
+	m_width = 0;
 	m_itemdef = itemdef;
 	clearItems();
 	//m_dirty = false;
@@ -459,6 +460,11 @@ void InventoryList::setSize(u32 newsize)
 	m_size = newsize;
 }
 
+void InventoryList::setWidth(u32 newwidth)
+{
+	m_width = newwidth;
+}
+
 void InventoryList::setName(const std::string &name)
 {
 	m_name = name;
@@ -468,6 +474,8 @@ void InventoryList::serialize(std::ostream &os) const
 {
 	//os.imbue(std::locale("C"));
 	
+	os<<"Width "<<m_width<<"\n";
+
 	for(u32 i=0; i<m_items.size(); i++)
 	{
 		const ItemStack &item = m_items[i];
@@ -492,6 +500,7 @@ void InventoryList::deSerialize(std::istream &is)
 
 	clearItems();
 	u32 item_i = 0;
+	m_width = 0;
 
 	for(;;)
 	{
@@ -513,6 +522,12 @@ void InventoryList::deSerialize(std::istream &is)
 		{
 			break;
 		}
+		else if(name == "Width")
+		{
+			iss >> m_width;
+			if (iss.fail())
+				throw SerializationError("incorrect width property");
+		}
 		else if(name == "Item")
 		{
 			if(item_i > getSize() - 1)
@@ -543,6 +558,7 @@ InventoryList & InventoryList::operator = (const InventoryList &other)
 {
 	m_items = other.m_items;
 	m_size = other.m_size;
+	m_width = other.m_width;
 	m_name = other.m_name;
 	m_itemdef = other.m_itemdef;
 	//setDirty(true);
@@ -560,6 +576,11 @@ u32 InventoryList::getSize() const
 	return m_items.size();
 }
 
+u32 InventoryList::getWidth() const
+{
+	return m_width;
+}
+
 u32 InventoryList::getUsedSlots() const
 {
 	u32 num = 0;

src/inventory.h

@@ -176,6 +176,7 @@ public:
 	~InventoryList();
 	void clearItems();
 	void setSize(u32 newsize);
+	void setWidth(u32 newWidth);
 	void setName(const std::string &name);
 	void serialize(std::ostream &os) const;
 	void deSerialize(std::istream &is);
@@ -185,6 +186,7 @@ public:
 
 	const std::string &getName() const;
 	u32 getSize() const;
+	u32 getWidth() const;
 	// Count used slots
 	u32 getUsedSlots() const;
 	u32 getFreeSlots() const;
@@ -240,7 +242,7 @@ public:
 
 private:
 	std::vector<ItemStack> m_items;
-	u32 m_size;
+	u32 m_size, m_width;
 	std::string m_name;
 	IItemDefManager *m_itemdef;
 };

src/inventorymanager.cpp

@@ -769,18 +769,16 @@ bool getCraftingResult(Inventory *inv, ItemStack& result,
 	
 	result.clear();
 
-	// TODO: Allow different sizes of crafting grids
-
 	// Get the InventoryList in which we will operate
 	InventoryList *clist = inv->getList("craft");
-	if(!clist || clist->getSize() != 9)
+	if(!clist)
 		return false;
 
 	// Mangle crafting grid to an another format
 	CraftInput ci;
 	ci.method = CRAFT_METHOD_NORMAL;
-	ci.width = 3;
-	for(u16 i=0; i<9; i++)
+	ci.width = clist->getWidth() ? clist->getWidth() : 3;
+	for(u16 i=0; i<clist->getSize(); i++)
 		ci.items.push_back(clist->getItem(i));
 
 	// Find out what is crafted and add it to result item slot
@@ -793,7 +791,7 @@ bool getCraftingResult(Inventory *inv, ItemStack& result,
 	if(found && decrementInput)
 	{
 		// CraftInput has been changed, apply changes in clist
-		for(u16 i=0; i<9; i++)
+		for(u16 i=0; i<clist->getSize(); i++)
 		{
 			clist->changeItem(i, ci.items[i]);
 		}

src/player.cpp

@@ -45,7 +45,8 @@ Player::Player(IGameDef *gamedef):
 	updateName("<not set>");
 	inventory.clear();
 	inventory.addList("main", PLAYER_INVENTORY_SIZE);
-	inventory.addList("craft", 9);
+	InventoryList *craft = inventory.addList("craft", 9);
+	craft->setWidth(3);
 	inventory.addList("craftpreview", 1);
 	inventory.addList("craftresult", 1);
 

src/scriptapi.cpp

@@ -1847,6 +1847,20 @@ private:
 		return 1;
 	}
 
+	// get_width(self, listname)
+	static int l_get_width(lua_State *L)
+	{
+		InvRef *ref = checkobject(L, 1);
+		const char *listname = luaL_checkstring(L, 2);
+		InventoryList *list = getlist(L, ref, listname);
+		if(list){
+			lua_pushinteger(L, list->getWidth());
+		} else {
+			lua_pushinteger(L, 0);
+		}
+		return 1;
+	}
+
 	// set_size(self, listname, size)
 	static int l_set_size(lua_State *L)
 	{
@@ -1869,6 +1883,23 @@ private:
 		return 0;
 	}
 
+	// set_width(self, listname, size)
+	static int l_set_width(lua_State *L)
+	{
+		InvRef *ref = checkobject(L, 1);
+		const char *listname = luaL_checkstring(L, 2);
+		int newwidth = luaL_checknumber(L, 3);
+		Inventory *inv = getinv(L, ref);
+		InventoryList *list = inv->getList(listname);
+		if(list){
+			list->setWidth(newwidth);
+		} else {
+			return 0;
+		}
+		reportInventoryChange(L, ref);
+		return 0;
+	}
+
 	// get_stack(self, listname, i) -> itemstack
 	static int l_get_stack(lua_State *L)
 	{
@@ -2062,6 +2093,8 @@ const luaL_reg InvRef::methods[] = {
 	method(InvRef, is_empty),
 	method(InvRef, get_size),
 	method(InvRef, set_size),
+	method(InvRef, get_width),
+	method(InvRef, set_width),
 	method(InvRef, get_stack),
 	method(InvRef, set_stack),
 	method(InvRef, get_list),

src/test.cpp

@@ -698,6 +698,7 @@ struct TestInventory: public TestBase
 	{
 		std::string serialized_inventory =
 		"List 0 32\n"
+		"Width 3\n"
 		"Empty\n"
 		"Empty\n"
 		"Empty\n"
@@ -735,6 +736,7 @@ struct TestInventory: public TestBase
 		
 		std::string serialized_inventory_2 =
 		"List main 32\n"
+		"Width 5\n"
 		"Empty\n"
 		"Empty\n"
 		"Empty\n"
@@ -778,6 +780,8 @@ struct TestInventory: public TestBase
 		inv.getList("0")->setName("main");
 		UASSERT(!inv.getList("0"));
 		UASSERT(inv.getList("main"));
+		UASSERT(inv.getList("main")->getWidth() == 3);
+		inv.getList("main")->setWidth(5);
 		std::ostringstream inv_os(std::ios::binary);
 		inv.serialize(inv_os);
 		UASSERT(inv_os.str() == serialized_inventory_2);