1 files changed, 321 insertions, 0 deletions
diff --git a/src/content_nodemeta.cpp b/src/content_nodemeta.cpp
new file mode 100644
index 000000000..681e2b925
--- /dev/null
+++ b/src/content_nodemeta.cpp
@@ -0,0 +1,321 @@
+/*
+Minetest-c55
+Copyright (C) 2010-2011 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.
+*/
+
+#include "content_nodemeta.h"
+#include "inventory.h"
+#include "content_mapnode.h"
+
+/*
+	SignNodeMetadata
+*/
+
+// Prototype
+SignNodeMetadata proto_SignNodeMetadata("");
+
+SignNodeMetadata::SignNodeMetadata(std::string text):
+	m_text(text)
+{
+	NodeMetadata::registerType(typeId(), create);
+}
+u16 SignNodeMetadata::typeId() const
+{
+	return CONTENT_SIGN_WALL;
+}
+NodeMetadata* SignNodeMetadata::create(std::istream &is)
+{
+	std::string text = deSerializeString(is);
+	return new SignNodeMetadata(text);
+}
+NodeMetadata* SignNodeMetadata::clone()
+{
+	return new SignNodeMetadata(m_text);
+}
+void SignNodeMetadata::serializeBody(std::ostream &os)
+{
+	os<<serializeString(m_text);
+}
+std::string SignNodeMetadata::infoText()
+{
+	return std::string("\"")+m_text+"\"";
+}
+
+/*
+	ChestNodeMetadata
+*/
+
+// Prototype
+ChestNodeMetadata proto_ChestNodeMetadata;
+
+ChestNodeMetadata::ChestNodeMetadata()
+{
+	NodeMetadata::registerType(typeId(), create);
+	
+	m_inventory = new Inventory();
+	m_inventory->addList("0", 8*4);
+}
+ChestNodeMetadata::~ChestNodeMetadata()
+{
+	delete m_inventory;
+}
+u16 ChestNodeMetadata::typeId() const
+{
+	return CONTENT_CHEST;
+}
+NodeMetadata* ChestNodeMetadata::create(std::istream &is)
+{
+	ChestNodeMetadata *d = new ChestNodeMetadata();
+	d->m_inventory->deSerialize(is);
+	return d;
+}
+NodeMetadata* ChestNodeMetadata::clone()
+{
+	ChestNodeMetadata *d = new ChestNodeMetadata();
+	*d->m_inventory = *m_inventory;
+	return d;
+}
+void ChestNodeMetadata::serializeBody(std::ostream &os)
+{
+	m_inventory->serialize(os);
+}
+std::string ChestNodeMetadata::infoText()
+{
+	return "Chest";
+}
+bool ChestNodeMetadata::nodeRemovalDisabled()
+{
+	/*
+		Disable removal if chest contains something
+	*/
+	InventoryList *list = m_inventory->getList("0");
+	if(list == NULL)
+		return false;
+	if(list->getUsedSlots() == 0)
+		return false;
+	return true;
+}
+std::string ChestNodeMetadata::getInventoryDrawSpecString()
+{
+	return
+		"invsize[8,9;]"
+		"list[current_name;0;0,0;8,4;]"
+		"list[current_player;main;0,5;8,4;]";
+}
+
+/*
+	FurnaceNodeMetadata
+*/
+
+// Prototype
+FurnaceNodeMetadata proto_FurnaceNodeMetadata;
+
+FurnaceNodeMetadata::FurnaceNodeMetadata()
+{
+	NodeMetadata::registerType(typeId(), create);
+	
+	m_inventory = new Inventory();
+	m_inventory->addList("fuel", 1);
+	m_inventory->addList("src", 1);
+	m_inventory->addList("dst", 4);
+
+	m_step_accumulator = 0;
+	m_fuel_totaltime = 0;
+	m_fuel_time = 0;
+	m_src_totaltime = 0;
+	m_src_time = 0;
+}
+FurnaceNodeMetadata::~FurnaceNodeMetadata()
+{
+	delete m_inventory;
+}
+u16 FurnaceNodeMetadata::typeId() const
+{
+	return CONTENT_FURNACE;
+}
+NodeMetadata* FurnaceNodeMetadata::clone()
+{
+	FurnaceNodeMetadata *d = new FurnaceNodeMetadata();
+	*d->m_inventory = *m_inventory;
+	return d;
+}
+NodeMetadata* FurnaceNodeMetadata::create(std::istream &is)
+{
+	FurnaceNodeMetadata *d = new FurnaceNodeMetadata();
+
+	d->m_inventory->deSerialize(is);
+
+	int temp;
+	is>>temp;
+	d->m_fuel_totaltime = (float)temp/10;
+	is>>temp;
+	d->m_fuel_time = (float)temp/10;
+
+	return d;
+}
+void FurnaceNodeMetadata::serializeBody(std::ostream &os)
+{
+	m_inventory->serialize(os);
+	os<<itos(m_fuel_totaltime*10)<<" ";
+	os<<itos(m_fuel_time*10)<<" ";
+}
+std::string FurnaceNodeMetadata::infoText()
+{
+	//return "Furnace";
+	if(m_fuel_time >= m_fuel_totaltime)
+	{
+		InventoryList *src_list = m_inventory->getList("src");
+		assert(src_list);
+		InventoryItem *src_item = src_list->getItem(0);
+
+		if(src_item)
+			return "Furnace is out of fuel";
+		else
+			return "Furnace is inactive";
+	}
+	else
+	{
+		std::string s = "Furnace is active (";
+		s += itos(m_fuel_time/m_fuel_totaltime*100);
+		s += "%)";
+		return s;
+	}
+}
+void FurnaceNodeMetadata::inventoryModified()
+{
+	dstream<<"Furnace inventory modification callback"<<std::endl;
+}
+bool FurnaceNodeMetadata::step(float dtime)
+{
+	if(dtime > 60.0)
+		dstream<<"Furnace stepping a long time ("<<dtime<<")"<<std::endl;
+	// Update at a fixed frequency
+	const float interval = 2.0;
+	m_step_accumulator += dtime;
+	bool changed = false;
+	while(m_step_accumulator > interval)
+	{
+		m_step_accumulator -= interval;
+		dtime = interval;
+
+		//dstream<<"Furnace step dtime="<<dtime<<std::endl;
+		
+		InventoryList *dst_list = m_inventory->getList("dst");
+		assert(dst_list);
+
+		InventoryList *src_list = m_inventory->getList("src");
+		assert(src_list);
+		InventoryItem *src_item = src_list->getItem(0);
+		
+		// Start only if there are free slots in dst, so that it can
+		// accomodate any result item
+		if(dst_list->getFreeSlots() > 0 && src_item && src_item->isCookable())
+		{
+			m_src_totaltime = 3;
+		}
+		else
+		{
+			m_src_time = 0;
+			m_src_totaltime = 0;
+		}
+		
+		/*
+			If fuel is burning, increment the burn counters.
+			If item finishes cooking, move it to result.
+		*/
+		if(m_fuel_time < m_fuel_totaltime)
+		{
+			//dstream<<"Furnace is active"<<std::endl;
+			m_fuel_time += dtime;
+			m_src_time += dtime;
+			if(m_src_time >= m_src_totaltime && m_src_totaltime > 0.001
+					&& src_item)
+			{
+				InventoryItem *cookresult = src_item->createCookResult();
+				dst_list->addItem(cookresult);
+				src_list->decrementMaterials(1);
+				m_src_time = 0;
+				m_src_totaltime = 0;
+			}
+			changed = true;
+			continue;
+		}
+		
+		/*
+			If there is no source item or source item is not cookable, stop loop.
+		*/
+		if(src_item == NULL || m_src_totaltime < 0.001)
+		{
+			m_step_accumulator = 0;
+			break;
+		}
+		
+		//dstream<<"Furnace is out of fuel"<<std::endl;
+
+		InventoryList *fuel_list = m_inventory->getList("fuel");
+		assert(fuel_list);
+		InventoryItem *fuel_item = fuel_list->getItem(0);
+
+		if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(fuel_item))
+		{
+			m_fuel_totaltime = 30;
+			m_fuel_time = 0;
+			fuel_list->decrementMaterials(1);
+			changed = true;
+		}
+		else if(ItemSpec(ITEM_MATERIAL, CONTENT_WOOD).checkItem(fuel_item))
+		{
+			m_fuel_totaltime = 30/4;
+			m_fuel_time = 0;
+			fuel_list->decrementMaterials(1);
+			changed = true;
+		}
+		else if(ItemSpec(ITEM_CRAFT, "Stick").checkItem(fuel_item))
+		{
+			m_fuel_totaltime = 30/4/4;
+			m_fuel_time = 0;
+			fuel_list->decrementMaterials(1);
+			changed = true;
+		}
+		else if(ItemSpec(ITEM_CRAFT, "lump_of_coal").checkItem(fuel_item))
+		{
+			m_fuel_totaltime = 40;
+			m_fuel_time = 0;
+			fuel_list->decrementMaterials(1);
+			changed = true;
+		}
+		else
+		{
+			//dstream<<"No fuel found"<<std::endl;
+			// No fuel, stop loop.
+			m_step_accumulator = 0;
+			break;
+		}
+	}
+	return changed;
+}
+std::string FurnaceNodeMetadata::getInventoryDrawSpecString()
+{
+	return
+		"invsize[8,9;]"
+		"list[current_name;fuel;2,3;1,1;]"
+		"list[current_name;src;2,1;1,1;]"
+		"list[current_name;dst;5,1;2,2;]"
+		"list[current_player;main;0,5;8,4;]";
+}
+
+