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/*
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;
}
/*
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;
}
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