minetest/src/content_nodemeta.cpp

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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;
}
std::string ChestNodeMetadata::getInventoryDrawSpecString()
{
return
"invsize[8,9;]"
"list[current_name;0;0,0;8,4;]"
"list[current_player;main;0,5;8,4;]";
}
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/*
LockingChestNodeMetadata
*/
// Prototype
LockingChestNodeMetadata proto_LockingChestNodeMetadata;
LockingChestNodeMetadata::LockingChestNodeMetadata()
{
NodeMetadata::registerType(typeId(), create);
m_inventory = new Inventory();
m_inventory->addList("0", 8*4);
}
LockingChestNodeMetadata::~LockingChestNodeMetadata()
{
delete m_inventory;
}
u16 LockingChestNodeMetadata::typeId() const
{
return CONTENT_LOCKABLE_CHEST;
}
NodeMetadata* LockingChestNodeMetadata::create(std::istream &is)
{
LockingChestNodeMetadata *d = new LockingChestNodeMetadata();
d->setOwner(deSerializeString(is));
d->m_inventory->deSerialize(is);
return d;
}
NodeMetadata* LockingChestNodeMetadata::clone()
{
LockingChestNodeMetadata *d = new LockingChestNodeMetadata();
*d->m_inventory = *m_inventory;
return d;
}
void LockingChestNodeMetadata::serializeBody(std::ostream &os)
{
os<<serializeString(m_text);
m_inventory->serialize(os);
}
std::string LockingChestNodeMetadata::infoText()
{
return "Locking Chest";
}
bool LockingChestNodeMetadata::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 LockingChestNodeMetadata::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)
{
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const InventoryList *src_list = m_inventory->getList("src");
assert(src_list);
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const InventoryItem *src_item = src_list->getItem(0);
if(src_item && src_item->isCookable()) {
InventoryList *dst_list = m_inventory->getList("dst");
if(!dst_list->roomForCookedItem(src_item))
return "Furnace is overloaded";
return "Furnace is out of fuel";
}
else
return "Furnace is inactive";
}
else
{
std::string s = "Furnace is active";
// Do this so it doesn't always show (0%) for weak fuel
if(m_fuel_totaltime > 3) {
s += " (";
s += itos(m_fuel_time/m_fuel_totaltime*100);
s += "%)";
}
return s;
}
}
bool FurnaceNodeMetadata::nodeRemovalDisabled()
{
/*
Disable removal if furnace is not empty
*/
InventoryList *list[3] = {m_inventory->getList("src"),
m_inventory->getList("dst"), m_inventory->getList("fuel")};
for(int i = 0; i < 3; i++) {
if(list[i] == NULL)
continue;
if(list[i]->getUsedSlots() == 0)
continue;
return true;
}
return false;
}
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);
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InventoryItem *src_item = src_list->getItem(0);
bool room_available = false;
if(src_item && src_item->isCookable())
room_available = dst_list->roomForCookedItem(src_item);
// Start only if there are free slots in dst, so that it can
// accomodate any result item
if(room_available)
{
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;
// If the fuel was not used up this step, just keep burning it
if(m_fuel_time < m_fuel_totaltime)
continue;
}
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/*
Get the source again in case it has all burned
*/
src_item = src_list->getItem(0);
/*
If there is no source item, or the source item is not cookable,
or the furnace is still cooking, or the furnace became overloaded, stop loop.
*/
if(src_item == NULL || !room_available || m_fuel_time < m_fuel_totaltime ||
dst_list->roomForCookedItem(src_item) == false)
{
m_step_accumulator = 0;
break;
}
//dstream<<"Furnace is out of fuel"<<std::endl;
InventoryList *fuel_list = m_inventory->getList("fuel");
assert(fuel_list);
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const 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;
}
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else if(ItemSpec(ITEM_MATERIAL, CONTENT_JUNGLETREE).checkItem(fuel_item))
{
m_fuel_totaltime = 30;
m_fuel_time = 0;
fuel_list->decrementMaterials(1);
changed = true;
}
else if(ItemSpec(ITEM_MATERIAL, CONTENT_FENCE).checkItem(fuel_item))
{
m_fuel_totaltime = 30/2;
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;
}
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else if(ItemSpec(ITEM_MATERIAL, CONTENT_BOOKSHELF).checkItem(fuel_item))
{
m_fuel_totaltime = 30/4;
m_fuel_time = 0;
fuel_list->decrementMaterials(1);
changed = true;
}
else if(ItemSpec(ITEM_MATERIAL, CONTENT_LEAVES).checkItem(fuel_item))
{
m_fuel_totaltime = 30/16;
m_fuel_time = 0;
fuel_list->decrementMaterials(1);
changed = true;
}
else if(ItemSpec(ITEM_MATERIAL, CONTENT_PAPYRUS).checkItem(fuel_item))
{
m_fuel_totaltime = 30/32;
m_fuel_time = 0;
fuel_list->decrementMaterials(1);
changed = true;
}
else if(ItemSpec(ITEM_MATERIAL, CONTENT_JUNGLEGRASS).checkItem(fuel_item))
{
m_fuel_totaltime = 30/32;
m_fuel_time = 0;
fuel_list->decrementMaterials(1);
changed = true;
}
else if(ItemSpec(ITEM_MATERIAL, CONTENT_CACTUS).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;]"
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"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;]";
}