#include "mapnode.h"
#include "exceptions.h"
#include "inventory.h"
+#include <sstream>
/*
NodeMetadata
NodeMetadata* NodeMetadata::deSerialize(std::istream &is)
{
+ // Read id
u8 buf[2];
is.read((char*)buf, 2);
s16 id = readS16(buf);
-
+
+ // Read data
+ std::string data = deSerializeString(is);
+
+ // Find factory function
core::map<u16, Factory>::Node *n;
n = m_types.find(id);
if(n == NULL)
{
- dstream<<"NodeMetadata(): No factory for typeId="<<id<<std::endl;
- throw SerializationError("Unknown metadata id");
+ // If factory is not found, just return.
+ dstream<<"WARNING: NodeMetadata: No factory for typeId="
+ <<id<<std::endl;
+ return NULL;
}
- Factory f = n->getValue();
- NodeMetadata *meta = (*f)(is);
- return meta;
+ // Try to load the metadata. If it fails, just return.
+ try
+ {
+ std::istringstream iss(data, std::ios_base::binary);
+
+ Factory f = n->getValue();
+ NodeMetadata *meta = (*f)(iss);
+ return meta;
+ }
+ catch(SerializationError &e)
+ {
+ dstream<<"WARNING: NodeMetadata: ignoring SerializationError"<<std::endl;
+ return NULL;
+ }
}
void NodeMetadata::serialize(std::ostream &os)
u8 buf[2];
writeU16(buf, typeId());
os.write((char*)buf, 2);
-
- serializeBody(os);
+
+ std::ostringstream oss(std::ios_base::binary);
+ serializeBody(oss);
+ os<<serializeString(oss.str());
}
void NodeMetadata::registerType(u16 id, Factory f)
SignNodeMetadata
*/
+// Prototype
+SignNodeMetadata proto_SignNodeMetadata("");
+
SignNodeMetadata::SignNodeMetadata(std::string text):
m_text(text)
{
ChestNodeMetadata
*/
+// Prototype
+ChestNodeMetadata proto_ChestNodeMetadata;
+
ChestNodeMetadata::ChestNodeMetadata()
{
NodeMetadata::registerType(typeId(), create);
{
return "Chest";
}
-/*Inventory* ChestNodeMetadata::getInventory()
+bool ChestNodeMetadata::nodeRemovalDisabled()
{
- return m_inventory;
-}*/
+ /*
+ 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)
+{
+ // Update at a fixed frequency
+ const float interval = 0.5;
+ m_step_accumulator += dtime;
+ if(m_step_accumulator < interval)
+ return false;
+ 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(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;
+ }
+ return true;
+ }
+
+ if(src_item == NULL || m_src_totaltime < 0.001)
+ {
+ return false;
+ }
+
+ bool changed = false;
+
+ //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 = 10;
+ m_fuel_time = 0;
+ fuel_list->decrementMaterials(1);
+ changed = true;
+ }
+ else if(ItemSpec(ITEM_MATERIAL, CONTENT_WOOD).checkItem(fuel_item))
+ {
+ m_fuel_totaltime = 5;
+ m_fuel_time = 0;
+ fuel_list->decrementMaterials(1);
+ changed = true;
+ }
+ else if(ItemSpec(ITEM_CRAFT, "lump_of_coal").checkItem(fuel_item))
+ {
+ m_fuel_totaltime = 10;
+ m_fuel_time = 0;
+ fuel_list->decrementMaterials(1);
+ changed = true;
+ }
+ else
+ {
+ //dstream<<"No fuel found"<<std::endl;
+ }
+
+ return changed;
+}
/*
NodeMetadatalist
{
u8 buf[6];
+ u16 version = 1;
+ writeU16(buf, version);
+ os.write((char*)buf, 2);
+
u16 count = m_data.size();
writeU16(buf, count);
os.write((char*)buf, 2);
u8 buf[6];
+ is.read((char*)buf, 2);
+ u16 version = readU16(buf);
+
+ if(version > 1)
+ {
+ dstream<<__FUNCTION_NAME<<": version "<<version<<" not supported"
+ <<std::endl;
+ throw SerializationError("NodeMetadataList::deSerialize");
+ }
+
is.read((char*)buf, 2);
u16 count = readU16(buf);
p16 -= p.Y * MAP_BLOCKSIZE;
p.X += p16;
+ NodeMetadata *data = NodeMetadata::deSerialize(is);
+
+ if(data == NULL)
+ continue;
+
if(m_data.find(p))
{
- dstream<<"ERROR: NodeMetadataList::deSerialize(): "
+ dstream<<"WARNING: NodeMetadataList::deSerialize(): "
<<"already set data at position"
- <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
+ <<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
<<std::endl;
- throw SerializationError("NodeMetadataList::deSerialize()");
+ delete data;
+ continue;
}
- NodeMetadata *data = NodeMetadata::deSerialize(is);
-
m_data.insert(p, data);
}
}
m_data.insert(p, d);
}
+bool NodeMetadataList::step(float dtime)
+{
+ bool something_changed = false;
+ for(core::map<v3s16, NodeMetadata*>::Iterator
+ i = m_data.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+ NodeMetadata *meta = i.getNode()->getValue();
+ bool changed = meta->step(dtime);
+ if(changed)
+ something_changed = true;
+ /*if(res.inventory_changed)
+ {
+ std::string inv_id;
+ inv_id += "nodemeta:";
+ inv_id += itos(p.X);
+ inv_id += ",";
+ inv_id += itos(p.Y);
+ inv_id += ",";
+ inv_id += itos(p.Z);
+ InventoryContext c;
+ c.current_player = NULL;
+ inv_mgr->inventoryModified(&c, inv_id);
+ }*/
+ }
+ return something_changed;
+}
+
projects / dragonfireclient.git / blobdiff