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A more robust format for node metadata

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This commit is contained in:
Perttu Ahola 2011-04-05 10:59:48 +03:00
parent d1d57cf5c3
commit d6d811f97b
3 changed files with 59 additions and 11 deletions
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38
src/nodemetadata.cpp
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@ -177,7 +177,7 @@ FurnaceNodeMetadata::FurnaceNodeMetadata()
m_inventory = new Inventory();
m_inventory->addList("fuel", 1);
m_inventory->addList("src", 1);
m_inventory->addList("dst", 1);
m_inventory->addList("dst", 4);
m_step_accumulator = 0;
m_fuel_totaltime = 0;
@ -202,12 +202,15 @@ NodeMetadata* FurnaceNodeMetadata::clone()
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)
@ -260,9 +263,10 @@ bool FurnaceNodeMetadata::step(float dtime)
InventoryList *src_list = m_inventory->getList("src");
assert(src_list);
InventoryItem *src_item = src_list->getItem(0);
if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(src_item)
&& dst_list->itemFits(0, new CraftItem("lump_of_coal", 1)))
// Start only if there are free slots in dst, so that it can
// accomodate any result item
if(dst_list->getFreeSlots() > 0)
{
m_src_totaltime = 3;
}
@ -279,13 +283,11 @@ bool FurnaceNodeMetadata::step(float dtime)
m_src_time += dtime;
if(m_src_time >= m_src_totaltime && m_src_totaltime > 0.001)
{
if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(src_item))
{
src_list->decrementMaterials(1);
dst_list->addItem(0, new CraftItem("lump_of_coal", 1));
m_src_time = 0;
m_src_totaltime = 0;
}
src_list->decrementMaterials(1);
InventoryItem *cookresult = src_item->createCookResult();
dst_list->addItem(cookresult);
m_src_time = 0;
m_src_totaltime = 0;
}
return true;
}
@ -340,6 +342,10 @@ void NodeMetadataList::serialize(std::ostream &os)
{
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);
@ -365,6 +371,16 @@ void NodeMetadataList::deSerialize(std::istream &is)
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);