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Fix server hang when stepping a furnace with a huge dtime

This commit is contained in:
Kahrl 2012-01-31 20:42:49 +01:00 committed by Perttu Ahola
parent 0e8bd531c2
commit 796009ef21
1 changed files with 15 additions and 8 deletions
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23
src/content_nodemeta.cpp
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@ -441,6 +441,10 @@ bool FurnaceNodeMetadata::step(float dtime)
{
if(dtime > 60.0)
infostream<<"Furnace stepping a long time ("<<dtime<<")"<<std::endl;
InventoryList *dst_list = m_inventory->getList("dst");
assert(dst_list);
// Update at a fixed frequency
const float interval = 2.0;
m_step_accumulator += dtime;
@ -452,8 +456,7 @@ bool FurnaceNodeMetadata::step(float dtime)
//infostream<<"Furnace step dtime="<<dtime<<std::endl;
InventoryList *dst_list = m_inventory->getList("dst");
assert(dst_list);
bool changed_this_loop = false;
// Check
// 1. if the source item is cookable
@ -473,7 +476,7 @@ bool FurnaceNodeMetadata::step(float dtime)
bool burning = (m_fuel_time < m_fuel_totaltime);
if(burning)
{
changed = true;
changed_this_loop = true;
m_fuel_time += dtime;
}
@ -483,7 +486,7 @@ bool FurnaceNodeMetadata::step(float dtime)
float burntime;
if(burning)
{
changed = true;
changed_this_loop = true;
m_src_time += dtime;
m_src_totaltime = cooktime;
infotext = "Furnace is cooking";
@ -491,7 +494,7 @@ bool FurnaceNodeMetadata::step(float dtime)
else if(getBurnResult(true, burntime))
{
// Fuel inserted
changed = true;
changed_this_loop = true;
m_fuel_time = 0;
m_fuel_totaltime = burntime;
//m_src_time += dtime;
@ -507,7 +510,7 @@ bool FurnaceNodeMetadata::step(float dtime)
if(m_src_totaltime > 0.001 && m_src_time >= m_src_totaltime)
{
// One item fully cooked
changed = true;
changed_this_loop = true;
dst_list->addItem(cookresult_item);
getCookResult(true, cookresult, cooktime); // decrement source
m_src_totaltime = 0;
@ -541,7 +544,7 @@ bool FurnaceNodeMetadata::step(float dtime)
if(infotext != m_infotext)
{
m_infotext = infotext;
changed = true;
changed_this_loop = true;
}
if(burning && m_fuel_time >= m_fuel_totaltime)
@ -550,7 +553,11 @@ bool FurnaceNodeMetadata::step(float dtime)
m_fuel_totaltime = 0;
}
if(!changed)
if(changed_this_loop)
{
changed = true;
}
else
{
m_step_accumulator = 0;
break;