ilikecats/stk-code_catmod
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Store event time explicitly, which makes network replay much easier.

Browse Source 
Simplified update updateReplayAndGetDT function.
This commit is contained in:
hiker 2018-01-16 08:43:59 +11:00
parent 7b21bb16e6
commit 8d7ff2a948
2 changed files with 70 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
src/race/history.cpp
View File

@ -87,6 +87,7 @@ void History::addEvent(int kart_id, PlayerAction pa, int value)
// The event is added before m_current is increased. So in order to
// save the right index for this event, we need to use m_current+1.
ie.m_index = m_current+1;
ie.m_time = World::getWorld()->getTime();
ie.m_action = pa;
ie.m_value = value;
ie.m_kart_index = kart_id;
@ -131,18 +132,38 @@ void History::updateSaving(float dt)
*/
float History::updateReplayAndGetDT(float world_time, float dt)
{
if (m_history_time > world_time && NetworkConfig::get()->isNetworking())
return dt;
World *world = World::getWorld();
// In non-networked history races, we need to do at least one timestep
// to get the right DT. The while loop is exited at the bottom in this
// case/
while (m_history_time < world_time + dt ||
!NetworkConfig::get()->isNetworking() )
// Networking
// ----------
// Networking is handled differently, it only uses the events,
// not the recorded time steps.
if (NetworkConfig::get()->isNetworking())
{
while (m_event_index < m_all_input_events.size() &&
m_all_input_events[m_event_index].m_time <= world_time+dt)
{
const InputEvent &ie = m_all_input_events[m_event_index];
AbstractKart *kart = world->getKart(ie.m_kart_index);
Log::verbose("history", "time %f event-time %f action %d %d",
world->getTime(), ie.m_time, ie.m_action, ie.m_value);
kart->getController()->action(ie.m_action, ie.m_value);
m_event_index++;
}
return dt;
}
// Now handle the non-networking case
// ----------------------------------
Log::verbose("history", "Begin %f %f %f %f current %d event %d",
m_history_time, world_time, dt, world_time + dt,
m_current, m_event_index);
m_current++;
Log::verbose("history", "Inner %f %f %f %f current %d event %d",
m_history_time, world_time, dt, world_time + dt,
m_current, m_event_index);
// Check if we have reached the end of the buffer
if (m_current >= (int)m_all_deltas.size())
{
Log::info("History", "Replay finished");
@ -169,8 +190,8 @@ float History::updateReplayAndGetDT(float world_time, float dt)
unsigned int index = m_current*num_karts + k;
kart->setXYZ(m_all_xyz[index]);
kart->setRotation(m_all_rotations[index]);
}
}
} // for k < karts
} // if HISTORY_POSITION
else // HISTORY_PHYSICS
{
while (m_event_index < m_all_input_events.size() &&
@ -178,25 +199,18 @@ float History::updateReplayAndGetDT(float world_time, float dt)
{
const InputEvent &ie = m_all_input_events[m_event_index];
AbstractKart *kart = world->getKart(ie.m_kart_index);
Log::verbose("history", "time %f event-time %f action %d %d",
world->getTime(), ie.m_time, ie.m_action, ie.m_value);
kart->getController()->action(ie.m_action, ie.m_value);
m_event_index++;
}
//kart->getControls().set(m_all_controls[index]);
} // if HISTORY_PHYSICS
if (World::getWorld()->isRacePhase())
m_history_time += m_all_deltas[m_current];
// If this is not networked, exit the loop after one iteration
// and return the new dt
if(!NetworkConfig::get()->isNetworking())
}
return m_all_deltas[m_current];
}
// In network mode, don't adjust dt, just return the input value
return dt;
} // updateReplayAndGetDT
//-----------------------------------------------------------------------------
@ -277,10 +291,11 @@ void History::Save()
fprintf(fd, "%d\n", count);
for (int k = 0; k < count; k++)
{
fprintf(fd, "%d %d %d\n",
fprintf(fd, "%d %d %d %12.9f\n",
m_all_input_events[event_index].m_kart_index,
m_all_input_events[event_index].m_action,
m_all_input_events[event_index].m_value);
m_all_input_events[event_index].m_value,
m_all_input_events[event_index].m_time);
event_index++;
}
index=(index+1)%m_size;
@ -421,8 +436,8 @@ void History::Load()
fgets(s, 1023, fd);
InputEvent ie;
ie.m_index = i;
if (sscanf(s, "%d %d %d\n", &ie.m_kart_index, &ie.m_action,
&ie.m_value) != 3)
if (sscanf(s, "%d %d %d %f\n", &ie.m_kart_index, &ie.m_action,
&ie.m_value, &ie.m_time) != 4)
{
Log::warn("History", "Problems reading event: '%s'", s);
}
@ -431,7 +446,6 @@ void History::Load()
} // for i
RewindManager::setEnable(rewind_manager_was_enabled);
fprintf(fd, "History file end.\n");
fclose(fd);
} // Load

2
src/race/history.hpp
View File

@ -89,6 +89,8 @@ private:
{
/** Index at which the even happened. */
int m_index;
/* Time at which this event occurred. */
float m_time;
/** For which kart the event was. */
int m_kart_index;
/** Which action it was. */