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Improve player movement speed checking

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This commit is contained in:
Perttu Ahola
2011-11-26 14:30:57 +02:00
parent 1bfc3c1eb9
commit 0dbb31afeb
1 changed files with 24 additions and 5 deletions
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29
src/server.cpp
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@@ -1326,14 +1326,24 @@ void Server::AsyncRunStep()
Do background stuff
*/
/* Check player movements */
/*
Check player movements
NOTE: Actually the server should handle player physics like the
client does and compare player's position to what is calculated
on our side. This is required when eg. players fly due to an
explosion.
*/
{
JMutexAutoLock lock(m_env_mutex);
JMutexAutoLock lock2(m_con_mutex);
//float player_max_speed = BS * 4.0; // Normal speed
float player_max_speed = BS * 4.0 * 5; // Fast speed
player_max_speed *= 1.5; // Tolerance
float player_max_speed = BS * 20; // Fast speed
float player_max_speed_up = BS * 20;
player_max_speed *= 1.7; // Tolerance
player_max_speed_up *= 1.7;
for(core::map<u16, RemoteClient*>::Iterator
i = m_clients.getIterator();
@@ -1345,12 +1355,21 @@ void Server::AsyncRunStep()
if(player==NULL)
continue;
player->m_last_good_position_age += dtime;
if(player->m_last_good_position_age > 1.0){
if(player->m_last_good_position_age >= 2.0){
float age = player->m_last_good_position_age;
v3f diff = (player->getPosition() - player->m_last_good_position);
if(diff.getLength() <= age * player_max_speed){
float d_vert = diff.Y;
diff.Y = 0;
float d_horiz = diff.getLength();
/*infostream<<player->getName()<<"'s horizontal speed is "
<<(d_horiz/age)<<std::endl;*/
if(d_horiz <= age * player_max_speed &&
(d_vert < 0 || d_vert < age * player_max_speed_up)){
player->m_last_good_position = player->getPosition();
} else {
actionstream<<"Player "<<player->getName()
<<" moved too fast; resetting position"
<<std::endl;
player->setPosition(player->m_last_good_position);
SendMovePlayer(player);
}