void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server)
{
/*infostream<<"Client::addUpdateMeshTask(): "
<<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
<<std::endl;*/
MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
if(b == NULL)
return;
/*
Create a task to update the mesh of the block
*/
MeshMakeData *data = new MeshMakeData;
{
//TimeTaker timer("data fill");
// Release: ~0ms
// Debug: 1-6ms, avg=2ms
data->fill(getDayNightRatio(), b);
}
// Debug wait
//while(m_mesh_update_thread.m_queue_in.size() > 0) sleep_ms(10);
// Add task to queue
m_mesh_update_thread.m_queue_in.addBlock(p, data, ack_to_server);
/*infostream<<"Mesh update input queue size is "
<<m_mesh_update_thread.m_queue_in.size()
<<std::endl;*/
#if 0
// Temporary test: make mesh directly in here
{
//TimeTaker timer("make mesh");
// 10ms
scene::SMesh *mesh_new = NULL;
mesh_new = makeMapBlockMesh(data);
b->replaceMesh(mesh_new);
delete data;
}
#endif
/*
Mark mesh as non-expired at this point so that it can already
be marked as expired again if the data changes
*/
b->setMeshExpired(false);
}
void ClientEnvironment::step(float dtime)
{
DSTACK(__FUNCTION_NAME);
// Get some settings
bool free_move = g_settings.getBool("free_move");
bool footprints = g_settings.getBool("footprints");
// Get local player
LocalPlayer *lplayer = getLocalPlayer();
assert(lplayer);
// collision info queue
core::list<CollisionInfo> player_collisions;
/*
Get the speed the player is going
*/
bool is_climbing = lplayer->is_climbing;
f32 player_speed = 0.001; // just some small value
player_speed = lplayer->getSpeed().getLength();
/*
Maximum position increment
*/
//f32 position_max_increment = 0.05*BS;
f32 position_max_increment = 0.1*BS;
// Maximum time increment (for collision detection etc)
// time = distance / speed
f32 dtime_max_increment = position_max_increment / player_speed;
// Maximum time increment is 10ms or lower
if(dtime_max_increment > 0.01)
dtime_max_increment = 0.01;
// Don't allow overly huge dtime
if(dtime > 0.5)
dtime = 0.5;
f32 dtime_downcount = dtime;
/*
Stuff that has a maximum time increment
*/
u32 loopcount = 0;
do
{
loopcount++;
f32 dtime_part;
if(dtime_downcount > dtime_max_increment)
{
dtime_part = dtime_max_increment;
dtime_downcount -= dtime_part;
}
else
{
dtime_part = dtime_downcount;
/*
Setting this to 0 (no -=dtime_part) disables an infinite loop
when dtime_part is so small that dtime_downcount -= dtime_part
does nothing
*/
dtime_downcount = 0;
}
/*
Handle local player
*/
{
v3f lplayerpos = lplayer->getPosition();
// Apply physics
if(free_move == false && is_climbing == false)
{
// Gravity
v3f speed = lplayer->getSpeed();
if(lplayer->swimming_up == false)
speed.Y -= 9.81 * BS * dtime_part * 2;
// Water resistance
if(lplayer->in_water_stable || lplayer->in_water)
{
f32 max_down = 2.0*BS;
if(speed.Y < -max_down) speed.Y = -max_down;
f32 max = 2.5*BS;
if(speed.getLength() > max)
{
speed = speed / speed.getLength() * max;
}
}
lplayer->setSpeed(speed);
}
/*
Move the lplayer.
This also does collision detection.
*/
lplayer->move(dtime_part, *m_map, position_max_increment,
&player_collisions);
}
}
while(dtime_downcount > 0.001);
//std::cout<<"Looped "<<loopcount<<" times."<<std::endl;
for(core::list<CollisionInfo>::Iterator
i = player_collisions.begin();
i != player_collisions.end(); i++)
{
CollisionInfo &info = *i;
if(info.t == COLLISION_FALL)
{
//f32 tolerance = BS*10; // 2 without damage
f32 tolerance = BS*12; // 3 without damage
f32 factor = 1;
if(info.speed > tolerance)
{
f32 damage_f = (info.speed - tolerance)/BS*factor;
u16 damage = (u16)(damage_f+0.5);
if(lplayer->hp > damage)
lplayer->hp -= damage;
else
lplayer->hp = 0;
ClientEnvEvent event;
event.type = CEE_PLAYER_DAMAGE;
event.player_damage.amount = damage;
m_client_event_queue.push_back(event);
}
}
}
/*
Stuff that can be done in an arbitarily large dtime
*/
for(core::list<Player*>::Iterator i = m_players.begin();
i != m_players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
/*
Handle non-local players
*/
if(player->isLocal() == false)
{
// Move
player->move(dtime, *m_map, 100*BS);
// Update lighting on remote players on client
u8 light = LIGHT_MAX;
try{
// Get node at head
v3s16 p = floatToInt(playerpos + v3f(0,BS+BS/2,0), BS);
MapNode n = m_map->getNode(p);
light = n.getLightBlend(getDayNightRatio());
}
catch(InvalidPositionException &e) {}
player->updateLight(light);
}
/*
Add footsteps to grass
*/
if(footprints)
{
// Get node that is at BS/4 under player
v3s16 bottompos = floatToInt(playerpos + v3f(0,-BS/4,0), BS);
try{
MapNode n = m_map->getNode(bottompos);
if(n.getContent() == CONTENT_GRASS)
{
n.setContent(CONTENT_GRASS_FOOTSTEPS);
m_map->setNode(bottompos, n);
// Update mesh on client
if(m_map->mapType() == MAPTYPE_CLIENT)
{
v3s16 p_blocks = getNodeBlockPos(bottompos);
MapBlock *b = m_map->getBlockNoCreate(p_blocks);
//b->updateMesh(getDayNightRatio());
b->setMeshExpired(true);
}
}
}
catch(InvalidPositionException &e)
{
}
}
}
/*
Step active objects and update lighting of them
*/
for(core::map<u16, ClientActiveObject*>::Iterator
i = m_active_objects.getIterator();
i.atEnd()==false; i++)
{
ClientActiveObject* obj = i.getNode()->getValue();
// Step object
obj->step(dtime, this);
if(m_active_object_light_update_interval.step(dtime, 0.21))
{
// Update lighting
//u8 light = LIGHT_MAX;
u8 light = 0;
try{
// Get node at head
v3s16 p = obj->getLightPosition();
MapNode n = m_map->getNode(p);
light = n.getLightBlend(getDayNightRatio());
}
catch(InvalidPositionException &e) {}
obj->updateLight(light);
}
}
}
