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Optimize/adjust blocks/ActiveObjects sent at the server based on client settings. (#4811) 

Optimize/adjust blocks and active blocks sent at the server based on client settings.
This commit is contained in:
lhofhansl 2016-11-30 00:13:14 -08:00 committed by Zeno-
parent c38985825f
commit 5dc6198878
11 changed files with 99 additions and 28 deletions
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5
src/camera.cpp
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@ -484,13 +484,12 @@ void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime,
void Camera::updateViewingRange()
{
f32 viewing_range = g_settings->getFloat("viewing_range");
m_draw_control.wanted_range = viewing_range;
if (m_draw_control.range_all) {
m_cameranode->setFarValue(100000.0);
return;
}
f32 viewing_range = g_settings->getFloat("viewing_range");
m_draw_control.wanted_range = viewing_range;
m_cameranode->setFarValue((viewing_range < 2000) ? 2000 * BS : viewing_range * BS);
}

52
src/client.cpp
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@ -930,13 +930,16 @@ void Client::Send(NetworkPacket* pkt)
}
// Will fill up 12 + 12 + 4 + 4 + 4 bytes
void writePlayerPos(LocalPlayer *myplayer, NetworkPacket *pkt)
void writePlayerPos(LocalPlayer *myplayer, ClientMap *clientMap, NetworkPacket *pkt)
{
v3f pf = myplayer->getPosition() * 100;
v3f sf = myplayer->getSpeed() * 100;
s32 pitch = myplayer->getPitch() * 100;
s32 yaw = myplayer->getYaw() * 100;
u32 keyPressed = myplayer->keyPressed;
v3f pf = myplayer->getPosition() * 100;
v3f sf = myplayer->getSpeed() * 100;
s32 pitch = myplayer->getPitch() * 100;
s32 yaw = myplayer->getYaw() * 100;
u32 keyPressed = myplayer->keyPressed;
// scaled by 80, so that pi can fit into a u8
u8 fov = clientMap->getCameraFov() * 80;
u8 wanted_range = clientMap->getControl().wanted_range / MAP_BLOCKSIZE;
v3s32 position(pf.X, pf.Y, pf.Z);
v3s32 speed(sf.X, sf.Y, sf.Z);
@ -948,9 +951,11 @@ void writePlayerPos(LocalPlayer *myplayer, NetworkPacket *pkt)
[12+12] s32 pitch*100
[12+12+4] s32 yaw*100
[12+12+4+4] u32 keyPressed
[12+12+4+4+1] u8 fov*80
[12+12+4+4+4+1] u8 wanted_range / MAP_BLOCKSIZE
*/
*pkt << position << speed << pitch << yaw << keyPressed;
*pkt << fov << wanted_range;
}
void Client::interact(u8 action, const PointedThing& pointed)
@ -992,7 +997,7 @@ void Client::interact(u8 action, const PointedThing& pointed)
pkt.putLongString(tmp_os.str());
writePlayerPos(myplayer, &pkt);
writePlayerPos(myplayer, &m_env.getClientMap(), &pkt);
Send(&pkt);
}
@ -1296,19 +1301,30 @@ void Client::sendPlayerPos()
if(myplayer == NULL)
return;
ClientMap &map = m_env.getClientMap();
u8 camera_fov = map.getCameraFov();
u8 wanted_range = map.getControl().wanted_range;
// Save bandwidth by only updating position when something changed
if(myplayer->last_position == myplayer->getPosition() &&
myplayer->last_speed == myplayer->getSpeed() &&
myplayer->last_pitch == myplayer->getPitch() &&
myplayer->last_yaw == myplayer->getYaw() &&
myplayer->last_keyPressed == myplayer->keyPressed)
myplayer->last_speed == myplayer->getSpeed() &&
myplayer->last_pitch == myplayer->getPitch() &&
myplayer->last_yaw == myplayer->getYaw() &&
myplayer->last_keyPressed == myplayer->keyPressed &&
myplayer->last_camera_fov == camera_fov &&
myplayer->last_wanted_range == wanted_range)
return;
myplayer->last_position = myplayer->getPosition();
myplayer->last_speed = myplayer->getSpeed();
myplayer->last_pitch = myplayer->getPitch();
myplayer->last_yaw = myplayer->getYaw();
myplayer->last_keyPressed = myplayer->keyPressed;
myplayer->last_position = myplayer->getPosition();
myplayer->last_speed = myplayer->getSpeed();
myplayer->last_pitch = myplayer->getPitch();
myplayer->last_yaw = myplayer->getYaw();
myplayer->last_keyPressed = myplayer->keyPressed;
myplayer->last_camera_fov = camera_fov;
myplayer->last_wanted_range = wanted_range;
//infostream << "Sending Player Position information" << std::endl;
u16 our_peer_id;
{
@ -1324,7 +1340,7 @@ void Client::sendPlayerPos()
NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4);
writePlayerPos(myplayer, &pkt);
writePlayerPos(myplayer, &map, &pkt);
Send(&pkt);
}

15
src/clientiface.cpp
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@ -173,12 +173,20 @@ void RemoteClient::GetNextBlocks (
*/
s32 new_nearest_unsent_d = -1;
const s16 full_d_max = g_settings->getS16("max_block_send_distance");
const s16 d_opt = g_settings->getS16("block_send_optimize_distance");
// get view range and camera fov from the client
s16 wanted_range = sao->getWantedRange();
float camera_fov = sao->getFov();
// if FOV, wanted_range are not available (old client), fall back to old default
if (wanted_range <= 0) wanted_range = 1000;
if (camera_fov <= 0) camera_fov = (72.0*M_PI/180) * 4./3.;
const s16 full_d_max = MYMIN(g_settings->getS16("max_block_send_distance"), wanted_range);
const s16 d_opt = MYMIN(g_settings->getS16("block_send_optimize_distance"), wanted_range);
const s16 d_blocks_in_sight = full_d_max * BS * MAP_BLOCKSIZE;
//infostream << "Fov from client " << camera_fov << " full_d_max " << full_d_max << std::endl;
s16 d_max = full_d_max;
s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
s16 d_max_gen = MYMIN(g_settings->getS16("max_block_generate_distance"), wanted_range);
// Don't loop very much at a time
s16 max_d_increment_at_time = 2;
@ -242,7 +250,6 @@ void RemoteClient::GetNextBlocks (
FOV setting. The default of 72 degrees is fine.
*/
float camera_fov = (72.0*M_PI/180) * 4./3.;
if(isBlockInSight(p, camera_pos, camera_dir, camera_fov, d_blocks_in_sight) == false)
{
continue;

4
src/clientmap.h
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@ -138,7 +138,9 @@ public:
{
return (m_last_drawn_sectors.find(p) != m_last_drawn_sectors.end());
}
const MapDrawControl & getControl() const { return m_control; }
f32 getCameraFov() const { return m_camera_fov; }
private:
Client *m_client;

18
src/content_sao.cpp
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@ -781,6 +781,8 @@ PlayerSAO::PlayerSAO(ServerEnvironment *env_, u16 peer_id_, bool is_singleplayer
m_attachment_sent(false),
m_breath(PLAYER_MAX_BREATH),
m_pitch(0),
m_fov(0),
m_wanted_range(0),
// public
m_physics_override_speed(1),
m_physics_override_jump(1),
@ -1099,6 +1101,22 @@ void PlayerSAO::setYaw(const float yaw)
UnitSAO::setYaw(yaw);
}
void PlayerSAO::setFov(const float fov)
{
if (m_player && fov != m_fov)
m_player->setDirty(true);
m_fov = fov;
}
void PlayerSAO::setWantedRange(const s16 range)
{
if (m_player && range != m_wanted_range)
m_player->setDirty(true);
m_wanted_range = range;
}
void PlayerSAO::setYawAndSend(const float yaw)
{
setYaw(yaw);

6
src/content_sao.h
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@ -214,6 +214,10 @@ public:
f32 getRadPitch() const { return m_pitch * core::DEGTORAD; }
// Deprecated
f32 getRadPitchDep() const { return -1.0 * m_pitch * core::DEGTORAD; }
void setFov(const float pitch);
f32 getFov() const { return m_fov; }
void setWantedRange(const s16 range);
s16 getWantedRange() const { return m_wanted_range; }
/*
Interaction interface
@ -364,6 +368,8 @@ private:
bool m_attachment_sent;
u16 m_breath;
f32 m_pitch;
f32 m_fov;
s16 m_wanted_range;
public:
float m_physics_override_speed;
float m_physics_override_jump;

2
src/localplayer.cpp
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@ -56,6 +56,8 @@ LocalPlayer::LocalPlayer(Client *gamedef, const char *name):
last_pitch(0),
last_yaw(0),
last_keyPressed(0),
last_camera_fov(0),
last_wanted_range(0),
camera_impact(0.f),
last_animation(NO_ANIM),
hotbar_image(""),

2
src/localplayer.h
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@ -75,6 +75,8 @@ public:
float last_pitch;
float last_yaw;
unsigned int last_keyPressed;
u8 last_camera_fov;
u8 last_wanted_range;
float camera_impact;

2
src/network/networkprotocol.h
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@ -651,6 +651,8 @@ enum ToServerCommand
[2+12+12] s32 pitch*100
[2+12+12+4] s32 yaw*100
[2+12+12+4+4] u32 keyPressed
[2+12+12+4+4+1] u8 fov*80
[2+12+12+4+4+4+1] u8 wanted_range / MAP_BLOCKSIZE
*/
TOSERVER_GOTBLOCKS = 0x24,

13
src/network/serverpackethandler.cpp
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@ -782,6 +782,7 @@ void Server::process_PlayerPos(RemotePlayer *player, PlayerSAO *playersao,
v3s32 ps, ss;
s32 f32pitch, f32yaw;
u8 f32fov;
*pkt >> ps;
*pkt >> ss;
@ -792,8 +793,18 @@ void Server::process_PlayerPos(RemotePlayer *player, PlayerSAO *playersao,
f32 yaw = (f32)f32yaw / 100.0;
u32 keyPressed = 0;
// default behavior (in case an old client doesn't send these)
f32 fov = (72.0*M_PI/180) * 4./3.;
u8 wanted_range = 0;
if (pkt->getRemainingBytes() >= 4)
*pkt >> keyPressed;
if (pkt->getRemainingBytes() >= 1) {
*pkt >> f32fov;
fov = (f32)f32fov / 80.0;
}
if (pkt->getRemainingBytes() >= 1)
*pkt >> wanted_range;
v3f position((f32)ps.X / 100.0, (f32)ps.Y / 100.0, (f32)ps.Z / 100.0);
v3f speed((f32)ss.X / 100.0, (f32)ss.Y / 100.0, (f32)ss.Z / 100.0);
@ -805,6 +816,8 @@ void Server::process_PlayerPos(RemotePlayer *player, PlayerSAO *playersao,
player->setSpeed(speed);
playersao->setPitch(pitch);
playersao->setYaw(yaw);
playersao->setFov(fov);
playersao->setWantedRange(wanted_range);
player->keyPressed = keyPressed;
player->control.up = (keyPressed & 1);
player->control.down = (keyPressed & 2);

8
src/server.cpp
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@ -705,11 +705,15 @@ void Server::AsyncRunStep(bool initial_step)
if (playersao == NULL)
continue;
s16 my_radius = MYMIN(radius, playersao->getWantedRange() * MAP_BLOCKSIZE);
if (my_radius <= 0) my_radius = radius;
//infostream << "Server: Active Radius " << my_radius << std::endl;
std::queue<u16> removed_objects;
std::queue<u16> added_objects;
m_env->getRemovedActiveObjects(playersao, radius, player_radius,
m_env->getRemovedActiveObjects(playersao, my_radius, player_radius,
client->m_known_objects, removed_objects);
m_env->getAddedActiveObjects(playersao, radius, player_radius,
m_env->getAddedActiveObjects(playersao, my_radius, player_radius,
client->m_known_objects, added_objects);
// Ignore if nothing happened