void reset() {
if(owns_lock()) {
ptr->unlock();
IsLock=false;
}
ptr=0;
}
//TODO: REMOVE THIS func and use Map::getBlock
MapBlock* Map::getBlockNoCreateNoEx(v3POS p, bool trylock, bool nocache) {
#ifndef NDEBUG
ScopeProfiler sp(g_profiler, "Map: getBlock");
#endif
#if !ENABLE_THREADS
nocache = true; //very dirty hack. fix and remove. Also compare speed: no cache and cache with lock
#endif
if (!nocache) {
#if ENABLE_THREADS && !HAVE_THREAD_LOCAL
auto lock = try_shared_lock(m_block_cache_mutex, TRY_TO_LOCK);
if(lock.owns_lock())
#endif
if(m_block_cache && p == m_block_cache_p) {
#ifndef NDEBUG
g_profiler->add("Map: getBlock cache hit", 1);
#endif
return m_block_cache;
}
}
MapBlockP block;
{
auto lock = trylock ? m_blocks.try_lock_shared_rec() : m_blocks.lock_shared_rec();
if (!lock->owns_lock())
return nullptr;
auto n = m_blocks.find(p);
if(n == m_blocks.end())
return nullptr;
block = n->second;
}
if (!nocache) {
#if ENABLE_THREADS && !HAVE_THREAD_LOCAL
auto lock = unique_lock(m_block_cache_mutex, TRY_TO_LOCK);
if(lock.owns_lock())
#endif
{
m_block_cache_p = p;
m_block_cache = block;
}
}
return block;
}
void LuaABM::trigger(ServerEnvironment *env, v3s16 p, MapNode n,
u32 active_object_count, u32 active_object_count_wider, MapNode neighbor, bool activate)
{
GameScripting *scriptIface = env->getScriptIface();
auto _script_lock = RecursiveMutexAutoLock(scriptIface->m_luastackmutex, std::try_to_lock);
if (!_script_lock.owns_lock()) {
return;
}
scriptIface->realityCheck();
lua_State *L = scriptIface->getStack();
sanity_check(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
int error_handler = PUSH_ERROR_HANDLER(L);
// Get registered_abms
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_abms");
luaL_checktype(L, -1, LUA_TTABLE);
lua_remove(L, -2); // Remove core
// Get registered_abms[m_id]
lua_pushnumber(L, m_id);
lua_gettable(L, -2);
if(lua_isnil(L, -1))
//FATAL_ERROR("");
return;
lua_remove(L, -2); // Remove registered_abms
scriptIface->setOriginFromTable(-1);
// Call action
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, "action");
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_remove(L, -2); // Remove registered_abms[m_id]
push_v3s16(L, p);
pushnode(L, n, env->getGameDef()->ndef());
lua_pushnumber(L, active_object_count);
lua_pushnumber(L, active_object_count_wider);
pushnode(L, neighbor, env->getGameDef()->ndef());
lua_pushboolean(L, activate);
int result = lua_pcall(L, 6, 0, error_handler);
if (result)
scriptIface->scriptError(result, "LuaABM::trigger");
lua_pop(L, 1); // Pop error handler
}
void LuaLBM::trigger(ServerEnvironment *env, v3s16 p, MapNode n)
{
GameScripting *scriptIface = env->getScriptIface();
auto _script_lock = RecursiveMutexAutoLock(scriptIface->m_luastackmutex, std::try_to_lock);
if (!_script_lock.owns_lock()) {
return;
}
scriptIface->realityCheck();
lua_State *L = scriptIface->getStack();
sanity_check(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
int error_handler = PUSH_ERROR_HANDLER(L);
// Get registered_lbms
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_lbms");
luaL_checktype(L, -1, LUA_TTABLE);
lua_remove(L, -2); // Remove core
// Get registered_lbms[m_id]
lua_pushnumber(L, m_id);
lua_gettable(L, -2);
//FATAL_ERROR_IF(lua_isnil(L, -1), "Entry with given id not found in registered_lbms table");
if (lua_isnil(L, -1)) {
errorstream << "Entry with given id " << m_id << " not found in registered_lbms table" << std::endl;
return;
}
lua_remove(L, -2); // Remove registered_lbms
scriptIface->setOriginFromTable(-1);
// Call action
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, "action");
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_remove(L, -2); // Remove registered_lbms[m_id]
push_v3s16(L, p);
pushnode(L, n, env->getGameDef()->ndef());
int result = lua_pcall(L, 2, 0, error_handler);
if (result)
scriptIface->scriptError(result, "LuaLBM::trigger");
lua_pop(L, 1); // Pop error handler
}
MapNode MapBlock::getNodeParent(v3s16 p, bool *is_valid_position)
{
if (isValidPosition(p) == false)
return m_parent->getNodeTry(getPosRelative() + p);
if (data == NULL) {
if (is_valid_position)
*is_valid_position = false;
return MapNode(CONTENT_IGNORE);
}
auto lock = try_lock_shared_rec();
if (!lock->owns_lock()) {
if (is_valid_position)
*is_valid_position = false;
return MapNode(CONTENT_IGNORE);
}
if (is_valid_position)
*is_valid_position = true;
return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
}
~elliptics_unique_lock()
{
if (owns_lock())
unlock();
}
void ClientMap::updateDrawList(video::IVideoDriver* driver, float dtime, unsigned int max_cycle_ms)
{
ScopeProfiler sp(g_profiler, "CM::updateDrawList()", SPT_AVG);
//g_profiler->add("CM::updateDrawList() count", 1);
TimeTaker timer_step("ClientMap::updateDrawList");
INodeDefManager *nodemgr = m_gamedef->ndef();
if (!m_drawlist_last)
m_drawlist_current = !m_drawlist_current;
auto & drawlist = m_drawlist_current ? m_drawlist_1 : m_drawlist_0;
if (!max_cycle_ms)
max_cycle_ms = 300/getControl().fps_wanted;
m_camera_mutex.Lock();
v3f camera_position = m_camera_position;
f32 camera_fov = m_camera_fov;
//v3s16 camera_offset = m_camera_offset;
m_camera_mutex.Unlock();
// Use a higher fov to accomodate faster camera movements.
// Blocks are cropped better when they are drawn.
// Or maybe they aren't? Well whatever.
camera_fov *= 1.2;
v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
v3s16 box_nodes_d = m_control.wanted_range * v3s16(1,1,1);
v3s16 p_nodes_min = cam_pos_nodes - box_nodes_d;
v3s16 p_nodes_max = cam_pos_nodes + box_nodes_d;
// Take a fair amount as we will be dropping more out later
// Umm... these additions are a bit strange but they are needed.
v3s16 p_blocks_min(
p_nodes_min.X / MAP_BLOCKSIZE - 3,
p_nodes_min.Y / MAP_BLOCKSIZE - 3,
p_nodes_min.Z / MAP_BLOCKSIZE - 3);
v3s16 p_blocks_max(
p_nodes_max.X / MAP_BLOCKSIZE + 1,
p_nodes_max.Y / MAP_BLOCKSIZE + 1,
p_nodes_max.Z / MAP_BLOCKSIZE + 1);
// Number of blocks in rendering range
u32 blocks_in_range = 0;
// Number of blocks occlusion culled
u32 blocks_occlusion_culled = 0;
// Number of blocks in rendering range but don't have a mesh
u32 blocks_in_range_without_mesh = 0;
// Blocks that had mesh that would have been drawn according to
// rendering range (if max blocks limit didn't kick in)
u32 blocks_would_have_drawn = 0;
// Blocks that were drawn and had a mesh
u32 blocks_drawn = 0;
// Blocks which had a corresponding meshbuffer for this pass
//u32 blocks_had_pass_meshbuf = 0;
// Blocks from which stuff was actually drawn
//u32 blocks_without_stuff = 0;
// Distance to farthest drawn block
float farthest_drawn = 0;
int m_mesh_queued = 0;
bool free_move = g_settings->getBool("free_move");
float range_max = 100000 * BS;
if(m_control.range_all == false)
range_max = m_control.wanted_range * BS;
if (draw_nearest.empty()) {
//ScopeProfiler sp(g_profiler, "CM::updateDrawList() make list", SPT_AVG);
TimeTaker timer_step("ClientMap::updateDrawList make list");
auto lock = m_blocks.try_lock_shared_rec();
if (!lock->owns_lock())
return;
draw_nearest.clear();
for(auto & ir : m_blocks) {
auto bp = ir.first;
if(m_control.range_all == false)
{
if(bp.X < p_blocks_min.X
|| bp.X > p_blocks_max.X
|| bp.Z > p_blocks_max.Z
|| bp.Z < p_blocks_min.Z
|| bp.Y < p_blocks_min.Y
|| bp.Y > p_blocks_max.Y)
continue;
}
v3s16 blockpos_nodes = bp * MAP_BLOCKSIZE;
// Block center position
v3f blockpos(
((float)blockpos_nodes.X + MAP_BLOCKSIZE/2) * BS,
((float)blockpos_nodes.Y + MAP_BLOCKSIZE/2) * BS,
((float)blockpos_nodes.Z + MAP_BLOCKSIZE/2) * BS
);
f32 d = radius_box(blockpos, camera_position); //blockpos_relative.getLength();
if (d> range_max)
continue;
int range = d / (MAP_BLOCKSIZE * BS);
draw_nearest.emplace_back(std::make_pair(bp, range));
}
}
const int maxq = 1000;
// No occlusion culling when free_move is on and camera is
// inside ground
bool occlusion_culling_enabled = true;
if(free_move) {
MapNode n = getNodeNoEx(cam_pos_nodes);
if(n.getContent() == CONTENT_IGNORE ||
nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
}
u32 calls = 0, end_ms = porting::getTimeMs() + u32(max_cycle_ms);
std::unordered_map<v3POS, bool, v3POSHash, v3POSEqual> occlude_cache;
while (!draw_nearest.empty()) {
auto ir = draw_nearest.back();
auto bp = ir.first;
int range = ir.second;
draw_nearest.pop_back();
++calls;
//auto block = getBlockNoCreateNoEx(bp);
auto block = m_blocks.get(bp);
if (!block)
continue;
int mesh_step = getFarmeshStep(m_control, getNodeBlockPos(cam_pos_nodes), bp);
/*
Compare block position to camera position, skip
if not seen on display
*/
auto mesh = block->getMesh(mesh_step);
if (mesh)
mesh->updateCameraOffset(m_camera_offset);
blocks_in_range++;
auto smesh_size = block->mesh_size;
/*
Ignore if mesh doesn't exist
*/
{
if(!mesh) {
blocks_in_range_without_mesh++;
if (m_mesh_queued < maxq || range <= 2) {
m_client->addUpdateMeshTask(bp, false);
++m_mesh_queued;
}
continue;
}
if(mesh_step == mesh->step && block->getTimestamp() <= mesh->timestamp && !smesh_size) {
blocks_in_range_without_mesh++;
continue;
}
}
/*
Occlusion culling
*/
v3s16 cpn = bp * MAP_BLOCKSIZE;
cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = BS*1;
float stepfac = 1.2;
float startoff = BS*1;
float endoff = -BS*MAP_BLOCKSIZE; //*1.42; //*1.42;
v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
if( range > 1 && smesh_size &&
occlusion_culling_enabled &&
isOccluded(this, spn, cpn + v3s16(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache)
)
{
blocks_occlusion_culled++;
continue;
}
// This block is in range. Reset usage timer.
block->resetUsageTimer();
// Limit block count in case of a sudden increase
blocks_would_have_drawn++;
/*
if(blocks_drawn >= m_control.wanted_max_blocks
&& m_control.range_all == false
&& d > m_control.wanted_min_range * BS)
continue;
*/
if (mesh_step != mesh->step && (m_mesh_queued < maxq*1.2 || range <= 2)) {
m_client->addUpdateMeshTask(bp);
++m_mesh_queued;
}
if (block->getTimestamp() > mesh->timestamp + (smesh_size ? 0 : range >= 1 ? 60 : 5) && (m_mesh_queued < maxq*1.5 || range <= 2)) {
m_client->addUpdateMeshTaskWithEdge(bp);
++m_mesh_queued;
}
if(!smesh_size)
continue;
mesh->incrementUsageTimer(dtime);
// Add to set
//block->refGrab();
block->resetUsageTimer();
drawlist.set(bp, block);
blocks_drawn++;
if(range * MAP_BLOCKSIZE > farthest_drawn)
farthest_drawn = range * MAP_BLOCKSIZE;
if (farthest_drawn > m_control.farthest_drawn)
m_control.farthest_drawn = farthest_drawn;
if (porting::getTimeMs() > end_ms) {
break;
}
}
m_drawlist_last = draw_nearest.size();
//if (m_drawlist_last) infostream<<"breaked UDL "<<m_drawlist_last<<" collected="<<drawlist.size()<<" calls="<<calls<<" s="<<m_blocks.size()<<" maxms="<<max_cycle_ms<<" fw="<<getControl().fps_wanted<<" morems="<<porting::getTimeMs() - end_ms<< " meshq="<<m_mesh_queued<<" occache="<<occlude_cache.size()<<std::endl;
if (m_drawlist_last)
return;
//for (auto & ir : *m_drawlist)
// ir.second->refDrop();
auto m_drawlist_old = !m_drawlist_current ? &m_drawlist_1 : &m_drawlist_0;
m_drawlist = m_drawlist_current ? &m_drawlist_1 : &m_drawlist_0;
m_drawlist_old->clear();
m_control.blocks_would_have_drawn = blocks_would_have_drawn;
m_control.blocks_drawn = blocks_drawn;
m_control.farthest_drawn = farthest_drawn;
g_profiler->avg("CM: blocks total", m_blocks.size());
g_profiler->avg("CM: blocks in range", blocks_in_range);
g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
if(blocks_in_range != 0)
g_profiler->avg("CM: blocks in range without mesh (frac)",
(float)blocks_in_range_without_mesh/blocks_in_range);
g_profiler->avg("CM: blocks drawn", blocks_drawn);
g_profiler->avg("CM: farthest drawn", farthest_drawn);
g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}
~unique_lock()
{
if(owns_lock())
mutex_.unlock();
}
void PlayerSAO::step(float dtime, bool send_recommended)
{
if (!m_player)
return;
if(!m_properties_sent)
{
std::string str = getPropertyPacket();
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push(aom);
m_properties_sent = true;
}
// If attached, check that our parent is still there. If it isn't, detach.
if(m_attachment_parent_id && !isAttached())
{
{
auto lock = try_lock_unique_rec();
if (!lock->owns_lock())
goto NOLOCK1;
m_attachment_parent_id = 0;
m_attachment_bone = "";
m_attachment_position = v3f(0,0,0);
m_attachment_rotation = v3f(0,0,0);
}
setBasePosition(m_last_good_position);
((Server*)m_env->getGameDef())->SendMovePlayer(m_peer_id);
}
NOLOCK1:;
//dstream<<"PlayerSAO::step: dtime: "<<dtime<<std::endl;
// Set lag pool maximums based on estimated lag
const float LAG_POOL_MIN = 5.0;
float lag_pool_max = m_env->getMaxLagEstimate() * 2.0;
if(lag_pool_max < LAG_POOL_MIN)
lag_pool_max = LAG_POOL_MIN;
m_dig_pool.setMax(lag_pool_max);
m_move_pool.setMax(lag_pool_max);
// Increment cheat prevention timers
m_dig_pool.add(dtime);
m_move_pool.add(dtime);
{
auto lock = try_lock_unique_rec();
if (!lock->owns_lock())
goto NOLOCK2;
m_time_from_last_punch += dtime;
m_nocheat_dig_time += dtime;
m_ms_from_last_respawn += dtime*1000;
}
NOLOCK2:;
// Each frame, parent position is copied if the object is attached, otherwise it's calculated normally
// If the object gets detached this comes into effect automatically from the last known origin
if (isAttached()) {
v3f pos = m_env->getActiveObject(m_attachment_parent_id)->getBasePosition();
m_last_good_position = pos;
setBasePosition(pos);
}
if (!send_recommended)
return;
// If the object is attached client-side, don't waste bandwidth sending its position to clients
if(m_position_not_sent && !isAttached())
{
m_position_not_sent = false;
float update_interval = m_env->getSendRecommendedInterval();
v3f pos, vel, acc;
if(isAttached()) // Just in case we ever do send attachment position too
pos = m_env->getActiveObject(m_attachment_parent_id)->getBasePosition();
else
{
pos = m_base_position + v3f(0,BS*1,0);
vel = m_player->getSpeed();
}
std::string str = gob_cmd_update_position(
pos,
vel,
acc,
m_yaw,
true,
false,
update_interval
);
// create message and add to list
ActiveObjectMessage aom(getId(), false, str);
m_messages_out.push(aom);
}
if (!m_armor_groups_sent) {
m_armor_groups_sent = true;
std::string str = gob_cmd_update_armor_groups(
m_armor_groups);
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push(aom);
}
if (!m_physics_override_sent) {
auto lock = try_lock_unique_rec();
if (!lock->owns_lock())
goto NOLOCK3;
m_physics_override_sent = true;
std::string str = gob_cmd_update_physics_override(m_physics_override_speed,
m_physics_override_jump, m_physics_override_gravity,
m_physics_override_sneak, m_physics_override_sneak_glitch);
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push(aom);
}
NOLOCK3:;
if (!m_animation_sent) {
auto lock = try_lock_unique_rec();
if (!lock->owns_lock())
goto NOLOCK4;
m_animation_sent = true;
std::string str = gob_cmd_update_animation(
m_animation_range, m_animation_speed, m_animation_blend, m_animation_loop);
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push(aom);
}
NOLOCK4:;
if (!m_bone_position_sent) {
m_bone_position_sent = true;
for (UNORDERED_MAP<std::string, core::vector2d<v3f> >::const_iterator
ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
std::string str = gob_cmd_update_bone_position((*ii).first,
(*ii).second.X, (*ii).second.Y);
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push(aom);
}
}
if (!m_attachment_sent){
m_attachment_sent = true;
std::string str = gob_cmd_update_attachment(m_attachment_parent_id,
m_attachment_bone, m_attachment_position, m_attachment_rotation);
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push(aom);
}
}
operator bool() const{ return owns_lock(); }
~lock_guard(){if(owns_lock())ptr->unlock();}
int RemoteClient::GetNextBlocks (
ServerEnvironment *env,
EmergeManager * emerge,
float dtime,
double m_uptime,
std::vector<PrioritySortedBlockTransfer> &dest)
{
DSTACK(FUNCTION_NAME);
auto lock = lock_unique_rec();
if (!lock->owns_lock())
return 0;
// Increment timers
m_nothing_to_send_pause_timer -= dtime;
m_nearest_unsent_reset_timer += dtime;
m_time_from_building += dtime;
if (m_nearest_unsent_reset) {
m_nearest_unsent_reset = 0;
m_nearest_unsent_reset_timer = 999;
m_nothing_to_send_pause_timer = 0;
m_time_from_building = 999;
}
if(m_nothing_to_send_pause_timer >= 0)
return 0;
Player *player = env->getPlayer(peer_id);
// This can happen sometimes; clients and players are not in perfect sync.
if(player == NULL)
return 0;
v3f playerpos = player->getPosition();
v3f playerspeed = player->getSpeed();
if(playerspeed.getLength() > 1000.0*BS) //cheater or bug, ignore him
return 0;
v3f playerspeeddir(0,0,0);
if(playerspeed.getLength() > 1.0*BS)
playerspeeddir = playerspeed / playerspeed.getLength();
// Predict to next block
v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
v3s16 center = getNodeBlockPos(center_nodepos);
// Camera position and direction
v3f camera_pos = player->getEyePosition();
v3f camera_dir = v3f(0,0,1);
camera_dir.rotateYZBy(player->getPitch());
camera_dir.rotateXZBy(player->getYaw());
//infostream<<"camera_dir=("<<camera_dir<<")"<< " camera_pos="<<camera_pos<<std::endl;
/*
Get the starting value of the block finder radius.
*/
if(m_last_center != center)
{
m_last_center = center;
m_nearest_unsent_reset_timer = 999;
}
if (m_last_direction.getDistanceFrom(camera_dir)>0.4) { // 1 = 90deg
m_last_direction = camera_dir;
m_nearest_unsent_reset_timer = 999;
}
/*infostream<<"m_nearest_unsent_reset_timer="
<<m_nearest_unsent_reset_timer<<std::endl;*/
// Reset periodically to workaround for some bugs or stuff
if(m_nearest_unsent_reset_timer > 120.0)
{
m_nearest_unsent_reset_timer = 0;
m_nearest_unsent_d = 0;
m_nearest_unsent_reset = 0;
//infostream<<"Resetting m_nearest_unsent_d for "<<peer_id<<std::endl;
}
//s16 last_nearest_unsent_d = m_nearest_unsent_d;
s16 d_start = m_nearest_unsent_d;
//infostream<<"d_start="<<d_start<<std::endl;
static const u16 max_simul_sends_setting = g_settings->getU16
("max_simultaneous_block_sends_per_client");
static const u16 max_simul_sends_usually = max_simul_sends_setting;
/*
Check the time from last addNode/removeNode.
Decrease send rate if player is building stuff.
*/
static const auto full_block_send_enable_min_time_from_building = g_settings->getFloat("full_block_send_enable_min_time_from_building");
if(m_time_from_building < full_block_send_enable_min_time_from_building)
{
/*
max_simul_sends_usually
= LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
*/
if(d_start<=1)
d_start=2;
m_nearest_unsent_reset_timer = 999; //magical number more than ^ other number 120 - need to reset d on next iteration
}
/*
Number of blocks sending + number of blocks selected for sending
*/
u32 num_blocks_selected = 0;
u32 num_blocks_sending = 0;
/*
next time d will be continued from the d from which the nearest
unsent block was found this time.
This is because not necessarily any of the blocks found this
time are actually sent.
*/
s32 new_nearest_unsent_d = -1;
static const auto max_block_send_distance = g_settings->getS16("max_block_send_distance");
s16 full_d_max = max_block_send_distance;
if (wanted_range) {
s16 wanted_blocks = wanted_range / MAP_BLOCKSIZE + 1;
if (wanted_blocks < full_d_max)
full_d_max = wanted_blocks;
}
s16 d_max = full_d_max;
static const s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
// Don't loop very much at a time
s16 max_d_increment_at_time = 10;
if(d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
/*if(d_max_gen > d_start+2)
d_max_gen = d_start+2;*/
//infostream<<"Starting from "<<d_start<<std::endl;
s32 nearest_emerged_d = -1;
s32 nearest_emergefull_d = -1;
s32 nearest_sent_d = -1;
//bool queue_is_full = false;
f32 speed_in_blocks = (playerspeed/(MAP_BLOCKSIZE*BS)).getLength();
int blocks_occlusion_culled = 0;
static const bool server_occlusion = g_settings->getBool("server_occlusion");
bool occlusion_culling_enabled = server_occlusion;
auto cam_pos_nodes = floatToInt(playerpos, BS);
auto nodemgr = env->getGameDef()->getNodeDefManager();
MapNode n;
{
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
n = env->getMap().getNodeTry(cam_pos_nodes);
}
if(n && nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
unordered_map_v3POS<bool> occlude_cache;
s16 d;
for(d = d_start; d <= d_max; d++) {
/*errorstream<<"checking d="<<d<<" for "
<<server->getPlayerName(peer_id)<<std::endl;*/
//infostream<<"RemoteClient::SendBlocks(): d="<<d<<" d_start="<<d_start<<" d_max="<<d_max<<" d_max_gen="<<d_max_gen<<std::endl;
std::vector<v3POS> list;
if (d > 2 && d == d_start && m_nearest_unsent_reset_timer != 999) { // oops, again magic number from up ^
list.push_back(v3POS(0,0,0));
}
bool can_skip = d > 1;
// Fast fall/move optimize. speed_in_blocks now limited to 6.4
if (speed_in_blocks>0.8 && d <= 2) {
can_skip = false;
if (d == 0) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*2; ++addn)
list.push_back(floatToInt(playerspeeddir*addn, 1));
} else if (d == 1) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*1.5; ++addn) {
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 0, 0, 1)); // back
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, 0)); // left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, 0)); // right
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 0, 0, -1)); // front
}
} else if (d == 2) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*1.5; ++addn) {
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, 1)); // back left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, 1)); // left right
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, -1)); // right left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, -1)); // front right
}
}
} else {
/*
Get the border/face dot coordinates of a "d-radiused"
box
*/
list = FacePositionCache::getFacePositions(d);
}
for(auto li=list.begin(); li!=list.end(); ++li)
{
v3POS p = *li + center;
/*
Send throttling
- Don't allow too many simultaneous transfers
- EXCEPT when the blocks are very close
Also, don't send blocks that are already flying.
*/
// Start with the usual maximum
u16 max_simul_dynamic = max_simul_sends_usually;
// If block is very close, allow full maximum
if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
max_simul_dynamic = max_simul_sends_setting;
// Don't select too many blocks for sending
if (num_blocks_selected + num_blocks_sending >= max_simul_dynamic) {
//queue_is_full = true;
goto queue_full_break;
}
/*
Do not go over-limit
*/
if (blockpos_over_limit(p))
continue;
// If this is true, inexistent block will be made from scratch
bool generate = d <= d_max_gen;
{
/*// Limit the generating area vertically to 2/3
if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
generate = false;*/
/* maybe good idea (if not use block culling) but brokes far (25+) area generate by flooding emergequeue with no generate blocks
// Limit the send area vertically to 1/2
if(can_skip && abs(p.Y - center.Y) > full_d_max / 2)
generate = false;
*/
}
//infostream<<"d="<<d<<std::endl;
/*
Don't generate or send if not in sight
FIXME This only works if the client uses a small enough
FOV setting. The default of 72 degrees is fine.
*/
float camera_fov = ((fov+5)*M_PI/180) * 4./3.;
if(can_skip && isBlockInSight(p, camera_pos, camera_dir, camera_fov, 10000*BS) == false)
{
continue;
}
/*
Don't send already sent blocks
*/
unsigned int block_sent = 0;
{
auto lock = m_blocks_sent.lock_shared_rec();
block_sent = m_blocks_sent.find(p) != m_blocks_sent.end() ? m_blocks_sent.get(p) : 0;
}
if(block_sent > 0 && (/* (block_overflow && d>1) || */ block_sent + (d <= 2 ? 1 : d*d*d) > m_uptime)) {
continue;
}
/*
Check if map has this block
*/
MapBlock *block;
{
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
block = env->getMap().getBlockNoCreateNoEx(p);
}
bool surely_not_found_on_disk = false;
bool block_is_invalid = false;
if(block != NULL)
{
if (d > 3 && block->content_only == CONTENT_AIR) {
continue;
}
if (block_sent > 0 && block_sent >= block->m_changed_timestamp) {
continue;
}
if (occlusion_culling_enabled) {
ScopeProfiler sp(g_profiler, "SMap: Occusion calls");
//Occlusion culling
auto cpn = p*MAP_BLOCKSIZE;
// No occlusion culling when free_move is on and camera is
// inside ground
cpn += v3POS(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = 1;
float stepfac = 1.3;
float startoff = 5;
float endoff = -MAP_BLOCKSIZE;
v3POS spn = cam_pos_nodes + v3POS(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
//VERY BAD COPYPASTE FROM clientmap.cpp!
if( d >= 1 &&
occlusion_culling_enabled &&
isOccluded(&env->getMap(), spn, cpn + v3POS(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache)
)
{
//infostream<<" occlusion player="<<cam_pos_nodes<<" d="<<d<<" block="<<cpn<<" total="<<blocks_occlusion_culled<<"/"<<num_blocks_selected<<std::endl;
g_profiler->add("SMap: Occlusion skip", 1);
blocks_occlusion_culled++;
continue;
}
}
// Reset usage timer, this block will be of use in the future.
block->resetUsageTimer();
if (block->getLightingExpired()) {
//env->getServerMap().lighting_modified_blocks.set(p, nullptr);
env->getServerMap().lighting_modified_add(p, d);
}
if (block->lighting_broken > 0 && (block_sent || d > 0))
continue;
// Block is valid if lighting is up-to-date and data exists
if(block->isValid() == false)
{
block_is_invalid = true;
}
if(block->isGenerated() == false)
{
continue;
}
/*
If block is not close, don't send it unless it is near
ground level.
Block is near ground level if night-time mesh
differs from day-time mesh.
*/
/*
if(d >= 4)
{
if(block->getDayNightDiff() == false)
continue;
}
*/
}
/*
If block has been marked to not exist on disk (dummy)
and generating new ones is not wanted, skip block.
*/
if(generate == false && surely_not_found_on_disk == true)
{
// get next one.
continue;
}
/*
Add inexistent block to emerge queue.
*/
if(block == NULL || surely_not_found_on_disk || block_is_invalid)
{
//infostream<<"start gen d="<<d<<" p="<<p<<" notfound="<<surely_not_found_on_disk<<" invalid="<< block_is_invalid<<" block="<<block<<" generate="<<generate<<std::endl;
if (emerge->enqueueBlockEmerge(peer_id, p, generate)) {
if (nearest_emerged_d == -1)
nearest_emerged_d = d;
} else {
if (nearest_emergefull_d == -1)
nearest_emergefull_d = d;
goto queue_full_break;
}
// get next one.
continue;
}
if(nearest_sent_d == -1)
nearest_sent_d = d;
/*
Add block to send queue
*/
PrioritySortedBlockTransfer q((float)d, p, peer_id);
dest.push_back(q);
num_blocks_selected += 1;
}
}
queue_full_break:
//infostream<<"Stopped at "<<d<<" d_start="<<d_start<< " d_max="<<d_max<<" nearest_emerged_d="<<nearest_emerged_d<<" nearest_emergefull_d="<<nearest_emergefull_d<< " new_nearest_unsent_d="<<new_nearest_unsent_d<< " sel="<<num_blocks_selected<< "+"<<num_blocks_sending << " culled=" << blocks_occlusion_culled <<" cEN="<<occlusion_culling_enabled<<std::endl;
num_blocks_selected += num_blocks_sending;
if(!num_blocks_selected && d_start <= d) {
//new_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 1.0;
}
// If nothing was found for sending and nothing was queued for
// emerging, continue next time browsing from here
if(nearest_emerged_d != -1){
new_nearest_unsent_d = nearest_emerged_d;
} else if(nearest_emergefull_d != -1){
new_nearest_unsent_d = nearest_emergefull_d;
} else {
if(d > full_d_max){
new_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 1.0;
} else {
if(nearest_sent_d != -1)
new_nearest_unsent_d = nearest_sent_d;
else
new_nearest_unsent_d = d;
}
}
if(new_nearest_unsent_d != -1)
m_nearest_unsent_d = new_nearest_unsent_d;
return num_blocks_selected - num_blocks_sending;
}
u32 Map::updateLighting(concurrent_map<v3POS, MapBlock*> & a_blocks,
std::map<v3POS, MapBlock*> & modified_blocks, unsigned int max_cycle_ms) {
INodeDefManager *nodemgr = m_gamedef->ndef();
int ret = 0;
int loopcount = 0;
TimeTaker timer("updateLighting");
// For debugging
//bool debug=true;
//u32 count_was = modified_blocks.size();
//std::unordered_set<v3POS, v3POSHash, v3POSEqual> light_sources;
//std::unordered_map<v3POS, u8, v3POSHash, v3POSEqual> unlight_from_day, unlight_from_night;
std::set<v3POS> light_sources;
std::map<v3POS, u8> unlight_from_day, unlight_from_night;
unordered_map_v3POS<int> processed;
int num_bottom_invalid = 0;
//MutexAutoLock lock2(m_update_lighting_mutex);
#if !ENABLE_THREADS
auto lock = m_nothread_locker.lock_unique_rec();
#endif
{
//TimeTaker t("updateLighting: first stuff");
u32 end_ms = porting::getTimeMs() + max_cycle_ms;
for(auto i = a_blocks.begin();
i != a_blocks.end(); ++i) {
auto block = getBlockNoCreateNoEx(i->first);
for(;;) {
// Don't bother with dummy blocks.
if(!block || block->isDummy())
break;
auto lock = block->try_lock_unique_rec();
if (!lock->owns_lock())
break; // may cause dark areas
v3POS pos = block->getPos();
if (processed.count(pos) && processed[pos] <= i->first.Y ) {
break;
}
++loopcount;
processed[pos] = i->first.Y;
v3POS posnodes = block->getPosRelative();
//modified_blocks[pos] = block;
block->setLightingExpired(true);
block->lighting_broken = true;
/*
Clear all light from block
*/
for(s16 z = 0; z < MAP_BLOCKSIZE; z++)
for(s16 x = 0; x < MAP_BLOCKSIZE; x++)
for(s16 y = 0; y < MAP_BLOCKSIZE; y++) {
v3POS p(x, y, z);
bool is_valid_position;
MapNode n = block->getNode(p, &is_valid_position);
if (!is_valid_position) {
/* This would happen when dealing with a
dummy block.
*/
infostream << "updateLighting(): InvalidPositionException"
<< std::endl;
continue;
}
u8 oldlight_day = n.getLight(LIGHTBANK_DAY, nodemgr);
u8 oldlight_night = n.getLight(LIGHTBANK_NIGHT, nodemgr);
n.setLight(LIGHTBANK_DAY, 0, nodemgr);
n.setLight(LIGHTBANK_NIGHT, 0, nodemgr);
block->setNode(p, n);
// If node sources light, add to list
//u8 source = nodemgr->get(n).light_source;
if(nodemgr->get(n).light_source)
light_sources.insert(p + posnodes);
v3POS p_map = p + posnodes;
// Collect borders for unlighting
if(x == 0 || x == MAP_BLOCKSIZE - 1
|| y == 0 || y == MAP_BLOCKSIZE - 1
|| z == 0 || z == MAP_BLOCKSIZE - 1) {
if(oldlight_day)
unlight_from_day[p_map] = oldlight_day;
if(oldlight_night)
unlight_from_night[p_map] = oldlight_night;
}
}
lock->unlock();
bool bottom_valid = propagateSunlight(pos, light_sources);
if(!bottom_valid)
num_bottom_invalid++;
pos.Y--;
block = getBlockNoCreateNoEx(pos);
}
if (porting::getTimeMs() > end_ms) {
++ret;
break;
}
}
}
{
//TimeTaker timer("updateLighting: unspreadLight");
unspreadLight(LIGHTBANK_DAY, unlight_from_day, light_sources, modified_blocks);
unspreadLight(LIGHTBANK_NIGHT, unlight_from_night, light_sources, modified_blocks);
}
{
//TimeTaker timer("updateLighting: spreadLight");
spreadLight(LIGHTBANK_DAY, light_sources, modified_blocks, porting::getTimeMs() + max_cycle_ms * 10);
spreadLight(LIGHTBANK_NIGHT, light_sources, modified_blocks, porting::getTimeMs() + max_cycle_ms * 10);
}
for (auto & i : processed) {
a_blocks.erase(i.first);
MapBlock *block = getBlockNoCreateNoEx(i.first);
if(!block)
continue;
block->setLightingExpired(false);
block->lighting_broken = false;
}
g_profiler->add("Server: light blocks", loopcount);
return ret;
}
u32 Map::timerUpdate(float uptime, float unload_timeout, u32 max_loaded_blocks,
unsigned int max_cycle_ms,
std::vector<v3POS> *unloaded_blocks) {
bool save_before_unloading = (mapType() == MAPTYPE_SERVER);
// Profile modified reasons
Profiler modprofiler;
if (/*!m_blocks_update_last && */ m_blocks_delete->size() > 1000) {
m_blocks_delete = (m_blocks_delete == &m_blocks_delete_1 ? &m_blocks_delete_2 : &m_blocks_delete_1);
verbosestream << "Deleting blocks=" << m_blocks_delete->size() << std::endl;
for (auto & ir : *m_blocks_delete)
delete ir.first;
m_blocks_delete->clear();
getBlockCacheFlush();
}
u32 deleted_blocks_count = 0;
u32 saved_blocks_count = 0;
u32 block_count_all = 0;
u32 n = 0, calls = 0, end_ms = porting::getTimeMs() + max_cycle_ms;
std::vector<MapBlockP> blocks_delete;
int save_started = 0;
{
auto lock = m_blocks.try_lock_shared_rec();
if (!lock->owns_lock())
return m_blocks_update_last;
#if !ENABLE_THREADS
auto lock_map = m_nothread_locker.try_lock_unique_rec();
if (!lock_map->owns_lock())
return m_blocks_update_last;
#endif
for(auto ir : m_blocks) {
if (n++ < m_blocks_update_last) {
continue;
} else {
m_blocks_update_last = 0;
}
++calls;
auto block = ir.second;
if (!block)
continue;
{
auto lock = block->try_lock_unique_rec();
if (!lock->owns_lock())
continue;
if(block->getUsageTimer() > unload_timeout) { // block->refGet() <= 0 &&
v3POS p = block->getPos();
//infostream<<" deleting block p="<<p<<" ustimer="<<block->getUsageTimer() <<" to="<< unload_timeout<<" inc="<<(uptime - block->m_uptime_timer_last)<<" state="<<block->getModified()<<std::endl;
// Save if modified
if (block->getModified() != MOD_STATE_CLEAN && save_before_unloading) {
//modprofiler.add(block->getModifiedReasonString(), 1);
if(!save_started++)
beginSave();
if (!saveBlock(block))
continue;
saved_blocks_count++;
}
blocks_delete.push_back(block);
if(unloaded_blocks)
unloaded_blocks->push_back(p);
deleted_blocks_count++;
} else {
#ifndef SERVER
if (block->mesh_old)
block->mesh_old = nullptr;
#endif
if (!block->m_uptime_timer_last) // not very good place, but minimum modifications
block->m_uptime_timer_last = uptime - 0.1;
block->incrementUsageTimer(uptime - block->m_uptime_timer_last);
block->m_uptime_timer_last = uptime;
block_count_all++;
/*#ifndef SERVER
if(block->refGet() == 0 && block->getUsageTimer() >
g_settings->getFloat("unload_unused_meshes_timeout"))
{
if(block->mesh){
delete block->mesh;
block->mesh = NULL;
}
}
#endif*/
}
} // block lock
if (porting::getTimeMs() > end_ms) {
m_blocks_update_last = n;
break;
}
}
}
if(save_started)
endSave();
if (!calls)
m_blocks_update_last = 0;
for (auto & block : blocks_delete)
this->deleteBlock(block);
// Finally delete the empty sectors
if(deleted_blocks_count != 0) {
if (m_blocks_update_last)
infostream << "ServerMap: timerUpdate(): Blocks processed:" << calls << "/" << m_blocks.size() << " to " << m_blocks_update_last << std::endl;
PrintInfo(infostream); // ServerMap/ClientMap:
infostream << "Unloaded " << deleted_blocks_count << "/" << (block_count_all + deleted_blocks_count)
<< " blocks from memory";
infostream << " (deleteq1=" << m_blocks_delete_1.size() << " deleteq2=" << m_blocks_delete_2.size() << ")";
if(saved_blocks_count)
infostream << ", of which " << saved_blocks_count << " were written";
/*
infostream<<", "<<block_count_all<<" blocks in memory";
*/
infostream << "." << std::endl;
if(saved_blocks_count != 0) {
PrintInfo(infostream); // ServerMap/ClientMap:
//infostream<<"Blocks modified by: "<<std::endl;
modprofiler.print(infostream);
}
}
return m_blocks_update_last;
}
