void PlayerDatabaseSQLite3::savePlayer(RemotePlayer *player)
{
PlayerSAO* sao = player->getPlayerSAO();
sanity_check(sao);
const v3f &pos = sao->getBasePosition();
// Begin save in brace is mandatory
if (!playerDataExists(player->getName())) {
beginSave();
str_to_sqlite(m_stmt_player_add, 1, player->getName());
double_to_sqlite(m_stmt_player_add, 2, sao->getPitch());
double_to_sqlite(m_stmt_player_add, 3, sao->getYaw());
double_to_sqlite(m_stmt_player_add, 4, pos.X);
double_to_sqlite(m_stmt_player_add, 5, pos.Y);
double_to_sqlite(m_stmt_player_add, 6, pos.Z);
int64_to_sqlite(m_stmt_player_add, 7, sao->getHP());
int64_to_sqlite(m_stmt_player_add, 8, sao->getBreath());
sqlite3_vrfy(sqlite3_step(m_stmt_player_add), SQLITE_DONE);
sqlite3_reset(m_stmt_player_add);
} else {
beginSave();
double_to_sqlite(m_stmt_player_update, 1, sao->getPitch());
double_to_sqlite(m_stmt_player_update, 2, sao->getYaw());
double_to_sqlite(m_stmt_player_update, 3, pos.X);
double_to_sqlite(m_stmt_player_update, 4, pos.Y);
double_to_sqlite(m_stmt_player_update, 5, pos.Z);
int64_to_sqlite(m_stmt_player_update, 6, sao->getHP());
int64_to_sqlite(m_stmt_player_update, 7, sao->getBreath());
str_to_sqlite(m_stmt_player_update, 8, player->getName());
sqlite3_vrfy(sqlite3_step(m_stmt_player_update), SQLITE_DONE);
sqlite3_reset(m_stmt_player_update);
}
// Write player inventories
str_to_sqlite(m_stmt_player_remove_inventory, 1, player->getName());
sqlite3_vrfy(sqlite3_step(m_stmt_player_remove_inventory), SQLITE_DONE);
sqlite3_reset(m_stmt_player_remove_inventory);
str_to_sqlite(m_stmt_player_remove_inventory_items, 1, player->getName());
sqlite3_vrfy(sqlite3_step(m_stmt_player_remove_inventory_items), SQLITE_DONE);
sqlite3_reset(m_stmt_player_remove_inventory_items);
std::vector<const InventoryList*> inventory_lists = sao->getInventory()->getLists();
for (u16 i = 0; i < inventory_lists.size(); i++) {
const InventoryList* list = inventory_lists[i];
str_to_sqlite(m_stmt_player_add_inventory, 1, player->getName());
int_to_sqlite(m_stmt_player_add_inventory, 2, i);
int_to_sqlite(m_stmt_player_add_inventory, 3, list->getWidth());
str_to_sqlite(m_stmt_player_add_inventory, 4, list->getName());
int_to_sqlite(m_stmt_player_add_inventory, 5, list->getSize());
sqlite3_vrfy(sqlite3_step(m_stmt_player_add_inventory), SQLITE_DONE);
sqlite3_reset(m_stmt_player_add_inventory);
for (u32 j = 0; j < list->getSize(); j++) {
std::ostringstream os;
list->getItem(j).serialize(os);
std::string itemStr = os.str();
str_to_sqlite(m_stmt_player_add_inventory_items, 1, player->getName());
int_to_sqlite(m_stmt_player_add_inventory_items, 2, i);
int_to_sqlite(m_stmt_player_add_inventory_items, 3, j);
str_to_sqlite(m_stmt_player_add_inventory_items, 4, itemStr);
sqlite3_vrfy(sqlite3_step(m_stmt_player_add_inventory_items), SQLITE_DONE);
sqlite3_reset(m_stmt_player_add_inventory_items);
}
}
str_to_sqlite(m_stmt_player_metadata_remove, 1, player->getName());
sqlite3_vrfy(sqlite3_step(m_stmt_player_metadata_remove), SQLITE_DONE);
sqlite3_reset(m_stmt_player_metadata_remove);
const PlayerAttributes &attrs = sao->getExtendedAttributes();
for (PlayerAttributes::const_iterator it = attrs.begin(); it != attrs.end(); ++it) {
str_to_sqlite(m_stmt_player_metadata_add, 1, player->getName());
str_to_sqlite(m_stmt_player_metadata_add, 2, it->first);
str_to_sqlite(m_stmt_player_metadata_add, 3, it->second);
sqlite3_vrfy(sqlite3_step(m_stmt_player_metadata_add), SQLITE_DONE);
sqlite3_reset(m_stmt_player_metadata_add);
}
endSave();
}
void RemoteClient::GetNextBlocks (
ServerEnvironment *env,
EmergeManager * emerge,
float dtime,
std::vector<PrioritySortedBlockTransfer> &dest)
{
DSTACK(FUNCTION_NAME);
// Increment timers
m_nothing_to_send_pause_timer -= dtime;
m_nearest_unsent_reset_timer += dtime;
if(m_nothing_to_send_pause_timer >= 0)
return;
RemotePlayer *player = env->getPlayer(peer_id);
// This can happen sometimes; clients and players are not in perfect sync.
if (!player)
return;
PlayerSAO *sao = player->getPlayerSAO();
if (!sao)
return;
// Won't send anything if already sending
if(m_blocks_sending.size() >= g_settings->getU16
("max_simultaneous_block_sends_per_client"))
{
//infostream<<"Not sending any blocks, Queue full."<<std::endl;
return;
}
v3f playerpos = sao->getBasePosition();
const v3f &playerspeed = player->getSpeed();
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 = sao->getEyePosition();
v3f camera_dir = v3f(0,0,1);
camera_dir.rotateYZBy(sao->getPitch());
camera_dir.rotateXZBy(sao->getYaw());
/*infostream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
<<camera_dir.Z<<")"<<std::endl;*/
/*
Get the starting value of the block finder radius.
*/
if(m_last_center != center)
{
m_nearest_unsent_d = 0;
m_last_center = center;
}
/*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 > 20.0)
{
m_nearest_unsent_reset_timer = 0;
m_nearest_unsent_d = 0;
//infostream<<"Resetting m_nearest_unsent_d for "
// <<server->getPlayerName(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;
u16 max_simul_sends_setting = g_settings->getU16
("max_simultaneous_block_sends_per_client");
u16 max_simul_sends_usually = max_simul_sends_setting;
/*
Check the time from last addNode/removeNode.
Decrease send rate if player is building stuff.
*/
m_time_from_building += dtime;
if(m_time_from_building < g_settings->getFloat(
"full_block_send_enable_min_time_from_building"))
{
max_simul_sends_usually
= LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
}
/*
Number of blocks sending + number of blocks selected for sending
*/
u32 num_blocks_selected = m_blocks_sending.size();
/*
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;
// 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 = 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;
if(d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
s32 nearest_emerged_d = -1;
s32 nearest_emergefull_d = -1;
s32 nearest_sent_d = -1;
//bool queue_is_full = false;
const v3s16 cam_pos_nodes = floatToInt(camera_pos, BS);
const bool occ_cull = g_settings->getBool("server_side_occlusion_culling");
s16 d;
for(d = d_start; d <= d_max; d++) {
/*
Get the border/face dot coordinates of a "d-radiused"
box
*/
std::vector<v3s16> list = FacePositionCache::getFacePositions(d);
std::vector<v3s16>::iterator li;
for(li = list.begin(); li != list.end(); ++li) {
v3s16 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 >= max_simul_dynamic) {
//queue_is_full = true;
goto queue_full_break;
}
// Don't send blocks that are currently being transferred
if (m_blocks_sending.find(p) != m_blocks_sending.end())
continue;
/*
Do not go over max mapgen limit
*/
if (blockpos_over_max_limit(p))
continue;
// If this is true, inexistent block will be made from scratch
bool generate = d <= d_max_gen;
/*
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.
*/
f32 dist;
if (!isBlockInSight(p, camera_pos, camera_dir, camera_fov, d_blocks_in_sight, &dist)) {
continue;
}
/*
Don't send already sent blocks
*/
{
if(m_blocks_sent.find(p) != m_blocks_sent.end())
{
continue;
}
}
/*
Check if map has this block
*/
MapBlock *block = env->getMap().getBlockNoCreateNoEx(p);
bool surely_not_found_on_disk = false;
bool block_is_invalid = false;
if (block) {
// Reset usage timer, this block will be of use in the future.
block->resetUsageTimer();
// Block is dummy if data doesn't exist.
// It means it has been not found from disk and not generated
if (block->isDummy()) {
surely_not_found_on_disk = true;
}
if (!block->isGenerated())
block_is_invalid = true;
/*
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 >= d_opt) {
if (!block->getDayNightDiff())
continue;
}
if (occ_cull && !block_is_invalid &&
env->getMap().isBlockOccluded(block, cam_pos_nodes)) {
continue;
}
}
/*
If block has been marked to not exist on disk (dummy)
and generating new ones is not wanted, skip block.
*/
if (!generate && surely_not_found_on_disk) {
// get next one.
continue;
}
/*
Add inexistent block to emerge queue.
*/
if(block == NULL || surely_not_found_on_disk || block_is_invalid)
{
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)dist, p, peer_id);
dest.push_back(q);
num_blocks_selected += 1;
}
}
queue_full_break:
// 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 = 2.0;
} 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;
}
void PlayerDatabasePostgreSQL::savePlayer(RemotePlayer *player)
{
PlayerSAO* sao = player->getPlayerSAO();
if (!sao)
return;
verifyDatabase();
v3f pos = sao->getBasePosition();
std::string pitch = ftos(sao->getPitch());
std::string yaw = ftos(sao->getYaw());
std::string posx = ftos(pos.X);
std::string posy = ftos(pos.Y);
std::string posz = ftos(pos.Z);
std::string hp = itos(sao->getHP());
std::string breath = itos(sao->getBreath());
const char *values[] = {
player->getName(),
pitch.c_str(),
yaw.c_str(),
posx.c_str(), posy.c_str(), posz.c_str(),
hp.c_str(),
breath.c_str()
};
const char* rmvalues[] = { player->getName() };
beginSave();
if (getPGVersion() < 90500) {
if (!playerDataExists(player->getName()))
execPrepared("create_player", 8, values, true, false);
else
execPrepared("update_player", 8, values, true, false);
}
else
execPrepared("save_player", 8, values, true, false);
// Write player inventories
execPrepared("remove_player_inventories", 1, rmvalues);
execPrepared("remove_player_inventory_items", 1, rmvalues);
std::vector<const InventoryList*> inventory_lists = sao->getInventory()->getLists();
for (u16 i = 0; i < inventory_lists.size(); i++) {
const InventoryList* list = inventory_lists[i];
const std::string &name = list->getName();
std::string width = itos(list->getWidth()),
inv_id = itos(i), lsize = itos(list->getSize());
const char* inv_values[] = {
player->getName(),
inv_id.c_str(),
width.c_str(),
name.c_str(),
lsize.c_str()
};
execPrepared("add_player_inventory", 5, inv_values);
for (u32 j = 0; j < list->getSize(); j++) {
std::ostringstream os;
list->getItem(j).serialize(os);
std::string itemStr = os.str(), slotId = itos(j);
const char* invitem_values[] = {
player->getName(),
inv_id.c_str(),
slotId.c_str(),
itemStr.c_str()
};
execPrepared("add_player_inventory_item", 4, invitem_values);
}
}
execPrepared("remove_player_metadata", 1, rmvalues);
const StringMap &attrs = sao->getMeta().getStrings();
for (const auto &attr : attrs) {
const char *meta_values[] = {
player->getName(),
attr.first.c_str(),
attr.second.c_str()
};
execPrepared("save_player_metadata", 3, meta_values);
}
sao->getMeta().setModified(false);
endSave();
}