#include <sstream>
#include "clientiface.h"
+#include "content_sao.h"
#include "network/connection.h"
#include "network/serveropcodes.h"
#include "remoteplayer.h"
#include "serverenvironment.h"
#include "map.h"
#include "emerge.h"
-#include "content_sao.h" // TODO this is used for cleanup of only
+#include "server/player_sao.h"
#include "log.h"
#include "util/srp.h"
#include "face_position_cache.h"
#include "remoteplayer.h"
#include "server.h"
#include "scripting_server.h"
+#include "server/player_sao.h"
#include "settings.h"
#include <algorithm>
#include <cmath>
{
return m_prop.collideWithObjects;
}
-
-/*
- PlayerSAO
-*/
-
-// No prototype, PlayerSAO does not need to be deserialized
-
-PlayerSAO::PlayerSAO(ServerEnvironment *env_, RemotePlayer *player_, session_t peer_id_,
- bool is_singleplayer):
- UnitSAO(env_, v3f(0,0,0)),
- m_player(player_),
- m_peer_id(peer_id_),
- m_is_singleplayer(is_singleplayer)
-{
- SANITY_CHECK(m_peer_id != PEER_ID_INEXISTENT);
-
- m_prop.hp_max = PLAYER_MAX_HP_DEFAULT;
- m_prop.breath_max = PLAYER_MAX_BREATH_DEFAULT;
- m_prop.physical = false;
- m_prop.collisionbox = aabb3f(-0.3f, 0.0f, -0.3f, 0.3f, 1.77f, 0.3f);
- m_prop.selectionbox = aabb3f(-0.3f, 0.0f, -0.3f, 0.3f, 1.77f, 0.3f);
- m_prop.pointable = true;
- // Start of default appearance, this should be overwritten by Lua
- m_prop.visual = "upright_sprite";
- m_prop.visual_size = v3f(1, 2, 1);
- m_prop.textures.clear();
- m_prop.textures.emplace_back("player.png");
- m_prop.textures.emplace_back("player_back.png");
- m_prop.colors.clear();
- m_prop.colors.emplace_back(255, 255, 255, 255);
- m_prop.spritediv = v2s16(1,1);
- m_prop.eye_height = 1.625f;
- // End of default appearance
- m_prop.is_visible = true;
- m_prop.backface_culling = false;
- m_prop.makes_footstep_sound = true;
- m_prop.stepheight = PLAYER_DEFAULT_STEPHEIGHT * BS;
- m_hp = m_prop.hp_max;
- m_breath = m_prop.breath_max;
- // Disable zoom in survival mode using a value of 0
- m_prop.zoom_fov = g_settings->getBool("creative_mode") ? 15.0f : 0.0f;
-
- if (!g_settings->getBool("enable_damage"))
- m_armor_groups["immortal"] = 1;
-}
-
-void PlayerSAO::finalize(RemotePlayer *player, const std::set<std::string> &privs)
-{
- assert(player);
- m_player = player;
- m_privs = privs;
-}
-
-v3f PlayerSAO::getEyeOffset() const
-{
- return v3f(0, BS * m_prop.eye_height, 0);
-}
-
-std::string PlayerSAO::getDescription()
-{
- return std::string("player ") + m_player->getName();
-}
-
-// Called after id has been set and has been inserted in environment
-void PlayerSAO::addedToEnvironment(u32 dtime_s)
-{
- ServerActiveObject::addedToEnvironment(dtime_s);
- ServerActiveObject::setBasePosition(m_base_position);
- m_player->setPlayerSAO(this);
- m_player->setPeerId(m_peer_id);
- m_last_good_position = m_base_position;
-}
-
-// Called before removing from environment
-void PlayerSAO::removingFromEnvironment()
-{
- ServerActiveObject::removingFromEnvironment();
- if (m_player->getPlayerSAO() == this) {
- unlinkPlayerSessionAndSave();
- for (u32 attached_particle_spawner : m_attached_particle_spawners) {
- m_env->deleteParticleSpawner(attached_particle_spawner, false);
- }
- }
-}
-
-std::string PlayerSAO::getClientInitializationData(u16 protocol_version)
-{
- std::ostringstream os(std::ios::binary);
-
- // Protocol >= 15
- writeU8(os, 1); // version
- os << serializeString(m_player->getName()); // name
- writeU8(os, 1); // is_player
- writeS16(os, getId()); // id
- writeV3F32(os, m_base_position);
- writeV3F32(os, m_rotation);
- writeU16(os, getHP());
-
- std::ostringstream msg_os(std::ios::binary);
- msg_os << serializeLongString(getPropertyPacket()); // message 1
- msg_os << serializeLongString(generateUpdateArmorGroupsCommand()); // 2
- msg_os << serializeLongString(generateUpdateAnimationCommand()); // 3
- for (std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
- ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
- msg_os << serializeLongString(generateUpdateBonePositionCommand((*ii).first,
- (*ii).second.X, (*ii).second.Y)); // m_bone_position.size
- }
- msg_os << serializeLongString(generateUpdateAttachmentCommand()); // 4
- msg_os << serializeLongString(generateUpdatePhysicsOverrideCommand()); // 5
- // (AO_CMD_UPDATE_NAMETAG_ATTRIBUTES) : Deprecated, for backwards compatibility only.
- msg_os << serializeLongString(generateUpdateNametagAttributesCommand(m_prop.nametag_color)); // 6
- int message_count = 6 + m_bone_position.size();
- for (std::unordered_set<int>::const_iterator ii = m_attachment_child_ids.begin();
- ii != m_attachment_child_ids.end(); ++ii) {
- if (ServerActiveObject *obj = m_env->getActiveObject(*ii)) {
- message_count++;
- msg_os << serializeLongString(obj->generateUpdateInfantCommand(*ii, protocol_version));
- }
- }
-
- writeU8(os, message_count);
- os.write(msg_os.str().c_str(), msg_os.str().size());
-
- // return result
- return os.str();
-}
-
-void PlayerSAO::getStaticData(std::string * result) const
-{
- FATAL_ERROR("Obsolete function");
-}
-
-void PlayerSAO::step(float dtime, bool send_recommended)
-{
- if (!isImmortal() && m_drowning_interval.step(dtime, 2.0f)) {
- // Get nose/mouth position, approximate with eye position
- v3s16 p = floatToInt(getEyePosition(), BS);
- MapNode n = m_env->getMap().getNode(p);
- const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n);
- // If node generates drown
- if (c.drowning > 0 && m_hp > 0) {
- if (m_breath > 0)
- setBreath(m_breath - 1);
-
- // No more breath, damage player
- if (m_breath == 0) {
- PlayerHPChangeReason reason(PlayerHPChangeReason::DROWNING);
- setHP(m_hp - c.drowning, reason);
- m_env->getGameDef()->SendPlayerHPOrDie(this, reason);
- }
- }
- }
-
- if (m_breathing_interval.step(dtime, 0.5f) && !isImmortal()) {
- // Get nose/mouth position, approximate with eye position
- v3s16 p = floatToInt(getEyePosition(), BS);
- MapNode n = m_env->getMap().getNode(p);
- const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n);
- // If player is alive & not drowning & not in ignore & not immortal, breathe
- if (m_breath < m_prop.breath_max && c.drowning == 0 &&
- n.getContent() != CONTENT_IGNORE && m_hp > 0)
- setBreath(m_breath + 1);
- }
-
- if (!isImmortal() && m_node_hurt_interval.step(dtime, 1.0f)) {
- u32 damage_per_second = 0;
- std::string nodename;
- // Lowest and highest damage points are 0.1 within collisionbox
- float dam_top = m_prop.collisionbox.MaxEdge.Y - 0.1f;
-
- // Sequence of damage points, starting 0.1 above feet and progressing
- // upwards in 1 node intervals, stopping below top damage point.
- for (float dam_height = 0.1f; dam_height < dam_top; dam_height++) {
- v3s16 p = floatToInt(m_base_position +
- v3f(0.0f, dam_height * BS, 0.0f), BS);
- MapNode n = m_env->getMap().getNode(p);
- const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n);
- if (c.damage_per_second > damage_per_second) {
- damage_per_second = c.damage_per_second;
- nodename = c.name;
- }
- }
-
- // Top damage point
- v3s16 ptop = floatToInt(m_base_position +
- v3f(0.0f, dam_top * BS, 0.0f), BS);
- MapNode ntop = m_env->getMap().getNode(ptop);
- const ContentFeatures &c = m_env->getGameDef()->ndef()->get(ntop);
- if (c.damage_per_second > damage_per_second) {
- damage_per_second = c.damage_per_second;
- nodename = c.name;
- }
-
- if (damage_per_second != 0 && m_hp > 0) {
- s32 newhp = (s32)m_hp - (s32)damage_per_second;
- PlayerHPChangeReason reason(PlayerHPChangeReason::NODE_DAMAGE, nodename);
- setHP(newhp, reason);
- m_env->getGameDef()->SendPlayerHPOrDie(this, reason);
- }
- }
-
- if (!m_properties_sent) {
- m_properties_sent = true;
- std::string str = getPropertyPacket();
- // create message and add to list
- ActiveObjectMessage aom(getId(), true, str);
- m_messages_out.push(aom);
- m_env->getScriptIface()->player_event(this, "properties_changed");
- }
-
- // If attached, check that our parent is still there. If it isn't, detach.
- if (m_attachment_parent_id && !isAttached()) {
- m_attachment_parent_id = 0;
- m_attachment_bone = "";
- m_attachment_position = v3f(0.0f, 0.0f, 0.0f);
- m_attachment_rotation = v3f(0.0f, 0.0f, 0.0f);
- setBasePosition(m_last_good_position);
- m_env->getGameDef()->SendMovePlayer(m_peer_id);
- }
-
- //dstream<<"PlayerSAO::step: dtime: "<<dtime<<std::endl;
-
- // Set lag pool maximums based on estimated lag
- const float LAG_POOL_MIN = 5.0f;
- float lag_pool_max = m_env->getMaxLagEstimate() * 2.0f;
- 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);
- m_time_from_last_teleport += dtime;
- m_time_from_last_punch += dtime;
- m_nocheat_dig_time += dtime;
- m_max_speed_override_time = MYMAX(m_max_speed_override_time - dtime, 0.0f);
-
- // 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 (m_position_not_sent) {
- m_position_not_sent = false;
- float update_interval = m_env->getSendRecommendedInterval();
- v3f pos;
- // When attached, the position is only sent to clients where the
- // parent isn't known
- if (isAttached())
- pos = m_last_good_position;
- else
- pos = m_base_position;
-
- std::string str = generateUpdatePositionCommand(
- pos,
- v3f(0.0f, 0.0f, 0.0f),
- v3f(0.0f, 0.0f, 0.0f),
- m_rotation,
- true,
- false,
- update_interval
- );
- // create message and add to list
- m_messages_out.emplace(getId(), false, str);
- }
-
- if (!m_armor_groups_sent) {
- m_armor_groups_sent = true;
- // create message and add to list
- m_messages_out.emplace(getId(), true, generateUpdateArmorGroupsCommand());
- }
-
- if (!m_physics_override_sent) {
- m_physics_override_sent = true;
- // create message and add to list
- m_messages_out.emplace(getId(), true, generateUpdatePhysicsOverrideCommand());
- }
-
- if (!m_animation_sent) {
- m_animation_sent = true;
- // create message and add to list
- m_messages_out.emplace(getId(), true, generateUpdateAnimationCommand());
- }
-
- if (!m_bone_position_sent) {
- m_bone_position_sent = true;
- for (std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
- ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
- std::string str = generateUpdateBonePositionCommand((*ii).first,
- (*ii).second.X, (*ii).second.Y);
- // create message and add to list
- m_messages_out.emplace(getId(), true, str);
- }
- }
-
- if (!m_attachment_sent) {
- m_attachment_sent = true;
- std::string str = generateUpdateAttachmentCommand();
- // create message and add to list
- ActiveObjectMessage aom(getId(), true, str);
- m_messages_out.push(aom);
- }
-}
-
-std::string PlayerSAO::generateUpdatePhysicsOverrideCommand() const
-{
- std::ostringstream os(std::ios::binary);
- // command
- writeU8(os, AO_CMD_SET_PHYSICS_OVERRIDE);
- // parameters
- writeF32(os, m_physics_override_speed);
- writeF32(os, m_physics_override_jump);
- writeF32(os, m_physics_override_gravity);
- // these are sent inverted so we get true when the server sends nothing
- writeU8(os, !m_physics_override_sneak);
- writeU8(os, !m_physics_override_sneak_glitch);
- writeU8(os, !m_physics_override_new_move);
- return os.str();
-}
-
-void PlayerSAO::setBasePosition(const v3f &position)
-{
- if (m_player && position != m_base_position)
- m_player->setDirty(true);
-
- // This needs to be ran for attachments too
- ServerActiveObject::setBasePosition(position);
-
- // Updating is not wanted/required for player migration
- if (m_env) {
- m_position_not_sent = true;
- }
-}
-
-void PlayerSAO::setPos(const v3f &pos)
-{
- if(isAttached())
- return;
-
- // Send mapblock of target location
- v3s16 blockpos = v3s16(pos.X / MAP_BLOCKSIZE, pos.Y / MAP_BLOCKSIZE, pos.Z / MAP_BLOCKSIZE);
- m_env->getGameDef()->SendBlock(m_peer_id, blockpos);
-
- setBasePosition(pos);
- // Movement caused by this command is always valid
- m_last_good_position = pos;
- m_move_pool.empty();
- m_time_from_last_teleport = 0.0;
- m_env->getGameDef()->SendMovePlayer(m_peer_id);
-}
-
-void PlayerSAO::moveTo(v3f pos, bool continuous)
-{
- if(isAttached())
- return;
-
- setBasePosition(pos);
- // Movement caused by this command is always valid
- m_last_good_position = pos;
- m_move_pool.empty();
- m_time_from_last_teleport = 0.0;
- m_env->getGameDef()->SendMovePlayer(m_peer_id);
-}
-
-void PlayerSAO::setPlayerYaw(const float yaw)
-{
- v3f rotation(0, yaw, 0);
- if (m_player && yaw != m_rotation.Y)
- m_player->setDirty(true);
-
- // Set player model yaw, not look view
- UnitSAO::setRotation(rotation);
-}
-
-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::setPlayerYawAndSend(const float yaw)
-{
- setPlayerYaw(yaw);
- m_env->getGameDef()->SendMovePlayer(m_peer_id);
-}
-
-void PlayerSAO::setLookPitch(const float pitch)
-{
- if (m_player && pitch != m_pitch)
- m_player->setDirty(true);
-
- m_pitch = pitch;
-}
-
-void PlayerSAO::setLookPitchAndSend(const float pitch)
-{
- setLookPitch(pitch);
- m_env->getGameDef()->SendMovePlayer(m_peer_id);
-}
-
-u16 PlayerSAO::punch(v3f dir,
- const ToolCapabilities *toolcap,
- ServerActiveObject *puncher,
- float time_from_last_punch)
-{
- if (!toolcap)
- return 0;
-
- FATAL_ERROR_IF(!puncher, "Punch action called without SAO");
-
- // No effect if PvP disabled or if immortal
- if (isImmortal() || !g_settings->getBool("enable_pvp")) {
- if (puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
- // create message and add to list
- sendPunchCommand();
- return 0;
- }
- }
-
- s32 old_hp = getHP();
- HitParams hitparams = getHitParams(m_armor_groups, toolcap,
- time_from_last_punch);
-
- PlayerSAO *playersao = m_player->getPlayerSAO();
-
- bool damage_handled = m_env->getScriptIface()->on_punchplayer(playersao,
- puncher, time_from_last_punch, toolcap, dir,
- hitparams.hp);
-
- if (!damage_handled) {
- setHP((s32)getHP() - (s32)hitparams.hp,
- PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, puncher));
- } else { // override client prediction
- if (puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
- // create message and add to list
- sendPunchCommand();
- }
- }
-
- actionstream << puncher->getDescription() << " (id=" << puncher->getId() <<
- ", hp=" << puncher->getHP() << ") punched " <<
- getDescription() << " (id=" << m_id << ", hp=" << m_hp <<
- "), damage=" << (old_hp - (s32)getHP()) <<
- (damage_handled ? " (handled by Lua)" : "") << std::endl;
-
- return hitparams.wear;
-}
-
-void PlayerSAO::setHP(s32 hp, const PlayerHPChangeReason &reason)
-{
- s32 oldhp = m_hp;
-
- hp = rangelim(hp, 0, m_prop.hp_max);
-
- if (oldhp != hp) {
- s32 hp_change = m_env->getScriptIface()->on_player_hpchange(this, hp - oldhp, reason);
- if (hp_change == 0)
- return;
-
- hp = rangelim(oldhp + hp_change, 0, m_prop.hp_max);
- }
-
- if (hp < oldhp && isImmortal())
- return;
-
- m_hp = hp;
-
- // Update properties on death
- if ((hp == 0) != (oldhp == 0))
- m_properties_sent = false;
-}
-
-void PlayerSAO::setBreath(const u16 breath, bool send)
-{
- if (m_player && breath != m_breath)
- m_player->setDirty(true);
-
- m_breath = rangelim(breath, 0, m_prop.breath_max);
-
- if (send)
- m_env->getGameDef()->SendPlayerBreath(this);
-}
-
-Inventory *PlayerSAO::getInventory() const
-{
- return m_player ? &m_player->inventory : nullptr;
-}
-
-InventoryLocation PlayerSAO::getInventoryLocation() const
-{
- InventoryLocation loc;
- loc.setPlayer(m_player->getName());
- return loc;
-}
-
-u16 PlayerSAO::getWieldIndex() const
-{
- return m_player->getWieldIndex();
-}
-
-ItemStack PlayerSAO::getWieldedItem(ItemStack *selected, ItemStack *hand) const
-{
- return m_player->getWieldedItem(selected, hand);
-}
-
-bool PlayerSAO::setWieldedItem(const ItemStack &item)
-{
- InventoryList *mlist = m_player->inventory.getList(getWieldList());
- if (mlist) {
- mlist->changeItem(m_player->getWieldIndex(), item);
- return true;
- }
- return false;
-}
-
-void PlayerSAO::disconnected()
-{
- m_peer_id = PEER_ID_INEXISTENT;
- m_pending_removal = true;
-}
-
-void PlayerSAO::unlinkPlayerSessionAndSave()
-{
- assert(m_player->getPlayerSAO() == this);
- m_player->setPeerId(PEER_ID_INEXISTENT);
- m_env->savePlayer(m_player);
- m_player->setPlayerSAO(NULL);
- m_env->removePlayer(m_player);
-}
-
-std::string PlayerSAO::getPropertyPacket()
-{
- m_prop.is_visible = (true);
- return generateSetPropertiesCommand(m_prop);
-}
-
-void PlayerSAO::setMaxSpeedOverride(const v3f &vel)
-{
- if (m_max_speed_override_time == 0.0f)
- m_max_speed_override = vel;
- else
- m_max_speed_override += vel;
- if (m_player) {
- float accel = MYMIN(m_player->movement_acceleration_default,
- m_player->movement_acceleration_air);
- m_max_speed_override_time = m_max_speed_override.getLength() / accel / BS;
- }
-}
-
-bool PlayerSAO::checkMovementCheat()
-{
- if (isAttached() || m_is_singleplayer ||
- g_settings->getBool("disable_anticheat")) {
- m_last_good_position = m_base_position;
- return false;
- }
-
- bool cheated = false;
- /*
- 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. Altough a node-based alternative might be possible
- too, and much more lightweight.
- */
-
- float override_max_H, override_max_V;
- if (m_max_speed_override_time > 0.0f) {
- override_max_H = MYMAX(fabs(m_max_speed_override.X), fabs(m_max_speed_override.Z));
- override_max_V = fabs(m_max_speed_override.Y);
- } else {
- override_max_H = override_max_V = 0.0f;
- }
-
- float player_max_walk = 0; // horizontal movement
- float player_max_jump = 0; // vertical upwards movement
-
- if (m_privs.count("fast") != 0)
- player_max_walk = m_player->movement_speed_fast; // Fast speed
- else
- player_max_walk = m_player->movement_speed_walk; // Normal speed
- player_max_walk *= m_physics_override_speed;
- player_max_walk = MYMAX(player_max_walk, override_max_H);
-
- player_max_jump = m_player->movement_speed_jump * m_physics_override_jump;
- // FIXME: Bouncy nodes cause practically unbound increase in Y speed,
- // until this can be verified correctly, tolerate higher jumping speeds
- player_max_jump *= 2.0;
- player_max_jump = MYMAX(player_max_jump, override_max_V);
-
- // Don't divide by zero!
- if (player_max_walk < 0.0001f)
- player_max_walk = 0.0001f;
- if (player_max_jump < 0.0001f)
- player_max_jump = 0.0001f;
-
- v3f diff = (m_base_position - m_last_good_position);
- float d_vert = diff.Y;
- diff.Y = 0;
- float d_horiz = diff.getLength();
- float required_time = d_horiz / player_max_walk;
-
- // FIXME: Checking downwards movement is not easily possible currently,
- // the server could calculate speed differences to examine the gravity
- if (d_vert > 0) {
- // In certain cases (water, ladders) walking speed is applied vertically
- float s = MYMAX(player_max_jump, player_max_walk);
- required_time = MYMAX(required_time, d_vert / s);
- }
-
- if (m_move_pool.grab(required_time)) {
- m_last_good_position = m_base_position;
- } else {
- const float LAG_POOL_MIN = 5.0;
- float lag_pool_max = m_env->getMaxLagEstimate() * 2.0;
- lag_pool_max = MYMAX(lag_pool_max, LAG_POOL_MIN);
- if (m_time_from_last_teleport > lag_pool_max) {
- actionstream << "Player " << m_player->getName()
- << " moved too fast; resetting position"
- << std::endl;
- cheated = true;
- }
- setBasePosition(m_last_good_position);
- }
- return cheated;
-}
-
-bool PlayerSAO::getCollisionBox(aabb3f *toset) const
-{
- //update collision box
- toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
- toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
-
- toset->MinEdge += m_base_position;
- toset->MaxEdge += m_base_position;
- return true;
-}
-
-bool PlayerSAO::getSelectionBox(aabb3f *toset) const
-{
- if (!m_prop.is_visible || !m_prop.pointable) {
- return false;
- }
-
- toset->MinEdge = m_prop.selectionbox.MinEdge * BS;
- toset->MaxEdge = m_prop.selectionbox.MaxEdge * BS;
-
- return true;
-}
-
-float PlayerSAO::getZoomFOV() const
-{
- return m_prop.zoom_fov;
-}
std::string m_current_texture_modifier = "";
};
-/*
- PlayerSAO needs some internals exposed.
-*/
-
-class LagPool
-{
- float m_pool = 15.0f;
- float m_max = 15.0f;
-public:
- LagPool() = default;
-
- void setMax(float new_max)
- {
- m_max = new_max;
- if(m_pool > new_max)
- m_pool = new_max;
- }
-
- void add(float dtime)
- {
- m_pool -= dtime;
- if(m_pool < 0)
- m_pool = 0;
- }
-
- void empty()
- {
- m_pool = m_max;
- }
-
- bool grab(float dtime)
- {
- if(dtime <= 0)
- return true;
- if(m_pool + dtime > m_max)
- return false;
- m_pool += dtime;
- return true;
- }
-};
-
-class RemotePlayer;
-
-class PlayerSAO : public UnitSAO
-{
-public:
- PlayerSAO(ServerEnvironment *env_, RemotePlayer *player_, session_t peer_id_,
- bool is_singleplayer);
-
- ActiveObjectType getType() const
- { return ACTIVEOBJECT_TYPE_PLAYER; }
- ActiveObjectType getSendType() const
- { return ACTIVEOBJECT_TYPE_GENERIC; }
- std::string getDescription();
-
- /*
- Active object <-> environment interface
- */
-
- void addedToEnvironment(u32 dtime_s);
- void removingFromEnvironment();
- bool isStaticAllowed() const { return false; }
- std::string getClientInitializationData(u16 protocol_version);
- void getStaticData(std::string *result) const;
- void step(float dtime, bool send_recommended);
- void setBasePosition(const v3f &position);
- void setPos(const v3f &pos);
- void moveTo(v3f pos, bool continuous);
- void setPlayerYaw(const float yaw);
- // Data should not be sent at player initialization
- void setPlayerYawAndSend(const float yaw);
- void setLookPitch(const float pitch);
- // Data should not be sent at player initialization
- void setLookPitchAndSend(const float pitch);
- f32 getLookPitch() const { return m_pitch; }
- f32 getRadLookPitch() const { return m_pitch * core::DEGTORAD; }
- // Deprecated
- f32 getRadLookPitchDep() 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
- */
-
- u16 punch(v3f dir,
- const ToolCapabilities *toolcap,
- ServerActiveObject *puncher,
- float time_from_last_punch);
- void rightClick(ServerActiveObject *clicker) {}
- void setHP(s32 hp, const PlayerHPChangeReason &reason);
- void setHPRaw(u16 hp) { m_hp = hp; }
- s16 readDamage();
- u16 getBreath() const { return m_breath; }
- void setBreath(const u16 breath, bool send = true);
-
- /*
- Inventory interface
- */
- Inventory *getInventory() const;
- InventoryLocation getInventoryLocation() const;
- void setInventoryModified() {}
- std::string getWieldList() const { return "main"; }
- u16 getWieldIndex() const;
- ItemStack getWieldedItem(ItemStack *selected, ItemStack *hand = nullptr) const;
- bool setWieldedItem(const ItemStack &item);
-
- /*
- PlayerSAO-specific
- */
-
- void disconnected();
-
- RemotePlayer *getPlayer() { return m_player; }
- session_t getPeerID() const { return m_peer_id; }
-
- // Cheat prevention
-
- v3f getLastGoodPosition() const
- {
- return m_last_good_position;
- }
- float resetTimeFromLastPunch()
- {
- float r = m_time_from_last_punch;
- m_time_from_last_punch = 0.0;
- return r;
- }
- void noCheatDigStart(const v3s16 &p)
- {
- m_nocheat_dig_pos = p;
- m_nocheat_dig_time = 0;
- }
- v3s16 getNoCheatDigPos()
- {
- return m_nocheat_dig_pos;
- }
- float getNoCheatDigTime()
- {
- return m_nocheat_dig_time;
- }
- void noCheatDigEnd()
- {
- m_nocheat_dig_pos = v3s16(32767, 32767, 32767);
- }
- LagPool& getDigPool()
- {
- return m_dig_pool;
- }
- void setMaxSpeedOverride(const v3f &vel);
- // Returns true if cheated
- bool checkMovementCheat();
-
- // Other
-
- void updatePrivileges(const std::set<std::string> &privs,
- bool is_singleplayer)
- {
- m_privs = privs;
- m_is_singleplayer = is_singleplayer;
- }
-
- bool getCollisionBox(aabb3f *toset) const;
- bool getSelectionBox(aabb3f *toset) const;
- bool collideWithObjects() const { return true; }
-
- void finalize(RemotePlayer *player, const std::set<std::string> &privs);
-
- v3f getEyePosition() const { return m_base_position + getEyeOffset(); }
- v3f getEyeOffset() const;
- float getZoomFOV() const;
-
- inline Metadata &getMeta() { return m_meta; }
-
-private:
- std::string getPropertyPacket();
- void unlinkPlayerSessionAndSave();
- std::string generateUpdatePhysicsOverrideCommand() const;
-
- RemotePlayer *m_player = nullptr;
- session_t m_peer_id = 0;
-
- // Cheat prevention
- LagPool m_dig_pool;
- LagPool m_move_pool;
- v3f m_last_good_position;
- float m_time_from_last_teleport = 0.0f;
- float m_time_from_last_punch = 0.0f;
- v3s16 m_nocheat_dig_pos = v3s16(32767, 32767, 32767);
- float m_nocheat_dig_time = 0.0f;
- float m_max_speed_override_time = 0.0f;
- v3f m_max_speed_override = v3f(0.0f, 0.0f, 0.0f);
-
- // Timers
- IntervalLimiter m_breathing_interval;
- IntervalLimiter m_drowning_interval;
- IntervalLimiter m_node_hurt_interval;
-
- bool m_position_not_sent = false;
-
- // Cached privileges for enforcement
- std::set<std::string> m_privs;
- bool m_is_singleplayer;
-
- u16 m_breath = PLAYER_MAX_BREATH_DEFAULT;
- f32 m_pitch = 0.0f;
- f32 m_fov = 0.0f;
- s16 m_wanted_range = 0.0f;
-
- Metadata m_meta;
-public:
- float m_physics_override_speed = 1.0f;
- float m_physics_override_jump = 1.0f;
- float m_physics_override_gravity = 1.0f;
- bool m_physics_override_sneak = true;
- bool m_physics_override_sneak_glitch = false;
- bool m_physics_override_new_move = true;
- bool m_physics_override_sent = false;
-};
-
-
-struct PlayerHPChangeReason {
- enum Type : u8 {
- SET_HP,
- PLAYER_PUNCH,
- FALL,
- NODE_DAMAGE,
- DROWNING,
- RESPAWN
- };
-
- Type type = SET_HP;
- bool from_mod = false;
- int lua_reference = -1;
-
- // For PLAYER_PUNCH
- ServerActiveObject *object = nullptr;
- // For NODE_DAMAGE
- std::string node;
-
- inline bool hasLuaReference() const
- {
- return lua_reference >= 0;
- }
-
- bool setTypeFromString(const std::string &typestr)
- {
- if (typestr == "set_hp")
- type = SET_HP;
- else if (typestr == "punch")
- type = PLAYER_PUNCH;
- else if (typestr == "fall")
- type = FALL;
- else if (typestr == "node_damage")
- type = NODE_DAMAGE;
- else if (typestr == "drown")
- type = DROWNING;
- else if (typestr == "respawn")
- type = RESPAWN;
- else
- return false;
-
- return true;
- }
-
- std::string getTypeAsString() const
- {
- switch (type) {
- case PlayerHPChangeReason::SET_HP:
- return "set_hp";
- case PlayerHPChangeReason::PLAYER_PUNCH:
- return "punch";
- case PlayerHPChangeReason::FALL:
- return "fall";
- case PlayerHPChangeReason::NODE_DAMAGE:
- return "node_damage";
- case PlayerHPChangeReason::DROWNING:
- return "drown";
- case PlayerHPChangeReason::RESPAWN:
- return "respawn";
- default:
- return "?";
- }
- }
-
- PlayerHPChangeReason(Type type):
- type(type)
- {}
-
- PlayerHPChangeReason(Type type, ServerActiveObject *object):
- type(type), object(object)
- {}
-
- PlayerHPChangeReason(Type type, std::string node):
- type(type), node(node)
- {}
-};
#include <cassert>
#include <json/json.h>
#include "database-files.h"
-#include "content_sao.h"
#include "remoteplayer.h"
#include "settings.h"
#include "porting.h"
#include "filesys.h"
+#include "server/player_sao.h"
#include "util/string.h"
// !!! WARNING !!!
#include "debug.h"
#include "exceptions.h"
#include "settings.h"
-#include "content_sao.h"
#include "remoteplayer.h"
+#include "server/player_sao.h"
Database_PostgreSQL::Database_PostgreSQL(const std::string &connect_string) :
m_connect_string(connect_string)
#include "settings.h"
#include "porting.h"
#include "util/string.h"
-#include "content_sao.h"
#include "remoteplayer.h"
+#include "server/player_sao.h"
#include <cassert>
#include "chatmessage.h"
#include "server.h"
#include "log.h"
-#include "content_sao.h"
#include "emerge.h"
#include "mapblock.h"
#include "modchannels.h"
#include "network/connection.h"
#include "network/networkprotocol.h"
#include "network/serveropcodes.h"
+#include "server/player_sao.h"
#include "util/auth.h"
#include "util/base64.h"
#include "util/pointedthing.h"
#include "remoteplayer.h"
#include <json/json.h>
-#include "content_sao.h"
#include "filesys.h"
#include "gamedef.h"
#include "porting.h" // strlcpy
#include "server.h"
#include "settings.h"
#include "convert_json.h"
+#include "server/player_sao.h"
/*
RemotePlayer
#include "common/c_types.h"
#include "nodedef.h"
#include "object_properties.h"
-#include "content_sao.h"
#include "cpp_api/s_node.h"
#include "lua_api/l_object.h"
#include "lua_api/l_item.h"
#include "server.h"
#include "log.h"
#include "tool.h"
-#include "server/serveractiveobject.h"
#include "porting.h"
#include "mapgen/mg_schematic.h"
#include "noise.h"
+#include "server/player_sao.h"
#include "util/pointedthing.h"
#include "debug.h" // For FATAL_ERROR
#include <json/json.h>
#include "cpp_api/s_security.h"
#include "lua_api/l_object.h"
#include "common/c_converter.h"
-#include "server/serveractiveobject.h"
+#include "server/player_sao.h"
#include "filesys.h"
#include "content/mods.h"
#include "porting.h"
struct ItemStack;
struct ToolCapabilities;
struct PlayerHPChangeReason;
+class ServerActiveObject;
class ScriptApiPlayer : virtual public ScriptApiBase
{
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include <algorithm>
#include "lua_api/l_env.h"
#include "lua_api/l_internal.h"
#include "lua_api/l_nodemeta.h"
#include "lua_api/l_vmanip.h"
#include "common/c_converter.h"
#include "common/c_content.h"
-#include <algorithm>
#include "scripting_server.h"
#include "environment.h"
#include "mapblock.h"
#include "pathfinder.h"
#include "face_position_cache.h"
#include "remoteplayer.h"
+#include "server/player_sao.h"
#ifndef SERVER
#include "client/client.h"
#endif
#include "common/c_content.h"
#include "log.h"
#include "tool.h"
-#include "server/serveractiveobject.h"
#include "content_sao.h"
#include "remoteplayer.h"
#include "server.h"
#include "hud.h"
#include "scripting_server.h"
+#include "server/player_sao.h"
/*
ObjectRef
#include "mapgen/mg_biome.h"
#include "content_mapnode.h"
#include "content_nodemeta.h"
-#include "content_sao.h"
#include "content/mods.h"
#include "modchannels.h"
#include "serverlist.h"
#include "chatmessage.h"
#include "chat_interface.h"
#include "remoteplayer.h"
+#include "server/player_sao.h"
class ClientNotFoundException : public BaseException
{
set(server_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/activeobjectmgr.cpp
${CMAKE_CURRENT_SOURCE_DIR}/mods.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/player_sao.cpp
${CMAKE_CURRENT_SOURCE_DIR}/serveractiveobject.cpp
${CMAKE_CURRENT_SOURCE_DIR}/unit_sao.cpp
PARENT_SCOPE)
--- /dev/null
+/*
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2013-2020 Minetest core developers & community
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "player_sao.h"
+#include "nodedef.h"
+#include "remoteplayer.h"
+#include "scripting_server.h"
+#include "server.h"
+#include "serverenvironment.h"
+
+PlayerSAO::PlayerSAO(ServerEnvironment *env_, RemotePlayer *player_, session_t peer_id_,
+ bool is_singleplayer):
+ UnitSAO(env_, v3f(0,0,0)),
+ m_player(player_),
+ m_peer_id(peer_id_),
+ m_is_singleplayer(is_singleplayer)
+{
+ SANITY_CHECK(m_peer_id != PEER_ID_INEXISTENT);
+
+ m_prop.hp_max = PLAYER_MAX_HP_DEFAULT;
+ m_prop.breath_max = PLAYER_MAX_BREATH_DEFAULT;
+ m_prop.physical = false;
+ m_prop.collisionbox = aabb3f(-0.3f, 0.0f, -0.3f, 0.3f, 1.77f, 0.3f);
+ m_prop.selectionbox = aabb3f(-0.3f, 0.0f, -0.3f, 0.3f, 1.77f, 0.3f);
+ m_prop.pointable = true;
+ // Start of default appearance, this should be overwritten by Lua
+ m_prop.visual = "upright_sprite";
+ m_prop.visual_size = v3f(1, 2, 1);
+ m_prop.textures.clear();
+ m_prop.textures.emplace_back("player.png");
+ m_prop.textures.emplace_back("player_back.png");
+ m_prop.colors.clear();
+ m_prop.colors.emplace_back(255, 255, 255, 255);
+ m_prop.spritediv = v2s16(1,1);
+ m_prop.eye_height = 1.625f;
+ // End of default appearance
+ m_prop.is_visible = true;
+ m_prop.backface_culling = false;
+ m_prop.makes_footstep_sound = true;
+ m_prop.stepheight = PLAYER_DEFAULT_STEPHEIGHT * BS;
+ m_hp = m_prop.hp_max;
+ m_breath = m_prop.breath_max;
+ // Disable zoom in survival mode using a value of 0
+ m_prop.zoom_fov = g_settings->getBool("creative_mode") ? 15.0f : 0.0f;
+
+ if (!g_settings->getBool("enable_damage"))
+ m_armor_groups["immortal"] = 1;
+}
+
+void PlayerSAO::finalize(RemotePlayer *player, const std::set<std::string> &privs)
+{
+ assert(player);
+ m_player = player;
+ m_privs = privs;
+}
+
+v3f PlayerSAO::getEyeOffset() const
+{
+ return v3f(0, BS * m_prop.eye_height, 0);
+}
+
+std::string PlayerSAO::getDescription()
+{
+ return std::string("player ") + m_player->getName();
+}
+
+// Called after id has been set and has been inserted in environment
+void PlayerSAO::addedToEnvironment(u32 dtime_s)
+{
+ ServerActiveObject::addedToEnvironment(dtime_s);
+ ServerActiveObject::setBasePosition(m_base_position);
+ m_player->setPlayerSAO(this);
+ m_player->setPeerId(m_peer_id);
+ m_last_good_position = m_base_position;
+}
+
+// Called before removing from environment
+void PlayerSAO::removingFromEnvironment()
+{
+ ServerActiveObject::removingFromEnvironment();
+ if (m_player->getPlayerSAO() == this) {
+ unlinkPlayerSessionAndSave();
+ for (u32 attached_particle_spawner : m_attached_particle_spawners) {
+ m_env->deleteParticleSpawner(attached_particle_spawner, false);
+ }
+ }
+}
+
+std::string PlayerSAO::getClientInitializationData(u16 protocol_version)
+{
+ std::ostringstream os(std::ios::binary);
+
+ // Protocol >= 15
+ writeU8(os, 1); // version
+ os << serializeString(m_player->getName()); // name
+ writeU8(os, 1); // is_player
+ writeS16(os, getId()); // id
+ writeV3F32(os, m_base_position);
+ writeV3F32(os, m_rotation);
+ writeU16(os, getHP());
+
+ std::ostringstream msg_os(std::ios::binary);
+ msg_os << serializeLongString(getPropertyPacket()); // message 1
+ msg_os << serializeLongString(generateUpdateArmorGroupsCommand()); // 2
+ msg_os << serializeLongString(generateUpdateAnimationCommand()); // 3
+ for (std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
+ ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
+ msg_os << serializeLongString(generateUpdateBonePositionCommand((*ii).first,
+ (*ii).second.X, (*ii).second.Y)); // m_bone_position.size
+ }
+ msg_os << serializeLongString(generateUpdateAttachmentCommand()); // 4
+ msg_os << serializeLongString(generateUpdatePhysicsOverrideCommand()); // 5
+ // (AO_CMD_UPDATE_NAMETAG_ATTRIBUTES) : Deprecated, for backwards compatibility only.
+ msg_os << serializeLongString(generateUpdateNametagAttributesCommand(m_prop.nametag_color)); // 6
+ int message_count = 6 + m_bone_position.size();
+ for (std::unordered_set<int>::const_iterator ii = m_attachment_child_ids.begin();
+ ii != m_attachment_child_ids.end(); ++ii) {
+ if (ServerActiveObject *obj = m_env->getActiveObject(*ii)) {
+ message_count++;
+ msg_os << serializeLongString(obj->generateUpdateInfantCommand(*ii, protocol_version));
+ }
+ }
+
+ writeU8(os, message_count);
+ os.write(msg_os.str().c_str(), msg_os.str().size());
+
+ // return result
+ return os.str();
+}
+
+void PlayerSAO::getStaticData(std::string * result) const
+{
+ FATAL_ERROR("Obsolete function");
+}
+
+void PlayerSAO::step(float dtime, bool send_recommended)
+{
+ if (!isImmortal() && m_drowning_interval.step(dtime, 2.0f)) {
+ // Get nose/mouth position, approximate with eye position
+ v3s16 p = floatToInt(getEyePosition(), BS);
+ MapNode n = m_env->getMap().getNode(p);
+ const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n);
+ // If node generates drown
+ if (c.drowning > 0 && m_hp > 0) {
+ if (m_breath > 0)
+ setBreath(m_breath - 1);
+
+ // No more breath, damage player
+ if (m_breath == 0) {
+ PlayerHPChangeReason reason(PlayerHPChangeReason::DROWNING);
+ setHP(m_hp - c.drowning, reason);
+ m_env->getGameDef()->SendPlayerHPOrDie(this, reason);
+ }
+ }
+ }
+
+ if (m_breathing_interval.step(dtime, 0.5f) && !isImmortal()) {
+ // Get nose/mouth position, approximate with eye position
+ v3s16 p = floatToInt(getEyePosition(), BS);
+ MapNode n = m_env->getMap().getNode(p);
+ const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n);
+ // If player is alive & not drowning & not in ignore & not immortal, breathe
+ if (m_breath < m_prop.breath_max && c.drowning == 0 &&
+ n.getContent() != CONTENT_IGNORE && m_hp > 0)
+ setBreath(m_breath + 1);
+ }
+
+ if (!isImmortal() && m_node_hurt_interval.step(dtime, 1.0f)) {
+ u32 damage_per_second = 0;
+ std::string nodename;
+ // Lowest and highest damage points are 0.1 within collisionbox
+ float dam_top = m_prop.collisionbox.MaxEdge.Y - 0.1f;
+
+ // Sequence of damage points, starting 0.1 above feet and progressing
+ // upwards in 1 node intervals, stopping below top damage point.
+ for (float dam_height = 0.1f; dam_height < dam_top; dam_height++) {
+ v3s16 p = floatToInt(m_base_position +
+ v3f(0.0f, dam_height * BS, 0.0f), BS);
+ MapNode n = m_env->getMap().getNode(p);
+ const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n);
+ if (c.damage_per_second > damage_per_second) {
+ damage_per_second = c.damage_per_second;
+ nodename = c.name;
+ }
+ }
+
+ // Top damage point
+ v3s16 ptop = floatToInt(m_base_position +
+ v3f(0.0f, dam_top * BS, 0.0f), BS);
+ MapNode ntop = m_env->getMap().getNode(ptop);
+ const ContentFeatures &c = m_env->getGameDef()->ndef()->get(ntop);
+ if (c.damage_per_second > damage_per_second) {
+ damage_per_second = c.damage_per_second;
+ nodename = c.name;
+ }
+
+ if (damage_per_second != 0 && m_hp > 0) {
+ s32 newhp = (s32)m_hp - (s32)damage_per_second;
+ PlayerHPChangeReason reason(PlayerHPChangeReason::NODE_DAMAGE, nodename);
+ setHP(newhp, reason);
+ m_env->getGameDef()->SendPlayerHPOrDie(this, reason);
+ }
+ }
+
+ if (!m_properties_sent) {
+ m_properties_sent = true;
+ std::string str = getPropertyPacket();
+ // create message and add to list
+ ActiveObjectMessage aom(getId(), true, str);
+ m_messages_out.push(aom);
+ m_env->getScriptIface()->player_event(this, "properties_changed");
+ }
+
+ // If attached, check that our parent is still there. If it isn't, detach.
+ if (m_attachment_parent_id && !isAttached()) {
+ m_attachment_parent_id = 0;
+ m_attachment_bone = "";
+ m_attachment_position = v3f(0.0f, 0.0f, 0.0f);
+ m_attachment_rotation = v3f(0.0f, 0.0f, 0.0f);
+ setBasePosition(m_last_good_position);
+ m_env->getGameDef()->SendMovePlayer(m_peer_id);
+ }
+
+ //dstream<<"PlayerSAO::step: dtime: "<<dtime<<std::endl;
+
+ // Set lag pool maximums based on estimated lag
+ const float LAG_POOL_MIN = 5.0f;
+ float lag_pool_max = m_env->getMaxLagEstimate() * 2.0f;
+ 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);
+ m_time_from_last_teleport += dtime;
+ m_time_from_last_punch += dtime;
+ m_nocheat_dig_time += dtime;
+ m_max_speed_override_time = MYMAX(m_max_speed_override_time - dtime, 0.0f);
+
+ // 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 (m_position_not_sent) {
+ m_position_not_sent = false;
+ float update_interval = m_env->getSendRecommendedInterval();
+ v3f pos;
+ // When attached, the position is only sent to clients where the
+ // parent isn't known
+ if (isAttached())
+ pos = m_last_good_position;
+ else
+ pos = m_base_position;
+
+ std::string str = generateUpdatePositionCommand(
+ pos,
+ v3f(0.0f, 0.0f, 0.0f),
+ v3f(0.0f, 0.0f, 0.0f),
+ m_rotation,
+ true,
+ false,
+ update_interval
+ );
+ // create message and add to list
+ m_messages_out.emplace(getId(), false, str);
+ }
+
+ if (!m_armor_groups_sent) {
+ m_armor_groups_sent = true;
+ // create message and add to list
+ m_messages_out.emplace(getId(), true, generateUpdateArmorGroupsCommand());
+ }
+
+ if (!m_physics_override_sent) {
+ m_physics_override_sent = true;
+ // create message and add to list
+ m_messages_out.emplace(getId(), true, generateUpdatePhysicsOverrideCommand());
+ }
+
+ if (!m_animation_sent) {
+ m_animation_sent = true;
+ // create message and add to list
+ m_messages_out.emplace(getId(), true, generateUpdateAnimationCommand());
+ }
+
+ if (!m_bone_position_sent) {
+ m_bone_position_sent = true;
+ for (std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
+ ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
+ std::string str = generateUpdateBonePositionCommand((*ii).first,
+ (*ii).second.X, (*ii).second.Y);
+ // create message and add to list
+ m_messages_out.emplace(getId(), true, str);
+ }
+ }
+
+ if (!m_attachment_sent) {
+ m_attachment_sent = true;
+ std::string str = generateUpdateAttachmentCommand();
+ // create message and add to list
+ ActiveObjectMessage aom(getId(), true, str);
+ m_messages_out.push(aom);
+ }
+}
+
+std::string PlayerSAO::generateUpdatePhysicsOverrideCommand() const
+{
+ std::ostringstream os(std::ios::binary);
+ // command
+ writeU8(os, AO_CMD_SET_PHYSICS_OVERRIDE);
+ // parameters
+ writeF32(os, m_physics_override_speed);
+ writeF32(os, m_physics_override_jump);
+ writeF32(os, m_physics_override_gravity);
+ // these are sent inverted so we get true when the server sends nothing
+ writeU8(os, !m_physics_override_sneak);
+ writeU8(os, !m_physics_override_sneak_glitch);
+ writeU8(os, !m_physics_override_new_move);
+ return os.str();
+}
+
+void PlayerSAO::setBasePosition(const v3f &position)
+{
+ if (m_player && position != m_base_position)
+ m_player->setDirty(true);
+
+ // This needs to be ran for attachments too
+ ServerActiveObject::setBasePosition(position);
+
+ // Updating is not wanted/required for player migration
+ if (m_env) {
+ m_position_not_sent = true;
+ }
+}
+
+void PlayerSAO::setPos(const v3f &pos)
+{
+ if(isAttached())
+ return;
+
+ // Send mapblock of target location
+ v3s16 blockpos = v3s16(pos.X / MAP_BLOCKSIZE, pos.Y / MAP_BLOCKSIZE, pos.Z / MAP_BLOCKSIZE);
+ m_env->getGameDef()->SendBlock(m_peer_id, blockpos);
+
+ setBasePosition(pos);
+ // Movement caused by this command is always valid
+ m_last_good_position = pos;
+ m_move_pool.empty();
+ m_time_from_last_teleport = 0.0;
+ m_env->getGameDef()->SendMovePlayer(m_peer_id);
+}
+
+void PlayerSAO::moveTo(v3f pos, bool continuous)
+{
+ if(isAttached())
+ return;
+
+ setBasePosition(pos);
+ // Movement caused by this command is always valid
+ m_last_good_position = pos;
+ m_move_pool.empty();
+ m_time_from_last_teleport = 0.0;
+ m_env->getGameDef()->SendMovePlayer(m_peer_id);
+}
+
+void PlayerSAO::setPlayerYaw(const float yaw)
+{
+ v3f rotation(0, yaw, 0);
+ if (m_player && yaw != m_rotation.Y)
+ m_player->setDirty(true);
+
+ // Set player model yaw, not look view
+ UnitSAO::setRotation(rotation);
+}
+
+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::setPlayerYawAndSend(const float yaw)
+{
+ setPlayerYaw(yaw);
+ m_env->getGameDef()->SendMovePlayer(m_peer_id);
+}
+
+void PlayerSAO::setLookPitch(const float pitch)
+{
+ if (m_player && pitch != m_pitch)
+ m_player->setDirty(true);
+
+ m_pitch = pitch;
+}
+
+void PlayerSAO::setLookPitchAndSend(const float pitch)
+{
+ setLookPitch(pitch);
+ m_env->getGameDef()->SendMovePlayer(m_peer_id);
+}
+
+u16 PlayerSAO::punch(v3f dir,
+ const ToolCapabilities *toolcap,
+ ServerActiveObject *puncher,
+ float time_from_last_punch)
+{
+ if (!toolcap)
+ return 0;
+
+ FATAL_ERROR_IF(!puncher, "Punch action called without SAO");
+
+ // No effect if PvP disabled or if immortal
+ if (isImmortal() || !g_settings->getBool("enable_pvp")) {
+ if (puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
+ // create message and add to list
+ sendPunchCommand();
+ return 0;
+ }
+ }
+
+ s32 old_hp = getHP();
+ HitParams hitparams = getHitParams(m_armor_groups, toolcap,
+ time_from_last_punch);
+
+ PlayerSAO *playersao = m_player->getPlayerSAO();
+
+ bool damage_handled = m_env->getScriptIface()->on_punchplayer(playersao,
+ puncher, time_from_last_punch, toolcap, dir,
+ hitparams.hp);
+
+ if (!damage_handled) {
+ setHP((s32)getHP() - (s32)hitparams.hp,
+ PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, puncher));
+ } else { // override client prediction
+ if (puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
+ // create message and add to list
+ sendPunchCommand();
+ }
+ }
+
+ actionstream << puncher->getDescription() << " (id=" << puncher->getId() <<
+ ", hp=" << puncher->getHP() << ") punched " <<
+ getDescription() << " (id=" << m_id << ", hp=" << m_hp <<
+ "), damage=" << (old_hp - (s32)getHP()) <<
+ (damage_handled ? " (handled by Lua)" : "") << std::endl;
+
+ return hitparams.wear;
+}
+
+void PlayerSAO::setHP(s32 hp, const PlayerHPChangeReason &reason)
+{
+ s32 oldhp = m_hp;
+
+ hp = rangelim(hp, 0, m_prop.hp_max);
+
+ if (oldhp != hp) {
+ s32 hp_change = m_env->getScriptIface()->on_player_hpchange(this, hp - oldhp, reason);
+ if (hp_change == 0)
+ return;
+
+ hp = rangelim(oldhp + hp_change, 0, m_prop.hp_max);
+ }
+
+ if (hp < oldhp && isImmortal())
+ return;
+
+ m_hp = hp;
+
+ // Update properties on death
+ if ((hp == 0) != (oldhp == 0))
+ m_properties_sent = false;
+}
+
+void PlayerSAO::setBreath(const u16 breath, bool send)
+{
+ if (m_player && breath != m_breath)
+ m_player->setDirty(true);
+
+ m_breath = rangelim(breath, 0, m_prop.breath_max);
+
+ if (send)
+ m_env->getGameDef()->SendPlayerBreath(this);
+}
+
+Inventory *PlayerSAO::getInventory() const
+{
+ return m_player ? &m_player->inventory : nullptr;
+}
+
+InventoryLocation PlayerSAO::getInventoryLocation() const
+{
+ InventoryLocation loc;
+ loc.setPlayer(m_player->getName());
+ return loc;
+}
+
+u16 PlayerSAO::getWieldIndex() const
+{
+ return m_player->getWieldIndex();
+}
+
+ItemStack PlayerSAO::getWieldedItem(ItemStack *selected, ItemStack *hand) const
+{
+ return m_player->getWieldedItem(selected, hand);
+}
+
+bool PlayerSAO::setWieldedItem(const ItemStack &item)
+{
+ InventoryList *mlist = m_player->inventory.getList(getWieldList());
+ if (mlist) {
+ mlist->changeItem(m_player->getWieldIndex(), item);
+ return true;
+ }
+ return false;
+}
+
+void PlayerSAO::disconnected()
+{
+ m_peer_id = PEER_ID_INEXISTENT;
+ m_pending_removal = true;
+}
+
+void PlayerSAO::unlinkPlayerSessionAndSave()
+{
+ assert(m_player->getPlayerSAO() == this);
+ m_player->setPeerId(PEER_ID_INEXISTENT);
+ m_env->savePlayer(m_player);
+ m_player->setPlayerSAO(NULL);
+ m_env->removePlayer(m_player);
+}
+
+std::string PlayerSAO::getPropertyPacket()
+{
+ m_prop.is_visible = (true);
+ return generateSetPropertiesCommand(m_prop);
+}
+
+void PlayerSAO::setMaxSpeedOverride(const v3f &vel)
+{
+ if (m_max_speed_override_time == 0.0f)
+ m_max_speed_override = vel;
+ else
+ m_max_speed_override += vel;
+ if (m_player) {
+ float accel = MYMIN(m_player->movement_acceleration_default,
+ m_player->movement_acceleration_air);
+ m_max_speed_override_time = m_max_speed_override.getLength() / accel / BS;
+ }
+}
+
+bool PlayerSAO::checkMovementCheat()
+{
+ if (isAttached() || m_is_singleplayer ||
+ g_settings->getBool("disable_anticheat")) {
+ m_last_good_position = m_base_position;
+ return false;
+ }
+
+ bool cheated = false;
+ /*
+ 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. Altough a node-based alternative might be possible
+ too, and much more lightweight.
+ */
+
+ float override_max_H, override_max_V;
+ if (m_max_speed_override_time > 0.0f) {
+ override_max_H = MYMAX(fabs(m_max_speed_override.X), fabs(m_max_speed_override.Z));
+ override_max_V = fabs(m_max_speed_override.Y);
+ } else {
+ override_max_H = override_max_V = 0.0f;
+ }
+
+ float player_max_walk = 0; // horizontal movement
+ float player_max_jump = 0; // vertical upwards movement
+
+ if (m_privs.count("fast") != 0)
+ player_max_walk = m_player->movement_speed_fast; // Fast speed
+ else
+ player_max_walk = m_player->movement_speed_walk; // Normal speed
+ player_max_walk *= m_physics_override_speed;
+ player_max_walk = MYMAX(player_max_walk, override_max_H);
+
+ player_max_jump = m_player->movement_speed_jump * m_physics_override_jump;
+ // FIXME: Bouncy nodes cause practically unbound increase in Y speed,
+ // until this can be verified correctly, tolerate higher jumping speeds
+ player_max_jump *= 2.0;
+ player_max_jump = MYMAX(player_max_jump, override_max_V);
+
+ // Don't divide by zero!
+ if (player_max_walk < 0.0001f)
+ player_max_walk = 0.0001f;
+ if (player_max_jump < 0.0001f)
+ player_max_jump = 0.0001f;
+
+ v3f diff = (m_base_position - m_last_good_position);
+ float d_vert = diff.Y;
+ diff.Y = 0;
+ float d_horiz = diff.getLength();
+ float required_time = d_horiz / player_max_walk;
+
+ // FIXME: Checking downwards movement is not easily possible currently,
+ // the server could calculate speed differences to examine the gravity
+ if (d_vert > 0) {
+ // In certain cases (water, ladders) walking speed is applied vertically
+ float s = MYMAX(player_max_jump, player_max_walk);
+ required_time = MYMAX(required_time, d_vert / s);
+ }
+
+ if (m_move_pool.grab(required_time)) {
+ m_last_good_position = m_base_position;
+ } else {
+ const float LAG_POOL_MIN = 5.0;
+ float lag_pool_max = m_env->getMaxLagEstimate() * 2.0;
+ lag_pool_max = MYMAX(lag_pool_max, LAG_POOL_MIN);
+ if (m_time_from_last_teleport > lag_pool_max) {
+ actionstream << "Player " << m_player->getName()
+ << " moved too fast; resetting position"
+ << std::endl;
+ cheated = true;
+ }
+ setBasePosition(m_last_good_position);
+ }
+ return cheated;
+}
+
+bool PlayerSAO::getCollisionBox(aabb3f *toset) const
+{
+ //update collision box
+ toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
+ toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
+
+ toset->MinEdge += m_base_position;
+ toset->MaxEdge += m_base_position;
+ return true;
+}
+
+bool PlayerSAO::getSelectionBox(aabb3f *toset) const
+{
+ if (!m_prop.is_visible || !m_prop.pointable) {
+ return false;
+ }
+
+ toset->MinEdge = m_prop.selectionbox.MinEdge * BS;
+ toset->MaxEdge = m_prop.selectionbox.MaxEdge * BS;
+
+ return true;
+}
+
+float PlayerSAO::getZoomFOV() const
+{
+ return m_prop.zoom_fov;
+}
--- /dev/null
+
+/*
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2013-2020 Minetest core developers & community
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "constants.h"
+#include "network/networkprotocol.h"
+#include "unit_sao.h"
+#include "util/numeric.h"
+
+/*
+ PlayerSAO needs some internals exposed.
+*/
+
+class LagPool
+{
+ float m_pool = 15.0f;
+ float m_max = 15.0f;
+public:
+ LagPool() = default;
+
+ void setMax(float new_max)
+ {
+ m_max = new_max;
+ if(m_pool > new_max)
+ m_pool = new_max;
+ }
+
+ void add(float dtime)
+ {
+ m_pool -= dtime;
+ if(m_pool < 0)
+ m_pool = 0;
+ }
+
+ void empty()
+ {
+ m_pool = m_max;
+ }
+
+ bool grab(float dtime)
+ {
+ if(dtime <= 0)
+ return true;
+ if(m_pool + dtime > m_max)
+ return false;
+ m_pool += dtime;
+ return true;
+ }
+};
+
+class RemotePlayer;
+
+class PlayerSAO : public UnitSAO
+{
+public:
+ PlayerSAO(ServerEnvironment *env_, RemotePlayer *player_, session_t peer_id_,
+ bool is_singleplayer);
+
+ ActiveObjectType getType() const
+ { return ACTIVEOBJECT_TYPE_PLAYER; }
+ ActiveObjectType getSendType() const
+ { return ACTIVEOBJECT_TYPE_GENERIC; }
+ std::string getDescription();
+
+ /*
+ Active object <-> environment interface
+ */
+
+ void addedToEnvironment(u32 dtime_s);
+ void removingFromEnvironment();
+ bool isStaticAllowed() const { return false; }
+ std::string getClientInitializationData(u16 protocol_version);
+ void getStaticData(std::string *result) const;
+ void step(float dtime, bool send_recommended);
+ void setBasePosition(const v3f &position);
+ void setPos(const v3f &pos);
+ void moveTo(v3f pos, bool continuous);
+ void setPlayerYaw(const float yaw);
+ // Data should not be sent at player initialization
+ void setPlayerYawAndSend(const float yaw);
+ void setLookPitch(const float pitch);
+ // Data should not be sent at player initialization
+ void setLookPitchAndSend(const float pitch);
+ f32 getLookPitch() const { return m_pitch; }
+ f32 getRadLookPitch() const { return m_pitch * core::DEGTORAD; }
+ // Deprecated
+ f32 getRadLookPitchDep() 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
+ */
+
+ u16 punch(v3f dir,
+ const ToolCapabilities *toolcap,
+ ServerActiveObject *puncher,
+ float time_from_last_punch);
+ void rightClick(ServerActiveObject *clicker) {}
+ void setHP(s32 hp, const PlayerHPChangeReason &reason);
+ void setHPRaw(u16 hp) { m_hp = hp; }
+ s16 readDamage();
+ u16 getBreath() const { return m_breath; }
+ void setBreath(const u16 breath, bool send = true);
+
+ /*
+ Inventory interface
+ */
+ Inventory *getInventory() const;
+ InventoryLocation getInventoryLocation() const;
+ void setInventoryModified() {}
+ std::string getWieldList() const { return "main"; }
+ u16 getWieldIndex() const;
+ ItemStack getWieldedItem(ItemStack *selected, ItemStack *hand = nullptr) const;
+ bool setWieldedItem(const ItemStack &item);
+
+ /*
+ PlayerSAO-specific
+ */
+
+ void disconnected();
+
+ RemotePlayer *getPlayer() { return m_player; }
+ session_t getPeerID() const { return m_peer_id; }
+
+ // Cheat prevention
+
+ v3f getLastGoodPosition() const
+ {
+ return m_last_good_position;
+ }
+ float resetTimeFromLastPunch()
+ {
+ float r = m_time_from_last_punch;
+ m_time_from_last_punch = 0.0;
+ return r;
+ }
+ void noCheatDigStart(const v3s16 &p)
+ {
+ m_nocheat_dig_pos = p;
+ m_nocheat_dig_time = 0;
+ }
+ v3s16 getNoCheatDigPos()
+ {
+ return m_nocheat_dig_pos;
+ }
+ float getNoCheatDigTime()
+ {
+ return m_nocheat_dig_time;
+ }
+ void noCheatDigEnd()
+ {
+ m_nocheat_dig_pos = v3s16(32767, 32767, 32767);
+ }
+ LagPool& getDigPool()
+ {
+ return m_dig_pool;
+ }
+ void setMaxSpeedOverride(const v3f &vel);
+ // Returns true if cheated
+ bool checkMovementCheat();
+
+ // Other
+
+ void updatePrivileges(const std::set<std::string> &privs,
+ bool is_singleplayer)
+ {
+ m_privs = privs;
+ m_is_singleplayer = is_singleplayer;
+ }
+
+ bool getCollisionBox(aabb3f *toset) const;
+ bool getSelectionBox(aabb3f *toset) const;
+ bool collideWithObjects() const { return true; }
+
+ void finalize(RemotePlayer *player, const std::set<std::string> &privs);
+
+ v3f getEyePosition() const { return m_base_position + getEyeOffset(); }
+ v3f getEyeOffset() const;
+ float getZoomFOV() const;
+
+ inline Metadata &getMeta() { return m_meta; }
+
+private:
+ std::string getPropertyPacket();
+ void unlinkPlayerSessionAndSave();
+ std::string generateUpdatePhysicsOverrideCommand() const;
+
+ RemotePlayer *m_player = nullptr;
+ session_t m_peer_id = 0;
+
+ // Cheat prevention
+ LagPool m_dig_pool;
+ LagPool m_move_pool;
+ v3f m_last_good_position;
+ float m_time_from_last_teleport = 0.0f;
+ float m_time_from_last_punch = 0.0f;
+ v3s16 m_nocheat_dig_pos = v3s16(32767, 32767, 32767);
+ float m_nocheat_dig_time = 0.0f;
+ float m_max_speed_override_time = 0.0f;
+ v3f m_max_speed_override = v3f(0.0f, 0.0f, 0.0f);
+
+ // Timers
+ IntervalLimiter m_breathing_interval;
+ IntervalLimiter m_drowning_interval;
+ IntervalLimiter m_node_hurt_interval;
+
+ bool m_position_not_sent = false;
+
+ // Cached privileges for enforcement
+ std::set<std::string> m_privs;
+ bool m_is_singleplayer;
+
+ u16 m_breath = PLAYER_MAX_BREATH_DEFAULT;
+ f32 m_pitch = 0.0f;
+ f32 m_fov = 0.0f;
+ s16 m_wanted_range = 0.0f;
+
+ Metadata m_meta;
+public:
+ float m_physics_override_speed = 1.0f;
+ float m_physics_override_jump = 1.0f;
+ float m_physics_override_gravity = 1.0f;
+ bool m_physics_override_sneak = true;
+ bool m_physics_override_sneak_glitch = false;
+ bool m_physics_override_new_move = true;
+ bool m_physics_override_sent = false;
+};
+
+
+struct PlayerHPChangeReason {
+ enum Type : u8 {
+ SET_HP,
+ PLAYER_PUNCH,
+ FALL,
+ NODE_DAMAGE,
+ DROWNING,
+ RESPAWN
+ };
+
+ Type type = SET_HP;
+ bool from_mod = false;
+ int lua_reference = -1;
+
+ // For PLAYER_PUNCH
+ ServerActiveObject *object = nullptr;
+ // For NODE_DAMAGE
+ std::string node;
+
+ inline bool hasLuaReference() const
+ {
+ return lua_reference >= 0;
+ }
+
+ bool setTypeFromString(const std::string &typestr)
+ {
+ if (typestr == "set_hp")
+ type = SET_HP;
+ else if (typestr == "punch")
+ type = PLAYER_PUNCH;
+ else if (typestr == "fall")
+ type = FALL;
+ else if (typestr == "node_damage")
+ type = NODE_DAMAGE;
+ else if (typestr == "drown")
+ type = DROWNING;
+ else if (typestr == "respawn")
+ type = RESPAWN;
+ else
+ return false;
+
+ return true;
+ }
+
+ std::string getTypeAsString() const
+ {
+ switch (type) {
+ case PlayerHPChangeReason::SET_HP:
+ return "set_hp";
+ case PlayerHPChangeReason::PLAYER_PUNCH:
+ return "punch";
+ case PlayerHPChangeReason::FALL:
+ return "fall";
+ case PlayerHPChangeReason::NODE_DAMAGE:
+ return "node_damage";
+ case PlayerHPChangeReason::DROWNING:
+ return "drown";
+ case PlayerHPChangeReason::RESPAWN:
+ return "respawn";
+ default:
+ return "?";
+ }
+ }
+
+ PlayerHPChangeReason(Type type):
+ type(type)
+ {}
+
+ PlayerHPChangeReason(Type type, ServerActiveObject *object):
+ type(type), object(object)
+ {}
+
+ PlayerHPChangeReason(Type type, std::string node):
+ type(type), node(node)
+ {}
+};
#include "scripting_server.h"
#include "serverenvironment.h"
-/*
- UnitSAO
- */
-
UnitSAO::UnitSAO(ServerEnvironment *env, v3f pos) : ServerActiveObject(env, pos)
{
// Initialize something to armor groups
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include <algorithm>
#include "serverenvironment.h"
-#include "content_sao.h"
#include "settings.h"
#include "log.h"
#include "mapblock.h"
#if USE_POSTGRESQL
#include "database/database-postgresql.h"
#endif
-#include <algorithm>
+#include "server/player_sao.h"
#define LBM_NAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyz0123456789_:"