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Diffstat (limited to 'src/content_sao.cpp')
| -rw-r--r-- | src/content_sao.cpp | 1535 |
1 files changed, 0 insertions, 1535 deletions
diff --git a/src/content_sao.cpp b/src/content_sao.cpp deleted file mode 100644 index 75c3eaf37..000000000 --- a/src/content_sao.cpp +++ /dev/null @@ -1,1535 +0,0 @@ -/* -Minetest -Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com> - -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 "content_sao.h" -#include "util/serialize.h" -#include "collision.h" -#include "environment.h" -#include "tool.h" // For ToolCapabilities -#include "gamedef.h" -#include "nodedef.h" -#include "remoteplayer.h" -#include "server.h" -#include "scripting_server.h" -#include "genericobject.h" -#include "settings.h" -#include <algorithm> -#include <cmath> - -std::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types; - -/* - TestSAO -*/ - -class TestSAO : public ServerActiveObject -{ -public: - TestSAO(ServerEnvironment *env, v3f pos): - ServerActiveObject(env, pos), - m_timer1(0), - m_age(0) - { - ServerActiveObject::registerType(getType(), create); - } - ActiveObjectType getType() const - { return ACTIVEOBJECT_TYPE_TEST; } - - static ServerActiveObject* create(ServerEnvironment *env, v3f pos, - const std::string &data) - { - return new TestSAO(env, pos); - } - - void step(float dtime, bool send_recommended) - { - m_age += dtime; - if(m_age > 10) - { - m_pending_removal = true; - return; - } - - m_base_position.Y += dtime * BS * 2; - if(m_base_position.Y > 8*BS) - m_base_position.Y = 2*BS; - - if (!send_recommended) - return; - - m_timer1 -= dtime; - if(m_timer1 < 0.0) - { - m_timer1 += 0.125; - - std::string data; - - data += itos(0); // 0 = position - data += " "; - data += itos(m_base_position.X); - data += " "; - data += itos(m_base_position.Y); - data += " "; - data += itos(m_base_position.Z); - - ActiveObjectMessage aom(getId(), false, data); - m_messages_out.push(aom); - } - } - - bool getCollisionBox(aabb3f *toset) const { return false; } - - virtual bool getSelectionBox(aabb3f *toset) const { return false; } - - bool collideWithObjects() const { return false; } - -private: - float m_timer1; - float m_age; -}; - -// Prototype (registers item for deserialization) -TestSAO proto_TestSAO(NULL, v3f(0,0,0)); - -/* - UnitSAO - */ - -UnitSAO::UnitSAO(ServerEnvironment *env, v3f pos): - ServerActiveObject(env, pos) -{ - // Initialize something to armor groups - m_armor_groups["fleshy"] = 100; -} - -ServerActiveObject *UnitSAO::getParent() const -{ - if (!m_attachment_parent_id) - return nullptr; - // Check if the parent still exists - ServerActiveObject *obj = m_env->getActiveObject(m_attachment_parent_id); - - return obj; -} - -void UnitSAO::setArmorGroups(const ItemGroupList &armor_groups) -{ - m_armor_groups = armor_groups; - m_armor_groups_sent = false; -} - -const ItemGroupList &UnitSAO::getArmorGroups() const -{ - return m_armor_groups; -} - -void UnitSAO::setAnimation(v2f frame_range, float frame_speed, float frame_blend, bool frame_loop) -{ - // store these so they can be updated to clients - m_animation_range = frame_range; - m_animation_speed = frame_speed; - m_animation_blend = frame_blend; - m_animation_loop = frame_loop; - m_animation_sent = false; -} - -void UnitSAO::getAnimation(v2f *frame_range, float *frame_speed, float *frame_blend, bool *frame_loop) -{ - *frame_range = m_animation_range; - *frame_speed = m_animation_speed; - *frame_blend = m_animation_blend; - *frame_loop = m_animation_loop; -} - -void UnitSAO::setAnimationSpeed(float frame_speed) -{ - m_animation_speed = frame_speed; - m_animation_speed_sent = false; -} - -void UnitSAO::setBonePosition(const std::string &bone, v3f position, v3f rotation) -{ - // store these so they can be updated to clients - m_bone_position[bone] = core::vector2d<v3f>(position, rotation); - m_bone_position_sent = false; -} - -void UnitSAO::getBonePosition(const std::string &bone, v3f *position, v3f *rotation) -{ - *position = m_bone_position[bone].X; - *rotation = m_bone_position[bone].Y; -} - -void UnitSAO::setAttachment(int parent_id, const std::string &bone, v3f position, v3f rotation) -{ - // Attachments need to be handled on both the server and client. - // If we just attach on the server, we can only copy the position of the parent. Attachments - // are still sent to clients at an interval so players might see them lagging, plus we can't - // read and attach to skeletal bones. - // If we just attach on the client, the server still sees the child at its original location. - // This breaks some things so we also give the server the most accurate representation - // even if players only see the client changes. - - int old_parent = m_attachment_parent_id; - m_attachment_parent_id = parent_id; - m_attachment_bone = bone; - m_attachment_position = position; - m_attachment_rotation = rotation; - m_attachment_sent = false; - - if (parent_id != old_parent) { - onDetach(old_parent); - onAttach(parent_id); - } -} - -void UnitSAO::getAttachment(int *parent_id, std::string *bone, v3f *position, - v3f *rotation) const -{ - *parent_id = m_attachment_parent_id; - *bone = m_attachment_bone; - *position = m_attachment_position; - *rotation = m_attachment_rotation; -} - -void UnitSAO::clearChildAttachments() -{ - for (int child_id : m_attachment_child_ids) { - // Child can be NULL if it was deleted earlier - if (ServerActiveObject *child = m_env->getActiveObject(child_id)) - child->setAttachment(0, "", v3f(0, 0, 0), v3f(0, 0, 0)); - } - m_attachment_child_ids.clear(); -} - -void UnitSAO::clearParentAttachment() -{ - ServerActiveObject *parent = nullptr; - if (m_attachment_parent_id) { - parent = m_env->getActiveObject(m_attachment_parent_id); - setAttachment(0, "", m_attachment_position, m_attachment_rotation); - } else { - setAttachment(0, "", v3f(0, 0, 0), v3f(0, 0, 0)); - } - // Do it - if (parent) - parent->removeAttachmentChild(m_id); -} - -void UnitSAO::addAttachmentChild(int child_id) -{ - m_attachment_child_ids.insert(child_id); -} - -void UnitSAO::removeAttachmentChild(int child_id) -{ - m_attachment_child_ids.erase(child_id); -} - -const std::unordered_set<int> &UnitSAO::getAttachmentChildIds() const -{ - return m_attachment_child_ids; -} - -void UnitSAO::onAttach(int parent_id) -{ - if (!parent_id) - return; - - ServerActiveObject *parent = m_env->getActiveObject(parent_id); - - if (!parent || parent->isGone()) - return; // Do not try to notify soon gone parent - - if (parent->getType() == ACTIVEOBJECT_TYPE_LUAENTITY) { - // Call parent's on_attach field - m_env->getScriptIface()->luaentity_on_attach_child(parent_id, this); - } -} - -void UnitSAO::onDetach(int parent_id) -{ - if (!parent_id) - return; - - ServerActiveObject *parent = m_env->getActiveObject(parent_id); - if (getType() == ACTIVEOBJECT_TYPE_LUAENTITY) - m_env->getScriptIface()->luaentity_on_detach(m_id, parent); - - if (!parent || parent->isGone()) - return; // Do not try to notify soon gone parent - - if (parent->getType() == ACTIVEOBJECT_TYPE_LUAENTITY) - m_env->getScriptIface()->luaentity_on_detach_child(parent_id, this); -} - -ObjectProperties* UnitSAO::accessObjectProperties() -{ - return &m_prop; -} - -void UnitSAO::notifyObjectPropertiesModified() -{ - m_properties_sent = false; -} - -/* - LuaEntitySAO -*/ - -// Prototype (registers item for deserialization) -LuaEntitySAO proto_LuaEntitySAO(NULL, v3f(0,0,0), "_prototype", ""); - -LuaEntitySAO::LuaEntitySAO(ServerEnvironment *env, v3f pos, - const std::string &name, const std::string &state): - UnitSAO(env, pos), - m_init_name(name), - m_init_state(state) -{ - // Only register type if no environment supplied - if(env == NULL){ - ServerActiveObject::registerType(getType(), create); - return; - } -} - -LuaEntitySAO::~LuaEntitySAO() -{ - if(m_registered){ - m_env->getScriptIface()->luaentity_Remove(m_id); - } - - for (u32 attached_particle_spawner : m_attached_particle_spawners) { - m_env->deleteParticleSpawner(attached_particle_spawner, false); - } -} - -void LuaEntitySAO::addedToEnvironment(u32 dtime_s) -{ - ServerActiveObject::addedToEnvironment(dtime_s); - - // Create entity from name - m_registered = m_env->getScriptIface()-> - luaentity_Add(m_id, m_init_name.c_str()); - - if(m_registered){ - // Get properties - m_env->getScriptIface()-> - luaentity_GetProperties(m_id, this, &m_prop); - // Initialize HP from properties - m_hp = m_prop.hp_max; - // Activate entity, supplying serialized state - m_env->getScriptIface()-> - luaentity_Activate(m_id, m_init_state, dtime_s); - } else { - m_prop.infotext = m_init_name; - } -} - -ServerActiveObject* LuaEntitySAO::create(ServerEnvironment *env, v3f pos, - const std::string &data) -{ - std::string name; - std::string state; - u16 hp = 1; - v3f velocity; - v3f rotation; - - while (!data.empty()) { // breakable, run for one iteration - std::istringstream is(data, std::ios::binary); - // 'version' does not allow to incrementally extend the parameter list thus - // we need another variable to build on top of 'version=1'. Ugly hack but works™ - u8 version2 = 0; - u8 version = readU8(is); - - name = deSerializeString(is); - state = deSerializeLongString(is); - - if (version < 1) - break; - - hp = readU16(is); - velocity = readV3F1000(is); - // yaw must be yaw to be backwards-compatible - rotation.Y = readF1000(is); - - if (is.good()) // EOF for old formats - version2 = readU8(is); - - if (version2 < 1) // PROTOCOL_VERSION < 37 - break; - - // version2 >= 1 - rotation.X = readF1000(is); - rotation.Z = readF1000(is); - - // if (version2 < 2) - // break; - // <read new values> - break; - } - // create object - infostream << "LuaEntitySAO::create(name=\"" << name << "\" state=\"" - << state << "\")" << std::endl; - LuaEntitySAO *sao = new LuaEntitySAO(env, pos, name, state); - sao->m_hp = hp; - sao->m_velocity = velocity; - sao->m_rotation = rotation; - return sao; -} - -void LuaEntitySAO::step(float dtime, bool send_recommended) -{ - 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); - } - - // 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(0,0,0); - m_attachment_rotation = v3f(0,0,0); - sendPosition(false, true); - } - - m_last_sent_position_timer += dtime; - - // 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_base_position = pos; - m_velocity = v3f(0,0,0); - m_acceleration = v3f(0,0,0); - } - else - { - if(m_prop.physical){ - aabb3f box = m_prop.collisionbox; - box.MinEdge *= BS; - box.MaxEdge *= BS; - collisionMoveResult moveresult; - f32 pos_max_d = BS*0.25; // Distance per iteration - v3f p_pos = m_base_position; - v3f p_velocity = m_velocity; - v3f p_acceleration = m_acceleration; - moveresult = collisionMoveSimple(m_env, m_env->getGameDef(), - pos_max_d, box, m_prop.stepheight, dtime, - &p_pos, &p_velocity, p_acceleration, - this, m_prop.collideWithObjects); - - // Apply results - m_base_position = p_pos; - m_velocity = p_velocity; - m_acceleration = p_acceleration; - } else { - m_base_position += dtime * m_velocity + 0.5 * dtime - * dtime * m_acceleration; - m_velocity += dtime * m_acceleration; - } - - if (m_prop.automatic_face_movement_dir && - (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001)) { - float target_yaw = atan2(m_velocity.Z, m_velocity.X) * 180 / M_PI - + m_prop.automatic_face_movement_dir_offset; - float max_rotation_per_sec = - m_prop.automatic_face_movement_max_rotation_per_sec; - - if (max_rotation_per_sec > 0) { - m_rotation.Y = wrapDegrees_0_360(m_rotation.Y); - wrappedApproachShortest(m_rotation.Y, target_yaw, - dtime * max_rotation_per_sec, 360.f); - } else { - // Negative values of max_rotation_per_sec mean disabled. - m_rotation.Y = target_yaw; - } - } - } - - if(m_registered){ - m_env->getScriptIface()->luaentity_Step(m_id, dtime); - } - - if (!send_recommended) - return; - - if(!isAttached()) - { - // TODO: force send when acceleration changes enough? - float minchange = 0.2*BS; - if(m_last_sent_position_timer > 1.0){ - minchange = 0.01*BS; - } else if(m_last_sent_position_timer > 0.2){ - minchange = 0.05*BS; - } - float move_d = m_base_position.getDistanceFrom(m_last_sent_position); - move_d += m_last_sent_move_precision; - float vel_d = m_velocity.getDistanceFrom(m_last_sent_velocity); - if (move_d > minchange || vel_d > minchange || - std::fabs(m_rotation.X - m_last_sent_rotation.X) > 1.0f || - std::fabs(m_rotation.Y - m_last_sent_rotation.Y) > 1.0f || - std::fabs(m_rotation.Z - m_last_sent_rotation.Z) > 1.0f) { - - sendPosition(true, false); - } - } - - 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_animation_sent) { - 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); - } - - if (!m_animation_speed_sent) { - m_animation_speed_sent = true; - std::string str = gob_cmd_update_animation_speed(m_animation_speed); - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); - } - - 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 = 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); - } -} - -std::string LuaEntitySAO::getClientInitializationData(u16 protocol_version) -{ - std::ostringstream os(std::ios::binary); - - // PROTOCOL_VERSION >= 37 - writeU8(os, 1); // version - os << serializeString(""); // name - writeU8(os, 0); // is_player - writeU16(os, getId()); //id - writeV3F32(os, m_base_position); - writeV3F32(os, m_rotation); - writeU16(os, m_hp); - - std::ostringstream msg_os(std::ios::binary); - msg_os << serializeLongString(getPropertyPacket()); // message 1 - msg_os << serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2 - msg_os << serializeLongString(gob_cmd_update_animation( - m_animation_range, m_animation_speed, m_animation_blend, m_animation_loop)); // 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(gob_cmd_update_bone_position((*ii).first, - (*ii).second.X, (*ii).second.Y)); // m_bone_position.size - } - msg_os << serializeLongString(gob_cmd_update_attachment(m_attachment_parent_id, - m_attachment_bone, m_attachment_position, m_attachment_rotation)); // 4 - int message_count = 4 + 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++; - // TODO after a protocol bump: only send the object initialization data - // to older clients (superfluous since this message exists) - msg_os << serializeLongString(gob_cmd_update_infant(*ii, obj->getSendType(), - obj->getClientInitializationData(protocol_version))); - } - } - - msg_os << serializeLongString(gob_cmd_set_texture_mod(m_current_texture_modifier)); - message_count++; - - writeU8(os, message_count); - os.write(msg_os.str().c_str(), msg_os.str().size()); - - // return result - return os.str(); -} - -void LuaEntitySAO::getStaticData(std::string *result) const -{ - verbosestream<<FUNCTION_NAME<<std::endl; - std::ostringstream os(std::ios::binary); - // version must be 1 to keep backwards-compatibility. See version2 - writeU8(os, 1); - // name - os<<serializeString(m_init_name); - // state - if(m_registered){ - std::string state = m_env->getScriptIface()-> - luaentity_GetStaticdata(m_id); - os<<serializeLongString(state); - } else { - os<<serializeLongString(m_init_state); - } - writeU16(os, m_hp); - writeV3F1000(os, m_velocity); - // yaw - writeF1000(os, m_rotation.Y); - - // version2. Increase this variable for new values - writeU8(os, 1); // PROTOCOL_VERSION >= 37 - - writeF1000(os, m_rotation.X); - writeF1000(os, m_rotation.Z); - - // <write new values> - - *result = os.str(); -} - -u16 LuaEntitySAO::punch(v3f dir, - const ToolCapabilities *toolcap, - ServerActiveObject *puncher, - float time_from_last_punch) -{ - if (!m_registered) { - // Delete unknown LuaEntities when punched - m_pending_removal = true; - return 0; - } - - FATAL_ERROR_IF(!puncher, "Punch action called without SAO"); - - s32 old_hp = getHP(); - ItemStack selected_item, hand_item; - ItemStack tool_item = puncher->getWieldedItem(&selected_item, &hand_item); - - PunchDamageResult result = getPunchDamage( - m_armor_groups, - toolcap, - &tool_item, - time_from_last_punch); - - bool damage_handled = m_env->getScriptIface()->luaentity_Punch(m_id, puncher, - time_from_last_punch, toolcap, dir, result.did_punch ? result.damage : 0); - - if (!damage_handled) { - if (result.did_punch) { - setHP((s32)getHP() - result.damage, - PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, puncher)); - - std::string str = gob_cmd_punched(getHP()); - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); - } - } - - if (getHP() == 0 && !isGone()) { - clearParentAttachment(); - clearChildAttachments(); - m_env->getScriptIface()->luaentity_on_death(m_id, puncher); - m_pending_removal = true; - } - - 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; - - // TODO: give Lua control over wear - return result.wear; -} - -void LuaEntitySAO::rightClick(ServerActiveObject *clicker) -{ - if (!m_registered) - return; - - m_env->getScriptIface()->luaentity_Rightclick(m_id, clicker); -} - -void LuaEntitySAO::setPos(const v3f &pos) -{ - if(isAttached()) - return; - m_base_position = pos; - sendPosition(false, true); -} - -void LuaEntitySAO::moveTo(v3f pos, bool continuous) -{ - if(isAttached()) - return; - m_base_position = pos; - if(!continuous) - sendPosition(true, true); -} - -float LuaEntitySAO::getMinimumSavedMovement() -{ - return 0.1 * BS; -} - -std::string LuaEntitySAO::getDescription() -{ - std::ostringstream os(std::ios::binary); - os<<"LuaEntitySAO at ("; - os<<(m_base_position.X/BS)<<","; - os<<(m_base_position.Y/BS)<<","; - os<<(m_base_position.Z/BS); - os<<")"; - return os.str(); -} - -void LuaEntitySAO::setHP(s32 hp, const PlayerHPChangeReason &reason) -{ - m_hp = rangelim(hp, 0, U16_MAX); -} - -u16 LuaEntitySAO::getHP() const -{ - return m_hp; -} - -void LuaEntitySAO::setVelocity(v3f velocity) -{ - m_velocity = velocity; -} - -v3f LuaEntitySAO::getVelocity() -{ - return m_velocity; -} - -void LuaEntitySAO::setAcceleration(v3f acceleration) -{ - m_acceleration = acceleration; -} - -v3f LuaEntitySAO::getAcceleration() -{ - return m_acceleration; -} - -void LuaEntitySAO::setTextureMod(const std::string &mod) -{ - std::string str = gob_cmd_set_texture_mod(mod); - m_current_texture_modifier = mod; - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); -} - -std::string LuaEntitySAO::getTextureMod() const -{ - return m_current_texture_modifier; -} - -void LuaEntitySAO::setSprite(v2s16 p, int num_frames, float framelength, - bool select_horiz_by_yawpitch) -{ - std::string str = gob_cmd_set_sprite( - p, - num_frames, - framelength, - select_horiz_by_yawpitch - ); - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); -} - -std::string LuaEntitySAO::getName() -{ - return m_init_name; -} - -std::string LuaEntitySAO::getPropertyPacket() -{ - return gob_cmd_set_properties(m_prop); -} - -void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end) -{ - // If the object is attached client-side, don't waste bandwidth sending its position to clients - if(isAttached()) - return; - - m_last_sent_move_precision = m_base_position.getDistanceFrom( - m_last_sent_position); - m_last_sent_position_timer = 0; - m_last_sent_position = m_base_position; - m_last_sent_velocity = m_velocity; - //m_last_sent_acceleration = m_acceleration; - m_last_sent_rotation = m_rotation; - - float update_interval = m_env->getSendRecommendedInterval(); - - std::string str = gob_cmd_update_position( - m_base_position, - m_velocity, - m_acceleration, - m_rotation, - do_interpolate, - is_movement_end, - update_interval - ); - // create message and add to list - ActiveObjectMessage aom(getId(), false, str); - m_messages_out.push(aom); -} - -bool LuaEntitySAO::getCollisionBox(aabb3f *toset) const -{ - if (m_prop.physical) - { - //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; - } - - return false; -} - -bool LuaEntitySAO::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; -} - -bool LuaEntitySAO::collideWithObjects() const -{ - 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(gob_cmd_update_armor_groups(m_armor_groups)); // 2 - msg_os << serializeLongString(gob_cmd_update_animation( - m_animation_range, m_animation_speed, m_animation_blend, m_animation_loop)); // 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(gob_cmd_update_bone_position((*ii).first, - (*ii).second.X, (*ii).second.Y)); // m_bone_position.size - } - msg_os << serializeLongString(gob_cmd_update_attachment(m_attachment_parent_id, - m_attachment_bone, m_attachment_position, m_attachment_rotation)); // 4 - msg_os << serializeLongString(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, m_physics_override_new_move)); // 5 - // (GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) : Deprecated, for backwards compatibility only. - msg_os << serializeLongString(gob_cmd_update_nametag_attributes(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(gob_cmd_update_infant(*ii, obj->getSendType(), - obj->getClientInitializationData(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 = gob_cmd_update_position( - 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 - 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) { - 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, - m_physics_override_new_move); - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); - } - - if (!m_animation_sent) { - 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); - } - - 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 = 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); - } -} - -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) { - std::string str = gob_cmd_punched(getHP()); - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); - 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) { - std::string str = gob_cmd_punched(getHP()); - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); - } - } - - 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 gob_cmd_set_properties(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; -} |