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- /*
- 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.
- */
- #pragma once
- #include "network/networkprotocol.h"
- #include "util/numeric.h"
- #include "serverobject.h"
- #include "itemgroup.h"
- #include "object_properties.h"
- #include "constants.h"
- class UnitSAO: public ServerActiveObject
- {
- public:
- UnitSAO(ServerEnvironment *env, v3f pos);
- virtual ~UnitSAO() = default;
- virtual void setYaw(const float yaw) { m_yaw = yaw; }
- float getYaw() const { return m_yaw; };
- f32 getRadYaw() const { return m_yaw * core::DEGTORAD; }
- // Deprecated
- f32 getRadYawDep() const { return (m_yaw + 90.) * core::DEGTORAD; }
- s16 getHP() const { return m_hp; }
- // Use a function, if isDead can be defined by other conditions
- bool isDead() const { return m_hp == 0; }
- bool isAttached() const;
- void setArmorGroups(const ItemGroupList &armor_groups);
- const ItemGroupList &getArmorGroups();
- void setAnimation(v2f frame_range, float frame_speed, float frame_blend, bool frame_loop);
- void getAnimation(v2f *frame_range, float *frame_speed, float *frame_blend, bool *frame_loop);
- void setAnimationSpeed(float frame_speed);
- void setBonePosition(const std::string &bone, v3f position, v3f rotation);
- void getBonePosition(const std::string &bone, v3f *position, v3f *rotation);
- void setAttachment(int parent_id, const std::string &bone, v3f position, v3f rotation);
- void getAttachment(int *parent_id, std::string *bone, v3f *position, v3f *rotation);
- void addAttachmentChild(int child_id);
- void removeAttachmentChild(int child_id);
- const std::unordered_set<int> &getAttachmentChildIds();
- ObjectProperties* accessObjectProperties();
- void notifyObjectPropertiesModified();
- protected:
- s16 m_hp = -1;
- float m_yaw = 0.0f;
- bool m_properties_sent = true;
- struct ObjectProperties m_prop;
- ItemGroupList m_armor_groups;
- bool m_armor_groups_sent = false;
- v2f m_animation_range;
- float m_animation_speed = 0.0f;
- float m_animation_blend = 0.0f;
- bool m_animation_loop = true;
- bool m_animation_sent = false;
- bool m_animation_speed_sent = false;
- // Stores position and rotation for each bone name
- std::unordered_map<std::string, core::vector2d<v3f>> m_bone_position;
- bool m_bone_position_sent = false;
- int m_attachment_parent_id = 0;
- std::unordered_set<int> m_attachment_child_ids;
- std::string m_attachment_bone = "";
- v3f m_attachment_position;
- v3f m_attachment_rotation;
- bool m_attachment_sent = false;
- };
- /*
- LuaEntitySAO needs some internals exposed.
- */
- class LuaEntitySAO : public UnitSAO
- {
- public:
- LuaEntitySAO(ServerEnvironment *env, v3f pos,
- const std::string &name, const std::string &state);
- ~LuaEntitySAO();
- ActiveObjectType getType() const
- { return ACTIVEOBJECT_TYPE_LUAENTITY; }
- ActiveObjectType getSendType() const
- { return ACTIVEOBJECT_TYPE_GENERIC; }
- virtual void addedToEnvironment(u32 dtime_s);
- static ServerActiveObject* create(ServerEnvironment *env, v3f pos,
- const std::string &data);
- void step(float dtime, bool send_recommended);
- std::string getClientInitializationData(u16 protocol_version);
- bool isStaticAllowed() const
- { return m_prop.static_save; }
- void getStaticData(std::string *result) const;
- int punch(v3f dir,
- const ToolCapabilities *toolcap=NULL,
- ServerActiveObject *puncher=NULL,
- float time_from_last_punch=1000000);
- void rightClick(ServerActiveObject *clicker);
- void setPos(const v3f &pos);
- void moveTo(v3f pos, bool continuous);
- float getMinimumSavedMovement();
- std::string getDescription();
- void setHP(s16 hp);
- s16 getHP() const;
- /* LuaEntitySAO-specific */
- void setVelocity(v3f velocity);
- v3f getVelocity();
- void setAcceleration(v3f acceleration);
- v3f getAcceleration();
- void setTextureMod(const std::string &mod);
- std::string getTextureMod() const;
- void setSprite(v2s16 p, int num_frames, float framelength,
- bool select_horiz_by_yawpitch);
- std::string getName();
- bool getCollisionBox(aabb3f *toset) const;
- bool getSelectionBox(aabb3f *toset) const;
- bool collideWithObjects() const;
- private:
- std::string getPropertyPacket();
- void sendPosition(bool do_interpolate, bool is_movement_end);
- std::string m_init_name;
- std::string m_init_state;
- bool m_registered = false;
- v3f m_velocity;
- v3f m_acceleration;
- float m_last_sent_yaw = 0.0f;
- v3f m_last_sent_position;
- v3f m_last_sent_velocity;
- float m_last_sent_position_timer = 0.0f;
- float m_last_sent_move_precision = 0.0f;
- 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;
- }
- };
- typedef std::unordered_map<std::string, std::string> PlayerAttributes;
- class RemotePlayer;
- class PlayerSAO : public UnitSAO
- {
- public:
- PlayerSAO(ServerEnvironment *env_, RemotePlayer *player_, session_t peer_id_,
- bool is_singleplayer);
- ~PlayerSAO();
- 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 setYaw(const float yaw);
- // Data should not be sent at player initialization
- void setYawAndSend(const float yaw);
- void setPitch(const float pitch);
- // Data should not be sent at player initialization
- void setPitchAndSend(const float pitch);
- f32 getPitch() const { return m_pitch; }
- f32 getRadPitch() const { return m_pitch * core::DEGTORAD; }
- // Deprecated
- f32 getRadPitchDep() const { return -1.0 * m_pitch * core::DEGTORAD; }
- void setFov(const float pitch);
- f32 getFov() const { return m_fov; }
- void setWantedRange(const s16 range);
- s16 getWantedRange() const { return m_wanted_range; }
- /*
- Interaction interface
- */
- int punch(v3f dir,
- const ToolCapabilities *toolcap,
- ServerActiveObject *puncher,
- float time_from_last_punch);
- void rightClick(ServerActiveObject *clicker) {}
- void setHP(s16 hp);
- void setHPRaw(s16 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 Inventory* getInventory() const;
- InventoryLocation getInventoryLocation() const;
- std::string getWieldList() const;
- ItemStack getWieldedItem() const;
- ItemStack getWieldedItemOrHand() const;
- bool setWieldedItem(const ItemStack &item);
- int getWieldIndex() const;
- void setWieldIndex(int i);
- /*
- Modding interface
- */
- inline void setExtendedAttribute(const std::string &attr, const std::string &value)
- {
- m_extra_attributes[attr] = value;
- m_extended_attributes_modified = true;
- }
- inline bool getExtendedAttribute(const std::string &attr, std::string *value)
- {
- if (m_extra_attributes.find(attr) == m_extra_attributes.end())
- return false;
- *value = m_extra_attributes[attr];
- return true;
- }
- inline void removeExtendedAttribute(const std::string &attr)
- {
- PlayerAttributes::iterator it = m_extra_attributes.find(attr);
- if (it == m_extra_attributes.end())
- return;
- m_extra_attributes.erase(it);
- m_extended_attributes_modified = true;
- }
- inline const PlayerAttributes &getExtendedAttributes()
- {
- return m_extra_attributes;
- }
- inline bool extendedAttributesModified() const
- {
- return m_extended_attributes_modified;
- }
- inline void setExtendedAttributeModified(bool v)
- {
- m_extended_attributes_modified = v;
- }
- /*
- 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;
- }
- // 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;
- private:
- std::string getPropertyPacket();
- void unlinkPlayerSessionAndSave();
- RemotePlayer *m_player = nullptr;
- session_t m_peer_id = 0;
- Inventory *m_inventory = nullptr;
- s16 m_damage = 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;
- // Timers
- IntervalLimiter m_breathing_interval;
- IntervalLimiter m_drowning_interval;
- IntervalLimiter m_node_hurt_interval;
- int m_wield_index = 0;
- 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;
- PlayerAttributes m_extra_attributes;
- bool m_extended_attributes_modified = false;
- 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;
- };
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