index : minetest.git	gpcf lifo-fixes release
	modified minetest for gpcfs purposes	gpcf

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path: root/builtin

	Commit message (Expand)	Author	Age
*	Pointed thing to face pos: Use 'eye height' object property (#6754)	Paramat	2017-12-09
*	Add an active object step time budget #6721	Lars Hofhansl	2017-12-06
*	Add coloured logs (#4549)	you	2017-12-06
*	Auth handler: Player deletion & Iterator (#6741)	sfan5	2017-12-06
*	Zoom: Set zoom FOV per-player using a player object property	paramat	2017-12-04
*	Document extended meaning of active_object_send_range_blocks setting.	Lars Hofhansl	2017-12-03
*	Make core.auth_table private and structure builtin/auth.lua	sfan5	2017-12-01
*	Light curve: Add and tune mid boost gaussian	paramat	2017-11-27
*	Clearobjects: Send progress messages to terminal using actionstream	paramat	2017-11-24
*	core.rotate_node: Run callbacks like with any regular placed node (#6648)	SmallJoker	2017-11-21
*	Mainmenu: Improve button alignment	ezhh	2017-11-19
*	Mainmenu: Make capitalisation consistent in mainmenu and advanced settings	ezhh	2017-11-14
*	Sounds: Add falling node sounds	Auke Kok	2017-11-14
*	Improve Settings tab button alignments	ezhh	2017-11-13
*	Remove incorrect entry from settingtypes	Ezhh	2017-11-12
*	Make use of safe file writing in auth handler (fixes #6576)	sfan5	2017-11-08
*	Item entities: Enable item collision detection for sudden movement	DTA7	2017-11-06
*	Fix Settings tab formspec alignment (#6585)	Ezhh	2017-11-05
*	Rewrite rendering engine (#6253)	Vitaliy	2017-10-31
*	Fix default item callbacks to work with nil users (#5819)	raymoo	2017-10-28
*	Improvements/fixes for noise parameter input in advanced settings	Muhammad Rifqi Priyo Susanto	2017-10-23
*	don't pass g_settings around, and use it directly	Esteban I. RM	2017-10-17
*	Implement #6096	Esteban I. RM	2017-10-17
*	Real global textures (#6105)	Vitaliy	2017-10-15
*	Profiler: Fix var args not being passed to callback register function	rubenwardy	2017-10-14
*	Formspec: textarea with scrollbar improvements	adrido	2017-10-09
*	Do not grant all privs to the admin - changes game behavior (#6460)	lhofhansl	2017-10-07
*	Add setting for near plane distance. (#6395)	Rob Blanckaert	2017-10-07
*	settingtypes.txt: Update zoom description (#6443)	James Alexander Stevenson	2017-10-06
*	[CSM] Add callback on open inventory (#5793)	Vincent Glize	2017-10-02
*	Add mute setting (toggled by the mute key and in the volume menu) (#6415)	DTA7	2017-09-26
*	Implement mod communication channels (#6351)	Loïc Blot	2017-09-26
*	Set placer to nil instead of a non-functional one in item_OnPlace (#6449)	DTA7	2017-09-21
*	Biome API: Revert biomes, decos, ores being relative to water level	paramat	2017-09-17
*	Fix Rotate Node Placement (#6424)	tenplus1	2017-09-16
*	Correct tooltip_append_itemstring terminology (#6421)	DTA7	2017-09-16
*	Add setting to display the itemstring after the tooltip in the inventory. (#6...	DTA7	2017-09-15
*	Customizeable max breath for players (#6411)	SmallJoker	2017-09-15
*	Item drop: Tune to land exactly 2 nodes away with level view (#6410)	Paramat	2017-09-13
*	Network: Remove large parts of deprecated legacy code (#6404)	SmallJoker	2017-09-12
*	Fix core.wrap_text and make its behaviour consistent with the docs	sfan5	2017-09-12
*	Allow the join/leave message to be overridden by mods.	red-001	2017-09-11
*	Fix dropped item look (#6370)	you	2017-09-11
*	Fix crash on revocation of removed privilege	rubenwardy	2017-09-08
*	Server: Calculate maximal total block sends dynamically (#6393)	SmallJoker	2017-09-09
*	Prevent /spawnentity from spawning unknown entity (#6388)	Wuzzy	2017-09-08
*	Remove DSTACK keybind setting (#6378)	Rui	2017-09-05
*	Implement minetest.register_can_bypass_userlimit (#6369)	Loïc Blot	2017-09-04
*	World start time: Add setting for this, default unchanged	paramat	2017-09-04
*	Remove 3D noise from getSteps function (#6360)	Vaughan Lapsley	2017-09-02

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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-12 09:14:08 +0000

/*
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;

	void setRotation(v3f rotation) { m_rotation = rotation; }
	const v3f &getRotation() const { return m_rotation; }
	v3f getRadRotation() { return m_rotation * core::DEGTORAD; }

	// Deprecated
	f32 getRadYawDep() const { return (m_rotation.Y + 90.) * core::DEGTORAD; }

	u16 getHP() const { return m_hp; }
	// Use a function, if isDead can be defined by other conditions
	bool isDead() const { return m_hp == 0; }

	inline bool isAttached() const
	{ return getParent(); }

	inline bool isImmortal() const
	{ return itemgroup_get(getArmorGroups(), "immortal"); }

	void setArmorGroups(const ItemGroupList &armor_groups);
	const ItemGroupList &getArmorGroups() const;
	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) const;
	void clearChildAttachments();
	void clearParentAttachment();
	void addAttachmentChild(int child_id);
	void removeAttachmentChild(int child_id);
	const std::unordered_set<int> &getAttachmentChildIds() const;
	ServerActiveObject *getParent() const;
	ObjectProperties* accessObjectProperties();
	void notifyObjectPropertiesModified();
protected:
	u16 m_hp = 1;

	v3f m_rotation;

	bool m_properties_sent = true;
	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;
private:
	void onAttach(int parent_id);
	void onDetach(int parent_id);
};

/*
	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;
	u16 punch(v3f dir,
		const ToolCapabilities *toolcap = nullptr,
		ServerActiveObject *puncher = nullptr,
		float time_from_last_punch = 1000000.0f);
	void rightClick(ServerActiveObject *clicker);
	void setPos(const v3f &pos);
	void moveTo(v3f pos, bool continuous);
	float getMinimumSavedMovement();
	std::string getDescription();
	void setHP(s32 hp, const PlayerHPChangeReason &reason);
	u16 getHP() const;

	/* LuaEntitySAO-specific */
	void setVelocity(v3f velocity);
	void addVelocity(v3f velocity)
	{
		m_velocity += 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;

	v3f m_last_sent_position;
	v3f m_last_sent_velocity;
	v3f m_last_sent_rotation;
	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;
	}
};

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();

	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)
	{}
};