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content_sao.cpp
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content_sao.cpp
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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.
*/
#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()
{
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();
}
int 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();
const ItemStack &punchitem = puncher->getWieldedItem();
PunchDamageResult result = getPunchDamage(
m_armor_groups,
toolcap,
&punchitem,
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::SET_HP));
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()) {
m_pending_removal = true;
clearParentAttachment();
clearChildAttachments();
m_env->getScriptIface()->luaentity_on_death(m_id, puncher);
}
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 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)
{
assert(m_peer_id != 0); // pre-condition
m_prop.hp_max = PLAYER_MAX_HP_DEFAULT;
m_prop.breath_max = PLAYER_MAX_BREATH_DEFAULT;
m_prop.physical = false;
m_prop.weight = 75;
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;
}
PlayerSAO::~PlayerSAO()
{
if(m_inventory != &m_player->inventory)
delete m_inventory;
}
void PlayerSAO::finalize(RemotePlayer *player, const std::set<std::string> &privs)
{
assert(player);
m_player = player;
m_privs = privs;
m_inventory = &m_player->inventory;
}
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("Deprecated 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