forked from minetest/minetest
/
content_sao.cpp
1422 lines (1246 loc) · 35.9 KB
/
content_sao.cpp
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/*
Minetest
Copyright (C) 2010-2011 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 "collision.h"
#include "environment.h"
#include "settings.h"
#include "main.h" // For g_profiler
#include "profiler.h"
#include "serialization.h" // For compressZlib
#include "tool.h" // For ToolCapabilities
#include "gamedef.h"
#include "player.h"
#include "scriptapi.h"
#include "genericobject.h"
#include "util/serialize.h"
core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
/*
DummyLoadSAO
*/
class DummyLoadSAO : public ServerActiveObject
{
public:
DummyLoadSAO(ServerEnvironment *env, v3f pos, u8 type):
ServerActiveObject(env, pos)
{
ServerActiveObject::registerType(type, create);
}
// Pretend to be the test object (to fool the client)
u8 getType() const
{ return ACTIVEOBJECT_TYPE_TEST; }
// And never save to disk
bool isStaticAllowed() const
{ return false; }
static ServerActiveObject* create(ServerEnvironment *env, v3f pos,
const std::string &data)
{
return new DummyLoadSAO(env, pos, 0);
}
void step(float dtime, bool send_recommended)
{
m_removed = true;
infostream<<"DummyLoadSAO step"<<std::endl;
}
private:
};
// Prototype (registers item for deserialization)
DummyLoadSAO proto1_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_RAT);
DummyLoadSAO proto2_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_OERKKI1);
DummyLoadSAO proto3_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_FIREFLY);
DummyLoadSAO proto4_DummyLoadSAO(NULL, v3f(0,0,0), ACTIVEOBJECT_TYPE_MOBV2);
/*
TestSAO
*/
class TestSAO : public ServerActiveObject
{
public:
TestSAO(ServerEnvironment *env, v3f pos):
ServerActiveObject(env, pos),
m_timer1(0),
m_age(0)
{
ServerActiveObject::registerType(getType(), create);
}
u8 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_removed = 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 == false)
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_back(aom);
}
}
private:
float m_timer1;
float m_age;
};
// Prototype (registers item for deserialization)
TestSAO proto_TestSAO(NULL, v3f(0,0,0));
/*
ItemSAO
DEPRECATED: New dropped items are implemented in Lua; see
builtin/item_entity.lua.
*/
class ItemSAO : public ServerActiveObject
{
public:
u8 getType() const
{ return ACTIVEOBJECT_TYPE_ITEM; }
float getMinimumSavedMovement()
{ return 0.1*BS; }
static ServerActiveObject* create(ServerEnvironment *env, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
char buf[1];
// read version
is.read(buf, 1);
u8 version = buf[0];
// check if version is supported
if(version != 0)
return NULL;
std::string itemstring = deSerializeString(is);
infostream<<"create(): Creating item \""
<<itemstring<<"\""<<std::endl;
return new ItemSAO(env, pos, itemstring);
}
ItemSAO(ServerEnvironment *env, v3f pos,
const std::string itemstring):
ServerActiveObject(env, pos),
m_itemstring(itemstring),
m_itemstring_changed(false),
m_speed_f(0,0,0),
m_last_sent_position(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
}
void step(float dtime, bool send_recommended)
{
ScopeProfiler sp2(g_profiler, "step avg", SPT_AVG);
assert(m_env);
const float interval = 0.2;
if(m_move_interval.step(dtime, interval)==false)
return;
dtime = interval;
core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
collisionMoveResult moveresult;
// Apply gravity
m_speed_f += v3f(0, -dtime*9.81*BS, 0);
// Maximum movement without glitches
f32 pos_max_d = BS*0.25;
// Limit speed
if(m_speed_f.getLength()*dtime > pos_max_d)
m_speed_f *= pos_max_d / (m_speed_f.getLength()*dtime);
v3f pos_f = getBasePosition();
v3f pos_f_old = pos_f;
v3f accel_f = v3f(0,0,0);
f32 stepheight = 0;
IGameDef *gamedef = m_env->getGameDef();
moveresult = collisionMoveSimple(&m_env->getMap(), gamedef,
pos_max_d, box, stepheight, dtime,
pos_f, m_speed_f, accel_f);
if(send_recommended == false)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
setBasePosition(pos_f);
m_last_sent_position = pos_f;
std::ostringstream os(std::ios::binary);
// command (0 = update position)
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
if(m_itemstring_changed)
{
m_itemstring_changed = false;
std::ostringstream os(std::ios::binary);
// command (1 = update itemstring)
writeU8(os, 1);
// itemstring
os<<serializeString(m_itemstring);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string getClientInitializationData(u16 protocol_version)
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
// itemstring
os<<serializeString(m_itemstring);
return os.str();
}
std::string getStaticData()
{
infostream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// itemstring
os<<serializeString(m_itemstring);
return os.str();
}
ItemStack createItemStack()
{
try{
IItemDefManager *idef = m_env->getGameDef()->idef();
ItemStack item;
item.deSerialize(m_itemstring, idef);
infostream<<__FUNCTION_NAME<<": m_itemstring=\""<<m_itemstring
<<"\" -> item=\""<<item.getItemString()<<"\""
<<std::endl;
return item;
}
catch(SerializationError &e)
{
infostream<<__FUNCTION_NAME<<": serialization error: "
<<"m_itemstring=\""<<m_itemstring<<"\""<<std::endl;
return ItemStack();
}
}
int punch(v3f dir,
const ToolCapabilities *toolcap,
ServerActiveObject *puncher,
float time_from_last_punch)
{
// Take item into inventory
ItemStack item = createItemStack();
Inventory *inv = puncher->getInventory();
if(inv != NULL)
{
std::string wieldlist = puncher->getWieldList();
ItemStack leftover = inv->addItem(wieldlist, item);
puncher->setInventoryModified();
if(leftover.empty())
{
m_removed = true;
}
else
{
m_itemstring = leftover.getItemString();
m_itemstring_changed = true;
}
}
return 0;
}
private:
std::string m_itemstring;
bool m_itemstring_changed;
v3f m_speed_f;
v3f m_last_sent_position;
IntervalLimiter m_move_interval;
};
// Prototype (registers item for deserialization)
ItemSAO proto_ItemSAO(NULL, v3f(0,0,0), "");
ServerActiveObject* createItemSAO(ServerEnvironment *env, v3f pos,
const std::string itemstring)
{
return new ItemSAO(env, pos, itemstring);
}
/*
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):
ServerActiveObject(env, pos),
m_init_name(name),
m_init_state(state),
m_registered(false),
m_hp(-1),
m_velocity(0,0,0),
m_acceleration(0,0,0),
m_yaw(0),
m_properties_sent(true),
m_last_sent_yaw(0),
m_last_sent_position(0,0,0),
m_last_sent_velocity(0,0,0),
m_last_sent_position_timer(0),
m_last_sent_move_precision(0),
m_armor_groups_sent(false),
m_animation_speed(0),
m_animation_blend(0),
m_animation_sent(false),
m_bone_position_sent(false),
m_attachment_parent_id(0),
m_attachment_sent(false)
{
// Only register type if no environment supplied
if(env == NULL){
ServerActiveObject::registerType(getType(), create);
return;
}
// Initialize something to armor groups
m_armor_groups["fleshy"] = 3;
m_armor_groups["snappy"] = 2;
}
LuaEntitySAO::~LuaEntitySAO()
{
if(m_registered){
lua_State *L = m_env->getLua();
scriptapi_luaentity_rm(L, m_id);
}
}
void LuaEntitySAO::addedToEnvironment(u32 dtime_s)
{
ServerActiveObject::addedToEnvironment(dtime_s);
// Create entity from name
lua_State *L = m_env->getLua();
m_registered = scriptapi_luaentity_add(L, m_id, m_init_name.c_str());
if(m_registered){
// Get properties
scriptapi_luaentity_get_properties(L, m_id, &m_prop);
// Initialize HP from properties
m_hp = m_prop.hp_max;
// Activate entity, supplying serialized state
scriptapi_luaentity_activate(L, m_id, m_init_state.c_str(), dtime_s);
}
}
ServerActiveObject* LuaEntitySAO::create(ServerEnvironment *env, v3f pos,
const std::string &data)
{
std::string name;
std::string state;
s16 hp = 1;
v3f velocity;
float yaw = 0;
if(data != ""){
std::istringstream is(data, std::ios::binary);
// read version
u8 version = readU8(is);
// check if version is supported
if(version == 0){
name = deSerializeString(is);
state = deSerializeLongString(is);
}
else if(version == 1){
name = deSerializeString(is);
state = deSerializeLongString(is);
hp = readS16(is);
velocity = readV3F1000(is);
yaw = readF1000(is);
}
}
// 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_yaw = yaw;
return sao;
}
bool LuaEntitySAO::isAttached()
{
if(!m_attachment_parent_id)
return false;
// Check if the parent still exists
ServerActiveObject *obj = m_env->getActiveObject(m_attachment_parent_id);
if(obj)
return true;
return false;
}
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_back(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){
core::aabbox3d<f32> box = m_prop.collisionbox;
box.MinEdge *= BS;
box.MaxEdge *= BS;
collisionMoveResult moveresult;
f32 pos_max_d = BS*0.25; // Distance per iteration
f32 stepheight = 0; // Maximum climbable step height
v3f p_pos = m_base_position;
v3f p_velocity = m_velocity;
v3f p_acceleration = m_acceleration;
IGameDef *gamedef = m_env->getGameDef();
moveresult = collisionMoveSimple(&m_env->getMap(), gamedef,
pos_max_d, box, stepheight, dtime,
p_pos, p_velocity, p_acceleration);
// 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_registered){
lua_State *L = m_env->getLua();
scriptapi_luaentity_step(L, m_id, dtime);
}
if(send_recommended == false)
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 ||
fabs(m_yaw - m_last_sent_yaw) > 1.0){
sendPosition(true, false);
}
}
if(m_armor_groups_sent == false){
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_back(aom);
}
if(m_animation_sent == false){
m_animation_sent = true;
std::string str = gob_cmd_update_animation(m_animation_range, m_animation_speed, m_animation_blend);
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push_back(aom);
}
if(m_bone_position_sent == false){
m_bone_position_sent = true;
for(std::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_back(aom);
}
}
if(m_attachment_sent == false){
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_back(aom);
}
}
std::string LuaEntitySAO::getClientInitializationData(u16 protocol_version)
{
std::ostringstream os(std::ios::binary);
if(protocol_version >= 14)
{
writeU8(os, 1); // version
os<<serializeString(""); // name
writeU8(os, 0); // is_player
writeS16(os, getId()); //id
writeV3F1000(os, m_base_position);
writeF1000(os, m_yaw);
writeS16(os, m_hp);
writeU8(os, 4 + m_bone_position.size()); // number of messages stuffed in here
os<<serializeLongString(getPropertyPacket()); // message 1
os<<serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2
os<<serializeLongString(gob_cmd_update_animation(m_animation_range, m_animation_speed, m_animation_blend)); // 3
for(std::map<std::string, core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii){
os<<serializeLongString(gob_cmd_update_bone_position((*ii).first, (*ii).second.X, (*ii).second.Y)); // m_bone_position.size
}
os<<serializeLongString(gob_cmd_update_attachment(m_attachment_parent_id, m_attachment_bone, m_attachment_position, m_attachment_rotation)); // 4
}
else
{
writeU8(os, 0); // version
os<<serializeString(""); // name
writeU8(os, 0); // is_player
writeV3F1000(os, m_base_position);
writeF1000(os, m_yaw);
writeS16(os, m_hp);
writeU8(os, 2); // number of messages stuffed in here
os<<serializeLongString(getPropertyPacket()); // message 1
os<<serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2
}
// return result
return os.str();
}
std::string LuaEntitySAO::getStaticData()
{
verbosestream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 1);
// name
os<<serializeString(m_init_name);
// state
if(m_registered){
lua_State *L = m_env->getLua();
std::string state = scriptapi_luaentity_get_staticdata(L, m_id);
os<<serializeLongString(state);
} else {
os<<serializeLongString(m_init_state);
}
// hp
writeS16(os, m_hp);
// velocity
writeV3F1000(os, m_velocity);
// yaw
writeF1000(os, m_yaw);
return 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_removed = true;
return 0;
}
// It's best that attachments cannot be punched
if(isAttached())
return 0;
ItemStack *punchitem = NULL;
ItemStack punchitem_static;
if(puncher){
punchitem_static = puncher->getWieldedItem();
punchitem = &punchitem_static;
}
PunchDamageResult result = getPunchDamage(
m_armor_groups,
toolcap,
punchitem,
time_from_last_punch);
if(result.did_punch)
{
setHP(getHP() - result.damage);
actionstream<<getDescription()<<" punched by "
<<puncher->getDescription()<<", damage "<<result.damage
<<" hp, health now "<<getHP()<<" hp"<<std::endl;
{
std::string str = gob_cmd_punched(result.damage, getHP());
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push_back(aom);
}
if(getHP() == 0)
m_removed = true;
}
lua_State *L = m_env->getLua();
scriptapi_luaentity_punch(L, m_id, puncher,
time_from_last_punch, toolcap, dir);
return result.wear;
}
void LuaEntitySAO::rightClick(ServerActiveObject *clicker)
{
if(!m_registered)
return;
// It's best that attachments cannot be clicked
if(isAttached())
return;
lua_State *L = m_env->getLua();
scriptapi_luaentity_rightclick(L, m_id, clicker);
}
void LuaEntitySAO::setPos(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(s16 hp)
{
if(hp < 0) hp = 0;
m_hp = hp;
}
s16 LuaEntitySAO::getHP() const
{
return m_hp;
}
void LuaEntitySAO::setArmorGroups(const ItemGroupList &armor_groups)
{
m_armor_groups = armor_groups;
m_armor_groups_sent = false;
}
void LuaEntitySAO::setAnimation(v2f frame_range, float frame_speed, float frame_blend)
{
m_animation_range = frame_range;
m_animation_speed = frame_speed;
m_animation_blend = frame_blend;
m_animation_sent = false;
}
void LuaEntitySAO::setBonePosition(std::string bone, v3f position, v3f rotation)
{
m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
m_bone_position_sent = false;
}
void LuaEntitySAO::setAttachment(int parent_id, 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.
m_attachment_parent_id = parent_id;
m_attachment_bone = bone;
m_attachment_position = position;
m_attachment_rotation = rotation;
m_attachment_sent = false;
}
ObjectProperties* LuaEntitySAO::accessObjectProperties()
{
return &m_prop;
}
void LuaEntitySAO::notifyObjectPropertiesModified()
{
m_properties_sent = false;
}
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::setYaw(float yaw)
{
m_yaw = yaw;
}
float LuaEntitySAO::getYaw()
{
return m_yaw;
}
void LuaEntitySAO::setTextureMod(const std::string &mod)
{
std::string str = gob_cmd_set_texture_mod(mod);
// create message and add to list
ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push_back(aom);
}
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_back(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_yaw = m_yaw;
m_last_sent_position = m_base_position;
m_last_sent_velocity = m_velocity;
//m_last_sent_acceleration = m_acceleration;
float update_interval = m_env->getSendRecommendedInterval();
std::string str = gob_cmd_update_position(
m_base_position,
m_velocity,
m_acceleration,
m_yaw,
do_interpolate,
is_movement_end,
update_interval
);
// create message and add to list
ActiveObjectMessage aom(getId(), false, str);
m_messages_out.push_back(aom);
}
/*
PlayerSAO
*/
// No prototype, PlayerSAO does not need to be deserialized
PlayerSAO::PlayerSAO(ServerEnvironment *env_, Player *player_, u16 peer_id_,
const std::set<std::string> &privs, bool is_singleplayer):
ServerActiveObject(env_, v3f(0,0,0)),
m_player(player_),
m_peer_id(peer_id_),
m_inventory(NULL),
m_last_good_position(0,0,0),
m_last_good_position_age(0),
m_time_from_last_punch(0),
m_nocheat_dig_pos(32767, 32767, 32767),
m_nocheat_dig_time(0),
m_wield_index(0),
m_position_not_sent(false),
m_armor_groups_sent(false),
m_properties_sent(true),
m_privs(privs),
m_is_singleplayer(is_singleplayer),
m_animation_sent(false),
m_bone_position_sent(false),
m_attachment_sent(false),
// public
m_moved(false),
m_inventory_not_sent(false),
m_hp_not_sent(false),
m_wielded_item_not_sent(false)
{
assert(m_player);
assert(m_peer_id != 0);
setBasePosition(m_player->getPosition());
m_inventory = &m_player->inventory;
m_armor_groups["choppy"] = 2;
m_armor_groups["fleshy"] = 3;
m_prop.hp_max = PLAYER_MAX_HP;
m_prop.physical = false;
m_prop.weight = 75;
m_prop.collisionbox = core::aabbox3d<f32>(-1/3.,-1.0,-1/3., 1/3.,1.0,1/3.);
// start of default appearance, this should be overwritten by LUA
m_prop.visual = "upright_sprite";
m_prop.visual_size = v2f(1, 2);
m_prop.textures.clear();
m_prop.textures.push_back("player.png");
m_prop.textures.push_back("player_back.png");
m_prop.colors.clear();
m_prop.colors.push_back(video::SColor(255, 255, 255, 255));
m_prop.spritediv = v2s16(1,1);
// end of default appearance
m_prop.is_visible = true;
m_prop.makes_footstep_sound = true;
}
PlayerSAO::~PlayerSAO()
{
if(m_inventory != &m_player->inventory)
delete m_inventory;
}
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_player->getPosition());
m_player->setPlayerSAO(this);
m_player->peer_id = m_peer_id;
m_last_good_position = m_player->getPosition();
m_last_good_position_age = 0.0;
}
// Called before removing from environment
void PlayerSAO::removingFromEnvironment()
{
ServerActiveObject::removingFromEnvironment();
if(m_player->getPlayerSAO() == this)
{
m_player->setPlayerSAO(NULL);
m_player->peer_id = 0;
}
}
bool PlayerSAO::isStaticAllowed() const
{
return false;
}
bool PlayerSAO::unlimitedTransferDistance() const
{
return g_settings->getBool("unlimited_player_transfer_distance");
}
std::string PlayerSAO::getClientInitializationData(u16 protocol_version)
{
std::ostringstream os(std::ios::binary);
if(protocol_version >= 15)
{
writeU8(os, 1); // version
os<<serializeString(m_player->getName()); // name
writeU8(os, 1); // is_player
writeS16(os, getId()); //id
writeV3F1000(os, m_player->getPosition() + v3f(0,BS*1,0));
writeF1000(os, m_player->getYaw());
writeS16(os, getHP());
writeU8(os, 4 + m_bone_position.size()); // number of messages stuffed in here
os<<serializeLongString(getPropertyPacket()); // message 1
os<<serializeLongString(gob_cmd_update_armor_groups(m_armor_groups)); // 2