minetest/src/content_sao.cpp
JacobF c68ea19e8d Now SAOs will reflect changes to their temporary inventory object
Also, the temp item wasn't being deleted, might have been a memory leak.
Now you will only eat 1 item off a stack
2011-09-06 16:36:11 +03:00

889 lines
19 KiB
C++

/*
Minetest-c55
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 General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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"
core::map<u16, ServerActiveObject::Factory> ServerActiveObject::m_types;
/*
TestSAO
*/
// Prototype
TestSAO proto_TestSAO(NULL, 0, v3f(0,0,0));
TestSAO::TestSAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_timer1(0),
m_age(0)
{
ServerActiveObject::registerType(getType(), create);
}
ServerActiveObject* TestSAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
return new TestSAO(env, id, pos);
}
void TestSAO::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;
//dstream<<"TestSAO: id="<<getId()<<" sending data"<<std::endl;
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);
}
}
/*
ItemSAO
*/
// Prototype
ItemSAO proto_ItemSAO(NULL, 0, v3f(0,0,0), "");
ItemSAO::ItemSAO(ServerEnvironment *env, u16 id, v3f pos,
const std::string inventorystring):
ServerActiveObject(env, id, pos),
m_inventorystring(inventorystring),
m_speed_f(0,0,0),
m_last_sent_position(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
}
ServerActiveObject* ItemSAO::create(ServerEnvironment *env, u16 id, 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 inventorystring = deSerializeString(is);
dstream<<"ItemSAO::create(): Creating item \""
<<inventorystring<<"\""<<std::endl;
return new ItemSAO(env, id, pos, inventorystring);
}
void ItemSAO::step(float dtime, bool send_recommended)
{
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;
moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_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);
char buf[6];
// command (0 = update position)
buf[0] = 0;
os.write(buf, 1);
// pos
writeS32((u8*)buf, m_base_position.X*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Y*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Z*1000);
os.write(buf, 4);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string ItemSAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
char buf[6];
// version
buf[0] = 0;
os.write(buf, 1);
// pos
writeS32((u8*)buf, m_base_position.X*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Y*1000);
os.write(buf, 4);
writeS32((u8*)buf, m_base_position.Z*1000);
os.write(buf, 4);
// inventorystring
os<<serializeString(m_inventorystring);
return os.str();
}
std::string ItemSAO::getStaticData()
{
dstream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
char buf[1];
// version
buf[0] = 0;
os.write(buf, 1);
// inventorystring
os<<serializeString(m_inventorystring);
return os.str();
}
InventoryItem * ItemSAO::createInventoryItem()
{
try{
std::istringstream is(m_inventorystring, std::ios_base::binary);
InventoryItem *item = InventoryItem::deSerialize(is);
dstream<<__FUNCTION_NAME<<": m_inventorystring=\""
<<m_inventorystring<<"\" -> item="<<item
<<std::endl;
return item;
}
catch(SerializationError &e)
{
dstream<<__FUNCTION_NAME<<": serialization error: "
<<"m_inventorystring=\""<<m_inventorystring<<"\""<<std::endl;
return NULL;
}
}
void ItemSAO::rightClick(Player *player)
{
dstream<<__FUNCTION_NAME<<std::endl;
InventoryItem *item = createInventoryItem();
if(item == NULL)
return;
bool to_be_deleted = item->use(m_env, player);
if(to_be_deleted)
m_removed = true;
else
// Reflect changes to the item here
m_inventorystring = item->getItemString();
delete item;
}
/*
RatSAO
*/
// Prototype
RatSAO proto_RatSAO(NULL, 0, v3f(0,0,0));
RatSAO::RatSAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_is_active(false),
m_speed_f(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
m_oldpos = v3f(0,0,0);
m_last_sent_position = v3f(0,0,0);
m_yaw = myrand_range(0,PI*2);
m_counter1 = 0;
m_counter2 = 0;
m_age = 0;
m_touching_ground = false;
}
ServerActiveObject* RatSAO::create(ServerEnvironment *env, u16 id, 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;
return new RatSAO(env, id, pos);
}
void RatSAO::step(float dtime, bool send_recommended)
{
assert(m_env);
if(m_is_active == false)
{
if(m_inactive_interval.step(dtime, 0.5)==false)
return;
}
/*
The AI
*/
/*m_age += dtime;
if(m_age > 60)
{
// Die
m_removed = true;
return;
}*/
// Apply gravity
m_speed_f.Y -= dtime*9.81*BS;
/*
Move around if some player is close
*/
bool player_is_close = false;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
if(m_base_position.getDistanceFrom(playerpos) < BS*10.0)
{
player_is_close = true;
break;
}
}
m_is_active = player_is_close;
if(player_is_close == false)
{
m_speed_f.X = 0;
m_speed_f.Z = 0;
}
else
{
// Move around
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
f32 speed = 2*BS;
m_speed_f.X = speed * dir.X;
m_speed_f.Z = speed * dir.Z;
if(m_touching_ground && (m_oldpos - m_base_position).getLength()
< dtime*speed/2)
{
m_counter1 -= dtime;
if(m_counter1 < 0.0)
{
m_counter1 += 1.0;
m_speed_f.Y = 5.0*BS;
}
}
{
m_counter2 -= dtime;
if(m_counter2 < 0.0)
{
m_counter2 += (float)(myrand()%100)/100*3.0;
m_yaw += ((float)(myrand()%200)-100)/100*180;
m_yaw = wrapDegrees(m_yaw);
}
}
}
m_oldpos = m_base_position;
/*
Move it, with collision detection
*/
core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.);
collisionMoveResult moveresult;
// 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;
moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
m_touching_ground = moveresult.touching_ground;
setBasePosition(pos_f);
if(send_recommended == false)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
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);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string RatSAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
return os.str();
}
std::string RatSAO::getStaticData()
{
//dstream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
return os.str();
}
InventoryItem* RatSAO::createPickedUpItem()
{
std::istringstream is("CraftItem rat 1", std::ios_base::binary);
InventoryItem *item = InventoryItem::deSerialize(is);
return item;
}
/*
Oerkki1SAO
*/
// Y is copied, X and Z change is limited
void accelerate_xz(v3f &speed, v3f target_speed, f32 max_increase)
{
v3f d_wanted = target_speed - speed;
d_wanted.Y = 0;
f32 dl_wanted = d_wanted.getLength();
f32 dl = dl_wanted;
if(dl > max_increase)
dl = max_increase;
v3f d = d_wanted.normalize() * dl;
speed.X += d.X;
speed.Z += d.Z;
speed.Y = target_speed.Y;
}
// Prototype
Oerkki1SAO proto_Oerkki1SAO(NULL, 0, v3f(0,0,0));
Oerkki1SAO::Oerkki1SAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_is_active(false),
m_speed_f(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
m_oldpos = v3f(0,0,0);
m_last_sent_position = v3f(0,0,0);
m_yaw = 0;
m_counter1 = 0;
m_counter2 = 0;
m_age = 0;
m_touching_ground = false;
m_hp = 20;
m_after_jump_timer = 0;
}
ServerActiveObject* Oerkki1SAO::create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data)
{
std::istringstream is(data, std::ios::binary);
// read version
u8 version = readU8(is);
// read hp
u8 hp = readU8(is);
// check if version is supported
if(version != 0)
return NULL;
Oerkki1SAO *o = new Oerkki1SAO(env, id, pos);
o->m_hp = hp;
return o;
}
void Oerkki1SAO::step(float dtime, bool send_recommended)
{
assert(m_env);
if(m_is_active == false)
{
if(m_inactive_interval.step(dtime, 0.5)==false)
return;
}
/*
The AI
*/
m_age += dtime;
if(m_age > 120)
{
// Die
m_removed = true;
return;
}
m_after_jump_timer -= dtime;
v3f old_speed = m_speed_f;
// Apply gravity
m_speed_f.Y -= dtime*9.81*BS;
/*
Move around if some player is close
*/
bool player_is_close = false;
bool player_is_too_close = false;
v3f near_player_pos;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
f32 dist = m_base_position.getDistanceFrom(playerpos);
if(dist < BS*1.45)
{
player_is_too_close = true;
near_player_pos = playerpos;
break;
}
else if(dist < BS*15.0)
{
player_is_close = true;
near_player_pos = playerpos;
}
}
m_is_active = player_is_close;
v3f target_speed = m_speed_f;
if(!player_is_close)
{
target_speed = v3f(0,0,0);
}
else
{
// Move around
v3f ndir = near_player_pos - m_base_position;
ndir.Y = 0;
ndir.normalize();
f32 nyaw = 180./PI*atan2(ndir.Z,ndir.X);
if(nyaw < m_yaw - 180)
nyaw += 360;
else if(nyaw > m_yaw + 180)
nyaw -= 360;
m_yaw = 0.95*m_yaw + 0.05*nyaw;
m_yaw = wrapDegrees(m_yaw);
f32 speed = 2*BS;
if((m_touching_ground || m_after_jump_timer > 0.0)
&& !player_is_too_close)
{
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
target_speed.X = speed * dir.X;
target_speed.Z = speed * dir.Z;
}
if(m_touching_ground && (m_oldpos - m_base_position).getLength()
< dtime*speed/2)
{
m_counter1 -= dtime;
if(m_counter1 < 0.0)
{
m_counter1 += 0.2;
// Jump
target_speed.Y = 5.0*BS;
m_after_jump_timer = 1.0;
}
}
{
m_counter2 -= dtime;
if(m_counter2 < 0.0)
{
m_counter2 += (float)(myrand()%100)/100*3.0;
//m_yaw += ((float)(myrand()%200)-100)/100*180;
m_yaw += ((float)(myrand()%200)-100)/100*90;
m_yaw = wrapDegrees(m_yaw);
}
}
}
if((m_speed_f - target_speed).getLength() > BS*4 || player_is_too_close)
accelerate_xz(m_speed_f, target_speed, dtime*BS*8);
else
accelerate_xz(m_speed_f, target_speed, dtime*BS*4);
m_oldpos = m_base_position;
/*
Move it, with collision detection
*/
core::aabbox3d<f32> box(-BS/3.,0.0,-BS/3., BS/3.,BS*5./3.,BS/3.);
collisionMoveResult moveresult;
// 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;
moveresult = collisionMovePrecise(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
m_touching_ground = moveresult.touching_ground;
// Do collision damage
float tolerance = BS*12;
float factor = BS*0.5;
v3f speed_diff = old_speed - m_speed_f;
// Increase effect in X and Z
speed_diff.X *= 2;
speed_diff.Z *= 2;
float vel = speed_diff.getLength();
if(vel > tolerance)
{
f32 damage_f = (vel - tolerance)/BS*factor;
u16 damage = (u16)(damage_f+0.5);
doDamage(damage);
}
setBasePosition(pos_f);
if(send_recommended == false && m_speed_f.getLength() < 3.0*BS)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
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);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string Oerkki1SAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
return os.str();
}
std::string Oerkki1SAO::getStaticData()
{
//dstream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// hp
writeU8(os, m_hp);
return os.str();
}
u16 Oerkki1SAO::punch(const std::string &toolname, v3f dir)
{
m_speed_f += dir*12*BS;
u16 amount = 5;
doDamage(amount);
return 65536/100;
}
void Oerkki1SAO::doDamage(u16 d)
{
dstream<<"oerkki damage: "<<d<<std::endl;
if(d < m_hp)
{
m_hp -= d;
}
else
{
// Die
m_hp = 0;
m_removed = true;
}
{
std::ostringstream os(std::ios::binary);
// command (1 = damage)
writeU8(os, 1);
// amount
writeU8(os, d);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
/*
FireflySAO
*/
// Prototype
FireflySAO proto_FireflySAO(NULL, 0, v3f(0,0,0));
FireflySAO::FireflySAO(ServerEnvironment *env, u16 id, v3f pos):
ServerActiveObject(env, id, pos),
m_is_active(false),
m_speed_f(0,0,0)
{
ServerActiveObject::registerType(getType(), create);
m_oldpos = v3f(0,0,0);
m_last_sent_position = v3f(0,0,0);
m_yaw = 0;
m_counter1 = 0;
m_counter2 = 0;
m_age = 0;
m_touching_ground = false;
}
ServerActiveObject* FireflySAO::create(ServerEnvironment *env, u16 id, 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;
return new FireflySAO(env, id, pos);
}
void FireflySAO::step(float dtime, bool send_recommended)
{
assert(m_env);
if(m_is_active == false)
{
if(m_inactive_interval.step(dtime, 0.5)==false)
return;
}
/*
The AI
*/
// Apply (less) gravity
m_speed_f.Y -= dtime*3*BS;
/*
Move around if some player is close
*/
bool player_is_close = false;
// Check connected players
core::list<Player*> players = m_env->getPlayers(true);
core::list<Player*>::Iterator i;
for(i = players.begin();
i != players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
if(m_base_position.getDistanceFrom(playerpos) < BS*10.0)
{
player_is_close = true;
break;
}
}
m_is_active = player_is_close;
if(player_is_close == false)
{
m_speed_f.X = 0;
m_speed_f.Z = 0;
}
else
{
// Move around
v3f dir(cos(m_yaw/180*PI),0,sin(m_yaw/180*PI));
f32 speed = BS/2;
m_speed_f.X = speed * dir.X;
m_speed_f.Z = speed * dir.Z;
if(m_touching_ground && (m_oldpos - m_base_position).getLength()
< dtime*speed/2)
{
m_counter1 -= dtime;
if(m_counter1 < 0.0)
{
m_counter1 += 1.0;
m_speed_f.Y = 5.0*BS;
}
}
{
m_counter2 -= dtime;
if(m_counter2 < 0.0)
{
m_counter2 += (float)(myrand()%100)/100*3.0;
m_yaw += ((float)(myrand()%200)-100)/100*180;
m_yaw = wrapDegrees(m_yaw);
}
}
}
m_oldpos = m_base_position;
/*
Move it, with collision detection
*/
core::aabbox3d<f32> box(-BS/3.,-BS*2/3.0,-BS/3., BS/3.,BS*4./3.,BS/3.);
collisionMoveResult moveresult;
// 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;
moveresult = collisionMoveSimple(&m_env->getMap(), pos_max_d,
box, dtime, pos_f, m_speed_f);
m_touching_ground = moveresult.touching_ground;
setBasePosition(pos_f);
if(send_recommended == false)
return;
if(pos_f.getDistanceFrom(m_last_sent_position) > 0.05*BS)
{
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);
// yaw
writeF1000(os, m_yaw);
// create message and add to list
ActiveObjectMessage aom(getId(), false, os.str());
m_messages_out.push_back(aom);
}
}
std::string FireflySAO::getClientInitializationData()
{
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
// pos
writeV3F1000(os, m_base_position);
return os.str();
}
std::string FireflySAO::getStaticData()
{
//dstream<<__FUNCTION_NAME<<std::endl;
std::ostringstream os(std::ios::binary);
// version
writeU8(os, 0);
return os.str();
}
InventoryItem* FireflySAO::createPickedUpItem()
{
std::istringstream is("CraftItem firefly 1", std::ios_base::binary);
InventoryItem *item = InventoryItem::deSerialize(is);
return item;
}