diff options
Diffstat (limited to 'src/content_sao.cpp')
| -rw-r--r-- | src/content_sao.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/content_sao.cpp b/src/content_sao.cpp index c41f4ed78..0b81855c1 100644 --- a/src/content_sao.cpp +++ b/src/content_sao.cpp @@ -693,4 +693,179 @@ void Oerkki1SAO::doDamage(u16 d) } } +/* + 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; +} |