Merge remote-tracking branch 'kahrl/dissector'
[oweals/minetest.git] / src / content_sao.cpp
index c41f4ed784297e0aaf08efb5ac6dc1f0bba0a07c..638f50c9dbe674fae5dd125cbf8ed2c9abe4ebe2 100644 (file)
@@ -215,6 +215,18 @@ InventoryItem * ItemSAO::createInventoryItem()
        }
 }
 
+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;
+}
 
 /*
        RatSAO
@@ -232,7 +244,7 @@ RatSAO::RatSAO(ServerEnvironment *env, u16 id, v3f pos):
 
        m_oldpos = v3f(0,0,0);
        m_last_sent_position = v3f(0,0,0);
-       m_yaw = 0;
+       m_yaw = myrand_range(0,PI*2);
        m_counter1 = 0;
        m_counter2 = 0;
        m_age = 0;
@@ -693,4 +705,179 @@ 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;
+}