Line data    Source code

       1             : /* Copyright (C) 2022 Wildfire Games.
       2             :  * This file is part of 0 A.D.
       3             :  *
       4             :  * 0 A.D. is free software: you can redistribute it and/or modify
       5             :  * it under the terms of the GNU General Public License as published by
       6             :  * the Free Software Foundation, either version 2 of the License, or
       7             :  * (at your option) any later version.
       8             :  *
       9             :  * 0 A.D. is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :  * GNU General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU General Public License
      15             :  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #include "precompiled.h"
      19             : 
      20             : #include "simulation2/system/Component.h"
      21             : #include "ICmpOwnership.h"
      22             : 
      23             : #include "simulation2/MessageTypes.h"
      24             : 
      25             : /**
      26             :  * Basic ICmpOwnership implementation.
      27             :  */
      28           0 : class CCmpOwnership final : public ICmpOwnership
      29             : {
      30             : public:
      31         116 :     static void ClassInit(CComponentManager& componentManager)
      32             :     {
      33         116 :         componentManager.SubscribeToMessageType(MT_Destroy);
      34         116 :     }
      35             : 
      36           0 :     DEFAULT_COMPONENT_ALLOCATOR(Ownership)
      37             : 
      38             :     player_id_t m_Owner;
      39             : 
      40         116 :     static std::string GetSchema()
      41             :     {
      42             :         return
      43             :             "<a:example/>"
      44             :             "<a:help>Allows this entity to be owned by players.</a:help>"
      45         116 :             "<empty/>";
      46             :     }
      47             : 
      48           0 :     void Init(const CParamNode& UNUSED(paramNode)) override
      49             :     {
      50           0 :         m_Owner = INVALID_PLAYER;
      51           0 :     }
      52             : 
      53           0 :     void Deinit() override
      54             :     {
      55           0 :     }
      56             : 
      57           0 :     void Serialize(ISerializer& serialize) override
      58             :     {
      59           0 :         serialize.NumberI32_Unbounded("owner", m_Owner);
      60           0 :     }
      61             : 
      62           0 :     void Deserialize(const CParamNode& UNUSED(paramNode), IDeserializer& deserialize) override
      63             :     {
      64           0 :         deserialize.NumberI32_Unbounded("owner", m_Owner);
      65           0 :     }
      66             : 
      67           0 :     void HandleMessage(const CMessage& msg, bool UNUSED(global)) override
      68             :     {
      69           0 :         switch (msg.GetType())
      70             :         {
      71           0 :         case MT_Destroy:
      72             :         {
      73             :             // Reset the owner so this entity is e.g. removed from population counts
      74           0 :             SetOwner(INVALID_PLAYER);
      75           0 :             break;
      76             :         }
      77             :         }
      78           0 :     }
      79             : 
      80           0 :     player_id_t GetOwner() const override
      81             :     {
      82           0 :         return m_Owner;
      83             :     }
      84             : 
      85           0 :     void SetOwner(player_id_t playerID) override
      86             :     {
      87           0 :         if (playerID == m_Owner)
      88           0 :             return;
      89             : 
      90           0 :         player_id_t old = m_Owner;
      91           0 :         m_Owner = playerID;
      92             : 
      93           0 :         CMessageOwnershipChanged msg(GetEntityId(), old, playerID);
      94           0 :         GetSimContext().GetComponentManager().PostMessage(GetEntityId(), msg);
      95             :     }
      96             : 
      97           0 :     void SetOwnerQuiet(player_id_t playerID) override
      98             :     {
      99           0 :         if (playerID != m_Owner)
     100           0 :             m_Owner = playerID;
     101           0 :     }
     102             : };
     103             : 
     104         119 : REGISTER_COMPONENT_TYPE(Ownership)