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 "ICmpWaterManager.h"
      22             : 
      23             : #include "graphics/RenderableObject.h"
      24             : #include "graphics/Terrain.h"
      25             : #include "renderer/Renderer.h"
      26             : #include "renderer/SceneRenderer.h"
      27             : #include "renderer/WaterManager.h"
      28             : #include "simulation2/MessageTypes.h"
      29             : #include "tools/atlas/GameInterface/GameLoop.h"
      30             : 
      31           9 : class CCmpWaterManager final : public ICmpWaterManager
      32             : {
      33             : public:
      34         116 :     static void ClassInit(CComponentManager& componentManager)
      35             :     {
      36             :         // No need to subscribe to WaterChanged since we're actually the one sending those.
      37         116 :         componentManager.SubscribeToMessageType(MT_Interpolate);
      38         116 :         componentManager.SubscribeToMessageType(MT_TerrainChanged);
      39         116 :     }
      40             : 
      41           6 :     DEFAULT_COMPONENT_ALLOCATOR(WaterManager)
      42             : 
      43             :     // Dynamic state:
      44             : 
      45             :     entity_pos_t m_WaterHeight;
      46             : 
      47         116 :     static std::string GetSchema()
      48             :     {
      49         116 :         return "<a:component type='system'/><empty/>";
      50             :     }
      51             : 
      52           3 :     void Init(const CParamNode& UNUSED(paramNode)) override
      53             :     {
      54           3 :     }
      55             : 
      56           3 :     void Deinit() override
      57             :     {
      58             :         // Clear the map size & data.
      59           3 :         if (CRenderer::IsInitialised())
      60           0 :             g_Renderer.GetSceneRenderer().GetWaterManager().SetMapSize(0);
      61           3 :     }
      62             : 
      63           0 :     void Serialize(ISerializer& serialize) override
      64             :     {
      65           0 :         serialize.NumberFixed_Unbounded("height", m_WaterHeight);
      66           0 :     }
      67             : 
      68           0 :     void Deserialize(const CParamNode& paramNode, IDeserializer& deserialize) override
      69             :     {
      70           0 :         Init(paramNode);
      71             : 
      72           0 :         deserialize.NumberFixed_Unbounded("height", m_WaterHeight);
      73             : 
      74           0 :         if (CRenderer::IsInitialised())
      75           0 :             g_Renderer.GetSceneRenderer().GetWaterManager().SetMapSize(GetSimContext().GetTerrain().GetVerticesPerSide());
      76             : 
      77           0 :         RecomputeWaterData();
      78           0 :     }
      79             : 
      80           0 :     void HandleMessage(const CMessage& msg, bool UNUSED(global)) override
      81             :     {
      82           0 :         switch (msg.GetType())
      83             :         {
      84           0 :             case MT_Interpolate:
      85             :             {
      86           0 :                 const CMessageInterpolate& msgData = static_cast<const CMessageInterpolate&> (msg);
      87           0 :                 if (CRenderer::IsInitialised())
      88           0 :                     g_Renderer.GetSceneRenderer().GetWaterManager().m_WaterTexTimer += msgData.deltaSimTime;
      89           0 :                 break;
      90             :             }
      91           0 :             case MT_TerrainChanged:
      92             :             {
      93             :                 // Tell the renderer to redraw part of the map.
      94           0 :                 if (CRenderer::IsInitialised())
      95             :                 {
      96           0 :                     const CMessageTerrainChanged& msgData = static_cast<const CMessageTerrainChanged&> (msg);
      97           0 :                     GetSimContext().GetTerrain().MakeDirty(msgData.i0,msgData.j0,msgData.i1,msgData.j1,RENDERDATA_UPDATE_VERTICES);
      98             :                 }
      99           0 :                 break;
     100             :             }
     101             :         }
     102           0 :     }
     103             : 
     104           0 :     void RecomputeWaterData() override
     105             :     {
     106           0 :         if (CRenderer::IsInitialised())
     107             :         {
     108           0 :             g_Renderer.GetSceneRenderer().GetWaterManager().RecomputeWaterData();
     109           0 :             g_Renderer.GetSceneRenderer().GetWaterManager().m_WaterHeight = m_WaterHeight.ToFloat();
     110             :         }
     111             : 
     112             :         // Tell the terrain it'll need to recompute its cached render data
     113           0 :         GetSimContext().GetTerrain().MakeDirty(RENDERDATA_UPDATE_VERTICES);
     114           0 :     }
     115             : 
     116           0 :     void SetWaterLevel(entity_pos_t h) override
     117             :     {
     118           0 :         if (m_WaterHeight == h)
     119           0 :             return;
     120             : 
     121           0 :         m_WaterHeight = h;
     122             : 
     123           0 :         RecomputeWaterData();
     124             : 
     125           0 :         CMessageWaterChanged msg;
     126           0 :         GetSimContext().GetComponentManager().BroadcastMessage(msg);
     127             :     }
     128             : 
     129           0 :     entity_pos_t GetWaterLevel(entity_pos_t UNUSED(x), entity_pos_t UNUSED(z)) const override
     130             :     {
     131           0 :         return m_WaterHeight;
     132             :     }
     133             : 
     134           0 :     float GetExactWaterLevel(float UNUSED(x), float UNUSED(z)) const override
     135             :     {
     136           0 :         return m_WaterHeight.ToFloat();
     137             :     }
     138             : };
     139             : 
     140         119 : REGISTER_COMPONENT_TYPE(WaterManager)