source/renderer/DecalRData.h

   1 /* Copyright (C) 2023 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 #ifndef INCLUDED_DECALRDATA
  19 #define INCLUDED_DECALRDATA
  20
  21 #include "graphics/RenderableObject.h"
  22 #include "maths/Vector2D.h"
  23 #include "maths/Vector3D.h"
  24 #include "renderer/backend/IDeviceCommandContext.h"
  25 #include "renderer/backend/IShaderProgram.h"
  26 #include "renderer/VertexBufferManager.h"
  27
  28 #include <vector>
  29
  30 class CModelDecal;
  31 class CShaderDefines;
  32 class CSimulation2;
  33 class ShadowMap;
  34
  35 class CDecalRData : public CRenderData
  36 {
  37 public:
  38         CDecalRData(CModelDecal* decal, CSimulation2* simulation);
  39         ~CDecalRData();
  40
  41         static Renderer::Backend::IVertexInputLayout* GetVertexInputLayout();
  42
  43         void Update(CSimulation2* simulation);
  44
  45         static void RenderDecals(
  46                 Renderer::Backend::IDeviceCommandContext* deviceCommandContext,
  47                 Renderer::Backend::IVertexInputLayout* vertexInputLayout,
  48                 const std::vector<CDecalRData*>& decals, const CShaderDefines& context, ShadowMap* shadow);
  49
  50         CModelDecal* GetDecal() { return m_Decal; }
  51
  52 private:
  53         void BuildVertexData();
  54
  55         struct SDecalVertex
  56         {
  57                 CVector3D m_Position;
  58                 CVector3D m_Normal;
  59                 CVector2D m_UV;
  60         };
  61         cassert(sizeof(SDecalVertex) == 32);
  62
  63         CVertexBufferManager::Handle m_VBDecals;
  64         CVertexBufferManager::Handle m_VBDecalsIndices;
  65
  66         CModelDecal* m_Decal;
  67
  68         CSimulation2* m_Simulation;
  69 };
  70
  71 #endif // INCLUDED_DECALRDATA