WorldGeoExtractionUtil.h

#pragma once
 
#include <Core/ResourceManager/ResourceHandle.h>
#include <Core/World/Declarations.h>
#include <Foundation/Communication/Message.h>
#include <Foundation/Containers/Deque.h>
#include <Foundation/Types/TagSet.h>
#include <RendererCore/RendererCoreDLL.h>
 
class plWorld;
using plCpuMeshResourceHandle = plTypedResourceHandle<class plCpuMeshResource>;
 
class PL_RENDERERCORE_DLL plWorldGeoExtractionUtil
{
public:
  struct MeshObject
  {
    plTransform m_GlobalTransform;
    plCpuMeshResourceHandle m_hMeshResource;
  };
 
  using MeshObjectList = plDeque<MeshObject>;
 
  enum class ExtractionMode
  {
    RenderMesh,        
    CollisionMesh,     
    NavMeshGeneration, 
  };
 
  static void ExtractWorldGeometry(MeshObjectList& ref_objects, const plWorld& world, ExtractionMode mode, plTagSet* pExcludeTags = nullptr);
 
  static void ExtractWorldGeometry(MeshObjectList& ref_objects, const plWorld& world, ExtractionMode mode, const plDeque<plGameObjectHandle>& selection);
 
  static void WriteWorldGeometryToOBJ(const char* szFile, const MeshObjectList& objects, const plMat3& mTransform);
};
 
struct PL_RENDERERCORE_DLL plMsgExtractGeometry : public plMessage
{
  PL_DECLARE_MESSAGE_TYPE(plMsgExtractGeometry, plMessage);
 
  plWorldGeoExtractionUtil::ExtractionMode m_Mode = plWorldGeoExtractionUtil::ExtractionMode::RenderMesh;
 
  plWorldGeoExtractionUtil::MeshObjectList* m_pMeshObjects = nullptr;
 
  void AddMeshObject(const plTransform& transform, plCpuMeshResourceHandle hMeshResource);
  void AddBox(const plTransform& transform, plVec3 vExtents);
};