MeshRendererUtils.h

#pragma once
 
#include <RendererCore/Meshes/MeshComponentBase.h>
 
#include <RendererCore/../../../Data/Base/Shaders/Common/ObjectConstants.h>
 
namespace plInternal
{
  PL_FORCE_INLINE void FillPerInstanceData(plPerInstanceData& ref_perInstanceData, const plMeshRenderData* pRenderData)
  {
    plMat4 objectToWorld = pRenderData->m_GlobalTransform.GetAsMat4();
 
    ref_perInstanceData.ObjectToWorld = objectToWorld;
 
#if PL_ENABLED(PL_GAMEOBJECT_VELOCITY)
    plMat4 lastObjectToWorld = pRenderData->m_LastGlobalTransform.GetAsMat4();
    ref_perInstanceData.LastObjectToWorld = lastObjectToWorld;
#endif
 
    if (pRenderData->m_uiUniformScale)
    {
      ref_perInstanceData.ObjectToWorldNormal = objectToWorld;
#if PL_ENABLED(PL_GAMEOBJECT_VELOCITY)
      ref_perInstanceData.LastObjectToWorldNormal = lastObjectToWorld;
#endif
    }
    else
    {
      plMat3 mInverse = objectToWorld.GetRotationalPart();
      mInverse.Invert(0.0f).IgnoreResult();
      // we explicitly ignore the return value here (success / failure)
      // because when we have a scale of 0 (which happens temporarily during editing) that would be annoying
 
      plShaderTransform shaderT;
      shaderT = mInverse.GetTranspose();
      ref_perInstanceData.ObjectToWorldNormal = shaderT;
 
#if PL_ENABLED(PL_GAMEOBJECT_VELOCITY)
      mInverse = lastObjectToWorld.GetRotationalPart();
      mInverse.Invert(0.0f).IgnoreResult();
      // we explicitly ignore the return value here (success / failure)
      // because when we have a scale of 0 (which happens temporarily during editing) that would be annoying
 
      shaderT = mInverse.GetTranspose();
      ref_perInstanceData.LastObjectToWorldNormal = shaderT;
#endif
    }
 
    ref_perInstanceData.BoundingSphereRadius = pRenderData->m_GlobalBounds.m_fSphereRadius;
    ref_perInstanceData.GameObjectID = pRenderData->m_uiUniqueID;
    ref_perInstanceData.VertexColorAccessData = 0;
    ref_perInstanceData.Color = pRenderData->m_Color;
  }
} // namespace plInternal