Method GetBatches

trinity/Interior/Tr2IntSkinnedObject.cpp:184–302

extern int g_maxClothLod;

void Tr2IntSkinnedObject::GetBatches( ITriRenderBatchAccumulator* batches,
									  TriBatchType batchType,
									  const Tr2PerObjectData* perObjectData,
									  Tr2RenderReason reason )
{
	if( !DoDisplay() )
	{
		return;
	}
	unsigned int depth = 0xFFFFFFFF;
	if( batchType == TRIBATCHTYPE_TRANSPARENT )
	{
		float maxDepth = Tr2Renderer::GetFrustumRadius();
		Matrix instanceTransform = m_transform;

		// Compute the depth
		Vector3 bbMin, bbMax;
		GetLocalBoundingBox( bbMin, bbMax );
		Vector3 center = TransformCoord( 0.5f * ( bbMin + bbMax ), instanceTransform );
		center -= Tr2Renderer::GetViewPosition();
		float z = std::min( std::max( ( Length( center ) + m_depthOffset ) / maxDepth, 0.f ), 1.f );

		depth = (unsigned int)( (float)0xFFFFFFF * ( 1.0f - z ) );
	}
	Matrix* pm = batches->Allocate<Matrix>();

	CCP_ASSERT_M( pm, "No memory available for allocation of batches." );
	if( pm == NULL )
	{
		return;
	}
	*pm = GetSkinningTransform();

	const Tr2PerObjectDataSkinned* skinnedData = static_cast<const Tr2PerObjectDataSkinned*>( perObjectData );

	for( auto mesh : m_visualModel->GetMeshes() )
	{
		if( !mesh || !mesh->GetDisplay() )
		{
			continue;
		}
		Tr2MeshAreaVector* areas = mesh->GetAreas( batchType );
		if( !areas )
		{
			continue;
		}

		TriGeometryRes* geomRes = mesh->GetGeometryResource();
		if( !geomRes || !geomRes->IsGood() )
		{
			continue;
		}

		int meshIx = mesh->GetMeshIndex();
		if( meshIx < 0 || meshIx >= int( geomRes->GetMeshCount() ) )
		{
			continue;
		}