Method RenderPicking

trinity/Tr2PrimitiveScene.cpp:208–250

}

bool Tr2PrimitiveScene::RenderPicking(
	ITriRenderBatchAccumulator* pOpaquePickingBatches,
	ITriRenderBatchAccumulator* pPickingBatches,
	PickComponents pass )
{
	USE_MAIN_THREAD_RENDER_CONTEXT();
	renderContext.m_esm.SetInvertedDepthTest( true );
	ON_BLOCK_EXIT( [&] { renderContext.m_esm.SetInvertedDepthTest( false ); } );

	// Use a shader variable for identifying which components are expected.
	// We can't use situations here because the flags might change during a single
	// frame.
	Vector4 componentsParam = Vector4(
		( pass & PICK_OBJECT ) ? 1.0f : 0.0f,
		( pass & PICK_AREA ) ? 1.0f : 0.0f,
		( pass & PICK_POSITION ) ? 1.0f : 0.0f,
		( pass & PICK_UV ) ? 1.0f : 0.0f );

	GlobalStore().RegisterVariable( "PickingComponents", componentsParam );

	// Get the pick buffer
	Tr2PickBuffer& pickBuffer = GetPickBuffer();

	if( !pickBuffer.BeginRendering( 0, renderContext ) )
	{
		return false;
	}

	if( pPickingBatches && RenderPickingAreasForComponents( pass ) )
	{
		pPickingBatches->Finalize();

		renderContext.m_esm.ApplyStandardStates( Tr2EffectStateManager::RM_PICKING );
		renderContext.RenderBatchesForPicking( pPickingBatches, DEFAULT_TECHNIQUE );
	}

	if( !pickBuffer.EndRendering( renderContext ) )
	{
		return false;
	}

	return true;
}

const std::vector<ITr2Renderable*>& Tr2PrimitiveScene::GetPickingObjectsToRender( const Vector3& dirWorld )
{