/******************************************************************/
/* This file is part of the homework assignments for CSCI-427/527 */
/* at The College of William & Mary and authored by Pieter Peers. */
/* No part of this file, whether altered or in original form, can */
/* be distributed or used outside the context of CSCI-427/527     */
/* without consent of either the College of William & Mary or     */
/* Pieter Peers.                                                  */
/******************************************************************/
#include <algorithm>
#include "triangleMesh.h"

/////////////////
// Constructors //
//////////////////
triangleMesh::triangleMesh(void)
  : boundedCompound()
{
  // Nothing.
}


triangleMesh::triangleMesh(const std::vector<triangle>& triangle_list, const std::shared_ptr<const shader_base>& shader, const transformation3d& transform)
  : boundedCompound(transform, shader)
{
  // allocate sufficient memory
  _triangles.reserve(triangle_list.size());

  // construct vector of boundedTriangles 
  for_each(triangle_list.begin(), triangle_list.end(), [&](const triangle& tri)
  {
    _triangles.push_back( std::make_shared<boundedTriangle>(tri, shader) );
  });

  // Done.
  initializeBoundingBox();
}


/////////////
// Methods //
/////////////
const std::vector<std::shared_ptr<const boundedPrimitive>>& triangleMesh::compounds(void) const
{
  return _triangles;
}


bool triangleMesh::hasShader(void) const
{
  return boundedPrimitive::hasShader();
}


void triangleMesh::_print(std::ostream& s) const
{
  s << "triangleMesh (" << _bb << ", " << _triangles.size() << " compounds)";
}