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/******************************************************************/
/* 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 <cassert>
#include "errorMessage.h"
#include "random_number.h"
#include "sceneIO_core.h"
#include "sceneIO_basis.h"
#include "sceneIO_light.h"
#include "sceneIO_material.h"
#include "sceneIO_geometry.h"
#include "directionalLightsource.h"
static std::shared_ptr<const lightsource_base> importDirectionalLight(const XMLNode& node)
{
// get properties
vec3d direction = getVec3d(node, "direction", vec3d(0.0f, 0.0f, 1.0f));
color power = getColor(node, "power", color(1.0f, 1.0f, 1.0f));
// Done.
return std::shared_ptr<const lightsource_base>( new directionalLightsource( direction, power));
}
std::shared_ptr<const lightsource_base> importLight(const XMLNode& node, nodeCache<boundedPrimitive>& shape_cache, nodeCache<shader_base>& shader_cache, nodeCache<texture_base>& texture_cache, const std::string& rootDir)
{
// sanity check
assert(node.name() == "light");
// get light source type
std::string type = getString(node, "type", "directional");
// create light source
std::shared_ptr<const lightsource_base> ls;
if(type == "directional") ls = importDirectionalLight(node);
else errorMessage("Unknown light source type (%s)", type.c_str());
// Done.
return ls;
}
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