/*
* Copyright 2015-2017 WorldWind Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @exports ColladaMaterial
*/
define(['./ColladaUtils'], function (ColladaUtils) {
"use strict";
/**
* Constructs a ColladaMaterial
* @alias ColladaMaterial
* @constructor
* @classdesc Represents a collada material and it's effects.
* @param {String} materialId The id of a material node
*/
var ColladaMaterial = function (materialId) {
this.id = materialId;
this.newParams = [];
};
/**
* Parses an effect node.
* Internal. Applications should not call this function.
* @param {Node} element An effect node.
*/
ColladaMaterial.prototype.parse = function (element) {
for (var i = 0; i < element.childNodes.length; i++) {
var child = element.childNodes[i];
if (child.nodeType !== 1) {
continue;
}
switch (child.nodeName) {
case 'profile_COMMON':
this.parseProfileCommon(child);
break;
default:
break;
}
}
return this;
};
/**
* Parses the profile_COMMON node.
* Internal. Applications should not call this function.
* @param {Node} element The profile_COMMON node.
*/
ColladaMaterial.prototype.parseProfileCommon = function (element) {
for (var i = 0; i < element.childNodes.length; i++) {
var child = element.childNodes[i];
if (child.nodeType !== 1) {
continue;
}
switch (child.nodeName) {
case 'newparam':
this.parseNewparam(child);
break;
case 'image':
break;
case 'technique':
this.parseTechnique(child);
break;
default:
break;
}
}
};
/**
* Parses the newparam node.
* Internal. Applications should not call this function.
* @param {Node} element The newparam node.
*/
ColladaMaterial.prototype.parseNewparam = function (element) {
var sid = element.getAttribute('sid');
for (var i = 0; i < element.childNodes.length; i++) {
var child = element.childNodes[i];
if (child.nodeType !== 1) {
continue;
}
switch (child.nodeName) {
case 'surface':
var initFrom = child.querySelector("init_from");
if (initFrom) {
this.newParams.push({
sid: sid,
type: 'surface',
initFrom: initFrom.textContent
});
}
break;
case 'sampler2D':
var source = child.querySelector("source");
this.newParams.push({
sid: sid,
type: 'sampler2D',
source: source.textContent
});
break;
case 'extra':
break;
default:
break;
}
}
};
/**
* Parses the technique node.
* Internal. Applications should not call this function.
* @param {Node} element The technique node.
*/
ColladaMaterial.prototype.parseTechnique = function (element) {
for (var i = 0; i < element.childNodes.length; i++) {
var child = element.childNodes[i];
if (child.nodeType !== 1) {
continue;
}
switch (child.nodeName) {
case 'constant':
case 'lambert':
case 'blinn':
case 'phong':
this.techniqueType = child.nodeName;
this.parseTechniqueType(child);
break;
case 'extra':
break;
default:
break;
}
}
};
/**
* Parses the technique type for this effect.
* Internal. Applications should not call this function.
* @param {Node} element The technique type node.
*/
ColladaMaterial.prototype.parseTechniqueType = function (element) {
for (var i = 0; i < element.childNodes.length; i++) {
var child = element.childNodes[i];
if (child.nodeType !== 1 || !child.nodeName) {
continue;
}
var nodeName = child.nodeName;
var nodeValue = ColladaUtils.getFirstChildElement(child);
if (!nodeValue) {
continue;
}
switch (nodeValue.nodeName) {
case 'color':
this[nodeName] = ColladaUtils.bufferDataFloat32(nodeValue).subarray(0, 4);
break;
case 'float':
this[nodeName] = ColladaUtils.bufferDataFloat32(nodeValue)[0];
break;
case 'texture':
var texture = nodeValue.getAttribute("texture");
var pos = this.newParams.map(function (newParam) {
return newParam.sid;
}).indexOf(texture);
var source = this.newParams[pos].source;
pos = this.newParams.map(function (newParam) {
return newParam.sid;
}).indexOf(source);
var initFrom = this.newParams[pos].initFrom;
if (!this.textures) {
this.textures = {};
}
this.textures[nodeName] = {mapId: initFrom};
break;
default:
break;
}
}
};
return ColladaMaterial;
});