ShadowEditor/editor/js/commands/SetMaterialMapCommand.js
2018-06-07 19:50:07 +08:00

126 lines
2.7 KiB
JavaScript

/**
* @author dforrer / https://github.com/dforrer
* Developed as part of a project at University of Applied Sciences and Arts Northwestern Switzerland (www.fhnw.ch)
*/
/**
* @param object THREE.Object3D
* @param mapName string
* @param newMap THREE.Texture
* @constructor
*/
var SetMaterialMapCommand = function ( object, mapName, newMap ) {
Command.call( this );
this.type = 'SetMaterialMapCommand';
this.name = 'Set Material.' + mapName;
this.object = object;
this.mapName = mapName;
this.oldMap = ( object !== undefined ) ? object.material[ mapName ] : undefined;
this.newMap = newMap;
};
SetMaterialMapCommand.prototype = {
execute: function () {
this.object.material[ this.mapName ] = this.newMap;
this.object.material.needsUpdate = true;
this.editor.signals.materialChanged.dispatch( this.object.material );
},
undo: function () {
this.object.material[ this.mapName ] = this.oldMap;
this.object.material.needsUpdate = true;
this.editor.signals.materialChanged.dispatch( this.object.material );
},
toJSON: function () {
var output = Command.prototype.toJSON.call( this );
output.objectUuid = this.object.uuid;
output.mapName = this.mapName;
output.newMap = serializeMap( this.newMap );
output.oldMap = serializeMap( this.oldMap );
return output;
// serializes a map (THREE.Texture)
function serializeMap ( map ) {
if ( map === null || map === undefined ) return null;
var meta = {
geometries: {},
materials: {},
textures: {},
images: {}
};
var json = map.toJSON( meta );
var images = extractFromCache( meta.images );
if ( images.length > 0 ) json.images = images;
json.sourceFile = map.sourceFile;
return json;
}
// Note: The function 'extractFromCache' is copied from Object3D.toJSON()
// extract data from the cache hash
// remove metadata on each item
// and return as array
function extractFromCache ( cache ) {
var values = [];
for ( var key in cache ) {
var data = cache[ key ];
delete data.metadata;
values.push( data );
}
return values;
}
},
fromJSON: function ( json ) {
Command.prototype.fromJSON.call( this, json );
this.object = this.editor.objectByUuid( json.objectUuid );
this.mapName = json.mapName;
this.oldMap = parseTexture( json.oldMap );
this.newMap = parseTexture( json.newMap );
function parseTexture ( json ) {
var map = null;
if ( json !== null ) {
var loader = new THREE.ObjectLoader();
var images = loader.parseImages( json.images );
var textures = loader.parseTextures( [ json ], images );
map = textures[ json.uuid ];
map.sourceFile = json.sourceFile;
}
return map;
}
}
};