/* <copyright> This file contains proprietary software owned by Motorola Mobility, Inc.<br/> No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/> (c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved. </copyright> */ var MaterialParser = require("js/lib/rdge/materials/material-parser").MaterialParser; var Material = require("js/lib/rdge/materials/material").Material; /////////////////////////////////////////////////////////////////////// // Class GLMaterial // RDGE representation of a material. /////////////////////////////////////////////////////////////////////// var CloudMaterial = function CloudMaterial() { /////////////////////////////////////////////////////////////////////// // Instance variables /////////////////////////////////////////////////////////////////////// this._name = "CloudMaterial"; this._shaderName = "cloud"; this._texMap = 'assets/images/cloud2.jpg'; this._diffuseColor = [0.5, 0.5, 0.5, 0.5]; this._time = 0.0; this._dTime = 0.01; /////////////////////////////////////////////////////////////////////// // Property Accessors /////////////////////////////////////////////////////////////////////// this.getName = function() { return this._name; }; this.getShaderName = function() { return this._shaderName; }; this.getTextureMap = function() { return this._propValues[this._propNames[0]] ? this._propValues[this._propNames[0]].slice() : null }; this.setTextureMap = function(m) { this._propValues[this._propNames[0]] = m ? m.slice(0) : null; this.updateTexture(); }; this.setDiffuseColor = function(c) { this._propValues[this._propNames[1]] = c.slice(0); this.updateColor(); }; this.getDiffuseColor = function() { return this._propValues[this._propNames[1]] ? this._propValues[this._propNames[1]].slice() : null; }; this.isAnimated = function() { return true; }; /////////////////////////////////////////////////////////////////////// // Material Property Accessors /////////////////////////////////////////////////////////////////////// this._propNames = ["texmap", "diffusecolor"]; this._propLabels = ["Texture map", "Diffuse Color"]; this._propTypes = ["file", "color"]; this._propValues = []; this._propValues[ this._propNames[0] ] = this._texMap.slice(0); this._propValues[ this._propNames[1] ] = this._diffuseColor.slice(); this.setProperty = function( prop, value ) { if (prop === 'color') prop = 'diffusecolor'; // make sure we have legitimate imput var ok = this.validateProperty( prop, value ); if (!ok) { console.log( "invalid property in Radial Gradient Material:" + prop + " : " + value ); } switch (prop) { case "texmap": this.setTextureMap(value); break; case "diffusecolor": this.setDiffuseColor( value ); break; case "color": break; } }; /////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////// // Methods /////////////////////////////////////////////////////////////////////// // duplcate method requirde this.dup = function( world ) { // save the world if (world) this.setWorld( world ); // allocate a new uber material var newMat = new CloudMaterial(); // copy over the current values; var propNames = [], propValues = [], propTypes = [], propLabels = []; this.getAllProperties( propNames, propValues, propTypes, propLabels); var n = propNames.length; for (var i=0; i<n; i++) { newMat.setProperty( propNames[i], propValues[i] ); } return newMat; }; this.init = function( world ) { // save the world if (world) this.setWorld( world ); // this variable declared above is inherited set to a smaller delta. // the cloud material runs a little faster this._dTime = 0.01; // set up the shader this._shader = new jshader(); this._shader.def = cloudMaterialDef; this._shader.init(); // set up the material node this._materialNode = createMaterialNode("cloudMaterial" + "_" + world.generateUniqueNodeID()); this._materialNode.setShader(this._shader); this._time = 0; if (this._shader && this._shader['default']) { this._shader['default'].u_time.set( [this._time] ); this._shader['default'].u_DiffuseColor.set( this._diffuseColor ); } // set the shader values in the shader this.updateTexture(); this.update( 0 ); }; this.updateColor = function() { var material = this._materialNode; if (material) { var technique = material.shaderProgram['default']; var renderer = g_Engine.getContext().renderer; if (renderer && technique) { var color = this._propValues[this._propNames[1]]; technique.u_DiffuseColor.set( this._diffuseColor ); } } } this.updateTexture = function() { var material = this._materialNode; if (material) { var technique = material.shaderProgram['default']; var renderer = g_Engine.getContext().renderer; if (renderer && technique) { var texMapName = this._propValues[this._propNames[0]]; var wrap = 'REPEAT', mips = true; var tex = this.loadTexture( texMapName, wrap, mips ); if (tex) { technique.u_tex0.set( tex ); } } } }; this.update = function( time ) { var material = this._materialNode; if (material) { var technique = material.shaderProgram['default']; var renderer = g_Engine.getContext().renderer; if (renderer && technique) { if (this._shader && this._shader['default']) { this._shader['default'].u_time.set( [this._time] ); } this._time += this._dTime; if (this._time > 200.0) this._time = 0.0; } } }; // JSON export this.exportJSON = function() { var jObj = { 'material' : this.getShaderName(), 'name' : this.getName(), 'texture' : this._propValues[this._propNames[0]] }; return jObj; }; this.importJSON = function( jObj ) { if (this.getShaderName() != jObj.material) throw new Error( "ill-formed material" ); this.setName( jObj.name ); try { this._propValues[this._propNames[0]] = jObj.texture; } catch (e) { throw new Error( "could not import material: " + jObj ); } } this.export = function() { // every material needs the base type and instance name var exportStr = "material: " + this.getShaderName() + "\n"; exportStr += "name: " + this.getName() + "\n"; var world = this.getWorld(); if (!world) throw new Error( "no world in material.export, " + this.getName() ); var texMapName = this._propValues[this._propNames[0]]; exportStr += "texture: " +texMapName + "\n"; // every material needs to terminate like this exportStr += "endMaterial\n"; return exportStr; }; this.import = function( importStr ) { var pu = new MaterialParser( importStr ); var material = pu.nextValue( "material: " ); if (material != this.getShaderName()) throw new Error( "ill-formed material" ); this.setName( pu.nextValue( "name: ") ); var rtnStr; try { this._propValues[this._propNames[0]] = pu.nextValue( "texture: " ); var endKey = "endMaterial\n"; var index = importStr.indexOf( endKey ); index += endKey.length; rtnStr = importStr.substr( index ); } catch (e) { throw new Error( "could not import material: " + importStr ); } return rtnStr; } }; /////////////////////////////////////////////////////////////////////////////////////// // RDGE shader // shader spec (can also be loaded from a .JSON file, or constructed at runtime) var cloudMaterialDef = {'shaders': { 'defaultVShader':"assets/shaders/Cloud.vert.glsl", 'defaultFShader':"assets/shaders/Cloud.frag.glsl" }, 'techniques': { 'default': [ { 'vshader' : 'defaultVShader', 'fshader' : 'defaultFShader', // attributes 'attributes' : { 'vert' : { 'type' : 'vec3' }, 'normal' : { 'type' : 'vec3' }, 'texcoord' : { 'type' : 'vec2' } }, // parameters 'params' : { 'u_tex0': { 'type' : 'tex2d' }, 'u_time' : { 'type' : 'float' }, 'u_DiffuseColor' : { 'type' : 'vec4' } }, // render states 'states' : { 'depthEnable' : true, 'offset':[1.0, 0.1] } } ] } }; CloudMaterial.prototype = new Material(); if (typeof exports === "object") { exports.CloudMaterial = CloudMaterial; }