Conversion to JSON based file IO for canvas2D and WebGL rendering

1 files changed, 181 insertions, 4 deletions

diff --git a/js/lib/rdge/materials/uber-material.js b/js/lib/rdge/materials/uber-material.js
index 91f43754..0868e3e9 100755
--- a/js/lib/rdge/materials/uber-material.js
+++ b/js/lib/rdge/materials/uber-material.js
@@ -483,6 +483,187 @@ var UberMaterial = function UberMaterial() {
                 this.rebuildShader();
         }
 
+        this.importJSON = function( jObj )
+        {
+        if (this.getShaderName() != jObj.material)  throw new Error( "ill-formed material" );
+        this.setName(  jObj.name );
+
+                if (jObj.materialProps)
+                {
+                        var ambientColor  = jObj.materialProps.ambientColor;     this.setProperty( "ambientColor", ambientColor );
+                        var diffuseColor  = jObj.materialProps.diffuseColor;     this.setProperty( "diffuseColor", diffuseColor );
+                        var specularColor = jObj.materialProps.specularColor;    this.setProperty( "specularColor", specularColor );
+                        var specularPower = jObj.materialProps.specularPower;    this.setProperty( "specularPower", specularPower );
+                }
+
+                var lightArray = jObj.lights;
+                if (lightArray)
+                {
+                        this._lights = [];
+                        for (var i=0;  i<this._MAX_LIGHTS;  i++)
+                        {
+                                var lightObj = lightArray[i];
+                                if (lightObj)
+                                {
+                                        var type = lightObj['light'+i];
+                                        if (type)
+                                        {
+                                                var light = new Object;
+                                                switch (type)
+                                                {
+                                                        case "directional":
+                                                                light.direction = lightObj['light' + i + 'Dir'];
+                                                                break;
+
+                                                        case "spot":
+                                                                light.position = lightObj['light' + i + 'Pos'];
+                                                                light['spotInnerCutoff'] = lightObj['light' + i + 'OuterSpotCutoff'];
+                                                                light['spotOuterCutoff'] = lightObj['light' + i + 'InnerSpotCutoff'];
+                                                                break;
+
+                                                        case "point":
+                                                                light.position = lightObj['light' + i + 'Pos'];
+                                                                light.attenuation = lightObj['light' + i + 'Attenuation'];
+                                                                break;
+
+                                                        default:
+                                                                throw new Error( "unrecognized light type on import: " + type );
+                                                                break;
+                                                }
+
+                                                // common to all lights
+                                                light.diffuseColor  = lightObj['light' + i + 'Color'];
+                                                light.specularColor = lightObj['light' + i + 'SpecularColor'];
+
+                                                // push the light
+                                                this._lights.push( light );
+                                        }
+                                        else
+                                                this._lights[i] = 'undefined';
+                                }
+                        }
+
+                        if (this._lights.length > 0)
+                        {
+                                this._ubershaderCaps.lighting =
+                                {
+                                        'light0' : this._lights[0],
+                                        'light1' : this._lights[1],
+                                        'light2' : this._lights[2],        
+                                        'light3' : this._lights[3]                                     
+                                }
+                        }
+                }
+
+                var diffuseMap = jObj['diffuseMap'];
+                if(diffuseMap)
+                        this.setProperty( "diffuseMap", diffuseMap );
+
+                var normalMap = jObj['normalMap'];
+                if(normalMap)
+                        this.setProperty( "normalMap", normalMap );
+
+                var specularMap = jObj['specularMap'];
+                if(specularMap)
+                        this.setProperty( "specularMap", specularMap );
+
+                var environmentMap = jObj['environmentMap'];
+                if(environmentMap)
+                {
+                        this.setProperty( "environmentMap", environmentMap );
+                        this.setProperty( "environmentAmount", jObj['environmentAmount'] );
+                }
+
+                this.rebuildShader();
+        }
+
+        this.exportJSON = function()
+        {
+                // we will be needing the world.  Make sure it is there
+                var world = this.getWorld();
+                if (!world)
+                        throw new Error( "no world in material.export, " + this.getName() );
+
+                // every material needs the base type and instance name
+                var caps = this._ubershaderCaps;
+                var jObj =
+                {
+                        'material'              : this.getShaderName(),
+                        'name'                  : this.getName()
+                };
+
+                // export the material properties
+                if (typeof caps.material != 'undefined')
+                {
+                        jObj.materialProps =
+                        {
+                                        'ambientColor'  : this._ambientColor,
+                                        'diffuseColor'  : this._diffuseColor,
+                                        'specularColor' : this._specularColor,
+                                        'specularPower' : this._specularPower
+                        };
+                                                
+                }
+
+                if (typeof caps.lighting != 'undefined')
+                {
+                        var lightArray = [];
+                        for (var i=0;  i<this._MAX_LIGHTS;  i++)
+                        {
+                                var light = caps.lighting["light" + i];
+                                if( typeof light != "undefined")
+                                {
+                                        var lightObj = {}
+                                        lightObj['light'+i] = light.type;
+
+                                        // output the light secific data
+                                        if (light.type === 'directional')
+                                        {
+                                                lightObj['light' + i + 'Dir']   = light['direction'];
+                                        }
+                                        else if (light.type === 'spot')
+                                        {
+                                                lightObj['light' + i + 'Pos'] = light['position'];
+                                                lightObj['light' + i + 'SpotInnerCutoff'] = light['spotInnerCutoff'];
+                                                lightObj['light' + i + 'SpotOuterCutoff'] = light['spotOuterCutoff'];
+                                        }
+                                        else            // light.type === 'point'
+                                        {
+                                                lightObj['light' + i + 'Pos'] = (light['position'] || [ 0, 0, 0 ]);
+                                                lightObj['light' + i + 'Attenuation'] = (light['attenuation'] || [ 1, 0, 0 ]);
+                                        }
+
+                                        // common to all lights
+                                        lightObj['light' + i + 'Color'] = (light['diffuseColor'] || [ 1,1,1,1 ]);
+                                        lightObj['light' + i + 'SpecularColor'] = (light['specularColor'] || [ 1, 1, 1, 1 ]); 
+                                        
+                                        lightArray.push( lightObj );         
+                                }
+                        }
+
+                        if (lightArray.length > 0)
+                                jObj.lights = lightArray;
+                }
+
+                if(typeof caps.diffuseMap != 'undefined')
+                        jObj['diffuseMap'] = caps.diffuseMap.texture;
+
+                if(typeof caps.normalMap != 'undefined')
+                        jObj['normalMap'] = caps.normalMap.texture;
+
+                if(typeof caps.specularMap != 'undefined')
+                        jObj['specularMap'] = caps.specularMap.texture;
+
+                if(typeof caps.environmentMap != 'undefined')
+                {
+                        jObj['environmentMap'] = caps.environmentMap.texture;
+                        jObj['environmentAmount'] = caps.environmentMap.envReflection;
+                }
+
+                return jObj;
+        }
+
+
         this.export = function()
         {
                 // every material needs the base type and instance name
@@ -539,10 +720,6 @@ var UberMaterial = function UberMaterial() {
                         }
                 }
 
-//      this._diffuseMapOb = { 'texture' : 'assets/images/rocky-diffuse.jpg', 'wrap' : 'REPEAT' };
-//      this._normalMapOb = { 'texture' : 'assets/images/rocky-normal.jpg', 'wrap' : 'REPEAT' };
-//      this._specularMapOb = { 'texture' : 'assets/images/rocky-spec.jpg', 'wrap' : 'REPEAT' };
-//      this._environmentMapOb = { 'texture' : 'assets/images/silver.png', 'wrap' : 'CLAMP', 'envReflection' : this._environmentAmount };
                 var world = this.getWorld();
                 if (!world)
                         throw new Error( "no world in material.export, " + this.getName() );