function ModelSettingJson()
{    
    this.NAME = "name";
    this.ID = "id";
    this.MODEL = "model";
    this.TEXTURES = "textures";
    this.HIT_AREAS = "hit_areas";
    this.PHYSICS = "physics";
    this.POSE = "pose";
    this.EXPRESSIONS = "expressions";
    this.MOTION_GROUPS = "motions";
    this.SOUND = "sound";
    this.FADE_IN = "fade_in";
    this.FADE_OUT = "fade_out";
    this.LAYOUT = "layout";
    this.INIT_PARAM = "init_param";
    this.INIT_PARTS_VISIBLE = "init_parts_visible";
    this.VALUE = "val";
    this.FILE = "file";

    this.json = {};
}


ModelSettingJson.prototype.loadModelSetting = function(path, callback)
{    
    var thisRef = this;
    var pm = Live2DFramework.getPlatformManager();
    pm.loadBytes(path, function(buf) {
        var str = String.fromCharCode.apply(null,new Uint8Array(buf));
        thisRef.json = JSON.parse(str);
        callback();
    });
};


ModelSettingJson.prototype.getTextureFile = function(n)
{    
    if (this.json[this.TEXTURES] == null || this.json[this.TEXTURES][n] == null)
        return null;
    
    return this.json[this.TEXTURES][n];
}


ModelSettingJson.prototype.getModelFile = function()
{        
    return this.json[this.MODEL];
};


ModelSettingJson.prototype.getTextureNum = function()
{    
    if (this.json[this.TEXTURES] == null) return 0;
    
    return this.json[this.TEXTURES].length;
}


ModelSettingJson.prototype.getHitAreaNum = function()
{
    if (this.json[this.HIT_AREAS] == null)
        return 0;

    return this.json[this.HIT_AREAS].length;
}


ModelSettingJson.prototype.getHitAreaID = function(n)
{
    if (this.json[this.HIT_AREAS] == null || 
        this.json[this.HIT_AREAS][n] == null)
        return null;

    return this.json[this.HIT_AREAS][n][this.ID];
}


ModelSettingJson.prototype.getHitAreaName = function(n)
{
    if (this.json[this.HIT_AREAS] == null || 
        this.json[this.HIT_AREAS][n] == null)
        return null;

    return this.json[this.HIT_AREAS][n][this.NAME];
}


ModelSettingJson.prototype.getPhysicsFile = function()
{
    return this.json[this.PHYSICS];
}


ModelSettingJson.prototype.getPoseFile = function()
{
    return this.json[this.POSE];
}


ModelSettingJson.prototype.getExpressionNum = function()
{
    return (this.json[this.EXPRESSIONS] == null) ? 0 : this.json[this.EXPRESSIONS].length;
}


ModelSettingJson.prototype.getExpressionFile = function(n)
{
    if (this.json[this.EXPRESSIONS] == null)
        return null;
    return this.json[this.EXPRESSIONS][n][this.FILE];
}


ModelSettingJson.prototype.getExpressionName = function(n)
{
    if (this.json[this.EXPRESSIONS] == null)
        return null;
    return this.json[this.EXPRESSIONS][n][this.NAME];
}


ModelSettingJson.prototype.getLayout = function()
{
    return this.json[this.LAYOUT];
}


ModelSettingJson.prototype.getInitParamNum = function()
{
    return (this.json[this.INIT_PARAM] == null) ? 0 : this.json[this.INIT_PARAM].length;
}


ModelSettingJson.prototype.getMotionNum = function(name)
{
    if (this.json[this.MOTION_GROUPS] == null || 
        this.json[this.MOTION_GROUPS][name] == null)
        return 0;
    
    return this.json[this.MOTION_GROUPS][name].length;
}


ModelSettingJson.prototype.getMotionFile = function(name, n)
{
    if (this.json[this.MOTION_GROUPS] == null || 
        this.json[this.MOTION_GROUPS][name] == null || 
        this.json[this.MOTION_GROUPS][name][n] == null)
        return null;

    return this.json[this.MOTION_GROUPS][name][n][this.FILE];
}


ModelSettingJson.prototype.getMotionSound = function(name, n)
{
    if (this.json[this.MOTION_GROUPS] == null || 
        this.json[this.MOTION_GROUPS][name] == null || 
        this.json[this.MOTION_GROUPS][name][n] == null || 
        this.json[this.MOTION_GROUPS][name][n][this.SOUND] == null)
        return null;

    return this.json[this.MOTION_GROUPS][name][n][this.SOUND];
}


ModelSettingJson.prototype.getMotionFadeIn = function(name, n)
{
    if (this.json[this.MOTION_GROUPS] == null || 
        this.json[this.MOTION_GROUPS][name] == null || 
        this.json[this.MOTION_GROUPS][name][n] == null || 
        this.json[this.MOTION_GROUPS][name][n][this.FADE_IN] == null)
        return 1000;

    return this.json[this.MOTION_GROUPS][name][n][this.FADE_IN];
}


ModelSettingJson.prototype.getMotionFadeOut = function(name, n)
{
    if (this.json[this.MOTION_GROUPS] == null || 
        this.json[this.MOTION_GROUPS][name] == null || 
        this.json[this.MOTION_GROUPS][name][n] == null || 
        this.json[this.MOTION_GROUPS][name][n][this.FADE_OUT] == null)
        return 1000;
    
    return this.json[this.MOTION_GROUPS][name][n][this.FADE_OUT];
}


ModelSettingJson.prototype.getInitParamID = function(n)
{
    if (this.json[this.INIT_PARAM] == null || 
        this.json[this.INIT_PARAM][n] == null)
        return null;
    
    return this.json[this.INIT_PARAM][n][this.ID];
}


ModelSettingJson.prototype.getInitParamValue = function(n)
{
    if (this.json[this.INIT_PARAM] == null || this.json[this.INIT_PARAM][n] == null)
        return NaN;
    
    return this.json[this.INIT_PARAM][n][this.VALUE];
}


ModelSettingJson.prototype.getInitPartsVisibleNum = function()
{
    return (this.json[this.INIT_PARTS_VISIBLE] == null) ? 0 : this.json[this.INIT_PARTS_VISIBLE].length;
}


ModelSettingJson.prototype.getInitPartsVisibleID = function(n)
{
    if (this.json[this.INIT_PARTS_VISIBLE] == null || this.json[this.INIT_PARTS_VISIBLE][n] == null)
        return null;
    return this.json[this.INIT_PARTS_VISIBLE][n][this.ID];
}


ModelSettingJson.prototype.getInitPartsVisibleValue = function(n)
{
    if (this.json[this.INIT_PARTS_VISIBLE] == null || this.json[this.INIT_PARTS_VISIBLE][n] == null)
        return NaN;
    
    return this.json[this.INIT_PARTS_VISIBLE][n][this.VALUE];
}