player_names=this.player_datas[0].name+(this.player_datas[2]?"+"+this.player_datas[2].name:"")+" VS "+(this.player_datas[1]?this.player_datas[1].name:"AI")+(this.player_datas[3]?"+"+this.player_datas[3].name:"");
player_names=this.player_datas[0].name+(this.player_datas[2]?"+"+this.player_datas[2].name:"")+" VS "+(this.player_datas[1]?this.player_datas[1].name:"AI")+(this.player_datas[3]?"+"+this.player_datas[3].name:"");