mapGrid

/*global state, sendChat, filterObjs, getObj, on, createObj, setTimeout, _, findObjs, playerIsGM, sendPing, toFront, toBack */
/*jslint white: true, bitwise: true, for: true, multivar: true, browser: true */
var mapGrid = mapGrid || (function(){
    'use strict';
 
    var version = 0.1,
    
    handleGraphicChange = function (obj) {
        var html = '',
            page=getObj('page',obj.get('pageid')),
            snapping_increment = ~~page.get('snapping_increment'),
            grid_type = page.get('grid_type'),
            diagonaltype = page.get('diagonaltype'),
            objlft = ~~obj.get('left'),
            objtp = ~~obj.get('top'),
            objwdth = ~~obj.get('width'),
            objhght = ~~obj.get('height'),
            objrttn = ~~obj.get('rotation')%360 + ((~~obj.get('rotation')) < 0 ? 360 : 0),
            unitWidth = (grid_type === 'square') ?  (70*snapping_increment) : (grid_type === 'hex') ? (75*snapping_increment) : (94*snapping_increment),
            unitHeight = (grid_type === 'square') ?  (70*snapping_increment) : (grid_type === 'hex') ? (88*snapping_increment) : (81*snapping_increment),
            gridLeft = (grid_type==='square')?~~(objlft/unitWidth) + 1:(grid_type==='hex')?~~(objlft/(unitWidth/2) + 0.5):~~(objlft/(unitWidth*0.75)) + 1,
            gridTop = (grid_type==='square')?~~(objtp/unitHeight) + 1:(grid_type==='hex')?~~(objtp/(unitHeight*0.75)) + 1:~~(objtp/(unitHeight/2) + 0.5);
            
        page.set('gridlabels',true);
        
        html += '/direct '
            + '<br>Snapping Increment: ' + snapping_increment
            + '<br>Grid Type: ' + grid_type
            + '<br>Diagonal Type: ' + diagonaltype
            + '<br>Left: ' + objlft
            + '<br>Top: ' + objtp
            + '<br>Width: ' + objwdth
            + '<br>height: ' + objhght
            + '<br>rotation: ' + objrttn
            + '<br>Unit Width: ' + unitWidth
            + '<br>Unit Height: ' + unitHeight
            +'<br>Grid Left: ' + gridLeft
            +'<br>GridTop: ' + gridTop;
            
        sendChat(Math.random().toString(36).substring(7),html);
    },
    registerEventHandlers = function() {
        on('change:graphic', handleGraphicChange);
    };

	return {
		RegisterEventHandlers: registerEventHandlers
	};
    
}());
 
on('ready',function(){
	'use strict';
    mapGrid.RegisterEventHandlers();
});