dynmap/web/js/map.js
2011-04-02 00:52:24 +02:00

519 lines
14 KiB
JavaScript

"use strict";
//if (!console) console = { log: function() {} };
var componentconstructors = {};
var maptypes = {};
componentconstructors['testcomponent'] = function(dynmap, configuration) {
console.log('initialize');
$(dynmap).bind('worldchanged', function() { console.log('worldchanged'); });
$(dynmap).bind('mapchanged', function() { console.log('mapchanged'); });
$(dynmap).bind('zoomchanged', function() { console.log('zoomchanged'); });
$(dynmap).bind('worldupdating', function() { console.log('worldupdating'); });
$(dynmap).bind('worldupdate', function() { console.log('worldupdate'); });
$(dynmap).bind('worldupdated', function() { console.log('worldupdated'); });
$(dynmap).bind('worldupdatefailed', function() { console.log('worldupdatefailed'); });
$(dynmap).bind('playeradded', function() { console.log('playeradded'); });
$(dynmap).bind('playerremoved', function() { console.log('playerremoved'); });
$(dynmap).bind('playerupdated', function() { console.log('playerupdated'); });
};
function loadjs(url, completed) {
var script = document.createElement('script');
script.setAttribute('src', url);
script.setAttribute('type', 'text/javascript');
var isloaded = false;
script.onload = function() {
if (isloaded) { return; }
isloaded = true;
completed();
};
// Hack for IE, don't know whether this still applies to IE9.
script.onreadystatechange = function() {
script.onload();
};
(document.head || document.getElementsByTagName('head')[0]).appendChild(script);
}
function splitArgs(s) {
var r = s.split(' ');
delete arguments[0];
var obj = {};
var index = 0;
$.each(arguments, function(argumentIndex, argument) {
if (!argumentIndex) { return; }
var value = r[argumentIndex-1];
obj[argument] = value;
});
return obj;
}
function swtch(value, options, defaultOption) {
return (options[value] || defaultOption || function(){})(value);
}
(function( $ ){
$.fn.scrollHeight = function(height) {
return this[0].scrollHeight;
};
})($);
function DynMapType() { }
DynMapType.prototype = {
onTileUpdated: function(tile, tileName) {
var src = this.dynmap.getTileUrl(tileName);
tile.attr('src', src);
tile.show();
},
updateTileSize: function(zoom) {}
};
function Location(world, x, y, z) {
this.world = world;
this.x = x;
this.y = y;
this.z = z;
}
function DynMap(options) {
var me = this;
me.options = options;
$.getJSON(me.options.updateUrl + 'configuration', function(configuration) {
me.configure(configuration);
me.initialize();
}, function(status, statusMessage) {
alert('Could not retrieve configuration: ' + statusMessage);
});
}
DynMap.prototype = {
components: [],
worlds: {},
registeredTiles: [],
players: {},
lasttimestamp: '0',
followingPlayer: '',
configure: function(configuration) {
var me = this;
$.extend(me.options, configuration);
$.each(me.options.worlds, function(index, worldentry) {
var world = me.worlds[worldentry.name] = $.extend({}, worldentry, {
maps: {}
});
$.each(worldentry.maps, function(index, mapentry) {
var map = $.extend({}, mapentry, {
world: world,
dynmap: me
});
map = world.maps[mapentry.name] = maptypes[mapentry.type](map);
world.defaultmap = world.defaultmap || map;
});
me.defaultworld = me.defaultworld || world;
});
},
initialize: function() {
var me = this;
var container = $(me.options.container);
container.addClass('dynmap');
var mapContainer;
(mapContainer = $('<div/>'))
.addClass('map')
.appendTo(container);
var map = this.map = new google.maps.Map(mapContainer.get(0), {
zoom: 1,
center: new google.maps.LatLng(0, 1),
navigationControl: true,
navigationControlOptions: {
style: google.maps.NavigationControlStyle.DEFAULT
},
scaleControl: false,
mapTypeControl: false,
streetViewControl: false,
backgroundColor: 'none'
});
map.zoom_changed = function() {
me.maptype.updateTileSize(me.map.zoom);
$(me).trigger('zoomchanged');
};
google.maps.event.addListener(map, 'dragstart', function(mEvent) {
me.followPlayer(null);
});
// TODO: Enable hash-links.
/*
google.maps.event.addListener(map, 'zoom_changed', function() {
me.updateLink();
});
google.maps.event.addListener(map, 'center_changed', function() {
me.updateLink();
});
*/
// Sidebar
var sidebar = me.sidebar = $('<div/>')
.addClass('sidebar')
.appendTo(container);
var panel = $('<div/>')
.addClass('panel')
.appendTo(sidebar);
// Pin button.
var pinbutton = $('<div/>')
.addClass('pin')
.click(function() {
sidebar.toggleClass('pinned');
})
.appendTo(panel);
// Worlds
var worldlist;
$('<fieldset/>')
.append($('<legend/>').text('Map Types'))
.append(me.worldlist = worldlist = $('<ul/>').addClass('worldlist'))
.appendTo(panel);
$.each(me.worlds, function(index, world) {
var maplist;
world.element = $('<li/>')
.addClass('world')
.text(world.title)
.append(maplist = $('<ul/>')
.addClass('maplist')
)
.data('world', world)
.appendTo(worldlist);
$.each(world.maps, function(index, map) {
me.map.mapTypes.set(map.world.name + '.' + map.name, map);
map.element = $('<li/>')
.addClass('map')
.append($('<a/>')
.attr({ title: map.title, href: '#' })
.addClass('maptype')
.css({ backgroundImage: 'url(' + (map.icon || 'images/block_' + map.name + '.png') + ')' })
.text(map.title)
)
.click(function() {
me.selectMap(map);
})
.data('map', map)
.appendTo(maplist);
});
});
// The scrollbuttons
// we need to show/hide them depending: if (me.playerlist.scrollHeight() > me.playerlist.innerHeight()) or something.
var upbtn = $('<div/>')
.addClass('scrollup')
.bind('mousedown mouseup', function(event){
if(event.type == 'mousedown'){
playerlist.animate({"scrollTop": "-=300px"}, 3000, 'linear');
}else{
playerlist.stop();
}
});
var downbtn = $('<div/>')
.addClass('scrolldown')
.bind('mousedown mouseup', function(event){
if(event.type == 'mousedown'){
playerlist.animate({"scrollTop": "+=300px"}, 3000, 'linear');
}else{
playerlist.stop();
}
});
// The Player List
var playerlist;
$('<fieldset/>')
.append($('<legend/>').text('Players'))
.append(upbtn)
.append(me.playerlist = playerlist = $('<ul/>').addClass('playerlist')
.bind('mousewheel', function(event, delta){
this.scrollTop -= (delta * 10);
event.preventDefault();
})
)
.append(downbtn)
.appendTo(panel);
var updateHeight = function() {
playerlist.height(sidebar.innerHeight() - (playerlist.offset().top - worldlist.offset().top) - 64); // here we need a fix to avoid the static value, but it works fine this way :P
var scrollable = playerlist.scrollHeight() > playerlist.height();
upbtn.toggle(scrollable);
downbtn.toggle(scrollable);
};
updateHeight();
$(window).resize(updateHeight);
// The Compass
var compass = $('<div/>')
.addClass('compass')
.appendTo(container);
// TODO: Enable hash-links.
/*
var link;
var linkbox = me.linkbox = $('<div/>')
.addClass('linkbox')
.append(link=$('<input type="text" />'))
.data('link', link)
.appendTo(container);*/
$('<div/>')
.addClass('hitbar')
.appendTo(panel);
var alertbox = me.alertbox = $('<div/>')
.addClass('alertbox')
.hide()
.appendTo(container);
me.selectMap(me.defaultworld.defaultmap);
var componentstoload = me.options.components.length;
$.each(me.options.components, function(index, configuration) {
loadjs('js/' + configuration.type + '.js', function() {
var componentconstructor = componentconstructors[configuration.type];
me.components.push(new componentconstructor(me, configuration));
componentstoload--;
if (componentstoload == 0) {
// Actually start updating once all components are loaded.
setTimeout(function() { me.update(); }, me.options.updaterate);
}
});
});
},
selectMap: function(map, completed) {
if (!map) { throw "Cannot select map " + map; }
var me = this;
if (me.maptype === map) {
return;
}
var worldChanged = me.world !== map.world;
me.map.setMapTypeId('none');
me.world = map.world;
me.maptype = map;
me.maptype.updateTileSize(me.map.zoom);
window.setTimeout(function() {
me.map.setMapTypeId(map.world.name + '.' + map.name);
if (worldChanged) {
$(me).trigger('worldchanged');
}
$(me).trigger('mapchanged');
if (completed) {
completed();
}
}, 1);
$('.map', me.worldlist).removeClass('selected');
$(map.element).addClass('selected');
},
selectWorld: function(world, completed) {
var me = this;
if (typeof(world) === 'String') { world = me.worlds[world]; }
if (me.world === world) {
if (completed) { completed(); }
return;
}
me.selectMap(world.defaultmap, completed);
},
panTo: function(location, completed) {
var me = this;
me.selectWorld(location.world, function() {
var position = me.map.getProjection().fromWorldToLatLng(location.x, location.y, location.z);
me.map.panTo(position);
});
},
update: function() {
var me = this;
$(me).trigger('worldupdating');
$.getJSON(me.options.updateUrl + "world/" + me.world.name + "/" + me.lasttimestamp, function(update) {
if (!update) {
setTimeout(function() { me.update(); }, me.options.updaterate);
return;
}
me.alertbox.hide();
if (!me.options.jsonfile) {
me.lasttimestamp = update.timestamp;
}
var newplayers = {};
$.each(update.players, function(index, playerUpdate) {
var name = playerUpdate.name;
var player = me.players[name];
if (player) {
me.updatePlayer(player, playerUpdate);
} else {
me.addPlayer(playerUpdate);
}
newplayers[name] = player;
});
var name;
for(name in me.players) {
var player = me.players[name];
if(!(name in newplayers)) {
me.removePlayer(player);
}
}
$.each(update.updates, function(index, update) {
// Only handle updates that are actually new.
if(!me.options.jsonfile || me.lasttimestamp <= update.timestamp) {
$(me).trigger('worldupdate', [ update ]);
swtch(update.type, {
tile: function() {
me.onTileUpdated(update.name);
}
});
}
/* remove older messages from chat*/
//var timestamp = event.timeStamp;
//var divs = $('div[rel]');
//divs.filter(function(i){return parseInt(divs[i].attr('rel')) > timestamp+me.options.messagettl;}).remove();
});
$(me).trigger('worldupdated', [ update ]);
me.lasttimestamp = update.timestamp;
setTimeout(function() { me.update(); }, me.options.updaterate);
}, function(status, statusText, request) {
me.alertbox
.text('Could not update map: ' + (statusText || 'Could not connect to server'))
.show();
$(me).trigger('worldupdatefailed');
setTimeout(function() { me.update(); }, me.options.updaterate);
}
);
},
getTileUrl: function(tileName, always) {
var me = this;
var tile = me.registeredTiles[tileName];
if(tile) {
return me.options.tileUrl + me.world.name + '/' + tileName + '?' + tile.lastseen;
} else {
return me.options.tileUrl + me.world.name + '/' + tileName + '?0';
}
},
registerTile: function(mapType, tileName, tile) {
this.registeredTiles[tileName] = {
tileElement: tile,
mapType: mapType,
lastseen: '0'
};
},
unregisterTile: function(mapType, tileName) {
delete this.registeredTiles[tileName];
},
onTileUpdated: function(tileName) {
var me = this;
var tile = this.registeredTiles[tileName];
if (tile) {
tile.lastseen = this.lasttimestamp;
tile.mapType.onTileUpdated(tile.tileElement, tileName);
}
},
addPlayer: function(update) {
var me = this;
var player = me.players[update.name] = {
name: update.name,
location: new Location(me.worlds[update.world], parseFloat(update.x), parseFloat(update.y), parseFloat(update.z))
};
$(me).trigger('playeradded', [ player ]);
// Create the player-menu-item.
var playerIconContainer;
var menuitem = player.menuitem = $('<li/>')
.addClass('player')
.append(playerIconContainer = $('<span/>')
.addClass('playerIcon')
.append($('<img/>').attr({ src: 'images/player_face.png' }))
.attr({ title: 'Follow ' + player.name })
.click(function() {
var follow = player !== me.followingPlayer;
me.followPlayer(follow ? player : null);
})
)
.append($('<a/>')
.attr({
href: '#',
title: 'Center on ' + player.name
})
.text(player.name)
)
.click(function(e) {
if (me.followingPlayer !== player) {
me.followPlayer(null);
}
me.panTo(player.location);
})
.appendTo(me.playerlist);
if (me.options.showplayerfacesinmenu) {
getMinecraftHead(player.name, 16, function(head) {
$('img', playerIconContainer).remove();
$(head).appendTo(playerIconContainer);
});
}
},
updatePlayer: function(player, update) {
var me = this;
var location = player.location = new Location(me.worlds[update.world], parseFloat(update.x), parseFloat(update.y), parseFloat(update.z));
$(me).trigger('playerupdated', [ player ]);
// Update menuitem.
player.menuitem.toggleClass('otherworld', me.world !== location.world);
if (player === me.followingPlayer) {
// Follow the updated player.
me.panTo(player.location);
}
},
removePlayer: function(player) {
var me = this;
delete me.players[player.name];
$(me).trigger('playerremoved', [ player ]);
// Remove menu item.
player.menuitem.remove();
},
followPlayer: function(player) {
var me = this;
$('.following', me.playerlist).removeClass('following');
if(player) {
$(player.menuitem).addClass('following');
me.panTo(player.location);
}
this.followingPlayer = player;
}
// TODO: Enable hash-links.
/* updateLink: function() {
var me = this;
var url = location.href.match(/^[^#]+/);
var a=url
+ "#lat=" + me.map.getCenter().lat().toFixed(6)
+ "&lng=" + me.map.getCenter().lng().toFixed(6)
+ "&zoom=" + me.map.getZoom();
me.linkbox.data('link').val(a);
}*/
};