mapserver/public/js/map/overlays/PlayerOverlay.js
2021-04-12 13:03:10 +02:00

144 lines
3.4 KiB
JavaScript

import wsChannel from '../../WebSocketChannel.js';
import layerMgr from '../../LayerManager.js';
let players = [];
//update players all the time
wsChannel.addListener("minetest-info", function(info){
players = info.players || [];
});
var PlayerIcon = L.icon({
iconUrl: 'pics/sam.png',
iconSize: [16, 32],
iconAnchor: [8, 16],
popupAnchor: [0, -16]
});
export default L.LayerGroup.extend({
initialize: function() {
L.LayerGroup.prototype.initialize.call(this);
this.currentObjects = {}; // name => marker
this.reDraw = this.reDraw.bind(this);
this.onMinetestUpdate = this.onMinetestUpdate.bind(this);
},
createPopup: function(player){
var html = "<b>" + player.name + "</b>";
html += "<hr>";
for (let i=0; i<Math.floor(player.hp / 2); i++)
html += "<img src='pics/heart.png'>";
if (player.hp % 2 == 1)
html += "<img src='pics/heart_half.png'>";
html += "<br>";
for (let i=0; i<Math.floor(player.breath / 2); i++)
html += "<img src='pics/bubble.png'>";
if (player.breath % 2 == 1)
html += "<img src='pics/bubble_half.png'>";
html += `
<br>
<b>RTT:</b> ${Math.floor(player.rtt*1000)} ms
<br>
<b>Protocol version:</b> ${player.protocol_version}
`;
return html;
},
createMarker: function(player){
var marker = L.marker([player.pos.z, player.pos.x], {icon: PlayerIcon});
marker.bindPopup(this.createPopup(player));
return marker;
},
isPlayerInCurrentLayer: function(player){
var mapLayer = layerMgr.getCurrentLayer();
return (
player.pos.y >= (mapLayer.from*16) &&
player.pos.y <= ((mapLayer.to*16) + 15)
);
},
onMinetestUpdate: function(/*info*/){
players.forEach(player => {
var isInLayer = this.isPlayerInCurrentLayer(player);
if (!isInLayer){
if (this.currentObjects[player.name]){
//player is displayed and not on the layer anymore
//Remove the marker and reference
this.currentObjects[player.name].remove();
delete this.currentObjects[player.name];
}
return;
}
if (this.currentObjects[player.name]){
//marker exists
let marker = this.currentObjects[player.name];
marker.setLatLng([player.pos.z, player.pos.x]);
marker.setPopupContent(this.createPopup(player));
} else {
//marker does not exist
let marker = this.createMarker(player);
marker.addTo(this);
this.currentObjects[player.name] = marker;
}
});
Object.keys(this.currentObjects).forEach(existingName => {
var playerIsActive = players.find(function(p){
return p.name == existingName;
});
if (!playerIsActive){
//player
this.currentObjects[existingName].remove();
delete this.currentObjects[existingName];
}
});
},
reDraw: function(){
this.currentObjects = {};
this.clearLayers();
players.forEach(player => {
if (!this.isPlayerInCurrentLayer(player)){
//not in current layer
return;
}
var marker = this.createMarker(player);
marker.addTo(this);
this.currentObjects[player.name] = marker;
});
},
onAdd: function(/*map*/) {
wsChannel.addListener("minetest-info", this.onMinetestUpdate);
this.reDraw();
},
onRemove: function(/*map*/) {
this.clearLayers();
wsChannel.removeListener("minetest-info", this.onMinetestUpdate);
}
});