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November 9, 2023 17:25
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Dynmap RegionGrid component
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componentconstructors['regiongrid'] = function(dynmap, configuration) { | |
// var cfg = $.extend({}, configuration); | |
var me = this; | |
this.chunkGroup = new L.LayerGroup(); | |
this.regionGroup = new L.LayerGroup(); | |
this.chunkMarkers = []; | |
this.regionMarkers = []; | |
this.chunkStyle = { | |
color: '#800000', | |
weight: '1', | |
opacity: 0.6, | |
clickable: false, | |
fill: false | |
}; | |
this.regionStyle = { | |
color: '#000080', | |
weight: '3', | |
opacity: 0.6, | |
clickable: false, | |
fill: false | |
}; | |
dynmap.addToLayerSelector(this.chunkGroup, 'Chunks', -1); | |
dynmap.addToLayerSelector(this.regionGroup, 'Regions', -1); | |
dynmap.map.on('moveend', function () { | |
setTimeout(function () {updateGrid();}, 0); | |
}); | |
dynmap.map.on('layeradd layerremove', function (event) { | |
if (event.layer === me.chunkGroup || event.layer === me.regionGroup) | |
{ | |
updateGrid(); | |
} | |
}); | |
function updateGrid() { | |
removeMarkers(me.chunkMarkers, me.chunkGroup); | |
removeMarkers(me.regionMarkers, me.regionGroup); | |
if (!dynmap.map.hasLayer(me.chunkGroup) && !dynmap.map.hasLayer(me.regionGroup)) | |
{ | |
return; | |
} | |
var minMax = getMinMaxData(); | |
addAreas(me.chunkGroup, me.chunkMarkers, me.chunkStyle, 16, minMax.minChunk, minMax.maxChunk); | |
addAreas(me.regionGroup, me.regionMarkers, me.regionStyle, 16*32, minMax.minRegion, minMax.maxRegion); | |
} | |
function removeMarkers(markers, group) { | |
while (markers.length) { | |
group.removeLayer(markers.pop()); | |
} | |
} | |
function addAreas(group, markers, style, multiplier, min, max) { | |
if (!dynmap.map.hasLayer(group)) return; | |
if ((max.x - min.x) * (max.z - min.z) > 1500) return; // for performance reasons | |
for (var x = min.x; x < max.x; x++) { | |
for (var z = min.z; z < max.z; z++) { | |
var pointList = [ | |
latlng(x * multiplier, 64, (z + 1) * multiplier), | |
latlng((x + 1) * multiplier, 64, (z + 1) * multiplier), | |
latlng((x + 1) * multiplier, 64, z * multiplier) | |
]; | |
var marker = new L.Polyline(pointList, style); | |
markers.push(marker); | |
group.addLayer(marker); | |
} | |
} | |
} | |
function getMinMaxData() { | |
// 0,0 => chunk 0 0 => region 0 0 | |
// 15, 15 => chunk 0 0 => region 0 0 | |
// 16, 16 => chunk 1 1 => region 0 0 | |
// 12228, 8898 => chunk 764 556 => region 23 17 | |
var bounds = dynmap.map.getBounds(), | |
projection = dynmap.maptype.getProjection(); | |
var ne = projection.fromLatLngToLocation(bounds.getNorthEast(), 64), | |
se = projection.fromLatLngToLocation(bounds.getSouthEast(), 64), | |
sw = projection.fromLatLngToLocation(bounds.getSouthWest(), 64), | |
nw = projection.fromLatLngToLocation(bounds.getNorthWest(), 64); | |
var minX = Math.min(ne.x, se.x, sw.x, nw.x), | |
maxX = Math.max(ne.x, se.x, sw.x, nw.x), | |
minZ = Math.min(ne.z, se.z, sw.z, nw.z), | |
maxZ = Math.max(ne.z, se.z, sw.z, nw.z), | |
minChunk = { | |
x: Math.floor(minX / 16) - 1, | |
z: Math.floor(minZ / 16) - 1 | |
}, | |
maxChunk = { | |
x: Math.ceil(maxX / 16) + 1, | |
z: Math.ceil(maxZ / 16) + 1 | |
}, | |
minRegion = { | |
x: Math.floor(minChunk.x / 32), | |
z: Math.floor(minChunk.z / 32) | |
}, | |
maxRegion = { | |
x: Math.ceil(maxChunk.x / 32), | |
z: Math.ceil(maxChunk.z / 32) | |
}; | |
return { | |
minChunk: minChunk, | |
maxChunk: maxChunk, | |
minRegion: minRegion, | |
maxRegion: maxRegion | |
}; | |
} | |
}; |
Still works for me on my personal server. If you're still interested, I'd be happy to help you with it :)
Im currently dont directly have a use for it, but you could give an explanation for it again.
Probably did something wrong when i followed the one that lead me here.
Made a little change that should fix panning the map not causing the grid to update on newer versions on dynmap.
Usage instructions:
- save the contents of this gist as a
regiongrid.js
file - put the file into server/plugins/dynmap/web/js
- open the dynmap configuration file located at server/plugins/dynmap/configuration.txt
- find the section named
components:
- add the following lines to the section:
- class: org.dynmap.ClientComponent
type: regiongrid
There are other ClientComponent definitions in that section. Sticking the new definition somewhere between them would work just fine.
Note that it is very important to keep the whitespace exactly as-is or it will not properly work
- reload dynmap. This is most easily done by just restarting the Minecraft server.
After this, the "Chunks" and "Regions" layers should appear in the layer selection menu:
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hm, sadly doesnt seem to work anymore.