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fix: place player-built models using their stored position and rotation

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DarkflameServer now normalizes UGC model LXFML around the model's own
origin and stores the model's world position and rotation in
properties_contents, the same as for prebuilt models. The property
viewer only applied that transform to prebuilt models, so every
player-built model rendered piled up at the origin.

Pass each UGC model's stored position and rotation to the LDD converter
and apply it to every brick (including flex parts) when building the
scene.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-24 19:39:36 -05:00
parent 79b84db793
commit 18bab8d57a
1 changed files with 25 additions and 6 deletions
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31
app/templates/ldd/ldd.html.j2
View File

@@ -277,7 +277,9 @@
this.xmldata = ''
}
AddScene(file){
// placement: optional THREE.Matrix4 that places this model in the property. DLU stores player-built
// (UGC) models normalized around their own origin, with the position and rotation in properties_contents.
AddScene(file, placement = null){
let lxfmlfile = new DBURLFile(file,file)
this.xmldata = lxfmlfile.read()
@@ -305,7 +307,9 @@
for (let j = 0; j < childnodes.length ;j++) {
let childnode = childnodes[j]
if (childnode.nodeName == 'Brick'){
this.Bricks.push(new Brick(childnode))
let brick = new Brick(childnode)
brick.placement = placement
this.Bricks.push(brick)
}
}
}
@@ -531,9 +535,9 @@
}
}
LoadScene(filename){
LoadScene(filename, placement = null){
if(this.database.initok){
this.scene.AddScene(filename)
this.scene.AddScene(filename, placement)
}
}
@@ -608,6 +612,11 @@
n14, n24 ,n34, n44);
}
// Move the brick from model space to its place on the property
if (bri.placement){
m.premultiply(bri.placement)
}
let decoCount = 0
for (const [partindex, part] of geo.Parts.entries()){
@@ -1033,10 +1042,14 @@
//Start
// Player-built models with the position and rotation stored for them in properties_contents
let lxfml_file_list = [
{% for model in content %}
{% if model.lot == 14 %}
"{{url_for('properties.get_model', id=model.id, file_format='lxfml', lod=lod)}}"{{ ", " if not loop.last else "" }}
{
"url": "{{url_for('properties.get_model', id=model.id, file_format='lxfml', lod=lod)}}",
"pos": {{ model.pos[0]|tojson }}
}{{ ", " if not loop.last else "" }}
{% endif %}
{% endfor %}
]
@@ -1047,7 +1060,13 @@
let converter = new Converter()
converter.LoadDBURL(ldddburl)
for (let i = 0; i < lxfml_file_list.length; i++) {
converter.LoadScene(lxfml_file_list[i])
let pos = lxfml_file_list[i].pos
let placement = new THREE.Matrix4().compose(
new THREE.Vector3(pos.x, pos.y, pos.z),
new THREE.Quaternion(pos.rx, pos.ry, pos.rz, pos.rw),
new THREE.Vector3(1, 1, 1)
)
converter.LoadScene(lxfml_file_list[i].url, placement)
}
converter.Export('test.webgl')