private void LoadEntitiesFromLump(Scene scene, LoadResult result, EntityLump entityLump, string layerName = null)
{
var childEntities = entityLump.GetChildEntityNames();
foreach (var childEntityName in childEntities)
{
var newResource = guiContext.LoadFileByAnyMeansNecessary(childEntityName + "_c");
if (newResource == null)
{
continue;
}
var childLump = (EntityLump)newResource.DataBlock;
var childName = childLump.Data.GetProperty <string>("m_name");
LoadEntitiesFromLump(scene, result, childLump, childName);
}
var worldEntities = entityLump.GetEntities();
foreach (var entity in worldEntities)
{
var classname = entity.GetProperty <string>("classname");
if (classname == "info_world_layer")
{
var spawnflags = entity.GetProperty <uint>("spawnflags");
var layername = entity.GetProperty <string>("layername");
// Visible on spawn flag
if ((spawnflags & 1) == 1)
{
result.DefaultEnabledLayers.Add(layername);
}
continue;
}
else if (classname == "skybox_reference")
{
var worldgroupid = entity.GetProperty <string>("worldgroupid");
var targetmapname = entity.GetProperty <string>("targetmapname");
var skyboxWorldPath = $"maps/{Path.GetFileNameWithoutExtension(targetmapname)}/world.vwrld_c";
var skyboxPackage = guiContext.LoadFileByAnyMeansNecessary(skyboxWorldPath);
if (skyboxPackage != null)
{
result.Skybox = (World)skyboxPackage.DataBlock;
}
}
var scale = entity.GetProperty <string>("scales");
var position = entity.GetProperty <string>("origin");
var angles = entity.GetProperty <string>("angles");
var model = entity.GetProperty <string>("model");
var skin = entity.GetProperty <string>("skin");
var particle = entity.GetProperty <string>("effect_name");
//var animation = entity.GetProperty<string>("defaultanim");
string animation = null;
if (scale == null || position == null || angles == null)
{
continue;
}
var isGlobalLight = classname == "env_global_light";
var isCamera =
classname == "sky_camera" ||
classname == "point_devshot_camera" ||
classname == "point_camera";
var isTrigger =
classname.Contains("trigger") ||
classname == "post_processing_volume";
var positionVector = EntityTransformHelper.ParseVector(position);
var transformationMatrix = EntityTransformHelper.CalculateTransformationMatrix(entity);
if (classname == "sky_camera")
{
result.SkyboxScale = entity.GetProperty <ulong>("scale");
result.SkyboxOrigin = positionVector;
}
if (particle != null)
{
var particleResource = guiContext.LoadFileByAnyMeansNecessary(particle + "_c");
if (particleResource != null)
{
var particleSystem = (ParticleSystem)particleResource.DataBlock;
var origin = new Vector3(positionVector.X, positionVector.Y, positionVector.Z);
try
{
var particleNode = new ParticleSceneNode(scene, particleSystem)
{
Transform = Matrix4x4.CreateTranslation(origin),
LayerName = layerName,
};
scene.Add(particleNode, true);
}
catch (Exception e)
{
Console.Error.WriteLine($"Failed to setup particle '{particle}': {e.Message}");
}
}
continue;
}
if (isCamera)
{
var name = entity.GetProperty <string>("targetname") ?? string.Empty;
var cameraName = string.IsNullOrEmpty(name)
? classname
: name;
result.CameraMatrices.Add(cameraName, transformationMatrix);
continue;
}
else if (isGlobalLight)
{
result.GlobalLightPosition = positionVector;
continue;
}
else if (model == null)
{
continue;
}
var objColor = Vector4.One;
// Parse colour if present
var colour = entity.GetProperty("rendercolor");
// HL Alyx has an entity that puts rendercolor as a string instead of color255
// TODO: Make an enum for these types
if (colour != default && colour.Type == 0x09)
{
var colourBytes = (byte[])colour.Data;
objColor.X = colourBytes[0] / 255.0f;
objColor.Y = colourBytes[1] / 255.0f;
objColor.Z = colourBytes[2] / 255.0f;
objColor.W = colourBytes[3] / 255.0f;
}
var newEntity = guiContext.LoadFileByAnyMeansNecessary(model + "_c");
if (newEntity == null)
{
var errorModelResource = guiContext.LoadFileByAnyMeansNecessary("models/dev/error.vmdl_c");
if (errorModelResource != null)
{
var errorModel = new ModelSceneNode(scene, (Model)errorModelResource.DataBlock, skin, false)
{
Transform = transformationMatrix,
LayerName = layerName,
};
scene.Add(errorModel, false);
}
continue;
}
var newModel = (Model)newEntity.DataBlock;
var modelNode = new ModelSceneNode(scene, newModel, skin, false)
{
Transform = transformationMatrix,
Tint = objColor,
LayerName = layerName,
};
if (animation != default)
{
modelNode.LoadAnimation(animation); // Load only this animation
modelNode.SetAnimation(animation);
}
var bodyHash = StringToken.Get("body");
if (entity.Properties.ContainsKey(bodyHash))
{
var groups = modelNode.GetMeshGroups();
var body = entity.Properties[bodyHash].Data;
int bodyGroup = -1;
if (body is ulong bodyGroupLong)
{
bodyGroup = (int)bodyGroupLong;
}
else if (body is string bodyGroupString)
{
if (!int.TryParse(bodyGroupString, out bodyGroup))
{
bodyGroup = -1;
}
}
modelNode.SetActiveMeshGroups(groups.Skip(bodyGroup).Take(1));
}
scene.Add(modelNode, false);
var phys = newModel.GetEmbeddedPhys();
if (phys == null)
{
var refPhysicsPaths = newModel.GetReferencedPhysNames();
if (refPhysicsPaths.Any())
{
var newResource = guiContext.LoadFileByAnyMeansNecessary(refPhysicsPaths.First() + "_c");
if (newResource != null)
{
phys = (PhysAggregateData)newResource.DataBlock;
}
}
}
if (phys != null)
{
var physSceneNode = new PhysSceneNode(scene, phys)
{
Transform = transformationMatrix,
IsTrigger = isTrigger,
LayerName = layerName
};
scene.Add(physSceneNode, false);
}
}
}
protected override void LoadScene()
{
if (model != null)
{
modelSceneNode = new ModelSceneNode(Scene, model);
SetAvailableAnimations(modelSceneNode.GetSupportedAnimationNames());
Scene.Add(modelSceneNode, false);
phys = model.GetEmbeddedPhys();
if (phys == null)
{
var refPhysicsPaths = model.GetReferencedPhysNames();
if (refPhysicsPaths.Any())
{
//TODO are there any models with more than one vphys?
if (refPhysicsPaths.Count() != 1)
{
Console.WriteLine($"Model has more than 1 vphys ({refPhysicsPaths.Count()})." +
" Please report this on https://github.com/SteamDatabase/ValveResourceFormat and provide the file that caused this.");
}
var newResource = Scene.GuiContext.LoadFileByAnyMeansNecessary(refPhysicsPaths.First() + "_c");
if (newResource != null)
{
phys = (PhysAggregateData)newResource.DataBlock;
}
}
}
var meshGroups = modelSceneNode.GetMeshGroups();
if (meshGroups.Count() > 1)
{
meshGroupListBox = ViewerControl.AddMultiSelection("Mesh Group", selectedGroups =>
{
modelSceneNode.SetActiveMeshGroups(selectedGroups);
});
meshGroupListBox.Items.AddRange(modelSceneNode.GetMeshGroups().ToArray <object>());
foreach (var group in modelSceneNode.GetActiveMeshGroups())
{
meshGroupListBox.SetItemChecked(meshGroupListBox.FindStringExact(group), true);
}
}
var materialGroups = model.GetMaterialGroups();
if (materialGroups.Count() > 1)
{
materialGroupListBox = ViewerControl.AddSelection("Material Group", (selectedGroup, _) =>
{
modelSceneNode?.SetSkin(selectedGroup);
});
materialGroupListBox.Items.AddRange(materialGroups.ToArray <object>());
materialGroupListBox.SelectedIndex = 0;
}
modelSceneNode.AnimationController.RegisterUpdateHandler((animation, frame) =>
{
if (animationTrackBar.TrackBar.Value != frame)
{
animationTrackBar.UpdateValueSilently(frame);
}
var maximum = animation == null ? 1 : animation.FrameCount - 1;
if (animationTrackBar.TrackBar.Maximum != maximum)
{
animationTrackBar.TrackBar.Maximum = maximum;
}
animationTrackBar.Enabled = animation != null;
animationPlayPause.Enabled = animation != null;
});
}
else
{
SetAvailableAnimations(Enumerable.Empty <string>());
}
if (mesh != null)
{
meshSceneNode = new MeshSceneNode(Scene, mesh);
Scene.Add(meshSceneNode, false);
}
if (phys != null)
{
physSceneNode = new PhysSceneNode(Scene, phys);
Scene.Add(physSceneNode, false);
//disabled by default. Enable if viewing only phys or model without meshes
physSceneNode.Enabled = (modelSceneNode == null || !modelSceneNode.RenderableMeshes.Any());
ViewerControl.AddCheckBox("Show Physics", physSceneNode.Enabled, (v) => { physSceneNode.Enabled = v; });
}
}