private static void PrepareModel(
this NJObject obj,
List <RenderMesh> opaque,
List <RenderMesh> transparent,
BufferingBridge buffer,
Camera cam,
NJObject activeObj,
Matrix4?parentWorld,
bool weighted)
{
Matrix4 world = obj.LocalMatrix;
if (parentWorld.HasValue)
{
world *= parentWorld.Value;
}
if (obj.Attach != null && obj.Attach.MeshData.Length > 0)
{
// if a model is weighted, then the buffered vertex positions/normals will have to be set to world space, which means that world and normal matrix should be identities
if (weighted)
{
buffer.LoadToCache(obj.Attach.MeshData, world, obj == activeObj);
}
else if (!buffer.IsBuffered(obj.Attach.MeshData[0]))
{
buffer.LoadToCache(obj.Attach.MeshData, null, false);
}
RenderMatrices matrices = weighted ? new(cam.ViewMatrix * cam.ProjectionMatrix) : new(world, world *cam.ViewMatrix *cam.ProjectionMatrix);
var meshes = obj.Attach.GetDisplayMeshes();
if (meshes.opaque.Length > 0)
{
opaque.Add(new RenderMesh(meshes.opaque, matrices));
}
if (meshes.transparent.Length > 0)
{
transparent.Add(new RenderMesh(meshes.transparent, matrices));
}
}
for (int i = 0; i < obj.ChildCount; i++)
{
obj[i].PrepareModel(opaque, transparent, buffer, cam, activeObj, world, weighted);
}
}
public RenderMesh(BufferMesh[] meshes, RenderMatrices matrices)
{
this.meshes = meshes;
this.matrices = matrices;
}
