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FBX fix unskinned bones not being in the Ref<Skin> causing the rasteriser to error

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This is because a skin bind count must match skeleton bone count, we should make this not the case for 4.0 IMHO as we can reduce the skin size in godot and make the skin surface simpler to process and have less entries :)
This commit is contained in:
Gordon MacPherson
2020-11-03 18:21:43 +00:00
parent df6d845b25
commit bcf77deaae
2 changed files with 18 additions and 12 deletions
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15
modules/fbx/data/fbx_bone.cpp
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@@ -35,7 +35,12 @@
Ref<FBXNode> FBXBone::get_link(const ImportState &state) const {
print_verbose("bone name: " + bone_name);
ERR_FAIL_COND_V_MSG(cluster == nullptr, nullptr, "bone has invalid cluster");
// safe for when deformers must be polyfilled when skin has different count of binds to bones in the scene ;)
if (!cluster) {
return nullptr;
}
ERR_FAIL_COND_V_MSG(cluster->TargetNode() == nullptr, nullptr, "bone has invalid target node");
Ref<FBXNode> link_node;
@@ -59,6 +64,14 @@ Ref<FBXNode> FBXBone::get_link(const ImportState &state) const {
Transform FBXBone::get_vertex_skin_xform(const ImportState &state, Transform mesh_global_position, bool &r_valid_pose) {
r_valid_pose = false;
print_verbose("get_vertex_skin_xform: " + bone_name);
// safe to do, this means we have 'remove unused deformer' checked.
if (!cluster) {
print_verbose("bone [" + itos(bone_id) + "] " + bone_name + ": has no skin offset poly-filling the skin to make rasterizer happy with unused deformers not being skinned");
r_valid_pose = true;
return Transform();
}
ERR_FAIL_COND_V_MSG(cluster == nullptr, Transform(), "[serious] unable to resolve the fbx cluster for this bone " + bone_name);
// these methods will ONLY work for Maya.
if (cluster->TransformAssociateModelValid()) {