broken_seals/game/addons/bone_editor/BoneHandle.gd

94 lines
2.6 KiB
GDScript

tool
extends Spatial
class_name BoneHandle
var bone_editor
var skeleton:Skeleton = null
var bone_id:int = -1
var bone_name:String = ""
var original_rest:Transform
var original_parent_rest:Transform
var original_global_rest_origin:Vector3
var enabled:bool = true
var pose:Transform
func _ready( ):
if self.skeleton == null or self.bone_id == -1:
return
self.original_rest = self.skeleton.get_bone_rest( self.bone_id )
var parent_bone_id:int = self.skeleton.get_bone_parent( self.bone_id )
if parent_bone_id != -1:
self.original_parent_rest = self.skeleton.get_bone_global_pose( parent_bone_id )
self.transform.basis = Basis( )
self.transform.origin = self.original_parent_rest.basis.xform( self.original_rest.origin )
self.original_global_rest_origin = self.transform.origin
func init_pose( ):
self.transform.basis = Basis( )
self.transform.origin = self.original_parent_rest.basis.xform( self.original_rest.origin )
func set_pose( basis:Basis, origin:Vector3 ):
self.transform.basis = basis
self.transform.origin = self.original_global_rest_origin + self.original_parent_rest.basis.xform( origin )
# printt( self.bone_name, basis, origin )
func set_as_rest_pose():
self.skeleton.set_bone_rest(self.bone_id, transform)
self.skeleton.set_bone_pose( self.bone_id, Transform( ))
transform = Transform()
self.original_rest = self.skeleton.get_bone_rest( self.bone_id )
var parent_bone_id:int = self.skeleton.get_bone_parent( self.bone_id )
if parent_bone_id != -1:
self.original_parent_rest = self.skeleton.get_bone_global_pose( parent_bone_id )
self.transform.basis = Basis( )
self.transform.origin = self.original_parent_rest.basis.xform( self.original_rest.origin )
self.original_global_rest_origin = self.transform.origin
func _process( delta:float ):
if self.skeleton == null or self.bone_id == -1:
return
if self.enabled:
var t:Transform = Transform( )
t.basis = self.transform.basis
t.origin = self.original_parent_rest.basis.xform_inv( self.transform.origin - self.original_global_rest_origin )
self.skeleton.set_bone_pose( self.bone_id, t )
self.pose = t
func ensure_bone_editor():
if !bone_editor:
var n : Node = get_parent()
while n:
if n.has_method("is_done_editor"):
bone_editor = n
return
n = n.get_parent()
func _notification(what):
if what == NOTIFICATION_PARENTED:
ensure_bone_editor()
if !bone_editor:
return
if !bone_editor.edit_bone_hierarchy:
return
var n : Node = get_parent()
if n == bone_editor:
bone_editor.set_bone_parent(bone_id, -1)
else:
bone_editor.set_bone_parent(bone_id, n.bone_id)