107 lines
3.4 KiB
GDScript
107 lines
3.4 KiB
GDScript
@tool
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extends Control
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class_name AnimationGraphEditor
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@onready var breadcrumb_button_container: HBoxContainer = %BreadcrumbButtons
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@onready var active_graph_control: Control = %ActiveGraphControl
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var active_animation_graph_node:BLTAnimationGraph = null
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var animation_graph_root_node:BLTAnimationNode = null
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var graph_node_stack:Array[BLTAnimationNode] = []
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var active_graph_edit:Control = null
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var active_graph_edit_index = -1
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func reset_graph_control():
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for child in active_graph_control.get_children():
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active_graph_control.remove_child(child)
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child.queue_free()
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func edit_animation_root_node(blt_node:BLTAnimationNode):
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graph_node_stack = []
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active_graph_edit_index = -1
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truncate_graph_stack(0)
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blt_node.resource_name = "Root"
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if blt_node is BLTAnimationNodeBlendTree:
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animation_graph_root_node = blt_node
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push_graph_stack(blt_node)
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edit_graph(blt_node)
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return
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push_warning("Cannot edit node %s. Graph type %s not yet supported." % [blt_node.resource_name, blt_node.get_class()])
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func push_graph_stack(blt_node:BLTAnimationNode):
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graph_node_stack.append(blt_node)
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active_graph_edit_index = graph_node_stack.size() - 1
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var breadcrumb_button:Button = Button.new()
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breadcrumb_button_container.add_child(breadcrumb_button)
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breadcrumb_button.text = blt_node.resource_name
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breadcrumb_button.toggle_mode = true
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breadcrumb_button.set_meta("BLTAnimationNode", blt_node)
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breadcrumb_button.set_meta("graph_edit_index", active_graph_edit_index)
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breadcrumb_button.pressed.connect(on_breadcrumb_button_pressed.bind(active_graph_edit_index))
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func truncate_graph_stack(level:int):
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graph_node_stack.resize(level)
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var is_above_stack_size = false
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for child in breadcrumb_button_container.get_children():
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if is_above_stack_size:
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breadcrumb_button_container.remove_child(child)
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child.queue_free()
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continue
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var button:Button = child as Button
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if not is_instance_valid(button):
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continue
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if button.get_meta("graph_edit_index") >= graph_node_stack.size():
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is_above_stack_size = true
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breadcrumb_button_container.remove_child(child)
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child.queue_free()
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func on_breadcrumb_button_pressed(graph_edit_index:int):
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print("on_breadcrumb_button_pressed(%d)" % graph_edit_index)
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active_graph_edit_index = graph_edit_index
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update_breadcrumb_button_container()
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edit_graph(graph_node_stack[graph_edit_index])
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func update_breadcrumb_button_container():
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for child in breadcrumb_button_container.get_children():
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var button:Button = child as Button
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if not is_instance_valid(button):
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continue
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if button.get_meta("graph_edit_index") == active_graph_edit_index:
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button.set_pressed_no_signal(true)
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else:
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button.set_pressed_no_signal(false)
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func edit_graph(blt_node:BLTAnimationNode):
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if blt_node is BLTAnimationNodeBlendTree:
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reset_graph_control()
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var blend_tree_graph_edit:BltBlendTreeEditor = preload ("res://addons/blendalot/blend_tree_editor.tscn").instantiate()
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active_graph_control.add_child(blend_tree_graph_edit)
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blend_tree_graph_edit.edit_blend_tree(blt_node)
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blend_tree_graph_edit.edit_subgraph.connect(handle_subgraph_edit)
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active_graph_edit = blend_tree_graph_edit
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else:
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push_error("Cannot edit graph of node type %s" % blt_node.get_class())
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func handle_subgraph_edit(blt_node:BLTAnimationNode):
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print("handling subgraph edit of node %s" % blt_node.resource_name)
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truncate_graph_stack(active_graph_edit_index + 1)
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push_graph_stack(blt_node)
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edit_graph(blt_node)
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