mirror of
https://github.com/Relintai/material-maker.git
synced 2024-12-23 21:16:54 +01:00
85 lines
2.7 KiB
GDScript
85 lines
2.7 KiB
GDScript
tool
|
|
extends Control
|
|
class_name MMNodeLink
|
|
|
|
var end
|
|
var source = null
|
|
var target = null
|
|
|
|
var generator = null
|
|
var param_index = 0
|
|
var creating = false
|
|
|
|
func _init(parent):
|
|
size_flags_horizontal = SIZE_EXPAND_FILL
|
|
size_flags_vertical = SIZE_EXPAND_FILL
|
|
rect_size = parent.rect_size
|
|
rect_clip_content = true
|
|
parent.add_child(self)
|
|
|
|
func pick(s, g, i, c = false):
|
|
source = s
|
|
end = get_global_transform().xform_inv(source.get_global_transform().xform(0.5*source.rect_size))
|
|
generator = g
|
|
param_index = i
|
|
creating = c
|
|
set_process_input(true)
|
|
|
|
func show_link(s, t):
|
|
set_process_input(false)
|
|
mouse_filter = Control.MOUSE_FILTER_IGNORE
|
|
source = s
|
|
target = t
|
|
update()
|
|
|
|
func closest(rect, point):
|
|
return Vector2(max(rect.position.x, min(rect.end.x, point.x)), max(rect.position.y, min(rect.end.y, point.y)))
|
|
|
|
func find_control(gp):
|
|
for c in get_parent().get_children():
|
|
if c is GraphNode:
|
|
if c.get("controls") != null:
|
|
for w in c.controls:
|
|
var widget = c.controls[w]
|
|
if Rect2(widget.rect_global_position, widget.rect_size*widget.get_global_transform().get_scale()).has_point(gp):
|
|
return { node=c, widget=widget }
|
|
return null
|
|
|
|
func _draw():
|
|
#draw_rect(Rect2(rect_position, rect_size), Color(1.0, 0.0, 0.0, 0.2))
|
|
#draw_rect(Rect2(rect_position, rect_size), Color(1.0, 1.0, 0.0), false)
|
|
var start = get_global_transform().xform_inv(source.get_global_transform().xform(0.5*source.rect_size))
|
|
var color = Color(1, 0.5, 0.5, 0.5)
|
|
var rect
|
|
if target != null:
|
|
color = Color(0.5, 1, 0.5, 0.5)
|
|
rect = get_global_transform().xform_inv(target.get_global_transform().xform(Rect2(Vector2(0, 0), target.rect_size)))
|
|
draw_rect(rect, color, false)
|
|
end = closest(rect, start)
|
|
rect = get_global_transform().xform_inv(source.get_global_transform().xform(Rect2(Vector2(0, 0), source.rect_size)))
|
|
draw_rect(rect, color, false)
|
|
start = closest(rect, end)
|
|
draw_line(start, end, color, 1, true)
|
|
|
|
func _input(event):
|
|
if event is InputEventKey:
|
|
if event.scancode == KEY_ESCAPE:
|
|
set_process_input(false)
|
|
queue_free()
|
|
elif event is InputEventMouseMotion:
|
|
var control = find_control(event.global_position)
|
|
end = get_global_transform().xform_inv(event.global_position)
|
|
target = control.widget if control != null and generator.can_link_parameter(param_index, control.node.generator, control.widget.name) else null
|
|
update()
|
|
elif event is InputEventMouseButton:
|
|
if event.pressed:
|
|
if event.button_index == BUTTON_LEFT:
|
|
var control = find_control(event.global_position)
|
|
if control != null:
|
|
generator.link_parameter(param_index, control.node.generator, control.widget.name)
|
|
elif creating:
|
|
generator.remove_parameter(param_index)
|
|
set_process_input(false)
|
|
queue_free()
|
|
get_tree().set_input_as_handled()
|