113 lines
3.7 KiB
GDScript
113 lines
3.7 KiB
GDScript
extends TextureRect
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export var parent_control : String = ""
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export(int, "Simple", "Rect", "Radius", "Scale", "ScaleXY" ) var control_type : int = 0
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var generator : MMGenBase = null
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var parameter_x : String = ""
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var parameter_y : String = ""
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var dragging = false
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var parent_control_node = null
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var children_control_nodes = []
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func _ready() -> void:
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if parent_control != "":
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parent_control_node = get_parent().get_node(parent_control)
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if parent_control_node != null:
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parent_control_node.children_control_nodes.push_back(self)
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func _draw() -> void:
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match control_type:
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1: # Rect
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var ppos = parent_control_node.rect_position+0.5*parent_control_node.rect_size
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draw_rect(Rect2(0.5*rect_size, 2.0*(ppos-(rect_position+0.5*rect_size))), modulate, false)
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2: # Radius
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draw_line(0.5*rect_size, 0.5*rect_size-get_parent().value_to_offset(get_value()), modulate)
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3: # Scale
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draw_line(0.5*rect_size, 0.5*rect_size-get_parent().value_to_offset(0.25*get_value()), modulate)
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4: # ScaleXY
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var ppos = parent_control_node.rect_position+0.5*parent_control_node.rect_size
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draw_rect(Rect2(0.5*rect_size, ppos-(rect_position+0.5*rect_size)), modulate, false)
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func setup_control(g : MMGenBase, param_defs : Array) -> void:
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hide()
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if is_instance_valid(generator):
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generator.disconnect("parameter_changed", self, "on_parameter_changed")
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generator = g
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parameter_x = ""
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parameter_y = ""
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for p in param_defs:
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if p.has("control"):
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if p.control == name+".x":
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show()
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parameter_x = p.name
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elif p.control == name+".y":
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show()
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parameter_y = p.name
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if visible:
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generator.connect("parameter_changed", self, "on_parameter_changed")
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update_position(get_value())
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else:
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generator = null
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update_position(Vector2(0, 0))
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func get_value() -> Vector2:
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var pos : Vector2 = Vector2(0, 0)
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if is_instance_valid(generator):
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if parameter_x != "":
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pos.x = generator.get_parameter(parameter_x)
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if parameter_y != "":
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pos.y = generator.get_parameter(parameter_y)
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return pos
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func on_parameter_changed(p, v) -> void:
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if !dragging and (p == parameter_x or p == parameter_y):
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update_position(get_value())
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update()
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func update_parameters(pos : Vector2) -> void:
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if !is_instance_valid(generator):
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return
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if parent_control_node != null:
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pos -= parent_control_node.get_value()
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match control_type:
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1: # Rect
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pos.x = abs(pos.x)
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pos.y = abs(pos.y)
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3: # Scale
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pos.x = 4.0*pos.x
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if parameter_x != "":
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generator.set_parameter(parameter_x, pos.x)
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if parameter_y != "":
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generator.set_parameter(parameter_y, pos.y)
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func update_position(pos : Vector2) -> void:
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match control_type:
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3: # Scale
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pos *= 0.25
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if parent_control_node != null:
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pos += parent_control_node.get_value()
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rect_position = get_parent().value_to_pos(pos+Vector2(0.5, 0.5))-0.5*rect_size
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for c in children_control_nodes:
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c.update_position(c.get_value())
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update()
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func _on_Point_gui_input(event : InputEvent):
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if event is InputEventMouseMotion and event.button_mask == BUTTON_MASK_LEFT:
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rect_position += event.relative
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match control_type:
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2: # Radius
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rect_position.x = max(rect_position.x, parent_control_node.rect_position.x+0.5*(parent_control_node.rect_size.x-rect_size.x))
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rect_position.y = parent_control_node.rect_position.y+0.5*(parent_control_node.rect_size.y-rect_size.y)
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3: # Scale
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rect_position.x = max(rect_position.x, parent_control_node.rect_position.x+0.5*(parent_control_node.rect_size.x-rect_size.x))
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rect_position.y = parent_control_node.rect_position.y+0.5*(parent_control_node.rect_size.y-rect_size.y)
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var pos = get_parent().pos_to_value(rect_position+0.5*rect_size)-Vector2(0.5, 0.5)
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dragging = true
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update_parameters(pos)
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update()
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dragging = false
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for c in children_control_nodes:
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c.update_position(c.get_value())
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