98 lines
3.2 KiB
GDScript
98 lines
3.2 KiB
GDScript
extends Control
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# TrapezoidSwatch.gd (manual-drag version)
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# The trapezoid node ITSELF follows the cursor while dragging (no ghost).
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# On release over the board, it tells DropCatcher to paint the hit segment,
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# then asks the tray to consume the round's modifiers.
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@export var paint_texture: Texture2D:
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set(value):
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paint_texture = value
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queue_redraw()
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@export_range(0.0, 1.0) var top_width_ratio := 0.55
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# Set by the tray when it spawns this piece.
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var drop_catcher: Control # the DropCatcher node (does the 3D raycast+paint)
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var tray: Node # the ModifierTray (so we can consume on use)
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# The full modifier this piece carries (texture + title + scoring rule).
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var modifier: Resource
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var _dragging := false
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var _home_position := Vector2.ZERO # where it sits in the tray
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var _drag_offset := Vector2.ZERO # cursor-to-corner offset so it doesn't snap
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func _ready() -> void:
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mouse_filter = Control.MOUSE_FILTER_STOP
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if custom_minimum_size == Vector2.ZERO:
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custom_minimum_size = Vector2(90, 110)
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size = custom_minimum_size
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func _draw() -> void:
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var w := size.x
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var h := size.y
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var inset := w * (1.0 - top_width_ratio) * 0.5
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var points := PackedVector2Array([
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Vector2(inset, 0), Vector2(w - inset, 0),
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Vector2(w, h), Vector2(0, h),
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])
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if paint_texture != null:
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var uvs := PackedVector2Array([
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Vector2(inset / w, 0), Vector2((w - inset) / w, 0),
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Vector2(1, 1), Vector2(0, 1),
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])
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draw_polygon(points, PackedColorArray([Color.WHITE, Color.WHITE, Color.WHITE, Color.WHITE]), uvs, paint_texture)
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else:
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draw_colored_polygon(points, Color(0.8, 0.8, 0.8))
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var outline := points
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outline.append(points[0])
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draw_polyline(outline, Color(0, 0, 0, 0.6), 2.0)
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func _gui_input(event: InputEvent) -> void:
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if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
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if event.pressed:
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_start_drag()
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else:
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_end_drag()
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func _start_drag() -> void:
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_dragging = true
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_home_position = global_position
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_drag_offset = global_position - get_global_mouse_position()
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# top_level lets us move by global_position freely, ignoring the container
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# layout, WITHOUT reparenting (reparenting mid-drag breaks the release event).
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top_level = true
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z_index = 100 # float above everything during drag
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modulate.a = 0.85
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func _end_drag() -> void:
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if not _dragging:
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return
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_dragging = false
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modulate.a = 1.0
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z_index = 0
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# Ask the DropCatcher to try painting wherever we released.
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var painted := false
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print("PIECE released. drop_catcher=", drop_catcher, " modifier=", modifier)
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if drop_catcher == null:
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push_error("Piece has no drop_catcher reference! (tray export not set?)")
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elif not drop_catcher.has_method("apply_modifier_at_screen_pos"):
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push_error("drop_catcher has no apply_modifier_at_screen_pos method.")
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else:
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painted = drop_catcher.apply_modifier_at_screen_pos(get_global_mouse_position(), modifier)
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if painted:
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# Used successfully: consume this round's modifier choices.
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if tray and tray.has_method("consume"):
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tray.consume()
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else:
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queue_free()
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else:
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# Missed the board: snap back home.
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top_level = false
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global_position = _home_position
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func _process(_delta: float) -> void:
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if _dragging:
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global_position = get_global_mouse_position() + _drag_offset
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