87 lines
2.1 KiB
GDScript
Vendored
87 lines
2.1 KiB
GDScript
Vendored
@tool
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extends Control
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## Runtime helper attached by control_draw_recipe.
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## Reads an array of op dicts from node metadata under key "_ops" and dispatches
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## each to a CanvasItem draw call in _draw(). The ops list is set by the handler
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## via set_meta; this script is deterministic — re-setting meta + queue_redraw
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## is enough to update the visuals.
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const META_KEY := "_ops"
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func _ready() -> void:
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queue_redraw()
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func _draw() -> void:
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if not has_meta(META_KEY):
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return
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var ops: Variant = get_meta(META_KEY)
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if typeof(ops) != TYPE_ARRAY:
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return
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for op in ops:
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if typeof(op) != TYPE_DICTIONARY:
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continue
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match op.get("draw", ""):
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"line":
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draw_line(
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op.from,
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op.to,
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op.color,
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float(op.get("width", 1.0)),
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bool(op.get("antialiased", false))
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)
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"rect":
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# Godot warns if `width` is passed when `filled` is true —
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# width has no effect on filled rects. Split the call so we
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# only pass width when stroking an outline.
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var filled := bool(op.get("filled", true))
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if filled:
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draw_rect(op.rect, op.color, true)
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else:
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draw_rect(
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op.rect,
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op.color,
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false,
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float(op.get("width", 1.0))
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)
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"arc":
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draw_arc(
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op.center,
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float(op.radius),
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float(op.start_angle),
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float(op.end_angle),
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int(op.get("point_count", 32)),
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op.color,
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float(op.get("width", 1.0)),
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bool(op.get("antialiased", false))
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)
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"circle":
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draw_circle(op.center, float(op.radius), op.color)
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"polyline":
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draw_polyline(
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op.points,
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op.color,
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float(op.get("width", 1.0)),
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bool(op.get("antialiased", false))
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)
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"polygon":
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var colors: PackedColorArray = (
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op.colors if op.has("colors") else PackedColorArray([op.color])
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)
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draw_polygon(op.points, colors)
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"string":
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var font: Font = get_theme_default_font()
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if font == null:
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continue
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draw_string(
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font,
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op.position,
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str(op.text),
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int(op.get("align", HORIZONTAL_ALIGNMENT_LEFT)),
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float(op.get("max_width", -1.0)),
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int(op.get("font_size", 16)),
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op.color
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)
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