Deltarune (Chapter 3) script viewer

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gml_GlobalScript_centery

(view raw script w/o annotations or w/e)
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function centery()
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{
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    var trueycenter;
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    if (argument_count == 0)
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    {
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        var y1 = y - (sprite_get_yoffset(sprite_index) * image_yscale);
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        var y2 = y1 + sprite_height;
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        trueycenter = (y1 + y2) / 2;
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    }
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    if (argument_count == 1)
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    {
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        var y1 = y - (sprite_get_yoffset(argument0.sprite_index) * argument0.image_yscale);
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        var y2 = y1 + (sprite_get_height(argument0.sprite_index) * argument0.image_yscale);
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        trueycenter = (y1 + y2) / 2;
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    }
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    if (argument_count == 2)
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    {
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        if (argument[1] != 0)
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            trueycenter = (bbox_top + bbox_bottom) / 2;
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    }
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    return trueycenter;
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}