Method UpdateBackgroundCorners

src/game/client/components/touch_controls.cpp:141–198

}

void CTouchControls::CTouchButton::UpdateBackgroundCorners()
{
	if(m_Shape != EButtonShape::RECT)
	{
		m_BackgroundCorners = IGraphics::CORNER_NONE;
		return;
	}

	// Determine rounded corners based on button layout
	m_BackgroundCorners = IGraphics::CORNER_ALL;

	if(m_UnitRect.m_X == 0)
	{
		m_BackgroundCorners &= ~IGraphics::CORNER_L;
	}
	if(m_UnitRect.m_X + m_UnitRect.m_W == BUTTON_SIZE_SCALE)
	{
		m_BackgroundCorners &= ~IGraphics::CORNER_R;
	}
	if(m_UnitRect.m_Y == 0)
	{
		m_BackgroundCorners &= ~IGraphics::CORNER_T;
	}
	if(m_UnitRect.m_Y + m_UnitRect.m_H == BUTTON_SIZE_SCALE)
	{
		m_BackgroundCorners &= ~IGraphics::CORNER_B;
	}

	const auto &&PointInOrOnRect = [](ivec2 Point, CUnitRect Rect) {
		return Point.x >= Rect.m_X && Point.x <= Rect.m_X + Rect.m_W && Point.y >= Rect.m_Y && Point.y <= Rect.m_Y + Rect.m_H;
	};
	for(const CTouchButton &OtherButton : m_pTouchControls->m_vTouchButtons)
	{
		if(&OtherButton == this || OtherButton.m_Shape != EButtonShape::RECT || !OtherButton.IsVisible())
			continue;

		if((m_BackgroundCorners & IGraphics::CORNER_TL) && PointInOrOnRect(ivec2(m_UnitRect.m_X, m_UnitRect.m_Y), OtherButton.m_UnitRect))
		{
			m_BackgroundCorners &= ~IGraphics::CORNER_TL;
		}
		if((m_BackgroundCorners & IGraphics::CORNER_TR) && PointInOrOnRect(ivec2(m_UnitRect.m_X + m_UnitRect.m_W, m_UnitRect.m_Y), OtherButton.m_UnitRect))
		{
			m_BackgroundCorners &= ~IGraphics::CORNER_TR;
		}
		if((m_BackgroundCorners & IGraphics::CORNER_BL) && PointInOrOnRect(ivec2(m_UnitRect.m_X, m_UnitRect.m_Y + m_UnitRect.m_H), OtherButton.m_UnitRect))
		{
			m_BackgroundCorners &= ~IGraphics::CORNER_BL;
		}
		if((m_BackgroundCorners & IGraphics::CORNER_BR) && PointInOrOnRect(ivec2(m_UnitRect.m_X + m_UnitRect.m_W, m_UnitRect.m_Y + m_UnitRect.m_H), OtherButton.m_UnitRect))
		{
			m_BackgroundCorners &= ~IGraphics::CORNER_BR;
		}
		if(m_BackgroundCorners == IGraphics::CORNER_NONE)
		{
			break;
		}
	}
}