Function IsValidConsoleColour

src/console_gui.cpp:538–551

* Check whether the given TextColour is valid for console usage. * @param c The text colour to compare to. * @return true iff the TextColour is valid for console usage. */

 * @return true iff the TextColour is valid for console usage.
 */
bool IsValidConsoleColour(TextColour c)
{
	/* A normal text colour is used. */
	if (!(c & TC_IS_PALETTE_COLOUR)) return TC_BEGIN <= c && c < TC_END;

	/* A text colour from the palette is used; must be the company
	 * colour gradient, so it must be one of those. */
	c &= ~TC_IS_PALETTE_COLOUR;
	for (Colours i = COLOUR_BEGIN; i < COLOUR_END; i++) {
		if (GetColourGradient(i, SHADE_NORMAL).p == c) return true;
	}

	return false;
}