Function MakeHeightmapScreenshot

src/screenshot.cpp:314–334

* Make a heightmap of the current map. * @param filename Filename to use for saving. */

 * @param filename Filename to use for saving.
 */
bool MakeHeightmapScreenshot(std::string_view filename)
{
	auto provider = GetScreenshotProvider();
	if (provider == nullptr) return false;

	Colour palette[256];
	for (uint i = 0; i < lengthof(palette); i++) {
		palette[i].a = 0xff;
		palette[i].r = i;
		palette[i].g = i;
		palette[i].b = i;
	}

	_heightmap_highest_peak = 0;
	for (const auto tile : Map::Iterate()) {
		uint h = TileHeight(tile);
		_heightmap_highest_peak = std::max(h, _heightmap_highest_peak);
	}

	return provider->MakeImage(filename, HeightmapCallback, Map::SizeX(), Map::SizeY(), 8, palette);
}

static ScreenshotType _confirmed_screenshot_type; ///< Screenshot type the current query is about to confirm.