Function _SetGeneratingWorldProgress

src/genworld_gui.cpp:1463–1515

}

static void _SetGeneratingWorldProgress(GenWorldProgress cls, uint progress, uint total)
{
	static const int percent_table[] = {0, 5, 14, 17, 20, 40, 55, 60, 65, 80, 85, 95, 99, 100 };
	static_assert(lengthof(percent_table) == GWP_CLASS_COUNT + 1);
	assert(cls < GWP_CLASS_COUNT);

	/* Check if we really are generating the world.
	 * For example, placing trees via the SE also calls this function, but
	 * shouldn't try to update the progress.
	 */
	if (!HasModalProgress()) return;

	if (IsGeneratingWorldAborted()) {
		HandleGeneratingWorldAbortion();
		return;
	}

	if (total == 0) {
		assert(GenWorldStatus::cls == _generation_class_table[cls]);
		GenWorldStatus::current += progress;
		assert(GenWorldStatus::current <= GenWorldStatus::total);
	} else {
		GenWorldStatus::cls     = _generation_class_table[cls];
		GenWorldStatus::current = progress;
		GenWorldStatus::total   = total;
		GenWorldStatus::percent = percent_table[cls];
	}

	/* Percentage is about the number of completed tasks, so 'current - 1' */
	GenWorldStatus::percent = percent_table[cls] + (percent_table[cls + 1] - percent_table[cls]) * (GenWorldStatus::current == 0 ? 0 : GenWorldStatus::current - 1) / GenWorldStatus::total;

	if (_network_dedicated) {
		static uint last_percent = 0;

		/* Never display 0% */
		if (GenWorldStatus::percent == 0) return;
		/* Reset if percent is lower than the last recorded */
		if (GenWorldStatus::percent < last_percent) last_percent = 0;
		/* Display every 5%, but 6% is also very valid.. just not smaller steps than 5% */
		if (GenWorldStatus::percent % 5 != 0 && GenWorldStatus::percent <= last_percent + 5) return;
		/* Never show steps smaller than 2%, even if it is a mod 5% */
		if (GenWorldStatus::percent <= last_percent + 2) return;

		Debug(net, 3, "Map generation percentage complete: {}", GenWorldStatus::percent);
		last_percent = GenWorldStatus::percent;

		return;
	}

	SetWindowDirty(WC_MODAL_PROGRESS, 0);

	VideoDriver::GetInstance()->GameLoopPause();
}

/**
 * Set the total of a stage of the world generation.