[WorkbenchPluginAttribute(name: "Validate Rereintroduced scenario", wbModules: {"WorldEditor"})]
class ERR_ValidateWorldPlugin : WorldEditorPlugin
{
	protected bool m_Obstructed;
	protected bool CheckClearance(IEntity entity)
	{
		if (entity && entity.GetVObject()) m_Obstructed = true;
		return !m_Obstructed;
	}
	override void Run() { Validate(); }
	override void RunCommandline() { Validate(); }
	protected void Validate()
	{
		WorldEditor editor = Workbench.GetModule(WorldEditor);
		if (!editor) { Print("ERR VALIDATION: World Editor missing", LogLevel.ERROR); return; }
		WorldEditorAPI api = editor.GetApi();
		if (!api) { Print("ERR VALIDATION: world API missing", LogLevel.ERROR); return; }
		PrintFormat("ERR VALIDATION: prison terrain=%1, radio terrain=%2, extraction terrain=%3", api.GetTerrainSurfaceY(6090,7160), api.GetTerrainSurfaceY(6500,7200), api.GetTerrainSurfaceY(7000,7500));
		for (int dx = -6; dx <= 6; dx += 3)
			for (int dz = -6; dz <= 6; dz += 3)
				PrintFormat("ERR TERRAIN: x=%1 z=%2 y=%3", 6090 + dx, 7160 + dz, api.GetTerrainSurfaceY(6090 + dx, 7160 + dz));
		float bestSlope = 1000;
		vector bestPosition;
		for (int x = 5800; x <= 6200; x += 10)
		{
			for (int z = 6800; z <= 7200; z += 10)
			{
				float low = 10000;
				float high = -10000;
				for (int sx = -9; sx <= 9; sx += 3)
					for (int sz = -15; sz <= 9; sz += 3)
					{
						float height = api.GetTerrainSurfaceY(x + sx, z + sz);
						low = Math.Min(low, height);
						high = Math.Max(high, height);
					}
				if (low > 5 && high - low < bestSlope)
				{
					m_Obstructed = false;
					api.GetWorld().QueryEntitiesByAABB(Vector(x - 10, low + 0.1, z - 16), Vector(x + 10, high + 5, z + 10), CheckClearance);
					if (m_Obstructed) continue;
					bestSlope = high - low;
					bestPosition = Vector(x, api.GetTerrainSurfaceY(x, z), z);
				}
			}
		}
		PrintFormat("ERR SITE CANDIDATE: position=%1 elevationRange=%2", bestPosition, bestSlope);
		string play;
		if (System.GetCLIParam("errPlay", play) && play == "1") editor.SwitchToGameMode();
	}
}