4 

     4 

     5 #include "stdafx.h"

     5 #include "stdafx.h"

     6 #include <math.h>

     6 #include <math.h>

     7 #include "openttd.h"

     7 #include "openttd.h"

     8 #include "clear_map.h"

     8 #include "clear_map.h"

    10 #include "map.h"

     9 #include "map.h"

    11 #include "table/strings.h"

    10 #include "table/strings.h"

    12 #include "clear_map.h"

    11 #include "clear_map.h"

    13 #include "variables.h"

    12 #include "variables.h"

    14 #include "void_map.h"

    13 #include "void_map.h"

    15 #include "tgp.h"

    14 #include "tgp.h"

    16 #include "console.h"

    15 #include "console.h"

    17 #include "genworld.h"

    16 #include "genworld.h"

    18 #include "core/alloc_func.hpp"

    17 #include "core/alloc_func.hpp"

    19 

    19 

    20 /*

    20 /*

    21  *

    21  *

    22  * Quickie guide to Perlin Noise

    22  * Quickie guide to Perlin Noise

    23  * Perlin noise is a predictable pseudo random number sequence. By generating

    23  * Perlin noise is a predictable pseudo random number sequence. By generating