def gen(rng, dim=(500, 150), num_mountain_ranges=5, num_guaranteed_paths=5, num_lakes=20, num_rivers=20, num_cities=20, num_forests=30, num_deserts=60, terrain_info=default_terrain_info): margin = int(dim[1] / 4) range_dist = int(dim[0] / (num_mountain_ranges + 1)) max_point_offset = int(range_dist / 10) ending_point = clamp_point(dim, (int(range_dist / 2) + rng.randint(-max_point_offset, max_point_offset), rng.randint(margin, dim[1] - margin))) starting_point = clamp_point(dim, (dim[0] - int(range_dist / 2) + rng.randint(-max_point_offset, max_point_offset), rng.randint(margin, dim[1] - margin))) noise = tcod.noise.Noise(2, seed=rng) height = make_base_heightmap(dim, noise) height_pather = tcod.path.AStar(height) mountain_spines = carve_mountains(height, dim, num_mountain_ranges, height_pather, rng) lake_points = carve_lakes(height, dim, num_mountain_ranges, height_pather, rng) height[:] += 1 smooth(height, dim, rng) norm_height = tcod.heightmap_new(*dim) tcod.heightmap_copy(height, norm_height) tcod.heightmap_normalize(norm_height, 0, 1) terrain = tilemap.Tilemap(dim, init=lambda _: things.desert) assign_base_terrain(terrain, norm_height, dim, terrain_info) make_forests(terrain, height, dim, num_forests, height_pather, rng) run_rivers(terrain, height, lake_points, dim, num_rivers, rng, max_x_offset=range_dist) walkability = make_walk_map(terrain, height, dim) walk_pather = tcod.path.AStar(walkability) make_guaranteed_paths(terrain, height, dim, starting_point, ending_point, num_guaranteed_paths, num_mountain_ranges, walk_pather, rng) make_deserts(terrain, height, dim, num_deserts, height_pather, rng) city_points = make_cities(terrain, dim, num_cities, rng, range_dist) make_roads(terrain, height, city_points, dim, walk_pather, rng) return terrain, starting_point, ending_point, city_points, mountain_spines
def make_walk_map(terrain, height, dim, water_cost=100): walkability = tcod.heightmap_new(*dim) tcod.heightmap_copy(height, walkability) for x in range(dim[0]): for y in range(dim[1]): if terrain[x, y] == things.water: walkability[y, x] = water_cost return walkability
def run_rivers(terrain, height, lake_points, dim, num_rivers, rng, max_x_offset): blocking = tcod.heightmap_new(*dim) tcod.heightmap_copy(height, blocking) pather = tcod.path.AStar(blocking, diagonal=100) for i in range(num_rivers): start = lake_points[rng.randint(0, len(lake_points) - 1)] end = clamp_point(dim, (max(0, min(dim[0], start[0] + rng.randint(-max_x_offset, max_x_offset))), rng.randint(0, dim[1] - 1))) left_source = False for x, y in pather.get_path(start[0], start[1], end[0], end[1]): if (terrain[x, y] == things.water and left_source) or terrain[x, y] == things.mountains: break if terrain[x, y] != things.water: left_source = True terrain[x, y] = things.water tcod.heightmap_dig_hill(blocking, x, y, 4, 100)
def test_heightmap():
hmap = libtcodpy.heightmap_new(16, 16)
repr(hmap)
noise = libtcodpy.noise_new(2)
# basic operations
libtcodpy.heightmap_set_value(hmap, 0, 0, 1)
libtcodpy.heightmap_add(hmap, 1)
libtcodpy.heightmap_scale(hmap, 1)
libtcodpy.heightmap_clear(hmap)
libtcodpy.heightmap_clamp(hmap, 0, 0)
libtcodpy.heightmap_copy(hmap, hmap)
libtcodpy.heightmap_normalize(hmap)
libtcodpy.heightmap_lerp_hm(hmap, hmap, hmap, 0)
libtcodpy.heightmap_add_hm(hmap, hmap, hmap)
libtcodpy.heightmap_multiply_hm(hmap, hmap, hmap)
# modifying the heightmap
libtcodpy.heightmap_add_hill(hmap, 0, 0, 4, 1)
libtcodpy.heightmap_dig_hill(hmap, 0, 0, 4, 1)
libtcodpy.heightmap_rain_erosion(hmap, 1, 1, 1)
libtcodpy.heightmap_kernel_transform(hmap, 3, [-1, 1, 0], [0, 0, 0],
[.33, .33, .33], 0, 1)
libtcodpy.heightmap_add_voronoi(hmap, 10, 3, [1,3,5])
libtcodpy.heightmap_add_fbm(hmap, noise, 1, 1, 1, 1, 4, 1, 1)
libtcodpy.heightmap_scale_fbm(hmap, noise, 1, 1, 1, 1, 4, 1, 1)
libtcodpy.heightmap_dig_bezier(hmap, [0, 16, 16, 0], [0, 0, 16, 16],
1, 1, 1, 1)
# read data
libtcodpy.heightmap_get_value(hmap, 0, 0)
libtcodpy.heightmap_get_interpolated_value(hmap, 0, 0)
libtcodpy.heightmap_get_slope(hmap, 0, 0)
libtcodpy.heightmap_get_normal(hmap, 0, 0, 0)
libtcodpy.heightmap_count_cells(hmap, 0, 0)
libtcodpy.heightmap_has_land_on_border(hmap, 0)
libtcodpy.heightmap_get_minmax(hmap)
libtcodpy.noise_delete(noise)
libtcodpy.heightmap_delete(hmap)
def test_heightmap():
hmap = libtcodpy.heightmap_new(16, 16)
repr(hmap)
noise = libtcodpy.noise_new(2)
# basic operations
libtcodpy.heightmap_set_value(hmap, 0, 0, 1)
libtcodpy.heightmap_add(hmap, 1)
libtcodpy.heightmap_scale(hmap, 1)
libtcodpy.heightmap_clear(hmap)
libtcodpy.heightmap_clamp(hmap, 0, 0)
libtcodpy.heightmap_copy(hmap, hmap)
libtcodpy.heightmap_normalize(hmap)
libtcodpy.heightmap_lerp_hm(hmap, hmap, hmap, 0)
libtcodpy.heightmap_add_hm(hmap, hmap, hmap)
libtcodpy.heightmap_multiply_hm(hmap, hmap, hmap)
# modifying the heightmap
libtcodpy.heightmap_add_hill(hmap, 0, 0, 4, 1)
libtcodpy.heightmap_dig_hill(hmap, 0, 0, 4, 1)
libtcodpy.heightmap_rain_erosion(hmap, 1, 1, 1)
libtcodpy.heightmap_kernel_transform(hmap, 3, [-1, 1, 0], [0, 0, 0],
[.33, .33, .33], 0, 1)
libtcodpy.heightmap_add_voronoi(hmap, 10, 3, [1, 3, 5])
libtcodpy.heightmap_add_fbm(hmap, noise, 1, 1, 1, 1, 4, 1, 1)
libtcodpy.heightmap_scale_fbm(hmap, noise, 1, 1, 1, 1, 4, 1, 1)
libtcodpy.heightmap_dig_bezier(hmap, [0, 16, 16, 0], [0, 0, 16, 16], 1, 1,
1, 1)
# read data
libtcodpy.heightmap_get_value(hmap, 0, 0)
libtcodpy.heightmap_get_interpolated_value(hmap, 0, 0)
libtcodpy.heightmap_get_slope(hmap, 0, 0)
libtcodpy.heightmap_get_normal(hmap, 0, 0, 0)
libtcodpy.heightmap_count_cells(hmap, 0, 0)
libtcodpy.heightmap_has_land_on_border(hmap, 0)
libtcodpy.heightmap_get_minmax(hmap)
libtcodpy.noise_delete(noise)
libtcodpy.heightmap_delete(hmap)
def copy(self):
nhm = Heightmap(self.width, self.height)
tcod.heightmap_copy(self._data, nhm._data)
return nhm
def copy(self):
h_new = Heightmap(self.width, self.height)
tcod.heightmap_copy(self._data, h_new._data)
return h_new
