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 generate_global_map(shape: tuple) -> typing.List[typing.List[Tile]]:
"""Return simple rectangular map with shape shape
Precondition: len(shape)==2
"""
# create height map
global_map = tcod.heightmap_new(shape[0], shape[1])
# voroni
tcod.heightmap_add_voronoi(global_map,
2,
2, [0.1, 1.5, 0.6, 1.7, 0.8],
rnd=0)
# normalize
tcod.heightmap_normalize(global_map)
# assign TILE to every value of heightmap
tile_map = []
for row in global_map:
holder = []
for value in row:
if value > UPPER_BOUND:
holder.append(Tile(True))
elif value > MID_BOUND:
holder.append(Tile(True, block_sight=False))
else:
holder.append(Tile(False))
tile_map.append(holder)
return tile_map
def precipitation(precip_heightmap, temp_heightmap):
precip_heightmap[:] += 2
for x in range(WORLD_WIDTH):
for y in range(WORLD_HEIGHT):
temp = tcod.heightmap_get_value(temp_heightmap, x, y)
precipitation = tcod.noise_new(2, tcod.NOISE_DEFAULT_HURST,
tcod.NOISE_DEFAULT_LACUNARITY)
tcod.heightmap_add_fbm(precip_heightmap, precipitation, 2, 2, 0, 0, 32, 1,
1)
tcod.heightmap_normalize(precip_heightmap, 0.0, 1.0)
return precip_heightmap, temp_heightmap
def smooth_map(self):
# 3x3 kernel for smoothing operations
smooth_ks = 9
smooth_dx = [-1, 0, 1, -1, 0, 1, -1, 0, 1]
smooth_dy = [-1, -1, -1, 0, 0, 0, 1, 1, 1]
smooth_weight = [2, 8, 2, 8, 20, 8, 2, 8, 2]
tcod.heightmap_kernel_transform(self._hm, smooth_ks, smooth_dx,
smooth_dy, smooth_weight, -1000, 1000)
tcod.heightmap_kernel_transform(self._hm2, smooth_ks, smooth_dx,
smooth_dy, smooth_weight, -1000, 1000)
tcod.heightmap_normalize(self._hm)
def normalize(self, min=0.0, max=1.0):
"""Normalize heightmap values between <min> and <max>.
The heightmap is translated and scaled so that the lowest
cell value becomes min and the highest cell value becomes max
min < max."""
# max(data)*m+b = max
# max-max(data)*m = b
# -
# min(data)*m+b = min
# min(data)*m+max-max(data)*m=min
# m*(min(data)-max(data)) = min-max
# m = (min-max)/(min(data)-max(data))
tcod.heightmap_normalize(self._data, min, max)
def Percipitaion(preciphm, temphm):
tcod.heightmap_add(preciphm, 2)
for x in range(WORLD_WIDTH):
for y in range(WORLD_HEIGHT):
temp = tcod.heightmap_get_value(temphm, x, y)
precip = tcod.noise_new(2, tcod.NOISE_DEFAULT_HURST,
tcod.NOISE_DEFAULT_LACUNARITY)
# tcod.heightmap_add_fbm(preciphm,precip ,2, 2, 0, 0, 32, 1, 1)
tcod.heightmap_normalize(preciphm, 0.0, 1.0)
def make_base_heightmap(dim, noise): height = tcod.heightmap_new(*dim) height[:] = 1 tcod.heightmap_add_fbm(height, noise = noise, mulx = 6, muly = 6, addx = 0, addy = 0, octaves = 5, delta = 0, scale = 1 ) tcod.heightmap_normalize(height, 0.1, 1.5) return height
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 smooth_precipitations(self):
temphm = self._precipitation.copy()
hm_data = self._precipitation
for i in range(4, 0, -1):
for x in range(self.width):
minx = max((0, x - 2))
maxx = min((self.width - 1, x + 2))
miny = 0
maxy = 2
psum = np.sum(hm_data[minx:maxx, miny:maxy])
pcount = (maxy - miny) * (maxx - minx)
temphm[x, 0] = psum / pcount
for y in range(1, self.height):
if (y - 2) >= 0:
psum -= np.sum(hm_data[minx:maxx, y - 2])
pcount -= (maxx - minx)
if (y + 2) < self.height:
psum += np.sum(hm_data[minx:maxx, y + 2])
pcount += (maxx - minx)
temphm[y, x] = psum / pcount
self._precipitation = temphm.copy()
tcod.heightmap_normalize(self._precipitation)
def build_base_map(self, hill_cnt=60):
self.add_land(hill_cnt, 16 * self.width / 200, 0.7, 0.6)
tcod.heightmap_normalize(self._hm)
tcod.heightmap_add_fbm(self._hm, noise2d, 2.20 * self.width / 400,
2.2 * self.width / 400, 0, 0, 10, 1.0, 2.05)
tcod.heightmap_normalize(self._hm)
self._hm2 = self._hm.copy()
self.set_land_mass(0.6, SAND_HEIGHT)
# Fix land/mountain ratio using x^3 curve above sea level
for x in range(self.width):
for y in range(self.height):
h = self._hm[y, x]
if h >= SAND_HEIGHT:
coef = (h - SAND_HEIGHT) / (1.0 - SAND_HEIGHT)
h = SAND_HEIGHT + coef * coef * coef * (1.0 - SAND_HEIGHT)
self._hm[y, x] = h
f = [0, 0]
for x in range(self.width):
f[0] = 6.0 * x / self.width
for y in range(self.height):
f[1] = 6.0 * y / self.height
self._clouds[y, x] = 0.5 * (1.0 + 0.8 * tcod.noise_get_fbm(
noise2d, f, 4.0, tcod.NOISE_SIMPLEX))
def MasterWorldGen(): # ------------------------------------------------------- * MASTER GEN * -------------------------------------------------------------
print(" * World Gen START * ")
starttime = time.time()
# Heightmap
hm = tcod.heightmap_new(WORLD_WIDTH, WORLD_HEIGHT)
for i in range(250):
tcod.heightmap_add_hill(
hm,
randint(WORLD_WIDTH / 10, WORLD_WIDTH - WORLD_WIDTH / 10),
randint(WORLD_HEIGHT / 10, WORLD_HEIGHT - WORLD_HEIGHT / 10),
randint(12, 16),
randint(6, 10),
)
print("- Main Hills -")
for i in range(1000):
tcod.heightmap_add_hill(
hm,
randint(WORLD_WIDTH / 10, WORLD_WIDTH - WORLD_WIDTH / 10),
randint(WORLD_HEIGHT / 10, WORLD_HEIGHT - WORLD_HEIGHT / 10),
randint(2, 4),
randint(6, 10),
)
print("- Small Hills -")
tcod.heightmap_normalize(hm, 0.0, 1.0)
noisehm = tcod.heightmap_new(WORLD_WIDTH, WORLD_HEIGHT)
noise2d = tcod.noise_new(
2, tcod.NOISE_DEFAULT_HURST, tcod.NOISE_DEFAULT_LACUNARITY
)
# tcod.heightmap_add_fbm(noisehm, noise2d,6, 6, 0, 0, 32, 1, 1)
tcod.heightmap_normalize(noisehm, 0.0, 1.0)
# tcod.heightmap_multiply_hm(hm, noisehm, hm)
print("- Apply Simplex -")
PoleGen(hm, 0)
print("- South Pole -")
PoleGen(hm, 1)
print("- North Pole -")
TectonicGen(hm, 0)
TectonicGen(hm, 1)
print("- Tectonic Gen -")
tcod.heightmap_rain_erosion(hm, WORLD_WIDTH * WORLD_HEIGHT, 0.07, 0, 0)
print("- Erosion -")
tcod.heightmap_clamp(hm, 0.0, 1.0)
# Temperature
temp = tcod.heightmap_new(WORLD_WIDTH, WORLD_HEIGHT)
Temperature(temp, hm)
tcod.heightmap_normalize(temp, 0.0, 1.0)
print("- Temperature Calculation -")
# Precipitation
preciphm = tcod.heightmap_new(WORLD_WIDTH, WORLD_HEIGHT)
Percipitaion(preciphm, temp)
tcod.heightmap_normalize(preciphm, 0.0, 1.0)
print("- Percipitaion Calculation -")
# Drainage
drainhm = tcod.heightmap_new(WORLD_WIDTH, WORLD_HEIGHT)
drain = tcod.noise_new(
2, tcod.NOISE_DEFAULT_HURST, tcod.NOISE_DEFAULT_LACUNARITY
)
# tcod.heightmap_add_fbm(drainhm,drain ,2, 2, 0, 0, 32, 1, 1)
tcod.heightmap_normalize(drainhm, 0.0, 1.0)
print("- Drainage Calculation -")
# VOLCANISM - RARE AT SEA FOR NEW ISLANDS (?) RARE AT MOUNTAINS > 0.9 (?) RARE AT TECTONIC BORDERS (?)
elapsed_time = time.time() - starttime
print(" * World Gen DONE * in: ", elapsed_time, " seconds")
# Initialize Tiles with Map values
World = [[0 for y in range(WORLD_HEIGHT)] for x in range(WORLD_WIDTH)]
for x in range(WORLD_WIDTH):
for y in range(WORLD_HEIGHT):
World[x][y] = Tile(
tcod.heightmap_get_value(hm, x, y),
tcod.heightmap_get_value(temp, x, y),
tcod.heightmap_get_value(preciphm, x, y),
tcod.heightmap_get_value(drainhm, x, y),
0,
)
print("- Tiles Initialized -")
# Prosperity
Prosperity(World)
print("- Prosperity Calculation -")
# Biome info to Tile
for x in range(WORLD_WIDTH):
for y in range(WORLD_HEIGHT):
if (
World[x][y].precip >= 0.10
and World[x][y].precip < 0.33
and World[x][y].drainage < 0.5
):
World[x][y].biomeID = 3
if randint(1, 2) == 2:
World[x][y].biomeID = 16
if World[x][y].precip >= 0.10 and World[x][y].precip > 0.33:
World[x][y].biomeID = 2
if World[x][y].precip >= 0.66:
World[x][y].biomeID = 1
if (
World[x][y].precip >= 0.33
and World[x][y].precip < 0.66
and World[x][y].drainage >= 0.33
):
World[x][y].biomeID = 15
if randint(1, 5) == 5:
World[x][y].biomeID = 5
if (
World[x][y].temp > 0.2
and World[x][y].precip >= 0.66
and World[x][y].drainage > 0.33
):
World[x][y].biomeID = 5
if World[x][y].precip >= 0.75:
World[x][y].biomeID = 6
if randint(1, 5) == 5:
World[x][y].biomeID = 15
if (
World[x][y].precip >= 0.10
and World[x][y].precip < 0.33
and World[x][y].drainage >= 0.5
):
World[x][y].biomeID = 16
if randint(1, 2) == 2:
World[x][y].biomeID = 14
if World[x][y].precip < 0.10:
World[x][y].biomeID = 4
if World[x][y].drainage > 0.5:
World[x][y].biomeID = 16
if randint(1, 2) == 2:
World[x][y].biomeID = 14
if World[x][y].drainage >= 0.66:
World[x][y].biomeID = 8
if World[x][y].height <= 0.2:
World[x][y].biomeID = 0
if World[x][y].temp <= 0.2 and World[x][y].height > 0.15:
World[x][y].biomeID = randint(11, 13)
if World[x][y].height > 0.6:
World[x][y].biomeID = 9
if World[x][y].height > 0.9:
World[x][y].biomeID = 10
print("- BiomeIDs Atributed -")
# River Gen
for x in range(1):
RiverGen(World)
print("- River Gen -")
# Free Heightmaps
tcod.heightmap_delete(hm)
tcod.heightmap_delete(temp)
tcod.heightmap_delete(noisehm)
print(" * Biomes/Rivers Sorted *")
return World
def normalize(self, min=0.0, max=1.0):
tcod.heightmap_normalize(self._data, min, max)
return self
