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 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 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 add_fbm(self, noise, mulx, muly, addx, addy, octaves, delta, scale):
"Perturb by adding fbm noise values."
tcod.heightmap_add_fbm(self._data, noise, mulx, muly, addx, addy, octaves, delta, scale)
def add_fbm(self, noise, mulx, muly, addx, addy, octaves, delta, scale):
tcod.heightmap_add_fbm(self._data, noise, mulx, muly, addx, addy, octaves, delta, scale)
return self