def Percipitaion(preciphm, temphm):
libtcod.heightmap_add(preciphm, 2)
for x in xrange(WORLD_WIDTH):
for y in xrange(WORLD_HEIGHT):
temp = libtcod.heightmap_get_value(temphm, x, y)
precip = libtcod.noise_new(2, libtcod.NOISE_DEFAULT_HURST,
libtcod.NOISE_DEFAULT_LACUNARITY)
libtcod.heightmap_add_fbm(preciphm, precip, 2, 2, 0, 0, 32, 1, 1)
libtcod.heightmap_normalize(preciphm, 0.0, 1.0)
return
def Percipitaion(preciphm):
libtcod.heightmap_add(preciphm, 2)
for x in xrange(WORLD_WIDTH):
for y in xrange(WORLD_HEIGHT):
if y > WORLD_HEIGHT/2 - WORLD_HEIGHT/10 and y < WORLD_HEIGHT/2 + WORLD_HEIGHT/10:
val = y
val = abs(y - WORLD_HEIGHT/2)
libtcod.heightmap_set_value(preciphm, x, y, val/4)
precip = libtcod.noise_new(2,libtcod.NOISE_DEFAULT_HURST, libtcod.NOISE_DEFAULT_LACUNARITY)
libtcod.heightmap_add_fbm(preciphm,precip ,8, 8, 0, 0, 32, 1, 1)
libtcod.heightmap_normalize(preciphm, 0.0, 1.0)
return
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_atmosphere(self, width, height):
if self.planet_class in ['terran', 'ocean', 'jungle', 'tundra', 'artic'] :
atmosphere = self.spherical_noise(
noise_dx=10.0,
noise_dy=10.0,
noise_dz=10.0,
noise_octaves=4.0,
noise_zoom=2.0,
noise_hurst=self.noise_hurst,
noise_lacunarity=self.noise_lacunarity,
width=width,
height=height )
libtcod.heightmap_normalize(atmosphere, 0, 1.0)
libtcod.heightmap_add(atmosphere,0.30)
libtcod.heightmap_clamp(atmosphere,0.4,1.0)
return atmosphere
elif self.planet_class in ['arid', 'desert']:
atmosphere = self.spherical_noise(
noise_dx=10.0,
noise_dy=10.0,
noise_dz=10.0,
noise_octaves=4.0,
noise_zoom=2.0,
noise_hurst=self.noise_hurst,
noise_lacunarity=self.noise_lacunarity,
width=width,
height=height )
libtcod.heightmap_normalize(atmosphere, 0, 1.0)
libtcod.heightmap_add(atmosphere,0.7)
libtcod.heightmap_clamp(atmosphere,0.8,1.0)
return atmosphere
else:
return None
def build_heightmap(self, width, height):
hm = self.spherical_noise(
self.noise_dx,
self.noise_dy,
self.noise_dz,
self.noise_octaves,
self.noise_zoom,
self.noise_hurst,
self.noise_lacunarity,
width,
height)
if self.planet_class == 'terran':
libtcod.heightmap_normalize(hm, 0, 1.0)
libtcod.heightmap_add(hm,-0.40)
libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 1000 if width == self.detail_heightmap_width else 100
libtcod.heightmap_rain_erosion(hm,1000,0.46,0.12,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'ocean':
libtcod.heightmap_normalize(hm, 0, 1.0)
libtcod.heightmap_add(hm,-0.40)
libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 3000 if width == self.detail_heightmap_width else 1000
libtcod.heightmap_rain_erosion(hm,3000,0.46,0.12,self.rnd)
libtcod.heightmap_normalize(hm, 0, 200)
elif self.planet_class == 'jungle':
libtcod.heightmap_normalize(hm, 0, 1.0)
libtcod.heightmap_add(hm,0.20)
libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 3000 if width == self.detail_heightmap_width else 1000
libtcod.heightmap_rain_erosion(hm,raindrops,0.25,0.05,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'lava':
libtcod.heightmap_normalize(hm, 0, 1.0)
raindrops = 1000 if width == self.detail_heightmap_width else 500
libtcod.heightmap_rain_erosion(hm,raindrops,0.65,0.05,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'tundra':
libtcod.heightmap_normalize(hm, 0, 1.0)
# libtcod.heightmap_add(hm,0.20)
# libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 2000 if width == self.detail_heightmap_width else 50
libtcod.heightmap_rain_erosion(hm,raindrops,0.45,0.05,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'arid':
libtcod.heightmap_normalize(hm, 0, 1.0)
libtcod.heightmap_add(hm,0.20)
libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 2000 if width == self.detail_heightmap_width else 50
libtcod.heightmap_rain_erosion(hm,raindrops,0.45,0.05,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'desert':
libtcod.heightmap_normalize(hm, 0, 1.0)
libtcod.heightmap_add(hm,0.15)
libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 1000 if width == self.detail_heightmap_width else 50
libtcod.heightmap_rain_erosion(hm,raindrops,0.10,0.10,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'artic':
libtcod.heightmap_normalize(hm, 0, 1.0)
libtcod.heightmap_add(hm,0.40)
libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 1000 if width == self.detail_heightmap_width else 100
libtcod.heightmap_rain_erosion(hm,raindrops,0.45,0.05,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'barren':
libtcod.heightmap_normalize(hm, 0, 1.0)
# libtcod.heightmap_add(hm,0.40)
# libtcod.heightmap_clamp(hm,0.0,1.0)
raindrops = 2000 if width == self.detail_heightmap_width else 500
libtcod.heightmap_rain_erosion(hm,raindrops,0.45,0.05,self.rnd)
libtcod.heightmap_normalize(hm, 0, 255)
elif self.planet_class == 'gas giant':
libtcod.heightmap_normalize(hm, 0, 1.0)
# libtcod.heightmap_add(hm,0.40)
# libtcod.heightmap_clamp(hm,0.0,1.0)
# # 3x3 kernel for smoothing operations
smoothKernelSize = 9
smoothKernelDx = [
-1, 0, 1,
-1, 0, 1,
-1, 0, 1
]
# smoothKernelDy = [
# -1, -1, -1,
# 0, 0, 0,
# 1, 1, 1
# ]
smoothKernelDy = [
0, 0, 0,
0, 0, 0,
0, 0, 0,
]
smoothKernelWeight = [
1.0, 2.0, 1.0,
4.0, 20.0, 4.0,
1.0, 2.0, 1.0
]
for i in range(20,-1,-1) :
libtcod.heightmap_kernel_transform(hm,smoothKernelSize,smoothKernelDx,smoothKernelDy,smoothKernelWeight,0,1.0)
libtcod.heightmap_normalize(hm, 0, 255)
else:
libtcod.heightmap_normalize(hm, 0, 255)
return hm