def __init__(self, **object_data):
self.renderer = CoreManager.instance().renderer
self.scene_manager = CoreManager.instance().scene_manager
self.resource_manager = CoreManager.instance().resource_manager
self.name = object_data.get('name', 'terrain')
self.is_render_terrain = object_data.get('is_render_terrain', True)
self.transform = TransformObject()
self.transform.set_pos(object_data.get('pos', [0, 0, 0]))
self.transform.set_rotation(object_data.get('rot', [0, 0, 0]))
self.transform.set_scale(object_data.get('scale', [1, 1, 1]))
self.width = object_data.get('width', 10)
self.height = object_data.get('height', 10)
self.subdivide_level = object_data.get('subdivide_level', 100)
self.height_map_size = np.array(object_data.get(
'height_map_size', [10.0, 10.0]),
dtype=np.float32)
self.instance_offset = None
self.instance_buffer = None
self.terrain_grid = None
self.texture_height_map_name = object_data.get('texture_height_map',
"common.noise")
self.texture_height_map = None
self.terrain_render = None
self.terrain_shadow = None
self.attributes = Attributes()
def set_attribute(self, attribute_name, attribute_value, parent_info, attribute_index):
if attribute_name == 'mesh':
mesh = CoreManager.instance().resource_manager.get_mesh(attribute_value)
if mesh and self.mesh != mesh:
self.set_mesh(mesh)
elif attribute_name == 'material_instances':
material_instance = CoreManager.instance().resource_manager.get_material_instance(
attribute_value[attribute_index])
self.set_material_instance(material_instance, attribute_index)
def set_attribute(self, attribute_name, attribute_value, parent_info,
attribute_index):
if attribute_name in self.macros and self.macros[
attribute_name] != attribute_value:
new_macros = copy.deepcopy(self.macros)
new_macros[attribute_name] = attribute_value
# if macro was changed then create a new material.
CoreManager.instance().resource_manager.get_material(
self.shader_name, new_macros)
def set_attribute(self, attribute_name, attribute_value, item_info_history,
attribute_index):
if attribute_name in self.macros and self.macros[
attribute_name] != attribute_value:
new_macros = copy.deepcopy(self.macros)
new_macros[attribute_name] = attribute_value
# if macro was changed then create a new material.
CoreManager.instance().resource_manager.get_material(
self.shader_name, new_macros)
elif attribute_name in self.uniform_buffers:
uniform_buffer = self.uniform_buffers[attribute_name]
default_value = CreateUniformDataFromString(
uniform_buffer.uniform_type, attribute_value)
uniform_buffer.set_default_value(default_value)
def simulateFFTWaves(self):
framebuffer_manager = CoreManager.instance(
).renderer.framebuffer_manager
RenderTargets = RenderTarget.RenderTargets
fft_a_framebuffer = framebuffer_manager.get_framebuffer(
RenderTargets.FFT_A, RenderTargets.FFT_A, RenderTargets.FFT_A,
RenderTargets.FFT_A, RenderTargets.FFT_A)
fft_b_framebuffer = framebuffer_manager.get_framebuffer(
RenderTargets.FFT_B, RenderTargets.FFT_B, RenderTargets.FFT_B,
RenderTargets.FFT_B, RenderTargets.FFT_B)
# initialize
fft_a_framebuffer.bind_framebuffer()
glClear(GL_COLOR_BUFFER_BIT)
self.fft_init.use_program()
self.fft_init.bind_uniform_data("FFT_SIZE", FFT_SIZE)
self.fft_init.bind_uniform_data("INVERSE_GRID_SIZES",
INVERSE_GRID_SIZES)
self.fft_init.bind_uniform_data("spectrum_1_2_Sampler",
self.texture_spectrum_1_2)
self.fft_init.bind_uniform_data("spectrum_3_4_Sampler",
self.texture_spectrum_3_4)
self.fft_init.bind_uniform_data("t",
self.acc_time * self.simulation_wind)
self.quad.draw_elements()
# # fft passes
self.fft_x.use_program()
self.fft_x.bind_uniform_data("butterflySampler",
self.texture_butterfly)
for i in range(PASSES):
self.fft_x.bind_uniform_data("pass", float(i + 0.5) / PASSES)
if i % 2 == 0:
self.fft_x.bind_uniform_data("imgSampler", RenderTargets.FFT_A)
fft_b_framebuffer.bind_framebuffer()
else:
self.fft_x.bind_uniform_data("imgSampler", RenderTargets.FFT_B)
fft_a_framebuffer.bind_framebuffer()
self.quad.draw_elements()
self.fft_y.use_program()
self.fft_y.bind_uniform_data("butterflySampler",
self.texture_butterfly)
for i in range(PASSES, PASSES * 2, 1):
self.fft_y.bind_uniform_data("pass",
float(i - PASSES + 0.5) / PASSES)
if i % 2 == 0:
self.fft_y.bind_uniform_data("imgSampler", RenderTargets.FFT_A)
fft_b_framebuffer.bind_framebuffer()
else:
self.fft_y.bind_uniform_data("imgSampler", RenderTargets.FFT_B)
fft_a_framebuffer.bind_framebuffer()
self.quad.draw_elements()
RenderTargets.FFT_A.generate_mipmap()
def __init__(self, name, **object_data):
StaticActor.__init__(self, name, **object_data)
self.isRendered = False
if CoreManager.instance().is_basic_mode:
self.texture_probe = None
else:
self.texture_probe = self.generate_texture_probe(self.name)
def set_mesh(self, mesh):
if mesh:
self.mesh = mesh
default_material_instance = CoreManager.instance().resource_manager.get_default_material_instance(
skeletal=mesh.has_bone())
material_instances = [default_material_instance, ] * len(mesh.geometries)
for i in range(min(len(self.material_instances), len(material_instances))):
material_instances[i] = self.material_instances[i]
self.material_instances = material_instances
def __init__(self, **object_data):
self.name = object_data.get('name', 'ocean')
self.height = object_data.get('height', 0.0)
self.wind = object_data.get('wind', WIND)
self.omega = object_data.get('omega', OMEGA)
self.amplitude = object_data.get('amplitude', AMPLITUDE)
self.simulation_wind = object_data.get('simulation_wind', 1.0)
self.simulation_amplitude = object_data.get('simulation_amplitude',
3.0)
self.simulation_scale = object_data.get('simulation_scale', 1.0)
self.is_render_ocean = object_data.get('is_render_ocean', True)
self.attributes = Attributes()
self.acc_time = 0.0
self.fft_seed = 1234
self.simulation_size = GRID_SIZES * self.simulation_scale
self.renderer = CoreManager.instance().renderer
self.scene_manager = CoreManager.instance().scene_manager
self.resource_manager = CoreManager.instance().resource_manager
self.fft_init = None
self.fft_x = None
self.fft_y = None
self.fft_render = None
self.fft_variance = None
self.texture_spectrum_1_2 = None
self.texture_spectrum_3_4 = None
self.texture_slope_variance = None
self.texture_butterfly = None
self.quad = None
self.fft_grid = None
self.caustic_index = 0
self.texture_caustics = []
self.texture_foam = None
self.texture_noise = None
def set_attribute(self, attribute_name, attribute_value, parent_info,
attribute_index):
if attribute_name == 'shader_name':
if attribute_value != self.shader_name:
material = CoreManager.instance(
).resource_manager.get_material(attribute_value, self.macros)
self.set_material(material)
elif attribute_name in 'material_name':
if self.material:
material = CoreManager.instance(
).resource_manager.get_material(self.material.shader_name)
self.set_material(material)
elif attribute_name in self.linked_material_component_map:
self.set_uniform_data_from_string(attribute_name, attribute_value)
elif attribute_name in self.macros:
if self.macros[attribute_name] != attribute_value:
self.macros[attribute_name] = attribute_value
material = CoreManager.instance(
).resource_manager.get_material(self.material.shader_name,
self.macros)
self.set_material(material)
return self.Attributes
def __init__(self, **object_data):
self.renderer = CoreManager.instance().renderer
self.scene_manager = CoreManager.instance().scene_manager
self.resource_manager = CoreManager.instance().resource_manager
self.name = object_data.get('name', 'terrain')
self.is_render_terrain = object_data.get('is_render_terrain', True)
self.transform = TransformObject()
self.transform.set_pos(object_data.get('pos', [0, 0, 0]))
self.transform.set_rotation(object_data.get('rot', [0, 0, 0]))
self.transform.set_scale(object_data.get('scale', [1, 1, 1]))
self.width = object_data.get('width', 10)
self.height = object_data.get('height', 10)
self.subdivide_level = object_data.get('subdivide_level', 100)
self.height_map_size = np.array(object_data.get(
'height_map_size', [10.0, 10.0]),
dtype=np.float32)
self.instance_offset = None
self.set_instance_offset(self.width, self.height)
self.instance_buffer = InstanceBuffer(name="terrain_instance_buffer",
location_offset=5,
element_datas=[
FLOAT4_ZERO,
])
self.terrain_grid = None
self.generate_terrain(self.subdivide_level)
self.texture_height_map = self.resource_manager.get_texture(
object_data.get('texture_height_map', "common.noise"))
self.terrain_render = self.resource_manager.get_material_instance(
'terrain.terrain_render_ps')
self.terrain_shadow = self.resource_manager.get_material_instance(
'terrain.terrain_shadow')
self.attributes = Attributes()
def __init__(self, material_name, material_datas={}):
self.valid = False
logger.info("Load %s material." % material_name)
# for save
self.material_datas = material_datas
shader_codes = material_datas.get('shader_codes')
binary_format = material_datas.get('binary_format')
binary_data = material_datas.get('binary_data')
uniforms = material_datas.get('uniforms', [])
uniform_datas = material_datas.get('uniform_datas', {})
self.material_component_names = [
x[1] for x in material_datas.get('material_components', [])
]
self.macros = material_datas.get('macros', OrderedDict())
self.is_translucent = True if 0 < self.macros.get(
'TRANSPARENT_MATERIAL', 0) else False
self.name = material_name
self.shader_name = material_datas.get('shader_name', '')
self.program = -1
self.uniform_buffers = dict(
) # OrderedDict() # Declaration order is important.
self.Attributes = Attributes()
if CoreManager.instance().is_basic_mode:
self.valid = True
else:
if binary_format is not None and binary_data is not None:
self.compile_from_binary(binary_format, binary_data)
self.valid = self.check_validate() and self.check_linked()
if not self.valid:
logger.error(
"%s material has been failed to compile from binary" %
self.name)
self.compile_message = ""
if not self.valid:
self.compile_from_source(shader_codes)
self.valid = self.check_validate() and self.check_linked()
if not self.valid:
logger.error(
"%s material has been failed to compile from source" %
self.name)
if self.valid:
self.create_uniform_buffers(uniforms, uniform_datas)
def set_attribute(self, attribute_name, attribute_value, item_info_history,
attribute_index):
if 'spline_data' == attribute_name:
spline_data = CoreManager.instance().resource_manager.get_spline(
attribute_value)
if spline_data is not None:
self.spline_data = spline_data
elif 'color' == attribute_name:
self.color = Float4(*attribute_value)
elif attribute_name == 'pos':
self.transform.set_pos(attribute_value)
elif attribute_name == 'rot':
self.transform.set_rotation(attribute_value)
elif attribute_name == 'scale':
self.transform.set_scale(attribute_value)
elif hasattr(self, attribute_name):
setattr(self, attribute_name, attribute_value)
def run(editor=GUIEditor.QT, project_filename=""):
appCmdQueue = None
uiCmdQueue = None
pipe1, pipe2 = None, None
editor_process = None
config = Config("config.ini")
# load last project file
if "" == project_filename and config.hasValue('Project', 'recent'):
last_project = config.getValue('Project', 'recent')
if os.path.exists(last_project):
project_filename = last_project
# other process - GUIEditor
if editor != GUIEditor.CLIENT_MODE:
appCmdQueue = CustomQueue()
uiCmdQueue = CustomQueue()
pipe1, pipe2 = CustomPipe()
# Select GUI backend
if editor == GUIEditor.QT:
from PyEngine3D.UI.QT.MainWindow import run_editor
elif editor == GUIEditor.TKINTER:
from PyEngine3D.UI.TKInter.MainWindow import run_editor
editor_process = Process(target=run_editor, args=(project_filename, uiCmdQueue, appCmdQueue, pipe2))
editor_process.start()
# Client process
coreManager = CoreManager.instance()
result = coreManager.initialize(appCmdQueue, uiCmdQueue, pipe1, project_filename)
if result:
coreManager.run()
next_next_open_project_filename = coreManager.get_next_open_project_filename()
else:
next_next_open_project_filename = ""
# GUI Editor process end
if editor_process:
editor_process.join()
return next_next_open_project_filename # reload or not
def generate(self, num_scattering_orders=4):
resource_manager = CoreManager.instance().resource_manager
framebuffer_manager = CoreManager.instance(
).renderer.framebuffer_manager
if not self.precompute_illuminance:
lambdas = [kLambdaR, kLambdaG, kLambdaB]
luminance_from_radiance = Matrix3()
self.Precompute(lambdas, luminance_from_radiance, False,
num_scattering_orders)
else:
num_iterations = (self.num_precomputed_wavelengths + 2) / 3
dlambda = (kLambdaMax - kLambdaMin) / (3 * num_iterations)
def coeff(L, component):
x = CieColorMatchingFunctionTableValue(L, 1)
y = CieColorMatchingFunctionTableValue(L, 2)
z = CieColorMatchingFunctionTableValue(L, 3)
return (XYZ_TO_SRGB[component * 3] * x +
XYZ_TO_SRGB[component * 3 + 1] * y +
XYZ_TO_SRGB[component * 3 + 2] * z) * dlambda
for i in range(int(num_iterations)):
lambdas = [
kLambdaMin + (3 * i + 0.5) * dlambda,
kLambdaMin + (3 * i + 1.5) * dlambda,
kLambdaMin + (3 * i + 2.5) * dlambda
]
luminance_from_radiance = Matrix3()
luminance_from_radiance[0] = [
coeff(lambdas[0], 0),
coeff(lambdas[1], 0),
coeff(lambdas[2], 0)
]
luminance_from_radiance[1] = [
coeff(lambdas[0], 1),
coeff(lambdas[1], 1),
coeff(lambdas[2], 1)
]
luminance_from_radiance[2] = [
coeff(lambdas[0], 2),
coeff(lambdas[1], 2),
coeff(lambdas[2], 2)
]
self.Precompute(lambdas, luminance_from_radiance, 0 < i,
num_scattering_orders)
# Note : recompute compute_transmittance
framebuffer_manager.bind_framebuffer(self.transmittance_texture)
recompute_transmittance_mi = resource_manager.get_material_instance(
'precomputed_atmosphere.recompute_transmittance',
macros=self.material_instance_macros)
recompute_transmittance_mi.use_program()
self.quad.draw_elements()
# save textures
def save_texture(texture):
resource = resource_manager.texture_loader.get_resource(
texture.name)
if resource is None:
resource = resource_manager.texture_loader.create_resource(
texture.name, texture)
resource_manager.texture_loader.save_resource(resource.name)
else:
old_texture = resource.get_data()
old_texture.delete()
resource.set_data(texture)
save_texture(self.transmittance_texture)
save_texture(self.scattering_texture)
save_texture(self.irradiance_texture)
if not self.use_combined_textures:
save_texture(self.optional_single_mie_scattering_texture)
def refresh_attribute_info(self):
CoreManager.instance().send(COMMAND.TRANS_RESOURCE_ATTRIBUTE,
self.get_attribute())
def __init__(self, **object_data):
self.name = object_data.get('name', 'ocean')
self.height = object_data.get('height', 0.0)
self.wind = object_data.get('wind', WIND)
self.omega = object_data.get('omega', OMEGA)
self.amplitude = object_data.get('amplitude', AMPLITUDE)
self.simulation_wind = object_data.get('simulation_wind', 1.0)
self.simulation_amplitude = object_data.get('simulation_amplitude',
3.0)
self.simulation_scale = object_data.get('simulation_scale', 1.0)
self.is_render_ocean = object_data.get('is_render_ocean', True)
self.attributes = Attributes()
self.acc_time = 0.0
self.fft_seed = 1234
self.renderer = CoreManager.instance().renderer
self.scene_manager = CoreManager.instance().scene_manager
self.resource_manager = CoreManager.instance().resource_manager
self.fft_init = self.resource_manager.get_material_instance(
'fft_ocean.init')
self.fft_x = self.resource_manager.get_material_instance(
'fft_ocean.fft_x')
self.fft_y = self.resource_manager.get_material_instance(
'fft_ocean.fft_y')
self.fft_render = self.resource_manager.get_material_instance(
'fft_ocean.render')
self.fft_variance = self.resource_manager.get_material_instance(
'fft_ocean.fft_variance')
self.texture_spectrum_1_2 = self.resource_manager.get_texture(
"fft_ocean.spectrum_1_2", default_texture=False)
self.texture_spectrum_3_4 = self.resource_manager.get_texture(
"fft_ocean.spectrum_3_4", default_texture=False)
self.texture_slope_variance = self.resource_manager.get_texture(
"fft_ocean.slope_variance", default_texture=False)
self.texture_butterfly = self.resource_manager.get_texture(
"fft_ocean.butterfly", default_texture=False)
self.quad = ScreenQuad.get_vertex_array_buffer()
self.fft_grid = Plane("FFT_Grid",
mode=GL_QUADS,
width=GRID_VERTEX_COUNT,
height=GRID_VERTEX_COUNT,
xz_plane=False)
self.simulation_size = GRID_SIZES * self.simulation_scale
if None in (self.texture_spectrum_1_2, self.texture_spectrum_3_4,
self.texture_slope_variance, self.texture_butterfly):
self.generate_texture()
self.caustic_index = 0
self.texture_caustics = []
i = 0
while True:
resource_name = "common.water_caustic_%02d" % i
if self.resource_manager.texture_loader.hasResource(resource_name):
self.texture_caustics.append(
self.resource_manager.get_texture(resource_name))
i += 1
continue
break
self.texture_foam = self.resource_manager.get_texture(
"common.water_foam")
self.texture_noise = self.resource_manager.get_texture("common.noise")
def __init__(self, wavelengths, solar_irradiance, sun_angular_radius,
bottom_radius, top_radius, rayleigh_density,
rayleigh_scattering, mie_density, mie_scattering,
mie_extinction, mie_phase_function_g, absorption_density,
absorption_extinction, ground_albedo, max_sun_zenith_angle,
length_unit_in_meters, num_precomputed_wavelengths,
precompute_illuminance, use_combined_textures):
self.wavelengths = wavelengths
self.solar_irradiance = solar_irradiance
self.sun_angular_radius = sun_angular_radius
self.bottom_radius = bottom_radius
self.top_radius = top_radius
self.rayleigh_density = rayleigh_density
self.rayleigh_scattering = rayleigh_scattering
self.mie_density = mie_density
self.mie_scattering = mie_scattering
self.mie_extinction = mie_extinction
self.mie_phase_function_g = mie_phase_function_g
self.absorption_density = absorption_density
self.absorption_extinction = absorption_extinction
self.ground_albedo = ground_albedo
self.max_sun_zenith_angle = max_sun_zenith_angle
self.length_unit_in_meters = length_unit_in_meters
self.num_precomputed_wavelengths = num_precomputed_wavelengths
self.precompute_illuminance = precompute_illuminance
self.use_combined_textures = use_combined_textures
self.material_instance_macros = {
'COMBINED_SCATTERING_TEXTURES': 1 if use_combined_textures else 0
}
# Atmosphere shader code
resource_manager = CoreManager.instance().resource_manager
shaderLoader = resource_manager.shader_loader
shader_name = 'precomputed_atmosphere.atmosphere_predefine'
recompute_atmosphere_predefine = resource_manager.get_shader(
shader_name)
recompute_atmosphere_predefine.shader_code = self.glsl_header_factory(
[kLambdaR, kLambdaG, kLambdaB])
shaderLoader.save_resource(shader_name)
shaderLoader.load_resource(shader_name)
self.transmittance_texture = CreateTexture(
name="precomputed_atmosphere.transmittance",
texture_type=Texture2D,
width=TRANSMITTANCE_TEXTURE_WIDTH,
height=TRANSMITTANCE_TEXTURE_HEIGHT,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP_TO_EDGE)
self.scattering_texture = CreateTexture(
name="precomputed_atmosphere.scattering",
texture_type=Texture3D,
width=SCATTERING_TEXTURE_WIDTH,
height=SCATTERING_TEXTURE_HEIGHT,
depth=SCATTERING_TEXTURE_DEPTH,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP_TO_EDGE)
self.irradiance_texture = CreateTexture(
name="precomputed_atmosphere.irradiance",
texture_type=Texture2D,
width=IRRADIANCE_TEXTURE_WIDTH,
height=IRRADIANCE_TEXTURE_HEIGHT,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP)
self.optional_single_mie_scattering_texture = None
if not self.use_combined_textures:
self.optional_single_mie_scattering_texture = CreateTexture(
name=
"precomputed_atmosphere.optional_single_mie_scattering_texture",
texture_type=Texture3D,
width=SCATTERING_TEXTURE_WIDTH,
height=SCATTERING_TEXTURE_HEIGHT,
depth=SCATTERING_TEXTURE_DEPTH,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP)
self.delta_irradiance_texture = CreateTexture(
name="precomputed_atmosphere.delta_irradiance_texture",
texture_type=Texture2D,
width=IRRADIANCE_TEXTURE_WIDTH,
height=IRRADIANCE_TEXTURE_HEIGHT,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP)
self.delta_rayleigh_scattering_texture = CreateTexture(
name="precomputed_atmosphere.delta_rayleigh_scattering_texture",
texture_type=Texture3D,
width=SCATTERING_TEXTURE_WIDTH,
height=SCATTERING_TEXTURE_HEIGHT,
depth=SCATTERING_TEXTURE_DEPTH,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP)
self.delta_mie_scattering_texture = CreateTexture(
name="precomputed_atmosphere.delta_mie_scattering_texture",
texture_type=Texture3D,
width=SCATTERING_TEXTURE_WIDTH,
height=SCATTERING_TEXTURE_HEIGHT,
depth=SCATTERING_TEXTURE_DEPTH,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP)
self.delta_scattering_density_texture = CreateTexture(
name="precomputed_atmosphere.delta_scattering_density_texture",
texture_type=Texture3D,
width=SCATTERING_TEXTURE_WIDTH,
height=SCATTERING_TEXTURE_HEIGHT,
depth=SCATTERING_TEXTURE_DEPTH,
internal_format=GL_RGBA32F,
texture_format=GL_RGBA,
min_filter=GL_LINEAR,
mag_filter=GL_LINEAR,
data_type=GL_FLOAT,
wrap=GL_CLAMP)
self.delta_multiple_scattering_texture = self.delta_rayleigh_scattering_texture
self.quad = ScreenQuad.get_vertex_array_buffer()
def initialize(self):
resource_manager = CoreManager.instance().resource_manager
self.atmosphere_material_instance = resource_manager.get_material_instance(
'precomputed_atmosphere.atmosphere',
macros={
'USE_LUMINANCE': 1 if self.luminance_type else 0,
'COMBINED_SCATTERING_TEXTURES': 1 if self.use_combined_textures else 0
}
)
# precompute constants
max_sun_zenith_angle = 120.0 / 180.0 * kPi
rayleigh_layer = DensityProfileLayer(0.0, 1.0, -1.0 / kRayleighScaleHeight, 0.0, 0.0)
mie_layer = DensityProfileLayer(0.0, 1.0, -1.0 / kMieScaleHeight, 0.0, 0.0)
ozone_density = [DensityProfileLayer(25000.0, 0.0, 0.0, 1.0 / 15000.0, -2.0 / 3.0),
DensityProfileLayer(0.0, 0.0, 0.0, -1.0 / 15000.0, 8.0 / 3.0)]
wavelengths = []
solar_irradiance = []
rayleigh_scattering = []
mie_scattering = []
mie_extinction = []
absorption_extinction = []
ground_albedo = []
for i in range(kLambdaMin, kLambdaMax + 1, 10):
L = float(i) * 1e-3 # micro-meters
mie = kMieAngstromBeta / kMieScaleHeight * math.pow(L, -kMieAngstromAlpha)
wavelengths.append(i)
if self.use_constant_solar_spectrum:
solar_irradiance.append(kConstantSolarIrradiance)
else:
solar_irradiance.append(kSolarIrradiance[int((i - kLambdaMin) / 10)])
rayleigh_scattering.append(kRayleigh * math.pow(L, -4))
mie_scattering.append(mie * kMieSingleScatteringAlbedo)
mie_extinction.append(mie)
if self.use_ozone:
absorption_extinction.append(kMaxOzoneNumberDensity * kOzoneCrossSection[int((i - kLambdaMin) / 10)])
else:
absorption_extinction.append(0.0)
ground_albedo.append(kGroundAlbedo)
rayleigh_density = [rayleigh_layer, ]
mie_density = [mie_layer, ]
if Luminance.PRECOMPUTED == self.luminance_type:
self.kSky[...] = [MAX_LUMINOUS_EFFICACY, MAX_LUMINOUS_EFFICACY, MAX_LUMINOUS_EFFICACY]
else:
self.kSky[...] = ComputeSpectralRadianceToLuminanceFactors(wavelengths, solar_irradiance, -3)
self.kSun[...] = ComputeSpectralRadianceToLuminanceFactors(wavelengths, solar_irradiance, 0)
# generate precomputed textures
if not resource_manager.texture_loader.hasResource('precomputed_atmosphere.transmittance') or \
not resource_manager.texture_loader.hasResource('precomputed_atmosphere.scattering') or \
not resource_manager.texture_loader.hasResource('precomputed_atmosphere.irradiance') or \
not resource_manager.texture_loader.hasResource(
'precomputed_atmosphere.optional_single_mie_scattering') and not self.use_combined_textures:
model = Model(wavelengths,
solar_irradiance,
kSunAngularRadius,
kBottomRadius,
kTopRadius,
rayleigh_density,
rayleigh_scattering,
mie_density,
mie_scattering,
mie_extinction,
kMiePhaseFunctionG,
ozone_density,
absorption_extinction,
ground_albedo,
max_sun_zenith_angle,
kLengthUnitInMeters,
self.num_precomputed_wavelengths,
Luminance.PRECOMPUTED == self.luminance_type,
self.use_combined_textures)
model.generate()
self.transmittance_texture = resource_manager.get_texture('precomputed_atmosphere.transmittance')
self.scattering_texture = resource_manager.get_texture('precomputed_atmosphere.scattering')
self.irradiance_texture = resource_manager.get_texture('precomputed_atmosphere.irradiance')
if not self.use_combined_textures:
self.optional_single_mie_scattering_texture = resource_manager.get_texture(
'precomputed_atmosphere.optional_single_mie_scattering')
self.cloud_texture = resource_manager.get_texture('precomputed_atmosphere.cloud_3d')
self.noise_texture = resource_manager.get_texture('precomputed_atmosphere.noise_3d')
def Precompute(self, lambdas, luminance_from_radiance, blend,
num_scattering_orders):
resource_manager = CoreManager.instance().resource_manager
framebuffer_manager = CoreManager.instance(
).renderer.framebuffer_manager
shaderLoader = resource_manager.shader_loader
shader_name = 'precomputed_atmosphere.compute_atmosphere_predefine'
compute_atmosphere_predefine = resource_manager.get_shader(shader_name)
compute_atmosphere_predefine.shader_code = self.glsl_header_factory(
lambdas)
shaderLoader.save_resource(shader_name)
shaderLoader.load_resource(shader_name)
glEnable(GL_BLEND)
glBlendEquation(GL_FUNC_ADD)
glBlendFunc(GL_ONE, GL_ONE)
# compute_transmittance
framebuffer_manager.bind_framebuffer(self.transmittance_texture)
glDisablei(GL_BLEND, 0)
compute_transmittance_mi = resource_manager.get_material_instance(
'precomputed_atmosphere.compute_transmittance',
macros=self.material_instance_macros)
compute_transmittance_mi.use_program()
self.quad.draw_elements()
# compute_direct_irradiance
framebuffer_manager.bind_framebuffer(self.delta_irradiance_texture,
self.irradiance_texture)
glDisablei(GL_BLEND, 0)
if blend:
glEnablei(GL_BLEND, 1)
else:
glDisablei(GL_BLEND, 1)
compute_direct_irradiance_mi = resource_manager.get_material_instance(
'precomputed_atmosphere.compute_direct_irradiance',
macros=self.material_instance_macros)
compute_direct_irradiance_mi.use_program()
compute_direct_irradiance_mi.bind_uniform_data(
'transmittance_texture', self.transmittance_texture)
self.quad.draw_elements()
# compute_single_scattering
if self.optional_single_mie_scattering_texture is None:
current_framebuffer = framebuffer_manager.bind_framebuffer(
self.delta_rayleigh_scattering_texture,
self.delta_mie_scattering_texture, self.scattering_texture)
else:
current_framebuffer = framebuffer_manager.bind_framebuffer(
self.delta_rayleigh_scattering_texture,
self.delta_mie_scattering_texture, self.scattering_texture,
self.optional_single_mie_scattering_texture)
compute_single_scattering_mi = resource_manager.get_material_instance(
'precomputed_atmosphere.compute_single_scattering',
macros=self.material_instance_macros)
compute_single_scattering_mi.use_program()
compute_single_scattering_mi.bind_uniform_data(
'luminance_from_radiance', luminance_from_radiance)
compute_single_scattering_mi.bind_uniform_data(
'transmittance_texture', self.transmittance_texture)
glDisablei(GL_BLEND, 0)
glDisablei(GL_BLEND, 1)
if blend:
glEnablei(GL_BLEND, 2)
glEnablei(GL_BLEND, 3)
else:
glDisablei(GL_BLEND, 2)
glDisablei(GL_BLEND, 3)
for layer in range(SCATTERING_TEXTURE_DEPTH):
current_framebuffer.run_bind_framebuffer(target_layer=layer)
compute_single_scattering_mi.bind_uniform_data("layer", layer)
self.quad.draw_elements()
for scattering_order in range(2, num_scattering_orders + 1):
# compute_scattering_density
framebuffer = framebuffer_manager.get_framebuffer(
self.delta_scattering_density_texture)
glDisablei(GL_BLEND, 0)
compute_scattering_density_mi = resource_manager.get_material_instance(
'precomputed_atmosphere.compute_scattering_density',
macros=self.material_instance_macros)
compute_scattering_density_mi.use_program()
compute_scattering_density_mi.bind_uniform_data(
'transmittance_texture', self.transmittance_texture)
compute_scattering_density_mi.bind_uniform_data(
'single_rayleigh_scattering_texture',
self.delta_rayleigh_scattering_texture)
compute_scattering_density_mi.bind_uniform_data(
'single_mie_scattering_texture',
self.delta_mie_scattering_texture)
compute_scattering_density_mi.bind_uniform_data(
'multiple_scattering_texture',
self.delta_multiple_scattering_texture)
compute_scattering_density_mi.bind_uniform_data(
'irradiance_texture', self.delta_irradiance_texture)
compute_scattering_density_mi.bind_uniform_data(
'scattering_order', scattering_order)
for layer in range(SCATTERING_TEXTURE_DEPTH):
framebuffer.run_bind_framebuffer(target_layer=layer)
compute_scattering_density_mi.bind_uniform_data('layer', layer)
self.quad.draw_elements()
# compute_indirect_irradiance
framebuffer_manager.bind_framebuffer(self.delta_irradiance_texture,
self.irradiance_texture)
glDisablei(GL_BLEND, 0)
glEnablei(GL_BLEND, 1)
compute_indirect_irradiance_mi = resource_manager.get_material_instance(
'precomputed_atmosphere.compute_indirect_irradiance',
macros=self.material_instance_macros)
compute_indirect_irradiance_mi.use_program()
compute_indirect_irradiance_mi.bind_uniform_data(
'luminance_from_radiance', luminance_from_radiance)
compute_indirect_irradiance_mi.bind_uniform_data(
'scattering_order', scattering_order - 1)
compute_indirect_irradiance_mi.bind_uniform_data(
'single_rayleigh_scattering_texture',
self.delta_rayleigh_scattering_texture)
compute_indirect_irradiance_mi.bind_uniform_data(
'single_mie_scattering_texture',
self.delta_mie_scattering_texture)
compute_indirect_irradiance_mi.bind_uniform_data(
'multiple_scattering_texture',
self.delta_multiple_scattering_texture)
self.quad.draw_elements()
# compute_multiple_scattering
framebuffer = framebuffer_manager.get_framebuffer(
self.delta_multiple_scattering_texture,
self.scattering_texture)
glDisablei(GL_BLEND, 0)
glEnablei(GL_BLEND, 1)
compute_multiple_scattering_mi = resource_manager.get_material_instance(
'precomputed_atmosphere.compute_multiple_scattering',
macros=self.material_instance_macros)
compute_multiple_scattering_mi.use_program()
compute_multiple_scattering_mi.bind_uniform_data(
'luminance_from_radiance', luminance_from_radiance)
compute_multiple_scattering_mi.bind_uniform_data(
'transmittance_texture', self.transmittance_texture)
compute_multiple_scattering_mi.bind_uniform_data(
'scattering_density_texture',
self.delta_scattering_density_texture)
for layer in range(SCATTERING_TEXTURE_DEPTH):
framebuffer.run_bind_framebuffer(target_layer=layer)
compute_multiple_scattering_mi.bind_uniform_data(
'layer', layer)
self.quad.draw_elements()
def CreateUniformDataFromString(data_type, strValue=None):
""" return converted data from string or default data """
if data_type == 'bool':
return np.bool(strValue) if strValue else np.bool(False)
elif data_type == 'float':
# return float(strValue) if strValue else 0.0
return np.float32(strValue) if strValue else np.float32(0)
elif data_type == 'int':
# return int(strValue) if strValue else 0
return np.int32(strValue) if strValue else np.int32(0)
elif data_type == 'uint':
# return int(strValue) if strValue else 0
return np.uint32(strValue) if strValue else np.uint32(0)
elif data_type in ('vec2', 'vec3', 'vec4', 'bvec2', 'bvec3', 'bvec4', 'ivec2', 'ivec3', 'ivec4', 'uvec2', 'uvec3', 'uvec4'):
if data_type in ('bvec2', 'bvec3', 'bvec4', 'ivec2', 'ivec3', 'ivec4'):
dtype = np.int32
elif data_type in ('uvec2', 'uvec3', 'uvec4'):
dtype = np.uint32
else:
dtype = np.float32
componentCount = int(data_type[-1])
if strValue is not None:
vecValue = eval(strValue) if type(strValue) is str else strValue
if len(vecValue) == componentCount:
return np.array(vecValue, dtype=dtype)
else:
logger.error(ValueError("%s need %d float members." % (data_type, componentCount)))
raise ValueError
else:
return np.array([1, ] * componentCount, dtype=dtype)
elif data_type in ('mat2', 'mat3', 'mat4', 'dmat2', 'dmat3', 'dmat4'):
if data_type in ('dmat2', 'dmat3', 'dmat4'):
dtype = np.float32
else:
dtype = np.double
componentCount = int(data_type[-1])
if strValue is not None:
vecValue = eval(strValue) if type(strValue) is str else strValue
if len(vecValue) == componentCount:
return np.array(vecValue, dtype=dtype)
else:
logger.error(ValueError("%s need %d float members." % (data_type, componentCount)))
raise ValueError
else:
return np.eye(componentCount, dtype=dtype)
elif data_type in ('sampler2D', 'image2D'):
texture = CoreManager.instance().resource_manager.get_texture(strValue or 'common.flat_gray')
return texture
elif data_type == 'sampler2DMS':
logger.warn('sampler2DMS need multisample texture.')
return CoreManager.instance().resource_manager.get_texture(strValue or 'common.flat_gray')
elif data_type == 'sampler2DArray':
return CoreManager.instance().resource_manager.get_texture(strValue or 'common.default_2d_array')
elif data_type in ('sampler3D', 'image3D'):
return CoreManager.instance().resource_manager.get_texture(strValue or 'common.default_3d')
elif data_type == 'samplerCube':
texture = CoreManager.instance().resource_manager.get_texture(strValue or 'common.default_cube')
return texture
error_message = 'Cannot find uniform data of %s.' % data_type
logger.error(error_message)
raise ValueError(error_message)
return None
def initialize(self):
self.core_manager = CoreManager.instance()
self.resource_manager = self.core_manager.resource_manager
self.renderer = self.core_manager.renderer
self.rendertarget_manager = self.core_manager.rendertarget_manager
self.framebuffer_manager = FrameBufferManager.instance()
self.quad = ScreenQuad.get_vertex_array_buffer()
self.bloom = self.resource_manager.get_material_instance("bloom")
self.bloom_highlight = self.resource_manager.get_material_instance(
"bloom_highlight")
self.bloom_downsampling = self.resource_manager.get_material_instance(
"bloom_downsampling")
# SSAO
self.ssao = self.resource_manager.get_material_instance("ssao")
for i in range(self.ssao_kernel_size):
scale = float(i) / float(self.ssao_kernel_size)
scale = min(max(0.1, scale * scale), 1.0)
self.ssao_kernel[i][0] = random.uniform(-1.0, 1.0)
self.ssao_kernel[i][1] = random.uniform(0.5, 1.0)
self.ssao_kernel[i][2] = random.uniform(-1.0, 1.0)
self.ssao_kernel[i][:] = normalize(self.ssao_kernel[i]) * scale
self.ssao_random_texture = self.resource_manager.get_texture(
'common.random_normal')
# depth of field
self.compute_focus_distance = self.resource_manager.get_material_instance(
'compute_focus_distance')
self.depth_of_field = self.resource_manager.get_material_instance(
'depth_of_field')
self.velocity = self.resource_manager.get_material_instance("velocity")
self.light_shaft = self.resource_manager.get_material_instance(
"light_shaft")
self.tonemapping = self.resource_manager.get_material_instance(
"tonemapping")
self.blur = self.resource_manager.get_material_instance("blur")
self.circle_blur = self.resource_manager.get_material_instance(
"circle_blur")
self.gaussian_blur = self.resource_manager.get_material_instance(
"gaussian_blur")
self.motion_blur = self.resource_manager.get_material_instance(
"motion_blur")
self.screen_space_reflection = self.resource_manager.get_material_instance(
"screen_space_reflection")
self.screen_space_reflection_resolve = self.resource_manager.get_material_instance(
"screen_space_reflection_resolve")
self.linear_depth = self.resource_manager.get_material_instance(
"linear_depth")
self.generate_min_z = self.resource_manager.get_material_instance(
"generate_min_z")
self.deferred_shading = self.resource_manager.get_material_instance(
"deferred_shading")
self.copy_texture_mi = self.resource_manager.get_material_instance(
"copy_texture")
self.render_texture_mi = self.resource_manager.get_material_instance(
"render_texture")
self.composite_shadowmap = self.resource_manager.get_material_instance(
"composite_shadowmap")
# TAA
self.temporal_antialiasing = self.resource_manager.get_material_instance(
"temporal_antialiasing")
def get_anti_aliasing_name(anti_aliasing):
anti_aliasing = str(anti_aliasing)
return anti_aliasing.split(
'.')[-1] if '.' in anti_aliasing else anti_aliasing
anti_aliasing_list = [
get_anti_aliasing_name(AntiAliasing.convert_index_to_enum(x))
for x in range(AntiAliasing.COUNT.value)
]
# Send to GUI
self.core_manager.send_anti_aliasing_list(anti_aliasing_list)