213 lines
6.6 KiB
Python
Executable file
213 lines
6.6 KiB
Python
Executable file
import bpy
|
|
from bpy.types import NodeTree, Node, NodeSocket
|
|
from bpy.props import *
|
|
import os
|
|
import json
|
|
import write_probes
|
|
import assets
|
|
import utils
|
|
|
|
def register():
|
|
pass
|
|
#bpy.utils.register_module(__name__)
|
|
|
|
def unregister():
|
|
pass
|
|
#bpy.utils.unregister_module(__name__)
|
|
|
|
def find_node(node_group, to_node, target_socket):
|
|
for link in node_group.links:
|
|
if link.to_node == to_node and link.to_socket == target_socket:
|
|
return link.from_node
|
|
|
|
def get_output_node(tree):
|
|
for n in tree.nodes:
|
|
if n.type == 'OUTPUT_WORLD':
|
|
return n
|
|
|
|
def buildNodeTrees():
|
|
s = bpy.data.filepath.split(os.path.sep)
|
|
s.pop()
|
|
fp = os.path.sep.join(s)
|
|
os.chdir(fp)
|
|
|
|
# Make sure Assets dir exists
|
|
if not os.path.exists('build/compiled/Assets/materials'):
|
|
os.makedirs('build/compiled/Assets/materials')
|
|
|
|
# Export world nodes
|
|
world_outputs = []
|
|
for world in bpy.data.worlds:
|
|
output = buildNodeTree(world.name, world.node_tree)
|
|
world_outputs.append(output)
|
|
return world_outputs
|
|
|
|
def buildNodeTree(world_name, node_group):
|
|
output = {}
|
|
dat = {}
|
|
output['material_datas'] = [dat]
|
|
dat['name'] = world_name.replace('.', '_') + '_material'
|
|
context = {}
|
|
dat['contexts'] = [context]
|
|
context['name'] = 'env'
|
|
context['bind_constants'] = []
|
|
context['bind_textures'] = []
|
|
|
|
bpy.data.worlds[0].world_defs = ''
|
|
|
|
# Traverse world node tree
|
|
output_node = get_output_node(node_group)
|
|
if output_node != None:
|
|
parse_world_output(node_group, output_node, context)
|
|
|
|
# Clear to color if no texture or sky is provided
|
|
wrd = bpy.data.worlds[0]
|
|
if '_EnvSky' not in wrd.world_defs and '_EnvTex' not in wrd.world_defs:
|
|
wrd.world_defs += '_EnvCol'
|
|
# Irradiance json file name
|
|
base_name = wrd.name
|
|
bpy.data.cameras[0].world_envtex_name = base_name
|
|
write_probes.write_color_irradiance(base_name, bpy.data.cameras[0].world_envtex_color)
|
|
|
|
# Clouds enabled
|
|
if wrd.generate_clouds:
|
|
wrd.world_defs += '_EnvClouds'
|
|
|
|
# Shadows disabled
|
|
if wrd.generate_shadows == False:
|
|
wrd.world_defs += '_NoShadows'
|
|
|
|
# Percentage closer soft shadows
|
|
if wrd.generate_pcss:
|
|
wrd.world_defs += '_PCSS'
|
|
|
|
# Enable probes
|
|
for cam in bpy.data.cameras:
|
|
if cam.is_probe:
|
|
wrd.world_defs += '_Probes'
|
|
|
|
# Data will be written after pipeline has been processed to gather all defines
|
|
return output
|
|
|
|
def write_output(output, asset_references, shader_references):
|
|
# Add datas to khafie
|
|
dir_name = 'env'
|
|
# Append world defs
|
|
wrd = bpy.data.worlds[0]
|
|
data_name = 'env' + wrd.world_defs
|
|
|
|
# Reference correct shader context
|
|
dat = output['material_datas'][0]
|
|
dat['shader'] = data_name + '/' + data_name
|
|
asset_references.append('build/compiled/ShaderDatas/' + dir_name + '/' + data_name + '.arm')
|
|
shader_references.append('build/compiled/Shaders/' + dir_name + '/' + data_name)
|
|
|
|
# Write material json
|
|
path = 'build/compiled/Assets/materials/'
|
|
asset_path = path + dat['name'] + '.arm'
|
|
utils.write_arm(asset_path, output)
|
|
assets.add(asset_path)
|
|
|
|
def parse_world_output(node_group, node, context):
|
|
if node.inputs[0].is_linked:
|
|
surface_node = find_node(node_group, node, node.inputs[0])
|
|
parse_surface(node_group, surface_node, context)
|
|
|
|
def parse_surface(node_group, node, context):
|
|
# Extract environment strength
|
|
if node.type == 'BACKGROUND':
|
|
# Strength
|
|
envmap_strength_const = {}
|
|
envmap_strength_const['name'] = 'envmapStrength'
|
|
envmap_strength_const['float'] = node.inputs[1].default_value
|
|
context['bind_constants'].append(envmap_strength_const)
|
|
|
|
if node.inputs[0].is_linked:
|
|
color_node = find_node(node_group, node, node.inputs[0])
|
|
parse_color(node_group, color_node, context, envmap_strength_const)
|
|
|
|
# Cache results
|
|
bpy.data.cameras[0].world_envtex_color = node.inputs[0].default_value
|
|
bpy.data.cameras[0].world_envtex_strength = envmap_strength_const['float']
|
|
|
|
def parse_color(node_group, node, context, envmap_strength_const):
|
|
# Env map included
|
|
if node.type == 'TEX_ENVIRONMENT':
|
|
texture = {}
|
|
context['bind_textures'].append(texture)
|
|
texture['name'] = 'envmap'
|
|
|
|
image = node.image
|
|
if image.packed_file != None:
|
|
# Extract packed data
|
|
unpack_path = utils.get_fp() + '/build/compiled/Assets/unpacked'
|
|
if not os.path.exists(unpack_path):
|
|
os.makedirs(unpack_path)
|
|
unpack_filepath = unpack_path + '/' + image.name
|
|
if os.path.isfile(unpack_filepath) == False or os.path.getsize(unpack_filepath) != image.packed_file.size:
|
|
with open(unpack_filepath, 'wb') as f:
|
|
f.write(image.packed_file.data)
|
|
assets.add(unpack_filepath)
|
|
else:
|
|
# Link image path to assets
|
|
assets.add(utils.safe_assetpath(image.filepath))
|
|
|
|
# Reference image name
|
|
texture['file'] = utils.extract_filename_noext(image.filepath)
|
|
texture['file'] = utils.safe_filename(texture['file'])
|
|
|
|
# Generate prefiltered envmaps
|
|
generate_radiance = bpy.data.worlds[0].generate_radiance
|
|
bpy.data.cameras[0].world_envtex_name = texture['file']
|
|
disable_hdr = image.filepath.endswith('.jpg')
|
|
mip_count = bpy.data.cameras[0].world_envtex_num_mips
|
|
|
|
mip_count = write_probes.write_probes(node.image.filepath, disable_hdr, mip_count, generate_radiance=generate_radiance)
|
|
|
|
bpy.data.cameras[0].world_envtex_num_mips = mip_count
|
|
# Append envtex define
|
|
bpy.data.worlds[0].world_defs += '_EnvTex'
|
|
# Append LDR define
|
|
if disable_hdr:
|
|
bpy.data.worlds[0].world_defs += '_EnvLDR'
|
|
# Append radiance define
|
|
if generate_radiance:
|
|
bpy.data.worlds[0].world_defs += '_Rad'
|
|
|
|
# Append sky define
|
|
elif node.type == 'TEX_SKY':
|
|
bpy.data.worlds[0].world_defs += '_EnvSky'
|
|
# Append sky properties to material
|
|
const = {}
|
|
const['name'] = 'sunDirection'
|
|
sun_direction = [node.sun_direction[0], node.sun_direction[1], node.sun_direction[2]]
|
|
sun_direction[1] *= -1 # Fix Y orientation
|
|
const['vec3'] = list(sun_direction)
|
|
context['bind_constants'].append(const)
|
|
|
|
bpy.data.cameras[0].world_envtex_sun_direction = sun_direction
|
|
bpy.data.cameras[0].world_envtex_turbidity = node.turbidity
|
|
bpy.data.cameras[0].world_envtex_ground_albedo = node.ground_albedo
|
|
|
|
# Irradiance json file name
|
|
base_name = bpy.data.worlds[0].name
|
|
bpy.data.cameras[0].world_envtex_name = base_name
|
|
|
|
write_probes.write_sky_irradiance(base_name)
|
|
|
|
# Radiance
|
|
if bpy.data.worlds[0].generate_radiance_sky and bpy.data.worlds[0].generate_radiance:
|
|
bpy.data.worlds[0].world_defs += '_Rad'
|
|
|
|
user_preferences = bpy.context.user_preferences
|
|
addon_prefs = user_preferences.addons['armory'].preferences
|
|
sdk_path = addon_prefs.sdk_path
|
|
assets.add(sdk_path + 'armory/Assets/hosek/hosek_radiance.hdr')
|
|
for i in range(0, 8):
|
|
assets.add(sdk_path + 'armory/Assets/hosek/hosek_radiance_' + str(i) + '.hdr')
|
|
|
|
bpy.data.cameras[0].world_envtex_num_mips = 8
|
|
|
|
# Adjust strength to match Cycles
|
|
envmap_strength_const['float'] *= 0.25
|