389 lines
14 KiB
Python
Executable file
389 lines
14 KiB
Python
Executable file
import bpy
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from bpy.types import NodeTree, Node, NodeSocket
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from bpy.props import *
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import os
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import json
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import arm.write_probes as write_probes
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import arm.assets as assets
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import arm.utils
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import arm.nodes as nodes
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import arm.log as log
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def build_node_trees(active_worlds):
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fp = arm.utils.get_fp()
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# Make sure Assets dir exists
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if not os.path.exists(arm.utils.build_dir() + '/compiled/Assets/materials'):
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os.makedirs(arm.utils.build_dir() + '/compiled/Assets/materials')
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# Export world nodes
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world_outputs = []
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for world in active_worlds:
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output = build_node_tree(world)
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world_outputs.append(output)
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return world_outputs
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def build_node_tree(world):
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output = {}
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dat = {}
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output['material_datas'] = [dat]
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wname = arm.utils.safestr(world.name)
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dat['name'] = wname + '_material'
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context = {}
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dat['contexts'] = [context]
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context['name'] = 'world'
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context['bind_constants'] = []
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context['bind_textures'] = []
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wrd = bpy.data.worlds['Arm']
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wrd.world_defs = ''
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rpdat = arm.utils.get_rp()
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# Traverse world node tree
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parsed = False
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if world.node_tree != None:
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output_node = nodes.get_node_by_type(world.node_tree, 'OUTPUT_WORLD')
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if output_node != None:
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parse_world_output(world, output_node, context)
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parsed = True
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if parsed == False:
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solid_mat = rpdat.arm_material_model == 'Solid'
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if wrd.arm_irradiance and not solid_mat:
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wrd.world_defs += '_Irr'
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envmap_strength_const = {}
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envmap_strength_const['name'] = 'envmapStrength'
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envmap_strength_const['float'] = 1.0
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context['bind_constants'].append(envmap_strength_const)
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world.arm_envtex_color = [0.051, 0.051, 0.051, 1.0]
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world.arm_envtex_strength = envmap_strength_const['float']
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# Clear to color if no texture or sky is provided
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if '_EnvSky' not in wrd.world_defs and '_EnvTex' not in wrd.world_defs:
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if '_EnvImg' not in wrd.world_defs:
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wrd.world_defs += '_EnvCol'
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# Irradiance json file name
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world.arm_envtex_name = wname
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world.arm_envtex_irr_name = wname
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write_probes.write_color_irradiance(wname, world.arm_envtex_color)
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# film_transparent
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if bpy.context.scene != None and bpy.context.scene.cycles != None and bpy.context.scene.cycles.film_transparent:
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wrd.world_defs += '_EnvTransp'
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wrd.world_defs += '_EnvCol'
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# Clouds enabled
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if rpdat.arm_clouds:
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wrd.world_defs += '_EnvClouds'
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# Percentage closer soft shadows
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# if rpdat.arm_pcss_state == 'On':
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# wrd.world_defs += '_PCSS'
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# sdk_path = arm.utils.get_sdk_path()
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# assets.add(sdk_path + 'armory/Assets/noise64.png')
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# assets.add_embedded_data('noise64.png')
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# Screen-space ray-traced shadows
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if rpdat.arm_ssrs:
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wrd.world_defs += '_SSRS'
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if wrd.arm_two_sided_area_lamp:
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wrd.world_defs += '_TwoSidedAreaLamp'
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# Store contexts
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if rpdat.rp_hdr == False:
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wrd.world_defs += '_LDR'
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# Alternative models
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if rpdat.arm_diffuse_model == 'OrenNayar':
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wrd.world_defs += '_OrenNayar'
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# TODO: Lamp texture test..
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if wrd.arm_lamp_texture != '':
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wrd.world_defs += '_LampColTex'
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if wrd.arm_lamp_ies_texture != '':
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wrd.world_defs += '_LampIES'
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assets.add_embedded_data('iestexture.png')
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if wrd.arm_lamp_clouds_texture != '':
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wrd.world_defs += '_LampClouds'
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assets.add_embedded_data('cloudstexture.png')
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voxelgi = False
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voxelao = False
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if rpdat.rp_renderer == 'Deferred':
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assets.add_khafile_def('arm_deferred')
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# Shadows
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if rpdat.rp_shadowmap_cascades != '1' and rpdat.rp_gi == 'Off':
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wrd.world_defs += '_CSM'
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assets.add_khafile_def('arm_csm')
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if rpdat.rp_shadowmap == 'None':
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wrd.world_defs += '_NoShadows'
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assets.add_khafile_def('arm_no_shadows')
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# GI
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if rpdat.rp_gi == 'Voxel GI':
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voxelgi = True
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elif rpdat.rp_gi == 'Voxel AO':
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voxelao = True
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# SS
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if rpdat.rp_dfrs:
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wrd.world_defs += '_DFRS'
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assets.add_khafile_def('arm_sdf')
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if rpdat.rp_dfao:
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wrd.world_defs += '_DFAO'
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assets.add_khafile_def('arm_sdf')
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if rpdat.rp_dfgi:
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wrd.world_defs += '_DFGI'
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assets.add_khafile_def('arm_sdf')
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wrd.world_defs += '_Rad' # Always do radiance for gi
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wrd.world_defs += '_Irr'
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if rpdat.rp_ssgi == 'RTGI' or rpdat.rp_ssgi == 'RTAO':
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if rpdat.rp_ssgi == 'RTGI':
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wrd.world_defs += '_RTGI'
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if wrd.arm_ssgi_rays == '9':
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wrd.world_defs += '_SSGICone9'
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if voxelgi or voxelao:
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assets.add_khafile_def('arm_voxelgi')
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if rpdat.arm_voxelgi_revoxelize:
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assets.add_khafile_def('arm_voxelgi_revox')
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if rpdat.arm_voxelgi_camera:
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wrd.world_defs += '_VoxelGICam'
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if voxelgi and wrd.arm_voxelgi_diff_cones == '5':
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wrd.world_defs += '_VoxelGICone5'
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if voxelao and wrd.arm_voxelgi_ao_cones == '9':
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wrd.world_defs += '_VoxelAOCone9'
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wrd.world_defs += '_Rad' # Always do radiance for voxels
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wrd.world_defs += '_Irr'
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if voxelgi:
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assets.add_khafile_def('arm_voxelgi')
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if rpdat.arm_voxelgi_shadows:
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wrd.world_defs += '_VoxelGIDirect'
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wrd.world_defs += '_VoxelGIShadow'
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if rpdat.arm_voxelgi_refraction:
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wrd.world_defs += '_VoxelGIDirect'
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wrd.world_defs += '_VoxelGIRefract'
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if rpdat.arm_voxelgi_emission:
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wrd.world_defs += '_VoxelGIEmission'
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wrd.world_defs += '_VoxelGI'
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elif voxelao:
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wrd.world_defs += '_VoxelAO'
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if arm.utils.get_gapi().startswith('direct3d'): # Flip Y axis in drawQuad command
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wrd.world_defs += '_InvY'
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# Area lamps
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for lamp in bpy.data.lamps:
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if lamp.type == 'AREA':
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wrd.world_defs += '_PolyLight'
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break
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# Data will be written after render path has been processed to gather all defines
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return output
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def write_output(output):
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# Add datas to khafile
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dir_name = 'world'
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data_name = 'world'
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# Reference correct shader context
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dat = output['material_datas'][0]
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dat['shader'] = data_name + '/' + data_name
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assets.add_shader2(dir_name, data_name)
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# Write material json
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path = arm.utils.build_dir() + '/compiled/Assets/materials/'
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asset_path = path + dat['name'] + '.arm'
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arm.utils.write_arm(asset_path, output)
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assets.add(asset_path)
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def parse_world_output(world, node, context):
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if node.inputs[0].is_linked:
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surface_node = nodes.find_node_by_link(world.node_tree, node, node.inputs[0])
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parse_surface(world, surface_node, context)
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def parse_surface(world, node, context):
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wrd = bpy.data.worlds['Arm']
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rpdat = arm.utils.get_rp()
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solid_mat = rpdat.arm_material_model == 'Solid'
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# Extract environment strength
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if node.type == 'BACKGROUND':
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# Append irradiance define
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if wrd.arm_irradiance and not solid_mat:
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wrd.world_defs += '_Irr'
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# Strength
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envmap_strength_const = {}
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envmap_strength_const['name'] = 'envmapStrength'
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envmap_strength_const['float'] = node.inputs[1].default_value
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# Always append for now, even though envmapStrength is not always needed
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context['bind_constants'].append(envmap_strength_const)
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if node.inputs[0].is_linked:
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color_node = nodes.find_node_by_link(world.node_tree, node, node.inputs[0])
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parse_color(world, color_node, context, envmap_strength_const)
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# Cache results
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world.arm_envtex_color = node.inputs[0].default_value
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world.arm_envtex_strength = envmap_strength_const['float']
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def parse_color(world, node, context, envmap_strength_const):
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wrd = bpy.data.worlds['Arm']
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rpdat = arm.utils.get_rp()
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mobile_mat = rpdat.arm_material_model == 'Mobile' or rpdat.arm_material_model == 'Solid'
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# Env map included
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if node.type == 'TEX_ENVIRONMENT' and node.image != None:
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image = node.image
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filepath = image.filepath
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if image.packed_file == None and not os.path.isfile(arm.utils.asset_path(filepath)):
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log.warn(world.name + ' - unable to open ' + image.filepath)
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return
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tex = {}
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context['bind_textures'].append(tex)
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tex['name'] = 'envmap'
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tex['u_addressing'] = 'clamp'
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tex['v_addressing'] = 'clamp'
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# Reference image name
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tex['file'] = arm.utils.extract_filename(image.filepath)
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base = tex['file'].rsplit('.', 1)
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ext = base[1].lower()
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if ext == 'hdr':
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target_format = 'HDR'
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else:
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target_format = 'JPEG'
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do_convert = ext != 'hdr' and ext != 'jpg'
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if do_convert:
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if ext == 'exr':
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tex['file'] = base[0] + '.hdr'
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target_format = 'HDR'
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else:
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tex['file'] = base[0] + '.jpg'
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target_format = 'JPEG'
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if image.packed_file != None:
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# Extract packed data
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unpack_path = arm.utils.get_fp_build() + '/compiled/Assets/unpacked'
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if not os.path.exists(unpack_path):
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os.makedirs(unpack_path)
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unpack_filepath = unpack_path + '/' + tex['file']
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filepath = unpack_filepath
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if do_convert:
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if not os.path.isfile(unpack_filepath):
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arm.utils.write_image(image, unpack_filepath, file_format=target_format)
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elif os.path.isfile(unpack_filepath) == False or os.path.getsize(unpack_filepath) != image.packed_file.size:
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with open(unpack_filepath, 'wb') as f:
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f.write(image.packed_file.data)
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assets.add(unpack_filepath)
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else:
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if do_convert:
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converted_path = arm.utils.get_fp_build() + '/compiled/Assets/unpacked/' + tex['file']
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filepath = converted_path
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# TODO: delete cache when file changes
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if not os.path.isfile(converted_path):
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arm.utils.write_image(image, converted_path, file_format=target_format)
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assets.add(converted_path)
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else:
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# Link image path to assets
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assets.add(arm.utils.asset_path(image.filepath))
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# Generate prefiltered envmaps
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world.arm_envtex_name = tex['file']
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world.arm_envtex_irr_name = tex['file'].rsplit('.', 1)[0]
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disable_hdr = target_format == 'JPEG'
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mip_count = world.arm_envtex_num_mips
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mip_count = write_probes.write_probes(filepath, disable_hdr, mip_count, arm_radiance=wrd.arm_radiance)
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world.arm_envtex_num_mips = mip_count
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# Append envtex define
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wrd.world_defs += '_EnvTex'
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# Append LDR define
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if disable_hdr:
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wrd.world_defs += '_EnvLDR'
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# Append radiance define
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if wrd.arm_irradiance and wrd.arm_radiance and not mobile_mat:
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wrd.world_defs += '_Rad'
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# Static image background
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elif node.type == 'TEX_IMAGE':
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wrd.world_defs += '_EnvImg'
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tex = {}
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context['bind_textures'].append(tex)
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tex['name'] = 'envmap'
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# No repeat for now
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tex['u_addressing'] = 'clamp'
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tex['v_addressing'] = 'clamp'
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image = node.image
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filepath = image.filepath
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if image.packed_file != None:
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# Extract packed data
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filepath = arm.utils.build_dir() + '/compiled/Assets/unpacked'
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unpack_path = arm.utils.get_fp() + filepath
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if not os.path.exists(unpack_path):
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os.makedirs(unpack_path)
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unpack_filepath = unpack_path + '/' + image.name
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if os.path.isfile(unpack_filepath) == False or os.path.getsize(unpack_filepath) != image.packed_file.size:
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with open(unpack_filepath, 'wb') as f:
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f.write(image.packed_file.data)
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assets.add(unpack_filepath)
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else:
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# Link image path to assets
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assets.add(arm.utils.asset_path(image.filepath))
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# Reference image name
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tex['file'] = arm.utils.extract_filename(image.filepath)
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# Append sky define
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elif node.type == 'TEX_SKY':
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# Match to cycles
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envmap_strength_const['float'] *= 0.1
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wrd.world_defs += '_EnvSky'
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# Append sky properties to material
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const = {}
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const['name'] = 'sunDirection'
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sun_direction = [node.sun_direction[0], node.sun_direction[1], node.sun_direction[2]]
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sun_direction[1] *= -1 # Fix Y orientation
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const['vec3'] = list(sun_direction)
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context['bind_constants'].append(const)
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world.arm_envtex_sun_direction = sun_direction
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world.arm_envtex_turbidity = node.turbidity
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world.arm_envtex_ground_albedo = node.ground_albedo
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# Irradiance json file name
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wname = arm.utils.safestr(world.name)
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world.arm_envtex_irr_name = wname
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write_probes.write_sky_irradiance(wname)
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# Radiance
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if wrd.arm_radiance_sky and wrd.arm_radiance and wrd.arm_irradiance and not mobile_mat:
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wrd.world_defs += '_Rad'
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hosek_path = 'armory/Assets/hosek/'
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sdk_path = arm.utils.get_sdk_path()
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# Use fake maps for now
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assets.add(sdk_path + hosek_path + 'hosek_radiance.hdr')
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for i in range(0, 8):
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assets.add(sdk_path + hosek_path + 'hosek_radiance_' + str(i) + '.hdr')
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world.arm_envtex_name = 'hosek'
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world.arm_envtex_num_mips = 8
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