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subtree.py
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import bpy, re
from . import lib, Modifier, MaskModifier
from .common import *
from .node_arrangements import *
from .node_connections import *
def check_layer_divider_alpha(layer, tree=None):
if not tree: tree = get_source_tree(layer)
if layer.divide_rgb_by_alpha:
divider_alpha = check_new_mix_node(tree, layer, 'divider_alpha', 'Spread Fix')
divider_alpha.blend_type = 'DIVIDE'
divider_alpha.inputs[0].default_value = 1.0
set_mix_clamp(divider_alpha, True)
else:
remove_node(tree, layer, 'divider_alpha')
def move_mod_group(layer, from_tree, to_tree):
mod_group = from_tree.nodes.get(layer.mod_group)
if mod_group:
mod_tree = mod_group.node_tree
remove_node(from_tree, layer, 'mod_group', remove_data=False)
remove_node(from_tree, layer, 'mod_group_1', remove_data=False)
mod_group = new_node(to_tree, layer, 'mod_group', 'ShaderNodeGroup', 'mod_group')
mod_group.node_tree = mod_tree
mod_group_1 = new_node(to_tree, layer, 'mod_group_1', 'ShaderNodeGroup', 'mod_group_1')
mod_group_1.node_tree = mod_tree
def refresh_source_tree_ios(source_tree, layer_type):
# Create input and outputs
inp = get_tree_input_by_name(source_tree, 'Vector')
if not inp: new_tree_input(source_tree, 'Vector', 'NodeSocketVector')
out = get_tree_output_by_name(source_tree, 'Color')
if not out: new_tree_output(source_tree, 'Color', 'NodeSocketColor')
out = get_tree_output_by_name(source_tree, 'Alpha')
if not out: new_tree_output(source_tree, 'Alpha', 'NodeSocketFloat')
col1 = get_tree_output_by_name(source_tree, 'Color 1')
alp1 = get_tree_output_by_name(source_tree, 'Alpha 1')
if layer_type not in {'IMAGE', 'MUSGRAVE'}:
if not col1: col1 = new_tree_output(source_tree, 'Color 1', 'NodeSocketColor')
if not alp1: alp1 = new_tree_output(source_tree, 'Alpha 1', 'NodeSocketFloat')
else:
if col1: remove_tree_output(source_tree, col1)
if alp1: remove_tree_output(source_tree, alp1)
def enable_channel_source_tree(layer, root_ch, ch, rearrange = False):
#if not ch.override: return
if ch.source_group != '': return
layer_tree = get_tree(layer)
if ch.override_type not in {'VCOL', 'HEMI', 'DEFAULT'}:
# Get current source for reference
source_ref = layer_tree.nodes.get(ch.source)
linear_ref = layer_tree.nodes.get(ch.linear)
if not source_ref: return
# Create source tree
source_tree = bpy.data.node_groups.new(LAYERGROUP_PREFIX + root_ch.name + ' Source', 'ShaderNodeTree')
create_essential_nodes(source_tree, True)
refresh_source_tree_ios(source_tree, ch.override_type)
# Copy source from reference
source = new_node(source_tree, ch, 'source', source_ref.bl_idname)
copy_node_props(source_ref, source)
# Copy linear node from reference
if linear_ref:
linear = new_node(source_tree, ch, 'linear', linear_ref.bl_idname)
copy_node_props(linear_ref, linear)
# Create source node group
source_group = new_node(layer_tree, ch, 'source_group', 'ShaderNodeGroup', 'source_group')
source_n = new_node(layer_tree, ch, 'source_n', 'ShaderNodeGroup', 'source_n')
source_s = new_node(layer_tree, ch, 'source_s', 'ShaderNodeGroup', 'source_s')
source_e = new_node(layer_tree, ch, 'source_e', 'ShaderNodeGroup', 'source_e')
source_w = new_node(layer_tree, ch, 'source_w', 'ShaderNodeGroup', 'source_w')
source_group.node_tree = source_tree
source_n.node_tree = source_tree
source_s.node_tree = source_tree
source_e.node_tree = source_tree
source_w.node_tree = source_tree
layer_tree.nodes.remove(source_ref)
if linear_ref: layer_tree.nodes.remove(linear_ref)
# Create uv neighbor
if ch.override_type in {'VCOL', 'HEMI'}:
uv_neighbor = replace_new_node(layer_tree, ch, 'uv_neighbor', 'ShaderNodeGroup', 'Neighbor UV',
lib.NEIGHBOR_FAKE, hard_replace=True)
#else:
elif ch.override_type not in {'DEFAULT'}:
uv_neighbor = replace_new_node(layer_tree, ch, 'uv_neighbor', 'ShaderNodeGroup', 'Neighbor UV',
lib.get_neighbor_uv_tree_name(layer.texcoord_type, entity=layer), hard_replace=True)
set_uv_neighbor_resolution(ch, uv_neighbor)
if rearrange:
# Reconnect outside nodes
reconnect_layer_nodes(layer)
# Rearrange nodes
rearrange_layer_nodes(layer)
def enable_layer_source_tree(layer, rearrange=False):
# Check if source tree is already available
if layer.type in {'BACKGROUND', 'COLOR'}: return
if layer.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'BACKFACE'} and layer.source_group != '': return
layer_tree = get_tree(layer)
if layer.type not in {'VCOL', 'GROUP', 'HEMI', 'OBJECT_INDEX', 'BACKFACE'}:
# Get current source for reference
source_ref = layer_tree.nodes.get(layer.source)
linear_ref = layer_tree.nodes.get(layer.linear)
flip_y_ref = layer_tree.nodes.get(layer.flip_y)
divider_alpha_ref = layer_tree.nodes.get(layer.divider_alpha)
# Create source tree
source_tree = bpy.data.node_groups.new(LAYERGROUP_PREFIX + layer.name + ' Source', 'ShaderNodeTree')
create_essential_nodes(source_tree, True)
refresh_source_tree_ios(source_tree, layer.type)
# Copy source from reference
source = new_node(source_tree, layer, 'source', source_ref.bl_idname)
copy_node_props(source_ref, source)
if linear_ref:
linear = new_node(source_tree, layer, 'linear', linear_ref.bl_idname)
copy_node_props(linear_ref, linear)
if flip_y_ref:
flip_y = new_node(source_tree, layer, 'flip_y', flip_y_ref.bl_idname)
copy_node_props(flip_y_ref, flip_y)
if divider_alpha_ref:
divider_alpha = new_node(source_tree, layer, 'divider_alpha', divider_alpha_ref.bl_idname)
copy_node_props(divider_alpha_ref, divider_alpha)
# Create source node group
source_group = new_node(layer_tree, layer, 'source_group', 'ShaderNodeGroup', 'source_group')
source_n = new_node(layer_tree, layer, 'source_n', 'ShaderNodeGroup', 'source_n')
source_s = new_node(layer_tree, layer, 'source_s', 'ShaderNodeGroup', 'source_s')
source_e = new_node(layer_tree, layer, 'source_e', 'ShaderNodeGroup', 'source_e')
source_w = new_node(layer_tree, layer, 'source_w', 'ShaderNodeGroup', 'source_w')
source_group.node_tree = source_tree
source_n.node_tree = source_tree
source_s.node_tree = source_tree
source_e.node_tree = source_tree
source_w.node_tree = source_tree
# Remove previous source
layer_tree.nodes.remove(source_ref)
if linear_ref: layer_tree.nodes.remove(linear_ref)
if flip_y_ref: layer_tree.nodes.remove(flip_y_ref)
if divider_alpha_ref: layer_tree.nodes.remove(divider_alpha_ref)
# Bring modifiers to source tree
if layer.type in {'IMAGE', 'MUSGRAVE'}:
for mod in layer.modifiers:
Modifier.check_modifier_nodes(mod, source_tree, layer_tree)
else:
move_mod_group(layer, layer_tree, source_tree)
# Create uv neighbor
if layer.type in {'VCOL', 'HEMI'}:
uv_neighbor = replace_new_node(layer_tree, layer, 'uv_neighbor', 'ShaderNodeGroup', 'Neighbor UV',
lib.NEIGHBOR_FAKE, hard_replace=True)
if layer.type == 'VCOL':
uv_neighbor_1 = replace_new_node(layer_tree, layer, 'uv_neighbor_1', 'ShaderNodeGroup', 'Neighbor UV 1',
lib.NEIGHBOR_FAKE, hard_replace=True)
elif layer.type not in {'GROUP', 'OBJECT_INDEX', 'BACKFACE'}:
uv_neighbor = replace_new_node(layer_tree, layer, 'uv_neighbor', 'ShaderNodeGroup', 'Neighbor UV',
lib.get_neighbor_uv_tree_name(layer.texcoord_type, entity=layer), hard_replace=True)
set_uv_neighbor_resolution(layer, uv_neighbor)
if rearrange:
# Reconnect outside nodes
reconnect_layer_nodes(layer)
# Rearrange nodes
rearrange_layer_nodes(layer)
def disable_channel_source_tree(layer, root_ch, ch, rearrange=True, force=False):
yp = layer.id_data.yp
# Check if fine bump map is used on some of layer channels
if not force:
smooth_bump_ch = None
for i, root_ch in enumerate(yp.channels):
if root_ch.type == 'NORMAL' and root_ch.enable_smooth_bump and get_channel_enabled(layer.channels[i], layer, root_ch):
smooth_bump_ch = root_ch
if (ch.override_type not in {'DEFAULT'} and ch.source_group == '') or (not ch.override and smooth_bump_ch):
return
layer_tree = get_tree(layer)
#if ch.override_type not in {'DEFAULT'}:
source_group = layer_tree.nodes.get(ch.source_group)
if source_group:
source_ref = source_group.node_tree.nodes.get(ch.source)
linear_ref = source_group.node_tree.nodes.get(ch.linear)
# Create new source
source = new_node(layer_tree, ch, 'source', source_ref.bl_idname)
copy_node_props(source_ref, source)
# Create new linear
if linear_ref:
linear = new_node(layer_tree, ch, 'linear', linear_ref.bl_idname)
copy_node_props(linear_ref, linear)
# Remove previous source
remove_node(layer_tree, ch, 'source_group')
remove_node(layer_tree, ch, 'source_n')
remove_node(layer_tree, ch, 'source_s')
remove_node(layer_tree, ch, 'source_e')
remove_node(layer_tree, ch, 'source_w')
remove_node(layer_tree, ch, 'uv_neighbor')
#remove_node(layer_tree, ch, 'uv_neighbor_1')
if rearrange:
# Reconnect outside nodes
reconnect_layer_nodes(layer)
# Rearrange nodes
rearrange_layer_nodes(layer)
def disable_layer_source_tree(layer, rearrange=True, force=False):
yp = layer.id_data.yp
# Check if fine bump map is used on some of layer channels
if not force:
smooth_bump_ch = None
for i, root_ch in enumerate(yp.channels):
if root_ch.type == 'NORMAL' and root_ch.enable_smooth_bump and get_channel_enabled(layer.channels[i], layer, root_ch) and is_height_process_needed(layer):
smooth_bump_ch = root_ch
if (layer.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'BACKFACE'} and layer.source_group == '') or smooth_bump_ch:
return
layer_tree = get_tree(layer)
if force or layer.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'BACKFACE'}:
source_group = layer_tree.nodes.get(layer.source_group)
if source_group:
source_ref = source_group.node_tree.nodes.get(layer.source)
linear_ref = source_group.node_tree.nodes.get(layer.linear)
flip_y_ref = source_group.node_tree.nodes.get(layer.flip_y)
divider_alpha_ref = source_group.node_tree.nodes.get(layer.divider_alpha)
# Create new source
source = new_node(layer_tree, layer, 'source', source_ref.bl_idname)
copy_node_props(source_ref, source)
if linear_ref:
linear = new_node(layer_tree, layer, 'linear', linear_ref.bl_idname)
copy_node_props(linear_ref, linear)
if flip_y_ref:
flip_y = new_node(layer_tree, layer, 'flip_y', flip_y_ref.bl_idname)
copy_node_props(flip_y_ref, flip_y)
if divider_alpha_ref:
divider_alpha = new_node(layer_tree, layer, 'divider_alpha', divider_alpha_ref.bl_idname)
copy_node_props(divider_alpha_ref, divider_alpha)
# Bring back layer modifier to original tree
if layer.type in {'IMAGE', 'MUSGRAVE'}:
for mod in layer.modifiers:
Modifier.check_modifier_nodes(mod, layer_tree, source_group.node_tree)
else:
move_mod_group(layer, source_group.node_tree, layer_tree)
# Remove previous source
remove_node(layer_tree, layer, 'source_group')
remove_node(layer_tree, layer, 'source_n')
remove_node(layer_tree, layer, 'source_s')
remove_node(layer_tree, layer, 'source_e')
remove_node(layer_tree, layer, 'source_w')
remove_node(layer_tree, layer, 'uv_neighbor')
remove_node(layer_tree, layer, 'uv_neighbor_1')
if rearrange:
# Reconnect outside nodes
reconnect_layer_nodes(layer)
# Rearrange nodes
rearrange_layer_nodes(layer)
def check_layer_bump_process(layer, tree=None):
yp = layer.id_data.yp
if not tree: tree = get_tree(layer)
height_root_ch = get_root_height_channel(yp)
# Check if previous normal is needed
need_prev_normal = check_need_prev_normal(layer)
if need_prev_normal:
if height_root_ch.enable_smooth_bump:
lib_name = lib.FINE_BUMP_PROCESS
else: lib_name = lib.BUMP_PROCESS
bump_process = replace_new_node(tree, layer, 'bump_process', 'ShaderNodeGroup', 'Bump Process',
lib_name, hard_replace=True)
update_layer_bump_process_max_height(height_root_ch, layer, tree)
else:
remove_node(tree, layer, 'bump_process')
def check_mask_uv_neighbor(tree, layer, mask, mask_idx=-1):
yp = layer.id_data.yp
# Check if smooth bump channel is available
smooth_bump_ch = get_smooth_bump_channel(layer)
# Get channel that write height
write_height_ch = get_write_height_normal_channel(layer)
# Get mask index
if mask_idx == -1:
match = re.match(r'yp\.layers\[(\d+)\]\.masks\[(\d+)\]', mask.path_from_id())
mask_idx = int(match.group(2))
# Get chain
chain = get_bump_chain(layer)
if smooth_bump_ch and get_channel_enabled(smooth_bump_ch) and get_mask_enabled(mask) and (
(write_height_ch or mask_idx < chain) and (mask.use_baked or mask.type not in {'OBJECT_INDEX', 'COLOR_ID', 'BACKFACE', 'MODIFIER', 'EDGE_DETECT', 'HEMI', 'VCOL'})
):
#if not mask.use_baked and mask.type in {'VCOL', 'HEMI', 'EDGE_DETECT'}:
# lib_name = lib.NEIGHBOR_FAKE
#else:
lib_name = lib.get_neighbor_uv_tree_name(mask.texcoord_type, entity=mask)
uv_neighbor, dirty = replace_new_node(tree, mask, 'uv_neighbor',
'ShaderNodeGroup', 'UV Neighbor', lib_name, return_status=True, hard_replace=True)
set_uv_neighbor_resolution(mask, uv_neighbor)
return dirty
else:
return remove_node(tree, mask, 'uv_neighbor')
return False
def enable_mask_source_tree(layer, mask, reconnect = False):
# Check if source tree is already available
#if (mask.use_baked or mask.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'COLOR_ID', 'BACKFACE', 'EDGE_DETECT'}) and mask.group_node != '': return
layer_tree = get_tree(layer)
# Create uv neighbor
#check_mask_uv_neighbor(layer_tree, layer, mask)
if mask.group_node == '' and (mask.use_baked or mask.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'COLOR_ID', 'BACKFACE', 'EDGE_DETECT'}):
# Get current source for reference
source_ref = layer_tree.nodes.get(mask.source)
baked_source_ref = layer_tree.nodes.get(mask.baked_source)
linear_ref = layer_tree.nodes.get(mask.linear)
# Create mask tree
mask_tree = bpy.data.node_groups.new(MASKGROUP_PREFIX + mask.name, 'ShaderNodeTree')
# Create input and outputs
if mask.type == 'MODIFIER':
new_tree_input(mask_tree, 'Value', 'NodeSocketFloat')
else: new_tree_input(mask_tree, 'Vector', 'NodeSocketVector')
new_tree_output(mask_tree, 'Value', 'NodeSocketFloat')
create_essential_nodes(mask_tree)
# Copy nodes from reference
source = new_node(mask_tree, mask, 'source', source_ref.bl_idname)
copy_node_props(source_ref, source)
if baked_source_ref:
baked_source = new_node(mask_tree, mask, 'baked_source', baked_source_ref.bl_idname)
copy_node_props(baked_source_ref, baked_source)
if linear_ref:
linear = new_node(mask_tree, mask, 'linear', linear_ref.bl_idname)
copy_node_props(linear_ref, linear)
# Create source node group
group_node = new_node(layer_tree, mask, 'group_node', 'ShaderNodeGroup', 'source_group')
source_n = new_node(layer_tree, mask, 'source_n', 'ShaderNodeGroup', 'source_n')
source_s = new_node(layer_tree, mask, 'source_s', 'ShaderNodeGroup', 'source_s')
source_e = new_node(layer_tree, mask, 'source_e', 'ShaderNodeGroup', 'source_e')
source_w = new_node(layer_tree, mask, 'source_w', 'ShaderNodeGroup', 'source_w')
group_node.node_tree = mask_tree
source_n.node_tree = mask_tree
source_s.node_tree = mask_tree
source_e.node_tree = mask_tree
source_w.node_tree = mask_tree
for mod in mask.modifiers:
MaskModifier.add_modifier_nodes(mod, mask_tree, layer_tree)
# Remove previous nodes
layer_tree.nodes.remove(source_ref)
if baked_source_ref: layer_tree.nodes.remove(baked_source_ref)
if linear_ref: layer_tree.nodes.remove(linear_ref)
if reconnect:
# Reconnect outside nodes
reconnect_layer_nodes(layer)
# Rearrange nodes
rearrange_layer_nodes(layer)
def disable_mask_source_tree(layer, mask, reconnect=False):
# Check if source tree is already gone
#if mask.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'COLOR_ID', 'BACKFACE'} and mask.group_node == '': return
layer_tree = get_tree(layer)
if mask.group_node != '': #and (mask.use_baked or mask.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'COLOR_ID', 'BACKFACE'}):
mask_tree = get_mask_tree(mask)
source_ref = mask_tree.nodes.get(mask.source)
baked_source_ref = mask_tree.nodes.get(mask.baked_source)
linear_ref = mask_tree.nodes.get(mask.linear)
group_node = layer_tree.nodes.get(mask.group_node)
# Create new nodes
source = new_node(layer_tree, mask, 'source', source_ref.bl_idname)
copy_node_props(source_ref, source)
if baked_source_ref:
baked_source = new_node(layer_tree, mask, 'baked_source', baked_source_ref.bl_idname)
copy_node_props(baked_source_ref, baked_source)
if linear_ref:
linear = new_node(layer_tree, mask, 'linear', linear_ref.bl_idname)
copy_node_props(linear_ref, linear)
for mod in mask.modifiers:
MaskModifier.add_modifier_nodes(mod, layer_tree, mask_tree)
# Remove previous source
remove_node(layer_tree, mask, 'group_node')
remove_node(layer_tree, mask, 'source_n')
remove_node(layer_tree, mask, 'source_s')
remove_node(layer_tree, mask, 'source_e')
remove_node(layer_tree, mask, 'source_w')
remove_node(layer_tree, mask, 'tangent')
remove_node(layer_tree, mask, 'bitangent')
remove_node(layer_tree, mask, 'tangent_flip')
remove_node(layer_tree, mask, 'bitangent_flip')
#remove_node(layer_tree, mask, 'uv_neighbor')
if reconnect:
# Reconnect outside nodes
reconnect_layer_nodes(layer)
# Rearrange nodes
rearrange_layer_nodes(layer)
def check_create_height_pack(layer, tree, height_root_ch, height_ch):
channel_enabled = get_channel_enabled(height_ch, layer, height_root_ch)
need_reconnect = False
# Height unpack for group layer
if channel_enabled and height_root_ch.enable_smooth_bump and layer.type == 'GROUP':
height_group_unpack, dirty = replace_new_node(tree, height_ch, 'height_group_unpack',
'ShaderNodeGroup', 'Unpack Height Group', lib.UNPACK_ONSEW, return_status=True)
if dirty: need_reconnect = True
height_alpha_group_unpack, dirty = replace_new_node(tree, height_ch, 'height_alpha_group_unpack',
'ShaderNodeGroup', 'Pack Height Alpha Group', lib.UNPACK_ONSEW, return_status=True)
if dirty: need_reconnect = True
else:
if remove_node(tree, height_ch, 'height_group_unpack'): need_reconnect = True
if remove_node(tree, height_ch, 'height_alpha_group_unpack'): need_reconnect = True
return need_reconnect
def check_create_spread_alpha(layer, tree, root_ch, ch):
channel_enabled = get_channel_enabled(ch, layer, root_ch)
need_reconnect = False
# NOTE: Remove spread alpha node entirely (at least for now), since it provides almost nothing in most situation
if False and channel_enabled and layer.type == 'IMAGE' and ch.normal_map_type != 'NORMAL_MAP': # and ch.enable_transition_bump:
if root_ch.enable_smooth_bump:
spread_alpha, dirty = replace_new_node(tree, ch, 'spread_alpha',
'ShaderNodeGroup', 'Spread Alpha Hack', lib.SPREAD_ALPHA_SMOOTH, hard_replace=True, return_status=True)
else:
spread_alpha, dirty = replace_new_node(tree, ch, 'spread_alpha',
'ShaderNodeGroup', 'Spread Alpha Hack', lib.SPREAD_ALPHA, hard_replace=True, return_status=True)
if dirty: need_reconnect = True
else:
if remove_node(tree, ch, 'spread_alpha'): need_reconnect = True
return need_reconnect
def check_mask_mix_nodes(layer, tree=None, specific_mask=None, specific_ch=None):
yp = layer.id_data.yp
if not tree: tree = get_tree(layer)
need_reconnect = False
trans_bump = get_transition_bump_channel(layer)
trans_bump_flip = trans_bump.transition_bump_flip if trans_bump else False
height_process_needed = is_height_process_needed(layer)
chain = get_bump_chain(layer)
for i, mask in enumerate(layer.masks):
if specific_mask and mask != specific_mask: continue
for j, c in enumerate(mask.channels):
ch = layer.channels[j]
root_ch = yp.channels[j]
channel_enabled = get_channel_enabled(ch, layer, root_ch)
write_height = get_write_height(ch)
if specific_ch and ch != specific_ch: continue
if not channel_enabled or not layer.enable_masks or not mask.enable or not c.enable:
if remove_node(tree, c, 'mix'): need_reconnect = True
if remove_node(tree, c, 'mix_remains'): need_reconnect = True
if remove_node(tree, c, 'mix_limit'): need_reconnect = True
if remove_node(tree, c, 'mix_limit_normal'): need_reconnect = True
if root_ch.type == 'NORMAL':
if remove_node(tree, c, 'mix_pure'): need_reconnect = True
if remove_node(tree, c, 'mix_normal'): need_reconnect = True
continue
if (root_ch.type == 'NORMAL' and root_ch.enable_smooth_bump and height_process_needed and
(write_height or (not write_height and i < chain))
):
mix = tree.nodes.get(c.mix)
if mix and (mix.type != 'GROUP' or not mix.name.endswith(mask.blend_type)):
if remove_node(tree, c, 'mix'): need_reconnect = True
mix = None
if not mix:
need_reconnect = True
mix = new_node(tree, c, 'mix', 'ShaderNodeGroup', 'Mask Blend')
mix.node_tree = lib.get_smooth_mix_node(mask.blend_type, layer.type)
set_default_value(mix, 0, mask.intensity_value)
else:
mix = tree.nodes.get(c.mix)
if mix and mix.type not in {'MIX_RGB', 'MIX'}:
if remove_node(tree, c, 'mix'): need_reconnect = True
mix = None
if not mix:
need_reconnect = True
mix = new_mix_node(tree, c, 'mix', 'Mask Blend')
mix.inputs[0].default_value = mask.intensity_value
mix.blend_type = mask.blend_type
# Use clamp to keep value between 0.0 to 1.0
if mask.blend_type not in {'MIX', 'MULTIPLY'}:
set_mix_clamp(mix, True)
if root_ch.type == 'NORMAL':
if i >= chain and trans_bump and ch == trans_bump:
mix_pure = tree.nodes.get(c.mix_pure)
if not mix_pure:
need_reconnect = True
mix_pure = new_mix_node(tree, c, 'mix_pure', 'Mask Blend Pure')
mix_pure.blend_type = mask.blend_type
# Use clamp to keep value between 0.0 to 1.0
set_mix_clamp(mix_pure, True)
mix_pure.inputs[0].default_value = mask.intensity_value
else:
if remove_node(tree, c, 'mix_pure'): need_reconnect = True
if i >= chain and (
(trans_bump and ch == trans_bump and ch.transition_bump_crease) or
(not trans_bump)
):
mix_remains = tree.nodes.get(c.mix_remains)
if not mix_remains:
need_reconnect = True
mix_remains = new_mix_node(tree, c, 'mix_remains', 'Mask Blend Remaining')
mix_remains.inputs[0].default_value = mask.intensity_value
mix_remains.blend_type = mask.blend_type
# Use clamp to keep value between 0.0 to 1.0
if mask.blend_type not in {'MIX', 'MULTIPLY'}:
set_mix_clamp(mix_remains, True)
else:
if remove_node(tree, c, 'mix_remains'): need_reconnect = True
if layer.type == 'GROUP' and is_layer_using_normal_map(layer):
mix_normal = tree.nodes.get(c.mix_normal)
if not mix_normal:
need_reconnect = True
mix_normal = new_mix_node(tree, c, 'mix_normal', 'Mask Normal')
mix_normal.inputs[0].default_value = mask.intensity_value
mix_normal.blend_type = mask.blend_type
# Use clamp to keep value between 0.0 to 1.0
if mask.blend_type not in {'MIX', 'MULTIPLY'}:
set_mix_clamp(mix_normal, True)
else:
if remove_node(tree, c, 'mix_normal'): need_reconnect = True
else:
if (trans_bump and i >= chain and (
(trans_bump_flip and ch.enable_transition_ramp) or
(not trans_bump_flip and ch.enable_transition_ao)
)):
mix_remains = tree.nodes.get(c.mix_remains)
if not mix_remains:
need_reconnect = True
mix_remains = new_mix_node(tree, c, 'mix_remains', 'Mask Blend n')
mix_remains.inputs[0].default_value = mask.intensity_value
mix_remains.blend_type = mask.blend_type
# Use clamp to keep value between 0.0 to 1.0
if mask.blend_type not in {'MIX', 'MULTIPLY'}:
set_mix_clamp(mix_remains, True)
else:
if remove_node(tree, c, 'mix_remains'): need_reconnect = True
if layer.type == 'GROUP' and mask.blend_type in limited_mask_blend_types:
if root_ch.type != 'NORMAL' or not root_ch.enable_smooth_bump and height_process_needed:
mix_limit = tree.nodes.get(c.mix_limit)
if not mix_limit:
need_reconnect = True
mix_limit = new_node(tree, c, 'mix_limit', 'ShaderNodeMath', root_ch.name + ' Mask Limit')
mix_limit.operation = 'MINIMUM'
mix_limit.use_clamp = True
else:
if remove_node(tree, c, 'mix_limit'): need_reconnect = True
if root_ch.type == 'NORMAL':
mix_limit_normal = tree.nodes.get(c.mix_limit_normal)
if not mix_limit_normal:
need_reconnect = True
mix_limit_normal = new_node(tree, c, 'mix_limit_normal', 'ShaderNodeMath', root_ch.name + ' Mask Limit Normal')
mix_limit_normal.operation = 'MINIMUM'
mix_limit_normal.use_clamp = True
else:
if remove_node(tree, c, 'mix_limit'): need_reconnect = True
if remove_node(tree, c, 'mix_limit_normal'): need_reconnect = True
return need_reconnect
def check_mask_source_tree(layer, specific_mask=None): #, ch=None):
#print("Checking mask source tree. Layer: " + layer.name + ' Specific Mask: ' + str(specific_mask))
yp = layer.id_data.yp
smooth_bump_ch = get_smooth_bump_channel(layer)
write_height_ch = get_write_height_normal_channel(layer)
chain = get_bump_chain(layer)
ch_idx = get_layer_channel_index(layer, smooth_bump_ch)
tree = get_tree(layer)
height_process_needed = is_height_process_needed(layer)
for i, mask in enumerate(layer.masks):
if specific_mask and specific_mask != mask: continue
if smooth_bump_ch and get_channel_enabled(smooth_bump_ch, layer, yp.channels[ch_idx]) and get_mask_enabled(mask) and (
mask.channels[ch_idx].enable and height_process_needed and (write_height_ch or i < chain) and
(mask.use_baked or mask.type not in {'VCOL', 'HEMI', 'OBJECT_INDEX', 'COLOR_ID', 'BACKFACE', 'EDGE_DETECT'})
):
enable_mask_source_tree(layer, mask)
else:
disable_mask_source_tree(layer, mask)
check_mask_uv_neighbor(tree, layer, mask)
def remove_tangent_sign_vcol(obj, uv_name):
mat = obj.active_material
objs = []
if obj.type == 'MESH':
objs.append(obj)
if mat.users > 1:
for ob in get_scene_objects():
if ob.type != 'MESH': continue
if mat.name in ob.data.materials and ob not in objs:
objs.append(ob)
for ob in objs:
vcols = get_vertex_colors(ob)
vcol = vcols.get(TANGENT_SIGN_PREFIX + uv_name)
if vcol: vcol = vcols.remove(vcol)
def recover_tangent_sign_process(ori_obj, ori_mode, ori_selects):
# Recover selected and active objects
bpy.ops.object.select_all(action='DESELECT')
for o in ori_selects:
if is_greater_than_280(): o.select_set(True)
else: o.select = True
if is_greater_than_280(): bpy.context.view_layer.objects.active = ori_obj
else: bpy.context.scene.objects.active = ori_obj
# Back to original mode
if ori_mode != ori_obj.mode:
bpy.ops.object.mode_set(mode=ori_mode)
def actual_refresh_tangent_sign_vcol(obj, uv_name):
if obj.type != 'MESH': return None
# Cannot do this on edit mode
ori_obj = bpy.context.object
ori_mode = ori_obj.mode
if ori_mode != 'OBJECT':
bpy.ops.object.mode_set(mode='OBJECT')
# Select only relevant object
ori_selects = [o for o in bpy.context.selected_objects]
bpy.ops.object.select_all(action='DESELECT')
if is_greater_than_280():
obj.select_set(True)
bpy.context.view_layer.objects.active = obj
else:
obj.select = True
bpy.context.scene.objects.active = obj
# Set vertex color of bitangent sign
uv_layers = get_uv_layers(obj)
uv_layer = uv_layers.get(uv_name)
if uv_layer:
# Set uv as active
ori_layer_name = uv_layers.active.name
uv_layers.active = uv_layer
# Get vertex color
vcols = get_vertex_colors(obj)
vcol = vcols.get(TANGENT_SIGN_PREFIX + uv_name)
if not vcol:
try:
vcol = new_vertex_color(obj, TANGENT_SIGN_PREFIX + uv_name)
except:
recover_tangent_sign_process(ori_obj, ori_mode, ori_selects)
return None
# Set default color to be white
if is_greater_than_280():
for d in vcol.data:
d.color = (1.0, 1.0, 1.0, 1.0)
else:
for d in vcol.data:
d.color = (1.0, 1.0, 1.0)
# Use try except because ngon can cause error
try:
# Calc tangents
obj.data.calc_tangents()
# Get vcol again after calculate tangent to prevent error
vcol = vcols.get(TANGENT_SIGN_PREFIX + uv_name)
# Set tangent sign to vertex color
i = 0
for poly in obj.data.polygons:
for idx in poly.loop_indices:
vert = obj.data.loops[idx]
bs = max(vert.bitangent_sign, 0.0)
# Invert bitangent sign so the default value is 0.0 rather than 1.0
bs = 1.0 - bs
if is_greater_than_280():
vcol.data[i].color = (bs, bs, bs, 1.0)
else: vcol.data[i].color = (bs, bs, bs)
i += 1
# If using ngon, need a temporary mesh
except:
# Remember selection
if is_greater_than_280():
ori_select = [o for o in bpy.context.view_layer.objects if o.select_get()]
else: ori_select = [o for o in bpy.context.scene.objects if o.select]
# If object has multi users, get all related objects
related_objs = []
if obj.data.users > 1:
for o in get_scene_objects():
if o.data == obj.data and o != obj:
related_objs.append(o)
# Make object data single user
obj.data = obj.data.copy()
temp_ob = obj.copy()
temp_ob.data = obj.data.copy()
temp_ob.name = '___TEMP__'
if is_greater_than_280():
bpy.context.scene.collection.objects.link(temp_ob)
bpy.context.view_layer.objects.active = temp_ob
else:
bpy.context.scene.objects.link(temp_ob)
bpy.context.scene.objects.active = temp_ob
# Triangulate ngon faces on temp object
bpy.ops.object.select_all(action='DESELECT')
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.reveal()
bpy.ops.mesh.select_all(action='DESELECT')
bpy.ops.mesh.select_mode(type="FACE")
bpy.ops.mesh.select_face_by_sides(number=4, type='GREATER')
bpy.ops.mesh.quads_convert_to_tris()
bpy.ops.mesh.tris_convert_to_quads()
bpy.ops.object.mode_set(mode='OBJECT')
# Remove all modifiers on temp object
for mod in temp_ob.modifiers:
bpy.ops.object.modifier_remove(modifier=mod.name)
# Calc tangents
temp_ob.data.calc_tangents()
# Set tangent sign to vertex color
tvcols = get_vertex_colors(temp_ob)
temp_vcol = tvcols.get(TANGENT_SIGN_PREFIX + uv_name)
i = 0
for poly in temp_ob.data.polygons:
for idx in poly.loop_indices:
vert = temp_ob.data.loops[idx]
bs = max(vert.bitangent_sign, 0.0)
# Invert bitangent sign so the default value is 0.0 rather than 1.0
bs = 1.0 - bs
if is_greater_than_280():
temp_vcol.data[i].color = (bs, bs, bs, 1.0)
else: temp_vcol.data[i].color = (bs, bs, bs)
i += 1
# Set active object back to the original mesh
if is_greater_than_280():
bpy.context.view_layer.objects.active = obj
else: bpy.context.scene.objects.active = obj
# Number of original modifiers
num_mods = len(obj.modifiers)
# Remember original enabled modifiers
ori_show_render_mods = []
ori_show_viewport_mods = []
for m in obj.modifiers:
ori_show_viewport_mods.append(m.show_viewport)
ori_show_render_mods.append(m.show_render)
m.show_viewport = False
m.show_render = False
# Add data transfer to original object
mod_name = 'Transferz'
mod = obj.modifiers.new(mod_name, 'DATA_TRANSFER')
# Move data transfer modifier to the top
#for i in range(len(obj.modifiers)-1):
for i in range(num_mods):
bpy.ops.object.modifier_move_up(modifier=mod_name)
# Set transfer object
mod.object = temp_ob
mod.use_loop_data = True
mod.data_types_loops = {'VCOL'}
# Apply modifier
bpy.ops.object.modifier_apply(modifier=mod_name)
# Recover original enabled modifiers
for i, m in enumerate(obj.modifiers):
if ori_show_viewport_mods[i]:
m.show_viewport = ori_show_viewport_mods[i]
if ori_show_render_mods[i]:
m.show_render = ori_show_render_mods[i]
# Delete temp object
temp_me = temp_ob.data
bpy.data.objects.remove(temp_ob)
bpy.data.meshes.remove(temp_me)
# Set back original select
for o in ori_select:
if is_greater_than_280():
o.select_set(True)
else: o.select = True
# Bring object data to related objects
if related_objs:
ori_mesh = related_objs[0].data
ori_name = ori_mesh.name
for o in related_objs:
o.data = obj.data
bpy.data.meshes.remove(ori_mesh)
o.data.name = ori_name
# Recover active uv
set_active_uv_layer(obj, ori_layer_name)
# Recovers
recover_tangent_sign_process(ori_obj, ori_mode, ori_selects)
# Get vcol again to make sure the data is consistent
vcols = get_vertex_colors(obj)
vcol = vcols.get(TANGENT_SIGN_PREFIX + uv_name)
return vcol
# Recovers
recover_tangent_sign_process(ori_obj, ori_mode, ori_selects)
return None
def refresh_tangent_sign_vcol(obj, uv_name):
vcol = actual_refresh_tangent_sign_vcol(obj, uv_name)
mat = obj.active_material
# Flag for already processed mesh
meshes_done = [obj.data]
obs = get_all_objects_with_same_materials(mat)
for ob in obs:
if ob != obj and ob.data not in meshes_done:
other_v = actual_refresh_tangent_sign_vcol(ob, uv_name)
meshes_done.append(ob.data)
return vcol
def update_enable_tangent_sign_hacks(self, context):
node = get_active_ypaint_node()
tree = node.node_tree
yp = tree.yp
#ypui = context.window_manager.ypui
ypui = self
obj = context.object
for uv in yp.uvs:
tangent_process = tree.nodes.get(uv.tangent_process)
if tangent_process:
tsign = tangent_process.node_tree.nodes.get('_tangent_sign')
if is_tangent_sign_hacks_needed(yp):
vcol = refresh_tangent_sign_vcol(obj, uv.name)
if vcol: tsign.attribute_name = vcol.name
else:
tsign.attribute_name = ''
remove_tangent_sign_vcol(obj, uv.name)
def check_actual_uv_nodes(yp, uv, obj):
tree = yp.id_data
if is_any_entity_using_uv(yp, uv.name):
uv_map = tree.nodes.get(uv.uv_map)
if not uv_map:
uv_map = new_node(tree, uv, 'uv_map', 'ShaderNodeUVMap', uv.name)
uv_map.uv_map = uv.name
else:
remove_node(tree, uv, 'uv_map')
if is_tangent_process_needed(yp, uv.name):
tangent_process = tree.nodes.get(uv.tangent_process)