def set_nmap_flavor(node_tree, switch_on):
"""Set normal map flavor to this shader.
:param node_tree: node tree of current shader
:type node_tree: bpy.types.NodeTree
:param switch_on: flag indication if normal map should be switched on or off
:type switch_on: bool
"""
if switch_on:
# find minimal y position for input nodes and position flavor beneath it
min_y = None
for node in node_tree.nodes:
if node.location.x <= 185 and (min_y is None
or min_y > node.location.y):
min_y = node.location.y
lighting_eval_n = node_tree.nodes[Dif.LIGHTING_EVAL_NODE]
geom_n = node_tree.nodes[Dif.GEOM_NODE]
location = (lighting_eval_n.location.x - 185, min_y - 400)
nmap.init(node_tree, location,
lighting_eval_n.inputs['Normal Vector'],
geom_n.outputs['Normal'])
else:
nmap.delete(node_tree)
def set_nmap_flavor(node_tree, switch_on):
"""Set normal map flavor to this shader.
:param node_tree: node tree of current shader
:type node_tree: bpy.types.NodeTree
:param switch_on: flag indication if normal map should be switched on or off
:type switch_on: bool
"""
if switch_on:
out_node = node_tree.nodes[Dif.OUT_MAT_NODE]
location = (out_node.location.x - 185, out_node.location.y - 400)
nmap.init(node_tree, location, out_node.inputs['Normal'])
else:
nmap.delete(node_tree)
def set_nmap_flavor(node_tree, switch_on):
"""Set normal map flavor to this shader.
:param node_tree: node tree of current shader
:type node_tree: bpy.types.NodeTree
:param switch_on: flag indication if normal map should be switched on or off
:type switch_on: bool
"""
if switch_on:
out_node = node_tree.nodes[Dif.OUT_MAT_NODE]
location = (out_node.location.x - 185, out_node.location.y - 400)
nmap.init(node_tree, location, out_node.inputs['Normal'])
else:
nmap.delete(node_tree)
def delete(node_tree, preserve_node=False):
"""Delete normal map nodes from node tree.
:param node_tree: node tree from which normal map should be deleted
:type node_tree: bpy.types.NodeTree
:param preserve_node: if true node won't be deleted
:type preserve_node: bool
"""
if DET_NMAP_MAT_NODE in node_tree.nodes:
nmap_mat_n = node_tree.nodes[DET_NMAP_MAT_NODE]
material = nmap_mat_n.material
# remove and clear if possible
if material and material.users == 1:
textures = {}
# gather all used textures in this material
for i, tex_slot in enumerate(material.texture_slots):
if tex_slot and tex_slot.texture:
textures[i] = tex_slot.texture
# remove textures from texture slots first and check if texture can be cleared
for slot_i in textures.keys():
material.texture_slots.clear(slot_i)
if textures[slot_i].users <= 1:
textures[slot_i].user_clear()
# as last delete actually nmap material
node_tree.nodes[DET_NMAP_MAT_NODE].material = None
material.user_clear()
bpy.data.materials.remove(material)
if not preserve_node:
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_UV_SCALE_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_TEX_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_MAT_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_SCALE_GNODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_STRENGTH_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_MIX_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_SEPARATE_NODE])
node_tree.nodes.remove(node_tree.nodes[NMAP_SEPARATE_NODE])
node_tree.nodes.remove(node_tree.nodes[NMAP_DET_NMAP_COMBINE_NODE])
node_tree.nodes.remove(node_tree.nodes[NMAP_NORMALIZE_NODE])
nmap.delete(node_tree, preserve_node=preserve_node)
def delete(node_tree, preserve_node=False):
"""Delete normal map nodes from node tree.
:param node_tree: node tree from which normal map should be deleted
:type node_tree: bpy.types.NodeTree
:param preserve_node: if true node won't be deleted
:type preserve_node: bool
"""
if DET_NMAP_NODE in node_tree.nodes and not preserve_node:
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_UV_SCALE_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_TEX_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_SCALE_GNODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_STRENGTH_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_MIX_NODE])
node_tree.nodes.remove(node_tree.nodes[DET_NMAP_SEPARATE_NODE])
node_tree.nodes.remove(node_tree.nodes[NMAP_SEPARATE_NODE])
node_tree.nodes.remove(node_tree.nodes[NMAP_DET_NMAP_COMBINE_NODE])
node_tree.nodes.remove(node_tree.nodes[NMAP_NORMALIZE_NODE])
nmap.delete(node_tree, preserve_node=preserve_node)
def set_nmap_flavor(node_tree, switch_on):
"""Set normal map flavor to this shader.
:param node_tree: node tree of current shader
:type node_tree: bpy.types.NodeTree
:param switch_on: flag indication if normal map should be switched on or off
:type switch_on: bool
"""
if switch_on:
# find minimal y position for input nodes and position flavor beneath it
min_y = None
for node in node_tree.nodes:
if node.location.x <= 185 and (min_y is None or min_y > node.location.y):
min_y = node.location.y
out_node = node_tree.nodes[Dif.OUT_MAT_NODE]
location = (out_node.location.x - 185, min_y - 400)
nmap.init(node_tree, location, out_node.inputs['Normal'])
else:
nmap.delete(node_tree)
def set_nmap_flavor(node_tree, switch_on):
"""Set normal map flavor to this shader.
:param node_tree: node tree of current shader
:type node_tree: bpy.types.NodeTree
:param switch_on: flag indication if normal map should be switched on or off
:type switch_on: bool
"""
if switch_on:
# find minimal y position for input nodes and position flavor beneath it
min_y = None
for node in node_tree.nodes:
if node.location.x <= 185 and (min_y is None
or min_y > node.location.y):
min_y = node.location.y
out_node = node_tree.nodes[Dif.OUT_MAT_NODE]
location = (out_node.location.x - 185, min_y - 400)
nmap.init(node_tree, location, out_node.inputs['Normal'])
else:
nmap.delete(node_tree)