def create_locator(name):
pm.select(None)
global THU_MFT_LOCATOR_MATERIAL_NAME, THU_MFT_LOCATOR_ATTR
try:
material = pm.PyNode(THU_MFT_LOCATOR_MATERIAL_NAME)
except:
material = pm.createSurfaceShader(
'lambert', name=THU_MFT_LOCATOR_MATERIAL_NAME)[0]
material.color.set((1, 0, 0))
material.transparency.set((0.8, 0.8, 0.8))
loc_name = '%s_%s' % (name, THU_MFT_LOCATOR_ATTR)
try:
locator_trans = pm.PyNode(loc_name)
except:
locator_trans = pm.polyPlane(name=loc_name, sw=1, sh=1)[0]
pm.sets(material.shadingGroups()[0],
edit=True,
forceElement=locator_trans)
if (not locator_trans.hasAttr(THU_MFT_LOCATOR_ATTR)):
locator_trans.addAttr(THU_MFT_LOCATOR_ATTR, dt='string')
locator_trans.setAttr(THU_MFT_LOCATOR_ATTR, name)
return locator_trans
def create_locator( name ) : pm.select( None ) global THU_MFT_LOCATOR_MATERIAL_NAME, THU_MFT_LOCATOR_ATTR try : material = pm.PyNode( THU_MFT_LOCATOR_MATERIAL_NAME ) except : material = pm.createSurfaceShader( 'lambert', name=THU_MFT_LOCATOR_MATERIAL_NAME )[0] material.color.set( ( 1, 0, 0 ) ) material.transparency.set( ( 0.8, 0.8, 0.8 ) ) loc_name = '%s_%s' % ( name, THU_MFT_LOCATOR_ATTR ) try : locator_trans = pm.PyNode( loc_name ) except : locator_trans = pm.polyPlane( name=loc_name, sw=1, sh=1 )[0] pm.sets( material.shadingGroups()[0], edit=True, forceElement=locator_trans ) if( not locator_trans.hasAttr( THU_MFT_LOCATOR_ATTR ) ) : locator_trans.addAttr( THU_MFT_LOCATOR_ATTR, dt='string' ) locator_trans.setAttr( THU_MFT_LOCATOR_ATTR, name ) return locator_trans
def create_blinn(self):
"""
creates a blinn for observing how light interacts with the surface of an object
"""
oSel = pm.ls(sl=True)
self.normal_shader = pm.shadingNode('blinn', asShader=True)
self.normal_shading_group = pm.sets(renderable=True,
noSurfaceShader=True,
empty=True)
pm.connectAttr('%s.outColor' % self.normal_shader,
'%s.surfaceShader' % self.normal_shading_group)
for objs in oSel:
pm.select(objs)
pm.hyperShade(assign='%s' % self.normal_shader)
pm.select(oSel)
def create_mesh( xml_path, name, locator=None ) :
pm.select( None )
tree = et.parse( xml_path )
root_keys = tree.getroot().keys()
if( not 'imagePath' in root_keys ) :
pm.error( 'The XML file does not appear to be a Texture Packer XML' )
texture_size = ( tree.getroot().get( 'width' ), tree.getroot().get( 'height' ) )
sprite = tree.find( ".//*[@n='%s']" % ( name ) )
material = create_material( xml_path )
if( not len( material.shadingGroups() ) ) :
pm.error( 'Material %s is not connected to a Shading Group. Aborting.' )
plane_name = __get_filename_noext( name ) + '_G'
if( locator ) :
plane_name = '%s_%s' % ( locator.name(), plane_name )
try :
plane_trans = pm.PyNode( plane_name )
except :
# v = pm.datatypes.Vector( float(sprite.get('w')) / 100.0, float(sprite.get('h')) / 100.0 )
# v = v.normal()
w_scale = float(sprite.get('w')) / 100.0
h_scale = float(sprite.get('h')) / 100.0
w_h = w_scale / h_scale
h_w = h_scale / w_scale
if( w_h > h_w ) :
wp = 1.0 / w_h
# print wp
w_scale = 1.0
h_scale = 1.0 / w_h
# print 'w_h', w_scale, h_scale
else :
hp = 1.0 / h_w
# print hp
h_scale = 1.0
w_scale = 1.0 / h_w
# print w_h, h_w
# print 'h_w', w_scale, h_scale
plane_trans = pm.polyPlane(
name=plane_name,
sw=1, sh=1,
w=w_scale, h=h_scale
)[0]
plane_shape = plane_trans.getShape()
if( not plane_trans.hasAttr( THU_MFT_SPRITE_ATTR ) ) :
plane_trans.addAttr( THU_MFT_SPRITE_ATTR, dt='string' )
plane_trans.setAttr( THU_MFT_SPRITE_ATTR, name.replace( '.png', '' ) )
pm.sets( material.shadingGroups()[0], edit=True, forceElement=plane_trans )
sx = ( float( sprite.get( 'x' ) ) / float( texture_size[0] ) )
sy = 1 - ( float( sprite.get( 'y' ) ) / float( texture_size[1] ) )
sw = ( float( sprite.get( 'w' ) ) / float( texture_size[0] ) )
sh = ( float( sprite.get( 'h' ) ) / float( texture_size[1] ) )
uv_positions = (
( sx, sy - sh ),
( sx + sw, sy - sh ),
( sx, sy ),
( sx + sw, sy )
)
for uv, uv_position in zip( plane_shape.uvs, uv_positions ) :
pm.polyEditUV( uv, r=False, u=uv_position[0], v=uv_position[1] )
if( locator ) :
# print locator
plane_trans.setParent( locator )
plane_trans.setTranslation( ( 0, 0, 0 ) )
plane_trans.setRotation( ( 0, 0, 0 ) )
plane_trans.setScale( ( 1, 1, 1 ) )
locator_bounds = locator.getBoundingBox()
plane_bounds = plane_trans.getBoundingBox()
if( plane_bounds.width() > plane_bounds.height() ) :
pass
else :
s = locator_bounds.height() / plane_bounds.height()
# plane_trans.setScale( (s, s, s) )
pm.select( plane_trans )
return plane_trans
def splitByMaterials( mesh, outputGrp ) : materials = mesh.listConnections(type=pm.nodetypes.ShadingEngine) print mesh.name() materials = list(set(materials)) for material in materials : # print '----- ' + material.name() __st(1) faces = material.members( flatten=True ) outmesh = None for facelist in faces : if( type( facelist ) is pm.Mesh ) : facelist = facelist.f[:] shape = facelist.node() if( shape == mesh ) : __st(6) duplicate = facelist.node().getTransform().duplicate()[0] if( duplicate is None ) : pm.warning( "%s could not be duplicated" % mesh.name() ) continue duplicate.setParent(outputGrp) dupfacelist = facelist.indices() dupallfaces = duplicate.f[:].indices() deletefacelist = duplicate.f[facelist.indices()] __et(6, 'initTime') __st(2) # deletefacelist = [ duplicate.f[face] for face in dupallfaces if face not in dupfacelist ] pm.select(deletefacelist) pm.runtime.InvertSelection() # deletefacelist = pm.ls(sl=True, fl=True) __et(2, 'obtainFaceListTime') __st(3) pm.delete() __et(3, 'deleteFaceTime') # pm.filterExpand(dupfacelist, sm=34) __st(4) # pm.mel.select( duplicate.f[:] ) # pm.hyperShade(assign=material) pm.sets( material, fe=duplicate.f[:] ) __et(4, 'assignMaterialTime') outmesh = duplicate __st(5) try: outmeshGrp = pm.PyNode( '%s|%s' % ( OUTPUT_GRP_NAME, material.name() + '_split' ) ) except (pm.MayaNodeError) : outmeshGrp = pm.group(name=material.name() + '_split', parent=pm.PyNode(OUTPUT_GRP_NAME), empty=True) outmesh.setParent(outmeshGrp) __et(5, 'tidyUpTime') __et( 1, material.name() + ' done' )
def create_mesh(xml_path, name, locator=None):
pm.select(None)
tree = et.parse(xml_path)
root_keys = tree.getroot().keys()
if (not 'imagePath' in root_keys):
pm.error('The XML file does not appear to be a Texture Packer XML')
texture_size = (tree.getroot().get('width'), tree.getroot().get('height'))
sprite = tree.find(".//*[@n='%s']" % (name))
material = create_material(xml_path)
if (not len(material.shadingGroups())):
pm.error('Material %s is not connected to a Shading Group. Aborting.')
plane_name = __get_filename_noext(name) + '_G'
if (locator):
plane_name = '%s_%s' % (locator.name(), plane_name)
try:
plane_trans = pm.PyNode(plane_name)
except:
# v = pm.datatypes.Vector( float(sprite.get('w')) / 100.0, float(sprite.get('h')) / 100.0 )
# v = v.normal()
w_scale = float(sprite.get('w')) / 100.0
h_scale = float(sprite.get('h')) / 100.0
w_h = w_scale / h_scale
h_w = h_scale / w_scale
if (w_h > h_w):
wp = 1.0 / w_h
# print wp
w_scale = 1.0
h_scale = 1.0 / w_h
# print 'w_h', w_scale, h_scale
else:
hp = 1.0 / h_w
# print hp
h_scale = 1.0
w_scale = 1.0 / h_w
# print w_h, h_w
# print 'h_w', w_scale, h_scale
plane_trans = pm.polyPlane(name=plane_name,
sw=1,
sh=1,
w=w_scale,
h=h_scale)[0]
plane_shape = plane_trans.getShape()
if (not plane_trans.hasAttr(THU_MFT_SPRITE_ATTR)):
plane_trans.addAttr(THU_MFT_SPRITE_ATTR, dt='string')
plane_trans.setAttr(THU_MFT_SPRITE_ATTR, name.replace('.png', ''))
pm.sets(material.shadingGroups()[0], edit=True, forceElement=plane_trans)
sx = (float(sprite.get('x')) / float(texture_size[0]))
sy = 1 - (float(sprite.get('y')) / float(texture_size[1]))
sw = (float(sprite.get('w')) / float(texture_size[0]))
sh = (float(sprite.get('h')) / float(texture_size[1]))
uv_positions = ((sx, sy - sh), (sx + sw, sy - sh), (sx, sy), (sx + sw, sy))
for uv, uv_position in zip(plane_shape.uvs, uv_positions):
pm.polyEditUV(uv, r=False, u=uv_position[0], v=uv_position[1])
if (locator):
# print locator
plane_trans.setParent(locator)
plane_trans.setTranslation((0, 0, 0))
plane_trans.setRotation((0, 0, 0))
plane_trans.setScale((1, 1, 1))
locator_bounds = locator.getBoundingBox()
plane_bounds = plane_trans.getBoundingBox()
if (plane_bounds.width() > plane_bounds.height()):
pass
else:
s = locator_bounds.height() / plane_bounds.height()
# plane_trans.setScale( (s, s, s) )
pm.select(plane_trans)
return plane_trans