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#!BPY
"""
Name: 'Copy from Material...'
Blender: 242
Group: 'VertexPaint'
Tooltip: 'Writes material diffuse color as vertex colors.'
"""
__author__ = "Campbell Barton"
__url__ = ("www.blender.org", "blenderartists.org")
__version__ = "1.0"
__bpydoc__ = """\
This script copies material colors to vertex colors.
Optionaly you can operate on all faces and many objects as well as multiplying with the current color.
"""
from Blender import *
def matcol(mat):
'''
Returns the material color as a tuple 3 from 0 to 255
'''
if mat:
return \
int(mat.R*255),\
int(mat.G*255),\
int(mat.B*255)
return None
def mat2vcol(PREF_SEL_FACES_ONLY, PREF_ACTOB_ONLY, PREF_MULTIPLY_COLOR):
scn= Scene.GetCurrent()
if PREF_ACTOB_ONLY:
obs= [scn.getActiveObject()]
else:
obs= Object.GetSelected()
ob= scn.getActiveObject()
if ob not in obs:
obs.append(ob)
for ob in obs:
if ob.type != 'Mesh':
continue
me= ob.getData(mesh=1)
try:
me.faceUV=True
except: # no faces
continue
matcols= [matcol(mat) for mat in me.materials]
len_matcols= len(matcols)
for f in me.faces:
if not PREF_SEL_FACES_ONLY or f.sel:
f_mat= f.mat
if f_mat < len_matcols:
mat= matcols[f.mat]
if mat:
if PREF_MULTIPLY_COLOR:
for c in f.col:
c.r= int(((c.r/255.0) * (mat[0]/255.0)) * 255.0)
c.g= int(((c.g/255.0) * (mat[1]/255.0)) * 255.0)
c.b= int(((c.b/255.0) * (mat[2]/255.0)) * 255.0)
else:
for c in f.col:
c.r=mat[0]
c.g=mat[1]
c.b=mat[2]
me.update()
def main():
# Create the variables.
PREF_SEL_FACES_ONLY= Draw.Create(1)
PREF_ACTOB_ONLY= Draw.Create(1)
PREF_MULTIPLY_COLOR = Draw.Create(0)
pup_block = [\
('Sel Faces Only', PREF_SEL_FACES_ONLY, 'Only apply to selected faces.'),\
('Active Only', PREF_ACTOB_ONLY, 'Operate on all selected objects.'),\
('Multiply Existing', PREF_MULTIPLY_COLOR, 'Multiplies material color with existing.'),\
]
if not Draw.PupBlock('VCols from Material', pup_block):
return
PREF_SEL_FACES_ONLY= PREF_SEL_FACES_ONLY.val
PREF_ACTOB_ONLY= PREF_ACTOB_ONLY.val
PREF_MULTIPLY_COLOR= PREF_MULTIPLY_COLOR.val
mat2vcol(PREF_SEL_FACES_ONLY, PREF_ACTOB_ONLY, PREF_MULTIPLY_COLOR)
if __name__=='__main__':
main()
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