mesh.py 文件源码

def materialsCheck(bld) :
    if hasattr(bld,'materialslots') == False :
        #print(bld.__class__.__name__)
        builderclass = eval('bpy.types.%s'%(bld.__class__.__name__))
        builderclass.materialslots=[bld.className()]

    matslots = bld.materialslots
    if len(matslots) > 0 :
        for matname in matslots :
            if matname not in bpy.data.materials :
                mat = bpy.data.materials.new(name=matname)
                mat.use_fake_user = True
                if hasattr(bld,'mat_%s'%(matname)) :
                    method = 'defined by builder'
                    matdef = eval('bld.mat_%s'%(matname))
                    mat.diffuse_color = matdef['diffuse_color']
                else :
                    method = 'random'
                    mat.diffuse_color=( random.uniform(0.0,1.0),random.uniform(0.0,1.0),random.uniform(0.0,1.0))
                dprint('Created missing material %s (%s)'%(matname,method),2)