##################### IMPORTER CODE #####################
# This code is called when instances of this SOP cook.
node = hou.pwd()
geo = node.geometry()

frame = int(hou.frame())
filePath = hou.pwd().evalParm("filePath")
f = open(filePath + '/parts_' + '%04d' % (frame) + '.txt', 'r')

line = f.readline()
line = f.readline()
line = f.readline()
line = f.readline()
while(line != ""):
    sl = str.split(line)
    x = float(sl[1])
    y = float(sl[2])
    z = float(sl[3])
    
    point = geo.createPoint()
    point.setPosition((x,y,z))
        
    line = f.readline()
f.close()




##################### EXPORTER CODE #####################
# This code is called when instances of this SOP cook.
node = hou.pwd()
geo = node.geometry()
faces = geo.prims()

frame = int(hou.frame())
filePath = hou.pwd().evalParm("filePath")
file = open(filePath + '/mesh_' + '%04d' % (frame) + '.obj', 'w')

for face in faces:
    vertex = face.positionAt(2.0/3.0)
    x = vertex[0]
    y = vertex[1]
    z = vertex[2]
    file.write( 'v ' + str(x) + ' ' + str(y) + ' ' + str(z) + '\r\n' )
    vertex = face.positionAt(1.0/3.0)
    x = vertex[0]
    y = vertex[1]
    z = vertex[2]
    file.write( 'v ' + str(x) + ' ' + str(y) + ' ' + str(z) + '\r\n' )
    vertex = face.positionAt(0.0/3.0)
    x = vertex[0]
    y = vertex[1]
    z = vertex[2]
    file.write( 'v ' + str(x) + ' ' + str(y) + ' ' + str(z) + '\r\n' )

count = 0
for f in faces:
    file.write( 'f ' )
    file.write( str(3*count + 1) )
    file.write( ' ' )
    file.write( str(3*count + 2) )
    file.write( ' ' )
    file.write( str(3*count + 3) )
    file.write( '\r\n' )
    count = count + 1


file.close()