TRANSFORM.py

#!BPY

""" Registration info for Blender menus

Name: 'Shape Key Transfer'

Blender: 246

Group: 'Animation'

Tooltip: 'Transfer selected point positions inside of the same mesh from shape key to aother shape key'

"""

__author__ = "Nate Nesler"
__url__ = ("http://www.blender.org")
__version__ = "v07-27-2008"

__bpydoc__ = """\

***** BEGIN GPL LICENSE BLOCK *****



This program is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public License

as published by the Free Software Foundation; either version 2

of the License, or (at your option) any later version.



This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.



You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software Foundation,

Inc, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.



***** END GPL LICENCE BLOCK *****

--------------------------------------------------------------------------



This script allows you to align selected vertex points of a mesh from one shape to another of the same object.

"""


import Blender
from Blender.Draw import *
from Blender.BGL import *
from Blender.Types import *
from Blender.NMesh import *
from Blender.Mesh import *
from Blender.Window import *

transVert = []
captureVert = []

transStr = "transfer points: empty"
captureStr = "capture points: empty"

selectedMesh = 0
failur = ""

def typeCheck(obj_list):
    global failur
    ret = 0
    if len(obj_list) == 0: 
        failur = "ERROR: Select a Meshobject first!!"
        ret = 1
    elif type(obj_list[0].getData()) != NMeshType: 
        failur = "ERROR: Select a Meshobject first!!"
        ret = 1
    else: failur = ""
    return ret

# ================================================================
# ===== now capture the vertex coords and write them to file =====
# ================================================================
def captureSelectedVerts(vertList):
    ret = 0
    try:
        # create a file for writing
        outfile = open('./.blender/scripts/captureshapepoints/capture_shape_points.txt', 'w')
        for i in range(0, len(vertList)):
            if vertList[i].sel == 1:
                ret+=1
                # write each object name followed by a newline character
                outfile.write( '%d '%vertList[i].index )
                outfile.write( '%f '%vertList[i].co.x )
                outfile.write( '%f '%vertList[i].co.y )
                outfile.write( '%f \n'%vertList[i].co.z )
        outfile.close()
    except:
        print 'Check your file permissions to make sure you can write files.\n'
    else:
        if outfile: outfile.close()
        print 'done writing'
            
    return ret
    
# ========================================================
# ============== now get the vertex coords ===============
# ========================================================
def getSelectedVerts(vertList):
    ret = []
    for i in range(0, len(vertList)):
        if vertList[i].sel == 1:
            ret.append(vertList[i])
            print "Index: %d \n"%vertList[i].index
            print "Selected: %d \n"%vertList[i].sel
            
            for count in [0,1,2]:
                print "Coordinate XYZ: [%f] \n"%vertList[i].co[count]
            
    return ret

# ========================================================
# ============ now transfer the vertices coords ==========
# ========================================================
def movePointsTransfer(trans):
    capturedPoints=[]
    indexCoords=[]
    numTemp=""
    
    # open the file we just wrote
    try:
        infile = open('./.blender/scripts/captureshapepoints/capture_shape_points.txt', 'r')
        captureFile = infile.readlines()
    except:
        print 'Error reading file'
    else:
        infile.close()
        print 'done'

    for line in captureFile:
        indexCoords=[]
        countSet=0
        print "line = "+line+"\n"
        for char in line:
            print "char = "+char+"\n"
            if char != " ":
                numTemp+=char
            elif char == " ":
                print "Num Temp = "+numTemp+"\n"                    
                countSet+=1
                print "Count Set: %d \n"%countSet
                if countSet == 1:
                    indexCoords.append(int(numTemp))
                elif countSet > 1:
                    indexCoords.append(float(numTemp))
                    
                numTemp=""            
            capturedPoints.append(indexCoords)

    for count1 in range(0, len(capturedPoints)):
        indexCoords=capturedPoints[count1]
        print "captured points = %d \n"%indexCoords[0]
        for count2 in [1,2,3]:
            print "captured points = %f"%indexCoords[count2]
        for count2 in range(0, len(trans)):
            if indexCoords[0] == trans[count2].index:
                print "Index Coords = %d   "%indexCoords[0]
                print "Trans Index = %d \n"%trans[count2].index 
                for count3 in [1,2,3]:
                    print "Before: Index Coords Co = %f   "%indexCoords[count3]
                    print "Before: Trans Co = %f \n"%trans[count2].co[(count3-1)] 
                    trans[count2].co[(count3-1)] = indexCoords[count3]
                    print "After: Index Coords Co = %f   "%indexCoords[count3]
                    print "After: Trans Co = %f \n"%trans[count2].co[(count3-1)]
                count2 = len(trans) 
    return

#===========================================
#====== Selection Event is Event 8. ========
#====== Transfer Event is Event 9. =========
#====== Quit Event is Event 10. ============
#====== evt variable stands for event ====== 
#===========================================
def BEvent(evt): 
    global transVert,targetVert,selectedMesh
    global failur, captureStr, transStr
    print "Event number: %d"%evt
        
    if evt == 8:
        editMode = EditMode()
        if EditMode(): EditMode(0)
        objList = Blender.Object.GetSelected()
        if typeCheck(Blender.Object.GetSelected()) == 0:
            selectedMesh = objList[0].getData(False, True)
            capturePointNum = captureSelectedVerts(selectedMesh.verts)
            if capturePointNum > 0:
                if capturePointNum == 1:
                    captureStr = "capture point: ok (vertex: %d)"%capturePointNum
                    Blender.Redraw()
                else:
                    captureStr = "capture points: ok (vertices: %d)"%capturePointNum
            else:
                captureStr = "capture points: empty"                    
        if editMode: EditMode(0)

    elif evt == 9:
        editMode = EditMode()
        if EditMode(): EditMode(0)
        objList = Blender.Object.GetSelected()    
        if typeCheck(Blender.Object.GetSelected()) == 0:
            selectedMesh = objList[0].getData(False, True)
            transVert = getSelectedVerts(selectedMesh.verts)
            print "Selected Mesh Verts Transfer Number: %d\n"%len(selectedMesh.verts)
            if len(transVert) > 0:
                movePointsTransfer(transVert)
            else:
                failur = "The target point is empty!"
        
            if failur == "Warning: check console":
                print "----------------------------------------------------"
        if editMode: EditMode(0)                                            

    elif evt == 10:
        print "----------------------------------------------------"
        Exit()
        return
    
    Blender.Redraw()

def Event(evt, val):
    if evt == QKEY:
        Exit()
        return

def  GUI ():
    global captureStr, transStr, failur

    glColor3f(0.7, 0.7, 0.7)
    glRecti(15, 35, 320, 110)
    glColor3f(0.9, 0.9, 0.9)
    glRecti(15, 15, 320, 35)
    glColor3f(0.65, 0.65, 0.65)    
    glRecti(15, 110, 320, 130)
    glColor3f(0.0, 0.0, 0.0)
    glRecti(15, 54, 320, 56)
    
    glRasterPos2f(20,117)        
    Text("Shape Key Transfer")    

    btnSelectTarget = Button("Capture Points", 8, 20, 85, 90, 20, "target point of alignment, This is the shape you want the other shape key to become.")
    btnTransfer = Button("Transfer", 9, 20, 60, 90, 20, "Transfer points in the shape key that you want to change.")
    btnQuit = Button("Quit", 10, 255, 60, 60, 20, "quit the script")

    glColor3f(0.15,0.15,0.15)

    glRasterPos2f(20,41)    
    Text(transStr, "small")

    glRasterPos2f(170,41)    
    Text(captureStr, "small")

    glRasterPos2f(35,5)    
    Text("created by Nate Nesler) (v07-27-2008)", "tiny")
    glColor3f(1, 0.0, 0.0)
    glRasterPos2f(20,20)    
    Text(failur)
    
Register(GUI, Event, BEvent)
Blender.Redraw(1)