forked from bartvdbraak/blender
export matrix was wrong, cleanup import, more memory efficient and import the rest data to an unused key.
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Campbell Barton
parent
bd6e5d20c7
commit
22ce0faffe
@ -1,10 +1,10 @@
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#!BPY
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"""
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Name: 'Save Mesh RVKs as MDD'
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Name: 'Save Mesh as MDD'
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Blender: 242
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Group: 'Animation'
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Tooltip: 'baked vertex animation fromo selected model.'
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Tooltip: 'Animated mesh to MDD vertex keyframe file.'
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"""
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__author__ = "Bill L.Nieuwendorp"
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@ -13,17 +13,10 @@ This script Exports Lightwaves MotionDesigner format.
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The .mdd format has become quite a popular Pipeline format<br>
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for moving animations from package to package.
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Be sure not to use modifiers that change the number or order of verts in the mesh
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"""
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# mdd export
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#
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#
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#
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# Warning if the vertex order or vertex count differs from frame to frame
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# The script will fail because the resulting file would be an invalid mdd file.
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#
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# mdd files should only be applied to the the origonating model with the origonal vert order
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#
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#Please send any fixes,updates,bugs to Slow67_at_Gmail.com
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#Please send any fixes,updates,bugs to Slow67_at_Gmail.com or cbarton_at_metavr.com
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#Bill Niewuendorp
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import Blender
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@ -34,18 +27,34 @@ try:
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except:
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pack = None
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def zero_file(filepath):
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'''
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If a file fails, this replaces it with 1 char, better not remove it?
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'''
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file = open(filepath, 'w')
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file.write('\n') # aparently macosx needs some data in a blank file?
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file.close()
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def mdd_export(filepath, ob, PREF_STARTFRAME, PREF_ENDFRAME, PREF_FPS):
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Window.EditMode(0)
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Blender.Window.WaitCursor(1)
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mesh_orig = ob.getData(mesh=1)
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#Flip y and z matrix
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#Flip y and z
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'''
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mat = Mathutils.Matrix()
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mat[2][2] = -1
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rotmat = Mathutils.RotationMatrix(90, 4, 'x')
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mat_flip = mat*rotmat
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'''
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# Above results in this matrix
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mat_flip= Mathutils.Matrix(\
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[1,0,0,0],\
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[0,0,1,0],\
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[0,-1,0,0],\
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[0,0,0,1],\
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[1.0, 0.0, 0.0, 0.0],\
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[0.0, 0.0, 1.0, 0.0],\
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[0.0, 1.0, 0.0, 0.0],\
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[0.0, 0.0, 0.0, 1.0],\
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)
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me_tmp = Mesh.New() # container mesh
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@ -71,6 +80,7 @@ def mdd_export(filepath, ob, PREF_STARTFRAME, PREF_ENDFRAME, PREF_FPS):
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Blender.Draw.PupMenu('Error%t|Number of verts has changed during animation|cannot export')
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Blender.Window.WaitCursor(0)
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f.close() # should we zero?
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zero_file(filepath)
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return
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me_tmp.transform(ob.matrixWorld * mat_flip)
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@ -27,9 +27,9 @@ for moving animations from package to package.
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#Bill Niewuendorp
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try:
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import struct
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from struct import unpack
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except:
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struct= None
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unpack = None
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import Blender
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from Blender import Mesh, Object, Scene
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@ -44,46 +44,21 @@ def mdd_import(filepath, ob, PREF_IPONAME, PREF_START_FRAME, PREF_JUMP):
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Blender.Window.WaitCursor(1)
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file = open(filepath, 'rb')
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toUnpack = file.read(8)
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frames, points = struct.unpack(">2i",toUnpack)
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floatBytes = frames * 4
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furtherUnpack = file.read(floatBytes)
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floatBytes2 = points * 12
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floatBytes3 = 12 * points * frames
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restsize = points * 3
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pfsize = points * frames * 3
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restPoseUnpack = file.read(floatBytes2)
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PerFrameUnpack = file.read(floatBytes3)
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pattern = ">%df" % frames
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pattern2 = ">%df" % restsize
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pattern3 = ">%df" % pfsize
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time = struct.unpack(pattern, furtherUnpack)
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rest_pose = struct.unpack(pattern2, restPoseUnpack)
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PerFramexyz = struct.unpack(pattern3, PerFrameUnpack)
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frames, points = unpack(">2i", file.read(8))
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time = unpack((">%df" % frames), file.read(frames * 4))
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print '\tpoints:%d frames:%d' % (points,frames)
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scn = Scene.GetCurrent()
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ctx = scn.getRenderingContext()
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#ctx.startFrame(PREF_START_FRAME)
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#ctx.endFrame(PREF_START_FRAME+frames)
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Blender.Set("curframe", PREF_START_FRAME)
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me = ob.getData(mesh=1)
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xyzs = PerFramexyz
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Point_list = []
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for i in xrange(len(xyzs)/3):
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xpos, zpos = i*3, (i*3)+3
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Point_list.append(xyzs[xpos:zpos])
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Frm_points = []
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Blender.Window.DrawProgressBar (0.2, "3 Importing mdd ...")
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for i in xrange(len(Point_list)):
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first, last = i*points, (i*points)+points
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Frm_points.append(Point_list[first:last])
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def UpdateMesh(me,fr):
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for vidx, v in enumerate(me.verts):
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v.co[:] = Frm_points[fr][vidx][0], Frm_points[fr][vidx][2], Frm_points[fr][vidx][1]
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for v in me.verts:
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# 12 is the size of 3 floats
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x,y,z= unpack('>3f', file.read(12))
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v.co[:] = x,z,y
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me.update()
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Blender.Window.DrawProgressBar (0.4, "4 Importing mdd ...")
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@ -96,8 +71,6 @@ def mdd_import(filepath, ob, PREF_IPONAME, PREF_START_FRAME, PREF_JUMP):
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if len(me.verts) > 1 and (curfr >= PREF_START_FRAME) and (curfr <= PREF_START_FRAME+frames):
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UpdateMesh(me, i)
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ob.insertShapeKey()
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ob.makeDisplayList()
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Blender.Window.RedrawAll()
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Blender.Window.DrawProgressBar (0.5, "5 Importing mdd ...")
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@ -108,24 +81,21 @@ def mdd_import(filepath, ob, PREF_IPONAME, PREF_START_FRAME, PREF_JUMP):
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me.insertKey(1, 'relative')
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key= me.key
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key.ipo = Blender.Ipo.New("Key", PREF_IPONAME)
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key.ipo = Blender.Ipo.New('Key', PREF_IPONAME)
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ipo = key.ipo
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block = key.getBlocks()
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# block = key.getBlocks() # not used.
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all_keys = ipo.curveConsts
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for i in xrange(PREF_JUMP, len(all_keys), PREF_JUMP):
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for i in xrange(PREF_JUMP+1, len(all_keys), PREF_JUMP):
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curve = ipo.getCurve(i)
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if curve == None:
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ipo.addCurve(all_keys[i])
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curve = ipo.addCurve(all_keys[i])
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Blender.Window.DrawProgressBar (0.8, "appending to ipos")
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for i in xrange(PREF_JUMP, len(all_keys), PREF_JUMP):# Key Reduction
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mkpoints = ipo.getCurve(i)
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mkpoints.append((1+PREF_START_FRAME+i-1,1))
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mkpoints.append((1+PREF_START_FRAME+i- PREF_JUMP -1,0))
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mkpoints.append((1+PREF_START_FRAME+i+ PREF_JUMP-1,0))
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mkpoints.setInterpolation('Linear')
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mkpoints.recalc()
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curve.append((PREF_START_FRAME+i-1,1))
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curve.append((PREF_START_FRAME+i- PREF_JUMP -1,0))
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curve.append((PREF_START_FRAME+i+ PREF_JUMP-1,0))
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curve.setInterpolation('Linear')
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curve.recalc()
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print 'done'
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Blender.Window.WaitCursor(0)
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@ -161,7 +131,7 @@ def mdd_import_ui(filepath):
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Blender.Set('curframe', orig_frame)
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if __name__ == '__main__':
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if not struct:
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if not unpack:
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Draw.PupMenu('Error%t|This script requires a full python install')
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Blender.Window.FileSelector(mdd_import_ui, 'IMPORT MDD', '*.mdd')
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