# ##### 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # # ##### END GPL LICENSE BLOCK ##### #Author Stephen Jones. www.sjonesart.com/gl.php. Copy and paste into #Blender's Text windoaw and hit alt p after altering filename below. import import import import

bpy mathutils os collections

#you need to alter this to reflect where you want to store your xml file filename='C:\\c#\\Tutorials\\08ShadedTextures\\Game\\Scene\\assets\\xml\\pillar.xml' frame=1 class Struct: def __init__ (self, *argv, **argd): if len(argd): # Update by dictionary self.__dict__.update (argd) else: # Update by position attrs = filter (lambda x: x[0:2] != "__", dir(self)) for n in range(len(argv)): setattr(self, attrs[n], argv[n]) class Vat(Struct): faceIndex=0 v1=v2=v3=v4=0 vert1=vert2=vert3=vert4=mathutils.Vector() coord1=coord2=coord3=coord4=mathutils.Vector() norm1=norm2=norm3=norm4=mathutils.Vector() tan1=tan2=tan3=tan4=mathutils.Vector() def roundVec3(v): return round(v[0], 4), round(v[1], 4), round(v[2], 4) def roundVec2(v): #uv values are 1.0 - uv to spin things around to fit the geometry return round(v[0], 4), round(v[1], 4) flippy=mathutils.Matrix() flippy[1].y=0.0 flippy[1].z=-1.0 flippy[2].y=1.0

flippy[2].z=0.0

context=bpy.context scene=context.scene scene.frame_set(frame) scene.update obj=context.object mesh=obj.to_mesh(scene, True, 'PREVIEW') mesh.transform(obj.matrix_world) mesh.transform(flippy)

smooth=mesh.faces[0].use_smooth quads=list() tris=list() count=0 #get face index, add to Vat object and store Vat in either tri or quad list for f in mesh.faces: tmp=Vat() tmp.faceIndex=f.index if len(f.vertices)==3: tris.append(tmp) if len(f.vertices)==4: quads.append(tmp) #get data for tris and add to respective Vat for t in tris: t.v1=mesh.faces[t.faceIndex].vertices[0] t.v2=mesh.faces[t.faceIndex].vertices[1] t.v3=mesh.faces[t.faceIndex].vertices[2] for t in tris: t.vert1=roundVec3(tuple(mesh.vertices[t.v1].co)) t.vert2=roundVec3(tuple(mesh.vertices[t.v2].co)) t.vert3=roundVec3(tuple(mesh.vertices[t.v3].co)) if mesh.faces[q.faceIndex].use_smooth: t.norm1=roundVec3(tuple(mesh.vertices[t.v1].normal)) t.norm2=roundVec3(tuple(mesh.vertices[t.v2].normal)) t.norm3=roundVec3(tuple(mesh.vertices[t.v3].normal)) else: t.norm1=roundVec3(tuple(mesh.faces[t.faceIndex].normal)) t.norm2=roundVec3(tuple(mesh.faces[t.faceIndex].normal)) t.norm3=roundVec3(tuple(mesh.faces[t.faceIndex].normal)) t.coords1=roundVec2(tuple(mesh.uv_textures[0].data[t.faceIndex].uv1)) t.coords2=roundVec2(tuple(mesh.uv_textures[0].data[t.faceIndex].uv2)) t.coords3=roundVec2(tuple(mesh.uv_textures[0].data[t.faceIndex].uv3)) #get data for quads and add to respective Vat for q in quads: q.v1=mesh.faces[q.faceIndex].vertices[0] q.v2=mesh.faces[q.faceIndex].vertices[1] q.v3=mesh.faces[q.faceIndex].vertices[2] q.v4=mesh.faces[q.faceIndex].vertices[3] for q in quads: q.vert1=roundVec3(tuple(mesh.vertices[q.v1].co)) q.vert2=roundVec3(tuple(mesh.vertices[q.v2].co))

q.vert3=roundVec3(tuple(mesh.vertices[q.v3].co)) q.vert4=roundVec3(tuple(mesh.vertices[q.v4].co)) if mesh.faces[q.faceIndex].use_smooth: q.norm1=roundVec3(tuple(mesh.vertices[q.v1].normal)) q.norm2=roundVec3(tuple(mesh.vertices[q.v2].normal)) q.norm3=roundVec3(tuple(mesh.vertices[q.v3].normal)) q.norm4=roundVec3(tuple(mesh.vertices[q.v4].normal)) else: q.norm1=roundVec3(tuple(mesh.faces[q.faceIndex].normal)) q.norm2=roundVec3(tuple(mesh.faces[q.faceIndex].normal)) q.norm3=roundVec3(tuple(mesh.faces[q.faceIndex].normal)) q.norm4=roundVec3(tuple(mesh.faces[q.faceIndex].normal)) q.coords1=roundVec2(tuple(mesh.uv_textures[0].data[q.faceIndex].uv1)) q.coords2=roundVec2(tuple(mesh.uv_textures[0].data[q.faceIndex].uv2)) q.coords3=roundVec2(tuple(mesh.uv_textures[0].data[q.faceIndex].uv3)) q.coords4=roundVec2(tuple(mesh.uv_textures[0].data[q.faceIndex].uv4))

#calculate tangents and add to Vat def cross(u, v): ret=mathutils.Vector() ret.x=u[1]*v[2]-u[2]-v[1] ret.y=u[2]*v[0]-u[0]*v[2] ret.z=u[0]*v[1]-u[1]*v[0] return roundVec3(ret) up=mathutils.Vector() up.y=1.0 for t in tris: if t.norm1[0]==up[0] and t.norm1[1]==up[1] and t.norm1[2]==up[2]: print("same") t.tan1=cross(up, t.norm1) if t.norm2[0]==up[0] and t.norm2[1]==up[1] and t.norm2[2]==up[2]: print("same") t.tan2=cross(up, t.norm2) if t.norm3[0]==up[0] and t.norm3[1]==up[1] and t.norm3[2]==up[2]: print("same") t.tan3=cross(up, t.norm3) for q in quads: if q.norm1[0]==up[0] and q.norm1[1]==up[1] print("same") q.tan1=cross(up, q.norm1) if q.norm2[0]==up[0] and q.norm2[1]==up[1] print("same") q.tan2=cross(up, q.norm2) if q.norm3[0]==up[0] and q.norm3[1]==up[1] print("same") q.tan3=cross(up, q.norm3) if q.norm4[0]==up[0] and q.norm4[1]==up[1] print("same") q.tan4=cross(up, q.norm4)

#multiply vertex positions by 10 def mult(v, n): ret=mathutils.Vector() ret.x=v[0]*n

and q.norm1[2]==up[2]:

and q.norm2[2]==up[2]:

and q.norm3[2]==up[2]:

and q.norm4[2]==up[2]:

ret.y=v[1]*n ret.z=v[2]*n return roundVec3(ret) for t in tris: t.vert1=mult(t.vert1, 10) t.vert2=mult(t.vert2, 10) t.vert3=mult(t.vert3, 10) for q in quads: q.vert1=mult(q.vert1, q.vert2=mult(q.vert2, q.vert3=mult(q.vert3, q.vert4=mult(q.vert4,

10) 10) 10) 10)

#construct xml print strings tv="" tn="" tc="" tt=""

for t in tris: tv=tv + "%.6f tv=tv + "%.6f tv=tv + "%.6f tn=tn + "%.6f tn=tn + "%.6f tn=tn + "%.6f tc=tc + "%.6f tc=tc + "%.6f tc=tc + "%.6f tt=tt + "%.6f tt=tt + "%.6f tt=tt + "%.6f

%.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f

%.6f " %t.vert1 %.6f " %t.vert2 %.6f " %t.vert3 %.6f " %t.norm1 %.6f " %t.norm2 %.6f " %t.norm3 " %t.coords1 " %t.coords2 " %t.coords3 %.6f " %t.tan1 %.6f " %t.tan2 %.6f " %t.tan3

%.6f %.6f %.6f %.6f %.6f

%.6f %.6f %.6f %.6f %.6f

tv=tv.rstrip(' ') tv=tv + "\n" tn=tn.rstrip(' ') tn=tn + "\n" tc=tc.rstrip(' ') tc=tc + "\n" tt=tt.rstrip(' ') tt=tt + "\n"

qv="" qn="" qc="" qt=""

for q in quads: qv=qv + "%.6f qv=qv + "%.6f qv=qv + "%.6f qv=qv + "%.6f qn=qn + "%.6f

" " " " "

%q.vert1 %q.vert2 %q.vert3 %q.vert4 %q.norm1

qn=qn qn=qn qn=qn qc=qc qc=qc qc=qc qc=qc qt=qt qt=qt qt=qt qt=qt

+ + + + + + + + + + +

"%.6f "%.6f "%.6f "%.6f "%.6f "%.6f "%.6f "%.6f "%.6f "%.6f "%.6f

%.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f %.6f

%.6f " %q.norm2 %.6f " %q.norm3 %.6f " %q.norm4 " %q.coords1 " %q.coords2 " %q.coords3 " %q.coords4 %.6f " %q.tan1 %.6f " %q.tan2 %.6f " %q.tan3 %.6f " %q.tan4

qv=qv.rstrip(' ') qv=qv + "\n" qn=qn.rstrip(' ') qn=qn + "\n" qc=qc.rstrip(' ') qc=qc + "\n" qt=qt.rstrip(' ') qt=qt + "\n"

file=open(filename, 'w') file.write('\n') file.write('\n') file.write(tv) file.write(tn) file.write(tc) file.write(tt) file.write(qv) file.write(qn) file.write(qc) file.write(qt) file.write(' \n') file.write('back.png\n') file.write('subwayHKwall_n.png\n') file.write('subwayHKpillar_t.png\n') file.write("") file.close()