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file.write(' #if(mod(I,3)=0)\n')
file.write(' #write(MeshFile,"\\n ")\n')
file.write(' #end\n')
file.write(' #end \n')
file.write(' #end\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(MeshFile,"\\n }\\n")\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(MeshFile,"\\n")\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' // do nothing\n')
file.write(' #break\n')
file.write(' #case(4) \n')
file.write(' #write(MeshFile,"\\n}\\n")\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' }\n')
file.write(' #debug concat(" - normal_vectors\\n") \n')
file.write(' #local NumVertices=dimension_size(NormArr,1);\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' " normal_vectors {\\n",\n')
file.write(' " ", str(NumVertices,0,0),"\\n "\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "# Normals: ",str(NumVertices,0,0),"\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' // do nothing\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "#declare NormalVectors= array[",str(NumVertices,0,0),"] {\\n "\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' normal_vectors {\n')
file.write(' NumVertices\n')
file.write(' #local I=0;\n')
file.write(' #while (I<NumVertices)\n')
file.write(' NormArr[I]\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(MeshFile NormArr[I])\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "vn ", NormArr[I].x," ", NormArr[I].y," ", NormArr[I].z,"\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' NormArr[I].x,",", NormArr[I].y,",", NormArr[I].z,",\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(MeshFile NormArr[I])\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' #local I=I+1;\n')
file.write(' #if(Write=1 | Write=4) \n')
file.write(' #if(mod(I,3)=0)\n')
file.write(' #write(MeshFile,"\\n ")\n')
file.write(' #end\n')
file.write(' #end\n')
file.write(' #end\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(MeshFile,"\\n }\\n")\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(MeshFile,"\\n")\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' //do nothing\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(MeshFile,"\\n}\\n")\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' }\n')
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file.write(' #debug concat(" - uv_vectors\\n") \n')
file.write(' #local NumVertices=dimension_size(UVArr,1);\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(\n')
file.write(' MeshFile, \n')
file.write(' " uv_vectors {\\n",\n')
file.write(' " ", str(NumVertices,0,0),"\\n "\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "# UV-vectors: ",str(NumVertices,0,0),"\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' // do nothing, *.pcm does not support uv-vectors\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "#declare UVVectors= array[",str(NumVertices,0,0),"] {\\n "\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' uv_vectors {\n')
file.write(' NumVertices\n')
file.write(' #local I=0;\n')
file.write(' #while (I<NumVertices)\n')
file.write(' UVArr[I]\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(MeshFile UVArr[I])\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "vt ", UVArr[I].u," ", UVArr[I].v,"\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' //do nothing\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(MeshFile UVArr[I])\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' #local I=I+1; \n')
file.write(' #if(Write=1 | Write=4)\n')
file.write(' #if(mod(I,3)=0)\n')
file.write(' #write(MeshFile,"\\n ")\n')
file.write(' #end \n')
file.write(' #end\n')
file.write(' #end \n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(MeshFile,"\\n }\\n")\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(MeshFile,"\\n")\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' //do nothing\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(MeshFile,"\\n}\\n")\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' }\n')
file.write('\n')
file.write(' #debug concat(" - face_indices\\n") \n')
file.write(' #declare NumFaces=U*V*2;\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' " face_indices {\\n"\n')
file.write(' " ", str(NumFaces,0,0),"\\n "\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write (\n')
file.write(' MeshFile,\n')
file.write(' "# faces: ",str(NumFaces,0,0),"\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' #write (\n')
file.write(' MeshFile,\n')
file.write(' "0,",str(NumFaces,0,0),",\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "#declare FaceIndices= array[",str(NumFaces,0,0),"] {\\n "\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' face_indices {\n')
file.write(' NumFaces\n')
file.write(' #local I=0;\n')
file.write(' #local H=0;\n')
file.write(' #local NumVertices=dimension_size(VecArr,1);\n')
file.write(' #while (I<V)\n')
file.write(' #local J=0;\n')
file.write(' #while (J<U)\n')
file.write(' #local Ind=(I*U)+I+J;\n')
file.write(' <Ind, Ind+1, Ind+U+2>, <Ind, Ind+U+1, Ind+U+2>\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' <Ind, Ind+1, Ind+U+2>, <Ind, Ind+U+1, Ind+U+2>\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' "f ",Ind+1,"/",Ind+1,"/",Ind+1," ",Ind+1+1,"/",Ind+1+1,"/",Ind+1+1," ",Ind+U+2+1,"/",Ind+U+2+1,"/",Ind+U+2+1,"\\n",\n')
file.write(' "f ",Ind+U+1+1,"/",Ind+U+1+1,"/",Ind+U+1+1," ",Ind+1,"/",Ind+1,"/",Ind+1," ",Ind+U+2+1,"/",Ind+U+2+1,"/",Ind+U+2+1,"\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' Ind,",",Ind+NumVertices,",",Ind+1,",",Ind+1+NumVertices,",",Ind+U+2,",",Ind+U+2+NumVertices,",\\n"\n')
file.write(' Ind+U+1,",",Ind+U+1+NumVertices,",",Ind,",",Ind+NumVertices,",",Ind+U+2,",",Ind+U+2+NumVertices,",\\n"\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(\n')
file.write(' MeshFile,\n')
file.write(' <Ind, Ind+1, Ind+U+2>, <Ind, Ind+U+1, Ind+U+2>\n')
file.write(' )\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' #local J=J+1;\n')
file.write(' #local H=H+1;\n')
file.write(' #if(Write=1 | Write=4)\n')
file.write(' #if(mod(H,3)=0)\n')
file.write(' #write(MeshFile,"\\n ")\n')
file.write(' #end \n')
file.write(' #end\n')
file.write(' #end\n')
file.write(' #local I=I+1;\n')
file.write(' #end\n')
file.write(' }\n')
file.write(' #switch(Write)\n')
file.write(' #case(1)\n')
file.write(' #write(MeshFile, "\\n }\\n}")\n')
file.write(' #fclose MeshFile\n')
file.write(' #debug concat(" Done writing\\n")\n')
file.write(' #break\n')
file.write(' #case(2)\n')
file.write(' #fclose MeshFile\n')
file.write(' #debug concat(" Done writing\\n")\n')
file.write(' #break\n')
file.write(' #case(3)\n')
file.write(' #fclose MeshFile\n')
file.write(' #debug concat(" Done writing\\n")\n')
file.write(' #break\n')
file.write(' #case(4)\n')
file.write(' #write(MeshFile, "\\n}\\n}")\n')
file.write(' #fclose MeshFile\n')
file.write(' #debug concat(" Done writing\\n")\n')
file.write(' #break\n')
file.write(' #end\n')
file.write(' }\n')
file.write('#end\n')
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file.write('#macro MSM(SplineArray, SplRes, Interp_type, InterpRes, FileName)\n')
file.write(' #declare Build=CheckFileName(FileName);\n')
file.write(' #if(Build=0)\n')
file.write(' #debug concat("\\n Parsing mesh2 from file: ", FileName, "\\n")\n')
file.write(' #include FileName\n')
file.write(' object{Surface}\n')
file.write(' #else\n')
file.write(' #local NumVertices=(SplRes+1)*(InterpRes+1);\n')
file.write(' #local NumFaces=SplRes*InterpRes*2;\n')
file.write(' #debug concat("\\n Calculating ",str(NumVertices,0,0)," vertices for ", str(NumFaces,0,0)," triangles\\n\\n")\n')
file.write(' #local VecArr=array[NumVertices]\n')
file.write(' #local NormArr=array[NumVertices]\n')
file.write(' #local UVArr=array[NumVertices]\n')
file.write(' #local N=dimension_size(SplineArray,1);\n')
file.write(' #local TempSplArr0=array[N];\n')
file.write(' #local TempSplArr1=array[N];\n')
file.write(' #local TempSplArr2=array[N];\n')
file.write(' #local PosStep=1/SplRes;\n')
file.write(' #local InterpStep=1/InterpRes;\n')
file.write(' #local Count=0;\n')
file.write(' #local Pos=0;\n')
file.write(' #while(Pos<=1)\n')
file.write(' #local I=0;\n')
file.write(' #if (Pos=0)\n')
file.write(' #while (I<N)\n')
file.write(' #local Spl=spline{SplineArray[I]}\n')
file.write(' #local TempSplArr0[I]=<0,0,0>+Spl(Pos);\n')
file.write(' #local TempSplArr1[I]=<0,0,0>+Spl(Pos+PosStep);\n')
file.write(' #local TempSplArr2[I]=<0,0,0>+Spl(Pos-PosStep);\n')
file.write(' #local I=I+1;\n')
file.write(' #end\n')
file.write(' #local S0=BuildSpline(TempSplArr0, Interp_type)\n')
file.write(' #local S1=BuildSpline(TempSplArr1, Interp_type)\n')
file.write(' #local S2=BuildSpline(TempSplArr2, Interp_type)\n')
file.write(' #else\n')
file.write(' #while (I<N)\n')
file.write(' #local Spl=spline{SplineArray[I]}\n')
file.write(' #local TempSplArr1[I]=<0,0,0>+Spl(Pos+PosStep);\n')
file.write(' #local I=I+1;\n')
file.write(' #end\n')
file.write(' #local S1=BuildSpline(TempSplArr1, Interp_type)\n')
file.write(' #end\n')
file.write(' #local J=0;\n')
file.write(' #while (J<=1)\n')
file.write(' #local P0=<0,0,0>+S0(J);\n')
file.write(' #local P1=<0,0,0>+S1(J);\n')
file.write(' #local P2=<0,0,0>+S2(J);\n')
file.write(' #local P3=<0,0,0>+S0(J+InterpStep);\n')
file.write(' #local P4=<0,0,0>+S0(J-InterpStep);\n')
file.write(' #local B1=P4-P0;\n')
file.write(' #local B2=P2-P0;\n')
file.write(' #local B3=P3-P0;\n')
file.write(' #local B4=P1-P0;\n')
file.write(' #local N1=vcross(B1,B2);\n')
file.write(' #local N2=vcross(B2,B3);\n')
file.write(' #local N3=vcross(B3,B4);\n')
file.write(' #local N4=vcross(B4,B1);\n')
file.write(' #local Norm=vnormalize((N1+N2+N3+N4));\n')
file.write(' #local VecArr[Count]=P0;\n')
file.write(' #local NormArr[Count]=Norm;\n')
file.write(' #local UVArr[Count]=<J,Pos>;\n')
file.write(' #local J=J+InterpStep;\n')
file.write(' #local Count=Count+1;\n')
file.write(' #end\n')
file.write(' #local S2=spline{S0}\n')
file.write(' #local S0=spline{S1}\n')
file.write(' #debug concat("\\r Done ", str(Count,0,0)," vertices : ", str(100*Count/NumVertices,0,2)," %")\n')
file.write(' #local Pos=Pos+PosStep;\n')
file.write(' #end\n')
file.write(' BuildWriteMesh2(VecArr, NormArr, UVArr, InterpRes, SplRes, "")\n')
file.write(' #end\n')
file.write('#end\n\n')
file.write('#macro Coons(Spl1, Spl2, Spl3, Spl4, Iter_U, Iter_V, FileName)\n')
file.write(' #declare Build=CheckFileName(FileName);\n')
file.write(' #if(Build=0)\n')
file.write(' #debug concat("\\n Parsing mesh2 from file: ", FileName, "\\n")\n')
file.write(' #include FileName\n')
file.write(' object{Surface}\n')
file.write(' #else\n')
file.write(' #local NumVertices=(Iter_U+1)*(Iter_V+1);\n')
file.write(' #local NumFaces=Iter_U*Iter_V*2;\n')
file.write(' #debug concat("\\n Calculating ", str(NumVertices,0,0), " vertices for ",str(NumFaces,0,0), " triangles\\n\\n")\n')
file.write(' #declare VecArr=array[NumVertices] \n')
file.write(' #declare NormArr=array[NumVertices] \n')
file.write(' #local UVArr=array[NumVertices] \n')
file.write(' #local Spl1_0=Spl1(0);\n')
file.write(' #local Spl2_0=Spl2(0);\n')
file.write(' #local Spl3_0=Spl3(0);\n')
file.write(' #local Spl4_0=Spl4(0);\n')
file.write(' #local UStep=1/Iter_U;\n')
file.write(' #local VStep=1/Iter_V;\n')
file.write(' #local Count=0;\n')
file.write(' #local I=0;\n')
file.write(' #while (I<=1)\n')
file.write(' #local Im=1-I;\n')
file.write(' #local J=0;\n')
file.write(' #while (J<=1)\n')
file.write(' #local Jm=1-J;\n')
file.write(' #local C0=Im*Jm*(Spl1_0)+Im*J*(Spl2_0)+I*J*(Spl3_0)+I*Jm*(Spl4_0);\n')
file.write(' #local P0=LInterpolate(I, Spl1(J), Spl3(Jm)) + \n')
file.write(' LInterpolate(Jm, Spl2(I), Spl4(Im))-C0;\n')
file.write(' #declare VecArr[Count]=P0;\n')
file.write(' #local UVArr[Count]=<J,I>;\n')
file.write(' #local J=J+UStep;\n')
file.write(' #local Count=Count+1;\n')
file.write(' #end\n')
file.write(' #debug concat(\n')
file.write(' "\r Done ", str(Count,0,0)," vertices : ",\n')
file.write(' str(100*Count/NumVertices,0,2)," %"\n')
file.write(' )\n')
file.write(' #local I=I+VStep;\n')
file.write(' #end\n')
file.write(' #debug "\r Normals "\n')
file.write(' #local Count=0;\n')
file.write(' #local I=0;\n')
file.write(' #while (I<=Iter_V)\n')
file.write(' #local J=0;\n')
file.write(' #while (J<=Iter_U)\n')
file.write(' #local Ind=(I*Iter_U)+I+J;\n')
file.write(' #local P0=VecArr[Ind];\n')
file.write(' #if(J=0)\n')
file.write(' #local P1=P0+(P0-VecArr[Ind+1]);\n')
file.write(' #else\n')
file.write(' #local P1=VecArr[Ind-1];\n')
file.write(' #end\n')
file.write(' #if (J=Iter_U)\n')
file.write(' #local P2=P0+(P0-VecArr[Ind-1]);\n')
file.write(' #else\n')
file.write(' #local P2=VecArr[Ind+1];\n')
file.write(' #end\n')
file.write(' #if (I=0)\n')
file.write(' #local P3=P0+(P0-VecArr[Ind+Iter_U+1]);\n')
file.write(' #else\n')
file.write(' #local P3=VecArr[Ind-Iter_U-1];\n')
file.write(' #end\n')
file.write(' #if (I=Iter_V)\n')
file.write(' #local P4=P0+(P0-VecArr[Ind-Iter_U-1]);\n')
file.write(' #else\n')
file.write(' #local P4=VecArr[Ind+Iter_U+1];\n')
file.write(' #end\n')
file.write(' #local B1=P4-P0;\n')
file.write(' #local B2=P2-P0;\n')
file.write(' #local B3=P3-P0;\n')
file.write(' #local B4=P1-P0;\n')
file.write(' #local N1=vcross(B1,B2);\n')
file.write(' #local N2=vcross(B2,B3);\n')
file.write(' #local N3=vcross(B3,B4);\n')
file.write(' #local N4=vcross(B4,B1);\n')
file.write(' #local Norm=vnormalize((N1+N2+N3+N4));\n')
file.write(' #declare NormArr[Count]=Norm;\n')
file.write(' #local J=J+1;\n')
file.write(' #local Count=Count+1;\n')
file.write(' #end\n')
file.write(' #debug concat("\r Done ", str(Count,0,0)," normals : ",str(100*Count/NumVertices,0,2), " %")\n')
file.write(' #local I=I+1;\n')
file.write(' #end\n')
file.write(' BuildWriteMesh2(VecArr, NormArr, UVArr, Iter_U, Iter_V, FileName)\n')
file.write(' #end\n')
file.write('#end\n\n')
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if bezier_sweep == False:
tabWrite("#declare %s =\n"%dataname)
if ob.pov.curveshape == 'sphere_sweep' and bezier_sweep == False:
tabWrite("union {\n")
for spl in ob.data.splines:
if spl.type != "BEZIER":
spl_type = "linear"
if spl.type == "NURBS":
spl_type = "cubic"
points=spl.points
numPoints=len(points)
if spl.use_cyclic_u:
numPoints+=3
tabWrite("sphere_sweep { %s_spline %s,\n"%(spl_type,numPoints))
if spl.use_cyclic_u:
pt1 = points[len(points)-1]
wpt1 = pt1.co
tabWrite("<%.4g,%.4g,%.4g>,%.4g\n" %(wpt1[0], wpt1[1], wpt1[2], pt1.radius*ob.data.bevel_depth))
for pt in points:
wpt = pt.co
tabWrite("<%.4g,%.4g,%.4g>,%.4g\n" %(wpt[0], wpt[1], wpt[2], pt.radius*ob.data.bevel_depth))
if spl.use_cyclic_u:
for i in range (0,2):
endPt=points[i]
wpt = endPt.co
tabWrite("<%.4g,%.4g,%.4g>,%.4g\n" %(wpt[0], wpt[1], wpt[2], endPt.radius*ob.data.bevel_depth))
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if ob.pov.curveshape == 'sor':
for spl in ob.data.splines:
if spl.type in {'POLY','NURBS'}:
points=spl.points
numPoints=len(points)
tabWrite("sor { %s,\n"%numPoints)
for pt in points:
wpt = pt.co
tabWrite("<%.4g,%.4g>\n" %(wpt[0], wpt[1]))
else:
tabWrite("box { 0,0\n")
if ob.pov.curveshape in {'lathe','prism'}:
spl = ob.data.splines[0]
if spl.type == "BEZIER":
points=spl.bezier_points
lenCur=len(points)-1
lenPts=lenCur*4
ifprism = ''
if ob.pov.curveshape in {'prism'}:
height = ob.data.extrude
ifprism = '-%s, %s,'%(height, height)
lenCur+=1
lenPts+=4
tabWrite("%s { bezier_spline %s %s,\n"%(ob.pov.curveshape,ifprism,lenPts))
for i in range(0,lenCur):
p1=points[i].co
pR=points[i].handle_right
end = i+1
if i == lenCur-1 and ob.pov.curveshape in {'prism'}:
end = 0
pL=points[end].handle_left
p2=points[end].co
line="<%.4g,%.4g>"%(p1[0],p1[1])
line+="<%.4g,%.4g>"%(pR[0],pR[1])
line+="<%.4g,%.4g>"%(pL[0],pL[1])
line+="<%.4g,%.4g>"%(p2[0],p2[1])
tabWrite("%s\n" %line)
else:
points=spl.points
lenCur=len(points)
lenPts=lenCur
ifprism = ''
if ob.pov.curveshape in {'prism'}:
height = ob.data.extrude
ifprism = '-%s, %s,'%(height, height)
lenPts+=3
spl_type = 'quadratic'
if spl.type == 'POLY':
spl_type = 'linear'
tabWrite("%s { %s_spline %s %s,\n"%(ob.pov.curveshape,spl_type,ifprism,lenPts))
if ob.pov.curveshape in {'prism'}:
pt = points[len(points)-1]
wpt = pt.co
tabWrite("<%.4g,%.4g>\n" %(wpt[0], wpt[1]))
for pt in points:
wpt = pt.co
tabWrite("<%.4g,%.4g>\n" %(wpt[0], wpt[1]))
if ob.pov.curveshape in {'prism'}:
for i in range(2):
pt = points[i]
wpt = pt.co
tabWrite("<%.4g,%.4g>\n" %(wpt[0], wpt[1]))
if bezier_sweep:
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for p in range(len(ob.data.splines)):
br = []
depth = ob.data.bevel_depth
spl = ob.data.splines[p]
points=spl.bezier_points
lenCur = len(points)-1
numPoints = lenCur*4
if spl.use_cyclic_u:
lenCur += 1
numPoints += 4
tabWrite("#declare %s_points_%s = array[%s]{\n"%(dataname,p,numPoints))
for i in range(lenCur):
p1=points[i].co
pR=points[i].handle_right
end = i+1
if spl.use_cyclic_u and i == (lenCur - 1):
end = 0
pL=points[end].handle_left
p2=points[end].co
r3 = points[end].radius * depth
r0 = points[i].radius * depth
r1 = 2/3*r0 + 1/3*r3
r2 = 1/3*r0 + 2/3*r3
line="<%.4g,%.4g,%.4f>"%(p1[0],p1[1],p1[2])
line+="<%.4g,%.4g,%.4f>"%(pR[0],pR[1],pR[2])
line+="<%.4g,%.4g,%.4f>"%(pL[0],pL[1],pL[2])
line+="<%.4g,%.4g,%.4f>"%(p2[0],p2[1],p2[2])
tabWrite("%s\n" %line)
tabWrite("}\n")
tabWrite("#declare %s_radii_%s = array[%s]{\n"%(dataname,p,len(br)*4))
for Tuple in br:
tabWrite('%.4f,%.4f,%.4f,%.4f\n'%(Tuple[0],Tuple[1],Tuple[2],Tuple[3]))
tabWrite("}\n")
if len(ob.data.splines)== 1:
tabWrite('#declare %s = object{\n'%dataname)
tabWrite(' Shape_Bezierpoints_Sphere_Sweep(yes,%s, %s_points_%s, %s_radii_%s) \n'%(ob.data.resolution_u,dataname,p,dataname,p))
else:
tabWrite('#declare %s = union{\n'%dataname)
for p in range(len(ob.data.splines)):
tabWrite(' object{Shape_Bezierpoints_Sphere_Sweep(yes,%s, %s_points_%s, %s_radii_%s)} \n'%(ob.data.resolution_u,dataname,p,dataname,p))
#tabWrite('#include "bezier_spheresweep.inc"\n') #now inlined
# tabWrite('#declare %s = object{Shape_Bezierpoints_Sphere_Sweep(yes,%s, %s_bezier_points, %.4f) \n'%(dataname,ob.data.resolution_u,dataname,ob.data.bevel_depth))
if ob.pov.curveshape in {'loft'}:
tabWrite('object {MSM(%s,%s,"c",%s,"")\n'%(dataname,ob.pov.res_u,ob.pov.res_v))
if ob.pov.curveshape in {'birail'}:
splines = '%s1,%s2,%s3,%s4'%(dataname,dataname,dataname,dataname)
tabWrite('object {Coons(%s, %s, %s, "")\n'%(splines,ob.pov.res_u,ob.pov.res_v))
povMatName = "Default_texture"
if ob.active_material:
#povMatName = string_strip_hyphen(bpy.path.clean_name(ob.active_material.name))
try:
material = ob.active_material
writeObjectMaterial(material, ob)
except IndexError:
print(me)
#tabWrite("texture {%s}\n"%povMatName)
if ob.pov.curveshape in {'prism'}:
tabWrite("rotate <90,0,0>\n")
tabWrite("scale y*-1\n" )
tabWrite("}\n")
#################################################################
def exportMeta(metas):
# TODO - blenders 'motherball' naming is not supported.
if comments and len(metas) >= 1:
file.write("//--Blob objects--\n\n")
# important because no elements will break parsing.
elements = [elem for elem in meta.elements if elem.type in {'BALL', 'ELLIPSOID'}]
tabWrite("blob {\n")
tabWrite("threshold %.4g\n" % meta.threshold)
Bastien Montagne
committed
importance = ob.pov.importance_value
material = meta.materials[0] # lame! - blender cant do enything else.
except:
material = None
for elem in elements:
loc = elem.co
stiffness = elem.stiffness
if elem.use_negative:
stiffness = - stiffness
if elem.type == 'BALL':
Bastien Montagne
committed
tabWrite("sphere { <%.6g, %.6g, %.6g>, %.4g, %.4g }\n" % \
(loc.x, loc.y, loc.z, elem.radius, stiffness))
# After this wecould do something simple like...
# "pigment {Blue} }"
# except we'll write the color
elif elem.type == 'ELLIPSOID':
# location is modified by scale
Bastien Montagne
committed
tabWrite("sphere { <%.6g, %.6g, %.6g>, %.4g, %.4g }\n" % \
(loc.x / elem.size_x, loc.y / elem.size_y, loc.z / elem.size_z,
elem.radius, stiffness))
tabWrite("scale <%.6g, %.6g, %.6g> \n" % \
(elem.size_x, elem.size_y, elem.size_z))
if material:
diffuse_color = material.diffuse_color
trans = 1.0 - material.alpha
if material.use_transparency and material.transparency_method == 'RAYTRACE':
povFilter = material.raytrace_transparency.filter * (1.0 - material.alpha)
trans = (1.0 - material.alpha) - povFilter
material_finish = materialNames[material.name]
Bastien Montagne
committed
tabWrite("pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>} \n" % \
(diffuse_color[0], diffuse_color[1], diffuse_color[2],
povFilter, trans))
tabWrite("finish {%s}\n" % safety(material_finish, Level=2))
tabWrite("pigment {rgb<1 1 1>} \n")
Bastien Montagne
committed
# Write the finish last.
tabWrite("finish {%s}\n" % (safety(DEF_MAT_NAME, Level=2)))
writeObjectMaterial(material, ob)
writeMatrix(global_matrix * ob.matrix_world)
Maurice Raybaud
committed
# Importance for radiosity sampling added here
tabWrite("radiosity { \n")
tabWrite("importance %3g \n" % importance)
tabWrite("}\n")
tabWrite("}\n") # End of Metaball block
if comments and len(metas) >= 1:
file.write("\n")
Bastien Montagne
committed
# objectNames = {}
DEF_OBJ_NAME = "Default"
Bastien Montagne
committed
def exportMeshes(scene, sel):
# obmatslist = []
# def hasUniqueMaterial():
# # Grab materials attached to object instances ...
# if hasattr(ob, 'material_slots'):
# for ms in ob.material_slots:
# if ms.material is not None and ms.link == 'OBJECT':
Bastien Montagne
committed
# if ms.material in obmatslist:
# return False
# else:
# obmatslist.append(ms.material)
# return True
# def hasObjectMaterial(ob):
# # Grab materials attached to object instances ...
# if hasattr(ob, 'material_slots'):
# for ms in ob.material_slots:
# if ms.material is not None and ms.link == 'OBJECT':
Bastien Montagne
committed
# # If there is at least one material slot linked to the object
Bastien Montagne
committed
# # and not the data (mesh), always create a new, "private" data instance.
Bastien Montagne
committed
# return True
# return False
# For objects using local material(s) only!
# This is a mapping between a tuple (dataname, materialnames, ...), and the POV dataname.
Bastien Montagne
committed
# As only objects using:
# * The same data.
# * EXACTLY the same materials, in EXACTLY the same sockets.
# ... can share a same instance in POV export.
Bastien Montagne
committed
obmats2data = {}
Bastien Montagne
committed
def checkObjectMaterials(ob, name, dataname):
if hasattr(ob, 'material_slots'):
has_local_mats = False
key = [dataname]
for ms in ob.material_slots:
Bastien Montagne
committed
key.append(ms.material.name)
if ms.link == 'OBJECT' and not has_local_mats:
has_local_mats = True
else:
# Even if the slot is empty, it is important to grab it...
Bastien Montagne
committed
key.append("")
if has_local_mats:
# If this object uses local material(s), lets find if another object
# using the same data and exactly the same list of materials
# (in the same slots) has already been processed...
Bastien Montagne
committed
# Note that here also, we use object name as new, unique dataname for Pov.
key = tuple(key) # Lists are not hashable...
Bastien Montagne
committed
if key not in obmats2data:
obmats2data[key] = name
return obmats2data[key]
return None
data_ref = {}
Bastien Montagne
committed
def store(scene, ob, name, dataname, matrix):
# The Object needs to be written at least once but if its data is
# already in data_ref this has already been done.
Bastien Montagne
committed
# This func returns the "povray" name of the data, or None
Bastien Montagne
committed
# if no writing is needed.
if ob.is_modified(scene, 'RENDER'):
# Data modified.
# Create unique entry in data_ref by using object name
# (always unique in Blender) as data name.
data_ref[name] = [(name, MatrixAsPovString(matrix))]
return name
# Here, we replace dataname by the value returned by checkObjectMaterials, only if
# it is not evaluated to False (i.e. only if the object uses some local material(s)).
dataname = checkObjectMaterials(ob, name, dataname) or dataname
if dataname in data_ref:
# Data already known, just add the object instance.
data_ref[dataname].append((name, MatrixAsPovString(matrix)))
# No need to write data
return None
else:
# Data not yet processed, create a new entry in data_ref.
data_ref[dataname] = [(name, MatrixAsPovString(matrix))]
return dataname
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def exportSmoke(smoke_obj_name):
#if LuxManager.CurrentScene.name == 'preview':
#return 1, 1, 1, 1.0
#else:
flowtype = -1
smoke_obj = bpy.data.objects[smoke_obj_name]
domain = None
# Search smoke domain target for smoke modifiers
for mod in smoke_obj.modifiers:
if mod.name == 'Smoke':
if mod.smoke_type == 'FLOW':
if mod.flow_settings.smoke_flow_type == 'BOTH':
flowtype = 2
else:
if mod.flow_settings.smoke_flow_type == 'SMOKE':
flowtype = 0
else:
if mod.flow_settings.smoke_flow_type == 'FIRE':
flowtype = 1
if mod.smoke_type == 'DOMAIN':
domain = smoke_obj
smoke_modifier = mod
eps = 0.000001
if domain is not None:
#if bpy.app.version[0] >= 2 and bpy.app.version[1] >= 71:
# Blender version 2.71 supports direct access to smoke data structure
set = mod.domain_settings
channeldata = []
for v in set.density_grid:
channeldata.append(v.real)
print(v.real)
## Usage en voxel texture:
# channeldata = []
# if channel == 'density':
# for v in set.density_grid:
# channeldata.append(v.real)
# if channel == 'fire':
# for v in set.flame_grid:
# channeldata.append(v.real)
resolution = set.resolution_max
big_res = []
big_res.append(set.domain_resolution[0])
big_res.append(set.domain_resolution[1])
big_res.append(set.domain_resolution[2])
if set.use_high_resolution:
big_res[0] = big_res[0] * (set.amplify + 1)
big_res[1] = big_res[1] * (set.amplify + 1)
big_res[2] = big_res[2] * (set.amplify + 1)
# else:
# p = []
##gather smoke domain settings
# BBox = domain.bound_box
# p.append([BBox[0][0], BBox[0][1], BBox[0][2]])
# p.append([BBox[6][0], BBox[6][1], BBox[6][2]])
# set = mod.domain_settings
# resolution = set.resolution_max
# smokecache = set.point_cache
# ret = read_cache(smokecache, set.use_high_resolution, set.amplify + 1, flowtype)
# res_x = ret[0]
# res_y = ret[1]
# res_z = ret[2]
# density = ret[3]
# fire = ret[4]
# if res_x * res_y * res_z > 0:
##new cache format
# big_res = []
# big_res.append(res_x)
# big_res.append(res_y)
# big_res.append(res_z)
# else:
# max = domain.dimensions[0]
# if (max - domain.dimensions[1]) < -eps:
# max = domain.dimensions[1]
# if (max - domain.dimensions[2]) < -eps:
# max = domain.dimensions[2]
# big_res = [int(round(resolution * domain.dimensions[0] / max, 0)),
# int(round(resolution * domain.dimensions[1] / max, 0)),
# int(round(resolution * domain.dimensions[2] / max, 0))]
# if set.use_high_resolution:
# big_res = [big_res[0] * (set.amplify + 1), big_res[1] * (set.amplify + 1),
# big_res[2] * (set.amplify + 1)]
# if channel == 'density':
# channeldata = density
# if channel == 'fire':
# channeldata = fire
# sc_fr = '%s/%s/%s/%05d' % (efutil.export_path, efutil.scene_filename(), bpy.context.scene.name, bpy.context.scene.frame_current)
# if not os.path.exists( sc_fr ):
# os.makedirs(sc_fr)
# smoke_filename = '%s.smoke' % bpy.path.clean_name(domain.name)
# smoke_path = '/'.join([sc_fr, smoke_filename])
# with open(smoke_path, 'wb') as smoke_file:
# # Binary densitygrid file format
# #
# # File header
# smoke_file.write(b'SMOKE') #magic number
# smoke_file.write(struct.pack('<I', big_res[0]))
# smoke_file.write(struct.pack('<I', big_res[1]))
# smoke_file.write(struct.pack('<I', big_res[2]))
# smoke_file.write(struct.pack('<%df'%len(channeldata), *channeldata))
# LuxLog('Binary SMOKE file written: %s' % (smoke_path))
#return big_res[0], big_res[1], big_res[2], channeldata
mydf3 = df3.df3(big_res[0],big_res[1],big_res[2])
sim_sizeX, sim_sizeY, sim_sizeZ = mydf3.size()
for x in range(sim_sizeX):
for y in range(sim_sizeY):
for z in range(sim_sizeZ):
mydf3.set(x, y, z, channeldata[((z * sim_sizeY + y) * sim_sizeX + x)])
mydf3.exportDF3(smokePath)
print('Binary smoke.df3 file written in preview directory')
if comments:
file.write("\n//--Smoke--\n\n")
# Note: We start with a default unit cube.
# This is mandatory to read correctly df3 data - otherwise we could just directly use bbox
# coordinates from the start, and avoid scale/translate operations at the end...
file.write("box{<0,0,0>, <1,1,1>\n")
file.write(" pigment{ rgbt 1 }\n")
file.write(" hollow\n")
file.write(" interior{ //---------------------\n")
file.write(" media{ method 3\n")
file.write(" emission <1,1,1>*1\n")# 0>1 for dark smoke to white vapour
file.write(" scattering{ 1, // Type\n")
file.write(" <1,1,1>*0.1\n")
file.write(" density{density_file df3 \"%s\"\n" % (smokePath))
file.write(" color_map {\n")
file.write(" [0.00 rgb 0]\n")
file.write(" [0.05 rgb 0]\n")
file.write(" [0.20 rgb 0.2]\n")
file.write(" [0.30 rgb 0.6]\n")
file.write(" [0.40 rgb 1]\n")
file.write(" [1.00 rgb 1]\n")
file.write(" } // end color_map\n")
file.write(" } // end of density\n")
file.write(" samples %i // higher = more precise\n" % resolution)
file.write(" } // end of media --------------------------\n")
file.write(" } // end of interior\n")
# START OF TRANSFORMATIONS
# Size to consider here are bbox dimensions (i.e. still in object space, *before* applying
# loc/rot/scale and other transformations (like parent stuff), aka matrix_world).
bbox = smoke_obj.bound_box
dim = [abs(bbox[6][0] - bbox[0][0]), abs(bbox[6][1] - bbox[0][1]), abs(bbox[6][2] - bbox[0][2])]
# We scale our cube to get its final size and shapes but still in *object* space (same as Blender's bbox).
file.write("scale<%.6g,%.6g,%.6g>\n" % (dim[0], dim[1], dim[2]))
# We offset our cube such that (0,0,0) coordinate matches Blender's object center.
file.write("translate<%.6g,%.6g,%.6g>\n" % (bbox[0][0], bbox[0][1], bbox[0][2]))
# We apply object's transformations to get final loc/rot/size in world space!
# Note: we could combine the two previous transformations with this matrix directly...
writeMatrix(global_matrix * smoke_obj.matrix_world)
# END OF TRANSFORMATIONS
#file.write(" interpolate 1\n")
#file.write(" frequency 0\n")
#file.write(" }\n")
Bastien Montagne
committed
ob_num = 0
Bastien Montagne
committed
# XXX I moved all those checks here, as there is no need to compute names
Bastien Montagne
committed
# for object we won't export here!
Maurice Raybaud
committed
if (ob.type in {'LAMP', 'CAMERA', #'EMPTY', #empties can bear dupligroups
'META', 'ARMATURE', 'LATTICE'}):
for mod in ob.modifiers:
if mod and hasattr(mod, 'smoke_type'):
smokeFlag=True
if (mod.smoke_type == 'DOMAIN'):
exportSmoke(ob.name)
break # don't render domain mesh or flow emitter mesh, skip to next object.
# Export Hair
renderEmitter = True
if hasattr(ob, 'particle_systems'):
renderEmitter = False
for pSys in ob.particle_systems:
if pSys.settings.use_render_emitter:
renderEmitter = True
for mod in [m for m in ob.modifiers if (m is not None) and (m.type == 'PARTICLE_SYSTEM')]:
if (pSys.settings.render_type == 'PATH') and mod.show_render and (pSys.name == mod.particle_system.name):
tstart = time.time()
texturedHair=0
if ob.material_slots[pSys.settings.material - 1].material and ob.active_material is not None:
pmaterial = ob.material_slots[pSys.settings.material - 1].material
for th in pmaterial.texture_slots:
if th and th.use:
if (th.texture.type == 'IMAGE' and th.texture.image) or th.texture.type != 'IMAGE':
if th.use_map_color_diffuse:
texturedHair=1
if pmaterial.strand.use_blender_units:
strandStart = pmaterial.strand.root_size
strandEnd = pmaterial.strand.tip_size
else: # Blender unit conversion
strandStart = pmaterial.strand.root_size / 200.0
strandEnd = pmaterial.strand.tip_size / 200.0
strandShape = pmaterial.strand.shape
else:
pmaterial = "default" # No material assigned in blender, use default one
strandStart = 0.01
strandEnd = 0.01
strandShape = 0.0
# Set the number of particles to render count rather than 3d view display
pSys.set_resolution(scene, ob, 'RENDER')
steps = pSys.settings.draw_step
steps = 3 ** steps # or (power of 2 rather than 3) + 1 # Formerly : len(particle.hair_keys)
totalNumberOfHairs = ( len(pSys.particles) + len(pSys.child_particles) )
#hairCounter = 0
file.write('#declare HairArray = array[%i] {\n' % totalNumberOfHairs)
for pindex in range(0, totalNumberOfHairs):
#if particle.is_exist and particle.is_visible:
#hairCounter += 1
#controlPointCounter = 0
# Each hair is represented as a separate sphere_sweep in POV-Ray.
file.write('sphere_sweep{')
if pSys.settings.use_hair_bspline: