diff options
Diffstat (limited to 'release/scripts/vrml97_export.py')
| -rw-r--r-- | release/scripts/vrml97_export.py | 1065 |
1 files changed, 1065 insertions, 0 deletions
diff --git a/release/scripts/vrml97_export.py b/release/scripts/vrml97_export.py new file mode 100644 index 00000000000..7fb036f9997 --- /dev/null +++ b/release/scripts/vrml97_export.py @@ -0,0 +1,1065 @@ +#!BPY +""" Registration info for Blender menus: +Name: 'VRML97 (.wrl)...' +Blender: 235 +Group: 'Export' +Submenu: 'All Objects...' all +Submenu: 'Selected Objects...' selected +Tooltip: 'Export to VRML97 file format (.wrl)' +""" + +__author__ = ("Rick Kimball", "Ken Miller", "Steve Matthews", "Bart") +__url__ = ["blender", "elysiun", +"Author's (Rick) homepage, http://kimballsoftware.com/blender", +"Author's (Bart) homepage, http://www.neeneenee.de/vrml", +"Complete online documentation, http://www.neeneenee.de/blender/x3d/exporting_web3d.html"] +__version__ = "2005/04/09" + +__bpydoc__ = """\ +This script exports to VRML97 format, which used to be called VRML2. + +Usage: + +Run this script from "File->Export" menu. A pop-up will ask whether you +want to export only selected or all relevant objects. + +Known issues:<br> + Doesn't handle multiple materials (don't use material indices);<br> + Doesn't handle multiple UV textures on a single mesh (create a mesh +for each texture);<br> + Can't get the texture array associated with material * not the UV ones; +""" + + +# $Id$ +# +#------------------------------------------------------------------------ +# VRML97 exporter for blender 2.33 or above +# +# ***** BEGIN GPL LICENSE BLOCK ***** +# +# Copyright (C) 2003,2004: Rick Kimball rick@vrmlworld.net +# +# 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 ***** +# + +#################################### +# Library dependancies +#################################### + +import Blender +from Blender import Object, NMesh, Lamp, Draw, BGL, Image, Text +from Blender.Scene import Render +from os.path import exists, join +pytinst = 1 +import math + +#################################### +# Global Variables +#################################### + +scene = Blender.Scene.getCurrent() +world = Blender.World.Get() +worldmat = Blender.Texture.Get() +_safeOverwrite = True +radD=math.pi/180.0 +ARG='' + +def rad2deg(v): + return round(v*180.0/math.pi,4) + +def deg2rad(v): + return (v*math.pi)/180.0; + +class DrawTypes: + """Object DrawTypes enum values + BOUNDS - draw only the bounding box of the object + WIRE - draw object as a wire frame + SOLID - draw object with flat shading + SHADED - draw object with OpenGL shading +""" + BOUNDBOX = 1 + WIRE = 2 + SOLID = 3 + SHADED = 4 + TEXTURE = 5 + +if not hasattr(Blender.Object,'DrawTypes'): + Blender.Object.DrawTypes = DrawTypes() + +########################################################## +# Functions for writing output file +########################################################## + +class VRML2Export: + + def __init__(self, filename): + #--- public you can change these --- + self.matonly = 0 + self.share = 0 + self.billnode = 0 + self.halonode = 0 + self.collnode = 0 + self.tilenode = 0 + self.verbose=2 # level of verbosity in console 0-none, 1-some, 2-most + self.cp=3 # decimals for material color values 0.000 - 1.000 + self.vp=3 # decimals for vertex coordinate values 0.000 - n.000 + self.tp=3 # decimals for texture coordinate values 0.000 - 1.000 + self.it=3 + + #--- class private don't touch --- + self.texNames={} # dictionary of textureNames + self.matNames={} # dictionary of materiaNames + self.indentLevel=0 # keeps track of current indenting + self.filename=filename + self.file = open(filename, "w") + self.bNav=0 + self.nodeID=0 + self.namesReserved=[ "Anchor", "Appearance", "AudioClip", + "Background","Billboard", "Box", + "Collision", "Color", "ColorInterpolator", "Cone", "Coordinate", "CoordinateInterpolator", "Cylinder", "CylinderSensor", + "DirectionalLight", + "ElevationGrid", "Extrustion", + "Fog", "FontStyle", "Group", + "ImageTexture", "IndexedFaceSet", "IndexedLineSet", "Inline", + "LOD", "Material", "MovieTexture", + "NavigationInfo", "Normal", "NormalInterpolator","OrientationInterpolator", + "PixelTexture", "PlaneSensor", "PointLight", "PointSet", "PositionInterpolator", "ProxmimitySensor", + "ScalarInterpolator", "Script", "Shape", "Sound", "Sphere", "SphereSensor", "SpotLight", "Switch", + "Text", "TextureCoordinate", "TextureTransform", "TimeSensor", "TouchSensor", "Transform", + "Viewpoint", "VisibilitySensor", "WorldInfo" ] + self.namesStandard=[ "Empty","Empty.000","Empty.001","Empty.002","Empty.003","Empty.004","Empty.005", + "Empty.006","Empty.007","Empty.008","Empty.009","Empty.010","Empty.011","Empty.012", + "Scene.001","Scene.002","Scene.003","Scene.004","Scene.005","Scene.06","Scene.013", + "Scene.006","Scene.007","Scene.008","Scene.009","Scene.010","Scene.011","Scene.012", + "World","World.000","World.001","World.002","World.003","World.004","World.005" ] + +########################################################## +# Writing nodes routines +########################################################## + + def writeHeader(self): + self.file.write("#VRML V2.0 utf8\n\n") + self.file.write("# This file was authored with Blender (http://www.blender.org/)\n") + self.file.write("# Exported using VRML97 exporter v1.50\n\n") + + def writeInline(self): + inlines = Blender.Scene.Get() + allinlines = len(inlines) + if scene != inlines[0]: + return + else: + for i in range(allinlines): + nameinline=inlines[i].getName() + if (nameinline not in self.namesStandard) and (i > 0): + self.writeIndented("DEF %s Inline {\n" % (self.cleanStr(nameinline)), 1) + nameinline = nameinline+".wrl" + self.writeIndented("url \"%s\" \n" % nameinline) + self.writeIndented("}\n", -1) + self.writeIndented("\n") + + def writeScript(self): + textEditor = Blender.Text.Get() + alltext = len(textEditor) + for i in range(alltext): + nametext = textEditor[i].getName() + nlines = textEditor[i].getNLines() + if (nametext == "web3d" or nametext == "web3d.js" or nametext == "web3d.txt") and (nlines != None): + nalllines = len(textEditor[i].asLines()) + alllines = textEditor[i].asLines() + for j in range(nalllines): + self.writeIndented(alllines[j] + "\n") + self.writeIndented("\n") + + def writeViewpoint(self, thisObj): + context = scene.getRenderingContext() + ratio = float(context.imageSizeY())/float(context.imageSizeX()) + lens = (360* (math.atan(ratio *16 / thisObj.data.getLens()) / 3.141593))*(3.141593/180) + if lens > 3.14: + lens = 3.14 + self.writeIndented("DEF %s Viewpoint {\n" % (self.cleanStr(thisObj.name)), 1) + self.writeIndented("description \"%s\" \n" % (thisObj.name)) + # get the camera location, subtract 90 degress from X to orient like VRML does + loc = self.rotatePointForVRML(thisObj.loc) + rot = [thisObj.RotX - 1.57, thisObj.RotY, thisObj.RotZ] + nRot = self.rotatePointForVRML(rot) + # convert to Quaternion and to Angle Axis + Q = self.eulerToQuaternions(nRot[0], nRot[1], nRot[2]) + Q1 = self.multiplyQuaternions(Q[0], Q[1]) + Qf = self.multiplyQuaternions(Q1, Q[2]) + angleAxis = self.quaternionToAngleAxis(Qf) + # write orientation statement + self.writeIndented("orientation %3.2f %3.2f %3.2f %3.2f\n" % (angleAxis[0], angleAxis[1], -angleAxis[2], angleAxis[3])) + # write position statement + self.writeIndented("position %3.2f %3.2f %3.2f\n" % (loc[0], loc[1], loc[2])) + self.writeIndented("fieldOfView %.3f\n" % (lens)) + self.writeIndented("}\n", -1) + self.writeIndented("\n") + + def writeFog(self): + if len(world) > 0: + mtype = world[0].getMistype() + mparam = world[0].getMist() + grd = world[0].getHor() + grd0, grd1, grd2 = grd[0], grd[1], grd[2] + else: + return + if (mtype == 1): + self.writeIndented("Fog {\n",1) + self.writeIndented("fogType \"LINEAR\"\n") + self.writeIndented("color %s %s %s" % (round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + "\n") + self.writeIndented("visibilityRange " + str(round(mparam[2],self.cp)) + "\n") + self.writeIndented("}\n",-1) + self.writeIndented("\n") + elif (mtype == 2): + self.writeIndented("Fog {\n",1) + self.writeIndented("fogType \"EXPONENTIAL\"\n") + self.writeIndented("color %s %s %s" % (round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + "\n") + self.writeIndented("visibilityRange " + str(round(mparam[2],self.cp)) + "\n") + self.writeIndented("}\n",-1) + self.writeIndented("\n") + else: + return + + def writeNavigationInfo(self, scene): + allObj = [] + allObj = scene.getChildren() + headlight = "TRUE" + vislimit = 0.0 + for thisObj in allObj: + objType=thisObj.getType() + if objType == "Camera": + vislimit = thisObj.data.getClipEnd() + elif objType == "Lamp": + headlight = "FALSE" + self.writeIndented("NavigationInfo {\n",1) + self.writeIndented("headlight %s" % headlight + "\n") + self.writeIndented("visibilityLimit %s\n" % (round(vislimit,self.cp))) + self.writeIndented("type [\"EXAMINE\", \"ANY\"]\n") + self.writeIndented("avatarSize [0.25, 1.75, 0.75]\n") + self.writeIndented("} \n",-1) + self.writeIndented(" \n") + + def writeSpotLight(self, object, lamp): + safeName = self.cleanStr(object.name) + if len(world) > 0: + ambi = world[0].getAmb() + ambientIntensity = ((float(ambi[0] + ambi[1] + ambi[2]))/3)/2.5 + else: + ambi = 0 + ambientIntensity = 0 + + # compute cutoff and beamwidth + intensity=min(lamp.energy/1.5,1.0) + beamWidth=deg2rad(lamp.spotSize)*.37; + cutOffAngle=beamWidth*1.3 + + (dx,dy,dz)=self.computeDirection(object) + # note -dx seems to equal om[3][0] + # note -dz seems to equal om[3][1] + # note dy seems to equal om[3][2] + om = object.getMatrix() + + location=self.rotVertex(om, (0,0,0)); + radius = lamp.dist*math.cos(beamWidth) + self.writeIndented("DEF %s SpotLight {\n" % safeName,1) + self.writeIndented("radius %s\n" % (round(radius,self.cp))) + self.writeIndented("ambientIntensity %s\n" % (round(ambientIntensity,self.cp))) + self.writeIndented("intensity %s\n" % (round(intensity,self.cp))) + self.writeIndented("color %s %s %s\n" % (round(lamp.col[0],self.cp), + round(lamp.col[1],self.cp), + round(lamp.col[2],self.cp))) + self.writeIndented("beamWidth %s\n" % (round(beamWidth,self.cp))) + self.writeIndented("cutOffAngle %s\n" % (round(cutOffAngle,self.cp))) + self.writeIndented("direction %s %s %s\n" % (round(dx,3),round(dy,3),round(dz,3))) + self.writeIndented("location %s %s %s\n" % (round(location[0],3), + round(location[1],3), + round(location[2],3))) + self.writeIndented("}\n",-1) + self.writeIndented("\n") + + def writeDirectionalLight(self, object, lamp): + safeName = self.cleanStr(object.name) + if len(world) > 0: + ambi = world[0].getAmb() + ambientIntensity = ((float(ambi[0] + ambi[1] + ambi[2]))/3)/2.5 + else: + ambi = 0 + ambientIntensity = 0 + + intensity=min(lamp.energy/1.5, 1.0) + (dx,dy,dz)=self.computeDirection(object) + self.writeIndented("DEF %s DirectionalLight {\n" % safeName,1) + self.writeIndented("ambientIntensity %s\n" % (round(ambientIntensity,self.cp))) + self.writeIndented("color %s %s %s\n" % (round(lamp.col[0],self.cp), + round(lamp.col[1],self.cp), + round(lamp.col[2],self.cp))) + self.writeIndented("intensity %s\n" % (round(intensity,self.cp))) + self.writeIndented("direction %s %s %s\n" % (round(dx,4),round(dy,4),round(dz,4))) + self.writeIndented("}\n",-1) + self.writeIndented("\n") + + def writePointLight(self, object, lamp): + safeName = self.cleanStr(object.name) + if len(world) > 0: + ambi = world[0].getAmb() + ambientIntensity = ((float(ambi[0] + ambi[1] + ambi[2]))/3)/2.5 + else: + ambi = 0 + ambientIntensity = 0 + om = object.getMatrix() + location=self.rotVertex(om, (0,0,0)); + intensity=min(lamp.energy/1.5,1.0) + radius = lamp.dist + self.writeIndented("DEF %s PointLight {\n" % safeName,1) + self.writeIndented("ambientIntensity %s\n" % (round(ambientIntensity,self.cp))) + self.writeIndented("color %s %s %s\n" % (round(lamp.col[0],self.cp), + round(lamp.col[1],self.cp), + round(lamp.col[2],self.cp))) + self.writeIndented("intensity %s\n" % (round(intensity,self.cp))) + self.writeIndented("location %s %s %s\n" % (round(location[0],3), + round(location[1],3), + round(location[2],3))) + self.writeIndented("radius %s\n" % radius ) + self.writeIndented("}\n",-1) + self.writeIndented("\n") + + def writeNode(self, thisObj): + objectname=str(thisObj.getName()) + if objectname in self.namesStandard: + return + else: + (dx,dy,dz)=self.computeDirection(thisObj) + om = thisObj.getMatrix() + location=self.rotVertex(om, (0,0,0)); + self.writeIndented("%s {\n" % objectname,1) + self.writeIndented("# direction %s %s %s\n" % (round(dx,3),round(dy,3),round(dz,3))) + self.writeIndented("# location %s %s %s\n" % (round(location[0],3), + round(location[1],3), + round(location[2],3))) + self.writeIndented("}\n",-1) + self.writeIndented("\n") + def createDef(self, name): + name = name + str(self.nodeID) + self.nodeID=self.nodeID+1 + if len(name) <= 3: + newname = "_" + str(self.nodeID) + return "%s" % (newname) + else: + for bad in [' ','"','#',"'",',','.','[','\\',']','{','}']: + name=name.replace(bad,'_') + if name in self.namesReserved: + newname = name[0:3] + "_" + str(self.nodeID) + return "%s" % (newname) + elif name[0].isdigit(): + newname = "_" + name + str(self.nodeID) + return "%s" % (newname) + else: + newname = name + return "%s" % (newname) + + def secureName(self, name): + name = name + str(self.nodeID) + self.nodeID=self.nodeID+1 + if len(name) <= 3: + newname = "_" + str(self.nodeID) + return "%s" % (newname) + else: + for bad in ['"','#',"'",',','.','[','\\',']','{','}']: + name=name.replace(bad,'_') + if name in self.namesReserved: + newname = name[0:3] + "_" + str(self.nodeID) + return "%s" % (newname) + elif name[0].isdigit(): + newname = "_" + name + str(self.nodeID) + return "%s" % (newname) + else: + newname = name + return "%s" % (newname) + + def writeIndexedFaceSet(self, object, normals = 0): + + imageMap={} # set of used images + sided={} # 'one':cnt , 'two':cnt + vColors={} # 'multi':1 + meshName = self.cleanStr(object.name) + mesh=object.getData() + for face in mesh.faces: + if face.mode & Blender.NMesh.FaceModes['HALO'] and self.halonode == 0: + self.writeIndented("Billboard {\n",1) + self.writeIndented("axisOfRotation 0 0 0\n") + self.writeIndented("children [\n") + self.halonode = 1 + elif face.mode & Blender.NMesh.FaceModes['BILLBOARD'] and self.billnode == 0: + self.writeIndented("Billboard {\n",1) + self.writeIndented("axisOfRotation 0 1 0\n") + self.writeIndented("children [\n") + self.billnode = 1 + elif face.mode & Blender.NMesh.FaceModes['OBCOL'] and self.matonly == 0: + self.matonly = 1 + elif face.mode & Blender.NMesh.FaceModes['SHAREDCOL'] and self.share == 0: + self.share = 1 + elif face.mode & Blender.NMesh.FaceModes['TILES'] and self.tilenode == 0: + self.tilenode = 1 + elif not face.mode & Blender.NMesh.FaceModes['DYNAMIC'] and self.collnode == 0: + self.writeIndented("Collision {\n",1) + self.writeIndented("collide FALSE\n") + self.writeIndented("children [\n") + self.collnode = 1 + + nIFSCnt=self.countIFSSetsNeeded(mesh, imageMap, sided, vColors) + + if nIFSCnt > 1: + self.writeIndented("DEF %s%s Group {\n" % ("G_", meshName),1) + self.writeIndented("children [\n",1) + + if sided.has_key('two') and sided['two'] > 0: + bTwoSided=1 + else: + bTwoSided=0 + om = object.getMatrix(); + location=self.rotVertex(om, (0,0,0)); + self.writeIndented("Transform {\n",1) + self.writeIndented("translation %s %s %s\n" % (round(location[0],3), + round(location[1],3), + round(location[2],3)),1) + self.writeIndented("children [\n") + self.writeIndented("DEF %s Shape {\n" % meshName,1) + + maters=mesh.materials + hasImageTexture=0 + issmooth=0 + + if len(maters) > 0 or mesh.hasFaceUV(): + self.writeIndented("appearance Appearance {\n", 1) + + # right now this script can only handle a single material per mesh. + if len(maters) >= 1: + mat=Blender.Material.Get(maters[0].name) + self.writeMaterial(mat, self.createDef(maters[0].name)) + if len(maters) > 1: + print "Warning: mesh named %s has multiple materials" % meshName + print "Warning: only one material per object handled" + else: + self.writeIndented("material NULL\n") + + #-- textures + if mesh.hasFaceUV(): + for face in mesh.faces: + if (hasImageTexture == 0) and (face.image): + self.writeImageTexture(face.image.name) + hasImageTexture=1 # keep track of face texture + if self.tilenode == 1: + self.writeIndented("textureTransform TextureTransform { scale %s %s }\n" % (face.image.xrep, face.image.yrep)) + self.tilenode = 0 + self.writeIndented("}\n", -1) + + #-- IndexedFaceSet or IndexedLineSet + + # check if object is wireframe only + if object.drawType == Blender.Object.DrawTypes.WIRE: + # user selected WIRE=2 on the Drawtype=Wire on (F9) Edit page + ifStyle="IndexedLineSet" + else: + # user selected BOUNDS=1, SOLID=3, SHARED=4, or TEXTURE=5 + ifStyle="IndexedFaceSet" + + + self.writeIndented("geometry %s {\n" % ifStyle, 1) + if object.drawType != Blender.Object.DrawTypes.WIRE: + if bTwoSided == 1: + self.writeIndented("solid FALSE\n") + else: + self.writeIndented("solid TRUE\n") + + #--- output coordinates + self.writeCoordinates(object, mesh, meshName) + + if object.drawType != Blender.Object.DrawTypes.WIRE: + #--- output textureCoordinates if UV texture used + if mesh.hasFaceUV(): + if hasImageTexture == 1: + self.writeTextureCoordinates(mesh) + elif self.matonly == 1 and self.share == 1: + self.writeFaceColors(mesh) + + for face in mesh.faces: + if face.smooth: + issmooth=1 + if issmooth==1: + creaseAngle=(mesh.getMaxSmoothAngle())*radD + self.writeIndented("creaseAngle %s\n" % (round(creaseAngle,self.cp))) + + #--- output vertexColors + if self.share == 1 and self.matonly == 0: + self.writeVertexColors(mesh) + self.matonly = 0 + self.share = 0 + #--- output closing braces + self.writeIndented("}\n", -1) + self.writeIndented("}\n", -1) + self.writeIndented("]\n", -1) + self.writeIndented("}\n", -1) + + if self.halonode == 1: + self.writeIndented("]\n", -1) + self.writeIndented("}\n", -1) + self.halonode = 0 + + if self.billnode == 1: + self.writeIndented("]\n", -1) + self.writeIndented("}\n", -1) + self.billnode = 0 + + if self.collnode == 1: + self.writeIndented("]\n", -1) + self.writeIndented("}\n", -1) + self.collnode = 0 + + if nIFSCnt > 1: + self.writeIndented("]\n", -1) + self.writeIndented("}\n", -1) + + self.writeIndented("\n") + + def writeCoordinates(self, object, mesh, meshName): + #-- vertices + self.writeIndented("coord DEF %s%s Coordinate {\n" % ("coord_",meshName), 1) + self.writeIndented("point [\n\t\t\t\t\t\t", 1) + meshVertexList = mesh.verts + + # create vertex list and pre rotate -90 degrees X for VRML + mm=object.getMatrix() + location=self.rotVertex(mm, (0,0,0)); + for vertex in meshVertexList: + v=self.rotVertex(mm, vertex); + self.file.write("%s %s %s, " % + (round((v[0]-location[0]),self.vp), + round((v[1]-location[1]),self.vp), + round((v[2]-location[2]),self.vp) )) + self.writeIndented("\n", 0) + self.writeIndented("]\n", -1) + self.writeIndented("}\n", -1) + + self.writeIndented("coordIndex [\n\t\t\t\t\t", 1) + coordIndexList=[] + for face in mesh.faces: + cordStr="" + for i in range(len(face)): + indx=meshVertexList.index(face[i]) + cordStr = cordStr + "%s " % indx + self.file.write(cordStr + "-1, ") + self.writeIndented("\n", 0) + self.writeIndented("]\n", -1) + + def writeTextureCoordinates(self, mesh): + texCoordList=[] + texIndexList=[] + j=0 + + for face in mesh.faces: + for i in range(len(face)): + texIndexList.append(j) + texCoordList.append(face.uv[i]) + j=j+1 + texIndexList.append(-1) + + self.writeIndented("texCoord TextureCoordinate {\n", 1) + self.writeIndented("point [\n\t\t\t\t\t\t", 1) + for i in range(len(texCoordList)): + self.file.write("%s %s, " % + (round(texCoordList[i][0],self.tp), + round(texCoordList[i][1],self.tp))) + self.writeIndented("\n", 0) + self.writeIndented("]\n", -1) + self.writeIndented("}\n", -1) + + self.writeIndented("texCoordIndex [\n\t\t\t\t\t\t", 1) + texIndxStr="" + for i in range(len(texIndexList)): + texIndxStr = texIndxStr + "%d, " % texIndexList[i] + if texIndexList[i]==-1: + self.file.write(texIndxStr) + texIndxStr="" + self.writeIndented("\n", 0) + self.writeIndented("]\n", -1) + + def writeFaceColors(self, mesh): + self.writeIndented("colorPerVertex FALSE\n") + self.writeIndented("color Color {\n",1) + self.writeIndented("color [\n\t\t\t\t\t\t", 1) + + for face in mesh.faces: + if face.col: + c=face.col[0] + if self.verbose > 2: + print "Debug: face.col r=%d g=%d b=%d" % (c.r, c.g, c.b) + + aColor = self.rgbToFS(c) + self.file.write("%s, " % aColor) + self.writeIndented("\n", 0) + self.writeIndented("]\n",-1) + self.writeIndented("}\n",-1) + + def writeVertexColors(self, mesh): + self.writeIndented("colorPerVertex TRUE\n") + self.writeIndented("color Color {\n",1) + self.writeIndented("color [\n\t\t\t\t\t\t", 1) + + for i in range(len(mesh.verts)): + c=self.getVertexColorByIndx(mesh,i) + if self.verbose > 2: + print "Debug: vertex[%d].col r=%d g=%d b=%d" % (i, c.r, c.g, c.b) + + aColor = self.rgbToFS(c) + self.file.write("%s, " % aColor) + self.writeIndented("\n", 0) + self.writeIndented("]\n",-1) + self.writeIndented("}\n",-1) + + def writeMaterial(self, mat, matName): + # look up material name, use it if available + if self.matNames.has_key(matName): + self.writeIndented("material USE %s\n" % matName) + self.matNames[matName]+=1 + return; + + self.matNames[matName]=1 + + ambient = mat.amb/2 + diffuseR, diffuseG, diffuseB = mat.rgbCol[0], mat.rgbCol[1],mat.rgbCol[2] + if len(world) > 0: + ambi = world[0].getAmb() + ambi0, ambi1, ambi2 = ambi[0], ambi[1], ambi[2] + else: + ambi = 0 + ambi0, ambi1, ambi2 = 0, 0, 0 + emisR, emisG, emisB = (diffuseR*mat.emit+ambi0)/4, (diffuseG*mat.emit+ambi1)/4, (diffuseB*mat.emit+ambi2)/4 + + shininess = mat.hard/255.0 + specR = (mat.specCol[0]+0.001)/(1.05/(mat.getSpec()+0.001)) + specG = (mat.specCol[1]+0.001)/(1.05/(mat.getSpec()+0.001)) + specB = (mat.specCol[2]+0.001)/(1.05/(mat.getSpec()+0.001)) + transp = 1-mat.alpha + + self.writeIndented("material DEF %s Material {\n" % matName, 1) + self.writeIndented("diffuseColor %s %s %s" % + (round(diffuseR,self.cp), round(diffuseG,self.cp), round(diffuseB,self.cp)) + + "\n") + self.writeIndented("ambientIntensity %s" % + (round(ambient,self.cp))+ + "\n") + self.writeIndented("specularColor %s %s %s" % + (round(specR,self.cp), round(specG,self.cp), round(specB,self.cp)) + + "\n" ) + self.writeIndented("emissiveColor %s %s %s" % + (round(emisR,self.cp), round(emisG,self.cp), round(emisB,self.cp)) + + "\n" ) + self.writeIndented("shininess %s" % + (round(shininess,self.cp)) + + "\n" ) + self.writeIndented("transparency %s" % + (round(transp,self.cp)) + + "\n") + self.writeIndented("}\n",-1) + + def writeImageTexture(self, name): + if self.texNames.has_key(name): + self.writeIndented("texture USE %s\n" % self.cleanStr(name)) + self.texNames[name] += 1 + return + else: + self.writeIndented("texture DEF %s ImageTexture {\n" % self.cleanStr(name), 1) + self.writeIndented("url \"%s\"\n" % name) + self.writeIndented("}\n",-1) + self.texNames[name] = 1 + + def writeBackground(self): + if len(world) > 0: + worldname = world[0].getName() + else: + return + blending = world[0].getSkytype() + grd = world[0].getHor() + grd0, grd1, grd2 = grd[0], grd[1], grd[2] + sky = world[0].getZen() + sky0, sky1, sky2 = sky[0], sky[1], sky[2] + mix0, mix1, mix2 = grd[0]+sky[0], grd[1]+sky[1], grd[2]+sky[2] + mix0, mix1, mix2 = mix0/2, mix1/2, mix2/2 + if worldname in self.namesStandard: + self.writeIndented("Background {\n",1) + else: + self.writeIndented("DEF %s Background {\n" % self.createDef(worldname),1) + # No Skytype - just Hor color + if blending == 0: + self.writeIndented("groundColor %s %s %s" % (round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + "\n") + self.writeIndented("skyColor %s %s %s" % (round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + "\n") + # Blend Gradient + elif blending == 1: + self.writeIndented("groundColor [ %s %s %s" % (round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + ",") + self.writeIndented("%s %s %s" %(round(mix0,self.cp), round(mix1,self.cp), round(mix2,self.cp)) + " ]\n") + self.writeIndented("groundAngle [ 1.57, 1.57 ]\n") + self.writeIndented("skyColor [ %s %s %s" % (round(sky0,self.cp), round(sky1,self.cp), round(sky2,self.cp)) + ",") + self.writeIndented("%s %s %s" %(round(mix0,self.cp), round(mix1,self.cp), round(mix2,self.cp)) + " ]\n") + self.writeIndented("skyAngle [ 1.57, 1.57 ]\n") + # Blend+Real Gradient Inverse + elif blending == 3: + self.writeIndented("groundColor [ %s %s %s" % (round(sky0,self.cp), round(sky1,self.cp), round(sky2,self.cp)) + ", ") + self.writeIndented("%s %s %s" %(round(mix0,self.cp), round(mix1,self.cp), round(mix2,self.cp)) + " ]\n") + self.writeIndented("groundAngle [ 1.57, 1.57 ]\n") + self.writeIndented("skyColor [ %s %s %s" % (round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + ", ") + self.writeIndented("%s %s %s" %(round(mix0,self.cp), round(mix1,self.cp), round(mix2,self.cp)) + " ]\n") + self.writeIndented("skyAngle [ 1.57, 1.57 ]\n") + # Paper - just Zen Color + elif blending == 4: + self.writeIndented("groundColor %s %s %s" % (round(sky0,self.cp), round(sky1,self.cp), round(sky2,self.cp)) + "\n") + self.writeIndented("skyColor %s %s %s" % (round(sky0,self.cp), round(sky1,self.cp), round(sky2,self.cp)) + "\n") + # Blend+Real+Paper - komplex gradient + elif blending == 7: + self.writeIndented("groundColor [ %s %s %s" % (round(sky0,self.cp), round(sky1,self.cp), round(sky2,self.cp)) + ", ") + self.writeIndented("%s %s %s" %(round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + " ]\n") + self.writeIndented("groundAngle [ 1.57, 1.57 ]\n") + self.writeIndented("skyColor [ %s %s %s" % (round(sky0,self.cp), round(sky1,self.cp), round(sky2,self.cp)) + ",") + self.writeIndented("%s %s %s" %(round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + " ]\n") + self.writeIndented("skyAngle [ 1.57, 1.57 ]\n") + # Any Other two colors + else: + self.writeIndented("groundColor %s %s %s" % (round(grd0,self.cp), round(grd1,self.cp), round(grd2,self.cp)) + "\n") + self.writeIndented("skyColor %s %s %s" % (round(sky0,self.cp), round(sky1,self.cp), round(sky2,self.cp)) + "\n") + alltexture = len(worldmat) + for i in range(alltexture): + namemat = worldmat[i].getName() + pic = worldmat[i].getImage() + if (namemat == "back") and (pic != None): + self.writeIndented("backUrl \"" + str(pic.getName()) + "\"\n") + elif (namemat == "bottom") and (pic != None): + self.writeIndented("bottomUrl \"" + str(pic.getName()) + "\"\n") + elif (namemat == "front") and (pic != None): + self.writeIndented("frontUrl \"" + str(pic.getName()) + "\"\n") + elif (namemat == "left") and (pic != None): + self.writeIndented("leftUrl \"" + str(pic.getName()) + "\"\n") + elif (namemat == "right") and (pic != None): + self.writeIndented("rightUrl \"" + str(pic.getName()) + "\"\n") + elif (namemat == "top") and (pic != None): + self.writeIndented("topUrl \"" + str(pic.getName()) + "\"\n") + self.writeIndented("}",-1) + self.writeIndented("\n\n") + +########################################################## +# export routine +########################################################## + + def export(self, scene, world, worldmat): + print "Info: starting VRML97 export to " + self.filename + "..." + self.writeHeader() + self.writeNavigationInfo(scene) + self.writeBackground() + self.writeFog() + allObj = [] + if ARG == 'selected': + allObj = Blender.Object.GetSelected() + else: + allObj = scene.getChildren() + self.writeInline() + for thisObj in allObj: + try: + objType=thisObj.getType() + objName=thisObj.getName() + self.matonly = 0 + if objType == "Camera": + self.writeViewpoint(thisObj) + elif objType == "Mesh": + self.writeIndexedFaceSet(thisObj, normals = 0) + elif objType == "Lamp": + lmpName=Lamp.Get(thisObj.data.getName()) + lmpType=lmpName.getType() + if lmpType == Lamp.Types.Lamp: + self.writePointLight(thisObj, lmpName) + elif lmpType == Lamp.Types.Spot: + self.writeSpotLight(thisObj, lmpName) + elif lmpType == Lamp.Types.Sun: + self.writeDirectionalLight(thisObj, lmpName) + else: + self.writeDirectionalLight(thisObj, lmpName) + elif objType == "Empty" and objName != "Empty": + self.writeNode(thisObj) + else: + #print "Info: Ignoring [%s], object type [%s] not handle yet" % (object.name,object.getType()) + print "" + except AttributeError: + print "Error: Unable to get type info for %s" % thisObj.getName() + if ARG != 'selected': + self.writeScript() + self.cleanup() + +########################################################## +# Utility methods +########################################################## + + def cleanup(self): + self.file.close() + self.texNames={} + self.matNames={} + self.indentLevel=0 + print "Info: finished VRML97 export to %s\n" % self.filename + + def cleanStr(self, name, prefix='rsvd_'): + """cleanStr(name,prefix) - try to create a valid VRML DEF name from object name""" + + newName=name[:] + if len(newName) == 0: + self.nNodeID+=1 + return "%s%d" % (prefix, self.nNodeID) + + if newName in self.namesReserved: + newName='%s%s' % (prefix,newName) + + if newName[0].isdigit(): + newName='%s%s' % ('_',newName) + + for bad in [' ','"','#',"'",',','.','[','\\',']','{','}']: + newName=newName.replace(bad,'_') + return newName + + def countIFSSetsNeeded(self, mesh, imageMap, sided, vColors): + """ + countIFFSetsNeeded() - should look at a blender mesh to determine + how many VRML IndexFaceSets or IndexLineSets are needed. A + new mesh created under the following conditions: + + o - split by UV Textures / one per mesh + o - split by face, one sided and two sided + o - split by smooth and flat faces + o - split when faces only have 2 vertices * needs to be an IndexLineSet + """ + + imageNameMap={} + faceMap={} + nFaceIndx=0 + + for face in mesh.faces: + sidename=''; + if (face.mode & NMesh.FaceModes.TWOSIDE) == NMesh.FaceModes.TWOSIDE: + sidename='two' + else: + sidename='one' + + if not vColors.has_key('multi'): + for face in mesh.faces: + if face.col: + c=face.col[0] + if c.r != 255 and c.g != 255 and c.b !=255: + vColors['multi']=1 + + if sided.has_key(sidename): + sided[sidename]+=1 + else: + sided[sidename]=1 + + if face.image: + faceName="%s_%s" % (face.image.name, sidename); + + if imageMap.has_key(faceName): + imageMap[faceName].append(face) + else: + imageMap[faceName]=[face.image.name,sidename,face] + + if self.verbose > 2: + for faceName in imageMap.keys(): + ifs=imageMap[faceName] + print "Debug: faceName=%s image=%s, solid=%s facecnt=%d" % \ + (faceName, ifs[0], ifs[1], len(ifs)-2) + + return len(imageMap.keys()) + + def faceToString(self,face): + + print "Debug: face.flag=0x%x (bitflags)" % face.flag + if face.flag & NMesh.FaceFlags.SELECT == NMesh.FaceFlags.SELECT: + print "Debug: face.flag.SELECT=true" + + print "Debug: face.mode=0x%x (bitflags)" % face.mode + if (face.mode & NMesh.FaceModes.TWOSIDE) == NMesh.FaceModes.TWOSIDE: + print "Debug: face.mode twosided" + + print "Debug: face.transp=0x%x (enum)" % face.transp + if face.transp == NMesh.FaceTranspModes.SOLID: + print "Debug: face.transp.SOLID" + + if face.image: + print "Debug: face.image=%s" % face.image.name + print "Debug: face.materialIndex=%d" % face.materialIndex + + def getVertexColorByIndx(self, mesh, indx): + for face in mesh.faces: + j=0 + for vertex in face.v: + if vertex.index == indx: + c=face.col[j] + j=j+1 + return c + + def meshToString(self,mesh): + print "Debug: mesh.hasVertexUV=%d" % mesh.hasVertexUV() + print "Debug: mesh.hasFaceUV=%d" % mesh.hasFaceUV() + print "Debug: mesh.hasVertexColours=%d" % mesh.hasVertexColours() + print "Debug: mesh.verts=%d" % len(mesh.verts) + print "Debug: mesh.faces=%d" % len(mesh.faces) + print "Debug: mesh.materials=%d" % len(mesh.materials) + + def rgbToFS(self, c): + s="%s %s %s" % ( + round(c.r/255.0,self.cp), + round(c.g/255.0,self.cp), + round(c.b/255.0,self.cp)) + return s + + def computeDirection(self, object): + x,y,z=(0,-1.0,0) # point down + ax,ay,az = (object.RotX,object.RotZ,object.RotY) + + # rot X + x1=x + y1=y*math.cos(ax)-z*math.sin(ax) + z1=y*math.sin(ax)+z*math.cos(ax) + + # rot Y + x2=x1*math.cos(ay)+z1*math.sin(ay) + y2=y1 + z2=z1*math.cos(ay)-x1*math.sin(ay) + + # rot Z + x3=x2*math.cos(az)-y2*math.sin(az) + y3=x2*math.sin(az)+y2*math.cos(az) + z3=z2 + + return [x3,y3,z3] + + + # swap Y and Z to handle axis difference between Blender and VRML + #------------------------------------------------------------------------ + def rotatePointForVRML(self, v): + x = v[0] + y = v[2] + z = -v[1] + + vrmlPoint=[x, y, z] + return vrmlPoint + + def rotVertex(self, mm, v): + lx,ly,lz=v[0],v[1],v[2] + gx=(mm[0][0]*lx + mm[1][0]*ly + mm[2][0]*lz) + mm[3][0] + gy=((mm[0][2]*lx + mm[1][2]*ly+ mm[2][2]*lz) + mm[3][2]) + gz=-((mm[0][1]*lx + mm[1][1]*ly + mm[2][1]*lz) + mm[3][1]) + rotatedv=[gx,gy,gz] + return rotatedv + + # For writing well formed VRML code + #------------------------------------------------------------------------ + def writeIndented(self, s, inc=0): + if inc < 1: + self.indentLevel = self.indentLevel + inc + + spaces="" + for x in xrange(self.indentLevel): + spaces = spaces + "\t" + self.file.write(spaces + s) + + if inc > 0: + self.indentLevel = self.indentLevel + inc + + # Converts a Euler to three new Quaternions + # Angles of Euler are passed in as radians + #------------------------------------------------------------------------ + def eulerToQuaternions(self, x, y, z): + Qx = [math.cos(x/2), math.sin(x/2), 0, 0] + Qy = [math.cos(y/2), 0, math.sin(y/2), 0] + Qz = [math.cos(z/2), 0, 0, math.sin(z/2)] + + quaternionVec=[Qx,Qy,Qz] + return quaternionVec + + # Multiply two Quaternions together to get a new Quaternion + #------------------------------------------------------------------------ + def multiplyQuaternions(self, Q1, Q2): + result = [((Q1[0] * Q2[0]) - (Q1[1] * Q2[1]) - (Q1[2] * Q2[2]) - (Q1[3] * Q2[3])), + ((Q1[0] * Q2[1]) + (Q1[1] * Q2[0]) + (Q1[2] * Q2[3]) - (Q1[3] * Q2[2])), + ((Q1[0] * Q2[2]) + (Q1[2] * Q2[0]) + (Q1[3] * Q2[1]) - (Q1[1] * Q2[3])), + ((Q1[0] * Q2[3]) + (Q1[3] * Q2[0]) + (Q1[1] * Q2[2]) - (Q1[2] * Q2[1]))] + + return result + + # Convert a Quaternion to an Angle Axis (ax, ay, az, angle) + # angle is in radians + #------------------------------------------------------------------------ + def quaternionToAngleAxis(self, Qf): + scale = math.pow(Qf[1],2) + math.pow(Qf[2],2) + math.pow(Qf[3],2) + ax = Qf[1] + ay = Qf[2] + az = Qf[3] + + if scale > .0001: + ax/=scale + ay/=scale + az/=scale + + angle = 2 * math.acos(Qf[0]) + + result = [ax, ay, az, angle] + return result + +########################################################## +# Callbacks, needed before Main +########################################################## + +def select_file(filename): + if pytinst == 1: + if exists(filename) and _safeOverwrite: + result = Draw.PupMenu("File Already Exists, Overwrite?%t|Yes%x1|No%x0") + if(result != 1): + return + + if not filename.endswith('.wrl'): filename += '.wrl' + wrlexport=VRML2Export(filename) + wrlexport.export(scene, world, worldmat) + +def createWRLPath(): + filename = Blender.Get('filename') + #print filename + + if filename.find('.') != -1: + filename = filename.split('.')[0] + filename += ".wrl" + #print filename + + return filename + +######################################################### +# main routine +######################################################### + +try: + ARG = __script__['arg'] # user selected argument +except: + print "older version" + +if Blender.Get('version') < 235: + print "Warning: VRML97 export failed, wrong blender version!" + print " You aren't running blender version 2.35 or greater" + print " download a newer version from http://blender.org/" +else: + Blender.Window.FileSelector(select_file,"Export VRML97",createWRLPath()) |