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Diffstat (limited to 'render_povray/render.py')
| -rw-r--r-- | render_povray/render.py | 2328 |
1 files changed, 2328 insertions, 0 deletions
diff --git a/render_povray/render.py b/render_povray/render.py new file mode 100644 index 00000000..beeb9d67 --- /dev/null +++ b/render_povray/render.py @@ -0,0 +1,2328 @@ +# ##### 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 ##### + +# <pep8 compliant> + +import bpy +import subprocess +import os +import sys +import time +from math import atan, pi, degrees, sqrt +import re + +##############################SF########################### +##############find image texture + + +def imageFormat(imgF): + ext = { + 'JPG': "jpeg", + 'JPEG': "jpeg", + 'GIF': "gif", + 'TGA': "tga", + 'IFF': "iff", + 'PPM': "ppm", + 'PNG': "png", + 'SYS': "sys", + 'TIFF': "tiff", + 'TIF': "tiff", + 'EXR': "exr", # POV3.7 Only! + 'HDR': "hdr", # POV3.7 Only! --MR + }.get(os.path.splitext(imgF)[-1].upper(), "") + + if not ext: + print(" WARNING: texture image format not supported ") + + return ext + + +def imgMap(ts): + image_map = "" + if ts.mapping == 'FLAT': + image_map = "map_type 0 " + elif ts.mapping == 'SPHERE': + image_map = "map_type 1 " # map_type 7 in megapov + elif ts.mapping == 'TUBE': + image_map = "map_type 2 " + + ## map_type 3 and 4 in development (?) + ## for POV-Ray, currently they just seem to default back to Flat (type 0) + #elif ts.mapping=="?": + # image_map = " map_type 3 " + #elif ts.mapping=="?": + # image_map = " map_type 4 " + if ts.texture.use_interpolation: + image_map += " interpolate 2 " + if ts.texture.extension == 'CLIP': + image_map += " once " + #image_map += "}" + #if ts.mapping=='CUBE': + # image_map+= "warp { cubic } rotate <-90,0,180>" + # no direct cube type mapping. Though this should work in POV 3.7 + # it doesn't give that good results(best suited to environment maps?) + #if image_map == "": + # print(" No texture image found ") + return image_map + + +def imgMapBG(wts): + image_mapBG = "" + # texture_coords refers to the mapping of world textures: + if wts.texture_coords == 'VIEW': + image_mapBG = " map_type 0 " + elif wts.texture_coords == 'ANGMAP': + image_mapBG = " map_type 1 " + elif wts.texture_coords == 'TUBE': + image_mapBG = " map_type 2 " + + if wts.texture.use_interpolation: + image_mapBG += " interpolate 2 " + if wts.texture.extension == 'CLIP': + image_mapBG += " once " + #image_mapBG += "}" + #if wts.mapping == 'CUBE': + # image_mapBG += "warp { cubic } rotate <-90,0,180>" + # no direct cube type mapping. Though this should work in POV 3.7 + # it doesn't give that good results(best suited to environment maps?) + #if image_mapBG == "": + # print(" No background texture image found ") + return image_mapBG + + +def findInSubDir(filename, subdirectory=""): + pahFile = "" + if subdirectory: + path = subdirectory + else: + path = os.getcwd() + try: + for root, dirs, names in os.walk(path): + if filename in names: + pahFile = os.path.join(root, filename) + return pahFile + except OSError: + return "" + + +def path_image(image): + import os + fn = bpy.path.abspath(image) + fn_strip = os.path.basename(fn) + if not os.path.isfile(fn): + fn = findInSubDir(os.path.basename(fn), os.path.dirname(bpy.data.filepath)) + fn = os.path.realpath(fn) + return fn + +##############end find image texture + + +def splitHyphen(name): + hyphidx = name.find("-") + if hyphidx == -1: + return name + else: + return name[:].replace("-", "") + + +def safety(name, Level): + # safety string name material + # + # Level=1 is for texture with No specular nor Mirror reflection + # Level=2 is for texture with translation of spec and mir levels + # for when no map influences them + # Level=3 is for texture with Maximum Spec and Mirror + + try: + if int(name) > 0: + prefix = "shader" + except: + prefix = "" + prefix = "shader_" + name = splitHyphen(name) + if Level == 2: + return prefix + name + elif Level == 1: + return prefix + name + "0" # used for 0 of specular map + elif Level == 3: + return prefix + name + "1" # used for 1 of specular map + + +##############end safety string name material +##############################EndSF########################### + +def is_renderable(scene, ob): + return (ob.is_visible(scene) and not ob.hide_render) + + +def renderable_objects(scene): + return [ob for ob in scene.objects if is_renderable(scene, ob)] + + +tabLevel = 0 + + +def write_pov(filename, scene=None, info_callback=None): + import mathutils + #file = filename + file = open(filename, "w") + + # Only for testing + if not scene: + scene = bpy.data.scenes[0] + + render = scene.render + world = scene.world + global_matrix = mathutils.Matrix.Rotation(-pi / 2.0, 4, 'X') + + def setTab(tabtype, spaces): + TabStr = "" + if tabtype == '0': + TabStr = "" + elif tabtype == '1': + TabStr = "\t" + elif tabtype == '2': + TabStr = spaces * " " + return TabStr + + tab = setTab(scene.pov.indentation_character, scene.pov.indentation_spaces) + + def tabWrite(str_o): + if not scene.pov.tempfiles_enable: + global tabLevel + brackets = str_o.count("{") - str_o.count("}") + str_o.count("[") - str_o.count("]") + if brackets < 0: + tabLevel = tabLevel + brackets + if tabLevel < 0: + print("Indentation Warning: tabLevel = %s" % tabLevel) + tabLevel = 0 + if tabLevel >= 1: + file.write("%s" % tab * tabLevel) + file.write(str_o) + if brackets > 0: + tabLevel = tabLevel + brackets + else: + file.write(str_o) + + def uniqueName(name, nameSeq): + + if name not in nameSeq: + name = splitHyphen(name) + return name + + name_orig = name + i = 1 + while name in nameSeq: + name = "%s_%.3d" % (name_orig, i) + i += 1 + name = splitHyphen(name) + return name + + def writeMatrix(matrix): + tabWrite("matrix <%.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, " \ + "%.6f>\n" % (matrix[0][0], matrix[0][1], matrix[0][2], matrix[1][0], matrix[1][1], + matrix[1][2], matrix[2][0], matrix[2][1], matrix[2][2], matrix[3][0], + matrix[3][1], matrix[3][2])) + + def MatrixAsPovString(matrix): + sMatrix = ("matrix <%.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, %.6f, " \ + "%.6f>\n" % (matrix[0][0], matrix[0][1], matrix[0][2], matrix[1][0], matrix[1][1], + matrix[1][2], matrix[2][0], matrix[2][1], matrix[2][2], matrix[3][0], + matrix[3][1], matrix[3][2])) + return sMatrix + + def writeObjectMaterial(material, ob): + + # DH - modified some variables to be function local, avoiding RNA write + # this should be checked to see if it is functionally correct + + # Commented out: always write IOR to be able to use it for SSS, Fresnel reflections... + #if material and material.transparency_method == 'RAYTRACE': + if material: + # But there can be only one! + if material.subsurface_scattering.use: # SSS IOR get highest priority + tabWrite("interior {\n") + tabWrite("ior %.6f\n" % material.subsurface_scattering.ior) + # Then the raytrace IOR taken from raytrace transparency properties and used for + # reflections if IOR Mirror option is checked. + elif material.pov.mirror_use_IOR: + tabWrite("interior {\n") + tabWrite("ior %.6f\n" % material.raytrace_transparency.ior) + else: + tabWrite("interior {\n") + tabWrite("ior %.6f\n" % material.raytrace_transparency.ior) + + pov_fake_caustics = False + pov_photons_refraction = False + pov_photons_reflection = False + + if material.pov.photons_reflection: + pov_photons_reflection = True + if material.pov.refraction_type == "0": + pov_fake_caustics = False + pov_photons_refraction = False + elif material.pov.refraction_type == "1": + pov_fake_caustics = True + pov_photons_refraction = False + elif material.pov.refraction_type == "2": + pov_fake_caustics = False + pov_photons_refraction = True + + # If only Raytrace transparency is set, its IOR will be used for refraction, but user + # can set up 'un-physical' fresnel reflections in raytrace mirror parameters. + # Last, if none of the above is specified, user can set up 'un-physical' fresnel + # reflections in raytrace mirror parameters. And pov IOR defaults to 1. + if material.pov.caustics_enable: + if pov_fake_caustics: + tabWrite("caustics %.3g\n" % material.pov.fake_caustics_power) + if pov_photons_refraction: + # Default of 1 means no dispersion + tabWrite("dispersion %.6f\n" % material.pov.photons_dispersion) + tabWrite("dispersion_samples %.d\n" % material.pov.photons_dispersion_samples) + #TODO + # Other interior args + if material.use_transparency and material.transparency_method == 'RAYTRACE': + # fade_distance + # In Blender this value has always been reversed compared to what tooltip says. + # 100.001 rather than 100 so that it does not get to 0 + # which deactivates the feature in POV + tabWrite("fade_distance %.3g\n" % \ + (100.001 - material.raytrace_transparency.depth_max)) + # fade_power + tabWrite("fade_power %.3g\n" % material.raytrace_transparency.falloff) + # fade_color + tabWrite("fade_color <%.3g, %.3g, %.3g>\n" % material.pov.interior_fade_color[:]) + + # (variable) dispersion_samples (constant count for now) + tabWrite("}\n") + + tabWrite("photons{") + if not ob.pov.collect_photons: + tabWrite("collect off\n") + tabWrite("target %.3g\n" % ob.pov.spacing_multiplier) + if pov_photons_refraction: + tabWrite("refraction on\n") + if pov_photons_reflection: + tabWrite("reflection on\n") + tabWrite("}\n") + + materialNames = {} + DEF_MAT_NAME = "Default" + + def writeMaterial(material): + # Assumes only called once on each material + if material: + name_orig = material.name + else: + name_orig = DEF_MAT_NAME + + name = materialNames[name_orig] = uniqueName(bpy.path.clean_name(name_orig), materialNames) + comments = scene.pov.comments_enable + + ################## + # Several versions of the finish: Level conditions are variations for specular/Mirror + # texture channel map with alternative finish of 0 specular and no mirror reflection. + # Level=1 Means No specular nor Mirror reflection + # Level=2 Means translation of spec and mir levels for when no map influences them + # Level=3 Means Maximum Spec and Mirror + + def povHasnoSpecularMaps(Level): + if Level == 1: + tabWrite("#declare %s = finish {" % safety(name, Level=1)) + if not scene.pov.tempfiles_enable and comments: + file.write(" //No specular nor Mirror reflection\n") + else: + tabWrite("\n") + elif Level == 2: + tabWrite("#declare %s = finish {" % safety(name, Level=2)) + if not scene.pov.tempfiles_enable and comments: + file.write(" //translation of spec and mir levels for when no map " \ + "influences them\n") + else: + tabWrite("\n") + elif Level == 3: + tabWrite("#declare %s = finish {" % safety(name, Level=3)) + if not scene.pov.tempfiles_enable and comments: + file.write(" //Maximum Spec and Mirror\n") + else: + tabWrite("\n") + + if material: + # POV-Ray 3.7 now uses two diffuse values respectively for front and back shading + # (the back diffuse is like blender translucency) + frontDiffuse = material.diffuse_intensity + backDiffuse = material.translucency + + if material.pov.conserve_energy: + + #Total should not go above one + if (frontDiffuse + backDiffuse) <= 1.0: + pass + elif frontDiffuse == backDiffuse: + # Try to respect the user's 'intention' by comparing the two values but + # bringing the total back to one. + frontDiffuse = backDiffuse = 0.5 + # Let the highest value stay the highest value. + elif frontDiffuse > backDiffuse: + # clamps the sum below 1 + backDiffuse = min(backDiffuse, (1.0 - frontDiffuse)) + else: + frontDiffuse = min(frontDiffuse, (1.0 - backDiffuse)) + + # map hardness between 0.0 and 1.0 + roughness = ((1.0 - ((material.specular_hardness - 1.0) / 510.0))) + ## scale from 0.0 to 0.1 + roughness *= 0.1 + # add a small value because 0.0 is invalid. + roughness += (1.0 / 511.0) + + ################################Diffuse Shader###################################### + # Not used for Full spec (Level=3) of the shader. + if material.diffuse_shader == 'OREN_NAYAR' and Level != 3: + # Blender roughness is what is generally called oren nayar Sigma, + # and brilliance in POV-Ray. + tabWrite("brilliance %.3g\n" % (0.9 + material.roughness)) + + if material.diffuse_shader == 'TOON' and Level != 3: + tabWrite("brilliance %.3g\n" % (0.01 + material.diffuse_toon_smooth * 0.25)) + # Lower diffuse and increase specular for toon effect seems to look better + # in POV-Ray. + frontDiffuse *= 0.5 + + if material.diffuse_shader == 'MINNAERT' and Level != 3: + #tabWrite("aoi %.3g\n" % material.darkness) + pass # let's keep things simple for now + if material.diffuse_shader == 'FRESNEL' and Level != 3: + #tabWrite("aoi %.3g\n" % material.diffuse_fresnel_factor) + pass # let's keep things simple for now + if material.diffuse_shader == 'LAMBERT' and Level != 3: + # trying to best match lambert attenuation by that constant brilliance value + tabWrite("brilliance 1.8\n") + + if Level == 2: + ###########################Specular Shader###################################### + # No difference between phong and cook torrence in blender HaHa! + if (material.specular_shader == 'COOKTORR' or + material.specular_shader == 'PHONG'): + tabWrite("phong %.3g\n" % (material.specular_intensity)) + tabWrite("phong_size %.3g\n" % (material.specular_hardness / 2 + 0.25)) + + # POV-Ray 'specular' keyword corresponds to a Blinn model, without the ior. + elif material.specular_shader == 'BLINN': + # Use blender Blinn's IOR just as some factor for spec intensity + tabWrite("specular %.3g\n" % (material.specular_intensity * + (material.specular_ior / 4.0))) + tabWrite("roughness %.3g\n" % roughness) + #Could use brilliance 2(or varying around 2 depending on ior or factor) too. + + elif material.specular_shader == 'TOON': + tabWrite("phong %.3g\n" % (material.specular_intensity * 2)) + # use extreme phong_size + tabWrite("phong_size %.3g\n" % (0.1 + material.specular_toon_smooth / 2)) + + elif material.specular_shader == 'WARDISO': + # find best suited default constant for brilliance Use both phong and + # specular for some values. + tabWrite("specular %.3g\n" % (material.specular_intensity / + (material.specular_slope + 0.0005))) + # find best suited default constant for brilliance Use both phong and + # specular for some values. + tabWrite("roughness %.4g\n" % (0.0005 + material.specular_slope / 10.0)) + # find best suited default constant for brilliance Use both phong and + # specular for some values. + tabWrite("brilliance %.4g\n" % (1.8 - material.specular_slope * 1.8)) + + #################################################################################### + elif Level == 1: + tabWrite("specular 0\n") + elif Level == 3: + tabWrite("specular 1\n") + tabWrite("diffuse %.3g %.3g\n" % (frontDiffuse, backDiffuse)) + + tabWrite("ambient %.3g\n" % material.ambient) + # POV-Ray blends the global value + #tabWrite("ambient rgb <%.3g, %.3g, %.3g>\n" % \ + # tuple([c*material.ambient for c in world.ambient_color])) + tabWrite("emission %.3g\n" % material.emit) # New in POV-Ray 3.7 + + #POV-Ray just ignores roughness if there's no specular keyword + #tabWrite("roughness %.3g\n" % roughness) + + if material.pov.conserve_energy: + # added for more realistic shading. Needs some checking to see if it + # really works. --Maurice. + tabWrite("conserve_energy\n") + + # 'phong 70.0 ' + if Level != 1: + if material.raytrace_mirror.use: + raytrace_mirror = material.raytrace_mirror + if raytrace_mirror.reflect_factor: + tabWrite("reflection {\n") + tabWrite("rgb <%.3g, %.3g, %.3g>" % material.mirror_color[:]) + if material.pov.mirror_metallic: + tabWrite("metallic %.3g" % (raytrace_mirror.reflect_factor)) + if material.pov.mirror_use_IOR: # WORKING ? + # Removed from the line below: gives a more physically correct + # material but needs proper IOR. --Maurice + tabWrite("fresnel 1 ") + tabWrite("falloff %.3g exponent %.3g} " % \ + (raytrace_mirror.fresnel, raytrace_mirror.fresnel_factor)) + + if material.subsurface_scattering.use: + subsurface_scattering = material.subsurface_scattering + tabWrite("subsurface { <%.3g, %.3g, %.3g>, <%.3g, %.3g, %.3g> }\n" % ( + sqrt(subsurface_scattering.radius[0]) * 1.5, + sqrt(subsurface_scattering.radius[1]) * 1.5, + sqrt(subsurface_scattering.radius[2]) * 1.5, + 1.0 - subsurface_scattering.color[0], + 1.0 - subsurface_scattering.color[1], + 1.0 - subsurface_scattering.color[2]) + ) + + if material.pov.irid_enable: + tabWrite("irid { %.4g thickness %.4g turbulence %.4g }" % \ + (material.pov.irid_amount, material.pov.irid_thickness, + material.pov.irid_turbulence)) + + else: + tabWrite("diffuse 0.8\n") + tabWrite("phong 70.0\n") + + #tabWrite("specular 0.2\n") + + # This is written into the object + ''' + if material and material.transparency_method=='RAYTRACE': + 'interior { ior %.3g} ' % material.raytrace_transparency.ior + ''' + + #tabWrite("crand 1.0\n") # Sand granyness + #tabWrite("metallic %.6f\n" % material.spec) + #tabWrite("phong %.6f\n" % material.spec) + #tabWrite("phong_size %.6f\n" % material.spec) + #tabWrite("brilliance %.6f " % (material.specular_hardness/256.0) # Like hardness + + tabWrite("}\n\n") + + # Level=2 Means translation of spec and mir levels for when no map influences them + povHasnoSpecularMaps(Level=2) + + if material: + special_texture_found = False + for t in material.texture_slots: + if(t and t.texture.type == 'IMAGE' and t.use and t.texture.image and + (t.use_map_specular or t.use_map_raymir or t.use_map_normal or t.use_map_alpha)): + special_texture_found = True + continue # Some texture found + + if special_texture_found: + # Level=1 Means No specular nor Mirror reflection + povHasnoSpecularMaps(Level=1) + + # Level=3 Means Maximum Spec and Mirror + povHasnoSpecularMaps(Level=3) + + def exportCamera(): + camera = scene.camera + + # DH disabled for now, this isn't the correct context + active_object = None # bpy.context.active_object # does not always work MR + matrix = global_matrix * camera.matrix_world + focal_point = camera.data.dof_distance + + # compute resolution + Qsize = float(render.resolution_x) / float(render.resolution_y) + tabWrite("#declare camLocation = <%.6f, %.6f, %.6f>;\n" % \ + (matrix[3][0], matrix[3][1], matrix[3][2])) + tabWrite("#declare camLookAt = <%.6f, %.6f, %.6f>;\n" % \ + tuple([degrees(e) for e in matrix.to_3x3().to_euler()])) + + tabWrite("camera {\n") + if scene.pov.baking_enable and active_object and active_object.type == 'MESH': + tabWrite("mesh_camera{ 1 3\n") # distribution 3 is what we want here + tabWrite("mesh{%s}\n" % active_object.name) + tabWrite("}\n") + tabWrite("location <0,0,.01>") + tabWrite("direction <0,0,-1>") + # Using standard camera otherwise + else: + tabWrite("location <0, 0, 0>\n") + tabWrite("look_at <0, 0, -1>\n") + tabWrite("right <%s, 0, 0>\n" % - Qsize) + tabWrite("up <0, 1, 0>\n") + tabWrite("angle %f\n" % (360.0 * atan(16.0 / camera.data.lens) / pi)) + + tabWrite("rotate <%.6f, %.6f, %.6f>\n" % \ + tuple([degrees(e) for e in matrix.to_3x3().to_euler()])) + tabWrite("translate <%.6f, %.6f, %.6f>\n" % (matrix[3][0], matrix[3][1], matrix[3][2])) + if camera.data.pov.dof_enable and focal_point != 0: + tabWrite("aperture %.3g\n" % camera.data.pov.dof_aperture) + tabWrite("blur_samples %d %d\n" % \ + (camera.data.pov.dof_samples_min, camera.data.pov.dof_samples_max)) + tabWrite("variance 1/%d\n" % camera.data.pov.dof_variance) + tabWrite("confidence %.3g\n" % camera.data.pov.dof_confidence) + tabWrite("focal_point <0, 0, %f>\n" % focal_point) + tabWrite("}\n") + + def exportLamps(lamps): + # Incremented after each lamp export to declare its target + # currently used for Fresnel diffuse shader as their slope vector: + global lampCount + lampCount = 0 + # Get all lamps + for ob in lamps: + lamp = ob.data + + matrix = global_matrix * ob.matrix_world + + # Colour is modified by energy #muiltiplie by 2 for a better match --Maurice + color = tuple([c * lamp.energy * 2.0 for c in lamp.color]) + + tabWrite("light_source {\n") + tabWrite("< 0,0,0 >\n") + tabWrite("color rgb<%.3g, %.3g, %.3g>\n" % color) + + if lamp.type == 'POINT': + pass + elif lamp.type == 'SPOT': + tabWrite("spotlight\n") + + # Falloff is the main radius from the centre line + tabWrite("falloff %.2f\n" % (degrees(lamp.spot_size) / 2.0)) # 1 TO 179 FOR BOTH + tabWrite("radius %.6f\n" % \ + ((degrees(lamp.spot_size) / 2.0) * (1.0 - lamp.spot_blend))) + + # Blender does not have a tightness equivilent, 0 is most like blender default. + tabWrite("tightness 0\n") # 0:10f + + tabWrite("point_at <0, 0, -1>\n") + elif lamp.type == 'SUN': + tabWrite("parallel\n") + tabWrite("point_at <0, 0, -1>\n") # *must* be after 'parallel' + + elif lamp.type == 'AREA': + tabWrite("fade_distance %.6f\n" % (lamp.distance / 5.0)) + # Area lights have no falloff type, so always use blenders lamp quad equivalent + # for those? + tabWrite("fade_power %d\n" % 2) + size_x = lamp.size + samples_x = lamp.shadow_ray_samples_x + if lamp.shape == 'SQUARE': + size_y = size_x + samples_y = samples_x + else: + size_y = lamp.size_y + samples_y = lamp.shadow_ray_samples_y + + tabWrite("area_light <%d,0,0>,<0,0,%d> %d, %d\n" % \ + (size_x, size_y, samples_x, samples_y)) + if lamp.shadow_ray_sample_method == 'CONSTANT_JITTERED': + if lamp.jitter: + tabWrite("jitter\n") + else: + tabWrite("adaptive 1\n") + tabWrite("jitter\n") + + # HEMI never has any shadow_method attribute + if(not scene.render.use_shadows or lamp.type == 'HEMI' or + (lamp.type != 'HEMI' and lamp.shadow_method == 'NOSHADOW')): + tabWrite("shadowless\n") + + # Sun shouldn't be attenuated. Hemi and area lights have no falloff attribute so they + # are put to type 2 attenuation a little higher above. + if lamp.type not in ('SUN', 'AREA', 'HEMI'): + tabWrite("fade_distance %.6f\n" % (lamp.distance / 5.0)) + if lamp.falloff_type == 'INVERSE_SQUARE': + tabWrite("fade_power %d\n" % 2) # Use blenders lamp quad equivalent + elif lamp.falloff_type == 'INVERSE_LINEAR': + tabWrite("fade_power %d\n" % 1) # Use blenders lamp linear + # upposing using no fade power keyword would default to constant, no attenuation. + elif lamp.falloff_type == 'CONSTANT': + pass + # Using Custom curve for fade power 3 for now. + elif lamp.falloff_type == 'CUSTOM_CURVE': + tabWrite("fade_power %d\n" % 4) + + writeMatrix(matrix) + + tabWrite("}\n") + + lampCount += 1 + + # v(A,B) rotates vector A about origin by vector B. + file.write("#declare lampTarget%s= vrotate(<%.4g,%.4g,%.4g>,<%.4g,%.4g,%.4g>);\n" % \ + (lampCount, -(ob.location.x), -(ob.location.y), -(ob.location.z), + ob.rotation_euler.x, ob.rotation_euler.y, ob.rotation_euler.z)) + +#################################################################################################### + + def exportMeta(metas): + + # TODO - blenders 'motherball' naming is not supported. + + if not scene.pov.tempfiles_enable and scene.pov.comments_enable and len(metas) >= 1: + file.write("//--Blob objects--\n\n") + + for ob in metas: + meta = ob.data + + # important because no elements will break parsing. + elements = [elem for elem in meta.elements if elem.type in ('BALL', 'ELLIPSOID')] + + if elements: + tabWrite("blob {\n") + tabWrite("threshold %.4g\n" % meta.threshold) + importance = ob.pov.importance_value + + try: + 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': + + 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 + 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 + else: + povFilter = 0.0 + + material_finish = materialNames[material.name] + + 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)) + + else: + tabWrite("pigment {rgb<1 1 1>} \n") + # Write the finish last. + tabWrite("finish {%s}\n" % (safety(DEF_MAT_NAME, Level=2))) + + writeObjectMaterial(material, ob) + + writeMatrix(global_matrix * ob.matrix_world) + #Importance for radiosity sampling added here: + tabWrite("radiosity { \n") + tabWrite("importance %3g \n" % importance) + tabWrite("}\n") + + tabWrite("}\n") # End of Metaball block + + if not scene.pov.tempfiles_enable and scene.pov.comments_enable and len(metas) >= 1: + file.write("\n") + +# objectNames = {} + DEF_OBJ_NAME = "Default" + + 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 != None and ms.link == 'OBJECT': +# 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 != None and ms.link == 'OBJECT': +# # If there is at least one material slot linked to the object +# # and not the data (mesh), always create a new, “private” data instance. +# return True +# return False + # For objects using local material(s) only! + # This is a mapping between a tuple (dataname, materialnames, …), and the POV dataname. + # As only objects using: + # * The same data. + # * EXACTLY the same materials, in EXACTLY the same sockets. + # … can share a same instance in POV export. + obmats2data = {} + + def checkObjectMaterials(ob, name, dataname): + if hasattr(ob, 'material_slots'): + has_local_mats = False + key = [dataname] + for ms in ob.material_slots: + if ms.material != None: + 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… + 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… + # Note that here also, we use object name as new, unique dataname for Pov. + key = tuple(key) # Lists are not hashable… + if key not in obmats2data: + obmats2data[key] = name + return obmats2data[key] + return None + + data_ref = {} + + 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. + # This func returns the “povray” name of the data, or None + # 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 + + ob_num = 0 + for ob in sel: + ob_num += 1 + + # XXX I moved all those checks here, as there is no need to compute names + # for object we won’t export here! + if ob.type in ('LAMP', 'CAMERA', 'EMPTY', 'META', 'ARMATURE', 'LATTICE'): + continue + + try: + me = ob.to_mesh(scene, True, 'RENDER') + except: + # happens when curves cant be made into meshes because of no-data + continue + + importance = ob.pov.importance_value + me_materials = me.materials + me_faces = me.faces[:] + + if not me or not me_faces: + continue + +############################################# + # Generating a name for object just like materials to be able to use it + # (baking for now or anything else). + # XXX I don’t understand that – if we are here, sel if a non-empty iterable, + # so this condition is always True, IMO -- mont29 + if sel: + name_orig = "OB" + ob.name + dataname_orig = "DATA" + ob.data.name + else: + name_orig = DEF_OBJ_NAME + dataname_orig = DEF_OBJ_NAME + name = splitHyphen(bpy.path.clean_name(name_orig)) + dataname = splitHyphen(bpy.path.clean_name(dataname_orig)) +## for slot in ob.material_slots: +## if slot.material != None and slot.link == 'OBJECT': +## obmaterial = slot.material + +############################################# + + if info_callback: + info_callback("Object %2.d of %2.d (%s)" % (ob_num, len(sel), ob.name)) + + #if ob.type != 'MESH': + # continue + # me = ob.data + + matrix = global_matrix * ob.matrix_world + povdataname = store(scene, ob, name, dataname, matrix) + if povdataname is None: + print("This is an instance") + continue + + print("Writing Down First Occurence") + + try: + uv_layer = me.uv_textures.active.data + except AttributeError: + uv_layer = None + + try: + vcol_layer = me.vertex_colors.active.data + except AttributeError: + vcol_layer = None + + faces_verts = [f.vertices[:] for f in me_faces] + faces_normals = [f.normal[:] for f in me_faces] + verts_normals = [v.normal[:] for v in me.vertices] + + # quads incur an extra face + quadCount = sum(1 for f in faces_verts if len(f) == 4) + + # Use named declaration to allow reference e.g. for baking. MR + file.write("\n") + tabWrite("#declare %s =\n" % povdataname) + tabWrite("mesh2 {\n") + tabWrite("vertex_vectors {\n") + tabWrite("%d" % len(me.vertices)) # vert count + + tabStr = tab * tabLevel + for v in me.vertices: + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + file.write(tabStr + "<%.6f, %.6f, %.6f>" % v.co[:]) # vert count + else: + file.write(", ") + file.write("<%.6f, %.6f, %.6f>" % v.co[:]) # vert count + #tabWrite("<%.6f, %.6f, %.6f>" % v.co[:]) # vert count + file.write("\n") + tabWrite("}\n") + + # Build unique Normal list + uniqueNormals = {} + for fi, f in enumerate(me_faces): + fv = faces_verts[fi] + # [-1] is a dummy index, use a list so we can modify in place + if f.use_smooth: # Use vertex normals + for v in fv: + key = verts_normals[v] + uniqueNormals[key] = [-1] + else: # Use face normal + key = faces_normals[fi] + uniqueNormals[key] = [-1] + + tabWrite("normal_vectors {\n") + tabWrite("%d" % len(uniqueNormals)) # vert count + idx = 0 + tabStr = tab * tabLevel + for no, index in uniqueNormals.items(): + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + file.write(tabStr + "<%.6f, %.6f, %.6f>" % no) # vert count + else: + file.write(", ") + file.write("<%.6f, %.6f, %.6f>" % no) # vert count + index[0] = idx + idx += 1 + file.write("\n") + tabWrite("}\n") + + # Vertex colours + vertCols = {} # Use for material colours also. + + if uv_layer: + # Generate unique UV's + uniqueUVs = {} + + for fi, uv in enumerate(uv_layer): + + if len(faces_verts[fi]) == 4: + uvs = uv.uv1, uv.uv2, uv.uv3, uv.uv4 + else: + uvs = uv.uv1, uv.uv2, uv.uv3 + + for uv in uvs: + uniqueUVs[uv[:]] = [-1] + + tabWrite("uv_vectors {\n") + #print unique_uvs + tabWrite("%d" % len(uniqueUVs)) # vert count + idx = 0 + tabStr = tab * tabLevel + for uv, index in uniqueUVs.items(): + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + file.write(tabStr + "<%.6f, %.6f>" % uv) + else: + file.write(", ") + file.write("<%.6f, %.6f>" % uv) + index[0] = idx + idx += 1 + ''' + else: + # Just add 1 dummy vector, no real UV's + tabWrite('1') # vert count + file.write(',\n\t\t<0.0, 0.0>') + ''' + file.write("\n") + tabWrite("}\n") + + if me.vertex_colors: + + for fi, f in enumerate(me_faces): + material_index = f.material_index + material = me_materials[material_index] + + if material and material.use_vertex_color_paint: + + col = vcol_layer[fi] + + if len(faces_verts[fi]) == 4: + cols = col.color1, col.color2, col.color3, col.color4 + else: + cols = col.color1, col.color2, col.color3 + + for col in cols: + key = col[0], col[1], col[2], material_index # Material index! + vertCols[key] = [-1] + + else: + if material: + diffuse_color = material.diffuse_color[:] + key = diffuse_color[0], diffuse_color[1], diffuse_color[2], \ + material_index + vertCols[key] = [-1] + + else: + # No vertex colours, so write material colours as vertex colours + for i, material in enumerate(me_materials): + + if material: + diffuse_color = material.diffuse_color[:] + key = diffuse_color[0], diffuse_color[1], diffuse_color[2], i # i == f.mat + vertCols[key] = [-1] + + # Vert Colours + tabWrite("texture_list {\n") + file.write(tabStr + "%s" % (len(vertCols))) # vert count + idx = 0 + + for col, index in vertCols.items(): + if me_materials: + material = me_materials[col[3]] + material_finish = materialNames[material.name] + + if material.use_transparency: + trans = 1.0 - material.alpha + else: + trans = 0.0 + + if material.use_transparency and material.transparency_method == 'RAYTRACE': + povFilter = material.raytrace_transparency.filter * (1.0 - material.alpha) + trans = (1.0 - material.alpha) - povFilter + else: + povFilter = 0.0 + else: + material_finish = DEF_MAT_NAME # not working properly, + trans = 0.0 + + ##############SF + texturesDif = "" + texturesSpec = "" + texturesNorm = "" + texturesAlpha = "" + for t in material.texture_slots: + if t and t.texture.type == 'IMAGE' and t.use and t.texture.image: + image_filename = path_image(t.texture.image.filepath) + imgGamma = "" + if image_filename: + if t.use_map_color_diffuse: + texturesDif = image_filename + colvalue = t.default_value + t_dif = t + if t_dif.texture.pov.tex_gamma_enable: + imgGamma = (" gamma %.3g " % t_dif.texture.pov.tex_gamma_value) + if t.use_map_specular or t.use_map_raymir: + texturesSpec = image_filename + colvalue = t.default_value + t_spec = t + if t.use_map_normal: + texturesNorm = image_filename + colvalue = t.normal_factor * 10.0 + #textNormName=t.texture.image.name + ".normal" + #was the above used? --MR + t_nor = t + if t.use_map_alpha: + texturesAlpha = image_filename + colvalue = t.alpha_factor * 10.0 + #textDispName=t.texture.image.name + ".displ" + #was the above used? --MR + t_alpha = t + + #################################################################################### + + if material.pov.replacement_text != "": + file.write("\n") + file.write(" texture{%s}\n" % material.pov.replacement_text) + + else: + file.write("\n") + # THIS AREA NEEDS TO LEAVE THE TEXTURE OPEN UNTIL ALL MAPS ARE WRITTEN DOWN. + # --MR + tabWrite("texture {\n") + + ################################################################################ + if material.diffuse_shader == 'MINNAERT': + tabWrite("\n") + tabWrite("aoi\n") + tabWrite("texture_map {\n") + tabWrite("[%.3g finish {diffuse %.3g}]\n" % \ + (material.darkness / 2.0, 2.0 - material.darkness)) + tabWrite("[%.3g\n" % (1.0 - (material.darkness / 2.0))) + + if material.diffuse_shader == 'FRESNEL': + # For FRESNEL diffuse in POV, we'll layer slope patterned textures + # with lamp vector as the slope vector and nest one slope per lamp + # into each texture map's entry. + + c = 1 + while (c <= lampCount): + tabWrite("slope { lampTarget%s }\n" % (c)) + tabWrite("texture_map {\n") + # Diffuse Fresnel value and factor go up to five, + # other kind of values needed: used the number 5 below to remap + tabWrite("[%.3g finish {diffuse %.3g}]\n" % \ + ((5.0 - material.diffuse_fresnel) / 5, + (material.diffuse_intensity * + ((5.0 - material.diffuse_fresnel_factor) / 5)))) + tabWrite("[%.3g\n" % ((material.diffuse_fresnel_factor / 5) * + (material.diffuse_fresnel / 5.0))) + c += 1 + + # if shader is a 'FRESNEL' or 'MINNAERT': slope pigment pattern or aoi + # and texture map above, the rest below as one of its entry + + if texturesSpec != "" or texturesAlpha != "": + if texturesSpec != "": + # tabWrite("\n") + tabWrite("pigment_pattern {\n") + # POV-Ray "scale" is not a number of repetitions factor, but its + # inverse, a standard scale factor. + # Offset seems needed relatively to scale so probably center of the + # scale is not the same in blender and POV + mappingSpec = "translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>\n" % \ + (-t_spec.offset.x, t_spec.offset.y, t_spec.offset.z, + 1.0 / t_spec.scale.x, 1.0 / t_spec.scale.y, + 1.0 / t_spec.scale.z) + tabWrite("uv_mapping image_map{%s \"%s\" %s}\n" % \ + (imageFormat(texturesSpec), texturesSpec, imgMap(t_spec))) + tabWrite("%s\n" % mappingSpec) + tabWrite("}\n") + tabWrite("texture_map {\n") + tabWrite("[0 \n") + + if texturesDif == "": + if texturesAlpha != "": + tabWrite("\n") + # POV-Ray "scale" is not a number of repetitions factor, but its + # inverse, a standard scale factor. + # Offset seems needed relatively to scale so probably center of the + # scale is not the same in blender and POV + mappingAlpha = " translate <%.4g, %.4g, %.4g> " \ + "scale <%.4g, %.4g, %.4g>\n" % \ + (-t_alpha.offset.x, -t_alpha.offset.y, + t_alpha.offset.z, 1.0 / t_alpha.scale.x, + 1.0 / t_alpha.scale.y, 1.0 / t_alpha.scale.z) + tabWrite("pigment {pigment_pattern {uv_mapping image_map" \ + "{%s \"%s\" %s}%s" % \ + (imageFormat(texturesAlpha), texturesAlpha, + imgMap(t_alpha), mappingAlpha)) + tabWrite("}\n") + tabWrite("pigment_map {\n") + tabWrite("[0 color rgbft<0,0,0,1,1>]\n") + tabWrite("[1 color rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>]\n" % \ + (col[0], col[1], col[2], povFilter, trans)) + tabWrite("}\n") + tabWrite("}\n") + + else: + + tabWrite("pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>}\n" % \ + (col[0], col[1], col[2], povFilter, trans)) + + if texturesSpec != "": + # Level 1 is no specular + tabWrite("finish {%s}\n" % (safety(material_finish, Level=1))) + + else: + # Level 2 is translated spec + tabWrite("finish {%s}\n" % (safety(material_finish, Level=2))) + + else: + # POV-Ray "scale" is not a number of repetitions factor, but its + # inverse, a standard scale factor. + # Offset seems needed relatively to scale so probably center of the + # scale is not the same in blender and POV + mappingDif = ("translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>" % \ + (-t_dif.offset.x, -t_dif.offset.y, t_dif.offset.z, + 1.0 / t_dif.scale.x, 1.0 / t_dif.scale.y, + 1.0 / t_dif.scale.z)) + if texturesAlpha != "": + # POV-Ray "scale" is not a number of repetitions factor, but its + # inverse, a standard scale factor. + # Offset seems needed relatively to scale so probably center of the + # scale is not the same in blender and POV + mappingAlpha = " translate <%.4g,%.4g,%.4g> " \ + "scale <%.4g,%.4g,%.4g>" % \ + (-t_alpha.offset.x, -t_alpha.offset.y, + t_alpha.offset.z, 1.0 / t_alpha.scale.x, + 1.0 / t_alpha.scale.y, 1.0 / t_alpha.scale.z) + tabWrite("pigment {\n") + tabWrite("pigment_pattern {\n") + tabWrite("uv_mapping image_map{%s \"%s\" %s}%s}\n" % \ + (imageFormat(texturesAlpha), texturesAlpha, + imgMap(t_alpha), mappingAlpha)) + tabWrite("pigment_map {\n") + tabWrite("[0 color rgbft<0,0,0,1,1>]\n") + tabWrite("[1 uv_mapping image_map {%s \"%s\" %s} %s]\n" % \ + (imageFormat(texturesDif), texturesDif, + (imgGamma + imgMap(t_dif)), mappingDif)) + tabWrite("}\n") + tabWrite("}\n") + + else: + tabWrite("pigment {uv_mapping image_map {%s \"%s\" %s}%s}\n" % \ + (imageFormat(texturesDif), texturesDif, + (imgGamma + imgMap(t_dif)), mappingDif)) + + if texturesSpec != "": + # Level 1 is no specular + tabWrite("finish {%s}\n" % (safety(material_finish, Level=1))) + + else: + # Level 2 is translated specular + tabWrite("finish {%s}\n" % (safety(material_finish, Level=2))) + + ## scale 1 rotate y*0 + #imageMap = ("{image_map {%s \"%s\" %s }\n" % \ + # (imageFormat(textures),textures,imgMap(t_dif))) + #tabWrite("uv_mapping pigment %s} %s finish {%s}\n" % \ + # (imageMap,mapping,safety(material_finish))) + #tabWrite("pigment {uv_mapping image_map {%s \"%s\" %s}%s} " \ + # "finish {%s}\n" % \ + # (imageFormat(texturesDif), texturesDif, imgMap(t_dif), + # mappingDif, safety(material_finish))) + if texturesNorm != "": + ## scale 1 rotate y*0 + # POV-Ray "scale" is not a number of repetitions factor, but its + # inverse, a standard scale factor. + # Offset seems needed relatively to scale so probably center of the + # scale is not the same in blender and POV + mappingNor = " translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>" % \ + (-t_nor.offset.x, -t_nor.offset.y, t_nor.offset.z, + 1.0 / t_nor.scale.x, 1.0 / t_nor.scale.y, + 1.0 / t_nor.scale.z) + #imageMapNor = ("{bump_map {%s \"%s\" %s mapping}" % \ + # (imageFormat(texturesNorm),texturesNorm,imgMap(t_nor))) + #We were not using the above maybe we should? + tabWrite("normal {uv_mapping bump_map " \ + "{%s \"%s\" %s bump_size %.4g }%s}\n" % \ + (imageFormat(texturesNorm), texturesNorm, imgMap(t_nor), + t_nor.normal_factor * 10, mappingNor)) + if texturesSpec != "": + tabWrite("]\n") + ##################Second index for mapping specular max value############### + tabWrite("[1 \n") + + if texturesDif == "" and material.pov.replacement_text == "": + if texturesAlpha != "": + # POV-Ray "scale" is not a number of repetitions factor, but its inverse, + # a standard scale factor. + # Offset seems needed relatively to scale so probably center of the scale + # is not the same in blender and POV + # Strange that the translation factor for scale is not the same as for + # translate. + # TODO: verify both matches with blender internal. + mappingAlpha = " translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>\n" % \ + (-t_alpha.offset.x, -t_alpha.offset.y, t_alpha.offset.z, + 1.0 / t_alpha.scale.x, 1.0 / t_alpha.scale.y, + 1.0 / t_alpha.scale.z) + tabWrite("pigment {pigment_pattern {uv_mapping image_map" \ + "{%s \"%s\" %s}%s}\n" % \ + (imageFormat(texturesAlpha), texturesAlpha, imgMap(t_alpha), + mappingAlpha)) + tabWrite("pigment_map {\n") + tabWrite("[0 color rgbft<0,0,0,1,1>]\n") + tabWrite("[1 color rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>]\n" % \ + (col[0], col[1], col[2], povFilter, trans)) + tabWrite("}\n") + tabWrite("}\n") + + else: + tabWrite("pigment {rgbft<%.3g, %.3g, %.3g, %.3g, %.3g>}\n" % \ + (col[0], col[1], col[2], povFilter, trans)) + + if texturesSpec != "": + # Level 3 is full specular + tabWrite("finish {%s}\n" % (safety(material_finish, Level=3))) + + else: + # Level 2 is translated specular + tabWrite("finish {%s}\n" % (safety(material_finish, Level=2))) + + elif material.pov.replacement_text == "": + # POV-Ray "scale" is not a number of repetitions factor, but its inverse, + # a standard scale factor. + # Offset seems needed relatively to scale so probably center of the scale is + # not the same in blender and POV + # Strange that the translation factor for scale is not the same as for + # translate. + # TODO: verify both matches with blender internal. + mappingDif = ("translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>" % \ + (-t_dif.offset.x, -t_dif.offset.y, t_dif.offset.z, + 1.0 / t_dif.scale.x, 1.0 / t_dif.scale.y, 1.0 / t_dif.scale.z)) + if texturesAlpha != "": + # Strange that the translation factor for scale is not the same as for + # translate. + # TODO: verify both matches with blender internal. + mappingAlpha = "translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>" % \ + (-t_alpha.offset.x, -t_alpha.offset.y, t_alpha.offset.z, + 1.0 / t_alpha.scale.x, 1.0 / t_alpha.scale.y, + 1.0 / t_alpha.scale.z) + tabWrite("pigment {pigment_pattern {uv_mapping image_map" \ + "{%s \"%s\" %s}%s}\n" % \ + (imageFormat(texturesAlpha), texturesAlpha, imgMap(t_alpha), + mappingAlpha)) + tabWrite("pigment_map {\n") + tabWrite("[0 color rgbft<0,0,0,1,1>]\n") + tabWrite("[1 uv_mapping image_map {%s \"%s\" %s} %s]\n" % \ + (imageFormat(texturesDif), texturesDif, + (imgMap(t_dif) + imgGamma), mappingDif)) + tabWrite("}\n") + tabWrite("}\n") + + else: + tabWrite("pigment {\n") + tabWrite("uv_mapping image_map {\n") + #tabWrite("%s \"%s\" %s}%s\n" % \ + # (imageFormat(texturesDif), texturesDif, + # (imgGamma + imgMap(t_dif)),mappingDif)) + tabWrite("%s \"%s\" \n" % (imageFormat(texturesDif), texturesDif)) + tabWrite("%s\n" % (imgGamma + imgMap(t_dif))) + tabWrite("}\n") + tabWrite("%s\n" % mappingDif) + tabWrite("}\n") + if texturesSpec != "": + # Level 3 is full specular + tabWrite("finish {%s}\n" % (safety(material_finish, Level=3))) + else: + # Level 2 is translated specular + tabWrite("finish {%s}\n" % (safety(material_finish, Level=2))) + + ## scale 1 rotate y*0 + #imageMap = ("{image_map {%s \"%s\" %s }" % \ + # (imageFormat(textures), textures,imgMap(t_dif))) + #file.write("\n\t\t\tuv_mapping pigment %s} %s finish {%s}" % \ + # (imageMap, mapping, safety(material_finish))) + #file.write("\n\t\t\tpigment {uv_mapping image_map " \ + # "{%s \"%s\" %s}%s} finish {%s}" % \ + # (imageFormat(texturesDif), texturesDif,imgMap(t_dif), + # mappingDif, safety(material_finish))) + if texturesNorm != "" and material.pov.replacement_text == "": + ## scale 1 rotate y*0 + # POV-Ray "scale" is not a number of repetitions factor, but its inverse, + # a standard scale factor. + # Offset seems needed relatively to scale so probably center of the scale is + # not the same in blender and POV + mappingNor = (" translate <%.4g,%.4g,%.4g> scale <%.4g,%.4g,%.4g>" % \ + (-t_nor.offset.x, -t_nor.offset.y, t_nor.offset.z, + 1.0 / t_nor.scale.x, 1.0 / t_nor.scale.y, 1.0 / t_nor.scale.z)) + #imageMapNor = ("{bump_map {%s \"%s\" %s mapping}" % \ + # (imageFormat(texturesNorm),texturesNorm,imgMap(t_nor))) + #We were not using the above maybe we should? + tabWrite("normal {uv_mapping bump_map {%s \"%s\" %s bump_size %.4g }%s}\n" % \ + (imageFormat(texturesNorm), texturesNorm, imgMap(t_nor), + t_nor.normal_factor * 10.0, mappingNor)) + if texturesSpec != "" and material.pov.replacement_text == "": + tabWrite("]\n") + + tabWrite("}\n") + + #End of slope/ior texture_map + if material.diffuse_shader == 'MINNAERT' and material.pov.replacement_text == "": + tabWrite("]\n") + tabWrite("}\n") + if material.diffuse_shader == 'FRESNEL' and material.pov.replacement_text == "": + c = 1 + while (c <= lampCount): + tabWrite("]\n") + tabWrite("}\n") + c += 1 + + if material.pov.replacement_text == "": + tabWrite("}\n") # THEN IT CAN CLOSE IT --MR + + #################################################################################### + index[0] = idx + idx += 1 + + tabWrite("}\n") + + # Face indices + tabWrite("face_indices {\n") + tabWrite("%d" % (len(me_faces) + quadCount)) # faces count + tabStr = tab * tabLevel + + for fi, f in enumerate(me_faces): + fv = faces_verts[fi] + material_index = f.material_index + if len(fv) == 4: + indices = (0, 1, 2), (0, 2, 3) + else: + indices = ((0, 1, 2),) + + if vcol_layer: + col = vcol_layer[fi] + + if len(fv) == 4: + cols = col.color1, col.color2, col.color3, col.color4 + else: + cols = col.color1, col.color2, col.color3 + + if not me_materials or me_materials[material_index] is None: # No materials + for i1, i2, i3 in indices: + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + # vert count + file.write(tabStr + "<%d,%d,%d>" % (fv[i1], fv[i2], fv[i3])) + else: + file.write(", ") + file.write("<%d,%d,%d>" % (fv[i1], fv[i2], fv[i3])) # vert count + else: + material = me_materials[material_index] + for i1, i2, i3 in indices: + if me.vertex_colors and material.use_vertex_color_paint: + # Colour per vertex - vertex colour + + col1 = cols[i1] + col2 = cols[i2] + col3 = cols[i3] + + ci1 = vertCols[col1[0], col1[1], col1[2], material_index][0] + ci2 = vertCols[col2[0], col2[1], col2[2], material_index][0] + ci3 = vertCols[col3[0], col3[1], col3[2], material_index][0] + else: + # Colour per material - flat material colour + diffuse_color = material.diffuse_color + ci1 = ci2 = ci3 = vertCols[diffuse_color[0], diffuse_color[1], \ + diffuse_color[2], f.material_index][0] + + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + file.write(tabStr + "<%d,%d,%d>, %d,%d,%d" % \ + (fv[i1], fv[i2], fv[i3], ci1, ci2, ci3)) # vert count + else: + file.write(", ") + file.write("<%d,%d,%d>, %d,%d,%d" % \ + (fv[i1], fv[i2], fv[i3], ci1, ci2, ci3)) # vert count + + file.write("\n") + tabWrite("}\n") + + # normal_indices indices + tabWrite("normal_indices {\n") + tabWrite("%d" % (len(me_faces) + quadCount)) # faces count + tabStr = tab * tabLevel + for fi, fv in enumerate(faces_verts): + + if len(fv) == 4: + indices = (0, 1, 2), (0, 2, 3) + else: + indices = ((0, 1, 2),) + + for i1, i2, i3 in indices: + if me_faces[fi].use_smooth: + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + file.write(tabStr + "<%d,%d,%d>" %\ + (uniqueNormals[verts_normals[fv[i1]]][0],\ + uniqueNormals[verts_normals[fv[i2]]][0],\ + uniqueNormals[verts_normals[fv[i3]]][0])) # vert count + else: + file.write(", ") + file.write("<%d,%d,%d>" %\ + (uniqueNormals[verts_normals[fv[i1]]][0],\ + uniqueNormals[verts_normals[fv[i2]]][0],\ + uniqueNormals[verts_normals[fv[i3]]][0])) # vert count + else: + idx = uniqueNormals[faces_normals[fi]][0] + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + file.write(tabStr + "<%d,%d,%d>" % (idx, idx, idx)) # vert count + else: + file.write(", ") + file.write("<%d,%d,%d>" % (idx, idx, idx)) # vert count + + file.write("\n") + tabWrite("}\n") + + if uv_layer: + tabWrite("uv_indices {\n") + tabWrite("%d" % (len(me_faces) + quadCount)) # faces count + tabStr = tab * tabLevel + for fi, fv in enumerate(faces_verts): + + if len(fv) == 4: + indices = (0, 1, 2), (0, 2, 3) + else: + indices = ((0, 1, 2),) + + uv = uv_layer[fi] + if len(faces_verts[fi]) == 4: + uvs = uv.uv1[:], uv.uv2[:], uv.uv3[:], uv.uv4[:] + else: + uvs = uv.uv1[:], uv.uv2[:], uv.uv3[:] + + for i1, i2, i3 in indices: + if not scene.pov.tempfiles_enable and scene.pov.list_lf_enable: + file.write(",\n") + file.write(tabStr + "<%d,%d,%d>" % ( + uniqueUVs[uvs[i1]][0],\ + uniqueUVs[uvs[i2]][0],\ + uniqueUVs[uvs[i3]][0])) + else: + file.write(", ") + file.write("<%d,%d,%d>" % ( + uniqueUVs[uvs[i1]][0],\ + uniqueUVs[uvs[i2]][0],\ + uniqueUVs[uvs[i3]][0])) + + file.write("\n") + tabWrite("}\n") + + if me.materials: + try: + material = me.materials[0] # dodgy + writeObjectMaterial(material, ob) + except IndexError: + print(me) + + #Importance for radiosity sampling added here: + tabWrite("radiosity { \n") + tabWrite("importance %3g \n" % importance) + tabWrite("}\n") + + tabWrite("}\n") # End of mesh block + + bpy.data.meshes.remove(me) + + for data_name, inst in data_ref.items(): + for ob_name, matrix_str in inst: + tabWrite("//----Blender Object Name:%s----\n" % ob_name) + tabWrite("object { \n") + tabWrite("%s\n" % data_name) + tabWrite("%s\n" % matrix_str) + tabWrite("}\n") + + def exportWorld(world): + render = scene.render + camera = scene.camera + matrix = global_matrix * camera.matrix_world + if not world: + return + #############Maurice#################################### + #These lines added to get sky gradient (visible with PNG output) + if world: + #For simple flat background: + if not world.use_sky_blend: + # Non fully transparent background could premultiply alpha and avoid anti-aliasing + # display issue: + if render.alpha_mode == 'PREMUL': + tabWrite("background {rgbt<%.3g, %.3g, %.3g, 0.75>}\n" % \ + (world.horizon_color[:])) + #Currently using no alpha with Sky option: + elif render.alpha_mode == 'SKY': + tabWrite("background {rgbt<%.3g, %.3g, %.3g, 0>}\n" % (world.horizon_color[:])) + #StraightAlpha: + else: + tabWrite("background {rgbt<%.3g, %.3g, %.3g, 1>}\n" % (world.horizon_color[:])) + + worldTexCount = 0 + #For Background image textures + for t in world.texture_slots: # risk to write several sky_spheres but maybe ok. + if t and t.texture.type is not None: + worldTexCount += 1 + # XXX No enable checkbox for world textures yet (report it?) + #if t and t.texture.type == 'IMAGE' and t.use: + if t and t.texture.type == 'IMAGE': + image_filename = path_image(t.texture.image.filepath) + if t.texture.image.filepath != image_filename: + t.texture.image.filepath = image_filename + if image_filename != "" and t.use_map_blend: + texturesBlend = image_filename + #colvalue = t.default_value + t_blend = t + + # Commented below was an idea to make the Background image oriented as camera + # taken here: +#http://news.povray.org/povray.newusers/thread/%3Cweb.4a5cddf4e9c9822ba2f93e20@news.povray.org%3E/ + # Replace 4/3 by the ratio of each image found by some custom or existing + # function + #mappingBlend = (" translate <%.4g,%.4g,%.4g> rotate z*degrees" \ + # "(atan((camLocation - camLookAt).x/(camLocation - " \ + # "camLookAt).y)) rotate x*degrees(atan((camLocation - " \ + # "camLookAt).y/(camLocation - camLookAt).z)) rotate y*" \ + # "degrees(atan((camLocation - camLookAt).z/(camLocation - " \ + # "camLookAt).x)) scale <%.4g,%.4g,%.4g>b" % \ + # (t_blend.offset.x / 10 , t_blend.offset.y / 10 , + # t_blend.offset.z / 10, t_blend.scale.x , + # t_blend.scale.y , t_blend.scale.z)) + #using camera rotation valuesdirectly from blender seems much easier + if t_blend.texture_coords == 'ANGMAP': + mappingBlend = "" + else: + mappingBlend = " translate <%.4g-0.5,%.4g-0.5,%.4g-0.5> rotate<0,0,0> " \ + "scale <%.4g,%.4g,%.4g>" % \ + (t_blend.offset.x / 10.0, t_blend.offset.y / 10.0, + t_blend.offset.z / 10.0, t_blend.scale.x * 0.85, + t_blend.scale.y * 0.85, t_blend.scale.z * 0.85) + + # The initial position and rotation of the pov camera is probably creating + # the rotation offset should look into it someday but at least background + # won't rotate with the camera now. + # Putting the map on a plane would not introduce the skysphere distortion and + # allow for better image scale matching but also some waay to chose depth and + # size of the plane relative to camera. + tabWrite("sky_sphere {\n") + tabWrite("pigment {\n") + tabWrite("image_map{%s \"%s\" %s}\n" % \ + (imageFormat(texturesBlend), texturesBlend, imgMapBG(t_blend))) + tabWrite("}\n") + tabWrite("%s\n" % (mappingBlend)) + # The following layered pigment opacifies to black over the texture for + # transmit below 1 or otherwise adds to itself + tabWrite("pigment {rgb 0 transmit %s}\n" % (t.texture.intensity)) + tabWrite("}\n") + #tabWrite("scale 2\n") + #tabWrite("translate -1\n") + + #For only Background gradient + + if worldTexCount == 0: + if world.use_sky_blend: + tabWrite("sky_sphere {\n") + tabWrite("pigment {\n") + # maybe Should follow the advice of POV doc about replacing gradient + # for skysphere..5.5 + tabWrite("gradient y\n") + tabWrite("color_map {\n") + if render.alpha_mode == 'STRAIGHT': + tabWrite("[0.0 rgbt<%.3g, %.3g, %.3g, 1>]\n" % (world.horizon_color[:])) + tabWrite("[1.0 rgbt<%.3g, %.3g, %.3g, 1>]\n" % (world.zenith_color[:])) + elif render.alpha_mode == 'PREMUL': + tabWrite("[0.0 rgbt<%.3g, %.3g, %.3g, 0.99>]\n" % (world.horizon_color[:])) + # aa premult not solved with transmit 1 + tabWrite("[1.0 rgbt<%.3g, %.3g, %.3g, 0.99>]\n" % (world.zenith_color[:])) + else: + tabWrite("[0.0 rgbt<%.3g, %.3g, %.3g, 0>]\n" % (world.horizon_color[:])) + tabWrite("[1.0 rgbt<%.3g, %.3g, %.3g, 0>]\n" % (world.zenith_color[:])) + tabWrite("}\n") + tabWrite("}\n") + tabWrite("}\n") + # Sky_sphere alpha (transmit) is not translating into image alpha the same + # way as 'background' + + #if world.light_settings.use_indirect_light: + # scene.pov.radio_enable=1 + + # Maybe change the above to a funtion copyInternalRenderer settings when + # user pushes a button, then: + #scene.pov.radio_enable = world.light_settings.use_indirect_light + # and other such translations but maybe this would not be allowed either? + + ############################################################### + + mist = world.mist_settings + + if mist.use_mist: + tabWrite("fog {\n") + tabWrite("distance %.6f\n" % mist.depth) + tabWrite("color rgbt<%.3g, %.3g, %.3g, %.3g>\n" % \ + (world.horizon_color[:] + (1.0 - mist.intensity,))) + #tabWrite("fog_offset %.6f\n" % mist.start) + #tabWrite("fog_alt 5\n") + #tabWrite("turbulence 0.2\n") + #tabWrite("turb_depth 0.3\n") + tabWrite("fog_type 1\n") + tabWrite("}\n") + if scene.pov.media_enable: + tabWrite("media {\n") + tabWrite("scattering { 1, rgb <%.4g, %.4g, %.4g>}\n" % scene.pov.media_color[:]) + tabWrite("samples %.d\n" % scene.pov.media_samples) + tabWrite("}\n") + + def exportGlobalSettings(scene): + + tabWrite("global_settings {\n") + tabWrite("assumed_gamma 1.0\n") + tabWrite("max_trace_level %d\n" % scene.pov.max_trace_level) + + if scene.pov.radio_enable: + tabWrite("radiosity {\n") + tabWrite("adc_bailout %.4g\n" % scene.pov.radio_adc_bailout) + tabWrite("always_sample %d\n" % scene.pov.radio_always_sample) + tabWrite("brightness %.4g\n" % scene.pov.radio_brightness) + tabWrite("count %d\n" % scene.pov.radio_count) + tabWrite("error_bound %.4g\n" % scene.pov.radio_error_bound) + tabWrite("gray_threshold %.4g\n" % scene.pov.radio_gray_threshold) + tabWrite("low_error_factor %.4g\n" % scene.pov.radio_low_error_factor) + tabWrite("media %d\n" % scene.pov.radio_media) + tabWrite("minimum_reuse %.4g\n" % scene.pov.radio_minimum_reuse) + tabWrite("nearest_count %d\n" % scene.pov.radio_nearest_count) + tabWrite("normal %d\n" % scene.pov.radio_normal) + tabWrite("pretrace_start %.3g\n" % scene.pov.radio_pretrace_start) + tabWrite("pretrace_end %.3g\n" % scene.pov.radio_pretrace_end) + tabWrite("recursion_limit %d\n" % scene.pov.radio_recursion_limit) + tabWrite("}\n") + onceSss = 1 + onceAmbient = 1 + oncePhotons = 1 + for material in bpy.data.materials: + if material.subsurface_scattering.use and onceSss: + # In pov, the scale has reversed influence compared to blender. these number + # should correct that + tabWrite("mm_per_unit %.6f\n" % \ + (material.subsurface_scattering.scale * (-100.0) + 15.0)) + # In POV-Ray, the scale factor for all subsurface shaders needs to be the same + onceSss = 0 + + if world and onceAmbient: + tabWrite("ambient_light rgb<%.3g, %.3g, %.3g>\n" % world.ambient_color[:]) + onceAmbient = 0 + + if (material.pov.photons_refraction or material.pov.photons_reflection)and oncePhotons: + tabWrite("photons {\n") + tabWrite("spacing %.6f\n" % scene.pov.photon_spacing) + tabWrite("max_trace_level %d\n" % scene.pov.photon_max_trace_level) + tabWrite("adc_bailout %.3g\n" % scene.pov.photon_adc_bailout) + tabWrite("gather %d, %d\n" % (scene.pov.photon_gather_min, scene.pov.photon_gather_max)) + tabWrite("}\n") + oncePhotons = 0 + + tabWrite("}\n") + + def exportCustomCode(): + + for txt in bpy.data.texts: + if txt.pov.custom_code: + # Why are the newlines needed? + file.write("\n") + file.write(txt.as_string()) + file.write("\n") + + sel = renderable_objects(scene) + comments = scene.pov.comments_enable + if not scene.pov.tempfiles_enable and comments: + file.write("//----------------------------------------------\n" \ + "//--Exported with POV-Ray exporter for Blender--\n" \ + "//----------------------------------------------\n\n") + file.write("#version 3.7;\n") + + if not scene.pov.tempfiles_enable and comments: + file.write("\n//--CUSTOM CODE--\n\n") + exportCustomCode() + + if not scene.pov.tempfiles_enable and comments: + file.write("\n//--Global settings and background--\n\n") + + exportGlobalSettings(scene) + + if not scene.pov.tempfiles_enable and comments: + file.write("\n") + + exportWorld(scene.world) + + if not scene.pov.tempfiles_enable and comments: + file.write("\n//--Cameras--\n\n") + + exportCamera() + + if not scene.pov.tempfiles_enable and comments: + file.write("\n//--Lamps--\n\n") + + exportLamps([l for l in sel if l.type == 'LAMP']) + + if not scene.pov.tempfiles_enable and comments: + file.write("\n//--Material Definitions--\n\n") + + # Convert all materials to strings we can access directly per vertex. + #exportMaterials() + writeMaterial(None) # default material + for material in bpy.data.materials: + if material.users > 0: + writeMaterial(material) + if not scene.pov.tempfiles_enable and comments: + file.write("\n") + + exportMeta([l for l in sel if l.type == 'META']) + + if not scene.pov.tempfiles_enable and comments: + file.write("//--Mesh objects--\n") + + exportMeshes(scene, sel) + #What follow used to happen here: + #exportCamera() + #exportWorld(scene.world) + #exportGlobalSettings(scene) + # MR:..and the order was important for an attempt to implement pov 3.7 baking + # (mesh camera) comment for the record + # CR: Baking should be a special case than. If "baking", than we could change the order. + + #print("pov file closed %s" % file.closed) + file.close() + #print("pov file closed %s" % file.closed) + + +def write_pov_ini(scene, filename_ini, filename_pov, filename_image): + #scene = bpy.data.scenes[0] + render = scene.render + + x = int(render.resolution_x * render.resolution_percentage * 0.01) + y = int(render.resolution_y * render.resolution_percentage * 0.01) + + file = open(filename_ini, "w") + file.write("Version=3.7\n") + file.write("Input_File_Name='%s'\n" % filename_pov) + file.write("Output_File_Name='%s'\n" % filename_image) + + file.write("Width=%d\n" % x) + file.write("Height=%d\n" % y) + + # Border render. + if render.use_border: + file.write("Start_Column=%4g\n" % render.border_min_x) + file.write("End_Column=%4g\n" % (render.border_max_x)) + + file.write("Start_Row=%4g\n" % (1.0 - render.border_max_y)) + file.write("End_Row=%4g\n" % (1.0 - render.border_min_y)) + + file.write("Bounding_Method=2\n") # The new automatic BSP is faster in most scenes + + # Activated (turn this back off when better live exchange is done between the two programs + # (see next comment) + file.write("Display=1\n") + file.write("Pause_When_Done=0\n") + # PNG, with POV-Ray 3.7, can show background color with alpha. In the long run using the + # POV-Ray interactive preview like bishop 3D could solve the preview for all formats. + file.write("Output_File_Type=N\n") + #file.write("Output_File_Type=T\n") # TGA, best progressive loading + file.write("Output_Alpha=1\n") + + if scene.pov.antialias_enable: + # method 2 (recursive) with higher max subdiv forced because no mipmapping in POV-Ray + # needs higher sampling. + # aa_mapping = {"5": 2, "8": 3, "11": 4, "16": 5} + method = {"0": 1, "1": 2} + file.write("Antialias=on\n") + file.write("Sampling_Method=%s\n" % method[scene.pov.antialias_method]) + file.write("Antialias_Depth=%d\n" % scene.pov.antialias_depth) + file.write("Antialias_Threshold=%.3g\n" % scene.pov.antialias_threshold) + file.write("Antialias_Gamma=%.3g\n" % scene.pov.antialias_gamma) + if scene.pov.jitter_enable: + file.write("Jitter=on\n") + file.write("Jitter_Amount=%3g\n" % scene.pov.jitter_amount) + else: + file.write("Jitter=off\n") # prevent animation flicker + + else: + file.write("Antialias=off\n") + #print("ini file closed %s" % file.closed) + file.close() + #print("ini file closed %s" % file.closed) + + +class PovrayRender(bpy.types.RenderEngine): + bl_idname = 'POVRAY_RENDER' + bl_label = "POV-Ray 3.7" + DELAY = 0.5 + + def _export(self, scene, povPath, renderImagePath): + import tempfile + + if scene.pov.tempfiles_enable: + self._temp_file_in = tempfile.NamedTemporaryFile(suffix=".pov", delete=False).name + # PNG with POV 3.7, can show the background color with alpha. In the long run using the + # POV-Ray interactive preview like bishop 3D could solve the preview for all formats. + self._temp_file_out = tempfile.NamedTemporaryFile(suffix=".png", delete=False).name + #self._temp_file_out = tempfile.NamedTemporaryFile(suffix=".tga", delete=False).name + self._temp_file_ini = tempfile.NamedTemporaryFile(suffix=".ini", delete=False).name + else: + self._temp_file_in = povPath + ".pov" + # PNG with POV 3.7, can show the background color with alpha. In the long run using the + # POV-Ray interactive preview like bishop 3D could solve the preview for all formats. + self._temp_file_out = renderImagePath + ".png" + #self._temp_file_out = renderImagePath + ".tga" + self._temp_file_ini = povPath + ".ini" + ''' + self._temp_file_in = "/test.pov" + # PNG with POV 3.7, can show the background color with alpha. In the long run using the + # POV-Ray interactive preview like bishop 3D could solve the preview for all formats. + self._temp_file_out = "/test.png" + #self._temp_file_out = "/test.tga" + self._temp_file_ini = "/test.ini" + ''' + + def info_callback(txt): + self.update_stats("", "POV-Ray 3.7: " + txt) + + write_pov(self._temp_file_in, scene, info_callback) + + def _render(self, scene): + + try: + os.remove(self._temp_file_out) # so as not to load the old file + except OSError: + pass + + write_pov_ini(scene, self._temp_file_ini, self._temp_file_in, self._temp_file_out) + + print ("***-STARTING-***") + + pov_binary = "povray" + + extra_args = [] + + if scene.pov.command_line_switches != "": + for newArg in scene.pov.command_line_switches.split(" "): + extra_args.append(newArg) + + self._is_windows = False + if sys.platform[:3] == "win": + self._is_windows = True + #extra_args.append("/EXIT") + + import winreg + import platform as pltfrm + if pltfrm.architecture()[0] == "64bit": + bitness = 64 + else: + bitness = 32 + + regKey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, "Software\\POV-Ray\\v3.7\\Windows") + + # TODO, report api + + # 64 bits blender + if bitness == 64: + try: + pov_binary = winreg.QueryValueEx(regKey, "Home")[0] + "\\bin\\pvengine64" + self._process = subprocess.Popen( + [pov_binary, self._temp_file_ini] + extra_args, + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + # This would work too but means we have to wait until its done: + # os.system("%s %s" % (pov_binary, self._temp_file_ini)) + + except OSError: + # someone might run povray 32 bits on a 64 bits blender machine + try: + pov_binary = winreg.QueryValueEx(regKey, "Home")[0] + "\\bin\\pvengine" + self._process = subprocess.Popen( + [pov_binary, self._temp_file_ini] + extra_args, + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + + except OSError: + # TODO, report api + print("POV-Ray 3.7: could not execute '%s', possibly POV-Ray isn't " \ + "installed" % pov_binary) + import traceback + traceback.print_exc() + print ("***-DONE-***") + return False + + else: + print("POV-Ray 3.7 64 bits could not execute, running 32 bits instead") + print("Command line arguments passed: " + str(extra_args)) + return True + + else: + print("POV-Ray 3.7 64 bits found") + print("Command line arguments passed: " + str(extra_args)) + return True + + #32 bits blender + else: + try: + pov_binary = winreg.QueryValueEx(regKey, "Home")[0] + "\\bin\\pvengine" + self._process = subprocess.Popen( + [pov_binary, self._temp_file_ini] + extra_args, + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + + # someone might also run povray 64 bits with a 32 bits build of blender. + except OSError: + try: + pov_binary = winreg.QueryValueEx(regKey, "Home")[0] + "\\bin\\pvengine64" + self._process = subprocess.Popen( + [pov_binary, self._temp_file_ini] + extra_args, + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + + except OSError: + # TODO, report api + print("POV-Ray 3.7: could not execute '%s', possibly POV-Ray isn't " \ + "installed" % pov_binary) + import traceback + traceback.print_exc() + print ("***-DONE-***") + return False + + else: + print("Running POV-Ray 3.7 64 bits build with 32 bits Blender,\n" \ + "You might want to run Blender 64 bits as well.") + print("Command line arguments passed: " + str(extra_args)) + return True + + else: + print("POV-Ray 3.7 32 bits found") + print("Command line arguments passed: " + str(extra_args)) + return True + + else: + # DH - added -d option to prevent render window popup which leads to segfault on linux + extra_args.append("-d") + + isExists = False + sysPathList = os.getenv("PATH").split(':') + sysPathList.append("") + + for dirName in sysPathList: + if (os.path.exists(os.path.join(dirName, pov_binary))): + isExists = True + break + + if not isExists: + print("POV-Ray 3.7: could not found execute '%s' - not if PATH" % pov_binary) + import traceback + traceback.print_exc() + print ("***-DONE-***") + return False + + try: + self._process = subprocess.Popen([pov_binary, self._temp_file_ini] + extra_args, + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + + except OSError: + # TODO, report api + print("POV-Ray 3.7: could not execute '%s'" % pov_binary) + import traceback + traceback.print_exc() + print ("***-DONE-***") + return False + + else: + print("POV-Ray 3.7 found") + print("Command line arguments passed: " + str(extra_args)) + return True + + # Now that we have a valid process + + def _cleanup(self): + for f in (self._temp_file_in, self._temp_file_ini, self._temp_file_out): + for i in range(5): + try: + os.unlink(f) + break + except OSError: + # Wait a bit before retrying file might be still in use by Blender, + # and Windows does not know how to delete a file in use! + time.sleep(self.DELAY) + + def render(self, scene): + import tempfile + + print("***INITIALIZING***") + +##WIP output format +## if r.file_format == 'OPENEXR': +## fformat = 'EXR' +## render.color_mode = 'RGBA' +## else: +## fformat = 'TGA' +## r.file_format = 'TARGA' +## r.color_mode = 'RGBA' + + blendSceneName = bpy.data.filepath.split(os.path.sep)[-1].split(".")[0] + povSceneName = "" + povPath = "" + renderImagePath = "" + + # has to be called to update the frame on exporting animations + scene.frame_set(scene.frame_current) + + if not scene.pov.tempfiles_enable: + + # check paths + povPath = bpy.path.abspath(scene.pov.scene_path).replace('\\', '/') + if povPath == "": + if bpy.path.abspath("//") != "": + povPath = bpy.path.abspath("//") + else: + povPath = tempfile.gettempdir() + elif povPath.endswith("/"): + if povPath == "/": + povPath = bpy.path.abspath("//") + else: + povPath = bpy.path.abspath(scene.pov.scene_path) + + if not os.path.exists(povPath): + try: + os.makedirs(povPath) + except: + import traceback + traceback.print_exc() + + print("POV-Ray 3.7: Cannot create scenes directory: %r" % povPath) + self.update_stats("", "POV-Ray 3.7: Cannot create scenes directory %r" % \ + povPath) + time.sleep(2.0) + return + + ''' + # Bug in POV-Ray RC3 + renderImagePath = bpy.path.abspath(scene.pov.renderimage_path).replace('\\','/') + if renderImagePath == "": + if bpy.path.abspath("//") != "": + renderImagePath = bpy.path.abspath("//") + else: + renderImagePath = tempfile.gettempdir() + #print("Path: " + renderImagePath) + elif path.endswith("/"): + if renderImagePath == "/": + renderImagePath = bpy.path.abspath("//") + else: + renderImagePath = bpy.path.abspath(scene.pov.renderimage_path) + if not os.path.exists(path): + print("POV-Ray 3.7: Cannot find render image directory") + self.update_stats("", "POV-Ray 3.7: Cannot find render image directory") + time.sleep(2.0) + return + ''' + + # check name + if scene.pov.scene_name == "": + if blendSceneName != "": + povSceneName = blendSceneName + else: + povSceneName = "untitled" + else: + povSceneName = scene.pov.scene_name + if os.path.isfile(povSceneName): + povSceneName = os.path.basename(povSceneName) + povSceneName = povSceneName.split('/')[-1].split('\\')[-1] + if not povSceneName: + print("POV-Ray 3.7: Invalid scene name") + self.update_stats("", "POV-Ray 3.7: Invalid scene name") + time.sleep(2.0) + return + povSceneName = os.path.splitext(povSceneName)[0] + + print("Scene name: " + povSceneName) + print("Export path: " + povPath) + povPath = os.path.join(povPath, povSceneName) + povPath = os.path.realpath(povPath) + + # for now this has to be the same like the pov output. Bug in POV-Ray RC3. + # renderImagePath = renderImagePath + "\\" + povSceneName + renderImagePath = povPath # Bugfix for POV-Ray RC3 bug + # renderImagePath = os.path.realpath(renderImagePath) # Bugfix for POV-Ray RC3 bug + + #print("Export path: %s" % povPath) + #print("Render Image path: %s" % renderImagePath) + + # start export + self.update_stats("", "POV-Ray 3.7: Exporting data from Blender") + self._export(scene, povPath, renderImagePath) + self.update_stats("", "POV-Ray 3.7: Parsing File") + + if not self._render(scene): + self.update_stats("", "POV-Ray 3.7: Not found") + return + + r = scene.render + # compute resolution + x = int(r.resolution_x * r.resolution_percentage * 0.01) + y = int(r.resolution_y * r.resolution_percentage * 0.01) + + # This makes some tests on the render, returning True if all goes good, and False if + # it was finished one way or the other. + # It also pauses the script (time.sleep()) + def _test_wait(): + time.sleep(self.DELAY) + + # User interrupts the rendering + if self.test_break(): + try: + self._process.terminate() + print("***POV INTERRUPTED***") + except OSError: + pass + return False + + poll_result = self._process.poll() + # POV process is finisehd, one way or the other + if poll_result is not None: + if poll_result < 0: + print("***POV PROCESS FAILED : %s ***" % poll_result) + self.update_stats("", "POV-Ray 3.7: Failed") + return False + + return True + + # Wait for the file to be created + # XXX This is no more valid, as 3.7 always creates output file once render is finished! + parsing = re.compile(br"= \[Parsing\.\.\.\] =") + rendering = re.compile(br"= \[Rendering\.\.\.\] =") + percent = re.compile(r"\(([0-9]{1,3})%\)") + # print("***POV WAITING FOR FILE***") + + data = b"" + last_line = "" + while _test_wait(): + # POV in Windows does not output its stdout/stderr, it displays them in its GUI + if self._is_windows: + self.update_stats("", "POV-Ray 3.7: Rendering File") + else: + t_data = self._process.stdout.read(10000) + if not t_data: + continue + + data += t_data + # XXX This is working for UNIX, not sure whether it might need adjustments for + # other OSs + # First replace is for windows + t_data = str(t_data).replace('\\r\\n', '\\n').replace('\\r', '\r') + lines = t_data.split('\\n') + last_line += lines[0] + lines[0] = last_line + print('\n'.join(lines), end="") + last_line = lines[-1] + + if rendering.search(data): + _pov_rendering = True + match = percent.findall(str(data)) + if match: + self.update_stats("", "POV-Ray 3.7: Rendering File (%s%%)" % match[-1]) + else: + self.update_stats("", "POV-Ray 3.7: Rendering File") + + elif parsing.search(data): + self.update_stats("", "POV-Ray 3.7: Parsing File") + + if os.path.exists(self._temp_file_out): + # print("***POV FILE OK***") + #self.update_stats("", "POV-Ray 3.7: Rendering") + + # prev_size = -1 + + xmin = int(r.border_min_x * x) + ymin = int(r.border_min_y * y) + xmax = int(r.border_max_x * x) + ymax = int(r.border_max_y * y) + + # print("***POV UPDATING IMAGE***") + result = self.begin_result(0, 0, x, y) + # XXX, tests for border render. + #result = self.begin_result(xmin, ymin, xmax - xmin, ymax - ymin) + #result = self.begin_result(0, 0, xmax - xmin, ymax - ymin) + lay = result.layers[0] + + # This assumes the file has been fully written We wait a bit, just in case! + time.sleep(self.DELAY) + try: + lay.load_from_file(self._temp_file_out) + # XXX, tests for border render. + #lay.load_from_file(self._temp_file_out, xmin, ymin) + except RuntimeError: + print("***POV ERROR WHILE READING OUTPUT FILE***") + + # Not needed right now, might only be useful if we find a way to use temp raw output of + # pov 3.7 (in which case it might go under _test_wait()). +# def update_image(): +# # possible the image wont load early on. +# try: +# lay.load_from_file(self._temp_file_out) +# # XXX, tests for border render. +# #lay.load_from_file(self._temp_file_out, xmin, ymin) +# #lay.load_from_file(self._temp_file_out, xmin, ymin) +# except RuntimeError: +# pass + +# # Update while POV-Ray renders +# while True: +# # print("***POV RENDER LOOP***") + +# # test if POV-Ray exists +# if self._process.poll() is not None: +# print("***POV PROCESS FINISHED***") +# update_image() +# break + +# # user exit +# if self.test_break(): +# try: +# self._process.terminate() +# print("***POV PROCESS INTERRUPTED***") +# except OSError: +# pass + +# break + +# # Would be nice to redirect the output +# # stdout_value, stderr_value = self._process.communicate() # locks + +# # check if the file updated +# new_size = os.path.getsize(self._temp_file_out) + +# if new_size != prev_size: +# update_image() +# prev_size = new_size + +# time.sleep(self.DELAY) + + self.end_result(result) + + else: + print("***POV FILE NOT FOUND***") + + print("***POV FINISHED***") + + self.update_stats("", "") + + if scene.pov.tempfiles_enable or scene.pov.deletefiles_enable: + self._cleanup() |