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diff --git a/render_povray/model_all.py b/render_povray/model_all.py
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+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# <pep8 compliant>
+
+"""Translate to POV the control point compound geometries.
+
+Such as polygon meshes or curve based shapes.
+"""
+
+# --------
+# -- Faster mesh export ...one day
+# import numpy as np
+# --------
+import bpy
+from . import texturing # for how textures influence shaders
+from . import model_poly_topology
+# from .texturing import local_material_names
+from .scenography import export_smoke
+
+
+def matrix_as_pov_string(matrix):
+ """Translate some transform matrix from Blender UI
+ to POV syntax and return that string"""
+ return (
+ "matrix <"
+ "%.6f, %.6f, %.6f, "
+ "%.6f, %.6f, %.6f, "
+ "%.6f, %.6f, %.6f, "
+ "%.6f, %.6f, %.6f"
+ ">\n"
+ % (
+ matrix[0][0],
+ matrix[1][0],
+ matrix[2][0],
+ matrix[0][1],
+ matrix[1][1],
+ matrix[2][1],
+ matrix[0][2],
+ matrix[1][2],
+ matrix[2][2],
+ matrix[0][3],
+ matrix[1][3],
+ matrix[2][3],
+ )
+ )
+
+# objectNames = {}
+DEF_OBJ_NAME = "Default"
+
+
+def objects_loop(
+ file,
+ scene,
+ sel,
+ csg,
+ material_names_dictionary,
+ unpacked_images,
+ tab_level,
+ tab_write,
+ info_callback,
+):
+ # global preview_dir
+ # global smoke_path
+ # global global_matrix
+ # global comments
+
+ # global tab
+ """write all meshes as POV mesh2{} syntax to exported file"""
+ # # some numpy functions to speed up mesh export NOT IN USE YET
+ # # Current 2.93 beta numpy linking has troubles so definitions commented off for now
+
+ # # TODO: also write a numpy function to read matrices at object level?
+ # # feed below with mesh object.data, but only after doing data.calc_loop_triangles()
+ # def read_verts_co(self, mesh):
+ # #'float64' would be a slower 64-bit floating-point number numpy datatype
+ # # using 'float32' vert coordinates for now until any issue is reported
+ # mverts_co = np.zeros((len(mesh.vertices) * 3), dtype=np.float32)
+ # mesh.vertices.foreach_get("co", mverts_co)
+ # return np.reshape(mverts_co, (len(mesh.vertices), 3))
+
+ # def read_verts_idx(self, mesh):
+ # mverts_idx = np.zeros((len(mesh.vertices)), dtype=np.int64)
+ # mesh.vertices.foreach_get("index", mverts_idx)
+ # return np.reshape(mverts_idx, (len(mesh.vertices), 1))
+
+ # def read_verts_norms(self, mesh):
+ # #'float64' would be a slower 64-bit floating-point number numpy datatype
+ # # using less accurate 'float16' normals for now until any issue is reported
+ # mverts_no = np.zeros((len(mesh.vertices) * 3), dtype=np.float16)
+ # mesh.vertices.foreach_get("normal", mverts_no)
+ # return np.reshape(mverts_no, (len(mesh.vertices), 3))
+
+ # def read_faces_idx(self, mesh):
+ # mfaces_idx = np.zeros((len(mesh.loop_triangles)), dtype=np.int64)
+ # mesh.loop_triangles.foreach_get("index", mfaces_idx)
+ # return np.reshape(mfaces_idx, (len(mesh.loop_triangles), 1))
+
+ # def read_faces_verts_indices(self, mesh):
+ # mfaces_verts_idx = np.zeros((len(mesh.loop_triangles) * 3), dtype=np.int64)
+ # mesh.loop_triangles.foreach_get("vertices", mfaces_verts_idx)
+ # return np.reshape(mfaces_verts_idx, (len(mesh.loop_triangles), 3))
+
+ # # Why is below different from vertex indices?
+ # def read_faces_verts_loops(self, mesh):
+ # mfaces_verts_loops = np.zeros((len(mesh.loop_triangles) * 3), dtype=np.int64)
+ # mesh.loop_triangles.foreach_get("loops", mfaces_verts_loops)
+ # return np.reshape(mfaces_verts_loops, (len(mesh.loop_triangles), 3))
+
+ # def read_faces_norms(self, mesh):
+ # #'float64' would be a slower 64-bit floating-point number numpy datatype
+ # # using less accurate 'float16' normals for now until any issue is reported
+ # mfaces_no = np.zeros((len(mesh.loop_triangles) * 3), dtype=np.float16)
+ # mesh.loop_triangles.foreach_get("normal", mfaces_no)
+ # return np.reshape(mfaces_no, (len(mesh.loop_triangles), 3))
+
+ # def read_faces_smooth(self, mesh):
+ # mfaces_smth = np.zeros((len(mesh.loop_triangles) * 1), dtype=np.bool)
+ # mesh.loop_triangles.foreach_get("use_smooth", mfaces_smth)
+ # return np.reshape(mfaces_smth, (len(mesh.loop_triangles), 1))
+
+ # def read_faces_material_indices(self, mesh):
+ # mfaces_mats_idx = np.zeros((len(mesh.loop_triangles)), dtype=np.int16)
+ # mesh.loop_triangles.foreach_get("material_index", mfaces_mats_idx)
+ # return np.reshape(mfaces_mats_idx, (len(mesh.loop_triangles), 1))
+
+ # obmatslist = []
+ # def hasUniqueMaterial():
+ # # Grab materials attached to object instances ...
+ # if hasattr(obj, 'material_slots'):
+ # for ms in obj.material_slots:
+ # if ms.material is not None and ms.link == 'OBJECT':
+ # if ms.material in obmatslist:
+ # return False
+ # else:
+ # obmatslist.append(ms.material)
+ # return True
+ # def hasObjectMaterial(obj):
+ # # Grab materials attached to object instances ...
+ # if hasattr(obj, 'material_slots'):
+ # for ms in obj.material_slots:
+ # if ms.material is not 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, material_names_dictionary, ...),
+ # 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.
+ from .render import (
+ string_strip_hyphen,
+ global_matrix,
+ tab,
+ comments,
+ )
+ from .render_core import (
+ preview_dir,
+ smoke_path,
+ )
+ from .model_primitives import write_object_modifiers
+ from .shading import write_object_material_interior
+ from .scenography import image_format, img_map, img_map_transforms
+
+ linebreaksinlists = scene.pov.list_lf_enable and not scene.pov.tempfiles_enable
+ obmats2data = {}
+
+
+ def check_object_materials(obj, obj_name, dataname):
+ """Compare other objects exported material slots to avoid rewriting duplicates"""
+ if hasattr(obj, "material_slots"):
+ has_local_mats = False
+ key = [dataname]
+ for ms in obj.material_slots:
+ if ms.material is not 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] = obj_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, matrix_as_pov_string(matrix))]
+ return name
+ # Here, we replace dataname by the value returned by check_object_materials, only if
+ # it is not evaluated to False (i.e. only if the object uses some local material(s)).
+ dataname = check_object_materials(ob, name, dataname) or dataname
+ if dataname in data_ref:
+ # Data already known, just add the object instance.
+ data_ref[dataname].append((name, matrix_as_pov_string(matrix)))
+ # No need to write data
+ return None
+ # Else (no return yet): Data not yet processed, create a new entry in data_ref.
+ data_ref[dataname] = [(name, matrix_as_pov_string(matrix))]
+ return dataname
+
+ ob_num = 0
+ depsgraph = bpy.context.evaluated_depsgraph_get()
+ for ob in sel:
+ # Using depsgraph
+ ob = bpy.data.objects[ob.name].evaluated_get(depsgraph)
+
+ # subtract original from the count of their instances as were not counted before 2.8
+ if (ob.is_instancer and ob.original != ob):
+ continue
+
+ 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 {
+ "LIGHT",
+ "CAMERA", # 'EMPTY', #empties can bear dupligroups
+ "META",
+ "ARMATURE",
+ "LATTICE",
+ }:
+ continue
+ fluid_found = False
+ for mod in ob.modifiers:
+ if mod and hasattr(mod, "fluid_type"):
+ fluid_found = True
+ if mod.fluid_type == "DOMAIN":
+ if mod.domain_settings.domain_type == "GAS":
+ export_smoke(file, ob.name, smoke_path, comments, global_matrix)
+ break # don't render domain mesh, skip to next object.
+ if mod.fluid_type == "FLOW": # The domain contains all the smoke. so that's it.
+ if mod.flow_settings.flow_type == "SMOKE": # Check how liquids behave
+ break # don't render smoke flow emitter mesh either, skip to next object.
+ if fluid_found:
+ return
+ # No fluid found
+ if hasattr(ob, "particle_systems"):
+ # Importing function Export Hair
+ # here rather than at the top recommended for addons startup footprint
+ from .particles import export_hair
+
+ for p_sys in ob.particle_systems:
+ for particle_mod in [
+ m
+ for m in ob.modifiers
+ if (m is not None) and (m.type == "PARTICLE_SYSTEM")
+ ]:
+ if (
+ (p_sys.settings.render_type == "PATH")
+ and particle_mod.show_render
+ and (p_sys.name == particle_mod.particle_system.name)
+ ):
+ export_hair(file, ob, particle_mod, p_sys, global_matrix)
+ if not ob.show_instancer_for_render:
+ continue # don't render emitter mesh, skip to next object.
+
+ # ------------------------------------------------
+ # 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
+ # EMPTY type objects treated a little further below -- MR
+
+ # modified elif to if below as non EMPTY objects can also be instancers
+ if ob.is_instancer:
+ if ob.instance_type == "COLLECTION":
+ name_orig = "OB" + ob.name
+ dataname_orig = "DATA" + ob.instance_collection.name
+ else:
+ # hoping only dupligroups have several source datablocks
+ # ob_dupli_list_create(scene) #deprecated in 2.8
+ for eachduplicate in depsgraph.object_instances:
+ # Real dupli instance filtered because
+ # original included in list since 2.8
+ if eachduplicate.is_instance:
+ dataname_orig = "DATA" + eachduplicate.object.name
+ # obj.dupli_list_clear() #just don't store any reference to instance since 2.8
+ elif ob.data: # not an EMPTY type object
+ name_orig = "OB" + ob.name
+ dataname_orig = "DATA" + ob.data.name
+ elif ob.type == "EMPTY":
+ name_orig = "OB" + ob.name
+ dataname_orig = "DATA" + ob.name
+ else:
+ name_orig = DEF_OBJ_NAME
+ dataname_orig = DEF_OBJ_NAME
+ name = string_strip_hyphen(bpy.path.clean_name(name_orig))
+ dataname = string_strip_hyphen(bpy.path.clean_name(dataname_orig))
+ # for slot in obj.material_slots:
+ # if slot.material is not 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))
+
+ 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 of " + name)
+ continue
+
+ print("Writing Down First Occurrence of " + name)
+
+ # ------------ Mesh Primitives ------------ #
+ # special export_curves() function takes care of writing
+ # lathe, sphere_sweep, birail, and loft except with modifiers
+ # converted to mesh
+ if not ob.is_modified(scene, "RENDER"):
+ if ob.type == "CURVE" and (
+ ob.pov.curveshape in {"lathe", "sphere_sweep", "loft"}
+ ):
+ continue # Don't render proxy mesh, skip to next object
+ # pov_mat_name = "Default_texture" # Not used...remove?
+
+ # Implicit else-if (as not skipped by previous "continue")
+ # which itself has no "continue" (to combine custom pov code)?, so Keep this last.
+ # For originals, but not their instances, attempt to export mesh:
+ if not ob.is_instancer:
+ # except duplis which should be instances groups for now but all duplis later
+ if ob.type == "EMPTY":
+ # XXX Should we only write this once and instantiate the same for every
+ # empty in the final matrix writing, or even no matrix and just a comment
+ # with empty object transforms ?
+ tab_write(file, "\n//dummy sphere to represent Empty location\n")
+ tab_write(
+ file,
+ "#declare %s =sphere {<0, 0, 0>,0 pigment{rgbt 1} no_image no_reflection no_radiosity photons{pass_through collect off} hollow}\n"
+ % povdataname,
+ )
+ continue # Don't render empty object but this is later addition, watch it.
+ if mesh_eval_exported := model_poly_topology.export_mesh(file, ob, povdataname,
+ material_names_dictionary,
+ unpacked_images,
+ tab_level, tab_write, linebreaksinlists):
+ pass # XXX Caution pass may write both proxy mesh and primitive, so propagate a test
+ # for non mesh_eval_exported or switch back other primitives before meshes
+ else:
+ continue
+
+ # ------------ Povray Primitives ------------ #
+ # Also implicit elif (continue) clauses and sorted after mesh
+ # as less often used.
+ if ob.pov.object_as == "PLANE":
+ tab_write(file, "#declare %s = plane{ <0,0,1>,0\n" % povdataname)
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ # tab_write(file, "rotate x*90\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "SPHERE":
+
+ tab_write(
+ file,
+ "#declare %s = sphere { 0,%6f\n" % (povdataname, ob.pov.sphere_radius),
+ )
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ # tab_write(file, "rotate x*90\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "BOX":
+ tab_write(file, "#declare %s = box { -1,1\n" % povdataname)
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ # tab_write(file, "rotate x*90\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "CONE":
+ br = ob.pov.cone_base_radius
+ cr = ob.pov.cone_cap_radius
+ bz = ob.pov.cone_base_z
+ cz = ob.pov.cone_cap_z
+ tab_write(
+ file,
+ "#declare %s = cone { <0,0,%.4f>,%.4f,<0,0,%.4f>,%.4f\n"
+ % (povdataname, bz, br, cz, cr),
+ )
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ # tab_write(file, "rotate x*90\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "CYLINDER":
+ r = ob.pov.cylinder_radius
+ x2 = ob.pov.cylinder_location_cap[0]
+ y2 = ob.pov.cylinder_location_cap[1]
+ z2 = ob.pov.cylinder_location_cap[2]
+ tab_write(
+ file,
+ "#declare %s = cylinder { <0,0,0>,<%6f,%6f,%6f>,%6f\n"
+ % (povdataname, x2, y2, z2, r),
+ )
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ # cylinders written at origin, translated below
+ write_object_modifiers(ob, file)
+ # tab_write(file, "rotate x*90\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "HEIGHT_FIELD":
+ data = ""
+ filename = ob.pov.hf_filename
+ data += '"%s"' % filename
+ gamma = " gamma %.4f" % ob.pov.hf_gamma
+ data += gamma
+ if ob.pov.hf_premultiplied:
+ data += " premultiplied on"
+ if ob.pov.hf_smooth:
+ data += " smooth"
+ if ob.pov.hf_water > 0:
+ data += " water_level %.4f" % ob.pov.hf_water
+ # hierarchy = obj.pov.hf_hierarchy
+ tab_write(file, "#declare %s = height_field { %s\n" % (povdataname, data))
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ tab_write(file, "rotate x*90\n")
+ tab_write(file, "translate <-0.5,0.5,0>\n")
+ tab_write(file, "scale <0,-1,0>\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "TORUS":
+ tab_write(
+ file,
+ "#declare %s = torus { %.4f,%.4f\n"
+ % (
+ povdataname,
+ ob.pov.torus_major_radius,
+ ob.pov.torus_minor_radius,
+ ),
+ )
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ tab_write(file, "rotate x*90\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "PARAMETRIC":
+ tab_write(file, "#declare %s = parametric {\n" % povdataname)
+ tab_write(file, "function { %s }\n" % ob.pov.x_eq)
+ tab_write(file, "function { %s }\n" % ob.pov.y_eq)
+ tab_write(file, "function { %s }\n" % ob.pov.z_eq)
+ tab_write(
+ file,
+ "<%.4f,%.4f>, <%.4f,%.4f>\n"
+ % (ob.pov.u_min, ob.pov.v_min, ob.pov.u_max, ob.pov.v_max),
+ )
+ # Previous to 3.8 default max_gradient 1.0 was too slow
+ tab_write(file, "max_gradient 0.001\n")
+ if ob.pov.contained_by == "sphere":
+ tab_write(file, "contained_by { sphere{0, 2} }\n")
+ else:
+ tab_write(file, "contained_by { box{-2, 2} }\n")
+ tab_write(file, "max_gradient %.6f\n" % ob.pov.max_gradient)
+ tab_write(file, "accuracy %.6f\n" % ob.pov.accuracy)
+ tab_write(file, "precompute 10 x,y,z\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "ISOSURFACE_NODE":
+ tab_write(file, "#declare %s = isosurface{ \n" % povdataname)
+ tab_write(file, "function{ \n")
+ text_name = ob.pov.iso_function_text
+ if text_name:
+ node_tree = bpy.context.scene.node_tree
+ for node in node_tree.nodes:
+ if node.bl_idname == "IsoPropsNode" and node.label == ob.name:
+ for inp in node.inputs:
+ if inp:
+ tab_write(
+ file,
+ "#declare %s = %.6g;\n" % (inp.name, inp.default_value),
+ )
+
+ text = bpy.data.texts[text_name]
+ for line in text.lines:
+ split = line.body.split()
+ if split[0] != "#declare":
+ tab_write(file, "%s\n" % line.body)
+ else:
+ tab_write(file, "abs(x) - 2 + y")
+ tab_write(file, "}\n")
+ tab_write(file, "threshold %.6g\n" % ob.pov.threshold)
+ tab_write(file, "max_gradient %.6g\n" % ob.pov.max_gradient)
+ tab_write(file, "accuracy %.6g\n" % ob.pov.accuracy)
+ tab_write(file, "contained_by { ")
+ if ob.pov.contained_by == "sphere":
+ tab_write(file, "sphere {0,%.6g}}\n" % ob.pov.container_scale)
+ else:
+ tab_write(
+ file,
+ "box {-%.6g,%.6g}}\n"
+ % (ob.pov.container_scale, ob.pov.container_scale),
+ )
+ if ob.pov.all_intersections:
+ tab_write(file, "all_intersections\n")
+ else:
+ if ob.pov.max_trace > 1:
+ tab_write(file, "max_trace %.6g\n" % ob.pov.max_trace)
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ tab_write(file, "scale %.6g\n" % (1 / ob.pov.container_scale))
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "ISOSURFACE_VIEW":
+ simple_isosurface_function = ob.pov.isosurface_eq
+ if simple_isosurface_function:
+ tab_write(file, "#declare %s = isosurface{ \n" % povdataname)
+ tab_write(file, "function{ \n")
+ tab_write(file, simple_isosurface_function)
+ tab_write(file, "}\n")
+ tab_write(file, "threshold %.6g\n" % ob.pov.threshold)
+ tab_write(file, "max_gradient %.6g\n" % ob.pov.max_gradient)
+ tab_write(file, "accuracy %.6g\n" % ob.pov.accuracy)
+ tab_write(file, "contained_by { ")
+ if ob.pov.contained_by == "sphere":
+ tab_write(file, "sphere {0,%.6g}}\n" % ob.pov.container_scale)
+ else:
+ tab_write(
+ file,
+ "box {-%.6g,%.6g}}\n"
+ % (ob.pov.container_scale, ob.pov.container_scale),
+ )
+ if ob.pov.all_intersections:
+ tab_write(file, "all_intersections\n")
+ else:
+ if ob.pov.max_trace > 1:
+ tab_write(file, "max_trace %.6g\n" % ob.pov.max_trace)
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ tab_write(file, "scale %.6g\n" % (1 / ob.pov.container_scale))
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "SUPERELLIPSOID":
+ tab_write(
+ file,
+ "#declare %s = superellipsoid{ <%.4f,%.4f>\n"
+ % (povdataname, ob.pov.se_n2, ob.pov.se_n1),
+ )
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "SUPERTORUS":
+ rad_maj = ob.pov.st_major_radius
+ rad_min = ob.pov.st_minor_radius
+ ring = ob.pov.st_ring
+ cross = ob.pov.st_cross
+ accuracy = ob.pov.st_accuracy
+ gradient = ob.pov.st_max_gradient
+ # --- Inline Supertorus macro
+ file.write(
+ "#macro Supertorus(RMj, RMn, MajorControl, MinorControl, Accuracy, MaxGradient)\n"
+ )
+ file.write(" #local CP = 2/MinorControl;\n")
+ file.write(" #local RP = 2/MajorControl;\n")
+ file.write(" isosurface {\n")
+ file.write(
+ " function { pow( pow(abs(pow(pow(abs(x),RP) + pow(abs(z),RP), 1/RP) - RMj),CP) + pow(abs(y),CP) ,1/CP) - RMn }\n"
+ )
+ file.write(" threshold 0\n")
+ file.write(
+ " contained_by {box {<-RMj-RMn,-RMn,-RMj-RMn>, < RMj+RMn, RMn, RMj+RMn>}}\n"
+ )
+ file.write(" #if(MaxGradient >= 1)\n")
+ file.write(" max_gradient MaxGradient\n")
+ file.write(" #else\n")
+ file.write(" evaluate 1, 10, 0.1\n")
+ file.write(" #end\n")
+ file.write(" accuracy Accuracy\n")
+ file.write(" }\n")
+ file.write("#end\n")
+ # ---
+ tab_write(
+ file,
+ "#declare %s = object{ Supertorus( %.4g,%.4g,%.4g,%.4g,%.4g,%.4g)\n"
+ % (
+ povdataname,
+ rad_maj,
+ rad_min,
+ ring,
+ cross,
+ accuracy,
+ gradient,
+ ),
+ )
+ if ob.active_material:
+ # pov_mat_name = string_strip_hyphen(bpy.path.clean_name(obj.active_material.name))
+ try:
+ material = ob.active_material
+ write_object_material_interior(file, material, ob, tab_write)
+ except IndexError:
+ print(me)
+ # tab_write(file, "texture {%s}\n"%pov_mat_name)
+ write_object_modifiers(ob, file)
+ tab_write(file, "rotate x*90\n")
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+
+ if ob.pov.object_as == "POLYCIRCLE":
+ # TODO write below macro Once:
+ # if write_polytocircle_macro_once == 0:
+ file.write("/****************************\n")
+ file.write("This macro was written by 'And'.\n")
+ file.write("Link:(http://news.povray.org/povray.binaries.scene-files/)\n")
+ file.write("****************************/\n")
+ file.write("//from math.inc:\n")
+ file.write("#macro VPerp_Adjust(V, Axis)\n")
+ file.write(" vnormalize(vcross(vcross(Axis, V), Axis))\n")
+ file.write("#end\n")
+ file.write("//Then for the actual macro\n")
+ file.write("#macro Shape_Slice_Plane_2P_1V(point1, point2, clip_direct)\n")
+ file.write("#local p1 = point1 + <0,0,0>;\n")
+ file.write("#local p2 = point2 + <0,0,0>;\n")
+ file.write("#local clip_v = vnormalize(clip_direct + <0,0,0>);\n")
+ file.write("#local direct_v1 = vnormalize(p2 - p1);\n")
+ file.write("#if(vdot(direct_v1, clip_v) = 1)\n")
+ file.write(' #error "Shape_Slice_Plane_2P_1V error: Can\'t decide plane"\n')
+ file.write("#end\n\n")
+ file.write(
+ "#local norm = -vnormalize(clip_v - direct_v1*vdot(direct_v1,clip_v));\n"
+ )
+ file.write("#local d = vdot(norm, p1);\n")
+ file.write("plane{\n")
+ file.write("norm, d\n")
+ file.write("}\n")
+ file.write("#end\n\n")
+ file.write("//polygon to circle\n")
+ file.write(
+ "#macro Shape_Polygon_To_Circle_Blending("
+ "_polygon_n, _side_face, "
+ "_polygon_circumscribed_radius, "
+ "_circle_radius, "
+ "_height)\n"
+ )
+ file.write("#local n = int(_polygon_n);\n")
+ file.write("#if(n < 3)\n")
+ file.write(" #error\n")
+ file.write("#end\n\n")
+ file.write("#local front_v = VPerp_Adjust(_side_face, z);\n")
+ file.write("#if(vdot(front_v, x) >= 0)\n")
+ file.write(" #local face_ang = acos(vdot(-y, front_v));\n")
+ file.write("#else\n")
+ file.write(" #local face_ang = -acos(vdot(-y, front_v));\n")
+ file.write("#end\n")
+ file.write("#local polyg_ext_ang = 2*pi/n;\n")
+ file.write("#local polyg_outer_r = _polygon_circumscribed_radius;\n")
+ file.write("#local polyg_inner_r = polyg_outer_r*cos(polyg_ext_ang/2);\n")
+ file.write("#local cycle_r = _circle_radius;\n")
+ file.write("#local h = _height;\n")
+ file.write("#if(polyg_outer_r < 0 | cycle_r < 0 | h <= 0)\n")
+ file.write(' #error "error: each side length must be positive"\n')
+ file.write("#end\n\n")
+ file.write("#local multi = 1000;\n")
+ file.write("#local poly_obj =\n")
+ file.write("polynomial{\n")
+ file.write("4,\n")
+ file.write("xyz(0,2,2): multi*1,\n")
+ file.write("xyz(2,0,1): multi*2*h,\n")
+ file.write("xyz(1,0,2): multi*2*(polyg_inner_r-cycle_r),\n")
+ file.write("xyz(2,0,0): multi*(-h*h),\n")
+ file.write("xyz(0,0,2): multi*(-pow(cycle_r - polyg_inner_r, 2)),\n")
+ file.write("xyz(1,0,1): multi*2*h*(-2*polyg_inner_r + cycle_r),\n")
+ file.write("xyz(1,0,0): multi*2*h*h*polyg_inner_r,\n")
+ file.write("xyz(0,0,1): multi*2*h*polyg_inner_r*(polyg_inner_r - cycle_r),\n")
+ file.write("xyz(0,0,0): multi*(-pow(polyg_inner_r*h, 2))\n")
+ file.write("sturm\n")
+ file.write("}\n\n")
+ file.write("#local mockup1 =\n")
+ file.write("difference{\n")
+ file.write(" cylinder{\n")
+ file.write(" <0,0,0.0>,<0,0,h>, max(polyg_outer_r, cycle_r)\n")
+ file.write(" }\n\n")
+ file.write(" #for(i, 0, n-1)\n")
+ file.write(" object{\n")
+ file.write(" poly_obj\n")
+ file.write(" inverse\n")
+ file.write(" rotate <0, 0, -90 + degrees(polyg_ext_ang*i)>\n")
+ file.write(" }\n")
+ file.write(" object{\n")
+ file.write(
+ " Shape_Slice_Plane_2P_1V(<polyg_inner_r,0,0>,<cycle_r,0,h>,x)\n"
+ )
+ file.write(" rotate <0, 0, -90 + degrees(polyg_ext_ang*i)>\n")
+ file.write(" }\n")
+ file.write(" #end\n")
+ file.write("}\n\n")
+ file.write("object{\n")
+ file.write("mockup1\n")
+ file.write("rotate <0, 0, degrees(face_ang)>\n")
+ file.write("}\n")
+ file.write("#end\n")
+ # Use the macro
+ ngon = ob.pov.polytocircle_ngon
+ ngonR = ob.pov.polytocircle_ngonR
+ circleR = ob.pov.polytocircle_circleR
+ tab_write(
+ file,
+ "#declare %s = object { Shape_Polygon_To_Circle_Blending("
+ "%s, z, %.4f, %.4f, 2) rotate x*180 translate z*1\n"
+ % (povdataname, ngon, ngonR, circleR),
+ )
+ tab_write(file, "}\n")
+ continue # Don't render proxy mesh, skip to next object
+ if csg:
+ # fluid_found early return no longer runs this
+ # todo maybe make a function to run in that other branch
+ duplidata_ref = []
+ _dupnames_seen = {} # avoid duplicate output during introspection
+ for ob in sel:
+ # matrix = global_matrix @ obj.matrix_world
+ if ob.is_instancer:
+ tab_write(file, "\n//--DupliObjects in %s--\n\n" % ob.name)
+ # obj.dupli_list_create(scene) #deprecated in 2.8
+ dup = ""
+ if ob.is_modified(scene, "RENDER"):
+ # modified object always unique so using object name rather than data name
+ dup = "#declare OB%s = union{\n" % (
+ string_strip_hyphen(bpy.path.clean_name(ob.name))
+ )
+ else:
+ dup = "#declare DATA%s = union{\n" % (
+ string_strip_hyphen(bpy.path.clean_name(ob.name))
+ )
+
+ for eachduplicate in depsgraph.object_instances:
+ if (
+ eachduplicate.is_instance
+ ): # Real dupli instance filtered because original included in list since 2.8
+ _dupname = eachduplicate.object.name
+ _dupobj = bpy.data.objects[_dupname]
+ # BEGIN introspection for troubleshooting purposes
+ if "name" not in dir(_dupobj.data):
+ if _dupname not in _dupnames_seen:
+ print(
+ "WARNING: bpy.data.objects[%s].data (of type %s) has no 'name' attribute"
+ % (_dupname, type(_dupobj.data))
+ )
+ for _thing in dir(_dupobj):
+ print(
+ "|| %s.%s = %s"
+ % (_dupname, _thing, getattr(_dupobj, _thing))
+ )
+ _dupnames_seen[_dupname] = 1
+ print("''=> Unparseable objects so far: %s" % _dupnames_seen)
+ else:
+ _dupnames_seen[_dupname] += 1
+ continue # don't try to parse data objects with no name attribute
+ # END introspection for troubleshooting purposes
+ duplidataname = "OB" + string_strip_hyphen(
+ bpy.path.clean_name(_dupobj.data.name)
+ )
+ dupmatrix = (
+ eachduplicate.matrix_world.copy()
+ ) # has to be copied to not store instance since 2.8
+ dup += "\tobject {\n\t\tDATA%s\n\t\t%s\t}\n" % (
+ string_strip_hyphen(bpy.path.clean_name(_dupobj.data.name)),
+ matrix_as_pov_string(ob.matrix_world.inverted() @ dupmatrix),
+ )
+ # add object to a list so that it is not rendered for some instance_types
+ if (
+ ob.instance_type != "COLLECTION"
+ and duplidataname not in duplidata_ref
+ ):
+ duplidata_ref.append(
+ duplidataname,
+ ) # older key [string_strip_hyphen(bpy.path.clean_name("OB"+obj.name))]
+ dup += "}\n"
+ # obj.dupli_list_clear()# just do not store any reference to instance since 2.8
+ tab_write(file, dup)
+ else:
+ continue
+ if _dupnames_seen:
+ print("WARNING: Unparseable objects in current .blend file:\n''--> %s" % _dupnames_seen)
+ if duplidata_ref:
+ print("duplidata_ref = %s" % duplidata_ref)
+ for data_name, inst in data_ref.items():
+ for ob_name, matrix_str in inst:
+ if ob_name not in duplidata_ref: # .items() for a dictionary
+ tab_write(file, "\n//----Blender Object Name: %s----\n" %
+ ob_name.removeprefix("OB"))
+ if ob.pov.object_as == "":
+ tab_write(file, "object { \n")
+ tab_write(file, "%s\n" % data_name)
+ tab_write(file, "%s\n" % matrix_str)
+ tab_write(file, "}\n")
+ else:
+ no_boolean = True
+ for mod in ob.modifiers:
+ if mod.type == "BOOLEAN":
+ operation = None
+ no_boolean = False
+ if mod.operation == "INTERSECT":
+ operation = "intersection"
+ else:
+ operation = mod.operation.lower()
+ mod_ob_name = string_strip_hyphen(
+ bpy.path.clean_name(mod.object.name)
+ )
+ mod_matrix = global_matrix @ mod.object.matrix_world
+ mod_ob_matrix = matrix_as_pov_string(mod_matrix)
+ tab_write(file, "%s { \n" % operation)
+ tab_write(file, "object { \n")
+ tab_write(file, "%s\n" % data_name)
+ tab_write(file, "%s\n" % matrix_str)
+ tab_write(file, "}\n")
+ tab_write(file, "object { \n")
+ tab_write(file, "%s\n" % ("DATA" + mod_ob_name))
+ tab_write(file, "%s\n" % mod_ob_matrix)
+ tab_write(file, "}\n")
+ tab_write(file, "}\n")
+ break
+ if no_boolean:
+ tab_write(file, "object { \n")
+ tab_write(file, "%s\n" % data_name)
+ tab_write(file, "%s\n" % matrix_str)
+ tab_write(file, "}\n")
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 03:34:22 +0300