Campbell Barton
e8da6131fd
Move copyright text to SPDX-FileCopyrightText or set to the Blender Foundation so "make check_licenses" now runs without warnings.
519 lines
24 KiB
Python
Executable File
519 lines
24 KiB
Python
Executable File
# SPDX-FileCopyrightText: 2021-2022 Blender Foundation
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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"""Support POV Scene Description Language snippets or full includes: import,
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load, create or edit"""
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import bpy
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from bpy.props import StringProperty, BoolProperty, CollectionProperty
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from bpy_extras.io_utils import ImportHelper
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from bpy.utils import register_class, unregister_class
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from mathutils import Vector
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from math import pi, sqrt
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def export_custom_code(file):
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"""write all POV user defined custom code to exported file"""
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# Write CurrentAnimation Frame for use in Custom POV Code
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file.write("#declare CURFRAMENUM = %d;\n" % bpy.context.scene.frame_current)
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# Change path and uncomment to add an animated include file by hand:
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file.write('//#include "/home/user/directory/animation_include_file.inc"\n')
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for txt in bpy.data.texts:
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if txt.pov.custom_code == "both":
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# Why are the newlines needed?
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file.write("\n")
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file.write(txt.as_string())
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file.write("\n")
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# ----------------------------------- IMPORT
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class SCENE_OT_POV_Import(bpy.types.Operator, ImportHelper):
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"""Load Povray files"""
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bl_idname = "import_scene.pov"
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bl_label = "POV-Ray files (.pov/.inc)"
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bl_options = {"PRESET", "UNDO"}
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COMPAT_ENGINES = {"POVRAY_RENDER"}
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# -----------
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# File props.
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files: CollectionProperty(
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type=bpy.types.OperatorFileListElement, options={"HIDDEN", "SKIP_SAVE"}
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)
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directory: StringProperty(maxlen=1024, subtype="FILE_PATH", options={"HIDDEN", "SKIP_SAVE"})
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filename_ext = {".pov", ".inc"}
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filter_glob: StringProperty(default="*.pov;*.inc", options={"HIDDEN"})
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import_at_cur: BoolProperty(
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name="Import at Cursor Location", description="Ignore Object Matrix", default=False
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)
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def execute(self, context):
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from mathutils import Matrix
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verts = []
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faces = []
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materials = []
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blend_mats = [] # XXX
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pov_mats = [] # XXX
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colors = []
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mat_names = []
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lenverts = None
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lenfaces = None
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suffix = -1
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name = "Mesh2_%s" % suffix
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name_search = False
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verts_search = False
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faces_search = False
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plane_search = False
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box_search = False
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cylinder_search = False
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sphere_search = False
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cone_search = False
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tex_search = False # XXX
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cache = []
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matrixes = {}
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write_matrix = False
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index = None
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value = None
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# file_pov = bpy.path.abspath(self.filepath) # was used for single files
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def mat_search(cache):
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r = g = b = 0.5
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f = t = 0
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color = None
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for item, value in enumerate(cache):
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# if value == 'texture': # add more later
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if value == "pigment":
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# Todo: create function for all color models.
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# instead of current pass statements
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# distinguish srgb from rgb into blend option
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if cache[item + 2] in {"rgb", "srgb"}:
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pass
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elif cache[item + 2] in {"rgbf", "srgbf"}:
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pass
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elif cache[item + 2] in {"rgbt", "srgbt"}:
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try:
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r, g, b, t = (
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float(cache[item + 3]),
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float(cache[item + 4]),
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float(cache[item + 5]),
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float(cache[item + 6]),
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)
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except BaseException as e:
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print(e.__doc__)
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print("An exception occurred: {}".format(e))
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r = g = b = t = float(cache[item + 2])
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color = (r, g, b, t)
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elif cache[item + 2] in {"rgbft", "srgbft"}:
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pass
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else:
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pass
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if colors == [] or color not in colors:
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colors.append(color)
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name = ob.name + "_mat"
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mat_names.append(name)
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mat = bpy.data.materials.new(name)
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mat.diffuse_color = (r, g, b)
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mat.pov.alpha = 1 - t
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if mat.pov.alpha != 1:
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mat.pov.use_transparency = True
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ob.data.materials.append(mat)
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else:
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for i, value in enumerate(colors):
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if color == value:
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ob.data.materials.append(bpy.data.materials[mat_names[i]])
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for file in self.files:
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print("Importing file: " + file.name)
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file_pov = self.directory + file.name
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# Ignore any non unicode character
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with open(file_pov, 'r', encoding='utf-8', errors="ignore") as infile:
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for line in infile:
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string = line.replace("{", " ")
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string = string.replace("}", " ")
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string = string.replace("<", " ")
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string = string.replace(">", " ")
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string = string.replace(",", " ")
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lw = string.split()
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# lenwords = len(lw) # Not used... why written?
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if lw:
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if lw[0] == "object":
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write_matrix = True
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if write_matrix:
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if lw[0] not in {"object", "matrix"}:
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index = lw[0]
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if lw[0] in {"matrix"}:
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value = [
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float(lw[1]),
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float(lw[2]),
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float(lw[3]),
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float(lw[4]),
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float(lw[5]),
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float(lw[6]),
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float(lw[7]),
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float(lw[8]),
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float(lw[9]),
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float(lw[10]),
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float(lw[11]),
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float(lw[12]),
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]
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matrixes[index] = value
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write_matrix = False
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with open(file_pov, 'r', encoding='utf-8', errors="ignore") as infile:
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for line in infile:
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S = line.replace("{", " { ")
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S = S.replace("}", " } ")
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S = S.replace(",", " ")
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S = S.replace("<", "")
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S = S.replace(">", " ")
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S = S.replace("=", " = ")
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S = S.replace(";", " ; ")
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S = S.split()
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# lenS = len(S) # Not used... why written?
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for word in S:
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# -------- Primitives Import -------- #
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if word == "cone":
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cone_search = True
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name_search = False
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if cone_search:
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cache.append(word)
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if cache[-1] == "}":
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try:
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x0 = float(cache[2])
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y0 = float(cache[3])
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z0 = float(cache[4])
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r0 = float(cache[5])
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x1 = float(cache[6])
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y1 = float(cache[7])
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z1 = float(cache[8])
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r1 = float(cache[9])
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# Y is height in most pov files, not z
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bpy.ops.pov.addcone(base=r0, cap=r1, height=(y1 - y0))
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ob = context.object
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ob.location = (x0, y0, z0)
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# ob.scale = (r,r,r)
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mat_search(cache)
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except ValueError:
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pass
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cache = []
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cone_search = False
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if word == "plane":
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plane_search = True
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name_search = False
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if plane_search:
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cache.append(word)
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if cache[-1] == "}":
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try:
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bpy.ops.pov.addplane()
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ob = context.object
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mat_search(cache)
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except ValueError:
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pass
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cache = []
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plane_search = False
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if word == "box":
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box_search = True
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name_search = False
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if box_search:
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cache.append(word)
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if cache[-1] == "}":
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try:
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x0 = float(cache[2])
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y0 = float(cache[3])
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z0 = float(cache[4])
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x1 = float(cache[5])
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y1 = float(cache[6])
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z1 = float(cache[7])
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# imported_corner_1=(x0, y0, z0)
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# imported_corner_2 =(x1, y1, z1)
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center = ((x0 + x1) / 2, (y0 + y1) / 2, (z0 + z1) / 2)
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bpy.ops.pov.addbox()
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ob = context.object
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ob.location = center
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mat_search(cache)
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except ValueError:
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pass
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cache = []
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box_search = False
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if word == "cylinder":
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cylinder_search = True
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name_search = False
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if cylinder_search:
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cache.append(word)
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if cache[-1] == "}":
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try:
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x0 = float(cache[2])
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y0 = float(cache[3])
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z0 = float(cache[4])
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x1 = float(cache[5])
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y1 = float(cache[6])
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z1 = float(cache[7])
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imported_cyl_loc = (x0, y0, z0)
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imported_cyl_loc_cap = (x1, y1, z1)
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r = float(cache[8])
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vec = Vector(imported_cyl_loc_cap) - Vector(imported_cyl_loc)
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depth = vec.length
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rot = Vector((0, 0, 1)).rotation_difference(
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vec
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) # Rotation from Z axis.
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trans = rot @ Vector( # XXX Not used, why written?
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(0, 0, depth / 2)
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) # Such that origin is at center of the base of the cylinder.
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# center = ((x0 + x1)/2,(y0 + y1)/2,(z0 + z1)/2)
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scale_z = sqrt((x1 - x0) ** 2 + (y1 - y0) ** 2 + (z1 - z0) ** 2) / 2
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bpy.ops.pov.addcylinder(
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R=r,
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imported_cyl_loc=imported_cyl_loc,
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imported_cyl_loc_cap=imported_cyl_loc_cap,
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)
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ob = context.object
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ob.location = (x0, y0, z0)
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# todo: test and search where to add the below currently commented
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# since Blender defers the evaluation until the results are needed.
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# bpy.context.view_layer.update()
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# as explained here: https://docs.blender.org/api/current/info_gotcha.html?highlight=gotcha#no-updates-after-setting-values
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ob.rotation_euler = rot.to_euler()
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ob.scale = (1, 1, scale_z)
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# scale data rather than obj?
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# bpy.ops.object.mode_set(mode='EDIT')
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# bpy.ops.mesh.reveal()
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# bpy.ops.mesh.select_all(action='SELECT')
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# bpy.ops.transform.resize(value=(1,1,scale_z), orient_type='LOCAL')
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# bpy.ops.mesh.hide(unselected=False)
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# bpy.ops.object.mode_set(mode='OBJECT')
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mat_search(cache)
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except ValueError:
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pass
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cache = []
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cylinder_search = False
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if word == "sphere":
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sphere_search = True
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name_search = False
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if sphere_search:
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cache.append(word)
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if cache[-1] == "}":
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x = y = z = r = 0
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try:
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x = float(cache[2])
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y = float(cache[3])
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z = float(cache[4])
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r = float(cache[5])
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except ValueError:
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pass
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except BaseException as e:
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print(e.__doc__)
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print("An exception occurred: {}".format(e))
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x = y = z = float(cache[2])
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r = float(cache[3])
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bpy.ops.pov.addsphere(R=r, imported_loc=(x, y, z))
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ob = context.object
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ob.location = (x, y, z)
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ob.scale = (r, r, r)
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mat_search(cache)
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cache = []
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sphere_search = False
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# -------- End Primitives Import -------- #
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if word == "#declare":
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name_search = True
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if name_search:
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cache.append(word)
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if word == "mesh2":
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name_search = False
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if cache[-2] == "=":
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name = cache[-3]
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else:
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suffix += 1
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cache = []
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if word in {"texture", ";"}:
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name_search = False
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cache = []
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if word == "vertex_vectors":
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verts_search = True
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if verts_search:
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cache.append(word)
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if word == "}":
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verts_search = False
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lenverts = cache[2]
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cache.pop()
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cache.pop(0)
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cache.pop(0)
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cache.pop(0)
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for j in range(int(lenverts)):
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x = j * 3
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y = (j * 3) + 1
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z = (j * 3) + 2
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verts.append((float(cache[x]), float(cache[y]), float(cache[z])))
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cache = []
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# if word == 'face_indices':
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# faces_search = True
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if word == "texture_list": # XXX
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tex_search = True # XXX
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if tex_search: # XXX
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if (
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word not in {"texture_list", "texture", "{", "}", "face_indices"}
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and not word.isdigit()
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): # XXX
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pov_mats.append(word) # XXX
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if word == "face_indices":
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tex_search = False # XXX
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faces_search = True
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if faces_search:
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cache.append(word)
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if word == "}":
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faces_search = False
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lenfaces = cache[2]
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cache.pop()
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cache.pop(0)
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cache.pop(0)
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cache.pop(0)
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lf = int(lenfaces)
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var = int(len(cache) / lf)
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for k in range(lf):
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if var == 3:
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v0 = k * 3
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v1 = k * 3 + 1
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v2 = k * 3 + 2
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faces.append((int(cache[v0]), int(cache[v1]), int(cache[v2])))
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if var == 4:
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v0 = k * 4
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v1 = k * 4 + 1
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v2 = k * 4 + 2
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m = k * 4 + 3
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materials.append((int(cache[m])))
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faces.append((int(cache[v0]), int(cache[v1]), int(cache[v2])))
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if var == 6:
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v0 = k * 6
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v1 = k * 6 + 1
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v2 = k * 6 + 2
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m0 = k * 6 + 3
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m1 = k * 6 + 4
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m2 = k * 6 + 5
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materials.append(
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(int(cache[m0]), int(cache[m1]), int(cache[m2]))
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)
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faces.append((int(cache[v0]), int(cache[v1]), int(cache[v2])))
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# mesh = pov_define_mesh(None, verts, [], faces, name, hide_geometry=False)
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# ob = object_utils.object_data_add(context, mesh, operator=None)
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me = bpy.data.meshes.new(name) # XXX
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ob = bpy.data.objects.new(name, me) # XXX
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bpy.context.collection.objects.link(ob) # XXX
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me.from_pydata(verts, [], faces) # XXX
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for mat in bpy.data.materials: # XXX
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blend_mats.append(mat.name) # XXX
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for m_name in pov_mats: # XXX
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if m_name not in blend_mats: # XXX
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bpy.data.materials.new(m_name) # XXX
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mat_search(cache)
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ob.data.materials.append(bpy.data.materials[m_name]) # XXX
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if materials: # XXX
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for idx, val in enumerate(materials): # XXX
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try: # XXX
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ob.data.polygons[idx].material_index = val # XXX
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except TypeError: # XXX
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ob.data.polygons[idx].material_index = int(val[0]) # XXX
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blend_mats = [] # XXX
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pov_mats = [] # XXX
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materials = [] # XXX
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cache = []
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name_search = True
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if name in matrixes and not self.import_at_cur:
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global_matrix = Matrix.Rotation(pi / 2.0, 4, "X")
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ob = bpy.context.object
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matrix = ob.matrix_world
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v = matrixes[name]
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matrix[0][0] = v[0]
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matrix[1][0] = v[1]
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matrix[2][0] = v[2]
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matrix[0][1] = v[3]
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matrix[1][1] = v[4]
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matrix[2][1] = v[5]
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matrix[0][2] = v[6]
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matrix[1][2] = v[7]
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matrix[2][2] = v[8]
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matrix[0][3] = v[9]
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matrix[1][3] = v[10]
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matrix[2][3] = v[11]
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matrix = global_matrix * ob.matrix_world
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ob.matrix_world = matrix
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verts = []
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faces = []
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# if word == 'pigment':
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# try:
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# #all indices have been incremented once to fit a bad test file
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# r,g,b,t = float(S[2]),float(S[3]),float(S[4]),float(S[5])
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# color = (r,g,b,t)
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# except IndexError:
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# #all indices have been incremented once to fit alternate test file
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# r,g,b,t = float(S[3]),float(S[4]),float(S[5]),float(S[6])
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# color = (r,g,b,t)
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# except UnboundLocalError:
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# # In case no transmit is specified ? put it to 0
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# r,g,b,t = float(S[2]),float(S[3]),float(S[4],0)
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# color = (r,g,b,t)
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# except ValueError:
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# color = (0.8,0.8,0.8,0)
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# pass
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# if colors == [] or (colors != [] and color not in colors):
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# colors.append(color)
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# name = ob.name+"_mat"
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# mat_names.append(name)
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# mat = bpy.data.materials.new(name)
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# mat.diffuse_color = (r,g,b)
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# mat.pov.alpha = 1-t
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# if mat.pov.alpha != 1:
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# mat.pov.use_transparency=True
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# ob.data.materials.append(mat)
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# print (colors)
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# else:
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# for m in range(len(colors)):
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# if color == colors[m]:
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# ob.data.materials.append(bpy.data.materials[mat_names[m]])
|
|
|
|
# To keep Avogadro Camera angle:
|
|
# for obj in bpy.context.view_layer.objects:
|
|
# if obj.type == "CAMERA":
|
|
# track = obj.constraints.new(type = "TRACK_TO")
|
|
# track.target = ob
|
|
# track.track_axis ="TRACK_NEGATIVE_Z"
|
|
# track.up_axis = "UP_Y"
|
|
# obj.location = (0,0,0)
|
|
return {"FINISHED"}
|
|
|
|
|
|
classes = (SCENE_OT_POV_Import,)
|
|
|
|
|
|
def register():
|
|
for cls in classes:
|
|
register_class(cls)
|
|
|
|
|
|
def unregister():
|
|
for cls in reversed(classes):
|
|
unregister_class(cls)
|