Why am I still building slides?

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Spencer Killen 2022-01-10 00:14:20 -07:00
parent c22060d8d8
commit b1a52b99fd
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4 changed files with 179 additions and 6 deletions

1
.gitignore vendored
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*.blend* *.blend*
.env .env
venv venv
.vscode

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#!/usr/bin/env bash #!/usr/bin/env bash
if [[ -d venv ]]; then
source ./venv/bin/activate
return
exit 0
fi
if ! [[ -f .env ]]; then if ! [[ -f .env ]]; then
echo "Add a .env file with PYTHON_PATH containing an absolute path path to" echo "Add a .env file with PYTHON_PATH containing an absolute path path to"
echo "blender's python build with bpy. " echo "blender's python build with bpy. "
echo "E.g PYTHON_PATH=~/blender-git/lib/linux_centos7_x86_64/python/bin/python3.9" echo "E.g PYTHON_PATH=~/blender-git/lib/linux_centos7_x86_64/python/bin/python3.9"
echo "PYTHON_PATH=~/blender-git/lib/linux_centos7_x86_64/python/bin/python3.9" > .env echo "PYTHON_PATH=~/blender-git/lib/linux_centos7_x86_64/python/bin/python3.9" > .env
echo "VIRTUAL_ENV_DISABLE_PROMPT=YESPLEASE" >> .env
echo "Created the file. Now go edit it" echo "Created the file. Now go edit it"
exit 1; exit 1;
fi fi
source .env source .env
if [[ -d venv ]]; then
source ./venv/bin/activate
return
exit 0
fi
if [[ -z "$PYTHON_PATH" ]]; then if [[ -z "$PYTHON_PATH" ]]; then
echo Missing variable PYTHON_PATH in .env echo Missing variable PYTHON_PATH in .env
exit 1 exit 1

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171
playground/playground.py Normal file
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import bpy
from bpy.types import (
Curve,
LayerCollection,
MaterialSlot,
ViewLayer,
Object,
Mesh,
)
from pathlib import Path
from typing import Collection, Generic, TypeVar
from mathutils import Color
SCENE = bpy.data.scenes[0]
# Tiny helper to make autocompletion more precise for objects
T = TypeVar("T")
class ObjectData(Generic[T], Object):
data: T
# Default names
PARTS = ("controller", "curve", "fin", "maker", "screw", "spool")
class Slide:
collection: LayerCollection
controller: ObjectData[None]
curve: ObjectData[Curve]
fin: ObjectData[Curve]
maker: ObjectData[Mesh]
screw: ObjectData[Mesh]
spool: ObjectData[Mesh]
def __init__(self, blend_file_path: str):
self.__dict__.update(load_slide(blend_file_path))
self.__localize()
def __localize(self):
"Make sure node inputs are linked to themselves"
self.maker.modifiers["MakeTunnel"]["Input_5"] = self.curve
self.maker.modifiers["AddSpool"]["Input_6"] = self.curve
self.maker.modifiers["AddSpool"]["Input_3"] = self.spool
slide_body_material = self.maker.material_slots[0].material
self.maker.modifiers["AddSpool"]["Input_7"] = slide_body_material
self.fin.modifiers["AddFin"]["Input_2"] = self.curve
self.fin.modifiers["AddFin"]["Input_3"] = self.spool.material_slots[0].material
self.screw.hide_viewport = True
self.screw.hide_render = True
self.spool.hide_viewport = True
self.spool.hide_render = True
for part in PARTS[1:]:
getattr(self, part).parent = self.controller
@property
def radius(self) -> float:
return self.maker.modifiers["MakeTunnel"]["Input_2"]
@radius.setter
def radius(self, v: float):
self.maker.modifiers["MakeTunnel"]["Input_2"] = v
self.maker.modifiers["AddSpool"]["Input_8"] = v
self.fin.modifiers["AddFin"]["Input_4"] = v
@property
def thickness(self) -> float:
return self.maker.modifiers["Solidify"].thickness
@thickness.setter
def thickness(self, v: float):
self.maker.modifiers["Solidify"].thickness = v
self.maker.modifiers["AddSpool"]["Input_9"] = v
self.fin.modifiers["AddFin"]["Input_5"] = v
@property
def spool_spacing(self) -> float:
return self.maker.modifiers["AddSpool"]["Input_5"]
@spool_spacing.setter
def spool_spacing(self, v: float):
self.maker.modifiers["AddSpool"]["Input_5"] = v
@property
def body_color(self) -> Color:
c = tuple(
self.maker.material_slots[0]
.material.node_tree.nodes["Principled BSDF.001"]
.inputs[0]
.default_value
)
return Color(c[:3])
@body_color.setter
def body_color(self, c: Color):
c = (*c, 1.0)
self.maker.material_slots[0].material.node_tree.nodes[
"Principled BSDF.001"
].inputs[0].default_value = c
@property
def secondary_color(self) -> Color:
c = tuple(
self.spool.material_slots[0]
.material.node_tree.nodes["Principled BSDF.001"]
.inputs[0]
.default_value
)
return Color(c[:3])
@secondary_color.setter
def secondary_color(self, c: Color):
c = (*c, 1.0)
self.spool.material_slots[0].material.node_tree.nodes[
"Principled BSDF.001"
].inputs[0].default_value = c
def get_parts(c: Collection):
return {
part: next(obj for obj in c.all_objects if part in obj.name.lower())
for part in PARTS
}
def toplevel_collection_to_layer_collection(
c: Collection, view_layer: ViewLayer
) -> LayerCollection:
return next(cv for cv in view_layer.layer_collection.children if cv.collection == c)
def duplicate_collection_objects(c: Collection, name: str):
c2 = bpy.data.collections.new(name)
for obj in c.all_objects:
c2.objects.link(obj.copy())
return c2
def dup_obj_materials_inplace(obj: Object):
for slot in obj.material_slots:
slot: MaterialSlot
slot.material = slot.material.copy()
def load_slide(file_path: str):
bpy.ops.wm.append(
filepath=f"{file_path}/Scene/SlideTemplate",
directory=f"{file_path}/Scene/",
filename="SlideTemplate",
)
scene = bpy.data.scenes["SlideTemplate"]
template = scene.collection.children[0]
c = duplicate_collection_objects(template, "Slide")
SCENE.collection.children.link(c)
bpy.data.scenes.remove(scene)
c = toplevel_collection_to_layer_collection(c, SCENE.view_layers[0])
parts = get_parts(c.collection)
for part_obj in parts.values():
dup_obj_materials_inplace(part_obj)
return {"collection": c, **parts}
if __name__ == "__main__":
file_name = "playground.blend"
blend_file_path = str((Path(__file__) / ".." / file_name).resolve())
slide = Slide(blend_file_path)