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# gpl: author Nobuyuki Hirakata
import bpy
from bpy.types import (
Operator,
Panel,
)
from . import crack_it
def check_object_cell_fracture():
if "object_fracture_cell" in bpy.context.user_preferences.addons.keys():
return True
return False
# Access by bpy.ops.mesh.crackit_fracture
class FractureOperation(Operator):
bl_idname = "mesh.crackit_fracture"
bl_label = "Crack it!"
bl_description = ("Make cracks using the cell fracture add-on\n"
"Needs only one Selected Mesh Object")
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
obj = context.active_object
sel_obj = len(context.selected_objects) == 1
return (obj is not None and obj.type == "MESH" and sel_obj)
def execute(self, context):
if check_object_cell_fracture():
crackit = context.scene.crackit
try:
crack_it.makeFracture(
child_verts=crackit.fracture_childverts,
division=crackit.fracture_div, scaleX=crackit.fracture_scalex,
scaleY=crackit.fracture_scaley, scaleZ=crackit.fracture_scalez,
margin=crackit.fracture_margin
)
crack_it.addModifiers()
crack_it.multiExtrude(
off=crackit.extrude_offset,
var2=crackit.extrude_random, var3=crackit.extrude_random
)
bpy.ops.object.shade_smooth()
except Exception as e:
crack_it.error_handlers(
self, "mesh.crackit_fracture", e, "Crack It! could not be completed."
)
return {"CANCELLED"}
else:
self.report({'WARNING'},
"Depends on Object: Cell Fracture addon. Please enable it first. "
"Operation Cancelled"
)
return {"CANCELLED"}
return {'FINISHED'}
# Apply material preset
# Access by bpy.ops.mesh.crackit_material
class MaterialOperation(Operator):
bl_idname = "mesh.crackit_material"
bl_label = "Apply Material"
bl_description = ("Apply a preset material\n"
"The Material will be applied to the Active Object\n"
"from the type of Mesh, Curve, Surface, Font, Meta")
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
obj = context.active_object
# included - type that can have materials
included = ['MESH', 'CURVE', 'SURFACE', 'FONT', 'META']
return (obj is not None and obj.type in included)
def execute(self, context):
crackit = context.scene.crackit
mat_name = crackit.material_preset
mat_lib_name = crackit.material_lib_name
mat_ui_name = crack_it.get_ui_mat_name(mat_name) if not mat_lib_name else mat_name
try:
crack_it.appendMaterial(
addon_path=crackit.material_addonpath,
material_name=mat_name,
mat_ui_names=mat_ui_name
)
except Exception as e:
crack_it.error_handlers(
self, "mesh.crackit_material", e,
"The active Object could not have the Material {} applied".format(mat_ui_name)
)
return {"CANCELLED"}
return {'FINISHED'}
# Menu settings
class crackitPanel(Panel):
bl_label = "Crack it!"
bl_idname = 'crack_it'
bl_space_type = "VIEW_3D"
bl_region_type = "TOOLS"
bl_category = "Create"
bl_context = 'objectmode'
bl_options = {"DEFAULT_CLOSED"}
def draw(self, context):
crackit = context.scene.crackit
layout = self.layout
# Crack input
box = layout.box()
row = box.row()
# Warning if the fracture cell addon is not enabled
if not check_object_cell_fracture():
col = box.column()
col.label(text="Please enable Object: Cell Fracture addon", icon="INFO")
col.separator()
col.operator("wm.addon_userpref_show",
text="Go to Cell Fracture addon",
icon="PREFERENCES").module = "object_fracture_cell"
layout.separator()
return
else:
row.operator(FractureOperation.bl_idname, icon="SPLITSCREEN")
row = box.row()
row.prop(crackit, "fracture_childverts")
col = box.column(align=True)
col.prop(crackit, "fracture_scalex")
col.prop(crackit, "fracture_scaley")
col.prop(crackit, "fracture_scalez")
col = box.column(align=True)
col.label("Settings:")
col.prop(crackit, "fracture_div")
col.prop(crackit, "fracture_margin")
col = box.column(align=True)
col.label("Extrude:")
col.prop(crackit, "extrude_offset")
col.prop(crackit, "extrude_random")
# material Preset:
box = layout.box()
row = box.row()
row.label("Material Preset:")
row_sub = row.row()
row_sub.prop(crackit, "material_lib_name", text="",
toggle=True, icon="LONGDISPLAY")
row = box.row()
row.prop(crackit, "material_preset")
row = box.row()
row.operator(MaterialOperation.bl_idname)
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