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fc_mesh_snap_op.py
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fc_mesh_snap_op.py
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import bpy
from bpy.types import Operator
from .widgets . bl_ui_draw_op import *
from .widgets . bl_ui_label import *
from .widgets . bl_ui_drag_panel import *
from .widgets . bl_ui_button import *
from .widgets . bl_ui_checkbox import *
from .widgets . bl_ui_slider import *
from .widgets . bl_ui_up_down import *
# Symmetry operator
class FC_Mesh_Snap_Operator(BL_UI_OT_draw_operator):
bl_idname = "object.fc_mesh_snap_op"
bl_label = "Mesh snap operator"
bl_description = "Configure a mesh to snap to the target"
bl_options = {"REGISTER", "UNDO"}
def __init__(self):
super().__init__()
self.panel = BL_UI_Drag_Panel(0, 0, 280, 240)
self.panel.bg_color = (0.1, 0.1, 0.1, 0.9)
y_pos = 20
# Checkboxes
self.cb_snap_face = BL_UI_Checkbox(20, y_pos, 120, 16)
self.cb_snap_face.cross_color = (0.3, 0.56, 0.94, 1.0)
self.cb_snap_face.text = "Snap to faces"
self.cb_snap_face.text_size = 14
y_pos += 30
self.cb_smooth_shading = BL_UI_Checkbox(20, y_pos, 120, 16)
self.cb_smooth_shading.cross_color = (0.3, 0.56, 0.94, 1.0)
self.cb_smooth_shading.text = "Smooth shading"
self.cb_smooth_shading.text_size = 14
y_pos += 30
self.cb_show_normals = BL_UI_Checkbox(20, y_pos, 120, 16)
self.cb_show_normals.cross_color = (0.3, 0.56, 0.94, 1.0)
self.cb_show_normals.text = "Show normals"
self.cb_show_normals.text_size = 14
y_pos += 40
self.lbl_bvl_width = BL_UI_Label(20, y_pos, 50, 15)
self.lbl_bvl_width.text = "Width:"
self.lbl_bvl_width.text_size = 14
self.lbl_bvl_width.text_color = (0.9, 0.9, 0.9, 1.0)
self.sl_width = BL_UI_Slider(80, y_pos, 160, 30)
self.sl_width.color = (0.3, 0.56, 0.94, 1.0)
self.sl_width.hover_color = (0.3, 0.56, 0.94, 0.8)
self.sl_width.min = -0.1
self.sl_width.max = 0.1
self.sl_width.decimals = 3
self.sl_width.show_min_max = False
self.sl_width.tag = 0
self.sl_width.set_value_change(self.on_width_value_change)
y_pos += 40
self.lbl_ss_levels = BL_UI_Label(20, y_pos, 50, 15)
self.lbl_ss_levels.text = "Subsurface levels:"
self.lbl_ss_levels.text_size = 14
self.lbl_ss_levels.text_color = (0.9, 0.9, 0.9, 1.0)
self.ud_ss_levels = BL_UI_Up_Down(150, y_pos)
self.ud_ss_levels.color = (0.3, 0.56, 0.94, 1.0)
self.ud_ss_levels.hover_color = (0.3, 0.56, 0.94, 0.8)
self.ud_ss_levels.min = 0
self.ud_ss_levels.max = 10
self.ud_ss_levels.decimals = 0
self.ud_ss_levels.set_value(1)
self.ud_ss_levels.set_value_change(self.on_ss_levels_value_change)
y_pos += 40
self.btn_apply = BL_UI_Button(20, y_pos, 110, 25)
self.btn_apply.bg_color = (0.3, 0.56, 0.94, 1.0)
self.btn_apply.hover_bg_color = (0.3, 0.56, 0.94, 0.8)
self.btn_apply.text_size = 14
self.btn_apply.text = "Apply modifiers"
self.btn_apply.set_mouse_down(self.on_btn_apply_down)
self.btn_close = BL_UI_Button(140, y_pos, 120, 25)
self.btn_close.bg_color = (0.3, 0.56, 0.94, 1.0)
self.btn_close.hover_bg_color = (0.3, 0.56, 0.94, 0.8)
self.btn_close.text_size = 14
self.btn_close.text = "Close"
self.btn_close.set_mouse_down(self.on_btn_close_down)
@classmethod
def poll(cls, context):
if context.active_object == None:
return False
mode = context.active_object.mode
return len(context.selected_objects) == 1 and (mode == "EDIT" or mode == "OBJECT")
def on_ss_levels_value_change(self, up_down, value):
active_obj = bpy.context.view_layer.objects.active
if active_obj is not None:
mod_sol = active_obj.modifiers.get("FC_Subsurf")
mod_sol.levels = value
def on_width_value_change(self, slider, value):
active_obj = bpy.context.view_layer.objects.active
if active_obj is not None:
mod_sol = active_obj.modifiers.get("FC_Solidify")
mod_sol.thickness = value
def on_invoke(self, context, event):
# Add new widgets here
widgets_panel = [self.cb_snap_face, self.cb_smooth_shading, self.cb_show_normals, self.sl_width, self.lbl_bvl_width, self.lbl_ss_levels, self.ud_ss_levels, self.btn_apply, self.btn_close]
widgets = [self.panel]
widgets += widgets_panel
self.init_widgets(context, widgets)
self.panel.add_widgets(widgets_panel)
# Open the panel at the mouse location
self.panel.set_location(context.area.height / 2.0,
context.area.height / 2.0)
self.init_widget_values(context)
self.cb_snap_face.set_state_changed(self.on_snap_face_change)
self.cb_show_normals.set_state_changed(self.on_show_normals_change)
self.cb_smooth_shading.set_state_changed(self.on_smooth_shading_change)
def get_or_create_subsurf_mod(self, context):
result = None
active_obj = context.view_layer.objects.active
if active_obj is not None:
result = active_obj.modifiers.get("FC_Subsurf")
if not result:
# Create new subsurface modifier
result = context.object.modifiers.new(type="SUBSURF", name="FC_Subsurf")
result.levels = 1
return result
def get_or_create_solidify_mod(self, context):
result = None
active_obj = context.view_layer.objects.active
if active_obj is not None:
result = active_obj.modifiers.get("FC_Solidify")
if not result:
# Create new subsurface modifier
result = context.object.modifiers.new(type="SOLIDIFY", name="FC_Solidify")
result.thickness = 0.02
result.use_even_offset = True
result.show_on_cage = True
return result
def get_or_create_shrinkwrap_mod(self, context):
result = None
active_obj = context.view_layer.objects.active
if active_obj is not None:
result = active_obj.modifiers.get("FC_Shrinkwrap")
if not result:
# Create new subsurface modifier
result = context.object.modifiers.new(type="SHRINKWRAP", name="FC_Shrinkwrap")
result.wrap_mode = "ABOVE_SURFACE"
result.offset = 0.001
result.target = context.scene.carver_target
return result
def init_widget_values(self, context):
self.cb_snap_face.is_checked = bpy.context.scene.tool_settings.use_snap
self.cb_smooth_shading.is_checked = bpy.context.active_object.data.polygons[0].use_smooth
self.cb_show_normals.is_checked = bpy.context.space_data.overlay.show_face_normals
subsurf_mod = self.get_or_create_subsurf_mod(context)
shrinkwrap_mod = self.get_or_create_shrinkwrap_mod(context)
solidify_mod = self.get_or_create_solidify_mod(context)
self.sl_width.set_value(solidify_mod.thickness)
self.ud_ss_levels.set_value(subsurf_mod.levels)
def on_btn_apply_down(self, widget):
active_obj = bpy.context.view_layer.objects.active
if active_obj:
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
for mod in active_obj.modifiers:
bpy.ops.object.modifier_apply(modifier=mod.name)
self.finish()
def on_btn_close_down(self, widget):
self.finish()
def on_smooth_shading_change(self, checkbox, value):
current_mode = bpy.context.active_object.mode
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
if value:
bpy.ops.object.shade_smooth()
else:
bpy.ops.object.shade_flat()
bpy.ops.object.mode_set(mode=current_mode, toggle=False)
def on_snap_face_change(self, checkbox, value):
bpy.context.scene.tool_settings.snap_elements = {'FACE'}
bpy.context.scene.tool_settings.use_snap_project = value
bpy.context.scene.tool_settings.use_snap = value
def on_show_normals_change(self, checkbox, value):
bpy.context.space_data.overlay.show_face_normals = value