autour_de_minuit
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gp_interpolate
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interactive mode

master
pullusb 2024-07-24 17:33:31 +02:00
parent 02a62406d9
commit 660c3c4d76
3 changed files with 100 additions and 56 deletions
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2
__init__.py
View File

@ -1,7 +1,7 @@
bl_info = {
"name": "GP Interpolate",
"author": "Christophe Seux, Samuel Bernou",
"version": (0, 8, 4),
"version": (0, 8, 5),
"blender": (4, 0, 2),
"location": "Sidebar > Gpencil Tab > Interpolate",
"description": "Interpolate Grease pencil strokes over 3D",

124
interpolate_strokes/operators.py
View File

@ -21,6 +21,8 @@ class GP_OT_interpolate_stroke_base(bpy.types.Operator):
bl_description = 'Interpolate Stroke based on user bound triangle'
bl_options = {'REGISTER', 'UNDO'}
interactive : bpy.props.BoolProperty(name='Interactive', default=False, options={'SKIP_SAVE'})
next : bpy.props.BoolProperty(name='Next', default=True, options={'SKIP_SAVE'})
@classmethod
@ -38,21 +40,22 @@ class GP_OT_interpolate_stroke_base(bpy.types.Operator):
else:
return f"Interpolate Stroke Backward"
def apply_and_store(self):
'''individual item in self.store_list: (prop, attr, [new_val])'''
for item in self.store_list:
def apply_and_store(self, attrs):
'''individual item in attrs: (prop, attr, [new_val])'''
for item in attrs:
prop, attr = item[:2]
self.store.append( (prop, attr, getattr(prop, attr)) )
self.stored_attrs.append( (prop, attr, getattr(prop, attr)) )
if len(item) >= 3:
setattr(prop, attr, item[2])
def restore(self):
for prop, attr, old_val in self.store:
for prop, attr, old_val in self.stored_attrs:
setattr(prop, attr, old_val)
def exit(self, context, status='INFO', text=None, cancelled=False):
context.area.header_text_set(None)
wm = context.window_manager
if self.report_progress:
wm.progress_end() # Pgs
if self.timer:
wm.event_timer_remove(self.timer)
@ -65,8 +68,8 @@ class GP_OT_interpolate_stroke_base(bpy.types.Operator):
## Remove Plane and it's collection after use
if self.plane is not None:
bpy.data.objects.remove(self.plane)
if self.toolcol is not None:
bpy.data.collections.remove(self.toolcol)
if self.tool_col is not None:
bpy.data.collections.remove(self.tool_col)
cancel_state = '(Stopped!) ' if cancelled else ''
mess = f'{cancel_state}{self.loop_count} interpolated frame(s) ({time()-self.start:.3f}s)'
@ -91,26 +94,29 @@ class GP_OT_interpolate_stroke_base(bpy.types.Operator):
s.select = True
tgt_strokes = self.gp.data.layers.active.active_frame.strokes
if not tgt_strokes:
if tgt_strokes:
return tgt_strokes
return self.exit(context, status='ERROR', text='No stroke selected!')
return tgt_strokes
## For now, operators have their own invoke
def invoke(self, context, event):
self.debug = False
self.store_list = []
self.store = []
self.loop_count = 0
self.stored_attrs = [] # context manager store/restore
self.loop_count = 0 # frames list iterator
self.start = time()
self.scan_time = None
self.plane = None
self.toolcol = None
self.scan_time = None # to print time at exit in debug mode
self.plane = None # 3D Plane for bone interpolation
self.tool_col = None # collection containing 3D plane
self.gp = context.object
self.settings = context.scene.gp_interpo_settings
self.frames_to_jump = None
self.cancelled = False
self.timer = None
self.timer_event = 'TIMER'
self.report_progress = (self.settings.use_animation and not self.interactive)
self.interpolated_keys = {context.scene.frame_current}
## Remove interpolation_plane collection ! (unseen, but can be hit)
if interp_plane := bpy.data.objects.get('interpolation_plane'):
@ -118,11 +124,6 @@ class GP_OT_interpolate_stroke_base(bpy.types.Operator):
if interp_col := bpy.data.collections.get('interpolation_tool'):
bpy.data.collections.remove(interp_col)
## Determine on what key/keys to jump
self.frames_to_jump = following_keys(forward=self.next, animation=self.settings.use_animation)
if not len(self.frames_to_jump):
return self.exit(context, status='WARNING', text='No keyframe available in this direction')
## Change active layer if strokes are selected only on this layer
layers = [l for l in self.gp.data.layers
if (not l.lock and l.active_frame)
@ -137,8 +138,23 @@ class GP_OT_interpolate_stroke_base(bpy.types.Operator):
## Set active layer
self.gp.data.layers.active = layers[0]
# if self.interactive:
# ## TODO: Allow even if 0 keys are available
# ## disable timer event detection
# self.timer_event = None
# # Add available keys in other direction then sort
# self.frames_to_jump += following_keys(forward=not self.next, animation=self.settings.use_animation or self.interactive)
# self.frames_to_jump.sort()
if not self.interactive:
## Determine on what key/keys to jump
self.frames_to_jump = following_keys(forward=self.next, animation=self.settings.use_animation or self.interactive)
if not len(self.frames_to_jump):
return self.exit(context, status='WARNING', text='No keyframe available in this direction')
# TODO: Expose timer (in preferences ?) to let user more time to see result between frames
self.timer = context.window_manager.event_timer_add(0.05, window=context.window)
self.timer = context.window_manager.event_timer_add(0.04, window=context.window)
## Converted to modal from "operator_single"
@ -185,7 +201,7 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
if state := super().invoke(context, event):
return state
scn = bpy.context.scene
scn = context.scene
origin = scn.camera.matrix_world.to_translation()
@ -209,13 +225,13 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
## Ensure collection and plane exists
# get/create collection
self.toolcol = bpy.data.collections.get('interpolation_tool')
if not self.toolcol:
self.toolcol = bpy.data.collections.new('interpolation_tool')
self.tool_col = bpy.data.collections.get('interpolation_tool')
if not self.tool_col:
self.tool_col = bpy.data.collections.new('interpolation_tool')
if self.toolcol.name not in bpy.context.scene.collection.children:
bpy.context.scene.collection.children.link(self.toolcol)
self.toolcol.hide_viewport = True # needed ?
if self.tool_col.name not in bpy.context.scene.collection.children:
bpy.context.scene.collection.children.link(self.tool_col)
self.tool_col.hide_viewport = True # needed ?
# get/create meshplane
self.plane = bpy.data.objects.get('interpolation_plane')
@ -223,8 +239,8 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
self.plane = create_plane(name='interpolation_plane')
self.plane.select_set(False)
if self.plane.name not in self.toolcol.objects:
self.toolcol.objects.link(self.plane)
if self.plane.name not in self.tool_col.objects:
self.tool_col.objects.link(self.plane)
target_obj = self.plane
elif self.settings.method == 'GEOMETRY':
@ -243,14 +259,14 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
target_obj = override
## Prepare context manager
self.store_list = [
attrs = [
# (context.view_layer.objects, 'active', self.gp),
(context.tool_settings, 'use_keyframe_insert_auto', True),
# (bpy.context.scene.render, 'simplify_subdivision', 0),
]
## Set everything in SETUP list
self.apply_and_store()
self.apply_and_store(attrs)
if self.settings.method == 'BONE':
## replace plane
@ -307,6 +323,7 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
# Jump frame and paste
if self.report_progress:
context.window_manager.progress_begin(self.frames_to_jump[0], self.frames_to_jump[-1]) # Pgs
context.window_manager.modal_handler_add(self)
context.area.header_text_set('Starting interpolation | Esc: Cancel')
@ -314,20 +331,44 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
return {'RUNNING_MODAL'}
def modal(self, context, event):
scn = context.scene
if self.interactive:
frame = None
self.loop_count = 0 # Reset to keep inifinite loop
prev_frame_num = following_keys(forward=False)
prev_frame_num = prev_frame_num[0] if prev_frame_num else None
next_frame_num = following_keys(forward=True)
next_frame_num = next_frame_num[0] if next_frame_num else None
context.area.header_text_set(f'Interpolate: {prev_frame_num} < {context.scene.frame_current} > {next_frame_num} | Esc: Finish')
if event.type == 'LEFT_ARROW' and event.value == 'PRESS':
frame = prev_frame_num
if event.type == 'RIGHT_ARROW' and event.value == 'PRESS':
frame = next_frame_num
if frame is None:
self.report({'WARNING'}, 'No frame to jump to in this direction!')
else:
frame_num = len(self.frames_to_jump)
percentage = (self.loop_count) / (frame_num) * 100
context.area.header_text_set(f'Interpolation {percentage:.0f}% {self.loop_count + 1}/{frame_num} | Esc: Cancel')
if event.type in {'RIGHTMOUSE', 'ESC'}:
context.area.header_text_set(f'Cancelling')
if event.type in {'RIGHTMOUSE', 'ESC', 'RET'}:
return self.exit(context, status='WARNING', text='Cancelling', cancelled=True)
## -- LOOPTIMER
if event.type == 'TIMER':
f = self.frames_to_jump[self.loop_count]
bpy.context.window_manager.progress_update(f) # Pgs
scn = bpy.context.scene
scn.frame_set(f)
if event.type == self.timer_event or (self.interactive and frame is not None):
if not self.interactive:
frame = self.frames_to_jump[self.loop_count]
scn.frame_set(frame)
if frame in self.interpolated_keys:
self.report({'INFO'}, f'SKIP {frame} (already interpolated)')
return {'RUNNING_MODAL'}
print(f'-> {frame}')
if self.report_progress:
context.window_manager.progress_update(frame) # Pgs
origin = scn.camera.matrix_world.to_translation()
plane_co, plane_no = get_gp_draw_plane(self.gp)
bpy.ops.gpencil.select_all(action='DESELECT')
@ -386,11 +427,14 @@ class GP_OT_interpolate_stroke(GP_OT_interpolate_stroke_base):
for stroke in other_strokes:
stroke.select = False
if self.interactive:
self.interpolated_keys.add(frame)
else:
self.loop_count += 1
if self.loop_count >= len(self.frames_to_jump):
return self.exit(context)
bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
# bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
return {'RUNNING_MODAL'}

6
ui.py
View File

@ -40,9 +40,9 @@ class GP_PT_interpolate(bpy.types.Panel):
direction_button_row.operator(ops_id, text=prev_text, icon=prev_icon).next = False
direction_button_row.operator(ops_id, text=next_text, icon=next_icon).next = True
## Button for interactive mode
# interactive_mode_row = row.row()
# interactive_mode_row.operator(ops_id, text='', icon='ACTION_TWEAK') # SNAP_INCREMENT, ACTION_TWEAK, CON_ACTION, CENTER_ONLY
## Button for interactive mode (icons: SNAP_INCREMENT, ACTION_TWEAK, CON_ACTION, CENTER_ONLY)
interactive_mode_row = row.row()
interactive_mode_row.operator(ops_id, text='', icon='ACTION_TWEAK').interactive = True
col.prop(settings, 'use_animation', text='Animation')