Alexander Gavrilov
ac290bfbe4
The `object.collision.use` flag was treated as a redundant marker of the existence of the modifier, going as far as adding/removing it when the value was changed, which is not actually very useful. Removing the modifier loses its position in the stack, and requires a dependency graph rebuild. It feels it may be a legacy flag? What would be useful however is the ability to toggle collisions dynamically without removing the modifier. This patch adjusts the code to keep the modifier when the flag is disabled, and add it if it doesn't exist when the flag is enabled. The modifier now checks the flag at the start and quickly exits after cleaning up stale data. The redesigned setting is exposed in the UI. Collisions can't be disabled by simply using the modifier enable flags because the modifier merely saves a snapshot of the mesh at a certain point of the modifier stack for other objects to use, and thus has to be able to clear the stale data. Differential Revision: https://developer.blender.org/D10064
383 lines
12 KiB
Python
383 lines
12 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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import bpy
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from bpy.types import (
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Panel,
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)
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from bpy.app.translations import contexts as i18n_contexts
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class PhysicButtonsPanel:
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bl_space_type = 'PROPERTIES'
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bl_region_type = 'WINDOW'
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bl_context = "physics"
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@classmethod
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def poll(cls, context):
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return (context.object) and context.engine in cls.COMPAT_ENGINES
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def physics_add(layout, md, name, type, typeicon, toggles):
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row = layout.row(align=True)
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if md:
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row.context_pointer_set("modifier", md)
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row.operator(
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"object.modifier_remove",
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text=name,
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text_ctxt=i18n_contexts.default,
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icon='X',
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)
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if toggles:
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row.prop(md, "show_viewport", text="")
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row.prop(md, "show_render", text="")
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return row
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else:
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row.operator(
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"object.modifier_add",
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text=name,
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text_ctxt=i18n_contexts.default,
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icon=typeicon,
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).type = type
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def physics_add_special(layout, data, name, addop, removeop, typeicon):
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row = layout.row(align=True)
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if data:
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row.operator(removeop, text=name, text_ctxt=i18n_contexts.default, icon='X')
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else:
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row.operator(addop, text=name, text_ctxt=i18n_contexts.default, icon=typeicon)
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class PHYSICS_PT_add(PhysicButtonsPanel, Panel):
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bl_label = ""
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bl_options = {'HIDE_HEADER'}
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COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
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def draw(self, context):
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layout = self.layout
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row = layout.row(align=True)
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row.alignment = 'LEFT'
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row.label(text="Enable physics for:")
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flow = layout.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
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obj = context.object
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col = flow.column()
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if obj.field.type == 'NONE':
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col.operator("object.forcefield_toggle", text="Force Field", icon='FORCE_FORCE')
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else:
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col.operator("object.forcefield_toggle", text="Force Field", icon='X')
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if obj.type == 'MESH':
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row = physics_add(col, context.collision, "Collision", 'COLLISION', 'MOD_PHYSICS', False)
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if row and obj.collision:
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row.prop(obj.collision, "use", text="", icon="HIDE_OFF" if obj.collision.use else "HIDE_ON")
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physics_add(col, context.cloth, "Cloth", 'CLOTH', 'MOD_CLOTH', True)
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physics_add(col, context.dynamic_paint, "Dynamic Paint", 'DYNAMIC_PAINT', 'MOD_DYNAMICPAINT', True)
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col = flow.column()
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if obj.type in {'MESH', 'LATTICE', 'CURVE', 'SURFACE', 'FONT'}:
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physics_add(col, context.soft_body, "Soft Body", 'SOFT_BODY', 'MOD_SOFT', True)
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if obj.type == 'MESH':
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physics_add(col, context.fluid, "Fluid", 'FLUID', 'MOD_FLUIDSIM', True)
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physics_add_special(
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col, obj.rigid_body, "Rigid Body",
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"rigidbody.object_add",
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"rigidbody.object_remove",
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'RIGID_BODY'
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)
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# all types of objects can have rigid body constraint.
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physics_add_special(
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col, obj.rigid_body_constraint, "Rigid Body Constraint",
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"rigidbody.constraint_add",
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"rigidbody.constraint_remove",
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'RIGID_BODY_CONSTRAINT'
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)
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# cache-type can be 'PSYS' 'HAIR' 'FLUID' etc.
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def point_cache_ui(self, cache, enabled, cachetype):
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layout = self.layout
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layout.use_property_split = True
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layout.context_pointer_set("point_cache", cache)
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is_saved = bpy.data.is_saved
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is_liboverride = cache.id_data.override_library is not None
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# NOTE: TODO temporarily used until the animate properties are properly skipped.
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layout.use_property_decorate = False # No animation (remove this later on).
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if not cachetype == 'RIGID_BODY':
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row = layout.row()
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row.template_list(
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"UI_UL_list", "point_caches", cache, "point_caches",
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cache.point_caches, "active_index", rows=1,
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)
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col = row.column(align=True)
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col.operator("ptcache.add", icon='ADD', text="")
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col.operator("ptcache.remove", icon='REMOVE', text="")
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if cachetype in {'PSYS', 'HAIR', 'FLUID'}:
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col = layout.column()
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if cachetype == 'FLUID':
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col.prop(cache, "use_library_path", text="Use Library Path")
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col.prop(cache, "use_external")
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if cache.use_external:
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col = layout.column()
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col.prop(cache, "index", text="Index")
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col.prop(cache, "filepath", text="Path")
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cache_info = cache.info
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if cache_info:
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col = layout.column()
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col.alignment = 'RIGHT'
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col.label(text=cache_info)
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else:
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if cachetype in {'FLUID', 'DYNAMIC_PAINT'}:
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if not is_saved:
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col = layout.column(align=True)
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col.alignment = 'RIGHT'
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col.label(text="Cache is disabled until the file is saved")
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layout.enabled = False
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if not cache.use_external or cachetype == 'FLUID':
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col = layout.column(align=True)
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if cachetype not in {'PSYS', 'DYNAMIC_PAINT'}:
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col.enabled = enabled
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col.prop(cache, "frame_start", text="Simulation Start")
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col.prop(cache, "frame_end")
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if cachetype not in {'FLUID', 'CLOTH', 'DYNAMIC_PAINT', 'RIGID_BODY'}:
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col.prop(cache, "frame_step")
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cache_info = cache.info
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if cachetype != 'FLUID' and cache_info: # avoid empty space.
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col = layout.column(align=True)
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col.alignment = 'RIGHT'
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col.label(text=cache_info)
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can_bake = True
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if cachetype not in {'FLUID', 'DYNAMIC_PAINT', 'RIGID_BODY'}:
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if not is_saved:
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col = layout.column(align=True)
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col.alignment = 'RIGHT'
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col.label(text="Options are disabled until the file is saved")
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flow = layout.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
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flow.enabled = enabled and is_saved
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col = flow.column(align=True)
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col.prop(cache, "use_disk_cache")
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subcol = col.column()
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subcol.active = cache.use_disk_cache
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subcol.prop(cache, "use_library_path", text="Use Library Path")
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col = flow.column()
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col.active = cache.use_disk_cache
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col.prop(cache, "compression", text="Compression")
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if cache.id_data.library and not cache.use_disk_cache:
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can_bake = False
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col = layout.column(align=True)
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col.alignment = 'RIGHT'
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col.separator()
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col.label(text="Linked object baking requires Disk Cache to be enabled")
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else:
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layout.separator()
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flow = layout.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=False)
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col = flow.column()
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col.active = can_bake
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if is_liboverride and not cache.use_disk_cache:
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col.operator("ptcache.bake", icon='ERROR', text="Bake (Disk Cache mandatory)")
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elif cache.is_baked is True:
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col.operator("ptcache.free_bake", text="Delete Bake")
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else:
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col.operator("ptcache.bake", text="Bake").bake = True
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sub = col.row()
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sub.enabled = enabled
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sub.operator("ptcache.bake", text="Calculate to Frame").bake = False
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sub = col.column()
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sub.enabled = enabled
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sub.operator("ptcache.bake_from_cache", text="Current Cache to Bake")
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col = flow.column()
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col.operator("ptcache.bake_all", text="Bake All Dynamics").bake = True
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col.operator("ptcache.free_bake_all", text="Delete All Bakes")
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col.operator("ptcache.bake_all", text="Update All to Frame").bake = False
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def effector_weights_ui(self, weights, weight_type):
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layout = self.layout
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layout.use_property_split = True
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# NOTE: TODO temporarily used until the animate properties are properly skipped.
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layout.use_property_decorate = False # No animation (remove this later on).
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layout.prop(weights, "collection")
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flow = layout.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
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col = flow.column()
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col.prop(weights, "gravity", slider=True)
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col.prop(weights, "all", slider=True)
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col.prop(weights, "force", slider=True)
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col.prop(weights, "vortex", slider=True)
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col = flow.column()
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col.prop(weights, "magnetic", slider=True)
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col.prop(weights, "harmonic", slider=True)
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col.prop(weights, "charge", slider=True)
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col.prop(weights, "lennardjones", slider=True)
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col = flow.column()
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col.prop(weights, "wind", slider=True)
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col.prop(weights, "curve_guide", slider=True)
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col.prop(weights, "texture", slider=True)
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if weight_type != 'FLUID':
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col.prop(weights, "smokeflow", slider=True)
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col = flow.column()
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col.prop(weights, "turbulence", slider=True)
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col.prop(weights, "drag", slider=True)
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col.prop(weights, "boid", slider=True)
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def basic_force_field_settings_ui(self, field):
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layout = self.layout
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layout.use_property_split = True
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if not field or field.type == 'NONE':
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return
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flow = layout.grid_flow(row_major=True, columns=0, even_columns=True, even_rows=False, align=True)
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col = flow.column()
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if field.type == 'DRAG':
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col.prop(field, "linear_drag", text="Linear")
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else:
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col.prop(field, "strength")
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if field.type == 'TURBULENCE':
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col.prop(field, "size")
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col.prop(field, "flow")
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elif field.type == 'HARMONIC':
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col.prop(field, "harmonic_damping", text="Damping")
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col.prop(field, "rest_length")
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elif field.type == 'VORTEX' and field.shape != 'POINT':
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col.prop(field, "inflow")
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elif field.type == 'DRAG':
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col.prop(field, "quadratic_drag", text="Quadratic")
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else:
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col.prop(field, "flow")
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sub = col.column(heading="Affect")
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sub.prop(field, "apply_to_location", text="Location")
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sub.prop(field, "apply_to_rotation", text="Rotation")
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col = flow.column()
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sub = col.column(align=True)
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sub.prop(field, "noise", text="Noise Amount")
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sub.prop(field, "seed", text="Seed")
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if field.type == 'TURBULENCE':
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col.prop(field, "use_global_coords", text="Global")
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elif field.type == 'HARMONIC':
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col.prop(field, "use_multiple_springs")
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if field.type == 'FORCE':
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col.prop(field, "use_gravity_falloff", text="Gravitation")
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col.prop(field, "use_absorption")
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col.prop(field, "wind_factor")
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def basic_force_field_falloff_ui(self, field):
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layout = self.layout
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if not field or field.type == 'NONE':
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return
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col = layout.column()
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col.prop(field, "z_direction")
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col.prop(field, "falloff_power", text="Power")
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col = layout.column(align=False, heading="Min Distance")
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col.use_property_decorate = False
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row = col.row(align=True)
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sub = row.row(align=True)
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sub.prop(field, "use_min_distance", text="")
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sub = sub.row(align=True)
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sub.active = field.use_min_distance
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sub.prop(field, "distance_min", text="")
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row.prop_decorator(field, "distance_min")
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col = layout.column(align=False, heading="Max Distance")
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col.use_property_decorate = False
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row = col.row(align=True)
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sub = row.row(align=True)
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sub.prop(field, "use_max_distance", text="")
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sub = sub.row(align=True)
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sub.active = field.use_max_distance
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sub.prop(field, "distance_max", text="")
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row.prop_decorator(field, "distance_max")
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classes = (
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PHYSICS_PT_add,
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)
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if __name__ == "__main__": # only for live edit.
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from bpy.utils import register_class
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for cls in classes:
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register_class(cls)
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