465 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			465 lines
		
	
	
		
			14 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 pgettext_iface as iface_
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from bl_operators.presets import PresetMenu
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class FLUID_PT_presets(PresetMenu):
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    bl_label = "Fluid Presets"
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    preset_subdir = "fluid"
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    preset_operator = "script.execute_preset"
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    preset_add_operator = "fluid.preset_add"
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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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    def poll_fluid(context):
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        ob = context.object
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        if not ((ob and ob.type == 'MESH') and (context.fluid)):
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            return False
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        return (bpy.app.build_options.mod_fluid)
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    def poll_fluid_settings(context):
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        if not (PhysicButtonsPanel.poll_fluid(context)):
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            return False
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        md = context.fluid
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        return md and md.settings and (md.settings.type != 'NONE')
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    def poll_fluid_domain(context):
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        if not PhysicButtonsPanel.poll_fluid(context):
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            return False
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        md = context.fluid
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        return md and md.settings and (md.settings.type == 'DOMAIN')
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class PHYSICS_PT_fluid(PhysicButtonsPanel, Panel):
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    bl_label = "Fluid"
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        ob = context.object
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        return (ob and ob.type == 'MESH') and context.engine in cls.COMPAT_ENGINES and (context.fluid)
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    def draw(self, context):
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        layout = self.layout
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        layout.use_property_split = True
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        if not bpy.app.build_options.mod_fluid:
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            col = layout.column()
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            col.alignment = 'RIGHT'
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            col.label(text="Built without fluids")
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            return
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        md = context.fluid
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        fluid = md.settings
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        col = layout.column()
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        col.prop(fluid, "type")
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class PHYSICS_PT_fluid_flow(PhysicButtonsPanel, Panel):
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    bl_label = "Flow"
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    bl_parent_id = "PHYSICS_PT_fluid"
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        md = context.fluid
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        fluid = md.settings
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        if not PhysicButtonsPanel.poll_fluid_settings(context):
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            return False
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        return fluid.type in {'INFLOW', 'OUTFLOW', 'CONTROL'} and (context.engine in cls.COMPAT_ENGINES)
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    def draw_header(self, context):
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        md = context.fluid
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        fluid = md.settings
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        self.layout.prop(fluid, "use", text="")
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    def draw(self, context):
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        layout = self.layout
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        layout.use_property_split = True
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        md = context.fluid
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        fluid = md.settings
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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.active = fluid.use
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        if fluid.type == 'INFLOW':
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            col = flow.column()
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            col.prop(fluid, "volume_initialization", text="Volume Initialization")
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            col.prop(fluid, "use_animated_mesh")
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            row = col.row()
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            row.active = not fluid.use_animated_mesh
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            row.prop(fluid, "use_local_coords")
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            col = flow.column()
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            col.prop(fluid, "inflow_velocity", text="Inflow Velocity")
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        elif fluid.type == 'OUTFLOW':
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            col = flow.column()
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            col.prop(fluid, "volume_initialization", text="Volume Initialization")
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            col = flow.column()
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            col.prop(fluid, "use_animated_mesh")
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        elif fluid.type == 'CONTROL':
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            col = flow.column()
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            col.prop(fluid, "quality", slider=True)
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            col.prop(fluid, "use_reverse_frames")
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            col = flow.column()
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            col.prop(fluid, "start_time", text="Time Start")
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            col.prop(fluid, "end_time", text="End")
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            col.separator()
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            col = flow.column()
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            col.prop(fluid, "attraction_strength", text="Attraction Strength")
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            col.prop(fluid, "attraction_radius", text="Radius")
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            col.separator()
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            col = flow.column(align=True)
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            col.prop(fluid, "velocity_strength", text="Velocity Strength")
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            col.prop(fluid, "velocity_radius", text="Radius")
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class PHYSICS_PT_fluid_settings(PhysicButtonsPanel, Panel):
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    bl_label = "Settings"
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    bl_parent_id = "PHYSICS_PT_fluid"
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        md = context.fluid
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        fluid = md.settings
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        if not PhysicButtonsPanel.poll_fluid_settings(context):
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            return False
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        return fluid.type in {'DOMAIN', 'FLUID', 'OBSTACLE', 'PARTICLE'} and (context.engine in cls.COMPAT_ENGINES)
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    def draw(self, context):
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        layout = self.layout
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        layout.use_property_split = True
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        md = context.fluid
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        fluid = md.settings
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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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        if fluid.type not in {'NONE', 'DOMAIN', 'PARTICLE', 'FLUID', 'OBSTACLE'}:
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            flow.active = fluid.use
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        if fluid.type == 'DOMAIN':
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            col = flow.column()
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            if bpy.app.build_options.openmp:
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                col.prop(fluid, "threads", text="Simulation Threads")
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                col.separator()
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            col.prop(fluid, "resolution", text="Final Resolution")
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            col.prop(fluid, "preview_resolution", text="Preview")
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            col.separator()
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            col = flow.column()
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            col.prop(fluid, "render_display_mode", text="Render Display")
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            col.prop(fluid, "viewport_display_mode", text="Viewport")
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            col.separator()
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            col = flow.column()
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            sub = col.column(align=True)
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            sub.prop(fluid, "start_time", text="Time Start")
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            sub.prop(fluid, "end_time", text="End")
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            col.prop(fluid, "simulation_rate", text="Speed")
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            col = flow.column()
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            col.prop(fluid, "use_speed_vectors")
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            col.prop(fluid, "use_reverse_frames")
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            col.prop(fluid, "frame_offset", text="Offset")
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        elif fluid.type == 'FLUID':
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            col = flow.column()
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            col.prop(fluid, "volume_initialization", text="Volume Initialization")
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            col.prop(fluid, "use_animated_mesh")
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            col = flow.column()
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            col.prop(fluid, "initial_velocity", text="Initial Velocity")
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        elif fluid.type == 'OBSTACLE':
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            col = flow.column()
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            col.prop(fluid, "volume_initialization", text="Volume Initialization")
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            col.prop(fluid, "use_animated_mesh")
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            col = flow.column()
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            subcol = col.column()
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            subcol.enabled = not fluid.use_animated_mesh
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            subcol.prop(fluid, "slip_type", text="Slip Type")
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            if fluid.slip_type == 'PARTIALSLIP':
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                subcol.prop(fluid, "partial_slip_factor", text="Amount", slider=True)
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            col.prop(fluid, "impact_factor", text="Impact Factor")
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        elif fluid.type == 'PARTICLE':
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            col = flow.column()
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            col.prop(fluid, "particle_influence", text="Influence Size")
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            col.prop(fluid, "alpha_influence", text="Alpha")
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            col = flow.column()
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            col.prop(fluid, "use_drops")
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            col.prop(fluid, "use_floats")
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            col.prop(fluid, "show_tracer")
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class PHYSICS_PT_fluid_particle_cache(PhysicButtonsPanel, Panel):
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    bl_label = "Cache"
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    bl_parent_id = "PHYSICS_PT_fluid"
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        if not PhysicButtonsPanel.poll_fluid_settings(context):
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            return False
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        md = context.fluid
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        return md and md.settings and (md.settings.type == 'PARTICLE') and (context.engine in cls.COMPAT_ENGINES)
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    def draw(self, context):
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        layout = self.layout
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        md = context.fluid
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        fluid = md.settings
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        layout.prop(fluid, "filepath", text="")
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class PHYSICS_PT_domain_bake(PhysicButtonsPanel, Panel):
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    bl_label = "Bake"
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    bl_parent_id = 'PHYSICS_PT_fluid'
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    bl_options = {'DEFAULT_CLOSED'}
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        if not PhysicButtonsPanel.poll_fluid_domain(context):
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            return False
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        return (context.engine in cls.COMPAT_ENGINES)
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    def draw(self, context):
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        layout = self.layout
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        md = context.fluid
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        fluid = md.settings
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        row = layout.row(align=True)
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        row.alignment = 'RIGHT'
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        row.label(text="Cache Path")
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        layout.prop(fluid, "filepath", text="")
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        # odd formatting here so translation script can extract string
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        layout.operator(
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            "fluid.bake", text=iface_("Bake (Req. Memory: %s)") % fluid.memory_estimate,
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            translate=False, icon='MOD_FLUIDSIM'
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        )
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class PHYSICS_PT_domain_gravity(PhysicButtonsPanel, Panel):
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    bl_label = "World"
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    bl_parent_id = 'PHYSICS_PT_fluid'
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    bl_options = {'DEFAULT_CLOSED'}
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        if not PhysicButtonsPanel.poll_fluid_domain(context):
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            return False
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        return (context.engine in cls.COMPAT_ENGINES)
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    def draw(self, context):
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        layout = self.layout
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        layout.use_property_split = True
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        fluid = context.fluid.settings
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        scene = context.scene
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        col = layout.column()
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        use_gravity = scene.use_gravity
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        use_units = scene.unit_settings.system != 'NONE'
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        if use_gravity or use_units:
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            s_gravity = " Gravity" if use_gravity else ""
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            s_units = " Units" if use_units else ""
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            s_and = " and " if use_gravity and use_units else ""
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            warn = f"Using {s_gravity}{s_and}{s_units} from Scene"
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            sub = col.column()
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            sub.alignment = 'RIGHT'
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            sub.label(text=warn)
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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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        sub = col.column()
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        sub.enabled = not use_gravity
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        sub.prop(fluid, "gravity", text="Gravity")
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        sub = col.column()
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        sub.enabled = not use_units
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        sub.prop(fluid, "simulation_scale", text="Scene Size Meters" if use_units else "World Size Meters")
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        col.separator()
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        col = flow.column()
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        col.prop(fluid, "grid_levels", text="Optimization", slider=True)
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        col.prop(fluid, "compressibility", slider=True)
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class PHYSICS_PT_domain_viscosity(PhysicButtonsPanel, Panel):
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    bl_label = "Viscosity"
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    bl_parent_id = 'PHYSICS_PT_fluid'
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    bl_options = {'DEFAULT_CLOSED'}
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        if not PhysicButtonsPanel.poll_fluid_domain(context):
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            return False
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        return (context.engine in cls.COMPAT_ENGINES)
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    def draw_header_preset(self, context):
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        FLUID_PT_presets.draw_panel_header(self.layout)
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    def draw(self, context):
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        layout = self.layout
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        layout.use_property_split = True
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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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        fluid = context.fluid.settings
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        col = flow.column()
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        col.prop(fluid, "viscosity_base", text="Base")
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        col = flow.column()
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        col.prop(fluid, "viscosity_exponent", text="Exponent", slider=True)
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class PHYSICS_PT_domain_boundary(PhysicButtonsPanel, Panel):
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    bl_label = "Boundary"
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    bl_parent_id = 'PHYSICS_PT_fluid'
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    bl_options = {'DEFAULT_CLOSED'}
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        if not PhysicButtonsPanel.poll_fluid_domain(context):
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            return False
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        return (context.engine in cls.COMPAT_ENGINES)
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    def draw(self, context):
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        layout = self.layout
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        layout.use_property_split = True
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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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        fluid = context.fluid.settings
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        col = flow.column()
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        col.prop(fluid, "slip_type", text="Type")
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        col.separator()
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        if fluid.slip_type == 'PARTIALSLIP':
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            col.prop(fluid, "partial_slip_factor", slider=True, text="Amount")
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        col = flow.column()
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        col.prop(fluid, "surface_smooth", text="Surface Smoothing")
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        col.prop(fluid, "surface_subdivisions", text="Subdivisions")
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        col.prop(fluid, "use_surface_noobs")
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class PHYSICS_PT_domain_particles(PhysicButtonsPanel, Panel):
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    bl_label = "Particles"
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    bl_parent_id = 'PHYSICS_PT_fluid'
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    bl_options = {'DEFAULT_CLOSED'}
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    COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE'}
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    @classmethod
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    def poll(cls, context):
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        if not PhysicButtonsPanel.poll_fluid_domain(context):
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            return False
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        return (context.engine in cls.COMPAT_ENGINES)
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    def draw(self, context):
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        layout = self.layout
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        layout.use_property_split = True
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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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        fluid = context.fluid.settings
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        col = flow.column()
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        col.prop(fluid, "tracer_particles", text="Tracer")
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						|
        col = flow.column()
 | 
						|
        col.prop(fluid, "generate_particles", text="Generate")
 | 
						|
 | 
						|
 | 
						|
classes = (
 | 
						|
    FLUID_PT_presets,
 | 
						|
    PHYSICS_PT_fluid,
 | 
						|
    PHYSICS_PT_fluid_settings,
 | 
						|
    PHYSICS_PT_fluid_flow,
 | 
						|
    PHYSICS_PT_fluid_particle_cache,
 | 
						|
    PHYSICS_PT_domain_bake,
 | 
						|
    PHYSICS_PT_domain_boundary,
 | 
						|
    PHYSICS_PT_domain_particles,
 | 
						|
    PHYSICS_PT_domain_gravity,
 | 
						|
    PHYSICS_PT_domain_viscosity,
 | 
						|
)
 | 
						|
 | 
						|
if __name__ == "__main__":  # only for live edit.
 | 
						|
    from bpy.utils import register_class
 | 
						|
    for cls in classes:
 | 
						|
        register_class(cls)
 |