Browse Source

Merge pull request #30 from Hoikas/lightmaps

Lightmap Modifier Refactor
pull/35/head
Adam Johnson 9 years ago
parent
commit
26cca8889a
  1. 10
      korman/exporter/convert.py
  2. 332
      korman/exporter/etlight.py
  3. 19
      korman/exporter/mesh.py
  4. 16
      korman/helpers.py
  5. 13
      korman/operators/op_export.py
  6. 231
      korman/operators/op_lightmap.py
  7. 8
      korman/properties/modifiers/render.py
  8. 1
      korman/ui/modifiers/render.py

10
korman/exporter/convert.py

@ -20,6 +20,7 @@ import time
from . import animation from . import animation
from . import explosions from . import explosions
from . import etlight
from . import logger from . import logger
from . import manager from . import manager
from . import mesh from . import mesh
@ -65,6 +66,11 @@ class Exporter:
# that the artist made requires something to have a CoordinateInterface # that the artist made requires something to have a CoordinateInterface
self._harvest_actors() self._harvest_actors()
# Step 2.9: It is assumed that static lighting is available for the mesh exporter.
# Indeed, in PyPRP it was a manual step. So... BAKE NAO!
if self._op.bake_lighting:
self._bake_static_lighting()
# Step 3: Export all the things! # Step 3: Export all the things!
self._export_scene_objects() self._export_scene_objects()
@ -91,6 +97,10 @@ class Exporter:
end = time.process_time() end = time.process_time()
print("\nExported {}.age in {:.2f} seconds".format(self.age_name, end-start)) print("\nExported {}.age in {:.2f} seconds".format(self.age_name, end-start))
def _bake_static_lighting(self):
oven = etlight.LightBaker()
oven.bake_static_lighting(self._objects)
def _collect_objects(self): def _collect_objects(self):
# Grab a naive listing of enabled pages # Grab a naive listing of enabled pages
age = bpy.context.scene.world.plasma_age age = bpy.context.scene.world.plasma_age

332
korman/exporter/etlight.py

@ -0,0 +1,332 @@
# This file is part of Korman.
#
# Korman is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Korman is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Korman. If not, see <http://www.gnu.org/licenses/>.
import bpy
from bpy.app.handlers import persistent
from .mesh import _VERTEX_COLOR_LAYERS
from ..helpers import *
_NUM_RENDER_LAYERS = 20
class LightBaker:
"""ExportTime Lighting"""
def __init__(self):
self._lightgroups = {}
self._uvtexs = {}
def _apply_render_settings(self, toggle):
render = bpy.context.scene.render
toggle.track(render, "use_textures", False)
toggle.track(render, "use_shadows", True)
toggle.track(render, "use_envmaps", False)
toggle.track(render, "use_raytrace", True)
toggle.track(render, "bake_type", "FULL")
toggle.track(render, "use_bake_clear", True)
def _associate_image_with_uvtex(self, uvtex, im):
# Associate the image with all the new UVs
# NOTE: no toggle here because it's the artist's problem if they are looking at our
# super swagalicious LIGHTMAPGEN uvtexture...
for i in uvtex.data:
i.image = im
def _bake_lightmaps(self, objs, layers, toggle):
scene = bpy.context.scene
scene.layers = layers
toggle.track(scene.render, "use_bake_to_vertex_color", False)
self._select_only(objs)
bpy.ops.object.bake_image()
def _bake_vcols(self, objs, toggle):
bpy.context.scene.layers = (True,) * _NUM_RENDER_LAYERS
toggle.track(bpy.context.scene.render, "use_bake_to_vertex_color", True)
self._select_only(objs)
bpy.ops.object.bake_image()
def bake_static_lighting(self, objs):
"""Bakes all static lighting for Plasma geometry"""
print("\nBaking Static Lighting...")
bake = self._harvest_bakable_objects(objs)
with GoodNeighbor() as toggle:
try:
# reduce the amount of indentation
self._bake_static_lighting(bake, toggle)
finally:
# this stuff has been observed to be problematic with GoodNeighbor
self._pop_lightgroups()
self._restore_uvtexs()
def _bake_static_lighting(self, bake, toggle):
# Step 0.9: Make all layers visible.
# This prevents context operators from phailing.
bpy.context.scene.layers = (True,) * _NUM_RENDER_LAYERS
# Step 1: Prepare... Apply UVs, etc, etc, etc
for key, value in bake.copy().items():
if key[0] == "lightmap":
for i in value:
if not self._prep_for_lightmap(i, toggle):
bake[key].remove(i)
elif key[0] == "vcol":
for i in value:
if not self._prep_for_vcols(i, toggle):
bake[key].remove(i)
else:
raise RuntimeError(key[0])
# Step 2: BAKE!
self._apply_render_settings(toggle)
for key, value in bake.items():
if not value:
continue
if key[0] == "lightmap":
print(" {} Lightmap(s) [H:{:X}]".format(len(value), hash(key)))
self._bake_lightmaps(value, key[1:], toggle)
elif key[0] == "vcol":
print(" {} Crap Light(s)".format(len(value)))
self._bake_vcols(value, toggle)
else:
raise RuntimeError(key[0])
def _generate_lightgroup(self, mesh, user_lg=None):
"""Makes a new light group for the baking process that excludes all Plasma RT lamps"""
if user_lg is not None:
user_lg = bpy.data.groups.get(user_lg)
shouldibake = (user_lg and user_lg.objects)
for material in mesh.materials:
if material is None:
# material is not assigned to this material... (why is this even a thing?)
continue
# Already done it?
name = material.name
lg = material.light_group
if name in self._lightgroups:
# No, this is not Pythonic, but bpy_prop_collection is always "True",
# even when empty. Sigh.
return bool(len(lg.objects))
else:
self._lightgroups[name] = lg
if user_lg is None:
if not lg or len(lg.objects) == 0:
source = [i for i in bpy.data.objects if i.type == "LAMP"]
else:
source = lg.objects
dest = bpy.data.groups.new("_LIGHTMAPGEN_{}".format(name))
# Only use non-RT lights
for obj in source:
if obj.plasma_object.enabled:
continue
dest.objects.link(obj)
shouldibake = True
else:
dest = user_lg
material.light_group = dest
return shouldibake
def _get_lightmap_uvtex(self, mesh, modifier):
if modifier.uv_map:
return mesh.uv_textures[modifier.uv_map]
for i in mesh.uv_textures:
if i.name != "LIGHTMAPGEN":
return i
return None
def _harvest_bakable_objects(self, objs):
# The goal here is to minimize the calls to bake_image, so we are going to collect everything
# that needs to be baked and sort it out by configuration.
bake = { ("vcol",): [] }
for i in objs:
if i.type != "MESH":
continue
mods = i.plasma_modifiers
if mods.lightmap.enabled:
key = ("lightmap",) + tuple(mods.lightmap.render_layers)
if key in bake:
bake[key].append(i)
else:
bake[key] = [i,]
elif not mods.water_basic.enabled:
vcols = i.data.vertex_colors
for j in _VERTEX_COLOR_LAYERS:
if j in vcols:
break
else:
bake[("vcol",)].append(i)
return bake
def _pop_lightgroups(self):
for mat_name, lg in self._lightgroups.items():
material = bpy.data.materials[mat_name]
_fake = material.light_group
if _fake is not None and _fake.name.startswith("_LIGHTMAPGEN"):
for i in _fake.objects:
_fake.objects.unlink(i)
_fake.user_clear()
bpy.data.groups.remove(_fake)
material.light_group = lg
self._lightgroups.clear()
def _prep_for_lightmap(self, bo, toggle):
mesh = bo.data
modifier = bo.plasma_modifiers.lightmap
uv_textures = mesh.uv_textures
# Create a special light group for baking
if not self._generate_lightgroup(mesh, modifier.light_group):
return False
# We need to ensure that we bake onto the "BlahObject_LIGHTMAPGEN" image
data_images = bpy.data.images
im_name = "{}_LIGHTMAPGEN.png".format(bo.name)
size = modifier.resolution
im = data_images.get(im_name)
if im is None:
im = data_images.new(im_name, width=size, height=size)
elif im.size[0] != size:
# Force delete and recreate the image because the size is out of date
im.user_clear()
data_images.remove(im)
im = data_images.new(im_name, width=size, height=size)
# If there is a cached LIGHTMAPGEN uvtexture, nuke it
uvtex = uv_textures.get("LIGHTMAPGEN", None)
if uvtex is not None:
uv_textures.remove(uvtex)
# Make sure the object can be baked to. NOTE this also makes sure we can enter edit mode
# TROLLING LOL LOL LOL
toggle.track(bo, "hide", False)
toggle.track(bo, "hide_render", False)
toggle.track(bo, "hide_select", False)
# Because the way Blender tracks active UV layers is massively stupid...
self._uvtexs[mesh.name] = uv_textures.active.name
# We must make this the active object before touching any operators
bpy.context.scene.objects.active = bo
# Originally, we used the lightmap unpack UV operator to make our UV texture, however,
# this tended to create sharp edges. There was already a discussion about this on the
# Guild of Writers forum, so I'm implementing a code version of dendwaler's process,
# as detailed here: https://forum.guildofwriters.org/viewtopic.php?p=62572#p62572
uv_base = self._get_lightmap_uvtex(mesh, modifier)
if uv_base is not None:
uv_textures.active = uv_base
# this will copy the UVs to the new UV texture
uvtex = uv_textures.new("LIGHTMAPGEN")
uv_textures.active = uvtex
self._associate_image_with_uvtex(uvtex, im)
# here we go...
bpy.ops.object.mode_set(mode="EDIT")
bpy.ops.mesh.select_all(action="SELECT")
bpy.ops.uv.average_islands_scale()
bpy.ops.uv.pack_islands()
else:
# same thread, see Sirius's suggestion RE smart unwrap. this seems to yield good
# results in my tests. it will be good enough for quick exports.
uvtex = uv_textures.new("LIGHTMAPGEN")
self._associate_image_with_uvtex(uvtex, im)
bpy.ops.object.mode_set(mode="EDIT")
bpy.ops.mesh.select_all(action="SELECT")
bpy.ops.uv.smart_project()
bpy.ops.object.mode_set(mode="OBJECT")
# Now, set the new LIGHTMAPGEN uv layer as what we want to render to...
# NOTE that this will need to be reset by us to what the user had previously
# Not using toggle.track due to observed oddities
for i in uv_textures:
value = i.name == "LIGHTMAPGEN"
i.active = value
i.active_render = value
# Indicate we should bake
return True
def _prep_for_vcols(self, bo, toggle):
mesh = bo.data
vcols = mesh.vertex_colors
# Create a special light group for baking
if not self._generate_lightgroup(mesh):
return False
# Make sure the object can be baked to. NOTE this also makes sure we can enter edit mode
# TROLLING LOL LOL LOL
toggle.track(bo, "hide", False)
toggle.track(bo, "hide_render", False)
toggle.track(bo, "hide_select", False)
# I have heard tale of some moar "No valid image to bake to" boogs if there is a really
# old copy of the autocolor layer on the mesh. Nuke it.
autocolor = vcols.get("autocolor")
if autocolor is not None:
vcols.remove(autocolor)
autocolor = vcols.new("autocolor")
toggle.track(vcols, "active", autocolor)
# Mark "autocolor" as our active render layer
for vcol_layer in mesh.vertex_colors:
autocol = vcol_layer.name == "autocolor"
toggle.track(vcol_layer, "active_render", autocol)
toggle.track(vcol_layer, "active", autocol)
mesh.update()
# Indicate we should bake
return True
def _restore_uvtexs(self):
for mesh_name, uvtex_name in self._uvtexs.items():
mesh = bpy.data.meshes[mesh_name]
for i in mesh.uv_textures:
i.active = uvtex_name == i.name
mesh.uv_textures.active = mesh.uv_textures[uvtex_name]
def _select_only(self, objs):
if isinstance(objs, bpy.types.Object):
for i in bpy.data.objects:
i.select = i == objs
else:
for i in bpy.data.objects:
i.select = i in objs
@persistent
def _toss_garbage(scene):
"""Removes all LIGHTMAPGEN and autocolor garbage before saving"""
for i in bpy.data.images:
if i.name.endswith("_LIGHTMAPGEN.png"):
i.user_clear()
bpy.data.images.remove(i)
for i in bpy.data.meshes:
for uv_tex in i.uv_textures:
if uv_tex.name == "LIGHTMAPGEN":
i.uv_textures.remove(uv_tex)
for vcol in i.vertex_colors:
if vcol.name == "autocolor":
i.vertex_colors.remove(vcol)
# collects light baking garbage
bpy.app.handlers.save_pre.append(_toss_garbage)

19
korman/exporter/mesh.py

@ -278,9 +278,6 @@ class MeshConverter:
if not materials: if not materials:
return None return None
# Step 0.9: If this mesh wants to be lit, we need to go ahead and generate it.
self._export_static_lighting(bo)
with helpers.TemporaryObject(mesh, bpy.data.meshes.remove): with helpers.TemporaryObject(mesh, bpy.data.meshes.remove):
# Step 1: Export all of the doggone materials. # Step 1: Export all of the doggone materials.
geospans = self._export_material_spans(bo, mesh, materials) geospans = self._export_material_spans(bo, mesh, materials)
@ -330,22 +327,6 @@ class MeshConverter:
geospans[i] = (self._create_geospan(bo, mesh, blmat, matKey), blmat.pass_index) geospans[i] = (self._create_geospan(bo, mesh, blmat, matKey), blmat.pass_index)
return geospans return geospans
def _export_static_lighting(self, bo):
bpy.context.scene.objects.active = bo
mods = bo.plasma_modifiers
lm = mods.lightmap
if lm.enabled:
print(" Baking lightmap...")
bpy.ops.object.plasma_lightmap_autobake(light_group=lm.light_group)
elif not mods.water_basic.enabled:
for vcol_layer in bo.data.vertex_colors:
name = vcol_layer.name.lower()
if name in _VERTEX_COLOR_LAYERS:
break
else:
print(" Baking crappy vertex color lighting...")
bpy.ops.object.plasma_vertexlight_autobake()
def _find_create_dspan(self, bo, hsgmat, pass_index): def _find_create_dspan(self, bo, hsgmat, pass_index):
location = self._mgr.get_location(bo) location = self._mgr.get_location(bo)
if location not in self._dspans: if location not in self._dspans:

16
korman/helpers.py

@ -47,22 +47,6 @@ class TemporaryObject:
return getattr(self._obj, attr) return getattr(self._obj, attr)
def ensure_object_can_bake(bo, toggle):
"""Ensures that we can use Blender's baking operators on this object. Side effect: also ensures
that the object will enter edit mode when requested."""
scene = bpy.context.scene
# we don't toggle.track this because it actually updates some kind of Blender internals...
# therefore the old and new value are equal. the export operator will take care of this for us
scene.layers = (True,) * len(scene.layers)
toggle.track(bo, "hide", False)
toggle.track(bo, "hide_render", False)
toggle.track(bo, "hide_select", False)
# Ensure only this object is selected
for i in bpy.data.objects:
i.select = i == bo
def ensure_power_of_two(value): def ensure_power_of_two(value):
return pow(2, math.floor(math.log(value, 2))) return pow(2, math.floor(math.log(value, 2)))

13
korman/operators/op_export.py

@ -37,13 +37,9 @@ class ExportOperator(bpy.types.Operator):
"description": "Profiles the exporter using cProfile", "description": "Profiles the exporter using cProfile",
"default": False}), "default": False}),
"regenerate_lightmaps": (BoolProperty, {"name": "Regenerate Lightmaps", "bake_lighting": (BoolProperty, {"name": "Bake Static Lights",
"description": "(Re-)Bake all lightmaps on export", "description": "Bake all lightmaps and vertex shading on export",
"default": True}), "default": True}),
"regenerate_shading": (BoolProperty, {"name": "Regenerate Vertex Shading",
"description": "(Re-)Bake all vertex shading on export",
"default": True}),
"version": (EnumProperty, {"name": "Version", "version": (EnumProperty, {"name": "Version",
"description": "Version of the Plasma Engine to target", "description": "Version of the Plasma Engine to target",
@ -60,8 +56,7 @@ class ExportOperator(bpy.types.Operator):
# The crazy mess we're doing with props on the fly means we have to explicitly draw them :( # The crazy mess we're doing with props on the fly means we have to explicitly draw them :(
layout.prop(age, "version") layout.prop(age, "version")
layout.prop(age, "regenerate_lightmaps") layout.prop(age, "bake_lighting")
layout.prop(age, "regenerate_shading")
layout.prop(age, "profile_export") layout.prop(age, "profile_export")
def __getattr__(self, attr): def __getattr__(self, attr):

231
korman/operators/op_lightmap.py

@ -15,192 +15,16 @@
import bpy import bpy
from bpy.props import * from bpy.props import *
from ..helpers import *
def _fetch_lamp_objects(): from ..exporter.etlight import LightBaker
for obj in bpy.data.objects:
if obj.type == "LAMP":
yield obj
class _LightingOperator: class _LightingOperator:
def __init__(self):
self._old_lightgroups = {}
@classmethod @classmethod
def poll(cls, context): def poll(cls, context):
if context.object is not None: if context.object is not None:
return context.scene.render.engine == "PLASMA_GAME" return context.scene.render.engine == "PLASMA_GAME"
def _apply_render_settings(self, render, toggle):
toggle.track(render, "use_textures", False)
toggle.track(render, "use_shadows", True)
toggle.track(render, "use_envmaps", False)
toggle.track(render, "use_raytrace", True)
toggle.track(render, "bake_type", "FULL")
toggle.track(render, "use_bake_clear", True)
def _generate_lightgroups(self, mesh, user_lg=None):
"""Makes a new light group for the baking process that excludes all Plasma RT lamps"""
shouldibake = (user_lg and user_lg.objects)
for material in mesh.materials:
if material is None:
# material is not assigned to this material... (why is this even a thing?)
continue
lg = material.light_group
self._old_lightgroups[material] = lg
if user_lg is None:
# TODO: faux-lightgroup caching for the entire export process. you dig?
if not lg or len(lg.objects) == 0:
source = _fetch_lamp_objects()
else:
source = lg.objects
dest = bpy.data.groups.new("_LIGHTMAPGEN_{}".format(material.name))
# Only use non-RT lights
for obj in source:
if obj.plasma_object.enabled:
continue
dest.objects.link(obj)
shouldibake = True
else:
dest = user_lg
material.light_group = dest
return shouldibake
def _pop_lightgroups(self):
for material, lg in self._old_lightgroups.items():
_fake = material.light_group
if _fake is not None and _fake.name.startswith("_LIGHTMAPGEN"):
for i in _fake.objects:
_fake.objects.unlink(i)
_fake.user_clear()
bpy.data.groups.remove(_fake)
material.light_group = lg
self._old_lightgroups.clear()
class LightmapAutobakeOperator(_LightingOperator, bpy.types.Operator):
bl_idname = "object.plasma_lightmap_autobake"
bl_label = "Bake Lightmap"
bl_options = {"INTERNAL"}
light_group = StringProperty(name="Light Group")
force = BoolProperty(name="Force Lightmap Generation", default=False)
def __init__(self):
super().__init__()
def _associate_image_with_uvtex(self, uvtex, im):
# Associate the image with all the new UVs
# NOTE: no toggle here because it's the artist's problem if they are looking at our
# super swagalicious LIGHTMAPGEN uvtexture...
for i in uvtex.data:
i.image = im
def _get_base_uvtex(self, mesh, modifier):
if modifier.uv_map:
return mesh.uv_textures[modifier.uv_map]
for i in mesh.uv_textures:
if i.name != "LIGHTMAPGEN":
return i
return None
def execute(self, context):
obj = context.active_object
mesh = obj.data
modifier = obj.plasma_modifiers.lightmap
uv_textures = mesh.uv_textures
with GoodNeighbor() as toggle:
# We need to ensure that we bake onto the "BlahObject_LIGHTMAPGEN" image
data_images = bpy.data.images
im_name = "{}_LIGHTMAPGEN.png".format(obj.name)
size = modifier.resolution
im = data_images.get(im_name)
if im is None:
im = data_images.new(im_name, width=size, height=size)
elif im.size[0] != size:
# Force delete and recreate the image because the size is out of date
im.user_clear()
data_images.remove(im)
im = data_images.new(im_name, width=size, height=size)
elif not (context.scene.world.plasma_age.regenerate_lightmaps or self.force):
# we have a lightmap that matches our specs, so what gives???
# this baking process is one slow thing. only do it if the user wants us to!
return {"CANCELLED"}
# If there is a cached LIGHTMAPGEN uvtexture, nuke it
uvtex = uv_textures.get("LIGHTMAPGEN", None)
if uvtex is not None:
uv_textures.remove(uvtex)
# Make sure the object can be baked to. NOTE this also makes sure we can enter edit mode
# TROLLING LOL LOL LOL
ensure_object_can_bake(obj, toggle)
# Because the way Blender tracks active UV layers is massively stupid...
og_uv_map = uv_textures.active
# Originally, we used the lightmap unpack UV operator to make our UV texture, however,
# this tended to create sharp edges. There was already a discussion about this on the
# Guild of Writers forum, so I'm implementing a code version of dendwaler's process,
# as detailed here: http://forum.guildofwriters.org/viewtopic.php?p=62572#p62572
uv_base = self._get_base_uvtex(mesh, modifier)
if uv_base is not None:
uv_textures.active = uv_base
# this will copy the UVs to the new UV texture
uvtex = uv_textures.new("LIGHTMAPGEN")
uv_textures.active = uvtex
self._associate_image_with_uvtex(uvtex, im)
# here we go...
bpy.ops.object.mode_set(mode="EDIT")
bpy.ops.mesh.select_all(action="SELECT")
bpy.ops.uv.average_islands_scale()
bpy.ops.uv.pack_islands()
else:
# same thread, see Sirius's suggestion RE smart unwrap. this seems to yield good
# results in my tests. it will be good enough for quick exports.
uvtex = uv_textures.new("LIGHTMAPGEN")
self._associate_image_with_uvtex(uvtex, im)
bpy.ops.object.mode_set(mode="EDIT")
bpy.ops.mesh.select_all(action="SELECT")
bpy.ops.uv.smart_project()
bpy.ops.object.mode_set(mode="OBJECT")
# Now, set the new LIGHTMAPGEN uv layer as what we want to render to...
for i in uv_textures:
value = i.name == "LIGHTMAPGEN"
i.active = value
i.active_render = value
# Bake settings
render = context.scene.render
toggle.track(render, "use_bake_to_vertex_color", False)
self._apply_render_settings(render, toggle)
# Now, we *finally* bake the lightmap...
try:
light_group = bpy.data.groups[self.light_group] if self.light_group else None
if self._generate_lightgroups(mesh, light_group):
bpy.ops.object.bake_image()
im.pack(as_png=True)
self._pop_lightgroups()
finally:
for i, uv_tex in enumerate(uv_textures):
# once this executes the og_uv_map is apparently no longer in the UVTextures :/
# search by name to find the REAL uv texture that we need.
if uv_tex.name == og_uv_map.name:
uv_textures.active = uv_tex
uv_textures.active_index = i
break
# Done!
return {"FINISHED"}
class LightmapAutobakePreviewOperator(_LightingOperator, bpy.types.Operator): class LightmapAutobakePreviewOperator(_LightingOperator, bpy.types.Operator):
bl_idname = "object.plasma_lightmap_preview" bl_idname = "object.plasma_lightmap_preview"
@ -213,7 +37,8 @@ class LightmapAutobakePreviewOperator(_LightingOperator, bpy.types.Operator):
super().__init__() super().__init__()
def execute(self, context): def execute(self, context):
bpy.ops.object.plasma_lightmap_autobake(light_group=self.light_group, force=True) bake = LightBaker()
bake.bake_static_lighting([context.active_object,])
tex = bpy.data.textures.get("LIGHTMAPGEN_PREVIEW") tex = bpy.data.textures.get("LIGHTMAPGEN_PREVIEW")
if tex is None: if tex is None:
@ -222,53 +47,3 @@ class LightmapAutobakePreviewOperator(_LightingOperator, bpy.types.Operator):
tex.image = bpy.data.images["{}_LIGHTMAPGEN.png".format(context.active_object.name)] tex.image = bpy.data.images["{}_LIGHTMAPGEN.png".format(context.active_object.name)]
return {"FINISHED"} return {"FINISHED"}
class VertexColorLightingOperator(_LightingOperator, bpy.types.Operator):
bl_idname = "object.plasma_vertexlight_autobake"
bl_label = "Bake Vertex Color Lighting"
bl_options = {"INTERNAL"}
def __init__(self):
super().__init__()
def execute(self, context):
with GoodNeighbor() as toggle:
obj = context.active_object
mesh = obj.data
vcols = mesh.vertex_colors
# I have heard tale of some moar "No valid image to bake to" boogs if there is a really
# old copy of the autocolor layer on the mesh. Nuke it.
autocolor = vcols.get("autocolor")
if autocolor is not None:
if context.scene.world.plasma_age.regenerate_shading:
vcols.remove(autocolor)
else:
# we have autocolor already, don't regenerate it because they don't want it
return {"CANCELLED"}
autocolor = vcols.new("autocolor")
toggle.track(vcols, "active", autocolor)
# Mark "autocolor" as our active render layer
for vcol_layer in mesh.vertex_colors:
autocol = vcol_layer.name == "autocolor"
toggle.track(vcol_layer, "active_render", autocol)
toggle.track(vcol_layer, "active", autocol)
mesh.update()
# Bake settings
render = context.scene.render
toggle.track(render, "use_bake_to_vertex_color", True)
self._apply_render_settings(render, toggle)
# Really and truly make sure we can bake...
ensure_object_can_bake(obj, toggle)
# Bake
if self._generate_lightgroups(mesh):
bpy.ops.object.bake_image()
self._pop_lightgroups()
# And done!
return {"FINISHED"}

8
korman/properties/modifiers/render.py

@ -19,6 +19,7 @@ from bpy.props import *
from PyHSPlasma import * from PyHSPlasma import *
from .base import PlasmaModifierProperties from .base import PlasmaModifierProperties
from ...exporter.etlight import _NUM_RENDER_LAYERS
from ...exporter import utils from ...exporter import utils
from ...exporter.explosions import ExportError from ...exporter.explosions import ExportError
@ -93,6 +94,13 @@ class PlasmaLightMapGen(PlasmaModifierProperties):
("1024", "1024px", "1024x1024 pixels"), ("1024", "1024px", "1024x1024 pixels"),
]) ])
render_layers = BoolVectorProperty(name="Layers",
description="Render layers to use for baking",
options=set(),
subtype="LAYER",
size=_NUM_RENDER_LAYERS,
default=((True,) * _NUM_RENDER_LAYERS))
light_group = StringProperty(name="Light Group", light_group = StringProperty(name="Light Group",
description="Group that defines the collection of lights to bake") description="Group that defines the collection of lights to bake")

1
korman/ui/modifiers/render.py

@ -23,6 +23,7 @@ def followmod(modifier, layout, context):
def lightmap(modifier, layout, context): def lightmap(modifier, layout, context):
layout.row(align=True).prop(modifier, "quality", expand=True) layout.row(align=True).prop(modifier, "quality", expand=True)
layout.prop(modifier, "render_layers", text="Active Render Layers")
layout.prop_search(modifier, "light_group", bpy.data, "groups", icon="GROUP") layout.prop_search(modifier, "light_group", bpy.data, "groups", icon="GROUP")
layout.prop_search(modifier, "uv_map", context.active_object.data, "uv_textures") layout.prop_search(modifier, "uv_map", context.active_object.data, "uv_textures")

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