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# gpl: author Rebellion
import bpy
from bpy.types import Operator
from bpy.props import BoolProperty
def add_lamps(self, context):
if self.bKeyLight:
keyLight = bpy.data.lamps.new(name="Key_Light", type="SPOT")
ob = bpy.data.objects.new("Key_Light", keyLight)
constraint = ob.constraints.new(type='COPY_LOCATION')
constraint.use_offset = True
constraint.owner_space = 'LOCAL'
constraint.target = self.camera
constraint = ob.constraints.new(type='TRACK_TO')
constraint.target = self.target
constraint.track_axis = 'TRACK_NEGATIVE_Z'
constraint.up_axis = 'UP_X'
constraint.owner_space = 'LOCAL'
bpy.context.scene.objects.link(ob)
ob.rotation_euler[2] = -0.785398
if self.bFillLight:
fillLight = bpy.data.lamps.new(name="Fill_Light", type="SPOT")
ob = bpy.data.objects.new("Fill_Light", fillLight)
constraint = ob.constraints.new(type='COPY_LOCATION')
constraint.use_offset = True
constraint.owner_space = 'LOCAL'
constraint.target = self.camera
constraint = ob.constraints.new(type='TRACK_TO')
constraint.target = self.target
constraint.track_axis = 'TRACK_NEGATIVE_Z'
constraint.up_axis = 'UP_X'
constraint.owner_space = 'LOCAL'
bpy.context.scene.objects.link(ob)
ob.rotation_euler[2] = 0.785398
ob.data.energy = 0.3
if self.bBackLight:
backLight = bpy.data.lamps.new(name="Back_Light", type="SPOT")
ob = bpy.data.objects.new("Back_Light", backLight)
constraint = ob.constraints.new(type='COPY_LOCATION')
constraint.use_offset = True
constraint.owner_space = 'LOCAL'
constraint.target = self.camera
constraint = ob.constraints.new(type='TRACK_TO')
constraint.target = self.target
constraint.track_axis = 'TRACK_NEGATIVE_Z'
constraint.up_axis = 'UP_X'
constraint.owner_space = 'LOCAL'
bpy.context.scene.objects.link(ob)
ob.rotation_euler[2] = 3.14159
ob.data.energy = 0.2
if self.camera_constraint and self.camera is not None and \
self.camera.type == "CAMERA":
constraint = self.camera.constraints.new(type='TRACK_TO')
constraint.target = self.target
constraint.track_axis = 'TRACK_NEGATIVE_Z'
constraint.up_axis = 'UP_Y'
class OBJECT_OT_add_light_template(Operator):
bl_idname = "object.add_light_template"
bl_label = "Add Light Template"
bl_description = ("Add Key, Fill and Back Lights to the Scene\n"
"Needs an existing Active Object")
bl_options = {'REGISTER', 'UNDO'}
camera = None
target = None
bKeyLight = BoolProperty(
name="Key Light",
description="Enable Key Light in the Scene",
default=True
)
bFillLight = BoolProperty(
name="Fill Light",
description="Enable Fill Light in the Scene",
default=True
)
bBackLight = BoolProperty(
name="Back Light",
description="Enable Back Light in the Scene",
default=True
)
camera_constraint = BoolProperty(
name="Camera Constraint",
description="Add a Constraint to the Camera Object",
default=False
)
@classmethod
def poll(cls, context):
return context.active_object is not None
def execute(self, context):
try:
objects = context.selected_objects
if len(objects) == 2:
for ob in objects:
if ob.type == 'CAMERA':
self.camera = ob
else:
self.target = ob
elif len(objects) == 1:
if objects[0].type == 'CAMERA':
self.camera = objects[0]
bpy.ops.object.empty_add()
self.target = context.active_object
else:
self.camera = context.scene.camera
self.target = context.active_object
elif len(objects) == 0:
bpy.ops.object.empty_add()
self.target = context.active_object
self.camera = context.scene.camera
add_lamps(self, context)
except Exception as e:
self.report({'WARNING'},
"Some operations could not be performed (See Console for more info)")
print("\n[Add Advanced Objects]\nOperator: "
"object.add_light_template\nError: {}".format(e))
return {'FINISHED'}
def register():
bpy.utils.register_class(OBJECT_OT_add_light_template)
def unregister():
bpy.utils.unregister_class(OBJECT_OT_add_light_template)
if __name__ == "__main__":
register()
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