osci-render/blender/osci_render/__init__.py

332 wiersze
11 KiB
Python

bl_info = {
"name": "osci-render",
"author": "James Ball",
"version": (1, 1, 0),
"blender": (3, 1, 2),
"location": "View3D",
"description": "Addon to send gpencil frames over to osci-render",
"warning": "Requires a camera and gpencil object",
"wiki_url": "https://github.com/jameshball/osci-render",
"category": "Development",
}
import bpy
import os
import bmesh
import socket
import json
import atexit
import struct
import base64
from bpy.props import StringProperty
from bpy.app.handlers import persistent
from bpy_extras.io_utils import ImportHelper
HOST = "localhost"
PORT = 51677
sock = None
GPLA_MAJOR = 2
GPLA_MINOR = 0
GPLA_PATCH = 0
class OBJECT_PT_osci_render_settings(bpy.types.Panel):
bl_idname = "OBJECT_PT_osci_render_settings"
bl_label = "osci-render settings"
bl_space_type = "PROPERTIES"
bl_region_type = "WINDOW"
bl_context = "render"
def draw_header(self, context):
layout = self.layout
def draw(self, context):
self.layout.prop(context.scene, "oscirenderPort")
global sock
if sock is None:
self.layout.operator("render.osci_render_connect", text="Connect to osci-render instance")
else:
self.layout.operator("render.osci_render_close", text="Close osci-render connection")
self.layout.operator("render.osci_render_save", text="Save line art to file")
class osci_render_connect(bpy.types.Operator):
bl_label = "Connect to osci-render"
bl_idname = "render.osci_render_connect"
bl_description = "Connect to osci-render"
def execute(self, context):
global sock
if sock is None:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(1)
sock.connect((HOST, context.scene.oscirenderPort))
send_scene_to_osci_render(bpy.context.scene)
except socket.error as exp:
sock = None
self.report({"WARNING"}, "Failed to connect to osci-render - make sure it is running first!")
return {"CANCELLED"}
return {"FINISHED"}
class osci_render_save(bpy.types.Operator, ImportHelper):
bl_label = "Save Line Art"
bl_idname = "render.osci_render_save"
bl_description = "Save line art to the chosen file"
filename_ext = ".gpla"
filter_glob: StringProperty(
default="*.gpla",
options={"HIDDEN"}
)
def execute(self, context):
FilePath = self.filepath
filename, extension = os.path.splitext(self.filepath)
if extension != ".gpla":
extension = ".gpla"
FilePath = FilePath + ".gpla"
self.report({"INFO"}, FilePath)
if filename is not None and extension is not None:
fin = save_scene_to_file(bpy.context.scene, FilePath)
if fin == 0:
self.report({"INFO"}, "File write successful!")
return {"FINISHED"}
else:
self.report({"WARNING"}, "Something went wrong in saving the file")
else:
filename = None
extension = None
self.report({"WARNING"}, "The filename or extension isn't right, action stopped for your own safety")
return {"CANCELLED"}
class osci_render_close(bpy.types.Operator):
bl_label = "Close osci-render connection"
bl_idname = "render.osci_render_close"
def execute(self, context):
close_osci_render()
return {"FINISHED"}
@persistent
def close_osci_render():
global sock
if sock is not None:
try:
sock.send("CLOSE\n".encode('utf-8'))
sock.close()
except socket.error as exp:
sock = None
def get_gpla_file_allframes(scene):
bin = bytearray()
# header
bin.extend(("GPLA ").encode("utf8"))
bin.extend(GPLA_MAJOR.to_bytes(8, "little"))
bin.extend(GPLA_MINOR.to_bytes(8, "little"))
bin.extend(GPLA_PATCH.to_bytes(8, "little"))
# file info
bin.extend(("FILE ").encode("utf8"))
bin.extend(("fCount ").encode("utf8"))
bin.extend((scene.frame_end - scene.frame_start + 1).to_bytes(8, "little"))
bin.extend(("fRate ").encode("utf8"))
bin.extend(scene.render.fps.to_bytes(8, "little"))
bin.extend(("DONE ").encode("utf8"))
for frame in range(0, scene.frame_end - scene.frame_start + 1):
scene.frame_set(frame + scene.frame_start)
bin.extend(get_frame_info_binary())
bin.extend(("END GPLA").encode("utf8"))
return bin
def get_gpla_file(scene):
bin = bytearray()
# header
bin.extend(("GPLA ").encode("utf8"))
bin.extend(GPLA_MAJOR.to_bytes(8, "little"))
bin.extend(GPLA_MINOR.to_bytes(8, "little"))
bin.extend(GPLA_PATCH.to_bytes(8, "little"))
# file info
bin.extend(("FILE ").encode("utf8"))
bin.extend(("fCount ").encode("utf8"))
bin.extend((scene.frame_end - scene.frame_start + 1).to_bytes(8, "little"))
bin.extend(("fRate ").encode("utf8"))
bin.extend(scene.render.fps.to_bytes(8, "little"))
bin.extend(("DONE ").encode("utf8"))
bin.extend(get_frame_info_binary())
bin.extend(("END GPLA").encode("utf8"))
return bin
@persistent
def save_scene_to_file(scene, file_path):
return_frame = scene.frame_current
bin = get_gpla_file_allframes(scene)
if file_path is not None:
with open(file_path, "wb") as f:
f.write(bytes(bin))
else:
return 1
scene.frame_set(return_frame)
return 0
def get_frame_info_binary():
frame_info = bytearray()
frame_info.extend(("FRAME ").encode("utf8"))
frame_info.extend(("focalLen").encode("utf8"))
frame_info.extend(struct.pack("d", -0.05 * bpy.data.cameras[0].lens))
frame_info.extend(("OBJECTS ").encode("utf8"))
if (bpy.app.version[0] > 4) or (bpy.app.version[0] == 4 and bpy.app.version[1] >= 3):
for object in bpy.data.objects:
if object.visible_get() and object.type == 'GREASEPENCIL':
dg = bpy.context.evaluated_depsgraph_get()
obj = object.evaluated_get(dg)
frame_info.extend(("OBJECT ").encode("utf8"))
# matrix
frame_info.extend(("MATRIX ").encode("utf8"))
camera_space = bpy.context.scene.camera.matrix_world.inverted() @ obj.matrix_world
for i in range(4):
for j in range(4):
frame_info.extend(struct.pack("d", camera_space[i][j]))
frame_info.extend(("DONE ").encode("utf8"))
# strokes
frame_info.extend(("STROKES ").encode("utf8"))
layers = obj.data.layers
for layer in layers:
strokes = layer.frames.data.current_frame().drawing.strokes
for stroke in strokes:
frame_info.extend(("STROKE ").encode("utf8"))
frame_info.extend(("vertexCt").encode("utf8"))
frame_info.extend(len(stroke.points).to_bytes(8, "little"))
frame_info.extend(("VERTICES").encode("utf8"))
for vert in stroke.points:
frame_info.extend(struct.pack("d", vert.position.x))
frame_info.extend(struct.pack("d", vert.position.y))
frame_info.extend(struct.pack("d", vert.position.z))
# VERTICES
frame_info.extend(("DONE ").encode("utf8"))
# STROKE
frame_info.extend(("DONE ").encode("utf8"))
# STROKES
frame_info.extend(("DONE ").encode("utf8"))
# OBJECT
frame_info.extend(("DONE ").encode("utf8"))
else:
for object in bpy.data.objects:
if object.visible_get() and object.type == 'GPENCIL':
dg = bpy.context.evaluated_depsgraph_get()
obj = object.evaluated_get(dg)
frame_info.extend(("OBJECT ").encode("utf8"))
# matrix
frame_info.extend(("MATRIX ").encode("utf8"))
camera_space = bpy.context.scene.camera.matrix_world.inverted() @ obj.matrix_world
for i in range(4):
for j in range(4):
frame_info.extend(struct.pack("d", camera_space[i][j]))
# MATRIX
frame_info.extend(("DONE ").encode("utf8"))
# strokes
frame_info.extend(("STROKES ").encode("utf8"))
layers = obj.data.layers
for layer in layers:
strokes = layer.frames.data.active_frame.strokes
for stroke in strokes:
frame_info.extend(("STROKE ").encode("utf8"))
frame_info.extend(("vertexCt").encode("utf8"))
frame_info.extend(len(stroke.points).to_bytes(8, "little"))
frame_info.extend(("VERTICES").encode("utf8"))
for vert in stroke.points:
frame_info.extend(struct.pack("d", vert.co[0]))
frame_info.extend(struct.pack("d", vert.co[1]))
frame_info.extend(struct.pack("d", vert.co[2]))
# VERTICES
frame_info.extend(("DONE ").encode("utf8"))
# STROKE
frame_info.extend(("DONE ").encode("utf8"))
# STROKES
frame_info.extend(("DONE ").encode("utf8"))
# OBJECT
frame_info.extend(("DONE ").encode("utf8"))
# OBJECTS
frame_info.extend(("DONE ").encode("utf8"))
# FRAME
frame_info.extend(("DONE ").encode("utf8"))
return frame_info
@persistent
def send_scene_to_osci_render(scene):
global sock
if sock is not None:
bin = get_gpla_file(scene)
try:
sock.sendall(base64.b64encode(bytes(bin)) + "\n".encode("utf8"))
except socket.error as exp:
sock = None
operations = [OBJECT_PT_osci_render_settings, osci_render_connect, osci_render_close, osci_render_save]
def register():
bpy.types.Scene.oscirenderPort = bpy.props.IntProperty(name="osci-render port",description="The port through which osci-render will connect",min=51600,max=51699,default=51677)
bpy.app.handlers.frame_change_pre.append(send_scene_to_osci_render)
bpy.app.handlers.depsgraph_update_post.append(send_scene_to_osci_render)
atexit.register(close_osci_render)
for operation in operations:
bpy.utils.register_class(operation)
def unregister():
del bpy.types.Object.oscirenderPort
bpy.app.handlers.frame_change_pre.remove(send_scene_to_osci_render)
bpy.app.handlers.depsgraph_update_post.remove(send_scene_to_osci_render)
atexit.unregister(close_osci_render)
for operation in reversed(operations):
bpy.utils.unregister_class(operation)
if __name__ == "__main__":
register()