metaforce/hecl/blender/hecl_blendershell.py

293 lines
9.0 KiB
Python

import bpy, sys, os, re, struct
ARGS_PATTERN = re.compile(r'''(?:"([^"]+)"|'([^']+)'|(\S+))''')
# Extract pipe file descriptors from arguments
print('HECL Blender Launch', sys.argv)
if '--' not in sys.argv:
bpy.ops.wm.quit_blender()
args = sys.argv[sys.argv.index('--')+1:]
readfd = int(args[0])
writefd = int(args[1])
double_verbose = int(args[2])
if sys.platform == "win32":
import msvcrt
readfd = msvcrt.open_osfhandle(readfd, os.O_RDONLY | os.O_BINARY)
writefd = msvcrt.open_osfhandle(writefd, os.O_WRONLY | os.O_BINARY)
def readpipeline():
retval = bytearray()
while True:
ch = os.read(readfd, 1)
if ch == b'\n' or ch == b'':
return retval
retval += ch
def writepipeline(linebytes):
#print('LINE', linebytes)
os.write(writefd, linebytes + b'\n')
def writepipebuf(linebytes):
#print('BUF', linebytes)
os.write(writefd, linebytes)
def quitblender():
writepipeline(b'QUITTING')
bpy.ops.wm.quit_blender()
# If there's a third argument, use it as the .zip path containing the addon
did_install = False
if len(args) >= 4 and args[3] != 'SKIPINSTALL':
bpy.ops.wm.addon_install(overwrite=True, target='DEFAULT', filepath=args[3])
bpy.ops.wm.addon_refresh()
did_install = True
# Make addon available to commands
if bpy.context.user_preferences.addons.find('hecl') == -1:
try:
bpy.ops.wm.addon_enable(module='hecl')
bpy.ops.wm.save_userpref()
except:
pass
try:
import hecl
except:
writepipeline(b'NOADDON')
bpy.ops.wm.quit_blender()
# Quit if just installed
if did_install:
writepipeline(b'ADDONINSTALLED')
bpy.ops.wm.quit_blender()
# Intro handshake
writepipeline(b'READY')
ackbytes = readpipeline()
if ackbytes != b'ACK':
quitblender()
# Count brackets
def count_brackets(linestr):
bracket_count = 0
for ch in linestr:
if ch in {'[','{','('}:
bracket_count += 1
elif ch in {']','}',')'}:
bracket_count -= 1
return bracket_count
# Read line of space-separated/quoted arguments
def read_cmdargs():
cmdline = readpipeline()
if cmdline == b'':
print('HECL connection lost')
bpy.ops.wm.quit_blender()
cmdargs = []
for match in ARGS_PATTERN.finditer(cmdline.decode()):
cmdargs.append(match.group(match.lastindex))
return cmdargs
# Complete sequences of statements compiled/executed here
def exec_compbuf(compbuf, globals):
if double_verbose:
print('EXEC', compbuf)
co = compile(compbuf, '<HECL>', 'exec')
exec(co, globals)
# Command loop for writing animation key data to blender
def animin_loop(globals):
writepipeline(b'ANIMREADY')
while True:
crv_type = struct.unpack('b', os.read(readfd, 1))
if crv_type[0] < 0:
writepipeline(b'ANIMDONE')
return
elif crv_type[0] == 0:
crvs = globals['rotCurves']
elif crv_type[0] == 1:
crvs = globals['transCurves']
elif crv_type[0] == 2:
crvs = globals['scaleCurves']
key_info = struct.unpack('ii', os.read(readfd, 8))
crv = crvs[key_info[0]]
crv.keyframe_points.add(count=key_info[1])
if crv_type[0] == 1:
trans_head = globals['bone_trans_head'][key_info[0]]
for k in range(key_info[1]):
key_data = struct.unpack('if', os.read(readfd, 8))
pt = crv.keyframe_points[k]
pt.interpolation = 'LINEAR'
pt.co = (key_data[0], key_data[1] - trans_head)
else:
for k in range(key_info[1]):
key_data = struct.unpack('if', os.read(readfd, 8))
pt = crv.keyframe_points[k]
pt.interpolation = 'LINEAR'
pt.co = (key_data[0], key_data[1])
# Command loop for reading data from blender
def dataout_loop():
writepipeline(b'READY')
while True:
cmdargs = read_cmdargs()
print(cmdargs)
if cmdargs[0] == 'DATAEND':
writepipeline(b'DONE')
return
elif cmdargs[0] == 'MESHLIST':
for meshobj in bpy.data.objects:
if meshobj.type == 'MESH':
writepipeline(meshobj.name.encode())
elif cmdargs[0] == 'MESHCOMPILE':
maxSkinBanks = int(cmdargs[1])
meshName = bpy.context.scene.hecl_mesh_obj
if meshName not in bpy.data.objects:
writepipeline(('mesh %s not found' % meshName).encode())
continue
writepipeline(b'OK')
hecl.hmdl.cook(writepipebuf, bpy.data.objects[meshName], maxSkinBanks)
elif cmdargs[0] == 'MESHCOMPILENAME':
meshName = cmdargs[1]
maxSkinBanks = int(cmdargs[2])
if meshName not in bpy.data.objects:
writepipeline(('mesh %s not found' % meshName).encode())
continue
writepipeline(b'OK')
hecl.hmdl.cook(writepipebuf, bpy.data.objects[meshName], maxSkinBanks)
elif cmdargs[0] == 'MESHCOMPILEALL':
maxSkinBanks = int(cmdargs[1])
bpy.ops.object.select_all(action='DESELECT')
join_mesh = bpy.data.meshes.new('JOIN_MESH')
join_obj = bpy.data.object.new(join_mesh.name, join_mesh)
bpy.context.scene.objects.link(join_obj)
bpy.ops.object.select_by_type(type='MESH')
bpy.context.scene.objects.active = join_obj
bpy.ops.object.join()
writepipeline(b'OK')
hecl.hmdl.cook(writepipebuf, join_obj, maxSkinBanks)
bpy.context.scene.objects.unlink(join_obj)
bpy.data.objects.remove(join_obj)
bpy.data.meshes.remove(join_mesh)
# Command loop
while True:
cmdargs = read_cmdargs()
print(cmdargs)
if cmdargs[0] == 'QUIT':
quitblender()
elif cmdargs[0] == 'OPEN':
if 'FINISHED' in bpy.ops.wm.open_mainfile(filepath=cmdargs[1]):
writepipeline(b'FINISHED')
else:
writepipeline(b'CANCELLED')
elif cmdargs[0] == 'CREATE':
if len(cmdargs) >= 4:
bpy.ops.wm.open_mainfile(filepath=cmdargs[3])
else:
bpy.ops.wm.read_homefile()
bpy.context.user_preferences.filepaths.save_version = 0
if 'FINISHED' in bpy.ops.wm.save_as_mainfile(filepath=cmdargs[1]):
bpy.ops.file.hecl_patching_load()
bpy.context.scene.hecl_type = cmdargs[2]
writepipeline(b'FINISHED')
else:
writepipeline(b'CANCELLED')
elif cmdargs[0] == 'GETTYPE':
writepipeline(bpy.context.scene.hecl_type.encode())
elif cmdargs[0] == 'SAVE':
bpy.context.user_preferences.filepaths.save_version = 0
if 'FINISHED' in bpy.ops.wm.save_mainfile(check_existing=False, compress=True):
writepipeline(b'FINISHED')
else:
writepipeline(b'CANCELLED')
elif cmdargs[0] == 'PYBEGIN':
writepipeline(b'READY')
globals = {'hecl':hecl}
compbuf = str()
bracket_count = 0
while True:
try:
line = readpipeline()
# ANIM check
if line == b'PYANIM':
# Ensure remaining block gets executed
if len(compbuf):
exec_compbuf(compbuf, globals)
compbuf = str()
animin_loop(globals)
continue
# End check
elif line == b'PYEND':
# Ensure remaining block gets executed
if len(compbuf):
exec_compbuf(compbuf, globals)
compbuf = str()
writepipeline(b'DONE')
break
# Syntax filter
linestr = line.decode().rstrip()
if not len(linestr) or linestr.lstrip()[0] == '#':
writepipeline(b'OK')
continue
leading_spaces = len(linestr) - len(linestr.lstrip())
# Block lines always get appended right away
if linestr.endswith(':') or leading_spaces or bracket_count:
if len(compbuf):
compbuf += '\n'
compbuf += linestr
bracket_count += count_brackets(linestr)
writepipeline(b'OK')
continue
# Complete non-block statement in compbuf
if len(compbuf):
exec_compbuf(compbuf, globals)
# Establish new compbuf
compbuf = linestr
bracket_count += count_brackets(linestr)
except Exception as e:
writepipeline(b'EXCEPTION')
raise
break
writepipeline(b'OK')
elif cmdargs[0] == 'PYEND':
writepipeline(b'ERROR')
elif cmdargs[0] == 'DATABEGIN':
dataout_loop()
elif cmdargs[0] == 'DATAEND':
writepipeline(b'ERROR')
else:
hecl.command(cmdargs, writepipeline, writepipebuf)