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DsqFile.py
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from .DtsTypes import Sequence, Trigger, Vector, Quaternion
from struct import pack, unpack, calcsize
from ctypes import c_byte, c_short, c_int
def read(fd, fmt):
return unpack(fmt, fd.read(calcsize(fmt)))
def write(fd, fmt, *values):
fd.write(pack(fmt, *values))
def write_quat(fd, q):
write(fd, "4h",
c_short(int(q.x * 32767)).value,
c_short(int(q.y * 32767)).value,
c_short(int(q.z * 32767)).value,
c_short(int(q.w * -32767)).value)
def write_vec(fd, v):
write(fd, "3f", v.x, v.y, v.z)
def read_quat(fd):
x, y, z, w = read(fd, "4h")
return Quaternion((
w / -32767,
x / 32767,
y / 32767,
z / 32767))
def read_vec(fd):
return Vector(read(fd, "3f"))
class DsqFile:
def __init__(self):
self.nodes = []
self.rotations = []
self.translations = []
self.uniform_scales = []
self.aligned_scales = []
self.arbitrary_scale_rots = []
self.arbitrary_scale_factors = []
self.ground_translations = []
self.ground_rotations = []
self.sequences = []
self.triggers = []
def write_dump(self, fd):
def p(s):
fd.write(s + "\n")
p("# rotations: {}".format(len(self.rotations)))
p("# translations: {}".format(len(self.translations)))
p("# uniform_scales: {}".format(len(self.uniform_scales)))
p("# aligned_scales: {}".format(len(self.aligned_scales)))
p("# arbitrary_scale_rots: {}".format(len(self.arbitrary_scale_rots)))
p("# arbitrary_scale_factors: {}".format(len(self.arbitrary_scale_factors)))
p("# ground_translations: {}".format(len(self.ground_translations)))
p("# ground_rotations: {}".format(len(self.ground_rotations)))
p("Nodes ({}):".format(len(self.nodes)))
for i, name in enumerate(self.nodes):
p(" {}: {}".format(i, name))
p("Sequences ({}):".format(len(self.sequences)))
for i, seq in enumerate(self.sequences):
p(" {}: {}".format(i, seq.name))
p(" numKeyframes = {}".format(seq.numKeyframes))
p(" duration = {}".format(seq.duration))
p(" rotationMatters = {}".format("".join(map(str, map(int, seq.rotationMatters)))))
p(" translationMatters = {}".format("".join(map(str, map(int, seq.translationMatters)))))
p(" scaleMatters = {}".format("".join(map(str, map(int, seq.scaleMatters)))))
def write_name(self, fd, name):
write(fd, "<i", len(name))
fd.write(name.encode("cp1252"))
def write(self, fd, version=24):
write(fd, "<i", version)
write(fd, "<i", len(self.nodes))
for node_name in self.nodes:
self.write_name(fd, node_name)
# don't pretend to support object export
# not even TGE does
write(fd, "<i", 0)
write(fd, "<i", 0) # old_shape_num_objects
# write all the node states for keyframes
write(fd, "<i", len(self.rotations))
for quat in self.rotations:
write_quat(fd, quat)
write(fd, "<i", len(self.translations))
for vec in self.translations:
write_vec(fd, vec)
write(fd, "<i", len(self.uniform_scales))
for scale in self.uniform_scales:
write(fd, "<f", scale)
write(fd, "<i", len(self.aligned_scales))
for vec in self.aligned_scales:
write_vec(fd, vec)
assert len(self.arbitrary_scale_rots) == len(self.arbitrary_scale_factors)
write(fd, "<i", len(self.arbitrary_scale_rots))
for quat in self.arbitrary_scale_rots:
write_quat(fd, quat)
for vec in self.arbitrary_scale_factors:
write_vec(fd, vec)
assert len(self.ground_translations) == len(self.ground_rotations)
write(fd, "<i", len(self.ground_translations))
for vec in self.ground_translations:
write_vec(fd, vec)
for quat in self.ground_rotations:
write_quat(fd, quat)
# also legacy
write(fd, "<i", 0)
# actually write sequences
write(fd, "<i", len(self.sequences))
for seq in self.sequences:
assert isinstance(seq.name, str)
self.write_name(fd, seq.name)
seq.write(fd, False) # don't write name index
# now for triggers, apparently
write(fd, "<i", len(self.triggers))
for trigger in self.triggers:
write(fd, "<i", trigger.state) # just a guess
write(fd, "<f", trigger.pos)
def read_name(self, fd):
(size,) = read(fd, "<i")
return fd.read(size).decode("cp1252")
def read(self, fd):
(version,) = read(fd, "<i")
assert version <= 24, "dsq >v24 not supported yet"
(num_nodes,) = read(fd, "<i")
self.nodes = [self.read_name(fd) for i in range(num_nodes)]
# Legacy data
read(fd, "<i") # sz
old_shape_num_objects = read(fd, "<i")
if version < 17:
assert false, "TODO: read keyframes from version < 17"
if version > 21:
self.rotations = [read_quat(fd) for i in range(read(fd, "<i")[0])]
self.translations = [read_vec(fd) for i in range(read(fd, "<i")[0])]
self.uniform_scales = [read(fd, "<f") for i in range(read(fd, "<i")[0])]
self.aligned_scales = [read_vec(fd) for i in range(read(fd, "<i")[0])]
(sz,) = read(fd, "<i")
self.arbitrary_scale_rots = [read_quat(fd) for i in range(sz)]
self.arbitrary_scale_factors = [read_vec(fd) for i in range(sz)]
(sz,) = read(fd, "<i")
self.ground_translations = [read_vec(fd) for i in range(sz)]
self.ground_rotations = [read_quat(fd) for i in range(sz)]
else:
(sz,) = read(fd, "<i")
self.rotations = [None] * sz
self.translations = [None] * sz
for i in range(sz):
self.rotations[i] = read_quat(fd)
self.translations[i] = read_vec(fd)
# also legacy
read(fd, "<i")
# now read sequences
(num_seqs,) = read(fd, "<i")
self.sequences = [None] * num_seqs
for i in range(num_seqs):
name = self.read_name(fd)
self.sequences[i] = Sequence.read(fd, False)
self.sequences[i].name = name
# and finally, triggers
if version > 8:
(num_sjws,) = read(fd, "<i")
self.triggers = [None] * num_sjws
for i in range(num_sjws):
self.triggers[i] = Trigger(0, 0)
self.triggers[i].state = read(fd, "<i")
self.triggers[i].pos = read(fd, "<f")