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quakeforge/tools/io_mesh_qfmdl/mdl.py
Bill Currie 70f500a087 Use custom properties for model flags etc. 
Eye position, auto rotation, sync type and particle effects can now all be
edited in blender: both import and export do the right thing. The settings
can be found in the "QF MDL" panel of the "Object" tab of the properties
view.
2012-04-15 21:55:23 +09:00

363 lines
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Python
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# vim:ts=4:et
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
from struct import unpack, pack
class MDL:
ST_SYNC = 0
ST_RAND = 1
SYNCTYPE={'ST_SYNC':ST_SYNC, 'ST_RAND':ST_RAND,
ST_SYNC:'ST_SYNC', ST_RAND:'ST_RAND'}
EF_ROCKET = 1
EF_GRENADE = 2
EF_GIB = 4
EF_ROTATE = 8
EF_TRACER = 16
EF_ZOMGIB = 32
EF_TRACER2 = 64
EF_TRACER3 = 128
EFFECTS={'EF_NONE':0, 'EF_ROCKET':EF_ROCKET, 'EF_GRENADE':EF_GRENADE,
'EF_GIB':EF_GIB, 'EF_TRACER':EF_TRACER, 'EF_ZOMGIB':EF_ZOMGIB,
'EF_TRACER2':EF_TRACER2, 'EF_TRACER3':EF_TRACER3}
class Skin:
def __init__(self):
pass
def read(self, mdl, sub=0):
self.width, self.height = mdl.skinwidth, mdl.skinheight
if sub:
self.type = 0
self.read_pixels(mdl)
return self
self.type = mdl.read_int()
if self.type:
# skin group
num = mdl.read_int()
self.times = mdl.read_float(num)
self.skins = []
for i in range(num):
self.skins.append(MDL.Skin().read(mdl, 1))
num -= 1
return self
self.read_pixels(mdl)
return self
def write(self, mdl, sub=0):
if not sub:
mdl.write_int(self.type)
if self.type:
mdl.write_float(self.times)
for subskin in self.skins:
subskin.write(mdl, 1)
return
mdl.write_bytes(self.pixels)
def read_pixels(self, mdl):
size = self.width * self.height
self.pixels = mdl.read_bytes(size)
class STVert:
def __init__(self, st=None, onseam=False):
if not st:
st = (0, 0)
self.onseam = onseam
self.s, self.t = st
pass
def read(self, mdl):
self.onseam = mdl.read_int()
self.s, self.t = mdl.read_int(2)
return self
def write(self, mdl):
mdl.write_int(self.onseam)
mdl.write_int((self.s, self.t))
class Tri:
def __init__(self, verts=None, facesfront=True):
if not verts:
verts = (0, 0, 0)
self.facesfront = facesfront
self.verts = verts
def read(self, mdl):
self.facesfront = mdl.read_int()
self.verts = mdl.read_int(3)
return self
def write(self, mdl):
mdl.write_int(self.facesfront)
mdl.write_int(self.verts)
class Frame:
def __init__(self):
self.type = 0
self.name = ""
self.mins = [0, 0, 0]
self.maxs = [0, 0, 0]
self.verts = []
self.frames = []
self.times = []
def add_vert(self, vert):
self.verts.append(vert)
for i, v in enumerate(vert.r):
self.mins[i] = min(self.mins[i], v)
self.maxs[i] = max(self.maxs[i], v)
def add_frame(self, frame, time):
self.type = 1
self.frames.append(frame)
self.times.append(time)
for i in range(3):
self.mins[i] = min(self.mins[i], frame.mins[i])
self.maxs[i] = max(self.maxs[i], frame.maxs[i])
def scale(self, mdl):
self.mins = tuple(map(lambda x, s, t: int((x - t) / s),
self.mins, mdl.scale, mdl.scale_origin))
self.maxs = tuple(map(lambda x, s, t: int((x - t) / s),
self.maxs, mdl.scale, mdl.scale_origin))
if self.type:
for subframe in self.frames:
subframe.scale(mdl)
else:
for vert in self.verts:
vert.scale(mdl)
def read(self, mdl, numverts, sub=0):
if sub:
self.type = 0
else:
self.type = mdl.read_int()
if self.type:
num = mdl.read_int()
self.read_bounds(mdl)
self.times = mdl.read_float(num)
self.frames = []
for i in range(num):
self.frames.append(MDL.Frame().read(mdl, numverts, 1))
return self
self.read_bounds(mdl)
self.read_name(mdl)
self.read_verts(mdl, numverts)
return self
def write(self, mdl, sub=0):
if not sub:
mdl.write_int(self.type)
if self.type:
mdl.write_int(len(self.frames))
self.write_bounds(mdl)
mdl.write_float(self.times)
for frame in self.frames:
frame.write(mdl, 1)
return
self.write_bounds(mdl)
self.write_name(mdl)
self.write_verts(mdl)
def read_name(self, mdl):
if mdl.version == 6:
name = mdl.read_string(16)
else:
name = ""
if "\0" in name:
name = name[:name.index("\0")]
self.name = name
def write_name(self, mdl):
if mdl.version == 6:
mdl.write_string(self.name, 16)
def read_bounds(self, mdl):
self.mins = mdl.read_byte(4)[:3] #discard normal index
self.maxs = mdl.read_byte(4)[:3] #discard normal index
def write_bounds(self, mdl):
mdl.write_byte(self.mins + (0,))
mdl.write_byte(self.maxs + (0,))
def read_verts(self, mdl, num):
self.verts = []
for i in range(num):
self.verts.append(MDL.Vert().read(mdl))
if mdl.ident == 'MD16':
for i in range(num):
v = MDL.Vert().read(mdl)
r = tuple(map(lambda a, b: a * 256 + b,
self.verts[i].r, v.r))
self.verts[i].r = r
def write_verts(self, mdl):
for vert in self.verts:
vert.write(mdl, True)
if mdl.ident == 'MD16' and high:
for vert in self.verts:
vert.write(mdl, False)
class Vert:
def __init__(self, r=None, ni=0):
if not r:
r = (0, 0, 0)
self.r = r
self.ni = ni
pass
def read(self, mdl):
self.r = mdl.read_byte(3)
self.ni = mdl.read_byte()
return self
def write(self, mdl, high=True):
if mdl.ident == 'MD16' and high:
r = tuple(map(lambda a: a >> 8, self.r))
else:
r = tuple(map(lambda a: a & 255, self.r))
mdl.write_byte(r)
mdl.write_byte(self.ni)
def scale(self, mdl):
self.r = tuple(map(lambda x, s, t: int((x - t) / s),
self.r, mdl.scale, mdl.scale_origin))
def read_byte(self, count=1):
size = 1 * count
data = self.file.read(size)
data = unpack("<%dB" % count, data)
if count == 1:
return data[0]
return data
def read_int(self, count=1):
size = 4 * count
data = self.file.read(size)
data = unpack("<%di" % count, data)
if count == 1:
return data[0]
return data
def read_float(self, count=1):
size = 4 * count
data = self.file.read(size)
data = unpack("<%df" % count, data)
if count == 1:
return data[0]
return data
def read_bytes(self, size):
return self.file.read(size)
def read_string(self, size):
data = self.file.read(size)
s = ""
for c in data:
s = s + chr(c)
return s
def write_byte(self, data):
if not hasattr(data, "__len__"):
data = (data,)
self.file.write(pack(("<%dB" % len(data)), *data))
def write_int(self, data):
if not hasattr(data, "__len__"):
data = (data,)
self.file.write(pack(("<%di" % len(data)), *data))
def write_float(self, data):
if not hasattr(data, "__len__"):
data = (data,)
self.file.write(pack(("<%df" % len(data)), *data))
def write_bytes(self, data, size=-1):
if size == -1:
size = len(data)
self.file.write(data[:size])
if size > len(data):
self.file.write(bytes(size - len(data)))
def write_string(self, data, size=-1):
data = data.encode()
self.write_bytes(data, size)
def __init__(self, name = "mdl"):
self.name = name
self.ident = "IDPO" #only 8 bit for now
self.version = 6 #write only version 6 (nothing usable uses 3)
self.scale = (1.0, 1.0, 1.0) #FIXME
self.scale_origin = (0.0, 0.0, 0.0) #FIXME
self.boundingradius = 1.0 #FIXME
self.eyeposition = (0.0, 0.0, 0.0) #FIXME
self.synctype = MDL.ST_SYNC
self.flags = 0 #FIXME config
self.size = 0 #FIXME ???
self.skins = []
self.stverts = []
self.tris = []
self.frames = []
pass
def read(self, filepath):
self.file = open(filepath, "rb")
self.name = filepath.split('/')[-1]
self.name = self.name.split('.')[0]
self.ident = self.read_string(4)
self.version = self.read_int()
if self.ident not in ["IDPO", "MD16"] or self.version not in [3, 6]:
return None
self.scale = self.read_float(3)
self.scale_origin = self.read_float(3)
self.boundingradius = self.read_float()
self.eyeposition = self.read_float(3)
numskins = self.read_int()
self.skinwidth, self.skinheight = self.read_int(2)
numverts, numtris, numframes = self.read_int(3)
self.synctype = self.read_int()
if self.version == 6:
self.flags = self.read_int()
self.size = self.read_float()
# read in the skin data
self.skins = []
for i in range(numskins):
self.skins.append(MDL.Skin().read(self))
#read in the st verts (uv map)
self.stverts = []
for i in range(numverts):
self.stverts.append (MDL.STVert().read(self))
#read in the tris
self.tris = []
for i in range(numtris):
self.tris.append(MDL.Tri().read(self))
#read in the frames
self.frames = []
for i in range(numframes):
self.frames.append(MDL.Frame().read(self, numverts))
return self
def write (self, filepath):
self.file = open(filepath, "wb")
self.write_string (self.ident, 4)
self.write_int (self.version)
self.write_float (self.scale)
self.write_float (self.scale_origin)
self.write_float (self.boundingradius)
self.write_float (self.eyeposition)
self.write_int (len(self.skins))
self.write_int ((self.skinwidth, self.skinheight))
self.write_int (len(self.stverts))
self.write_int (len(self.tris))
self.write_int (len(self.frames))
self.write_int (self.synctype)
if self.version == 6:
self.write_int (self.flags)
self.write_float (self.size)
# write out the skin data
for skin in self.skins:
skin.write(self)
#write out the st verts (uv map)
for stvert in self.stverts:
stvert.write(self)
#write out the tris
for tri in self.tris:
tri.write(self)
#write out the frames
for frame in self.frames:
frame.write(self)
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