forked from bartvdbraak/blender
1203 lines
37 KiB
Python
1203 lines
37 KiB
Python
#!BPY
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"""
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Name: 'MD2 (.md2)'
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Blender: 241
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Group: 'Export'
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Tooltip: 'Export to Quake file format (.md2).'
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"""
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__author__ = 'Bob Holcomb'
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__version__ = '0.17
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__url__ = ["Bob's site, http://bane.servebeer.com",
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"Support forum, http://scourage.servebeer.com/phpbb/", "blender", "elysiun"]
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__email__ = ["Bob Holcomb, bob_holcomb:hotmail*com", "scripts"]
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__bpydoc__ = """\
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This script Exports a Quake 2 file (MD2).
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Additional help from: Shadwolf, Skandal, Rojo, Cambo<br>
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Thanks Guys!
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"""
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# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# Script copyright (C): Bob Holcomb
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ***** END GPL LICENCE BLOCK *****
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# --------------------------------------------------------------------------
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import Blender
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from Blender import *
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from Blender.Draw import *
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from Blender.BGL import *
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from Blender.Window import *
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import struct, string
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from types import *
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######################################################
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# GUI Loader
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######################################################
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# Export globals
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g_filename=Create("/home/bob/work/blender_scripts/md2/test-export.md2")
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g_frame_filename=Create("default")
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g_filename_search=Create("model")
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g_frame_search=Create("default")
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user_frame_list=[]
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#Globals
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g_scale=Create(1.0)
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# Events
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EVENT_NOEVENT=1
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EVENT_SAVE_MD2=2
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EVENT_CHOOSE_FILENAME=3
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EVENT_CHOOSE_FRAME=4
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EVENT_EXIT=100
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######################################################
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# Callbacks for Window functions
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######################################################
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def filename_callback(input_filename):
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global g_filename
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g_filename.val=input_filename
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def frame_callback(input_frame):
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global g_frame_filename
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g_frame_filename.val=input_frame
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def draw_gui():
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global g_scale
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global g_filename
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global g_frame_filename
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global EVENT_NOEVENT,EVENT_SAVE_MD2,EVENT_CHOOSE_FILENAME,EVENT_CHOOSE_FRAME,EVENT_EXIT
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########## Titles
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glClear(GL_COLOR_BUFFER_BIT)
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glRasterPos2d(8, 103)
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Text("MD2 Export")
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######### Parameters GUI Buttons
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g_filename = String("MD2 file to save: ", EVENT_NOEVENT, 10, 55, 210, 18,
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g_filename.val, 255, "MD2 file to save")
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########## MD2 File Search Button
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Button("Search",EVENT_CHOOSE_FILENAME,220,55,80,18)
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g_frame_filename = String("Frame List file to load: ", EVENT_NOEVENT, 10, 35, 210, 18,
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g_frame_filename.val, 255, "Frame List to load-overrides MD2 defaults")
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########## Texture Search Button
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Button("Search",EVENT_CHOOSE_FRAME,220,35,80,18)
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########## Scale slider-default is 1/8 which is a good scale for md2->blender
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g_scale= Slider("Scale Factor: ", EVENT_NOEVENT, 10, 75, 210, 18,
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1.0, 0.001, 10.0, 1, "Scale factor for obj Model");
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######### Draw and Exit Buttons
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Button("Export",EVENT_SAVE_MD2 , 10, 10, 80, 18)
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Button("Exit",EVENT_EXIT , 170, 10, 80, 18)
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def event(evt, val):
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if (evt == QKEY and not val):
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Exit()
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def bevent(evt):
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global g_filename
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global g_frame_filename
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global EVENT_NOEVENT,EVENT_SAVE_MD2,EVENT_EXIT
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######### Manages GUI events
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if (evt==EVENT_EXIT):
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Blender.Draw.Exit()
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elif (evt==EVENT_CHOOSE_FILENAME):
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FileSelector(filename_callback, "MD2 File Selection")
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elif (evt==EVENT_CHOOSE_FRAME):
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FileSelector(frame_callback, "Frame Selection")
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elif (evt==EVENT_SAVE_MD2):
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if (g_filename.val == "model"):
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save_md2("blender.md2")
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Blender.Draw.Exit()
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return
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else:
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save_md2(g_filename.val)
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Blender.Draw.Exit()
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return
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Register(draw_gui, event, bevent)
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######################################################
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# MD2 Model Constants
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######################################################
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MD2_MAX_TRIANGLES=4096
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MD2_MAX_VERTICES=2048
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MD2_MAX_TEXCOORDS=2048
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MD2_MAX_FRAMES=512
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MD2_MAX_SKINS=32
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MD2_MAX_FRAMESIZE=(MD2_MAX_VERTICES * 4 + 128)
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MD2_FRAME_NAME_LIST=(("stand",1,40),
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("run",41,46),
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("attack",47,54),
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("pain1",55,58),
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("pain2",59,62),
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("pain3",63,66),
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("jump",67,72),
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("flip",73,84),
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("salute", 85,95),
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("taunt",96,112),
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("wave",113,123),
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("point",124,135),
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("crstnd",136,154),
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("crwalk",155,160),
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("crattack",161,169),
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("crpain",170,173),
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("crdeath",174,178),
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("death1",179,184),
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("death2",185,190),
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("death3",191,198))
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#198 frames
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MD2_NORMALS=((-0.525731, 0.000000, 0.850651),
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(-0.442863, 0.238856, 0.864188),
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(-0.295242, 0.000000, 0.955423),
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(-0.309017, 0.500000, 0.809017),
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(-0.162460, 0.262866, 0.951056),
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(0.000000, 0.000000, 1.000000),
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(0.000000, 0.850651, 0.525731),
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(-0.147621, 0.716567, 0.681718),
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(0.147621, 0.716567, 0.681718),
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(0.000000, 0.525731, 0.850651),
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(0.309017, 0.500000, 0.809017),
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(0.525731, 0.000000, 0.850651),
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(0.295242, 0.000000, 0.955423),
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(0.442863, 0.238856, 0.864188),
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(0.162460, 0.262866, 0.951056),
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(-0.681718, 0.147621, 0.716567),
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(-0.809017, 0.309017, 0.500000),
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(-0.587785, 0.425325, 0.688191),
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(-0.850651, 0.525731, 0.000000),
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(-0.864188, 0.442863, 0.238856),
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(-0.716567, 0.681718, 0.147621),
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(-0.688191, 0.587785, 0.425325),
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(-0.500000, 0.809017, 0.309017),
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(-0.238856, 0.864188, 0.442863),
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(-0.425325, 0.688191, 0.587785),
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(-0.716567, 0.681718, -0.147621),
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(-0.500000, 0.809017, -0.309017),
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(-0.525731, 0.850651, 0.000000),
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(0.000000, 0.850651, -0.525731),
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(-0.238856, 0.864188, -0.442863),
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(0.000000, 0.955423, -0.295242),
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(-0.262866, 0.951056, -0.162460),
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(0.000000, 1.000000, 0.000000),
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(0.000000, 0.955423, 0.295242),
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(-0.262866, 0.951056, 0.162460),
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(0.238856, 0.864188, 0.442863),
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(0.262866, 0.951056, 0.162460),
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(0.500000, 0.809017, 0.309017),
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(0.238856, 0.864188, -0.442863),
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(0.262866, 0.951056, -0.162460),
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(0.500000, 0.809017, -0.309017),
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(0.850651, 0.525731, 0.000000),
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(0.716567, 0.681718, 0.147621),
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(0.716567, 0.681718, -0.147621),
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(0.525731, 0.850651, 0.000000),
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(0.425325, 0.688191, 0.587785),
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(0.864188, 0.442863, 0.238856),
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(0.688191, 0.587785, 0.425325),
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(0.809017, 0.309017, 0.500000),
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(0.681718, 0.147621, 0.716567),
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(0.587785, 0.425325, 0.688191),
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(0.955423, 0.295242, 0.000000),
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(1.000000, 0.000000, 0.000000),
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(0.951056, 0.162460, 0.262866),
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(0.850651, -0.525731, 0.000000),
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(0.955423, -0.295242, 0.000000),
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(0.864188, -0.442863, 0.238856),
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(0.951056, -0.162460, 0.262866),
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(0.809017, -0.309017, 0.500000),
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(0.681718, -0.147621, 0.716567),
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(0.850651, 0.000000, 0.525731),
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(0.864188, 0.442863, -0.238856),
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(0.809017, 0.309017, -0.500000),
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(0.951056, 0.162460, -0.262866),
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(0.525731, 0.000000, -0.850651),
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(0.681718, 0.147621, -0.716567),
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(0.681718, -0.147621, -0.716567),
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(0.850651, 0.000000, -0.525731),
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(0.809017, -0.309017, -0.500000),
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(0.864188, -0.442863, -0.238856),
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(0.951056, -0.162460, -0.262866),
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(0.147621, 0.716567, -0.681718),
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(0.309017, 0.500000, -0.809017),
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(0.425325, 0.688191, -0.587785),
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(0.442863, 0.238856, -0.864188),
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(0.587785, 0.425325, -0.688191),
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(0.688191, 0.587785, -0.425325),
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(-0.147621, 0.716567, -0.681718),
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(-0.309017, 0.500000, -0.809017),
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(0.000000, 0.525731, -0.850651),
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(-0.525731, 0.000000, -0.850651),
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(-0.442863, 0.238856, -0.864188),
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(-0.295242, 0.000000, -0.955423),
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(-0.162460, 0.262866, -0.951056),
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(0.000000, 0.000000, -1.000000),
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(0.295242, 0.000000, -0.955423),
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(0.162460, 0.262866, -0.951056),
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(-0.442863, -0.238856, -0.864188),
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(-0.309017, -0.500000, -0.809017),
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(-0.162460, -0.262866, -0.951056),
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(0.000000, -0.850651, -0.525731),
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(-0.147621, -0.716567, -0.681718),
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(0.147621, -0.716567, -0.681718),
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(0.000000, -0.525731, -0.850651),
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(0.309017, -0.500000, -0.809017),
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(0.442863, -0.238856, -0.864188),
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(0.162460, -0.262866, -0.951056),
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(0.238856, -0.864188, -0.442863),
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(0.500000, -0.809017, -0.309017),
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(0.425325, -0.688191, -0.587785),
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(0.716567, -0.681718, -0.147621),
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(0.688191, -0.587785, -0.425325),
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(0.587785, -0.425325, -0.688191),
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(0.000000, -0.955423, -0.295242),
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(0.000000, -1.000000, 0.000000),
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(0.262866, -0.951056, -0.162460),
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(0.000000, -0.850651, 0.525731),
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(0.000000, -0.955423, 0.295242),
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(0.238856, -0.864188, 0.442863),
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(0.262866, -0.951056, 0.162460),
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(0.500000, -0.809017, 0.309017),
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(0.716567, -0.681718, 0.147621),
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(0.525731, -0.850651, 0.000000),
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(-0.238856, -0.864188, -0.442863),
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(-0.500000, -0.809017, -0.309017),
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(-0.262866, -0.951056, -0.162460),
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(-0.850651, -0.525731, 0.000000),
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(-0.716567, -0.681718, -0.147621),
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(-0.716567, -0.681718, 0.147621),
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(-0.525731, -0.850651, 0.000000),
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(-0.500000, -0.809017, 0.309017),
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(-0.238856, -0.864188, 0.442863),
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(-0.262866, -0.951056, 0.162460),
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(-0.864188, -0.442863, 0.238856),
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(-0.809017, -0.309017, 0.500000),
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(-0.688191, -0.587785, 0.425325),
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(-0.681718, -0.147621, 0.716567),
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(-0.442863, -0.238856, 0.864188),
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(-0.587785, -0.425325, 0.688191),
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(-0.309017, -0.500000, 0.809017),
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(-0.147621, -0.716567, 0.681718),
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(-0.425325, -0.688191, 0.587785),
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(-0.162460, -0.262866, 0.951056),
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(0.442863, -0.238856, 0.864188),
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(0.162460, -0.262866, 0.951056),
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(0.309017, -0.500000, 0.809017),
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(0.147621, -0.716567, 0.681718),
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(0.000000, -0.525731, 0.850651),
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(0.425325, -0.688191, 0.587785),
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(0.587785, -0.425325, 0.688191),
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(0.688191, -0.587785, 0.425325),
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(-0.955423, 0.295242, 0.000000),
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(-0.951056, 0.162460, 0.262866),
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(-1.000000, 0.000000, 0.000000),
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(-0.850651, 0.000000, 0.525731),
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(-0.955423, -0.295242, 0.000000),
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(-0.951056, -0.162460, 0.262866),
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(-0.864188, 0.442863, -0.238856),
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(-0.951056, 0.162460, -0.262866),
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(-0.809017, 0.309017, -0.500000),
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(-0.864188, -0.442863, -0.238856),
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(-0.951056, -0.162460, -0.262866),
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(-0.809017, -0.309017, -0.500000),
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(-0.681718, 0.147621, -0.716567),
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(-0.681718, -0.147621, -0.716567),
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(-0.850651, 0.000000, -0.525731),
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(-0.688191, 0.587785, -0.425325),
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(-0.587785, 0.425325, -0.688191),
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(-0.425325, 0.688191, -0.587785),
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(-0.425325, -0.688191, -0.587785),
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(-0.587785, -0.425325, -0.688191),
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(-0.688191, -0.587785, -0.425325))
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######################################################
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# MD2 data structures
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######################################################
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class md2_point:
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vertices=[]
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lightnormalindex=0
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binary_format="<3BB"
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def __init__(self):
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self.vertices=[0]*3
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self.lightnormalindex=0
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def save(self, file):
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temp_data=[0]*4
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temp_data[0]=self.vertices[0]
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temp_data[1]=self.vertices[1]
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temp_data[2]=self.vertices[2]
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temp_data[3]=self.lightnormalindex
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data=struct.pack(self.binary_format, temp_data[0], temp_data[1], temp_data[2], temp_data[3])
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file.write(data)
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def dump(self):
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print "MD2 Point Structure"
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print "vertex X: ", self.vertices[0]
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print "vertex Y: ", self.vertices[1]
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print "vertex Z: ", self.vertices[2]
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print "lightnormalindex: ",self.lightnormalindex
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print ""
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class md2_face:
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vertex_index=[]
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texture_index=[]
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binary_format="<3h3h"
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def __init__(self):
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self.vertex_index = [ 0, 0, 0 ]
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self.texture_index = [ 0, 0, 0]
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def save(self, file):
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temp_data=[0]*6
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#swap vertices around so they draw right
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temp_data[0]=self.vertex_index[0]
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temp_data[1]=self.vertex_index[2]
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temp_data[2]=self.vertex_index[1]
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#swap texture vertices around so they draw right
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temp_data[3]=self.texture_index[0]
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temp_data[4]=self.texture_index[2]
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temp_data[5]=self.texture_index[1]
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data=struct.pack(self.binary_format,temp_data[0],temp_data[1],temp_data[2],temp_data[3],temp_data[4],temp_data[5])
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file.write(data)
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def dump (self):
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print "MD2 Face Structure"
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print "vertex 1 index: ", self.vertex_index[0]
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print "vertex 2 index: ", self.vertex_index[1]
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print "vertex 3 index: ", self.vertex_index[2]
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print "texture 1 index: ", self.texture_index[0]
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print "texture 2 index: ", self.texture_index[1]
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print "texture 3 index: ", self.texture_index[2]
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print ""
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class md2_tex_coord:
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u=0
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v=0
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binary_format="<2h"
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def __init__(self):
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self.u=0
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self.v=0
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def save(self, file):
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temp_data=[0]*2
|
|
temp_data[0]=self.u
|
|
temp_data[1]=self.v
|
|
data=struct.pack(self.binary_format, temp_data[0], temp_data[1])
|
|
file.write(data)
|
|
def dump (self):
|
|
print "MD2 Texture Coordinate Structure"
|
|
print "texture coordinate u: ",self.u
|
|
print "texture coordinate v: ",self.v
|
|
print ""
|
|
|
|
class md2_GL_command:
|
|
s=0.0
|
|
t=0.0
|
|
vert_index=0
|
|
binary_format="<2fi"
|
|
|
|
def __init__(self):
|
|
self.s=0.0
|
|
self.t=0.0
|
|
vert_index=0
|
|
def save(self,file):
|
|
temp_data=[0]*3
|
|
temp_data[0]=float(self.s)
|
|
temp_data[1]=float(self.t)
|
|
temp_data[2]=self.vert_index
|
|
data=struct.pack(self.binary_format, temp_data[0],temp_data[1],temp_data[2])
|
|
file.write(data)
|
|
def dump (self):
|
|
print "MD2 OpenGL Command"
|
|
print "s: ", self.s
|
|
print "t: ", self.t
|
|
print "Vertex Index: ", self.vert_index
|
|
print ""
|
|
|
|
class md2_GL_cmd_list:
|
|
num=0
|
|
cmd_list=[]
|
|
binary_format="<i"
|
|
|
|
def __init__(self):
|
|
self.num=0
|
|
self.cmd_list=[]
|
|
|
|
def save(self,file):
|
|
data=struct.pack(self.binary_format, self.num)
|
|
file.write(data)
|
|
for cmd in self.cmd_list:
|
|
cmd.save(file)
|
|
def dump(self):
|
|
print "MD2 OpenGL Command List"
|
|
print "number: ", self.num
|
|
for cmd in self.cmd_list:
|
|
cmd.dump()
|
|
print ""
|
|
|
|
class md2_skin:
|
|
name=""
|
|
binary_format="<64s"
|
|
def __init__(self):
|
|
self.name=""
|
|
def save(self, file):
|
|
temp_data=self.name
|
|
data=struct.pack(self.binary_format, temp_data)
|
|
file.write(data)
|
|
def dump (self):
|
|
print "MD2 Skin"
|
|
print "skin name: ",self.name
|
|
print ""
|
|
|
|
class md2_frame:
|
|
scale=[]
|
|
translate=[]
|
|
name=[]
|
|
vertices=[]
|
|
binary_format="<3f3f16s"
|
|
|
|
def __init__(self):
|
|
self.scale=[0.0]*3
|
|
self.translate=[0.0]*3
|
|
self.name=""
|
|
self.vertices=[]
|
|
def save(self, file):
|
|
temp_data=[0]*7
|
|
temp_data[0]=float(self.scale[0])
|
|
temp_data[1]=float(self.scale[1])
|
|
temp_data[2]=float(self.scale[2])
|
|
temp_data[3]=float(self.translate[0])
|
|
temp_data[4]=float(self.translate[1])
|
|
temp_data[5]=float(self.translate[2])
|
|
temp_data[6]=self.name
|
|
data=struct.pack(self.binary_format, temp_data[0],temp_data[1],temp_data[2],temp_data[3],temp_data[4],temp_data[5],temp_data[6])
|
|
file.write(data)
|
|
def dump (self):
|
|
print "MD2 Frame"
|
|
print "scale x: ",self.scale[0]
|
|
print "scale y: ",self.scale[1]
|
|
print "scale z: ",self.scale[2]
|
|
print "translate x: ",self.translate[0]
|
|
print "translate y: ",self.translate[1]
|
|
print "translate z: ",self.translate[2]
|
|
print "name: ",self.name
|
|
print ""
|
|
|
|
class md2_obj:
|
|
#Header Structure
|
|
ident=0 #int 0 This is used to identify the file
|
|
version=0 #int 1 The version number of the file (Must be 8)
|
|
skin_width=0 #int 2 The skin width in pixels
|
|
skin_height=0 #int 3 The skin height in pixels
|
|
frame_size=0 #int 4 The size in bytes the frames are
|
|
num_skins=0 #int 5 The number of skins associated with the model
|
|
num_vertices=0 #int 6 The number of vertices (constant for each frame)
|
|
num_tex_coords=0 #int 7 The number of texture coordinates
|
|
num_faces=0 #int 8 The number of faces (polygons)
|
|
num_GL_commands=0 #int 9 The number of gl commands
|
|
num_frames=0 #int 10 The number of animation frames
|
|
offset_skins=0 #int 11 The offset in the file for the skin data
|
|
offset_tex_coords=0 #int 12 The offset in the file for the texture data
|
|
offset_faces=0 #int 13 The offset in the file for the face data
|
|
offset_frames=0 #int 14 The offset in the file for the frames data
|
|
offset_GL_commands=0#int 15 The offset in the file for the gl commands data
|
|
offset_end=0 #int 16 The end of the file offset
|
|
binary_format="<17i" #little-endian (<), 17 integers (17i)
|
|
#md2 data objects
|
|
tex_coords=[]
|
|
faces=[]
|
|
frames=[]
|
|
skins=[]
|
|
GL_commands=[]
|
|
|
|
def __init__ (self):
|
|
self.tex_coords=[]
|
|
self.faces=[]
|
|
self.frames=[]
|
|
self.skins=[]
|
|
def save(self, file):
|
|
temp_data=[0]*17
|
|
temp_data[0]=self.ident
|
|
temp_data[1]=self.version
|
|
temp_data[2]=self.skin_width
|
|
temp_data[3]=self.skin_height
|
|
temp_data[4]=self.frame_size
|
|
temp_data[5]=self.num_skins
|
|
temp_data[6]=self.num_vertices
|
|
temp_data[7]=self.num_tex_coords
|
|
temp_data[8]=self.num_faces
|
|
temp_data[9]=self.num_GL_commands
|
|
temp_data[10]=self.num_frames
|
|
temp_data[11]=self.offset_skins
|
|
temp_data[12]=self.offset_tex_coords
|
|
temp_data[13]=self.offset_faces
|
|
temp_data[14]=self.offset_frames
|
|
temp_data[15]=self.offset_GL_commands
|
|
temp_data[16]=self.offset_end
|
|
data=struct.pack(self.binary_format, temp_data[0],temp_data[1],temp_data[2],temp_data[3],temp_data[4],temp_data[5],temp_data[6],temp_data[7],temp_data[8],temp_data[9],temp_data[10],temp_data[11],temp_data[12],temp_data[13],temp_data[14],temp_data[15],temp_data[16])
|
|
file.write(data)
|
|
#write the skin data
|
|
for skin in self.skins:
|
|
skin.save(file)
|
|
#save the texture coordinates
|
|
for tex_coord in self.tex_coords:
|
|
tex_coord.save(file)
|
|
#save the face info
|
|
for face in self.faces:
|
|
face.save(file)
|
|
#save the frames
|
|
for frame in self.frames:
|
|
frame.save(file)
|
|
for vert in frame.vertices:
|
|
vert.save(file)
|
|
#save the GL command List
|
|
for cmd in self.GL_commands:
|
|
cmd.save(file)
|
|
def dump (self):
|
|
print "Header Information"
|
|
print "ident: ", self.ident
|
|
print "version: ", self.version
|
|
print "skin width: ", self.skin_width
|
|
print "skin height: ", self.skin_height
|
|
print "frame size: ", self.frame_size
|
|
print "number of skins: ", self.num_skins
|
|
print "number of texture coordinates: ", self.num_tex_coords
|
|
print "number of faces: ", self.num_faces
|
|
print "number of frames: ", self.num_frames
|
|
print "number of vertices: ", self.num_vertices
|
|
print "number of GL commands: ",self.num_GL_commands
|
|
print "offset skins: ", self.offset_skins
|
|
print "offset texture coordinates: ", self.offset_tex_coords
|
|
print "offset faces: ", self.offset_faces
|
|
print "offset frames: ",self.offset_frames
|
|
print "offset GL Commands: ",self.offset_GL_commands
|
|
print "offset end: ",self.offset_end
|
|
print ""
|
|
|
|
######################################################
|
|
# Validation
|
|
######################################################
|
|
def validation(object):
|
|
global user_frame_list
|
|
|
|
#get access to the mesh data
|
|
mesh=object.getData(False, True) #get the object (not just name) and the Mesh, not NMesh
|
|
|
|
#check it's composed of only tri's
|
|
result=0
|
|
for face in mesh.faces:
|
|
if len(face.verts)!=3:
|
|
#select the face for future triangulation
|
|
face.sel=1
|
|
if result==0: #first time we have this problem, don't pop-up a window every time it finds a quad
|
|
print "Model not made entirely of triangles"
|
|
result=Blender.Draw.PupMenu("Model not made entirely out of Triangles-Convert?%t|YES|NO")
|
|
|
|
print "result: ", result
|
|
#triangulate or quit
|
|
if result==1:
|
|
#selecting face mode
|
|
Blender.Mesh.Mode(3)
|
|
mesh.quadToTriangle(0) #use closest verticies in breaking a quad
|
|
elif result==2:
|
|
return False #user will fix (I guess)
|
|
|
|
#check it has UV coordinates
|
|
if mesh.vertexUV==True:
|
|
print "Vertex UV not supported"
|
|
result=Blender.Draw.PupMenu("Vertex UV not suppored-Use Sticky UV%t|OK")
|
|
return False
|
|
|
|
elif mesh.faceUV==True:
|
|
for face in mesh.faces:
|
|
if(len(face.uv)==3):
|
|
pass
|
|
else:
|
|
print "Models vertices do not all have UV"
|
|
result=Blender.Draw.PupMenu("Models vertices do not all have UV%t|OK")
|
|
return False
|
|
|
|
else:
|
|
print "Model does not have UV (face or vertex)"
|
|
result=Blender.Draw.PupMenu("Model does not have UV (face or vertex)%t|OK")
|
|
return False
|
|
|
|
#check it has only 1 associated texture map
|
|
last_face=""
|
|
last_face=mesh.faces[0].image
|
|
if last_face=="":
|
|
print "Model does not have a texture Map"
|
|
result=Blender.Draw.PupMenu("Model does not have a texture Map%t|OK")
|
|
return False
|
|
|
|
for face in mesh.faces:
|
|
mesh_image=face.image
|
|
if not mesh_image:
|
|
print "Model has a face without a texture Map"
|
|
result=Blender.Draw.PupMenu("Model has a face without a texture Map%t|OK")
|
|
return False
|
|
if mesh_image!=last_face:
|
|
print "Model has more than 1 texture map assigned"
|
|
result=Blender.Draw.PupMenu("Model has more than 1 texture map assigned%t|OK")
|
|
return False
|
|
|
|
size=mesh_image.getSize()
|
|
#is this really what the user wants
|
|
if (size[0]!=256 or size[1]!=256):
|
|
print "Texture map size is non-standard (not 256x256), it is: ",size[0],"x",size[1]
|
|
result=Blender.Draw.PupMenu("Texture map size is non-standard (not 256x256), it is: "+str(size[0])+"x"+str(size[1])+": Continue?%t|YES|NO")
|
|
if(result==2):
|
|
return False
|
|
|
|
#verify frame list data
|
|
user_frame_list=get_frame_list()
|
|
temp=user_frame_list[len(user_frame_list)-1]
|
|
temp_num_frames=temp[2]
|
|
|
|
#verify tri/vert/frame counts are within MD2 standard
|
|
face_count=len(mesh.faces)
|
|
vert_count=len(mesh.verts)
|
|
frame_count=temp_num_frames
|
|
|
|
if face_count>MD2_MAX_TRIANGLES:
|
|
print "Number of triangles exceeds MD2 standard: ", face_count,">",MD2_MAX_TRIANGLES
|
|
result=Blender.Draw.PupMenu("Number of triangles exceeds MD2 standard: Continue?%t|YES|NO")
|
|
if(result==2):
|
|
return False
|
|
if vert_count>MD2_MAX_VERTICES:
|
|
print "Number of verticies exceeds MD2 standard",vert_count,">",MD2_MAX_VERTICES
|
|
result=Blender.Draw.PupMenu("Number of verticies exceeds MD2 standard: Continue?%t|YES|NO")
|
|
if(result==2):
|
|
return False
|
|
if frame_count>MD2_MAX_FRAMES:
|
|
print "Number of frames exceeds MD2 standard of",frame_count,">",MD2_MAX_FRAMES
|
|
result=Blender.Draw.PupMenu("Number of frames exceeds MD2 standard: Continue?%t|YES|NO")
|
|
if(result==2):
|
|
return False
|
|
#model is OK
|
|
return True
|
|
|
|
######################################################
|
|
# Fill MD2 data structure
|
|
######################################################
|
|
def fill_md2(md2, object):
|
|
global user_frame_list
|
|
#get a Mesh, not NMesh
|
|
mesh=object.getData(False, True)
|
|
|
|
#load up some intermediate data structures
|
|
tex_list={}
|
|
tex_count=0
|
|
#create the vertex list from the first frame
|
|
Blender.Set("curframe", 1)
|
|
|
|
#header information
|
|
md2.ident=844121161
|
|
md2.version=8
|
|
md2.num_vertices=len(mesh.verts)
|
|
md2.num_faces=len(mesh.faces)
|
|
|
|
#get the skin information
|
|
#use the first faces' image for the texture information
|
|
mesh_image=mesh.faces[0].image
|
|
size=mesh_image.getSize()
|
|
md2.skin_width=size[0]
|
|
md2.skin_height=size[1]
|
|
md2.num_skins=1
|
|
#add a skin node to the md2 data structure
|
|
md2.skins.append(md2_skin())
|
|
md2.skins[0].name=Blender.sys.basename(mesh_image.getFilename())
|
|
|
|
#put texture information in the md2 structure
|
|
#build UV coord dictionary (prevents double entries-saves space)
|
|
for face in mesh.faces:
|
|
for i in range(0,3):
|
|
t=(face.uv[i])
|
|
tex_key=(t[0],t[1])
|
|
if not tex_list.has_key(tex_key):
|
|
tex_list[tex_key]=tex_count
|
|
tex_count+=1
|
|
md2.num_tex_coords=tex_count #each vert has its own UV coord
|
|
|
|
for this_tex in range (0, md2.num_tex_coords):
|
|
md2.tex_coords.append(md2_tex_coord())
|
|
for coord, index in tex_list.iteritems():
|
|
#md2.tex_coords.append(md2_tex_coord())
|
|
md2.tex_coords[index].u=int(coord[0]*md2.skin_width)
|
|
md2.tex_coords[index].v=int((1-coord[1])*md2.skin_height)
|
|
|
|
#put faces in the md2 structure
|
|
#for each face in the model
|
|
for this_face in range(0, md2.num_faces):
|
|
md2.faces.append(md2_face())
|
|
for i in range(0,3):
|
|
#blender uses indexed vertexes so this works very well
|
|
md2.faces[this_face].vertex_index[i]=mesh.faces[this_face].verts[i].index
|
|
#lookup texture index in dictionary
|
|
uv_coord=(mesh.faces[this_face].uv[i])
|
|
tex_key=(uv_coord[0],uv_coord[1])
|
|
tex_index=tex_list[tex_key]
|
|
md2.faces[this_face].texture_index[i]=tex_index
|
|
|
|
#compute GL commands
|
|
md2.num_GL_commands=build_GL_commands(md2)
|
|
|
|
#get the frame data
|
|
#calculate 1 frame size + (1 vert size*num_verts)
|
|
md2.frame_size=40+(md2.num_vertices*4) #in bytes
|
|
|
|
#get the frame list
|
|
user_frame_list=get_frame_list()
|
|
if user_frame_list=="default":
|
|
md2.num_frames=198
|
|
else:
|
|
temp=user_frame_list[len(user_frame_list)-1] #last item
|
|
md2.num_frames=temp[2] #last frame number
|
|
|
|
#fill in each frame with frame info and all the vertex data for that frame
|
|
for frame_counter in range(0,md2.num_frames):
|
|
#add a frame
|
|
md2.frames.append(md2_frame())
|
|
#update the mesh objects vertex positions for the animation
|
|
Blender.Set("curframe", frame_counter) #set blender to the correct frame
|
|
mesh.getFromObject(object.name) #update the mesh to make verts current
|
|
|
|
#each frame has a scale and transform value that gets the vertex value between 0-255
|
|
#since the scale and transform are the same for the all the verts in the frame, we only need
|
|
#to figure this out once per frame
|
|
|
|
#we need to start with the bounding box
|
|
bounding_box=object.getBoundBox() #uses the object, not the mesh data
|
|
#initialize with the first vertex for both min and max. X and Y are swapped for MD2 format
|
|
point=bounding_box[0]
|
|
frame_min_x=point[1]
|
|
frame_max_x=point[1]
|
|
frame_min_y=point[0]
|
|
frame_max_y=point[0]
|
|
frame_min_z=point[2]
|
|
frame_max_z=point[2]
|
|
#find min/max values
|
|
for point in bounding_box:
|
|
if frame_min_x>point[1]: frame_min_x=point[1]
|
|
if frame_max_x<point[1]: frame_max_x=point[1]
|
|
if frame_min_y>point[0]: frame_min_y=point[0]
|
|
if frame_max_y<point[0]: frame_max_y=point[0]
|
|
if frame_min_z>point[2]: frame_min_z=point[2]
|
|
if frame_max_z<point[2]: frame_max_z=point[2]
|
|
|
|
#the scale is the difference between the min and max (on that axis) / 255
|
|
frame_scale_x=(frame_max_x-frame_min_x)/255
|
|
frame_scale_y=(frame_max_y-frame_min_y)/255
|
|
frame_scale_z=(frame_max_z-frame_min_z)/255
|
|
|
|
#translate value of the mesh to center it on the origin
|
|
frame_trans_x=frame_min_x
|
|
frame_trans_y=frame_min_y
|
|
frame_trans_z=frame_min_z
|
|
|
|
#fill in the data
|
|
md2.frames[frame_counter].scale=(-frame_scale_x, frame_scale_y, frame_scale_z)
|
|
md2.frames[frame_counter].translate=(-frame_trans_x, frame_trans_y, frame_trans_z)
|
|
|
|
#now for the vertices
|
|
for vert_counter in range(0, md2.num_vertices):
|
|
#add a vertex to the md2 structure
|
|
md2.frames[frame_counter].vertices.append(md2_point())
|
|
#figure out the new coords based on scale and transform
|
|
#then translates the point so it's not less than 0
|
|
#then scale it so it's between 0..255
|
|
new_x=int((mesh.verts[vert_counter].co[1]-frame_trans_x)/frame_scale_x)
|
|
new_y=int((mesh.verts[vert_counter].co[0]-frame_trans_y)/frame_scale_y)
|
|
new_z=int((mesh.verts[vert_counter].co[2]-frame_trans_z)/frame_scale_z)
|
|
#put them in the structure
|
|
md2.frames[frame_counter].vertices[vert_counter].vertices=(new_x, new_y, new_z)
|
|
|
|
#need to add the lookup table check here
|
|
maxdot = -999999.0;
|
|
maxdotindex = -1;
|
|
|
|
for j in range(0,162):
|
|
#dot = (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
|
|
x1=mesh.verts[vert_counter].no[1]
|
|
y1=mesh.verts[vert_counter].no[0]
|
|
z1=mesh.verts[vert_counter].no[2]
|
|
dot = (x1*MD2_NORMALS[j][0]+
|
|
y1*MD2_NORMALS[j][1]+
|
|
z1*MD2_NORMALS[j][2]);
|
|
if (dot > maxdot):
|
|
maxdot = dot;
|
|
maxdotindex = j;
|
|
|
|
md2.frames[frame_counter].vertices[vert_counter].lightnormalindex=maxdotindex
|
|
|
|
|
|
|
|
|
|
#output all the frame names-user_frame_list is loaded during the validation
|
|
for frame_set in user_frame_list:
|
|
for counter in range(frame_set[1]-1, frame_set[2]):
|
|
md2.frames[counter].name=frame_set[0]+"_"+str(counter-frame_set[1]+2)
|
|
|
|
#compute these after everthing is loaded into a md2 structure
|
|
header_size=17*4 #17 integers, and each integer is 4 bytes
|
|
skin_size=64*md2.num_skins #64 char per skin * number of skins
|
|
tex_coord_size=4*md2.num_tex_coords #2 short * number of texture coords
|
|
face_size=12*md2.num_faces #3 shorts for vertex index, 3 shorts for tex index
|
|
frames_size=(((12+12+16)+(4*md2.num_vertices)) * md2.num_frames) #frame info+verts per frame*num frames
|
|
GL_command_size=md2.num_GL_commands*4 #each is an int or float, so 4 bytes per
|
|
|
|
#fill in the info about offsets
|
|
md2.offset_skins=0+header_size
|
|
md2.offset_tex_coords=md2.offset_skins+skin_size
|
|
md2.offset_faces=md2.offset_tex_coords+tex_coord_size
|
|
md2.offset_frames=md2.offset_faces+face_size
|
|
md2.offset_GL_commands=md2.offset_frames+frames_size
|
|
md2.offset_end=md2.offset_GL_commands+GL_command_size
|
|
|
|
######################################################
|
|
# Get Frame List
|
|
######################################################
|
|
def get_frame_list():
|
|
global g_frame_filename
|
|
frame_list=[]
|
|
|
|
if g_frame_filename.val=="default":
|
|
return MD2_FRAME_NAME_LIST
|
|
|
|
else:
|
|
#check for file
|
|
if (Blender.sys.exists(g_frame_filename.val)==1):
|
|
#open file and read it in
|
|
file=open(g_frame_filename.val,"r")
|
|
lines=file.readlines()
|
|
file.close()
|
|
|
|
#check header (first line)
|
|
if lines[0]<>"# MD2 Frame Name List\n":
|
|
print "its not a valid file"
|
|
result=Blender.Draw.PupMenu("This is not a valid frame definition file-using default%t|OK")
|
|
return MD2_FRAME_NAME_LIST
|
|
else:
|
|
#read in the data
|
|
num_frames=0
|
|
for counter in range(1, len(lines)):
|
|
current_line=lines[counter]
|
|
if current_line[0]=="#":
|
|
#found a comment
|
|
pass
|
|
else:
|
|
data=current_line.split()
|
|
frame_list.append([data[0],num_frames+1, num_frames+int(data[1])])
|
|
num_frames+=int(data[1])
|
|
return frame_list
|
|
else:
|
|
print "Cannot find file"
|
|
result=Blender.Draw.PupMenu("Cannot find frame definion file-using default%t|OK")
|
|
return MD2_FRAME_NAME_LIST
|
|
|
|
######################################################
|
|
# Tri-Strip/Tri-Fan functions
|
|
######################################################
|
|
def find_strip_length(md2, start_tri, start_vert):
|
|
#variables shared between fan and strip functions
|
|
global used
|
|
global strip_vert
|
|
global strip_st
|
|
global strip_tris
|
|
global strip_count
|
|
|
|
m1=m2=0
|
|
st1=st2=0
|
|
|
|
used[start_tri]=2
|
|
|
|
last=start_tri
|
|
|
|
strip_vert[0]=md2.faces[last].vertex_index[start_vert%3]
|
|
strip_vert[1]=md2.faces[last].vertex_index[(start_vert+1)%3]
|
|
strip_vert[2]=md2.faces[last].vertex_index[(start_vert+2)%3]
|
|
|
|
strip_st[0]=md2.faces[last].texture_index[start_vert%3]
|
|
strip_st[1]=md2.faces[last].texture_index[(start_vert+1)%3]
|
|
strip_st[2]=md2.faces[last].texture_index[(start_vert+2)%3]
|
|
|
|
strip_tris[0]=start_tri
|
|
strip_count=1
|
|
|
|
m1=md2.faces[last].vertex_index[(start_vert+2)%3]
|
|
st1=md2.faces[last].texture_index[(start_vert+2)%3]
|
|
m2=md2.faces[last].vertex_index[(start_vert+1)%3]
|
|
st2=md2.faces[last].texture_index[(start_vert+1)%3]
|
|
|
|
#look for matching triangle
|
|
check=start_tri+1
|
|
|
|
for tri_counter in range(start_tri+1, md2.num_faces):
|
|
|
|
for k in range(0,3):
|
|
if md2.faces[check].vertex_index[k]!=m1:
|
|
continue
|
|
if md2.faces[check].texture_index[k]!=st1:
|
|
continue
|
|
if md2.faces[check].vertex_index[(k+1)%3]!=m2:
|
|
continue
|
|
if md2.faces[check].texture_index[(k+1)%3]!=st2:
|
|
continue
|
|
|
|
#if we can't use this triangle, this tri_strip is done
|
|
if (used[tri_counter]!=0):
|
|
for clear_counter in range(start_tri+1, md2.num_faces):
|
|
if used[clear_counter]==2:
|
|
used[clear_counter]=0
|
|
return strip_count
|
|
|
|
#new edge
|
|
if (strip_count & 1):
|
|
m2=md2.faces[check].vertex_index[(k+2)%3]
|
|
st2=md2.faces[check].texture_index[(k+2)%3]
|
|
else:
|
|
m1=md2.faces[check].vertex_index[(k+2)%3]
|
|
st1=md2.faces[check].texture_index[(k+2)%3]
|
|
|
|
strip_vert[strip_count+2]=md2.faces[tri_counter].vertex_index[(k+2)%3]
|
|
strip_st[strip_count+2]=md2.faces[tri_counter].texture_index[(k+2)%3]
|
|
strip_tris[strip_count]=tri_counter
|
|
strip_count+=1
|
|
|
|
used[tri_counter]=2
|
|
check+=1
|
|
return strip_count
|
|
|
|
def find_fan_length(md2, start_tri, start_vert):
|
|
#variables shared between fan and strip functions
|
|
global used
|
|
global strip_vert
|
|
global strip_st
|
|
global strip_tris
|
|
global strip_count
|
|
|
|
m1=m2=0
|
|
st1=st2=0
|
|
|
|
used[start_tri]=2
|
|
|
|
last=start_tri
|
|
|
|
strip_vert[0]=md2.faces[last].vertex_index[start_vert%3]
|
|
strip_vert[1]=md2.faces[last].vertex_index[(start_vert+1)%3]
|
|
strip_vert[2]=md2.faces[last].vertex_index[(start_vert+2)%3]
|
|
|
|
strip_st[0]=md2.faces[last].texture_index[start_vert%3]
|
|
strip_st[1]=md2.faces[last].texture_index[(start_vert+1)%3]
|
|
strip_st[2]=md2.faces[last].texture_index[(start_vert+2)%3]
|
|
|
|
strip_tris[0]=start_tri
|
|
strip_count=1
|
|
|
|
m1=md2.faces[last].vertex_index[(start_vert+0)%3]
|
|
st1=md2.faces[last].texture_index[(start_vert+0)%3]
|
|
m2=md2.faces[last].vertex_index[(start_vert+2)%3]
|
|
st2=md2.faces[last].texture_index[(start_vert+2)%3]
|
|
|
|
#look for matching triangle
|
|
check=start_tri+1
|
|
for tri_counter in range(start_tri+1, md2.num_faces):
|
|
for k in range(0,3):
|
|
if md2.faces[check].vertex_index[k]!=m1:
|
|
continue
|
|
if md2.faces[check].texture_index[k]!=st1:
|
|
continue
|
|
if md2.faces[check].vertex_index[(k+1)%3]!=m2:
|
|
continue
|
|
if md2.faces[check].texture_index[(k+1)%3]!=st2:
|
|
continue
|
|
|
|
#if we can't use this triangle, this tri_strip is done
|
|
if (used[tri_counter]!=0):
|
|
for clear_counter in range(start_tri+1, md2.num_faces):
|
|
if used[clear_counter]==2:
|
|
used[clear_counter]=0
|
|
return strip_count
|
|
|
|
#new edge
|
|
m2=md2.faces[check].vertex_index[(k+2)%3]
|
|
st2=md2.faces[check].texture_index[(k+2)%3]
|
|
|
|
strip_vert[strip_count+2]=m2
|
|
strip_st[strip_count+2]=st2
|
|
strip_tris[strip_count]=tri_counter
|
|
strip_count+=1
|
|
|
|
used[tri_counter]=2
|
|
check+=1
|
|
return strip_count
|
|
|
|
|
|
######################################################
|
|
# Globals for GL command list calculations
|
|
######################################################
|
|
used=[]
|
|
strip_vert=0
|
|
strip_st=0
|
|
strip_tris=0
|
|
strip_count=0
|
|
|
|
######################################################
|
|
# Build GL command List
|
|
######################################################
|
|
def build_GL_commands(md2):
|
|
#variables shared between fan and strip functions
|
|
global used
|
|
used=[0]*md2.num_faces
|
|
global strip_vert
|
|
strip_vert=[0]*128
|
|
global strip_st
|
|
strip_st=[0]*128
|
|
global strip_tris
|
|
strip_tris=[0]*128
|
|
global strip_count
|
|
strip_count=0
|
|
|
|
#variables
|
|
num_commands=0
|
|
start_vert=0
|
|
fan_length=strip_length=0
|
|
length=best_length=0
|
|
best_type=0
|
|
best_vert=[0]*1024
|
|
best_st=[0]*1024
|
|
best_tris=[0]*1024
|
|
s=0.0
|
|
t=0.0
|
|
|
|
for face_counter in range(0,md2.num_faces):
|
|
if used[face_counter]!=0: #don't evaluate a tri that's been used
|
|
#print "found a used triangle: ", face_counter
|
|
pass
|
|
else:
|
|
best_length=0 #restart the counter
|
|
#for each vertex index in this face
|
|
for start_vert in range(0,3):
|
|
fan_length=find_fan_length(md2, face_counter, start_vert)
|
|
if (fan_length>best_length):
|
|
best_type=1
|
|
best_length=fan_length
|
|
for index in range (0, best_length+2):
|
|
best_st[index]=strip_st[index]
|
|
best_vert[index]=strip_vert[index]
|
|
for index in range(0, best_length):
|
|
best_tris[index]=strip_tris[index]
|
|
|
|
strip_length=find_strip_length(md2, face_counter, start_vert)
|
|
if (strip_length>best_length):
|
|
best_type=0
|
|
best_length=strip_length
|
|
for index in range (0, best_length+2):
|
|
best_st[index]=strip_st[index]
|
|
best_vert[index]=strip_vert[index]
|
|
for index in range(0, best_length):
|
|
best_tris[index]=strip_tris[index]
|
|
|
|
#mark the tris on the best strip/fan as used
|
|
for used_counter in range (0, best_length):
|
|
used[best_tris[used_counter]]=1
|
|
|
|
temp_cmdlist=md2_GL_cmd_list()
|
|
#push the number of commands into the command stream
|
|
if best_type==1:
|
|
temp_cmdlist.num=best_length+2
|
|
num_commands+=1
|
|
else:
|
|
temp_cmdlist.num=(-(best_length+2))
|
|
num_commands+=1
|
|
for command_counter in range (0, best_length+2):
|
|
#emit a vertex into the reorder buffer
|
|
cmd=md2_GL_command()
|
|
index=best_st[command_counter]
|
|
#calc and put S/T coords in the structure
|
|
s=md2.tex_coords[index].u
|
|
t=md2.tex_coords[index].v
|
|
s=(s+0.5)/md2.skin_width
|
|
t=(t+0.5)/md2.skin_height
|
|
cmd.s=s
|
|
cmd.t=t
|
|
cmd.vert_index=best_vert[command_counter]
|
|
temp_cmdlist.cmd_list.append(cmd)
|
|
num_commands+=3
|
|
md2.GL_commands.append(temp_cmdlist)
|
|
|
|
#end of list
|
|
temp_cmdlist=md2_GL_cmd_list()
|
|
temp_cmdlist.num=0
|
|
md2.GL_commands.append(temp_cmdlist)
|
|
num_commands+=1
|
|
|
|
#cleanup and return
|
|
used=best_vert=best_st=best_tris=strip_vert=strip_st=strip_tris=0
|
|
return num_commands
|
|
|
|
######################################################
|
|
# Save MD2 Format
|
|
######################################################
|
|
def save_md2(filename):
|
|
md2=md2_obj() #blank md2 object to save
|
|
|
|
#get the object
|
|
mesh_objs = Blender.Object.GetSelected()
|
|
|
|
#check there is a blender object selected
|
|
if len(mesh_objs)==0:
|
|
print "Fatal Error: Must select a mesh to output as MD2"
|
|
print "Found nothing"
|
|
result=Blender.Draw.PupMenu("Must select an object to export%t|OK")
|
|
return
|
|
|
|
mesh_obj=mesh_objs[0] #this gets the first object (should be only one)
|
|
|
|
#check if it's a mesh object
|
|
if mesh_obj.getType()!="Mesh":
|
|
print "Fatal Error: Must select a mesh to output as MD2"
|
|
print "Found: ", mesh_obj.getType()
|
|
result=Blender.Draw.PupMenu("Selected Object must be a mesh to output as MD2%t|OK")
|
|
return
|
|
|
|
ok=validation(mesh_obj)
|
|
if ok==False:
|
|
return
|
|
|
|
fill_md2(md2, mesh_obj)
|
|
md2.dump()
|
|
|
|
#actually write it to disk
|
|
file=open(filename,"wb")
|
|
md2.save(file)
|
|
file.close()
|
|
|
|
#cleanup
|
|
md2=0
|
|
|
|
print "Closed the file" |