forked from bartvdbraak/blender
449 lines
11 KiB
Python
449 lines
11 KiB
Python
#!BPY
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"""
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Name: 'Quake 3 (.map)'
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Blender: 243
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Group: 'Export'
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Tooltip: 'Export to Quake map format'
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"""
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__author__ = 'Campbell Barton'
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__version__ = '0.1'
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__email__ = "cbarton@metavr.com"
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__bpydoc__ = """\
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This script Exports a Quake 3 map format.
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Supports meshes, lights and nurbs patch surfaces
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"""
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# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# Script copyright (C): Campbell Barton
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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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from Blender import *
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import BPyMesh
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PREF_SCALE= Draw.Create(100)
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PREF_FACE_THICK= Draw.Create(0.1)
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PREF_GRID_SNAP= Draw.Create(0)
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# Quake 1/2?
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# PREF_DEF_TEX_OPTS= Draw.Create(' 0 0 0 1 1\n') # not user settable yet
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# Quake 3+?
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PREF_DEF_TEX_OPTS= Draw.Create(' 0 0 0 1 1 0 0 0\n') # not user settable yet
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PREF_NULL_TEX= Draw.Create('NULL') # not user settable yet
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PREF_INVIS_TEX= Draw.Create('common/caulk')
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def write_cube2brush(file, faces):
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'''
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Takes 6 faces and writes a brush,
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these faces can be from 1 mesh, 1 cube within a mesh of larger cubes
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Faces could even come from different meshes or be contrived.
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'''
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# comment only
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# file.write('// brush "%s", "%s"\n' % (ob.name, ob.getData(name_only=1)))
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file.write('// brush from cube\n{\n')
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if PREF_GRID_SNAP.val: format_vec= '( %d %d %d ) '
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else: format_vec= '( %.8f %.8f %.8f ) '
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for f in faces:
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# from 4 verts this gets them in reversed order and only 3 of them
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# 0,1,2,3 -> 2,1,0
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for v in f.v[2::-1]:
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file.write(format_vec % tuple(v.co) )
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try: mode= f.mode
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except: mode= 0
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if mode & Mesh.FaceModes.INVISIBLE:
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file.write(PREF_INVIS_TEX.val)
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else:
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try: image= f.image
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except: image= None
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if image: file.write(sys.splitext(sys.basename(image.filename))[0])
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else: file.write(PREF_NULL_TEX.val)
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# Texture stuff ignored for now
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file.write(PREF_DEF_TEX_OPTS.val)
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file.write('}\n')
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def round_vec(v):
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if PREF_GRID_SNAP.val:
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return round(v.x), round(v.y), round(v.z)
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else:
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return tuple(v)
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def write_face2brush(file, face):
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'''
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takes a face and writes it as a brush
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each face is a cube/brush
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'''
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if PREF_GRID_SNAP.val: format_vec= '( %d %d %d ) '
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else: format_vec= '( %.8f %.8f %.8f ) '
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image_text= PREF_NULL_TEX.val
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try: mode= face.mode
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except: mode= 0
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if mode & Mesh.FaceModes.INVISIBLE:
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image_text= PREF_INVIS_TEX.val
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else:
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try: image= face.image
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except: image= None
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if image: image_text = sys.splitext(sys.basename(image.filename))[0]
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# original verts as tuples for writing
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orig_vco= [tuple(v.co) for v in face]
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# new verts that give the face a thickness
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dist= PREF_SCALE.val * PREF_FACE_THICK.val
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new_vco= [round_vec(v.co - (v.no * dist)) for v in face]
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#new_vco= [round_vec(v.co - (face.no * dist)) for v in face]
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file.write('// brush from face\n{\n')
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# front
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for co in orig_vco[2::-1]:
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file.write(format_vec % co )
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file.write(image_text)
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# Texture stuff ignored for now
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file.write(PREF_DEF_TEX_OPTS.val)
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for co in new_vco[:3]:
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file.write(format_vec % co )
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if mode & Mesh.FaceModes.TWOSIDE:
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file.write(image_text)
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else:
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file.write(PREF_INVIS_TEX.val)
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# Texture stuff ignored for now
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file.write(PREF_DEF_TEX_OPTS.val)
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# sides.
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if len(orig_vco)==3: # Tri, it seemms tri brushes are supported.
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index_pairs= ((0,1), (1,2), (2,0))
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else:
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index_pairs= ((0,1), (1,2), (2,3), (3,0))
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for i1, i2 in index_pairs:
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for co in orig_vco[i1], orig_vco[i2], new_vco[i2]:
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file.write( format_vec % co )
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file.write(PREF_INVIS_TEX.val)
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file.write(PREF_DEF_TEX_OPTS.val)
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file.write('}\n')
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def is_cube_facegroup(faces):
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'''
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Returens a bool, true if the faces make up a cube
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'''
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# cube must have 6 faces
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if len(faces) != 6:
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print '1'
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return False
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# Check for quads and that there are 6 unique verts
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verts= {}
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for f in faces:
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if len(f)!= 4:
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return False
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for v in f:
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verts[v.index]= 0
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if len(verts) != 8:
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return False
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# Now check that each vert has 3 face users
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for f in faces:
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for v in f:
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verts[v.index] += 1
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for v in verts.itervalues():
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if v != 3: # vert has 3 users?
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return False
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# Could we check for 12 unique edges??, probably not needed.
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return True
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def is_tricyl_facegroup(faces):
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'''
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is the face group a tri cylinder
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Returens a bool, true if the faces make an extruded tri solid
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'''
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return False
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# cube must have 5 faces
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if len(faces) != 5:
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print '1'
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return False
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# Check for quads and that there are 6 unique verts
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verts= {}
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tottri= 0
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for f in faces:
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if len(f)== 3:
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tottri+=1
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for v in f:
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verts[v.index]= 0
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if len(verts) != 6 or tottri != 2:
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return False
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# Now check that each vert has 3 face users
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for f in faces:
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for v in f:
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verts[v.index] += 1
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for v in verts.itervalues():
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if v != 3: # vert has 3 users?
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return False
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# Could we check for 12 unique edges??, probably not needed.
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return True
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def write_node_map(file, ob):
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'''
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Writes the properties of an object (empty in this case)
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as a MAP node as long as it has the property name - classname
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returns True/False based on weather a node was written
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'''
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props= [(p.name, p.data) for p in ob.properties]
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IS_MAP_NODE= False
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for name, value in props:
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if name=='classname':
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IS_MAP_NODE= True
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break
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if not IS_MAP_NODE:
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return False
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# Write a node
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file.write('{\n')
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for name_value in props:
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file.write('"%s" "%s"\n' % name_value)
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file.write('}\n')
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return True
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def export_map(filepath):
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pup_block = [\
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('Scale:', PREF_SCALE, 1, 1000, 'Scale the blender scene by this value.'),\
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('Face Width:', PREF_FACE_THICK, 0.01, 10, 'Thickness of faces exported as brushes.'),\
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('Grid Snap', PREF_GRID_SNAP, 'snaps floating point values to whole numbers.'),\
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'Null Texture',\
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('', PREF_NULL_TEX, 1, 128, 'Export textureless faces with this texture'),\
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'Unseen Texture',\
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('', PREF_INVIS_TEX, 1, 128, 'Export invisible faces with this texture'),\
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]
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if not Draw.PupBlock('map export', pup_block):
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return
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Window.WaitCursor(1)
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time= sys.time()
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print 'Map Exporter 0.0'
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file= open(filepath, 'w')
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obs_mesh= []
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obs_lamp= []
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obs_surf= []
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obs_empty= []
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SCALE_MAT= Mathutils.Matrix()
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SCALE_MAT[0][0]= SCALE_MAT[1][1]= SCALE_MAT[2][2]= PREF_SCALE.val
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dummy_mesh= Mesh.New()
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TOTBRUSH= TOTLAMP= TOTNODE= 0
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for ob in Object.GetSelected():
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type= ob.getType()
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if type == 'Mesh': obs_mesh.append(ob)
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elif type == 'Surf': obs_surf.append(ob)
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elif type == 'Lamp': obs_lamp.append(ob)
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elif type == 'Empty': obs_empty.append(ob)
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if obs_mesh or obs_surf:
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# brushes and surf's must be under worldspan
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file.write('\n// entity 0\n')
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file.write('{\n')
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file.write('"classname" "worldspawn"\n')
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print '\twriting cubes from meshes'
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for ob in obs_mesh:
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dummy_mesh.getFromObject(ob.name)
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#print len(mesh_split2connected(dummy_mesh))
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# Is the object 1 cube? - object-is-a-brush
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dummy_mesh.transform(ob.matrixWorld*SCALE_MAT) # 1 to tx the normals also
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if PREF_GRID_SNAP.val:
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for v in dummy_mesh.verts:
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co= v.co
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co.x= round(co.x)
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co.y= round(co.y)
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co.z= round(co.z)
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# High quality normals
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BPyMesh.meshCalcNormals(dummy_mesh)
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# Split mesh into connected regions
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for face_group in BPyMesh.mesh2linkedFaces(dummy_mesh):
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if is_cube_facegroup(face_group):
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write_cube2brush(file, face_group)
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TOTBRUSH+=1
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elif is_tricyl_facegroup(face_group):
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write_cube2brush(file, face_group)
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TOTBRUSH+=1
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else:
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for f in face_group:
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write_face2brush(file, f)
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TOTBRUSH+=1
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#print 'warning, not exporting "%s" it is not a cube' % ob.name
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dummy_mesh.verts= None
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valid_dims= 3,5,7,9,11,13,15
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for ob in obs_surf:
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'''
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Surf, patches
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'''
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surf_name= ob.getData(name_only=1)
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data= Curve.Get(surf_name)
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mat = ob.matrixWorld*SCALE_MAT
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# This is what a valid patch looks like
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"""
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// brush 0
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{
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patchDef2
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{
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NULL
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( 3 3 0 0 0 )
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(
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( ( -64 -64 0 0 0 ) ( -64 0 0 0 -2 ) ( -64 64 0 0 -4 ) )
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( ( 0 -64 0 2 0 ) ( 0 0 0 2 -2 ) ( 0 64 0 2 -4 ) )
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( ( 64 -64 0 4 0 ) ( 64 0 0 4 -2 ) ( 80 88 0 4 -4 ) )
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)
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}
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}
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"""
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for i, nurb in enumerate(data):
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u= nurb.pointsU
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v= nurb.pointsV
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if u in valid_dims and v in valid_dims:
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file.write('// brush %d surf_name\n' % i)
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file.write('{\n')
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file.write('patchDef2\n')
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file.write('{\n')
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file.write('NULL\n')
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file.write('( %d %d 0 0 0 )\n' % (u, v) )
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file.write('(\n')
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u_iter = 0
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for p in nurb:
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if u_iter == 0:
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file.write('(')
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u_iter += 1
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# add nmapping 0 0 ?
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if PREF_GRID_SNAP.val:
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file.write(' ( %d %d %d 0 0 )' % round_vec(Mathutils.Vector(p[0:3]) * mat))
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else:
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file.write(' ( %.6f %.6f %.6f 0 0 )' % tuple(Mathutils.Vector(p[0:3]) * mat))
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# Move to next line
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if u_iter == u:
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file.write(' )\n')
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u_iter = 0
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file.write(')\n')
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file.write('}\n')
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file.write('}\n')
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# Debugging
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# for p in nurb: print 'patch', p
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else:
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print "NOT EXPORTING PATCH", surf_name, u,v, 'Unsupported'
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file.write('}\n') # end worldspan
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print '\twriting lamps'
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for ob in obs_lamp:
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print '\t\t%s' % ob.name
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lamp= ob.data
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file.write('{\n')
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file.write('"classname" "light"\n')
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file.write('"light" "%.6f"\n' % (lamp.dist* PREF_SCALE.val))
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if PREF_GRID_SNAP.val:
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file.write('"origin" "%d %d %d"\n' % tuple([round(axis*PREF_SCALE.val) for axis in ob.getLocation('worldspace')]) )
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else:
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file.write('"origin" "%.6f %.6f %.6f"\n' % tuple([axis*PREF_SCALE.val for axis in ob.getLocation('worldspace')]) )
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file.write('"_color" "%.6f %.6f %.6f"\n' % tuple(lamp.col))
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file.write('"style" "0"\n')
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file.write('}\n')
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TOTLAMP+=1
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print '\twriting empty objects as nodes'
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for ob in obs_empty:
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if write_node_map(file, ob):
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print '\t\t%s' % ob.name
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TOTNODE+=1
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else:
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print '\t\tignoring %s' % ob.name
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Window.WaitCursor(0)
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print 'Exported Map in %.4fsec' % (sys.time()-time)
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print 'Brushes: %d Nodes: %d Lamps %d\n' % (TOTBRUSH, TOTNODE, TOTLAMP)
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def main():
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Window.FileSelector(export_map, 'EXPORT MAP', '*.map')
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if __name__ == '__main__': main()
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# export_map('/foo.map') |