From 7870f73a4ebc6295a3cdbe1a9a71ecd675a105fc Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Fri, 27 May 2011 16:39:06 +0000
Subject: [PATCH] quake map exporter from blender 2.4x
---
io_scene_map/export_map.py | 454 +++++++++++++++++++++++++++++++++++++
1 file changed, 454 insertions(+)
create mode 100644 io_scene_map/export_map.py
diff --git a/io_scene_map/export_map.py b/io_scene_map/export_map.py
new file mode 100644
index 000000000..2262ae3b8
--- /dev/null
+++ b/io_scene_map/export_map.py
@@ -0,0 +1,454 @@
+#!BPY
+
+"""
+Name: 'Quake 3 (.map)'
+Blender: 249
+Group: 'Export'
+Tooltip: 'Export to Quake map format'
+"""
+
+__author__ = 'Campbell Barton'
+__version__ = '0.1a'
+__email__ = "ideasman42@gmail.com"
+__bpydoc__ = """\
+This script Exports a Quake 3 map format.
+
+ Supports meshes, lights and nurbs patch surfaces
+"""
+
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# Script copyright (C): Campbell Barton
+#
+# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# ***** END GPL LICENCE BLOCK *****
+# --------------------------------------------------------------------------
+
+
+
+
+from Blender import *
+import BPyMesh
+
+PREF_SCALE= Draw.Create(100)
+PREF_FACE_THICK= Draw.Create(0.1)
+PREF_GRID_SNAP= Draw.Create(0)
+# Quake 1/2?
+# PREF_DEF_TEX_OPTS= Draw.Create(' 0 0 0 1 1\n') # not user settable yet
+# Quake 3+?
+PREF_DEF_TEX_OPTS= Draw.Create(' 0 0 0 1 1 0 0 0\n') # not user settable yet
+
+PREF_NULL_TEX= Draw.Create('NULL') # not user settable yet
+PREF_INVIS_TEX= Draw.Create('common/caulk')
+
+def write_cube2brush(file, faces):
+ '''
+ Takes 6 faces and writes a brush,
+ these faces can be from 1 mesh, 1 cube within a mesh of larger cubes
+ Faces could even come from different meshes or be contrived.
+ '''
+ # comment only
+ # file.write('// brush "%s", "%s"\n' % (ob.name, ob.getData(name_only=1)))
+ file.write('// brush from cube\n{\n')
+
+ if PREF_GRID_SNAP.val: format_vec= '( %d %d %d ) '
+ else: format_vec= '( %.8f %.8f %.8f ) '
+
+ for f in faces:
+ # from 4 verts this gets them in reversed order and only 3 of them
+ # 0,1,2,3 -> 2,1,0
+ for v in f.v[2::-1]:
+ file.write(format_vec % tuple(v.co) )
+
+ try: mode= f.mode
+ except: mode= 0
+
+ if mode & Mesh.FaceModes.INVISIBLE:
+ file.write(PREF_INVIS_TEX.val)
+ else:
+ try: image= f.image
+ except: image= None
+
+ if image: file.write(sys.splitext(sys.basename(image.filename))[0])
+ else: file.write(PREF_NULL_TEX.val)
+
+ # Texture stuff ignored for now
+ file.write(PREF_DEF_TEX_OPTS.val)
+ file.write('}\n')
+
+
+def round_vec(v):
+ if PREF_GRID_SNAP.val:
+ return round(v.x), round(v.y), round(v.z)
+ else:
+ return tuple(v)
+
+def write_face2brush(file, face):
+ '''
+ takes a face and writes it as a brush
+ each face is a cube/brush
+ '''
+
+ if PREF_GRID_SNAP.val: format_vec= '( %d %d %d ) '
+ else: format_vec= '( %.8f %.8f %.8f ) '
+
+
+ image_text= PREF_NULL_TEX.val
+
+ try: mode= face.mode
+ except: mode= 0
+
+ if mode & Mesh.FaceModes.INVISIBLE:
+ image_text= PREF_INVIS_TEX.val
+ else:
+ try: image= face.image
+ except: image= None
+ if image: image_text = sys.splitext(sys.basename(image.filename))[0]
+
+ # original verts as tuples for writing
+ orig_vco= [tuple(v.co) for v in face]
+
+ # new verts that give the face a thickness
+ dist= PREF_SCALE.val * PREF_FACE_THICK.val
+ new_vco= [round_vec(v.co - (v.no * dist)) for v in face]
+ #new_vco= [round_vec(v.co - (face.no * dist)) for v in face]
+
+ file.write('// brush from face\n{\n')
+ # front
+ for co in orig_vco[2::-1]:
+ file.write(format_vec % co )
+ file.write(image_text)
+ # Texture stuff ignored for now
+ file.write(PREF_DEF_TEX_OPTS.val)
+
+
+ for co in new_vco[:3]:
+ file.write(format_vec % co )
+ if mode & Mesh.FaceModes.TWOSIDE:
+ file.write(image_text)
+ else:
+ file.write(PREF_INVIS_TEX.val)
+
+ # Texture stuff ignored for now
+ file.write(PREF_DEF_TEX_OPTS.val)
+
+ # sides.
+ if len(orig_vco)==3: # Tri, it seemms tri brushes are supported.
+ index_pairs= ((0,1), (1,2), (2,0))
+ else:
+ index_pairs= ((0,1), (1,2), (2,3), (3,0))
+
+ for i1, i2 in index_pairs:
+ for co in orig_vco[i1], orig_vco[i2], new_vco[i2]:
+ file.write( format_vec % co )
+ file.write(PREF_INVIS_TEX.val)
+ file.write(PREF_DEF_TEX_OPTS.val)
+
+ file.write('}\n')
+
+def is_cube_facegroup(faces):
+ '''
+ Returens a bool, true if the faces make up a cube
+ '''
+ # cube must have 6 faces
+ if len(faces) != 6:
+ print '1'
+ return False
+
+ # Check for quads and that there are 6 unique verts
+ verts= {}
+ for f in faces:
+ if len(f)!= 4:
+ return False
+
+ for v in f:
+ verts[v.index]= 0
+
+ if len(verts) != 8:
+ return False
+
+ # Now check that each vert has 3 face users
+ for f in faces:
+ for v in f:
+ verts[v.index] += 1
+
+ for v in verts.itervalues():
+ if v != 3: # vert has 3 users?
+ return False
+
+ # Could we check for 12 unique edges??, probably not needed.
+ return True
+
+def is_tricyl_facegroup(faces):
+ '''
+ is the face group a tri cylinder
+ Returens a bool, true if the faces make an extruded tri solid
+ '''
+
+ # cube must have 5 faces
+ if len(faces) != 5:
+ print '1'
+ return False
+
+ # Check for quads and that there are 6 unique verts
+ verts= {}
+ tottri= 0
+ for f in faces:
+ if len(f)== 3:
+ tottri+=1
+
+ for v in f:
+ verts[v.index]= 0
+
+ if len(verts) != 6 or tottri != 2:
+ return False
+
+ # Now check that each vert has 3 face users
+ for f in faces:
+ for v in f:
+ verts[v.index] += 1
+
+ for v in verts.itervalues():
+ if v != 3: # vert has 3 users?
+ return False
+
+ # Could we check for 12 unique edges??, probably not needed.
+ return True
+
+def write_node_map(file, ob):
+ '''
+ Writes the properties of an object (empty in this case)
+ as a MAP node as long as it has the property name - classname
+ returns True/False based on weather a node was written
+ '''
+ props= [(p.name, p.data) for p in ob.game_properties]
+
+ IS_MAP_NODE= False
+ for name, value in props:
+ if name=='classname':
+ IS_MAP_NODE= True
+ break
+
+ if not IS_MAP_NODE:
+ return False
+
+ # Write a node
+ file.write('{\n')
+ for name_value in props:
+ file.write('"%s" "%s"\n' % name_value)
+ if PREF_GRID_SNAP.val:
+ file.write('"origin" "%d %d %d"\n' % tuple([round(axis*PREF_SCALE.val) for axis in ob.getLocation('worldspace')]) )
+ else:
+ file.write('"origin" "%.6f %.6f %.6f"\n' % tuple([axis*PREF_SCALE.val for axis in ob.getLocation('worldspace')]) )
+ file.write('}\n')
+ return True
+
+
+def export_map(filepath):
+
+ pup_block = [\
+ ('Scale:', PREF_SCALE, 1, 1000, 'Scale the blender scene by this value.'),\
+ ('Face Width:', PREF_FACE_THICK, 0.01, 10, 'Thickness of faces exported as brushes.'),\
+ ('Grid Snap', PREF_GRID_SNAP, 'snaps floating point values to whole numbers.'),\
+ 'Null Texture',\
+ ('', PREF_NULL_TEX, 1, 128, 'Export textureless faces with this texture'),\
+ 'Unseen Texture',\
+ ('', PREF_INVIS_TEX, 1, 128, 'Export invisible faces with this texture'),\
+ ]
+
+ if not Draw.PupBlock('map export', pup_block):
+ return
+
+ Window.WaitCursor(1)
+ time= sys.time()
+ print 'Map Exporter 0.0'
+ file= open(filepath, 'w')
+
+
+ obs_mesh= []
+ obs_lamp= []
+ obs_surf= []
+ obs_empty= []
+
+ SCALE_MAT= Mathutils.Matrix()
+ SCALE_MAT[0][0]= SCALE_MAT[1][1]= SCALE_MAT[2][2]= PREF_SCALE.val
+
+ dummy_mesh= Mesh.New()
+
+ TOTBRUSH= TOTLAMP= TOTNODE= 0
+
+ for ob in Object.GetSelected():
+ type= ob.type
+ if type == 'Mesh': obs_mesh.append(ob)
+ elif type == 'Surf': obs_surf.append(ob)
+ elif type == 'Lamp': obs_lamp.append(ob)
+ elif type == 'Empty': obs_empty.append(ob)
+
+ if obs_mesh or obs_surf:
+ # brushes and surf's must be under worldspan
+ file.write('\n// entity 0\n')
+ file.write('{\n')
+ file.write('"classname" "worldspawn"\n')
+
+
+ print '\twriting cubes from meshes'
+ for ob in obs_mesh:
+ dummy_mesh.getFromObject(ob.name)
+
+ #print len(mesh_split2connected(dummy_mesh))
+
+ # Is the object 1 cube? - object-is-a-brush
+ dummy_mesh.transform(ob.matrixWorld*SCALE_MAT) # 1 to tx the normals also
+
+ if PREF_GRID_SNAP.val:
+ for v in dummy_mesh.verts:
+ co= v.co
+ co.x= round(co.x)
+ co.y= round(co.y)
+ co.z= round(co.z)
+
+ # High quality normals
+ BPyMesh.meshCalcNormals(dummy_mesh)
+
+ # Split mesh into connected regions
+ for face_group in BPyMesh.mesh2linkedFaces(dummy_mesh):
+ if is_cube_facegroup(face_group):
+ write_cube2brush(file, face_group)
+ TOTBRUSH+=1
+ elif is_tricyl_facegroup(face_group):
+ write_cube2brush(file, face_group)
+ TOTBRUSH+=1
+ else:
+ for f in face_group:
+ write_face2brush(file, f)
+ TOTBRUSH+=1
+
+ #print 'warning, not exporting "%s" it is not a cube' % ob.name
+
+
+ dummy_mesh.verts= None
+
+
+ valid_dims= 3,5,7,9,11,13,15
+ for ob in obs_surf:
+ '''
+ Surf, patches
+ '''
+ surf_name= ob.getData(name_only=1)
+ data= Curve.Get(surf_name)
+ mat = ob.matrixWorld*SCALE_MAT
+
+ # This is what a valid patch looks like
+
+ """
+// brush 0
+{
+patchDef2
+{
+NULL
+( 3 3 0 0 0 )
+(
+( ( -64 -64 0 0 0 ) ( -64 0 0 0 -2 ) ( -64 64 0 0 -4 ) )
+( ( 0 -64 0 2 0 ) ( 0 0 0 2 -2 ) ( 0 64 0 2 -4 ) )
+( ( 64 -64 0 4 0 ) ( 64 0 0 4 -2 ) ( 80 88 0 4 -4 ) )
+)
+}
+}
+ """
+ for i, nurb in enumerate(data):
+ u= nurb.pointsU
+ v= nurb.pointsV
+ if u in valid_dims and v in valid_dims:
+
+ file.write('// brush %d surf_name\n' % i)
+ file.write('{\n')
+ file.write('patchDef2\n')
+ file.write('{\n')
+ file.write('NULL\n')
+ file.write('( %d %d 0 0 0 )\n' % (u, v) )
+ file.write('(\n')
+
+ u_iter = 0
+ for p in nurb:
+
+ if u_iter == 0:
+ file.write('(')
+
+ u_iter += 1
+
+ # add nmapping 0 0 ?
+ if PREF_GRID_SNAP.val:
+ file.write(' ( %d %d %d 0 0 )' % round_vec(Mathutils.Vector(p[0:3]) * mat))
+ else:
+ file.write(' ( %.6f %.6f %.6f 0 0 )' % tuple(Mathutils.Vector(p[0:3]) * mat))
+
+ # Move to next line
+ if u_iter == u:
+ file.write(' )\n')
+ u_iter = 0
+
+ file.write(')\n')
+ file.write('}\n')
+ file.write('}\n')
+
+
+ # Debugging
+ # for p in nurb: print 'patch', p
+
+ else:
+ print "NOT EXPORTING PATCH", surf_name, u,v, 'Unsupported'
+
+
+ if obs_mesh or obs_surf:
+ file.write('}\n') # end worldspan
+
+
+ print '\twriting lamps'
+ for ob in obs_lamp:
+ print '\t\t%s' % ob.name
+ lamp= ob.data
+ file.write('{\n')
+ file.write('"classname" "light"\n')
+ file.write('"light" "%.6f"\n' % (lamp.dist* PREF_SCALE.val))
+ if PREF_GRID_SNAP.val:
+ file.write('"origin" "%d %d %d"\n' % tuple([round(axis*PREF_SCALE.val) for axis in ob.getLocation('worldspace')]) )
+ else:
+ file.write('"origin" "%.6f %.6f %.6f"\n' % tuple([axis*PREF_SCALE.val for axis in ob.getLocation('worldspace')]) )
+ file.write('"_color" "%.6f %.6f %.6f"\n' % tuple(lamp.col))
+ file.write('"style" "0"\n')
+ file.write('}\n')
+ TOTLAMP+=1
+
+
+ print '\twriting empty objects as nodes'
+ for ob in obs_empty:
+ if write_node_map(file, ob):
+ print '\t\t%s' % ob.name
+ TOTNODE+=1
+ else:
+ print '\t\tignoring %s' % ob.name
+
+ Window.WaitCursor(0)
+
+ print 'Exported Map in %.4fsec' % (sys.time()-time)
+ print 'Brushes: %d Nodes: %d Lamps %d\n' % (TOTBRUSH, TOTNODE, TOTLAMP)
+
+
+def main():
+ Window.FileSelector(export_map, 'EXPORT MAP', '*.map')
+
+if __name__ == '__main__': main()
+# export_map('/foo.map')
--
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