archive/blender-archive
Archived
1
1
Fork 0
Code Pull Requests Packages Activity

this importer tried to be smart by splitting quads that were not planer. - This is not somthing an importer should do and a user was having problems importing meshes to subsurf from lightwave.

Browse Source 
also some other updates, and small cleanup.
This commit is contained in:
Campbell Barton
2007-07-30 02:24:17 +00:00
parent 6dcde0b5be
commit 8b127a9bc1
1 changed files with 78 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

157
release/scripts/lightwave_import.py
View File

@@ -693,7 +693,7 @@ def read_clip(lwochunk, dir_part):
i = i + 6 + subchunklen
#end loop on surf chunks
###if DEBUG: print "read image:%s" % clip_dict
if clip_dict.has_key('XREF'):
if 'XREF' in clip_dict: # has_key
###if DEBUG: print "Cross-reference: no image pre-allocated."
return clip_dict
#look for images
@@ -985,7 +985,8 @@ def read_surfs(lwochunk, surf_list, tag_list):
if uvname: # != "":
my_dict['UVNAME'] = uvname #theoretically there could be a number of them: only one used per surf
if not(my_dict.has_key('g_IMAG')) and (rr.has_key('CHAN')) and (rr.has_key('OPAC')) and (rr.has_key('IMAG')):
# all are dictionaries - so testing keys
if not('g_IMAG' in my_dict) and ('CHAN' in rr) and ('OPAC' in rr) and ('IMAG' in rr):
if (rr['CHAN'] == 'COLR') and (rr['OPAC'] == 0):
my_dict['g_IMAG'] = rr['IMAG'] #do not set anything, just save image object for later assignment
subchunklen = 0 #force ending
@@ -1008,11 +1009,15 @@ def read_surfs(lwochunk, surf_list, tag_list):
def reduce_face(verts, face):
TriangleArea= Blender.Mathutils.TriangleArea
Vector= Blender.Mathutils.Vector
####if DEBUG: print len(face), face
# wants indicies local to the face
len_face= len(face)
# Dont do this, its no good - odd quads are ok and used in subsurf modeling
"""
TriangleArea= Blender.Mathutils.TriangleArea
if len_face==3:
return [face]
elif len_face==4:
@@ -1031,11 +1036,13 @@ def reduce_face(verts, face):
return [[0,1,2], [0,2,3]]
else:
return [[0,1,3], [1,2,3]]
"""
if len(face) <= 4:
return [face]
else: # 5+
####if DEBUG: print 'SCANFILL...', len(face)
ngons= BPyMesh.ngon(verts, face, PREF_FIX_LOOPS= True)
return ngons
###if DEBUG: print 'SCANFILL...', len(face)
return BPyMesh.ngon(verts, face, PREF_FIX_LOOPS= True)
@@ -1109,7 +1116,7 @@ def my_create_mesh(clip_list, surf, objspec_list, current_facelist, objname, not
pass
msh.mode |= Blender.Mesh.Modes.AUTOSMOOTH #smooth it anyway
if surf.has_key('SMAN'):
if 'SMAN' in surf: # has_key
#not allowed mixed mode mesh (all the mesh is smoothed and all with the same angle)
#only one smoothing angle will be active! => take the max one
msh.degr = min(80, int(surf['SMAN']/3.1415926535897932384626433832795*180.0)) #lwo in radians - blender in degrees
@@ -1119,12 +1126,8 @@ def my_create_mesh(clip_list, surf, objspec_list, current_facelist, objname, not
except:
img= None
#uv_flag = ((surf.has_key('UVNAME')) and (uvcoords_dict.has_key(surf['UVNAME'])) and (img != None))
uv_flag = ((surf.has_key('UVNAME')) and (uvcoords_dict.has_key(surf['UVNAME'])))
uv_flag = (('UVNAME' in surf) and (surf['UVNAME'] in uvcoords_dict))
###if DEBUG: print "\n#===================================================================#"
###if DEBUG: print "Processing Object: %s" % objname
@@ -1186,55 +1189,50 @@ def my_create_mesh(clip_list, surf, objspec_list, current_facelist, objname, not
uvs.append(default_uv)
return uvs
cur_face
for i in cur_ptag_faces_indexes:
cur_face = complete_facelist[i]
numfaceverts = len(cur_face)
if numfaceverts == 2: edges.append((vertex_map[cur_face[0]], vertex_map[cur_face[1]]))
elif numfaceverts == 3:
rev_face = (cur_face[2], cur_face[1], cur_face[0])
elif numfaceverts == 3 or numfaceverts == 4:
rev_face = [__i for __i in reversed(cur_face)]
face_data.append( [vertex_map[j] for j in rev_face] )
if uv_flag: face_uvs.append(tmp_get_face_uvs(rev_face, i))
elif numfaceverts > 3:
elif numfaceverts > 4:
meta_faces= reduce_face(complete_vertlist, cur_face) # Indices of triangles
edge_face_count = {}
for mf in meta_faces:
# ###if DEBUG: print meta_faces
# These will always be tri's since they are scanfill faces
mf = cur_face[mf[2]], cur_face[mf[1]], cur_face[mf[0]]
face_data.append( [vertex_map[j] for j in mf] )
if len(mf) == 3: #triangle
mf = cur_face[mf[2]], cur_face[mf[1]], cur_face[mf[0]]
face_data.append( [vertex_map[j] for j in mf] )
if uv_flag: face_uvs.append(tmp_get_face_uvs(mf, i))
#if USE_FGON:
if len(meta_faces) > 1:
mf = face_data[-1] # reuse mf
for i in xrange(3):
v1= mf[i]
v2= mf[i-1]
if v1!=v2:
if v1>v2:
v2,v1= v1,v2
try:
edge_face_count[v1,v2]+= 1
except:
edge_face_count[v1,v2]= 0
if uv_flag: face_uvs.append(tmp_get_face_uvs(mf, i))
else: #quads
mf= cur_face[mf[3]], cur_face[mf[2]], cur_face[mf[1]], cur_face[mf[0]]
face_data.append( [vertex_map[j] for j in mf] )
if uv_flag: face_uvs.append(tmp_get_face_uvs(mf, i))
#if USE_FGON:
if len(meta_faces) > 1:
mf = face_data[-1] # reuse mf
for j in xrange(3):
v1= mf[j]
v2= mf[j-1]
if v1!=v2:
if v1>v2:
v2,v1= v1,v2
try:
edge_face_count[v1,v2]+= 1
except:
edge_face_count[v1,v2]= 0
if edge_face_count:
edges_fgon.extend( [vert_key for vert_key, count in edge_face_count.iteritems() if count] )
msh.edges.extend(edges)
if edges:
msh.edges.extend(edges)
face_mapping_removed = msh.faces.extend(face_data, indexList=True)
if surf.has_key('TRAN') or (mat and mat.alpha<1.0): # incase mat is null
if 'TRAN' in surf or (mat and mat.alpha<1.0): # incase mat is null
transp_flag = True
else:
transp_flag = False
@@ -1347,7 +1345,7 @@ def create_objects(clip_list, objspec_list, surf_list):
def lookup_imag(clip_list, ima_id):
for ii in clip_list:
if ii and ii['ID'] == ima_id:
if ii.has_key('XREF'):
if 'XREF' in ii: # has_key
#cross reference - recursively look for images
return lookup_imag(clip_list, ii['XREF'])
else:
@@ -1415,7 +1413,7 @@ def create_blok(surf, mat, clip_list, obj_size, obj_pos):
#if not blok['ENAB']:
# ###if DEBUG: print "***Image is not ENABled! Quitting this block"
# break
if not(blok.has_key('IMAG')):
if not('IMAG' in blok): # has_key
###if DEBUG: print "***No IMAGE for this block? Quitting"
break #extract out the image index within the clip_list
if blok['IMAG'] == 0: blok['IMAG'] = lastimag #experimental ....
@@ -1434,13 +1432,13 @@ def create_blok(surf, mat, clip_list, obj_size, obj_pos):
tname += "+"
else:
tname += "x" #let's signal when should not be enabled
if blok.has_key('CHAN'):
if 'CHAN' in blok: # has_key
tname += blok['CHAN']
newtex = bpy.data.textures.new(tname)
newtex.setType('Image') # make it anu image texture
newtex.image = img
#how does it extends beyond borders
if blok.has_key('WRAP'):
if 'WRAP' in blok: # has_key
if (blok['WRAP'] == 3) or (blok['WRAP'] == 2):
newtex.setExtend('Extend')
elif (blok['WRAP'] == 1):
@@ -1457,35 +1455,35 @@ def create_blok(surf, mat, clip_list, obj_size, obj_pos):
nega = False
mapflag = Blender.Texture.MapTo.COL #default to color
maptype = Blender.Texture.Mappings.FLAT
if blok.has_key('CHAN'):
if blok['CHAN'] == 'COLR' and blok.has_key('OPACVAL'):
if 'CHAN' in blok: # has_key
if blok['CHAN'] == 'COLR' and 'OPACVAL' in blok: # has_key
colfac = blok['OPACVAL']
# Blender needs this to be clamped
colfac = max(0.0, min(1.0, colfac))
###if DEBUG: print "!!!Set Texture -> MapTo -> Col = %.3f" % colfac
if blok['CHAN'] == 'BUMP':
mapflag = Blender.Texture.MapTo.NOR
if blok.has_key('OPACVAL'): norfac = blok['OPACVAL']
if 'OPACVAL' in blok: norfac = blok['OPACVAL'] # has_key
###if DEBUG: print "!!!Set Texture -> MapTo -> Nor = %.3f" % norfac
if blok['CHAN'] == 'LUMI':
mapflag = Blender.Texture.MapTo.EMIT
if blok.has_key('OPACVAL'): dvar = blok['OPACVAL']
if 'OPACVAL' in blok: dvar = blok['OPACVAL'] # has_key
###if DEBUG: print "!!!Set Texture -> MapTo -> DVar = %.3f" % dvar
if blok['CHAN'] == 'DIFF':
mapflag = Blender.Texture.MapTo.REF
if blok.has_key('OPACVAL'): dvar = blok['OPACVAL']
if 'OPACVAL' in blok: dvar = blok['OPACVAL'] # has_key
###if DEBUG: print "!!!Set Texture -> MapTo -> DVar = %.3f" % dvar
if blok['CHAN'] == 'SPEC':
mapflag = Blender.Texture.MapTo.SPEC
if blok.has_key('OPACVAL'): dvar = blok['OPACVAL']
if 'OPACVAL' in blok: dvar = blok['OPACVAL'] # has_key
###if DEBUG: print "!!!Set Texture -> MapTo -> DVar = %.3f" % dvar
if blok['CHAN'] == 'TRAN':
mapflag = Blender.Texture.MapTo.ALPHA
if blok.has_key('OPACVAL'): dvar = blok['OPACVAL']
if 'OPACVAL' in blok: dvar = blok['OPACVAL'] # has_key
###if DEBUG: print "!!!Set Texture -> MapTo -> DVar = %.3f" % dvar
alphaflag = 1
nega = True
if blok.has_key('NEGA'):
if 'NEGA' in blok: # has_key
###if DEBUG: print "!!!Watch-out: effect of this texture channel must be INVERTED!"
nega = not nega
@@ -1498,7 +1496,7 @@ def create_blok(surf, mat, clip_list, obj_size, obj_pos):
'Texture Displacement',
'Additive']
set_blendmode = 7 #default additive
if blok.has_key('OPAC'):
if 'OPAC' in blok: # has_key
set_blendmode = blok['OPAC']
if set_blendmode == 5: #transparency
newtex.imageFlags |= Blender.Texture.ImageFlags.CALCALPHA
@@ -1509,7 +1507,7 @@ def create_blok(surf, mat, clip_list, obj_size, obj_pos):
axis = [Blender.Texture.Proj.X, Blender.Texture.Proj.Y, Blender.Texture.Proj.Z]
size = [1.0] * 3
ofs = [0.0] * 3
if blok.has_key('PROJ'):
if 'PROJ' in blok: # has_key
if blok['PROJ'] == 0: #0 - Planar
###if DEBUG: print "!!!Flat projection"
coordflag = Blender.Texture.TexCo.ORCO
@@ -1598,44 +1596,44 @@ def update_material(clip_list, objspec, surf_list):
break
#mat = Blender.Material.New(surf['NAME'])
#surf['g_MAT'] = mat
if surf.has_key('COLR'):
if 'COLR' in surf: # has_key
mat.rgbCol = surf['COLR']
if surf.has_key('LUMI'):
if 'LUMI' in surf:
mat.setEmit(surf['LUMI'])
if surf.has_key('GVAL'):
if 'GVAL' in surf: # has_key
mat.setAdd(surf['GVAL'])
if surf.has_key('SPEC'):
mat.setSpec(surf['SPEC']) #it should be * 2 but seems to be a bit higher lwo [0.0, 1.0] - blender [0.0, 2.0]
if surf.has_key('DIFF'):
mat.setRef(surf['DIFF']) #lwo [0.0, 1.0] - blender [0.0, 1.0]
if surf.has_key('GLOS'): #lwo [0.0, 1.0] - blender [0, 255]
glo = int(371.67 * surf['GLOS'] - 42.334) #linear mapping - seems to work better than exp mapping
if glo <32: glo = 32 #clamped to 32-255
if 'SPEC' in surf: # has_key
mat.setSpec(surf['SPEC']) #it should be * 2 but seems to be a bit higher lwo [0.0, 1.0] - blender [0.0, 2.0]
if 'DIFF' in surf: # has_key
mat.setRef(surf['DIFF']) #lwo [0.0, 1.0] - blender [0.0, 1.0]
if 'GLOS' in surf: # has_key #lwo [0.0, 1.0] - blender [0, 255]
glo = int(371.67 * surf['GLOS'] - 42.334) #linear mapping - seems to work better than exp mapping
if glo <32: glo = 32 #clamped to 32-255
if glo >255: glo = 255
mat.setHardness(glo)
if surf.has_key('TRNL'):
if 'TRNL' in surf: # has_key
mat.setTranslucency(surf['TRNL']) #NOT SURE ABOUT THIS lwo [0.0, 1.0] - blender [0.0, 1.0]
mm = mat.getMode()
mm = mat.mode
mm |= Blender.Material.Modes.TRANSPSHADOW
if surf.has_key('REFL'):
if 'REFL' in surf: # has_key
mat.setRayMirr(surf['REFL']) #lwo [0.0, 1.0] - blender [0.0, 1.0]
mm |= Blender.Material.Modes.RAYMIRROR
if surf.has_key('TRAN'):
if 'TRAN' in surf: # has_key
mat.setAlpha(1.0-surf['TRAN']) #lwo [0.0, 1.0] - blender [1.0, 0.0]
mm |= Blender.Material.Modes.RAYTRANSP
if surf.has_key('RIND'):
if 'RIND' in surf: # has_key
s = surf['RIND']
if s < 1.0: s = 1.0
if s > 3.0: s = 3.0
mat.setIOR(s) #clipped to blender [1.0, 3.0]
mm |= Blender.Material.Modes.RAYTRANSP
if surf.has_key('BLOK') and surf['BLOK'] != []:
if 'BLOK' in surf and surf['BLOK'] != []:
#update the material according to texture.
alphaflag = create_blok(surf, mat, clip_list, obj_size, obj_pos)
if alphaflag:
mm |= Blender.Material.Modes.RAYTRANSP
mat.setMode(mm)
mat.mode = mm
#finished setting up the material
#end if exist SURF
#end loop on materials (SURFs)
@@ -1676,12 +1674,13 @@ def main():
return
Blender.Window.FileSelector(read, "Import LWO", '*.lwo')
if __name__=='__main__':
main()
"""
# Cams debugging lwo loader
# Cams debugging lwo loader
"""
TIME= Blender.sys.time()
import os
print 'Searching for files'