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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Copyright © 2012-2017 B. Clausius <barcc@gmx.de>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import sys, os
import re
import pickle
from array import array
from enum import Enum
from .debug import (debug, DEBUG_DRAW, DEBUG_DRAWNORMALS, DEBUG_DRAWAXES,
DEBUG_NOPICK, DEBUG_NOBEVEL, DEBUG_NOLABEL, DEBUG_NOBLACK,
DEBUG_NOCACHE, DEBUG_MODELFAST, DEBUG_CACHEUPDATE)
from .config import MODELS_DIR
from .utils import filebyteorder, epsilon, get_texcoords_range, Vector
try:
_
except NameError:
_ = lambda t: t
def get_texcoords(vector, normal, minx, maxx, miny, maxy):
x, y = vector.rotationyx_normal(normal)
return (x - minx) / (maxx - minx), (y - miny) / (maxy - miny)
class EmptyModel:
type = ''
symbols = ''
symbolsI = ''
faces = ''
default_rotation = (0., 0.)
size = sizes = ()
blocks = []
cell_count = 0
cells_visible_faces = []
def __init__(self, *unused_args):
pass
def __str__(self):
return 'no puzzle'
def gl_vertex_data(self, *unused_args):
return (0, b'', (0, 0, 0, 0, 0, 0), ([], 0, 0, 0), []), [()]
class Model:
bevel_width = 0.01 if DEBUG_NOBEVEL else 0.1
cache_index = {}
cache_data = {}
cache_vectors = {} if DEBUG_CACHEUPDATE else []
def __init__(self, mtype, size):
items = self.cache_index['type'][mtype].items()
self.type = mtype
for key, value in items:
setattr(self, key, value)
self.mformat = _(self.mformat)
# size for UI and config, sizes for plugins
self.size = self.cache_index['normsize'][mtype].get(size, self.defaultsize)
self.sizes, filename = self.cache_index['sizes'][mtype][self.size]
self.load_data(filename)
self.cell_count = len(self.cell_indices)
self.rotation_indices = {s:i for i, s in enumerate(self.rotation_symbols)}
self._inplace_rotations = None
if self.slicesmode == 'all':
self.ignored_slice = [None for sz in self.sizes]
elif self.slicesmode == 'mid':
self.ignored_slice = [(sz-1)//2 for sz in self.sizes]
elif self.slicesmode == 'last1':
self.ignored_slice = [(None if a == 1 else sz-1) for a, sz in enumerate(self.sizes)]
else:
assert False, self.slicesmode
#XXX: self.beveled_fvertdata generated here from a nested list, but
# the idices come from the modeldata files
self.beveled_fvertdata = self.gl_bevel_faces()
@property
def inplace_rotations(self):
if self._inplace_rotations is None:
# slow and only used in edit mode
self._inplace_rotations = []
for cellidx in range(self.cell_count):
inplace_rotations = []
for rotsym, blocknum_blocknum2 in self.rotated_position.items():
for blocknum, blocknum2 in enumerate(blocknum_blocknum2):
if blocknum == blocknum2 == cellidx and rotsym:
inplace_rotations.append(rotsym)
self._inplace_rotations.append(sorted(inplace_rotations, key=len)[:2])
return self._inplace_rotations
def is_user_slice(self, iaxis, mslice):
return self.ignored_slice[iaxis] is None or self.ignored_slice[iaxis] != mslice
def __str__(self):
return self.mformat.format(*self.size)
@classmethod
def load_index(cls):
if DEBUG_NOCACHE:
try:
from buildlib import modeldata
except ImportError:
pass
else:
debug('generating model index')
cls.cache_index = modeldata.pool_create_indexdata()
return
indexfilename = os.path.join(MODELS_DIR, 'f00index' if DEBUG_MODELFAST else 'd00index')
debug('loading model index:', indexfilename)
with open(indexfilename, 'rb') as indexfile:
cls.cache_index = pickle.load(indexfile)
@staticmethod
def read_vectors(datafile):
vlen = array('I')
vlen.fromfile(datafile, 1)
if sys.byteorder != filebyteorder:
vlen.byteswap()
vlen = vlen[0]
vectors = array('f')
vectors.fromfile(datafile, vlen)
if sys.byteorder != filebyteorder:
vectors.byteswap()
return vectors
@staticmethod
def isplit3_vectors(vals):
it = iter(vals)
for x in it:
try:
yield Vector((x, next(it), next(it)))
except StopIteration:
raise ValueError('len must be a multiple of 3')
@classmethod
def _load_data(self, filename):
if DEBUG_NOCACHE:
try:
from buildlib import modeldata
except ImportError:
pass
else:
print('generating model data:', filename)
_data, _vectors, *unused = modeldata.pool_create_modelfiledata(filename)
_vectors = [Vector(v) for v in _vectors]
return _data, _vectors
filename = os.path.join(MODELS_DIR, filename)
debug('loading model data:', filename)
with open(filename, 'rb') as datafile:
data = pickle.load(datafile)
vectors = list(self.isplit3_vectors(self.read_vectors(datafile)))
return data, vectors
def load_data(self, filename):
debug('requesting model data:', filename, self.type, self.sizes)
try:
data = (self.cache_data[filename] if DEBUG_CACHEUPDATE else self.cache_data)[self.type][self.sizes]
except KeyError:
data, vectors = self._load_data(filename)
if DEBUG_CACHEUPDATE:
self.cache_data[filename] = data
self.cache_vectors[filename] = vectors
else:
self.__class__.cache_data = data
self.__class__.cache_vectors = vectors
data = data[self.type][self.sizes]
self.vectors = self.cache_vectors[filename] if DEBUG_CACHEUPDATE else self.cache_vectors
for key, value in data.items():
setattr(self, key, value)
@classmethod
def from_string(cls, modelstr):
if modelstr == '*':
return '*', '*', (), None
re_model = r'''^(\w+)
(?: \s+(\w+)
(?: \s*(\W)
\s*(\w+)
(?: \s*\3
\s*(\w+)
)?)?
(?:\s+with
\s+(.+)
)?)?\s*$'''
match = re.match(re_model, modelstr, re.X)
if match is None:
raise ValueError('Invalid model: ' + modelstr)
#TODO: len(sizes) > 3
mtype, width, height, depth, exp = match.group(1, 2, 4, 5, 6)
if mtype not in cls.cache_index['types']:
raise ValueError('Unknown model type %r' % mtype)
def convert_if_int(value):
if value is None:
return value
try:
return int(value)
except ValueError:
return value
sizes = tuple(convert_if_int(s) for s in (width, height, depth))
return modelstr, mtype, sizes, exp
def norm_symbol(self, sym):
try:
return self.normal_rotation_symbols[sym]
except KeyError:
new_sym = ''
for c in sym:
try:
new_sym = self.normal_rotation_symbols[new_sym+c]
except KeyError:
raise ValueError('invalid symbol:', sym)
return new_sym
def blocksym_to_blockpos(self, blocksym):
for i, faces in enumerate(self.cells_visible_faces):
#FIXME: different blocks can have same visible faces (eg. edges for 4-Cubes)
if sorted(faces) == sorted(list(blocksym)):
return i
raise ValueError('Invalid block symbol:', blocksym)
def blockpos_to_blocksym(self, blockpos, rotsym):
#TODO: use cells_visible_faces, see blocksym_to_blockpos
def axisidx_to_sym(axis, idx):
if idx <= self.sizes[axis] // 2:
sym = self.symbols[axis]
else:
idx = self.sizes[axis]-1 - idx
sym = self.symbolsI[axis]
if idx == 0:
# skip idx for corners
return sym, self.face_symbolic_to_face_color(sym, rotsym)
elif idx == 1 and self.sizes[axis] == 3:
# for size == 3 there is only one edge
return '', ''
else:
# symbol with index to distinguish edge, but no color because the face is not visible
return sym + str(idx+1), '?'
#FIXME: only for models with 3 axes, function only used with debug flags
x, y, z = self.cell_indices[blockpos]
symx, colorsymx = axisidx_to_sym(0, x)
symy, colorsymy = axisidx_to_sym(1, y)
symz, colorsymz = axisidx_to_sym(2, z)
return symx + symy + symz, colorsymx + colorsymy + colorsymz
def face_symbolic_to_face_color(self, face, rot):
for k, v in self.face_permutations[rot].items():
if v == face:
return k
assert False, (face, rot)
def sym_to_move(self, sym, mslice=-1):
try:
maxis = self.symbols.index(sym)
return maxis, mslice, False
except ValueError:
maxis = self.symbolsI.index(sym)
return maxis, mslice, True
def normalize_complete_moves(self, moves):
syms = ''.join((self.symbols if not mdir else self.symbolsI)[maxis] for maxis, unused_mslice, mdir in moves)
syms = self.norm_symbol(syms)
for sym in syms:
yield self.sym_to_move(sym)
def rotate_symbolic(self, axis, rdir, block, sym):
rsym = (self.symbols if not rdir else self.symbolsI)[axis]
block = self.rotated_position[rsym][block]
sym = self.norm_symbol(sym + rsym)
return block, sym
def rotate_move(self, complete_move, move):
caxis, unused_cslice, cdir = complete_move
maxis, mslice, mdir = move
caxissym = (self.symbols if cdir else self.symbolsI)[caxis]
maxissym = (self.symbols if not mdir else self.symbolsI)[maxis]
raxissym = self.face_permutations[caxissym][maxissym]
raxis, unused_rslice, rdir = self.sym_to_move(raxissym)
if mdir != rdir:
mslice = self.sizes[raxis] - 1 - mslice
return raxis, mslice, rdir
class MoveParallel (Enum):
NO, LT, COMPAT, GT = range(4)
def is_parallel(self, iaxis1, slice1, iaxis2, slice2):
for idx in range(self.cell_count):
pos, rot = idx, ''
bslice = self.cell_indices[pos][iaxis1]
if bslice != slice1:
continue
pos, rot = self.rotate_symbolic(iaxis1, False, pos, rot)
bslice = self.cell_indices[pos][iaxis2]
if bslice != slice2:
continue
pos, rot = self.rotate_symbolic(iaxis2, False, pos, rot)
bslice = self.cell_indices[pos][iaxis1]
if bslice == slice1:
pos, rot = self.rotate_symbolic(iaxis1, True, pos, rot)
bslice = self.cell_indices[pos][iaxis2]
if bslice == slice2:
pos, rot = self.rotate_symbolic(iaxis2, True, pos, rot)
if idx != pos or rot != '':
return False
else:
return True
assert False
def parallel(self, move1, move2):
if move1.axis == move2.axis:
if move1.slice == move2.slice: return self.MoveParallel.COMPAT
if move1.slice < move2.slice: return self.MoveParallel.LT
if move1.slice > move2.slice: return self.MoveParallel.GT
if self.is_parallel(move1.axis, move1.slice, move2.axis, move2.slice):
if move1.axis < move2.axis:
return self.MoveParallel.LT
else: # move1.axis > move2.axis
return self.MoveParallel.GT
return self.MoveParallel.NO
def _get_selected_moves(self, cellidx, vector):
for iaxis, axis in enumerate(self.axes):
vda = vector.dot(axis)
if -epsilon < vda < epsilon:
continue
mslice = self.cell_indices[cellidx][iaxis]
if mslice is not None:
if not self.is_user_slice(iaxis, mslice):
mslice = -1
yield iaxis, mslice, vda
def _get_other_moves(self, cellidx, vector):
'''Moves with axes that are not parallel to vector'''
for iaxis, axis in enumerate(self.axes):
vca = vector.cross(axis)
if all(-epsilon < x < epsilon for x in vca):
continue
mslice = self.cell_indices[cellidx][iaxis]
if mslice is not None:
if not self.is_user_slice(iaxis, mslice):
mslice = -1
yield iaxis, mslice, vca.normalised()
def get_selected_moves2(self, cellidx, vert1, vert2):
res = sorted(self._get_selected_moves(cellidx, vert2 - vert1), key=lambda m: -abs(m[2]))
a1, s1, d1 = res[0]
if len(res) == 1:
return True, (a1, s1, d1>0)
a2, s2, d2 = res[1]
if s1 >= 0 and s2 < 0:
return True, (a1, s1, d1>0)
if s1 < 0 and s2 >= 0:
return True, (a2, s2, d2>0)
return False, (a1, s1, d1>0, a2, s2, d2>0)
def get_selected_move_center(self, cellidx, vector):
moves = ((ma, ms, md) for ma, ms, md in self._get_selected_moves(cellidx, vector) if ms in [0,self.sizes[ma]-1])
ma, ms, md = max(moves, key=lambda m: abs(m[2]))
return ma, ms, md>0
@staticmethod
def triangulate(indices, reverse=False):
indices = iter(indices)
first = next(indices)
prev = next(indices)
for index in indices:
yield first
if reverse:
yield index
yield prev
else:
yield prev
yield index
prev = index
@staticmethod
def triangulate_barycentric(count, indices, reverse=False):
if count == 3:
index1, index2, index3 = indices
yield index1, (1., 0., 0.)
index2 = index2, (0., 1., 0.)
index3 = index3, (0., 0., 1.)
if reverse:
yield index3; yield index2
else:
yield index2; yield index3
elif count == 4:
# +---+ 4---3 +-1-+
# | / | | / | 3 2 1
# +---+ 1---2 +-3-+
index1, index2, index3, index4 = indices
index1 = index1, (1., 1., 0.)
index2 = index2, (0., 1., 0.)
index3 = index3, (0., 1., 1.)
index4 = index4, (0., 1., 0.)
if reverse:
yield index1; yield index3; yield index2; yield index1; yield index4; yield index3
else:
yield index1; yield index2; yield index3; yield index1; yield index3; yield index4
elif count == 5:
# +---+ 4---3 +---+
# /| /| /| /| 2| /|
# + | / | 5 | / | + 3 3 2
# \|/ | \|/ | 1|/ |
# +---+ 1---2 +-1-+
index1, index2, index3, index4, index5 = indices
index1 = index1, (0., 1., 1.)
index2 = index2, (0., 0., 1.)
index3 = index3, (1., 0., 1.)
index4 = index4, (1., 0., 1.)
index5 = index5, (0., 0., 1.)
if reverse:
yield index1; yield index3; yield index2; yield index1; yield index4; yield index3
yield index1; yield index5; yield index4
else:
yield index1; yield index2; yield index3; yield index1; yield index3; yield index4
yield index1; yield index4; yield index5
elif count == 6:
# +---+ 1---6 +---+
# /|\ |\ /|\ |\ 1|\ |1
# + | \ | + 2 | \ | 5 + 3 \ 3 +
# \| \|/ \| \|/ 2| \|2
# +---+ 3---4 +---+
index1, index2, index3, index4, index5, index6 = indices
index1a = index1, (0., 1., 1.)
index1b = index1, (0., 1., 1.)
index2 = index2, (0., 0., 1.)
index3 = index3, (1., 0., 1.)
index4 = index4, (1., 0., 1.)
index5 = index5, (0., 0., 1.)
index6 = index6, (0., 1., 1.)
if reverse:
yield index1a; yield index3; yield index2; yield index1b; yield index4; yield index3
yield index1b; yield index6; yield index4; yield index4; yield index6; yield index5
else:
yield index1a; yield index2; yield index3; yield index1a; yield index3; yield index4
yield index1a; yield index4; yield index6; yield index4; yield index5; yield index6
else:
assert False, count
def pickarrowdir(self, maxis, mdir, normal):
if mdir:
return Vector(self.axes[maxis]).cross(normal).normalised()
else:
return normal.cross(Vector(self.axes[maxis])).normalised()
def _gl_pick_triangles_pickdata_helper(self, cellidx, symbol, normal, vc, vert1, vert2, pickdata):
one, masd = self.get_selected_moves2(cellidx, vert1, vert2)
if one:
maxis, mslice, mdir = masd
arrowdir = self.pickarrowdir(maxis, mdir, normal)
pickdata.append((maxis, mslice, mdir, cellidx, symbol, arrowdir))
else:
maxis1, mslice1, mdir1, maxis2, mslice2, mdir2 = masd
vert1_scaled = vc*.1 + vert1*.9 - self.vectors[self.cell_centers[cellidx]]
#d = sqrt(v1² + v2² + v3² - (v1*a1 + v2*a2 + v3*a3)²)
sdist11_sdist12 = abs(vert1_scaled.dot(self.axes[maxis1])) - abs(vert1_scaled.dot(self.axes[maxis2]))
if self.reversepick:
sdist11_sdist12 = -sdist11_sdist12
if sdist11_sdist12 < 0:
arrowdir = self.pickarrowdir(maxis1, mdir1, normal)
pickdata.append((maxis1, mslice1, mdir1, cellidx, symbol, arrowdir))
arrowdir = self.pickarrowdir(maxis2, mdir2, normal)
pickdata.append((maxis2, mslice2, mdir2, cellidx, symbol, arrowdir))
else:
arrowdir = self.pickarrowdir(maxis2, mdir2, normal)
pickdata.append((maxis2, mslice2, mdir2, cellidx, symbol, arrowdir))
arrowdir = self.pickarrowdir(maxis1, mdir1, normal)
pickdata.append((maxis1, mslice1, mdir1, cellidx, symbol, arrowdir))
return one
def _gl_pick_triangulate(self, color1, vertsl, normal, mirror_distance):
for i, verts in enumerate(vertsl):
for vert in self.triangulate(verts):
yield color1 + i, vert
if mirror_distance is not None:
mirror_offset = normal * mirror_distance
vertsl = [[v + mirror_offset for v in verts] for verts in vertsl]
for i, verts in enumerate(vertsl):
for vert in self.triangulate(verts, reverse=True):
yield color1 + i, vert
def gl_pick_triangles_center(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# selection_mode: simple, no adjacent visible faces
maxis, mslice, mdir = self.get_selected_move_center(cellidx, normal)
color = len(pickdata)
pickdata.append((maxis, mslice, mdir, cellidx, symbol, None))
verts = [self.vectors[i] for i in edges_iverts]
for vert in self.triangulate(verts):
yield color, vert
if mirror_distance is not None:
mirror_offset = normal * mirror_distance
color = len(pickdata)
pickdata.append((maxis, mslice, not mdir, cellidx, symbol, None))
for vert in self.triangulate(verts, reverse=True):
yield color, vert + mirror_offset
def gl_pick_triangles_gesture(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# selection_mode: gesture
moves = list(self._get_other_moves(cellidx, normal))
color = len(pickdata)
pickdata.append((None, moves, False, cellidx, symbol, None))
verts = [self.vectors[i] for i in edges_iverts]
for vert in self.triangulate(verts):
yield color, vert
if mirror_distance is not None:
mirror_offset = normal * mirror_distance
for vert in self.triangulate(verts, reverse=True):
yield color, vert + mirror_offset
def gl_pick_triangles_edge3(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# selection_mode: simple, face is on an edge block of a tetrahedron
# the first and second vertex are on the edge of the tetrahedron
vert1, vert2, vert3 = (self.vectors[i] for i in edges_iverts)
vc = (vert1+vert2+vert3) / 3
color1 = len(pickdata)
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert1, vert2, pickdata)
if one:
vertsl = [[vert1, vert2, vert3]]
else:
v12 = (vert1 + vert2) / 2
vertsl = [[v12, vert2, vert3], [vert1, v12, vert3]]
yield from self._gl_pick_triangulate(color1, vertsl, normal, mirror_distance)
def gl_pick_triangles_edge6(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# selection_mode: simple, face is on an edge block and has 6 vertices, rotates 2 slices
# the first and second vertex are on the edge
vert1, vert2, vert3, vert4, vert5, vert6 = (self.vectors[i] for i in edges_iverts)
vc = (vert1+vert2+vert3+vert4+vert5+vert6) / 6
v12 = (vert1 + vert2) / 2
v45 = (vert4 + vert5) / 2
color = len(pickdata)
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert1, vert2, pickdata)
if one:
vertsl = [[vert1, vert2, vert3, vert4, vert5, vert6]]
else:
vertsl = [[v12, vert2, vert3, vert4, v45], [vert1, v12, v45, vert5, vert6]]
yield from self._gl_pick_triangulate(color, vertsl, normal, mirror_distance)
def gl_pick_triangles_edge4(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# selection_mode: simple, face is on an edge block, 4 vertices, rotate 1 or 2 slices,
# the first and second vertex are on the edge
vert1, vert2, vert3, vert4 = (self.vectors[i] for i in edges_iverts)
vc = (vert1+vert2+vert3+vert4) / 4
color = len(pickdata)
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert1, vert2, pickdata)
if one:
vertsl = [[vert1, vert2, vert3, vert4]]
else:
#assert ncolors == 2
ec12 = (vert1 + vert2) / 2
ec34 = (vert3 + vert4) / 2
vertsl = [[ec12, vert2, vert3, ec34], [vert1, ec12, ec34, vert4]]
yield from self._gl_pick_triangulate(color, vertsl, normal, mirror_distance)
def gl_pick_triangles_corner34(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# selection_mode: simple, face is on a corner block, 3 or 4 vertices,
# the second vert is on the corner, the first and third are on the edges
if len(edges_iverts) == 3:
vert1, vert2, vert3 = (self.vectors[iv] for iv in edges_iverts)
vert4 = (vert3 + vert1) / 2
else:
vert1, vert2, vert3, vert4 = (self.vectors[iv] for iv in edges_iverts)
vc = (vert1+vert2+vert3+vert4) / 4
# first triangle
color = len(pickdata)
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert1, vert2, pickdata)
if one:
vertsl = [[vert1, vert2, vert4]]
else:
ec12 = (vert1 + vert2) / 2
vertsl = [[ec12, vert2, vert4], [vert1, ec12, vert4]]
# second triangle
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert2, vert3, pickdata)
if one:
vertsl.append([vert2, vert3, vert4])
else:
ec23 = (vert2 + vert3) / 2
vertsl.extend([[ec23, vert3, vert4], [vert2, ec23, vert4]])
yield from self._gl_pick_triangulate(color, vertsl, normal, mirror_distance)
def gl_pick_triangles_corner5(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# selection_mode: simple, face is on a corner block, 5 vertices,
# the second vert is on the corner, the first and third are on the edges
vert1, vert2, vert3, vert4, vert5 = (self.vectors[iv] for iv in edges_iverts)
vc = (vert1+vert2+vert3+vert4+vert5) / 5
vc13 = (vert1 + vert3) / 2
ec45 = (vert4 + vert5) / 2
color1 = len(pickdata)
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert1, vert2, pickdata)
if one:
vertsl = [[vert1, vert2, ec45, vert5]]
else:
vertsl = [[vert1, vert2, vc13], [vert1, vc13, ec45, vert5]]
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert2, vert3, pickdata)
if one:
vertsl.append([vert2, vert3, vert4, ec45])
else:
vertsl.extend([[vc13, vert3, vert4, ec45], [vert2, vert3, vc13]])
yield from self._gl_pick_triangulate(color1, vertsl, normal, mirror_distance)
def gl_pick_triangles_any(self, cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata):
# either selection_mode is quadrant or weird model (size==1 in at least one dimension)
verts = [self.vectors[i] for i in edges_iverts]
vc = sum(verts, Vector()) / len(verts)
vert1 = verts[-1]
for vert2 in verts:
color1 = len(pickdata)
one = self._gl_pick_triangles_pickdata_helper(cellidx, symbol, normal, vc, vert1, vert2, pickdata)
if one:
vertsl = [[vc, vert1, vert2]]
else:
#assert ncolors == 2
ec = (vert1 + vert2) / 2
vertsl = [[vc, vert1, ec], [vc, ec, vert2]]
yield from self._gl_pick_triangulate(color1, vertsl, normal, mirror_distance)
vert1 = vert2
def gl_pick_triangles(self, selection_mode, mirror_distance, pickdata):
if DEBUG_NOPICK:
return
for unused_fvertdata, (normal, cellidx), (fid, picktype, edges_iverts) in self.beveled_fvertdata:
if picktype is None:
continue
symbol = self.faces[fid]
if selection_mode == 0:
yield from self.gl_pick_triangles_any(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
elif selection_mode == 1:
if picktype == -1:
yield from self.gl_pick_triangles_any(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
elif picktype == 0:
yield from self.gl_pick_triangles_center(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
elif picktype == 1:
yield from self.gl_pick_triangles_edge3(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
elif picktype == 2:
yield from self.gl_pick_triangles_edge4(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
elif picktype == 3:
yield from self.gl_pick_triangles_corner34(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
elif picktype == 5:
yield from self.gl_pick_triangles_corner5(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
elif picktype == 4:
yield from self.gl_pick_triangles_edge6(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
else:
assert False, (selection_mode, picktype)
elif selection_mode == 2:
yield from self.gl_pick_triangles_gesture(cellidx, edges_iverts, symbol, normal, mirror_distance, pickdata)
else:
assert False, (selection_mode, picktype)
def bevel_cell_label(self, cidx, c_faces):
# label faces that replace the old faces
for hf_face, hf_face_id, hf_verts in c_faces:
fvertdata1, (fnormal, fcidx), unused = self.beveled_fvertdata[hf_face]
if cidx != fcidx:
fnormal = -fnormal
yield hf_face_id, fnormal, [fvertdata1[v] for v in hf_verts]
def bevel_cell_black(self, cidx, c_faces, c_edges, c_verts):
fton = lambda fnormal, fcidx: fnormal if cidx == fcidx else -fnormal
if not DEBUG_NOBEVEL:
# faces that replace the old verts
for v, vertdata in c_verts:
vertdata = [(self.beveled_fvertdata[f][0][v], fton(*self.beveled_fvertdata[f][1])) for f in vertdata]
yield vertdata
# faces that replace the old edges
for f1, f3, v1, v3 in c_edges:
fvertdata1, finfo, unused = self.beveled_fvertdata[f1]
normal1 = fton(*finfo)
fvertdata3, finfo, unused = self.beveled_fvertdata[f3]
normal3 = fton(*finfo)
vertdata = [(fvertdata1[v3], normal1), (fvertdata3[v3], normal3),
(fvertdata3[v1], normal3), (fvertdata1[v1], normal1)]
yield vertdata
# black faces that replace the old faces
for hf_face, hf_verts in c_faces:
fvertdata1, finfo, unused = self.beveled_fvertdata[hf_face]
normal1 = fton(*finfo)
yield [(fvertdata1[v], normal1) for v in hf_verts]
def gl_label_vertices(self, facesdata, faces, mirror_distance):
if DEBUG_NOLABEL:
return
for faceno, normal, vertices in facesdata:
fd = faces[faceno]
color = fd.color
if fd.imagemode:
texrange = self.texranges_mosaic[faceno]
else:
texrange = get_texcoords_range(vertices, normal)
texpos = (get_texcoords(v, normal, *texrange) for v in vertices)
x1,y1,x2,y2 = fd.texrect
texpos = [(tpx*(x2-x1) + x1, tpy*(y2-y1) + y1) for tpx, tpy in texpos]
for (vertex, tp), baryc in self.triangulate_barycentric(
len(vertices),
zip(vertices, texpos)):
yield vertex, normal, color, tp, baryc
if mirror_distance is not None:
offset = normal * mirror_distance
mirror_normal = -normal
for (vertex, tp), baryc in self.triangulate_barycentric(
len(vertices),
zip(vertices, texpos),
reverse=True):
yield vertex + offset, mirror_normal, color, tp, baryc
def gl_black_vertices(self, facesdata):
if DEBUG_NOBLACK:
return
for vertices in facesdata:
for ivertex, normal in self.triangulate(vertices):
yield ivertex, normal
def gl_bevel_faces(self):
width = self.bevel_width
if width == 0:
def bevel_points(ps):
return {p: p for p in ps}
else:
def bevel_points(ps):
def bevel_point(point1, point2, point3):
point1 = self.vectors[point1]
point2 = self.vectors[point2]
point3 = self.vectors[point3]
nd1 = (point1 - point2).normalised()
nd2 = (point3 - point2).normalised()
return point2 + (nd1 + nd2) * width / nd1.cross(nd2).length()
lps = len(ps)
return {p: bevel_point(ps[(i-1)%lps], p, ps[(i+1)%lps]) for i, p in enumerate(ps)}
def face_normal(p1, p2, p3, *unused_args):
p1 = self.vectors[p1]
p2 = self.vectors[p2]
p3 = self.vectors[p3]
return (p3 - p2).cross(p1 - p2).normalised()
return [(bevel_points(ps), (face_normal(*ps), cidx), (fid, picktype, ps))
for cidx, cfd in enumerate(self.facesdata) for fid, picktype, ps in cfd]
def gl_debug_vertices(self, faces, mirror_distance):
# yield vertices, colors
# normals
if DEBUG_DRAWNORMALS:
for cidx, (c_faces_label, c_faces_black, c_edges, c_verts) in enumerate(self.blocksdata):
for faceno, normal, vertices in self.bevel_cell_label(cidx, c_faces_label):
fd = faces[faceno]
color = fd.color
vertex = sum(vertices, Vector()) / len(vertices)
yield vertex, [0,0,0]
yield vertex+normal, color
if mirror_distance is not None:
offset = normal * mirror_distance
yield vertex+offset, [0,0,0]
yield vertex+offset-normal, color
# axes
if DEBUG_DRAWAXES:
for i, axis in enumerate(self.axes):
symbol = self.symbols[i]
faceno = self.faces.index(symbol)
fd = faces[faceno]
color = fd.color
vaxis = Vector(axis)*self.sizes[i]
yield -vaxis, [0,0,0]
yield -vaxis+axis, color
yield vaxis, [0,0,0]
yield vaxis+axis, color
# coordinates
x = float(-self.sizes[0])
y = float(-self.sizes[1])
z = float(-self.sizes[2])
yield [x-1, y-1, z, -x, y-1, z], [255, 0, 0, 255, 0, 0]
yield [x-1, y-1, z, x-1, -y, z], [0, 255, 0, 0, 255, 0]
yield [x-1, y-1, z, x-1, y-1, -z], [0, 0, 255, 0, 0, 255]
def gl_debug_vertices_2D(self):
# selection (modelview)
yield [0, 0, 0, 1, 1, 1], [255, 255, 255, 255, 255, 255]
# selection (viewport)
yield [0, 0, 0, 1, 1, 0], [255, 255, 0, 255, 0, 0]
def gl_vertex_data(self, selection_mode, theme, mirror_distance):
vertices = []
normals = []
colors = []
texpos = []
baryc = []
# list of [count vertices, face index]
cnts_block = []
faces = [theme.faces[fk] for fk in self.facekeys]
for cidx, (c_faces_label, c_faces_black, c_edges, c_verts) in enumerate(self.blocksdata):
# bevel
beveled_facesdata_label = self.bevel_cell_label(cidx, c_faces_label)
beveled_facesdata_black = self.bevel_cell_black(cidx, c_faces_black, c_edges, c_verts)
cnt = 0
# label vertices
for v, n, c, t, b in self.gl_label_vertices(beveled_facesdata_label, faces, mirror_distance):
vertices += v
normals += n
colors += c
texpos += t
baryc += b
cnt += 1
# bevel, hidden labels
for v, n in self.gl_black_vertices(beveled_facesdata_black):
vertices += v
normals += n
#TODO: colors and texpos unused
colors += (0,0,0)
texpos += (0,0)
baryc += (0,0,0)
cnt += 1
cnts_block.append(cnt)
idx_debug = len(vertices) // 3
cnt_debug = 0
if DEBUG_DRAW:
assert len(cnts_block) == self.cell_count
assert sum(cnts_block) == idx_debug
for v, c in self.gl_debug_vertices(faces, mirror_distance):
vertices += v
colors += c
cnt_debug = len(vertices) // 3 - idx_debug
for v, c in self.gl_debug_vertices_2D():
vertices += v
colors += c
assert len(vertices) == len(colors)
pickvertices, pickcolors, pickdata = self.gl_pick_data(selection_mode, mirror_distance)
cnt_pick = len(pickvertices) // 3
vertices = array('f', vertices).tobytes()
normals = array('f', normals).tobytes()
colors = array('B', colors).tobytes()
texpos = array('f', texpos).tobytes()
barycentric = array('f', baryc).tobytes()
pickvertices = array('f', pickvertices).tobytes()
pickcolors = array('B', pickcolors).tobytes()
vertexdata = vertices + normals + colors + texpos + barycentric + pickvertices + pickcolors
debug('GL data: %d bytes' % len(vertexdata))
ptrnormals = len(vertices)
ptrcolors = ptrnormals + len(normals)
ptrtexpos = ptrcolors + len(colors)
ptrbarycentric = ptrtexpos + len(texpos)
ptrpickvertices = ptrbarycentric + len(barycentric)
ptrpickcolors = ptrpickvertices + len(pickvertices)
return ( self.cell_count,
vertexdata,
(ptrnormals, ptrcolors, ptrtexpos, ptrbarycentric, ptrpickvertices, ptrpickcolors),
(cnts_block, idx_debug, cnt_debug, cnt_pick),
self.rotation_matrices,
), pickdata
def gl_pick_data(self, selection_mode, mirror_distance):
# Pick TRIANGLES vertices
vertices = []
colors = []
pickdata = [()] # list of (maxis, mslice, mdir, face, center, cellidx, symbol, arrowdir)
for col, v in self.gl_pick_triangles(selection_mode, mirror_distance, pickdata):
vertices += v
colors += ((col>>4) & 0xf0, (col) & 0xf0, (col<<4) & 0xf0)
assert len(vertices) == len(colors)
return vertices, colors, pickdata
empty_model = EmptyModel()
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