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archipack_stair.py
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# -*- coding:utf-8 -*-
# ##### BEGIN GPL LICENSE BLOCK #####
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110- 1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
# ----------------------------------------------------------
# Author: Stephen Leger (s-leger)
#
# ----------------------------------------------------------
# noinspection PyUnresolvedReferences
import bpy
# noinspection PyUnresolvedReferences
from bpy.types import Operator, PropertyGroup, Mesh, Panel
from bpy.props import (
FloatProperty, BoolProperty, IntProperty, CollectionProperty,
StringProperty, EnumProperty, FloatVectorProperty
)
from .bmesh_utils import BmeshEdit as bmed
from .panel import Panel as Lofter
from mathutils import Vector, Matrix
from math import sin, cos, pi, floor, acos
from .archipack_manipulator import Manipulable, archipack_manipulator
from .archipack_2d import Line, Arc
from .archipack_preset import ArchipackPreset, PresetMenuOperator
from .archipack_object import ArchipackCreateTool, ArchipackObject
class Stair():
def __init__(self, left_offset, right_offset, steps_type, nose_type, z_mode, nose_z, bottom_z):
self.steps_type = steps_type
self.nose_type = nose_type
self.l_shape = None
self.r_shape = None
self.next_type = 'NONE'
self.last_type = 'NONE'
self.z_mode = z_mode
# depth of open step
self.nose_z = nose_z
# size under the step on bottom
self.bottom_z = bottom_z
self.left_offset = left_offset
self.right_offset = right_offset
self.last_height = 0
def set_matids(self, matids):
self.idmat_top, self.idmat_step_front, self.idmat_raise, \
self.idmat_side, self.idmat_bottom, self.idmat_step_side = matids
def set_height(self, step_height, z0):
self.step_height = step_height
self.z0 = z0
@property
def height(self):
return self.n_step * self.step_height
@property
def top_offset(self):
return self.t_step / self.step_depth
@property
def top(self):
return self.z0 + self.height
@property
def left_length(self):
return self.get_length("LEFT")
@property
def right_length(self):
return self.get_length("RIGHT")
def step_size(self, step_depth):
t_step, n_step = self.steps(step_depth)
self.n_step = n_step
self.t_step = t_step
self.step_depth = step_depth
return n_step
def p3d_left(self, verts, p2d, i, t, landing=False):
x, y = p2d
nose_z = min(self.step_height, self.nose_z)
zl = self.z0 + t * self.height
zs = self.z0 + i * self.step_height
if self.z_mode == 'LINEAR':
z0 = max(0, zl)
z1 = z0 - self.bottom_z
verts.extend([(x, y, z0), (x, y, z1)])
else:
if "FULL" in self.steps_type:
z0 = 0
else:
z0 = max(0, zl - nose_z - self.bottom_z)
z3 = zs + max(0, self.step_height - nose_z)
z4 = zs + self.step_height
if landing:
if "FULL" in self.steps_type:
z2 = 0
z1 = 0
else:
z2 = max(0, min(z3, z3 - self.bottom_z))
z1 = z2
else:
z1 = min(z3, max(z0, zl - nose_z))
z2 = min(z3, max(z1, zl))
verts.extend([(x, y, z0),
(x, y, z1),
(x, y, z2),
(x, y, z3),
(x, y, z4)])
def p3d_right(self, verts, p2d, i, t, landing=False):
x, y = p2d
nose_z = min(self.step_height, self.nose_z)
zl = self.z0 + t * self.height
zs = self.z0 + i * self.step_height
if self.z_mode == 'LINEAR':
z0 = max(0, zl)
z1 = z0 - self.bottom_z
verts.extend([(x, y, z1), (x, y, z0)])
else:
if "FULL" in self.steps_type:
z0 = 0
else:
z0 = max(0, zl - nose_z - self.bottom_z)
z3 = zs + max(0, self.step_height - nose_z)
z4 = zs + self.step_height
if landing:
if "FULL" in self.steps_type:
z2 = 0
z1 = 0
else:
z2 = max(0, min(z3, z3 - self.bottom_z))
z1 = z2
else:
z1 = min(z3, max(z0, zl - nose_z))
z2 = min(z3, max(z1, zl))
verts.extend([(x, y, z4),
(x, y, z3),
(x, y, z2),
(x, y, z1),
(x, y, z0)])
def p3d_cstep_left(self, verts, p2d, i, t):
x, y = p2d
nose_z = min(self.step_height, self.nose_z)
zs = self.z0 + i * self.step_height
z3 = zs + max(0, self.step_height - nose_z)
z1 = min(z3, zs - nose_z)
verts.append((x, y, z1))
verts.append((x, y, z3))
def p3d_cstep_right(self, verts, p2d, i, t):
x, y = p2d
nose_z = min(self.step_height, self.nose_z)
zs = self.z0 + i * self.step_height
z3 = zs + max(0, self.step_height - nose_z)
z1 = min(z3, zs - nose_z)
verts.append((x, y, z3))
verts.append((x, y, z1))
def straight_stair(self, length):
self.next_type = 'STAIR'
s = self.straight(length)
return StraightStair(s.p, s.v, self.left_offset, self.right_offset, self.steps_type,
self.nose_type, self.z_mode, self.nose_z, self.bottom_z)
def straight_landing(self, length, last_type='STAIR'):
self.next_type = 'LANDING'
s = self.straight(length)
return StraightLanding(s.p, s.v, self.left_offset, self.right_offset, self.steps_type,
self.nose_type, self.z_mode, self.nose_z, self.bottom_z, last_type=last_type)
def curved_stair(self, da, radius, left_shape, right_shape, double_limit=pi):
self.next_type = 'STAIR'
n = self.normal(1)
n.v = radius * n.v.normalized()
if da < 0:
n.v = -n.v
a0 = n.angle
c = n.p - n.v
return CurvedStair(c, radius, a0, da, self.left_offset, self.right_offset,
self.steps_type, self.nose_type, self.z_mode, self.nose_z, self.bottom_z,
left_shape, right_shape, double_limit=double_limit)
def curved_landing(self, da, radius, left_shape, right_shape, double_limit=pi, last_type='STAIR'):
self.next_type = 'LANDING'
n = self.normal(1)
n.v = radius * n.v.normalized()
if da < 0:
n.v = -n.v
a0 = n.angle
c = n.p - n.v
return CurvedLanding(c, radius, a0, da, self.left_offset, self.right_offset,
self.steps_type, self.nose_type, self.z_mode, self.nose_z, self.bottom_z,
left_shape, right_shape, double_limit=double_limit, last_type=last_type)
def get_z(self, t, mode):
if mode == 'LINEAR':
return self.z0 + t * self.height
else:
step = 1 + floor(t / self.t_step)
return self.z0 + step * self.step_height
def make_profile(self, t, side, profile, verts, faces, matids, next=None, tnext=0):
z0 = self.get_z(t, 'LINEAR')
dz1 = 0
t, part, dz0, shape = self.get_part(t, side)
if next is not None:
tnext, next, dz1, shape1 = next.get_part(tnext, side)
xy, s = part.proj_xy(t, next)
v_xy = s * xy.to_3d()
z, s = part.proj_z(t, dz0, next, dz1)
v_z = s * Vector((-xy.y * z.x, xy.x * z.x, z.y))
x, y = part.lerp(t)
verts += [Vector((x, y, z0)) + v.x * v_xy + v.y * v_z for v in profile]
def project_uv(self, rM, uvs, verts, indexes, up_axis='Z'):
if up_axis == 'Z':
uvs.append([(rM * Vector(verts[i])).to_2d() for i in indexes])
elif up_axis == 'Y':
uvs.append([(x, z) for x, y, z in [(rM * Vector(verts[i])) for i in indexes]])
else:
uvs.append([(y, z) for x, y, z in [(rM * Vector(verts[i])) for i in indexes]])
def get_proj_matrix(self, part, t, nose_y):
# a matrix to project verts
# into uv space for horizontal parts of this step
# so uv = (rM * vertex).to_2d()
tl = t - nose_y / self.get_length("LEFT")
tr = t - nose_y / self.get_length("RIGHT")
t2, part, dz, shape = self.get_part(tl, "LEFT")
p0 = part.lerp(t2)
t2, part, dz, shape = self.get_part(tr, "RIGHT")
p1 = part.lerp(t2)
v = (p1 - p0).normalized()
return Matrix([
[-v.y, v.x, 0, p0.x],
[v.x, v.y, 0, p0.y],
[0, 0, 1, 0],
[0, 0, 0, 1]
]).inverted()
def _make_nose(self, i, s, verts, faces, matids, uvs, nose_y):
t = self.t_step * i
# a matrix to project verts
# into uv space for horizontal parts of this step
# so uv = (rM * vertex).to_2d()
rM = self.get_proj_matrix(self, t, nose_y)
if self.z_mode == 'LINEAR':
return rM
f = len(verts)
tl = t - nose_y / self.get_length("LEFT")
tr = t - nose_y / self.get_length("RIGHT")
t2, part, dz, shape = self.get_part(tl, "LEFT")
p0 = part.lerp(t2)
self.p3d_left(verts, p0, s, t2)
t2, part, dz, shape = self.get_part(tr, "RIGHT")
p1 = part.lerp(t2)
self.p3d_right(verts, p1, s, t2)
start = 3
end = 6
offset = 10
# left, top, right
matids.extend([self.idmat_step_side,
self.idmat_top,
self.idmat_step_side])
faces += [(f + j, f + j + 1, f + j + offset + 1, f + j + offset) for j in range(start, end)]
u = nose_y
v = (p1 - p0).length
w = verts[f + 2][2] - verts[f + 3][2]
s = int((end - start) / 2)
uvs += [[(u, verts[f + j][2]), (u, verts[f + j + 1][2]),
(0, verts[f + j + 1][2]), (0, verts[f + j][2])] for j in range(start, start + s)]
uvs.append([(0, 0), (0, v), (u, v), (u, 0)])
uvs += [[(u, verts[f + j][2]), (u, verts[f + j + 1][2]),
(0, verts[f + j + 1][2]), (0, verts[f + j][2])] for j in range(start + s + 1, end)]
if 'STRAIGHT' in self.nose_type or 'OPEN' in self.steps_type:
# face bottom
matids.append(self.idmat_bottom)
faces.append((f + end, f + start, f + offset + start, f + offset + end))
uvs.append([(u, v), (u, 0), (0, 0), (0, v)])
if self.steps_type != 'OPEN':
if 'STRAIGHT' in self.nose_type:
# front face bottom straight
matids.append(self.idmat_raise)
faces.append((f + 12, f + 17, f + 16, f + 13))
uvs.append([(0, w), (v, w), (v, 0), (0, 0)])
elif 'OBLIQUE' in self.nose_type:
# front face bottom oblique
matids.append(self.idmat_raise)
faces.append((f + 12, f + 17, f + 6, f + 3))
uvs.append([(0, w), (v, w), (v, 0), (0, 0)])
matids.append(self.idmat_side)
faces.append((f + 3, f + 13, f + 12))
uvs.append([(0, 0), (u, 0), (u, w)])
matids.append(self.idmat_side)
faces.append((f + 6, f + 17, f + 16))
uvs.append([(0, 0), (u, w), (u, 0)])
# front face top
w = verts[f + 3][2] - verts[f + 4][2]
matids.append(self.idmat_step_front)
faces.append((f + 4, f + 3, f + 6, f + 5))
uvs.append([(0, 0), (0, w), (v, w), (v, 0)])
return rM
def make_faces(self, f, rM, verts, faces, matids, uvs):
if self.z_mode == 'LINEAR':
start = 0
end = 3
offset = 4
matids.extend([self.idmat_side,
self.idmat_top,
self.idmat_side,
self.idmat_bottom])
elif "OPEN" in self.steps_type:
# faces dessus-dessous-lateral marches fermees
start = 3
end = 6
offset = 10
matids.extend([self.idmat_step_side,
self.idmat_top,
self.idmat_step_side,
self.idmat_bottom])
else:
# faces dessus-dessous-lateral marches fermees
start = 0
end = 9
offset = 10
matids.extend([self.idmat_side,
self.idmat_side,
self.idmat_side,
self.idmat_step_side,
self.idmat_top,
self.idmat_step_side,
self.idmat_side,
self.idmat_side,
self.idmat_side,
self.idmat_bottom])
u_l0 = 0
u_l1 = self.t_step * self.left_length
u_r0 = 0
u_r1 = self.t_step * self.right_length
s = int((end - start) / 2)
uvs += [[(u_l0, verts[f + j][2]), (u_l0, verts[f + j + 1][2]),
(u_l1, verts[f + j + offset + 1][2]), (u_l1, verts[f + j + offset][2])] for j in range(start, start + s)]
self.project_uv(rM, uvs, verts, [f + start + s, f + start + s + 1,
f + start + s + offset + 1, f + start + s + offset])
uvs += [[(u_r0, verts[f + j][2]), (u_r0, verts[f + j + 1][2]),
(u_r1, verts[f + j + offset + 1][2]), (u_r1, verts[f + j + offset][2])] for j in range(start + s + 1, end)]
self.project_uv(rM, uvs, verts, [f + end, f + start, f + offset + start, f + offset + end])
faces += [(f + j, f + j + 1, f + j + offset + 1, f + j + offset) for j in range(start, end)]
faces.append((f + end, f + start, f + offset + start, f + offset + end))
class StraightStair(Stair, Line):
def __init__(self, p, v, left_offset, right_offset, steps_type, nose_type, z_mode, nose_z, bottom_z):
Stair.__init__(self, left_offset, right_offset, steps_type, nose_type, z_mode, nose_z, bottom_z)
Line.__init__(self, p, v)
self.l_line = self.offset(-left_offset)
self.r_line = self.offset(right_offset)
def make_step(self, i, verts, faces, matids, uvs, nose_y=0):
rM = self._make_nose(i, i, verts, faces, matids, uvs, nose_y)
t0 = self.t_step * i
f = len(verts)
p = self.l_line.lerp(t0)
self.p3d_left(verts, p, i, t0)
p = self.r_line.lerp(t0)
self.p3d_right(verts, p, i, t0)
t1 = t0 + self.t_step
p = self.l_line.lerp(t1)
self.p3d_left(verts, p, i, t1)
p = self.r_line.lerp(t1)
self.p3d_right(verts, p, i, t1)
self.make_faces(f, rM, verts, faces, matids, uvs)
if "OPEN" in self.steps_type:
faces.append((f + 13, f + 14, f + 15, f + 16))
matids.append(self.idmat_step_front)
uvs.append([(0, 0), (0, 1), (1, 1), (1, 0)])
def get_length(self, side):
return self.length
def get_lerp_vect(self, posts, side, i, t_step, respect_edges, z_offset=0, t0_abs=None):
if t0_abs is not None:
t0 = t0_abs
else:
t0 = i * t_step
t, part, dz, shape = self.get_part(t0, side)
dz /= part.length
n = part.normal(t)
z0 = self.get_z(t0, 'STEP')
z1 = self.get_z(t0, 'LINEAR')
posts.append((n, dz, z0, z1 + t0 * z_offset))
return [t0]
def n_posts(self, post_spacing, side, respect_edges):
return self.steps(post_spacing)
def get_part(self, t, side):
if side == 'LEFT':
part = self.l_line
else:
part = self.r_line
return t, part, self.height, 'LINE'
class CurvedStair(Stair, Arc):
def __init__(self, c, radius, a0, da, left_offset, right_offset, steps_type, nose_type,
z_mode, nose_z, bottom_z, left_shape, right_shape, double_limit=pi):
Stair.__init__(self, left_offset, right_offset, steps_type, nose_type, z_mode, nose_z, bottom_z)
Arc.__init__(self, c, radius, a0, da)
self.l_shape = left_shape
self.r_shape = right_shape
self.edges_multiples = round(abs(da), 6) > double_limit
# left arc, tangeant at start and end
self.l_arc, self.l_t0, self.l_t1, self.l_tc = self.set_offset(-left_offset, left_shape)
self.r_arc, self.r_t0, self.r_t1, self.r_tc = self.set_offset(right_offset, right_shape)
def set_offset(self, offset, shape):
arc = self.offset(offset)
t0 = arc.tangeant(0, 1)
t1 = arc.tangeant(1, 1)
tc = arc.tangeant(0.5, 1)
if self.edges_multiples:
i, p, t = t0.intersect(tc)
tc.v *= 2 * t
tc.p = p
i, p, t2 = tc.intersect(t1)
else:
i, p, t = t0.intersect(t1)
t0.v *= t
t1.p = p
t1.v *= t
return arc, t0, t1, tc
def get_length(self, side):
if side == 'RIGHT':
arc = self.r_arc
shape = self.r_shape
t0 = self.r_t0
else:
arc = self.l_arc
shape = self.l_shape
t0 = self.l_t0
if shape == 'CIRCLE':
return arc.length
else:
if self.edges_multiples:
# two edges
return t0.length * 4
else:
return t0.length * 2
def _make_step(self, t_step, i, s, verts, landing=False):
tb = t_step * i
f = len(verts)
t, part, dz, shape = self.get_part(tb, "LEFT")
p = part.lerp(t)
self.p3d_left(verts, p, s, tb, landing)
t, part, dz, shape = self.get_part(tb, "RIGHT")
p = part.lerp(t)
self.p3d_right(verts, p, s, tb, landing)
return f
def _make_edge(self, t_step, i, j, f, rM, verts, faces, matids, uvs):
tb = t_step * i
# make edges verts after regular ones
if self.l_shape != 'CIRCLE' or self.r_shape != 'CIRCLE':
if self.edges_multiples:
# edge 1
if tb < 0.25 and tb + t_step > 0.25:
f0 = f
f = len(verts)
if self.l_shape == 'CIRCLE':
self.p3d_left(verts, self.l_arc.lerp(0.25), j, 0.25)
else:
self.p3d_left(verts, self.l_tc.p, j, 0.25)
if self.r_shape == 'CIRCLE':
self.p3d_right(verts, self.r_arc.lerp(0.25), j, 0.25)
else:
self.p3d_right(verts, self.r_tc.p, j, 0.25)
self.make_faces(f0, rM, verts, faces, matids, uvs)
# edge 2
if tb < 0.75 and tb + t_step > 0.75:
f0 = f
f = len(verts)
if self.l_shape == 'CIRCLE':
self.p3d_left(verts, self.l_arc.lerp(0.75), j, 0.75)
else:
self.p3d_left(verts, self.l_t1.p, j, 0.75)
if self.r_shape == 'CIRCLE':
self.p3d_right(verts, self.r_arc.lerp(0.75), j, 0.75)
else:
self.p3d_right(verts, self.r_t1.p, j, 0.75)
self.make_faces(f0, rM, verts, faces, matids, uvs)
else:
if tb < 0.5 and tb + t_step > 0.5:
f0 = f
f = len(verts)
# the step goes through the edge
if self.l_shape == 'CIRCLE':
self.p3d_left(verts, self.l_arc.lerp(0.5), j, 0.5)
else:
self.p3d_left(verts, self.l_t1.p, j, 0.5)
if self.r_shape == 'CIRCLE':
self.p3d_right(verts, self.r_arc.lerp(0.5), j, 0.5)
else:
self.p3d_right(verts, self.r_t1.p, j, 0.5)
self.make_faces(f0, rM, verts, faces, matids, uvs)
return f
def make_step(self, i, verts, faces, matids, uvs, nose_y=0):
# open stair with closed face
# step nose
rM = self._make_nose(i, i, verts, faces, matids, uvs, nose_y)
f = 0
if self.l_shape == 'CIRCLE' or self.r_shape == 'CIRCLE':
# every 6 degree
n_subs = max(1, int(abs(self.da) / pi * 30 / self.n_step))
t_step = self.t_step / n_subs
for j in range(n_subs):
f0 = f
f = self._make_step(t_step, n_subs * i + j, i, verts)
if j > 0:
self.make_faces(f0, rM, verts, faces, matids, uvs)
f = self._make_edge(t_step, n_subs * i + j, i, f, rM, verts, faces, matids, uvs)
else:
f = self._make_step(self.t_step, i, i, verts)
f = self._make_edge(self.t_step, i, i, f, rM, verts, faces, matids, uvs)
self._make_step(self.t_step, i + 1, i, verts)
self.make_faces(f, rM, verts, faces, matids, uvs)
if "OPEN" in self.steps_type and self.z_mode != 'LINEAR':
# back face top
faces.append((f + 13, f + 14, f + 15, f + 16))
matids.append(self.idmat_step_front)
uvs.append([(0, 0), (0, 1), (1, 1), (1, 0)])
def get_part(self, t, side):
if side == 'RIGHT':
arc = self.r_arc
shape = self.r_shape
t0, t1, tc = self.r_t0, self.r_t1, self.r_tc
else:
arc = self.l_arc
shape = self.l_shape
t0, t1, tc = self.l_t0, self.l_t1, self.l_tc
if shape == 'CIRCLE':
return t, arc, self.height, shape
else:
if self.edges_multiples:
# two edges
if t <= 0.25:
return 4 * t, t0, 0.25 * self.height, shape
elif t <= 0.75:
return 2 * (t - 0.25), tc, 0.5 * self.height, shape
else:
return 4 * (t - 0.75), t1, 0.25 * self.height, shape
else:
if t <= 0.5:
return 2 * t, t0, 0.5 * self.height, shape
else:
return 2 * (t - 0.5), t1, 0.5 * self.height, shape
def get_lerp_vect(self, posts, side, i, t_step, respect_edges, z_offset=0, t0_abs=None):
if t0_abs is not None:
t0 = t0_abs
else:
t0 = i * t_step
res = [t0]
t1 = t0 + t_step
zs = self.get_z(t0, 'STEP')
zl = self.get_z(t0, 'LINEAR')
# vect normal
t, part, dz, shape = self.get_part(t0, side)
n = part.normal(t)
dz /= part.length
posts.append((n, dz, zs, zl + t0 * z_offset))
if shape != 'CIRCLE' and respect_edges:
if self.edges_multiples:
if t0 < 0.25 and t1 > 0.25:
zs = self.get_z(0.25, 'STEP')
zl = self.get_z(0.25, 'LINEAR')
t, part, dz, shape = self.get_part(0.25, side)
n = part.normal(1)
posts.append((n, dz, zs, zl + 0.25 * z_offset))
res.append(0.25)
if t0 < 0.75 and t1 > 0.75:
zs = self.get_z(0.75, 'STEP')
zl = self.get_z(0.75, 'LINEAR')
t, part, dz, shape = self.get_part(0.75, side)
n = part.normal(1)
posts.append((n, dz, zs, zl + 0.75 * z_offset))
res.append(0.75)
elif t0 < 0.5 and t1 > 0.5:
zs = self.get_z(0.5, 'STEP')
zl = self.get_z(0.5, 'LINEAR')
t, part, dz, shape = self.get_part(0.5, side)
n = part.normal(1)
posts.append((n, dz, zs, zl + 0.5 * z_offset))
res.append(0.5)
return res
def n_posts(self, post_spacing, side, respect_edges):
if side == 'LEFT':
arc, t0, shape = self.l_arc, self.l_t0, self.l_shape
else:
arc, t0, shape = self.r_arc, self.r_t0, self.r_shape
step_factor = 1
if shape == 'CIRCLE':
length = arc.length
else:
if self.edges_multiples:
if respect_edges:
step_factor = 2
length = 4 * t0.length
else:
length = 2 * t0.length
steps = step_factor * max(1, round(length / post_spacing, 0))
# print("respect_edges:%s t_step:%s n_step:%s" % (respect_edges, 1.0 / steps, int(steps)))
return 1.0 / steps, int(steps)
class StraightLanding(StraightStair):
def __init__(self, p, v, left_offset, right_offset, steps_type,
nose_type, z_mode, nose_z, bottom_z, last_type='STAIR'):
StraightStair.__init__(self, p, v, left_offset, right_offset, steps_type,
nose_type, z_mode, nose_z, bottom_z)
self.last_type = last_type
@property
def height(self):
return 0
@property
def top_offset(self):
return self.t_step / self.v.length
@property
def top(self):
if self.next_type == 'LANDING':
return self.z0
else:
return self.z0 + self.step_height
def step_size(self, step_depth):
self.n_step = 1
self.t_step = 1
self.step_depth = step_depth
if self.last_type == 'LANDING':
return 0
else:
return 1
def make_step(self, i, verts, faces, matids, uvs, nose_y=0):
if i == 0 and self.last_type != 'LANDING':
rM = self._make_nose(i, 0, verts, faces, matids, uvs, nose_y)
else:
rM = self.get_proj_matrix(self.l_line, self.t_step * i, nose_y)
f = len(verts)
j = 0
t0 = self.t_step * i
p = self.l_line.lerp(t0)
self.p3d_left(verts, p, j, t0)
p = self.r_line.lerp(t0)
self.p3d_right(verts, p, j, t0)
t1 = t0 + self.t_step
p = self.l_line.lerp(t1)
self.p3d_left(verts, p, j, t1, self.next_type != 'LANDING')
p = self.r_line.lerp(t1)
self.p3d_right(verts, p, j, t1, self.next_type != 'LANDING')
self.make_faces(f, rM, verts, faces, matids, uvs)
if "OPEN" in self.steps_type and self.next_type != 'LANDING':
faces.append((f + 13, f + 14, f + 15, f + 16))
matids.append(self.idmat_step_front)
uvs.append([(0, 0), (0, 1), (1, 1), (1, 0)])
def straight_landing(self, length):
return Stair.straight_landing(self, length, last_type='LANDING')
def curved_landing(self, da, radius, left_shape, right_shape, double_limit=pi):
return Stair.curved_landing(self, da, radius, left_shape,
right_shape, double_limit=double_limit, last_type='LANDING')
def get_z(self, t, mode):
if mode == 'STEP':
return self.z0 + self.step_height
else:
return self.z0
class CurvedLanding(CurvedStair):
def __init__(self, c, radius, a0, da, left_offset, right_offset, steps_type,
nose_type, z_mode, nose_z, bottom_z, left_shape, right_shape, double_limit=pi, last_type='STAIR'):
CurvedStair.__init__(self, c, radius, a0, da, left_offset, right_offset, steps_type,
nose_type, z_mode, nose_z, bottom_z, left_shape, right_shape, double_limit=double_limit)
self.last_type = last_type
@property
def top_offset(self):
if self.l_shape == 'CIRCLE' or self.r_shape == 'CIRCLE':
return self.t_step / self.step_depth
else:
if self.edges_multiples:
return 0.5 / self.length
else:
return 1 / self.length
@property
def height(self):
return 0
@property
def top(self):
if self.next_type == 'LANDING':
return self.z0
else:
return self.z0 + self.step_height
def step_size(self, step_depth):
if self.l_shape == 'CIRCLE' or self.r_shape == 'CIRCLE':
t_step, n_step = self.steps(step_depth)
else:
if self.edges_multiples:
t_step, n_step = 0.5, 2
else:
t_step, n_step = 1, 1
self.n_step = n_step
self.t_step = t_step
self.step_depth = step_depth
if self.last_type == 'LANDING':
return 0
else:
return 1
def make_step(self, i, verts, faces, matids, uvs, nose_y=0):
if i == 0 and 'LANDING' not in self.last_type:
rM = self._make_nose(i, 0, verts, faces, matids, uvs, nose_y)
else:
rM = self.get_proj_matrix(self.l_arc, self.t_step * i, nose_y)
f = len(verts)
if self.l_shape == 'CIRCLE' or self.r_shape == 'CIRCLE':
n_subs = max(1, int(abs(self.da / pi * 30 / self.n_step)))
t_step = self.t_step / n_subs
for j in range(n_subs):
f0 = f
f = self._make_step(t_step, n_subs * i + j, 0, verts)
if j > 0:
self.make_faces(f0, rM, verts, faces, matids, uvs)
f = self._make_edge(t_step, n_subs * i + j, 0, f, rM, verts, faces, matids, uvs)
else:
f = self._make_step(self.t_step, i, 0, verts)
f = self._make_edge(self.t_step, i, 0, f, rM, verts, faces, matids, uvs)
self._make_step(self.t_step, i + 1, 0, verts, i == self.n_step - 1 and 'LANDING' not in self.next_type)
self.make_faces(f, rM, verts, faces, matids, uvs)
if "OPEN" in self.steps_type and 'LANDING' not in self.next_type:
faces.append((f + 13, f + 14, f + 15, f + 16))
matids.append(self.idmat_step_front)
uvs.append([(0, 0), (0, 1), (1, 1), (1, 0)])
def straight_landing(self, length):
return Stair.straight_landing(self, length, last_type='LANDING')
def curved_landing(self, da, radius, left_shape, right_shape, double_limit=pi):
return Stair.curved_landing(self, da, radius, left_shape,
right_shape, double_limit=double_limit, last_type='LANDING')
def get_z(self, t, mode):
if mode == 'STEP':
return self.z0 + self.step_height
else:
return self.z0
class StairGenerator():
def __init__(self, parts):
self.parts = parts
self.last_type = 'NONE'
self.stairs = []
self.steps_type = 'NONE'
self.sum_da = 0
self.user_defined_post = None
self.user_defined_uvs = None
self.user_defined_mat = None
def add_part(self, type, steps_type, nose_type, z_mode, nose_z, bottom_z, center,
radius, da, width_left, width_right, length, left_shape, right_shape):
self.steps_type = steps_type
if len(self.stairs) < 1:
s = None
else:
s = self.stairs[-1]
if "S_" not in type:
self.sum_da += da
# start a new stair
if s is None:
if type == 'S_STAIR':
p = Vector((0, 0))
v = Vector((0, length))
s = StraightStair(p, v, width_left, width_right, steps_type, nose_type, z_mode, nose_z, bottom_z)
elif type == 'C_STAIR':
if da < 0:
c = Vector((radius, 0))
else:
c = Vector((-radius, 0))
s = CurvedStair(c, radius, 0, da, width_left, width_right, steps_type,
nose_type, z_mode, nose_z, bottom_z, left_shape, right_shape)
elif type == 'D_STAIR':
if da < 0:
c = Vector((radius, 0))
else:
c = Vector((-radius, 0))
s = CurvedStair(c, radius, 0, da, width_left, width_right, steps_type,
nose_type, z_mode, nose_z, bottom_z, left_shape, right_shape, double_limit=0)
elif type == 'S_LANDING':
p = Vector((0, 0))
v = Vector((0, length))
s = StraightLanding(p, v, width_left, width_right, steps_type, nose_type, z_mode, nose_z, bottom_z)
elif type == 'C_LANDING':
if da < 0:
c = Vector((radius, 0))
else:
c = Vector((-radius, 0))
s = CurvedLanding(c, radius, 0, da, width_left, width_right, steps_type,
nose_type, z_mode, nose_z, bottom_z, left_shape, right_shape)
elif type == 'D_LANDING':
if da < 0:
c = Vector((radius, 0))
else:
c = Vector((-radius, 0))
s = CurvedLanding(c, radius, 0, da, width_left, width_right, steps_type,
nose_type, z_mode, nose_z, bottom_z, left_shape, right_shape, double_limit=0)
else:
if type == 'S_STAIR':
s = s.straight_stair(length)
elif type == 'C_STAIR':
s = s.curved_stair(da, radius, left_shape, right_shape)
elif type == 'D_STAIR':
s = s.curved_stair(da, radius, left_shape, right_shape, double_limit=0)
elif type == 'S_LANDING':
s = s.straight_landing(length)
elif type == 'C_LANDING':
s = s.curved_landing(da, radius, left_shape, right_shape)
elif type == 'D_LANDING':
s = s.curved_landing(da, radius, left_shape, right_shape, double_limit=0)
self.stairs.append(s)
self.last_type = type
def n_steps(self, step_depth):
n_steps = 0
for stair in self.stairs:
n_steps += stair.step_size(step_depth)
return n_steps
def set_height(self, step_height):
z = 0
for stair in self.stairs:
stair.set_height(step_height, z)
z = stair.top
def make_stair(self, height, step_depth, verts, faces, matids, uvs, nose_y=0):
n_steps = self.n_steps(step_depth)
self.set_height(height / n_steps)
for s, stair in enumerate(self.stairs):
if s < len(self.parts):
manipulator = self.parts[s].manipulators[0]
# Store Gl Points for manipulators
if 'Curved' in type(stair).__name__:
c = stair.c
p0 = (stair.p0 - c).to_3d()
p1 = (stair.p1 - c).to_3d()
manipulator.set_pts([(c.x, c.y, stair.top), p0, p1])
manipulator.type_key = 'ARC_ANGLE_RADIUS'
manipulator.prop1_name = 'da'
manipulator.prop2_name = 'radius'
else:
if self.sum_da > 0:
side = 1
else:
side = -1
v0 = stair.p0
v1 = stair.p1
manipulator.set_pts([(v0.x, v0.y, stair.top), (v1.x, v1.y, stair.top), (side, 0, 0)])
manipulator.type_key = 'SIZE'
manipulator.prop1_name = 'length'
for i in range(stair.n_step):
stair.make_step(i, verts, faces, matids, uvs, nose_y=nose_y)
if s < len(self.stairs) - 1 and self.steps_type != 'OPEN' and \
'Landing' in type(stair).__name__ and stair.next_type != "LANDING":
f = len(verts) - 10
faces.append((f, f + 1, f + 8, f + 9))
matids.append(self.stairs[-1].idmat_bottom)
u = verts[f + 1][2] - verts[f][2]
v = (Vector(verts[f]) - Vector(verts[f + 9])).length
uvs.append([(0, 0), (0, u), (v, u), (v, 0)])
if self.steps_type != 'OPEN' and len(self.stairs) > 0:
f = len(verts) - 10
faces.append((f, f + 1, f + 2, f + 3, f + 4, f + 5, f + 6, f + 7, f + 8, f + 9))
matids.append(self.stairs[-1].idmat_bottom)
uvs.append([(0, 0), (.1, 0), (.2, 0), (.3, 0), (.4, 0), (.4, 1), (.3, 1), (.2, 1), (.1, 1), (0, 1)])
def setup_user_defined_post(self, o, post_x, post_y, post_z):
self.user_defined_post = o
x = o.bound_box[6][0] - o.bound_box[0][0]
y = o.bound_box[6][1] - o.bound_box[0][1]
z = o.bound_box[6][2] - o.bound_box[0][2]
self.user_defined_post_scale = Vector((post_x / x, post_y / -y, post_z / z))
m = o.data
# create vertex group lookup dictionary for names
vgroup_names = {vgroup.index: vgroup.name for vgroup in o.vertex_groups}
# create dictionary of vertex group assignments per vertex
self.vertex_groups = [[vgroup_names[g.group] for g in v.groups] for v in m.vertices]