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### 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 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/>.
#
# ##### END GPL LICENSE BLOCK #####
import bpy
import bgl
import gpu
import numpy as np
class SnapDrawn():
def __init__(self, out_color, face_color,
edge_color, vert_color, center_color,
perpendicular_color, constrain_shift_color,
axis_x_color, axis_y_color, axis_z_color):
self.out_color = out_color
self.face_color = face_color
self.edge_color = edge_color
self.vert_color = vert_color
self.center_color = center_color
self.perpendicular_color = perpendicular_color
self.constrain_shift_color = constrain_shift_color
self.axis_x_color = axis_x_color
self.axis_y_color = axis_y_color
self.axis_z_color = axis_z_color
self._format_pos = gpu.types.GPUVertFormat()
self._format_pos.attr_add(id="pos", comp_type='F32', len=3, fetch_mode='FLOAT')
self._format_pos_and_color = gpu.types.GPUVertFormat()
self._format_pos_and_color.attr_add(id="pos", comp_type='F32', len=3, fetch_mode='FLOAT')
self._format_pos_and_color.attr_add(id="color", comp_type='F32', len=4, fetch_mode='FLOAT')
self._program_unif_col = gpu.shader.from_builtin("3D_UNIFORM_COLOR")
self._program_smooth_col = gpu.shader.from_builtin("3D_SMOOTH_COLOR")
self._batch_point = None
self._batch_circle = None
self._batch_vector = None
def batch_line_strip_create(self, coords):
vbo = gpu.types.GPUVertBuf(self._format_pos, len = len(coords))
vbo.attr_fill(0, data = coords)
batch_lines = gpu.types.GPUBatch(type = "LINE_STRIP", buf = vbo)
return batch_lines
def batch_lines_smooth_color_create(self, coords, colors):
vbo = gpu.types.GPUVertBuf(self._format_pos_and_color, len = len(coords))
vbo.attr_fill(0, data = coords)
vbo.attr_fill(1, data = colors)
batch_lines = gpu.types.GPUBatch(type = "LINES", buf = vbo)
return batch_lines
def batch_triangles_create(self, coords):
vbo = gpu.types.GPUVertBuf(self._format_pos, len = len(coords))
vbo.attr_fill(0, data = coords)
batch_tris = gpu.types.GPUBatch(type = "TRIS", buf = vbo)
return batch_tris
def batch_point_get(self):
if self._batch_point is None:
vbo = gpu.types.GPUVertBuf(self._format_pos, len = 1)
vbo.attr_fill(0, ((0.0, 0.0, 0.0),))
self._batch_point = gpu.types.GPUBatch(type = "POINTS", buf = vbo)
return self._batch_point
def draw(self, type, location, list_verts_co, vector_constrain, prevloc):
# draw 3d point OpenGL in the 3D View
bgl.glEnable(bgl.GL_BLEND)
gpu.matrix.push()
self._program_unif_col.bind()
if list_verts_co:
# draw 3d line OpenGL in the 3D View
bgl.glDepthRange(0, 0.9999)
bgl.glLineWidth(3.0)
batch = self.batch_line_strip_create([v.to_tuple() for v in list_verts_co] + [location.to_tuple()])
self._program_unif_col.uniform_float("color", (1.0, 0.8, 0.0, 0.5))
batch.draw(self._program_unif_col)
del batch
bgl.glDisable(bgl.GL_DEPTH_TEST)
point_batch = self.batch_point_get()
if vector_constrain:
if prevloc:
bgl.glPointSize(5)
gpu.matrix.translate(prevloc)
self._program_unif_col.uniform_float("color", (1.0, 1.0, 1.0, 0.5))
point_batch.draw(self._program_unif_col)
gpu.matrix.translate(-prevloc)
if vector_constrain[2] == 'X':
Color4f = self.axis_x_color
elif vector_constrain[2] == 'Y':
Color4f = self.axis_y_color
elif vector_constrain[2] == 'Z':
Color4f = self.axis_z_color
else:
Color4f = self.constrain_shift_color
else:
if type == 'OUT':
Color4f = self.out_color
elif type == 'FACE':
Color4f = self.face_color
elif type == 'EDGE':
Color4f = self.edge_color
elif type == 'VERT':
Color4f = self.vert_color
elif type == 'CENTER':
Color4f = self.center_color
elif type == 'PERPENDICULAR':
Color4f = self.perpendicular_color
else: # type == None
Color4f = self.out_color
bgl.glPointSize(10)
gpu.matrix.translate(location)
self._program_unif_col.uniform_float("color", Color4f)
point_batch.draw(self._program_unif_col)
# restore opengl defaults
bgl.glDepthRange(0.0, 1.0)
bgl.glPointSize(1.0)
bgl.glLineWidth(1.0)
bgl.glEnable(bgl.GL_DEPTH_TEST)
bgl.glDisable(bgl.GL_BLEND)
gpu.matrix.pop()
def draw_elem(self, snap_obj, bm, elem):
from bmesh.types import(
BMVert,
BMEdge,
BMFace,
)
# draw 3d point OpenGL in the 3D View
bgl.glEnable(bgl.GL_BLEND)
bgl.glDisable(bgl.GL_DEPTH_TEST)
gpu.matrix.push()
gpu.matrix.multiply_matrix(snap_obj.mat)
if isinstance(elem, BMVert):
color = self.vert_color
edges = np.empty((len(elem.link_edges), 2), [("pos", "f4", 3), ("color", "f4", 4)])
edges["pos"][:, 0] = elem.co
edges["pos"][:, 1] = [e.other_vert(elem).co for e in elem.link_edges]
edges["color"][:, 0] = color
edges["color"][:, 1] = (color[0], color[1], color[2], 0.0)
edges.shape = -1
self._program_smooth_col.bind()
bgl.glLineWidth(3.0)
batch = self.batch_lines_smooth_color_create(edges["pos"], edges["color"])
batch.draw(self._program_smooth_col)
bgl.glLineWidth(1.0)
else:
self._program_unif_col.bind()
if isinstance(elem, BMEdge):
self._program_unif_col.uniform_float("color", self.edge_color)
bgl.glLineWidth(3.0)
batch = self.batch_line_strip_create([v.co for v in elem.verts])
batch.draw(self._program_unif_col)
bgl.glLineWidth(1.0)
elif isinstance(elem, BMFace):
face_color = self.face_color[0], self.face_color[1], self.face_color[2], self.face_color[3] * 0.2
self._program_unif_col.uniform_float("color", face_color)
tris = snap_obj.data[1].get_loop_tri_co_by_bmface(bm, elem)
tris.shape = (-1, 3)
batch = self.batch_triangles_create(tris)
batch.draw(self._program_unif_col)
# restore opengl defaults
bgl.glEnable(bgl.GL_DEPTH_TEST)
bgl.glDisable(bgl.GL_BLEND)
gpu.matrix.pop()
class SnapNavigation():
@staticmethod
def debug_key(key):
for member in dir(key):
print(member, getattr(key, member))
@staticmethod
def convert_to_flag(shift, ctrl, alt):
return (shift << 0) | (ctrl << 1) | (alt << 2)
def __init__(self, context, use_ndof):
# TO DO:
# 'View Orbit', 'View Pan', 'NDOF Orbit View', 'NDOF Pan View'
self.use_ndof = use_ndof and context.user_preferences.inputs.use_ndof
self._rotate = set()
self._move = set()
self._zoom = set()
if self.use_ndof:
self._ndof_all = set()
self._ndof_orbit = set()
self._ndof_orbit_zoom = set()
self._ndof_pan = set()
for key in context.window_manager.keyconfigs.user.keymaps['3D View'].keymap_items:
if key.idname == 'view3d.rotate':
self._rotate.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), key.type, key.value))
elif key.idname == 'view3d.move':
self._move.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), key.type, key.value))
elif key.idname == 'view3d.zoom':
if key.type == 'WHEELINMOUSE':
self._zoom.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), 'WHEELUPMOUSE', key.value, key.properties.delta))
elif key.type == 'WHEELOUTMOUSE':
self._zoom.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), 'WHEELDOWNMOUSE', key.value, key.properties.delta))
else:
self._zoom.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), key.type, key.value, key.properties.delta))
elif self.use_ndof:
if key.idname == 'view3d.ndof_all':
self._ndof_all.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), key.type))
elif key.idname == 'view3d.ndof_orbit':
self._ndof_orbit.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), key.type))
elif key.idname == 'view3d.ndof_orbit_zoom':
self._ndof_orbit_zoom.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), key.type))
elif key.idname == 'view3d.ndof_pan':
self._ndof_pan.add((self.convert_to_flag(key.shift, key.ctrl, key.alt), key.type))
def run(self, context, event, snap_location):
evkey = (self.convert_to_flag(event.shift, event.ctrl, event.alt), event.type, event.value)
if evkey in self._rotate:
bpy.ops.view3d.rotate('INVOKE_DEFAULT')
return True
if evkey in self._move:
#if event.shift and self.vector_constrain and \
# self.vector_constrain[2] in {'RIGHT_SHIFT', 'LEFT_SHIFT', 'shift'}:
# self.vector_constrain = None
bpy.ops.view3d.move('INVOKE_DEFAULT')
return True
for key in self._zoom:
if evkey == key[0:3]:
if snap_location:
v3d = context.space_data
dist_range = (v3d.clip_start, v3d.clip_end)
rv3d = context.region_data
if (key[3] < 0 and rv3d.view_distance < dist_range[1]) or\
(key[3] > 0 and rv3d.view_distance > dist_range[0]):
rv3d.view_location += key[3] * (snap_location - rv3d.view_location) / 6
rv3d.view_distance -= key[3] * rv3d.view_distance / 6
context.area.tag_redraw()
else:
bpy.ops.view3d.zoom('INVOKE_DEFAULT', delta = key[3])
return True
if self.use_ndof:
ndofkey = evkey[:2]
if evkey in self._ndof_all:
bpy.ops.view3d.ndof_all('INVOKE_DEFAULT')
return True
if evkey in self._ndof_orbit:
bpy.ops.view3d.ndof_orbit('INVOKE_DEFAULT')
return True
if evkey in self._ndof_orbit_zoom:
bpy.ops.view3d.ndof_orbit_zoom('INVOKE_DEFAULT')
return True
if evkey in self._ndof_pan:
bpy.ops.view3d.ndof_pan('INVOKE_DEFAULT')
return True
return False
class CharMap:
ascii = {
".", ",", "-", "+", "1", "2", "3",
"4", "5", "6", "7", "8", "9", "0",
"c", "m", "d", "k", "h", "a",
" ", "/", "*", "'", "\""
# "="
}
type = {
'BACK_SPACE', 'DEL',
'LEFT_ARROW', 'RIGHT_ARROW'
}
@staticmethod
def modal(self, context, event):
c = event.ascii
if c:
if c == ",":
c = "."
self.length_entered = self.length_entered[:self.line_pos] + c + self.length_entered[self.line_pos:]
self.line_pos += 1
if self.length_entered:
if event.type == 'BACK_SPACE':
self.length_entered = self.length_entered[:self.line_pos - 1] + self.length_entered[self.line_pos:]
self.line_pos -= 1
elif event.type == 'DEL':
self.length_entered = self.length_entered[:self.line_pos] + self.length_entered[self.line_pos + 1:]
elif event.type == 'LEFT_ARROW':
self.line_pos = (self.line_pos - 1) % (len(self.length_entered) + 1)
elif event.type == 'RIGHT_ARROW':
self.line_pos = (self.line_pos + 1) % (len(self.length_entered) + 1)