def __init__(self, mesh_list, image, size, PREF_IMAGE_MARGIN):
self.image = image
self.size = size
self.faces = [
f for me in mesh_list for f in me.faces
if f.mode & TEXMODE and f.image == image
]
# Find the best rotation.
all_points = [uv for f in self.faces for uv in f.uv]
bountry_indicies = BPyMathutils.convexHull(all_points)
bountry_points = [all_points[i] for i in bountry_indicies]
# Pre Rotation bounds
self.cent = pointBounds(bountry_points)[1]
# Get the optimal rotation angle
self.ang = bestBoundsRotation(bountry_points)
self.rot_mat = RotationMatrix(self.ang,
2), RotationMatrix(-self.ang, 2)
# Post rotation bounds
bounds= pointBounds([\
((uv-self.cent) * self.rot_mat[0]) + self.cent\
for uv in bountry_points])[2]
# Break the bounds into useable values.
xmin, ymin, xmax, ymax = bounds
# Store the bounds, include the margin.
# The bounds rect will need to be rotated to the rotation angle.
self.xmax = xmax + (PREF_IMAGE_MARGIN / size[0])
self.xmin = xmin - (PREF_IMAGE_MARGIN / size[0])
self.ymax = ymax + (PREF_IMAGE_MARGIN / size[1])
self.ymin = ymin - (PREF_IMAGE_MARGIN / size[1])
self.box_pack=[\
0.0, 0.0,\
size[0]*(self.xmax - self.xmin),\
size[1]*(self.ymax - self.ymin),\
image.name]
def __init__(self, mesh_list, image, size, PREF_IMAGE_MARGIN): self.image= image self.size= size self.faces= [f for me in mesh_list for f in me.faces if f.mode & TEXMODE and f.image == image] # Find the best rotation. all_points= [uv for f in self.faces for uv in f.uv] bountry_indicies= BPyMathutils.convexHull(all_points) bountry_points= [all_points[i] for i in bountry_indicies] # Pre Rotation bounds self.cent= pointBounds(bountry_points)[1] # Get the optimal rotation angle self.ang= bestBoundsRotation(bountry_points) self.rot_mat= RotationMatrix(self.ang, 2), RotationMatrix(-self.ang, 2) # Post rotation bounds bounds= pointBounds([\ ((uv-self.cent) * self.rot_mat[0]) + self.cent\ for uv in bountry_points])[2] # Break the bounds into useable values. xmin, ymin, xmax, ymax= bounds # Store the bounds, include the margin. # The bounds rect will need to be rotated to the rotation angle. self.xmax= xmax + (PREF_IMAGE_MARGIN/size[0]) self.xmin= xmin - (PREF_IMAGE_MARGIN/size[0]) self.ymax= ymax + (PREF_IMAGE_MARGIN/size[1]) self.ymin= ymin - (PREF_IMAGE_MARGIN/size[1]) self.box_pack=[\ 0.0, 0.0,\ size[0]*(self.xmax - self.xmin),\ size[1]*(self.ymax - self.ymin),\ image.name]
def save_billboard(PREF_IMAGE_PATH):
Blender.Window.WaitCursor(1)
# remove png, add it later
PREF_IMAGE_PATH = PREF_IMAGE_PATH.replace('.png', '')
ob_sel = GLOBALS['ob_sel']
me_ob = GLOBALS['me_ob']
me_data = GLOBALS['me_data']
time = Blender.sys.time()
me_mat = me_ob.matrixWorld
# Render images for all faces
face_data = [] # Store faces, images etc
boxes2Pack = []
me_data.faceUV = True
for i, f in enumerate(me_data.faces):
no = f.no
# Offset the plane by the zoffset on the faces normal
plane = [v.co * me_mat for v in f]
# Horizontal stacking, make sure 0,1 and 2,3 are the longest
if\
(plane[0]-plane[1]).length + (plane[2]-plane[3]).length < \
(plane[1]-plane[2]).length + (plane[3]-plane[0]).length:
plane.append(plane.pop(0))
rot90 = True
else:
rot90 = False
no = Blender.Mathutils.QuadNormal(*plane)
plane = [v + no * PREF_Z_OFFSET.val for v in plane]
cent = (plane[0] + plane[1] + plane[2] + plane[3]) / 4.0
camera_matrix = BPyMathutils.plane2mat(plane)
tmp_path = '%s_%d' % (PREF_IMAGE_PATH, i)
img = BPyRender.imageFromObjectsOrtho(ob_sel, tmp_path,
PREF_TILE_RES.val,
PREF_TILE_RES.val, PREF_AA.val,
PREF_ALPHA.val, camera_matrix)
img.reload()
#img.pack() # se we can keep overwriting the path
#img.filename= ""
if rot90:
f.uv = Vector(1, 1), Vector(0, 1), Vector(0, 0), Vector(1, 0)
else:
f.uv = Vector(0, 1), Vector(0, 0), Vector(1, 0), Vector(1, 1)
if not PREF_IMG_PACK.val:
f.mode |= Mesh.FaceModes.TEX
f.image = img
if PREF_ALPHA.val:
f.transp |= Mesh.FaceTranspModes.ALPHA
else:
w = ((plane[0] - plane[1]).length +
(plane[2] - plane[3]).length) / 2
h = ((plane[1] - plane[2]).length +
(plane[3] - plane[0]).length) / 2
face_data.append((f, img))
boxes2Pack.append([0.0, 0.0, h, w, i])
if PREF_IMG_PACK.val:
# pack the quads into a square
packWidth, packHeight = Blender.Geometry.BoxPack2D(boxes2Pack)
render_obs = []
render_mat = alpha_mat(img)
# Add geometry to the mesh
for box in boxes2Pack:
i = box[4]
orig_f, img = face_data[i]
# New Mesh and Object
render_me = bpy.data.meshes.new()
render_ob = Blender.Object.New('Mesh')
render_me.materials = [render_mat]
render_ob.link(render_me)
render_obs.append(render_ob)
# Add verts clockwise from the bottom left.
_x = box[0] / packWidth
_y = box[1] / packHeight
_w = box[2] / packWidth
_h = box[3] / packHeight
render_me.verts.extend([\
Vector(_x, _y, 0),\
Vector(_x, _y +_h, 0),\
Vector(_x + _w, _y +_h, 0),\
Vector(_x + _w, _y, 0),\
])
render_me.faces.extend(list(render_me.verts))
render_me.faceUV = True
render_me.faces[0].uv = [
Vector(0, 0),
Vector(0, 1),
Vector(1, 1),
Vector(1, 0)
]
render_me.faces[0].image = img
# Set the UV's, we need to flip them HOZ?
for uv in orig_f.uv:
uv.x = _x + (uv.x * _w)
uv.y = _y + (uv.y * _h)
target_image = BPyRender.imageFromObjectsOrtho(
render_obs, PREF_IMAGE_PATH, PREF_RES.val, PREF_RES.val,
PREF_AA.val, PREF_ALPHA.val, None)
target_image.reload() # incase your overwriting an existing image.
# Set to the 1 image.
for f in me_data.faces:
f.image = target_image
if PREF_ALPHA.val:
f.transp |= Mesh.FaceTranspModes.ALPHA
# Free the images data and remove
for data in face_data:
img = data[1]
os.remove(img.filename)
img.reload()
# Finish pack
me_data.update()
me_ob.makeDisplayList()
Blender.Window.WaitCursor(0)
print '%.2f secs taken' % (Blender.sys.time() - time)
def save_billboard(PREF_IMAGE_PATH):
Blender.Window.WaitCursor(1)
# remove png, add it later
PREF_IMAGE_PATH= PREF_IMAGE_PATH.replace('.png', '')
ob_sel= GLOBALS['ob_sel']
me_ob = GLOBALS['me_ob']
me_data = GLOBALS['me_data']
time= Blender.sys.time()
me_mat= me_ob.matrixWorld
# Render images for all faces
face_data= [] # Store faces, images etc
boxes2Pack= []
me_data.faceUV= True
for i, f in enumerate(me_data.faces):
no= f.no
# Offset the plane by the zoffset on the faces normal
plane= [v.co * me_mat for v in f]
# Horizontal stacking, make sure 0,1 and 2,3 are the longest
if\
(plane[0]-plane[1]).length + (plane[2]-plane[3]).length < \
(plane[1]-plane[2]).length + (plane[3]-plane[0]).length:
plane.append(plane.pop(0))
rot90= True
else:
rot90= False
no= Blender.Mathutils.QuadNormal(*plane)
plane= [v + no*PREF_Z_OFFSET.val for v in plane]
cent= (plane[0]+plane[1]+plane[2]+plane[3] ) /4.0
camera_matrix= BPyMathutils.plane2mat(plane)
tmp_path= '%s_%d' % (PREF_IMAGE_PATH, i)
img= BPyRender.imageFromObjectsOrtho(ob_sel, tmp_path, PREF_TILE_RES.val, PREF_TILE_RES.val, PREF_AA.val, PREF_ALPHA.val, camera_matrix)
img.reload()
#img.pack() # se we can keep overwriting the path
#img.filename= ""
if rot90:
f.uv=Vector(1,1), Vector(0,1), Vector(0,0), Vector(1,0)
else:
f.uv= Vector(0,1), Vector(0,0), Vector(1,0), Vector(1,1)
if not PREF_IMG_PACK.val:
f.mode |= Mesh.FaceModes.TEX
f.image = img
if PREF_ALPHA.val:
f.transp |= Mesh.FaceTranspModes.ALPHA
else:
w= ((plane[0]-plane[1]).length + (plane[2]-plane[3]).length)/2
h= ((plane[1]-plane[2]).length + (plane[3]-plane[0]).length)/2
face_data.append( (f, img) )
boxes2Pack.append( [0.0,0.0,h, w, i] )
if PREF_IMG_PACK.val:
# pack the quads into a square
packWidth, packHeight = Blender.Geometry.BoxPack2D(boxes2Pack)
render_obs= []
render_mat= alpha_mat(img)
# Add geometry to the mesh
for box in boxes2Pack:
i= box[4]
orig_f, img= face_data[i]
# New Mesh and Object
render_me= bpy.data.meshes.new()
render_ob= Blender.Object.New('Mesh')
render_me.materials= [render_mat]
render_ob.link(render_me)
render_obs.append(render_ob)
# Add verts clockwise from the bottom left.
_x= box[0] / packWidth
_y= box[1] / packHeight
_w= box[2] / packWidth
_h= box[3] / packHeight
render_me.verts.extend([\
Vector(_x, _y, 0),\
Vector(_x, _y +_h, 0),\
Vector(_x + _w, _y +_h, 0),\
Vector(_x + _w, _y, 0),\
])
render_me.faces.extend(list(render_me.verts))
render_me.faceUV= True
render_me.faces[0].uv = [Vector(0,0), Vector(0,1), Vector(1,1), Vector(1,0)]
render_me.faces[0].image = img
# Set the UV's, we need to flip them HOZ?
for uv in orig_f.uv:
uv.x = _x + (uv.x * _w)
uv.y = _y + (uv.y * _h)
target_image= BPyRender.imageFromObjectsOrtho(render_obs, PREF_IMAGE_PATH, PREF_RES.val, PREF_RES.val, PREF_AA.val, PREF_ALPHA.val, None)
target_image.reload() # incase your overwriting an existing image.
# Set to the 1 image.
for f in me_data.faces:
f.image= target_image
if PREF_ALPHA.val:
f.transp |= Mesh.FaceTranspModes.ALPHA
# Free the images data and remove
for data in face_data:
img= data[1]
os.remove(img.filename)
img.reload()
# Finish pack
me_data.update()
me_ob.makeDisplayList()
Blender.Window.WaitCursor(0)
print '%.2f secs taken' % (Blender.sys.time()-time)
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # ***** END GPL LICENCE BLOCK ***** # -------------------------------------------------------------------------- #Run discombobulator.py, not this. import Blender from Blender import NMesh,Object,Material from Blender.NMesh import Vert,Face from Blender.Mathutils import * import BPyMathutils from BPyMathutils import genrand a = BPyMathutils.sgenrand(4859) #Create random numbers def randnum(low,high): num = genrand() num = num*(high-low) num = num+low return num face = Face() xmin = Vector([0,0,0]) xmax = Vector([0,0,0]) ymin = Vector([0,0,0]) ymax = Vector([0,0,0]) mxmin = Vector([0,0,0]) mxmax = Vector([0,0,0])
