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print("How to use: paste into a Blender Text Editor panel, select object, Run Script")
y_up = True
enable_minetest = True
import bpy
#from mathutils import Matrix
from mathutils import Vector
#from mathutils import Euler
ob1 = None
try:
ob1 = obj.select_get()
except:
# < 2.8
ob1 = bpy.context.scene.objects.active
class MessageBox(bpy.types.Operator):
bl_idname = "message.messagebox"
bl_label = ""
message = bpy.props.StringProperty(
name = "message",
description = "message",
default = ''
)
def execute(self, context):
self.report({'INFO'}, self.message)
print(self.message)
return {'FINISHED'}
def invoke(self, context, event):
return context.window_manager.invoke_props_dialog(self, width = 400)
def draw(self, context):
self.layout.label(self.message)
self.layout.label("")
#col = self.layout.column(align = True)
#col.prop(context.scene, "my_string_prop")
bpy.utils.register_class(MessageBox)
#print(str(thisO))
#extents1 = ob1.dimensions.copy()
#if (extents1.x == 0.0) and (extents1.y == 0.0) and (extents1.z == 0.0) and (ob1.scale.x > 0.0):
#extents1.x = extents1.x / 10.0
#extents1.y = extents1.y / 10.0
#extents1.z = extents1.z / 10.0
loc1 = ob1.location
#loc1 = ob1.matrix_world.translation
#print(str(extents1))
#see https://blender.stackexchange.com/questions/8459/get-blender-x-y-z-and-bounding-box-with-script
#bbox_corners = [ob1.matrix_world * Vector(corner) for corner in ob1.bound_box]
#use ground as bottom
#if zMin < 0.0:
# yMax -= yMin
# yMin = 0.0
#print(
# " collisionbox = {{{:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}}}".format(xMin, yMin, zMin, xMax, yMax, zMax)
#)
#see https://blender.stackexchange.com/questions/6139/how-to-iterate-through-all-vertices-of-an-object-that-contains-multiple-meshes
mesh = ob1.data
#print("mesh:" + str(mesh))
#print("hasattr(mesh, 'vertices'):" + str(hasattr(mesh, 'vertices')))]
xMin = None
if (mesh is not None) and (not hasattr(mesh, 'vertices')):
print("--can't calculate collisionbox for skeleton")
elif mesh is not None:
xMin = None
yMin = None
zMin = None
xMax = None
yMax = None
zMax = None
for vert in mesh.vertices:
# switch y and z for Minetest (y-up)
if (xMin is None) or (vert.co.x < xMin):
xMin = vert.co.x
if (xMax is None) or (vert.co.x > xMax):
xMax = vert.co.x
if (yMin is None) or (vert.co.y < yMin):
yMin = vert.co.y
if (yMax is None) or (vert.co.y > yMax):
yMax = vert.co.y
if (zMin is None) or (vert.co.z < zMin):
zMin = vert.co.z
if (zMax is None) or (vert.co.z > zMax):
zMax = vert.co.z
#print(str(extents1))
#print("--by vertices (raw):")
#print(
# " collisionbox = {{{:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}}}".format(xMin, yMin, zMin, xMax, yMax, zMax)
#)
xMax += ob1.location.x
xMin += ob1.location.x
yMax += ob1.location.y
yMin += ob1.location.y
zMax += ob1.location.z
zMin += ob1.location.z
print("--by vertices:")
else:
extents1 = ob1.scale.copy()
# Object is an empty, so scale up for Minetest
extents1.x = extents1.x * 2.0
extents1.y = extents1.y * 2.0
extents1.z = extents1.z * 2.0
xMin = loc1.x - extents1.x / 2.0
xMax = loc1.x + extents1.x / 2.0
yMin = loc1.y - extents1.y / 2.0
yMax = loc1.y + extents1.y / 2.0
zMin = loc1.z - extents1.z / 2.0
zMax = loc1.z + extents1.z / 2.0
print("--using empty object:")
#switch y and z for Minetest (y-up):
if enable_minetest:
xMin /= 10.0
xMax /= 10.0
yMin /= 10.0
yMax /= 10.0
zMin /= 10.0
zMax /= 10.0
msg = 'Size is not available. Make sure you have a mesh object selected.'
if xMin is not None:
if y_up:
tmp = yMin
yMin = zMin
zMin = tmp
tmp = yMax
yMax = zMax
zMax = tmp
msg = " collisionbox = {{{:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}, {:.2f}}}".format(xMin, yMin, zMin, xMax, yMax, zMax)
# print(msg)
bpy.ops.message.messagebox('INVOKE_DEFAULT', message = msg)
bpy.utils.unregister_class(MessageBox)