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io_scene_3ds: Added scale factor to 3ds export #104767

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Sebastian Sille merged 3 commits from :main into main 2023-07-21 23:44:22 +02:00
Conversation 0 Commits 3 Files Changed 3 +29 -21
2 changed files with 29 additions and 21 deletions
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7
io_scene_3ds/__init__.py
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@ -106,6 +106,13 @@ class Export3DS(bpy.types.Operator, ExportHelper):
options={'HIDDEN'},
)
scale_factor: FloatProperty(
name="Scale",
description="Scale factor for all objects",
min=0.0, max=100000.0,
soft_min=0.0, soft_max=100000.0,
default=1.0,
)
use_selection: BoolProperty(
name="Selection Only",
description="Export selected objects only",

43
io_scene_3ds/export_3ds.py
View File

@ -1086,6 +1086,7 @@ def make_kfdata(revision, start=0, stop=100, curtime=0):
def make_track_chunk(ID, ob, ob_pos, ob_rot, ob_size):
"""Make a chunk for track data. Depending on the ID, this will construct
a position, rotation, scale, roll, color, fov, hotspot or falloff track."""
ob_distance = mathutils.Matrix.Diagonal(ob_size)
track_chunk = _3ds_chunk(ID)
if ID in {POS_TRACK_TAG, ROT_TRACK_TAG, SCL_TRACK_TAG, ROLL_TRACK_TAG} and ob.animation_data and ob.animation_data.action:
@ -1110,9 +1111,10 @@ def make_track_chunk(ID, ob, ob_pos, ob_rot, ob_size):
pos_x = next((tc.evaluate(frame) for tc in pos_track if tc.array_index == 0), ob_pos.x)
pos_y = next((tc.evaluate(frame) for tc in pos_track if tc.array_index == 1), ob_pos.y)
pos_z = next((tc.evaluate(frame) for tc in pos_track if tc.array_index == 2), ob_pos.z)
pos = ob_distance @ mathutils.Vector((pos_x, pos_y, pos_z))
track_chunk.add_variable("tcb_frame", _3ds_uint(int(frame)))
track_chunk.add_variable("tcb_flags", _3ds_ushort())
track_chunk.add_variable("position", _3ds_point_3d((pos_x, pos_y, pos_z)))
track_chunk.add_variable("position", _3ds_point_3d((pos.x, pos.y, pos.z)))
elif ID == ROT_TRACK_TAG: # Rotation
for i, frame in enumerate(kframes):
@ -1373,8 +1375,7 @@ def make_target_node(ob, translation, rotation, scale, name_id):
# Calculate target position
ob_pos = translation[name]
ob_rot = rotation[name]
ob_size = scale[name]
ob_size = mathutils.Matrix.Diagonal(scale[name])
target_pos = calc_target(ob_pos, ob_rot.x, ob_rot.z)
# Add track chunks for target position
@ -1404,7 +1405,8 @@ def make_target_node(ob, translation, rotation, scale, name_id):
rot_target = [fc for fc in fcurves if fc is not None and fc.data_path == 'rotation_euler']
rot_x = next((tc.evaluate(frame) for tc in rot_target if tc.array_index == 0), ob_rot.x)
rot_z = next((tc.evaluate(frame) for tc in rot_target if tc.array_index == 2), ob_rot.z)
target_pos = calc_target(mathutils.Vector((loc_x, loc_y, loc_z)), rot_x, rot_z)
target_distance = ob_size @ mathutils.Vector((loc_x, loc_y, loc_z))
target_pos = calc_target(target_distance, rot_x, rot_z)
track_chunk.add_variable("tcb_frame", _3ds_uint(int(frame)))
track_chunk.add_variable("tcb_flags", _3ds_ushort())
track_chunk.add_variable("position", _3ds_point_3d(target_pos))
@ -1487,9 +1489,11 @@ def make_ambient_node(world):
# EXPORT #
##########
def save(operator, context, filepath="", use_selection=False, use_hierarchy=False, write_keyframe=False, global_matrix=None):
def save(operator, context, filepath="", scale_factor=1.0, use_selection=False, use_hierarchy=False, write_keyframe=False, global_matrix=None):
"""Save the Blender scene to a 3ds file."""
mtx_scale = mathutils.Matrix.Scale(scale_factor, 4)
# Time the export
duration = time.time()
context.window.cursor_set('WAIT')
@ -1575,6 +1579,7 @@ def save(operator, context, filepath="", use_selection=False, use_hierarchy=Fals
if data:
matrix = global_matrix @ mtx
data.transform(matrix)
data.transform(mtx_scale)
mesh_objects.append((ob_derived, data, matrix))
ma_ls = data.materials
ma_ls_len = len(ma_ls)
@ -1623,38 +1628,32 @@ def save(operator, context, filepath="", use_selection=False, use_hierarchy=Fals
name_id = {}
for ob, data, matrix in mesh_objects:
translation[ob.name] = ob.location
translation[ob.name] = mtx_scale @ ob.location.copy()
rotation[ob.name] = ob.rotation_euler
scale[ob.name] = ob.scale
name_id[ob.name] = len(name_id)
object_id[ob.name] = len(object_id)
for ob in empty_objects:
translation[ob.name] = ob.location
translation[ob.name] = mtx_scale @ ob.location.copy()
rotation[ob.name] = ob.rotation_euler
scale[ob.name] = ob.scale
name_id[ob.name] = len(name_id)
for ob in light_objects:
translation[ob.name] = ob.location
translation[ob.name] = mtx_scale @ ob.location.copy()
rotation[ob.name] = ob.rotation_euler
scale[ob.name] = ob.scale
scale[ob.name] = mtx_scale.to_scale()
name_id[ob.name] = len(name_id)
object_id[ob.name] = len(object_id)
for ob in camera_objects:
translation[ob.name] = ob.location
translation[ob.name] = mtx_scale @ ob.location.copy()
rotation[ob.name] = ob.rotation_euler
scale[ob.name] = ob.scale
scale[ob.name] = mtx_scale.to_scale()
name_id[ob.name] = len(name_id)
object_id[ob.name] = len(object_id)
for ob in light_objects:
object_id[ob.name] = len(object_id)
for ob in camera_objects:
object_id[ob.name] = len(object_id)
# Create object chunks for all meshes
i = 0
for ob, mesh, matrix in mesh_objects:
@ -1701,9 +1700,10 @@ def save(operator, context, filepath="", use_selection=False, use_hierarchy=Fals
object_chunk = _3ds_chunk(OBJECT)
obj_light_chunk = _3ds_chunk(OBJECT_LIGHT)
color_float_chunk = _3ds_chunk(RGB)
light_distance = mtx_scale @ ob.location.copy()
light_energy_factor = _3ds_chunk(LIGHT_MULTIPLIER)
object_chunk.add_variable("light", _3ds_string(sane_name(ob.name)))
obj_light_chunk.add_variable("location", _3ds_point_3d(ob.location))
obj_light_chunk.add_variable("location", _3ds_point_3d(light_distance))
color_float_chunk.add_variable("color", _3ds_float_color(ob.data.color))
light_energy_factor.add_variable("energy", _3ds_float(ob.data.energy * 0.001))
obj_light_chunk.add_subchunk(color_float_chunk)
@ -1712,7 +1712,7 @@ def save(operator, context, filepath="", use_selection=False, use_hierarchy=Fals
if ob.data.type == 'SPOT':
cone_angle = math.degrees(ob.data.spot_size)
hot_spot = cone_angle - (ob.data.spot_blend * math.floor(cone_angle))
spot_pos = calc_target(ob.location, ob.rotation_euler.x, ob.rotation_euler.z)
spot_pos = calc_target(light_distance, ob.rotation_euler.x, ob.rotation_euler.z)
spotlight_chunk = _3ds_chunk(LIGHT_SPOTLIGHT)
spot_roll_chunk = _3ds_chunk(LIGHT_SPOT_ROLL)
spotlight_chunk.add_variable("target", _3ds_point_3d(spot_pos))
@ -1764,9 +1764,10 @@ def save(operator, context, filepath="", use_selection=False, use_hierarchy=Fals
for ob in camera_objects:
object_chunk = _3ds_chunk(OBJECT)
camera_chunk = _3ds_chunk(OBJECT_CAMERA)
camera_target = calc_target(ob.location, ob.rotation_euler.x, ob.rotation_euler.z)
camera_distance = mtx_scale @ ob.location.copy()
camera_target = calc_target(camera_distance, ob.rotation_euler.x, ob.rotation_euler.z)
object_chunk.add_variable("camera", _3ds_string(sane_name(ob.name)))
camera_chunk.add_variable("location", _3ds_point_3d(ob.location))
camera_chunk.add_variable("location", _3ds_point_3d(camera_distance))
camera_chunk.add_variable("target", _3ds_point_3d(camera_target))
camera_chunk.add_variable("roll", _3ds_float(round(ob.rotation_euler.y, 6)))
camera_chunk.add_variable("lens", _3ds_float(ob.data.lens))