From 680b9fa99bb224408cb852e104a4aac9e2bab6b6 Mon Sep 17 00:00:00 2001 From: Sebastian Sille Date: Fri, 17 Feb 2023 06:12:18 +0100 Subject: [PATCH 1/4] Update for Blender 3.x Changed Version Signed-off-by: Sebastian Sille --- io_scene_3ds/__init__.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/io_scene_3ds/__init__.py b/io_scene_3ds/__init__.py index 0137dd2..ec71dc6 100644 --- a/io_scene_3ds/__init__.py +++ b/io_scene_3ds/__init__.py @@ -34,8 +34,8 @@ import bpy bl_info = { "name": "Autodesk 3DS format", "author": "Bob Holcomb, Campbell Barton, Andreas Atteneder, Sebastian Schrand", - "version": (2, 1, 0), - "blender": (2, 82, 0), + "version": (2, 2, 0), + "blender": (3, 0, 0), "location": "File > Import", "description": "Import 3DS, meshes, uvs, materials, textures, " "cameras & lamps", -- 2.30.2 From 68ba72aebcc7182c60b460e0f0c559a91e973b2d Mon Sep 17 00:00:00 2001 From: Sebastian Sille Date: Fri, 17 Feb 2023 06:20:57 +0100 Subject: [PATCH 2/4] Update for Blender 3.x commented out adding texture name to material name added emission strength corrected bump percent by adding percent chunk create derived objects from evaluated depsgraph Signed-off-by: Sebastian Sille --- io_scene_3ds/export_3ds.py | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/io_scene_3ds/export_3ds.py b/io_scene_3ds/export_3ds.py index 0ee332a..c3c30ec 100644 --- a/io_scene_3ds/export_3ds.py +++ b/io_scene_3ds/export_3ds.py @@ -647,8 +647,8 @@ def make_material_chunk(material, image): name_str = material.name if material else "None" - if image: - name_str += image.name + #if image: + # name_str += image.name name.add_variable("name", _3ds_string(sane_name(name_str))) material_chunk.add_subchunk(name) @@ -672,6 +672,7 @@ def make_material_chunk(material, image): material_chunk.add_subchunk(make_percent_subchunk(MATSHIN2, wrap.specular)) material_chunk.add_subchunk(make_percent_subchunk(MATSHIN3, wrap.metallic)) material_chunk.add_subchunk(make_percent_subchunk(MATTRANS, 1 - wrap.alpha)) + material_chunk.add_subchunk(make_percent_subchunk(MATSELFILPCT, wrap.emission_strength)) material_chunk.add_subchunk(shading) if wrap.base_color_texture: @@ -706,13 +707,10 @@ def make_material_chunk(material, image): normal = [wrap.normalmap_texture] bump = wrap.normalmap_strength b_pct = min(bump, 1) - bumpval = min(999, (bump * 100)) # 3ds max bump = 999 - strength = _3ds_chunk(MAT_BUMP_PERCENT) - strength.add_variable("bump_pct", _3ds_ushort(int(bumpval))) matmap = make_material_texture_chunk(MAT_BUMPMAP, normal, b_pct) if matmap: material_chunk.add_subchunk(matmap) - material_chunk.add_subchunk(strength) + material_chunk.add_subchunk(make_percent_subchunk(MAT_BUMP_PERCENT, b_pct)) if wrap.roughness_texture: roughness = [wrap.roughness_texture] @@ -722,7 +720,7 @@ def make_material_chunk(material, image): material_chunk.add_subchunk(matmap) if wrap.emission_color_texture: - e_pct = sum(wrap.emission_color[:]) * .25 + e_pct = wrap.emission_strength emission = [wrap.emission_color_texture] matmap = make_material_texture_chunk(MAT_SELFIMAP, emission, e_pct) if matmap: @@ -909,8 +907,8 @@ def make_faces_chunk(tri_list, mesh, materialDict): context_face_array = unique_mats[ma, img][1] except: name_str = ma if ma else "None" - if img: - name_str += img + #if img: + # name_str += img context_face_array = _3ds_array() unique_mats[ma, img] = _3ds_string(sane_name(name_str)), context_face_array @@ -1171,7 +1169,7 @@ def save(operator, ): import time - from bpy_extras.io_utils import create_derived_objects, free_derived_objects + #from bpy_extras.io_utils import create_derived_objects, free_derived_objects """Save the Blender scene to a 3ds file.""" @@ -1187,7 +1185,7 @@ def save(operator, scene = context.scene layer = context.view_layer - #depsgraph = context.evaluated_depsgraph_get() + depsgraph = context.evaluated_depsgraph_get() # Initialize the main chunk (primary): primary = _3ds_chunk(PRIMARY) @@ -1235,7 +1233,9 @@ def save(operator, for ob in objects: # get derived objects - free, derived = create_derived_objects(scene, ob) + #free, derived = create_derived_objects(scene, ob) + derived_dict = bpy_extras.io_utils.create_derived_objects(depsgraph, [ob]) + derived = derived_dict.get(ob) if derived is None: continue @@ -1244,7 +1244,6 @@ def save(operator, if ob.type not in {'MESH', 'CURVE', 'SURFACE', 'FONT', 'META'}: continue - #ob_derived_eval = ob_derived.evaluated_get(depsgraph) try: data = ob_derived.to_mesh() except: @@ -1288,8 +1287,8 @@ def save(operator, # ob_derived_eval.to_mesh_clear() - if free: - free_derived_objects(ob) + #if free: + # free_derived_objects(ob) # Make material chunks for all materials used in the meshes: for ma_image in materialDict.values(): -- 2.30.2 From 44cf5e220984a63734201a5c8d675d4219efb5d2 Mon Sep 17 00:00:00 2001 From: Sebastian Sille Date: Fri, 17 Feb 2023 06:28:17 +0100 Subject: [PATCH 3/4] Update for Blender 3.x added emission strength corrected bump percent chunk import Signed-off-by: Sebastian Sille --- io_scene_3ds/import_3ds.py | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/io_scene_3ds/import_3ds.py b/io_scene_3ds/import_3ds.py index 193f53e..12d814f 100644 --- a/io_scene_3ds/import_3ds.py +++ b/io_scene_3ds/import_3ds.py @@ -65,6 +65,7 @@ MAT_SHIN2 = 0xA041 # Shininess of the object/material (percent) MAT_SHIN3 = 0xA042 # Reflection of the object/material (percent) MAT_TRANSPARENCY = 0xA050 # Transparency value of material (percent) MAT_SELF_ILLUM = 0xA080 # Self Illumination value of material +MATSELFILPCT = 0xA084 # Self illumination strength (percent) MAT_WIRE = 0xA085 # Only render's wireframe MAT_TEXTURE_MAP = 0xA200 # This is a header for a new texture map @@ -467,6 +468,7 @@ def process_next_chunk(context, file, previous_chunk, imported_objects, IMAGE_SE pct = 50 contextWrapper.emission_color = contextMaterial.line_color[:3] + contextWrapper.emission_strength = contextMaterial.line_priority / 100 contextWrapper.base_color = contextMaterial.diffuse_color[:3] contextWrapper.specular = contextMaterial.specular_intensity contextWrapper.roughness = contextMaterial.roughness @@ -669,6 +671,18 @@ def process_next_chunk(context, file, previous_chunk, imported_objects, IMAGE_SE print("Cannot read material transparency") new_chunk.bytes_read += temp_chunk.bytes_read + elif new_chunk.ID == MATSELFILPCT: + read_chunk(file, temp_chunk) + if temp_chunk.ID == PERCENTAGE_SHORT: + temp_data = file.read(SZ_U_SHORT) + temp_chunk.bytes_read += SZ_U_SHORT + contextMaterial.line_priority = int(struct.unpack('H', temp_data)[0]) + elif temp_chunk.ID == PERCENTAGE_FLOAT: + temp_data = file.read(SZ_FLOAT) + temp_chunk.bytes_read += SZ_FLOAT + contextMaterial.line_priority = (float(struct.unpack('f', temp_data)[0]) * 100) + new_chunk.bytes_read += temp_chunk.bytes_read + elif new_chunk.ID == MAT_TEXTURE_MAP: read_texture(new_chunk, temp_chunk, "Diffuse", "COLOR") @@ -686,11 +700,18 @@ def process_next_chunk(context, file, previous_chunk, imported_objects, IMAGE_SE read_texture(new_chunk, temp_chunk, "Bump", "NORMAL") elif new_chunk.ID == MAT_BUMP_PERCENT: - temp_data = file.read(SZ_U_SHORT) - new_chunk.bytes_read += SZ_U_SHORT - contextWrapper.normalmap_strength = (float(struct.unpack(' Date: Fri, 17 Feb 2023 13:56:53 +0100 Subject: [PATCH 4/4] Cleanup: remove comment no longer needed Signed-off-by: Sebastian Sille --- io_scene_3ds/export_3ds.py | 2 -- 1 file changed, 2 deletions(-) diff --git a/io_scene_3ds/export_3ds.py b/io_scene_3ds/export_3ds.py index c3c30ec..2a22d74 100644 --- a/io_scene_3ds/export_3ds.py +++ b/io_scene_3ds/export_3ds.py @@ -16,8 +16,6 @@ # # ##### END GPL LICENSE BLOCK ##### -# - # Script copyright (C) Bob Holcomb # Contributors: Campbell Barton, Bob Holcomb, Richard Lärkäng, Damien McGinnes, Mark Stijnman, Sebastian Sille -- 2.30.2