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-rw-r--r--release/scripts/startup/bl_ui/space_topbar.py1
-rw-r--r--source/blender/editors/io/CMakeLists.txt4
-rw-r--r--source/blender/editors/io/io_obj.c39
-rw-r--r--source/blender/editors/io/io_ops.c3
-rw-r--r--source/blender/editors/io/io_stl_ops.c129
-rw-r--r--source/blender/editors/io/io_stl_ops.h12
-rw-r--r--source/blender/editors/space_file/filelist.c2
-rw-r--r--source/blender/io/CMakeLists.txt1
-rw-r--r--source/blender/io/common/CMakeLists.txt3
-rw-r--r--source/blender/io/common/IO_orientation.h16
-rw-r--r--source/blender/io/common/intern/orientation.c14
-rw-r--r--source/blender/io/stl/CMakeLists.txt44
-rw-r--r--source/blender/io/stl/IO_stl.cc16
-rw-r--r--source/blender/io/stl/IO_stl.h35
-rw-r--r--source/blender/io/stl/importer/stl_import.cc114
-rw-r--r--source/blender/io/stl/importer/stl_import.hh22
-rw-r--r--source/blender/io/stl/importer/stl_import_ascii_reader.cc159
-rw-r--r--source/blender/io/stl/importer/stl_import_ascii_reader.hh32
-rw-r--r--source/blender/io/stl/importer/stl_import_binary_reader.cc58
-rw-r--r--source/blender/io/stl/importer/stl_import_binary_reader.hh31
-rw-r--r--source/blender/io/stl/importer/stl_import_mesh.cc114
-rw-r--r--source/blender/io/stl/importer/stl_import_mesh.hh71
-rw-r--r--source/blender/io/wavefront_obj/IO_wavefront_obj.h27
-rw-r--r--source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc5
-rw-r--r--source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh2
-rw-r--r--source/blender/io/wavefront_obj/exporter/obj_export_nurbs.cc5
-rw-r--r--source/blender/io/wavefront_obj/exporter/obj_export_nurbs.hh2
-rw-r--r--source/blender/io/wavefront_obj/importer/importer_mesh_utils.cc7
-rw-r--r--source/blender/io/wavefront_obj/tests/obj_exporter_tests.cc44
-rw-r--r--source/blender/io/wavefront_obj/tests/obj_exporter_tests.hh4
-rw-r--r--source/blender/io/wavefront_obj/tests/obj_importer_tests.cc4
31 files changed, 926 insertions, 94 deletions
diff --git a/release/scripts/startup/bl_ui/space_topbar.py b/release/scripts/startup/bl_ui/space_topbar.py
index ba1e9aa019e..2980ec9ace7 100644
--- a/release/scripts/startup/bl_ui/space_topbar.py
+++ b/release/scripts/startup/bl_ui/space_topbar.py
@@ -455,6 +455,7 @@ class TOPBAR_MT_file_import(Menu):
self.layout.operator("wm.gpencil_import_svg", text="SVG as Grease Pencil")
self.layout.operator("wm.obj_import", text="Wavefront (.obj) (experimental)")
+ self.layout.operator("wm.stl_import", text="STL (.stl) (experimental)")
class TOPBAR_MT_file_export(Menu):
diff --git a/source/blender/editors/io/CMakeLists.txt b/source/blender/editors/io/CMakeLists.txt
index ef093a01ff8..98438c3e959 100644
--- a/source/blender/editors/io/CMakeLists.txt
+++ b/source/blender/editors/io/CMakeLists.txt
@@ -13,6 +13,7 @@ set(INC
../../io/gpencil
../../io/usd
../../io/wavefront_obj
+ ../../io/stl
../../makesdna
../../makesrna
../../windowmanager
@@ -33,6 +34,7 @@ set(SRC
io_obj.c
io_ops.c
io_usd.c
+ io_stl_ops.c
io_alembic.h
io_cache.h
@@ -41,12 +43,14 @@ set(SRC
io_obj.h
io_ops.h
io_usd.h
+ io_stl_ops.h
)
set(LIB
bf_blenkernel
bf_blenlib
bf_wavefront_obj
+ bf_stl
)
if(WITH_OPENCOLLADA)
diff --git a/source/blender/editors/io/io_obj.c b/source/blender/editors/io/io_obj.c
index 59e8c20da04..05bccce7948 100644
--- a/source/blender/editors/io/io_obj.c
+++ b/source/blender/editors/io/io_obj.c
@@ -31,28 +31,11 @@
#include "DEG_depsgraph.h"
+#include "IO_orientation.h"
#include "IO_path_util_types.h"
#include "IO_wavefront_obj.h"
#include "io_obj.h"
-static const EnumPropertyItem io_obj_transform_axis_forward[] = {
- {OBJ_AXIS_X_FORWARD, "X_FORWARD", 0, "X", "Positive X axis"},
- {OBJ_AXIS_Y_FORWARD, "Y_FORWARD", 0, "Y", "Positive Y axis"},
- {OBJ_AXIS_Z_FORWARD, "Z_FORWARD", 0, "Z", "Positive Z axis"},
- {OBJ_AXIS_NEGATIVE_X_FORWARD, "NEGATIVE_X_FORWARD", 0, "-X", "Negative X axis"},
- {OBJ_AXIS_NEGATIVE_Y_FORWARD, "NEGATIVE_Y_FORWARD", 0, "-Y", "Negative Y axis"},
- {OBJ_AXIS_NEGATIVE_Z_FORWARD, "NEGATIVE_Z_FORWARD", 0, "-Z", "Negative Z axis"},
- {0, NULL, 0, NULL, NULL}};
-
-static const EnumPropertyItem io_obj_transform_axis_up[] = {
- {OBJ_AXIS_X_UP, "X_UP", 0, "X", "Positive X axis"},
- {OBJ_AXIS_Y_UP, "Y_UP", 0, "Y", "Positive Y axis"},
- {OBJ_AXIS_Z_UP, "Z_UP", 0, "Z", "Positive Z axis"},
- {OBJ_AXIS_NEGATIVE_X_UP, "NEGATIVE_X_UP", 0, "-X", "Negative X axis"},
- {OBJ_AXIS_NEGATIVE_Y_UP, "NEGATIVE_Y_UP", 0, "-Y", "Negative Y axis"},
- {OBJ_AXIS_NEGATIVE_Z_UP, "NEGATIVE_Z_UP", 0, "-Z", "Negative Z axis"},
- {0, NULL, 0, NULL, NULL}};
-
static const EnumPropertyItem io_obj_export_evaluation_mode[] = {
{DAG_EVAL_RENDER, "DAG_EVAL_RENDER", 0, "Render", "Export objects as they appear in render"},
{DAG_EVAL_VIEWPORT,
@@ -296,13 +279,9 @@ void WM_OT_obj_export(struct wmOperatorType *ot)
INT_MIN,
INT_MAX);
/* Object transform options. */
- RNA_def_enum(ot->srna,
- "forward_axis",
- io_obj_transform_axis_forward,
- OBJ_AXIS_NEGATIVE_Z_FORWARD,
- "Forward Axis",
- "");
- RNA_def_enum(ot->srna, "up_axis", io_obj_transform_axis_up, OBJ_AXIS_Y_UP, "Up Axis", "");
+ RNA_def_enum(
+ ot->srna, "forward_axis", io_transform_axis, IO_AXIS_NEGATIVE_Z, "Forward Axis", "");
+ RNA_def_enum(ot->srna, "up_axis", io_transform_axis, IO_AXIS_Y, "Up Axis", "");
RNA_def_float(ot->srna,
"scaling_factor",
1.0f,
@@ -480,13 +459,9 @@ void WM_OT_obj_import(struct wmOperatorType *ot)
"Resize the objects to keep bounding box under this value. Value 0 disables clamping",
0.0f,
1000.0f);
- RNA_def_enum(ot->srna,
- "forward_axis",
- io_obj_transform_axis_forward,
- OBJ_AXIS_NEGATIVE_Z_FORWARD,
- "Forward Axis",
- "");
- RNA_def_enum(ot->srna, "up_axis", io_obj_transform_axis_up, OBJ_AXIS_Y_UP, "Up Axis", "");
+ RNA_def_enum(
+ ot->srna, "forward_axis", io_transform_axis, IO_AXIS_NEGATIVE_Z, "Forward Axis", "");
+ RNA_def_enum(ot->srna, "up_axis", io_transform_axis, IO_AXIS_Y, "Up Axis", "");
RNA_def_boolean(ot->srna,
"validate_meshes",
false,
diff --git a/source/blender/editors/io/io_ops.c b/source/blender/editors/io/io_ops.c
index 094f89d1540..098186a75e3 100644
--- a/source/blender/editors/io/io_ops.c
+++ b/source/blender/editors/io/io_ops.c
@@ -24,6 +24,7 @@
#include "io_cache.h"
#include "io_gpencil.h"
#include "io_obj.h"
+#include "io_stl_ops.h"
void ED_operatortypes_io(void)
{
@@ -60,4 +61,6 @@ void ED_operatortypes_io(void)
WM_operatortype_append(WM_OT_obj_export);
WM_operatortype_append(WM_OT_obj_import);
+
+ WM_operatortype_append(WM_OT_stl_import);
}
diff --git a/source/blender/editors/io/io_stl_ops.c b/source/blender/editors/io/io_stl_ops.c
new file mode 100644
index 00000000000..d5993bc4f37
--- /dev/null
+++ b/source/blender/editors/io/io_stl_ops.c
@@ -0,0 +1,129 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup editor/io
+ */
+
+#include "BKE_context.h"
+#include "BKE_report.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "DNA_space_types.h"
+
+#include "ED_outliner.h"
+
+#include "RNA_access.h"
+#include "RNA_define.h"
+
+#include "IO_stl.h"
+#include "io_stl_ops.h"
+
+static int wm_stl_import_invoke(bContext *C, wmOperator *op, const wmEvent *event)
+{
+ return WM_operator_filesel(C, op, event);
+}
+
+static int wm_stl_import_execute(bContext *C, wmOperator *op)
+{
+ struct STLImportParams params;
+ params.forward_axis = RNA_enum_get(op->ptr, "forward_axis");
+ params.up_axis = RNA_enum_get(op->ptr, "up_axis");
+ params.use_facet_normal = RNA_boolean_get(op->ptr, "use_facet_normal");
+ params.use_scene_unit = RNA_boolean_get(op->ptr, "use_scene_unit");
+ params.global_scale = RNA_float_get(op->ptr, "global_scale");
+ params.use_mesh_validate = RNA_boolean_get(op->ptr, "use_mesh_validate");
+
+ int files_len = RNA_collection_length(op->ptr, "files");
+
+ if (files_len) {
+ PointerRNA fileptr;
+ PropertyRNA *prop;
+ char dir_only[FILE_MAX], file_only[FILE_MAX];
+
+ RNA_string_get(op->ptr, "directory", dir_only);
+ prop = RNA_struct_find_property(op->ptr, "files");
+ for (int i = 0; i < files_len; i++) {
+ RNA_property_collection_lookup_int(op->ptr, prop, i, &fileptr);
+ RNA_string_get(&fileptr, "name", file_only);
+ BLI_join_dirfile(params.filepath, sizeof(params.filepath), dir_only, file_only);
+ STL_import(C, &params);
+ }
+ }
+ else if (RNA_struct_property_is_set(op->ptr, "filepath")) {
+ RNA_string_get(op->ptr, "filepath", params.filepath);
+ STL_import(C, &params);
+ }
+ else {
+ BKE_report(op->reports, RPT_ERROR, "No filename given");
+ return OPERATOR_CANCELLED;
+ }
+
+ Scene *scene = CTX_data_scene(C);
+ WM_event_add_notifier(C, NC_SCENE | ND_OB_SELECT, scene);
+ WM_event_add_notifier(C, NC_SCENE | ND_OB_ACTIVE, scene);
+ WM_event_add_notifier(C, NC_SCENE | ND_LAYER_CONTENT, scene);
+ ED_outliner_select_sync_from_object_tag(C);
+
+ return OPERATOR_FINISHED;
+}
+
+static bool wm_stl_import_check(bContext *UNUSED(C), wmOperator *op)
+{
+ const int num_axes = 3;
+ /* Both forward and up axes cannot be the same (or same except opposite sign). */
+ if (RNA_enum_get(op->ptr, "forward_axis") % num_axes ==
+ (RNA_enum_get(op->ptr, "up_axis") % num_axes)) {
+ RNA_enum_set(op->ptr, "up_axis", RNA_enum_get(op->ptr, "up_axis") % num_axes + 1);
+ return true;
+ }
+ return false;
+}
+
+void WM_OT_stl_import(struct wmOperatorType *ot)
+{
+ PropertyRNA *prop;
+
+ ot->name = "Import STL";
+ ot->description = "Import an STL file as an object";
+ ot->idname = "WM_OT_stl_import";
+
+ ot->invoke = wm_stl_import_invoke;
+ ot->exec = wm_stl_import_execute;
+ ot->poll = WM_operator_winactive;
+ ot->check = wm_stl_import_check;
+ ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+ WM_operator_properties_filesel(ot,
+ FILE_TYPE_FOLDER,
+ FILE_BLENDER,
+ FILE_OPENFILE,
+ WM_FILESEL_FILEPATH | WM_FILESEL_FILES | WM_FILESEL_DIRECTORY |
+ WM_FILESEL_SHOW_PROPS,
+ FILE_DEFAULTDISPLAY,
+ FILE_SORT_ALPHA);
+
+ RNA_def_float(ot->srna, "global_scale", 1.0f, 1e-6f, 1e6f, "Scale", "", 0.001f, 1000.0f);
+ RNA_def_boolean(ot->srna,
+ "use_scene_unit",
+ false,
+ "Scene Unit",
+ "Apply current scene's unit (as defined by unit scale) to imported data");
+ RNA_def_boolean(ot->srna,
+ "use_facet_normal",
+ false,
+ "Facet Normals",
+ "Use (import) facet normals (note that this will still give flat shading)");
+ RNA_def_enum(ot->srna, "forward_axis", io_transform_axis, IO_AXIS_Y, "Forward Axis", "");
+ RNA_def_enum(ot->srna, "up_axis", io_transform_axis, IO_AXIS_Z, "Up Axis", "");
+ RNA_def_boolean(ot->srna,
+ "use_mesh_validate",
+ false,
+ "Validate Mesh",
+ "Validate and correct imported mesh (slow)");
+
+ /* Only show .stl files by default. */
+ prop = RNA_def_string(ot->srna, "filter_glob", "*.stl", 0, "Extension Filter", "");
+ RNA_def_property_flag(prop, PROP_HIDDEN);
+}
diff --git a/source/blender/editors/io/io_stl_ops.h b/source/blender/editors/io/io_stl_ops.h
new file mode 100644
index 00000000000..8f548f75985
--- /dev/null
+++ b/source/blender/editors/io/io_stl_ops.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup editor/io
+ */
+
+#pragma once
+
+struct wmOperatorType;
+
+void WM_OT_stl_export(struct wmOperatorType *ot);
+void WM_OT_stl_import(struct wmOperatorType *ot);
diff --git a/source/blender/editors/space_file/filelist.c b/source/blender/editors/space_file/filelist.c
index 7417f1bdb12..183af0c14f5 100644
--- a/source/blender/editors/space_file/filelist.c
+++ b/source/blender/editors/space_file/filelist.c
@@ -2803,7 +2803,7 @@ int ED_path_extension_type(const char *path)
return FILE_TYPE_ARCHIVE;
}
if (BLI_path_extension_check_n(
- path, ".obj", ".mtl", ".3ds", ".fbx", ".glb", ".gltf", ".svg", NULL)) {
+ path, ".obj", ".mtl", ".3ds", ".fbx", ".glb", ".gltf", ".svg", ".stl", NULL)) {
return FILE_TYPE_OBJECT_IO;
}
if (BLI_path_extension_check_array(path, imb_ext_image)) {
diff --git a/source/blender/io/CMakeLists.txt b/source/blender/io/CMakeLists.txt
index b5f2694c2da..a376ee99d77 100644
--- a/source/blender/io/CMakeLists.txt
+++ b/source/blender/io/CMakeLists.txt
@@ -3,6 +3,7 @@
add_subdirectory(common)
add_subdirectory(wavefront_obj)
+add_subdirectory(stl)
if(WITH_ALEMBIC)
add_subdirectory(alembic)
diff --git a/source/blender/io/common/CMakeLists.txt b/source/blender/io/common/CMakeLists.txt
index e80bd850825..a6818c0bf5d 100644
--- a/source/blender/io/common/CMakeLists.txt
+++ b/source/blender/io/common/CMakeLists.txt
@@ -8,6 +8,7 @@ set(INC
../../depsgraph
../../makesdna
../../../../intern/guardedalloc
+ ../../makesrna
)
set(INC_SYS
@@ -19,12 +20,14 @@ set(SRC
intern/dupli_persistent_id.cc
intern/object_identifier.cc
intern/path_util.cc
+ intern/orientation.c
IO_abstract_hierarchy_iterator.h
IO_dupli_persistent_id.hh
IO_path_util.hh
IO_path_util_types.h
IO_types.h
+ IO_orientation.h
intern/dupli_parent_finder.hh
)
diff --git a/source/blender/io/common/IO_orientation.h b/source/blender/io/common/IO_orientation.h
new file mode 100644
index 00000000000..09fcbc7045c
--- /dev/null
+++ b/source/blender/io/common/IO_orientation.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+#include "RNA_types.h"
+
+typedef enum {
+ IO_AXIS_X = 0,
+ IO_AXIS_Y = 1,
+ IO_AXIS_Z = 2,
+ IO_AXIS_NEGATIVE_X = 3,
+ IO_AXIS_NEGATIVE_Y = 4,
+ IO_AXIS_NEGATIVE_Z = 5,
+} eIOAxis;
+
+extern const EnumPropertyItem io_transform_axis[];
diff --git a/source/blender/io/common/intern/orientation.c b/source/blender/io/common/intern/orientation.c
new file mode 100644
index 00000000000..0ffbaa8fe8e
--- /dev/null
+++ b/source/blender/io/common/intern/orientation.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "RNA_types.h"
+
+#include "IO_orientation.h"
+
+const EnumPropertyItem io_transform_axis[] = {
+ {IO_AXIS_X, "X", 0, "X", "Positive X axis"},
+ {IO_AXIS_Y, "Y", 0, "Y", "Positive Y axis"},
+ {IO_AXIS_Z, "Z", 0, "Z", "Positive Z axis"},
+ {IO_AXIS_NEGATIVE_X, "NEGATIVE_X", 0, "-X", "Negative X axis"},
+ {IO_AXIS_NEGATIVE_Y, "NEGATIVE_Y", 0, "-Y", "Negative Y axis"},
+ {IO_AXIS_NEGATIVE_Z, "NEGATIVE_Z", 0, "-Z", "Negative Z axis"},
+ {0, NULL, 0, NULL, NULL}};
diff --git a/source/blender/io/stl/CMakeLists.txt b/source/blender/io/stl/CMakeLists.txt
new file mode 100644
index 00000000000..e0c48bbbf7e
--- /dev/null
+++ b/source/blender/io/stl/CMakeLists.txt
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+set(INC
+ .
+ ./importer
+ ../common
+ ../../blenkernel
+ ../../blenlib
+ ../../bmesh
+ ../../bmesh/intern
+ ../../depsgraph
+ ../../editors/include
+ ../../makesdna
+ ../../makesrna
+ ../../nodes
+ ../../windowmanager
+ ../../../../extern/fast_float
+ ../../../../intern/guardedalloc
+)
+
+set(INC_SYS
+
+)
+
+set(SRC
+ IO_stl.cc
+ importer/stl_import_mesh.cc
+ importer/stl_import_ascii_reader.cc
+ importer/stl_import_binary_reader.cc
+ importer/stl_import.cc
+
+ IO_stl.h
+ importer/stl_import_mesh.hh
+ importer/stl_import_ascii_reader.hh
+ importer/stl_import_binary_reader.hh
+ importer/stl_import.hh
+)
+
+set(LIB
+ bf_blenkernel
+ bf_io_common
+)
+
+blender_add_lib(bf_stl "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
diff --git a/source/blender/io/stl/IO_stl.cc b/source/blender/io/stl/IO_stl.cc
new file mode 100644
index 00000000000..b26c1533692
--- /dev/null
+++ b/source/blender/io/stl/IO_stl.cc
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#include "BLI_timeit.hh"
+
+#include "IO_stl.h"
+#include "stl_import.hh"
+
+void STL_import(bContext *C, const struct STLImportParams *import_params)
+{
+ SCOPED_TIMER("STL Import");
+ blender::io::stl::importer_main(C, *import_params);
+}
diff --git a/source/blender/io/stl/IO_stl.h b/source/blender/io/stl/IO_stl.h
new file mode 100644
index 00000000000..bbe537948e8
--- /dev/null
+++ b/source/blender/io/stl/IO_stl.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#pragma once
+
+#include "BKE_context.h"
+#include "BLI_path_util.h"
+#include "IO_orientation.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct STLImportParams {
+ /** Full path to the source STL file to import. */
+ char filepath[FILE_MAX];
+ eIOAxis forward_axis;
+ eIOAxis up_axis;
+ bool use_facet_normal;
+ bool use_scene_unit;
+ float global_scale;
+ bool use_mesh_validate;
+};
+
+/**
+ * C-interface for the importer.
+ */
+void STL_import(bContext *C, const struct STLImportParams *import_params);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/source/blender/io/stl/importer/stl_import.cc b/source/blender/io/stl/importer/stl_import.cc
new file mode 100644
index 00000000000..f358598a216
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import.cc
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#include <cstdio>
+
+#include "BKE_customdata.h"
+#include "BKE_layer.h"
+#include "BKE_mesh.h"
+#include "BKE_object.h"
+
+#include "DNA_collection_types.h"
+#include "DNA_scene_types.h"
+
+#include "BLI_fileops.hh"
+#include "BLI_math_vector.h"
+#include "BLI_memory_utils.hh"
+
+#include "DNA_object_types.h"
+
+#include "DEG_depsgraph.h"
+#include "DEG_depsgraph_build.h"
+
+#include "stl_import.hh"
+#include "stl_import_ascii_reader.hh"
+#include "stl_import_binary_reader.hh"
+
+namespace blender::io::stl {
+
+void importer_main(bContext *C, const STLImportParams &import_params)
+{
+ Main *bmain = CTX_data_main(C);
+ Scene *scene = CTX_data_scene(C);
+ ViewLayer *view_layer = CTX_data_view_layer(C);
+ importer_main(bmain, scene, view_layer, import_params);
+}
+
+void importer_main(Main *bmain,
+ Scene *scene,
+ ViewLayer *view_layer,
+ const STLImportParams &import_params)
+{
+ FILE *file = BLI_fopen(import_params.filepath, "rb");
+ if (!file) {
+ fprintf(stderr, "Failed to open STL file:'%s'.\n", import_params.filepath);
+ return;
+ }
+ BLI_SCOPED_DEFER([&]() { fclose(file); });
+
+ /* Detect STL file type by comparing file size with expected file size,
+ * could check if file starts with "solid", but some files do not adhere,
+ * this is the same as the old Python importer.
+ */
+ uint32_t num_tri = 0;
+ size_t file_size = BLI_file_size(import_params.filepath);
+ fseek(file, BINARY_HEADER_SIZE, SEEK_SET);
+ fread(&num_tri, sizeof(uint32_t), 1, file);
+ bool is_ascii_stl = (file_size != (BINARY_HEADER_SIZE + 4 + BINARY_STRIDE * num_tri));
+
+ /* Name used for both mesh and object. */
+ char ob_name[FILE_MAX];
+ BLI_strncpy(ob_name, BLI_path_basename(import_params.filepath), FILE_MAX);
+ BLI_path_extension_replace(ob_name, FILE_MAX, "");
+
+ Mesh *mesh;
+ if (is_ascii_stl) {
+ mesh = read_stl_ascii(import_params.filepath, bmain, ob_name, import_params.use_facet_normal);
+ }
+ else {
+ mesh = read_stl_binary(file, bmain, ob_name, import_params.use_facet_normal);
+ }
+
+ if (import_params.use_mesh_validate) {
+ bool verbose_validate = false;
+#ifdef DEBUG
+ verbose_validate = true;
+#endif
+ BKE_mesh_validate(mesh, verbose_validate, false);
+ }
+
+ BKE_view_layer_base_deselect_all(view_layer);
+ LayerCollection *lc = BKE_layer_collection_get_active(view_layer);
+ Object *obj = BKE_object_add_only_object(bmain, OB_MESH, ob_name);
+ BKE_mesh_assign_object(bmain, obj, mesh);
+ BKE_collection_object_add(bmain, lc->collection, obj);
+ Base *base = BKE_view_layer_base_find(view_layer, obj);
+ BKE_view_layer_base_select_and_set_active(view_layer, base);
+
+ float global_scale = import_params.global_scale;
+ if ((scene->unit.system != USER_UNIT_NONE) && import_params.use_scene_unit) {
+ global_scale *= scene->unit.scale_length;
+ }
+ float scale_vec[3] = {global_scale, global_scale, global_scale};
+ float obmat3x3[3][3];
+ unit_m3(obmat3x3);
+ float obmat4x4[4][4];
+ unit_m4(obmat4x4);
+ /* +Y-forward and +Z-up are the Blender's default axis settings. */
+ mat3_from_axis_conversion(
+ IO_AXIS_Y, IO_AXIS_Z, import_params.forward_axis, import_params.up_axis, obmat3x3);
+ copy_m4_m3(obmat4x4, obmat3x3);
+ rescale_m4(obmat4x4, scale_vec);
+ BKE_object_apply_mat4(obj, obmat4x4, true, false);
+
+ DEG_id_tag_update(&lc->collection->id, ID_RECALC_COPY_ON_WRITE);
+ int flags = ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY | ID_RECALC_ANIMATION |
+ ID_RECALC_BASE_FLAGS;
+ DEG_id_tag_update_ex(bmain, &obj->id, flags);
+ DEG_id_tag_update(&scene->id, ID_RECALC_BASE_FLAGS);
+ DEG_relations_tag_update(bmain);
+}
+} // namespace blender::io::stl
diff --git a/source/blender/io/stl/importer/stl_import.hh b/source/blender/io/stl/importer/stl_import.hh
new file mode 100644
index 00000000000..377544c26af
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import.hh
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#pragma once
+
+#include "IO_stl.h"
+
+namespace blender::io::stl {
+
+/* Main import function used from within Blender. */
+void importer_main(bContext *C, const STLImportParams &import_params);
+
+/* Used from tests, where full bContext does not exist. */
+void importer_main(Main *bmain,
+ Scene *scene,
+ ViewLayer *view_layer,
+ const STLImportParams &import_params);
+
+} // namespace blender::io::stl
diff --git a/source/blender/io/stl/importer/stl_import_ascii_reader.cc b/source/blender/io/stl/importer/stl_import_ascii_reader.cc
new file mode 100644
index 00000000000..2f2495fa4ca
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import_ascii_reader.cc
@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#include <cstdint>
+#include <cstdio>
+
+#include "BKE_mesh.h"
+
+#include "BLI_fileops.hh"
+#include "BLI_memory_utils.hh"
+#include "BLI_string_ref.hh"
+
+#include "DNA_mesh_types.h"
+
+/* NOTE: we could use C++17 <charconv> from_chars to parse
+ * floats, but even if some compilers claim full support,
+ * their standard libraries are not quite there yet.
+ * LLVM/libc++ only has a float parser since LLVM 14,
+ * and gcc/libstdc++ since 11.1. So until at least these are
+ * the minimum spec, use an external library. */
+#include "fast_float.h"
+
+#include "stl_import.hh"
+#include "stl_import_mesh.hh"
+
+namespace blender::io::stl {
+
+class StringBuffer {
+ private:
+ char *start;
+ const char *end;
+
+ public:
+ StringBuffer(char *buf, size_t len)
+ {
+ start = buf;
+ end = start + len;
+ }
+
+ bool is_empty() const
+ {
+ return start == end;
+ }
+
+ void drop_leading_control_chars()
+ {
+ while ((start < end) && (*start) <= ' ') {
+ start++;
+ }
+ }
+
+ void drop_leading_non_control_chars()
+ {
+ while ((start < end) && (*start) > ' ') {
+ start++;
+ }
+ }
+
+ void drop_line()
+ {
+ while (start < end && *start != '\n') {
+ start++;
+ }
+ }
+
+ bool parse_token(const char *token, size_t token_length)
+ {
+ drop_leading_control_chars();
+ if (end - start < token_length + 1) {
+ return false;
+ }
+ if (memcmp(start, token, token_length) != 0) {
+ return false;
+ }
+ if (start[token_length] > ' ') {
+ return false;
+ }
+ start += token_length + 1;
+ return true;
+ }
+
+ void drop_token()
+ {
+ drop_leading_non_control_chars();
+ drop_leading_control_chars();
+ }
+
+ void parse_float(float &out)
+ {
+ drop_leading_control_chars();
+ /* Skip '+' */
+ if (start < end && *start == '+') {
+ start++;
+ }
+ fast_float::from_chars_result res = fast_float::from_chars(start, end, out);
+ if (res.ec == std::errc::invalid_argument || res.ec == std::errc::result_out_of_range) {
+ out = 0.0f;
+ }
+ start = const_cast<char *>(res.ptr);
+ }
+};
+
+static inline void parse_float3(StringBuffer &buf, float out[3])
+{
+ for (int i = 0; i < 3; i++) {
+ buf.parse_float(out[i]);
+ }
+}
+
+Mesh *read_stl_ascii(const char *filepath, Main *bmain, char *mesh_name, bool use_custom_normals)
+{
+ size_t buffer_len;
+ void *buffer = BLI_file_read_text_as_mem(filepath, 0, &buffer_len);
+ if (buffer == nullptr) {
+ fprintf(stderr, "STL Importer: cannot read from ASCII STL file: '%s'\n", filepath);
+ return BKE_mesh_add(bmain, mesh_name);
+ }
+ BLI_SCOPED_DEFER([&]() { MEM_freeN(buffer); });
+
+ int num_reserved_tris = 1024;
+
+ StringBuffer str_buf(static_cast<char *>(buffer), buffer_len);
+ STLMeshHelper stl_mesh(num_reserved_tris, use_custom_normals);
+ float triangle_buf[3][3];
+ float custom_normal_buf[3];
+ str_buf.drop_line(); /* Skip header line */
+ while (!str_buf.is_empty()) {
+ if (str_buf.parse_token("vertex", 6)) {
+ parse_float3(str_buf, triangle_buf[0]);
+ if (str_buf.parse_token("vertex", 6)) {
+ parse_float3(str_buf, triangle_buf[1]);
+ }
+ if (str_buf.parse_token("vertex", 6)) {
+ parse_float3(str_buf, triangle_buf[2]);
+ }
+ if (use_custom_normals) {
+ stl_mesh.add_triangle(
+ triangle_buf[0], triangle_buf[1], triangle_buf[2], custom_normal_buf);
+ }
+ else {
+ stl_mesh.add_triangle(triangle_buf[0], triangle_buf[1], triangle_buf[2]);
+ }
+ }
+ else if (str_buf.parse_token("facet", 5)) {
+ str_buf.drop_token(); /* Expecting "normal" */
+ parse_float3(str_buf, custom_normal_buf);
+ }
+ else {
+ str_buf.drop_token();
+ }
+ }
+
+ return stl_mesh.to_mesh(bmain, mesh_name);
+}
+
+} // namespace blender::io::stl
diff --git a/source/blender/io/stl/importer/stl_import_ascii_reader.hh b/source/blender/io/stl/importer/stl_import_ascii_reader.hh
new file mode 100644
index 00000000000..b0216d98496
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import_ascii_reader.hh
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#pragma once
+
+#include <cstdio>
+
+#include "BKE_mesh.h"
+
+#include "stl_import.hh"
+
+/* ASCII STL spec.:
+ * solid name
+ * facet normal ni nj nk
+ * outer loop
+ * vertex v1x v1y v1z
+ * vertex v2x v2y v2z
+ * vertex v3x v3y v3z
+ * endloop
+ * endfacet
+ * ...
+ * endsolid name
+ */
+
+namespace blender::io::stl {
+
+Mesh *read_stl_ascii(const char *filepath, Main *bmain, char *mesh_name, bool use_custom_normals);
+
+} // namespace blender::io::stl
diff --git a/source/blender/io/stl/importer/stl_import_binary_reader.cc b/source/blender/io/stl/importer/stl_import_binary_reader.cc
new file mode 100644
index 00000000000..c05b6ad1426
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import_binary_reader.cc
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#include <cstdint>
+#include <cstdio>
+
+#include "BKE_main.h"
+#include "BKE_mesh.h"
+
+#include "BLI_array.hh"
+#include "BLI_memory_utils.hh"
+
+#include "DNA_mesh_types.h"
+
+#include "stl_import_binary_reader.hh"
+#include "stl_import_mesh.hh"
+
+namespace blender::io::stl {
+
+#pragma pack(push, 1)
+struct STLBinaryTriangle {
+ float normal[3];
+ float v1[3], v2[3], v3[3];
+ uint16_t attribute_byte_count;
+};
+#pragma pack(pop)
+
+Mesh *read_stl_binary(FILE *file, Main *bmain, char *mesh_name, bool use_custom_normals)
+{
+ const int chunk_size = 1024;
+ uint32_t num_tris = 0;
+ fseek(file, BINARY_HEADER_SIZE, SEEK_SET);
+ fread(&num_tris, sizeof(uint32_t), 1, file);
+ if (num_tris == 0) {
+ return BKE_mesh_add(bmain, mesh_name);
+ }
+
+ Array<STLBinaryTriangle> tris_buf(chunk_size);
+ STLMeshHelper stl_mesh(num_tris, use_custom_normals);
+ size_t num_read_tris;
+ while (num_read_tris = fread(tris_buf.data(), sizeof(STLBinaryTriangle), chunk_size, file)) {
+ for (size_t i = 0; i < num_read_tris; i++) {
+ if (use_custom_normals) {
+ stl_mesh.add_triangle(tris_buf[i].v1, tris_buf[i].v2, tris_buf[i].v3, tris_buf[i].normal);
+ }
+ else {
+ stl_mesh.add_triangle(tris_buf[i].v1, tris_buf[i].v2, tris_buf[i].v3);
+ }
+ }
+ }
+
+ return stl_mesh.to_mesh(bmain, mesh_name);
+}
+
+} // namespace blender::io::stl
diff --git a/source/blender/io/stl/importer/stl_import_binary_reader.hh b/source/blender/io/stl/importer/stl_import_binary_reader.hh
new file mode 100644
index 00000000000..71d5dbbbe58
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import_binary_reader.hh
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#pragma once
+
+#include <cstdio>
+
+#include "BKE_mesh.h"
+
+/* Binary STL spec.:
+ * UINT8[80] – Header - 80 bytes
+ * UINT32 – Number of triangles - 4 bytes
+ * For each triangle - 50 bytes:
+ * REAL32[3] – Normal vector - 12 bytes
+ * REAL32[3] – Vertex 1 - 12 bytes
+ * REAL32[3] – Vertex 2 - 12 bytes
+ * REAL32[3] – Vertex 3 - 12 bytes
+ * UINT16 – Attribute byte count - 2 bytes
+ */
+
+namespace blender::io::stl {
+
+const size_t BINARY_HEADER_SIZE = 80;
+const size_t BINARY_STRIDE = 12 * 4 + 2;
+
+Mesh *read_stl_binary(FILE *file, Main *bmain, char *mesh_name, bool use_custom_normals);
+
+} // namespace blender::io::stl
diff --git a/source/blender/io/stl/importer/stl_import_mesh.cc b/source/blender/io/stl/importer/stl_import_mesh.cc
new file mode 100644
index 00000000000..5f5c2624414
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import_mesh.cc
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#include "BKE_customdata.h"
+#include "BKE_lib_id.h"
+#include "BKE_main.h"
+#include "BKE_mesh.h"
+
+#include "BLI_array.hh"
+#include "BLI_math_vector.h"
+#include "BLI_math_vector.hh"
+#include "BLI_task.hh"
+
+#include "DNA_mesh_types.h"
+#include "DNA_meshdata_types.h"
+
+#include "stl_import_mesh.hh"
+
+namespace blender::io::stl {
+
+STLMeshHelper::STLMeshHelper(int num_tris, bool use_custom_normals)
+ : m_use_custom_normals(use_custom_normals)
+{
+ m_num_degenerate_tris = 0;
+ m_num_duplicate_tris = 0;
+ m_tris.reserve(num_tris);
+ /* Upper bound (all vertices are unique). */
+ m_verts.reserve(num_tris * 3);
+ if (use_custom_normals) {
+ m_loop_normals.reserve(num_tris * 3);
+ }
+}
+
+bool STLMeshHelper::add_triangle(const float3 &a, const float3 &b, const float3 &c)
+{
+ int v1_id = m_verts.index_of_or_add(a);
+ int v2_id = m_verts.index_of_or_add(b);
+ int v3_id = m_verts.index_of_or_add(c);
+ if ((v1_id == v2_id) || (v1_id == v3_id) || (v2_id == v3_id)) {
+ m_num_degenerate_tris++;
+ return false;
+ }
+ if (!m_tris.add({v1_id, v2_id, v3_id})) {
+ m_num_duplicate_tris++;
+ return false;
+ }
+ return true;
+}
+
+void STLMeshHelper::add_triangle(const float3 &a,
+ const float3 &b,
+ const float3 &c,
+ const float3 &custom_normal)
+{
+ if (add_triangle(a, b, c)) {
+ m_loop_normals.append_n_times(custom_normal, 3);
+ }
+}
+
+Mesh *STLMeshHelper::to_mesh(Main *bmain, char *mesh_name)
+{
+ if (m_num_degenerate_tris > 0) {
+ std::cout << "STL Importer: " << m_num_degenerate_tris << "degenerate triangles were removed"
+ << std::endl;
+ }
+ if (m_num_duplicate_tris > 0) {
+ std::cout << "STL Importer: " << m_num_duplicate_tris << "duplicate triangles were removed"
+ << std::endl;
+ }
+
+ Mesh *mesh = BKE_mesh_add(bmain, mesh_name);
+ /* User count is already 1 here, but will be set later in #BKE_mesh_assign_object. */
+ id_us_min(&mesh->id);
+
+ mesh->totvert = m_verts.size();
+ mesh->mvert = static_cast<MVert *>(
+ CustomData_add_layer(&mesh->vdata, CD_MVERT, CD_CALLOC, nullptr, mesh->totvert));
+ for (int i = 0; i < mesh->totvert; i++) {
+ copy_v3_v3(mesh->mvert[i].co, m_verts[i]);
+ }
+
+ mesh->totpoly = m_tris.size();
+ mesh->totloop = m_tris.size() * 3;
+ mesh->mpoly = static_cast<MPoly *>(
+ CustomData_add_layer(&mesh->pdata, CD_MPOLY, CD_CALLOC, nullptr, mesh->totpoly));
+ mesh->mloop = static_cast<MLoop *>(
+ CustomData_add_layer(&mesh->ldata, CD_MLOOP, CD_CALLOC, nullptr, mesh->totloop));
+
+ threading::parallel_for(m_tris.index_range(), 2048, [&](IndexRange tris_range) {
+ for (const int i : tris_range) {
+ mesh->mpoly[i].loopstart = 3 * i;
+ mesh->mpoly[i].totloop = 3;
+
+ mesh->mloop[3 * i].v = m_tris[i].v1;
+ mesh->mloop[3 * i + 1].v = m_tris[i].v2;
+ mesh->mloop[3 * i + 2].v = m_tris[i].v3;
+ }
+ });
+
+ /* NOTE: edges must be calculated first before setting custom normals. */
+ BKE_mesh_calc_edges(mesh, false, false);
+
+ if (m_use_custom_normals && m_loop_normals.size() == mesh->totloop) {
+ BKE_mesh_set_custom_normals(mesh, reinterpret_cast<float(*)[3]>(m_loop_normals.data()));
+ mesh->flag |= ME_AUTOSMOOTH;
+ }
+
+ return mesh;
+}
+
+} // namespace blender::io::stl
diff --git a/source/blender/io/stl/importer/stl_import_mesh.hh b/source/blender/io/stl/importer/stl_import_mesh.hh
new file mode 100644
index 00000000000..7827d2a408c
--- /dev/null
+++ b/source/blender/io/stl/importer/stl_import_mesh.hh
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup stl
+ */
+
+#pragma once
+
+#include <cstdint>
+
+#include "BLI_math_vec_types.hh"
+#include "BLI_set.hh"
+#include "BLI_vector.hh"
+#include "BLI_vector_set.hh"
+
+#include "DNA_mesh_types.h"
+
+namespace blender::io::stl {
+class Triangle {
+ public:
+ int v1, v2, v3;
+ /* Based on an old version of Python's frozenset hash
+ * https://web.archive.org/web/20220520211017/https://stackoverflow.com/questions/20832279/python-frozenset-hashing-algorithm-implementation
+ */
+ uint64_t hash() const
+ {
+ uint64_t res = 1927868237UL;
+ res *= 4;
+ res ^= (v1 ^ (v1 << 16) ^ 89869747UL) * 3644798167UL;
+ res ^= (v2 ^ (v2 << 16) ^ 89869747UL) * 3644798167UL;
+ res ^= (v3 ^ (v3 << 16) ^ 89869747UL) * 3644798167UL;
+ return res * 69069U + 907133923UL;
+ }
+ friend bool operator==(const Triangle &a, const Triangle &b)
+ {
+ bool i = (a.v1 == b.v1) && (a.v2 == b.v2) && (a.v3 == b.v3);
+ bool j = (a.v1 == b.v1) && (a.v3 == b.v2) && (a.v2 == b.v3);
+ bool k = (a.v2 == b.v1) && (a.v1 == b.v2) && (a.v3 == b.v3);
+
+ bool l = (a.v2 == b.v1) && (a.v3 == b.v2) && (a.v1 == b.v3);
+ bool m = (a.v3 == b.v1) && (a.v1 == b.v2) && (a.v2 == b.v3);
+ bool n = (a.v3 == b.v1) && (a.v2 == b.v2) && (a.v1 == b.v3);
+
+ return i || j || k || l || m || n;
+ }
+};
+
+class STLMeshHelper {
+ private:
+ VectorSet<float3> m_verts;
+ VectorSet<Triangle> m_tris;
+ Vector<float3> m_loop_normals;
+ int m_num_degenerate_tris;
+ int m_num_duplicate_tris;
+ const bool m_use_custom_normals;
+
+ public:
+ STLMeshHelper(int num_tris, bool use_custom_normals);
+
+ /* Creates a new triangle from specified vertex locations,
+ * duplicate vertices and triangles are merged.
+ */
+ bool add_triangle(const float3 &a, const float3 &b, const float3 &c);
+ void add_triangle(const float3 &a,
+ const float3 &b,
+ const float3 &c,
+ const float3 &custom_normal);
+ Mesh *to_mesh(Main *bmain, char *mesh_name);
+};
+
+} // namespace blender::io::stl
diff --git a/source/blender/io/wavefront_obj/IO_wavefront_obj.h b/source/blender/io/wavefront_obj/IO_wavefront_obj.h
index bebad06d37f..0a78cdc714d 100644
--- a/source/blender/io/wavefront_obj/IO_wavefront_obj.h
+++ b/source/blender/io/wavefront_obj/IO_wavefront_obj.h
@@ -9,30 +9,13 @@
#include "BKE_context.h"
#include "BLI_path_util.h"
#include "DEG_depsgraph.h"
+#include "IO_orientation.h"
#include "IO_path_util_types.h"
#ifdef __cplusplus
extern "C" {
#endif
-typedef enum {
- OBJ_AXIS_X_UP = 0,
- OBJ_AXIS_Y_UP = 1,
- OBJ_AXIS_Z_UP = 2,
- OBJ_AXIS_NEGATIVE_X_UP = 3,
- OBJ_AXIS_NEGATIVE_Y_UP = 4,
- OBJ_AXIS_NEGATIVE_Z_UP = 5,
-} eTransformAxisUp;
-
-typedef enum {
- OBJ_AXIS_X_FORWARD = 0,
- OBJ_AXIS_Y_FORWARD = 1,
- OBJ_AXIS_Z_FORWARD = 2,
- OBJ_AXIS_NEGATIVE_X_FORWARD = 3,
- OBJ_AXIS_NEGATIVE_Y_FORWARD = 4,
- OBJ_AXIS_NEGATIVE_Z_FORWARD = 5,
-} eTransformAxisForward;
-
static const int TOTAL_AXES = 3;
struct OBJExportParams {
@@ -52,8 +35,8 @@ struct OBJExportParams {
int end_frame;
/* Geometry Transform options. */
- eTransformAxisForward forward_axis;
- eTransformAxisUp up_axis;
+ eIOAxis forward_axis;
+ eIOAxis up_axis;
float scaling_factor;
/* File Write Options. */
@@ -86,8 +69,8 @@ struct OBJImportParams {
char filepath[FILE_MAX];
/** Value 0 disables clamping. */
float clamp_size;
- eTransformAxisForward forward_axis;
- eTransformAxisUp up_axis;
+ eIOAxis forward_axis;
+ eIOAxis up_axis;
bool validate_meshes;
};
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc
index 092ba24db64..8556d7c275c 100644
--- a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc
+++ b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.cc
@@ -117,13 +117,12 @@ std::pair<Mesh *, bool> OBJMesh::triangulate_mesh_eval()
return {triangulated, true};
}
-void OBJMesh::set_world_axes_transform(const eTransformAxisForward forward,
- const eTransformAxisUp up)
+void OBJMesh::set_world_axes_transform(const eIOAxis forward, const eIOAxis up)
{
float axes_transform[3][3];
unit_m3(axes_transform);
/* +Y-forward and +Z-up are the default Blender axis settings. */
- mat3_from_axis_conversion(OBJ_AXIS_Y_FORWARD, OBJ_AXIS_Z_UP, forward, up, axes_transform);
+ mat3_from_axis_conversion(IO_AXIS_Y, IO_AXIS_Z, forward, up, axes_transform);
/* mat3_from_axis_conversion returns a transposed matrix! */
transpose_m3(axes_transform);
mul_m4_m3m4(world_and_axes_transform_, axes_transform, export_object_eval_.obmat);
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh
index f47ca423dbc..91213ec8152 100644
--- a/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh
+++ b/source/blender/io/wavefront_obj/exporter/obj_export_mesh.hh
@@ -256,6 +256,6 @@ class OBJMesh : NonCopyable {
/**
* Set the final transform after applying axes settings and an Object's world transform.
*/
- void set_world_axes_transform(eTransformAxisForward forward, eTransformAxisUp up);
+ void set_world_axes_transform(eIOAxis forward, eIOAxis up);
};
} // namespace blender::io::obj
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.cc b/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.cc
index c247048ce13..c0c29fcfdf8 100644
--- a/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.cc
+++ b/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.cc
@@ -25,13 +25,12 @@ OBJCurve::OBJCurve(const Depsgraph *depsgraph,
set_world_axes_transform(export_params.forward_axis, export_params.up_axis);
}
-void OBJCurve::set_world_axes_transform(const eTransformAxisForward forward,
- const eTransformAxisUp up)
+void OBJCurve::set_world_axes_transform(const eIOAxis forward, const eIOAxis up)
{
float axes_transform[3][3];
unit_m3(axes_transform);
/* +Y-forward and +Z-up are the Blender's default axis settings. */
- mat3_from_axis_conversion(OBJ_AXIS_Y_FORWARD, OBJ_AXIS_Z_UP, forward, up, axes_transform);
+ mat3_from_axis_conversion(IO_AXIS_Y, IO_AXIS_Z, forward, up, axes_transform);
/* mat3_from_axis_conversion returns a transposed matrix! */
transpose_m3(axes_transform);
mul_m4_m3m4(world_axes_transform_, axes_transform, export_object_eval_->obmat);
diff --git a/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.hh b/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.hh
index fe826725daf..65389d44f59 100644
--- a/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.hh
+++ b/source/blender/io/wavefront_obj/exporter/obj_export_nurbs.hh
@@ -56,7 +56,7 @@ class OBJCurve : NonCopyable {
/**
* Set the final transform after applying axes settings and an Object's world transform.
*/
- void set_world_axes_transform(eTransformAxisForward forward, eTransformAxisUp up);
+ void set_world_axes_transform(eIOAxis forward, eIOAxis up);
};
} // namespace blender::io::obj
diff --git a/source/blender/io/wavefront_obj/importer/importer_mesh_utils.cc b/source/blender/io/wavefront_obj/importer/importer_mesh_utils.cc
index 7019e67419e..3c0ef646e13 100644
--- a/source/blender/io/wavefront_obj/importer/importer_mesh_utils.cc
+++ b/source/blender/io/wavefront_obj/importer/importer_mesh_utils.cc
@@ -99,11 +99,8 @@ void transform_object(Object *object, const OBJImportParams &import_params)
float obmat[4][4];
unit_m4(obmat);
/* +Y-forward and +Z-up are the default Blender axis settings. */
- mat3_from_axis_conversion(import_params.forward_axis,
- import_params.up_axis,
- OBJ_AXIS_Y_FORWARD,
- OBJ_AXIS_Z_UP,
- axes_transform);
+ mat3_from_axis_conversion(
+ import_params.forward_axis, import_params.up_axis, IO_AXIS_Y, IO_AXIS_Z, axes_transform);
/* mat3_from_axis_conversion returns a transposed matrix! */
transpose_m3(axes_transform);
copy_m4_m3(obmat, axes_transform);
diff --git a/source/blender/io/wavefront_obj/tests/obj_exporter_tests.cc b/source/blender/io/wavefront_obj/tests/obj_exporter_tests.cc
index 8c49af90a82..b384d934c82 100644
--- a/source/blender/io/wavefront_obj/tests/obj_exporter_tests.cc
+++ b/source/blender/io/wavefront_obj/tests/obj_exporter_tests.cc
@@ -315,8 +315,8 @@ TEST_F(obj_exporter_regression_test, all_quads)
TEST_F(obj_exporter_regression_test, fgons)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
compare_obj_export_to_golden(
"io_tests/blend_geometry/fgons.blend", "io_tests/obj/fgons.obj", "", _export.params);
@@ -325,8 +325,8 @@ TEST_F(obj_exporter_regression_test, fgons)
TEST_F(obj_exporter_regression_test, edges)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
compare_obj_export_to_golden(
"io_tests/blend_geometry/edges.blend", "io_tests/obj/edges.obj", "", _export.params);
@@ -335,8 +335,8 @@ TEST_F(obj_exporter_regression_test, edges)
TEST_F(obj_exporter_regression_test, vertices)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
compare_obj_export_to_golden(
"io_tests/blend_geometry/vertices.blend", "io_tests/obj/vertices.obj", "", _export.params);
@@ -355,8 +355,8 @@ TEST_F(obj_exporter_regression_test, non_uniform_scale)
TEST_F(obj_exporter_regression_test, nurbs_as_nurbs)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
_export.params.export_curves_as_nurbs = true;
compare_obj_export_to_golden(
@@ -366,8 +366,8 @@ TEST_F(obj_exporter_regression_test, nurbs_as_nurbs)
TEST_F(obj_exporter_regression_test, nurbs_curves_as_nurbs)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
_export.params.export_curves_as_nurbs = true;
compare_obj_export_to_golden("io_tests/blend_geometry/nurbs_curves.blend",
@@ -379,8 +379,8 @@ TEST_F(obj_exporter_regression_test, nurbs_curves_as_nurbs)
TEST_F(obj_exporter_regression_test, nurbs_as_mesh)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
_export.params.export_curves_as_nurbs = false;
compare_obj_export_to_golden(
@@ -390,8 +390,8 @@ TEST_F(obj_exporter_regression_test, nurbs_as_mesh)
TEST_F(obj_exporter_regression_test, cube_all_data_triangulated)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
_export.params.export_triangulated_mesh = true;
compare_obj_export_to_golden("io_tests/blend_geometry/cube_all_data.blend",
@@ -403,8 +403,8 @@ TEST_F(obj_exporter_regression_test, cube_all_data_triangulated)
TEST_F(obj_exporter_regression_test, cube_normal_edit)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
compare_obj_export_to_golden("io_tests/blend_geometry/cube_normal_edit.blend",
"io_tests/obj/cube_normal_edit.obj",
@@ -459,8 +459,8 @@ TEST_F(obj_exporter_regression_test, cubes_with_textures_relative)
TEST_F(obj_exporter_regression_test, suzanne_all_data)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_materials = false;
_export.params.export_smooth_groups = true;
compare_obj_export_to_golden("io_tests/blend_geometry/suzanne_all_data.blend",
@@ -491,8 +491,8 @@ TEST_F(obj_exporter_regression_test, all_curves_as_nurbs)
TEST_F(obj_exporter_regression_test, all_objects)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_smooth_groups = true;
compare_obj_export_to_golden("io_tests/blend_scene/all_objects.blend",
"io_tests/obj/all_objects.obj",
@@ -503,8 +503,8 @@ TEST_F(obj_exporter_regression_test, all_objects)
TEST_F(obj_exporter_regression_test, all_objects_mat_groups)
{
OBJExportParamsDefault _export;
- _export.params.forward_axis = OBJ_AXIS_Y_FORWARD;
- _export.params.up_axis = OBJ_AXIS_Z_UP;
+ _export.params.forward_axis = IO_AXIS_Y;
+ _export.params.up_axis = IO_AXIS_Z;
_export.params.export_smooth_groups = true;
_export.params.export_material_groups = true;
compare_obj_export_to_golden("io_tests/blend_scene/all_objects.blend",
diff --git a/source/blender/io/wavefront_obj/tests/obj_exporter_tests.hh b/source/blender/io/wavefront_obj/tests/obj_exporter_tests.hh
index ef27a65fb4b..42f7620999d 100644
--- a/source/blender/io/wavefront_obj/tests/obj_exporter_tests.hh
+++ b/source/blender/io/wavefront_obj/tests/obj_exporter_tests.hh
@@ -17,8 +17,8 @@ struct OBJExportParamsDefault {
params.start_frame = 0;
params.end_frame = 1;
- params.forward_axis = OBJ_AXIS_NEGATIVE_Z_FORWARD;
- params.up_axis = OBJ_AXIS_Y_UP;
+ params.forward_axis = IO_AXIS_NEGATIVE_Z;
+ params.up_axis = IO_AXIS_Y;
params.scaling_factor = 1.f;
params.apply_modifiers = true;
diff --git a/source/blender/io/wavefront_obj/tests/obj_importer_tests.cc b/source/blender/io/wavefront_obj/tests/obj_importer_tests.cc
index d7f4ce3d773..48990975416 100644
--- a/source/blender/io/wavefront_obj/tests/obj_importer_tests.cc
+++ b/source/blender/io/wavefront_obj/tests/obj_importer_tests.cc
@@ -55,8 +55,8 @@ class obj_importer_test : public BlendfileLoadingBaseTest {
OBJImportParams params;
params.clamp_size = 0;
- params.forward_axis = OBJ_AXIS_NEGATIVE_Z_FORWARD;
- params.up_axis = OBJ_AXIS_Y_UP;
+ params.forward_axis = IO_AXIS_NEGATIVE_Z;
+ params.up_axis = IO_AXIS_Y;
std::string obj_path = blender::tests::flags_test_asset_dir() + "/io_tests/obj/" + path;
strncpy(params.filepath, obj_path.c_str(), FILE_MAX - 1);