Cleanup: Remove compile option for curves object

After becb1530b1c81a408e20 the new curves object type isn't hidden
behind an experimental flag anymore, and other areas depend on this,
so disabling curves at compile time doesn't make sense anymore.

3 files changed, 2 insertions, 31 deletions

diff --git a/intern/cycles/blender/CMakeLists.txt b/intern/cycles/blender/CMakeLists.txt
index 4919b99cfe0..63d89221d20 100644
--- a/intern/cycles/blender/CMakeLists.txt
+++ b/intern/cycles/blender/CMakeLists.txt
@@ -128,10 +128,6 @@ if(WITH_OPENIMAGEDENOISE)
   )
 endif()
 
-if(WITH_EXPERIMENTAL_FEATURES)
-  add_definitions(-DWITH_NEW_CURVES_TYPE)
-endif()
-
 blender_add_lib(bf_intern_cycles "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
 
 add_dependencies(bf_intern_cycles bf_rna)
diff --git a/intern/cycles/blender/curves.cpp b/intern/cycles/blender/curves.cpp
index 10012720bd8..263a5fc0e02 100644
--- a/intern/cycles/blender/curves.cpp
+++ b/intern/cycles/blender/curves.cpp
@@ -613,8 +613,6 @@ void BlenderSync::sync_particle_hair(
   }
 }
 
-#ifdef WITH_NEW_CURVES_TYPE
-
 static std::optional<BL::FloatAttribute> find_curves_radius_attribute(BL::Curves b_curves)
 {
   for (BL::Attribute &b_attribute : b_curves.attributes) {
@@ -990,15 +988,6 @@ void BlenderSync::sync_hair(Hair *hair, BObjectInfo &b_ob_info, bool motion, int
     export_hair_curves(scene, hair, b_curves, need_motion, motion_scale);
   }
 }
-#else
-void BlenderSync::sync_hair(Hair *hair, BObjectInfo &b_ob_info, bool motion, int motion_step)
-{
-  (void)hair;
-  (void)b_ob_info;
-  (void)motion;
-  (void)motion_step;
-}
-#endif
 
 void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, Hair *hair)
 {
@@ -1010,14 +999,11 @@ void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, H
   new_hair.set_used_shaders(used_shaders);
 
   if (view_layer.use_hair) {
-#ifdef WITH_NEW_CURVES_TYPE
     if (b_ob_info.object_data.is_a(&RNA_Curves)) {
       /* Hair object. */
       sync_hair(&new_hair, b_ob_info, false);
     }
-    else
-#endif
-    {
+    else {
       /* Particle hair. */
       bool need_undeformed = new_hair.need_attribute(scene, ATTR_STD_GENERATED);
       BL::Mesh b_mesh = object_to_mesh(
@@ -1064,15 +1050,12 @@ void BlenderSync::sync_hair_motion(BL::Depsgraph b_depsgraph,
 
   /* Export deformed coordinates. */
   if (ccl::BKE_object_is_deform_modified(b_ob_info, b_scene, preview)) {
-#ifdef WITH_NEW_CURVES_TYPE
     if (b_ob_info.object_data.is_a(&RNA_Curves)) {
       /* Hair object. */
       sync_hair(hair, b_ob_info, true, motion_step);
       return;
     }
-    else
-#endif
-    {
+    else {
       /* Particle hair. */
       BL::Mesh b_mesh = object_to_mesh(
           b_data, b_ob_info, b_depsgraph, false, Mesh::SUBDIVISION_NONE);
diff --git a/intern/cycles/blender/geometry.cpp b/intern/cycles/blender/geometry.cpp
index 215860f59e6..fc03ca6e489 100644
--- a/intern/cycles/blender/geometry.cpp
+++ b/intern/cycles/blender/geometry.cpp
@@ -18,11 +18,7 @@ CCL_NAMESPACE_BEGIN
 
 static Geometry::Type determine_geom_type(BObjectInfo &b_ob_info, bool use_particle_hair)
 {
-#ifdef WITH_NEW_CURVES_TYPE
   if (b_ob_info.object_data.is_a(&RNA_Curves) || use_particle_hair) {
-#else
-  if (use_particle_hair) {
-#endif
     return Geometry::HAIR;
   }
 
@@ -217,11 +213,7 @@ void BlenderSync::sync_geometry_motion(BL::Depsgraph &b_depsgraph,
     if (progress.get_cancel())
       return;
 
-#ifdef WITH_NEW_CURVES_TYPE
     if (b_ob_info.object_data.is_a(&RNA_Curves) || use_particle_hair) {
-#else
-    if (use_particle_hair) {
-#endif
       Hair *hair = static_cast<Hair *>(geom);
       sync_hair_motion(b_depsgraph, b_ob_info, hair, motion_step);
     }