Cleanup: spelling

source/blender/blenkernel/BKE_modifier.h

@@ -214,10 +214,10 @@ typedef struct ModifierTypeInfo {
 
   /********************* Non-deform modifier functions *********************/
 
-  /* For non-deform types: apply the modifier and return a mesh datablock.
+  /* For non-deform types: apply the modifier and return a mesh data-block.
    *
    * The mesh argument should always be non-NULL; the modifier should use the
-   * passed in mesh datablock rather than object->data, as it contains the mesh
+   * passed in mesh data-block rather than object->data, as it contains the mesh
    * with modifier applied up to this point.
    *
    * The modifier may modify and return the mesh argument, but must not free it

source/blender/blenkernel/intern/particle.c

@@ -4783,11 +4783,11 @@ void psys_get_dupli_texture(ParticleSystem *psys,
 
   /* XXX: on checking '(psmd->dm != NULL)'
    * This is incorrect but needed for metaball evaluation.
-   * Ideally this would be calculated via the depsgraph, however with metaballs,
+   * Ideally this would be calculated via the depsgraph, however with meta-balls,
    * the entire scenes dupli's are scanned, which also looks into uncalculated data.
    *
    * For now just include this workaround as an alternative to crashing,
-   * but longer term metaballs should behave in a more manageable way, see: T46622. */
+   * but longer term meta-balls should behave in a more manageable way, see: T46622. */
 
   uv[0] = uv[1] = 0.f;
 

source/blender/blenkernel/intern/unit.c

@@ -716,7 +716,7 @@ static bool ch_is_op(char op)
 /**
  * Helper function for #unit_distribute_negatives to find the next negative to distribute.
  *
- * \note This unecessarily skips the next space if it comes right after the "-"
+ * \note This unnecessarily skips the next space if it comes right after the "-"
  * just to make a more predictable output.
  */
 static char *find_next_negative(const char *str, const char *remaining_str)
@@ -742,7 +742,7 @@ static char *find_next_negative(const char *str, const char *remaining_str)
 /**
  * Helper function for #unit_distribute_negatives to find the next operation, including "-".
  *
- * \note This unecessarily skips the space before the operation character
+ * \note This unnecessarily skips the space before the operation character
  * just to make a more predictable output.
  */
 static char *find_next_op(const char *str, char *remaining_str, int len_max)

source/blender/blenlib/BLI_task.h

@@ -286,7 +286,7 @@ int BLI_task_parallel_thread_id(const TaskParallelTLS *tls);
  * ** Task-Data **
  *
  * Typically you want give a task data to work on.
- * Task data can be shared with other nodes, but be carefull not to free the data multiple times.
+ * Task data can be shared with other nodes, but be careful not to free the data multiple times.
  * Task data is freed when calling `BLI_task_graph_free`.
  *
  *    MyData *task_data = MEM_callocN(sizeof(MyData), __func__);

source/blender/blenlib/intern/BLI_kdopbvh.c

@@ -719,10 +719,10 @@ static void non_recursive_bvh_div_nodes_task_cb(void *__restrict userdata,
   refit_kdop_hull(data->tree, parent, parent_leafs_begin, parent_leafs_end);
   split_axis = get_largest_axis(parent->bv);
 
-  /* Save split axis (this can be used on raytracing to speedup the query time) */
+  /* Save split axis (this can be used on ray-tracing to speedup the query time) */
   parent->main_axis = split_axis / 2;
 
-  /* Split the childs along the split_axis, note: its not needed to sort the whole leafs array
+  /* Split the children along the split_axis, note: its not needed to sort the whole leafs array
    * Only to assure that the elements are partitioned on a way that each child takes the elements
    * it would take in case the whole array was sorted.
    * Split_leafs takes care of that "sort" problem. */

source/blender/blenloader/BLO_undofile.h

@@ -39,7 +39,7 @@ typedef struct {
    * detect unchanged IDs).
    * Defined when writing the next step (i.e. last undo step has those always false). */
   bool is_identical_future;
-  /** Session uuid of the ID being curently written (MAIN_ID_SESSION_UUID_UNSET when not writing
+  /** Session UUID of the ID being currently written (MAIN_ID_SESSION_UUID_UNSET when not writing
    * ID-related data). Used to find matching chunks in previous memundo step. */
   uint id_session_uuid;
 } MemFileChunk;

source/blender/blenloader/intern/readfile.c

@@ -2890,8 +2890,8 @@ static void direct_link_id_common(
   id->tag = tag;
 
   if (tag & LIB_TAG_ID_LINK_PLACEHOLDER) {
-    /* For placeholder we only need to set the tag and properly init generic ID fieds above, no
-     * further data to read. */
+    /* For placeholder we only need to set the tag and properly initialize generic ID fields above,
+     * no further data to read. */
     return;
   }
 

source/blender/blenloader/intern/versioning_290.c

@@ -244,7 +244,7 @@ void blo_do_versions_290(FileData *fd, Library *UNUSED(lib), Main *bmain)
   }
 
   if (!MAIN_VERSION_ATLEAST(bmain, 290, 4)) {
-    /* Clear old deprecated bitflag from edit weights modifiers, we now use it for something else.
+    /* Clear old deprecated bit-flag from edit weights modifiers, we now use it for something else.
      */
     LISTBASE_FOREACH (Object *, ob, &bmain->objects) {
       LISTBASE_FOREACH (ModifierData *, md, &ob->modifiers) {

source/blender/blenloader/intern/writefile.c

@@ -4183,7 +4183,7 @@ static bool write_file_handle(Main *mainvar,
         memcpy(id_buffer, id, idtype_struct_size);
 
         ((ID *)id_buffer)->tag = 0;
-        /* Those listbase data change everytime we add/remove an ID, and also often when renaming
+        /* Those listbase data change every time we add/remove an ID, and also often when renaming
          * one (due to re-sorting). This avoids generating a lot of false 'is changed' detections
          * between undo steps. */
         ((ID *)id_buffer)->prev = NULL;

source/blender/draw/engines/eevee/eevee_materials.c

@@ -563,9 +563,9 @@ static EeveeMaterialCache material_opaque(EEVEE_Data *vedata,
   const bool use_depth_shader = use_gpumat && ELEM(ma->blend_method, MA_BM_CLIP, MA_BM_HASHED);
 
   /* HACK: Assume the struct will never be smaller than our variations.
-   * This allow us to only keep one ghash and avoid bigger keys comparissons/hashing. */
+   * This allow us to only keep one ghash and avoid bigger keys comparisons/hashing. */
   void *key = (char *)ma + is_hair;
-  /* Search for other material instances (sharing the same Material datablock). */
+  /* Search for other material instances (sharing the same Material data-block). */
   EeveeMaterialCache **emc_p, *emc;
   if (BLI_ghash_ensure_p(pd->material_hash, key, (void ***)&emc_p)) {
     return **emc_p;
@@ -641,7 +641,7 @@ static EeveeMaterialCache material_opaque(EEVEE_Data *vedata,
 
     /* Search for the same shaders usage in the pass. */
     /* HACK: Assume the struct will never be smaller than our variations.
-     * This allow us to only keep one ghash and avoid bigger keys comparissons/hashing. */
+     * This allow us to only keep one ghash and avoid bigger keys comparisons/hashing. */
     BLI_assert(option <= 16);
     struct GPUShader *sh = GPU_material_get_shader(gpumat);
     void *cache_key = (char *)sh + option;

source/blender/draw/engines/eevee/eevee_private.h

@@ -180,7 +180,7 @@ enum {
 /* Material shader cache keys */
 enum {
   /* HACK: This assumes the struct GPUShader will never be smaller than our variations.
-   * This allow us to only keep one ghash and avoid bigger keys comparissons/hashing.
+   * This allow us to only keep one ghash and avoid bigger keys comparisons/hashing.
    * We combine the GPUShader pointer with the key. */
   KEY_CULL = (1 << 0),
   KEY_REFRACT = (1 << 1),

source/blender/draw/engines/eevee/eevee_renderpasses.c

@@ -215,7 +215,7 @@ void EEVEE_renderpasses_output_init(EEVEE_ViewLayerData *sldata,
   }
 }
 
-/* Postprocess data to construct a specific renderpass
+/* Post-process data to construct a specific render-pass
  *
  * This method will create a shading group to perform the post-processing for the given
  * `renderpass_type`. The post-processing will be done and the result will be stored in the
@@ -223,7 +223,7 @@ void EEVEE_renderpasses_output_init(EEVEE_ViewLayerData *sldata,
  *
  * Only invoke this function for passes that need post-processing.
  *
- * After invoking this function the active framebuffer is set to `vedata->fbl->renderpass_fb`. */
+ * After invoking this function the active frame-buffer is set to `vedata->fbl->renderpass_fb`. */
 void EEVEE_renderpasses_postprocess(EEVEE_ViewLayerData *UNUSED(sldata),
                                     EEVEE_Data *vedata,
                                     eViewLayerEEVEEPassType renderpass_type)

source/blender/draw/engines/eevee/eevee_shaders.c

@@ -738,7 +738,7 @@ struct GPUMaterial *EEVEE_material_get(
   }
 
   /* Meh, implicit option. World probe cannot be deferred because they need
-   * to be rendered immediatly. */
+   * to be rendered immediately. */
   const bool deferred = (options & VAR_WORLD_PROBE) == 0;
 
   GPUMaterial *mat = eevee_material_get_ex(scene, ma, wo, options, deferred);

source/blender/draw/intern/draw_cache_extract_mesh.c

@@ -5086,7 +5086,7 @@ void mesh_buffer_cache_create_requested(struct TaskGraph *task_graph,
   EXTRACT(ibo, edituv_points);
   EXTRACT(ibo, edituv_fdots);
 
-  /* Only create the edge when there are user datas that needs to be inited.
+  /* Only create the edge when there is user data that needs to be initialized.
    * The task is still part of the graph so the task_data will be freed when the graph is freed.
    */
   if (!BLI_listbase_is_empty(&user_data_init_task_data->task_datas)) {

source/blender/editors/interface/view2d_draw.c

@@ -203,7 +203,7 @@ static void draw_parallel_lines(const ParallelLinesSet *lines,
 
     immBindBuiltinProgram(GPU_SHADER_3D_POLYLINE_UNIFORM_COLOR);
     immUniform2fv("viewportSize", &viewport[2]);
-    /* -1.0f offset here  is because the line is too fat due to the builtin antialiasing.
+    /* -1.0f offset here  is because the line is too fat due to the builtin anti-aliasing.
      * TODO make a variant or a uniform to toggle it off. */
     immUniform1f("lineWidth", U.pixelsize - 1.0f);
   }

source/blender/editors/object/object_relations.c

@@ -2540,7 +2540,7 @@ static int make_override_library_exec(bContext *C, wmOperator *op)
     }
     FOREACH_COLLECTION_OBJECT_RECURSIVE_END;
 
-    /* Remove the instance empty from this scene, the items now have an overriden collection
+    /* Remove the instance empty from this scene, the items now have an overridden collection
      * instead. */
     ED_object_base_free_and_unlink(bmain, scene, obcollection);
 

source/blender/editors/space_sequencer/sequencer_add.c

@@ -655,7 +655,7 @@ static int sequencer_add_movie_strip_invoke(bContext *C,
   Scene *scene = CTX_data_scene(C);
   Editing *ed = BKE_sequencer_editing_get(scene, false);
 
-  /* Only enable "use_framerate" if there aren't any existing strips, unless overriden by user. */
+  /* Only enable "use_framerate" if there aren't any existing strips, unless overridden by user. */
   if (ed && ed->seqbasep && ed->seqbasep->first) {
     RNA_boolean_set(op->ptr, "use_framerate", false);
   }

source/blender/freestyle/intern/view_map/Silhouette.h

@@ -1592,15 +1592,15 @@ class SShape {
 
   /*! Splits an edge into several edges.
    *  The edge's vertices are passed rather than the edge itself. This way, all feature edges
-   * (SILHOUETTE, CREASE, BORDER) are splitted in the same time. The processed edges are flagged as
-   * done (using the userdata flag).One single new vertex is created whereas several splitted edges
+   * (SILHOUETTE, CREASE, BORDER) are split in the same time. The processed edges are flagged as
+   * done (using the user-data flag).One single new vertex is created whereas several split edges
    * might created for the different kinds of edges. These new elements are added to the lists
    *  maintained by the shape.
    *  New chains are also created.
    *    ioA
-   *      The first vertex for the edge that gets splitted
+   *      The first vertex for the edge that gets split.
    *    ioB
-   *      The second vertex for the edge that gets splitted
+   *      The second vertex for the edge that gets split.
    *    iParameters
    *      A vector containing 2D real vectors indicating the parameters giving the intersections
    * coordinates in 3D and in 2D. These intersections points must be sorted from B to A. Each

source/blender/gpu/intern/gpu_extensions.c

@@ -304,8 +304,8 @@ void gpu_extensions_init(void)
     GG.context_local_shaders_workaround = GLEW_ARB_get_program_binary;
   }
 
-  /* Special fix for theses specific GPUs. Without thoses workaround, blender crashes on strartup.
-   * (see T72098) */
+  /* Special fix for theses specific GPUs.
+   * Without this workaround, blender crashes on startup. (see T72098) */
   if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_WIN, GPU_DRIVER_OFFICIAL) &&
       (strstr(renderer, "HD Graphics 620") || strstr(renderer, "HD Graphics 630"))) {
     GG.mip_render_workaround = true;

source/blender/makesdna/DNA_userdef_types.h

@@ -1189,7 +1189,7 @@ typedef enum eColorPicker_Types {
 } eColorPicker_Types;
 
 /**
- * Timecode display styles
+ * Time-code display styles.
  * #UserDef.timecode_style
  */
 typedef enum eTimecodeStyles {

source/blender/makesrna/intern/rna_fluid.c

@@ -228,7 +228,7 @@ static void rna_Fluid_flip_parts_update(Main *bmain, Scene *scene, PointerRNA *p
   bool exists = rna_Fluid_parts_exists(ptr, PART_FLUID_FLIP);
 
   /* Only create a particle system in liquid domain mode.
-   * Remove any remainings of a liquid sim when switching to gas. */
+   * Remove any remaining data from a liquid sim when switching to gas. */
   if (mmd->domain->type != FLUID_DOMAIN_TYPE_LIQUID) {
     rna_Fluid_parts_delete(ptr, PART_FLUID_FLIP);
     mmd->domain->particle_type &= ~FLUID_DOMAIN_PARTICLE_FLIP;