Cleanup: use bool arguments & variables

source/blender/blenkernel/BKE_mesh.h

@@ -229,7 +229,7 @@ struct Mesh *BKE_mesh_create_derived_for_modifier(struct Depsgraph *depsgraph,
                                                   struct Scene *scene,
                                                   struct Object *ob_eval,
                                                   struct ModifierData *md_eval,
-                                                  int build_shapekey_layers);
+                                                  const bool build_shapekey_layers);
 
 /* Copies a nomain-Mesh into an existing Mesh. */
 void BKE_mesh_nomain_to_mesh(struct Mesh *mesh_src,

source/blender/blenkernel/intern/mesh_convert.c

@@ -1407,7 +1407,7 @@ Mesh *BKE_mesh_create_derived_for_modifier(struct Depsgraph *depsgraph,
                                            Scene *scene,
                                            Object *ob_eval,
                                            ModifierData *md_eval,
-                                           int build_shapekey_layers)
+                                           const bool build_shapekey_layers)
 {
   Mesh *me = ob_eval->runtime.data_orig ? ob_eval->runtime.data_orig : ob_eval->data;
   const ModifierTypeInfo *mti = BKE_modifier_get_info(md_eval->type);

source/blender/editors/armature/pose_slide.c

@@ -1779,7 +1779,7 @@ static void pose_propagate_fcurve(
   float refVal = 0.0f;
   bool keyExists;
   int i, match;
-  short first = 1;
+  bool first = true;
 
   /* skip if no keyframes to edit */
   if ((fcu->bezt == NULL) || (fcu->totvert < 2)) {
@@ -1826,7 +1826,7 @@ static void pose_propagate_fcurve(
     }
     else if (mode == POSE_PROPAGATE_NEXT_KEY) {
       /* stop after the first keyframe has been processed */
-      if (first == 0) {
+      if (first == false) {
         break;
       }
     }
@@ -1865,7 +1865,7 @@ static void pose_propagate_fcurve(
 
     /* select keyframe to indicate that it's been changed */
     bezt->f2 |= SELECT;
-    first = 0;
+    first = false;
   }
 }
 

source/blender/editors/sculpt_paint/paint_image_2d.c

@@ -91,7 +91,7 @@ typedef struct BrushPainter {
   Scene *scene;
   Brush *brush;
 
-  short firsttouch; /* first paint op */
+  bool firsttouch; /* first paint op */
 
   struct ImagePool *pool; /* image pool */
   rctf tex_mapping;       /* texture coordinate mapping */
@@ -161,7 +161,7 @@ static BrushPainter *brush_painter_2d_new(Scene *scene, Brush *brush, bool inver
 
   painter->brush = brush;
   painter->scene = scene;
-  painter->firsttouch = 1;
+  painter->firsttouch = true;
   painter->cache_invert = invert;
 
   return painter;
@@ -1659,7 +1659,7 @@ void paint_2d_stroke(void *ps,
     }
   }
 
-  painter->firsttouch = 0;
+  painter->firsttouch = false;
 }
 
 void *paint_2d_new_stroke(bContext *C, wmOperator *op, int mode)

source/blender/editors/uvedit/uvedit_ops.c

@@ -1451,7 +1451,7 @@ static int uv_hide_exec(bContext *C, wmOperator *op)
   Scene *scene = CTX_data_scene(C);
   const ToolSettings *ts = scene->toolsettings;
   const bool swap = RNA_boolean_get(op->ptr, "unselected");
-  const int use_face_center = (ts->uv_selectmode == UV_SELECT_FACE);
+  const bool use_face_center = (ts->uv_selectmode == UV_SELECT_FACE);
 
   uint objects_len = 0;
   Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data_with_uvs(
@@ -1583,8 +1583,8 @@ static int uv_reveal_exec(bContext *C, wmOperator *op)
   Scene *scene = CTX_data_scene(C);
   const ToolSettings *ts = scene->toolsettings;
 
-  const int use_face_center = (ts->uv_selectmode == UV_SELECT_FACE);
-  const int stickymode = sima ? (sima->sticky != SI_STICKY_DISABLE) : 1;
+  const bool use_face_center = (ts->uv_selectmode == UV_SELECT_FACE);
+  const bool stickymode = sima ? (sima->sticky != SI_STICKY_DISABLE) : 1;
   const bool select = RNA_boolean_get(op->ptr, "select");
 
   uint objects_len = 0;

source/blender/python/intern/bpy_interface.c

@@ -536,7 +536,7 @@ void BPY_DECREF(void *pyob_ptr)
 void BPY_DECREF_RNA_INVALIDATE(void *pyob_ptr)
 {
   const PyGILState_STATE gilstate = PyGILState_Ensure();
-  const int do_invalidate = (Py_REFCNT((PyObject *)pyob_ptr) > 1);
+  const bool do_invalidate = (Py_REFCNT((PyObject *)pyob_ptr) > 1);
   Py_DECREF((PyObject *)pyob_ptr);
   if (do_invalidate) {
     pyrna_invalidate(pyob_ptr);

source/blender/render/RE_engine.h

@@ -204,7 +204,7 @@ void RE_engine_update_memory_stats(RenderEngine *engine, float mem_used, float m
 void RE_engine_report(RenderEngine *engine, int type, const char *msg);
 void RE_engine_set_error_message(RenderEngine *engine, const char *msg);
 
-int RE_engine_render(struct Render *re, int do_all);
+bool RE_engine_render(struct Render *re, bool do_all);
 
 bool RE_engine_is_external(const struct Render *re);
 

source/blender/render/intern/engine.c

@@ -803,23 +803,23 @@ static void engine_render_view_layer(Render *re,
   engine_depsgraph_free(engine);
 }
 
-int RE_engine_render(Render *re, int do_all)
+bool RE_engine_render(Render *re, bool do_all)
 {
   RenderEngineType *type = RE_engines_find(re->r.engine);
   bool persistent_data = (re->r.mode & R_PERSISTENT_DATA) != 0;
 
   /* verify if we can render */
   if (!type->render) {
-    return 0;
+    return false;
   }
   if ((re->r.scemode & R_BUTS_PREVIEW) && !(type->flag & RE_USE_PREVIEW)) {
-    return 0;
+    return false;
   }
   if (do_all && !(type->flag & RE_USE_POSTPROCESS)) {
-    return 0;
+    return false;
   }
   if (!do_all && (type->flag & RE_USE_POSTPROCESS)) {
-    return 0;
+    return false;
   }
 
   /* Lock drawing in UI during data phase. */
@@ -859,7 +859,7 @@ int RE_engine_render(Render *re, int do_all)
      */
     BKE_report(re->reports, RPT_ERROR, "Failed allocate render result, out of memory");
     G.is_break = true;
-    return 1;
+    return true;
   }
 
   /* set render info */
@@ -977,7 +977,7 @@ int RE_engine_render(Render *re, int do_all)
   }
 #endif
 
-  return 1;
+  return true;
 }
 
 void RE_engine_update_render_passes(struct RenderEngine *engine,

source/blender/render/intern/pipeline.c

@@ -1130,7 +1130,7 @@ void RE_AddObject(Render *UNUSED(re), Object *UNUSED(ob))
 static void do_render_3d(Render *re)
 {
   re->current_scene_update(re->suh, re->scene);
-  RE_engine_render(re, 0);
+  RE_engine_render(re, false);
 }
 
 /* make sure disprect is not affected by the render border */
@@ -1599,7 +1599,7 @@ static void do_render_all_options(Render *re)
   BKE_image_all_free_anim_ibufs(re->main, re->r.cfra);
   SEQ_relations_free_all_anim_ibufs(re->scene, re->r.cfra);
 
-  if (RE_engine_render(re, 1)) {
+  if (RE_engine_render(re, true)) {
     /* in this case external render overrides all */
   }
   else if (RE_seq_render_active(re->scene, &re->r)) {