Cleanup: Add const in various places in node code

Also includes some various other minor cleanups, like using bool
instead of int in a couple places.

1 files changed, 15 insertions, 12 deletions

diff --git a/source/blender/editors/space_node/node_intern.h b/source/blender/editors/space_node/node_intern.h
index aa59b7293a3..16c166ef5b1 100644
--- a/source/blender/editors/space_node/node_intern.h
+++ b/source/blender/editors/space_node/node_intern.h
@@ -61,14 +61,17 @@ void space_node_group_offset(struct SpaceNode *snode, float *x, float *y);
 /* node_draw.c */
 int node_get_colorid(struct bNode *node);
 int node_get_resize_cursor(int directions);
-void node_draw_shadow(struct SpaceNode *snode, struct bNode *node, float radius, float alpha);
+void node_draw_shadow(const struct SpaceNode *snode,
+                      const struct bNode *node,
+                      float radius,
+                      float alpha);
 void node_draw_default(const struct bContext *C,
                        struct ARegion *region,
                        struct SpaceNode *snode,
                        struct bNodeTree *ntree,
                        struct bNode *node,
                        bNodeInstanceKey key);
-void node_draw_sockets(struct View2D *v2d,
+void node_draw_sockets(const struct View2D *v2d,
                        const struct bContext *C,
                        struct bNodeTree *ntree,
                        struct bNode *node,
@@ -92,9 +95,9 @@ void node_draw_space(const bContext *C, ARegion *region);
 
 void node_set_cursor(struct wmWindow *win, struct SpaceNode *snode, float cursor[2]);
 /* DPI scaled coords */
-void node_to_view(struct bNode *node, float x, float y, float *rx, float *ry);
-void node_to_updated_rect(struct bNode *node, rctf *r_rect);
-void node_from_view(struct bNode *node, float x, float y, float *rx, float *ry);
+void node_to_view(const struct bNode *node, float x, float y, float *rx, float *ry);
+void node_to_updated_rect(const struct bNode *node, rctf *r_rect);
+void node_from_view(const struct bNode *node, float x, float y, float *rx, float *ry);
 
 /* node_buttons.c */
 void node_buttons_register(struct ARegionType *art);
@@ -145,17 +148,17 @@ void nodelink_batch_start(struct SpaceNode *snode);
 void nodelink_batch_end(struct SpaceNode *snode);
 
 void node_draw_link(struct View2D *v2d, struct SpaceNode *snode, struct bNodeLink *link);
-void node_draw_link_bezier(struct View2D *v2d,
-                           struct SpaceNode *snode,
-                           struct bNodeLink *link,
+void node_draw_link_bezier(const struct View2D *v2d,
+                           const struct SpaceNode *snode,
+                           const struct bNodeLink *link,
                            int th_col1,
                            int th_col2,
                            int th_col3);
-bool node_link_bezier_points(struct View2D *v2d,
-                             struct SpaceNode *snode,
-                             struct bNodeLink *link,
+bool node_link_bezier_points(const struct View2D *v2d,
+                             const struct SpaceNode *snode,
+                             const struct bNodeLink *link,
                              float coord_array[][2],
-                             int resol);
+                             const int resol);
 void draw_nodespace_back_pix(const struct bContext *C,
                              struct ARegion *region,
                              struct SpaceNode *snode,