1 files changed, 31 insertions, 0 deletions
diff --git a/source/blender/editors/transform/transform_mode_translate.c b/source/blender/editors/transform/transform_mode_translate.c
index 60caa257a40..aee05197f10 100644
--- a/source/blender/editors/transform/transform_mode_translate.c
+++ b/source/blender/editors/transform/transform_mode_translate.c
@@ -34,6 +34,7 @@
 #include "BKE_report.h"
 #include "BKE_unit.h"
 
+#include "ED_node.h"
 #include "ED_screen.h"
 
 #include "WM_api.h"
@@ -214,6 +215,34 @@ static void headerTranslation(TransInfo *t, const float vec[3], char str[UI_MAX_
   }
 }
 
+static void ApplySnapTranslation(TransInfo *t, float vec[3])
+{
+  float point[3];
+  getSnapPoint(t, point);
+
+  if (t->spacetype == SPACE_NODE) {
+    char border = t->tsnap.snapNodeBorder;
+    if (border & (NODE_LEFT | NODE_RIGHT)) {
+      vec[0] = point[0] - t->tsnap.snapTarget[0];
+    }
+    if (border & (NODE_BOTTOM | NODE_TOP)) {
+      vec[1] = point[1] - t->tsnap.snapTarget[1];
+    }
+  }
+  else {
+    if (t->spacetype == SPACE_VIEW3D) {
+      if (t->options & CTX_PAINT_CURVE) {
+        if (ED_view3d_project_float_global(t->region, point, point, V3D_PROJ_TEST_NOP) !=
+            V3D_PROJ_RET_OK) {
+          zero_v3(point); /* no good answer here... */
+        }
+      }
+    }
+
+    sub_v3_v3v3(vec, point, t->tsnap.snapTarget);
+  }
+}
+
 static void applyTranslationValue(TransInfo *t, const float vec[3])
 {
   const bool apply_snap_align_rotation = usingSnappingNormal(
@@ -376,6 +405,8 @@ void initTranslation(TransInfo *t)
   }
 
   t->transform = applyTranslation;
+  t->tsnap.applySnap = ApplySnapTranslation;
+  t->tsnap.distance = transform_snap_distance_len_squared_fn;
 
   initMouseInputMode(t, &t->mouse, INPUT_VECTOR);