Commit: 073ae9c572b64717be254d49688a1bdf8bae8f75
Author: Campbell Barton
Date: Tue Nov 3 15:47:37 2015 +1100
Branches: master
https://developer.blender.org/rB073ae9c572b64717be254d49688a1bdf8bae8f75
Fix flip normals w/ multires
Needs Z axis flip to maintain the shape.
===================================================================
M source/blender/bmesh/intern/bmesh_core.c
===================================================================
diff --git a/source/blender/bmesh/intern/bmesh_core.c
b/source/blender/bmesh/intern/bmesh_core.c
index de8539b..858d910 100644
--- a/source/blender/bmesh/intern/bmesh_core.c
+++ b/source/blender/bmesh/intern/bmesh_core.c
@@ -926,12 +926,25 @@ static bool bm_loop_reverse_loop(BMesh *bm, BMFace *f
co = md->disps;
for (x = 0; x < sides; x++) {
+ float *co_a, *co_b;
+
for (y = 0; y < x; y++) {
- swap_v3_v3(co[y * sides + x], co[sides
* x + y]);
- SWAP(float, co[y * sides + x][0], co[y
* sides + x][1]);
- SWAP(float, co[x * sides + y][0], co[x
* sides + y][1]);
+ co_a = co[y * sides + x];
+ co_b = co[x * sides + y];
+
+ swap_v3_v3(co_a, co_b);
+ SWAP(float, co_a[0], co_a[1]);
+ SWAP(float, co_b[0], co_b[1]);
+
+ co_a[2] *= -1.0f;
+ co_b[2] *= -1.0f;
}
- SWAP(float, co[x * sides + x][0], co[x * sides
+ x][1]);
+
+ co_a = co[x * sides + x];
+
+ SWAP(float, co_a[0], co_a[1]);
+
+ co_a[2] *= -1.0f;
}
}
}
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