Fix T65568: sewing and self collision issue

As explained in T65568 by @LucaRood, the self collision system should exclude triangles that are connected by sewing springs.

Differential Revision: https://developer.blender.org/D6911

1 files changed, 14 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_ghash.h b/source/blender/blenlib/BLI_ghash.h
index eb926c51ba9..f59d9ea99d0 100644
--- a/source/blender/blenlib/BLI_ghash.h
+++ b/source/blender/blenlib/BLI_ghash.h
@@ -370,6 +370,20 @@ unsigned int BLI_ghashutil_uinthash_v4_murmur(const unsigned int key[4]);
 bool BLI_ghashutil_uinthash_v4_cmp(const void *a, const void *b);
 #define BLI_ghashutil_inthash_v4_cmp BLI_ghashutil_uinthash_v4_cmp
 
+unsigned int BLI_ghashutil_uinthash_v2(const unsigned int key[2]);
+#define BLI_ghashutil_inthash_v2(key) \
+  (CHECK_TYPE_ANY(key, int *, const int *), BLI_ghashutil_uinthash_v2((const unsigned int *)key))
+#define BLI_ghashutil_inthash_v2_p ((GSetHashFP)BLI_ghashutil_uinthash_v2)
+#define BLI_ghashutil_uinthash_v2_p ((GSetHashFP)BLI_ghashutil_uinthash_v2)
+unsigned int BLI_ghashutil_uinthash_v2_murmur(const unsigned int key[2]);
+#define BLI_ghashutil_inthash_v2_murmur(key) \
+  (CHECK_TYPE_ANY(key, int *, const int *), \
+   BLI_ghashutil_uinthash_v2_murmur((const unsigned int *)key))
+#define BLI_ghashutil_inthash_v2_p_murmur ((GSetHashFP)BLI_ghashutil_uinthash_v2_murmur)
+#define BLI_ghashutil_uinthash_v2_p_murmur ((GSetHashFP)BLI_ghashutil_uinthash_v2_murmur)
+bool BLI_ghashutil_uinthash_v2_cmp(const void *a, const void *b);
+#define BLI_ghashutil_inthash_v2_cmp BLI_ghashutil_uinthash_v2_cmp
+
 typedef struct GHashPair {
   const void *first;
   const void *second;