From 47a41ad055f40a140b862499ca3955081e860a76 Mon Sep 17 00:00:00 2001
From: Janne Karhu <jhkarh@gmail.com>
Date: Fri, 14 Aug 2009 16:25:59 +0000
Subject: Proper copy code for multiple point caches.

---
 source/blender/blenkernel/BKE_pointcache.h    |  2 +-
 source/blender/blenkernel/intern/modifier.c   |  2 +-
 source/blender/blenkernel/intern/object.c     |  4 ++--
 source/blender/blenkernel/intern/pointcache.c | 13 ++++++++++++-
 4 files changed, 16 insertions(+), 5 deletions(-)

(limited to 'source/blender/blenkernel')

diff --git a/source/blender/blenkernel/BKE_pointcache.h b/source/blender/blenkernel/BKE_pointcache.h
index b83afb6b28f..c8a7a1cbf90 100644
--- a/source/blender/blenkernel/BKE_pointcache.h
+++ b/source/blender/blenkernel/BKE_pointcache.h
@@ -192,7 +192,7 @@ struct PointCache *BKE_ptcache_add(struct ListBase *ptcaches);
 void BKE_ptache_free_mem(struct PointCache *cache);
 void BKE_ptcache_free(struct PointCache *cache);
 void BKE_ptcache_free_list(struct ListBase *ptcaches);
-struct PointCache *BKE_ptcache_copy(struct PointCache *cache);
+struct PointCache *BKE_ptcache_copy_list(struct ListBase *ptcaches_new, struct ListBase *ptcaches_old);
 
 /********************** Baking *********************/
 
diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c
index 0c975a10c0a..ecba1c1a6ad 100644
--- a/source/blender/blenkernel/intern/modifier.c
+++ b/source/blender/blenkernel/intern/modifier.c
@@ -5978,7 +5978,7 @@ static void clothModifier_copyData(ModifierData *md, ModifierData *target)
 	
 	tclmd->sim_parms = MEM_dupallocN(clmd->sim_parms);
 	tclmd->coll_parms = MEM_dupallocN(clmd->coll_parms);
-	tclmd->point_cache = BKE_ptcache_copy(clmd->point_cache);
+	tclmd->point_cache = BKE_ptcache_copy_list(&tclmd->ptcaches, &clmd->ptcaches);
 	tclmd->clothObject = NULL;
 }
 
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index 150a5aa97aa..9423f80cba2 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -1026,7 +1026,7 @@ SoftBody *copy_softbody(SoftBody *sb)
 	
 	sbn->scratch= NULL;
 
-	sbn->pointcache= BKE_ptcache_copy(sb->pointcache);
+	sbn->pointcache= BKE_ptcache_copy_list(&sbn->ptcaches, &sb->ptcaches);
 
 	return sbn;
 }
@@ -1085,7 +1085,7 @@ ParticleSystem *copy_particlesystem(ParticleSystem *psys)
 	psysn->reactevents.first = psysn->reactevents.last = NULL;
 	psysn->renderdata = NULL;
 	
-	psysn->pointcache= BKE_ptcache_copy(psys->pointcache);
+	psysn->pointcache= BKE_ptcache_copy_list(&psysn->ptcaches, &psys->ptcaches);
 
 	id_us_plus((ID *)psysn->part);
 
diff --git a/source/blender/blenkernel/intern/pointcache.c b/source/blender/blenkernel/intern/pointcache.c
index 7aa01de71d0..59e2c3f6d72 100644
--- a/source/blender/blenkernel/intern/pointcache.c
+++ b/source/blender/blenkernel/intern/pointcache.c
@@ -1630,7 +1630,7 @@ void BKE_ptcache_free_list(ListBase *ptcaches)
 	BLI_freelistN(ptcaches);
 }
 
-PointCache *BKE_ptcache_copy(PointCache *cache)
+static PointCache *ptcache_copy(PointCache *cache)
 {
 	PointCache *ncache;
 
@@ -1645,7 +1645,18 @@ PointCache *BKE_ptcache_copy(PointCache *cache)
 
 	return ncache;
 }
+/* returns first point cache */
+PointCache *BKE_ptcache_copy_list(ListBase *ptcaches_new, ListBase *ptcaches_old)
+{
+	PointCache *cache = ptcaches_old->first;
+
+	ptcaches_new->first = ptcaches_new->last = NULL;
 
+	for(; cache; cache=cache->next)
+		BLI_addtail(ptcaches_new, ptcache_copy(cache));
+
+	return ptcaches_new->first;
+}
 
 
 /* Baking */
-- 
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