From e7e1bc4ca1bb1194f26d965270b76734d2cc91bd Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Thu, 9 Jun 2011 02:47:22 +0000
Subject: [PATCH] add foreachIDLink function for cloth, remove cloth specific
 newlibadr calls in readfile.

---
 source/blender/blenloader/intern/readfile.c | 10 ----------
 source/blender/modifiers/intern/MOD_cloth.c | 15 ++++++++++++++-
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 3987b082aeb..49579432de2 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -3847,16 +3847,6 @@ static void lib_link_object(FileData *fd, Main *main)
 				}
 			}
 
-			{
-				ClothModifierData *clmd = (ClothModifierData *)modifiers_findByType(ob, eModifierType_Cloth);
-				
-				if(clmd) 
-				{
-					clmd->sim_parms->effector_weights->group = newlibadr(fd, ob->id.lib, clmd->sim_parms->effector_weights->group);
-					clmd->coll_parms->group= newlibadr(fd, ob->id.lib, clmd->coll_parms->group);
-				}
-			}
-			
 			/* texture field */
 			if(ob->pd)
 				lib_link_partdeflect(fd, &ob->id, ob->pd);
diff --git a/source/blender/modifiers/intern/MOD_cloth.c b/source/blender/modifiers/intern/MOD_cloth.c
index 30ddb3f7b9c..1d2a6b2f788 100644
--- a/source/blender/modifiers/intern/MOD_cloth.c
+++ b/source/blender/modifiers/intern/MOD_cloth.c
@@ -190,6 +190,19 @@ static void freeData(ModifierData *md)
 	}
 }
 
+static void foreachIDLink(ModifierData *md, Object *ob,
+					   IDWalkFunc walk, void *userData)
+{
+	ClothModifierData *clmd = (ClothModifierData*) md;
+
+	if(clmd->coll_parms) {
+		walk(userData, ob, (ID **)&clmd->coll_parms->group);
+	}
+
+	if(clmd->sim_parms && clmd->sim_parms->effector_weights) {
+		walk(userData, ob, (ID **)&clmd->sim_parms->effector_weights->group);
+	}
+}
 
 ModifierTypeInfo modifierType_Cloth = {
 	/* name */              "Cloth",
@@ -215,5 +228,5 @@ ModifierTypeInfo modifierType_Cloth = {
 	/* dependsOnTime */     dependsOnTime,
 	/* dependsOnNormals */	NULL,
 	/* foreachObjectLink */ NULL,
-	/* foreachIDLink */     NULL,
+	/* foreachIDLink */     foreachIDLink,
 };