4 files changed, 21 insertions, 12 deletions
diff --git a/scene/animation/skeleton_ik.cpp b/scene/animation/skeleton_ik.cpp
index 9b1cb1369a..69975e6195 100644
--- a/scene/animation/skeleton_ik.cpp
+++ b/scene/animation/skeleton_ik.cpp
@@ -54,9 +54,9 @@ FabrikInverseKinematic::ChainItem *FabrikInverseKinematic::ChainItem::add_child(
 }
 
 /// Build a chain that starts from the root to tip
-void FabrikInverseKinematic::build_chain(Task *p_task, bool p_force_simple_chain) {
+bool FabrikInverseKinematic::build_chain(Task *p_task, bool p_force_simple_chain) {
 
-	ERR_FAIL_COND(-1 == p_task->root_bone);
+	ERR_FAIL_COND_V(-1 == p_task->root_bone, false);
 
 	Chain &chain(p_task->chain);
 
@@ -77,8 +77,8 @@ void FabrikInverseKinematic::build_chain(Task *p_task, bool p_force_simple_chain
 	for (int x = p_task->end_effectors.size() - 1; 0 <= x; --x) {
 
 		const EndEffector *ee(&p_task->end_effectors[x]);
-		ERR_FAIL_COND(p_task->root_bone >= ee->tip_bone);
-		ERR_FAIL_INDEX(ee->tip_bone, p_task->skeleton->get_bone_count());
+		ERR_FAIL_COND_V(p_task->root_bone >= ee->tip_bone, false);
+		ERR_FAIL_INDEX_V(ee->tip_bone, p_task->skeleton->get_bone_count(), false);
 
 		sub_chain_size = 0;
 		// Picks all IDs that composing a single chain in reverse order (except the root)
@@ -133,6 +133,7 @@ void FabrikInverseKinematic::build_chain(Task *p_task, bool p_force_simple_chain
 			break;
 		}
 	}
+	return true;
 }
 
 void FabrikInverseKinematic::update_chain(const Skeleton *p_sk, ChainItem *p_chain_item) {
@@ -247,7 +248,10 @@ FabrikInverseKinematic::Task *FabrikInverseKinematic::create_simple_task(Skeleto
 	task->end_effectors.push_back(ee);
 	task->goal_global_transform = goal_transform;
 
-	build_chain(task);
+	if (!build_chain(task)) {
+		free_task(task);
+		return NULL;
+	}
 
 	return task;
 }
@@ -535,8 +539,10 @@ void SkeletonIK::reload_chain() {
 		return;
 
 	task = FabrikInverseKinematic::create_simple_task(skeleton, skeleton->find_bone(root_bone), skeleton->find_bone(tip_bone), _get_target_transform());
-	task->max_iterations = max_iterations;
-	task->min_distance = min_distance;
+	if (task) {
+		task->max_iterations = max_iterations;
+		task->min_distance = min_distance;
+	}
 }
 
 void SkeletonIK::reload_goal() {
diff --git a/scene/animation/skeleton_ik.h b/scene/animation/skeleton_ik.h
index 08fb00e798..202d6959bb 100644
--- a/scene/animation/skeleton_ik.h
+++ b/scene/animation/skeleton_ik.h
@@ -123,7 +123,7 @@ public:
 
 private:
 	/// Init a chain that starts from the root to tip
-	static void build_chain(Task *p_task, bool p_force_simple_chain = true);
+	static bool build_chain(Task *p_task, bool p_force_simple_chain = true);
 
 	static void update_chain(const Skeleton *p_sk, ChainItem *p_chain_item);
 
diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index 042cf28fec..e6ef956dc5 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -482,6 +482,11 @@ void Mesh::_bind_methods() {
 
 	ADD_PROPERTYNZ(PropertyInfo(Variant::VECTOR2, "lightmap_size_hint"), "set_lightmap_size_hint", "get_lightmap_size_hint");
 
+	ClassDB::bind_method(D_METHOD("get_surface_count"), &Mesh::get_surface_count);
+	ClassDB::bind_method(D_METHOD("surface_get_arrays", "surf_idx"), &Mesh::surface_get_arrays);
+	ClassDB::bind_method(D_METHOD("surface_get_blend_shape_arrays", "surf_idx"), &Mesh::surface_get_blend_shape_arrays);
+	ClassDB::bind_method(D_METHOD("surface_get_material", "surf_idx"), &Mesh::surface_get_material);
+
 	BIND_ENUM_CONSTANT(PRIMITIVE_POINTS);
 	BIND_ENUM_CONSTANT(PRIMITIVE_LINES);
 	BIND_ENUM_CONSTANT(PRIMITIVE_LINE_STRIP);
@@ -1313,7 +1318,6 @@ void ArrayMesh::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_blend_shape_mode"), &ArrayMesh::get_blend_shape_mode);
 
 	ClassDB::bind_method(D_METHOD("add_surface_from_arrays", "primitive", "arrays", "blend_shapes", "compress_flags"), &ArrayMesh::add_surface_from_arrays, DEFVAL(Array()), DEFVAL(ARRAY_COMPRESS_DEFAULT));
-	ClassDB::bind_method(D_METHOD("get_surface_count"), &ArrayMesh::get_surface_count);
 	ClassDB::bind_method(D_METHOD("surface_remove", "surf_idx"), &ArrayMesh::surface_remove);
 	ClassDB::bind_method(D_METHOD("surface_update_region", "surf_idx", "offset", "data"), &ArrayMesh::surface_update_region);
 	ClassDB::bind_method(D_METHOD("surface_get_array_len", "surf_idx"), &ArrayMesh::surface_get_array_len);
@@ -1321,12 +1325,9 @@ void ArrayMesh::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("surface_get_format", "surf_idx"), &ArrayMesh::surface_get_format);
 	ClassDB::bind_method(D_METHOD("surface_get_primitive_type", "surf_idx"), &ArrayMesh::surface_get_primitive_type);
 	ClassDB::bind_method(D_METHOD("surface_set_material", "surf_idx", "material"), &ArrayMesh::surface_set_material);
-	ClassDB::bind_method(D_METHOD("surface_get_material", "surf_idx"), &ArrayMesh::surface_get_material);
 	ClassDB::bind_method(D_METHOD("surface_find_by_name", "name"), &ArrayMesh::surface_find_by_name);
 	ClassDB::bind_method(D_METHOD("surface_set_name", "surf_idx", "name"), &ArrayMesh::surface_set_name);
 	ClassDB::bind_method(D_METHOD("surface_get_name", "surf_idx"), &ArrayMesh::surface_get_name);
-	ClassDB::bind_method(D_METHOD("surface_get_arrays", "surf_idx"), &ArrayMesh::surface_get_arrays);
-	ClassDB::bind_method(D_METHOD("surface_get_blend_shape_arrays", "surf_idx"), &ArrayMesh::surface_get_blend_shape_arrays);
 	ClassDB::bind_method(D_METHOD("create_trimesh_shape"), &ArrayMesh::create_trimesh_shape);
 	ClassDB::bind_method(D_METHOD("create_convex_shape"), &ArrayMesh::create_convex_shape);
 	ClassDB::bind_method(D_METHOD("create_outline", "margin"), &ArrayMesh::create_outline);
diff --git a/scene/resources/tile_set.cpp b/scene/resources/tile_set.cpp
index c85f672ebf..8112d6be00 100644
--- a/scene/resources/tile_set.cpp
+++ b/scene/resources/tile_set.cpp
@@ -956,6 +956,8 @@ void TileSet::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("tile_get_region", "id"), &TileSet::tile_get_region);
 	ClassDB::bind_method(D_METHOD("tile_set_shape", "id", "shape_id", "shape"), &TileSet::tile_set_shape);
 	ClassDB::bind_method(D_METHOD("tile_get_shape", "id", "shape_id"), &TileSet::tile_get_shape);
+	ClassDB::bind_method(D_METHOD("tile_set_shape_offset", "id", "shape_id", "shape_offset"), &TileSet::tile_set_shape_offset);
+	ClassDB::bind_method(D_METHOD("tile_get_shape_offset", "id", "shape_id"), &TileSet::tile_get_shape_offset);
 	ClassDB::bind_method(D_METHOD("tile_set_shape_transform", "id", "shape_id", "shape_transform"), &TileSet::tile_set_shape_transform);
 	ClassDB::bind_method(D_METHOD("tile_get_shape_transform", "id", "shape_id"), &TileSet::tile_get_shape_transform);
 	ClassDB::bind_method(D_METHOD("tile_set_shape_one_way", "id", "shape_id", "one_way"), &TileSet::tile_set_shape_one_way);