1 files changed, 52 insertions, 1 deletions

diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index b0620d3363..fe87dcdd2c 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -40,7 +40,6 @@
 void Mesh::_clear_triangle_mesh() const {
 
 	triangle_mesh.unref();
-	;
 }
 
 Ref<TriangleMesh> Mesh::generate_triangle_mesh() const {
@@ -110,6 +109,54 @@ Ref<TriangleMesh> Mesh::generate_triangle_mesh() const {
 	return triangle_mesh;
 }
 
+void Mesh::generate_debug_mesh_lines(Vector<Vector3> &r_lines) {
+
+	Ref<TriangleMesh> tm = generate_triangle_mesh();
+	if (tm.is_null())
+		return;
+
+	PoolVector<int> triangle_indices;
+	tm->get_indices(&triangle_indices);
+	const int triangles_num = tm->get_triangles().size();
+	PoolVector<Vector3> vertices = tm->get_vertices();
+
+	r_lines.resize(tm->get_triangles().size() * 6); // 3 lines x 2 points each line
+
+	PoolVector<int>::Read ind_r = triangle_indices.read();
+	PoolVector<Vector3>::Read ver_r = vertices.read();
+	for (int j = 0, x = 0, i = 0; i < triangles_num; j += 6, x += 3, ++i) {
+		// Triangle line 1
+		r_lines[j + 0] = ver_r[ind_r[x + 0]];
+		r_lines[j + 1] = ver_r[ind_r[x + 1]];
+
+		// Triangle line 2
+		r_lines[j + 2] = ver_r[ind_r[x + 1]];
+		r_lines[j + 3] = ver_r[ind_r[x + 2]];
+
+		// Triangle line 3
+		r_lines[j + 4] = ver_r[ind_r[x + 2]];
+		r_lines[j + 5] = ver_r[ind_r[x + 0]];
+	}
+}
+void Mesh::generate_debug_mesh_indices(Vector<Vector3> &r_points) {
+	Ref<TriangleMesh> tm = generate_triangle_mesh();
+	if (tm.is_null())
+		return;
+
+	PoolVector<Vector3> vertices = tm->get_vertices();
+
+	int vertices_size = vertices.size();
+	r_points.resize(vertices_size);
+	for (int i = 0; i < vertices_size; ++i) {
+		r_points[i] = vertices[i];
+	}
+}
+
+bool Mesh::surface_is_softbody_friendly(int p_idx) const {
+	const uint32_t surface_format = surface_get_format(p_idx);
+	return (surface_format & Mesh::ARRAY_FLAG_USE_DYNAMIC_UPDATE && (!(surface_format & Mesh::ARRAY_COMPRESS_VERTEX)) && (!(surface_format & Mesh::ARRAY_COMPRESS_NORMAL)));
+}
+
 PoolVector<Face3> Mesh::get_faces() const {
 
 	Ref<TriangleMesh> tm = generate_triangle_mesh();
@@ -484,6 +531,10 @@ void Mesh::_bind_methods() {
 	BIND_ENUM_CONSTANT(ARRAY_MAX);
 }
 
+void Mesh::clear_cache() {
+	_clear_triangle_mesh();
+}
+
 Mesh::Mesh() {
 }