1 files changed, 59 insertions, 0 deletions
diff --git a/source/blender/simulation/SIM_mass_spring.h b/source/blender/simulation/SIM_mass_spring.h
new file mode 100644
index 00000000000..219ead477c2
--- /dev/null
+++ b/source/blender/simulation/SIM_mass_spring.h
@@ -0,0 +1,59 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) Blender Foundation
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup bph
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ClothModifierData;
+struct Depsgraph;
+struct Implicit_Data;
+struct ListBase;
+struct Object;
+
+typedef enum eMassSpringSolverStatus {
+  SIM_SOLVER_SUCCESS = (1 << 0),
+  SIM_SOLVER_NUMERICAL_ISSUE = (1 << 1),
+  SIM_SOLVER_NO_CONVERGENCE = (1 << 2),
+  SIM_SOLVER_INVALID_INPUT = (1 << 3),
+} eMassSpringSolverStatus;
+
+struct Implicit_Data *SIM_mass_spring_solver_create(int numverts, int numsprings);
+void SIM_mass_spring_solver_free(struct Implicit_Data *id);
+int SIM_mass_spring_solver_numvert(struct Implicit_Data *id);
+
+int SIM_cloth_solver_init(struct Object *ob, struct ClothModifierData *clmd);
+void SIM_cloth_solver_free(struct ClothModifierData *clmd);
+int SIM_cloth_solve(struct Depsgraph *depsgraph,
+                    struct Object *ob,
+                    float frame,
+                    struct ClothModifierData *clmd,
+                    struct ListBase *effectors);
+void SIM_cloth_solver_set_positions(struct ClothModifierData *clmd);
+void SIM_cloth_solver_set_volume(ClothModifierData *clmd);
+
+#ifdef __cplusplus
+}
+#endif