2025-12-01

extensions/user_default/flip_fluids_addon/ffengine/pybindings.py

@@ -0,0 +1,60 @@
+# MIT License
+# 
+# Copyright (C) 2025 Ryan L. Guy & Dennis Fassbaender
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from .ffengine import ffengine as lib
+from ctypes import c_char_p, c_int, byref
+
+def check_success(success, errprefix):
+    libfunc = lib.CBindings_get_error_message
+    init_lib_func(libfunc, [], c_char_p)
+    if not success:
+        raise RuntimeError(errprefix + str(libfunc().decode("utf-8")))
+
+def init_lib_func(libfunc, argtypes, restype):
+    if libfunc.argtypes is None:
+        libfunc.argtypes = argtypes
+        libfunc.restype = restype
+
+def execute_lib_func(libfunc, params):
+    args = []
+    for idx, arg in enumerate(params):
+        try:
+            cval = libfunc.argtypes[idx](arg)
+        except:
+            cval = arg
+        args.append(cval)
+    success = c_int();
+    args.append(byref(success))
+
+    result = None
+    if libfunc.restype:
+        funcresult = libfunc(*args)
+        check_success(success, libfunc.__name__ + " - ")
+        try:
+            return libfunc.restype(funcresult).value
+        except:
+            return funcresult
+    else:
+        libfunc(*args)
+
+    check_success(success, libfunc.__name__ + " - ")
+    return result