# 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 ctypes import c_void_p, c_char_p, c_int, c_float, c_double, byref from .ffengine import ffengine as lib from . import pybindings as pb from . import method_decorators as decorators from .trianglemesh import TriangleMesh_t class MeshObject(): def __init__(self, i, j, k, dx): libfunc = lib.MeshObject_new args = [c_int, c_int, c_int, c_double, c_void_p] pb.init_lib_func(libfunc, args, c_void_p) self._obj = pb.execute_lib_func(libfunc, [i, j, k, dx]) def __del__(self): try: libfunc = lib.MeshObject_destroy pb.init_lib_func(libfunc, [c_void_p], None) libfunc(self._obj) except: pass def __call__(self): return self._obj def update_mesh_static(self, mesh): mesh_struct = mesh.to_struct() libfunc = lib.MeshObject_update_mesh_static args = [c_void_p, TriangleMesh_t, c_void_p] pb.init_lib_func(libfunc, args, c_void_p) pb.execute_lib_func(libfunc, [self(), mesh_struct]) def update_mesh_animated(self, mesh_previous, mesh_current, mesh_next): mesh_struct_previous = mesh_previous.to_struct() mesh_struct_current = mesh_current.to_struct() mesh_struct_next = mesh_next.to_struct() libfunc = lib.MeshObject_update_mesh_animated args = [c_void_p, TriangleMesh_t, TriangleMesh_t, TriangleMesh_t, c_void_p] pb.init_lib_func(libfunc, args, c_void_p) pb.execute_lib_func(libfunc, [self(), mesh_struct_previous, mesh_struct_current, mesh_struct_next]) @property def enable(self): libfunc = lib.MeshObject_is_enabled pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return bool(pb.execute_lib_func(libfunc, [self()])) @enable.setter def enable(self, boolval): if boolval: libfunc = lib.MeshObject_enable else: libfunc = lib.MeshObject_disable pb.init_lib_func(libfunc, [c_void_p, c_void_p], None) pb.execute_lib_func(libfunc, [self()]) @property def inverse(self): libfunc = lib.MeshObject_is_inversed pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return bool(pb.execute_lib_func(libfunc, [self()])) @inverse.setter def inverse(self, boolval): do_inverse = (boolval and not self.inverse) or (not boolval and self.inverse) if do_inverse: libfunc = lib.MeshObject_inverse pb.init_lib_func(libfunc, [c_void_p, c_void_p], None) pb.execute_lib_func(libfunc, [self()]) @property def friction(self): libfunc = lib.MeshObject_get_friction pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_float) return pb.execute_lib_func(libfunc, [self()]) @friction.setter @decorators.check_ge_zero @decorators.check_le(1.0) def friction(self, value): libfunc = lib.MeshObject_set_friction pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), value]) @property def velocity_scale(self): libfunc = lib.MeshObject_get_velocity_scale pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_float) return pb.execute_lib_func(libfunc, [self()]) @velocity_scale.setter def velocity_scale(self, value): libfunc = lib.MeshObject_set_velocity_scale pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), value]) @property def whitewater_influence(self): libfunc = lib.MeshObject_get_whitewater_influence pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_float) return pb.execute_lib_func(libfunc, [self()]) @whitewater_influence.setter @decorators.check_ge_zero def whitewater_influence(self, value): libfunc = lib.MeshObject_set_whitewater_influence pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), value]) @property def dust_emission_strength(self): libfunc = lib.MeshObject_get_dust_emission_strength pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_float) return pb.execute_lib_func(libfunc, [self()]) @dust_emission_strength.setter @decorators.check_ge_zero def dust_emission_strength(self, value): libfunc = lib.MeshObject_set_dust_emission_strength pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), value]) @property def sheeting_strength(self): libfunc = lib.MeshObject_get_sheeting_strength pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_float) return pb.execute_lib_func(libfunc, [self()]) @sheeting_strength.setter @decorators.check_ge_zero def sheeting_strength(self, value): libfunc = lib.MeshObject_set_sheeting_strength pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), value]) @property def mesh_expansion(self): libfunc = lib.MeshObject_get_mesh_expansion pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_float) return pb.execute_lib_func(libfunc, [self()]) @mesh_expansion.setter def mesh_expansion(self, value): libfunc = lib.MeshObject_set_mesh_expansion pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), value]) @property def enable_append_object_velocity(self): libfunc = lib.MeshObject_is_append_object_velocity_enabled pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return bool(pb.execute_lib_func(libfunc, [self()])) @enable_append_object_velocity.setter def enable_append_object_velocity(self, boolval): if boolval: libfunc = lib.MeshObject_enable_append_object_velocity else: libfunc = lib.MeshObject_disable_append_object_velocity pb.init_lib_func(libfunc, [c_void_p, c_void_p], None) pb.execute_lib_func(libfunc, [self()]) @property def object_velocity_influence(self): libfunc = lib.MeshObject_get_object_velocity_influence pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_float) return pb.execute_lib_func(libfunc, [self()]) @object_velocity_influence.setter def object_velocity_influence(self, value): libfunc = lib.MeshObject_set_object_velocity_influence pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), value]) @property def priority(self): libfunc = lib.MeshObject_get_priority pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return pb.execute_lib_func(libfunc, [self()]) @priority.setter def priority(self, n): libfunc = lib.MeshObject_set_priority pb.init_lib_func(libfunc, [c_void_p, c_int, c_void_p], None) pb.execute_lib_func(libfunc, [self(), int(n)]) @property def source_id(self): libfunc = lib.MeshObject_get_source_id pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return pb.execute_lib_func(libfunc, [self()]) @source_id.setter def source_id(self, n): libfunc = lib.MeshObject_set_source_id pb.init_lib_func(libfunc, [c_void_p, c_int, c_void_p], None) pb.execute_lib_func(libfunc, [self(), int(n)]) @property def viscosity(self): libfunc = lib.MeshObject_get_viscosity pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return pb.execute_lib_func(libfunc, [self()]) @viscosity.setter def viscosity(self, v): libfunc = lib.MeshObject_set_viscosity pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), float(v)]) @property def density(self): libfunc = lib.MeshObject_get_density pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return pb.execute_lib_func(libfunc, [self()]) @density.setter def density(self, v): libfunc = lib.MeshObject_set_density pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), float(v)]) @property def lifetime(self): libfunc = lib.MeshObject_get_lifetime pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return pb.execute_lib_func(libfunc, [self()]) @lifetime.setter def lifetime(self, v): libfunc = lib.MeshObject_set_lifetime pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), float(v)]) @property def lifetime_variance(self): libfunc = lib.MeshObject_get_lifetime_variance pb.init_lib_func(libfunc, [c_void_p, c_void_p], c_int) return pb.execute_lib_func(libfunc, [self()]) @lifetime_variance.setter def lifetime_variance(self, v): libfunc = lib.MeshObject_set_lifetime_variance pb.init_lib_func(libfunc, [c_void_p, c_float, c_void_p], None) pb.execute_lib_func(libfunc, [self(), float(v)]) def get_source_color(self): libfunc = lib.MeshObject_get_source_color pb.init_lib_func(libfunc, [c_void_p, c_void_p], Vector3_t) cvect = pb.execute_lib_func(libfunc, [self()]) return Vector3.from_struct(cvect) @decorators.xyz_or_vector def set_source_color(self, r, g, b): libfunc = lib.MeshObject_set_source_color pb.init_lib_func( libfunc, [c_void_p, c_double, c_double, c_double, c_void_p], None ) pb.execute_lib_func(libfunc, [self(), r, g, b])