An internal flagged enum that defines solver mode bitflags for the Bullet physics solver. It lists various options like warmstarting, friction behaviors, SIMD/CUDA optimizations and ordering/cache options used by the dynamics solver.
/* * C# / XNA port of Bullet (c) 2011 Mark Neale <[email protected]> * * Bullet Continuous Collision Detection and Physics Library * Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.com/ * * This software is provided 'as-is', without any express or implied warranty. * In no event will the authors be held liable for any damages arising from * the use of this software. * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not * claim that you wrote the original software. If you use this software * in a product, an acknowledgment in the product documentation would be * appreciated but is not required. * 2. Altered source versions must be plainly marked as such, and must not be * misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. */ // Adapted from BulletXNA 73b2e1b9: namespace isolation, no XNA rendering, one type per file. #nullable disable #pragma warning disable CS1591, CS0168, CS0219, CS0414, CS0660, CS0661, CS0659, CS0693, CS8981, CS0108, CS0114 using System; namespace HumanoidRetargeter.Core.Formats.Mmd.Bullet.BulletDynamics; [Flags] internal enum SolverMode { SOLVER_RANDMIZE_ORDER = 1, SOLVER_FRICTION_SEPARATE = 2, SOLVER_USE_WARMSTARTING = 4, SOLVER_USE_FRICTION_WARMSTARTING = 8, SOLVER_USE_2_FRICTION_DIRECTIONS = 16, SOLVER_ENABLE_FRICTION_DIRECTION_CACHING = 32, SOLVER_DISABLE_VELOCITY_DEPENDENT_FRICTION_DIRECTION = 64, SOLVER_CACHE_FRIENDLY = 128, SOLVER_SIMD = 256, //enabled for Windows, the solver innerloop is branchless SIMD, 40% faster than FPU/scalar version SOLVER_CUDA = 512 //will be open sourced during Game Developers Conference 2009. Much faster. }