A small class SimpleBroadphaseProxy used in the Broadphase collision system ported from Bullet. It stores an array position and a next-free index and exposes getters/setters; it can also be constructed with bounding boxes and collision metadata via the base BroadphaseProxy constructor.
/* * 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; using System.Collections.Generic; using System.Diagnostics; using HumanoidRetargeter.Core.Formats.Mmd.Bullet.LinearMath; namespace HumanoidRetargeter.Core.Formats.Mmd.Bullet.BulletCollision; internal class SimpleBroadphaseProxy : BroadphaseProxy { public SimpleBroadphaseProxy(int position) { m_position = position; } public SimpleBroadphaseProxy(int position, ref IndexedVector3 minpt, ref IndexedVector3 maxpt, BroadphaseNativeTypes shapeType, Object userPtr, CollisionFilterGroups collisionFilterGroup, CollisionFilterGroups collisionFilterMask, Object multiSapProxy) : base(ref minpt, ref maxpt, userPtr, collisionFilterGroup, collisionFilterMask, multiSapProxy) { // bit of a cheat/hack - store the position in the array as we can't find it for freehandle otherwise. m_position = position; } public int GetNextFree() { return m_nextFree; } public int GetPosition() { return m_position; } public void SetNextFree(int nextFree) { m_nextFree = nextFree; } private int m_nextFree; private int m_position; }