1 files changed, 128 insertions, 0 deletions
diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/BroadphaseCollision/SimpleBroadphase.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/BroadphaseCollision/SimpleBroadphase.cs
new file mode 100644
index 0000000..1dc3f34
--- /dev/null
+++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/BroadphaseCollision/SimpleBroadphase.cs
@@ -0,0 +1,128 @@
+/*
+  Bullet for XNA Copyright (c) 2003-2007 Vsevolod Klementjev http://www.codeplex.com/xnadevru
+  Bullet original C++ version Copyright (c) 2003-2007 Erwin Coumans http://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.
+*/
+using System;
+using System.Collections.Generic;
+using System.Text;
+using MonoXnaCompactMaths;
+namespace XnaDevRu.BulletX
+{
+        public class SimpleBroadphase : OverlappingPairCache
+        {
+                private int _maxProxies;
+                private List<SimpleBroadphaseProxy> _proxies = new List<SimpleBroadphaseProxy>();
+                public SimpleBroadphase()
+                        : this(16384) { }
+                public SimpleBroadphase(int maxProxies)
+                        : base()
+                {
+                        _maxProxies = maxProxies;
+                }
+                public override BroadphaseProxy CreateProxy(Vector3 min, Vector3 max, BroadphaseNativeTypes shapeType, object userData, BroadphaseProxy.CollisionFilterGroups collisionFilterGroup, BroadphaseProxy.CollisionFilterGroups collisionFilterMask)
+                {
+                        if (_proxies.Count >= _maxProxies)
+                        {
+                BulletDebug.Assert(false);
+                                return null; //should never happen, but don't let the game crash ;-)
+                        }
+            BulletDebug.Assert(min.X <= max.X && min.Y <= max.Y && min.Z <= max.Z);
+                        SimpleBroadphaseProxy proxy = new SimpleBroadphaseProxy(min, max, shapeType, userData, collisionFilterGroup, collisionFilterMask);
+                        _proxies.Add(proxy);
+                        return proxy;
+                }
+                public override void DestroyProxy(BroadphaseProxy proxy)
+                {
+                        RemoveOverlappingPairsContainingProxy(proxy);
+                        _proxies.Remove(proxy as SimpleBroadphaseProxy);
+                }
+                public override void SetAabb(BroadphaseProxy proxy, Vector3 aabbMin, Vector3 aabbMax)
+                {
+                        SimpleBroadphaseProxy simpleProxy = GetSimpleProxyFromProxy(proxy);
+                        simpleProxy.Minimum = aabbMin;
+                        simpleProxy.Maximum = aabbMax;
+                }
+                private SimpleBroadphaseProxy GetSimpleProxyFromProxy(BroadphaseProxy proxy)
+                {
+                        return proxy as SimpleBroadphaseProxy;
+                }
+                public override void RefreshOverlappingPairs()
+                {
+                        for (int i = 0; i < _proxies.Count; i++)
+                        {
+                                SimpleBroadphaseProxy proxyA = _proxies[i];
+                                for (int j = i + 1; j < _proxies.Count; j++)
+                                {
+                                        SimpleBroadphaseProxy proxyB = _proxies[j];
+                                        if (AabbOverlap(proxyA, proxyB))
+                                        {
+                                                if (FindPair(proxyA, proxyB) == null)
+                                                {
+                                                        AddOverlappingPair(proxyA, proxyB);
+                                                }
+                                        }
+                                }
+                        }
+                        CheckOverlapCallback check = new CheckOverlapCallback();
+                        ProcessAllOverlappingPairs(check);
+                }
+                public static bool AabbOverlap(SimpleBroadphaseProxy proxyA, SimpleBroadphaseProxy proxyB)
+                {
+                        return proxyA.Minimum.X <= proxyB.Maximum.X && proxyB.Minimum.X <= proxyA.Maximum.X &&
+                                   proxyA.Minimum.Y <= proxyB.Maximum.Y && proxyB.Minimum.Y <= proxyA.Maximum.Y &&
+                                   proxyA.Minimum.Z <= proxyB.Maximum.Z && proxyB.Minimum.Z <= proxyA.Maximum.Z;
+                }
+                private void Validate()
+                {
+                        for (int i = 0; i < _proxies.Count; i++)
+                        {
+                                for (int j = i + 1; j < _proxies.Count; j++)
+                                {
+                                        if (_proxies[i] == _proxies[j])
+                                                throw new BulletException();
+                                }
+                        }
+                }
+        }
+        public class CheckOverlapCallback : IOverlapCallback
+        {
+                public bool ProcessOverlap(ref BroadphasePair pair)
+                {
+                        return (!SimpleBroadphase.AabbOverlap(pair.ProxyA as SimpleBroadphaseProxy, pair.ProxyB as SimpleBroadphaseProxy));
+                }
+        }
+}

diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/BroadphaseCollision/SimpleBroadphase.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/BroadphaseCollision/SimpleBroadphase.cs new file mode 100644 index 0000000..1dc3f34 --- /dev/null +++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/BroadphaseCollision/SimpleBroadphase.cs
@@ -0,0 +1,128 @@
	1	/*
	2	Bullet for XNA Copyright (c) 2003-2007 Vsevolod Klementjev http://www.codeplex.com/xnadevru
	3	Bullet original C++ version Copyright (c) 2003-2007 Erwin Coumans http://bulletphysics.com
	4
	5	This software is provided 'as-is', without any express or implied
	6	warranty. In no event will the authors be held liable for any damages
	7	arising from the use of this software.
	8
	9	Permission is granted to anyone to use this software for any purpose,
	10	including commercial applications, and to alter it and redistribute it
	11	freely, subject to the following restrictions:
	12
	13	1. The origin of this software must not be misrepresented; you must not
	14	claim that you wrote the original software. If you use this software
	15	in a product, an acknowledgment in the product documentation would be
	16	appreciated but is not required.
	17	2. Altered source versions must be plainly marked as such, and must not be
	18	misrepresented as being the original software.
	19	3. This notice may not be removed or altered from any source distribution.
	20	*/
	21
	22	using System;
	23	using System.Collections.Generic;
	24	using System.Text;
	25	using MonoXnaCompactMaths;
	26
	27	namespace XnaDevRu.BulletX
	28	{
	29	public class SimpleBroadphase : OverlappingPairCache
	30	{
	31	private int _maxProxies;
	32	private List<SimpleBroadphaseProxy> _proxies = new List<SimpleBroadphaseProxy>();
	33
	34	public SimpleBroadphase()
	35	: this(16384) { }
	36
	37	public SimpleBroadphase(int maxProxies)
	38	: base()
	39	{
	40	_maxProxies = maxProxies;
	41	}
	42
	43	public override BroadphaseProxy CreateProxy(Vector3 min, Vector3 max, BroadphaseNativeTypes shapeType, object userData, BroadphaseProxy.CollisionFilterGroups collisionFilterGroup, BroadphaseProxy.CollisionFilterGroups collisionFilterMask)
	44	{
	45	if (_proxies.Count >= _maxProxies)
	46	{
	47	BulletDebug.Assert(false);
	48	return null; //should never happen, but don't let the game crash ;-)
	49	}
	50	BulletDebug.Assert(min.X <= max.X && min.Y <= max.Y && min.Z <= max.Z);
	51
	52	SimpleBroadphaseProxy proxy = new SimpleBroadphaseProxy(min, max, shapeType, userData, collisionFilterGroup, collisionFilterMask);
	53	_proxies.Add(proxy);
	54
	55	return proxy;
	56	}
	57
	58
	59	public override void DestroyProxy(BroadphaseProxy proxy)
	60	{
	61	RemoveOverlappingPairsContainingProxy(proxy);
	62	_proxies.Remove(proxy as SimpleBroadphaseProxy);
	63	}
	64
	65	public override void SetAabb(BroadphaseProxy proxy, Vector3 aabbMin, Vector3 aabbMax)
	66	{
	67	SimpleBroadphaseProxy simpleProxy = GetSimpleProxyFromProxy(proxy);
	68	simpleProxy.Minimum = aabbMin;
	69	simpleProxy.Maximum = aabbMax;
	70	}
	71
	72	private SimpleBroadphaseProxy GetSimpleProxyFromProxy(BroadphaseProxy proxy)
	73	{
	74	return proxy as SimpleBroadphaseProxy;
	75	}
	76
	77	public override void RefreshOverlappingPairs()
	78	{
	79	for (int i = 0; i < _proxies.Count; i++)
	80	{
	81	SimpleBroadphaseProxy proxyA = _proxies[i];
	82
	83	for (int j = i + 1; j < _proxies.Count; j++)
	84	{
	85	SimpleBroadphaseProxy proxyB = _proxies[j];
	86
	87	if (AabbOverlap(proxyA, proxyB))
	88	{
	89	if (FindPair(proxyA, proxyB) == null)
	90	{
	91	AddOverlappingPair(proxyA, proxyB);
	92	}
	93	}
	94	}
	95	}
	96
	97	CheckOverlapCallback check = new CheckOverlapCallback();
	98	ProcessAllOverlappingPairs(check);
	99	}
	100
	101	public static bool AabbOverlap(SimpleBroadphaseProxy proxyA, SimpleBroadphaseProxy proxyB)
	102	{
	103	return proxyA.Minimum.X <= proxyB.Maximum.X && proxyB.Minimum.X <= proxyA.Maximum.X &&
	104	proxyA.Minimum.Y <= proxyB.Maximum.Y && proxyB.Minimum.Y <= proxyA.Maximum.Y &&
	105	proxyA.Minimum.Z <= proxyB.Maximum.Z && proxyB.Minimum.Z <= proxyA.Maximum.Z;
	106	}
	107
	108	private void Validate()
	109	{
	110	for (int i = 0; i < _proxies.Count; i++)
	111	{
	112	for (int j = i + 1; j < _proxies.Count; j++)
	113	{
	114	if (_proxies[i] == _proxies[j])
	115	throw new BulletException();
	116	}
	117	}
	118	}
	119	}
	120
	121	public class CheckOverlapCallback : IOverlapCallback
	122	{
	123	public bool ProcessOverlap(ref BroadphasePair pair)
	124	{
	125	return (!SimpleBroadphase.AabbOverlap(pair.ProxyA as SimpleBroadphaseProxy, pair.ProxyB as SimpleBroadphaseProxy));
	126	}
	127	}
	128	}