1 files changed, 115 insertions, 0 deletions
diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/StridingMeshInterface.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/StridingMeshInterface.cs
new file mode 100644
index 0000000..2a2ce27
--- /dev/null
+++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/StridingMeshInterface.cs
@@ -0,0 +1,115 @@
+/*
+  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
+{
+        /// <summary>
+        /// PHY_ScalarType enumerates possible scalar types.
+        /// See the StridingMeshInterface for its use
+        /// </summary>
+        public enum PHY_ScalarType
+        {
+                PHY_FLOAT,
+                PHY_DOUBLE,
+                PHY_INTEGER,
+                PHY_SHORT,
+                PHY_FIXEDPOINT88
+        }
+        /// <summary>
+        /// StridingMeshInterface is the interface class for high performance access to triangle meshes
+        /// It allows for sharing graphics and collision meshes. Also it provides locking/unlocking of graphics meshes that are in gpu memory.
+        /// </summary>
+        public abstract class StridingMeshInterface
+        {
+                protected Vector3 _scaling;
+                public StridingMeshInterface()
+                {
+                        _scaling = new Vector3(1f,1f,1f);
+                }
+                public void InternalProcessAllTriangles(ITriangleIndexCallback callback, Vector3 aabbMin, Vector3 aabbMax)
+                {
+                        int numtotalphysicsverts = 0;
+            int numtriangles, gfxindex;
+                        int part, graphicssubparts = SubPartsCount();
+            Vector3[] triangle = new Vector3[3];
+            List<Vector3> verts;
+            List<int> indicies;
+                        Vector3 meshScaling = Scaling;
+                        //if the number of parts is big, the performance might drop due to the innerloop switch on indextype
+                        for (part = 0; part < graphicssubparts; part++)
+                        {
+                GetLockedReadOnlyVertexIndexBase(out verts, out indicies, out numtriangles, part);
+                            numtotalphysicsverts += numtriangles * 3; //upper bound
+                for (gfxindex = 0; gfxindex < numtriangles; gfxindex++)
+                {
+                    triangle[0] = verts[indicies[gfxindex * 3 + 0]];
+                    triangle[1] = verts[indicies[gfxindex * 3 + 1]];
+                    triangle[2] = verts[indicies[gfxindex * 3 + 2]];
+                    callback.ProcessTriangleIndex(triangle, part, gfxindex);
+                }
+                            UnLockReadOnlyVertexBase(part);
+                        }
+                }
+                // get read and write access to a subpart of a triangle mesh
+                // this subpart has a continuous array of vertices and indices
+                // in this way the mesh can be handled as chunks of memory with striding
+                // very similar to OpenGL vertexarray support
+                // make a call to unLockVertexBase when the read and write access is finished   
+                public abstract void GetLockedVertexIndexBase(out List<Vector3> verts, out List<int> indicies, out int numfaces, int subpart);
+        public abstract void GetLockedReadOnlyVertexIndexBase(out List<Vector3> verts, out List<int> indicies, out int numfaces, int subpart);
+        
+                // unLockVertexBase finishes the access to a subpart of the triangle mesh
+                // make a call to unLockVertexBase when the read and write access (using getLockedVertexIndexBase) is finished
+                public abstract void UnLockVertexBase(int subpart);
+                public abstract void UnLockReadOnlyVertexBase(int subpart);
+                // getNumSubParts returns the number of seperate subparts
+                // each subpart has a continuous array of vertices and indices
+        public abstract int SubPartsCount();
+                public abstract void PreallocateVertices(int numverts);
+                public abstract void PreallocateIndices(int numindices);
+                public Vector3 Scaling
+        {           
+                        get { return _scaling; }
+            set { _scaling = value; }
+                }
+        }
+}

diff --git a/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/StridingMeshInterface.cs b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/StridingMeshInterface.cs new file mode 100644 index 0000000..2a2ce27 --- /dev/null +++ b/libraries/ModifiedBulletX/ModifiedBulletX/Collision/CollisionShapes/StridingMeshInterface.cs
@@ -0,0 +1,115 @@
	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	/// <summary>
	30	/// PHY_ScalarType enumerates possible scalar types.
	31	/// See the StridingMeshInterface for its use
	32	/// </summary>
	33	public enum PHY_ScalarType
	34	{
	35	PHY_FLOAT,
	36	PHY_DOUBLE,
	37	PHY_INTEGER,
	38	PHY_SHORT,
	39	PHY_FIXEDPOINT88
	40	}
	41
	42	/// <summary>
	43	/// StridingMeshInterface is the interface class for high performance access to triangle meshes
	44	/// It allows for sharing graphics and collision meshes. Also it provides locking/unlocking of graphics meshes that are in gpu memory.
	45	/// </summary>
	46	public abstract class StridingMeshInterface
	47	{
	48	protected Vector3 _scaling;
	49
	50	public StridingMeshInterface()
	51	{
	52	_scaling = new Vector3(1f,1f,1f);
	53	}
	54
	55	public void InternalProcessAllTriangles(ITriangleIndexCallback callback, Vector3 aabbMin, Vector3 aabbMax)
	56	{
	57	int numtotalphysicsverts = 0;
	58	int numtriangles, gfxindex;
	59	int part, graphicssubparts = SubPartsCount();
	60	Vector3[] triangle = new Vector3[3];
	61	List<Vector3> verts;
	62	List<int> indicies;
	63
	64	Vector3 meshScaling = Scaling;
	65
	66	//if the number of parts is big, the performance might drop due to the innerloop switch on indextype
	67	for (part = 0; part < graphicssubparts; part++)
	68	{
	69	GetLockedReadOnlyVertexIndexBase(out verts, out indicies, out numtriangles, part);
	70	numtotalphysicsverts += numtriangles * 3; //upper bound
	71
	72	for (gfxindex = 0; gfxindex < numtriangles; gfxindex++)
	73	{
	74	triangle[0] = verts[indicies[gfxindex * 3 + 0]];
	75	triangle[1] = verts[indicies[gfxindex * 3 + 1]];
	76	triangle[2] = verts[indicies[gfxindex * 3 + 2]];
	77
	78	callback.ProcessTriangleIndex(triangle, part, gfxindex);
	79	}
	80
	81	UnLockReadOnlyVertexBase(part);
	82	}
	83	}
	84
	85
	86	// get read and write access to a subpart of a triangle mesh
	87	// this subpart has a continuous array of vertices and indices
	88	// in this way the mesh can be handled as chunks of memory with striding
	89	// very similar to OpenGL vertexarray support
	90	// make a call to unLockVertexBase when the read and write access is finished
	91	public abstract void GetLockedVertexIndexBase(out List<Vector3> verts, out List<int> indicies, out int numfaces, int subpart);
	92
	93	public abstract void GetLockedReadOnlyVertexIndexBase(out List<Vector3> verts, out List<int> indicies, out int numfaces, int subpart);
	94
	95	// unLockVertexBase finishes the access to a subpart of the triangle mesh
	96	// make a call to unLockVertexBase when the read and write access (using getLockedVertexIndexBase) is finished
	97	public abstract void UnLockVertexBase(int subpart);
	98
	99	public abstract void UnLockReadOnlyVertexBase(int subpart);
	100
	101
	102	// getNumSubParts returns the number of seperate subparts
	103	// each subpart has a continuous array of vertices and indices
	104	public abstract int SubPartsCount();
	105
	106	public abstract void PreallocateVertices(int numverts);
	107	public abstract void PreallocateIndices(int numindices);
	108
	109	public Vector3 Scaling
	110	{
	111	get { return _scaling; }
	112	set { _scaling = value; }
	113	}
	114	}
	115	}