BulletSim: Add 'BulletSimData' which separates structures created

for the operation of BulletSim and those defintiions/structures defined so they can be used in the unmanaged world. Consolidate setting of collision flags so implementation is not scattered.
author: Robert Adams 2012-12-13 12:42:25 -0800
committer: Robert Adams 2012-12-13 16:32:06 -0800
commit: 3b2b785a461eba34c26a45be246c2baef2820e39 (patch)
tree: 10f25858b084edcd6e58af0fb220b893260ddf5d /OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs
parent: BulletSim: remove extra linkset rebuilds. (diff)
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1 files changed, 282 insertions, 0 deletions
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs b/OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs
new file mode 100755
index 0000000..e5c4777
--- /dev/null
+++ b/OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyrightD
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+using System;
+using System.Collections.Generic;
+using System.Text;
+using OMV = OpenMetaverse;
+namespace OpenSim.Region.Physics.BulletSPlugin
+{
+// Classes to allow some type checking for the API
+// These hold pointers to allocated objects in the unmanaged space.
+// The physics engine controller class created at initialization
+public struct BulletSim
+{
+    public BulletSim(uint worldId, BSScene bss, IntPtr xx)
+    {
+        ptr = xx;
+        worldID = worldId;
+        physicsScene = bss;
+    }
+    public IntPtr ptr;
+    public uint worldID;
+    // The scene is only in here so very low level routines have a handle to print debug/error messages
+    public BSScene physicsScene;
+}
+// An allocated Bullet btRigidBody
+public struct BulletBody
+{
+    public BulletBody(uint id) : this(id, IntPtr.Zero)
+    {
+    }
+    public BulletBody(uint id, IntPtr xx)
+    {
+        ID = id;
+        ptr = xx;
+        collisionType = CollisionType.Static;
+    }
+    public IntPtr ptr;
+    public uint ID;
+    public CollisionType collisionType;
+    public void Clear()
+    {
+        ptr = IntPtr.Zero;
+    }
+    public bool HasPhysicalBody { get { return ptr != IntPtr.Zero; } }
+    // Apply the specificed collision mask into the physical world
+    public void ApplyCollisionMask()
+    {
+        // Should assert the body has been added to the physical world.
+        // (The collision masks are stored in the collision proxy cache which only exists for
+        //    a collision body that is in the world.)
+        BulletSimAPI.SetCollisionGroupMask2(ptr,
+                                BulletSimData.CollisionTypeMasks[collisionType].group,
+                                BulletSimData.CollisionTypeMasks[collisionType].mask);
+    }
+    public override string ToString()
+    {
+        StringBuilder buff = new StringBuilder();
+        buff.Append("<id=");
+        buff.Append(ID.ToString());
+        buff.Append(",p=");
+        buff.Append(ptr.ToString("X"));
+        buff.Append(",c=");
+        buff.Append(collisionType);
+        buff.Append(">");
+        return buff.ToString();
+    }
+}
+public struct BulletShape
+{
+    public BulletShape(IntPtr xx)
+    {
+        ptr = xx;
+        type=BSPhysicsShapeType.SHAPE_UNKNOWN;
+        shapeKey = (System.UInt64)FixedShapeKey.KEY_NONE;
+        isNativeShape = false;
+    }
+    public BulletShape(IntPtr xx, BSPhysicsShapeType typ)
+    {
+        ptr = xx;
+        type = typ;
+        shapeKey = 0;
+        isNativeShape = false;
+    }
+    public IntPtr ptr;
+    public BSPhysicsShapeType type;
+    public System.UInt64 shapeKey;
+    public bool isNativeShape;
+    public void Clear()
+    {
+        ptr = IntPtr.Zero;
+    }
+    public bool HasPhysicalShape { get { return ptr != IntPtr.Zero; } }
+    public override string ToString()
+    {
+        StringBuilder buff = new StringBuilder();
+        buff.Append("<p=");
+        buff.Append(ptr.ToString("X"));
+        buff.Append(",s=");
+        buff.Append(type.ToString());
+        buff.Append(",k=");
+        buff.Append(shapeKey.ToString("X"));
+        buff.Append(",n=");
+        buff.Append(isNativeShape.ToString());
+        buff.Append(">");
+        return buff.ToString();
+    }
+}
+// An allocated Bullet btConstraint
+public struct BulletConstraint
+{
+    public BulletConstraint(IntPtr xx)
+    {
+        ptr = xx;
+    }
+    public IntPtr ptr;
+    public void Clear()
+    {
+        ptr = IntPtr.Zero;
+    }
+    public bool HasPhysicalConstraint { get { return ptr != IntPtr.Zero; } }
+}
+// An allocated HeightMapThing which holds various heightmap info.
+// Made a class rather than a struct so there would be only one
+//      instance of this and C# will pass around pointers rather
+//      than making copies.
+public class BulletHeightMapInfo
+{
+    public BulletHeightMapInfo(uint id, float[] hm, IntPtr xx) {
+        ID = id;
+        Ptr = xx;
+        heightMap = hm;
+        terrainRegionBase = OMV.Vector3.Zero;
+        minCoords = new OMV.Vector3(100f, 100f, 25f);
+        maxCoords = new OMV.Vector3(101f, 101f, 26f);
+        minZ = maxZ = 0f;
+        sizeX = sizeY = 256f;
+    }
+    public uint ID;
+    public IntPtr Ptr;
+    public float[] heightMap;
+    public OMV.Vector3 terrainRegionBase;
+    public OMV.Vector3 minCoords;
+    public OMV.Vector3 maxCoords;
+    public float sizeX, sizeY;
+    public float minZ, maxZ;
+    public BulletShape terrainShape;
+    public BulletBody terrainBody;
+}
+// The general class of collsion object.
+public enum CollisionType
+{
+    Avatar,
+    Groundplane,
+    Terrain,
+    Static,
+    Dynamic,
+    VolumeDetect,
+    // Linkset, // A linkset proper should be either Static or Dynamic
+    LinksetChild,
+    Unknown
+};
+// Hold specification of group and mask collision flags for a CollisionType
+public struct CollisionTypeFilterGroup
+{
+    public CollisionTypeFilterGroup(CollisionType t, uint g, uint m)
+    {
+        type = t;
+        group = g;
+        mask = m;
+    }
+    public CollisionType type;
+    public uint group;
+    public uint mask;
+};
+    /*
+    // The collsion filters and masked are defined in one place -- don't want them scattered
+    AvatarGroup             = BCharacterGroup,
+    AvatarMask              = BAllGroup,
+    ObjectGroup             = BSolidGroup,
+    ObjectMask              = BAllGroup,
+    StaticObjectGroup       = BStaticGroup,
+    StaticObjectMask        = AvatarGroup | ObjectGroup,    // static things don't interact with much
+    LinksetGroup            = BLinksetGroup,
+    LinksetMask             = BAllGroup,
+    LinksetChildGroup       = BLinksetChildGroup,
+    LinksetChildMask        = BNoneGroup,   // Linkset children disappear from the world
+    VolumeDetectGroup       = BSensorTrigger,
+    VolumeDetectMask        = ~BSensorTrigger,
+    TerrainGroup            = BTerrainGroup,
+    TerrainMask             = BAllGroup & ~BStaticGroup,  // static objects on the ground don't collide
+    GroundPlaneGroup        = BGroundPlaneGroup,
+    GroundPlaneMask         = BAllGroup
+    */
+public static class BulletSimData
+{
+// Map of collisionTypes to flags for collision groups and masks.
+// As mentioned above, don't use the CollisionFilterGroups definitions directly in the code
+//     but, instead, user references to this dictionary. This makes finding and debugging
+//     collision flag usage easier.
+public static Dictionary<CollisionType, CollisionTypeFilterGroup> CollisionTypeMasks 
+            = new Dictionary<CollisionType, CollisionTypeFilterGroup>()
+{
+    { CollisionType.Avatar, 
+                new CollisionTypeFilterGroup(CollisionType.Avatar, 
+                                (uint)CollisionFilterGroups.BCharacterGroup, 
+                                (uint)CollisionFilterGroups.BAllGroup)
+    },
+    { CollisionType.Groundplane, 
+                new CollisionTypeFilterGroup(CollisionType.Groundplane, 
+                                (uint)CollisionFilterGroups.BGroundPlaneGroup, 
+                                (uint)CollisionFilterGroups.BAllGroup)
+    },
+    { CollisionType.Terrain, 
+                new CollisionTypeFilterGroup(CollisionType.Terrain, 
+                                (uint)CollisionFilterGroups.BTerrainGroup, 
+                                (uint)(CollisionFilterGroups.BAllGroup & ~CollisionFilterGroups.BStaticGroup))
+    },
+    { CollisionType.Static, 
+                new CollisionTypeFilterGroup(CollisionType.Static, 
+                                (uint)CollisionFilterGroups.BStaticGroup, 
+                                (uint)(CollisionFilterGroups.BCharacterGroup | CollisionFilterGroups.BSolidGroup))
+    },
+    { CollisionType.Dynamic, 
+                new CollisionTypeFilterGroup(CollisionType.Dynamic, 
+                                (uint)CollisionFilterGroups.BSolidGroup, 
+                                (uint)(CollisionFilterGroups.BAllGroup))
+    },
+    { CollisionType.VolumeDetect, 
+                new CollisionTypeFilterGroup(CollisionType.VolumeDetect, 
+                                (uint)CollisionFilterGroups.BSensorTrigger, 
+                                (uint)(~CollisionFilterGroups.BSensorTrigger))
+    },
+    { CollisionType.LinksetChild,
+                new CollisionTypeFilterGroup(CollisionType.LinksetChild, 
+                                (uint)CollisionFilterGroups.BTerrainGroup, 
+                                (uint)(CollisionFilterGroups.BNoneGroup))
+    },
+};
+}
+}
author	Robert Adams	2012-12-13 12:42:25 -0800
committer	Robert Adams	2012-12-13 16:32:06 -0800
commit	3b2b785a461eba34c26a45be246c2baef2820e39 (patch)
tree	10f25858b084edcd6e58af0fb220b893260ddf5d /OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs
parent	BulletSim: remove extra linkset rebuilds. (diff)
download	opensim-SC-3b2b785a461eba34c26a45be246c2baef2820e39.zip opensim-SC-3b2b785a461eba34c26a45be246c2baef2820e39.tar.gz opensim-SC-3b2b785a461eba34c26a45be246c2baef2820e39.tar.bz2 opensim-SC-3b2b785a461eba34c26a45be246c2baef2820e39.tar.xz

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs b/OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs new file mode 100755 index 0000000..e5c4777 --- /dev/null +++ b/OpenSim/Region/Physics/BulletSPlugin/BulletSimData.cs
@@ -0,0 +1,282 @@
	1	/*
	2	* Copyright (c) Contributors, http://opensimulator.org/
	3	* See CONTRIBUTORS.TXT for a full list of copyright holders.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions are met:
	7	* * Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* * Redistributions in binary form must reproduce the above copyrightD
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	* * Neither the name of the OpenSimulator Project nor the
	13	* names of its contributors may be used to endorse or promote products
	14	* derived from this software without specific prior written permission.
	15	*
	16	* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
	17	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	18	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	19	* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
	20	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	21	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	22	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	23	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	24	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	25	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	26	*/
	27	using System;
	28	using System.Collections.Generic;
	29	using System.Text;
	30	using OMV = OpenMetaverse;
	31
	32	namespace OpenSim.Region.Physics.BulletSPlugin
	33	{
	34	// Classes to allow some type checking for the API
	35	// These hold pointers to allocated objects in the unmanaged space.
	36
	37	// The physics engine controller class created at initialization
	38	public struct BulletSim
	39	{
	40	public BulletSim(uint worldId, BSScene bss, IntPtr xx)
	41	{
	42	ptr = xx;
	43	worldID = worldId;
	44	physicsScene = bss;
	45	}
	46	public IntPtr ptr;
	47	public uint worldID;
	48	// The scene is only in here so very low level routines have a handle to print debug/error messages
	49	public BSScene physicsScene;
	50	}
	51
	52	// An allocated Bullet btRigidBody
	53	public struct BulletBody
	54	{
	55	public BulletBody(uint id) : this(id, IntPtr.Zero)
	56	{
	57	}
	58	public BulletBody(uint id, IntPtr xx)
	59	{
	60	ID = id;
	61	ptr = xx;
	62	collisionType = CollisionType.Static;
	63	}
	64	public IntPtr ptr;
	65	public uint ID;
	66	public CollisionType collisionType;
	67
	68	public void Clear()
	69	{
	70	ptr = IntPtr.Zero;
	71	}
	72	public bool HasPhysicalBody { get { return ptr != IntPtr.Zero; } }
	73
	74	// Apply the specificed collision mask into the physical world
	75	public void ApplyCollisionMask()
	76	{
	77	// Should assert the body has been added to the physical world.
	78	// (The collision masks are stored in the collision proxy cache which only exists for
	79	// a collision body that is in the world.)
	80	BulletSimAPI.SetCollisionGroupMask2(ptr,
	81	BulletSimData.CollisionTypeMasks[collisionType].group,
	82	BulletSimData.CollisionTypeMasks[collisionType].mask);
	83	}
	84
	85	public override string ToString()
	86	{
	87	StringBuilder buff = new StringBuilder();
	88	buff.Append("<id=");
	89	buff.Append(ID.ToString());
	90	buff.Append(",p=");
	91	buff.Append(ptr.ToString("X"));
	92	buff.Append(",c=");
	93	buff.Append(collisionType);
	94	buff.Append(">");
	95	return buff.ToString();
	96	}
	97	}
	98
	99	public struct BulletShape
	100	{
	101	public BulletShape(IntPtr xx)
	102	{
	103	ptr = xx;
	104	type=BSPhysicsShapeType.SHAPE_UNKNOWN;
	105	shapeKey = (System.UInt64)FixedShapeKey.KEY_NONE;
	106	isNativeShape = false;
	107	}
	108	public BulletShape(IntPtr xx, BSPhysicsShapeType typ)
	109	{
	110	ptr = xx;
	111	type = typ;
	112	shapeKey = 0;
	113	isNativeShape = false;
	114	}
	115	public IntPtr ptr;
	116	public BSPhysicsShapeType type;
	117	public System.UInt64 shapeKey;
	118	public bool isNativeShape;
	119
	120	public void Clear()
	121	{
	122	ptr = IntPtr.Zero;
	123	}
	124	public bool HasPhysicalShape { get { return ptr != IntPtr.Zero; } }
	125
	126	public override string ToString()
	127	{
	128	StringBuilder buff = new StringBuilder();
	129	buff.Append("<p=");
	130	buff.Append(ptr.ToString("X"));
	131	buff.Append(",s=");
	132	buff.Append(type.ToString());
	133	buff.Append(",k=");
	134	buff.Append(shapeKey.ToString("X"));
	135	buff.Append(",n=");
	136	buff.Append(isNativeShape.ToString());
	137	buff.Append(">");
	138	return buff.ToString();
	139	}
	140	}
	141
	142	// An allocated Bullet btConstraint
	143	public struct BulletConstraint
	144	{
	145	public BulletConstraint(IntPtr xx)
	146	{
	147	ptr = xx;
	148	}
	149	public IntPtr ptr;
	150
	151	public void Clear()
	152	{
	153	ptr = IntPtr.Zero;
	154	}
	155	public bool HasPhysicalConstraint { get { return ptr != IntPtr.Zero; } }
	156	}
	157
	158	// An allocated HeightMapThing which holds various heightmap info.
	159	// Made a class rather than a struct so there would be only one
	160	// instance of this and C# will pass around pointers rather
	161	// than making copies.
	162	public class BulletHeightMapInfo
	163	{
	164	public BulletHeightMapInfo(uint id, float[] hm, IntPtr xx) {
	165	ID = id;
	166	Ptr = xx;
	167	heightMap = hm;
	168	terrainRegionBase = OMV.Vector3.Zero;
	169	minCoords = new OMV.Vector3(100f, 100f, 25f);
	170	maxCoords = new OMV.Vector3(101f, 101f, 26f);
	171	minZ = maxZ = 0f;
	172	sizeX = sizeY = 256f;
	173	}
	174	public uint ID;
	175	public IntPtr Ptr;
	176	public float[] heightMap;
	177	public OMV.Vector3 terrainRegionBase;
	178	public OMV.Vector3 minCoords;
	179	public OMV.Vector3 maxCoords;
	180	public float sizeX, sizeY;
	181	public float minZ, maxZ;
	182	public BulletShape terrainShape;
	183	public BulletBody terrainBody;
	184	}
	185
	186	// The general class of collsion object.
	187	public enum CollisionType
	188	{
	189	Avatar,
	190	Groundplane,
	191	Terrain,
	192	Static,
	193	Dynamic,
	194	VolumeDetect,
	195	// Linkset, // A linkset proper should be either Static or Dynamic
	196	LinksetChild,
	197	Unknown
	198	};
	199
	200	// Hold specification of group and mask collision flags for a CollisionType
	201	public struct CollisionTypeFilterGroup
	202	{
	203	public CollisionTypeFilterGroup(CollisionType t, uint g, uint m)
	204	{
	205	type = t;
	206	group = g;
	207	mask = m;
	208	}
	209	public CollisionType type;
	210	public uint group;
	211	public uint mask;
	212	};
	213
	214	/*
	215	// The collsion filters and masked are defined in one place -- don't want them scattered
	216	AvatarGroup = BCharacterGroup,
	217	AvatarMask = BAllGroup,
	218	ObjectGroup = BSolidGroup,
	219	ObjectMask = BAllGroup,
	220	StaticObjectGroup = BStaticGroup,
	221	StaticObjectMask = AvatarGroup \| ObjectGroup, // static things don't interact with much
	222	LinksetGroup = BLinksetGroup,
	223	LinksetMask = BAllGroup,
	224	LinksetChildGroup = BLinksetChildGroup,
	225	LinksetChildMask = BNoneGroup, // Linkset children disappear from the world
	226	VolumeDetectGroup = BSensorTrigger,
	227	VolumeDetectMask = ~BSensorTrigger,
	228	TerrainGroup = BTerrainGroup,
	229	TerrainMask = BAllGroup & ~BStaticGroup, // static objects on the ground don't collide
	230	GroundPlaneGroup = BGroundPlaneGroup,
	231	GroundPlaneMask = BAllGroup
	232	*/
	233
	234	public static class BulletSimData
	235	{
	236
	237	// Map of collisionTypes to flags for collision groups and masks.
	238	// As mentioned above, don't use the CollisionFilterGroups definitions directly in the code
	239	// but, instead, user references to this dictionary. This makes finding and debugging
	240	// collision flag usage easier.
	241	public static Dictionary<CollisionType, CollisionTypeFilterGroup> CollisionTypeMasks
	242	= new Dictionary<CollisionType, CollisionTypeFilterGroup>()
	243	{
	244	{ CollisionType.Avatar,
	245	new CollisionTypeFilterGroup(CollisionType.Avatar,
	246	(uint)CollisionFilterGroups.BCharacterGroup,
	247	(uint)CollisionFilterGroups.BAllGroup)
	248	},
	249	{ CollisionType.Groundplane,
	250	new CollisionTypeFilterGroup(CollisionType.Groundplane,
	251	(uint)CollisionFilterGroups.BGroundPlaneGroup,
	252	(uint)CollisionFilterGroups.BAllGroup)
	253	},
	254	{ CollisionType.Terrain,
	255	new CollisionTypeFilterGroup(CollisionType.Terrain,
	256	(uint)CollisionFilterGroups.BTerrainGroup,
	257	(uint)(CollisionFilterGroups.BAllGroup & ~CollisionFilterGroups.BStaticGroup))
	258	},
	259	{ CollisionType.Static,
	260	new CollisionTypeFilterGroup(CollisionType.Static,
	261	(uint)CollisionFilterGroups.BStaticGroup,
	262	(uint)(CollisionFilterGroups.BCharacterGroup \| CollisionFilterGroups.BSolidGroup))
	263	},
	264	{ CollisionType.Dynamic,
	265	new CollisionTypeFilterGroup(CollisionType.Dynamic,
	266	(uint)CollisionFilterGroups.BSolidGroup,
	267	(uint)(CollisionFilterGroups.BAllGroup))
	268	},
	269	{ CollisionType.VolumeDetect,
	270	new CollisionTypeFilterGroup(CollisionType.VolumeDetect,
	271	(uint)CollisionFilterGroups.BSensorTrigger,
	272	(uint)(~CollisionFilterGroups.BSensorTrigger))
	273	},
	274	{ CollisionType.LinksetChild,
	275	new CollisionTypeFilterGroup(CollisionType.LinksetChild,
	276	(uint)CollisionFilterGroups.BTerrainGroup,
	277	(uint)(CollisionFilterGroups.BNoneGroup))
	278	},
	279	};
	280
	281	}
	282	}