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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 copyright
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
28//#define USE_DRAWSTUFF
29
30using System;
31using System.Collections.Generic;
32using System.Reflection;
33using System.Runtime.InteropServices;
34using System.Threading;
35using System.IO;
36using System.Diagnostics;
37using log4net;
38using Nini.Config;
39using Ode.NET;
40#if USE_DRAWSTUFF
41using Drawstuff.NET;
42#endif
43using OpenSim.Framework;
44using OpenSim.Region.Physics.Manager;
45using OpenMetaverse;
46
47//using OpenSim.Region.Physics.OdePlugin.Meshing;
48
49namespace OpenSim.Region.Physics.OdePlugin
50{
51 /// <summary>
52 /// ODE plugin
53 /// </summary>
54 public class OdePlugin : IPhysicsPlugin
55 {
56 //private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
57
58 private CollisionLocker ode;
59 private OdeScene _mScene;
60
61 public OdePlugin()
62 {
63 ode = new CollisionLocker();
64 }
65
66 public bool Init()
67 {
68 return true;
69 }
70
71 public PhysicsScene GetScene(String sceneIdentifier)
72 {
73 if (_mScene == null)
74 {
75 // Initializing ODE only when a scene is created allows alternative ODE plugins to co-habit (according to
76 // http://opensimulator.org/mantis/view.php?id=2750).
77 d.InitODE();
78
79 _mScene = new OdeScene(ode, sceneIdentifier);
80 }
81 return (_mScene);
82 }
83
84 public string GetName()
85 {
86 return ("ChODE");
87 }
88
89 public void Dispose()
90 {
91 }
92 }
93
94 public enum StatusIndicators : int
95 {
96 Generic = 0,
97 Start = 1,
98 End = 2
99 }
100
101 public struct sCollisionData
102 {
103 public uint ColliderLocalId;
104 public uint CollidedWithLocalId;
105 public int NumberOfCollisions;
106 public int CollisionType;
107 public int StatusIndicator;
108 public int lastframe;
109 }
110
111 [Flags]
112 public enum CollisionCategories : int
113 {
114 Disabled = 0,
115 Geom = 0x00000001,
116 Body = 0x00000002,
117 Space = 0x00000004,
118 Character = 0x00000008,
119 Land = 0x00000010,
120 Water = 0x00000020,
121 Wind = 0x00000040,
122 Sensor = 0x00000080,
123 Selected = 0x00000100
124 }
125
126 /// <summary>
127 /// Material type for a primitive
128 /// </summary>
129 public enum Material : int
130 {
131 /// <summary></summary>
132 Stone = 0,
133 /// <summary></summary>
134 Metal = 1,
135 /// <summary></summary>
136 Glass = 2,
137 /// <summary></summary>
138 Wood = 3,
139 /// <summary></summary>
140 Flesh = 4,
141 /// <summary></summary>
142 Plastic = 5,
143 /// <summary></summary>
144 Rubber = 6
145
146 }
147
148 public sealed class OdeScene : PhysicsScene
149 {
150 private readonly ILog m_log;
151 // private Dictionary<string, sCollisionData> m_storedCollisions = new Dictionary<string, sCollisionData>();
152
153 CollisionLocker ode;
154
155 private Random fluidRandomizer = new Random(Environment.TickCount);
156
157 private const uint m_regionWidth = Constants.RegionSize;
158 private const uint m_regionHeight = Constants.RegionSize;
159
160 private float ODE_STEPSIZE = 0.020f;
161 private float metersInSpace = 29.9f;
162 private float m_timeDilation = 1.0f;
163
164 public float gravityx = 0f;
165 public float gravityy = 0f;
166 public float gravityz = -9.8f;
167
168 private float contactsurfacelayer = 0.001f;
169
170 private int worldHashspaceLow = -4;
171 private int worldHashspaceHigh = 128;
172
173 private int smallHashspaceLow = -4;
174 private int smallHashspaceHigh = 66;
175
176 private float waterlevel = 0f;
177 private int framecount = 0;
178 //private int m_returncollisions = 10;
179
180 private readonly IntPtr contactgroup;
181
182 internal IntPtr LandGeom;
183 internal IntPtr WaterGeom;
184
185 private float nmTerrainContactFriction = 255.0f;
186 private float nmTerrainContactBounce = 0.1f;
187 private float nmTerrainContactERP = 0.1025f;
188
189 private float mTerrainContactFriction = 75f;
190 private float mTerrainContactBounce = 0.1f;
191 private float mTerrainContactERP = 0.05025f;
192
193 private float nmAvatarObjectContactFriction = 250f;
194 private float nmAvatarObjectContactBounce = 0.1f;
195
196 private float mAvatarObjectContactFriction = 75f;
197 private float mAvatarObjectContactBounce = 0.1f;
198
199 private float avPIDD = 3200f;
200 private float avPIDP = 1400f;
201 private float avCapRadius = 0.37f;
202 private float avStandupTensor = 2000000f;
203 private bool avCapsuleTilted = true; // true = old compatibility mode with leaning capsule; false = new corrected mode
204 public bool IsAvCapsuleTilted { get { return avCapsuleTilted; } set { avCapsuleTilted = value; } }
205 private float avDensity = 80f;
206 private float avHeightFudgeFactor = 0.52f;
207 private float avMovementDivisorWalk = 1.3f;
208 private float avMovementDivisorRun = 0.8f;
209 private float minimumGroundFlightOffset = 3f;
210 public float maximumMassObject = 10000.01f;
211
212 public bool meshSculptedPrim = true;
213 public bool forceSimplePrimMeshing = false;
214
215 public float meshSculptLOD = 32;
216 public float MeshSculptphysicalLOD = 16;
217
218 public float geomDefaultDensity = 10.000006836f;
219
220 public int geomContactPointsStartthrottle = 3;
221 public int geomUpdatesPerThrottledUpdate = 15;
222
223 public float bodyPIDD = 35f;
224 public float bodyPIDG = 25;
225
226 public int geomCrossingFailuresBeforeOutofbounds = 5;
227 public float geomRegionFence = 0.0f;
228
229 public float bodyMotorJointMaxforceTensor = 2;
230
231 public int bodyFramesAutoDisable = 20;
232
233 private DateTime m_lastframe = DateTime.UtcNow;
234
235 private float[] _watermap;
236 private bool m_filterCollisions = true;
237
238 private d.NearCallback nearCallback;
239 public d.TriCallback triCallback;
240 public d.TriArrayCallback triArrayCallback;
241 private readonly HashSet<OdeCharacter> _characters = new HashSet<OdeCharacter>();
242 private readonly HashSet<OdePrim> _prims = new HashSet<OdePrim>();
243 private readonly HashSet<OdePrim> _activeprims = new HashSet<OdePrim>();
244 private readonly HashSet<OdePrim> _taintedPrimH = new HashSet<OdePrim>();
245 private readonly Object _taintedPrimLock = new Object();
246 private readonly List<OdePrim> _taintedPrimL = new List<OdePrim>();
247 private readonly HashSet<OdeCharacter> _taintedActors = new HashSet<OdeCharacter>();
248 private readonly List<d.ContactGeom> _perloopContact = new List<d.ContactGeom>();
249 private readonly List<PhysicsActor> _collisionEventPrim = new List<PhysicsActor>();
250 private readonly HashSet<OdeCharacter> _badCharacter = new HashSet<OdeCharacter>();
251 public Dictionary<IntPtr, String> geom_name_map = new Dictionary<IntPtr, String>();
252 public Dictionary<IntPtr, PhysicsActor> actor_name_map = new Dictionary<IntPtr, PhysicsActor>();
253 private bool m_NINJA_physics_joints_enabled = false;
254 //private Dictionary<String, IntPtr> jointpart_name_map = new Dictionary<String,IntPtr>();
255 private readonly Dictionary<String, List<PhysicsJoint>> joints_connecting_actor = new Dictionary<String, List<PhysicsJoint>>();
256 private d.ContactGeom[] contacts;
257 private readonly List<PhysicsJoint> requestedJointsToBeCreated = new List<PhysicsJoint>(); // lock only briefly. accessed by external code (to request new joints) and by OdeScene.Simulate() to move those joints into pending/active
258 private readonly List<PhysicsJoint> pendingJoints = new List<PhysicsJoint>(); // can lock for longer. accessed only by OdeScene.
259 private readonly List<PhysicsJoint> activeJoints = new List<PhysicsJoint>(); // can lock for longer. accessed only by OdeScene.
260 private readonly List<string> requestedJointsToBeDeleted = new List<string>(); // lock only briefly. accessed by external code (to request deletion of joints) and by OdeScene.Simulate() to move those joints out of pending/active
261 private Object externalJointRequestsLock = new Object();
262 private readonly Dictionary<String, PhysicsJoint> SOPName_to_activeJoint = new Dictionary<String, PhysicsJoint>();
263 private readonly Dictionary<String, PhysicsJoint> SOPName_to_pendingJoint = new Dictionary<String, PhysicsJoint>();
264 private readonly DoubleDictionary<Vector3, IntPtr, IntPtr> RegionTerrain = new DoubleDictionary<Vector3, IntPtr, IntPtr>();
265 private readonly Dictionary<IntPtr,float[]> TerrainHeightFieldHeights = new Dictionary<IntPtr, float[]>();
266
267 private d.Contact ContactCopy; // local copy that can be modified
268 private d.Contact TerrainContact;
269 private d.Contact AvatarStaticprimContact; // was 'contact'
270 private d.Contact AvatarMovementprimContact;
271 private d.Contact AvatarMovementTerrainContact;
272 private d.Contact WaterContact;
273 private d.Contact[,] m_materialContacts;
274
275//Ckrinke: Comment out until used. We declare it, initialize it, but do not use it
276//Ckrinke private int m_randomizeWater = 200;
277 private int m_physicsiterations = 10;
278 private const float m_SkipFramesAtms = 0.40f; // Drop frames gracefully at a 400 ms lag
279 private readonly PhysicsActor PANull = new NullPhysicsActor();
280 private float step_time = 0.0f;
281//Ckrinke: Comment out until used. We declare it, initialize it, but do not use it
282//Ckrinke private int ms = 0;
283 public IntPtr world;
284 //private bool returncollisions = false;
285 // private uint obj1LocalID = 0;
286 private uint obj2LocalID = 0;
287 //private int ctype = 0;
288 private OdeCharacter cc1;
289 private OdePrim cp1;
290 private OdeCharacter cc2;
291 private OdePrim cp2;
292 //private int cStartStop = 0;
293 //private string cDictKey = "";
294
295 public IntPtr space;
296
297 //private IntPtr tmpSpace;
298 // split static geometry collision handling into spaces of 30 meters
299 public IntPtr[,] staticPrimspace;
300
301 public Object OdeLock;
302
303 public IMesher mesher;
304
305 private IConfigSource m_config;
306
307 public bool physics_logging = false;
308 public int physics_logging_interval = 0;
309 public bool physics_logging_append_existing_logfile = false;
310
311 public d.Vector3 xyz = new d.Vector3(128.1640f, 128.3079f, 25.7600f);
312 public d.Vector3 hpr = new d.Vector3(125.5000f, -17.0000f, 0.0000f);
313
314 // TODO: unused: private uint heightmapWidth = m_regionWidth + 1;
315 // TODO: unused: private uint heightmapHeight = m_regionHeight + 1;
316 // TODO: unused: private uint heightmapWidthSamples;
317 // TODO: unused: private uint heightmapHeightSamples;
318
319 private volatile int m_global_contactcount = 0;
320
321 private Vector3 m_worldOffset = Vector3.Zero;
322 public Vector2 WorldExtents = new Vector2((int)Constants.RegionSize, (int)Constants.RegionSize);
323 private PhysicsScene m_parentScene = null;
324
325 private ODERayCastRequestManager m_rayCastManager;
326
327 /// <summary>
328 /// Initiailizes the scene
329 /// Sets many properties that ODE requires to be stable
330 /// These settings need to be tweaked 'exactly' right or weird stuff happens.
331 /// </summary>
332 public OdeScene(CollisionLocker dode, string sceneIdentifier)
333 {
334 m_log
335 = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType.ToString() + "." + sceneIdentifier);
336
337 OdeLock = new Object();
338 ode = dode;
339 nearCallback = near;
340 triCallback = TriCallback;
341 triArrayCallback = TriArrayCallback;
342 m_rayCastManager = new ODERayCastRequestManager(this);
343 lock (OdeLock)
344 {
345 // Create the world and the first space
346 world = d.WorldCreate();
347 space = d.HashSpaceCreate(IntPtr.Zero);
348
349
350 contactgroup = d.JointGroupCreate(0);
351 //contactgroup
352
353 d.WorldSetAutoDisableFlag(world, false);
354 #if USE_DRAWSTUFF
355
356 Thread viewthread = new Thread(new ParameterizedThreadStart(startvisualization));
357 viewthread.Start();
358 #endif
359 }
360
361
362 _watermap = new float[258 * 258];
363
364 // Zero out the prim spaces array (we split our space into smaller spaces so
365 // we can hit test less.
366 }
367
368#if USE_DRAWSTUFF
369 public void startvisualization(object o)
370 {
371 ds.Functions fn;
372 fn.version = ds.VERSION;
373 fn.start = new ds.CallbackFunction(start);
374 fn.step = new ds.CallbackFunction(step);
375 fn.command = new ds.CallbackFunction(command);
376 fn.stop = null;
377 fn.path_to_textures = "./textures";
378 string[] args = new string[0];
379 ds.SimulationLoop(args.Length, args, 352, 288, ref fn);
380 }
381#endif
382
383 // Initialize the mesh plugin
384 public override void Initialise(IMesher meshmerizer, IConfigSource config)
385 {
386 mesher = meshmerizer;
387 m_config = config;
388 // Defaults
389
390 if (Environment.OSVersion.Platform == PlatformID.Unix)
391 {
392 avPIDD = 3200.0f;
393 avPIDP = 1400.0f;
394 avStandupTensor = 2000000f;
395 }
396 else
397 {
398 avPIDD = 2200.0f;
399 avPIDP = 900.0f;
400 avStandupTensor = 550000f;
401 }
402
403 int contactsPerCollision = 80;
404
405 if (m_config != null)
406 {
407 IConfig physicsconfig = m_config.Configs["ODEPhysicsSettings"];
408 if (physicsconfig != null)
409 {
410 gravityx = physicsconfig.GetFloat("world_gravityx", 0f);
411 gravityy = physicsconfig.GetFloat("world_gravityy", 0f);
412 gravityz = physicsconfig.GetFloat("world_gravityz", -9.8f);
413
414 worldHashspaceLow = physicsconfig.GetInt("world_hashspace_size_low", -4);
415 worldHashspaceHigh = physicsconfig.GetInt("world_hashspace_size_high", 128);
416
417 metersInSpace = physicsconfig.GetFloat("meters_in_small_space", 29.9f);
418 smallHashspaceLow = physicsconfig.GetInt("small_hashspace_size_low", -4);
419 smallHashspaceHigh = physicsconfig.GetInt("small_hashspace_size_high", 66);
420
421 contactsurfacelayer = physicsconfig.GetFloat("world_contact_surface_layer", 0.001f);
422
423 nmTerrainContactFriction = physicsconfig.GetFloat("nm_terraincontact_friction", 255.0f);
424 nmTerrainContactBounce = physicsconfig.GetFloat("nm_terraincontact_bounce", 0.1f);
425 nmTerrainContactERP = physicsconfig.GetFloat("nm_terraincontact_erp", 0.1025f);
426
427 mTerrainContactFriction = physicsconfig.GetFloat("m_terraincontact_friction", 75f);
428 mTerrainContactBounce = physicsconfig.GetFloat("m_terraincontact_bounce", 0.05f);
429 mTerrainContactERP = physicsconfig.GetFloat("m_terraincontact_erp", 0.05025f);
430
431 nmAvatarObjectContactFriction = physicsconfig.GetFloat("objectcontact_friction", 250f);
432 nmAvatarObjectContactBounce = physicsconfig.GetFloat("objectcontact_bounce", 0.2f);
433
434 mAvatarObjectContactFriction = physicsconfig.GetFloat("m_avatarobjectcontact_friction", 75f);
435 mAvatarObjectContactBounce = physicsconfig.GetFloat("m_avatarobjectcontact_bounce", 0.1f);
436
437 ODE_STEPSIZE = physicsconfig.GetFloat("world_stepsize", 0.020f);
438 m_physicsiterations = physicsconfig.GetInt("world_internal_steps_without_collisions", 10);
439
440 avDensity = physicsconfig.GetFloat("av_density", 80f);
441 avHeightFudgeFactor = physicsconfig.GetFloat("av_height_fudge_factor", 0.52f);
442 avMovementDivisorWalk = physicsconfig.GetFloat("av_movement_divisor_walk", 1.3f);
443 avMovementDivisorRun = physicsconfig.GetFloat("av_movement_divisor_run", 0.8f);
444 avCapRadius = physicsconfig.GetFloat("av_capsule_radius", 0.37f);
445 avCapsuleTilted = physicsconfig.GetBoolean("av_capsule_tilted", false);
446
447 contactsPerCollision = physicsconfig.GetInt("contacts_per_collision", 80);
448
449 geomContactPointsStartthrottle = physicsconfig.GetInt("geom_contactpoints_start_throttling", 3);
450 geomUpdatesPerThrottledUpdate = physicsconfig.GetInt("geom_updates_before_throttled_update", 15);
451 geomCrossingFailuresBeforeOutofbounds = physicsconfig.GetInt("geom_crossing_failures_before_outofbounds", 5);
452 geomRegionFence = physicsconfig.GetFloat("region_border_fence", 0.0f);
453
454 geomDefaultDensity = physicsconfig.GetFloat("geometry_default_density", 10.000006836f);
455 bodyFramesAutoDisable = physicsconfig.GetInt("body_frames_auto_disable", 20);
456
457 bodyPIDD = physicsconfig.GetFloat("body_pid_derivative", 35f);
458 bodyPIDG = physicsconfig.GetFloat("body_pid_gain", 25f);
459
460 forceSimplePrimMeshing = physicsconfig.GetBoolean("force_simple_prim_meshing", forceSimplePrimMeshing);
461 meshSculptedPrim = physicsconfig.GetBoolean("mesh_sculpted_prim", true);
462 meshSculptLOD = physicsconfig.GetFloat("mesh_lod", 32f);
463 MeshSculptphysicalLOD = physicsconfig.GetFloat("mesh_physical_lod", 16f);
464 m_filterCollisions = physicsconfig.GetBoolean("filter_collisions", false);
465
466 if (Environment.OSVersion.Platform == PlatformID.Unix)
467 {
468 avPIDD = physicsconfig.GetFloat("av_pid_derivative_linux", 2200.0f);
469 avPIDP = physicsconfig.GetFloat("av_pid_proportional_linux", 900.0f);
470 avStandupTensor = physicsconfig.GetFloat("av_capsule_standup_tensor_linux", 550000f);
471 bodyMotorJointMaxforceTensor = physicsconfig.GetFloat("body_motor_joint_maxforce_tensor_linux", 5f);
472 }
473 else
474 {
475 avPIDD = physicsconfig.GetFloat("av_pid_derivative_win", 2200.0f);
476 avPIDP = physicsconfig.GetFloat("av_pid_proportional_win", 900.0f);
477 avStandupTensor = physicsconfig.GetFloat("av_capsule_standup_tensor_win", 550000f);
478 bodyMotorJointMaxforceTensor = physicsconfig.GetFloat("body_motor_joint_maxforce_tensor_win", 5f);
479 }
480
481 physics_logging = physicsconfig.GetBoolean("physics_logging", false);
482 physics_logging_interval = physicsconfig.GetInt("physics_logging_interval", 0);
483 physics_logging_append_existing_logfile = physicsconfig.GetBoolean("physics_logging_append_existing_logfile", false);
484
485 m_NINJA_physics_joints_enabled = physicsconfig.GetBoolean("use_NINJA_physics_joints", false);
486 minimumGroundFlightOffset = physicsconfig.GetFloat("minimum_ground_flight_offset", 3f);
487 maximumMassObject = physicsconfig.GetFloat("maximum_mass_object", 10000.01f);
488 }
489 }
490
491 contacts = new d.ContactGeom[contactsPerCollision];
492
493 staticPrimspace = new IntPtr[(int)(300 / metersInSpace), (int)(300 / metersInSpace)];
494
495 // Avatar static on a Prim parameters
496 AvatarStaticprimContact.surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
497 AvatarStaticprimContact.surface.mu = 255.0f;
498 AvatarStaticprimContact.surface.bounce = 0.0f;
499 AvatarStaticprimContact.surface.soft_cfm = 0.0f;
500 AvatarStaticprimContact.surface.soft_erp = 0.30f; // If this is too small static Av will fall through a sloping prim. 1.0 prevents fall-thru
501
502 // Avatar moving on a Prim parameters
503 AvatarMovementprimContact.surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
504 AvatarMovementprimContact.surface.mu = 255.0f;
505 AvatarMovementprimContact.surface.bounce = 0.0f;
506 AvatarMovementprimContact.surface.soft_cfm = 0.0f; // if this is 0.01 then prims become phantom to Avs!
507 AvatarMovementprimContact.surface.soft_erp = 0.3f;
508
509 // Static Avatar on Terrain parameters
510 // Keeps Avatar in place better
511 TerrainContact.surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
512 TerrainContact.surface.mu = 255.0f;
513 TerrainContact.surface.bounce = 0.0f;
514 TerrainContact.surface.soft_cfm = 0.0f;
515 TerrainContact.surface.soft_erp = 0.05f;
516
517 // Moving Avatar on Terrain parameters
518 AvatarMovementTerrainContact.surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
519 AvatarMovementTerrainContact.surface.mu = 75f;
520 AvatarMovementTerrainContact.surface.bounce = 0.0f;
521 AvatarMovementTerrainContact.surface.soft_cfm = 0.0f;
522 AvatarMovementTerrainContact.surface.soft_erp = 0.05f;
523
524 // Avatar or prim the the water, this may not be used, possibly water is same as air?
525 WaterContact.surface.mode |= (d.ContactFlags.SoftERP | d.ContactFlags.SoftCFM);
526 WaterContact.surface.mu = 0.0f; // No friction
527 WaterContact.surface.bounce = 0.0f; // No bounce
528 WaterContact.surface.soft_cfm = 0.010f;
529 WaterContact.surface.soft_erp = 0.010f;
530
531
532 // Prim static or moving on a prim, depends on material type
533 m_materialContacts = new d.Contact[7,2];
534 // V 1 = Sliding; 0 = static or fell onto
535 m_materialContacts[(int)Material.Stone, 0] = new d.Contact();
536 m_materialContacts[(int)Material.Stone, 0].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
537 m_materialContacts[(int)Material.Stone, 0].surface.mu = 60f; // friction, 1 = slippery, 255 = no slip
538 m_materialContacts[(int)Material.Stone, 0].surface.bounce = 0.0f;
539 m_materialContacts[(int)Material.Stone, 0].surface.soft_cfm = 0.0f;
540 m_materialContacts[(int)Material.Stone, 0].surface.soft_erp = 0.50f; // erp also changes friction, more erp=less friction
541
542 m_materialContacts[(int)Material.Stone, 1] = new d.Contact();
543 m_materialContacts[(int)Material.Stone, 1].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
544 m_materialContacts[(int)Material.Stone, 1].surface.mu = 40f;
545 m_materialContacts[(int)Material.Stone, 1].surface.bounce = 0.0f;
546 m_materialContacts[(int)Material.Stone, 1].surface.soft_cfm = 0.0f;
547 m_materialContacts[(int)Material.Stone, 1].surface.soft_erp = 0.50f;
548
549 m_materialContacts[(int)Material.Metal, 0] = new d.Contact();
550 m_materialContacts[(int)Material.Metal, 0].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
551 m_materialContacts[(int)Material.Metal, 0].surface.mu = 15f;
552 m_materialContacts[(int)Material.Metal, 0].surface.bounce = 0.2f;
553 m_materialContacts[(int)Material.Metal, 0].surface.soft_cfm = 0.0f;
554 m_materialContacts[(int)Material.Metal, 0].surface.soft_erp = 0.50f;
555
556 m_materialContacts[(int)Material.Metal, 1] = new d.Contact();
557 m_materialContacts[(int)Material.Metal, 1].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
558 m_materialContacts[(int)Material.Metal, 1].surface.mu = 10f;
559 m_materialContacts[(int)Material.Metal, 1].surface.bounce = 0.2f;
560 m_materialContacts[(int)Material.Metal, 1].surface.soft_cfm = 0.0f;
561 m_materialContacts[(int)Material.Metal, 1].surface.soft_erp = 0.50f;
562
563 m_materialContacts[(int)Material.Glass, 0] = new d.Contact();
564 m_materialContacts[(int)Material.Glass, 0].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
565 m_materialContacts[(int)Material.Glass, 0].surface.mu = 7.5f;
566 m_materialContacts[(int)Material.Glass, 0].surface.bounce = 0.0f;
567 m_materialContacts[(int)Material.Glass, 0].surface.soft_cfm = 0.0f;
568 m_materialContacts[(int)Material.Glass, 0].surface.soft_erp = 0.50f;
569
570 m_materialContacts[(int)Material.Glass, 1] = new d.Contact();
571 m_materialContacts[(int)Material.Glass, 1].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
572 m_materialContacts[(int)Material.Glass, 1].surface.mu = 5f;
573 m_materialContacts[(int)Material.Glass, 1].surface.bounce = 0.0f;
574 m_materialContacts[(int)Material.Glass, 1].surface.soft_cfm = 0.0f;
575 m_materialContacts[(int)Material.Glass, 1].surface.soft_erp = 0.50f;
576
577 m_materialContacts[(int)Material.Wood, 0] = new d.Contact();
578 m_materialContacts[(int)Material.Wood, 0].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
579 m_materialContacts[(int)Material.Wood, 0].surface.mu = 45f;
580 m_materialContacts[(int)Material.Wood, 0].surface.bounce = 0.1f;
581 m_materialContacts[(int)Material.Wood, 0].surface.soft_cfm = 0.0f;
582 m_materialContacts[(int)Material.Wood, 0].surface.soft_erp = 0.50f;
583
584 m_materialContacts[(int)Material.Wood, 1] = new d.Contact();
585 m_materialContacts[(int)Material.Wood, 1].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
586 m_materialContacts[(int)Material.Wood, 1].surface.mu = 30f;
587 m_materialContacts[(int)Material.Wood, 1].surface.bounce = 0.1f;
588 m_materialContacts[(int)Material.Wood, 1].surface.soft_cfm = 0.0f;
589 m_materialContacts[(int)Material.Wood, 1].surface.soft_erp = 0.50f;
590
591 m_materialContacts[(int)Material.Flesh, 0] = new d.Contact();
592 m_materialContacts[(int)Material.Flesh, 0].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
593 m_materialContacts[(int)Material.Flesh, 0].surface.mu = 150f;
594 m_materialContacts[(int)Material.Flesh, 0].surface.bounce = 0.0f;
595 m_materialContacts[(int)Material.Flesh, 0].surface.soft_cfm = 0.0f;
596 m_materialContacts[(int)Material.Flesh, 0].surface.soft_erp = 0.50f;
597
598 m_materialContacts[(int)Material.Flesh, 1] = new d.Contact();
599 m_materialContacts[(int)Material.Flesh, 1].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
600 m_materialContacts[(int)Material.Flesh, 1].surface.mu = 100f;
601 m_materialContacts[(int)Material.Flesh, 1].surface.bounce = 0.0f;
602 m_materialContacts[(int)Material.Flesh, 1].surface.soft_cfm = 0.0f;
603 m_materialContacts[(int)Material.Flesh, 1].surface.soft_erp = 0.50f;
604
605 m_materialContacts[(int)Material.Plastic, 0] = new d.Contact();
606 m_materialContacts[(int)Material.Plastic, 0].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
607 m_materialContacts[(int)Material.Plastic, 0].surface.mu = 30f;
608 m_materialContacts[(int)Material.Plastic, 0].surface.bounce = 0.2f;
609 m_materialContacts[(int)Material.Plastic, 0].surface.soft_cfm = 0.0f;
610 m_materialContacts[(int)Material.Plastic, 0].surface.soft_erp = 0.50f;
611
612 m_materialContacts[(int)Material.Plastic, 1] = new d.Contact();
613 m_materialContacts[(int)Material.Plastic, 1].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
614 m_materialContacts[(int)Material.Plastic, 1].surface.mu = 20f;
615 m_materialContacts[(int)Material.Plastic, 1].surface.bounce = 0.2f;
616 m_materialContacts[(int)Material.Plastic, 1].surface.soft_cfm = 0.0f;
617 m_materialContacts[(int)Material.Plastic, 1].surface.soft_erp = 0.50f;
618
619 m_materialContacts[(int)Material.Rubber, 0] = new d.Contact();
620 m_materialContacts[(int)Material.Rubber, 0].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
621 m_materialContacts[(int)Material.Rubber, 0].surface.mu = 150f;
622 m_materialContacts[(int)Material.Rubber, 0].surface.bounce = 0.7f;
623 m_materialContacts[(int)Material.Rubber, 0].surface.soft_cfm = 0.0f;
624 m_materialContacts[(int)Material.Rubber, 0].surface.soft_erp = 0.50f;
625
626 m_materialContacts[(int)Material.Rubber, 1] = new d.Contact();
627 m_materialContacts[(int)Material.Rubber, 1].surface.mode = d.ContactFlags.SoftCFM | d.ContactFlags.SoftERP | d.ContactFlags.Bounce;
628 m_materialContacts[(int)Material.Rubber, 1].surface.mu = 100f;
629 m_materialContacts[(int)Material.Rubber, 1].surface.bounce = 0.7f;
630 m_materialContacts[(int)Material.Rubber, 1].surface.soft_cfm = 0.0f;
631 m_materialContacts[(int)Material.Rubber, 1].surface.soft_erp = 0.50f;
632
633 d.HashSpaceSetLevels(space, worldHashspaceLow, worldHashspaceHigh);
634
635 // Set the gravity,, don't disable things automatically (we set it explicitly on some things)
636
637 d.WorldSetGravity(world, gravityx, gravityy, gravityz);
638 d.WorldSetContactSurfaceLayer(world, contactsurfacelayer);
639
640
641 d.WorldSetLinearDampingThreshold(world, 256f);
642 d.WorldSetLinearDamping(world, 256f);
643// d.WorldSetLinearDampingThreshold(world, 0.01f);
644// d.WorldSetLinearDamping(world, 0.1f);
645 d.WorldSetAngularDampingThreshold(world, 256f);
646 d.WorldSetAngularDamping(world, 256f);
647 d.WorldSetMaxAngularSpeed(world, 256f);
648
649 // Set how many steps we go without running collision testing
650 // This is in addition to the step size.
651 // Essentially Steps * m_physicsiterations
652 d.WorldSetQuickStepNumIterations(world, m_physicsiterations);
653 //d.WorldSetContactMaxCorrectingVel(world, 1000.0f);
654
655
656
657 for (int i = 0; i < staticPrimspace.GetLength(0); i++)
658 {
659 for (int j = 0; j < staticPrimspace.GetLength(1); j++)
660 {
661 staticPrimspace[i, j] = IntPtr.Zero;
662 }
663 }
664 }
665
666 internal void waitForSpaceUnlock(IntPtr space)
667 {
668 //if (space != IntPtr.Zero)
669 //while (d.SpaceLockQuery(space)) { } // Wait and do nothing
670 }
671
672 /// <summary>
673 /// Debug space message for printing the space that a prim/avatar is in.
674 /// </summary>
675 /// <param name="pos"></param>
676 /// <returns>Returns which split up space the given position is in.</returns>
677 public string whichspaceamIin(Vector3 pos)
678 {
679 return calculateSpaceForGeom(pos).ToString();
680 }
681
682 #region Collision Detection
683
684 /// <summary>
685 /// This is our near callback. A geometry is near a body
686 /// </summary>
687 /// <param name="space">The space that contains the geoms. Remember, spaces are also geoms</param>
688 /// <param name="g1">a geometry or space</param>
689 /// <param name="g2">another geometry or space</param>
690 private void near(IntPtr space, IntPtr g1, IntPtr g2)
691 {
692 // no lock here! It's invoked from within Simulate(), which is thread-locked
693
694 // Test if we're colliding a geom with a space.
695 // If so we have to drill down into the space recursively
696//Console.WriteLine("near -----------"); //##
697 if (d.GeomIsSpace(g1) || d.GeomIsSpace(g2))
698 {
699 if (g1 == IntPtr.Zero || g2 == IntPtr.Zero)
700 return;
701
702 // Separating static prim geometry spaces.
703 // We'll be calling near recursivly if one
704 // of them is a space to find all of the
705 // contact points in the space
706 try
707 {
708 d.SpaceCollide2(g1, g2, IntPtr.Zero, nearCallback);
709 }
710 catch (AccessViolationException)
711 {
712 m_log.Warn("[PHYSICS]: Unable to collide test a space");
713 return;
714 }
715 //Colliding a space or a geom with a space or a geom. so drill down
716
717 //Collide all geoms in each space..
718 //if (d.GeomIsSpace(g1)) d.SpaceCollide(g1, IntPtr.Zero, nearCallback);
719 //if (d.GeomIsSpace(g2)) d.SpaceCollide(g2, IntPtr.Zero, nearCallback);
720 return;
721 }
722
723 if (g1 == IntPtr.Zero || g2 == IntPtr.Zero)
724 return;
725
726 IntPtr b1 = d.GeomGetBody(g1);
727 IntPtr b2 = d.GeomGetBody(g2);
728
729 // d.GeomClassID id = d.GeomGetClass(g1);
730
731 String name1 = null;
732 String name2 = null;
733
734 if (!geom_name_map.TryGetValue(g1, out name1))
735 {
736 name1 = "null";
737 }
738 if (!geom_name_map.TryGetValue(g2, out name2))
739 {
740 name2 = "null";
741 }
742
743 //if (id == d.GeomClassId.TriMeshClass)
744 //{
745 // m_log.InfoFormat("near: A collision was detected between {1} and {2}", 0, name1, name2);
746 //m_log.Debug("near: A collision was detected between {1} and {2}", 0, name1, name2);
747 //}
748
749 // Figure out how many contact points we have
750 int count = 0;
751 try
752 {
753 // Colliding Geom To Geom
754 // This portion of the function 'was' blatantly ripped off from BoxStack.cs
755
756 if (g1 == g2)
757 return; // Can't collide with yourself
758
759 if (b1 != IntPtr.Zero && b2 != IntPtr.Zero && d.AreConnectedExcluding(b1, b2, d.JointType.Contact))
760 return;
761
762 lock (contacts)
763 {
764 count = d.Collide(g1, g2, contacts.Length, contacts, d.ContactGeom.SizeOf);
765 if (count > contacts.Length)
766 m_log.Error("[PHYSICS]: Got " + count + " contacts when we asked for a maximum of " + contacts.Length);
767 }
768 }
769 catch (SEHException)
770 {
771 m_log.Error("[PHYSICS]: The Operating system shut down ODE because of corrupt memory. This could be a result of really irregular terrain. If this repeats continuously, restart using Basic Physics and terrain fill your terrain. Restarting the sim.");
772 ode.drelease(world);
773 base.TriggerPhysicsBasedRestart();
774 }
775 catch (Exception e)
776 {
777 m_log.WarnFormat("[PHYSICS]: Unable to collide test an object: {0}", e.Message);
778 return;
779 }
780
781 PhysicsActor p1;
782 PhysicsActor p2;
783
784 if (!actor_name_map.TryGetValue(g1, out p1))
785 {
786 p1 = PANull;
787 }
788
789 if (!actor_name_map.TryGetValue(g2, out p2))
790 {
791 p2 = PANull;
792 }
793
794 ContactPoint maxDepthContact = new ContactPoint();
795 if (p1.CollisionScore + count >= float.MaxValue)
796 p1.CollisionScore = 0;
797 p1.CollisionScore += count;
798
799 if (p2.CollisionScore + count >= float.MaxValue)
800 p2.CollisionScore = 0;
801 p2.CollisionScore += count;
802 for (int i = 0; i < count; i++)
803 {
804 d.ContactGeom curContact = contacts[i];
805
806 if (curContact.depth > maxDepthContact.PenetrationDepth)
807 {
808 maxDepthContact = new ContactPoint(
809 new Vector3(curContact.pos.X, curContact.pos.Y, curContact.pos.Z),
810 new Vector3(curContact.normal.X, curContact.normal.Y, curContact.normal.Z),
811 curContact.depth
812 );
813 }
814
815 //m_log.Warn("[CCOUNT]: " + count);
816 IntPtr joint;
817 // If we're colliding with terrain, use 'TerrainContact' instead of AvatarStaticprimContact.
818 // allows us to have different settings
819
820 // We only need to test p2 for 'jump crouch purposes'
821 if (p2 is OdeCharacter && p1.PhysicsActorType == (int)ActorTypes.Prim)
822 {
823 // Testing if the collision is at the feet of the avatar
824
825 //m_log.DebugFormat("[PHYSICS]: {0} - {1} - {2} - {3}", curContact.pos.Z, p2.Position.Z, (p2.Position.Z - curContact.pos.Z), (p2.Size.Z * 0.6f));
826//#@ if ((p2.Position.Z - curContact.pos.Z) > (p2.Size.Z * 0.6f))
827//#@ p2.IsColliding = true;
828 if ((p2.Position.Z - curContact.pos.Z) > (p2.Size.Z * 0.6f)){ //##
829 p2.IsColliding = true; //##
830 }else{
831
832 } //##
833 }
834 else
835 {
836 p2.IsColliding = true;
837 }
838
839 //if ((framecount % m_returncollisions) == 0)
840
841 switch (p1.PhysicsActorType)
842 {
843 case (int)ActorTypes.Agent:
844 p2.CollidingObj = true;
845 break;
846 case (int)ActorTypes.Prim:
847 if (p2.Velocity.LengthSquared() > 0.0f)
848 p2.CollidingObj = true;
849 break;
850 case (int)ActorTypes.Unknown:
851 p2.CollidingGround = true;
852 break;
853 default:
854 p2.CollidingGround = true;
855 break;
856 }
857
858 // we don't want prim or avatar to explode
859
860 #region InterPenetration Handling - Unintended physics explosions
861# region disabled code1
862
863 if (curContact.depth >= 0.08f)
864 {
865 //This is disabled at the moment only because it needs more tweaking
866 //It will eventually be uncommented
867 /*
868 if (AvatarStaticprimContact.depth >= 1.00f)
869 {
870 //m_log.Debug("[PHYSICS]: " + AvatarStaticprimContact.depth.ToString());
871 }
872
873 //If you interpenetrate a prim with an agent
874 if ((p2.PhysicsActorType == (int) ActorTypes.Agent &&
875 p1.PhysicsActorType == (int) ActorTypes.Prim) ||
876 (p1.PhysicsActorType == (int) ActorTypes.Agent &&
877 p2.PhysicsActorType == (int) ActorTypes.Prim))
878 {
879
880 //AvatarStaticprimContact.depth = AvatarStaticprimContact.depth * 4.15f;
881 /*
882 if (p2.PhysicsActorType == (int) ActorTypes.Agent)
883 {
884 p2.CollidingObj = true;
885 AvatarStaticprimContact.depth = 0.003f;
886 p2.Velocity = p2.Velocity + new PhysicsVector(0, 0, 2.5f);
887 OdeCharacter character = (OdeCharacter) p2;
888 character.SetPidStatus(true);
889 AvatarStaticprimContact.pos = new d.Vector3(AvatarStaticprimContact.pos.X + (p1.Size.X / 2), AvatarStaticprimContact.pos.Y + (p1.Size.Y / 2), AvatarStaticprimContact.pos.Z + (p1.Size.Z / 2));
890
891 }
892 else
893 {
894
895 //AvatarStaticprimContact.depth = 0.0000000f;
896 }
897 if (p1.PhysicsActorType == (int) ActorTypes.Agent)
898 {
899
900 p1.CollidingObj = true;
901 AvatarStaticprimContact.depth = 0.003f;
902 p1.Velocity = p1.Velocity + new PhysicsVector(0, 0, 2.5f);
903 AvatarStaticprimContact.pos = new d.Vector3(AvatarStaticprimContact.pos.X + (p2.Size.X / 2), AvatarStaticprimContact.pos.Y + (p2.Size.Y / 2), AvatarStaticprimContact.pos.Z + (p2.Size.Z / 2));
904 OdeCharacter character = (OdeCharacter)p1;
905 character.SetPidStatus(true);
906 }
907 else
908 {
909
910 //AvatarStaticprimContact.depth = 0.0000000f;
911 }
912
913
914
915 }
916*/
917 // If you interpenetrate a prim with another prim
918 /*
919 if (p1.PhysicsActorType == (int) ActorTypes.Prim && p2.PhysicsActorType == (int) ActorTypes.Prim)
920 {
921 #region disabledcode2
922 //OdePrim op1 = (OdePrim)p1;
923 //OdePrim op2 = (OdePrim)p2;
924 //op1.m_collisionscore++;
925 //op2.m_collisionscore++;
926
927 //if (op1.m_collisionscore > 8000 || op2.m_collisionscore > 8000)
928 //{
929 //op1.m_taintdisable = true;
930 //AddPhysicsActorTaint(p1);
931 //op2.m_taintdisable = true;
932 //AddPhysicsActorTaint(p2);
933 //}
934
935 //if (AvatarStaticprimContact.depth >= 0.25f)
936 //{
937 // Don't collide, one or both prim will expld.
938
939 //op1.m_interpenetrationcount++;
940 //op2.m_interpenetrationcount++;
941 //interpenetrations_before_disable = 200;
942 //if (op1.m_interpenetrationcount >= interpenetrations_before_disable)
943 //{
944 //op1.m_taintdisable = true;
945 //AddPhysicsActorTaint(p1);
946 //}
947 //if (op2.m_interpenetrationcount >= interpenetrations_before_disable)
948 //{
949 // op2.m_taintdisable = true;
950 //AddPhysicsActorTaint(p2);
951 //}
952
953 //AvatarStaticprimContact.depth = AvatarStaticprimContact.depth / 8f;
954 //AvatarStaticprimContact.normal = new d.Vector3(0, 0, 1);
955 //}
956 //if (op1.m_disabled || op2.m_disabled)
957 //{
958 //Manually disabled objects stay disabled
959 //AvatarStaticprimContact.depth = 0f;
960 //}
961 #endregion
962 }
963 */
964#endregion
965 if (curContact.depth >= 1.00f)
966 {
967 //m_log.Info("[P]: " + AvatarStaticprimContact.depth.ToString());
968 if ((p2.PhysicsActorType == (int) ActorTypes.Agent &&
969 p1.PhysicsActorType == (int) ActorTypes.Unknown) ||
970 (p1.PhysicsActorType == (int) ActorTypes.Agent &&
971 p2.PhysicsActorType == (int) ActorTypes.Unknown))
972 {
973 if (p2.PhysicsActorType == (int) ActorTypes.Agent)
974 {
975 if (p2 is OdeCharacter)
976 {
977 OdeCharacter character = (OdeCharacter) p2;
978
979 //p2.CollidingObj = true;
980 curContact.depth = 0.00000003f;
981 p2.Velocity = p2.Velocity + new Vector3(0f, 0f, 0.5f);
982 curContact.pos =
983 new d.Vector3(curContact.pos.X + (p1.Size.X/2),
984 curContact.pos.Y + (p1.Size.Y/2),
985 curContact.pos.Z + (p1.Size.Z/2));
986 character.SetPidStatus(true);
987 }
988 }
989
990
991 if (p1.PhysicsActorType == (int) ActorTypes.Agent)
992 {
993 if (p1 is OdeCharacter)
994 {
995 OdeCharacter character = (OdeCharacter) p1;
996
997 //p2.CollidingObj = true;
998 curContact.depth = 0.00000003f;
999 p1.Velocity = p1.Velocity + new Vector3(0f, 0f, 0.5f);
1000 curContact.pos =
1001 new d.Vector3(curContact.pos.X + (p1.Size.X/2),
1002 curContact.pos.Y + (p1.Size.Y/2),
1003 curContact.pos.Z + (p1.Size.Z/2));
1004 character.SetPidStatus(true);
1005 }
1006 }
1007 }
1008 }
1009 }
1010
1011 #endregion
1012
1013 // Logic for collision handling
1014 // Note, that if *all* contacts are skipped (VolumeDetect)
1015 // The prim still detects (and forwards) collision events but
1016 // appears to be phantom for the world
1017 Boolean skipThisContact = false;
1018
1019 if ((p1 is OdePrim) && (((OdePrim)p1).m_isVolumeDetect))
1020 skipThisContact = true; // No collision on volume detect prims
1021
1022 if (!skipThisContact && (p2 is OdePrim) && (((OdePrim)p2).m_isVolumeDetect))
1023 skipThisContact = true; // No collision on volume detect prims
1024
1025 if (!skipThisContact && curContact.depth < 0f)
1026 skipThisContact = true;
1027
1028 if (!skipThisContact && checkDupe(curContact, p2.PhysicsActorType))
1029 skipThisContact = true;
1030
1031 const int maxContactsbeforedeath = 4000;
1032 joint = IntPtr.Zero;
1033
1034 if (!skipThisContact)
1035 {
1036 // Add contact joints with materials params----------------------------------
1037 // p1 is what is being hit, p2 is the physical object doing the hitting
1038 int material = (int) Material.Wood;
1039 int movintYN = 0; // 1 = Sliding; 0 = static or fell onto
1040 if (Math.Abs(p2.Velocity.X) > 0.01f || Math.Abs(p2.Velocity.Y) > 0.01f) movintYN = 1;
1041
1042 // If we're colliding against terrain
1043 if (name1 == "Terrain" || name2 == "Terrain")
1044 {
1045 // If we're moving
1046 if ((p2.PhysicsActorType == (int) ActorTypes.Agent) && (movintYN == 1))
1047 {
1048 //$ Av walk/run on terrain (not falling) Use the Avatar movement terrain contact
1049 AvatarMovementTerrainContact.geom = curContact;
1050 _perloopContact.Add(curContact);
1051 if (m_global_contactcount < maxContactsbeforedeath)
1052 {
1053 joint = d.JointCreateContact(world, contactgroup, ref AvatarMovementTerrainContact);
1054 m_global_contactcount++;
1055 }
1056 }
1057 else
1058 {
1059 if (p2.PhysicsActorType == (int)ActorTypes.Agent)
1060 {
1061 //$ Av standing on terrain, Use the non moving Avata terrain contact
1062 TerrainContact.geom = curContact;
1063 _perloopContact.Add(curContact);
1064 if (m_global_contactcount < maxContactsbeforedeath)
1065 {
1066 joint = d.JointCreateContact(world, contactgroup, ref TerrainContact);
1067 m_global_contactcount++;
1068 }
1069 }
1070 else
1071 {
1072 if (p2.PhysicsActorType == (int)ActorTypes.Prim && p1.PhysicsActorType == (int)ActorTypes.Prim)
1073 {
1074 //& THIS NEVER HAPPENS? prim prim contact In terrain contact?
1075 // int pj294950 = 0;
1076 // prim terrain contact
1077
1078 if (p2 is OdePrim)
1079 material = ((OdePrim)p2).m_material;
1080 //m_log.DebugFormat("Material: {0}", material);
1081 m_materialContacts[material, movintYN].geom = curContact;
1082 _perloopContact.Add(curContact);
1083
1084 if (m_global_contactcount < maxContactsbeforedeath)
1085 {
1086 joint = d.JointCreateContact(world, contactgroup, ref m_materialContacts[material, movintYN]);
1087 m_global_contactcount++;
1088
1089 }
1090
1091 }
1092 else
1093 {
1094 //$ prim on terrain contact
1095 if (p2 is OdePrim)
1096 material = ((OdePrim)p2).m_material;
1097 //m_log.DebugFormat("Material: {0}", material);
1098 m_materialContacts[material, movintYN].geom = curContact;
1099 _perloopContact.Add(curContact);
1100
1101 ContactCopy = m_materialContacts[material, movintYN];
1102 if(movintYN == 1)
1103 {
1104 // prevent excessive slide on terrain
1105 ContactCopy.surface.mu = m_materialContacts[material, movintYN].surface.mu * 30.0f;
1106 }
1107
1108 if (m_global_contactcount < maxContactsbeforedeath)
1109 {
1110 joint = d.JointCreateContact(world, contactgroup, ref ContactCopy);
1111 m_global_contactcount++;
1112 }
1113 }
1114 }
1115 }
1116 }
1117 else if (name1 == "Water" || name2 == "Water")
1118 {
1119 //$ This never happens! Perhaps water is treated like air?
1120 /*
1121 if ((p2.PhysicsActorType == (int) ActorTypes.Prim))
1122 {
1123 }
1124 else
1125 {
1126 }
1127 */
1128 //WaterContact.surface.soft_cfm = 0.0000f;
1129 //WaterContact.surface.soft_erp = 0.00000f;
1130 if (curContact.depth > 0.1f)
1131 {
1132 curContact.depth *= 52;
1133 //AvatarStaticprimContact.normal = new d.Vector3(0, 0, 1);
1134 //AvatarStaticprimContact.pos = new d.Vector3(0, 0, contact.pos.Z - 5f);
1135 }
1136 WaterContact.geom = curContact;
1137 _perloopContact.Add(curContact);
1138 if (m_global_contactcount < maxContactsbeforedeath)
1139 {
1140 joint = d.JointCreateContact(world, contactgroup, ref WaterContact);
1141 m_global_contactcount++;
1142 }
1143 //m_log.Info("[PHYSICS]: Prim Water Contact" + AvatarStaticprimContact.depth);
1144 }
1145 else
1146 {
1147
1148 // no terrain and no water, we're colliding with prim or avatar
1149 // check if we're moving
1150 if ((p2.PhysicsActorType == (int)ActorTypes.Agent))
1151 {
1152 //$ Avatar on Prim or other Avatar
1153 if (movintYN == 1)
1154 {
1155 // Use the AV Movement / prim contact
1156 AvatarMovementprimContact.geom = curContact;
1157 _perloopContact.Add(curContact);
1158 if (m_global_contactcount < maxContactsbeforedeath)
1159 {
1160 joint = d.JointCreateContact(world, contactgroup, ref AvatarMovementprimContact);
1161 m_global_contactcount++;
1162 }
1163 }
1164 else
1165 {
1166 // Use the Av non movement / prim contact
1167 AvatarStaticprimContact.geom = curContact;
1168 _perloopContact.Add(curContact);
1169 ContactCopy = AvatarStaticprimContact; // local copy so we can change locally
1170
1171 if (m_global_contactcount < maxContactsbeforedeath)
1172 {
1173 if (curContact.depth > 0.2)
1174 { // embedded, eject slowly
1175 ContactCopy.surface.soft_erp = 0.1f;
1176 ContactCopy.surface.soft_cfm = 0.1f;
1177 }
1178 else
1179 { // keep on the surface
1180 ContactCopy.surface.soft_erp = 0.3f;
1181 ContactCopy.surface.soft_cfm = 0.0f;
1182 }
1183 joint = d.JointCreateContact(world, contactgroup, ref ContactCopy);
1184 m_global_contactcount++;
1185 }
1186 }
1187 }
1188 else if (p2.PhysicsActorType == (int)ActorTypes.Prim)
1189 {
1190 //$ Prim on Prim
1191 //p1.PhysicsActorType
1192
1193 if (p2 is OdePrim) material = ((OdePrim)p2).m_material;
1194 //m_log.DebugFormat("Material: {0}", material);
1195
1196 m_materialContacts[material, movintYN].geom = curContact;
1197 _perloopContact.Add(curContact);
1198
1199 if (m_global_contactcount < maxContactsbeforedeath)
1200 {
1201 joint = d.JointCreateContact(world, contactgroup, ref m_materialContacts[material, movintYN]);
1202 m_global_contactcount++;
1203 }
1204 }
1205 }
1206
1207 if (m_global_contactcount < maxContactsbeforedeath && joint != IntPtr.Zero) // stack collide!
1208 {
1209 d.JointAttach(joint, b1, b2);
1210 m_global_contactcount++;
1211 }
1212
1213 }
1214 collision_accounting_events(p1, p2, maxDepthContact);
1215 if (count > geomContactPointsStartthrottle)
1216 {
1217 // If there are more then 3 contact points, it's likely
1218 // that we've got a pile of objects, so ...
1219 // We don't want to send out hundreds of terse updates over and over again
1220 // so lets throttle them and send them again after it's somewhat sorted out.
1221 p2.ThrottleUpdates = true;
1222 }
1223 //m_log.Debug(count.ToString());
1224 //m_log.Debug("near: A collision was detected between {1} and {2}", 0, name1, name2);
1225 } // end for i.. loop
1226 } // end near
1227
1228 private bool checkDupe(d.ContactGeom contactGeom, int atype)
1229 {
1230 bool result = false;
1231 //return result;
1232 if (!m_filterCollisions)
1233 return false;
1234
1235 ActorTypes at = (ActorTypes)atype;
1236 lock (_perloopContact)
1237 {
1238 foreach (d.ContactGeom contact in _perloopContact)
1239 {
1240 //if ((contact.g1 == contactGeom.g1 && contact.g2 == contactGeom.g2))
1241 //{
1242 // || (contact.g2 == contactGeom.g1 && contact.g1 == contactGeom.g2)
1243 if (at == ActorTypes.Agent)
1244 {
1245 if (((Math.Abs(contactGeom.normal.X - contact.normal.X) < 1.026f) && (Math.Abs(contactGeom.normal.Y - contact.normal.Y) < 0.303f) && (Math.Abs(contactGeom.normal.Z - contact.normal.Z) < 0.065f)) && contactGeom.g1 != LandGeom && contactGeom.g2 != LandGeom)
1246 {
1247
1248 if (Math.Abs(contact.depth - contactGeom.depth) < 0.052f)
1249 {
1250 //contactGeom.depth *= .00005f;
1251 //m_log.DebugFormat("[Collsion]: Depth {0}", Math.Abs(contact.depth - contactGeom.depth));
1252 // m_log.DebugFormat("[Collision]: <{0},{1},{2}>", Math.Abs(contactGeom.normal.X - contact.normal.X), Math.Abs(contactGeom.normal.Y - contact.normal.Y), Math.Abs(contactGeom.normal.Z - contact.normal.Z));
1253 result = true;
1254 break;
1255 }
1256 else
1257 {
1258 //m_log.DebugFormat("[Collsion]: Depth {0}", Math.Abs(contact.depth - contactGeom.depth));
1259 }
1260 }
1261 else
1262 {
1263 //m_log.DebugFormat("[Collision]: <{0},{1},{2}>", Math.Abs(contactGeom.normal.X - contact.normal.X), Math.Abs(contactGeom.normal.Y - contact.normal.Y), Math.Abs(contactGeom.normal.Z - contact.normal.Z));
1264 //int i = 0;
1265 }
1266 }
1267 else if (at == ActorTypes.Prim)
1268 {
1269 //d.AABB aabb1 = new d.AABB();
1270 //d.AABB aabb2 = new d.AABB();
1271
1272 //d.GeomGetAABB(contactGeom.g2, out aabb2);
1273 //d.GeomGetAABB(contactGeom.g1, out aabb1);
1274 //aabb1.
1275 if (((Math.Abs(contactGeom.normal.X - contact.normal.X) < 1.026f) && (Math.Abs(contactGeom.normal.Y - contact.normal.Y) < 0.303f) && (Math.Abs(contactGeom.normal.Z - contact.normal.Z) < 0.065f)) && contactGeom.g1 != LandGeom && contactGeom.g2 != LandGeom)
1276 {
1277 if (contactGeom.normal.X == contact.normal.X && contactGeom.normal.Y == contact.normal.Y && contactGeom.normal.Z == contact.normal.Z)
1278 {
1279 if (Math.Abs(contact.depth - contactGeom.depth) < 0.272f)
1280 {
1281 result = true;
1282 break;
1283 }
1284 }
1285 //m_log.DebugFormat("[Collsion]: Depth {0}", Math.Abs(contact.depth - contactGeom.depth));
1286 //m_log.DebugFormat("[Collision]: <{0},{1},{2}>", Math.Abs(contactGeom.normal.X - contact.normal.X), Math.Abs(contactGeom.normal.Y - contact.normal.Y), Math.Abs(contactGeom.normal.Z - contact.normal.Z));
1287 }
1288
1289 }
1290
1291 //}
1292
1293 }
1294 }
1295 return result;
1296 }
1297
1298 private void collision_accounting_events(PhysicsActor p1, PhysicsActor p2, ContactPoint contact)
1299 {
1300 // obj1LocalID = 0;
1301 //returncollisions = false;
1302 obj2LocalID = 0;
1303 //ctype = 0;
1304 //cStartStop = 0;
1305 if (!p2.SubscribedEvents() && !p1.SubscribedEvents())
1306 return;
1307
1308 switch ((ActorTypes)p2.PhysicsActorType)
1309 {
1310 case ActorTypes.Agent:
1311 cc2 = (OdeCharacter)p2;
1312
1313 // obj1LocalID = cc2.m_localID;
1314 switch ((ActorTypes)p1.PhysicsActorType)
1315 {
1316 case ActorTypes.Agent:
1317 cc1 = (OdeCharacter)p1;
1318 obj2LocalID = cc1.m_localID;
1319 cc1.AddCollisionEvent(cc2.m_localID, contact);
1320 //ctype = (int)CollisionCategories.Character;
1321
1322 //if (cc1.CollidingObj)
1323 //cStartStop = (int)StatusIndicators.Generic;
1324 //else
1325 //cStartStop = (int)StatusIndicators.Start;
1326
1327 //returncollisions = true;
1328 break;
1329 case ActorTypes.Prim:
1330 if (p1 is OdePrim)
1331 {
1332 cp1 = (OdePrim) p1;
1333 obj2LocalID = cp1.m_localID;
1334 cp1.AddCollisionEvent(cc2.m_localID, contact);
1335 }
1336 //ctype = (int)CollisionCategories.Geom;
1337
1338 //if (cp1.CollidingObj)
1339 //cStartStop = (int)StatusIndicators.Generic;
1340 //else
1341 //cStartStop = (int)StatusIndicators.Start;
1342
1343 //returncollisions = true;
1344 break;
1345
1346 case ActorTypes.Ground:
1347 case ActorTypes.Unknown:
1348 obj2LocalID = 0;
1349 //ctype = (int)CollisionCategories.Land;
1350 //returncollisions = true;
1351 break;
1352 }
1353
1354 cc2.AddCollisionEvent(obj2LocalID, contact);
1355 break;
1356 case ActorTypes.Prim:
1357
1358 if (p2 is OdePrim)
1359 {
1360 cp2 = (OdePrim) p2;
1361
1362 // obj1LocalID = cp2.m_localID;
1363 switch ((ActorTypes) p1.PhysicsActorType)
1364 {
1365 case ActorTypes.Agent:
1366 if (p1 is OdeCharacter)
1367 {
1368 cc1 = (OdeCharacter) p1;
1369 obj2LocalID = cc1.m_localID;
1370 cc1.AddCollisionEvent(cp2.m_localID, contact);
1371 //ctype = (int)CollisionCategories.Character;
1372
1373 //if (cc1.CollidingObj)
1374 //cStartStop = (int)StatusIndicators.Generic;
1375 //else
1376 //cStartStop = (int)StatusIndicators.Start;
1377 //returncollisions = true;
1378 }
1379 break;
1380 case ActorTypes.Prim:
1381
1382 if (p1 is OdePrim)
1383 {
1384 cp1 = (OdePrim) p1;
1385 obj2LocalID = cp1.m_localID;
1386 cp1.AddCollisionEvent(cp2.m_localID, contact);
1387 //ctype = (int)CollisionCategories.Geom;
1388
1389 //if (cp1.CollidingObj)
1390 //cStartStop = (int)StatusIndicators.Generic;
1391 //else
1392 //cStartStop = (int)StatusIndicators.Start;
1393
1394 //returncollisions = true;
1395 }
1396 break;
1397
1398 case ActorTypes.Ground:
1399 case ActorTypes.Unknown:
1400 obj2LocalID = 0;
1401 //ctype = (int)CollisionCategories.Land;
1402
1403 //returncollisions = true;
1404 break;
1405 }
1406
1407 cp2.AddCollisionEvent(obj2LocalID, contact);
1408 }
1409 break;
1410 }
1411 //if (returncollisions)
1412 //{
1413
1414 //lock (m_storedCollisions)
1415 //{
1416 //cDictKey = obj1LocalID.ToString() + obj2LocalID.ToString() + cStartStop.ToString() + ctype.ToString();
1417 //if (m_storedCollisions.ContainsKey(cDictKey))
1418 //{
1419 //sCollisionData objd = m_storedCollisions[cDictKey];
1420 //objd.NumberOfCollisions += 1;
1421 //objd.lastframe = framecount;
1422 //m_storedCollisions[cDictKey] = objd;
1423 //}
1424 //else
1425 //{
1426 //sCollisionData objd = new sCollisionData();
1427 //objd.ColliderLocalId = obj1LocalID;
1428 //objd.CollidedWithLocalId = obj2LocalID;
1429 //objd.CollisionType = ctype;
1430 //objd.NumberOfCollisions = 1;
1431 //objd.lastframe = framecount;
1432 //objd.StatusIndicator = cStartStop;
1433 //m_storedCollisions.Add(cDictKey, objd);
1434 //}
1435 //}
1436 // }
1437 }
1438
1439 public int TriArrayCallback(IntPtr trimesh, IntPtr refObject, int[] triangleIndex, int triCount)
1440 {
1441 /* String name1 = null;
1442 String name2 = null;
1443
1444 if (!geom_name_map.TryGetValue(trimesh, out name1))
1445 {
1446 name1 = "null";
1447 }
1448 if (!geom_name_map.TryGetValue(refObject, out name2))
1449 {
1450 name2 = "null";
1451 }
1452
1453 m_log.InfoFormat("TriArrayCallback: A collision was detected between {1} and {2}", 0, name1, name2);
1454 */
1455 return 1;
1456 }
1457
1458 public int TriCallback(IntPtr trimesh, IntPtr refObject, int triangleIndex)
1459 {
1460 String name1 = null;
1461 String name2 = null;
1462
1463 if (!geom_name_map.TryGetValue(trimesh, out name1))
1464 {
1465 name1 = "null";
1466 }
1467
1468 if (!geom_name_map.TryGetValue(refObject, out name2))
1469 {
1470 name2 = "null";
1471 }
1472
1473 // m_log.InfoFormat("TriCallback: A collision was detected between {1} and {2}. Index was {3}", 0, name1, name2, triangleIndex);
1474
1475 d.Vector3 v0 = new d.Vector3();
1476 d.Vector3 v1 = new d.Vector3();
1477 d.Vector3 v2 = new d.Vector3();
1478
1479 d.GeomTriMeshGetTriangle(trimesh, 0, ref v0, ref v1, ref v2);
1480 // m_log.DebugFormat("Triangle {0} is <{1},{2},{3}>, <{4},{5},{6}>, <{7},{8},{9}>", triangleIndex, v0.X, v0.Y, v0.Z, v1.X, v1.Y, v1.Z, v2.X, v2.Y, v2.Z);
1481
1482 return 1;
1483 }
1484
1485 /// <summary>
1486 /// This is our collision testing routine in ODE
1487 /// </summary>
1488 /// <param name="timeStep"></param>
1489 private void collision_optimized(float timeStep)
1490 {
1491 _perloopContact.Clear();
1492
1493 lock (_characters)
1494 {
1495 foreach (OdeCharacter chr in _characters)
1496 {
1497 // Reset the collision values to false
1498 // since we don't know if we're colliding yet
1499
1500 // For some reason this can happen. Don't ask...
1501 //
1502 if (chr == null)
1503 continue;
1504
1505 if (chr.Shell == IntPtr.Zero || chr.Body == IntPtr.Zero)
1506 continue;
1507
1508 chr.IsColliding = false;
1509 chr.CollidingGround = false;
1510 chr.CollidingObj = false;
1511
1512 // test the avatar's geometry for collision with the space
1513 // This will return near and the space that they are the closest to
1514 // And we'll run this again against the avatar and the space segment
1515 // This will return with a bunch of possible objects in the space segment
1516 // and we'll run it again on all of them.
1517 try
1518 {
1519 d.SpaceCollide2(space, chr.Shell, IntPtr.Zero, nearCallback);
1520 }
1521 catch (AccessViolationException)
1522 {
1523 m_log.Warn("[PHYSICS]: Unable to space collide");
1524 }
1525 //float terrainheight = GetTerrainHeightAtXY(chr.Position.X, chr.Position.Y);
1526 //if (chr.Position.Z + (chr.Velocity.Z * timeStep) < terrainheight + 10)
1527 //{
1528 //chr.Position.Z = terrainheight + 10.0f;
1529 //forcedZ = true;
1530 //}
1531 }
1532 }
1533
1534 lock (_activeprims)
1535 {
1536 List<OdePrim> removeprims = null;
1537 foreach (OdePrim chr in _activeprims)
1538 {
1539 if (chr.Body != IntPtr.Zero && d.BodyIsEnabled(chr.Body) && (!chr.m_disabled) && !chr.m_outofBounds)
1540 {
1541 try
1542 {
1543 lock (chr)
1544 {
1545 if (space != IntPtr.Zero && chr.prim_geom != IntPtr.Zero && chr.m_taintremove == false)
1546 {
1547 d.SpaceCollide2(space, chr.prim_geom, IntPtr.Zero, nearCallback);
1548 }
1549 else
1550 {
1551 if (removeprims == null)
1552 {
1553 removeprims = new List<OdePrim>();
1554 }
1555 removeprims.Add(chr);
1556 /// Commented this because it triggers on every bullet
1557 //m_log.Debug("[PHYSICS]: unable to collide test active prim against space. The space was zero, the geom was zero or it was in the process of being removed. Removed it from the active prim list. This needs to be fixed!");
1558 }
1559 }
1560 }
1561 catch (AccessViolationException)
1562 {
1563 m_log.Warn("[PHYSICS]: Unable to space collide");
1564 }
1565 }
1566 }
1567 if (removeprims != null)
1568 {
1569 foreach (OdePrim chr in removeprims)
1570 {
1571 _activeprims.Remove(chr);
1572 }
1573 }
1574 }
1575
1576 _perloopContact.Clear();
1577 }
1578
1579 #endregion
1580
1581 public override void Combine(PhysicsScene pScene, Vector3 offset, Vector3 extents)
1582 {
1583 m_worldOffset = offset;
1584 WorldExtents = new Vector2(extents.X, extents.Y);
1585 m_parentScene = pScene;
1586
1587 }
1588
1589 // Recovered for use by fly height. Kitto Flora
1590 public float GetTerrainHeightAtXY(float x, float y)
1591 {
1592
1593 int offsetX = ((int)(x / (int)Constants.RegionSize)) * (int)Constants.RegionSize;
1594 int offsetY = ((int)(y / (int)Constants.RegionSize)) * (int)Constants.RegionSize;
1595
1596 IntPtr heightFieldGeom = IntPtr.Zero;
1597
1598 if (RegionTerrain.TryGetValue(new Vector3(offsetX,offsetY,0), out heightFieldGeom))
1599 {
1600 if (heightFieldGeom != IntPtr.Zero)
1601 {
1602 if (TerrainHeightFieldHeights.ContainsKey(heightFieldGeom))
1603 {
1604
1605 int index;
1606
1607
1608 if ((int)x > WorldExtents.X || (int)y > WorldExtents.Y ||
1609 (int)x < 0.001f || (int)y < 0.001f)
1610 return 0;
1611
1612 x = x - offsetX;
1613 y = y - offsetY;
1614
1615 index = (int)((int)x * ((int)Constants.RegionSize + 2) + (int)y);
1616
1617 if (index < TerrainHeightFieldHeights[heightFieldGeom].Length)
1618 {
1619 //m_log.DebugFormat("x{0} y{1} = {2}", x, y, (float)TerrainHeightFieldHeights[heightFieldGeom][index]);
1620 return (float)TerrainHeightFieldHeights[heightFieldGeom][index];
1621 }
1622
1623 else
1624 return 0f;
1625 }
1626 else
1627 {
1628 return 0f;
1629 }
1630
1631 }
1632 else
1633 {
1634 return 0f;
1635 }
1636
1637 }
1638 else
1639 {
1640 return 0f;
1641 }
1642
1643
1644 }
1645// End recovered. Kitto Flora
1646
1647 public void addCollisionEventReporting(PhysicsActor obj)
1648 {
1649 lock (_collisionEventPrim)
1650 {
1651 if (!_collisionEventPrim.Contains(obj))
1652 _collisionEventPrim.Add(obj);
1653 }
1654 }
1655
1656 public void remCollisionEventReporting(PhysicsActor obj)
1657 {
1658 lock (_collisionEventPrim)
1659 {
1660 if (!_collisionEventPrim.Contains(obj))
1661 _collisionEventPrim.Remove(obj);
1662 }
1663 }
1664
1665 #region Add/Remove Entities
1666
1667 public override PhysicsActor AddAvatar(string avName, Vector3 position, Vector3 size, bool isFlying)
1668 {
1669 Vector3 pos;
1670 pos.X = position.X;
1671 pos.Y = position.Y;
1672 pos.Z = position.Z;
1673 OdeCharacter newAv = new OdeCharacter(avName, this, pos, ode, size, avPIDD, avPIDP, avCapRadius, avStandupTensor, avDensity, avHeightFudgeFactor, avMovementDivisorWalk, avMovementDivisorRun);
1674 newAv.Flying = isFlying;
1675 newAv.MinimumGroundFlightOffset = minimumGroundFlightOffset;
1676
1677 return newAv;
1678 }
1679
1680 public void AddCharacter(OdeCharacter chr)
1681 {
1682 lock (_characters)
1683 {
1684 if (!_characters.Contains(chr))
1685 {
1686 _characters.Add(chr);
1687 if (chr.bad)
1688 m_log.DebugFormat("[PHYSICS] Added BAD actor {0} to characters list", chr.m_uuid);
1689 }
1690 }
1691 }
1692
1693 public void RemoveCharacter(OdeCharacter chr)
1694 {
1695 lock (_characters)
1696 {
1697 if (_characters.Contains(chr))
1698 {
1699 _characters.Remove(chr);
1700 }
1701 }
1702 }
1703 public void BadCharacter(OdeCharacter chr)
1704 {
1705 lock (_badCharacter)
1706 {
1707 if (!_badCharacter.Contains(chr))
1708 _badCharacter.Add(chr);
1709 }
1710 }
1711
1712 public override void RemoveAvatar(PhysicsActor actor)
1713 {
1714 //m_log.Debug("[PHYSICS]:ODELOCK");
1715 ((OdeCharacter) actor).Destroy();
1716
1717 }
1718
1719 private PhysicsActor AddPrim(String name, Vector3 position, Vector3 size, Quaternion rotation,
1720 IMesh mesh, PrimitiveBaseShape pbs, bool isphysical, uint localid)
1721 {
1722
1723 Vector3 pos = position;
1724 Vector3 siz = size;
1725 Quaternion rot = rotation;
1726
1727 OdePrim newPrim;
1728 lock (OdeLock)
1729 {
1730 newPrim = new OdePrim(name, this, pos, siz, rot, mesh, pbs, isphysical, ode, localid);
1731
1732 lock (_prims)
1733 _prims.Add(newPrim);
1734 }
1735
1736 return newPrim;
1737 }
1738
1739 private PhysicsActor AddPrim(String name, Vector3 position, PhysicsActor parent,
1740 PrimitiveBaseShape pbs, uint localid, byte[] sdata)
1741 {
1742 Vector3 pos = position;
1743
1744 OdePrim newPrim;
1745 lock (OdeLock)
1746 {
1747 newPrim = new OdePrim(name, this, pos, parent, pbs, ode, localid, sdata);
1748 lock (_prims)
1749 _prims.Add(newPrim);
1750 }
1751
1752 return newPrim;
1753 }
1754
1755
1756 public void addActivePrim(OdePrim activatePrim)
1757 {
1758 // adds active prim.. (ones that should be iterated over in collisions_optimized
1759 lock (_activeprims)
1760 {
1761 if (!_activeprims.Contains(activatePrim))
1762 _activeprims.Add(activatePrim);
1763 //else
1764 // m_log.Warn("[PHYSICS]: Double Entry in _activeprims detected, potential crash immenent");
1765 }
1766 }
1767
1768 public override PhysicsActor AddPrimShape(string primName, PrimitiveBaseShape pbs, Vector3 position,
1769 Vector3 size, Quaternion rotation, bool isPhysical, uint localid)
1770 {
1771 PhysicsActor result;
1772 IMesh mesh = null;
1773
1774 if (needsMeshing(pbs))
1775 mesh = mesher.CreateMesh(primName, pbs, size, 32f, isPhysical);
1776
1777 result = AddPrim(primName, position, size, rotation, mesh, pbs, isPhysical, localid);
1778
1779 return result;
1780 }
1781
1782 public override PhysicsActor AddPrimShape(string primName, PhysicsActor parent, PrimitiveBaseShape pbs, Vector3 position,
1783 uint localid, byte[] sdata)
1784 {
1785 PhysicsActor result;
1786
1787 result = AddPrim(primName, position, parent,
1788 pbs, localid, sdata);
1789
1790 return result;
1791 }
1792
1793 public override float TimeDilation
1794 {
1795 get { return m_timeDilation; }
1796 }
1797
1798 public override bool SupportsNINJAJoints
1799 {
1800 get { return m_NINJA_physics_joints_enabled; }
1801 }
1802
1803 // internal utility function: must be called within a lock (OdeLock)
1804 private void InternalAddActiveJoint(PhysicsJoint joint)
1805 {
1806 activeJoints.Add(joint);
1807 SOPName_to_activeJoint.Add(joint.ObjectNameInScene, joint);
1808 }
1809
1810 // internal utility function: must be called within a lock (OdeLock)
1811 private void InternalAddPendingJoint(OdePhysicsJoint joint)
1812 {
1813 pendingJoints.Add(joint);
1814 SOPName_to_pendingJoint.Add(joint.ObjectNameInScene, joint);
1815 }
1816
1817 // internal utility function: must be called within a lock (OdeLock)
1818 private void InternalRemovePendingJoint(PhysicsJoint joint)
1819 {
1820 pendingJoints.Remove(joint);
1821 SOPName_to_pendingJoint.Remove(joint.ObjectNameInScene);
1822 }
1823
1824 // internal utility function: must be called within a lock (OdeLock)
1825 private void InternalRemoveActiveJoint(PhysicsJoint joint)
1826 {
1827 activeJoints.Remove(joint);
1828 SOPName_to_activeJoint.Remove(joint.ObjectNameInScene);
1829 }
1830
1831 public override void DumpJointInfo()
1832 {
1833 string hdr = "[NINJA] JOINTINFO: ";
1834 foreach (PhysicsJoint j in pendingJoints)
1835 {
1836 m_log.Debug(hdr + " pending joint, Name: " + j.ObjectNameInScene + " raw parms:" + j.RawParams);
1837 }
1838 m_log.Debug(hdr + pendingJoints.Count + " total pending joints");
1839 foreach (string jointName in SOPName_to_pendingJoint.Keys)
1840 {
1841 m_log.Debug(hdr + " pending joints dict contains Name: " + jointName);
1842 }
1843 m_log.Debug(hdr + SOPName_to_pendingJoint.Keys.Count + " total pending joints dict entries");
1844 foreach (PhysicsJoint j in activeJoints)
1845 {
1846 m_log.Debug(hdr + " active joint, Name: " + j.ObjectNameInScene + " raw parms:" + j.RawParams);
1847 }
1848 m_log.Debug(hdr + activeJoints.Count + " total active joints");
1849 foreach (string jointName in SOPName_to_activeJoint.Keys)
1850 {
1851 m_log.Debug(hdr + " active joints dict contains Name: " + jointName);
1852 }
1853 m_log.Debug(hdr + SOPName_to_activeJoint.Keys.Count + " total active joints dict entries");
1854
1855 m_log.Debug(hdr + " Per-body joint connectivity information follows.");
1856 m_log.Debug(hdr + joints_connecting_actor.Keys.Count + " bodies are connected by joints.");
1857 foreach (string actorName in joints_connecting_actor.Keys)
1858 {
1859 m_log.Debug(hdr + " Actor " + actorName + " has the following joints connecting it");
1860 foreach (PhysicsJoint j in joints_connecting_actor[actorName])
1861 {
1862 m_log.Debug(hdr + " * joint Name: " + j.ObjectNameInScene + " raw parms:" + j.RawParams);
1863 }
1864 m_log.Debug(hdr + joints_connecting_actor[actorName].Count + " connecting joints total for this actor");
1865 }
1866 }
1867
1868 public override void RequestJointDeletion(string ObjectNameInScene)
1869 {
1870 lock (externalJointRequestsLock)
1871 {
1872 if (!requestedJointsToBeDeleted.Contains(ObjectNameInScene)) // forbid same deletion request from entering twice to prevent spurious deletions processed asynchronously
1873 {
1874 requestedJointsToBeDeleted.Add(ObjectNameInScene);
1875 }
1876 }
1877 }
1878
1879 private void DeleteRequestedJoints()
1880 {
1881 List<string> myRequestedJointsToBeDeleted;
1882 lock (externalJointRequestsLock)
1883 {
1884 // make a local copy of the shared list for processing (threading issues)
1885 myRequestedJointsToBeDeleted = new List<string>(requestedJointsToBeDeleted);
1886 }
1887
1888 foreach (string jointName in myRequestedJointsToBeDeleted)
1889 {
1890 lock (OdeLock)
1891 {
1892 //m_log.Debug("[NINJA] trying to deleting requested joint " + jointName);
1893 if (SOPName_to_activeJoint.ContainsKey(jointName) || SOPName_to_pendingJoint.ContainsKey(jointName))
1894 {
1895 OdePhysicsJoint joint = null;
1896 if (SOPName_to_activeJoint.ContainsKey(jointName))
1897 {
1898 joint = SOPName_to_activeJoint[jointName] as OdePhysicsJoint;
1899 InternalRemoveActiveJoint(joint);
1900 }
1901 else if (SOPName_to_pendingJoint.ContainsKey(jointName))
1902 {
1903 joint = SOPName_to_pendingJoint[jointName] as OdePhysicsJoint;
1904 InternalRemovePendingJoint(joint);
1905 }
1906
1907 if (joint != null)
1908 {
1909 //m_log.Debug("joint.BodyNames.Count is " + joint.BodyNames.Count + " and contents " + joint.BodyNames);
1910 for (int iBodyName = 0; iBodyName < 2; iBodyName++)
1911 {
1912 string bodyName = joint.BodyNames[iBodyName];
1913 if (bodyName != "NULL")
1914 {
1915 joints_connecting_actor[bodyName].Remove(joint);
1916 if (joints_connecting_actor[bodyName].Count == 0)
1917 {
1918 joints_connecting_actor.Remove(bodyName);
1919 }
1920 }
1921 }
1922
1923 DoJointDeactivated(joint);
1924 if (joint.jointID != IntPtr.Zero)
1925 {
1926 d.JointDestroy(joint.jointID);
1927 joint.jointID = IntPtr.Zero;
1928 //DoJointErrorMessage(joint, "successfully destroyed joint " + jointName);
1929 }
1930 else
1931 {
1932 //m_log.Warn("[NINJA] Ignoring re-request to destroy joint " + jointName);
1933 }
1934 }
1935 else
1936 {
1937 // DoJointErrorMessage(joint, "coult not find joint to destroy based on name " + jointName);
1938 }
1939 }
1940 else
1941 {
1942 // DoJointErrorMessage(joint, "WARNING - joint removal failed, joint " + jointName);
1943 }
1944 }
1945 }
1946
1947 // remove processed joints from the shared list
1948 lock (externalJointRequestsLock)
1949 {
1950 foreach (string jointName in myRequestedJointsToBeDeleted)
1951 {
1952 requestedJointsToBeDeleted.Remove(jointName);
1953 }
1954 }
1955 }
1956
1957 // for pending joints we don't know if their associated bodies exist yet or not.
1958 // the joint is actually created during processing of the taints
1959 private void CreateRequestedJoints()
1960 {
1961 List<PhysicsJoint> myRequestedJointsToBeCreated;
1962 lock (externalJointRequestsLock)
1963 {
1964 // make a local copy of the shared list for processing (threading issues)
1965 myRequestedJointsToBeCreated = new List<PhysicsJoint>(requestedJointsToBeCreated);
1966 }
1967
1968 foreach (PhysicsJoint joint in myRequestedJointsToBeCreated)
1969 {
1970 lock (OdeLock)
1971 {
1972 if (SOPName_to_pendingJoint.ContainsKey(joint.ObjectNameInScene) && SOPName_to_pendingJoint[joint.ObjectNameInScene] != null)
1973 {
1974 DoJointErrorMessage(joint, "WARNING: ignoring request to re-add already pending joint Name:" + joint.ObjectNameInScene + " type:" + joint.Type + " parms: " + joint.RawParams + " pos: " + joint.Position + " rot:" + joint.Rotation);
1975 continue;
1976 }
1977 if (SOPName_to_activeJoint.ContainsKey(joint.ObjectNameInScene) && SOPName_to_activeJoint[joint.ObjectNameInScene] != null)
1978 {
1979 DoJointErrorMessage(joint, "WARNING: ignoring request to re-add already active joint Name:" + joint.ObjectNameInScene + " type:" + joint.Type + " parms: " + joint.RawParams + " pos: " + joint.Position + " rot:" + joint.Rotation);
1980 continue;
1981 }
1982
1983 InternalAddPendingJoint(joint as OdePhysicsJoint);
1984
1985 if (joint.BodyNames.Count >= 2)
1986 {
1987 for (int iBodyName = 0; iBodyName < 2; iBodyName++)
1988 {
1989 string bodyName = joint.BodyNames[iBodyName];
1990 if (bodyName != "NULL")
1991 {
1992 if (!joints_connecting_actor.ContainsKey(bodyName))
1993 {
1994 joints_connecting_actor.Add(bodyName, new List<PhysicsJoint>());
1995 }
1996 joints_connecting_actor[bodyName].Add(joint);
1997 }
1998 }
1999 }
2000 }
2001 }
2002
2003 // remove processed joints from shared list
2004 lock (externalJointRequestsLock)
2005 {
2006 foreach (PhysicsJoint joint in myRequestedJointsToBeCreated)
2007 {
2008 requestedJointsToBeCreated.Remove(joint);
2009 }
2010 }
2011
2012 }
2013
2014 // public function to add an request for joint creation
2015 // this joint will just be added to a waiting list that is NOT processed during the main
2016 // Simulate() loop (to avoid deadlocks). After Simulate() is finished, we handle unprocessed joint requests.
2017
2018 public override PhysicsJoint RequestJointCreation(string objectNameInScene, PhysicsJointType jointType, Vector3 position,
2019 Quaternion rotation, string parms, List<string> bodyNames, string trackedBodyName, Quaternion localRotation)
2020
2021 {
2022
2023 OdePhysicsJoint joint = new OdePhysicsJoint();
2024 joint.ObjectNameInScene = objectNameInScene;
2025 joint.Type = jointType;
2026 joint.Position = position;
2027 joint.Rotation = rotation;
2028 joint.RawParams = parms;
2029 joint.BodyNames = new List<string>(bodyNames);
2030 joint.TrackedBodyName = trackedBodyName;
2031 joint.LocalRotation = localRotation;
2032 joint.jointID = IntPtr.Zero;
2033 joint.ErrorMessageCount = 0;
2034
2035 lock (externalJointRequestsLock)
2036 {
2037 if (!requestedJointsToBeCreated.Contains(joint)) // forbid same creation request from entering twice
2038 {
2039 requestedJointsToBeCreated.Add(joint);
2040 }
2041 }
2042 return joint;
2043 }
2044
2045 private void RemoveAllJointsConnectedToActor(PhysicsActor actor)
2046 {
2047 //m_log.Debug("RemoveAllJointsConnectedToActor: start");
2048 if (actor.SOPName != null && joints_connecting_actor.ContainsKey(actor.SOPName) && joints_connecting_actor[actor.SOPName] != null)
2049 {
2050
2051 List<PhysicsJoint> jointsToRemove = new List<PhysicsJoint>();
2052 //TODO: merge these 2 loops (originally it was needed to avoid altering a list being iterated over, but it is no longer needed due to the joint request queue mechanism)
2053 foreach (PhysicsJoint j in joints_connecting_actor[actor.SOPName])
2054 {
2055 jointsToRemove.Add(j);
2056 }
2057 foreach (PhysicsJoint j in jointsToRemove)
2058 {
2059 //m_log.Debug("RemoveAllJointsConnectedToActor: about to request deletion of " + j.ObjectNameInScene);
2060 RequestJointDeletion(j.ObjectNameInScene);
2061 //m_log.Debug("RemoveAllJointsConnectedToActor: done request deletion of " + j.ObjectNameInScene);
2062 j.TrackedBodyName = null; // *IMMEDIATELY* prevent any further movement of this joint (else a deleted actor might cause spurious tracking motion of the joint for a few frames, leading to the joint proxy object disappearing)
2063 }
2064 }
2065 }
2066
2067 public override void RemoveAllJointsConnectedToActorThreadLocked(PhysicsActor actor)
2068 {
2069 //m_log.Debug("RemoveAllJointsConnectedToActorThreadLocked: start");
2070 lock (OdeLock)
2071 {
2072 //m_log.Debug("RemoveAllJointsConnectedToActorThreadLocked: got lock");
2073 RemoveAllJointsConnectedToActor(actor);
2074 }
2075 }
2076
2077 // normally called from within OnJointMoved, which is called from within a lock (OdeLock)
2078 public override Vector3 GetJointAnchor(PhysicsJoint joint)
2079 {
2080 Debug.Assert(joint.IsInPhysicsEngine);
2081 d.Vector3 pos = new d.Vector3();
2082
2083 if (!(joint is OdePhysicsJoint))
2084 {
2085 DoJointErrorMessage(joint, "warning: non-ODE joint requesting anchor: " + joint.ObjectNameInScene);
2086 }
2087 else
2088 {
2089 OdePhysicsJoint odeJoint = (OdePhysicsJoint)joint;
2090 switch (odeJoint.Type)
2091 {
2092 case PhysicsJointType.Ball:
2093 d.JointGetBallAnchor(odeJoint.jointID, out pos);
2094 break;
2095 case PhysicsJointType.Hinge:
2096 d.JointGetHingeAnchor(odeJoint.jointID, out pos);
2097 break;
2098 }
2099 }
2100 return new Vector3(pos.X, pos.Y, pos.Z);
2101 }
2102
2103 // normally called from within OnJointMoved, which is called from within a lock (OdeLock)
2104 // WARNING: ODE sometimes returns <0,0,0> as the joint axis! Therefore this function
2105 // appears to be unreliable. Fortunately we can compute the joint axis ourselves by
2106 // keeping track of the joint's original orientation relative to one of the involved bodies.
2107 public override Vector3 GetJointAxis(PhysicsJoint joint)
2108 {
2109 Debug.Assert(joint.IsInPhysicsEngine);
2110 d.Vector3 axis = new d.Vector3();
2111
2112 if (!(joint is OdePhysicsJoint))
2113 {
2114 DoJointErrorMessage(joint, "warning: non-ODE joint requesting anchor: " + joint.ObjectNameInScene);
2115 }
2116 else
2117 {
2118 OdePhysicsJoint odeJoint = (OdePhysicsJoint)joint;
2119 switch (odeJoint.Type)
2120 {
2121 case PhysicsJointType.Ball:
2122 DoJointErrorMessage(joint, "warning - axis requested for ball joint: " + joint.ObjectNameInScene);
2123 break;
2124 case PhysicsJointType.Hinge:
2125 d.JointGetHingeAxis(odeJoint.jointID, out axis);
2126 break;
2127 }
2128 }
2129 return new Vector3(axis.X, axis.Y, axis.Z);
2130 }
2131
2132
2133 public void remActivePrim(OdePrim deactivatePrim)
2134 {
2135 lock (_activeprims)
2136 {
2137 _activeprims.Remove(deactivatePrim);
2138 }
2139 }
2140
2141 public override void RemovePrim(PhysicsActor prim)
2142 {
2143 if (prim is OdePrim)
2144 {
2145 lock (OdeLock)
2146 {
2147 OdePrim p = (OdePrim) prim;
2148
2149 p.setPrimForRemoval();
2150 AddPhysicsActorTaint(prim);
2151 //RemovePrimThreadLocked(p);
2152 }
2153 }
2154 }
2155
2156 /// <summary>
2157 /// This is called from within simulate but outside the locked portion
2158 /// We need to do our own locking here
2159 /// Essentially, we need to remove the prim from our space segment, whatever segment it's in.
2160 ///
2161 /// If there are no more prim in the segment, we need to empty (spacedestroy)the segment and reclaim memory
2162 /// that the space was using.
2163 /// </summary>
2164 /// <param name="prim"></param>
2165 public void RemovePrimThreadLocked(OdePrim prim)
2166 {
2167//Console.WriteLine("RemovePrimThreadLocked " + prim.m_primName);
2168 lock (prim)
2169 {
2170 remCollisionEventReporting(prim);
2171 lock (ode)
2172 {
2173 if (prim.prim_geom != IntPtr.Zero)
2174 {
2175 prim.ResetTaints();
2176
2177 if (prim.IsPhysical)
2178 {
2179 prim.disableBody();
2180 if (prim.childPrim)
2181 {
2182 prim.childPrim = false;
2183 prim.Body = IntPtr.Zero;
2184 prim.m_disabled = true;
2185 prim.IsPhysical = false;
2186 }
2187
2188
2189 }
2190 // we don't want to remove the main space
2191
2192 // If the geometry is in the targetspace, remove it from the target space
2193 //m_log.Warn(prim.m_targetSpace);
2194
2195 //if (prim.m_targetSpace != IntPtr.Zero)
2196 //{
2197 //if (d.SpaceQuery(prim.m_targetSpace, prim.prim_geom))
2198 //{
2199
2200 //if (d.GeomIsSpace(prim.m_targetSpace))
2201 //{
2202 //waitForSpaceUnlock(prim.m_targetSpace);
2203 //d.SpaceRemove(prim.m_targetSpace, prim.prim_geom);
2204 prim.m_targetSpace = IntPtr.Zero;
2205 //}
2206 //else
2207 //{
2208 // m_log.Info("[Physics]: Invalid Scene passed to 'removeprim from scene':" +
2209 //((OdePrim)prim).m_targetSpace.ToString());
2210 //}
2211
2212 //}
2213 //}
2214 //m_log.Warn(prim.prim_geom);
2215 try
2216 {
2217 if (prim.prim_geom != IntPtr.Zero)
2218 {
2219
2220//string tPA;
2221//geom_name_map.TryGetValue(prim.prim_geom, out tPA);
2222//Console.WriteLine("**** Remove {0}", tPA);
2223 if(geom_name_map.ContainsKey(prim.prim_geom)) geom_name_map.Remove(prim.prim_geom);
2224 if(actor_name_map.ContainsKey(prim.prim_geom)) actor_name_map.Remove(prim.prim_geom);
2225 d.GeomDestroy(prim.prim_geom);
2226 prim.prim_geom = IntPtr.Zero;
2227 }
2228 else
2229 {
2230 m_log.Warn("[PHYSICS]: Unable to remove prim from physics scene");
2231 }
2232 }
2233 catch (AccessViolationException)
2234 {
2235 m_log.Info("[PHYSICS]: Couldn't remove prim from physics scene, it was already be removed.");
2236 }
2237 lock (_prims)
2238 _prims.Remove(prim);
2239
2240 //If there are no more geometries in the sub-space, we don't need it in the main space anymore
2241 //if (d.SpaceGetNumGeoms(prim.m_targetSpace) == 0)
2242 //{
2243 //if (prim.m_targetSpace != null)
2244 //{
2245 //if (d.GeomIsSpace(prim.m_targetSpace))
2246 //{
2247 //waitForSpaceUnlock(prim.m_targetSpace);
2248 //d.SpaceRemove(space, prim.m_targetSpace);
2249 // free up memory used by the space.
2250 //d.SpaceDestroy(prim.m_targetSpace);
2251 //int[] xyspace = calculateSpaceArrayItemFromPos(prim.Position);
2252 //resetSpaceArrayItemToZero(xyspace[0], xyspace[1]);
2253 //}
2254 //else
2255 //{
2256 //m_log.Info("[Physics]: Invalid Scene passed to 'removeprim from scene':" +
2257 //((OdePrim) prim).m_targetSpace.ToString());
2258 //}
2259 //}
2260 //}
2261
2262 if (SupportsNINJAJoints)
2263 {
2264 RemoveAllJointsConnectedToActorThreadLocked(prim);
2265 }
2266 }
2267 }
2268 }
2269 }
2270
2271 #endregion
2272
2273 #region Space Separation Calculation
2274
2275 /// <summary>
2276 /// Takes a space pointer and zeros out the array we're using to hold the spaces
2277 /// </summary>
2278 /// <param name="pSpace"></param>
2279 public void resetSpaceArrayItemToZero(IntPtr pSpace)
2280 {
2281 for (int x = 0; x < staticPrimspace.GetLength(0); x++)
2282 {
2283 for (int y = 0; y < staticPrimspace.GetLength(1); y++)
2284 {
2285 if (staticPrimspace[x, y] == pSpace)
2286 staticPrimspace[x, y] = IntPtr.Zero;
2287 }
2288 }
2289 }
2290
2291 public void resetSpaceArrayItemToZero(int arrayitemX, int arrayitemY)
2292 {
2293 staticPrimspace[arrayitemX, arrayitemY] = IntPtr.Zero;
2294 }
2295
2296 /// <summary>
2297 /// Called when a static prim moves. Allocates a space for the prim based on its position
2298 /// </summary>
2299 /// <param name="geom">the pointer to the geom that moved</param>
2300 /// <param name="pos">the position that the geom moved to</param>
2301 /// <param name="currentspace">a pointer to the space it was in before it was moved.</param>
2302 /// <returns>a pointer to the new space it's in</returns>
2303 public IntPtr recalculateSpaceForGeom(IntPtr geom, Vector3 pos, IntPtr currentspace)
2304 {
2305 // Called from setting the Position and Size of an ODEPrim so
2306 // it's already in locked space.
2307
2308 // we don't want to remove the main space
2309 // we don't need to test physical here because this function should
2310 // never be called if the prim is physical(active)
2311
2312 // All physical prim end up in the root space
2313 //Thread.Sleep(20);
2314 if (currentspace != space)
2315 {
2316 //m_log.Info("[SPACE]: C:" + currentspace.ToString() + " g:" + geom.ToString());
2317 //if (currentspace == IntPtr.Zero)
2318 //{
2319 //int adfadf = 0;
2320 //}
2321 if (d.SpaceQuery(currentspace, geom) && currentspace != IntPtr.Zero)
2322 {
2323 if (d.GeomIsSpace(currentspace))
2324 {
2325 waitForSpaceUnlock(currentspace);
2326 d.SpaceRemove(currentspace, geom);
2327 }
2328 else
2329 {
2330 m_log.Info("[Physics]: Invalid Scene passed to 'recalculatespace':" + currentspace +
2331 " Geom:" + geom);
2332 }
2333 }
2334 else
2335 {
2336 IntPtr sGeomIsIn = d.GeomGetSpace(geom);
2337 if (sGeomIsIn != IntPtr.Zero)
2338 {
2339 if (d.GeomIsSpace(currentspace))
2340 {
2341 waitForSpaceUnlock(sGeomIsIn);
2342 d.SpaceRemove(sGeomIsIn, geom);
2343 }
2344 else
2345 {
2346 m_log.Info("[Physics]: Invalid Scene passed to 'recalculatespace':" +
2347 sGeomIsIn + " Geom:" + geom);
2348 }
2349 }
2350 }
2351
2352 //If there are no more geometries in the sub-space, we don't need it in the main space anymore
2353 if (d.SpaceGetNumGeoms(currentspace) == 0)
2354 {
2355 if (currentspace != IntPtr.Zero)
2356 {
2357 if (d.GeomIsSpace(currentspace))
2358 {
2359 waitForSpaceUnlock(currentspace);
2360 waitForSpaceUnlock(space);
2361 d.SpaceRemove(space, currentspace);
2362 // free up memory used by the space.
2363
2364 //d.SpaceDestroy(currentspace);
2365 resetSpaceArrayItemToZero(currentspace);
2366 }
2367 else
2368 {
2369 m_log.Info("[Physics]: Invalid Scene passed to 'recalculatespace':" +
2370 currentspace + " Geom:" + geom);
2371 }
2372 }
2373 }
2374 }
2375 else
2376 {
2377 // this is a physical object that got disabled. ;.;
2378 if (currentspace != IntPtr.Zero && geom != IntPtr.Zero)
2379 {
2380 if (d.SpaceQuery(currentspace, geom))
2381 {
2382 if (d.GeomIsSpace(currentspace))
2383 {
2384 waitForSpaceUnlock(currentspace);
2385 d.SpaceRemove(currentspace, geom);
2386 }
2387 else
2388 {
2389 m_log.Info("[Physics]: Invalid Scene passed to 'recalculatespace':" +
2390 currentspace + " Geom:" + geom);
2391 }
2392 }
2393 else
2394 {
2395 IntPtr sGeomIsIn = d.GeomGetSpace(geom);
2396 if (sGeomIsIn != IntPtr.Zero)
2397 {
2398 if (d.GeomIsSpace(sGeomIsIn))
2399 {
2400 waitForSpaceUnlock(sGeomIsIn);
2401 d.SpaceRemove(sGeomIsIn, geom);
2402 }
2403 else
2404 {
2405 m_log.Info("[Physics]: Invalid Scene passed to 'recalculatespace':" +
2406 sGeomIsIn + " Geom:" + geom);
2407 }
2408 }
2409 }
2410 }
2411 }
2412
2413 // The routines in the Position and Size sections do the 'inserting' into the space,
2414 // so all we have to do is make sure that the space that we're putting the prim into
2415 // is in the 'main' space.
2416 int[] iprimspaceArrItem = calculateSpaceArrayItemFromPos(pos);
2417 IntPtr newspace = calculateSpaceForGeom(pos);
2418
2419 if (newspace == IntPtr.Zero)
2420 {
2421 newspace = createprimspace(iprimspaceArrItem[0], iprimspaceArrItem[1]);
2422 d.HashSpaceSetLevels(newspace, smallHashspaceLow, smallHashspaceHigh);
2423 }
2424
2425 return newspace;
2426 }
2427
2428 /// <summary>
2429 /// Creates a new space at X Y
2430 /// </summary>
2431 /// <param name="iprimspaceArrItemX"></param>
2432 /// <param name="iprimspaceArrItemY"></param>
2433 /// <returns>A pointer to the created space</returns>
2434 public IntPtr createprimspace(int iprimspaceArrItemX, int iprimspaceArrItemY)
2435 {
2436 // creating a new space for prim and inserting it into main space.
2437 staticPrimspace[iprimspaceArrItemX, iprimspaceArrItemY] = d.HashSpaceCreate(IntPtr.Zero);
2438 d.GeomSetCategoryBits(staticPrimspace[iprimspaceArrItemX, iprimspaceArrItemY], (int)CollisionCategories.Space);
2439 waitForSpaceUnlock(space);
2440 d.SpaceSetSublevel(space, 1);
2441 d.SpaceAdd(space, staticPrimspace[iprimspaceArrItemX, iprimspaceArrItemY]);
2442 return staticPrimspace[iprimspaceArrItemX, iprimspaceArrItemY];
2443 }
2444
2445 /// <summary>
2446 /// Calculates the space the prim should be in by its position
2447 /// </summary>
2448 /// <param name="pos"></param>
2449 /// <returns>a pointer to the space. This could be a new space or reused space.</returns>
2450 public IntPtr calculateSpaceForGeom(Vector3 pos)
2451 {
2452 int[] xyspace = calculateSpaceArrayItemFromPos(pos);
2453 //m_log.Info("[Physics]: Attempting to use arrayItem: " + xyspace[0].ToString() + "," + xyspace[1].ToString());
2454 return staticPrimspace[xyspace[0], xyspace[1]];
2455 }
2456
2457 /// <summary>
2458 /// Holds the space allocation logic
2459 /// </summary>
2460 /// <param name="pos"></param>
2461 /// <returns>an array item based on the position</returns>
2462 public int[] calculateSpaceArrayItemFromPos(Vector3 pos)
2463 {
2464 int[] returnint = new int[2];
2465
2466 returnint[0] = (int) (pos.X/metersInSpace);
2467
2468 if (returnint[0] > ((int) (259f/metersInSpace)))
2469 returnint[0] = ((int) (259f/metersInSpace));
2470 if (returnint[0] < 0)
2471 returnint[0] = 0;
2472
2473 returnint[1] = (int) (pos.Y/metersInSpace);
2474 if (returnint[1] > ((int) (259f/metersInSpace)))
2475 returnint[1] = ((int) (259f/metersInSpace));
2476 if (returnint[1] < 0)
2477 returnint[1] = 0;
2478
2479 return returnint;
2480 }
2481
2482 #endregion
2483
2484 /// <summary>
2485 /// Routine to figure out if we need to mesh this prim with our mesher
2486 /// </summary>
2487 /// <param name="pbs"></param>
2488 /// <returns></returns>
2489 public bool needsMeshing(PrimitiveBaseShape pbs)
2490 {
2491 // most of this is redundant now as the mesher will return null if it cant mesh a prim
2492 // but we still need to check for sculptie meshing being enabled so this is the most
2493 // convenient place to do it for now...
2494
2495 // //if (pbs.PathCurve == (byte)Primitive.PathCurve.Circle && pbs.ProfileCurve == (byte)Primitive.ProfileCurve.Circle && pbs.PathScaleY <= 0.75f)
2496 // //m_log.Debug("needsMeshing: " + " pathCurve: " + pbs.PathCurve.ToString() + " profileCurve: " + pbs.ProfileCurve.ToString() + " pathScaleY: " + Primitive.UnpackPathScale(pbs.PathScaleY).ToString());
2497 int iPropertiesNotSupportedDefault = 0;
2498
2499 if (pbs.SculptEntry && !meshSculptedPrim)
2500 {
2501#if SPAM
2502 m_log.Warn("NonMesh");
2503#endif
2504 return false;
2505 }
2506
2507 // if it's a standard box or sphere with no cuts, hollows, twist or top shear, return false since ODE can use an internal representation for the prim
2508 if (!forceSimplePrimMeshing)
2509 {
2510 if ((pbs.ProfileShape == ProfileShape.Square && pbs.PathCurve == (byte)Extrusion.Straight)
2511 || (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1
2512 && pbs.Scale.X == pbs.Scale.Y && pbs.Scale.Y == pbs.Scale.Z))
2513 {
2514
2515 if (pbs.ProfileBegin == 0 && pbs.ProfileEnd == 0
2516 && pbs.ProfileHollow == 0
2517 && pbs.PathTwist == 0 && pbs.PathTwistBegin == 0
2518 && pbs.PathBegin == 0 && pbs.PathEnd == 0
2519 && pbs.PathTaperX == 0 && pbs.PathTaperY == 0
2520 && pbs.PathScaleX == 100 && pbs.PathScaleY == 100
2521 && pbs.PathShearX == 0 && pbs.PathShearY == 0)
2522 {
2523#if SPAM
2524 m_log.Warn("NonMesh");
2525#endif
2526 return false;
2527 }
2528 }
2529 }
2530
2531 if (pbs.ProfileHollow != 0)
2532 iPropertiesNotSupportedDefault++;
2533
2534 if ((pbs.PathTwistBegin != 0) || (pbs.PathTwist != 0))
2535 iPropertiesNotSupportedDefault++;
2536
2537 if ((pbs.ProfileBegin != 0) || pbs.ProfileEnd != 0)
2538 iPropertiesNotSupportedDefault++;
2539
2540 if ((pbs.PathScaleX != 100) || (pbs.PathScaleY != 100))
2541 iPropertiesNotSupportedDefault++;
2542
2543 if ((pbs.PathShearX != 0) || (pbs.PathShearY != 0))
2544 iPropertiesNotSupportedDefault++;
2545
2546 if (pbs.ProfileShape == ProfileShape.Circle && pbs.PathCurve == (byte)Extrusion.Straight)
2547 iPropertiesNotSupportedDefault++;
2548
2549 if (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1 && (pbs.Scale.X != pbs.Scale.Y || pbs.Scale.Y != pbs.Scale.Z || pbs.Scale.Z != pbs.Scale.X))
2550 iPropertiesNotSupportedDefault++;
2551
2552 if (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte) Extrusion.Curve1)
2553 iPropertiesNotSupportedDefault++;
2554
2555 // test for torus
2556 if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.Square)
2557 {
2558 if (pbs.PathCurve == (byte)Extrusion.Curve1)
2559 {
2560 iPropertiesNotSupportedDefault++;
2561 }
2562 }
2563 else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
2564 {
2565 if (pbs.PathCurve == (byte)Extrusion.Straight)
2566 {
2567 iPropertiesNotSupportedDefault++;
2568 }
2569
2570 // ProfileCurve seems to combine hole shape and profile curve so we need to only compare against the lower 3 bits
2571 else if (pbs.PathCurve == (byte)Extrusion.Curve1)
2572 {
2573 iPropertiesNotSupportedDefault++;
2574 }
2575 }
2576 else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
2577 {
2578 if (pbs.PathCurve == (byte)Extrusion.Curve1 || pbs.PathCurve == (byte)Extrusion.Curve2)
2579 {
2580 iPropertiesNotSupportedDefault++;
2581 }
2582 }
2583 else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
2584 {
2585 if (pbs.PathCurve == (byte)Extrusion.Straight)
2586 {
2587 iPropertiesNotSupportedDefault++;
2588 }
2589 else if (pbs.PathCurve == (byte)Extrusion.Curve1)
2590 {
2591 iPropertiesNotSupportedDefault++;
2592 }
2593 }
2594
2595
2596 if (iPropertiesNotSupportedDefault == 0)
2597 {
2598#if SPAM
2599 m_log.Warn("NonMesh");
2600#endif
2601 return false;
2602 }
2603#if SPAM
2604 m_log.Debug("Mesh");
2605#endif
2606 return true;
2607 }
2608
2609 /// <summary>
2610 /// Called after our prim properties are set Scale, position etc.
2611 /// We use this event queue like method to keep changes to the physical scene occuring in the threadlocked mutex
2612 /// This assures us that we have no race conditions
2613 /// </summary>
2614 /// <param name="prim"></param>
2615 public override void AddPhysicsActorTaint(PhysicsActor prim)
2616 {
2617
2618 if (prim is OdePrim)
2619 {
2620 OdePrim taintedprim = ((OdePrim) prim);
2621 lock (_taintedPrimLock)
2622 {
2623 if (!(_taintedPrimH.Contains(taintedprim)))
2624 {
2625//Console.WriteLine("AddPhysicsActorTaint to " + taintedprim.m_primName);
2626 _taintedPrimH.Add(taintedprim); // HashSet for searching
2627 _taintedPrimL.Add(taintedprim); // List for ordered readout
2628 }
2629 }
2630 return;
2631 }
2632 else if (prim is OdeCharacter)
2633 {
2634 OdeCharacter taintedchar = ((OdeCharacter)prim);
2635 lock (_taintedActors)
2636 {
2637 if (!(_taintedActors.Contains(taintedchar)))
2638 {
2639 _taintedActors.Add(taintedchar);
2640 if (taintedchar.bad)
2641 m_log.DebugFormat("[PHYSICS]: Added BAD actor {0} to tainted actors", taintedchar.m_uuid);
2642 }
2643 }
2644 }
2645 }
2646
2647 /// <summary>
2648 /// This is our main simulate loop
2649 /// It's thread locked by a Mutex in the scene.
2650 /// It holds Collisions, it instructs ODE to step through the physical reactions
2651 /// It moves the objects around in memory
2652 /// It calls the methods that report back to the object owners.. (scenepresence, SceneObjectGroup)
2653 /// </summary>
2654 /// <param name="timeStep"></param>
2655 /// <returns></returns>
2656 public override float Simulate(float timeStep)
2657 {
2658 if (framecount >= int.MaxValue)
2659 framecount = 0;
2660 //if (m_worldOffset != Vector3.Zero)
2661 // return 0;
2662
2663 framecount++;
2664
2665 DateTime now = DateTime.UtcNow;
2666 TimeSpan SinceLastFrame = now - m_lastframe;
2667 m_lastframe = now;
2668 float realtime = (float)SinceLastFrame.TotalSeconds;
2669// Console.WriteLine("ts={0} rt={1}", timeStep, realtime);
2670 timeStep = realtime;
2671
2672 // float fps = 1.0f / realtime;
2673 float fps = 0.0f; // number of ODE steps in this Simulate step
2674 //m_log.Info(timeStep.ToString());
2675 step_time += timeStep;
2676
2677 // If We're loaded down by something else,
2678 // or debugging with the Visual Studio project on pause
2679 // skip a few frames to catch up gracefully.
2680 // without shooting the physicsactors all over the place
2681
2682 if (step_time >= m_SkipFramesAtms)
2683 {
2684 // Instead of trying to catch up, it'll do 5 physics frames only
2685 step_time = ODE_STEPSIZE;
2686 m_physicsiterations = 5;
2687 }
2688 else
2689 {
2690 m_physicsiterations = 10;
2691 }
2692
2693 if (SupportsNINJAJoints)
2694 {
2695 DeleteRequestedJoints(); // this must be outside of the lock (OdeLock) to avoid deadlocks
2696 CreateRequestedJoints(); // this must be outside of the lock (OdeLock) to avoid deadlocks
2697 }
2698
2699 lock (OdeLock)
2700 {
2701 // Process 10 frames if the sim is running normal..
2702 // process 5 frames if the sim is running slow
2703 //try
2704 //{
2705 //d.WorldSetQuickStepNumIterations(world, m_physicsiterations);
2706 //}
2707 //catch (StackOverflowException)
2708 //{
2709 // m_log.Error("[PHYSICS]: The operating system wasn't able to allocate enough memory for the simulation. Restarting the sim.");
2710 // ode.drelease(world);
2711 //base.TriggerPhysicsBasedRestart();
2712 //}
2713
2714 int i = 0;
2715
2716 // Figure out the Frames Per Second we're going at.
2717 //(step_time == 0.004f, there's 250 of those per second. Times the step time/step size
2718
2719 // fps = (step_time / ODE_STEPSIZE) * 1000;
2720 // HACK: Using a time dilation of 1.0 to debug rubberbanding issues
2721 //m_timeDilation = Math.Min((step_time / ODE_STEPSIZE) / (0.09375f / ODE_STEPSIZE), 1.0f);
2722
2723 // step_time = 0.09375f;
2724
2725 while (step_time > 0.0f)
2726 {
2727 //lock (ode)
2728 //{
2729 //if (!ode.lockquery())
2730 //{
2731 // ode.dlock(world);
2732 try
2733 {
2734 // Insert, remove Characters
2735 bool processedtaints = false;
2736
2737 lock (_taintedActors)
2738 {
2739 if (_taintedActors.Count > 0)
2740 {
2741 foreach (OdeCharacter character in _taintedActors)
2742 {
2743
2744 character.ProcessTaints(ODE_STEPSIZE);
2745
2746 processedtaints = true;
2747 //character.m_collisionscore = 0;
2748 }
2749
2750 if (processedtaints)
2751 _taintedActors.Clear();
2752 }
2753 } // end lock _taintedActors
2754
2755 // Modify other objects in the scene.
2756 processedtaints = false;
2757
2758 lock (_taintedPrimLock)
2759 {
2760 foreach (OdePrim prim in _taintedPrimL)
2761 {
2762 if (prim.m_taintremove)
2763 {
2764 //Console.WriteLine("Simulate calls RemovePrimThreadLocked");
2765 RemovePrimThreadLocked(prim);
2766 }
2767 else
2768 {
2769 //Console.WriteLine("Simulate calls ProcessTaints");
2770 prim.ProcessTaints(ODE_STEPSIZE);
2771 }
2772 processedtaints = true;
2773 prim.m_collisionscore = 0;
2774
2775 // This loop can block up the Heartbeat for a very long time on large regions.
2776 // We need to let the Watchdog know that the Heartbeat is not dead
2777 // NOTE: This is currently commented out, but if things like OAR loading are
2778 // timing the heartbeat out we will need to uncomment it
2779 //Watchdog.UpdateThread();
2780 }
2781
2782 if (SupportsNINJAJoints)
2783 {
2784 // Create pending joints, if possible
2785
2786 // joints can only be processed after ALL bodies are processed (and exist in ODE), since creating
2787 // a joint requires specifying the body id of both involved bodies
2788 if (pendingJoints.Count > 0)
2789 {
2790 List<PhysicsJoint> successfullyProcessedPendingJoints = new List<PhysicsJoint>();
2791 //DoJointErrorMessage(joints_connecting_actor, "taint: " + pendingJoints.Count + " pending joints");
2792 foreach (PhysicsJoint joint in pendingJoints)
2793 {
2794 //DoJointErrorMessage(joint, "taint: time to create joint with parms: " + joint.RawParams);
2795 string[] jointParams = joint.RawParams.Split(" ".ToCharArray(),
2796 System.StringSplitOptions.RemoveEmptyEntries);
2797 List<IntPtr> jointBodies = new List<IntPtr>();
2798 bool allJointBodiesAreReady = true;
2799 foreach (string jointParam in jointParams)
2800 {
2801 if (jointParam == "NULL")
2802 {
2803 //DoJointErrorMessage(joint, "attaching NULL joint to world");
2804 jointBodies.Add(IntPtr.Zero);
2805 }
2806 else
2807 {
2808 //DoJointErrorMessage(joint, "looking for prim name: " + jointParam);
2809 bool foundPrim = false;
2810 lock (_prims)
2811 {
2812 foreach (OdePrim prim in _prims) // FIXME: inefficient
2813 {
2814 if (prim.SOPName == jointParam)
2815 {
2816 //DoJointErrorMessage(joint, "found for prim name: " + jointParam);
2817 if (prim.IsPhysical && prim.Body != IntPtr.Zero)
2818 {
2819 jointBodies.Add(prim.Body);
2820 foundPrim = true;
2821 break;
2822 }
2823 else
2824 {
2825 DoJointErrorMessage(joint, "prim name " + jointParam +
2826 " exists but is not (yet) physical; deferring joint creation. " +
2827 "IsPhysical property is " + prim.IsPhysical +
2828 " and body is " + prim.Body);
2829 foundPrim = false;
2830 break;
2831 }
2832 }
2833 }
2834 }
2835 if (foundPrim)
2836 {
2837 // all is fine
2838 }
2839 else
2840 {
2841 allJointBodiesAreReady = false;
2842 break;
2843 }
2844 }
2845 }
2846 if (allJointBodiesAreReady)
2847 {
2848 //DoJointErrorMessage(joint, "allJointBodiesAreReady for " + joint.ObjectNameInScene + " with parms " + joint.RawParams);
2849 if (jointBodies[0] == jointBodies[1])
2850 {
2851 DoJointErrorMessage(joint, "ERROR: joint cannot be created; the joint bodies are the same, body1==body2. Raw body is " + jointBodies[0] + ". raw parms: " + joint.RawParams);
2852 }
2853 else
2854 {
2855 switch (joint.Type)
2856 {
2857 case PhysicsJointType.Ball:
2858 {
2859 IntPtr odeJoint;
2860 //DoJointErrorMessage(joint, "ODE creating ball joint ");
2861 odeJoint = d.JointCreateBall(world, IntPtr.Zero);
2862 //DoJointErrorMessage(joint, "ODE attaching ball joint: " + odeJoint + " with b1:" + jointBodies[0] + " b2:" + jointBodies[1]);
2863 d.JointAttach(odeJoint, jointBodies[0], jointBodies[1]);
2864 //DoJointErrorMessage(joint, "ODE setting ball anchor: " + odeJoint + " to vec:" + joint.Position);
2865 d.JointSetBallAnchor(odeJoint,
2866 joint.Position.X,
2867 joint.Position.Y,
2868 joint.Position.Z);
2869 //DoJointErrorMessage(joint, "ODE joint setting OK");
2870 //DoJointErrorMessage(joint, "The ball joint's bodies are here: b0: ");
2871 //DoJointErrorMessage(joint, "" + (jointBodies[0] != IntPtr.Zero ? "" + d.BodyGetPosition(jointBodies[0]) : "fixed environment"));
2872 //DoJointErrorMessage(joint, "The ball joint's bodies are here: b1: ");
2873 //DoJointErrorMessage(joint, "" + (jointBodies[1] != IntPtr.Zero ? "" + d.BodyGetPosition(jointBodies[1]) : "fixed environment"));
2874
2875 if (joint is OdePhysicsJoint)
2876 {
2877 ((OdePhysicsJoint)joint).jointID = odeJoint;
2878 }
2879 else
2880 {
2881 DoJointErrorMessage(joint, "WARNING: non-ode joint in ODE!");
2882 }
2883 }
2884 break;
2885 case PhysicsJointType.Hinge:
2886 {
2887 IntPtr odeJoint;
2888 //DoJointErrorMessage(joint, "ODE creating hinge joint ");
2889 odeJoint = d.JointCreateHinge(world, IntPtr.Zero);
2890 //DoJointErrorMessage(joint, "ODE attaching hinge joint: " + odeJoint + " with b1:" + jointBodies[0] + " b2:" + jointBodies[1]);
2891 d.JointAttach(odeJoint, jointBodies[0], jointBodies[1]);
2892 //DoJointErrorMessage(joint, "ODE setting hinge anchor: " + odeJoint + " to vec:" + joint.Position);
2893 d.JointSetHingeAnchor(odeJoint,
2894 joint.Position.X,
2895 joint.Position.Y,
2896 joint.Position.Z);
2897 // We use the orientation of the x-axis of the joint's coordinate frame
2898 // as the axis for the hinge.
2899
2900 // Therefore, we must get the joint's coordinate frame based on the
2901 // joint.Rotation field, which originates from the orientation of the
2902 // joint's proxy object in the scene.
2903
2904 // The joint's coordinate frame is defined as the transformation matrix
2905 // that converts a vector from joint-local coordinates into world coordinates.
2906 // World coordinates are defined as the XYZ coordinate system of the sim,
2907 // as shown in the top status-bar of the viewer.
2908
2909 // Once we have the joint's coordinate frame, we extract its X axis (AtAxis)
2910 // and use that as the hinge axis.
2911
2912 //joint.Rotation.Normalize();
2913 Matrix4 proxyFrame = Matrix4.CreateFromQuaternion(joint.Rotation);
2914
2915 // Now extract the X axis of the joint's coordinate frame.
2916
2917 // Do not try to use proxyFrame.AtAxis or you will become mired in the
2918 // tar pit of transposed, inverted, and generally messed-up orientations.
2919 // (In other words, Matrix4.AtAxis() is borked.)
2920 // Vector3 jointAxis = proxyFrame.AtAxis; <--- this path leadeth to madness
2921
2922 // Instead, compute the X axis of the coordinate frame by transforming
2923 // the (1,0,0) vector. At least that works.
2924
2925 //m_log.Debug("PHY: making axis: complete matrix is " + proxyFrame);
2926 Vector3 jointAxis = Vector3.Transform(Vector3.UnitX, proxyFrame);
2927 //m_log.Debug("PHY: making axis: hinge joint axis is " + jointAxis);
2928 //DoJointErrorMessage(joint, "ODE setting hinge axis: " + odeJoint + " to vec:" + jointAxis);
2929 d.JointSetHingeAxis(odeJoint,
2930 jointAxis.X,
2931 jointAxis.Y,
2932 jointAxis.Z);
2933 //d.JointSetHingeParam(odeJoint, (int)dParam.CFM, 0.1f);
2934 if (joint is OdePhysicsJoint)
2935 {
2936 ((OdePhysicsJoint)joint).jointID = odeJoint;
2937 }
2938 else
2939 {
2940 DoJointErrorMessage(joint, "WARNING: non-ode joint in ODE!");
2941 }
2942 }
2943 break;
2944 }
2945 successfullyProcessedPendingJoints.Add(joint);
2946 }
2947 }
2948 else
2949 {
2950 DoJointErrorMessage(joint, "joint could not yet be created; still pending");
2951 }
2952 }
2953 foreach (PhysicsJoint successfullyProcessedJoint in successfullyProcessedPendingJoints)
2954 {
2955 //DoJointErrorMessage(successfullyProcessedJoint, "finalizing succesfully procsssed joint " + successfullyProcessedJoint.ObjectNameInScene + " parms " + successfullyProcessedJoint.RawParams);
2956 //DoJointErrorMessage(successfullyProcessedJoint, "removing from pending");
2957 InternalRemovePendingJoint(successfullyProcessedJoint);
2958 //DoJointErrorMessage(successfullyProcessedJoint, "adding to active");
2959 InternalAddActiveJoint(successfullyProcessedJoint);
2960 //DoJointErrorMessage(successfullyProcessedJoint, "done");
2961 }
2962 }
2963 } // end SupportsNINJAJoints
2964
2965 if (processedtaints)
2966//Console.WriteLine("Simulate calls Clear of _taintedPrim list");
2967 _taintedPrimH.Clear(); // ??? if this only ???
2968 _taintedPrimL.Clear();
2969 } // end lock _taintedPrimLock
2970
2971 // Move characters
2972 lock (_characters)
2973 {
2974 List<OdeCharacter> defects = new List<OdeCharacter>();
2975 foreach (OdeCharacter actor in _characters)
2976 {
2977 if (actor != null)
2978 actor.Move(ODE_STEPSIZE, defects);
2979 }
2980 if (0 != defects.Count)
2981 {
2982 foreach (OdeCharacter defect in defects)
2983 {
2984 RemoveCharacter(defect);
2985 }
2986 }
2987 } // end lock _characters
2988
2989 // Move other active objects
2990 lock (_activeprims)
2991 {
2992 foreach (OdePrim prim in _activeprims)
2993 {
2994 prim.m_collisionscore = 0;
2995 prim.Move(ODE_STEPSIZE);
2996 }
2997 } // end lock _activeprims
2998
2999 //if ((framecount % m_randomizeWater) == 0)
3000 // randomizeWater(waterlevel);
3001
3002 //int RayCastTimeMS = m_rayCastManager.ProcessQueuedRequests();
3003 m_rayCastManager.ProcessQueuedRequests();
3004
3005 collision_optimized(ODE_STEPSIZE);
3006
3007 lock (_collisionEventPrim)
3008 {
3009 foreach (PhysicsActor obj in _collisionEventPrim)
3010 {
3011 if (obj == null)
3012 continue;
3013
3014 switch ((ActorTypes)obj.PhysicsActorType)
3015 {
3016 case ActorTypes.Agent:
3017 OdeCharacter cobj = (OdeCharacter)obj;
3018 cobj.AddCollisionFrameTime(100);
3019 cobj.SendCollisions();
3020 break;
3021 case ActorTypes.Prim:
3022 OdePrim pobj = (OdePrim)obj;
3023 pobj.SendCollisions();
3024 break;
3025 }
3026 }
3027 } // end lock _collisionEventPrim
3028
3029 //if (m_global_contactcount > 5)
3030 //{
3031 // m_log.DebugFormat("[PHYSICS]: Contacts:{0}", m_global_contactcount);
3032 //}
3033
3034 m_global_contactcount = 0;
3035
3036 d.WorldQuickStep(world, ODE_STEPSIZE);
3037 d.JointGroupEmpty(contactgroup);
3038 fps++;
3039 //ode.dunlock(world);
3040 } // end try
3041 catch (Exception e)
3042 {
3043 m_log.ErrorFormat("[PHYSICS]: {0}, {1}, {2}", e.Message, e.TargetSite, e);
3044 ode.dunlock(world);
3045 }
3046
3047 step_time -= ODE_STEPSIZE;
3048 i++;
3049 //}
3050 //else
3051 //{
3052 //fps = 0;
3053 //}
3054 //}
3055 } // end while (step_time > 0.0f)
3056
3057 lock (_characters)
3058 {
3059 foreach (OdeCharacter actor in _characters)
3060 {
3061 if (actor != null)
3062 {
3063 if (actor.bad)
3064 m_log.WarnFormat("[PHYSICS]: BAD Actor {0} in _characters list was not removed?", actor.m_uuid);
3065 actor.UpdatePositionAndVelocity();
3066 }
3067 }
3068 }
3069
3070 lock (_badCharacter)
3071 {
3072 if (_badCharacter.Count > 0)
3073 {
3074 foreach (OdeCharacter chr in _badCharacter)
3075 {
3076 RemoveCharacter(chr);
3077 }
3078 _badCharacter.Clear();
3079 }
3080 }
3081
3082 lock (_activeprims)
3083 {
3084 //if (timeStep < 0.2f)
3085 {
3086 foreach (OdePrim actor in _activeprims)
3087 {
3088 if (actor.IsPhysical && (d.BodyIsEnabled(actor.Body) || !actor._zeroFlag))
3089 {
3090 actor.UpdatePositionAndVelocity();
3091
3092 if (SupportsNINJAJoints)
3093 {
3094 // If an actor moved, move its joint proxy objects as well.
3095 // There seems to be an event PhysicsActor.OnPositionUpdate that could be used
3096 // for this purpose but it is never called! So we just do the joint
3097 // movement code here.
3098
3099 if (actor.SOPName != null &&
3100 joints_connecting_actor.ContainsKey(actor.SOPName) &&
3101 joints_connecting_actor[actor.SOPName] != null &&
3102 joints_connecting_actor[actor.SOPName].Count > 0)
3103 {
3104 foreach (PhysicsJoint affectedJoint in joints_connecting_actor[actor.SOPName])
3105 {
3106 if (affectedJoint.IsInPhysicsEngine)
3107 {
3108 DoJointMoved(affectedJoint);
3109 }
3110 else
3111 {
3112 DoJointErrorMessage(affectedJoint, "a body connected to a joint was moved, but the joint doesn't exist yet! this will lead to joint error. joint was: " + affectedJoint.ObjectNameInScene + " parms:" + affectedJoint.RawParams);
3113 }
3114 }
3115 }
3116 }
3117 }
3118 }
3119 }
3120 } // end lock _activeprims
3121
3122 //DumpJointInfo();
3123
3124 // Finished with all sim stepping. If requested, dump world state to file for debugging.
3125 // TODO: This call to the export function is already inside lock (OdeLock) - but is an extra lock needed?
3126 // TODO: This overwrites all dump files in-place. Should this be a growing logfile, or separate snapshots?
3127 if (physics_logging && (physics_logging_interval>0) && (framecount % physics_logging_interval == 0))
3128 {
3129 string fname = "state-" + world.ToString() + ".DIF"; // give each physics world a separate filename
3130 string prefix = "world" + world.ToString(); // prefix for variable names in exported .DIF file
3131
3132 if (physics_logging_append_existing_logfile)
3133 {
3134 string header = "-------------- START OF PHYSICS FRAME " + framecount.ToString() + " --------------";
3135 TextWriter fwriter = File.AppendText(fname);
3136 fwriter.WriteLine(header);
3137 fwriter.Close();
3138 }
3139 d.WorldExportDIF(world, fname, physics_logging_append_existing_logfile, prefix);
3140 }
3141 } // end lock OdeLock
3142
3143 return fps * 1000.0f; //NB This is a FRAME COUNT, not a time! AND is divide by 1000 in SimStatusReporter!
3144 } // end Simulate
3145
3146 public override void GetResults()
3147 {
3148 }
3149
3150 public override bool IsThreaded
3151 {
3152 // for now we won't be multithreaded
3153 get { return (false); }
3154 }
3155
3156 #region ODE Specific Terrain Fixes
3157 public float[] ResizeTerrain512NearestNeighbour(float[] heightMap)
3158 {
3159 float[] returnarr = new float[262144];
3160 float[,] resultarr = new float[(int)WorldExtents.X, (int)WorldExtents.Y];
3161
3162 // Filling out the array into its multi-dimensional components
3163 for (int y = 0; y < WorldExtents.Y; y++)
3164 {
3165 for (int x = 0; x < WorldExtents.X; x++)
3166 {
3167 resultarr[y, x] = heightMap[y * (int)WorldExtents.Y + x];
3168 }
3169 }
3170
3171 // Resize using Nearest Neighbour
3172
3173 // This particular way is quick but it only works on a multiple of the original
3174
3175 // The idea behind this method can be described with the following diagrams
3176 // second pass and third pass happen in the same loop really.. just separated
3177 // them to show what this does.
3178
3179 // First Pass
3180 // ResultArr:
3181 // 1,1,1,1,1,1
3182 // 1,1,1,1,1,1
3183 // 1,1,1,1,1,1
3184 // 1,1,1,1,1,1
3185 // 1,1,1,1,1,1
3186 // 1,1,1,1,1,1
3187
3188 // Second Pass
3189 // ResultArr2:
3190 // 1,,1,,1,,1,,1,,1,
3191 // ,,,,,,,,,,
3192 // 1,,1,,1,,1,,1,,1,
3193 // ,,,,,,,,,,
3194 // 1,,1,,1,,1,,1,,1,
3195 // ,,,,,,,,,,
3196 // 1,,1,,1,,1,,1,,1,
3197 // ,,,,,,,,,,
3198 // 1,,1,,1,,1,,1,,1,
3199 // ,,,,,,,,,,
3200 // 1,,1,,1,,1,,1,,1,
3201
3202 // Third pass fills in the blanks
3203 // ResultArr2:
3204 // 1,1,1,1,1,1,1,1,1,1,1,1
3205 // 1,1,1,1,1,1,1,1,1,1,1,1
3206 // 1,1,1,1,1,1,1,1,1,1,1,1
3207 // 1,1,1,1,1,1,1,1,1,1,1,1
3208 // 1,1,1,1,1,1,1,1,1,1,1,1
3209 // 1,1,1,1,1,1,1,1,1,1,1,1
3210 // 1,1,1,1,1,1,1,1,1,1,1,1
3211 // 1,1,1,1,1,1,1,1,1,1,1,1
3212 // 1,1,1,1,1,1,1,1,1,1,1,1
3213 // 1,1,1,1,1,1,1,1,1,1,1,1
3214 // 1,1,1,1,1,1,1,1,1,1,1,1
3215
3216 // X,Y = .
3217 // X+1,y = ^
3218 // X,Y+1 = *
3219 // X+1,Y+1 = #
3220
3221 // Filling in like this;
3222 // .*
3223 // ^#
3224 // 1st .
3225 // 2nd *
3226 // 3rd ^
3227 // 4th #
3228 // on single loop.
3229
3230 float[,] resultarr2 = new float[512, 512];
3231 for (int y = 0; y < WorldExtents.Y; y++)
3232 {
3233 for (int x = 0; x < WorldExtents.X; x++)
3234 {
3235 resultarr2[y * 2, x * 2] = resultarr[y, x];
3236
3237 if (y < WorldExtents.Y)
3238 {
3239 resultarr2[(y * 2) + 1, x * 2] = resultarr[y, x];
3240 }
3241 if (x < WorldExtents.X)
3242 {
3243 resultarr2[y * 2, (x * 2) + 1] = resultarr[y, x];
3244 }
3245 if (x < WorldExtents.X && y < WorldExtents.Y)
3246 {
3247 resultarr2[(y * 2) + 1, (x * 2) + 1] = resultarr[y, x];
3248 }
3249 }
3250 }
3251
3252 //Flatten out the array
3253 int i = 0;
3254 for (int y = 0; y < 512; y++)
3255 {
3256 for (int x = 0; x < 512; x++)
3257 {
3258 if (resultarr2[y, x] <= 0)
3259 returnarr[i] = 0.0000001f;
3260 else
3261 returnarr[i] = resultarr2[y, x];
3262
3263 i++;
3264 }
3265 }
3266
3267 return returnarr;
3268 }
3269
3270 public float[] ResizeTerrain512Interpolation(float[] heightMap)
3271 {
3272 float[] returnarr = new float[262144];
3273 float[,] resultarr = new float[512,512];
3274
3275 // Filling out the array into its multi-dimensional components
3276 for (int y = 0; y < 256; y++)
3277 {
3278 for (int x = 0; x < 256; x++)
3279 {
3280 resultarr[y, x] = heightMap[y * 256 + x];
3281 }
3282 }
3283
3284 // Resize using interpolation
3285
3286 // This particular way is quick but it only works on a multiple of the original
3287
3288 // The idea behind this method can be described with the following diagrams
3289 // second pass and third pass happen in the same loop really.. just separated
3290 // them to show what this does.
3291
3292 // First Pass
3293 // ResultArr:
3294 // 1,1,1,1,1,1
3295 // 1,1,1,1,1,1
3296 // 1,1,1,1,1,1
3297 // 1,1,1,1,1,1
3298 // 1,1,1,1,1,1
3299 // 1,1,1,1,1,1
3300
3301 // Second Pass
3302 // ResultArr2:
3303 // 1,,1,,1,,1,,1,,1,
3304 // ,,,,,,,,,,
3305 // 1,,1,,1,,1,,1,,1,
3306 // ,,,,,,,,,,
3307 // 1,,1,,1,,1,,1,,1,
3308 // ,,,,,,,,,,
3309 // 1,,1,,1,,1,,1,,1,
3310 // ,,,,,,,,,,
3311 // 1,,1,,1,,1,,1,,1,
3312 // ,,,,,,,,,,
3313 // 1,,1,,1,,1,,1,,1,
3314
3315 // Third pass fills in the blanks
3316 // ResultArr2:
3317 // 1,1,1,1,1,1,1,1,1,1,1,1
3318 // 1,1,1,1,1,1,1,1,1,1,1,1
3319 // 1,1,1,1,1,1,1,1,1,1,1,1
3320 // 1,1,1,1,1,1,1,1,1,1,1,1
3321 // 1,1,1,1,1,1,1,1,1,1,1,1
3322 // 1,1,1,1,1,1,1,1,1,1,1,1
3323 // 1,1,1,1,1,1,1,1,1,1,1,1
3324 // 1,1,1,1,1,1,1,1,1,1,1,1
3325 // 1,1,1,1,1,1,1,1,1,1,1,1
3326 // 1,1,1,1,1,1,1,1,1,1,1,1
3327 // 1,1,1,1,1,1,1,1,1,1,1,1
3328
3329 // X,Y = .
3330 // X+1,y = ^
3331 // X,Y+1 = *
3332 // X+1,Y+1 = #
3333
3334 // Filling in like this;
3335 // .*
3336 // ^#
3337 // 1st .
3338 // 2nd *
3339 // 3rd ^
3340 // 4th #
3341 // on single loop.
3342
3343 float[,] resultarr2 = new float[512,512];
3344 for (int y = 0; y < (int)Constants.RegionSize; y++)
3345 {
3346 for (int x = 0; x < (int)Constants.RegionSize; x++)
3347 {
3348 resultarr2[y*2, x*2] = resultarr[y, x];
3349
3350 if (y < (int)Constants.RegionSize)
3351 {
3352 if (y + 1 < (int)Constants.RegionSize)
3353 {
3354 if (x + 1 < (int)Constants.RegionSize)
3355 {
3356 resultarr2[(y*2) + 1, x*2] = ((resultarr[y, x] + resultarr[y + 1, x] +
3357 resultarr[y, x + 1] + resultarr[y + 1, x + 1])/4);
3358 }
3359 else
3360 {
3361 resultarr2[(y*2) + 1, x*2] = ((resultarr[y, x] + resultarr[y + 1, x])/2);
3362 }
3363 }
3364 else
3365 {
3366 resultarr2[(y*2) + 1, x*2] = resultarr[y, x];
3367 }
3368 }
3369 if (x < (int)Constants.RegionSize)
3370 {
3371 if (x + 1 < (int)Constants.RegionSize)
3372 {
3373 if (y + 1 < (int)Constants.RegionSize)
3374 {
3375 resultarr2[y*2, (x*2) + 1] = ((resultarr[y, x] + resultarr[y + 1, x] +
3376 resultarr[y, x + 1] + resultarr[y + 1, x + 1])/4);
3377 }
3378 else
3379 {
3380 resultarr2[y*2, (x*2) + 1] = ((resultarr[y, x] + resultarr[y, x + 1])/2);
3381 }
3382 }
3383 else
3384 {
3385 resultarr2[y*2, (x*2) + 1] = resultarr[y, x];
3386 }
3387 }
3388 if (x < (int)Constants.RegionSize && y < (int)Constants.RegionSize)
3389 {
3390 if ((x + 1 < (int)Constants.RegionSize) && (y + 1 < (int)Constants.RegionSize))
3391 {
3392 resultarr2[(y*2) + 1, (x*2) + 1] = ((resultarr[y, x] + resultarr[y + 1, x] +
3393 resultarr[y, x + 1] + resultarr[y + 1, x + 1])/4);
3394 }
3395 else
3396 {
3397 resultarr2[(y*2) + 1, (x*2) + 1] = resultarr[y, x];
3398 }
3399 }
3400 }
3401 }
3402 //Flatten out the array
3403 int i = 0;
3404 for (int y = 0; y < 512; y++)
3405 {
3406 for (int x = 0; x < 512; x++)
3407 {
3408 if (Single.IsNaN(resultarr2[y, x]) || Single.IsInfinity(resultarr2[y, x]))
3409 {
3410 m_log.Warn("[PHYSICS]: Non finite heightfield element detected. Setting it to 0");
3411 resultarr2[y, x] = 0;
3412 }
3413 returnarr[i] = resultarr2[y, x];
3414 i++;
3415 }
3416 }
3417
3418 return returnarr;
3419 }
3420
3421 #endregion
3422
3423 public override void SetTerrain(float[] heightMap)
3424 {
3425 if (m_worldOffset != Vector3.Zero && m_parentScene != null)
3426 {
3427 if (m_parentScene is OdeScene)
3428 {
3429 ((OdeScene)m_parentScene).SetTerrain(heightMap, m_worldOffset);
3430 }
3431 }
3432 else
3433 {
3434 SetTerrain(heightMap, m_worldOffset);
3435 }
3436 }
3437
3438 public void SetTerrain(float[] heightMap, Vector3 pOffset)
3439 {
3440
3441 int regionsize = (int) Constants.RegionSize; // visible region size eg. 256(M)
3442
3443 int heightmapWidth = regionsize + 2; // ODE map size 257 x 257 (Meters) (1 extra
3444 int heightmapHeight = regionsize + 2;
3445
3446 int heightmapWidthSamples = (int)regionsize + 2; // Sample file size, 258 x 258 samples
3447 int heightmapHeightSamples = (int)regionsize + 2;
3448
3449 // Array of height samples for ODE
3450 float[] _heightmap;
3451 _heightmap = new float[(heightmapWidthSamples * heightmapHeightSamples)]; // loaded samples 258 x 258
3452
3453 // Other ODE parameters
3454 const float scale = 1.0f;
3455 const float offset = 0.0f;
3456 const float thickness = 2.0f; // Was 0.2f, Larger appears to prevent Av fall-through
3457 const int wrap = 0;
3458
3459 float hfmin = 2000f;
3460 float hfmax = -2000f;
3461 float minele = 0.0f; // Dont allow -ve heights
3462
3463 int x = 0;
3464 int y = 0;
3465 int xx = 0;
3466 int yy = 0;
3467
3468 // load the height samples array from the heightMap
3469 for ( x = 0; x < heightmapWidthSamples; x++) // 0 to 257
3470 {
3471 for ( y = 0; y < heightmapHeightSamples; y++) // 0 to 257
3472 {
3473 xx = x - 1;
3474 if (xx < 0) xx = 0;
3475 if (xx > (regionsize - 1)) xx = regionsize - 1;
3476
3477 yy = y - 1;
3478 if (yy < 0) yy = 0;
3479 if (yy > (regionsize - 1)) yy = regionsize - 1;
3480 // Input xx = 0 0 1 2 ..... 254 255 255 256 total in
3481 // Output x = 0 1 2 3 ..... 255 256 257 258 total out
3482 float val= heightMap[(yy * regionsize) + xx]; // input from heightMap, <0-255 * 256> <0-255>
3483 if (val < minele) val = minele;
3484 _heightmap[x * (regionsize + 2) + y] = val; // samples output to _heightmap, <0-257 * 258> <0-257>
3485 hfmin = (val < hfmin) ? val : hfmin;
3486 hfmax = (val > hfmax) ? val : hfmax;
3487 }
3488 }
3489
3490 lock (OdeLock)
3491 {
3492 IntPtr GroundGeom = IntPtr.Zero;
3493 if (RegionTerrain.TryGetValue(pOffset, out GroundGeom))
3494 {
3495 RegionTerrain.Remove(pOffset);
3496 if (GroundGeom != IntPtr.Zero)
3497 {
3498 if (TerrainHeightFieldHeights.ContainsKey(GroundGeom))
3499 {
3500 TerrainHeightFieldHeights.Remove(GroundGeom);
3501 }
3502 d.SpaceRemove(space, GroundGeom);
3503 d.GeomDestroy(GroundGeom);
3504 }
3505 }
3506 IntPtr HeightmapData = d.GeomHeightfieldDataCreate();
3507 d.GeomHeightfieldDataBuildSingle(HeightmapData, _heightmap, 0,
3508 heightmapWidth, heightmapHeight, (int)heightmapWidthSamples,
3509 (int)heightmapHeightSamples, scale, offset, thickness, wrap);
3510 d.GeomHeightfieldDataSetBounds(HeightmapData, hfmin - 1, hfmax + 1);
3511 GroundGeom = d.CreateHeightfield(space, HeightmapData, 1);
3512 if (GroundGeom != IntPtr.Zero)
3513 {
3514 d.GeomSetCategoryBits(GroundGeom, (int)(CollisionCategories.Land));
3515 d.GeomSetCollideBits(GroundGeom, (int)(CollisionCategories.Space));
3516 }
3517 geom_name_map[GroundGeom] = "Terrain";
3518
3519 d.Matrix3 R = new d.Matrix3();
3520
3521 Quaternion q1 = Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), 1.5707f);
3522 Quaternion q2 = Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0), 1.5707f);
3523 //Axiom.Math.Quaternion q3 = Axiom.Math.Quaternion.FromAngleAxis(3.14f, new Axiom.Math.Vector3(0, 0, 1));
3524
3525 q1 = q1 * q2;
3526 //q1 = q1 * q3;
3527 Vector3 v3;
3528 float angle;
3529 q1.GetAxisAngle(out v3, out angle);
3530
3531 d.RFromAxisAndAngle(out R, v3.X, v3.Y, v3.Z, angle);
3532 d.GeomSetRotation(GroundGeom, ref R);
3533 d.GeomSetPosition(GroundGeom, (pOffset.X + (regionsize * 0.5f)) - 0.5f, (pOffset.Y + (regionsize * 0.5f)) - 0.5f, 0);
3534 IntPtr testGround = IntPtr.Zero;
3535 if (RegionTerrain.TryGetValue(pOffset, out testGround))
3536 {
3537 RegionTerrain.Remove(pOffset);
3538 }
3539 RegionTerrain.Add(pOffset, GroundGeom, GroundGeom);
3540 TerrainHeightFieldHeights.Add(GroundGeom,_heightmap);
3541 }
3542 }
3543
3544 public override void DeleteTerrain()
3545 {
3546 }
3547
3548 public float GetWaterLevel()
3549 {
3550 return waterlevel;
3551 }
3552
3553 public override bool SupportsCombining()
3554 {
3555 return true;
3556 }
3557
3558 public override void UnCombine(PhysicsScene pScene)
3559 {
3560 IntPtr localGround = IntPtr.Zero;
3561// float[] localHeightfield;
3562 bool proceed = false;
3563 List<IntPtr> geomDestroyList = new List<IntPtr>();
3564
3565 lock (OdeLock)
3566 {
3567 if (RegionTerrain.TryGetValue(Vector3.Zero, out localGround))
3568 {
3569 foreach (IntPtr geom in TerrainHeightFieldHeights.Keys)
3570 {
3571 if (geom == localGround)
3572 {
3573// localHeightfield = TerrainHeightFieldHeights[geom];
3574 proceed = true;
3575 }
3576 else
3577 {
3578 geomDestroyList.Add(geom);
3579 }
3580 }
3581
3582 if (proceed)
3583 {
3584 m_worldOffset = Vector3.Zero;
3585 WorldExtents = new Vector2((int)Constants.RegionSize, (int)Constants.RegionSize);
3586 m_parentScene = null;
3587
3588 foreach (IntPtr g in geomDestroyList)
3589 {
3590 // removingHeightField needs to be done or the garbage collector will
3591 // collect the terrain data before we tell ODE to destroy it causing
3592 // memory corruption
3593 if (TerrainHeightFieldHeights.ContainsKey(g))
3594 {
3595// float[] removingHeightField = TerrainHeightFieldHeights[g];
3596 TerrainHeightFieldHeights.Remove(g);
3597
3598 if (RegionTerrain.ContainsKey(g))
3599 {
3600 RegionTerrain.Remove(g);
3601 }
3602
3603 d.GeomDestroy(g);
3604 //removingHeightField = new float[0];
3605 }
3606 }
3607
3608 }
3609 else
3610 {
3611 m_log.Warn("[PHYSICS]: Couldn't proceed with UnCombine. Region has inconsistant data.");
3612
3613 }
3614 }
3615 }
3616 }
3617
3618 public override void SetWaterLevel(float baseheight)
3619 {
3620 waterlevel = baseheight;
3621 randomizeWater(waterlevel);
3622 }
3623
3624 public void randomizeWater(float baseheight)
3625 {
3626 const uint heightmapWidth = m_regionWidth + 2;
3627 const uint heightmapHeight = m_regionHeight + 2;
3628 const uint heightmapWidthSamples = m_regionWidth + 2;
3629 const uint heightmapHeightSamples = m_regionHeight + 2;
3630 const float scale = 1.0f;
3631 const float offset = 0.0f;
3632 const float thickness = 2.9f;
3633 const int wrap = 0;
3634
3635 for (int i = 0; i < (258 * 258); i++)
3636 {
3637 _watermap[i] = (baseheight-0.1f) + ((float)fluidRandomizer.Next(1,9) / 10f);
3638 // m_log.Info((baseheight - 0.1f) + ((float)fluidRandomizer.Next(1, 9) / 10f));
3639 }
3640
3641 lock (OdeLock)
3642 {
3643 if (WaterGeom != IntPtr.Zero)
3644 {
3645 d.SpaceRemove(space, WaterGeom);
3646 }
3647 IntPtr HeightmapData = d.GeomHeightfieldDataCreate();
3648 d.GeomHeightfieldDataBuildSingle(HeightmapData, _watermap, 0, heightmapWidth, heightmapHeight,
3649 (int)heightmapWidthSamples, (int)heightmapHeightSamples, scale,
3650 offset, thickness, wrap);
3651 d.GeomHeightfieldDataSetBounds(HeightmapData, m_regionWidth, m_regionHeight);
3652 WaterGeom = d.CreateHeightfield(space, HeightmapData, 1);
3653 if (WaterGeom != IntPtr.Zero)
3654 {
3655 d.GeomSetCategoryBits(WaterGeom, (int)(CollisionCategories.Water));
3656 d.GeomSetCollideBits(WaterGeom, (int)(CollisionCategories.Space));
3657
3658 }
3659 geom_name_map[WaterGeom] = "Water";
3660
3661 d.Matrix3 R = new d.Matrix3();
3662
3663 Quaternion q1 = Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), 1.5707f);
3664 Quaternion q2 = Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0), 1.5707f);
3665 //Axiom.Math.Quaternion q3 = Axiom.Math.Quaternion.FromAngleAxis(3.14f, new Axiom.Math.Vector3(0, 0, 1));
3666
3667 q1 = q1 * q2;
3668 //q1 = q1 * q3;
3669 Vector3 v3;
3670 float angle;
3671 q1.GetAxisAngle(out v3, out angle);
3672
3673 d.RFromAxisAndAngle(out R, v3.X, v3.Y, v3.Z, angle);
3674 d.GeomSetRotation(WaterGeom, ref R);
3675 d.GeomSetPosition(WaterGeom, 128, 128, 0);
3676
3677 }
3678
3679 }
3680
3681 public override void Dispose()
3682 {
3683 m_rayCastManager.Dispose();
3684 m_rayCastManager = null;
3685
3686 lock (OdeLock)
3687 {
3688 lock (_prims)
3689 {
3690 foreach (OdePrim prm in _prims)
3691 {
3692 RemovePrim(prm);
3693 }
3694 }
3695
3696 //foreach (OdeCharacter act in _characters)
3697 //{
3698 //RemoveAvatar(act);
3699 //}
3700 d.WorldDestroy(world);
3701 //d.CloseODE();
3702 }
3703 }
3704 public override Dictionary<uint, float> GetTopColliders()
3705 {
3706 Dictionary<uint, float> returncolliders = new Dictionary<uint, float>();
3707 int cnt = 0;
3708 lock (_prims)
3709 {
3710 foreach (OdePrim prm in _prims)
3711 {
3712 if (prm.CollisionScore > 0)
3713 {
3714 returncolliders.Add(prm.m_localID, prm.CollisionScore);
3715 cnt++;
3716 prm.CollisionScore = 0f;
3717 if (cnt > 25)
3718 {
3719 break;
3720 }
3721 }
3722 }
3723 }
3724 return returncolliders;
3725 }
3726
3727 public override bool SupportsRayCast()
3728 {
3729 return true;
3730 }
3731
3732 public override void RaycastWorld(Vector3 position, Vector3 direction, float length, RaycastCallback retMethod)
3733 {
3734 if (retMethod != null)
3735 {
3736 m_rayCastManager.QueueRequest(position, direction, length, retMethod);
3737 }
3738 }
3739
3740#if USE_DRAWSTUFF
3741 // Keyboard callback
3742 public void command(int cmd)
3743 {
3744 IntPtr geom;
3745 d.Mass mass;
3746 d.Vector3 sides = new d.Vector3(d.RandReal() * 0.5f + 0.1f, d.RandReal() * 0.5f + 0.1f, d.RandReal() * 0.5f + 0.1f);
3747
3748
3749
3750 Char ch = Char.ToLower((Char)cmd);
3751 switch ((Char)ch)
3752 {
3753 case 'w':
3754 try
3755 {
3756 Vector3 rotate = (new Vector3(1, 0, 0) * Quaternion.CreateFromEulers(hpr.Z * Utils.DEG_TO_RAD, hpr.Y * Utils.DEG_TO_RAD, hpr.X * Utils.DEG_TO_RAD));
3757
3758 xyz.X += rotate.X; xyz.Y += rotate.Y; xyz.Z += rotate.Z;
3759 ds.SetViewpoint(ref xyz, ref hpr);
3760 }
3761 catch (ArgumentException)
3762 { hpr.X = 0; }
3763 break;
3764
3765 case 'a':
3766 hpr.X++;
3767 ds.SetViewpoint(ref xyz, ref hpr);
3768 break;
3769
3770 case 's':
3771 try
3772 {
3773 Vector3 rotate2 = (new Vector3(-1, 0, 0) * Quaternion.CreateFromEulers(hpr.Z * Utils.DEG_TO_RAD, hpr.Y * Utils.DEG_TO_RAD, hpr.X * Utils.DEG_TO_RAD));
3774
3775 xyz.X += rotate2.X; xyz.Y += rotate2.Y; xyz.Z += rotate2.Z;
3776 ds.SetViewpoint(ref xyz, ref hpr);
3777 }
3778 catch (ArgumentException)
3779 { hpr.X = 0; }
3780 break;
3781 case 'd':
3782 hpr.X--;
3783 ds.SetViewpoint(ref xyz, ref hpr);
3784 break;
3785 case 'r':
3786 xyz.Z++;
3787 ds.SetViewpoint(ref xyz, ref hpr);
3788 break;
3789 case 'f':
3790 xyz.Z--;
3791 ds.SetViewpoint(ref xyz, ref hpr);
3792 break;
3793 case 'e':
3794 xyz.Y++;
3795 ds.SetViewpoint(ref xyz, ref hpr);
3796 break;
3797 case 'q':
3798 xyz.Y--;
3799 ds.SetViewpoint(ref xyz, ref hpr);
3800 break;
3801 }
3802 }
3803
3804 public void step(int pause)
3805 {
3806
3807 ds.SetColor(1.0f, 1.0f, 0.0f);
3808 ds.SetTexture(ds.Texture.Wood);
3809 lock (_prims)
3810 {
3811 foreach (OdePrim prm in _prims)
3812 {
3813 //IntPtr body = d.GeomGetBody(prm.prim_geom);
3814 if (prm.prim_geom != IntPtr.Zero)
3815 {
3816 d.Vector3 pos;
3817 d.GeomCopyPosition(prm.prim_geom, out pos);
3818 //d.BodyCopyPosition(body, out pos);
3819
3820 d.Matrix3 R;
3821 d.GeomCopyRotation(prm.prim_geom, out R);
3822 //d.BodyCopyRotation(body, out R);
3823
3824
3825 d.Vector3 sides = new d.Vector3();
3826 sides.X = prm.Size.X;
3827 sides.Y = prm.Size.Y;
3828 sides.Z = prm.Size.Z;
3829
3830 ds.DrawBox(ref pos, ref R, ref sides);
3831 }
3832 }
3833 }
3834 ds.SetColor(1.0f, 0.0f, 0.0f);
3835 lock (_characters)
3836 {
3837 foreach (OdeCharacter chr in _characters)
3838 {
3839 if (chr.Shell != IntPtr.Zero)
3840 {
3841 IntPtr body = d.GeomGetBody(chr.Shell);
3842
3843 d.Vector3 pos;
3844 d.GeomCopyPosition(chr.Shell, out pos);
3845 //d.BodyCopyPosition(body, out pos);
3846
3847 d.Matrix3 R;
3848 d.GeomCopyRotation(chr.Shell, out R);
3849 //d.BodyCopyRotation(body, out R);
3850
3851 ds.DrawCapsule(ref pos, ref R, chr.Size.Z, 0.35f);
3852 d.Vector3 sides = new d.Vector3();
3853 sides.X = 0.5f;
3854 sides.Y = 0.5f;
3855 sides.Z = 0.5f;
3856
3857 ds.DrawBox(ref pos, ref R, ref sides);
3858 }
3859 }
3860 }
3861 }
3862
3863 public void start(int unused)
3864 {
3865 ds.SetViewpoint(ref xyz, ref hpr);
3866 }
3867#endif
3868 }
3869}
generated by cgit v1.1 at 2024-12-21 18:28:25 +0000