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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
28using System;
29using System.Collections.Generic;
30using System.Reflection;
31using OpenMetaverse;
32using Ode.NET;
33using OpenSim.Framework;
34using OpenSim.Region.Physics.Manager;
35using log4net;
36
37namespace OpenSim.Region.Physics.OdePlugin
38{
39 /// <summary>
40 /// Various properties that ODE uses for AMotors but isn't exposed in ODE.NET so we must define them ourselves.
41 /// </summary>
42
43 public enum dParam : int
44 {
45 LowStop = 0,
46 HiStop = 1,
47 Vel = 2,
48 FMax = 3,
49 FudgeFactor = 4,
50 Bounce = 5,
51 CFM = 6,
52 StopERP = 7,
53 StopCFM = 8,
54 LoStop2 = 256,
55 HiStop2 = 257,
56 Vel2 = 258,
57 FMax2 = 259,
58 StopERP2 = 7 + 256,
59 StopCFM2 = 8 + 256,
60 LoStop3 = 512,
61 HiStop3 = 513,
62 Vel3 = 514,
63 FMax3 = 515,
64 StopERP3 = 7 + 512,
65 StopCFM3 = 8 + 512
66 }
67 public class OdeCharacter : PhysicsActor
68 {
69 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
70
71 private Vector3 _position;
72 private d.Vector3 _zeroPosition;
73 // private d.Matrix3 m_StandUpRotation;
74 private bool _zeroFlag = false;
75 private bool m_lastUpdateSent = false;
76 private Vector3 _velocity;
77 private Vector3 _target_velocity;
78 private Vector3 _acceleration;
79 private Vector3 m_rotationalVelocity;
80 private float m_mass = 80f;
81 public float m_density = 60f;
82 private bool m_pidControllerActive = true;
83 public float PID_D = 800.0f;
84 public float PID_P = 900.0f;
85 //private static float POSTURE_SERVO = 10000.0f;
86 public float CAPSULE_RADIUS = 0.37f;
87 public float CAPSULE_LENGTH = 2.140599f;
88 public float m_tensor = 3800000f;
89 public float heightFudgeFactor = 0.52f;
90 public float walkDivisor = 1.3f;
91 public float runDivisor = 0.8f;
92 private bool flying = false;
93 private bool jumping = false; // add for jumping
94 private bool m_iscolliding = false;
95 private bool m_iscollidingGround = false;
96 private bool m_wascolliding = false;
97 private bool m_wascollidingGround = false;
98 private bool m_iscollidingObj = false;
99 private bool m_alwaysRun = false;
100 private bool m_hackSentFall = false;
101 private bool m_hackSentFly = false;
102 private int m_requestedUpdateFrequency = 0;
103 private Vector3 m_taintPosition = Vector3.Zero;
104 public uint m_localID = 0;
105 public bool m_returnCollisions = false;
106 // taints and their non-tainted counterparts
107 public bool m_isPhysical = false; // the current physical status
108 public bool m_tainted_isPhysical = false; // set when the physical status is tainted (false=not existing in physics engine, true=existing)
109 public float MinimumGroundFlightOffset = 3f;
110
111 private float m_tainted_CAPSULE_LENGTH; // set when the capsule length changes.
112 private float m_tiltMagnitudeWhenProjectedOnXYPlane = 0.1131371f; // used to introduce a fixed tilt because a straight-up capsule falls through terrain, probably a bug in terrain collider
113
114
115 private float m_buoyancy = 0f;
116
117 // private CollisionLocker ode;
118
119 private string m_name = String.Empty;
120
121 private bool[] m_colliderarr = new bool[11];
122 private bool[] m_colliderGroundarr = new bool[11];
123
124 // Default we're a Character
125 private CollisionCategories m_collisionCategories = (CollisionCategories.Character);
126
127 // Default, Collide with Other Geometries, spaces, bodies and characters.
128 private CollisionCategories m_collisionFlags = (CollisionCategories.Geom
129 | CollisionCategories.Space
130 | CollisionCategories.Body
131 | CollisionCategories.Character
132 | CollisionCategories.Land);
133 public IntPtr Body = IntPtr.Zero;
134 private OdeScene _parent_scene;
135 public IntPtr Shell = IntPtr.Zero;
136 public IntPtr Amotor = IntPtr.Zero;
137 public d.Mass ShellMass;
138 public bool collidelock = false;
139
140 public int m_eventsubscription = 0;
141 private CollisionEventUpdate CollisionEventsThisFrame = new CollisionEventUpdate();
142
143 // unique UUID of this character object
144 public UUID m_uuid;
145 public bool bad = false;
146 private Object m_syncRoot = new Object();
147
148 public OdeCharacter(String avName, OdeScene parent_scene, Vector3 pos, CollisionLocker dode, Vector3 size, float pid_d, float pid_p, float capsule_radius, float tensor, float density, float height_fudge_factor, float walk_divisor, float rundivisor)
149 {
150 m_uuid = UUID.Random();
151
152 if (pos.IsFinite())
153 {
154 if (pos.Z > 9999999f)
155 {
156 pos.Z = parent_scene.GetTerrainHeightAtXY(127, 127) + 5;
157 }
158 if (pos.Z < -90000f)
159 {
160 pos.Z = parent_scene.GetTerrainHeightAtXY(127, 127) + 5;
161 }
162 _position = pos;
163 m_taintPosition.X = pos.X;
164 m_taintPosition.Y = pos.Y;
165 m_taintPosition.Z = pos.Z;
166 }
167 else
168 {
169 _position = new Vector3(((float)_parent_scene.WorldExtents.X * 0.5f), ((float)_parent_scene.WorldExtents.Y * 0.5f), parent_scene.GetTerrainHeightAtXY(128f, 128f) + 10f);
170 m_taintPosition.X = _position.X;
171 m_taintPosition.Y = _position.Y;
172 m_taintPosition.Z = _position.Z;
173 m_log.Warn("[PHYSICS]: Got NaN Position on Character Create");
174 }
175
176 _parent_scene = parent_scene;
177
178 PID_D = pid_d;
179 PID_P = pid_p;
180 CAPSULE_RADIUS = capsule_radius;
181 m_tensor = tensor;
182 m_density = density;
183 heightFudgeFactor = height_fudge_factor;
184 walkDivisor = walk_divisor;
185 runDivisor = rundivisor;
186
187 // m_StandUpRotation =
188 // new d.Matrix3(0.5f, 0.7071068f, 0.5f, -0.7071068f, 0f, 0.7071068f, 0.5f, -0.7071068f,
189 // 0.5f);
190
191 for (int i = 0; i < 11; i++)
192 {
193 m_colliderarr[i] = false;
194 }
195 CAPSULE_LENGTH = (size.Z * 1.15f) - CAPSULE_RADIUS * 2.0f;
196 //m_log.Info("[SIZE]: " + CAPSULE_LENGTH.ToString());
197 m_tainted_CAPSULE_LENGTH = CAPSULE_LENGTH;
198
199 m_isPhysical = false; // current status: no ODE information exists
200 m_tainted_isPhysical = true; // new tainted status: need to create ODE information
201
202 _parent_scene.AddPhysicsActorTaint(this);
203
204 m_name = avName;
205 }
206
207 public override int PhysicsActorType
208 {
209 get { return (int) ActorTypes.Agent; }
210 set { return; }
211 }
212
213 /// <summary>
214 /// If this is set, the avatar will move faster
215 /// </summary>
216 public override bool SetAlwaysRun
217 {
218 get { return m_alwaysRun; }
219 set { m_alwaysRun = value; }
220 }
221
222 public override uint LocalID
223 {
224 set { m_localID = value; }
225 }
226
227 public override bool Grabbed
228 {
229 set { return; }
230 }
231
232 public override bool Selected
233 {
234// set { return; }
235 set { jumping = value; } // add for jumping flag
236 }
237
238 public override float Buoyancy
239 {
240 get { return m_buoyancy; }
241 set { m_buoyancy = value; }
242 }
243
244 public override bool FloatOnWater
245 {
246 set { return; }
247 }
248
249 public override bool IsPhysical
250 {
251 get { return false; }
252 set { return; }
253 }
254
255 public override bool ThrottleUpdates
256 {
257 get { return false; }
258 set { return; }
259 }
260
261 public override bool Flying
262 {
263 get { return flying; }
264 set { flying = value; }
265 }
266
267 /// <summary>
268 /// Returns if the avatar is colliding in general.
269 /// This includes the ground and objects and avatar.
270 /// </summary>
271 public override bool IsColliding
272 {
273//#@ get { return m_iscolliding; }
274 get { //##
275//Console.WriteLine(">>>>>>>>>>>> IC get = {0}", m_iscolliding); //##
276 return m_iscolliding; } //##
277 set
278 {
279 int i;
280 int truecount = 0;
281 int falsecount = 0;
282
283 if (m_colliderarr.Length >= 10)
284 {
285 for (i = 0; i < 10; i++)
286 {
287 m_colliderarr[i] = m_colliderarr[i + 1];
288 }
289 }
290 m_colliderarr[10] = value;
291
292 for (i = 0; i < 11; i++)
293 {
294 if (m_colliderarr[i])
295 {
296 truecount++;
297 }
298 else
299 {
300 falsecount++;
301 }
302 }
303
304 // Equal truecounts and false counts means we're colliding with something.
305
306 if (falsecount > 1.2*truecount)
307 {
308 m_iscolliding = false;
309 }
310 else
311 {
312 m_iscolliding = true;
313 }
314// ## Console.WriteLine("IC SET = {0} t{1} f{2} i {3}", value, truecount, falsecount, m_iscolliding);
315 if (m_wascolliding != m_iscolliding)
316 {
317 //base.SendCollisionUpdate(new CollisionEventUpdate());
318 }
319 m_wascolliding = m_iscolliding;
320 }
321 }
322
323 /// <summary>
324 /// Returns if an avatar is colliding with the ground
325 /// </summary>
326 public override bool CollidingGround
327 {
328 get { return m_iscollidingGround; }
329 set
330 {
331 // Collisions against the ground are not really reliable
332 // So, to get a consistant value we have to average the current result over time
333 // Currently we use 1 second = 10 calls to this.
334 int i;
335 int truecount = 0;
336 int falsecount = 0;
337
338 if (m_colliderGroundarr.Length >= 10)
339 {
340 for (i = 0; i < 10; i++)
341 {
342 m_colliderGroundarr[i] = m_colliderGroundarr[i + 1];
343 }
344 }
345 m_colliderGroundarr[10] = value;
346
347 for (i = 0; i < 11; i++)
348 {
349 if (m_colliderGroundarr[i])
350 {
351 truecount++;
352 }
353 else
354 {
355 falsecount++;
356 }
357 }
358
359 // Equal truecounts and false counts means we're colliding with something.
360
361 if (falsecount > 1.2*truecount)
362 {
363 m_iscollidingGround = false;
364 }
365 else
366 {
367 m_iscollidingGround = true;
368 }
369 if (m_wascollidingGround != m_iscollidingGround)
370 {
371 //base.SendCollisionUpdate(new CollisionEventUpdate());
372 }
373 m_wascollidingGround = m_iscollidingGround;
374 }
375 }
376
377 /// <summary>
378 /// Returns if the avatar is colliding with an object
379 /// </summary>
380 public override bool CollidingObj
381 {
382 get { return m_iscollidingObj; }
383 set
384 {
385 m_iscollidingObj = value;
386 if (value)
387 m_pidControllerActive = false;
388 else
389 m_pidControllerActive = true;
390 }
391 }
392
393 /// <summary>
394 /// turn the PID controller on or off.
395 /// The PID Controller will turn on all by itself in many situations
396 /// </summary>
397 /// <param name="status"></param>
398 public void SetPidStatus(bool status)
399 {
400 m_pidControllerActive = status;
401 }
402
403 public override bool Stopped
404 {
405 get { return _zeroFlag; }
406 }
407
408 /// <summary>
409 /// This 'puts' an avatar somewhere in the physics space.
410 /// Not really a good choice unless you 'know' it's a good
411 /// spot otherwise you're likely to orbit the avatar.
412 /// </summary>
413 public override Vector3 Position
414 {
415 get { return _position; }
416 set
417 {
418 if (Body == IntPtr.Zero || Shell == IntPtr.Zero)
419 {
420 if (value.IsFinite())
421 {
422 if (value.Z > 9999999f)
423 {
424 value.Z = _parent_scene.GetTerrainHeightAtXY(127, 127) + 5;
425 }
426 if (value.Z < -90000f)
427 {
428 value.Z = _parent_scene.GetTerrainHeightAtXY(127, 127) + 5;
429 }
430
431 _position.X = value.X;
432 _position.Y = value.Y;
433 _position.Z = value.Z;
434
435 m_taintPosition.X = value.X;
436 m_taintPosition.Y = value.Y;
437 m_taintPosition.Z = value.Z;
438 _parent_scene.AddPhysicsActorTaint(this);
439 }
440 else
441 {
442 m_log.Warn("[PHYSICS]: Got a NaN Position from Scene on a Character");
443 }
444 }
445 }
446 }
447
448 public override Vector3 RotationalVelocity
449 {
450 get { return m_rotationalVelocity; }
451 set { m_rotationalVelocity = value; }
452 }
453
454 /// <summary>
455 /// This property sets the height of the avatar only. We use the height to make sure the avatar stands up straight
456 /// and use it to offset landings properly
457 /// </summary>
458 public override Vector3 Size
459 {
460 get { return new Vector3(CAPSULE_RADIUS * 2, CAPSULE_RADIUS * 2, CAPSULE_LENGTH); }
461 set
462 {
463 if (value.IsFinite())
464 {
465 m_pidControllerActive = true;
466
467 Vector3 SetSize = value;
468 m_tainted_CAPSULE_LENGTH = (SetSize.Z*1.15f) - CAPSULE_RADIUS*2.0f;
469 //m_log.Info("[SIZE]: " + CAPSULE_LENGTH.ToString());
470
471 Velocity = Vector3.Zero;
472 m_taintPosition = _position; // update the stale taint position
473 _parent_scene.AddPhysicsActorTaint(this);
474 }
475 else
476 {
477 m_log.Warn("[PHYSICS]: Got a NaN Size from Scene on a Character");
478 }
479 }
480 }
481
482 private void AlignAvatarTiltWithCurrentDirectionOfMovement(Vector3 movementVector)
483 {
484 movementVector.Z = 0f;
485 float magnitude = (float)Math.Sqrt((double)(movementVector.X * movementVector.X + movementVector.Y * movementVector.Y));
486 if (magnitude < 0.1f) return;
487
488 // normalize the velocity vector
489 float invMagnitude = 1.0f / magnitude;
490 movementVector.X *= invMagnitude;
491 movementVector.Y *= invMagnitude;
492
493 // if we change the capsule heading too often, the capsule can fall down
494 // therefore we snap movement vector to just 1 of 4 predefined directions (ne, nw, se, sw),
495 // meaning only 4 possible capsule tilt orientations
496 if (movementVector.X > 0)
497 {
498 // east
499 if (movementVector.Y > 0)
500 {
501 // northeast
502 movementVector.X = (float)Math.Sqrt(2.0);
503 movementVector.Y = (float)Math.Sqrt(2.0);
504 }
505 else
506 {
507 // southeast
508 movementVector.X = (float)Math.Sqrt(2.0);
509 movementVector.Y = -(float)Math.Sqrt(2.0);
510 }
511 }
512 else
513 {
514 // west
515 if (movementVector.Y > 0)
516 {
517 // northwest
518 movementVector.X = -(float)Math.Sqrt(2.0);
519 movementVector.Y = (float)Math.Sqrt(2.0);
520 }
521 else
522 {
523 // southwest
524 movementVector.X = -(float)Math.Sqrt(2.0);
525 movementVector.Y = -(float)Math.Sqrt(2.0);
526 }
527 }
528
529
530 // movementVector.Z is zero
531
532 // calculate tilt components based on desired amount of tilt and current (snapped) heading.
533 // the "-" sign is to force the tilt to be OPPOSITE the direction of movement.
534 float xTiltComponent = -movementVector.X * m_tiltMagnitudeWhenProjectedOnXYPlane;
535 float yTiltComponent = -movementVector.Y * m_tiltMagnitudeWhenProjectedOnXYPlane;
536
537 //m_log.Debug("[PHYSICS] changing avatar tilt");
538 d.JointSetAMotorParam(Amotor, (int)dParam.LowStop, xTiltComponent);
539 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop, xTiltComponent); // must be same as lowstop, else a different, spurious tilt is introduced
540 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop2, yTiltComponent);
541 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop2, yTiltComponent); // same as lowstop
542 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop3, 0f);
543 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop3, 0f); // same as lowstop
544 }
545
546 /// <summary>
547 /// This creates the Avatar's physical Surrogate at the position supplied
548 /// </summary>
549 /// <param name="npositionX"></param>
550 /// <param name="npositionY"></param>
551 /// <param name="npositionZ"></param>
552
553 // WARNING: This MUST NOT be called outside of ProcessTaints, else we can have unsynchronized access
554 // to ODE internals. ProcessTaints is called from within thread-locked Simulate(), so it is the only
555 // place that is safe to call this routine AvatarGeomAndBodyCreation.
556 private void AvatarGeomAndBodyCreation(float npositionX, float npositionY, float npositionZ, float tensor)
557 {
558 //CAPSULE_LENGTH = -5;
559 //CAPSULE_RADIUS = -5;
560 int dAMotorEuler = 1;
561 _parent_scene.waitForSpaceUnlock(_parent_scene.space);
562 if (CAPSULE_LENGTH <= 0)
563 {
564 m_log.Warn("[PHYSICS]: The capsule size you specified in opensim.ini is invalid! Setting it to the smallest possible size!");
565 CAPSULE_LENGTH = 0.01f;
566
567 }
568
569 if (CAPSULE_RADIUS <= 0)
570 {
571 m_log.Warn("[PHYSICS]: The capsule size you specified in opensim.ini is invalid! Setting it to the smallest possible size!");
572 CAPSULE_RADIUS = 0.01f;
573
574 }
575
576 if(Shell != IntPtr.Zero)
577 {
578 try
579 {
580 d.GeomDestroy(Shell);
581 }
582 catch (System.AccessViolationException)
583 {
584 m_log.Error("[PHYSICS]: PrimGeom dead");
585 }
586 // Remove any old entries
587//string tShell;
588//_parent_scene.geom_name_map.TryGetValue(Shell, out tShell);
589//Console.WriteLine("**** Remove {0}", tShell);
590 if(_parent_scene.geom_name_map.ContainsKey(Shell)) _parent_scene.geom_name_map.Remove(Shell);
591 if(_parent_scene.actor_name_map.ContainsKey(Shell)) _parent_scene.actor_name_map.Remove(Shell);
592 }
593
594 Shell = d.CreateCapsule(_parent_scene.space, CAPSULE_RADIUS, CAPSULE_LENGTH);
595 _parent_scene.geom_name_map[Shell] = m_name;
596 _parent_scene.actor_name_map[Shell] = (PhysicsActor)this;
597Console.WriteLine("**** Create {2} Dicts: actor={0} name={1} height={3} rad={4}", _parent_scene.actor_name_map.Count, _parent_scene.geom_name_map.Count, m_name, CAPSULE_LENGTH, CAPSULE_RADIUS);
598
599 d.GeomSetCategoryBits(Shell, (int)m_collisionCategories);
600 d.GeomSetCollideBits(Shell, (int)m_collisionFlags);
601
602 d.MassSetCapsuleTotal(out ShellMass, m_mass, 2, CAPSULE_RADIUS, CAPSULE_LENGTH);
603 Body = d.BodyCreate(_parent_scene.world);
604 d.BodySetPosition(Body, npositionX, npositionY, npositionZ);
605
606 _position.X = npositionX;
607 _position.Y = npositionY;
608 _position.Z = npositionZ;
609
610
611 m_taintPosition.X = npositionX;
612 m_taintPosition.Y = npositionY;
613 m_taintPosition.Z = npositionZ;
614
615 d.BodySetMass(Body, ref ShellMass);
616 d.Matrix3 m_caprot;
617 // 90 Stand up on the cap of the capped cyllinder
618 if (_parent_scene.IsAvCapsuleTilted)
619 {
620 d.RFromAxisAndAngle(out m_caprot, 1, 0, 1, (float)(Math.PI / 2));
621 }
622 else
623 {
624 d.RFromAxisAndAngle(out m_caprot, 0, 0, 1, (float)(Math.PI / 2));
625 }
626
627
628 d.GeomSetRotation(Shell, ref m_caprot);
629 d.BodySetRotation(Body, ref m_caprot);
630
631 d.GeomSetBody(Shell, Body);
632
633
634 // The purpose of the AMotor here is to keep the avatar's physical
635 // surrogate from rotating while moving
636 Amotor = d.JointCreateAMotor(_parent_scene.world, IntPtr.Zero);
637 d.JointAttach(Amotor, Body, IntPtr.Zero);
638 d.JointSetAMotorMode(Amotor, dAMotorEuler);
639 d.JointSetAMotorNumAxes(Amotor, 3);
640 d.JointSetAMotorAxis(Amotor, 0, 0, 1, 0, 0);
641 d.JointSetAMotorAxis(Amotor, 1, 0, 0, 1, 0);
642 d.JointSetAMotorAxis(Amotor, 2, 0, 0, 0, 1);
643 d.JointSetAMotorAngle(Amotor, 0, 0);
644 d.JointSetAMotorAngle(Amotor, 1, 0);
645 d.JointSetAMotorAngle(Amotor, 2, 0);
646
647 // These lowstops and high stops are effectively (no wiggle room)
648 if (_parent_scene.IsAvCapsuleTilted)
649 {
650 d.JointSetAMotorParam(Amotor, (int)dParam.LowStop, -0.000000000001f);
651 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop3, -0.000000000001f);
652 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop2, -0.000000000001f);
653 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop, 0.000000000001f);
654 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop3, 0.000000000001f);
655 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop2, 0.000000000001f);
656 }
657 else
658 {
659 #region Documentation of capsule motor LowStop and HighStop parameters
660 // Intentionally introduce some tilt into the capsule by setting
661 // the motor stops to small epsilon values. This small tilt prevents
662 // the capsule from falling into the terrain; a straight-up capsule
663 // (with -0..0 motor stops) falls into the terrain for reasons yet
664 // to be comprehended in their entirety.
665 #endregion
666 AlignAvatarTiltWithCurrentDirectionOfMovement(Vector3.Zero);
667 d.JointSetAMotorParam(Amotor, (int)dParam.LowStop, 0.08f);
668 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop3, -0f);
669 d.JointSetAMotorParam(Amotor, (int)dParam.LoStop2, 0.08f);
670 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop, 0.08f); // must be same as lowstop, else a different, spurious tilt is introduced
671 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop3, 0f); // same as lowstop
672 d.JointSetAMotorParam(Amotor, (int)dParam.HiStop2, 0.08f); // same as lowstop
673 }
674
675 // Fudge factor is 1f by default, we're setting it to 0. We don't want it to Fudge or the
676 // capped cyllinder will fall over
677 d.JointSetAMotorParam(Amotor, (int)dParam.FudgeFactor, 0f);
678 d.JointSetAMotorParam(Amotor, (int)dParam.FMax, tensor);
679
680 //d.Matrix3 bodyrotation = d.BodyGetRotation(Body);
681 //d.QfromR(
682 //d.Matrix3 checkrotation = new d.Matrix3(0.7071068,0.5, -0.7071068,
683 //
684 //m_log.Info("[PHYSICSAV]: Rotation: " + bodyrotation.M00 + " : " + bodyrotation.M01 + " : " + bodyrotation.M02 + " : " + bodyrotation.M10 + " : " + bodyrotation.M11 + " : " + bodyrotation.M12 + " : " + bodyrotation.M20 + " : " + bodyrotation.M21 + " : " + bodyrotation.M22);
685 //standupStraight();
686 }
687
688 //
689 /// <summary>
690 /// Uses the capped cyllinder volume formula to calculate the avatar's mass.
691 /// This may be used in calculations in the scene/scenepresence
692 /// </summary>
693 public override float Mass
694 {
695 get
696 {
697 float AVvolume = (float) (Math.PI*Math.Pow(CAPSULE_RADIUS, 2)*CAPSULE_LENGTH);
698 return m_density*AVvolume;
699 }
700 }
701 public override void link(PhysicsActor obj)
702 {
703
704 }
705
706 public override void delink()
707 {
708
709 }
710
711 public override void LockAngularMotion(Vector3 axis)
712 {
713
714 }
715
716// This code is very useful. Written by DanX0r. We're just not using it right now.
717// Commented out to prevent a warning.
718//
719// private void standupStraight()
720// {
721// // The purpose of this routine here is to quickly stabilize the Body while it's popped up in the air.
722// // The amotor needs a few seconds to stabilize so without it, the avatar shoots up sky high when you
723// // change appearance and when you enter the simulator
724// // After this routine is done, the amotor stabilizes much quicker
725// d.Vector3 feet;
726// d.Vector3 head;
727// d.BodyGetRelPointPos(Body, 0.0f, 0.0f, -1.0f, out feet);
728// d.BodyGetRelPointPos(Body, 0.0f, 0.0f, 1.0f, out head);
729// float posture = head.Z - feet.Z;
730
731// // restoring force proportional to lack of posture:
732// float servo = (2.5f - posture) * POSTURE_SERVO;
733// d.BodyAddForceAtRelPos(Body, 0.0f, 0.0f, servo, 0.0f, 0.0f, 1.0f);
734// d.BodyAddForceAtRelPos(Body, 0.0f, 0.0f, -servo, 0.0f, 0.0f, -1.0f);
735// //d.Matrix3 bodyrotation = d.BodyGetRotation(Body);
736// //m_log.Info("[PHYSICSAV]: Rotation: " + bodyrotation.M00 + " : " + bodyrotation.M01 + " : " + bodyrotation.M02 + " : " + bodyrotation.M10 + " : " + bodyrotation.M11 + " : " + bodyrotation.M12 + " : " + bodyrotation.M20 + " : " + bodyrotation.M21 + " : " + bodyrotation.M22);
737// }
738
739 public override Vector3 Force
740 {
741 get { return _target_velocity; }
742 set { return; }
743 }
744
745 public override int VehicleType
746 {
747 get { return 0; }
748 set { return; }
749 }
750
751 public override void VehicleFloatParam(int param, float value)
752 {
753
754 }
755
756 public override void VehicleVectorParam(int param, Vector3 value)
757 {
758
759 }
760
761 public override void VehicleRotationParam(int param, Quaternion rotation)
762 {
763
764 }
765
766 public override void VehicleFlags(int flags, bool remove)
767 {
768 }
769
770 public override void SetVolumeDetect(int param)
771 {
772
773 }
774
775 public override Vector3 CenterOfMass
776 {
777 get { return Vector3.Zero; }
778 }
779
780 public override Vector3 GeometricCenter
781 {
782 get { return Vector3.Zero; }
783 }
784
785 public override PrimitiveBaseShape Shape
786 {
787 set { return; }
788 }
789
790 public override Vector3 Velocity
791 {
792 get {
793 // There's a problem with Vector3.Zero! Don't Use it Here!
794 if (_zeroFlag)
795 return Vector3.Zero;
796 m_lastUpdateSent = false;
797 return _velocity;
798 }
799 set
800 {
801 if (value.IsFinite())
802 {
803 m_pidControllerActive = true;
804 _target_velocity = value;
805 }
806 else
807 {
808 m_log.Warn("[PHYSICS]: Got a NaN velocity from Scene in a Character");
809 }
810 }
811 }
812
813 public override Vector3 Torque
814 {
815 get { return Vector3.Zero; }
816 set { return; }
817 }
818
819 public override float CollisionScore
820 {
821 get { return 0f; }
822 set { }
823 }
824
825 public override bool Kinematic
826 {
827 get { return false; }
828 set { }
829 }
830
831 public override Quaternion Orientation
832 {
833 get { return Quaternion.Identity; }
834 set {
835 //Matrix3 or = Orientation.ToRotationMatrix();
836 //d.Matrix3 ord = new d.Matrix3(or.m00, or.m10, or.m20, or.m01, or.m11, or.m21, or.m02, or.m12, or.m22);
837 //d.BodySetRotation(Body, ref ord);
838 }
839 }
840
841 public override Vector3 Acceleration
842 {
843 get { return _acceleration; }
844 }
845
846 public void SetAcceleration(Vector3 accel)
847 {
848 m_pidControllerActive = true;
849 _acceleration = accel;
850 }
851
852 /// <summary>
853 /// Adds the force supplied to the Target Velocity
854 /// The PID controller takes this target velocity and tries to make it a reality
855 /// </summary>
856 /// <param name="force"></param>
857 public override void AddForce(Vector3 force, bool pushforce)
858 {
859 if (force.IsFinite())
860 {
861 if (pushforce)
862 {
863 m_pidControllerActive = false;
864 force *= 100f;
865//Console.WriteLine("DF 1"); // ##
866 if (!force.ApproxEquals(Vector3.Zero, 0.01f))
867 doForce(force);
868 // If uncommented, things get pushed off world
869 //
870 // m_log.Debug("Push!");
871 // _target_velocity.X += force.X;
872 // _target_velocity.Y += force.Y;
873 // _target_velocity.Z += force.Z;
874 }
875 else
876 {
877 m_pidControllerActive = true;
878 _target_velocity.X += force.X;
879 _target_velocity.Y += force.Y;
880 _target_velocity.Z += force.Z;
881 }
882 }
883 else
884 {
885 m_log.Warn("[PHYSICS]: Got a NaN force applied to a Character");
886 }
887 //m_lastUpdateSent = false;
888 }
889
890 public override void AddAngularForce(Vector3 force, bool pushforce)
891 {
892
893 }
894
895 /// <summary>
896 /// After all of the forces add up with 'add force' we apply them with doForce
897 /// </summary>
898 /// <param name="force"></param>
899 public void doForce(Vector3 force)
900 {
901 if (!collidelock)
902 {
903 d.BodyAddForce(Body, force.X, force.Y, force.Z);
904 //d.BodySetRotation(Body, ref m_StandUpRotation);
905 //standupStraight();
906 d.Vector3 vel = d.BodyGetLinearVel(Body); //##
907//Console.WriteLine("AvVel <{0},{1},{2}>", vel.X, vel.Y, vel.Z); //##
908 }
909 }
910
911 public override void SetMomentum(Vector3 momentum)
912 {
913 }
914
915
916 /// <summary>
917 /// Called from Simulate
918 /// This is the avatar's movement control + PID Controller
919 /// </summary>
920 /// <param name="timeStep"></param>
921 public void Move(float timeStep, List<OdeCharacter> defects)
922 {
923 // no lock; for now it's only called from within Simulate()
924
925 // If the PID Controller isn't active then we set our force
926 // calculating base velocity to the current position
927
928 if (Body == IntPtr.Zero)
929 return;
930
931 if (m_pidControllerActive == false)
932 {
933 _zeroPosition = d.BodyGetPosition(Body);
934 }
935 //PidStatus = true;
936
937 d.Vector3 localpos = d.BodyGetPosition(Body);
938 Vector3 localPos = new Vector3(localpos.X, localpos.Y, localpos.Z);
939
940 if (!localPos.IsFinite())
941 {
942
943 m_log.Warn("[PHYSICS]: Avatar Position is non-finite!");
944 defects.Add(this);
945 // _parent_scene.RemoveCharacter(this);
946
947 // destroy avatar capsule and related ODE data
948 if (Amotor != IntPtr.Zero)
949 {
950 // Kill the Amotor
951 d.JointDestroy(Amotor);
952 Amotor = IntPtr.Zero;
953 }
954
955 //kill the Geometry
956 _parent_scene.waitForSpaceUnlock(_parent_scene.space);
957
958 if (Body != IntPtr.Zero)
959 {
960 //kill the body
961 d.BodyDestroy(Body);
962
963 Body = IntPtr.Zero;
964 }
965
966 if(Shell != IntPtr.Zero)
967 {
968 try
969 {
970 d.GeomDestroy(Shell);
971 }
972 catch (System.AccessViolationException)
973 {
974 m_log.Error("[PHYSICS]: PrimGeom dead");
975 }
976 // Remove any old entries
977//string tShell;
978//_parent_scene.geom_name_map.TryGetValue(Shell, out tShell);
979//Console.WriteLine("**** Remove {0}", tShell);
980
981 if(_parent_scene.geom_name_map.ContainsKey(Shell)) _parent_scene.geom_name_map.Remove(Shell);
982 if(_parent_scene.actor_name_map.ContainsKey(Shell)) _parent_scene.actor_name_map.Remove(Shell);
983 Shell = IntPtr.Zero;
984 }
985
986 return;
987 }
988
989 Vector3 vec = Vector3.Zero;
990 d.Vector3 vel = d.BodyGetLinearVel(Body);
991
992 float movementdivisor = 1f;
993
994 if (!m_alwaysRun)
995 {
996 movementdivisor = walkDivisor;
997 }
998 else
999 {
1000 movementdivisor = runDivisor;
1001 }
1002
1003 // if velocity is zero, use position control; otherwise, velocity control
1004 if (_target_velocity.X == 0.0f && _target_velocity.Y == 0.0f && _target_velocity.Z == 0.0f && m_iscolliding)
1005 {
1006 // keep track of where we stopped. No more slippin' & slidin'
1007 if (!_zeroFlag)
1008 {
1009 _zeroFlag = true;
1010 _zeroPosition = d.BodyGetPosition(Body);
1011 }
1012 if (m_pidControllerActive)
1013 {
1014 // We only want to deactivate the PID Controller if we think we want to have our surrogate
1015 // react to the physics scene by moving it's position.
1016 // Avatar to Avatar collisions
1017 // Prim to avatar collisions
1018
1019 d.Vector3 pos = d.BodyGetPosition(Body);
1020 float errX = _zeroPosition.X - pos.X;
1021 float errY = _zeroPosition.Y - pos.Y;
1022 if( (Math.Abs(errX) > 0.1f) || (Math.Abs(errY) > 0.1f) )
1023 {
1024 vec.X = (_target_velocity.X - vel.X) * (PID_D) + (errX) * (PID_P * 2);
1025 vec.Y = (_target_velocity.Y - vel.Y) * (PID_D) + (errY) * (PID_P * 2);
1026 }
1027 else
1028 { // close, jump to lateral destination
1029 d.BodySetPosition(Body, _zeroPosition.X, _zeroPosition.Y, pos.Z);
1030 }
1031// if (flying)
1032 if (flying || jumping) // add for jumping
1033 {
1034 vec.Z = (_target_velocity.Z - vel.Z) * (PID_D) + (_zeroPosition.Z - pos.Z) * PID_P;
1035 }
1036 }
1037 //PidStatus = true;
1038 }
1039 else
1040 {
1041 m_pidControllerActive = true;
1042 _zeroFlag = false;
1043 if (m_iscolliding && !flying)
1044 {
1045 // We're standing on something
1046 vec.X = ((_target_velocity.X / movementdivisor) - vel.X) * (PID_D);
1047 vec.Y = ((_target_velocity.Y / movementdivisor) - vel.Y) * (PID_D);
1048 }
1049 else if (m_iscolliding && flying)
1050 {
1051 // We're flying and colliding with something
1052 vec.X = ((_target_velocity.X/movementdivisor) - vel.X)*(PID_D / 16);
1053 vec.Y = ((_target_velocity.Y/movementdivisor) - vel.Y)*(PID_D / 16);
1054 }
1055 else if (!m_iscolliding && flying)
1056 {
1057 // we're in mid air suspended
1058 vec.X = ((_target_velocity.X / movementdivisor) - vel.X) * (PID_D/6);
1059 vec.Y = ((_target_velocity.Y / movementdivisor) - vel.Y) * (PID_D/6);
1060 }
1061
1062 if (m_iscolliding && !flying && _target_velocity.Z > 0.0f)
1063 {
1064 // We're colliding with something and we're not flying but we're moving
1065 // This means we're walking or running.
1066 d.Vector3 pos = d.BodyGetPosition(Body);
1067 vec.Z = (_target_velocity.Z - vel.Z)*PID_D + (_zeroPosition.Z - pos.Z)*PID_P;
1068 if (_target_velocity.X > 0)
1069 {
1070 vec.X = ((_target_velocity.X - vel.X)/1.2f)*PID_D;
1071 }
1072 if (_target_velocity.Y > 0)
1073 {
1074 vec.Y = ((_target_velocity.Y - vel.Y)/1.2f)*PID_D;
1075 }
1076 }
1077 else if (!m_iscolliding && !flying)
1078 {
1079 // we're not colliding and we're not flying so that means we're falling!
1080 // m_iscolliding includes collisions with the ground.
1081
1082 // d.Vector3 pos = d.BodyGetPosition(Body);
1083 if (Math.Abs(_target_velocity.X) > 0)
1084 {
1085 vec.X = ((_target_velocity.X - vel.X)/1.2f)*PID_D;
1086 }
1087 if (Math.Abs(_target_velocity.Y) > 0)
1088 {
1089 vec.Y = ((_target_velocity.Y - vel.Y)/1.2f)*PID_D;
1090 }
1091 }
1092
1093 if (flying)
1094 {
1095 vec.Z = (_target_velocity.Z - vel.Z) * (PID_D);
1096 }
1097 }
1098 if (flying)
1099 {
1100 vec.Z += ((-1 * _parent_scene.gravityz)*m_mass);
1101
1102 //Added for auto fly height. Kitto Flora
1103 //d.Vector3 pos = d.BodyGetPosition(Body);
1104 float target_altitude = _parent_scene.GetTerrainHeightAtXY(_position.X, _position.Y) + MinimumGroundFlightOffset;
1105
1106 if (_position.Z < target_altitude)
1107 {
1108 vec.Z += (target_altitude - _position.Z) * PID_P * 5.0f;
1109 }
1110 // end add Kitto Flora
1111 }
1112 if (vec.IsFinite())
1113 {
1114 if (!vec.ApproxEquals(Vector3.Zero, 0.02f)) // 0.01 allows 0.002 !!
1115 {
1116//Console.WriteLine("DF 2"); // ##
1117
1118 doForce(vec);
1119 if (!_zeroFlag)
1120 {
1121// AlignAvatarTiltWithCurrentDirectionOfMovement(vec);
1122 }
1123 }
1124 }
1125 else
1126 {
1127 m_log.Warn("[PHYSICS]: Got a NaN force vector in Move()");
1128 m_log.Warn("[PHYSICS]: Avatar Position is non-finite!");
1129 defects.Add(this);
1130 // _parent_scene.RemoveCharacter(this);
1131 // destroy avatar capsule and related ODE data
1132 if (Amotor != IntPtr.Zero)
1133 {
1134 // Kill the Amotor
1135 d.JointDestroy(Amotor);
1136 Amotor = IntPtr.Zero;
1137 }
1138 //kill the Geometry
1139 _parent_scene.waitForSpaceUnlock(_parent_scene.space);
1140
1141 if (Body != IntPtr.Zero)
1142 {
1143 //kill the body
1144 d.BodyDestroy(Body);
1145
1146 Body = IntPtr.Zero;
1147 }
1148
1149 if(Shell != IntPtr.Zero)
1150 {
1151 try
1152 {
1153 d.GeomDestroy(Shell);
1154 }
1155 catch (System.AccessViolationException)
1156 {
1157 m_log.Error("[PHYSICS]: PrimGeom dead");
1158 }
1159 // Remove any old entries
1160//string tShell;
1161//_parent_scene.geom_name_map.TryGetValue(Shell, out tShell);
1162//Console.WriteLine("**** Remove {0}", tShell);
1163
1164 if(_parent_scene.geom_name_map.ContainsKey(Shell)) _parent_scene.geom_name_map.Remove(Shell);
1165 if(_parent_scene.actor_name_map.ContainsKey(Shell)) _parent_scene.actor_name_map.Remove(Shell);
1166 Shell = IntPtr.Zero;
1167 }
1168 }
1169 }
1170
1171 /// <summary>
1172 /// Updates the reported position and velocity. This essentially sends the data up to ScenePresence.
1173 /// </summary>
1174 public void UpdatePositionAndVelocity()
1175 {
1176 // no lock; called from Simulate() -- if you call this from elsewhere, gotta lock or do Monitor.Enter/Exit!
1177 d.Vector3 vec;
1178 try
1179 {
1180 vec = d.BodyGetPosition(Body);
1181 }
1182 catch (NullReferenceException)
1183 {
1184 bad = true;
1185 _parent_scene.BadCharacter(this);
1186 vec = new d.Vector3(_position.X, _position.Y, _position.Z);
1187 base.RaiseOutOfBounds(_position); // Tells ScenePresence that there's a problem!
1188 m_log.WarnFormat("[ODEPLUGIN]: Avatar Null reference for Avatar {0}, physical actor {1}", m_name, m_uuid);
1189 }
1190
1191
1192 // kluge to keep things in bounds. ODE lets dead avatars drift away (they should be removed!)
1193 if (vec.X < 0.0f) vec.X = 0.0f;
1194 if (vec.Y < 0.0f) vec.Y = 0.0f;
1195 if (vec.X > (int)_parent_scene.WorldExtents.X - 0.05f) vec.X = (int)_parent_scene.WorldExtents.X - 0.05f;
1196 if (vec.Y > (int)_parent_scene.WorldExtents.Y - 0.05f) vec.Y = (int)_parent_scene.WorldExtents.Y - 0.05f;
1197
1198 _position.X = vec.X;
1199 _position.Y = vec.Y;
1200 _position.Z = vec.Z;
1201
1202 // Did we move last? = zeroflag
1203 // This helps keep us from sliding all over
1204
1205 if (_zeroFlag)
1206 {
1207 _velocity.X = 0.0f;
1208 _velocity.Y = 0.0f;
1209 _velocity.Z = 0.0f;
1210
1211 // Did we send out the 'stopped' message?
1212 if (!m_lastUpdateSent)
1213 {
1214 m_lastUpdateSent = true;
1215 //base.RequestPhysicsterseUpdate();
1216
1217 }
1218 }
1219 else
1220 {
1221 m_lastUpdateSent = false;
1222 try
1223 {
1224 vec = d.BodyGetLinearVel(Body);
1225 }
1226 catch (NullReferenceException)
1227 {
1228 vec.X = _velocity.X;
1229 vec.Y = _velocity.Y;
1230 vec.Z = _velocity.Z;
1231 }
1232 _velocity.X = (vec.X);
1233 _velocity.Y = (vec.Y);
1234
1235 _velocity.Z = (vec.Z);
1236
1237 if (_velocity.Z < -6 && !m_hackSentFall)
1238 {
1239 m_hackSentFall = true;
1240 m_pidControllerActive = false;
1241 }
1242 else if (flying && !m_hackSentFly)
1243 {
1244 //m_hackSentFly = true;
1245 //base.SendCollisionUpdate(new CollisionEventUpdate());
1246 }
1247 else
1248 {
1249 m_hackSentFly = false;
1250 m_hackSentFall = false;
1251 }
1252 }
1253 }
1254
1255 /// <summary>
1256 /// Cleanup the things we use in the scene.
1257 /// </summary>
1258 public void Destroy()
1259 {
1260 m_tainted_isPhysical = false;
1261 _parent_scene.AddPhysicsActorTaint(this);
1262 }
1263
1264 public override void CrossingFailure()
1265 {
1266 }
1267
1268 public override Vector3 PIDTarget { set { return; } }
1269 public override bool PIDActive { set { return; } }
1270 public override float PIDTau { set { return; } }
1271
1272 public override float PIDHoverHeight { set { return; } }
1273 public override bool PIDHoverActive { set { return; } }
1274 public override PIDHoverType PIDHoverType { set { return; } }
1275 public override float PIDHoverTau { set { return; } }
1276
1277 public override Quaternion APIDTarget{ set { return; } }
1278
1279 public override bool APIDActive{ set { return; } }
1280
1281 public override float APIDStrength{ set { return; } }
1282
1283 public override float APIDDamping{ set { return; } }
1284
1285
1286 public override void SubscribeEvents(int ms)
1287 {
1288 m_requestedUpdateFrequency = ms;
1289 m_eventsubscription = ms;
1290 _parent_scene.addCollisionEventReporting(this);
1291 }
1292 public override void UnSubscribeEvents()
1293 {
1294 _parent_scene.remCollisionEventReporting(this);
1295 m_requestedUpdateFrequency = 0;
1296 m_eventsubscription = 0;
1297 }
1298 public void AddCollisionEvent(uint CollidedWith, ContactPoint contact)
1299 {
1300 if (m_eventsubscription > 0)
1301 {
1302 CollisionEventsThisFrame.addCollider(CollidedWith, contact);
1303 }
1304 }
1305
1306 public void SendCollisions()
1307 {
1308 if (m_eventsubscription > m_requestedUpdateFrequency)
1309 {
1310 if (CollisionEventsThisFrame != null)
1311 {
1312 base.SendCollisionUpdate(CollisionEventsThisFrame);
1313 }
1314 CollisionEventsThisFrame = new CollisionEventUpdate();
1315 m_eventsubscription = 0;
1316 }
1317 }
1318 public override bool SubscribedEvents()
1319 {
1320 if (m_eventsubscription > 0)
1321 return true;
1322 return false;
1323 }
1324
1325 public void ProcessTaints(float timestep)
1326 {
1327 lock (m_syncRoot)
1328 {
1329
1330 if (m_tainted_isPhysical != m_isPhysical)
1331 {
1332 if (m_tainted_isPhysical)
1333 {
1334 // Create avatar capsule and related ODE data
1335 if (!(Shell == IntPtr.Zero && Body == IntPtr.Zero && Amotor == IntPtr.Zero))
1336 {
1337 m_log.Warn("[PHYSICS]: re-creating the following avatar ODE data, even though it already exists - "
1338 + (Shell!=IntPtr.Zero ? "Shell ":"")
1339 + (Body!=IntPtr.Zero ? "Body ":"")
1340 + (Amotor!=IntPtr.Zero ? "Amotor ":""));
1341 }
1342 AvatarGeomAndBodyCreation(_position.X, _position.Y, _position.Z, m_tensor);
1343 _parent_scene.AddCharacter(this);
1344 }
1345 else
1346 {
1347 _parent_scene.RemoveCharacter(this);
1348 // destroy avatar capsule and related ODE data
1349 if (Amotor != IntPtr.Zero)
1350 {
1351 // Kill the Amotor
1352 d.JointDestroy(Amotor);
1353 Amotor = IntPtr.Zero;
1354 }
1355 //kill the Geometry
1356 _parent_scene.waitForSpaceUnlock(_parent_scene.space);
1357
1358 if (Body != IntPtr.Zero)
1359 {
1360 //kill the body
1361 d.BodyDestroy(Body);
1362 Body = IntPtr.Zero;
1363 }
1364
1365 if(Shell != IntPtr.Zero)
1366 {
1367 try
1368 {
1369 d.GeomDestroy(Shell);
1370 }
1371 catch (System.AccessViolationException)
1372 {
1373 m_log.Error("[PHYSICS]: PrimGeom dead");
1374 }
1375 // Remove any old entries
1376 //string tShell;
1377 //_parent_scene.geom_name_map.TryGetValue(Shell, out tShell);
1378 //Console.WriteLine("**** Remove {0}", tShell);
1379
1380 if(_parent_scene.geom_name_map.ContainsKey(Shell)) _parent_scene.geom_name_map.Remove(Shell);
1381 if(_parent_scene.actor_name_map.ContainsKey(Shell)) _parent_scene.actor_name_map.Remove(Shell);
1382 Shell = IntPtr.Zero;
1383 }
1384 }
1385
1386 m_isPhysical = m_tainted_isPhysical;
1387 }
1388
1389 if (m_tainted_CAPSULE_LENGTH != CAPSULE_LENGTH)
1390 {
1391 if (Shell != IntPtr.Zero && Body != IntPtr.Zero && Amotor != IntPtr.Zero)
1392 {
1393
1394 m_pidControllerActive = true;
1395 // no lock needed on _parent_scene.OdeLock because we are called from within the thread lock in OdePlugin's simulate()
1396 d.JointDestroy(Amotor);
1397 float prevCapsule = CAPSULE_LENGTH;
1398 CAPSULE_LENGTH = m_tainted_CAPSULE_LENGTH;
1399 //m_log.Info("[SIZE]: " + CAPSULE_LENGTH.ToString());
1400 d.BodyDestroy(Body);
1401 AvatarGeomAndBodyCreation(_position.X, _position.Y,
1402 _position.Z + (Math.Abs(CAPSULE_LENGTH - prevCapsule) * 2), m_tensor);
1403 Velocity = Vector3.Zero;
1404 }
1405 else
1406 {
1407 m_log.Warn("[PHYSICS]: trying to change capsule size, but the following ODE data is missing - "
1408 + (Shell==IntPtr.Zero ? "Shell ":"")
1409 + (Body==IntPtr.Zero ? "Body ":"")
1410 + (Amotor==IntPtr.Zero ? "Amotor ":""));
1411 }
1412 }
1413
1414 if (!m_taintPosition.ApproxEquals(_position, 0.05f))
1415 {
1416 if (Body != IntPtr.Zero)
1417 {
1418 d.BodySetPosition(Body, m_taintPosition.X, m_taintPosition.Y, m_taintPosition.Z);
1419
1420 _position.X = m_taintPosition.X;
1421 _position.Y = m_taintPosition.Y;
1422 _position.Z = m_taintPosition.Z;
1423 }
1424 }
1425
1426 }
1427 }
1428
1429 internal void AddCollisionFrameTime(int p)
1430 {
1431 // protect it from overflow crashing
1432 if (m_eventsubscription + p >= int.MaxValue)
1433 m_eventsubscription = 0;
1434 m_eventsubscription += p;
1435 }
1436 }
1437}
generated by cgit v1.1 at 2024-09-24 23:13:07 +0000