1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyrightD
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OpenSim.Region.PhysicsModules.SharedBase;
using OMV = OpenMetaverse;
namespace OpenSim.Region.PhysicsModule.BulletS
{
public class BSActorSetForce : BSActor
{
BSFMotor m_forceMotor;
public BSActorSetForce(BSScene physicsScene, BSPhysObject pObj, string actorName)
: base(physicsScene, pObj, actorName)
{
m_forceMotor = null;
m_physicsScene.DetailLog("{0},BSActorSetForce,constructor", m_controllingPrim.LocalID);
}
// BSActor.isActive
public override bool isActive
{
get { return Enabled && m_controllingPrim.IsPhysicallyActive; }
}
// Release any connections and resources used by the actor.
// BSActor.Dispose()
public override void Dispose()
{
Enabled = false;
DeactivateSetForce();
}
// Called when physical parameters (properties set in Bullet) need to be re-applied.
// Called at taint-time.
// BSActor.Refresh()
public override void Refresh()
{
m_physicsScene.DetailLog("{0},BSActorSetForce,refresh", m_controllingPrim.LocalID);
// If not active any more, get rid of me (shouldn't ever happen, but just to be safe)
if (m_controllingPrim.RawForce == OMV.Vector3.Zero)
{
m_physicsScene.DetailLog("{0},BSActorSetForce,refresh,notSetForce,removing={1}", m_controllingPrim.LocalID, ActorName);
Enabled = false;
return;
}
// If the object is physically active, add the hoverer prestep action
if (isActive)
{
ActivateSetForce();
}
else
{
DeactivateSetForce();
}
}
// The object's physical representation is being rebuilt so pick up any physical dependencies (constraints, ...).
// Register a prestep action to restore physical requirements before the next simulation step.
// Called at taint-time.
// BSActor.RemoveDependencies()
public override void RemoveDependencies()
{
// Nothing to do for the hoverer since it is all software at pre-step action time.
}
// If a hover motor has not been created, create one and start the hovering.
private void ActivateSetForce()
{
if (m_forceMotor == null)
{
// A fake motor that might be used someday
m_forceMotor = new BSFMotor("setForce", 1f, 1f, 1f);
m_physicsScene.BeforeStep += Mover;
}
}
private void DeactivateSetForce()
{
if (m_forceMotor != null)
{
m_physicsScene.BeforeStep -= Mover;
m_forceMotor = null;
}
}
// Called just before the simulation step. Update the vertical position for hoverness.
private void Mover(float timeStep)
{
// Don't do force while the object is selected.
if (!isActive)
return;
m_physicsScene.DetailLog("{0},BSActorSetForce,preStep,force={1}", m_controllingPrim.LocalID, m_controllingPrim.RawForce);
if (m_controllingPrim.PhysBody.HasPhysicalBody)
{
m_physicsScene.PE.ApplyCentralForce(m_controllingPrim.PhysBody, m_controllingPrim.RawForce);
m_controllingPrim.ActivateIfPhysical(false);
}
// TODO:
}
}
}
|
