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authorMW2007-06-27 15:28:52 +0000
committerMW2007-06-27 15:28:52 +0000
commit646bbbc84b8010e0dacbeed5342cdb045f46cc49 (patch)
tree770b34d19855363c3c113ab9a0af9a56d821d887 /OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPlugin.cs
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Some work on restructuring the namespaces / project names. Note this doesn't compile yet as not all the code has been changed to use the new namespaces. Am committing it now for feedback on the namespaces.
Diffstat (limited to 'OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPlugin.cs')
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1/*
2* Copyright (c) Contributors, http://www.openmetaverse.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 OpenSim 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 OpenSim.Physics.Manager;
31
32namespace OpenSim.Region.Physics.BasicPhysicsPlugin
33{
34 /// <summary>
35 /// Will be the PhysX plugin but for now will be a very basic physics engine
36 /// </summary>
37 public class BasicPhysicsPlugin : IPhysicsPlugin
38 {
39 private BasicScene _mScene;
40
41 public BasicPhysicsPlugin()
42 {
43
44 }
45
46 public bool Init()
47 {
48 return true;
49 }
50
51 public PhysicsScene GetScene()
52 {
53 return new BasicScene();
54 }
55
56 public string GetName()
57 {
58 return("basicphysics");
59 }
60
61 public void Dispose()
62 {
63
64 }
65 }
66
67 public class BasicScene :PhysicsScene
68 {
69 private List<BasicActor> _actors = new List<BasicActor>();
70 private float[] _heightMap;
71
72 public BasicScene()
73 {
74
75 }
76
77 public override PhysicsActor AddAvatar(PhysicsVector position)
78 {
79 BasicActor act = new BasicActor();
80 act.Position = position;
81 _actors.Add(act);
82 return act;
83 }
84
85 public override void RemoveAvatar(PhysicsActor actor)
86 {
87 BasicActor act = (BasicActor)actor;
88 if(_actors.Contains(act))
89 {
90 _actors.Remove(act);
91 }
92
93 }
94
95 public override PhysicsActor AddPrim(PhysicsVector position, PhysicsVector size)
96 {
97 return null;
98 }
99
100 public override void Simulate(float timeStep)
101 {
102 foreach (BasicActor actor in _actors)
103 {
104 actor.Position.X = actor.Position.X + (actor.Velocity.X * timeStep);
105 actor.Position.Y = actor.Position.Y + (actor.Velocity.Y * timeStep);
106 actor.Position.Z = actor.Position.Z + (actor.Velocity.Z * timeStep);
107 /*if(actor.Flying)
108 {
109 actor.Position.Z = actor.Position.Z + (actor.Velocity.Z * timeStep);
110 }
111 else
112 {
113 actor.Position.Z = actor.Position.Z + ((-9.8f + actor.Velocity.Z) * timeStep);
114 }
115 if(actor.Position.Z < (_heightMap[(int)actor.Position.Y * 256 + (int)actor.Position.X]+1))
116 {*/
117 if ((actor.Position.Y > 0 && actor.Position.Y < 256) && (actor.Position.X > 0 && actor.Position.X < 256))
118 {
119 actor.Position.Z = _heightMap[(int)actor.Position.Y * 256 + (int)actor.Position.X] + 1;
120 }
121 else
122 {
123 if (actor.Position.Y < 0)
124 {
125 actor.Position.Y = 0;
126 }
127 else if (actor.Position.Y > 256)
128 {
129 actor.Position.Y = 256;
130 }
131
132 if (actor.Position.X < 0)
133 {
134 actor.Position.X = 0;
135 }
136 if (actor.Position.X > 256)
137 {
138 actor.Position.X = 256;
139 }
140 }
141 //}
142
143
144
145 // This code needs sorting out - border crossings etc
146/* if(actor.Position.X<0)
147 {
148 ControllingClient.CrossSimBorder(new LLVector3(this.Position.X,this.Position.Y,this.Position.Z));
149 actor.Position.X = 0;
150 actor.Velocity.X = 0;
151 }
152 if(actor.Position.Y < 0)
153 {
154 ControllingClient.CrossSimBorder(new LLVector3(this.Position.X,this.Position.Y,this.Position.Z));
155 actor.Position.Y = 0;
156 actor.Velocity.Y = 0;
157 }
158 if(actor.Position.X > 255)
159 {
160 ControllingClient.CrossSimBorder(new LLVector3(this.Position.X,this.Position.Y,this.Position.Z));
161 actor.Position.X = 255;
162 actor.Velocity.X = 0;
163 }
164 if(actor.Position.Y > 255)
165 {
166 ControllingClient.CrossSimBorder(new LLVector3(this.Position.X,this.Position.Y,this.Position.Z));
167 actor.Position.Y = 255;
168 actor.Velocity.X = 0;
169 }*/
170 }
171 }
172
173 public override void GetResults()
174 {
175
176 }
177
178 public override bool IsThreaded
179 {
180 get
181 {
182 return(false); // for now we won't be multithreaded
183 }
184 }
185
186 public override void SetTerrain(float[] heightMap)
187 {
188 this._heightMap = heightMap;
189 }
190
191 public override void DeleteTerrain()
192 {
193
194 }
195 }
196
197 public class BasicActor : PhysicsActor
198 {
199 private PhysicsVector _position;
200 private PhysicsVector _velocity;
201 private PhysicsVector _acceleration;
202 private bool flying;
203 public BasicActor()
204 {
205 _velocity = new PhysicsVector();
206 _position = new PhysicsVector();
207 _acceleration = new PhysicsVector();
208 }
209
210 public override bool Flying
211 {
212 get
213 {
214 return false;
215 }
216 set
217 {
218 flying= value;
219 }
220 }
221
222 public override PhysicsVector Position
223 {
224 get
225 {
226 return _position;
227 }
228 set
229 {
230 _position = value;
231 }
232 }
233
234 public override PhysicsVector Velocity
235 {
236 get
237 {
238 return _velocity;
239 }
240 set
241 {
242 _velocity = value;
243 }
244 }
245
246 public override Axiom.MathLib.Quaternion Orientation
247 {
248 get
249 {
250 return Axiom.MathLib.Quaternion.Identity;
251 }
252 set
253 {
254
255 }
256 }
257
258 public override PhysicsVector Acceleration
259 {
260 get
261 {
262 return _acceleration;
263 }
264
265 }
266
267 public override bool Kinematic
268 {
269 get
270 {
271 return true;
272 }
273 set
274 {
275
276 }
277 }
278 public void SetAcceleration (PhysicsVector accel)
279 {
280 this._acceleration = accel;
281 }
282
283 public override void AddForce(PhysicsVector force)
284 {
285
286 }
287
288 public override void SetMomentum(PhysicsVector momentum)
289 {
290
291 }
292 }
293
294}
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