1 /* |
|
2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Handles accessing 3D motion pattern data. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 // INCLUDE FILES |
|
21 #include "C3DAudioPattern.h" // C3DAudioPattern |
|
22 #include <s32std.h> // RReadStream, RWriteStream |
|
23 |
|
24 // CONSTANTS |
|
25 // Granularity for array holding updates. |
|
26 const TInt KPatternArrayGranularity = 84; |
|
27 |
|
28 // Maximum length for name of the pattern. |
|
29 const TUint KMaxPatternNameLength = 100; |
|
30 |
|
31 // ============================ MEMBER FUNCTIONS =============================== |
|
32 |
|
33 // ----------------------------------------------------------------------------- |
|
34 // C3DAudioPattern::NewL |
|
35 // Two-phased constructor. |
|
36 // ----------------------------------------------------------------------------- |
|
37 // |
|
38 C3DAudioPattern* C3DAudioPattern::NewL() |
|
39 { |
|
40 C3DAudioPattern * self = C3DAudioPattern::NewLC(); |
|
41 CleanupStack::Pop( self ); |
|
42 return self; |
|
43 } |
|
44 |
|
45 // ----------------------------------------------------------------------------- |
|
46 // C3DAudioPattern::NewLC |
|
47 // Two-phased constructor. Leaves pointer on cleanup stack. |
|
48 // ----------------------------------------------------------------------------- |
|
49 // |
|
50 C3DAudioPattern* C3DAudioPattern::NewLC() |
|
51 { |
|
52 C3DAudioPattern * self = new ( ELeave ) C3DAudioPattern(); |
|
53 CleanupStack::PushL( self ); |
|
54 return self; |
|
55 } |
|
56 |
|
57 // ----------------------------------------------------------------------------- |
|
58 // C3DAudioPattern::NewL |
|
59 // Two-phased constructor. |
|
60 // ----------------------------------------------------------------------------- |
|
61 // |
|
62 |
|
63 C3DAudioPattern* C3DAudioPattern::NewL( RReadStream& aStream ) |
|
64 { |
|
65 C3DAudioPattern* self = C3DAudioPattern::NewLC( aStream ); |
|
66 CleanupStack::Pop( self ); |
|
67 return self; |
|
68 } |
|
69 |
|
70 |
|
71 // ----------------------------------------------------------------------------- |
|
72 // C3DAudioPattern::NewLC |
|
73 // Two-phased constructor. Leaves pointer on cleanup stack. |
|
74 // ----------------------------------------------------------------------------- |
|
75 // |
|
76 C3DAudioPattern* C3DAudioPattern::NewLC( RReadStream& aStream ) |
|
77 { |
|
78 C3DAudioPattern* self = new ( ELeave ) C3DAudioPattern(); |
|
79 CleanupStack::PushL( self ); |
|
80 self->InternalizeL( aStream ); |
|
81 return self; |
|
82 } |
|
83 |
|
84 |
|
85 // Destructor |
|
86 C3DAudioPattern::~C3DAudioPattern() |
|
87 { |
|
88 iScript.Close(); |
|
89 iLoops.Close(); |
|
90 iOpenLoops.Close(); |
|
91 delete iName; |
|
92 } |
|
93 |
|
94 // ----------------------------------------------------------------------------- |
|
95 // C3DAudioPattern::ExternalizeL |
|
96 // Externalizes pattern to writestream. |
|
97 // ----------------------------------------------------------------------------- |
|
98 // |
|
99 void C3DAudioPattern::ExternalizeL( RWriteStream& aStream ) const |
|
100 { |
|
101 // Name of the pattern |
|
102 aStream << *iName; |
|
103 |
|
104 // Initial doppler and reverb. |
|
105 aStream.WriteInt8L( iInitialDoppler ); |
|
106 aStream.WriteUint8L( iInitialReverb ); |
|
107 |
|
108 // Number of loops |
|
109 aStream.WriteUint8L( iLoops.Count() ); |
|
110 // Each loop |
|
111 for ( TInt i = 0; i < iLoops.Count(); ++i ) |
|
112 { |
|
113 aStream.WriteUint8L( iLoops[i].iLoopStart ); |
|
114 aStream.WriteUint8L( iLoops[i].iLoopEnd ); |
|
115 aStream.WriteUint8L( iLoops[i].iCount ); |
|
116 } |
|
117 |
|
118 // Number of updates in the script |
|
119 aStream.WriteUint8L( iScript.Count() ); |
|
120 // Each update |
|
121 for ( TInt i = 0; i < iScript.Count(); ++i ) |
|
122 { |
|
123 // Position of the update |
|
124 aStream.WriteInt16L( iScript[i].iPosition.iX ); |
|
125 aStream.WriteInt16L( iScript[i].iPosition.iY ); |
|
126 aStream.WriteInt16L( iScript[i].iPosition.iZ ); |
|
127 |
|
128 // Velocity of the update |
|
129 aStream.WriteInt8L( iScript[i].iVelocity.iScalar ); |
|
130 aStream.WriteUint16L( iScript[i].iVelocity.iScalarVelocity ); |
|
131 aStream.WriteInt16L( iScript[i].iVelocity.iXVector ); |
|
132 aStream.WriteInt16L( iScript[i].iVelocity.iYVector ); |
|
133 aStream.WriteInt16L( iScript[i].iVelocity.iZVector ); |
|
134 |
|
135 // Time reserved for the update. |
|
136 aStream.WriteUint16L( iScript[i].iDTime ); |
|
137 } |
|
138 } |
|
139 |
|
140 // ----------------------------------------------------------------------------- |
|
141 // C3DAudioPattern::InternalizeL |
|
142 // Internalizes pattern from readstream |
|
143 // ----------------------------------------------------------------------------- |
|
144 // |
|
145 void C3DAudioPattern::InternalizeL( RReadStream& aStream ) |
|
146 { |
|
147 // Internalize the name from stream. |
|
148 delete iName; |
|
149 iName = NULL; |
|
150 iName = HBufC8::NewL( aStream, KMaxPatternNameLength ); |
|
151 |
|
152 // Initial doppler and reverberation |
|
153 iInitialDoppler = aStream.ReadInt8L(); |
|
154 iInitialReverb = aStream.ReadUint8L(); |
|
155 |
|
156 // Reset the array of loops. |
|
157 iLoops.Reset(); |
|
158 TInt loopCount = aStream.ReadUint8L(); |
|
159 // Read each loop. |
|
160 for (TInt i = 0; i < loopCount; ++i) |
|
161 { |
|
162 T3DLoop tempLoop; |
|
163 tempLoop.iLoopStart = aStream.ReadUint8L(); |
|
164 tempLoop.iLoopEnd = aStream.ReadUint8L(); |
|
165 tempLoop.iCount = aStream.ReadUint8L(); |
|
166 iLoops.AppendL( tempLoop ); |
|
167 } |
|
168 |
|
169 // Reset the array of loops. |
|
170 iScript.Reset(); |
|
171 TInt scriptCount = aStream.ReadUint8L(); |
|
172 // Read each update. |
|
173 for (TInt i = 0; i < scriptCount; ++i) |
|
174 { |
|
175 T3DPosition tempPosition; |
|
176 tempPosition.iX = aStream.ReadInt16L(); |
|
177 tempPosition.iY = aStream.ReadInt16L(); |
|
178 tempPosition.iZ = aStream.ReadInt16L(); |
|
179 |
|
180 T3DVelocity tempVelocity; |
|
181 tempVelocity.iScalar = aStream.ReadInt8L(); |
|
182 tempVelocity.iScalarVelocity = aStream.ReadUint16L(); |
|
183 tempVelocity.iXVector = aStream.ReadInt16L(); |
|
184 tempVelocity.iYVector = aStream.ReadInt16L(); |
|
185 tempVelocity.iZVector = aStream.ReadInt16L(); |
|
186 |
|
187 T3DScriptUpdate tempScript; |
|
188 tempScript.iDTime = aStream.ReadUint16L(); |
|
189 tempScript.iPosition = tempPosition; |
|
190 tempScript.iVelocity = tempVelocity; |
|
191 iScript.AppendL( tempScript ); |
|
192 } |
|
193 } |
|
194 |
|
195 // ----------------------------------------------------------------------------- |
|
196 // C3DAudioPattern::SetName |
|
197 // Set the name of the pattern. Memory will be allocated. |
|
198 // ----------------------------------------------------------------------------- |
|
199 // |
|
200 void C3DAudioPattern::SetNameL( const TDesC8& aName ) |
|
201 { |
|
202 delete iName; |
|
203 iName = NULL; |
|
204 iName = aName.AllocL(); |
|
205 } |
|
206 |
|
207 // ----------------------------------------------------------------------------- |
|
208 // C3DAudioPattern::SetReverb |
|
209 // Set the value of reverberation. |
|
210 // ----------------------------------------------------------------------------- |
|
211 // |
|
212 void C3DAudioPattern::SetReverb( const TUint aReverb ) |
|
213 { |
|
214 iInitialReverb = aReverb; |
|
215 } |
|
216 |
|
217 // ----------------------------------------------------------------------------- |
|
218 // C3DAudioPattern::SetDoppler |
|
219 // Set the status of doppler. |
|
220 // ----------------------------------------------------------------------------- |
|
221 // |
|
222 void C3DAudioPattern::SetDoppler( const TBool aDoppler ) |
|
223 { |
|
224 iInitialDoppler = aDoppler; |
|
225 } |
|
226 |
|
227 // ----------------------------------------------------------------------------- |
|
228 // C3DAudioPattern::AddUpdate |
|
229 // Adds a update to script. |
|
230 // ----------------------------------------------------------------------------- |
|
231 // |
|
232 void C3DAudioPattern::AddUpdateL( T3DScriptUpdate& aUpdate ) |
|
233 { |
|
234 User::LeaveIfError( iScript.Append( aUpdate ) ); |
|
235 } |
|
236 |
|
237 // ----------------------------------------------------------------------------- |
|
238 // C3DAudioPattern::StartLoop |
|
239 // Start loop at current place in the script. |
|
240 // ----------------------------------------------------------------------------- |
|
241 // |
|
242 void C3DAudioPattern::StartLoopL( TUint& aCount ) |
|
243 { |
|
244 // Create T3DLoop and append it to array. |
|
245 T3DLoop loop = { iScript.Count(), 0, aCount }; |
|
246 User::LeaveIfError( iLoops.Append( loop ) ); |
|
247 |
|
248 // Update open loops array, to be able to determine which loop to end. |
|
249 User::LeaveIfError( iOpenLoops.Append( iLoops.Count() - 1 ) ); |
|
250 } |
|
251 |
|
252 // ----------------------------------------------------------------------------- |
|
253 // C3DAudioPattern::EndLoop |
|
254 // End the lastly started loop. |
|
255 // ----------------------------------------------------------------------------- |
|
256 // |
|
257 void C3DAudioPattern::EndLoop() |
|
258 { |
|
259 // There is at least one open loop. |
|
260 if ( iOpenLoops.Count() != 0 ) |
|
261 { |
|
262 // Get the index of the loop. |
|
263 TInt aIndex = iOpenLoops[ iOpenLoops.Count() - 1 ]; |
|
264 // Set the index of loop end and remove loop from array of open loops. |
|
265 iLoops[ aIndex ].iLoopEnd = iScript.Count() - 1; |
|
266 iOpenLoops.Remove( iOpenLoops.Count() - 1 ); |
|
267 } |
|
268 } |
|
269 |
|
270 // ----------------------------------------------------------------------------- |
|
271 // C3DAudioPattern::Name |
|
272 // Get the name of the pattern. |
|
273 // ----------------------------------------------------------------------------- |
|
274 // |
|
275 const TDesC8& C3DAudioPattern::Name() |
|
276 { |
|
277 return *iName; |
|
278 } |
|
279 |
|
280 // ----------------------------------------------------------------------------- |
|
281 // C3DAudioPattern::Script |
|
282 // Get the script of pattern. |
|
283 // ----------------------------------------------------------------------------- |
|
284 // |
|
285 RArray< T3DScriptUpdate > C3DAudioPattern::Script() |
|
286 { |
|
287 return iScript; |
|
288 } |
|
289 |
|
290 // ----------------------------------------------------------------------------- |
|
291 // C3DAudioPattern::DopplerAvailable |
|
292 // Is doppler available in the pattern. |
|
293 // ----------------------------------------------------------------------------- |
|
294 // |
|
295 TBool C3DAudioPattern::DopplerAvailable() const |
|
296 { |
|
297 return iInitialDoppler; |
|
298 } |
|
299 |
|
300 // ----------------------------------------------------------------------------- |
|
301 // C3DAudioPattern::Reverb |
|
302 // Get initial reverb of pattern. |
|
303 // ----------------------------------------------------------------------------- |
|
304 // |
|
305 TInt C3DAudioPattern::Reverb() const |
|
306 { |
|
307 return iInitialReverb; |
|
308 } |
|
309 |
|
310 // ----------------------------------------------------------------------------- |
|
311 // C3DAudioPattern::C3DAudioPattern |
|
312 // C++ default constructor can NOT contain any code, that |
|
313 // might leave. |
|
314 // ----------------------------------------------------------------------------- |
|
315 // |
|
316 C3DAudioPattern::C3DAudioPattern(): |
|
317 iScript( KPatternArrayGranularity ) |
|
318 { |
|
319 } |
|
320 |
|
321 // End of File |
|