Sounds/SoundsDocument.cpp

   1 /*
   2  * This file is part of ShapeFusion (Copyright 2000 Tito Dal Canton)
   3  *
   4  * ShapeFusion is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * ShapeFusion is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with ShapeFusion; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17 */
  18
  19 // For compilers that support precompilation, includes "wx/wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23 #pragma hdrstop
  24 #endif
  25
  26 #ifndef WX_PRECOMP
  27 #include "wx/wx.h"
  28 #endif
  29
  30 #if wxUSE_STD_IOSTREAM
  31     #include "wx/ioswrap.h"
  32 #else
  33     #include "wx/txtstrm.h"
  34 #endif
  35
  36 #include "SoundsDocument.h"
  37 #include "SoundsView.h"
  38
  39 // Construct four-character-code
  40 #define FOUR_CHARS_TO_INT(a,b,c,d) (((unsigned int)(a) << 24) | ((unsigned int)(b) << 16) | ((unsigned int)(c) << 8) | (unsigned int)(d))
  41
  42 enum {
  43         _sound_8bit = 0,
  44         _sound_16bit,
  45         NUMBER_OF_SOUND_SOURCES
  46 };
  47
  48 IMPLEMENT_DYNAMIC_CLASS(SoundsDocument, wxDocument)
  49
  50 SoundsDocument::SoundsDocument(): wxDocument(), SoundsElement(true), mM2Demo(false)
  51 {
  52         // We need storage for our sound sources...
  53         mSoundDefinitions.resize(NUMBER_OF_SOUND_SOURCES);
  54 }
  55
  56 SoundsDocument::~SoundsDocument()
  57 {
  58 }
  59
  60 SoundsDefinition *SoundsDocument::GetSoundDefinition(unsigned short source_index, unsigned short sound_index)
  61 {
  62         if (source_index > mSoundDefinitions.size())
  63                 return NULL;
  64         if (sound_index > mSoundDefinitions[source_index].size())
  65                 return NULL;
  66         return mSoundDefinitions[source_index][sound_index];
  67 }
  68
  69 SoundsDefinition *SoundsDocument::Get8BitSoundDefinition(unsigned short sound_index)
  70 {
  71         return GetSoundDefinition(_sound_8bit, sound_index);
  72 }
  73
  74 SoundsDefinition *SoundsDocument::Get16BitSoundDefinition(unsigned short sound_index)
  75 {
  76         return GetSoundDefinition(_sound_16bit, sound_index);
  77 }
  78
  79 void SoundsDocument::AddSoundDefinition(void)
  80 {
  81         // As there's always two versions (8-bit/16-bit) of the same sound, we add both there...
  82         SoundsDefinition        *snd8 = new SoundsDefinition(),
  83                                                 *snd16 = new SoundsDefinition();
  84
  85         // We add 8-bit...
  86         mSoundDefinitions[_sound_8bit].push_back(snd8);
  87         // ... and 16-bit
  88         mSoundDefinitions[_sound_16bit].push_back(snd16);
  89
  90         // We mark ourselves as modified...
  91         Modify(true);
  92 }
  93
  94 void SoundsDocument::DeleteSoundDefinition(unsigned int index)
  95 {
  96         // We check we really have that much sounds...
  97         if (index > mSoundDefinitions[_sound_8bit].size())
  98                 return;
  99
 100         // We remove 8-bit version
 101         mSoundDefinitions[_sound_8bit].erase(mSoundDefinitions[_sound_8bit].begin() + index);
 102         // We remove 16-bit version
 103         mSoundDefinitions[_sound_16bit].erase(mSoundDefinitions[_sound_16bit].begin() + index);
 104
 105         // We mark ourselves as modified...
 106         Modify(true);
 107 }
 108
 109 bool SoundsDocument::DoOpenDocument(const wxString& file)
 110 {
 111         bool wxOpen = wxDocument::DoOpenDocument(file);
 112
 113         if (!(wxOpen && mGoodData)) {
 114                 wxLogError(wxT("[SoundsDocument] There was an error while loading, see log"));
 115                 return false;
 116         }
 117         return true;
 118 }
 119
 120 unsigned int SoundsDocument::GetSizeInFile(void)
 121 {
 122         unsigned int size = SIZEOF_sound_file_header;
 123
 124         for (unsigned int i = 0; i < mSoundDefinitions.size(); i++)
 125                 for (unsigned int j = 0; j < mSoundDefinitions[i].size(); j++)
 126                         size += mSoundDefinitions[i][j]->GetSizeInFile();
 127
 128         return size;
 129 }
 130
 131 #if wxUSE_STD_IOSTREAM
 132 wxSTD ostream& SoundsDocument::SaveObject(wxSTD ostream& stream)
 133 #else
 134 wxOutputStream& SoundsDocument::SaveObject(wxOutputStream& stream)
 135 #endif
 136 {
 137         BigEndianBuffer filebuffer(GetSizeInFile());
 138
 139         unsigned int source_count = mSoundDefinitions.size();
 140         unsigned int sound_count = mSoundDefinitions[0].size();
 141
 142         filebuffer.WriteLong(mVersion);
 143         filebuffer.WriteLong(mTag);
 144
 145         if (mM2Demo) {
 146                 filebuffer.WriteShort(mSoundCount);
 147                 filebuffer.WriteShort(0);
 148         } else {
 149                 filebuffer.WriteShort(source_count);
 150                 filebuffer.WriteShort(sound_count);
 151         }
 152
 153         filebuffer.Position(SIZEOF_sound_file_header);
 154
 155         unsigned int current_sound_offset = SIZEOF_sound_file_header
 156                         + source_count * sound_count * SIZEOF_sound_definition;
 157
 158         for (unsigned int i = 0; i < mSoundDefinitions.size(); i++) {
 159                 for (unsigned int j = 0; j < mSoundDefinitions[i].size(); j++) {
 160                         mSoundDefinitions[i][j]->SaveObject(filebuffer, current_sound_offset);
 161                 }
 162         }
 163
 164 #if wxUSE_STD_IOSTREAM
 165         stream.write((char *)filebuffer.Data(), filebuffer.Size());
 166 #else
 167         stream.Write((char *)filebuffer.Data(), filebuffer.Size());
 168 #endif
 169
 170         return stream;
 171 }
 172
 173 #if wxUSE_STD_IOSTREAM
 174 wxSTD istream& SoundsDocument::LoadObject(wxSTD istream& stream)
 175 #else
 176 wxInputStream& SoundsDocument::LoadObject(wxInputStream& stream)
 177 #endif
 178 {
 179 #if wxUSE_STD_IOSTREAM
 180         stream.seekg(0, std::ios::end);
 181         wxInt32 filesize = stream.tellg();
 182         stream.seekg(0, std::ios::beg);
 183 #else
 184         wxInt32 filesize = stream.GetSize();
 185 #endif
 186
 187         BigEndianBuffer filebuffer(filesize);
 188
 189 #if wxUSE_STD_IOSTREAM
 190         stream.read((char *)filebuffer.Data(), filebuffer.Size());
 191 #else
 192         stream.Read((char *)filebuffer.Data(), filebuffer.Size());
 193 #endif
 194
 195         mVersion = filebuffer.ReadLong();
 196         mTag = filebuffer.ReadLong();
 197         mSourceCount = filebuffer.ReadShort();
 198         mSoundCount = filebuffer.ReadShort();
 199
 200         if ((mVersion != 0 && mVersion != 1) || mTag != FOUR_CHARS_TO_INT('s','n','d','2')) {
 201                 wxLogError(wxT("[SoundsDocument] Error loading : Incorrect version/tag, (%d/%x)"), mVersion, mTag);
 202                 return stream;
 203         }
 204
 205         if (mSoundCount < 0 || mSourceCount < 0) {
 206                 wxLogError(wxT("[SoundsDocument] Error loading : Incorrect Sound/Source count (%d/%d)"), mSoundCount, mSourceCount);
 207                 return stream;
 208         }
 209
 210         if (mSoundCount == 0) {
 211                 /* Handling Marathon 2 Demo
 212                  * We have to swap our counts
 213                  */
 214                 mSoundCount = mSourceCount;
 215                 mSourceCount = 1;
 216                 mM2Demo = true;
 217         }
 218
 219         if (IsVerbose()) {
 220                 wxLogDebug(wxT("[SoundsDocument] Version:               %d"), mVersion);
 221                 wxLogDebug(wxT("[SoundsDocument] Tag:                   %d"), mTag);
 222                 wxLogDebug(wxT("[SoundsDocument] Source Count:  %d"), mSourceCount);
 223                 wxLogDebug(wxT("[SoundsDocument] Sound Count:   %d"), mSoundCount);
 224         }
 225
 226         /* We move to the end of the Sound file header */
 227         filebuffer.Position(SIZEOF_sound_file_header);
 228
 229         /* Now we load 8-bit and 16-bit sounds */
 230         for (int i = 0; i < mSourceCount; i++) {
 231                 for (int j = 0; j < mSoundCount; j++) {
 232                         SoundsDefinition *snd = new SoundsDefinition(IsVerbose());
 233
 234                         if (IsVerbose())
 235                                 wxLogDebug(wxT("[SoundsDocument] Loading source %d, sound %d"), i, j);
 236
 237                         unsigned int oldpos = filebuffer.Position();
 238
 239                         snd->LoadObject(filebuffer);
 240
 241                         if (!snd->IsGood()) {
 242                                 wxLogError(wxT("[SoundsDocument] Error loading sound definition. Skipping..."));
 243                                 return stream;
 244                         }
 245
 246                         filebuffer.Position(oldpos + SIZEOF_sound_definition);
 247
 248                         mSoundDefinitions[i].push_back(snd);
 249                 }
 250         }
 251
 252         mGoodData = true;
 253         return stream;
 254 }
 255