diff options
Diffstat (limited to 'engines/sword25/sfx/fmodexresource.cpp')
| -rwxr-xr-x | engines/sword25/sfx/fmodexresource.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/engines/sword25/sfx/fmodexresource.cpp b/engines/sword25/sfx/fmodexresource.cpp new file mode 100755 index 0000000000..3e15dbb260 --- /dev/null +++ b/engines/sword25/sfx/fmodexresource.cpp @@ -0,0 +1,170 @@ +// ----------------------------------------------------------------------------- +// This file is part of Broken Sword 2.5 +// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdörfer +// +// Broken Sword 2.5 is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// Broken Sword 2.5 is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with Broken Sword 2.5; if not, write to the Free Software +// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +// ----------------------------------------------------------------------------- + +// ----------------------------------------------------------------------------- +// Logging +// ----------------------------------------------------------------------------- + +#define BS_LOG_PREFIX "FMODEXRESOURCE" + +// ----------------------------------------------------------------------------- +// Includes +// ----------------------------------------------------------------------------- + +#include <memory> +#include "fmod.h" +#include "fmodexexception.h" +#include "fmodexchannel.h" +#include "package/packagemanager.h" +#include "fmodexresource.h" + +// ----------------------------------------------------------------------------- +// Konstanten +// ----------------------------------------------------------------------------- + +namespace +{ + const unsigned int MAX_SAMPLE_SIZE = 100 * 1024; // Die Dateigröße in Byte ab der ein Sound als Stream abgespielt wird +} + +// ----------------------------------------------------------------------------- +// Konstruktion / Destruktion +// ----------------------------------------------------------------------------- + + +BS_FMODExResource::BS_FMODExResource(const std::string& FileName, FMOD_SYSTEM * FMOD, bool & Success) : + m_SoundPtr(0), + m_SoundDataPtr(0), + BS_Resource(FileName, BS_Resource::TYPE_SOUND) +{ + BS_ASSERT(FMOD); + + // Von Misserfolg ausgehen + Success = false; + + // Pointer auf den Package-Manager bekommen + BS_PackageManager * PackagePtr = BS_Kernel::GetInstance()->GetPackage(); + if (!PackagePtr) + { + BS_LOG_ERRORLN("Package manager not found."); + return; + } + + // Datei laden + unsigned int FileSize; + char * FileDataPtr = (char*) PackagePtr->GetFile(GetFileName(), &FileSize); + if (!FileDataPtr) + { + BS_LOG_ERRORLN("File \"%s\" could not be loaded.", GetFileName().c_str()); + return; + } + + // Ob die Sounddatei als Sample oder als Stream behandelt wird, ist abhängig von der Dateigröße. + // Samples werden sofort intialisiert. + // Für Streams wird hingegen bei jedem Abspielen ein neuer Sound erstellt. Dieses Vorgehen ist notwendig, da FMOD Ex Samples beliebig oft + // gleichzeitig abspielen kann, Streams jedoch nur ein mal. + if (FileSize <= MAX_SAMPLE_SIZE) + { + FMOD_CREATESOUNDEXINFO ExInfo; + memset(&ExInfo, 0, sizeof(ExInfo)); + ExInfo.cbsize = sizeof(ExInfo); + ExInfo.length = FileSize; + + FMOD_RESULT Result = FMOD_System_CreateSound(FMOD, FileDataPtr, + FMOD_CREATESAMPLE | FMOD_OPENMEMORY | FMOD_SOFTWARE | FMOD_2D | FMOD_LOOP_NORMAL, + &ExInfo, + &m_SoundPtr); + if (Result != FMOD_OK) BS_FMODExException("FMOD_System_CreateSound()", Result).Log(); + + Success = Result == FMOD_OK; + + delete FileDataPtr; + } + else + { + m_SoundDataPtr = FileDataPtr; + m_SoundDataSize = FileSize; + + Success = true; + } +} + +// ----------------------------------------------------------------------------- + +BS_FMODExResource::~BS_FMODExResource() +{ + // Sound freigeben, solange des Soundsystem noch läuft. + // Sollte das Soundsystem beendet worden sein müssen und können Sounds nicht mehr freigegeben werden. + if (m_SoundPtr && BS_Kernel::GetInstance()->GetService("sfx")) FMOD_Sound_Release(m_SoundPtr); + if (m_SoundDataPtr) delete [] m_SoundDataPtr; +} + +// ----------------------------------------------------------------------------- +// Abspielen +// ----------------------------------------------------------------------------- + +BS_FMODExChannel * BS_FMODExResource::StartSound(FMOD_SYSTEM * FMOD) +{ + BS_ASSERT(FMOD); + + FMOD_CHANNEL * NewChannelPtr; + FMOD_SOUND * NewSoundPtr = 0; + + // Sample können sofort abgespielt werden. + if (m_SoundPtr) + { + FMOD_RESULT Result = FMOD_System_PlaySound(FMOD, FMOD_CHANNEL_FREE, m_SoundPtr, 1, &NewChannelPtr); + if (Result != FMOD_OK) + { + BS_FMODExException("FMOD_System_PlaySound()", Result).Log(); + return 0; + } + } + // Für Streams muss ein neuer Sound erstellt werden. + else + { + FMOD_CREATESOUNDEXINFO ExInfo; + memset(&ExInfo, 0, sizeof(ExInfo)); + ExInfo.cbsize = sizeof(ExInfo); + ExInfo.length = m_SoundDataSize; + + FMOD_RESULT Result; + Result = FMOD_System_CreateSound(FMOD, + m_SoundDataPtr, + FMOD_CREATESTREAM | FMOD_OPENMEMORY_POINT | FMOD_SOFTWARE | FMOD_2D | FMOD_LOOP_NORMAL, + &ExInfo, + &NewSoundPtr); + if (Result != FMOD_OK) + { + BS_FMODExException("FMOD_System_CreateSound()", Result).Log(); + return 0; + } + + Result = FMOD_System_PlaySound(FMOD, FMOD_CHANNEL_FREE, NewSoundPtr, 1, &NewChannelPtr); + if (Result != FMOD_OK) + { + BS_FMODExException("FMOD_System_PlaySound()", Result).Log(); + return 0; + } + } + + // Der Channel und der Sound (bei Streams) werden an ein BS_FMODExChannel-Objekt übergeben. + // Dieses Sorgt auch dafür, dass Channel und Sound korrekt zerstört werden. + return new BS_FMODExChannel(NewChannelPtr, NewSoundPtr); +} |