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// -----------------------------------------------------------------------------
// This file is part of Broken Sword 2.5
// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsd�rfer
//
// 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
// -----------------------------------------------------------------------------
#ifndef FMODEXSOUND_H
#define FMODEXSOUND_H
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
#include "kernel/memlog_off.h"
#include <vector>
#include <map>
#include "kernel/memlog_on.h"
#include "kernel/common.h"
#include "kernel/hashmap.h"
#include "soundengine.h"
#include "fmod.h"
// -----------------------------------------------------------------------------
// Forward Declarations
// -----------------------------------------------------------------------------
class BS_FMODExChannel;
struct FMOD_SYSTEM;
struct FMOD_CHANNEL;
// -----------------------------------------------------------------------------
// Klassendefinition
// -----------------------------------------------------------------------------
class BS_FMODExSound : public BS_SoundEngine
{
public:
// -----------------------------------------------------------------------------
// Konstruktion / Destruktion
// -----------------------------------------------------------------------------
BS_FMODExSound(BS_Kernel* pKernel);
virtual ~BS_FMODExSound();
bool Init(unsigned int SampleRate, unsigned int Channels = 32);
void Update();
void SetVolume(float Volume, SOUND_TYPES Type);
float GetVolume(SOUND_TYPES Type);
void PauseAll();
void ResumeAll();
void PauseLayer(unsigned int Layer);
void ResumeLayer(unsigned int Layer);
bool PlaySound(const std::string& FileName, SOUND_TYPES Type, float Volume, float Pan, bool Loop, int LoopStart, int LoopEnd, unsigned int Layer);
unsigned int PlaySoundEx(const std::string& FileName, SOUND_TYPES Type, float Volume, float Pan, bool Loop, int LoopStart, int LoopEnd, unsigned int Layer);
unsigned int PlayDynamicSoundEx(DynamicSoundReadCallback ReadCallback, void * UserData, SOUND_TYPES Type, unsigned int SampleRate, unsigned int BitsPerSample, unsigned int Channels, float Volume = 1.0f, float Pan = 0.0f, unsigned int Layer = 0);
void SetSoundVolume(unsigned int Handle, float Volume);
void SetSoundPanning(unsigned int Handle, float Pan);
void PauseSound(unsigned int Handle);
void ResumeSound(unsigned int Handle);
void StopSound(unsigned int Handle);
bool IsSoundPaused(unsigned int Handle);
bool IsSoundPlaying(unsigned int Handle);
float GetSoundVolume(unsigned int Handle);
float GetSoundPanning(unsigned int Handle);
float GetSoundTime(unsigned int Handle);
BS_Resource * LoadResource(const std::string& FileName);
bool CanLoadResource(const std::string& FileName);
// -----------------------------------------------------------------------------
// Persistenz
// -----------------------------------------------------------------------------
bool Persist(BS_OutputPersistenceBlock & Writer);
bool Unpersist(BS_InputPersistenceBlock & Reader);
private:
struct PlayingSoundData
{
PlayingSoundData() {};
PlayingSoundData(BS_Resource * ResourcePtr_, BS_FMODExChannel * ChannelPtr_, SOUND_TYPES Type_, unsigned int Layer_, float Volume_, DynamicSoundReadCallback ReadCallback_ = 0, void * UserData_ = 0) :
ResourcePtr(ResourcePtr_),
ChannelPtr(ChannelPtr_),
Type(Type_),
Layer(Layer_),
Volume(Volume_),
ReadCallback(ReadCallback_),
UserData(UserData_),
Paused(false),
PausedLayer(false),
PausedGlobal(false)
{}
BS_Resource * ResourcePtr;
BS_FMODExChannel * ChannelPtr;
SOUND_TYPES Type;
unsigned int Layer;
DynamicSoundReadCallback ReadCallback;
void * UserData;
float Volume;
bool Paused;
bool PausedLayer;
bool PausedGlobal;
};
typedef BS_Hashmap<unsigned int, PlayingSoundData> PSM;
typedef BS_Hashmap<unsigned int, PlayingSoundData>::iterator PSM_ITER;
typedef BS_Hashmap<unsigned int, PlayingSoundData>::const_iterator PSM_CONST_ITER;
PSM m_PlayingSoundsMap;
FMOD_SYSTEM * m_FMOD;
float m_Volumes[3];
unsigned int m_NextHandle;
void RemoveInactiveSounds();
PlayingSoundData * GetPlayingSoundDataByHandle(unsigned int Handle);
unsigned int PlaySoundInternal(const std::string& FileName, SOUND_TYPES Type, float Volume, float Pan, bool Loop, int LoopStart, int LoopEnd, unsigned int Layer, unsigned int Handle, unsigned int Position);
unsigned int CountPlayingDynamicSounds();
static FMOD_RESULT F_CALLBACK FMODExDynamicSoundSetPosCallback(FMOD_SOUND *sound, int subsound, unsigned int position, FMOD_TIMEUNIT postype);
static FMOD_RESULT F_CALLBACK FMODExDynamicSoundReadCallback(FMOD_SOUND *sound, void *data, unsigned int datalen);
static FMOD_RESULT F_CALLBACK DSPReadCallback(FMOD_DSP_STATE * dsp_state, float * inbuffer, float * outbuffer, unsigned int length, int inchannels, int outchannels);
};
#endif
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