root/trunk/SMAC/SMACIMAscomDispatcher.cpp

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/*=============================================================================
        SMACIMAscomDispatcher.cpp

=============================================================================*/

// Theory of Operation
//
// This is largely boilerplate code. The IMA can be replaced by the appropriate
// format name.

//=============================================================================
//      Includes
//=============================================================================
#include <CAConditionalMacros.h>

#include "SMACIMAscom.h"

//=============================================================================
//      SMACIMAscomDispatcher
//
//      This is the dispatcher for components implemented by the SMACIMAscom class.
//=============================================================================

//      the component globals
struct  SMACIMAscomGlobals
{
        ComponentInstance       sourceComponent;
        SMACIMAscom*            mThis;
        SMACIMAscomGlobals() : sourceComponent(NULL), mThis(NULL) {}
};
typedef SMACIMAscomGlobals*     SMACIMAscomGlobalsPtr;

//      the basic defines for SoundComponentDispatch.c
// The versions are such that they'll override the standard SoundManager ones
#if DEBUG
#define kSoundComponentVersion                                  0x70ff0004
#else
#define kSoundComponentVersion                                  0x00020004
#endif
#define SoundComponentBaseName()                                SMACIMAscom
#define SoundComponentGlobals                                   SMACIMAscomGlobals
#define SoundComponentGlobalsPtr                                SMACIMAscomGlobalsPtr


//      the component routines implemented
#define __SoundComponentOpenRoutine                             kImplemented
#define __SoundComponentCloseRoutine                    kImplemented
#define __SoundComponentSetSourceRoutine                kImplemented
#define __SoundComponentSetOutputRoutine                kImplemented
#define __SoundComponentPlaySourceBufferRoutine kImplemented
#define __SoundComponentStopSourceRoutine               kImplemented
#define __SoundComponentGetInfoRoutine                  kImplemented
#define __SoundComponentSetInfoRoutine                  kImplemented
#define __SoundComponentGetSourceDataRoutine    kImplemented

//      include SoundComponentDispatch.c to write the dispatcher
extern "C"
{
#include "SMACDispatch.c"

static pascal ComponentResult __SoundComponentOpen(void* inUnused, ComponentInstance inSelf)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                //      create the globals
                SMACIMAscomGlobals* theGlobals = new SMACIMAscomGlobals();
                
                //      creat the SMACIMAscom object
                theGlobals->mThis = new SMACIMAscom(inSelf);
                
                //      tell the Component Manager about our globals
                SetComponentInstanceStorage(inSelf, (Handle)theGlobals);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

static pascal ComponentResult __SoundComponentClose(SoundComponentGlobalsPtr inGlobals, ComponentInstance inSelf)
{
        if(inGlobals != NULL)
        {
                //      close the source component
                if(inGlobals->sourceComponent != NULL)
                {
                        CloseComponent(inGlobals->sourceComponent);
                }
                
                //      dispose of the SMACIMAscom object
                delete inGlobals->mThis;
                
                //      dispose of the globals themselves
                delete inGlobals;
        }
        
        return 0;
}

static pascal ComponentResult __SoundComponentSetSource(SoundComponentGlobalsPtr inGlobals, SoundSource inSourceID, ComponentInstance inSourceComponent)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                inGlobals->sourceComponent = inSourceComponent;
                inGlobals->mThis->SetSource(inSourceID, inSourceComponent);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

static pascal ComponentResult __SoundComponentSetOutput(SoundComponentGlobalsPtr inGlobals, SoundComponentDataPtr inRequested, SoundComponentDataPtr* inActual)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                inGlobals->mThis->SetOutput(inRequested, inActual);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

static pascal ComponentResult __SoundComponentPlaySourceBuffer(SoundComponentGlobalsPtr inGlobals, SoundSource inSourceID, SoundParamBlockPtr inPB, SInt32 inActions)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                inGlobals->mThis->PlaySourceBuffer(inSourceID, inPB, inActions);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

static pascal ComponentResult __SoundComponentStopSource(SoundComponentGlobalsPtr inGlobals, SInt16 inNumberSources, SoundSource* inSources)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                inGlobals->mThis->StopSource(inNumberSources, inSources);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

static pascal ComponentResult __SoundComponentGetInfo(SoundComponentGlobalsPtr inGlobals, SoundSource inSourceID, OSType inSelector, void* outData)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                inGlobals->mThis->GetInfo(inSourceID, inSelector, outData);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

static pascal ComponentResult __SoundComponentSetInfo(SoundComponentGlobalsPtr inGlobals, SoundSource inSourceID, OSType inSelector, void* inData)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                inGlobals->mThis->SetInfo(inSourceID, inSelector, inData);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

static pascal ComponentResult __SoundComponentGetSourceData(SoundComponentGlobalsPtr inGlobals, SoundComponentData** outData)
{
        ComponentResult theAnswer = 0;
        
        try
        {
                inGlobals->mThis->GetSourceData(outData);
        }
        catch(UInt32 theError)
        {
                theAnswer = theError;
        }
        catch(...)
        {
                theAnswer = -50;
        }
        
        return theAnswer;
}

} // extern "C"