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#include "nw4r/snd/snd_PlayerHeap.h"
/*******************************************************************************
* headers
*/
#include <cstddef> // NULL
#include "common.h"
#include "nw4r/snd/snd_DisposeCallbackManager.h"
#include "nw4r/snd/snd_SoundThread.h" // SoundThread::AutoLock
#include "nw4r/ut/ut_algorithm.h"
#include "nw4r/NW4RAssert.hpp"
/*******************************************************************************
* types
*/
// forward declarations
namespace nw4r { namespace snd { namespace detail { class BasicSound; }}}
/*******************************************************************************
* functions
*/
namespace nw4r { namespace snd { namespace detail {
PlayerHeap::PlayerHeap() :
mSound (nullptr),
mPlayer (nullptr),
mStartAddress (nullptr),
mEndAddress (nullptr),
mAllocAddress (nullptr)
{
}
PlayerHeap::~PlayerHeap()
{
Destroy();
}
bool PlayerHeap::Create(void *startAddress, u32 size)
{
void *endAddress = ut::AddOffsetToPtr(startAddress, size);
startAddress = ut::RoundUp(startAddress, 32);
if (startAddress > endAddress)
return false;
mStartAddress = startAddress;
mEndAddress = endAddress;
mAllocAddress = mStartAddress;
return true;
}
void PlayerHeap::Destroy()
{
Clear();
mAllocAddress = nullptr;
}
void *PlayerHeap::Alloc(u32 size)
{
NW4RAssertAligned_Line(108, mAllocAddress, 32);
void *endp = ut::AddOffsetToPtr(mAllocAddress, size);
if (endp > mEndAddress)
return nullptr;
void *allocAddress = mAllocAddress;
mAllocAddress = ut::RoundUp(endp, 32);
return allocAddress;
}
void PlayerHeap::Clear()
{
SoundThread::AutoLock lockForDispose;
DisposeCallbackManager::GetInstance().Dispose(
mStartAddress, ut::GetOffsetFromPtr(mStartAddress, mAllocAddress),
nullptr);
DisposeCallbackManager::GetInstance().DisposeWave(
mStartAddress, ut::GetOffsetFromPtr(mStartAddress, mAllocAddress),
nullptr);
mAllocAddress = mStartAddress;
}
u32 PlayerHeap::GetFreeSize() const
{
s32 offset = ut::GetOffsetFromPtr(mAllocAddress, mEndAddress);
NW4RAssert_Line(157, offset >= 0);
return offset;
}
void PlayerHeap::AttachSound(BasicSound *sound)
{
NW4RAssertPointerNonnull_Line(172, sound);
NW4RAssert_Line(173, mSound == NULL);
mSound = sound;
}
void PlayerHeap::DetachSound(BasicSound *sound)
{
NW4RAssertPointerNonnull_Line(189, sound);
NW4RAssert_Line(190, sound == mSound);
mSound = nullptr;
}
}}} // namespace nw4r::snd::detail
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