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#ifndef NW4R_SND_FRAME_HEAP_H
#define NW4R_SND_FRAME_HEAP_H
#include "nw4r/types_nw4r.h" // IWYU pragma: export
#include "nw4r/ut.h" // IWYU pragma: export
#include "rvl/MEM.h" // IWYU pragma: export
namespace nw4r {
namespace snd {
namespace detail {
class FrameHeap {
public:
typedef void (*FreeCallback)(void *pBuffer, u32 size, void *pCallbackArg);
public:
FrameHeap();
~FrameHeap();
bool Create(void *pBase, u32 size);
void Destroy();
void Clear();
void *Alloc(u32 size, FreeCallback pCallback, void *pCallbackArg);
int SaveState();
void LoadState(int id);
int GetCurrentLevel() const;
u32 GetFreeSize() const;
bool IsValid() const {
return mHandle != NULL;
}
private:
struct Block {
NW4R_UT_LIST_NODE_DECL(); // at 0x0
void *mpBuffer; // at 0x8
u32 mSize; // at 0xC
FreeCallback mCallback; // at 0x10
void *mCallbackArg; // at 0x14
Block(void *pBuffer2, u32 size, FreeCallback pCallback, void *pCallbackArg)
: mSize(size), mCallback(pCallback), mCallbackArg(pCallbackArg), mpBuffer(pBuffer2) {}
~Block() {
if (mCallback != NULL) {
mCallback(mpBuffer, mSize, mCallbackArg);
}
}
};
NW4R_UT_LIST_TYPEDEF_DECL(Block);
struct Section {
NW4R_UT_LIST_NODE_DECL(); // at 0x0
BlockList mBlockList; // at 0x8
~Section() {
for (BlockList::Iterator it = mBlockList.GetEndIter(); it != mBlockList.GetBeginIter();) {
(--it)->~Block();
}
}
void AppendBlock(Block *pBlock) {
mBlockList.PushBack(pBlock);
}
};
NW4R_UT_LIST_TYPEDEF_DECL(Section);
static const int BLOCK_BUFFER_SIZE = ROUND_UP(sizeof(Block), 32);
static const int HEAP_ALIGN = 32;
private:
bool NewSection();
void ClearSection();
private:
MEMiHeapHead *mHandle; // at 0x0
SectionList mSectionList; // at 0x4
};
} // namespace detail
} // namespace snd
} // namespace nw4r
#endif
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