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https://github.com/ACreTeam/ac-decomp
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Hexalotl
110 lines
4.3 KiB
C++
110 lines
4.3 KiB
C++
#ifndef JKREXPHEAP_H
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#define JKREXPHEAP_H
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#include "JSystem/JKernel/JKRHeap.h"
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#include "types.h"
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#ifdef __cplusplus
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class JKRExpHeap : public JKRHeap
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{
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public:
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class CMemBlock
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{
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public:
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CMemBlock* allocBack(u32, u8, u8, u8, u8);
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CMemBlock* allocFore(u32, u8, u8, u8, u8);
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void* free(JKRExpHeap*);
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static CMemBlock* getHeapBlock(void*);
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void initiate(CMemBlock*, CMemBlock*, u32, u8, u8);
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void newGroupId(u8 groupId) { mGroupID = groupId; }
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bool isValid() const { return mUsageHeader == 'HM'; }
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bool _isTempMemBlock() const { return (mFlags & 0x80) ? true : false; }
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int getAlignment() const { return mFlags & 0x7f; }
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void* getContent() const { return (void*)(this + 1); }
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CMemBlock* getPrevBlock() const { return mPrev; }
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CMemBlock* getNextBlock() const { return mNext; }
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u32 getSize() const { return mAllocatedSpace; }
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u8 getGroupId() const { return mGroupID; }
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static CMemBlock* getBlock(void* data) { return (CMemBlock*)((u32)data + -0x10); }
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u16 mUsageHeader; // _00
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u8 mFlags; // _02, a|bbbbbbb = a=temp, b=aln
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u8 mGroupID; // _03
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int mAllocatedSpace; // _04
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CMemBlock* mPrev; // _08
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CMemBlock* mNext; // _0C
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};
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JKRExpHeap(void*, u32, JKRHeap*, bool);
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virtual ~JKRExpHeap(); // _08
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virtual void* do_alloc(u32, int); // _10
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virtual void do_free(void*); // _14
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virtual void do_freeTail(); // _18
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virtual void do_freeAll(); // _1C
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virtual s32 do_resize(void*, u32); // _20
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virtual s32 do_getSize(void*); // _24
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virtual s32 do_getFreeSize(); // _28
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virtual s32 do_getTotalFreeSize(); // _2C
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virtual bool check(); // _34
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virtual bool dump_sort(); // _38
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virtual bool dump(); // _3C
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virtual s32 do_changeGroupID(u8); // _40
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virtual void state_register(TState*, u32) const; // _48
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virtual bool state_compare(const TState&, const TState&) const; // _4C
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virtual u8 do_getCurrentGroupId() { return mCurrentGroupID; } // _44 (weak)
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virtual u32 getHeapType() { return 'EXPH'; } // _30 (weak)
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void* allocFromHead(u32, int);
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void* allocFromHead(u32);
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void* allocFromTail(u32, int);
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void* allocFromTail(u32);
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void appendUsedList(CMemBlock*);
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static JKRExpHeap* create(u32, JKRHeap*, bool);
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static JKRExpHeap* create(void*, u32, JKRHeap*, bool);
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static JKRExpHeap* createRoot(int, bool);
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int freeGroup(u8 groupID);
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void joinTwoBlocks(CMemBlock*);
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void recycleFreeBlock(CMemBlock*);
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void removeFreeBlock(CMemBlock*);
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void setFreeBlock(CMemBlock*, CMemBlock*, CMemBlock*);
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// unused/inlined:
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void removeUsedBlock(CMemBlock*);
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bool isEmpty();
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s32 getUsedSize(u8 groupId) const;
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CMemBlock* getHeadUsedList() const { return mHeadUsedList; }
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void setAllocationMode(EAllocMode mode) { mCurrentAllocMode = mode; }
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static s32 getUsedSize_(JKRExpHeap* expHeap)
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{
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// s32 totalFreeSize = expHeap->getTotalFreeSize();
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return expHeap->mSize - expHeap->getTotalFreeSize();
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}
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static u32 getState_(TState* state) { return getState_buf_(state); } // might instead be a pointer to a next state?
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private:
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// _00 = VTBL
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// _00-_6C = JKRHeap
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u8 mCurrentAllocMode; // _6C
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u8 mCurrentGroupID; // _6D
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u8 _6E; // _6E
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void* _70; // _70
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u32 _74; // _74
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CMemBlock* mHead; // _78, free list
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CMemBlock* mTail; // _7C, free list
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CMemBlock* mHeadUsedList; // _80
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CMemBlock* mTailUsedList; // _84
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};
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inline JKRExpHeap* JKRCreateExpHeap(u32 size, JKRHeap* parent, bool errorFlag)
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{
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return JKRExpHeap::create(size, parent, errorFlag);
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}
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#endif
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#endif /* JKREXPHEAP_H */
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