mirror of
https://github.com/ACreTeam/ac-decomp
synced 2026-05-23 06:34:18 -04:00
Prakxo
94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
#ifndef JKRDECOMP_H
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#define JKRDECOMP_H
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#include "types.h"
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#include "dolphin/os/OSMessage.h"
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#include "JSystem/JKernel/JKRThread.h"
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#include "JSystem/JKernel/JKRAram.h"
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#define JKRDECOMP_MSG_BUF_COUNT 4
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#define JKRDECOMP_STACK_SIZE 0x4000
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#define JKRDECOMP_THREAD_MSG_BUF_COUNT 16
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#define JKRDECOMP_READU32BE(ptr, offset) (((u32)ptr[offset] << 24) | ((u32)ptr[offset + 1] << 16) | ((u32)ptr[offset + 2] << 8) | (u32)ptr[offset + 3])
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#define SZ_MIN_BACKSIZE 3
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#define SZ_DEFAULT_BACKSIZE 15 + SZ_MIN_BACKSIZE
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#define SZP_GETBACKOFS(buf) (((*((u8*)buf) & 0xF) << 8) | (*(((u8*)buf)+1)))
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#define SZP_GETCOUNT(buf) (*((u16*)buf) >> 12)
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typedef void DecompCallback(u32);
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class JKRDecompCommand {
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public:
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enum TransferType {
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MRAM = 0,
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ARAM = 1
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};
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JKRDecompCommand();
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~JKRDecompCommand();
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u8 _00[4];
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u8* mSrcBuffer;
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u8* mDstBuffer;
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u32 mSrcLength;
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u32 mSkipCount;
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DecompCallback* mCallback;
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JKRDecompCommand* mCmd;
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OSMessageQueue* pMesgQueue1C;
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TransferType transferType;
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JKRAMCommand* mAMCommand;
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OSMessageQueue mMesgQueue;
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OSMessage mMesgBuffer[1];
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};
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class JKRDecomp : public JKRThread {
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public:
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enum CompressionMode {
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NONE = 0,
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SZP = 1,
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SZS = 2
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};
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JKRDecomp(s32 decompPriority);
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virtual ~JKRDecomp();
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virtual void* run();
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static JKRDecompCommand* prepareCommand(u8* srcBuffer, u8* dstBuffer, u32 srcLength, u32 skipCount, DecompCallback* callback);
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static CompressionMode checkCompressed(u8* buf);
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static JKRDecomp* create(s32 decompPriority);
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static void decode(u8* srcBuffer, u8* dstBuffer, u32 srcLength, u32 skipCount);
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static void decodeSZP(u8* srcBuffer, u8* dstBuffer, u32 srcLength, u32 skipCount);
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static void decodeSZS(u8* srcBuffer, u8* dstBuffer, u32 srcLength, u32 skipCount);
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static bool orderSync(u8* srcBuffer, u8* dstBuffer, u32 srcLength, u32 skipCount);
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static JKRDecompCommand* orderAsync(u8* srcBuffer, u8* dstBuffer, u32 srcLength, u32 skipCount, DecompCallback* callback);
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static bool sync(JKRDecompCommand* cmd, BOOL noBlock);
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static BOOL sendCommand(JKRDecompCommand* cmd);
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static OSMessageQueue sMessageQueue;
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static OSMessage sMessageBuffer[JKRDECOMP_MSG_BUF_COUNT];
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static JKRDecomp* sDecompObject;
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};
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inline JKRDecomp* JKRCreateDecompManager(s32 priority) {
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return JKRDecomp::create(priority);
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}
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inline JKRDecomp::CompressionMode JKRCheckCompressed(u8* buf) {
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return JKRDecomp::checkCompressed(buf);
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}
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inline u32 JKRDecompExpandSize(u8* buf) {
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return (buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7];
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}
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inline void JKRDecompress(u8* src, u8* dst, u32 srcLength, u32 skipCount) {
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JKRDecomp::orderSync(src, dst, srcLength, skipCount);
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}
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#endif
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