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142 lines
6.0 KiB
142 lines
6.0 KiB
//HEADER_GOES_HERE |
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#ifndef __ENGINE_H__ |
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#define __ENGINE_H__ |
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//offset 0 |
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//pCelBuff->pFrameTable[0] |
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extern char gbPixelCol; // automap pixel color 8-bit (palette entry) |
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extern BOOL gbRotateMap; // flip - if y < x |
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extern int orgseed; |
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extern int SeedCount; |
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extern BOOL gbNotInView; // valid - if x/y are in bounds |
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inline BYTE *CelGetFrameStart(BYTE *pCelBuff, int nCel) |
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{ |
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DWORD *pFrameTable; |
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pFrameTable = (DWORD *)pCelBuff; |
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return pCelBuff + SwapLE32(pFrameTable[nCel]); |
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} |
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inline int CelGetFrameSize(BYTE *pCelBuff, int nCel) |
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{ |
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DWORD *pFrameTable; |
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pFrameTable = (DWORD *)pCelBuff; |
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return SwapLE32(pFrameTable[nCel + 1]) - SwapLE32(pFrameTable[nCel]); |
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} |
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inline BYTE *CelGetFrame(BYTE *pCelBuff, int nCel, int *nDataSize) |
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{ |
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DWORD *pFrameTable; |
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DWORD nCellStart; |
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pFrameTable = (DWORD *)pCelBuff; |
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nCellStart = SwapLE32(pFrameTable[nCel]); |
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*nDataSize = SwapLE32(pFrameTable[nCel + 1]) - nCellStart; |
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return pCelBuff + nCellStart; |
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} |
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inline BYTE *CelGetFrameClipped(BYTE *pCelBuff, int nCel, int CelSkip, int CelCap, int *nDataSize) |
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{ |
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BYTE *pRLEBytes; |
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DWORD *pFrameTable; |
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int nDataStart, nCellStart, nDataCap; |
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pFrameTable = (DWORD *)pCelBuff; |
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nCellStart = SwapLE32(pFrameTable[nCel]); |
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const int nCellEnd = SwapLE32(pFrameTable[nCel + 1]); |
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if (CelSkip + 1 >= nCellEnd) |
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return nullptr; |
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pRLEBytes = &pCelBuff[nCellStart]; |
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const auto read_as_word = [pRLEBytes](int i) -> WORD { |
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#ifdef PLATFORM_LITTLE_ENDIAN |
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return (pRLEBytes[i] << 8) | pRLEBytes[i + 1]; |
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#else |
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return pRLEBytes[i] | (pRLEBytes[i + 1] << 8); |
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#endif |
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}; |
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nDataStart = read_as_word(CelSkip); |
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if (nDataStart == 0) |
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return NULL; |
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*nDataSize = nCellEnd - nCellStart; |
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if (CelCap == 8) |
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nDataCap = 0; |
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else |
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nDataCap = read_as_word(CelCap); |
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if (nDataCap) |
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*nDataSize = nDataCap - nDataStart; |
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else |
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*nDataSize -= nDataStart; |
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return pRLEBytes + nDataStart; |
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} |
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void CelDrawDatOnly(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void CelDecodeOnly(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelDecDatOnly(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelDrawHdrOnly(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void CelDecodeHdrOnly(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void CelDecDatLightOnly(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, BYTE *tbl = NULL); |
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void CelDecDatLightTrans(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void CelDecodeLightOnly(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelDecodeHdrLightOnly(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void CelDecodeHdrLightTrans(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void CelDrawHdrLightRed(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap, char light); |
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void Cel2DecDatOnly(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void Cel2DrawHdrOnly(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cel2DecodeHdrOnly(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cel2DecDatLightOnly(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void Cel2DecDatLightTrans(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void Cel2DecodeHdrLight(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cel2DecodeLightTrans(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cel2DrawHdrLightRed(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap, char light); |
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void CelDecodeRect(BYTE *pBuff, int always_0, int hgt, int wdt, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelDecodeClr(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void CelDrawHdrClrHL(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void ENG_set_pixel(int sx, int sy, BYTE col); |
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void engine_draw_pixel(int sx, int sy); |
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void DrawLine(int x0, int y0, int x1, int y1, BYTE col); |
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int GetDirection(int x1, int y1, int x2, int y2); |
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void SetRndSeed(int s); |
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int GetRndSeed(); |
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int random(BYTE idx, int v); |
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void engine_debug_trap(BOOL show_cursor); |
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BYTE *DiabloAllocPtr(DWORD dwBytes); |
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void mem_free_dbg(void *p); |
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BYTE *LoadFileInMem(char *pszName, DWORD *pdwFileLen); |
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DWORD LoadFileWithMem(const char *pszName, void *p); |
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void Cl2ApplyTrans(BYTE *p, BYTE *ttbl, int nCel); |
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void Cl2DecodeFrm1(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cl2DecDatFrm1(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void Cl2DecodeFrm2(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cl2DecDatFrm2(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, char col); |
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void Cl2DecodeFrm3(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap, char light); |
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void Cl2DecDatLightTbl1(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, BYTE *pTable); |
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void Cl2DecodeLightTbl(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cl2DecodeFrm4(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cl2DecDatFrm4(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void Cl2DecodeClrHL(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void Cl2DecDatClrHL(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, char col); |
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void Cl2DecodeFrm5(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap, char light); |
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void Cl2DecDatLightTbl2(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, BYTE *pTable); |
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void Cl2DecodeFrm6(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap); |
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void PlayInGameMovie(char *pszMovie); |
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/* rdata */ |
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extern const int RndInc; |
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extern const int RndMult; |
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#endif /* __ENGINE_H__ */
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