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131 lines
5.0 KiB
131 lines
5.0 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 CelBlit(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void CelDraw(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelBlitFrame(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelClippedDraw(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void CelClippedBlit(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void CelBlitLight(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, BYTE *tbl = NULL); |
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void CelDrawLight(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, BYTE *tbl = NULL); |
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void CelClippedDrawLight(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void CelClippedBlitLightTrans(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void CelDrawLightRed(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap, char light); |
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void CelBlitSafe(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void CelClippedDrawSafe(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void CelBlitLightSafe(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, BYTE *tbl = NULL); |
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void CelBlitLightTransSafe(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void CelDrawLightRedSafe(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap, char light); |
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void CelBlitWidth(BYTE *pBuff, int always_0, int hgt, int wdt, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelBlitOutline(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void CelBlitOutlineSafe(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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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 Cl2Draw(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void Cl2DrawOutline(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void Cl2DrawLightTbl(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip, int CelCap, char light); |
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void Cl2DrawLight(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, int CelSkip = 0, int CelCap = 8); |
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void Cl2BlitSafe(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth); |
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void Cl2BlitOutlineSafe(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, char col); |
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void Cl2BlitLightSafe(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, BYTE *pTable); |
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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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