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92 lines
3.2 KiB
92 lines
3.2 KiB
/** |
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* @file engine.h |
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* |
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* of basic engine helper functions: |
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* - Sprite blitting |
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* - Drawing |
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* - Angle calculation |
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* - RNG |
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* - Memory allocation |
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* - File loading |
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* - Video playback |
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*/ |
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#ifndef __ENGINE_H__ |
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#define __ENGINE_H__ |
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DEVILUTION_BEGIN_NAMESPACE |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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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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#define LOAD_LE32(b) (((DWORD)(b)[3] << 24) | ((DWORD)(b)[2] << 16) | ((DWORD)(b)[1] << 8) | (DWORD)(b)[0]) |
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inline BYTE *CelGetFrame(BYTE *pCelBuff, int nCel, int *nDataSize) |
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{ |
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DWORD nCellStart; |
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nCellStart = LOAD_LE32(&pCelBuff[nCel * 4]); |
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*nDataSize = LOAD_LE32(&pCelBuff[(nCel + 1) * 4]) - nCellStart; |
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return pCelBuff + nCellStart; |
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} |
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inline BYTE *CelGetFrameClipped(BYTE *pCelBuff, int nCel, int *nDataSize) |
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{ |
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DWORD nDataStart; |
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BYTE *pRLEBytes = CelGetFrame(pCelBuff, nCel, nDataSize); |
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nDataStart = pRLEBytes[1] << 8 | pRLEBytes[0]; |
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*nDataSize -= nDataStart; |
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return pRLEBytes + nDataStart; |
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} |
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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); |
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void CelDrawLight(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, BYTE *tbl); |
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void CelClippedDrawLight(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelClippedBlitLightTrans(BYTE *pBuff, BYTE *pCelBuff, int nCel, int nWidth); |
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void CelDrawLightRed(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, 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); |
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void CelBlitLightSafe(BYTE *pDecodeTo, BYTE *pRLEBytes, int nDataSize, int nWidth, BYTE *tbl); |
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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, char light); |
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void CelBlitWidth(BYTE *pBuff, int x, int y, 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); |
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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(const char *pszName, DWORD *pdwFileLen); |
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DWORD LoadFileWithMem(const char *pszName, BYTE *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); |
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void Cl2DrawOutline(char col, int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth); |
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void Cl2DrawLightTbl(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth, char light); |
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void Cl2DrawLight(int sx, int sy, BYTE *pCelBuff, int nCel, int nWidth); |
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void PlayInGameMovie(const char *pszMovie); |
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#ifdef __cplusplus |
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} |
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#endif |
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DEVILUTION_END_NAMESPACE |
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#endif /* __ENGINE_H__ */
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