1 files changed, 184 insertions, 0 deletions

diff --git a/src/renderer/WaterLevel.h b/src/renderer/WaterLevel.h
new file mode 100644
index 00000000..d12fb9f6
--- /dev/null
+++ b/src/renderer/WaterLevel.h
@@ -0,0 +1,184 @@
+#pragma once
+
+#define WATER_X_OFFSET (0.0f)
+
+#define WATER_Z_OFFSET (0.5f)
+
+#define NO_WATER -128
+
+#define MAX_SMALL_SECTORS      128
+#define MAX_LARGE_SECTORS      64
+#define MAX_HUGE_SECTORS       32
+#define MAX_EXTRAHUGE_SECTORS  16
+
+#define SMALL_SECTOR_SIZE      32
+#define LARGE_SECTOR_SIZE      64
+#define HUGE_SECTOR_SIZE       128
+#define EXTRAHUGE_SECTOR_SIZE  256
+
+#define WATER_START_X -2048.0f
+#define WATER_END_X    2048.0f
+
+#define WATER_START_Y -2048.0f
+#define WATER_END_Y    2048.0f
+
+#define WATER_WIDTH		((WATER_END_X - WATER_START_X))
+#define WATER_HEIGHT	((WATER_END_Y - WATER_START_Y))
+
+#define WATER_UNSIGN_X(x)                   ( (x) + (WATER_WIDTH /2) )
+#define WATER_UNSIGN_Y(y)                   ( (y) + (WATER_HEIGHT/2) )
+#define WATER_SIGN_X(x)                     ( (x) - (WATER_WIDTH /2) )
+#define WATER_SIGN_Y(y)                     ( (y) - (WATER_HEIGHT/2) )
+
+// 64x64 Large blocks 64x64 each
+#define WATER_TO_BLOCK_X(x)             ( WATER_UNSIGN_X(x) / WATER_BLOCK_SECTORS )
+#define WATER_TO_BLOCK_Y(x)             ( WATER_UNSIGN_Y(x) / WATER_BLOCK_SECTORS ) 
+
+// 128x128 Small blocks 32x32 each
+#define WATER_TO_FINEBLOCK_X(x)         ( WATER_UNSIGN_X(x) / WATER_FINEBLOCK_SECTORS )
+#define WATER_TO_FINEBLOCK_Y(x)         ( WATER_UNSIGN_Y(x) / WATER_FINEBLOCK_SECTORS ) 
+
+// 32
+#define WATER_SMALL_X(x)                    ( WATER_UNSIGN_X(x)					/ MAX_SMALL_SECTORS     )
+#define WATER_SMALL_Y(y)                    ( WATER_UNSIGN_Y(y)					/ MAX_SMALL_SECTORS     )
+#define WATER_FROM_SMALL_SECTOR_X(x)        ( ((x) - (MAX_SMALL_SECTORS/2)    ) * SMALL_SECTOR_SIZE     )
+#define WATER_FROM_SMALL_SECTOR_Y(y)        ( ((y) - (MAX_SMALL_SECTORS/2)    ) * SMALL_SECTOR_SIZE     )
+#define WATER_TO_SMALL_SECTOR_X(x)          ( WATER_UNSIGN_X(x)					/ SMALL_SECTOR_SIZE     )
+#define WATER_TO_SMALL_SECTOR_Y(y)          ( WATER_UNSIGN_Y(y)					/ SMALL_SECTOR_SIZE     )
+			
+// 64			
+#define WATER_LARGE_X(x)                    ( WATER_UNSIGN_X(x)					/ MAX_LARGE_SECTORS     )
+#define WATER_LARGE_Y(y)                    ( WATER_UNSIGN_Y(y)					/ MAX_LARGE_SECTORS     )
+#define WATER_FROM_LARGE_SECTOR_X(x)        ( ((x) - (MAX_LARGE_SECTORS/2)    ) * LARGE_SECTOR_SIZE     )
+#define WATER_FROM_LARGE_SECTOR_Y(y)        ( ((y) - (MAX_LARGE_SECTORS/2)    ) * LARGE_SECTOR_SIZE     )
+#define WATER_TO_LARGE_SECTOR_X(x)          ( WATER_UNSIGN_X(x)					/ LARGE_SECTOR_SIZE     )
+#define WATER_TO_LARGE_SECTOR_Y(y)          ( WATER_UNSIGN_Y(y)					/ LARGE_SECTOR_SIZE     )
+				
+// 128				
+#define WATER_HUGE_X(x)                     ( WATER_UNSIGN_X(x)					/ MAX_HUGE_SECTORS      )
+#define WATER_HUGE_Y(y)                     ( WATER_UNSIGN_Y(y)					/ MAX_HUGE_SECTORS      )
+#define WATER_FROM_HUGE_SECTOR_X(x)         ( ((x) - (MAX_HUGE_SECTORS/2)     ) * HUGE_SECTOR_SIZE      )
+#define WATER_FROM_HUGE_SECTOR_Y(y)         ( ((y) - (MAX_HUGE_SECTORS/2)     ) * HUGE_SECTOR_SIZE      )
+#define WATER_TO_HUGE_SECTOR_X(x)           ( WATER_UNSIGN_X(x)					/ HUGE_SECTOR_SIZE      )
+#define WATER_TO_HUGE_SECTOR_Y(y)           ( WATER_UNSIGN_Y(y)					/ HUGE_SECTOR_SIZE      )
+
+// 256	
+#define WATER_EXTRAHUGE_X(x)                ( WATER_UNSIGN_X(x)					/ MAX_EXTRAHUGE_SECTORS )
+#define WATER_EXTRAHUGE_Y(y)                ( WATER_UNSIGN_Y(y)					/ MAX_EXTRAHUGE_SECTORS )
+#define WATER_FROM_EXTRAHUGE_SECTOR_X(x)    ( ((x) - (MAX_EXTRAHUGE_SECTORS/2)) * EXTRAHUGE_SECTOR_SIZE )
+#define WATER_FROM_EXTRAHUGE_SECTOR_Y(y)    ( ((y) - (MAX_EXTRAHUGE_SECTORS/2)) * EXTRAHUGE_SECTOR_SIZE )
+#define WATER_TO_EXTRAHUGE_SECTOR_X(x)      ( WATER_UNSIGN_X(x)					/ EXTRAHUGE_SECTOR_SIZE )
+#define WATER_TO_EXTRAHUGE_SECTOR_Y(y)      ( WATER_UNSIGN_Y(y)					/ EXTRAHUGE_SECTOR_SIZE )
+
+struct ColData
+{
+	uint8 SurfaceType;
+	uint8 PieceType;
+};
+
+enum eBeachToy
+{
+	BEACHTOY_0 = 0,
+	BEACHTOY_BALL,
+	BEACHTOY_LOUNGE_WOOD_UP,
+	BEACHTOY_LOUNGE_TOWEL_UP,
+	BEACHTOY_LOUNGE_WOOD_ON,
+	BEACHTOY_ANY_LOUNGE,
+	BEACHTOY_LOTION,
+	BEACHTOY_TOWEL1,
+	BEACHTOY_TOWEL2,
+	BEACHTOY_TOWEL3,
+	BEACHTOY_TOWEL4,
+	BEACHTOY_ANY_TOWEL,
+};
+
+extern RwRaster* gpWaterRaster;
+extern bool gbDontRenderWater;
+
+class CEntity;
+
+class CWaterLevel
+{
+public:
+	static int32       ms_nNoOfWaterLevels;
+	static float       ms_aWaterZs[48];
+	static CRect       ms_aWaterRects[48];
+	static int8        aWaterBlockList[MAX_LARGE_SECTORS][MAX_LARGE_SECTORS];				// 64x64 Large blocks 64x64 each
+	static int8        aWaterFineBlockList[MAX_SMALL_SECTORS][MAX_SMALL_SECTORS];			// 128x128 Small blocks 32x32 each
+	static bool        WavesCalculatedThisFrame;
+
+	static bool        RequireWavySector;
+	static bool        MaskCalculatedThisFrame;
+	static CVector     PreCalculatedMaskPosn;
+	static bool        m_bRenderSeaBed;
+	static int32       m_nRenderWaterLayers;
+
+	static RpAtomic    *ms_pWavyAtomic;
+	static RpAtomic    *ms_pMaskAtomic;
+
+	static void    Initialise(Const char *pWaterDat); // out of class in III PC and later because of SecuROM
+	static void    Shutdown();
+
+	static void    CreateWavyAtomic();
+	static void    DestroyWavyAtomic();
+
+	static void    AddWaterLevel(float fXLeft, float fYBottom, float fXRight, float fYTop, float fLevel);
+	static bool    WaterLevelAccordingToRectangles(float fX, float fY, float *pfOutLevel = nil);
+	static bool    TestVisibilityForFineWaterBlocks(const CVector &worldPos);
+	static void    RemoveIsolatedWater();
+
+	static bool    GetWaterLevel(float fX, float fY, float fZ, float *pfOutLevel, bool bDontCheckZ);
+	static bool    GetWaterLevel(CVector coors, float *pfOutLevel, bool bDontCheckZ) { return GetWaterLevel(coors.x, coors.y, coors.z, pfOutLevel, bDontCheckZ); }
+	static bool    GetWaterLevelNoWaves(float fX, float fY, float fZ, float *pfOutLevel);
+	static float   GetWaterWavesOnly(short x, short y);	// unused
+	static CVector GetWaterNormal(float fX, float fY);
+
+	static void    RenderWater();
+	static void    RenderTransparentWater(void);
+	// unused 
+	static void RenderOneFlatSmallWaterPoly    (float fX, float fY, float fZ, RwRGBA const &color);
+	// inlined
+	static void RenderOneFlatLargeWaterPoly    (float fX, float fY, float fZ, RwRGBA const &color);	
+	static void RenderOneFlatHugeWaterPoly     (float fX, float fY, float fZ, RwRGBA const &color);
+	static void RenderOneFlatExtraHugeWaterPoly(float fX, float fY, float fZ, RwRGBA const &color);
+	// inlined
+	static void RenderOneWavySector            (float fX, float fY, float fZ, RwRGBA const &color, bool bDontRender = false);
+	// unused
+#ifdef PC_WATER
+	static void RenderWavyMask(float fX, float fY, float fZ, float fSectorX, float fSectorY, float fCamPosX, float fCamPosY, float fCamDirX, float fCamDirY, RwRGBA const&color);
+#else
+	static void RenderWavyMask(float fX, float fY, float fZ, float fSectorX, float fSectorY, int32 nCamDirX, int32 nCamDirY, RwRGBA const&color);
+#endif
+
+#ifdef PC_WATER
+	static void PreCalcWaterGeometry(void);
+	static bool PreCalcWavySector(RwRGBA const &color);	//fucked up
+	static bool PreCalcWavyMask(float fX, float fY, float fZ, float fSectorX, float fSectorY, float fCamPosX, float fCamPosY, float fCamDirX, float fCamDirY, RwRGBA const&color);
+#endif
+
+
+	static void RenderBoatWakes(void);
+	static void RenderWakeSegment(CVector2D &vecA, CVector2D &vecB, CVector2D &vecC, CVector2D &vecD, float &fSizeA, float &fSizeB, float &fAlphaA, float &fAlphaB, float &fWakeZ);
+
+	// unused
+	static void RenderOneSlopedUnderWaterPoly(float fX, float fY, float fZ, RwRGBA const&color); // UNUSED
+	static void RenderOneFlatSmallWaterPolyBlended(float fX, float fY, float fZ, float fCamX, float fCamY, RwRGBA const &color, RwRGBA const &colorTrans, float fDrawDist);
+	static float CalcDistanceToWater(float fX, float fY);
+	static void RenderAndEmptyRenderBuffer();
+	
+	static bool GetGroundLevel(CVector const &vecPosn, float *pfOutLevel, ColData *pData, float fDistance);
+
+	// unused
+	static bool IsLocationOutOfWorldBounds_WS(CVector const &vecPosn, int nOffset);
+	// unused
+	static bool GetGroundLevel_WS(CVector const & vecPosn, float *pfOutLevel, ColData *pData, float fDistance);
+	static bool GetWaterDepth(CVector const &vecPosn, float *pfDepth, float *pfLevelNoWaves, float *pfGroundLevel);
+
+	static void RenderSeaBirds();
+	static void RenderShipsOnHorizon();
+
+	static void HandleSeaLifeForms();
+
+	static void HandleBeachToysStuff(void);
+	static CEntity *CreateBeachToy(CVector const &vec, eBeachToy beachtoy);
+};