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#pragma once
#define WATER_Z_OFFSET (1.5f)
#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) )
// 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 )
#define MAX_BOAT_WAKES 8
extern RwRaster* gpWaterRaster;
extern bool gbDontRenderWater;
class CWaterLevel
{
static int32 ms_nNoOfWaterLevels;
static float ms_aWaterZs[48];
static CRect ms_aWaterRects[48];
static int8 aWaterBlockList[MAX_LARGE_SECTORS][MAX_LARGE_SECTORS];
static int8 aWaterFineBlockList[MAX_SMALL_SECTORS][MAX_SMALL_SECTORS];
static bool WavesCalculatedThisFrame;
static RpAtomic *ms_pWavyAtomic;
static RpGeometry *apGeomArray[MAX_BOAT_WAKES];
static int16 nGeomUsed;
public:
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 void RenderWater();
static void RenderOneFlatSmallWaterPoly (float fX, float fY, float fZ, RwRGBA const &color);
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);
static void RenderOneWavySector (float fX, float fY, float fZ, RwRGBA const &color, bool bUnk = false);
static float CalcDistanceToWater(float fX, float fY);
static void RenderAndEmptyRenderBuffer();
static void AllocateBoatWakeArray();
static void FreeBoatWakeArray();
};
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