summaryrefslogtreecommitdiff
path: root/src/render/WaterLevel.h
blob: 6d6614d8f9b1f65baf10830d642ae807e4718e75 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
#pragma once

#define WATER_X_OFFSET (400.0f)

#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);
};