WaterLevel done

src/core/common.h

@@ -138,6 +138,7 @@ inline float sq(float x) { return x*x; }
 #define SQR(x) ((x) * (x))
 
 #define PI M_PI
+#define TWOPI PI*2
 #define DEGTORAD(x) ((x) * PI / 180.0f)
 #define RADTODEG(x) ((x) * 180.0f / PI)
 

src/render/Particle.h

@@ -6,13 +6,13 @@ class CEntity;
 
 class CParticle
 {
+public:
 	enum
 	{
 		RAND_TABLE_SIZE    = 20,
 		SIN_COS_TABLE_SIZE = 1024
 	};
 
-public:
 	CVector   m_vecPosition;
 	CVector   m_vecVelocity;
 	CVector   m_vecScreenPosition;

src/render/RenderBuffer.cpp

@@ -5,7 +5,7 @@
 int32 &TempBufferVerticesStored = *(int32*)0x8F5F78;
 int32 &TempBufferIndicesStored = *(int32*)0x8F1A4C;
 
-RwIm3DVertex *TempVertexBuffer = (RwIm3DVertex*)0x862330;
+RwIm3DVertex *TempBufferRenderVertices = (RwIm3DVertex*)0x862330;
 RwImVertexIndex *TempBufferRenderIndexList = (RwImVertexIndex*)0x846288;
 
 int RenderBuffer::VerticesToBeStored;
@@ -21,12 +21,12 @@ RenderBuffer::ClearRenderBuffer(void)
 void
 RenderBuffer::StartStoring(int numIndices, int numVertices, RwImVertexIndex **indexStart, RwIm3DVertex **vertexStart)
 {
-	if(TempBufferIndicesStored + numIndices >= 1024)
+	if(TempBufferIndicesStored + numIndices >= TEMPBUFFERINDEXSIZE)
 		RenderStuffInBuffer();
-	if(TempBufferVerticesStored + numVertices >= 256)
+	if(TempBufferVerticesStored + numVertices >= TEMPBUFFERVERTSIZE)
 		RenderStuffInBuffer();
         *indexStart = &TempBufferRenderIndexList[TempBufferIndicesStored];
-        *vertexStart = &TempVertexBuffer[TempBufferVerticesStored];
+        *vertexStart = &TempBufferRenderVertices[TempBufferVerticesStored];
         IndicesToBeStored = numIndices;
         VerticesToBeStored = numVertices;
 }
@@ -44,7 +44,7 @@ RenderBuffer::StopStoring(void)
 void
 RenderBuffer::RenderStuffInBuffer(void)
 {
-	if(TempBufferVerticesStored && RwIm3DTransform(TempVertexBuffer, TempBufferVerticesStored, nil, rwIM3D_VERTEXUV)){
+	if(TempBufferVerticesStored && RwIm3DTransform(TempBufferRenderVertices, TempBufferVerticesStored, nil, rwIM3D_VERTEXUV)){
 		RwIm3DRenderIndexedPrimitive(rwPRIMTYPETRILIST, TempBufferRenderIndexList, TempBufferIndicesStored);
 		RwIm3DEnd();
 	}

src/render/RenderBuffer.h

@@ -8,3 +8,11 @@ public:
 	static void StopStoring(void);
 	static void RenderStuffInBuffer(void);
 };
+
+#define TEMPBUFFERVERTSIZE 256
+#define TEMPBUFFERINDEXSIZE 1024
+
+extern int32 &TempBufferVerticesStored;
+extern int32 &TempBufferIndicesStored;
+extern RwIm3DVertex *TempBufferRenderVertices;
+extern RwImVertexIndex *TempBufferRenderIndexList;

src/render/WaterLevel.h

@@ -1,7 +1,97 @@
 #pragma once
 
+
+#define WATER_BLOCK_SIZE     LARGE_SECTOR_SIZE
+#define WATER_FINEBLOCK_SIZE HUGE_SECTOR_SIZE
+#define WATER_Z_OFFSET (1.5f)
+
+#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
+
 class CWaterLevel
 {
+	static int32       ms_nNoOfWaterLevels;
+	static float       ms_aWaterZs[48];
+	static CRect       ms_aWaterRects[48];
+	static uint8       aWaterBlockList[WATER_BLOCK_SIZE][WATER_BLOCK_SIZE];
+	static uint8       aWaterFineBlockList[WATER_FINEBLOCK_SIZE][WATER_FINEBLOCK_SIZE];
+	static bool        WavesCalculatedThisFrame;
+	static RpAtomic   *ms_pWavyAtomic;
+	static RpGeometry *apGeomArray[MAX_BOAT_WAKES];
+	static int16       nGeomUsed;
+
 public:
-	static void RenderWater(void);
+	static void    Initialise(char *pWaterDat);
+	static void    Shutdown();
+	static void    CreateWavyAtomic();
+	static void    DestroyWavyAtomic();
+	static bool    GetWaterLevel(float fX, float fY, float fZ, float *pfOutLevel, bool 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();
 };

src/vehicles/Boat.cpp

@@ -2,6 +2,17 @@
 #include "patcher.h"
 #include "Boat.h"
 
+float &fShapeLength = *(float*)0x600E78;
+float &fShapeTime   = *(float*)0x600E7C;
+float &fRangeMult   = *(float*)0x600E80; //0.6f; // 0.75f gta 3
+float &fTimeMult = *(float*)0xA0FCF4;
+
+float MAX_WAKE_LENGTH = 50.0f;
+float MIN_WAKE_INTERVAL = 1.0f;
+float WAKE_LIFETIME = 400.0f;
+
+CBoat * (&CBoat::apFrameWakeGeneratingBoats)[4] = *(CBoat * (*)[4])*(uintptr*)0x8620E0;
+
 CBoat::CBoat(int mi, uint8 owner)
 {
 	ctor(mi, owner);
@@ -9,6 +20,58 @@ CBoat::CBoat(int mi, uint8 owner)
 
 WRAPPER CBoat* CBoat::ctor(int, uint8) { EAXJMP(0x53E3E0); }
 
+
+bool CBoat::IsSectorAffectedByWake(CVector2D sector, float fSize, CBoat **apBoats)
+{
+	uint8 numVerts = 0;
+	
+	if ( apFrameWakeGeneratingBoats[0] == NULL )
+		return false;
+	
+	for ( int32 i = 0; i < 4; i++ )
+	{
+		CBoat *pBoat = apFrameWakeGeneratingBoats[i];
+		if ( !pBoat )
+			break;
+		
+		for ( int j = 0; j < pBoat->m_nNumWakePoints; j++ )
+		{
+			 float fDist = (WAKE_LIFETIME - pBoat->m_afWakePointLifeTime[j]) * fShapeTime + float(j) * fShapeLength + fSize;
+			 
+			 if ( fabs(pBoat->m_avec2dWakePoints[j].x - sector.x) < fDist
+				&& fabs(pBoat->m_avec2dWakePoints[i].y - sector.y) < fDist )
+			 {
+				 apBoats[numVerts] = pBoat;
+				 numVerts = 1; // += ?
+				 break;
+			 }
+		}
+	}
+	
+	return numVerts != 0;
+}
+
+float CBoat::IsVertexAffectedByWake(CVector vecVertex, CBoat *pBoat)
+{
+	for ( int i = 0; i < pBoat->m_nNumWakePoints; i++ )
+	{
+		float fMaxDist = (WAKE_LIFETIME - pBoat->m_afWakePointLifeTime[i]) * fShapeTime + float(i) * fShapeLength;
+		
+		float fX = pBoat->m_avec2dWakePoints[i].x - vecVertex.x;
+		float fY = pBoat->m_avec2dWakePoints[i].y - vecVertex.y;
+		
+		float fDist = fY * fY + fX * fX;
+		
+		if ( fDist < SQR(fMaxDist) )
+			return 1.0f - min(fRangeMult * sqrt(fDist / SQR(fMaxDist)) + (WAKE_LIFETIME - pBoat->m_afWakePointLifeTime[i]) * fTimeMult, 1.0f);
+	}
+
+	return 0.0f;
+}
+
+WRAPPER void CBoat::FillBoatList(void) { EAXJMP(0x542250); }
+
+
 STARTPATCHES
 InjectHook(0x53E790, &CBoat::dtor, PATCH_JUMP);
 ENDPATCHES

src/vehicles/Boat.h

@@ -6,12 +6,52 @@ class CBoat : public CVehicle
 {
 public:
 	// 0x288
-	uint8 stuff1[57];
+	float field_288;
+	float field_28C;
+	float field_290;
+	float field_294;
+	float field_298;
+	float field_29C;
+	float field_2A0;
+	float field_2A4;
+	float m_fMovingHiRotation;
+	int32 _unk0;
+	RwFrame *m_aBoatNodes[4];
+	uint8 m_nBoatFlags;
 	bool m_bIsAnchored;
-	uint8 stuff[450];
+	char _pad0[2];
+	float field_2C4;
+	int32 _unk1;
+	float field_2CC;
+	CEntity *field_2D0;
+	bool _unk2;
+	char _pad1[3];
+	float m_fAccelerate;
+	float m_fBrake;
+	float m_fSteeringLeftRight;
+	uint8 m_nPadID;
+	char _pad2[3];
+	int32 _unk3;
+	float m_fTurnForceZ;
+	CVector m_vecMoveForce;
+	float field_2FC;
+	uint16 field_300;
+	uint16 m_nNumWakePoints;
+	CVector2D m_avec2dWakePoints[32];
+	float m_afWakePointLifeTime[32];
 
 	CBoat(int, uint8);
 	CBoat* ctor(int, uint8);
 	void dtor() { this->CBoat::~CBoat(); };
+	
+	static CBoat *(&apFrameWakeGeneratingBoats)[4];
+	
+	static bool IsSectorAffectedByWake(CVector2D sector, float fSize, CBoat **apBoats);
+	static float IsVertexAffectedByWake(CVector vecVertex, CBoat *pBoat);
+	static void FillBoatList(void);
 };
 static_assert(sizeof(CBoat) == 0x484, "CBoat: error");
+
+extern float MAX_WAKE_LENGTH;
+extern float MIN_WAKE_INTERVAL;
+extern float WAKE_LIFETIME;