added CCoronas

src/Camera.cpp

@@ -69,6 +69,17 @@ CCamera::IsBoxVisible(RwV3d *box, const CMatrix *mat)
 	return true;
 }
 
+int
+CCamera::GetLookDirection(void)
+{
+	if(Cams[ActiveCam].Mode == CCam::MODE_CAMONASTRING ||
+	   Cams[ActiveCam].Mode == CCam::MODE_FIRSTPERSON ||
+	   Cams[ActiveCam].Mode == CCam::MODE_BEHINDBOAT ||
+	   Cams[ActiveCam].Mode == CCam::MODE_FOLLOWPED)
+		return Cams[ActiveCam].DirectionWasLooking;
+	return LOOKING_FORWARD;;
+}
+
 WRAPPER void CCamera::Fade(float timeout, int16 direction) { EAXJMP(0x46B3A0); }
 WRAPPER void CCamera::ProcessFade(void) { EAXJMP(0x46F080); }
 WRAPPER void CCamera::ProcessMusicFade(void) { EAXJMP(0x46F1E0); }

src/Camera.h

@@ -444,6 +444,7 @@ int     m_iModeObbeCamIsInForCar;
 	bool IsPointVisible(const CVector &center, const CMatrix *mat);
 	bool IsSphereVisible(const CVector &center, float radius, const CMatrix *mat);
 	bool IsBoxVisible(RwV3d *box, const CMatrix *mat);
+	int GetLookDirection(void);
 
 	void Fade(float timeout, int16 direction);
 	int GetScreenFadeStatus(void);

src/Timecycle.h

@@ -104,6 +104,13 @@ public:
 	static int GetSkyBottomRed(void) { return m_nCurrentSkyBottomRed; }
 	static int GetSkyBottomGreen(void) { return m_nCurrentSkyBottomGreen; }
 	static int GetSkyBottomBlue(void) { return m_nCurrentSkyBottomBlue; }
+	static int GetSunCoreRed(void) { return m_nCurrentSunCoreRed; }
+	static int GetSunCoreGreen(void) { return m_nCurrentSunCoreGreen; }
+	static int GetSunCoreBlue(void) { return m_nCurrentSunCoreBlue; }
+	static int GetSunCoronaRed(void) { return m_nCurrentSunCoronaRed; }
+	static int GetSunCoronaGreen(void) { return m_nCurrentSunCoronaGreen; }
+	static int GetSunCoronaBlue(void) { return m_nCurrentSunCoronaBlue; }
+	static float GetSunSize(void) { return m_fCurrentSunSize; }
 	static float GetFarClip(void) { return m_fCurrentFarClip; }
 	static float GetFogStart(void) { return m_fCurrentFogStart; }
 
@@ -119,4 +126,6 @@ public:
 	static int GetFogRed(void) { return m_nCurrentFogColourRed; }
 	static int GetFogGreen(void) { return m_nCurrentFogColourGreen; }
 	static int GetFogBlue(void) { return m_nCurrentFogColourBlue; }
+
+	static const CVector &GetSunPosition(void) { return m_VectorToSun[m_CurrentStoredValue]; }
 };

src/Zones.cpp

@@ -401,6 +401,9 @@ CTheZones::GetZoneInfoForTimeOfDay(const CVector *pos, CZoneInfo *info)
 		info->pedGroup = night->pedGroup;
 }
 
+// BUG: there might be a bug somewhere in there that causes
+// thresholds to become negative so CCarCtrl::ChooseModel will hang
+
 void
 CTheZones::SetZoneCarInfo(uint16 zoneid, uint8 day, int16 carDensity,
 	int16 gang0Num, int16 gang1Num, int16 gang2Num,
@@ -432,6 +435,22 @@ CTheZones::SetZoneCarInfo(uint16 zoneid, uint8 day, int16 carDensity,
 	int16 oldGang7Num = info->gangThreshold[7] - info->gangThreshold[6];
 	int16 oldGang8Num = info->gangThreshold[8] - info->gangThreshold[7];
 
+	assert(oldCar1Num >= 0);
+	assert(oldCar2Num >= 0);
+	assert(oldCar3Num >= 0);
+	assert(oldCar4Num >= 0);
+	assert(oldCar5Num >= 0);
+	assert(oldCopNum >= 0);
+	assert(oldGang0Num >= 0);
+	assert(oldGang1Num >= 0);
+	assert(oldGang2Num >= 0);
+	assert(oldGang3Num >= 0);
+	assert(oldGang4Num >= 0);
+	assert(oldGang5Num >= 0);
+	assert(oldGang6Num >= 0);
+	assert(oldGang7Num >= 0);
+	assert(oldGang8Num >= 0);
+
 	if(car0Num != -1) info->carThreshold[0] = car0Num;
 	if(car1Num != -1) info->carThreshold[1] = info->carThreshold[0] + car1Num;
 	else              info->carThreshold[1] = info->carThreshold[0] + oldCar1Num;
@@ -463,6 +482,24 @@ CTheZones::SetZoneCarInfo(uint16 zoneid, uint8 day, int16 carDensity,
 	else               info->gangThreshold[7] = info->gangThreshold[6] + oldGang7Num;
 	if(gang8Num != -1) info->gangThreshold[8] = info->gangThreshold[7] + gang8Num;
 	else               info->gangThreshold[8] = info->gangThreshold[7] + oldGang8Num;
+
+	assert(info->carDensity >= 0);
+	assert(info->carThreshold[0] >= 0);
+	assert(info->carThreshold[1] >= 0);
+	assert(info->carThreshold[2] >= 0);
+	assert(info->carThreshold[3] >= 0);
+	assert(info->carThreshold[4] >= 0);
+	assert(info->carThreshold[5] >= 0);
+	assert(info->copThreshold >= 0);
+	assert(info->gangThreshold[0] >= 0);
+	assert(info->gangThreshold[1] >= 0);
+	assert(info->gangThreshold[2] >= 0);
+	assert(info->gangThreshold[3] >= 0);
+	assert(info->gangThreshold[4] >= 0);
+	assert(info->gangThreshold[5] >= 0);
+	assert(info->gangThreshold[6] >= 0);
+	assert(info->gangThreshold[7] >= 0);
+	assert(info->gangThreshold[8] >= 0);
 }
 
 void

src/config.h

@@ -52,6 +52,7 @@ enum Config {
 	NUMHOURS = 24,
 
 	NUMANTENNAS = 8,
+	NUMCORONAS = 56
 };
 
 #define GTA3_1_1_PATCH FALSE

src/math/Vector.h

@@ -25,6 +25,7 @@ public:
 	float Magnitude(void) const { return sqrt(x*x + y*y + z*z); }
 	float MagnitudeSqr(void) const { return x*x + y*y + z*z; }
 	float Magnitude2D(void) const { return sqrt(x*x + y*y); }
+	float MagnitudeSqr2D(void) const { return x*x + y*y; }
 	void Normalise(void) {
 		float sq = MagnitudeSqr();
 		if(sq > 0.0f){

src/re3.cpp

@@ -104,8 +104,6 @@ delayedPatches10(int a, int b)
 		DebugMenuAddVarBool8("Debug", "Don't render Objects", (int8*)&gbDontRenderObjects, nil);
 		DebugMenuAddVar("Debug", "Dbg Surface", &gDbgSurf, nil, 1, 0, 34, nil);
 
-		DebugMenuAddVar("Debug", "blur type", &TheCamera.m_BlurType, nil, 1, 0, 10, nil);
-
 		DebugMenuAddCmd("Debug", "Start Credits", CCredits::Start);
 		DebugMenuAddCmd("Debug", "Stop Credits", CCredits::Stop);
 	}
@@ -113,6 +111,7 @@ delayedPatches10(int a, int b)
 	return RsEventHandler_orig(a, b);
 }
 
+
 void
 patch()
 {

src/render/Coronas.cpp

@@ -1,7 +1,52 @@
 #include "common.h"
 #include "patcher.h"
+#include "General.h"
+#include "TxdStore.h"
+#include "Camera.h"
+#include "Sprite.h"
+#include "Timer.h"
+#include "World.h"
+#include "Weather.h"
+#include "Collision.h"
+#include "TimeCycle.h"
 #include "Coronas.h"
 
+struct FlareDef
+{
+	float position;
+	float size;
+	int16 red;
+	int16 green;
+	int16 blue;
+	int16 alpha;
+	int16 texture;
+};
+
+FlareDef SunFlareDef[] = {
+	{ -0.5f, 15.0f, 50, 50, 0, 200, 1 },
+	{ -1.0f, 10.0f, 50, 20, 0, 200, 2 },
+	{ -1.5f, 15.0f, 50, 0, 0, 200, 3 },
+	{ -2.5f, 25.0f, 50, 0, 0, 200, 1 },
+	{ 0.5f, 12.5f, 40, 40, 25, 200, 1 },
+	{ 0.05f, 20.0f, 30, 22, 9, 200, 2 },
+	{ 1.3f, 7.5f, 50, 30, 9, 200, 3 },
+	{ 0.0f, 0.0f, 255, 255, 255, 255, 0 }
+};
+
+FlareDef HeadLightsFlareDef[] = {
+	{ -0.5f, 15.5, 70, 70, 70, 200, 1 },
+	{ -1.0f, 10.0, 70, 70, 70, 200, 2 },
+	{ -1.5f, 5.5f, 50, 50, 50, 200, 3 },
+	{ 0.5f, 12.0f, 50, 50, 50, 200, 1 },
+	{ 0.05f, 20.0f, 40, 40, 40, 200, 2 },
+	{ 1.3f, 8.0f, 60, 60, 60, 200, 3 },
+	{ -2.0f, 12.0f, 50, 50, 50, 200, 1 },
+	{ -2.3f, 15.0f, 40, 40, 40, 200, 2 },
+	{ -3.0f, 16.0f, 40, 40, 40, 200, 3 },
+	{ 0.0f, 0.0f, 255, 255, 255, 255, 0 }
+};
+
+
 RwTexture **gpCoronaTexture = (RwTexture**)0x5FAF44;	//[9]
 
 float &CCoronas::LightsMult = *(float*)0x5FB088;	// 1.0
@@ -9,6 +54,535 @@ float &CCoronas::SunScreenX = *(float*)0x8F4358;
 float &CCoronas::SunScreenY = *(float*)0x8F4354;
 bool &CCoronas::bSmallMoon = *(bool*)0x95CD49;
 bool &CCoronas::SunBlockedByClouds = *(bool*)0x95CD73;
+int &CCoronas::bChangeBrightnessImmediately = *(int*)0x8E2C30;
 
-WRAPPER void CCoronas::Render(void) { EAXJMP(0x4F8FB0); }
+CRegisteredCorona *CCoronas::aCoronas = (CRegisteredCorona*)0x72E518;
-WRAPPER void CCoronas::RenderReflections(void) { EAXJMP(0x4F9B40); }
+
+//WRAPPER void CCoronas::Render(void) { EAXJMP(0x4F8FB0); }
+//WRAPPER void CCoronas::RenderReflections(void) { EAXJMP(0x4F9B40); }
+
+const char aCoronaSpriteNames[][32] = {
+	"coronastar",
+	"corona",
+	"coronamoon",
+	"coronareflect",
+	"coronaheadlightline",
+	"coronahex",
+	"coronacircle",
+	"coronaringa",
+	"streek"
+};
+
+void
+CCoronas::Init(void)
+{
+	int i;
+
+	CTxdStore::PushCurrentTxd();
+	CTxdStore::SetCurrentTxd(CTxdStore::FindTxdSlot("particle"));
+
+	for(i = 0; i < 9; i++)
+		if(gpCoronaTexture[i] == nil)
+			gpCoronaTexture[i] = RwTextureRead(aCoronaSpriteNames[i], nil);
+
+	CTxdStore::PopCurrentTxd();
+
+	for(i = 0; i < NUMCORONAS; i++)
+		aCoronas[i].id = 0;
+}
+
+void
+CCoronas::Shutdown(void)
+{
+	int i;
+	for(i = 0; i < 9; i++)
+		if(gpCoronaTexture[i]){
+			RwTextureDestroy(gpCoronaTexture[i]);
+			gpCoronaTexture[i] = nil;
+		}
+}
+
+void
+CCoronas::Update(void)
+{
+	int i;
+	static int LastCamLook = 0;
+
+	LightsMult = min(LightsMult + 0.03f * CTimer::GetTimeStep(), 1.0f);
+
+	int CamLook = 0;
+	if(TheCamera.Cams[TheCamera.ActiveCam].LookingLeft) CamLook |= 1;
+	if(TheCamera.Cams[TheCamera.ActiveCam].LookingRight) CamLook |= 2;
+	if(TheCamera.Cams[TheCamera.ActiveCam].LookingBehind) CamLook |= 4;
+	// BUG?
+	if(TheCamera.GetLookDirection() == LOOKING_BEHIND) CamLook |= 8;
+
+	if(LastCamLook != CamLook)
+		bChangeBrightnessImmediately = 3;
+	else
+		bChangeBrightnessImmediately = max(bChangeBrightnessImmediately-1, 0);
+	LastCamLook = CamLook;
+
+	for(i = 0; i < NUMCORONAS; i++)
+		if(aCoronas[i].id != 0)
+			aCoronas[i].Update();
+}
+
+void
+CCoronas::RegisterCorona(uint32 id, uint8 red, uint8 green, uint8 blue, uint8 alpha,
+	const CVector &coors, float size, float drawDist, RwTexture *tex,
+	int8 flareType, uint8 reflection, uint8 LOScheck, uint8 drawStreak, float someAngle)
+{
+	int i;
+
+	if(sq(drawDist) < (TheCamera.GetPosition() - coors).MagnitudeSqr2D())
+		return;
+
+	for(i = 0; i < NUMCORONAS; i++)
+		if(aCoronas[i].id == id)
+			break;
+
+	if(i == NUMCORONAS){
+		// add a new one
+
+		// find empty slot
+		for(i = 0; i < NUMCORONAS; i++)
+			if(aCoronas[i].id == 0)
+				break;
+		if(i == NUMCORONAS)
+			return;		// no space
+
+		aCoronas[i].fadeAlpha = 0;
+		aCoronas[i].offScreen = true;
+		aCoronas[i].firstUpdate = true;
+		aCoronas[i].renderReflection = false;
+		aCoronas[i].lastLOScheck = 0;
+		aCoronas[i].sightClear = false;
+		aCoronas[i].hasValue[0] = false;
+		aCoronas[i].hasValue[1] = false;
+		aCoronas[i].hasValue[2] = false;
+		aCoronas[i].hasValue[3] = false;
+		aCoronas[i].hasValue[4] = false;
+		aCoronas[i].hasValue[5] = false;
+
+	}else{
+		// use existing one
+
+		if(aCoronas[i].fadeAlpha == 0 && alpha == 0){
+			// unregister
+			aCoronas[i].id = 0;
+			return;
+		}
+	}
+
+	aCoronas[i].id = id;
+	aCoronas[i].red = red;
+	aCoronas[i].green = green;
+	aCoronas[i].blue = blue;
+	aCoronas[i].alpha = alpha;
+	aCoronas[i].coors = coors;
+	aCoronas[i].size = size;
+	aCoronas[i].someAngle = someAngle;
+	aCoronas[i].registeredThisFrame = true;
+	aCoronas[i].drawDist = drawDist;
+	aCoronas[i].texture = tex;
+	aCoronas[i].flareType = flareType;
+	aCoronas[i].reflection = reflection;
+	aCoronas[i].LOScheck = LOScheck;
+	aCoronas[i].drawStreak = drawStreak;
+}
+
+void
+CCoronas::RegisterCorona(uint32 id, uint8 red, uint8 green, uint8 blue, uint8 alpha,
+		const CVector &coors, float size, float drawDist, uint8 type,
+		int8 flareType, uint8 reflection, uint8 LOScheck, uint8 drawStreak, float someAngle)
+{
+	RegisterCorona(id, red, green, blue, alpha, coors, size, drawDist,
+		gpCoronaTexture[type], flareType, reflection, LOScheck, drawStreak, someAngle);
+}
+
+void
+CCoronas::UpdateCoronaCoors(int id, const CVector &coors, float drawDist, float someAngle)
+{
+	int i;
+
+	if(sq(drawDist) < (TheCamera.GetPosition() - coors).MagnitudeSqr2D())
+		return;
+
+	for(i = 0; i < NUMCORONAS; i++)
+		if(aCoronas[i].id == id)
+			break;
+
+	if(i == NUMCORONAS)
+		return;
+
+	if(aCoronas[i].fadeAlpha == 0)
+		aCoronas[i].id = 0;	// faded out, remove
+	else{
+		aCoronas[i].coors = coors;
+		aCoronas[i].someAngle = someAngle;
+	}
+}
+
+static RwIm2DVertex vertexbufferX[2];
+
+// TODO? not sure streaks look quite right...
+void
+CCoronas::Render(void)
+{
+	int i, j;
+	int screenw, screenh;
+
+	screenw = RwRasterGetWidth(RwCameraGetRaster(Scene.camera));
+	screenh = RwRasterGetHeight(RwCameraGetRaster(Scene.camera));
+
+	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
+	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+
+	for(i = 0; i < NUMCORONAS; i++){
+		for(j = 5; j > 0; j--){
+			aCoronas[i].prevX[j] = aCoronas[i].prevX[j-1];
+			aCoronas[i].prevY[j] = aCoronas[i].prevY[j-1];
+			aCoronas[i].prevRed[j] = aCoronas[i].prevRed[j-1];
+			aCoronas[i].prevGreen[j] = aCoronas[i].prevGreen[j-1];
+			aCoronas[i].prevBlue[j] = aCoronas[i].prevBlue[j-1];
+			aCoronas[i].hasValue[j] = aCoronas[i].hasValue[j-1];
+		}
+		aCoronas[i].hasValue[0] = false;
+
+		if(aCoronas[i].id == 0 ||
+		   aCoronas[i].fadeAlpha == 0 && aCoronas[i].alpha == 0)
+			continue;
+
+		CVector spriteCoors;
+		float spritew, spriteh;
+		if(CSprite::CalcScreenCoors(aCoronas[i].coors, spriteCoors, &spritew, &spriteh, true)){
+			aCoronas[i].offScreen = false;
+
+			if(spriteCoors.x < 0.0f || spriteCoors.y < 0.0f ||
+			   spriteCoors.x > screenw || spriteCoors.y > screenh){
+				aCoronas[i].offScreen = true;
+				aCoronas[i].sightClear = false;
+			}else{
+				if(CTimer::GetTimeInMilliseconds() > aCoronas[i].lastLOScheck + 2000){
+					aCoronas[i].lastLOScheck = CTimer::GetTimeInMilliseconds();
+					aCoronas[i].sightClear = CWorld::GetIsLineOfSightClear(
+						aCoronas[i].coors, TheCamera.Cams[TheCamera.ActiveCam].Source,
+						true, true, false, false, false, true, false);
+				}
+			
+				// add new streak point
+				if(aCoronas[i].sightClear){
+					aCoronas[i].prevX[0] = spriteCoors.x;
+					aCoronas[i].prevY[0] = spriteCoors.y;
+					aCoronas[i].prevRed[0] = aCoronas[i].red;
+					aCoronas[i].prevGreen[0] = aCoronas[i].green;
+					aCoronas[i].prevBlue[0] = aCoronas[i].blue;
+					aCoronas[i].hasValue[0] = true;
+				}
+			
+				// if distance too big, break streak
+				if(aCoronas[i].hasValue[1]){
+					if(fabs(aCoronas[i].prevX[0] - aCoronas[i].prevX[1]) > 50.0f ||
+					   fabs(aCoronas[i].prevY[0] - aCoronas[i].prevY[1]) > 50.0f)
+						aCoronas[i].hasValue[0] = false;
+				}
+			}
+
+
+			if(aCoronas[i].fadeAlpha == 0)
+				continue;
+
+			if(spriteCoors.z < aCoronas[i].drawDist){
+				float recipz = 1.0f/spriteCoors.z;
+				float fadeDistance = aCoronas[i].drawDist / 2.0f;
+				float distanceFade = spriteCoors.z < fadeDistance ? 1.0f : 1.0f - (spriteCoors.z - fadeDistance)/fadeDistance;
+				int totalFade = aCoronas[i].fadeAlpha * distanceFade;
+
+				if(aCoronas[i].LOScheck)
+					RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE);
+				else
+					RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
+
+				// render corona itself
+				if(aCoronas[i].texture){
+					float fogscale = CWeather::Foggyness*min(spriteCoors.z, 40.0f)/40.0f + 1.0f;
+					if(CCoronas::aCoronas[i].id == SUN_CORE)
+						spriteCoors.z = 0.95f * RwCameraGetFarClipPlane(Scene.camera);
+					RwRenderStateSet(rwRENDERSTATETEXTURERASTER, RwTextureGetRaster(aCoronas[i].texture));
+					spriteCoors.z -= 1.5f;
+
+					if(aCoronas[i].texture == gpCoronaTexture[8]){
+						// what's this?
+						float f = 1.0f - aCoronas[i].someAngle*2.0f/PI;
+						float wscale = 6.0f*sq(sq(sq(f))) + 0.5f;
+						float hscale = 0.35f - (wscale - 0.5f) * 0.06f;
+						hscale = max(hscale, 0.15f);
+
+						CSprite::RenderOneXLUSprite(spriteCoors.x, spriteCoors.y, spriteCoors.z,
+							spritew * aCoronas[i].size * wscale,
+							spriteh * aCoronas[i].size * fogscale * hscale,
+							CCoronas::aCoronas[i].red / fogscale,
+							CCoronas::aCoronas[i].green / fogscale,
+							CCoronas::aCoronas[i].blue / fogscale,
+							totalFade,
+							recipz,
+							255);
+					}else{
+						CSprite::RenderOneXLUSprite_Rotate_Aspect(
+							spriteCoors.x, spriteCoors.y, spriteCoors.z,
+							spritew * aCoronas[i].size * fogscale,
+							spriteh * aCoronas[i].size * fogscale,
+							CCoronas::aCoronas[i].red / fogscale,
+							CCoronas::aCoronas[i].green / fogscale,
+							CCoronas::aCoronas[i].blue / fogscale,
+							totalFade,
+							recipz,
+							20.0f * recipz,
+							255);
+					}
+				}
+
+				// render flares
+				if(aCoronas[i].flareType != FLARE_NONE){
+					FlareDef *flare;
+
+					switch(aCoronas[i].flareType){
+					case FLARE_SUN: flare = SunFlareDef; break;
+					case FLARE_HEADLIGHTS: flare = HeadLightsFlareDef; break;
+					default: assert(0);
+					}
+
+					for(; flare->texture; flare++){
+						RwRenderStateSet(rwRENDERSTATETEXTURERASTER, RwTextureGetRaster(gpCoronaTexture[flare->texture + 4]));
+						CSprite::RenderOneXLUSprite(
+							(spriteCoors.x - (screenw/2)) * flare->position + (screenw/2),
+							(spriteCoors.y - (screenh/2)) * flare->position + (screenh/2),
+							spriteCoors.z,
+							4.0f*flare->size * spritew/spriteh,
+							4.0f*flare->size,
+							(flare->red * aCoronas[i].red)>>8,
+							(flare->green * aCoronas[i].green)>>8,
+							(flare->blue * aCoronas[i].blue)>>8,
+							(totalFade * flare->alpha)>>8,
+							recipz, 255);
+					}
+				}
+			}else{
+				aCoronas[i].offScreen = true;
+				aCoronas[i].sightClear = false;
+			}
+		}
+	}
+
+	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE);
+	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+	RwRenderStateSet(rwRENDERSTATETEXTURERASTER, nil);
+
+	// streaks
+	for(i = 0; i < NUMCORONAS; i++){
+		if(aCoronas[i].id == 0 || !aCoronas[i].drawStreak)
+			break;
+
+		for(j = 0; j < 5; j++){
+			if(!aCoronas[i].hasValue[j] || !aCoronas[i].hasValue[j+1])
+				continue;
+
+			RwIm2DVertexSetScreenX(&vertexbufferX[0], aCoronas[i].prevX[j]);
+			RwIm2DVertexSetScreenY(&vertexbufferX[0], aCoronas[i].prevY[j]);
+			RwIm2DVertexSetIntRGBA(&vertexbufferX[0], aCoronas[i].prevRed[j], aCoronas[i].prevGreen[j], aCoronas[i].prevBlue[j], 255);
+			RwIm2DVertexSetScreenX(&vertexbufferX[1], aCoronas[i].prevX[j+1]);
+			RwIm2DVertexSetScreenY(&vertexbufferX[1], aCoronas[i].prevY[j+1]);
+			RwIm2DVertexSetIntRGBA(&vertexbufferX[1], aCoronas[i].prevRed[j+1], aCoronas[i].prevGreen[j+1], aCoronas[i].prevBlue[j+1], 255);
+
+			// BUG: game doesn't do this
+			RwIm2DVertexSetScreenZ(&vertexbufferX[0], RwIm2DGetNearScreenZ());
+			RwIm2DVertexSetCameraZ(&vertexbufferX[0], RwCameraGetNearClipPlane(Scene.camera));
+			RwIm2DVertexSetRecipCameraZ(&vertexbufferX[0], 1.0f/RwCameraGetNearClipPlane(Scene.camera));
+			RwIm2DVertexSetScreenZ(&vertexbufferX[1], RwIm2DGetNearScreenZ());
+			RwIm2DVertexSetCameraZ(&vertexbufferX[1], RwCameraGetNearClipPlane(Scene.camera));
+			RwIm2DVertexSetRecipCameraZ(&vertexbufferX[1], 1.0f/RwCameraGetNearClipPlane(Scene.camera));
+
+			RwIm2DRenderLine(vertexbufferX, 2, 0, 1);
+		}
+	}
+
+	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
+	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
+}
+
+void
+CCoronas::RenderReflections(void)
+{
+	int i;
+	CColPoint point;
+	CEntity *entity;
+
+	if(CWeather::WetRoads > 0.0f){
+		RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE);
+		RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
+		RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE);
+		RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+		RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+		RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+		RwRenderStateSet(rwRENDERSTATETEXTURERASTER, RwTextureGetRaster(gpCoronaTexture[3]));
+
+		for(i = 0; i < NUMCORONAS; i++){
+			if(aCoronas[i].id == 0 ||
+			   aCoronas[i].fadeAlpha == 0 && aCoronas[i].alpha == 0)
+				continue;
+
+			// check if we want a reflection on this corona
+			if(aCoronas[i].renderReflection){
+				if(((CTimer::GetFrameCounter() + i) & 0xF) == 0 &&
+				   CWorld::ProcessVerticalLine(aCoronas[i].coors, -1000.0f, point, entity, true, false, false, false, true, false, nil))
+					aCoronas[i].heightAboveRoad = aCoronas[i].coors.z - point.point.z;
+			}else{
+				if(CWorld::ProcessVerticalLine(aCoronas[i].coors, -1000.0f, point, entity, true, false, false, false, true, false, nil)){
+					aCoronas[i].heightAboveRoad = aCoronas[i].coors.z - point.point.z;
+					aCoronas[i].renderReflection = true;
+				}
+			}
+
+			if(!aCoronas[i].renderReflection)
+				continue;
+
+			// Don't draw if reflection is too high
+			if(aCoronas[i].heightAboveRoad < 20.0){
+				// don't draw if camera is below road
+				if(CCoronas::aCoronas[i].coors.z - aCoronas[i].heightAboveRoad > TheCamera.GetPosition().z)
+					continue;
+
+				CVector coors = aCoronas[i].coors;
+				coors.z -= 2.0f*aCoronas[i].heightAboveRoad;
+
+				CVector spriteCoors;
+				float spritew, spriteh;
+				if(CSprite::CalcScreenCoors(coors, spriteCoors, &spritew, &spriteh, true)){
+					float drawDist = 0.75f * aCoronas[i].drawDist;
+					drawDist = min(drawDist, 50.0f);
+					if(spriteCoors.z < drawDist){
+						float fadeDistance = drawDist / 2.0f;
+						float distanceFade = spriteCoors.z < fadeDistance ? 1.0f : 1.0f - (spriteCoors.z - fadeDistance)/fadeDistance;
+						distanceFade = clamp(distanceFade, 0.0f, 1.0f);
+						float recipz = 1.0f/RwCameraGetNearClipPlane(Scene.camera);
+						int intensity = (20.0f - aCoronas[i].heightAboveRoad) * 230.0 * distanceFade*CWeather::WetRoads * 0.05f;
+
+						CSprite::RenderBufferedOneXLUSprite(
+							spriteCoors.x, spriteCoors.y, RwIm2DGetNearScreenZ(),
+							spritew * aCoronas[i].size * 0.75f,
+							spriteh * aCoronas[i].size * 2.0f,
+							(intensity * CCoronas::aCoronas[i].red)>>8,
+							(intensity * CCoronas::aCoronas[i].green)>>8,
+							(intensity * CCoronas::aCoronas[i].blue)>>8,
+							255,
+							recipz,
+							255);
+					}
+				}
+			}
+		}
+		CSprite::FlushSpriteBuffer();
+
+		RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+		RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+		RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
+		RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
+		RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
+	}else{
+		for(i = 0; i < NUMCORONAS; i++)
+			aCoronas[i].renderReflection = false;
+	}
+}
+
+void 
+CCoronas::DoSunAndMoon(void)
+{
+	// yeah, moon is done somewhere else....
+
+	CVector sunCoors = CTimeCycle::GetSunPosition();
+	sunCoors *= 150.0f;
+	sunCoors += TheCamera.GetPosition();
+
+	if(CTimeCycle::GetSunPosition().z > -0.2f){
+		float size = ((CGeneral::GetRandomNumber()&0xFF) * 0.005f + 10.0f) * CTimeCycle::GetSunSize();
+		RegisterCorona(SUN_CORE,
+			CTimeCycle::GetSunCoreRed(), CTimeCycle::GetSunCoreGreen(), CTimeCycle::GetSunCoreBlue(),
+			255, sunCoors, size,
+			999999.88f, TYPE_STAR, FLARE_NONE, REFLECTION_OFF, LOSCHECK_OFF, STREAK_OFF, 0.0f);
+
+		if(CTimeCycle::GetSunPosition().z > 0.0f)
+			RegisterCorona(SUN_CORONA,
+				CTimeCycle::GetSunCoronaRed(), CTimeCycle::GetSunCoronaGreen(), CTimeCycle::GetSunCoronaBlue(),
+				255, sunCoors, 25.0f * CTimeCycle::GetSunSize(),
+				999999.88f, TYPE_STAR, FLARE_SUN, REFLECTION_OFF, LOSCHECK_ON, STREAK_OFF, 0.0f);
+	}
+
+	CVector spriteCoors;
+	float spritew, spriteh;
+	if(CSprite::CalcScreenCoors(sunCoors, spriteCoors, &spritew, &spriteh, true)){
+		SunScreenX = spriteCoors.x;
+		SunScreenY = spriteCoors.y;
+	}else{
+		SunScreenX = 1000000.0f;
+		SunScreenY = 1000000.0f;
+	}
+}
+
+void
+CRegisteredCorona::Update(void)
+{
+	if(!registeredThisFrame)
+		alpha = 0;
+
+	if(LOScheck &&
+	   (CCoronas::SunBlockedByClouds && id == CCoronas::SUN_CORONA ||
+	    !CWorld::GetIsLineOfSightClear(coors, TheCamera.GetPosition(), true, false, false, false, false, false))){
+		// Corona is blocked, fade out
+		fadeAlpha = max(fadeAlpha - 15.0f*CTimer::GetTimeStep(), 0.0f);
+	}else if(offScreen){
+		// Same when off screen
+		fadeAlpha = max(fadeAlpha - 15.0f*CTimer::GetTimeStep(), 0.0f);
+	}else{
+		// Visible
+		if(alpha > fadeAlpha){
+			// fade in
+			fadeAlpha = min(fadeAlpha + 15.0f*CTimer::GetTimeStep(), alpha);
+			if(CCoronas::bChangeBrightnessImmediately)
+				fadeAlpha = alpha;
+		}else if(alpha < fadeAlpha){
+			// too visible, decrease alpha but not below alpha
+			fadeAlpha = max(fadeAlpha - 15.0f*CTimer::GetTimeStep(), alpha);
+		}
+
+		// darken scene when the sun is visible
+		if(id == CCoronas::SUN_CORONA)
+			CCoronas::LightsMult = max(CCoronas::LightsMult - CTimer::GetTimeStep()*0.06f, 0.6f);
+	}
+
+	// remove if invisible
+	if(fadeAlpha == 0 && !firstUpdate)
+		id = 0;
+	firstUpdate = false;
+	registeredThisFrame = false;
+}
+
+STARTPATCHES
+	InjectHook(0x4F9F90, CCoronas::Init, PATCH_JUMP);
+	InjectHook(0x4FA050, CCoronas::Shutdown, PATCH_JUMP);
+	InjectHook(0x4F8EC0, CCoronas::Update, PATCH_JUMP);
+	InjectHook(0x4FA0E0, (void (*)(uint32, uint8, uint8, uint8, uint8, const CVector&, float, float, RwTexture*, int8, uint8, uint8, uint8, float))CCoronas::RegisterCorona, PATCH_JUMP);
+	InjectHook(0x4FA080, (void (*)(uint32, uint8, uint8, uint8, uint8, const CVector&, float, float, uint8, int8, uint8, uint8, uint8, float))CCoronas::RegisterCorona, PATCH_JUMP);
+	InjectHook(0x4FA2D0, CCoronas::UpdateCoronaCoors, PATCH_JUMP);
+	InjectHook(0x4F8FB0, CCoronas::Render, PATCH_JUMP);
+	InjectHook(0x4F9B40, CCoronas::RenderReflections, PATCH_JUMP);
+	InjectHook(0x4FA380, CCoronas::DoSunAndMoon, PATCH_JUMP);
+
+	InjectHook(0x4F8C40, &CRegisteredCorona::Update, PATCH_JUMP);
+ENDPATCHES

src/render/Coronas.h

@@ -2,15 +2,99 @@
 
 extern RwTexture **gpCoronaTexture;	//[9]
 
+struct CRegisteredCorona
+{
+	uint32 id;
+	uint32 lastLOScheck;
+	RwTexture *texture;
+	uint8 red;
+	uint8 green;
+	uint8 blue;
+	uint8 alpha;		// alpha when fully visible
+	uint8 fadeAlpha;	// actual value used for rendering, faded
+	CVector coors;
+	float size;
+	float someAngle;
+	bool registeredThisFrame;
+	float drawDist;
+	int8 flareType;
+	int8 reflection;
+
+	uint8 LOScheck : 1;
+	uint8 offScreen : 1;
+	uint8 firstUpdate : 1;
+	uint8 drawStreak : 1;
+	uint8 sightClear : 1;
+
+	bool renderReflection;
+	float heightAboveRoad;
+
+	float prevX[6];
+	float prevY[6];
+	uint8 prevRed[6];
+	uint8 prevGreen[6];
+	uint8 prevBlue[6];
+	bool hasValue[6];
+
+	void Update(void);
+};
+static_assert(sizeof(CRegisteredCorona) == 0x80, "CRegisteredCorona: error");
+
 class CCoronas
 {
+	static CRegisteredCorona *aCoronas;	//[NUMCORONAS];
 public:
+	enum {
+		SUN_CORE = 1,
+		SUN_CORONA
+	};
+	enum {
+		TYPE_STAR,
+		TYPE_NORMAL,
+		TYPE_MOON,
+		TYPE_REFLECT,
+		TYPE_HEADLIGHT,
+		TYPE_HEX,
+		TYPE_CIRCLE,
+		TYPE_RING,
+		TYPE_STREAK,
+	};
+	enum {
+		FLARE_NONE,
+		FLARE_SUN,
+		FLARE_HEADLIGHTS
+	};
+	enum {
+		REFLECTION_OFF,
+		REFLECTION_ON,
+	};
+	enum {
+		LOSCHECK_OFF,
+		LOSCHECK_ON,
+	};
+	enum {
+		STREAK_OFF,
+		STREAK_ON,
+	};
+
 	static float &LightsMult;
 	static float &SunScreenY;
 	static float &SunScreenX;
 	static bool &bSmallMoon;
 	static bool &SunBlockedByClouds;
+	static int &bChangeBrightnessImmediately;
 
+	static void Init(void);
+	static void Shutdown(void);
+	static void Update(void);
+	static void RegisterCorona(uint32 id, uint8 red, uint8 green, uint8 blue, uint8 alpha,
+		const CVector &coors, float size, float drawDist, RwTexture *tex,
+		int8 flareType, uint8 reflection, uint8 LOScheck, uint8 drawStreak, float someAngle);
+	static void RegisterCorona(uint32 id, uint8 red, uint8 green, uint8 blue, uint8 alpha,
+		const CVector &coors, float size, float drawDist, uint8 type,
+		int8 flareType, uint8 reflection, uint8 LOScheck, uint8 drawStreak, float someAngle);
+	static void UpdateCoronaCoors(int id, const CVector &coors, float drawDist, float someAngle);
 	static void Render(void);
 	static void RenderReflections(void);
+	static void DoSunAndMoon(void);
 };

src/render/Sprite.cpp

@@ -131,6 +131,65 @@ CSprite::RenderOneXLUSprite(float x, float y, float z, float w, float h, uint8 r
 	RwIm2DRenderPrimitive(rwPRIMTYPETRIFAN, verts, 4);
 }
 
+void
+CSprite::RenderOneXLUSprite_Rotate_Aspect(float x, float y, float z, float w, float h, uint8 r, uint8 g, uint8 b, int16 intens, float recipz, float rotation, uint8 a)
+{
+	float c = cos(DEGTORAD(rotation));
+	float s = sin(DEGTORAD(rotation));
+
+	float xs[4];
+	float ys[4];
+	float us[4];
+	float vs[4];
+	int i;
+
+	// Fade out when too near
+	// why not in buffered version?
+	if(z < 3.0f){
+		if(z < 1.5f)
+			return;
+		int f = (z - 1.5f)/1.5f * 255;
+		r = f*r >> 8;
+		g = f*g >> 8;
+		b = f*b >> 8;
+		intens = f*intens >> 8;
+	}
+
+	xs[0] = x + w*(-c-s);	us[0] = 0.0f;
+	xs[1] = x + w*(-c+s);	us[1] = 0.0f;
+	xs[2] = x + w*(+c+s);	us[2] = 1.0f;
+	xs[3] = x + w*(+c-s);	us[3] = 1.0f;
+
+	ys[0] = y + h*(-c+s);	vs[0] = 0.0f;
+	ys[1] = y + h*(+c+s);	vs[1] = 1.0f;
+	ys[2] = y + h*(+c-s);	vs[2] = 1.0f;
+	ys[3] = y + h*(-c-s);	vs[3] = 0.0f;
+
+	// No clipping, just culling
+	if(xs[0] < 0.0f && xs[1] < 0.0f && xs[2] < 0.0f && xs[3] < 0.0f) return;
+	if(ys[0] < 0.0f && ys[1] < 0.0f && ys[2] < 0.0f && ys[3] < 0.0f) return;
+	if(xs[0] > RsGlobal.maximumWidth && xs[1] > RsGlobal.maximumWidth &&
+	   xs[2] > RsGlobal.maximumWidth && xs[3] > RsGlobal.maximumWidth) return;
+	if(ys[0] > RsGlobal.maximumHeight && ys[1] > RsGlobal.maximumHeight &&
+	   ys[2] > RsGlobal.maximumHeight && ys[3] > RsGlobal.maximumHeight) return;
+
+	float screenz = m_f2DNearScreenZ +
+		(z-CDraw::GetNearClipZ())*(m_f2DFarScreenZ-m_f2DNearScreenZ)*CDraw::GetFarClipZ() /
+		((CDraw::GetFarClipZ()-CDraw::GetNearClipZ())*z);
+
+	for(i = 0; i < 4; i++){
+		RwIm2DVertexSetScreenX(&verts[i], xs[i]);
+		RwIm2DVertexSetScreenY(&verts[i], ys[i]);
+		RwIm2DVertexSetScreenZ(&verts[i], screenz);
+		RwIm2DVertexSetCameraZ(&verts[i], z);
+		RwIm2DVertexSetRecipCameraZ(&verts[i], recipz);
+		RwIm2DVertexSetIntRGBA(&verts[i], r*intens>>8, g*intens>>8, b*intens>>8, a);
+		RwIm2DVertexSetU(&verts[i], us[i], recipz);
+		RwIm2DVertexSetV(&verts[i], vs[i], recipz);
+	}
+	RwIm2DRenderPrimitive(rwPRIMTYPETRIFAN, verts, 4);
+}
+
 void
 CSprite::RenderBufferedOneXLUSprite(float x, float y, float z, float w, float h, uint8 r, uint8 g, uint8 b, int16 intens, float recipz, uint8 a)
 {
@@ -537,6 +596,7 @@ STARTPATCHES
 	InjectHook(0x51C5B0, CSprite::InitSpriteBuffer2D, PATCH_JUMP);
 	InjectHook(0x51C520, CSprite::FlushSpriteBuffer, PATCH_JUMP);
 	InjectHook(0x51C960, CSprite::RenderOneXLUSprite, PATCH_JUMP);
+	InjectHook(0x51D110, CSprite::RenderOneXLUSprite_Rotate_Aspect, PATCH_JUMP);
 	InjectHook(0x51C5D0, CSprite::RenderBufferedOneXLUSprite, PATCH_JUMP);
 	InjectHook(0x51D5B0, CSprite::RenderBufferedOneXLUSprite_Rotate_Dimension, PATCH_JUMP);
 	InjectHook(0x51CCD0, CSprite::RenderBufferedOneXLUSprite_Rotate_Aspect, PATCH_JUMP);

src/render/Sprite.h

@@ -13,6 +13,7 @@ public:
 	static void InitSpriteBuffer2D(void);
 	static void FlushSpriteBuffer(void);
 	static void RenderOneXLUSprite(float x, float y, float z, float w, float h, uint8 r, uint8 g, uint8 b, int16 intens, float recipz, uint8 a);
+	static void RenderOneXLUSprite_Rotate_Aspect(float x, float y, float z, float w, float h, uint8 r, uint8 g, uint8 b, int16 intens, float recipz, float roll, uint8 a);
 	static void RenderBufferedOneXLUSprite(float x, float y, float z, float w, float h, uint8 r, uint8 g, uint8 b, int16 intens, float recipz, uint8 a);
 	static void RenderBufferedOneXLUSprite_Rotate_Dimension(float x, float y, float z, float w, float h, uint8 r, uint8 g, uint8 b, int16 intens, float recipz, float roll, uint8 a);
 	static void RenderBufferedOneXLUSprite_Rotate_Aspect(float x, float y, float z, float w, float h, uint8 r, uint8 g, uint8 b, int16 intens, float recipz, float roll, uint8 a);