1 files changed, 779 insertions, 0 deletions

diff --git a/src/renderer/Coronas.cpp b/src/renderer/Coronas.cpp
new file mode 100644
index 00000000..e9f9e662
--- /dev/null
+++ b/src/renderer/Coronas.cpp
@@ -0,0 +1,779 @@
+#include "common.h"
+
+#include "main.h"
+#include "General.h"
+#include "Entity.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"
+#include "PointLights.h"
+#include "Shadows.h"
+#include "Clock.h"
+#include "Bridge.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[9] = { nil, nil, nil, nil, nil, nil, nil, nil, nil };
+
+float CCoronas::LightsMult = 1.0f;
+float CCoronas::SunScreenX;
+float CCoronas::SunScreenY;
+bool CCoronas::bSmallMoon;
+bool CCoronas::SunBlockedByClouds;
+int CCoronas::bChangeBrightnessImmediately;
+
+CRegisteredCorona CCoronas::aCoronas[NUMCORONAS];
+
+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(uint32 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];
+
+void
+CCoronas::Render(void)
+{
+	int i, j;
+	int screenw, screenh;
+
+	PUSH_RENDERGROUP("CCoronas::Render");
+
+	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 = true;
+			aCoronas[i].sightClear = false;
+		}else{
+			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(Abs(aCoronas[i].prevX[0] - aCoronas[i].prevX[1]) > 50.0f ||
+					   Abs(aCoronas[i].prevY[0] - aCoronas[i].prevY[1]) > 50.0f)
+						aCoronas[i].hasValue[0] = false;
+				}
+			}
+
+
+			if(aCoronas[i].fadeAlpha && 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);
+					}
+				}
+			}
+		}
+	}
+
+	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)
+			continue;
+
+		for(j = 0; j < 5; j++){
+			if(!aCoronas[i].hasValue[j] || !aCoronas[i].hasValue[j+1])
+				continue;
+
+			int alpha1 = (float)(6 - j) / 6 * 128;
+			int alpha2 = (float)(6 - (j+1)) / 6 * 128;
+
+			RwIm2DVertexSetScreenX(&vertexbufferX[0], aCoronas[i].prevX[j]);
+			RwIm2DVertexSetScreenY(&vertexbufferX[0], aCoronas[i].prevY[j]);
+			RwIm2DVertexSetIntRGBA(&vertexbufferX[0], aCoronas[i].prevRed[j] * alpha1 / 256, aCoronas[i].prevGreen[j] * alpha1 / 256, aCoronas[i].prevBlue[j] * alpha1 / 256, 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] * alpha2 / 256, aCoronas[i].prevGreen[j+1] * alpha2 / 256, aCoronas[i].prevBlue[j+1] * alpha2 / 256, 255);
+
+#ifdef FIX_BUGS
+			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));
+#endif
+
+			RwIm2DRenderLine(vertexbufferX, 2, 0, 1);
+		}
+	}
+
+	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
+	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
+
+	POP_RENDERGROUP();
+}
+
+void
+CCoronas::RenderReflections(void)
+{
+	int i;
+	CColPoint point;
+	CEntity *entity;
+
+	if(CWeather::WetRoads > 0.0f){
+		PUSH_RENDERGROUP("CCoronas::RenderReflections");
+
+#ifdef FIX_BUGS
+		CSprite::InitSpriteBuffer();
+#endif
+
+		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 ||
+			   aCoronas[i].reflection == 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;
+				}
+			}
+
+			// Don't draw if reflection is too high
+			if(aCoronas[i].renderReflection && aCoronas[i].heightAboveRoad < 20.0f){
+				// 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, 55.0f);
+					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);
+						float heightFade = (20.0f - aCoronas[i].heightAboveRoad)/20.0f;
+						int intensity = distanceFade*heightFade * 230.0 * CWeather::WetRoads;
+
+						CSprite::RenderBufferedOneXLUSprite(
+#ifdef FIX_BUGS
+							spriteCoors.x, spriteCoors.y, spriteCoors.z,
+#else
+							spriteCoors.x, spriteCoors.y, RwIm2DGetNearScreenZ(),
+#endif
+							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);
+
+		POP_RENDERGROUP();
+	}else{
+		for(i = 0; i < NUMCORONAS; i++)
+			aCoronas[i].renderReflection = false;
+	}
+}
+
+void 
+CCoronas::DoSunAndMoon(void)
+{
+	// yeah, moon is done somewhere else....
+
+	CVector sunCoors = CTimeCycle::GetSunDirection();
+	sunCoors *= 150.0f;
+	sunCoors += TheCamera.GetPosition();
+
+	if(CTimeCycle::GetSunDirection().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::GetSunDirection().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;
+}
+
+void
+CEntity::ProcessLightsForEntity(void)
+{
+	int i, n;
+	C2dEffect *effect;
+	CVector pos;
+	bool lightOn, lightFlickering;
+	uint32 flashTimer1, flashTimer2, flashTimer3;
+
+	if(bRenderDamaged || !bIsVisible || GetUp().z < 0.96f)
+		return;
+
+	flashTimer1 = 0;
+	flashTimer2 = 0;
+	flashTimer3 = 0;
+
+	n = CModelInfo::GetModelInfo(GetModelIndex())->GetNum2dEffects();
+	for(i = 0; i < n; i++, flashTimer1 += 0x80, flashTimer2 += 0x100, flashTimer3 += 0x200){
+		effect = CModelInfo::GetModelInfo(GetModelIndex())->Get2dEffect(i);
+
+		if(effect->type != EFFECT_LIGHT)
+			continue;
+
+		pos = GetMatrix() * effect->pos;
+
+		lightOn = false;
+		lightFlickering = false;
+		switch(effect->light.lightType){
+		case LIGHT_ON:
+			lightOn = true;
+			break;
+		case LIGHT_ON_NIGHT:
+			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+				lightOn = true;
+			break;
+		case LIGHT_FLICKER:
+			if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed) & 0x60)
+				lightOn = true;
+			else
+				lightFlickering = true;
+			if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed) & 3)
+				lightOn = true;
+			break;
+		case LIGHT_FLICKER_NIGHT:
+			if(CClock::GetHours() > 18 || CClock::GetHours() < 7 || CWeather::WetRoads > 0.5f){
+				if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed) & 0x60)
+					lightOn = true;
+				else
+					lightFlickering = true;
+				if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed) & 3)
+					lightOn = true;
+			}
+			break;
+		case LIGHT_FLASH1:
+			if((CTimer::GetTimeInMilliseconds() + flashTimer1) & 0x200)
+				lightOn = true;
+			break;
+		case LIGHT_FLASH1_NIGHT:
+			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+				if((CTimer::GetTimeInMilliseconds() + flashTimer1) & 0x200)
+					lightOn = true;
+			break;
+		case LIGHT_FLASH2:
+			if((CTimer::GetTimeInMilliseconds() + flashTimer2) & 0x400)
+				lightOn = true;
+			break;
+		case LIGHT_FLASH2_NIGHT:
+			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+				if((CTimer::GetTimeInMilliseconds() + flashTimer2) & 0x400)
+					lightOn = true;
+			break;
+		case LIGHT_FLASH3:
+			if((CTimer::GetTimeInMilliseconds() + flashTimer3) & 0x800)
+				lightOn = true;
+			break;
+		case LIGHT_FLASH3_NIGHT:
+			if(CClock::GetHours() > 18 || CClock::GetHours() < 7)
+				if((CTimer::GetTimeInMilliseconds() + flashTimer3) & 0x800)
+					lightOn = true;
+			break;
+		case LIGHT_RANDOM_FLICKER:
+			if(m_randomSeed > 16)
+				lightOn = true;
+			else{
+				if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed*8) & 0x60)
+					lightOn = true;
+				else
+					lightFlickering = true;
+				if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed*8) & 3)
+					lightOn = true;
+			}
+			break;
+		case LIGHT_RANDOM_FLICKER_NIGHT:
+			if(CClock::GetHours() > 18 || CClock::GetHours() < 7){
+				if(m_randomSeed > 16)
+					lightOn = true;
+				else{
+					if((CTimer::GetTimeInMilliseconds() ^ m_randomSeed*8) & 0x60)
+						lightOn = true;
+					else
+						lightFlickering = true;
+					if((CTimer::GetTimeInMilliseconds()>>11 ^ m_randomSeed*8) & 3)
+						lightOn = true;
+				}
+			}
+			break;
+		case LIGHT_BRIDGE_FLASH1:
+			if(CBridge::ShouldLightsBeFlashing() && CTimer::GetTimeInMilliseconds() & 0x200)
+				lightOn = true;
+			break;
+		case LIGHT_BRIDGE_FLASH2:
+			if(CBridge::ShouldLightsBeFlashing() && (CTimer::GetTimeInMilliseconds() & 0x1FF) < 60)
+				lightOn = true;
+			break;
+		}
+
+		// Corona
+		if(lightOn)
+			CCoronas::RegisterCorona((uintptr)this + i,
+				effect->col.r, effect->col.g, effect->col.b, 255,
+				pos, effect->light.size, effect->light.dist,
+				effect->light.corona, effect->light.flareType, effect->light.roadReflection,
+				effect->light.flags&LIGHTFLAG_LOSCHECK, CCoronas::STREAK_OFF, 0.0f);
+		else if(lightFlickering)
+			CCoronas::RegisterCorona((uintptr)this + i,
+				0, 0, 0, 255,
+				pos, effect->light.size, effect->light.dist,
+				effect->light.corona, effect->light.flareType, effect->light.roadReflection,
+				effect->light.flags&LIGHTFLAG_LOSCHECK, CCoronas::STREAK_OFF, 0.0f);
+
+		// Pointlight
+		if(effect->light.flags & LIGHTFLAG_FOG_ALWAYS){
+			CPointLights::AddLight(CPointLights::LIGHT_FOGONLY_ALWAYS,
+				pos, CVector(0.0f, 0.0f, 0.0f),
+				effect->light.range,
+				effect->col.r/255.0f, effect->col.g/255.0f, effect->col.b/255.0f,
+				CPointLights::FOG_ALWAYS, true);
+		}else if(effect->light.flags & LIGHTFLAG_FOG_NORMAL && lightOn && effect->light.range == 0.0f){
+			CPointLights::AddLight(CPointLights::LIGHT_FOGONLY,
+				pos, CVector(0.0f, 0.0f, 0.0f),
+				effect->light.range,
+				effect->col.r/255.0f, effect->col.g/255.0f, effect->col.b/255.0f,
+				CPointLights::FOG_NORMAL, true);
+		}else if(lightOn && effect->light.range != 0.0f){
+			if(effect->col.r == 0 && effect->col.g == 0 && effect->col.b == 0){
+				CPointLights::AddLight(CPointLights::LIGHT_POINT,
+					pos, CVector(0.0f, 0.0f, 0.0f),
+					effect->light.range,
+					0.0f, 0.0f, 0.0f,
+					CPointLights::FOG_NONE, true);
+			}else{
+				CPointLights::AddLight(CPointLights::LIGHT_POINT,
+					pos, CVector(0.0f, 0.0f, 0.0f),
+					effect->light.range,
+					effect->col.r*CTimeCycle::GetSpriteBrightness()/255.0f,
+					effect->col.g*CTimeCycle::GetSpriteBrightness()/255.0f,
+					effect->col.b*CTimeCycle::GetSpriteBrightness()/255.0f,
+					// half-useless because LIGHTFLAG_FOG_ALWAYS can't be on
+					(effect->light.flags & LIGHTFLAG_FOG) >> 1,
+					true);
+			}
+		}
+
+		// Light shadow
+		if(effect->light.shadowSize != 0.0f){
+			if(lightOn){
+				CShadows::StoreStaticShadow((uintptr)this + i, SHADOWTYPE_ADDITIVE,
+					effect->light.shadow, &pos,
+					effect->light.shadowSize, 0.0f,
+					0.0f, -effect->light.shadowSize,
+					128,
+					effect->col.r*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
+					effect->col.g*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
+					effect->col.b*CTimeCycle::GetSpriteBrightness()*effect->light.shadowIntensity/255.0f,
+					15.0f, 1.0f, 40.0f, false, 0.0f);
+			}else if(lightFlickering){
+				CShadows::StoreStaticShadow((uintptr)this + i, SHADOWTYPE_ADDITIVE,
+					effect->light.shadow, &pos,
+					effect->light.shadowSize, 0.0f,
+					0.0f, -effect->light.shadowSize,
+					0, 0.0f, 0.0f, 0.0f,
+					15.0f, 1.0f, 40.0f, false, 0.0f);
+			}
+		}
+	}
+}