1 files changed, 430 insertions, 0 deletions

diff --git a/src/render/Clouds.cpp b/src/render/Clouds.cpp
new file mode 100644
index 00000000..64bc93e8
--- /dev/null
+++ b/src/render/Clouds.cpp
@@ -0,0 +1,430 @@
+#include "common.h"
+#include "patcher.h"
+#include "Sprite.h"
+#include "General.h"
+#include "Coronas.h"
+#include "Camera.h"
+#include "TxdStore.h"
+#include "Weather.h"
+#include "Clock.h"
+#include "Timer.h"
+#include "Timecycle.h"
+#include "Renderer.h"
+#include "Clouds.h"
+
+#define SMALLSTRIPHEIGHT 4.0f
+#define HORIZSTRIPHEIGHT 48.0f
+
+RwTexture **gpCloudTex = (RwTexture**)0x9411C0;	//[5];
+
+float &CClouds::CloudRotation = *(float*)0x8F5F40;
+uint32 &CClouds::IndividualRotation = *(uint32*)0x943078;
+
+float &CClouds::ms_cameraRoll = *(float*)0x8F29CC;
+float &CClouds::ms_horizonZ = *(float*)0x8F31C0;
+CRGBA &CClouds::ms_colourTop = *(CRGBA*)0x94143C;
+CRGBA &CClouds::ms_colourBottom = *(CRGBA*)0x8F2C38;
+
+void
+CClouds::Init(void)
+{
+	CTxdStore::PushCurrentTxd();
+	CTxdStore::SetCurrentTxd(CTxdStore::FindTxdSlot("particle"));
+	gpCloudTex[0] = RwTextureRead("cloud1", nil);
+	gpCloudTex[1] = RwTextureRead("cloud2", nil);
+	gpCloudTex[2] = RwTextureRead("cloud3", nil);
+	gpCloudTex[3] = RwTextureRead("cloudhilit", nil);
+	gpCloudTex[4] = RwTextureRead("cloudmasked", nil);
+	CTxdStore::PopCurrentTxd();
+	CloudRotation = 0.0f;
+}
+
+void
+CClouds::Update(void)
+{
+	float s = sin(TheCamera.Orientation - 0.85f);
+	CloudRotation += CWeather::Wind*s*0.0025f;
+	IndividualRotation += (CWeather::Wind*CTimer::GetTimeStep() + 0.3f) * 60.0f;
+}
+
+
+void
+CClouds::Render(void)
+{
+	int i;
+	float szx, szy;
+	RwV3d screenpos;
+	RwV3d worldpos;
+
+	CCoronas::SunBlockedByClouds = false;
+
+	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
+	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE);
+	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+	CSprite::InitSpriteBuffer();
+
+	int minute = CClock::GetHours()*60 + CClock::GetMinutes();
+	RwV3d campos = *(RwV3d*)&TheCamera.GetPosition();
+
+	float coverage = CWeather::CloudCoverage <= CWeather::Foggyness ? CWeather::Foggyness : CWeather::CloudCoverage;
+
+	// Moon
+	int moonfadeout = abs(minute - 180);	// fully visible at 3AM
+	if(moonfadeout < 180){			// fade in/out 3 hours
+		int brightness = (1.0f - coverage) * (180 - moonfadeout);
+		RwV3d pos = { 0.0f, -100.0f, 15.0f };
+		RwV3dAdd(&worldpos, &campos, &pos);
+		if(CSprite::CalcScreenCoors(worldpos, &screenpos, &szx, &szy, false)){
+			RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpCoronaTexture[2]->raster);
+			if(CCoronas::bSmallMoon){
+				szx *= 4.0f;
+				szy *= 4.0f;
+			}else{
+				szx *= 10.0f;
+				szy *= 10.0f;
+			}
+			CSprite::RenderOneXLUSprite(screenpos.x, screenpos.y, screenpos.z,
+				szx, szy, brightness, brightness, brightness, 255, 1.0f/screenpos.z, 255);
+		}
+	}
+
+	// The R* logo
+	int starintens = 0;
+	if(CClock::GetHours() < 22 && CClock::GetHours() > 5)
+		starintens = 0;
+	else if(CClock::GetHours() > 22 || CClock::GetHours() < 5)
+		starintens = 255;
+	else if(CClock::GetHours() == 22)
+		starintens = 255 * CClock::GetMinutes()/60.0f;
+	else if(CClock::GetHours() == 5)
+		starintens = 255 * (60 - CClock::GetMinutes())/60.0f;
+	if(starintens != 0){
+		// R
+		static float StarCoorsX[9] = { 0.0f, 0.05f, 0.12f, 0.5f, 0.8f, 0.6f, 0.27f, 0.55f, 0.75f };
+		static float StarCoorsY[9] = { 0.0f, 0.45f, 0.9f, 1.0f, 0.85f, 0.52f, 0.48f, 0.35f, 0.2f };
+		static float StarSizes[9] = { 1.0f, 1.4f, 0.9f, 1.0f, 0.6f, 1.5f, 1.3f, 1.0f, 0.8f };
+		int brightness = (1.0f - coverage) * starintens;
+		RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpCoronaTexture[0]->raster);
+		for(i = 0; i < 11; i++){
+			RwV3d pos = { 100.0f, 0.0f, 10.0f };
+			if(i >= 9) pos.x = -pos.x;
+			RwV3dAdd(&worldpos, &campos, &pos);
+			worldpos.y -= 90.0f*StarCoorsX[i%9];
+			worldpos.z += 80.0f*StarCoorsY[i%9];
+			if(CSprite::CalcScreenCoors(worldpos, &screenpos, &szx, &szy, false)){
+				float sz = 0.8f*StarSizes[i%9];
+				CSprite::RenderBufferedOneXLUSprite(screenpos.x, screenpos.y, screenpos.z,
+					szx*sz, szy*sz, brightness, brightness, brightness, 255, 1.0f/screenpos.z, 255);
+			}
+		}
+		CSprite::FlushSpriteBuffer();
+
+		// *
+		RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpCoronaTexture[0]->raster);
+		RwV3d pos = { 100.0f, 0.0f, 10.0f };
+		RwV3dAdd(&worldpos, &campos, &pos);
+		worldpos.y -= 90.0f;
+		if(CSprite::CalcScreenCoors(worldpos, &screenpos, &szx, &szy, false)){
+			brightness *= (CGeneral::GetRandomNumber()&127) / 640.0f + 0.5f;
+			CSprite::RenderOneXLUSprite(screenpos.x, screenpos.y, screenpos.z,
+				szx*5.0f, szy*5.0f, brightness, brightness, brightness, 255, 1.0f/screenpos.z, 255);
+		}
+	}
+
+	// Low clouds
+	static float LowCloudsX[12] = { 1.0f, 0.7f, 0.0f, -0.7f, -1.0f, -0.7f,
+		0.0f, 0.7f, 0.8f, -0.8f, 0.4f, -0.4f };
+	static float LowCloudsY[12] = { 0.0f, -0.7f, -1.0f, -0.7f, 0.0f, 0.7f,
+		1.0f, 0.7f, 0.4f, 0.4f, -0.8f, -0.8f };
+	static float LowCloudsZ[12] = { 0.0f, 1.0f, 0.5f, 0.0f, 1.0f, 0.3f,
+		0.9f, 0.4f, 1.3f, 1.4f, 1.2f, 1.7f };
+	float lowcloudintensity = 1.0f - coverage;
+	int r = CTimeCycle::GetLowCloudsRed() * lowcloudintensity;
+	int g = CTimeCycle::GetLowCloudsGreen() * lowcloudintensity;
+	int b = CTimeCycle::GetLowCloudsBlue() * lowcloudintensity;
+	for(int cloudtype = 0; cloudtype < 3; cloudtype++){
+		for(i = cloudtype; i < 12; i += 3){
+			RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpCloudTex[cloudtype]->raster);
+			RwV3d pos = { 800.0f*LowCloudsX[i], 800.0f*LowCloudsY[i], 60.0f*LowCloudsZ[i] };
+			worldpos.x = campos.x + pos.x;
+			worldpos.y = campos.y + pos.y;
+			worldpos.z = 40.0f + pos.z;
+			if(CSprite::CalcScreenCoors(worldpos, &screenpos, &szx, &szy, false))
+				CSprite::RenderBufferedOneXLUSprite_Rotate_Dimension(screenpos.x, screenpos.y, screenpos.z,
+					szx*320.0f, szy*40.0f, r, g, b, 255, 1.0f/screenpos.z, ms_cameraRoll, 255);
+		}
+		CSprite::FlushSpriteBuffer();
+	}
+
+	// Fluffy clouds
+	float rot_sin = sin(CloudRotation);
+	float rot_cos = cos(CloudRotation);
+	int fluffyalpha = 160 * (1.0f - CWeather::Foggyness);
+	if(fluffyalpha != 0){
+		static float CoorsOffsetX[37] = {
+			0.0f, 60.0f, 72.0f, 48.0f, 21.0f, 12.0f,
+			9.0f, -3.0f, -8.4f, -18.0f, -15.0f, -36.0f,
+			-40.0f, -48.0f, -60.0f, -24.0f, 100.0f, 100.0f,
+			100.0f, 100.0f, 100.0f, 100.0f, 100.0f, 100.0f,
+			100.0f, 100.0f, -30.0f, -20.0f, 10.0f, 30.0f,
+			0.0f, -100.0f, -100.0f, -100.0f, -100.0f, -100.0f, -100.0f
+		};
+		static float CoorsOffsetY[37] = {
+			100.0f, 100.0f, 100.0f, 100.0f, 100.0f, 100.0f,
+			100.0f, 100.0f, 100.0f, 100.0f, 100.0f, 100.0f,
+			100.0f, 100.0f, 100.0f, 100.0f, -30.0f, 10.0f,
+			-25.0f, -5.0f, 28.0f, -10.0f, 10.0f, 0.0f,
+			15.0f, 40.0f, -100.0f, -100.0f, -100.0f, -100.0f,
+			-100.0f, -40.0f, -20.0f, 0.0f, 10.0f, 30.0f, 35.0f
+		};
+		static float CoorsOffsetZ[37] = {
+			2.0f, 1.0f, 0.0f, 0.3f, 0.7f, 1.4f,
+			1.7f, 0.24f, 0.7f, 1.3f, 1.6f, 1.0f,
+			1.2f, 0.3f, 0.7f, 1.4f, 0.0f, 0.1f,
+			0.5f, 0.4f, 0.55f, 0.75f, 1.0f, 1.4f,
+			1.7f, 2.0f, 2.0f, 2.3f, 1.9f, 2.4f,
+			2.0f, 2.0f, 1.5f, 1.2f, 1.7f, 1.5f, 2.1f
+		};
+		static bool bCloudOnScreen[37];
+		float hilight;
+
+		RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+		RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+		RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpCloudTex[4]->raster);
+		for(i = 0; i < 37; i++){
+			RwV3d pos = { 2.0f*CoorsOffsetX[i], 2.0f*CoorsOffsetY[i], 40.0f*CoorsOffsetZ[i] + 40.0f };
+			worldpos.x = pos.x*rot_cos + pos.y*rot_sin + campos.x;
+			worldpos.y = pos.x*rot_sin - pos.y*rot_cos + campos.y;
+			worldpos.z = pos.z;
+
+			if(CSprite::CalcScreenCoors(worldpos, &screenpos, &szx, &szy, false)){
+				float sundist = sqrt(sq(screenpos.x-CCoronas::SunScreenX) + sq(screenpos.y-CCoronas::SunScreenY));
+				int tr = CTimeCycle::GetFluffyCloudsTopRed();
+				int tg = CTimeCycle::GetFluffyCloudsTopGreen();
+				int tb = CTimeCycle::GetFluffyCloudsTopBlue();
+				int br = CTimeCycle::GetFluffyCloudsBottomRed();
+				int bg = CTimeCycle::GetFluffyCloudsBottomGreen();
+				int bb = CTimeCycle::GetFluffyCloudsBottomBlue();
+				if(sundist < SCREENW/2){
+					hilight = (1.0f - coverage) * (1.0f - sundist/(SCREENW/2));
+					tr = tr*(1.0f-hilight) + 255*hilight;
+					tg = tg*(1.0f-hilight) + 190*hilight;
+					tb = tb*(1.0f-hilight) + 190*hilight;
+					br = br*(1.0f-hilight) + 255*hilight;
+					bg = bg*(1.0f-hilight) + 190*hilight;
+					bb = bb*(1.0f-hilight) + 190*hilight;
+					if(sundist < SCREENW/10)
+						CCoronas::SunBlockedByClouds = true;
+				}else
+					hilight = 0.0f;
+				CSprite::RenderBufferedOneXLUSprite_Rotate_2Colours(screenpos.x, screenpos.y, screenpos.z,
+					szx*55.0f, szy*55.0f,
+					tr, tg, tb, br, bg, bb, 0.0f, -1.0f,
+					1.0f/screenpos.z,
+					IndividualRotation/65336.0f * 2*3.14f + ms_cameraRoll,
+					fluffyalpha);
+				bCloudOnScreen[i] = true;
+			}else
+				bCloudOnScreen[i] = false;
+		}
+		CSprite::FlushSpriteBuffer();
+
+		// Highlights
+		RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+		RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+		RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpCloudTex[3]->raster);
+
+		for(i = 0; i < 37; i++){
+			RwV3d pos = { 2.0f*CoorsOffsetX[i], 2.0f*CoorsOffsetY[i], 40.0f*CoorsOffsetZ[i] + 40.0f };
+			worldpos.x = campos.x*rot_cos + campos.y*rot_sin + pos.x;
+			worldpos.y = campos.x*rot_sin + campos.y*rot_cos + pos.y;
+			worldpos.z = pos.z;
+			if(bCloudOnScreen[i] && CSprite::CalcScreenCoors(worldpos, &screenpos, &szx, &szy, false)){
+				// BUG: this is stupid....would have to do this for each cloud individually
+				if(hilight > 0.0f){
+					CSprite::RenderBufferedOneXLUSprite_Rotate_Aspect(screenpos.x, screenpos.y, screenpos.z,
+						szx*30.0f, szy*30.0f,
+						200*hilight, 0, 0, 255, 1.0f/screenpos.z,
+						1.7f - CGeneral::GetATanOfXY(screenpos.x-CCoronas::SunScreenX, screenpos.y-CCoronas::SunScreenY) + CClouds::ms_cameraRoll, 255);
+				}
+			}
+		}
+		CSprite::FlushSpriteBuffer();
+	}
+
+	// Rainbow
+	if(CWeather::Rainbow != 0.0f){
+		static uint8 BowRed[6] = { 30, 30, 30, 10, 0, 15 };
+		static uint8 BowGreen[6] = { 0, 15, 30, 30, 0, 0 };
+		static uint8 BowBlue[6] = { 0, 0, 0, 10, 30, 30 };
+		RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpCoronaTexture[0]->raster);
+		for(i = 0; i < 6; i++){
+			RwV3d pos = { i*1.5f, 100.0f, 5.0f };
+			RwV3dAdd(&worldpos, &campos, &pos);
+			if(CSprite::CalcScreenCoors(worldpos, &screenpos, &szx, &szy, false))
+				CSprite::RenderBufferedOneXLUSprite(screenpos.x, screenpos.y, screenpos.z,
+					2.0f*szx, 50.0*szy,
+					BowRed[i]*CWeather::Rainbow, BowGreen[i]*CWeather::Rainbow, BowBlue[i]*CWeather::Rainbow,
+					255, 1.0f/screenpos.z, 255);
+
+		}
+		CSprite::FlushSpriteBuffer();
+	}
+
+	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
+	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+}
+
+bool
+UseDarkBackground(void)
+{
+	return RwFrameGetLTM(RwCameraGetFrame(TheCamera.m_pRwCamera))->up.z < -0.9f ||
+		gbShowCollisionPolys;
+}
+
+void
+CClouds::RenderBackground(int16 topred, int16 topgreen, int16 topblue,
+	int16 botred, int16 botgreen, int16 botblue, int16 alpha)
+{
+	RwMatrix *mat = RwFrameGetLTM(RwCameraGetFrame(TheCamera.m_pRwCamera));
+	float c = sqrt(mat->right.x * mat->right.x + mat->right.y * mat->right.y);
+	if(c > 1.0f)
+		c = 1.0f;
+	ms_cameraRoll = acos(c);
+	if(mat->right.z < 0.0f)
+		ms_cameraRoll = -ms_cameraRoll;
+
+	if(UseDarkBackground()){
+		ms_colourTop.r = 50;
+		ms_colourTop.g = 50;
+		ms_colourTop.b = 50;
+		ms_colourTop.a = 255;
+		if(gbShowCollisionPolys){
+			if(CTimer::GetFrameCounter() & 1){
+				ms_colourTop.r = 0;
+				ms_colourTop.g = 0;
+				ms_colourTop.b = 0;
+			}else{
+				ms_colourTop.r = 255;
+				ms_colourTop.g = 255;
+				ms_colourTop.b = 255;
+			}
+		}
+		ms_colourBottom = ms_colourTop;
+		CRect r(0, 0, SCREENW, SCREENH);
+		CSprite2d::DrawRect(r, ms_colourBottom, ms_colourBottom, ms_colourTop, ms_colourTop);
+	}else{
+		ms_horizonZ = CSprite::CalcHorizonCoors();
+
+		// Draw top/bottom gradient
+		float gradheight = SCREENH/2.0f;
+		float topedge = ms_horizonZ - gradheight;
+		float botpos, toppos;
+		if(ms_horizonZ > 0.0f && topedge < SCREENH){
+			ms_colourTop.r = topred;
+			ms_colourTop.g = topgreen;
+			ms_colourTop.b = topblue;
+			ms_colourTop.a = alpha;
+			ms_colourBottom.r = botred;
+			ms_colourBottom.g = botgreen;
+			ms_colourBottom.b = botblue;
+			ms_colourBottom.a = alpha;
+
+			if(ms_horizonZ < SCREENH)
+				botpos = ms_horizonZ;
+			else{
+				float f = (ms_horizonZ - SCREENH)/gradheight;
+				ms_colourBottom.r = topred*f + (1.0f-f)*botred;
+				ms_colourBottom.g = topgreen*f + (1.0f-f)*botgreen;
+				ms_colourBottom.b = topblue*f + (1.0f-f)*botblue;
+				botpos = SCREENH;
+			}
+			if(topedge >= 0.0f)
+				toppos = topedge;
+			else{
+				float f = (0.0f - topedge)/gradheight;
+				ms_colourTop.r = botred*f + (1.0f-f)*topred;
+				ms_colourTop.g = botgreen*f + (1.0f-f)*topgreen;
+				ms_colourTop.b = botblue*f + (1.0f-f)*topblue;
+				toppos = 0.0f;
+			}
+			CSprite2d::DrawRect(CRect(0, toppos, SCREENW, botpos),
+				ms_colourBottom, ms_colourBottom, ms_colourTop, ms_colourTop);
+		}
+
+		// draw the small stripe (whatever it's supposed to be)
+		if(ms_horizonZ > -SMALLSTRIPHEIGHT && ms_horizonZ < SCREENH){
+			// Same colour as fog
+			ms_colourTop.r = (topred + 2 * botred) / 3;
+			ms_colourTop.g = (topgreen + 2 * botgreen) / 3;
+			ms_colourTop.b = (topblue + 2 * botblue) / 3;
+			CSprite2d::DrawRect(CRect(0, ms_horizonZ, SCREENW, ms_horizonZ+SMALLSTRIPHEIGHT),
+				ms_colourTop, ms_colourTop, ms_colourTop, ms_colourTop);
+		}
+
+		// Only top
+		if(topedge > 0.0f){
+			ms_colourTop.r = topred;
+			ms_colourTop.g = topgreen;
+			ms_colourTop.b = topblue;
+			ms_colourTop.a = alpha;
+			ms_colourBottom.r = topred;
+			ms_colourBottom.g = topgreen;
+			ms_colourBottom.b = topblue;
+			ms_colourBottom.a = alpha;
+
+			botpos = min(SCREENH, topedge);
+			CSprite2d::DrawRect(CRect(0, 0, SCREENW, botpos),
+				ms_colourBottom, ms_colourBottom, ms_colourTop, ms_colourTop);
+		}
+
+		// Set both to fog colour for RenderHorizon
+		ms_colourTop.r = (topred + 2 * botred) / 3;
+		ms_colourTop.g = (topgreen + 2 * botgreen) / 3;
+		ms_colourTop.b = (topblue + 2 * botblue) / 3;
+		ms_colourBottom.r = (topred + 2 * botred) / 3;
+		ms_colourBottom.g = (topgreen + 2 * botgreen) / 3;
+		ms_colourBottom.b = (topblue + 2 * botblue) / 3;
+	}
+}
+
+void
+CClouds::RenderHorizon(void)
+{
+	if(UseDarkBackground())
+		return;
+
+	ms_colourBottom.a = 230;
+	ms_colourTop.a = 80;
+
+	if(ms_horizonZ > SCREENH)
+		return;
+
+	float z1 = min(ms_horizonZ + SMALLSTRIPHEIGHT, SCREENH);
+	CSprite2d::DrawRectXLU(CRect(0, ms_horizonZ, SCREENW, z1),
+		ms_colourBottom, ms_colourBottom, ms_colourTop, ms_colourTop);
+
+	// This is just weird
+	float a = SCREENH/400.0f * HORIZSTRIPHEIGHT +
+		SCREENH/300.0f * max(TheCamera.GetPosition().z, 0.0f);
+	float b = TheCamera.GetUp().z < 0.0f ?
+		SCREENH :
+		SCREENH * fabs(TheCamera.GetRight().z);
+	float z2 = z1 + (a + b)*TheCamera.LODDistMultiplier;
+	z2 = min(z2, SCREENH);
+	CSprite2d::DrawRect(CRect(0, z1, SCREENW, z2),
+		ms_colourBottom, ms_colourBottom, ms_colourTop, ms_colourTop);
+}
+
+STARTPATCHES
+	InjectHook(0x4F6C10, CClouds::Init, PATCH_JUMP);
+	InjectHook(0x4F6CE0, CClouds::Update, PATCH_JUMP);
+	InjectHook(0x4F6D90, CClouds::Render, PATCH_JUMP);
+	InjectHook(0x4F7F00, CClouds::RenderBackground, PATCH_JUMP);
+	InjectHook(0x4F85F0, CClouds::RenderHorizon, PATCH_JUMP);
+ENDPATCHES