1 files changed, 322 insertions, 0 deletions

diff --git a/src/render/Timecycle.cpp b/src/render/Timecycle.cpp
new file mode 100644
index 00000000..af154716
--- /dev/null
+++ b/src/render/Timecycle.cpp
@@ -0,0 +1,322 @@
+#include "common.h"
+#include "patcher.h"
+#include "main.h"
+#include "Clock.h"
+#include "Weather.h"
+#include "Camera.h"
+#include "Shadows.h"
+#include "ZoneCull.h"
+#include "CutsceneMgr.h"
+#include "FileMgr.h"
+#include "Timecycle.h"
+
+int   (*CTimeCycle::m_nAmbientRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x86AF78;
+int   (*CTimeCycle::m_nAmbientGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x665308;
+int   (*CTimeCycle::m_nAmbientBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x72CF88;
+int   (*CTimeCycle::m_nDirectionalRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6FAB78;
+int   (*CTimeCycle::m_nDirectionalGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6F4528;
+int   (*CTimeCycle::m_nDirectionalBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x83CE58;
+int   (*CTimeCycle::m_nSkyTopRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x87FB90;
+int   (*CTimeCycle::m_nSkyTopGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x8460A8;
+int   (*CTimeCycle::m_nSkyTopBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x87B158;
+int   (*CTimeCycle::m_nSkyBottomRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6FA960;
+int   (*CTimeCycle::m_nSkyBottomGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x70D6A8;
+int   (*CTimeCycle::m_nSkyBottomBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x83D288;
+int   (*CTimeCycle::m_nSunCoreRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x878360;
+int   (*CTimeCycle::m_nSunCoreGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6EE088;
+int   (*CTimeCycle::m_nSunCoreBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x773A68;
+int   (*CTimeCycle::m_nSunCoronaRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x664B60;
+int   (*CTimeCycle::m_nSunCoronaGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6F01E0;
+int   (*CTimeCycle::m_nSunCoronaBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6E6340;
+float (*CTimeCycle::m_fSunSize)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x733510;
+float (*CTimeCycle::m_fSpriteSize)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x87F820;
+float (*CTimeCycle::m_fSpriteBrightness)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x6E96F0;
+short (*CTimeCycle::m_nShadowStrength)[NUMWEATHERS] = (short(*)[NUMWEATHERS])0x83CFD8;
+short (*CTimeCycle::m_nLightShadowStrength)[NUMWEATHERS] = (short(*)[NUMWEATHERS])0x72B0F8;
+short (*CTimeCycle::m_nTreeShadowStrength)[NUMWEATHERS] = (short(*)[NUMWEATHERS])0x733450;
+float (*CTimeCycle::m_fFogStart)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x8806C8;
+float (*CTimeCycle::m_fFarClip)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x8804E0;
+float (*CTimeCycle::m_fLightsOnGroundBrightness)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x83D108;
+int   (*CTimeCycle::m_nLowCloudsRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x726770;
+int   (*CTimeCycle::m_nLowCloudsGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x87BF08;
+int   (*CTimeCycle::m_nLowCloudsBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x87FA10;
+int   (*CTimeCycle::m_nFluffyCloudsTopRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x70F2B0;
+int   (*CTimeCycle::m_nFluffyCloudsTopGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x72D288;
+int   (*CTimeCycle::m_nFluffyCloudsTopBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x86B108;
+int   (*CTimeCycle::m_nFluffyCloudsBottomRed)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6E8DA8;
+int   (*CTimeCycle::m_nFluffyCloudsBottomGreen)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x715AA8;
+int   (*CTimeCycle::m_nFluffyCloudsBottomBlue)[NUMWEATHERS] = (int(*)[NUMWEATHERS])0x6EE2D0;
+float (*CTimeCycle::m_fBlurRed)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x87C7E0;
+float (*CTimeCycle::m_fBlurGreen)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x774C10;
+float (*CTimeCycle::m_fBlurBlue)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x8784E0;
+float (*CTimeCycle::m_fBlurAlpha)[NUMWEATHERS] = (float(*)[NUMWEATHERS])0x733690;
+
+float &CTimeCycle::m_fCurrentAmbientRed = *(float*)0x8F29B4;
+float &CTimeCycle::m_fCurrentAmbientGreen = *(float*)0x94144C;
+float &CTimeCycle::m_fCurrentAmbientBlue = *(float*)0x942FC0;
+float &CTimeCycle::m_fCurrentDirectionalRed = *(float*)0x8F29D8;
+float &CTimeCycle::m_fCurrentDirectionalGreen = *(float*)0x940594;
+float &CTimeCycle::m_fCurrentDirectionalBlue = *(float*)0x942FAC;
+int   &CTimeCycle::m_nCurrentSkyTopRed = *(int*)0x9403C0;
+int   &CTimeCycle::m_nCurrentSkyTopGreen = *(int*)0x943074;
+int   &CTimeCycle::m_nCurrentSkyTopBlue = *(int*)0x8F29B8;
+int   &CTimeCycle::m_nCurrentSkyBottomRed = *(int*)0x9414D0;
+int   &CTimeCycle::m_nCurrentSkyBottomGreen = *(int*)0x8F2BD0;
+int   &CTimeCycle::m_nCurrentSkyBottomBlue = *(int*)0x8F625C;
+int   &CTimeCycle::m_nCurrentSunCoreRed = *(int*)0x8F2534;
+int   &CTimeCycle::m_nCurrentSunCoreGreen = *(int*)0x8F6264;
+int   &CTimeCycle::m_nCurrentSunCoreBlue = *(int*)0x94149C;
+int   &CTimeCycle::m_nCurrentSunCoronaRed = *(int*)0x8F2C1C;
+int   &CTimeCycle::m_nCurrentSunCoronaGreen = *(int*)0x885B54;
+int   &CTimeCycle::m_nCurrentSunCoronaBlue = *(int*)0x880F60;
+float &CTimeCycle::m_fCurrentSunSize = *(float*)0x940588;
+float &CTimeCycle::m_fCurrentSpriteSize = *(float*)0x8F1AA8;
+float &CTimeCycle::m_fCurrentSpriteBrightness = *(float*)0x8F5FDC;
+int   &CTimeCycle::m_nCurrentShadowStrength = *(int*)0x95CC76;
+int   &CTimeCycle::m_nCurrentLightShadowStrength = *(int*)0x95CC66;
+int   &CTimeCycle::m_nCurrentTreeShadowStrength = *(int*)0x95CC86;
+float &CTimeCycle::m_fCurrentFogStart = *(float*)0x8F1AE0;
+float &CTimeCycle::m_fCurrentFarClip = *(float*)0x8F5FD8;
+float &CTimeCycle::m_fCurrentLightsOnGroundBrightness = *(float*)0x8F1B60;
+int   &CTimeCycle::m_nCurrentLowCloudsRed = *(int*)0x95CB54;
+int   &CTimeCycle::m_nCurrentLowCloudsGreen = *(int*)0x95CB48;
+int   &CTimeCycle::m_nCurrentLowCloudsBlue = *(int*)0x95CC1C;
+int   &CTimeCycle::m_nCurrentFluffyCloudsTopRed = *(int*)0x8F2550;
+int   &CTimeCycle::m_nCurrentFluffyCloudsTopGreen = *(int*)0x8F59CC;
+int   &CTimeCycle::m_nCurrentFluffyCloudsTopBlue = *(int*)0x941434;
+int   &CTimeCycle::m_nCurrentFluffyCloudsBottomRed = *(int*)0x8F1A38;
+int   &CTimeCycle::m_nCurrentFluffyCloudsBottomGreen = *(int*)0x8E28B8;
+int   &CTimeCycle::m_nCurrentFluffyCloudsBottomBlue = *(int*)0x8F3960;
+float &CTimeCycle::m_fCurrentBlurRed = *(float*)0x8F6000;
+float &CTimeCycle::m_fCurrentBlurGreen = *(float*)0x9405A0;
+float &CTimeCycle::m_fCurrentBlurBlue = *(float*)0x8F250C;
+float &CTimeCycle::m_fCurrentBlurAlpha = *(float*)0x940728;
+int   &CTimeCycle::m_nCurrentFogColourRed = *(int*)0x940714;
+int   &CTimeCycle::m_nCurrentFogColourGreen = *(int*)0x8E2A60;
+int   &CTimeCycle::m_nCurrentFogColourBlue = *(int*)0x8F57EC;
+
+int   &CTimeCycle::m_FogReduction = *(int*)0x880FB8;
+
+int   &CTimeCycle::m_CurrentStoredValue = *(int*)0x94057C;
+CVector *CTimeCycle::m_VectorToSun = (CVector*)0x665548;	// [16]
+float *CTimeCycle::m_fShadowFrontX = (float*)0x72CE90;
+float *CTimeCycle::m_fShadowFrontY = (float*)0x72CE50;
+float *CTimeCycle::m_fShadowSideX = (float*)0x87C708;
+float *CTimeCycle::m_fShadowSideY = (float*)0x87C6C8;
+float *CTimeCycle::m_fShadowDisplacementX = (float*)0x6F0748;
+float *CTimeCycle::m_fShadowDisplacementY = (float*)0x6F0788;
+
+
+void
+CTimeCycle::Initialise(void)
+{
+	int w, h;
+	int li, bi;
+	char line[1040];
+
+	int ambR, ambG, ambB;
+	int dirR, dirG, dirB;
+	int skyTopR, skyTopG, skyTopB;
+	int skyBotR, skyBotG, skyBotB;
+	int sunCoreR, sunCoreG, sunCoreB;
+	int sunCoronaR, sunCoronaG, sunCoronaB;
+	float sunSz, sprSz, sprBght;
+	int shad, lightShad, treeShad;
+	float farClp, fogSt, lightGnd;
+	int cloudR, cloudG, cloudB;
+	int fluffyTopR, fluffyTopG, fluffyTopB;
+	int fluffyBotR, fluffyBotG, fluffyBotB;
+	float blurR, blurG, blurB, blurA;
+
+	debug("Intialising CTimeCycle...\n");
+
+	CFileMgr::SetDir("DATA");
+	CFileMgr::LoadFile("TIMECYC.DAT", work_buff, sizeof(work_buff), "rb");
+	CFileMgr::SetDir("");
+
+	line[0] = '\0';
+	bi = 0;
+	for(w = 0; w < NUMWEATHERS; w++)
+		for(h = 0; h < NUMHOURS; h++){
+			li = 0;
+			while(work_buff[bi] == '/'){
+				while(work_buff[bi] != '\n')
+					bi++;
+				bi++;
+			}
+			while(work_buff[bi] != '\n')
+				line[li++] = work_buff[bi++];
+			line[li] = '\0';
+			bi++;
+
+			sscanf(line, "%d %d %d  %d %d %d  %d %d %d  %d %d %d "
+			             "%d %d %d  %d %d %d  %f %f %f %d %d %d %f %f %f "
+			             "%d %d %d  %d %d %d  %d %d %d  %f %f %f %f",
+				&ambR, &ambG, &ambB,
+				 &dirR, &dirG, &dirB,
+				 &skyTopR, &skyTopG, &skyTopB,
+				 &skyBotR, &skyBotG, &skyBotB,
+				&sunCoreR, &sunCoreG, &sunCoreB,
+				 &sunCoronaR, &sunCoronaG, &sunCoronaB,
+				 &sunSz, &sprSz, &sprBght,
+				 &shad, &lightShad, &treeShad,
+				 &farClp, &fogSt, &lightGnd,
+				&cloudR, &cloudG, &cloudB,
+				 &fluffyTopR, &fluffyTopG, &fluffyTopB,
+				 &fluffyBotR, &fluffyBotG, &fluffyBotB,
+				 &blurR, &blurG, &blurB, &blurA);
+
+			m_nAmbientRed[h][w] = ambR;
+			m_nAmbientGreen[h][w] = ambG;
+			m_nAmbientBlue[h][w] = ambB;
+			m_nDirectionalRed[h][w] = dirR;
+			m_nDirectionalGreen[h][w] = dirG;
+			m_nDirectionalBlue[h][w] = dirB;
+			m_nSkyTopRed[h][w] = skyTopR;
+			m_nSkyTopGreen[h][w] = skyTopG;
+			m_nSkyTopBlue[h][w] = skyTopB;
+			m_nSkyBottomRed[h][w] = skyBotR;
+			m_nSkyBottomGreen[h][w] = skyBotG;
+			m_nSkyBottomBlue[h][w] = skyBotB;
+			m_nSunCoreRed[h][w] = sunCoreR;
+			m_nSunCoreGreen[h][w] = sunCoreG;
+			m_nSunCoreBlue[h][w] = sunCoreB;
+			m_nSunCoronaRed[h][w] = sunCoronaR;
+			m_nSunCoronaGreen[h][w] = sunCoronaG;
+			m_nSunCoronaBlue[h][w] = sunCoronaB;
+			m_fSunSize[h][w] = sunSz;
+			m_fSpriteSize[h][w] = sprSz;
+			m_fSpriteBrightness[h][w] = sprBght;
+			m_nShadowStrength[h][w] = shad;
+			m_nLightShadowStrength[h][w] = lightShad;
+			m_nTreeShadowStrength[h][w] = treeShad;
+			m_fFarClip[h][w] = farClp;
+			m_fFogStart[h][w] = fogSt;
+			m_fLightsOnGroundBrightness[h][w] = lightGnd;
+			m_nLowCloudsRed[h][w] = cloudR;
+			m_nLowCloudsGreen[h][w] = cloudG;
+			m_nLowCloudsBlue[h][w] = cloudB;
+			m_nFluffyCloudsTopRed[h][w] = fluffyTopR;
+			m_nFluffyCloudsTopGreen[h][w] = fluffyTopG;
+			m_nFluffyCloudsTopBlue[h][w] = fluffyTopB;
+			m_nFluffyCloudsBottomRed[h][w] = fluffyBotR;
+			m_nFluffyCloudsBottomGreen[h][w] = fluffyBotG;
+			m_nFluffyCloudsBottomBlue[h][w] = fluffyBotB;
+			m_fBlurRed[h][w] = blurR;
+			m_fBlurGreen[h][w] = blurG;
+			m_fBlurBlue[h][w] = blurB;
+			m_fBlurAlpha[h][w] = blurA;
+		}
+
+	m_FogReduction = 0;
+
+	debug("CTimeCycle ready\n");
+}
+
+void
+CTimeCycle::Update(void)
+{
+	int h1 = CClock::GetHours();
+	int h2 = (h1+1)%24;
+	int w1 = CWeather::OldWeatherType;
+	int w2 = CWeather::NewWeatherType;
+	float timeInterp = CClock::GetMinutes()/60.0f;
+	// coefficients for a bilinear interpolation
+	float c0 = (1.0f-timeInterp) * (1.0f-CWeather::InterpolationValue);
+	float c1 = timeInterp * (1.0f-CWeather::InterpolationValue);
+	float c2 = (1.0f-timeInterp) * CWeather::InterpolationValue;
+	float c3 = timeInterp * CWeather::InterpolationValue;
+
+#define INTERP(v) v[h1][w1]*c0 + v[h2][w1]*c1 + v[h1][w2]*c2 + v[h2][w2]*c3;
+
+	m_nCurrentSkyTopRed = INTERP(m_nSkyTopRed);
+	m_nCurrentSkyTopGreen = INTERP(m_nSkyTopGreen);
+	m_nCurrentSkyTopBlue = INTERP(m_nSkyTopBlue);
+
+	m_nCurrentSkyBottomRed = INTERP(m_nSkyBottomRed);
+	m_nCurrentSkyBottomGreen = INTERP(m_nSkyBottomGreen);
+	m_nCurrentSkyBottomBlue = INTERP(m_nSkyBottomBlue);
+
+	m_fCurrentAmbientRed = INTERP(m_nAmbientRed);
+	m_fCurrentAmbientGreen = INTERP(m_nAmbientGreen);
+	m_fCurrentAmbientBlue = INTERP(m_nAmbientBlue);
+	m_fCurrentAmbientRed /= 255.0f;
+	m_fCurrentAmbientGreen /= 255.0f;
+	m_fCurrentAmbientBlue /= 255.0f;
+
+	m_fCurrentDirectionalRed = INTERP(m_nDirectionalRed);
+	m_fCurrentDirectionalGreen = INTERP(m_nDirectionalGreen);
+	m_fCurrentDirectionalBlue = INTERP(m_nDirectionalBlue);
+	m_fCurrentDirectionalRed /= 255.0f;
+	m_fCurrentDirectionalGreen /= 255.0f;
+	m_fCurrentDirectionalBlue /= 255.0f;
+
+	m_nCurrentSunCoreRed = INTERP(m_nSunCoreRed);
+	m_nCurrentSunCoreGreen = INTERP(m_nSunCoreGreen);
+	m_nCurrentSunCoreBlue = INTERP(m_nSunCoreBlue);
+
+	m_nCurrentSunCoronaRed = INTERP(m_nSunCoronaRed);
+	m_nCurrentSunCoronaGreen = INTERP(m_nSunCoronaGreen);
+	m_nCurrentSunCoronaBlue = INTERP(m_nSunCoronaBlue);
+
+	m_fCurrentSunSize = INTERP(m_fSunSize);
+	m_fCurrentSpriteSize = INTERP(m_fSpriteSize);
+	m_fCurrentSpriteBrightness = INTERP(m_fSpriteBrightness);
+	m_nCurrentShadowStrength = INTERP(m_nShadowStrength);
+	m_nCurrentLightShadowStrength = INTERP(m_nLightShadowStrength);
+	m_nCurrentTreeShadowStrength = INTERP(m_nTreeShadowStrength);
+	m_fCurrentFarClip = INTERP(m_fFarClip);
+	m_fCurrentFogStart = INTERP(m_fFogStart);
+	m_fCurrentLightsOnGroundBrightness = INTERP(m_fLightsOnGroundBrightness);
+
+	m_nCurrentLowCloudsRed = INTERP(m_nLowCloudsRed);
+	m_nCurrentLowCloudsGreen = INTERP(m_nLowCloudsGreen);
+	m_nCurrentLowCloudsBlue = INTERP(m_nLowCloudsBlue);
+
+	m_nCurrentFluffyCloudsTopRed = INTERP(m_nFluffyCloudsTopRed);
+	m_nCurrentFluffyCloudsTopGreen = INTERP(m_nFluffyCloudsTopGreen);
+	m_nCurrentFluffyCloudsTopBlue = INTERP(m_nFluffyCloudsTopBlue);
+
+	m_nCurrentFluffyCloudsBottomRed = INTERP(m_nFluffyCloudsBottomRed);
+	m_nCurrentFluffyCloudsBottomGreen = INTERP(m_nFluffyCloudsBottomGreen);
+	m_nCurrentFluffyCloudsBottomBlue = INTERP(m_nFluffyCloudsBottomBlue);
+
+	m_fCurrentBlurRed = INTERP(m_fBlurRed);
+	m_fCurrentBlurGreen = INTERP(m_fBlurGreen);
+	m_fCurrentBlurBlue = INTERP(m_fBlurBlue);
+	m_fCurrentBlurAlpha = INTERP(m_fBlurAlpha);
+
+	if(TheCamera.m_BlurType == MBLUR_NONE || TheCamera.m_BlurType == MBLUR_NORMAL)
+		TheCamera.SetMotionBlur(m_fCurrentBlurRed, m_fCurrentBlurGreen, m_fCurrentBlurBlue, m_fCurrentBlurAlpha, MBLUR_NORMAL);
+
+	if(m_FogReduction != 0)
+		m_fCurrentFarClip = max(m_fCurrentFarClip, m_FogReduction/64.0f * 650.0f);
+	m_nCurrentFogColourRed = (m_nCurrentSkyTopRed + 2*m_nCurrentSkyBottomRed) / 3;
+	m_nCurrentFogColourGreen = (m_nCurrentSkyTopGreen + 2*m_nCurrentSkyBottomGreen) / 3;
+	m_nCurrentFogColourBlue = (m_nCurrentSkyTopBlue + 2*m_nCurrentSkyBottomBlue) / 3;
+
+	m_CurrentStoredValue = (m_CurrentStoredValue+1)&0xF;
+
+	float sunAngle = 2*PI*(CClock::GetMinutes() + CClock::GetHours()*60)/(24*60);
+	CVector &sunPos = GetSunPosition();
+	sunPos.x = sinf(sunAngle);
+	sunPos.y = 1.0f;
+	sunPos.z = 0.2f - cosf(sunAngle);
+	sunPos.Normalise();
+
+	CShadows::CalcPedShadowValues(sunPos, 
+		&m_fShadowFrontX[m_CurrentStoredValue], &m_fShadowFrontY[m_CurrentStoredValue],
+		&m_fShadowSideX[m_CurrentStoredValue], &m_fShadowSideY[m_CurrentStoredValue],
+		&m_fShadowDisplacementX[m_CurrentStoredValue], &m_fShadowDisplacementY[m_CurrentStoredValue]);
+
+	if(TheCamera.GetForward().z < -0.9f ||
+	   !CWeather::bScriptsForceRain && (CCullZones::PlayerNoRain() || CCullZones::CamNoRain() || CCutsceneMgr::IsRunning()))
+		m_FogReduction = min(m_FogReduction+1, 64);
+	else
+		m_FogReduction = max(m_FogReduction-1, 0);
+}
+
+STARTPATCHES
+	InjectHook(0x4ABAE0, CTimeCycle::Initialise, PATCH_JUMP);
+	InjectHook(0x4ABF40, CTimeCycle::Update, PATCH_JUMP);
+ENDPATCHES